(TEST): update helm chart

(TEST): change helm workflow branches
2026-01-26 05:14:13 +01:00 · 2020-07-22 14:21:36 -04:00 · 2020-07-22 14:20:59 -04:00
1100 changed files with 137934 additions and 119170 deletions
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -3,6 +3,7 @@ name: Release Charts
 on:
  push:
    branches:
+      - master
      - release-*

 jobs:
@@ -11,21 +12,20 @@ jobs:
    steps:
      - name: Checkout
        uses: actions/checkout@v2
-        with:
-          fetch-depth: 0

      - name: Configure Git
        run: |
          git config user.name "$GITHUB_ACTOR"
          git config user.email "$GITHUB_ACTOR@users.noreply.github.com"

-      - name: Install Helm
-        uses: azure/setup-helm@v1
-        with:
-          version: v3.4.0
+      - name: Fetch history
+        run: git fetch --prune --unshallow
+
+      - name: Add dependency chart repos
+        run: |
+          helm repo add stable https://kubernetes-charts.storage.googleapis.com/

      - name: Run chart-releaser
-        uses: helm/chart-releaser-action@v1.1.0
+        uses: helm/chart-releaser-action@v1.0.0-rc.2
        env:
          CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
-          CR_RELEASE_NAME_TEMPLATE: "descheduler-helm-chart-{{ .Version }}"
--- a/2
+++ b/2
@@ -11,7 +11,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-FROM golang:1.15.0
+FROM golang:1.14.4

 WORKDIR /go/src/sigs.k8s.io/descheduler
 COPY . .
--- a/4
+++ b/4
@@ -15,14 +15,14 @@
 .PHONY: test

 # VERSION is currently based on the last commit
-VERSION?=$(shell git describe --tags --match "v*")
+VERSION?=$(shell git describe --tags)
 COMMIT=$(shell git rev-parse HEAD)
 BUILD=$(shell date +%FT%T%z)
 LDFLAG_LOCATION=sigs.k8s.io/descheduler/cmd/descheduler/app

 LDFLAGS=-ldflags "-X ${LDFLAG_LOCATION}.version=${VERSION} -X ${LDFLAG_LOCATION}.buildDate=${BUILD} -X ${LDFLAG_LOCATION}.gitCommit=${COMMIT}"

-GOLANGCI_VERSION := v1.30.0
+GOLANGCI_VERSION := v1.15.0
 HAS_GOLANGCI := $(shell ls _output/bin/golangci-lint)

 # REGISTRY is the container registry to push
--- a/README.md
+++ b/README.md
@@ -1,8 +1,9 @@
 [![Go Report Card](https://goreportcard.com/badge/kubernetes-sigs/descheduler)](https://goreportcard.com/report/sigs.k8s.io/descheduler)
-![Release Charts](https://github.com/kubernetes-sigs/descheduler/workflows/Release%20Charts/badge.svg)

 # Descheduler for Kubernetes

+## Introduction
+
 Scheduling in Kubernetes is the process of binding pending pods to nodes, and is performed by
 a component of Kubernetes called kube-scheduler. The scheduler's decisions, whether or where a
 pod can or can not be scheduled, are guided by its configurable policy which comprises of set of
@@ -11,43 +12,17 @@ a Kubernetes cluster at that point of time when a new pod appears for scheduling
 As Kubernetes clusters are very dynamic and their state changes over time, there may be desire
 to move already running pods to some other nodes for various reasons:

- Some nodes are under or over utilized.
- The original scheduling decision does not hold true any more, as taints or labels are added to
-  or removed from nodes, pod/node affinity requirements are not satisfied any more.
- Some nodes failed and their pods moved to other nodes.
- New nodes are added to clusters.
+* Some nodes are under or over utilized.
+* The original scheduling decision does not hold true any more, as taints or labels are added to
+or removed from nodes, pod/node affinity requirements are not satisfied any more.
+* Some nodes failed and their pods moved to other nodes.
+* New nodes are added to clusters.

 Consequently, there might be several pods scheduled on less desired nodes in a cluster.
 Descheduler, based on its policy, finds pods that can be moved and evicts them. Please
 note, in current implementation, descheduler does not schedule replacement of evicted pods
 but relies on the default scheduler for that.

-# Table of Contents
-
- [Quick Start](#quick-start)
-  - [Run As A Job](#run-as-a-job)
-  - [Run As A CronJob](#run-as-a-cronjob)
-  - [Install Using Helm](#install-using-helm)
- [User Guide](#user-guide)
- [Policy and Strategies](#policy-and-strategies)
-  - [RemoveDuplicates](#removeduplicates)
-  - [LowNodeUtilization](#lownodeutilization)
-  - [RemovePodsViolatingInterPodAntiAffinity](#removepodsviolatinginterpodantiaffinity)
-  - [RemovePodsViolatingNodeAffinity](#removepodsviolatingnodeaffinity)
-  - [RemovePodsViolatingNodeTaints](#removepodsviolatingnodetaints)
-  - [RemovePodsHavingTooManyRestarts](#removepodshavingtoomanyrestarts)
-  - [PodLifeTime](#podlifetime)
- [Filter Pods](#filter-pods)
-  - [Namespace filtering](#namespace-filtering)
-  - [Priority filtering](#priority-filtering)
- [Pod Evictions](#pod-evictions)
-  - [Pod Disruption Budget (PDB)](#pod-disruption-budget-pdb)
- [Compatibility Matrix](#compatibility-matrix)
- [Getting Involved and Contributing](#getting-involved-and-contributing)
-  - [Communicating With Contributors](#communicating-with-contributors)
- [Roadmap](#roadmap)
-  - [Code of conduct](#code-of-conduct)
-
 ## Quick Start

 The descheduler can be run as a Job or CronJob inside of a k8s cluster. It has the
@@ -71,10 +46,6 @@ kubectl create -f kubernetes/configmap.yaml
 kubectl create -f kubernetes/cronjob.yaml
 ```

-### Install Using Helm
-
-Starting with release v0.18.0 there is an official helm chart that can be used to install the descheduler. See the [helm chart README](https://github.com/kubernetes-sigs/descheduler/blob/master/charts/descheduler/README.md) for detailed instructions.
-
 ## User Guide

 See the [user guide](docs/user-guide.md) in the `/docs` directory.
@@ -87,22 +58,6 @@ Seven strategies `RemoveDuplicates`, `LowNodeUtilization`, `RemovePodsViolatingI
 are currently implemented. As part of the policy, the parameters associated with the strategies can be configured too.
 By default, all strategies are enabled.

-The policy also includes common configuration for all the strategies:
-
- `nodeSelector` - limiting the nodes which are processed
- `evictLocalStoragePods` - allowing to evict pods with local storage
- `maxNoOfPodsToEvictPerNode` - maximum number of pods evicted from each node (summed through all strategies)
-
-```
-apiVersion: "descheduler/v1alpha1"
-kind: "DeschedulerPolicy"
-nodeSelector: prod=dev
-evictLocalStoragePods: true
-maxNoOfPodsToEvictPerNode: 40
-strategies:
-  ...
-```
-
 ### RemoveDuplicates

 This strategy makes sure that there is only one pod associated with a Replica Set (RS),
@@ -166,11 +121,10 @@ strategies:
 ```

 Policy should pass the following validation checks:
-
- Only three types of resources are supported: `cpu`, `memory` and `pods`.
- `thresholds` or `targetThresholds` can not be nil and they must configure exactly the same types of resources.
- The valid range of the resource's percentage value is \[0, 100\]
- Percentage value of `thresholds` can not be greater than `targetThresholds` for the same resource.
+* Only three types of resources are supported: `cpu`, `memory` and `pods`.
+* `thresholds` or `targetThresholds` can not be nil and they must configure exactly the same types of resources.
+* The valid range of the resource's percentage value is \[0, 100\]
+* Percentage value of `thresholds` can not be greater than `targetThresholds` for the same resource.

 If any of the resource types is not specified, all its thresholds default to 100% to avoid nodes going
 from underutilized to overutilized.
@@ -231,17 +185,17 @@ strategies:
 ### RemovePodsViolatingNodeTaints

 This strategy makes sure that pods violating NoSchedule taints on nodes are removed. For example there is a
-pod "podA" with a toleration to tolerate a taint `key=value:NoSchedule` scheduled and running on the tainted
+pod "podA" with a toleration to tolerate a taint ``key=value:NoSchedule`` scheduled and running on the tainted
 node. If the node's taint is subsequently updated/removed, taint is no longer satisfied by its pods' tolerations
 and will be evicted. The policy file should look like:

-```
+````
 apiVersion: "descheduler/v1alpha1"
 kind: "DeschedulerPolicy"
 strategies:
  "RemovePodsViolatingNodeTaints":
    enabled: true
-```
+````

 ### RemovePodsHavingTooManyRestarts

@@ -264,7 +218,7 @@ strategies:
 This strategy evicts pods that are older than `.strategies.PodLifeTime.params.maxPodLifeTimeSeconds` The policy
 file should look like:

-```
+````
 apiVersion: "descheduler/v1alpha1"
 kind: "DeschedulerPolicy"
 strategies:
@@ -272,101 +226,20 @@ strategies:
     enabled: true
     params:
        maxPodLifeTimeSeconds: 86400
-```
-
-## Filter Pods
-
-### Namespace filtering
-
-Strategies like `PodLifeTime`, `RemovePodsHavingTooManyRestarts`, `RemovePodsViolatingNodeTaints`,
-`RemovePodsViolatingNodeAffinity` and `RemovePodsViolatingInterPodAntiAffinity` can specify `namespaces`
-parameter which allows to specify a list of including, resp. excluding namespaces.
-E.g.
-
-```
-apiVersion: "descheduler/v1alpha1"
-kind: "DeschedulerPolicy"
-strategies:
-  "PodLifeTime":
-     enabled: true
-     params:
-        maxPodLifeTimeSeconds: 86400
-        namespaces:
-          include:
-          - "namespace1"
-          - "namespace2"
-```
-
-In the examples `PodLifeTime` gets executed only over `namespace1` and `namespace2`.
-The similar holds for `exclude` field:
-
-```
-apiVersion: "descheduler/v1alpha1"
-kind: "DeschedulerPolicy"
-strategies:
-  "PodLifeTime":
-     enabled: true
-     params:
-        maxPodLifeTimeSeconds: 86400
-        namespaces:
-          exclude:
-          - "namespace1"
-          - "namespace2"
-```
-
-The strategy gets executed over all namespaces but `namespace1` and `namespace2`.
-
-It's not allowed to compute `include` with `exclude` field.
-
-### Priority filtering
-
-All strategies are able to configure a priority threshold, only pods under the threshold can be evicted. You can
-specify this threshold by setting `thresholdPriorityClassName`(setting the threshold to the value of the given
-priority class) or `thresholdPriority`(directly setting the threshold) parameters. By default, this threshold
-is set to the value of `system-cluster-critical` priority class.
-E.g.
-
-Setting `thresholdPriority`
-
-```
-apiVersion: "descheduler/v1alpha1"
-kind: "DeschedulerPolicy"
-strategies:
-  "PodLifeTime":
-     enabled: true
-     params:
-        maxPodLifeTimeSeconds: 86400
-        thresholdPriority: 10000
-```
-
-Setting `thresholdPriorityClassName`
-
-```
-apiVersion: "descheduler/v1alpha1"
-kind: "DeschedulerPolicy"
-strategies:
-  "PodLifeTime":
-     enabled: true
-     params:
-        maxPodLifeTimeSeconds: 86400
-        thresholdPriorityClassName: "priorityclass1"
-```
-
-Note that you can't configure both `thresholdPriority` and `thresholdPriorityClassName`, if the given priority class
-does not exist, descheduler won't create it and will throw an error.
+````

 ## Pod Evictions

 When the descheduler decides to evict pods from a node, it employs the following general mechanism:

- [Critical pods](https://kubernetes.io/docs/tasks/administer-cluster/guaranteed-scheduling-critical-addon-pods/) (with priorityClassName set to system-cluster-critical or system-node-critical) are never evicted.
- Pods (static or mirrored pods or stand alone pods) not part of an RC, RS, Deployment or Job are
-  never evicted because these pods won't be recreated.
- Pods associated with DaemonSets are never evicted.
- Pods with local storage are never evicted.
- In `LowNodeUtilization` and `RemovePodsViolatingInterPodAntiAffinity`, pods are evicted by their priority from low to high, and if they have same priority,
-  best effort pods are evicted before burstable and guaranteed pods.
- All types of pods with the annotation descheduler.alpha.kubernetes.io/evict are evicted. This
+* [Critical pods](https://kubernetes.io/docs/tasks/administer-cluster/guaranteed-scheduling-critical-addon-pods/) (with priorityClassName set to system-cluster-critical or system-node-critical) are never evicted.
+* Pods (static or mirrored pods or stand alone pods) not part of an RC, RS, Deployment or Job are
+never evicted because these pods won't be recreated.
+* Pods associated with DaemonSets are never evicted.
+* Pods with local storage are never evicted.
+* In `LowNodeUtilization` and `RemovePodsViolatingInterPodAntiAffinity`, pods are evicted by their priority from low to high, and if they have same priority,
+best effort pods are evicted before burstable and guaranteed pods.
+* All types of pods with the annotation descheduler.alpha.kubernetes.io/evict are evicted. This
  annotation is used to override checks which prevent eviction and users can select which pod is evicted.
  Users should know how and if the pod will be recreated.

@@ -378,7 +251,6 @@ Pods subject to a Pod Disruption Budget(PDB) are not evicted if descheduling vio
 are evicted by using the eviction subresource to handle PDB.

 ## Compatibility Matrix
-
 The below compatibility matrix shows the k8s client package(client-go, apimachinery, etc) versions that descheduler
 is compiled with. At this time descheduler does not have a hard dependency to a specific k8s release. However a
 particular descheduler release is only tested against the three latest k8s minor versions. For example descheduler
@@ -387,13 +259,13 @@ v0.18 should work with k8s v1.18, v1.17, and v1.16.
 Starting with descheduler release v0.18 the minor version of descheduler matches the minor version of the k8s client
 packages that it is compiled with.

-| Descheduler | Supported Kubernetes Version |
-| ----------- | ---------------------------- |
-| v0.19       | v1.19                        |
-| v0.18       | v1.18                        |
-| v0.10       | v1.17                        |
-| v0.4-v0.9   | v1.9+                        |
-| v0.1-v0.3   | v1.7-v1.8                    |
+Descheduler  | Supported Kubernetes Version
+-------------|-----------------------------
+v0.18        | v1.18
+v0.10        | v1.17
+v0.4-v0.9    | v1.9+
+v0.1-v0.3    | v1.7-v1.8
+

 ## Getting Involved and Contributing

@@ -433,11 +305,12 @@ Learn how to engage with the Kubernetes community on the [community page](http:/

 This roadmap is not in any particular order.

- Consideration of pod affinity
- Strategy to consider number of pending pods
- Integration with cluster autoscaler
- Integration with metrics providers for obtaining real load metrics
- Consideration of Kubernetes's scheduler's predicates
+* Consideration of pod affinity
+* Strategy to consider number of pending pods
+* Integration with cluster autoscaler
+* Integration with metrics providers for obtaining real load metrics
+* Consideration of Kubernetes's scheduler's predicates
+

 ### Code of conduct

--- a/charts/descheduler/Chart.yaml
+++ b/charts/descheduler/Chart.yaml
@@ -1,16 +1,16 @@
 apiVersion: v1
-name: descheduler
-version: 0.19.2
-appVersion: 0.19.0
+name: descheduler-helm-chart
+version: 0.18.999
+appVersion: 0.18.0
 description: Descheduler for Kubernetes is used to rebalance clusters by evicting pods that can potentially be scheduled on better nodes. In the current implementation, descheduler does not schedule replacement of evicted pods but relies on the default scheduler for that.
 keywords:
-  - kubernetes
-  - descheduler
-  - kube-scheduler
+- kubernetes
+- descheduler
+- kube-scheduler
 home: https://github.com/kubernetes-sigs/descheduler
 icon: https://kubernetes.io/images/favicon.png
 sources:
-  - https://github.com/kubernetes-sigs/descheduler
+- https://github.com/kubernetes-sigs/descheduler
 maintainers:
-  - name: Kubernetes SIG Scheduling
-    email: kubernetes-sig-scheduling@googlegroups.com
+- name: stevehipwell
+  email: steve.hipwell@github.com
--- a/charts/descheduler/README.md
+++ b/charts/descheduler/README.md
@@ -6,7 +6,7 @@

 ```shell
 helm repo add descheduler https://kubernetes-sigs.github.io/descheduler/
-helm install --name my-release descheduler/descheduler
+$ helm install descheduler/descheduler --name my-release
 ```

 ## Introduction
@@ -43,17 +43,17 @@ The command removes all the Kubernetes components associated with the chart and

 The following table lists the configurable parameters of the _descheduler_ chart and their default values.

-| Parameter                      | Description                                                                                                           | Default                              |
-| ------------------------------ | --------------------------------------------------------------------------------------------------------------------- | ------------------------------------ |
-| `image.repository`             | Docker repository to use                                                                                              | `k8s.gcr.io/descheduler/descheduler` |
-| `image.tag`                    | Docker tag to use                                                                                                     | `v[chart appVersion]`                |
-| `image.pullPolicy`             | Docker image pull policy                                                                                              | `IfNotPresent`                       |
-| `nameOverride`                 | String to partially override `descheduler.fullname` template (will prepend the release name)                          | `""`                                 |
-| `fullnameOverride`             | String to fully override `descheduler.fullname` template                                                              | `""`                                 |
-| `schedule`                     | The cron schedule to run the _descheduler_ job on                                                                     | `"*/2 * * * *"`                      |
-| `cmdOptions`                   | The options to pass to the _descheduler_ command                                                                      | _see values.yaml_                    |
-| `deschedulerPolicy.strategies` | The _descheduler_ strategies to apply                                                                                 | _see values.yaml_                    |
-| `priorityClassName`            | The name of the priority class to add to pods                                                                         | `system-cluster-critical`            |
-| `rbac.create`                  | If `true`, create & use RBAC resources                                                                                | `true`                               |
-| `serviceAccount.create`        | If `true`, create a service account for the cron job                                                                  | `true`                               |
-| `serviceAccount.name`          | The name of the service account to use, if not set and create is true a name is generated using the fullname template | `nil`                                |
+| Parameter                      | Description                                                                                                           | Default                                                |
+| ------------------------------ | --------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------ |
+| `image.repository`             | Docker repository to use                                                                                              | `us.gcr.io/k8s-artifacts-prod/descheduler/descheduler` |
+| `image.tag`                    | Docker tag to use                                                                                                     | `v[chart appVersion]`                                              |
+| `image.pullPolicy`             | Docker image pull policy                                                                                              | `IfNotPresent`                                         |
+| `nameOverride`                 | String to partially override `descheduler.fullname` template (will prepend the release name)                          | `""`                                                   |
+| `fullnameOverride`             | String to fully override `descheduler.fullname` template                                                              | `""`                                                   |
+| `schedule`                     | The cron schedule to run the _descheduler_ job on                                                                     | `"*/2 * * * *"`                                        |
+| `cmdOptions`                   | The options to pass to the _descheduler_ command                                                                      | _see values.yaml_                                      |
+| `deschedulerPolicy.strategies` | The _descheduler_ strategies to apply                                                                                 | _see values.yaml_                                      |
+| `priorityClassName`            | The name of the priority class to add to pods                                                                         | `system-cluster-critical`                              |
+| `rbac.create`                  | If `true`, create & use RBAC resources                                                                                | `true`                                                 |
+| `serviceAccount.create`        | If `true`, create a service account for the cron job                                                                  | `true`                                                 |
+| `serviceAccount.name`          | The name of the service account to use, if not set and create is true a name is generated using the fullname template | `nil`                                                  |
--- a/charts/descheduler/templates/clusterrole.yaml
+++ b/charts/descheduler/templates/clusterrole.yaml
@@ -18,7 +18,4 @@ rules:
 - apiGroups: [""]
  resources: ["pods/eviction"]
  verbs: ["create"]
- apiGroups: ["scheduling.k8s.io"]
-  resources: ["priorityclasses"]
-  verbs: ["get", "watch", "list"]
 {{- end -}}
--- a/charts/descheduler/values.yaml
+++ b/charts/descheduler/values.yaml
@@ -3,7 +3,7 @@
 # Declare variables to be passed into your templates.

 image:
-  repository: k8s.gcr.io/descheduler/descheduler
+  repository: us.gcr.io/k8s-artifacts-prod/descheduler/descheduler
  # Overrides the image tag whose default is the chart version
  tag: ""
  pullPolicy: IfNotPresent
--- a/cmd/descheduler/app/options/options.go
+++ b/cmd/descheduler/app/options/options.go
@@ -53,9 +53,9 @@ func (rs *DeschedulerServer) AddFlags(fs *pflag.FlagSet) {
 	fs.StringVar(&rs.PolicyConfigFile, "policy-config-file", rs.PolicyConfigFile, "File with descheduler policy configuration.")
 	fs.BoolVar(&rs.DryRun, "dry-run", rs.DryRun, "execute descheduler in dry run mode.")
 	// node-selector query causes descheduler to run only on nodes that matches the node labels in the query
-	fs.StringVar(&rs.NodeSelector, "node-selector", rs.NodeSelector, "DEPRECATED: selector (label query) to filter on, supports '=', '==', and '!='.(e.g. -l key1=value1,key2=value2)")
+	fs.StringVar(&rs.NodeSelector, "node-selector", rs.NodeSelector, "Selector (label query) to filter on, supports '=', '==', and '!='.(e.g. -l key1=value1,key2=value2)")
 	// max-no-pods-to-evict limits the maximum number of pods to be evicted per node by descheduler.
-	fs.IntVar(&rs.MaxNoOfPodsToEvictPerNode, "max-pods-to-evict-per-node", rs.MaxNoOfPodsToEvictPerNode, "DEPRECATED: limits the maximum number of pods to be evicted per node by descheduler")
+	fs.IntVar(&rs.MaxNoOfPodsToEvictPerNode, "max-pods-to-evict-per-node", rs.MaxNoOfPodsToEvictPerNode, "Limits the maximum number of pods to be evicted per node by descheduler")
 	// evict-local-storage-pods allows eviction of pods that are using local storage. This is false by default.
-	fs.BoolVar(&rs.EvictLocalStoragePods, "evict-local-storage-pods", rs.EvictLocalStoragePods, "DEPRECATED: enables evicting pods using local storage by descheduler")
+	fs.BoolVar(&rs.EvictLocalStoragePods, "evict-local-storage-pods", rs.EvictLocalStoragePods, "Enables evicting pods using local storage by descheduler")
 }
--- a/docs/contributor-guide.md
+++ b/docs/contributor-guide.md
@@ -3,10 +3,10 @@
 ## Required Tools

 - [Git](https://git-scm.com/downloads)
- [Go 1.15+](https://golang.org/dl/)
+- [Go 1.14+](https://golang.org/dl/)
 - [Docker](https://docs.docker.com/install/)
 - [kubectl](https://kubernetes.io/docs/tasks/tools/install-kubectl)
- [kind v0.9.0+](https://kind.sigs.k8s.io/)
+- [kind](https://kind.sigs.k8s.io/)

 ## Build and Run

@@ -34,10 +34,9 @@ GOOS=linux make dev-image
 kind create cluster --config hack/kind_config.yaml
 kind load docker-image <image name>
 kind get kubeconfig > /tmp/admin.conf
-export KUBECONFIG=/tmp/admin.conf
 make test-unit
 make test-e2e
 ```

 ### Miscellaneous
-See the [hack directory](https://github.com/kubernetes-sigs/descheduler/tree/master/hack) for additional tools and scripts used for developing the descheduler.
+See the [hack directory](https://github.com/kubernetes-sigs/descheduler/tree/master/hack) for additional tools and scripts used for developing the descheduler.
--- a/docs/release-guide.md
+++ b/docs/release-guide.md
@@ -7,7 +7,7 @@
 1. Make sure your repo is clean by git's standards
 2. Create a release branch `git checkout -b release-1.18` (not required for patch releases)
 3. Push the release branch to the descheuler repo and ensure branch protection is enabled (not required for patch releases)
-4. Tag the repository from the `master` branch (from the `release-1.18` branch for a patch release) and push the tag `VERSION=v0.18.0 git tag -m $VERSION $VERSION; git push origin $VERSION`
+4. Tag the repository and push the tag `VERSION=v0.18.0 git tag -m $VERSION $VERSION; git push origin $VERSION`
 5. Publish a draft release using the tag you just created
 6. Perform the [image promotion process](https://github.com/kubernetes/k8s.io/tree/master/k8s.gcr.io#image-promoter)
 7. Publish release
@@ -18,7 +18,7 @@
 1. Make sure your repo is clean by git's standards
 2. Create a release branch `git checkout -b release-1.18` (not required for patch releases)
 3. Push the release branch to the descheuler repo and ensure branch protection is enabled (not required for patch releases)
-4. Tag the repository from the `master` branch (from the `release-1.18` branch for a patch release) and push the tag `VERSION=v0.18.0 git tag -m $VERSION $VERSION; git push origin $VERSION`
+4. Tag the repository and push the tag `VERSION=v0.18.0 git tag -m $VERSION $VERSION; git push origin $VERSION`
 5. Checkout the tag you just created and make sure your repo is clean by git's standards `git checkout $VERSION`
 6. Build and push the container image to the staging registry `VERSION=$VERSION make push`
 7. Publish a draft release using the tag you just created
@@ -27,11 +27,6 @@
 10. Email `kubernetes-sig-scheduling@googlegroups.com` to announce the release

 ### Notes
-It's important to create the tag on the master branch after creating the release-* branch so that the [Helm releaser-action](#helm-chart) can work.
-It compares the changes in the action-triggering branch to the latest tag on that branch, so if you tag before creating the new branch there
-will be nothing to compare and it will fail (creating a new release branch usually involves no code changes). For this same reason, you should
-also tag patch releases (on the release-* branch) *after* pushing changes (if those changes involve bumping the Helm chart version).
-
 See [post-descheduler-push-images dashboard](https://testgrid.k8s.io/sig-scheduling#post-descheduler-push-images) for staging registry image build job status.

 View the descheduler staging registry using [this URL](https://console.cloud.google.com/gcr/images/k8s-staging-descheduler/GLOBAL/descheduler) in a web browser
@@ -58,17 +53,17 @@ docker pull gcr.io/k8s-staging-descheduler/descheduler:v20200206-0.9.0-94-ge2a23
 ```

 ## Helm Chart
-Helm chart releases are managed by a separate set of git tags that are prefixed with `descheduler-helm-chart-*`. Example git tag name is `descheduler-helm-chart-0.18.0`.
-Released versions of the helm charts are stored in the `gh-pages` branch of this repo. The [chart-releaser-action GitHub Action](https://github.com/helm/chart-releaser-action)
-is setup to build and push the helm charts to the `gh-pages` branch when changes are pushed to a `release-*` branch.
+Helm chart releases are managed by a separate set of git tags that are prefixed with `chart-*`. Example git tag name is `chart-0.18.0`. Released versions of the
+helm charts are stored in the `gh-pages` branch of this repo. The [chart-releaser-action GitHub Action](https://github.com/helm/chart-releaser-action) is setup to
+build and push the helm charts to the `gh-pages` branch when a `chart-*` git tag is created.

-The major and minor version of the chart matches the descheduler major and minor versions. For example descheduler helm chart version helm-descheduler-chart-0.18.0 corresponds
+The major and minor version of the chart matches the descheduler major and minor versions. For example descheduler helm chart version chart-0.18.0 corresponds
 to descheduler version v0.18.0. The patch version of the descheduler helm chart and the patcher version of the descheduler will not necessarily match. The patch
 version of the descheduler helm chart is used to version changes specific to the helm chart.

-1. Merge all helm chart changes into the master branch before the release is tagged/cut
+1. Merge all helm chart changes into the appropriate release branch(i.e. release-1.18)
   1. Ensure that `appVersion` in file `charts/descheduler/Chart.yaml` matches the descheduler version(no `v` prefix)
   2. Ensure that `version` in file `charts/descheduler/Chart.yaml` has been incremented. This is the chart version.
 2. Make sure your repo is clean by git's standards
-3. Follow the release-branch or patch release tagging pattern from the above section.
-4. Verify the new helm artifact has been successfully pushed to the `gh-pages` branch
+3. Create the tag and push it `git checkout release-1.18; CHART_VERSION=chart-0.18.0; git tag $CHART_VERSION; git push origin $CHART_VERSION`
+4. Verify the new helm artifact has been successfully pushed to the `gh-pages` branch
--- a/docs/user-guide.md
+++ b/docs/user-guide.md
@@ -1,7 +1,9 @@
 # User Guide

-Starting with descheduler release v0.10.0 container images are available in the official k8s container registry.
-* `k8s.gcr.io/descheduler/descheduler`
+Starting with descheduler release v0.10.0 container images are available in these container registries.
+* `asia.gcr.io/k8s-artifacts-prod/descheduler/descheduler`
+* `eu.gcr.io/k8s-artifacts-prod/descheduler/descheduler`
+* `us.gcr.io/k8s-artifacts-prod/descheduler/descheduler`

 ## Policy Configuration Examples
 The [examples](https://github.com/kubernetes-sigs/descheduler/tree/master/examples) directory has descheduler policy configuration examples.
@@ -21,11 +23,11 @@ Available Commands:
  version     Version of descheduler

 Flags:
-      --add-dir-header                   If true, adds the file directory to the header of the log messages
+      --add-dir-header                   If true, adds the file directory to the header
      --alsologtostderr                  log to standard error as well as files
      --descheduling-interval duration   Time interval between two consecutive descheduler executions. Setting this value instructs the descheduler to run in a continuous loop at the interval specified.
      --dry-run                          execute descheduler in dry run mode.
-      --evict-local-storage-pods         DEPRECATED: enables evicting pods using local storage by descheduler
+      --evict-local-storage-pods         Enables evicting pods using local storage by descheduler
  -h, --help                             help for descheduler
      --kubeconfig string                File with  kube configuration.
      --log-backtrace-at traceLocation   when logging hits line file:N, emit a stack trace (default :0)
@@ -34,8 +36,8 @@ Flags:
      --log-file-max-size uint           Defines the maximum size a log file can grow to. Unit is megabytes. If the value is 0, the maximum file size is unlimited. (default 1800)
      --log-flush-frequency duration     Maximum number of seconds between log flushes (default 5s)
      --logtostderr                      log to standard error instead of files (default true)
-      --max-pods-to-evict-per-node int   DEPRECATED: limits the maximum number of pods to be evicted per node by descheduler
-      --node-selector string             DEPRECATED: selector (label query) to filter on, supports '=', '==', and '!='.(e.g. -l key1=value1,key2=value2)
+      --max-pods-to-evict-per-node int   Limits the maximum number of pods to be evicted per node by descheduler
+      --node-selector string             Selector (label query) to filter on, supports '=', '==', and '!='.(e.g. -l key1=value1,key2=value2)
      --policy-config-file string        File with descheduler policy configuration.
      --skip-headers                     If true, avoid header prefixes in the log messages
      --skip-log-headers                 If true, avoid headers when opening log files
@@ -86,12 +88,3 @@ strategies:
    params:
      maxPodLifeTimeSeconds: 604800 # pods run for a maximum of 7 days
 ```
-
-### Autoheal Node Problems
-Descheduler's `RemovePodsViolatingNodeTaints` strategy can be combined with
-[Node Problem Detector](https://github.com/kubernetes/node-problem-detector/) and
-[Cluster Autoscaler](https://github.com/kubernetes/autoscaler/tree/master/cluster-autoscaler) to automatically remove
-Nodes which have problems. Node Problem Detector can detect specific Node problems and taint any Nodes which have those
-problems. The Descheduler will then deschedule workloads from those Nodes. Finally, if the descheduled Node's resource
-allocation falls below the Cluster Autoscaler's scale down threshold, the Node will become a scale down candidate
-and can be removed by Cluster Autoscaler. These three components form an autohealing cycle for Node problems.
--- a/go.mod
+++ b/go.mod
@@ -1,15 +1,15 @@
 module sigs.k8s.io/descheduler

-go 1.15
+go 1.14

 require (
 	github.com/spf13/cobra v0.0.5
 	github.com/spf13/pflag v1.0.5
-	k8s.io/api v0.19.0
-	k8s.io/apimachinery v0.19.0
-	k8s.io/apiserver v0.19.0
-	k8s.io/client-go v0.19.0
-	k8s.io/code-generator v0.19.0
-	k8s.io/component-base v0.19.0
-	k8s.io/klog/v2 v2.2.0
+	k8s.io/api v0.18.4
+	k8s.io/apimachinery v0.18.4
+	k8s.io/apiserver v0.18.4
+	k8s.io/client-go v0.18.4
+	k8s.io/code-generator v0.18.4
+	k8s.io/component-base v0.18.4
+	k8s.io/klog/v2 v2.0.0
 )
--- a/go.sum
+++ b/go.sum
@@ -2,41 +2,21 @@ cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMT
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.38.0 h1:ROfEUZz+Gh5pa62DJWXSaonyu3StP6EA6lPEXPI6mCo=
 cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
-cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
-cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
-cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
-cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
-cloud.google.com/go v0.51.0 h1:PvKAVQWCtlGUSlZkGW3QLelKaWq7KYv/MW1EboG8bfM=
-cloud.google.com/go v0.51.0/go.mod h1:hWtGJ6gnXH+KgDv+V0zFGDvpi07n3z8ZNj3T1RW0Gcw=
-cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
-cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
-cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
-cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
-dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78/go.mod h1:LmzpDX56iTiv29bbRTIsUNlaFfuhWRQBWjQdVyAevI8=
 github.com/Azure/go-autorest/autorest v0.9.0 h1:MRvx8gncNaXJqOoLmhNjUAKh33JJF8LyxPhomEtOsjs=
 github.com/Azure/go-autorest/autorest v0.9.0/go.mod h1:xyHB1BMZT0cuDHU7I0+g046+BFDTQ8rEZB0s4Yfa6bI=
-github.com/Azure/go-autorest/autorest v0.9.6 h1:5YWtOnckcudzIw8lPPBcWOnmIFWMtHci1ZWAZulMSx0=
-github.com/Azure/go-autorest/autorest v0.9.6/go.mod h1:/FALq9T/kS7b5J5qsQ+RSTUdAmGFqi0vUdVNNx8q630=
 github.com/Azure/go-autorest/autorest/adal v0.5.0 h1:q2gDruN08/guU9vAjuPWff0+QIrpH6ediguzdAzXAUU=
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-github.com/Azure/go-autorest/autorest/date v0.2.0 h1:yW+Zlqf26583pE43KhfnhFcdmSWlm5Ew6bxipnr/tbM=
-github.com/Azure/go-autorest/autorest/date v0.2.0/go.mod h1:vcORJHLJEh643/Ioh9+vPmf1Ij9AEBM5FuBIXLmIy0g=
 github.com/Azure/go-autorest/autorest/mocks v0.1.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
 github.com/Azure/go-autorest/autorest/mocks v0.2.0 h1:Ww5g4zThfD/6cLb4z6xxgeyDa7QDkizMkJKe0ysZXp0=
 github.com/Azure/go-autorest/autorest/mocks v0.2.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
-github.com/Azure/go-autorest/autorest/mocks v0.3.0 h1:qJumjCaCudz+OcqE9/XtEPfvtOjOmKaui4EOpFI6zZc=
-github.com/Azure/go-autorest/autorest/mocks v0.3.0/go.mod h1:a8FDP3DYzQ4RYfVAxAN3SVSiiO77gL2j2ronKKP0syM=
 github.com/Azure/go-autorest/logger v0.1.0 h1:ruG4BSDXONFRrZZJ2GUXDiUyVpayPmb1GnWeHDdaNKY=
 github.com/Azure/go-autorest/logger v0.1.0/go.mod h1:oExouG+K6PryycPJfVSxi/koC6LSNgds39diKLz7Vrc=
 github.com/Azure/go-autorest/tracing v0.5.0 h1:TRn4WjSnkcSy5AEG3pnbtFSwNtwzjr4VYyQflFE619k=
 github.com/Azure/go-autorest/tracing v0.5.0/go.mod h1:r/s2XiOKccPW3HrqB+W0TQzfbtp2fGCgRFtBroKn4Dk=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
 github.com/PuerkitoBio/purell v1.0.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
 github.com/PuerkitoBio/purell v1.1.1 h1:WEQqlqaGbrPkxLJWfBwQmfEAE1Z7ONdDLqrN38tNFfI=
@@ -45,20 +25,13 @@ github.com/PuerkitoBio/urlesc v0.0.0-20160726150825-5bd2802263f2/go.mod h1:uGdko
 github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 h1:d+Bc7a5rLufV/sSk/8dngufqelfh6jnri85riMAaF/M=
 github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
-github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
-github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
-github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
 github.com/blang/semver v3.5.0+incompatible/go.mod h1:kRBLl5iJ+tD4TcOOxsy/0fnwebNt5EWlYSAyrTnjyyk=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
-github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
-github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
-github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa/go.mod h1:zn76sxSg3SzpJ0PPJaLDCu+Bu0Lg3sKTORVIj19EIF8=
 github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
@@ -69,7 +42,7 @@ github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3Ee
 github.com/coreos/go-systemd v0.0.0-20180511133405-39ca1b05acc7/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/coreos/pkg v0.0.0-20160727233714-3ac0863d7acf/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
-github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
+github.com/coreos/pkg v0.0.0-20180108230652-97fdf19511ea/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
 github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE=
 github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -77,8 +50,8 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumCAMpl/TFQ4/5kLM=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
+github.com/docker/docker v0.7.3-0.20190327010347-be7ac8be2ae0/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
 github.com/docker/spdystream v0.0.0-20160310174837-449fdfce4d96/go.mod h1:Qh8CwZgvJUkLughtfhJv5dyTYa91l1fOUCrgjqmcifM=
-github.com/docopt/docopt-go v0.0.0-20180111231733-ee0de3bc6815/go.mod h1:WwZ+bS3ebgob9U8Nd0kOddGdZWjyMGR8Wziv+TBNwSE=
 github.com/dustin/go-humanize v0.0.0-20171111073723-bb3d318650d4/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
 github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
 github.com/elazarl/goproxy v0.0.0-20180725130230-947c36da3153/go.mod h1:/Zj4wYkgs4iZTTu3o/KG3Itv/qCCa8VVMlb3i9OVuzc=
@@ -87,24 +60,17 @@ github.com/emicklei/go-restful v2.9.5+incompatible h1:spTtZBk5DYEvbxMVutUuTyh1Ao
 github.com/emicklei/go-restful v2.9.5+incompatible/go.mod h1:otzb+WCGbkyDHkqmQmT5YD2WR4BBwUdeQoFo8l/7tVs=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
-github.com/evanphx/json-patch v4.9.0+incompatible h1:kLcOMZeuLAJvL2BPWLMIj5oaZQobrkAqrL+WFZwQses=
-github.com/evanphx/json-patch v4.9.0+incompatible/go.mod h1:50XU6AFN0ol/bzJsmQLiYLvXMP4fmwYFNcr97nuDLSk=
+github.com/evanphx/json-patch v4.2.0+incompatible h1:fUDGZCv/7iAN7u0puUVhvKCcsR6vRfwrJatElLBEf0I=
+github.com/evanphx/json-patch v4.2.0+incompatible/go.mod h1:50XU6AFN0ol/bzJsmQLiYLvXMP4fmwYFNcr97nuDLSk=
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
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@@ -128,48 +94,32 @@ github.com/gogo/protobuf v1.3.1/go.mod h1:SlYgWuQ5SjCEi6WLHjHCa1yvBfUnHcTbrrZtXP
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@@ -182,7 +132,6 @@ github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ
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@@ -190,21 +139,17 @@ github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANyt
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@@ -219,10 +164,8 @@ github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaO
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@@ -245,29 +188,22 @@ github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/9
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@@ -290,57 +226,29 @@ github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UV
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@@ -350,69 +258,46 @@ golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73r
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--- a/hack/kind_config.yaml
+++ b/hack/kind_config.yaml
@@ -1,5 +1,5 @@
 kind: Cluster
-apiVersion: kind.x-k8s.io/v1alpha4
+apiVersion: kind.sigs.k8s.io/v1alpha3
 nodes:
 - role: control-plane
 - role: worker
--- a/hack/update-gofmt.sh
+++ b/hack/update-gofmt.sh
@@ -23,7 +23,7 @@ DESCHEDULER_ROOT=$(dirname "${BASH_SOURCE}")/..

 GO_VERSION=($(go version))

-if [[ -z $(echo "${GO_VERSION[2]}" | grep -E 'go1.13|go1.14|go1.15') ]]; then
+if [[ -z $(echo "${GO_VERSION[2]}" | grep -E 'go1.2|go1.3|go1.4|go1.5|go1.6|go1.7|go1.8|go1.9|go1.10|go1.11|go1.12|go1.13|go1.14') ]]; then
  echo "Unknown go version '${GO_VERSION[2]}', skipping gofmt."
  exit 1
 fi
--- a/hack/verify-gofmt.sh
+++ b/hack/verify-gofmt.sh
@@ -23,7 +23,7 @@ DESCHEDULER_ROOT=$(dirname "${BASH_SOURCE}")/..

 GO_VERSION=($(go version))

-if [[ -z $(echo "${GO_VERSION[2]}" | grep -E 'go1.13|go1.14|go1.15') ]]; then
+if [[ -z $(echo "${GO_VERSION[2]}" | grep -E 'go1.2|go1.3|go1.4|go1.5|go1.6|go1.7|go1.8|go1.9|go1.10|go1.11|go1.12|go1.13|go1.14') ]]; then
  echo "Unknown go version '${GO_VERSION[2]}', skipping gofmt."
  exit 1
 fi
--- a/kubernetes/cronjob.yaml
+++ b/kubernetes/cronjob.yaml
@@ -16,7 +16,7 @@ spec:
          priorityClassName: system-cluster-critical
          containers:
          - name: descheduler
-            image: k8s.gcr.io/descheduler/descheduler:v0.19.0
+            image: us.gcr.io/k8s-artifacts-prod/descheduler/descheduler:v0.18.0
            volumeMounts:
            - mountPath: /policy-dir
              name: policy-volume
--- a/kubernetes/job.yaml
+++ b/kubernetes/job.yaml
@@ -14,7 +14,7 @@ spec:
      priorityClassName: system-cluster-critical
      containers:
        - name: descheduler
-          image: k8s.gcr.io/descheduler/descheduler:v0.19.0
+          image: us.gcr.io/k8s-artifacts-prod/descheduler/descheduler:v0.18.0
          volumeMounts:
          - mountPath: /policy-dir
            name: policy-volume
--- a/kubernetes/rbac.yaml
+++ b/kubernetes/rbac.yaml
@@ -17,9 +17,6 @@ rules:
 - apiGroups: [""]
  resources: ["pods/eviction"]
  verbs: ["create"]
- apiGroups: ["scheduling.k8s.io"]
-  resources: ["priorityclasses"]
-  verbs: ["get", "watch", "list"]
 ---
 apiVersion: v1
 kind: ServiceAccount
--- a/pkg/api/register.go
+++ b/pkg/api/register.go
@@ -19,6 +19,8 @@ package api
 import (
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/runtime/schema"
+
+	"sigs.k8s.io/descheduler/pkg/descheduler/scheme"
 )

 var (
@@ -33,6 +35,12 @@ const GroupName = "descheduler"
 // SchemeGroupVersion is group version used to register these objects
 var SchemeGroupVersion = schema.GroupVersion{Group: GroupName, Version: runtime.APIVersionInternal}

+func init() {
+	if err := addKnownTypes(scheme.Scheme); err != nil {
+		panic(err)
+	}
+}
+
 // Kind takes an unqualified kind and returns a Group qualified GroupKind
 func Kind(kind string) schema.GroupKind {
 	return SchemeGroupVersion.WithKind(kind).GroupKind()
--- a/pkg/api/types.go
+++ b/pkg/api/types.go
@@ -28,15 +28,6 @@ type DeschedulerPolicy struct {

 	// Strategies
 	Strategies StrategyList
-
-	// NodeSelector for a set of nodes to operate over
-	NodeSelector *string
-
-	// EvictLocalStoragePods allows pods using local storage to be evicted.
-	EvictLocalStoragePods *bool
-
-	// MaxNoOfPodsToEvictPerNode restricts maximum of pods to be evicted per node.
-	MaxNoOfPodsToEvictPerNode *int
 }

 type StrategyName string
@@ -53,25 +44,13 @@ type DeschedulerStrategy struct {
 	Params *StrategyParameters
 }

-// Namespaces carries a list of included/excluded namespaces
-// for which a given strategy is applicable
-type Namespaces struct {
-	Include []string
-	Exclude []string
-}
-
-// Besides Namespaces only one of its members may be specified
-// TODO(jchaloup): move Namespaces ThresholdPriority and ThresholdPriorityClassName to individual strategies
-//  once the policy version is bumped to v1alpha2
+// Only one of its members may be specified
 type StrategyParameters struct {
 	NodeResourceUtilizationThresholds *NodeResourceUtilizationThresholds
 	NodeAffinityType                  []string
 	PodsHavingTooManyRestarts         *PodsHavingTooManyRestarts
 	MaxPodLifeTimeSeconds             *uint
 	RemoveDuplicates                  *RemoveDuplicates
-	Namespaces                        *Namespaces
-	ThresholdPriority                 *int32
-	ThresholdPriorityClassName        string
 }

 type Percentage float64
--- a/pkg/api/v1alpha1/types.go
+++ b/pkg/api/v1alpha1/types.go
@@ -28,15 +28,6 @@ type DeschedulerPolicy struct {

 	// Strategies
 	Strategies StrategyList `json:"strategies,omitempty"`
-
-	// NodeSelector for a set of nodes to operate over
-	NodeSelector *string `json:"nodeSelector,omitempty"`
-
-	// EvictLocalStoragePods allows pods using local storage to be evicted.
-	EvictLocalStoragePods *bool `json:"evictLocalStoragePods,omitempty"`
-
-	// MaxNoOfPodsToEvictPerNode restricts maximum of pods to be evicted per node.
-	MaxNoOfPodsToEvictPerNode *int `json:"maxNoOfPodsToEvictPerNode,omitempty"`
 }

 type StrategyName string
@@ -53,23 +44,13 @@ type DeschedulerStrategy struct {
 	Params *StrategyParameters `json:"params,omitempty"`
 }

-// Namespaces carries a list of included/excluded namespaces
-// for which a given strategy is applicable.
-type Namespaces struct {
-	Include []string `json:"include"`
-	Exclude []string `json:"exclude"`
-}
-
-// Besides Namespaces ThresholdPriority and ThresholdPriorityClassName only one of its members may be specified
+// Only one of its members may be specified
 type StrategyParameters struct {
 	NodeResourceUtilizationThresholds *NodeResourceUtilizationThresholds `json:"nodeResourceUtilizationThresholds,omitempty"`
 	NodeAffinityType                  []string                           `json:"nodeAffinityType,omitempty"`
 	PodsHavingTooManyRestarts         *PodsHavingTooManyRestarts         `json:"podsHavingTooManyRestarts,omitempty"`
 	MaxPodLifeTimeSeconds             *uint                              `json:"maxPodLifeTimeSeconds,omitempty"`
 	RemoveDuplicates                  *RemoveDuplicates                  `json:"removeDuplicates,omitempty"`
-	Namespaces                        *Namespaces                        `json:"namespaces"`
-	ThresholdPriority                 *int32                             `json:"thresholdPriority"`
-	ThresholdPriorityClassName        string                             `json:"thresholdPriorityClassName"`
 }

 type Percentage float64
--- a/pkg/api/v1alpha1/zz_generated.conversion.go
+++ b/pkg/api/v1alpha1/zz_generated.conversion.go
@@ -55,16 +55,6 @@ func RegisterConversions(s *runtime.Scheme) error {
 	}); err != nil {
 		return err
 	}
-	if err := s.AddGeneratedConversionFunc((*Namespaces)(nil), (*api.Namespaces)(nil), func(a, b interface{}, scope conversion.Scope) error {
-		return Convert_v1alpha1_Namespaces_To_api_Namespaces(a.(*Namespaces), b.(*api.Namespaces), scope)
-	}); err != nil {
-		return err
-	}
-	if err := s.AddGeneratedConversionFunc((*api.Namespaces)(nil), (*Namespaces)(nil), func(a, b interface{}, scope conversion.Scope) error {
-		return Convert_api_Namespaces_To_v1alpha1_Namespaces(a.(*api.Namespaces), b.(*Namespaces), scope)
-	}); err != nil {
-		return err
-	}
 	if err := s.AddGeneratedConversionFunc((*NodeResourceUtilizationThresholds)(nil), (*api.NodeResourceUtilizationThresholds)(nil), func(a, b interface{}, scope conversion.Scope) error {
 		return Convert_v1alpha1_NodeResourceUtilizationThresholds_To_api_NodeResourceUtilizationThresholds(a.(*NodeResourceUtilizationThresholds), b.(*api.NodeResourceUtilizationThresholds), scope)
 	}); err != nil {
@@ -110,9 +100,6 @@ func RegisterConversions(s *runtime.Scheme) error {

 func autoConvert_v1alpha1_DeschedulerPolicy_To_api_DeschedulerPolicy(in *DeschedulerPolicy, out *api.DeschedulerPolicy, s conversion.Scope) error {
 	out.Strategies = *(*api.StrategyList)(unsafe.Pointer(&in.Strategies))
-	out.NodeSelector = (*string)(unsafe.Pointer(in.NodeSelector))
-	out.EvictLocalStoragePods = (*bool)(unsafe.Pointer(in.EvictLocalStoragePods))
-	out.MaxNoOfPodsToEvictPerNode = (*int)(unsafe.Pointer(in.MaxNoOfPodsToEvictPerNode))
 	return nil
 }

@@ -123,9 +110,6 @@ func Convert_v1alpha1_DeschedulerPolicy_To_api_DeschedulerPolicy(in *Descheduler

 func autoConvert_api_DeschedulerPolicy_To_v1alpha1_DeschedulerPolicy(in *api.DeschedulerPolicy, out *DeschedulerPolicy, s conversion.Scope) error {
 	out.Strategies = *(*StrategyList)(unsafe.Pointer(&in.Strategies))
-	out.NodeSelector = (*string)(unsafe.Pointer(in.NodeSelector))
-	out.EvictLocalStoragePods = (*bool)(unsafe.Pointer(in.EvictLocalStoragePods))
-	out.MaxNoOfPodsToEvictPerNode = (*int)(unsafe.Pointer(in.MaxNoOfPodsToEvictPerNode))
 	return nil
 }

@@ -158,28 +142,6 @@ func Convert_api_DeschedulerStrategy_To_v1alpha1_DeschedulerStrategy(in *api.Des
 	return autoConvert_api_DeschedulerStrategy_To_v1alpha1_DeschedulerStrategy(in, out, s)
 }

-func autoConvert_v1alpha1_Namespaces_To_api_Namespaces(in *Namespaces, out *api.Namespaces, s conversion.Scope) error {
-	out.Include = *(*[]string)(unsafe.Pointer(&in.Include))
-	out.Exclude = *(*[]string)(unsafe.Pointer(&in.Exclude))
-	return nil
-}
-
-// Convert_v1alpha1_Namespaces_To_api_Namespaces is an autogenerated conversion function.
-func Convert_v1alpha1_Namespaces_To_api_Namespaces(in *Namespaces, out *api.Namespaces, s conversion.Scope) error {
-	return autoConvert_v1alpha1_Namespaces_To_api_Namespaces(in, out, s)
-}
-
-func autoConvert_api_Namespaces_To_v1alpha1_Namespaces(in *api.Namespaces, out *Namespaces, s conversion.Scope) error {
-	out.Include = *(*[]string)(unsafe.Pointer(&in.Include))
-	out.Exclude = *(*[]string)(unsafe.Pointer(&in.Exclude))
-	return nil
-}
-
-// Convert_api_Namespaces_To_v1alpha1_Namespaces is an autogenerated conversion function.
-func Convert_api_Namespaces_To_v1alpha1_Namespaces(in *api.Namespaces, out *Namespaces, s conversion.Scope) error {
-	return autoConvert_api_Namespaces_To_v1alpha1_Namespaces(in, out, s)
-}
-
 func autoConvert_v1alpha1_NodeResourceUtilizationThresholds_To_api_NodeResourceUtilizationThresholds(in *NodeResourceUtilizationThresholds, out *api.NodeResourceUtilizationThresholds, s conversion.Scope) error {
 	out.Thresholds = *(*api.ResourceThresholds)(unsafe.Pointer(&in.Thresholds))
 	out.TargetThresholds = *(*api.ResourceThresholds)(unsafe.Pointer(&in.TargetThresholds))
@@ -252,9 +214,6 @@ func autoConvert_v1alpha1_StrategyParameters_To_api_StrategyParameters(in *Strat
 	out.PodsHavingTooManyRestarts = (*api.PodsHavingTooManyRestarts)(unsafe.Pointer(in.PodsHavingTooManyRestarts))
 	out.MaxPodLifeTimeSeconds = (*uint)(unsafe.Pointer(in.MaxPodLifeTimeSeconds))
 	out.RemoveDuplicates = (*api.RemoveDuplicates)(unsafe.Pointer(in.RemoveDuplicates))
-	out.Namespaces = (*api.Namespaces)(unsafe.Pointer(in.Namespaces))
-	out.ThresholdPriority = (*int32)(unsafe.Pointer(in.ThresholdPriority))
-	out.ThresholdPriorityClassName = in.ThresholdPriorityClassName
 	return nil
 }

@@ -269,9 +228,6 @@ func autoConvert_api_StrategyParameters_To_v1alpha1_StrategyParameters(in *api.S
 	out.PodsHavingTooManyRestarts = (*PodsHavingTooManyRestarts)(unsafe.Pointer(in.PodsHavingTooManyRestarts))
 	out.MaxPodLifeTimeSeconds = (*uint)(unsafe.Pointer(in.MaxPodLifeTimeSeconds))
 	out.RemoveDuplicates = (*RemoveDuplicates)(unsafe.Pointer(in.RemoveDuplicates))
-	out.Namespaces = (*Namespaces)(unsafe.Pointer(in.Namespaces))
-	out.ThresholdPriority = (*int32)(unsafe.Pointer(in.ThresholdPriority))
-	out.ThresholdPriorityClassName = in.ThresholdPriorityClassName
 	return nil
 }

--- a/pkg/api/v1alpha1/zz_generated.deepcopy.go
+++ b/pkg/api/v1alpha1/zz_generated.deepcopy.go
@@ -35,21 +35,6 @@ func (in *DeschedulerPolicy) DeepCopyInto(out *DeschedulerPolicy) {
 			(*out)[key] = *val.DeepCopy()
 		}
 	}
-	if in.NodeSelector != nil {
-		in, out := &in.NodeSelector, &out.NodeSelector
-		*out = new(string)
-		**out = **in
-	}
-	if in.EvictLocalStoragePods != nil {
-		in, out := &in.EvictLocalStoragePods, &out.EvictLocalStoragePods
-		*out = new(bool)
-		**out = **in
-	}
-	if in.MaxNoOfPodsToEvictPerNode != nil {
-		in, out := &in.MaxNoOfPodsToEvictPerNode, &out.MaxNoOfPodsToEvictPerNode
-		*out = new(int)
-		**out = **in
-	}
 	return
 }

@@ -92,32 +77,6 @@ func (in *DeschedulerStrategy) DeepCopy() *DeschedulerStrategy {
 	return out
 }

-// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
-func (in *Namespaces) DeepCopyInto(out *Namespaces) {
-	*out = *in
-	if in.Include != nil {
-		in, out := &in.Include, &out.Include
-		*out = make([]string, len(*in))
-		copy(*out, *in)
-	}
-	if in.Exclude != nil {
-		in, out := &in.Exclude, &out.Exclude
-		*out = make([]string, len(*in))
-		copy(*out, *in)
-	}
-	return
-}
-
-// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Namespaces.
-func (in *Namespaces) DeepCopy() *Namespaces {
-	if in == nil {
-		return nil
-	}
-	out := new(Namespaces)
-	in.DeepCopyInto(out)
-	return out
-}
-
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
 func (in *NodeResourceUtilizationThresholds) DeepCopyInto(out *NodeResourceUtilizationThresholds) {
 	*out = *in
@@ -257,16 +216,6 @@ func (in *StrategyParameters) DeepCopyInto(out *StrategyParameters) {
 		*out = new(RemoveDuplicates)
 		(*in).DeepCopyInto(*out)
 	}
-	if in.Namespaces != nil {
-		in, out := &in.Namespaces, &out.Namespaces
-		*out = new(Namespaces)
-		(*in).DeepCopyInto(*out)
-	}
-	if in.ThresholdPriority != nil {
-		in, out := &in.ThresholdPriority, &out.ThresholdPriority
-		*out = new(int32)
-		**out = **in
-	}
 	return
 }

--- a/pkg/api/zz_generated.deepcopy.go
+++ b/pkg/api/zz_generated.deepcopy.go
@@ -35,21 +35,6 @@ func (in *DeschedulerPolicy) DeepCopyInto(out *DeschedulerPolicy) {
 			(*out)[key] = *val.DeepCopy()
 		}
 	}
-	if in.NodeSelector != nil {
-		in, out := &in.NodeSelector, &out.NodeSelector
-		*out = new(string)
-		**out = **in
-	}
-	if in.EvictLocalStoragePods != nil {
-		in, out := &in.EvictLocalStoragePods, &out.EvictLocalStoragePods
-		*out = new(bool)
-		**out = **in
-	}
-	if in.MaxNoOfPodsToEvictPerNode != nil {
-		in, out := &in.MaxNoOfPodsToEvictPerNode, &out.MaxNoOfPodsToEvictPerNode
-		*out = new(int)
-		**out = **in
-	}
 	return
 }

@@ -92,32 +77,6 @@ func (in *DeschedulerStrategy) DeepCopy() *DeschedulerStrategy {
 	return out
 }

-// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
-func (in *Namespaces) DeepCopyInto(out *Namespaces) {
-	*out = *in
-	if in.Include != nil {
-		in, out := &in.Include, &out.Include
-		*out = make([]string, len(*in))
-		copy(*out, *in)
-	}
-	if in.Exclude != nil {
-		in, out := &in.Exclude, &out.Exclude
-		*out = make([]string, len(*in))
-		copy(*out, *in)
-	}
-	return
-}
-
-// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Namespaces.
-func (in *Namespaces) DeepCopy() *Namespaces {
-	if in == nil {
-		return nil
-	}
-	out := new(Namespaces)
-	in.DeepCopyInto(out)
-	return out
-}
-
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
 func (in *NodeResourceUtilizationThresholds) DeepCopyInto(out *NodeResourceUtilizationThresholds) {
 	*out = *in
@@ -257,16 +216,6 @@ func (in *StrategyParameters) DeepCopyInto(out *StrategyParameters) {
 		*out = new(RemoveDuplicates)
 		(*in).DeepCopyInto(*out)
 	}
-	if in.Namespaces != nil {
-		in, out := &in.Namespaces, &out.Namespaces
-		*out = new(Namespaces)
-		(*in).DeepCopyInto(*out)
-	}
-	if in.ThresholdPriority != nil {
-		in, out := &in.ThresholdPriority, &out.ThresholdPriority
-		*out = new(int32)
-		**out = **in
-	}
 	return
 }

--- a/pkg/apis/componentconfig/register.go
+++ b/pkg/apis/componentconfig/register.go
@@ -19,6 +19,8 @@ package componentconfig
 import (
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/runtime/schema"
+
+	"sigs.k8s.io/descheduler/pkg/descheduler/scheme"
 )

 var (
@@ -32,6 +34,12 @@ const GroupName = "deschedulercomponentconfig"
 // SchemeGroupVersion is group version used to register these objects
 var SchemeGroupVersion = schema.GroupVersion{Group: GroupName, Version: runtime.APIVersionInternal}

+func init() {
+	if err := addKnownTypes(scheme.Scheme); err != nil {
+		panic(err)
+	}
+}
+
 // Kind takes an unqualified kind and returns a Group qualified GroupKind
 func Kind(kind string) schema.GroupKind {
 	return SchemeGroupVersion.WithKind(kind).GroupKind()
--- a/pkg/descheduler/descheduler.go
+++ b/pkg/descheduler/descheduler.go
@@ -20,7 +20,7 @@ import (
 	"context"
 	"fmt"

-	v1 "k8s.io/api/core/v1"
+	"k8s.io/api/core/v1"
 	clientset "k8s.io/client-go/kubernetes"
 	"k8s.io/klog/v2"

@@ -79,23 +79,8 @@ func RunDeschedulerStrategies(ctx context.Context, rs *options.DeschedulerServer
 		"PodLifeTime":                             strategies.PodLifeTime,
 	}

-	nodeSelector := rs.NodeSelector
-	if deschedulerPolicy.NodeSelector != nil {
-		nodeSelector = *deschedulerPolicy.NodeSelector
-	}
-
-	evictLocalStoragePods := rs.EvictLocalStoragePods
-	if deschedulerPolicy.EvictLocalStoragePods != nil {
-		evictLocalStoragePods = *deschedulerPolicy.EvictLocalStoragePods
-	}
-
-	maxNoOfPodsToEvictPerNode := rs.MaxNoOfPodsToEvictPerNode
-	if deschedulerPolicy.MaxNoOfPodsToEvictPerNode != nil {
-		maxNoOfPodsToEvictPerNode = *deschedulerPolicy.MaxNoOfPodsToEvictPerNode
-	}
-
 	wait.Until(func() {
-		nodes, err := nodeutil.ReadyNodes(ctx, rs.Client, nodeInformer, nodeSelector, stopChannel)
+		nodes, err := nodeutil.ReadyNodes(ctx, rs.Client, nodeInformer, rs.NodeSelector, stopChannel)
 		if err != nil {
 			klog.V(1).Infof("Unable to get ready nodes: %v", err)
 			close(stopChannel)
@@ -112,9 +97,9 @@ func RunDeschedulerStrategies(ctx context.Context, rs *options.DeschedulerServer
 			rs.Client,
 			evictionPolicyGroupVersion,
 			rs.DryRun,
-			maxNoOfPodsToEvictPerNode,
+			rs.MaxNoOfPodsToEvictPerNode,
 			nodes,
-			evictLocalStoragePods,
+			rs.EvictLocalStoragePods,
 		)

 		for name, f := range strategyFuncs {
--- a/pkg/descheduler/evictions/evictions.go
+++ b/pkg/descheduler/evictions/evictions.go
@@ -77,6 +77,37 @@ func NewPodEvictor(
 	}
 }

+// IsEvictable checks if a pod is evictable or not.
+func (pe *PodEvictor) IsEvictable(pod *v1.Pod) bool {
+	checkErrs := []error{}
+	if IsCriticalPod(pod) {
+		checkErrs = append(checkErrs, fmt.Errorf("pod is critical"))
+	}
+
+	ownerRefList := podutil.OwnerRef(pod)
+	if IsDaemonsetPod(ownerRefList) {
+		checkErrs = append(checkErrs, fmt.Errorf("pod is a DaemonSet pod"))
+	}
+
+	if len(ownerRefList) == 0 {
+		checkErrs = append(checkErrs, fmt.Errorf("pod does not have any ownerrefs"))
+	}
+
+	if !pe.evictLocalStoragePods && IsPodWithLocalStorage(pod) {
+		checkErrs = append(checkErrs, fmt.Errorf("pod has local storage and descheduler is not configured with --evict-local-storage-pods"))
+	}
+
+	if IsMirrorPod(pod) {
+		checkErrs = append(checkErrs, fmt.Errorf("pod is a mirror pod"))
+	}
+
+	if len(checkErrs) > 0 && !HaveEvictAnnotation(pod) {
+		klog.V(4).Infof("Pod %s in namespace %s is not evictable: Pod lacks an eviction annotation and fails the following checks: %v", pod.Name, pod.Namespace, errors.NewAggregate(checkErrs).Error())
+		return false
+	}
+	return true
+}
+
 // NodeEvicted gives a number of pods evicted for node
 func (pe *PodEvictor) NodeEvicted(node *v1.Node) int {
 	return pe.nodepodCount[node]
@@ -152,87 +183,6 @@ func evictPod(ctx context.Context, client clientset.Interface, pod *v1.Pod, poli
 	return err
 }

-type Options struct {
-	priority *int32
-}
-
-// WithPriorityThreshold sets a threshold for pod's priority class.
-// Any pod whose priority class is lower is evictable.
-func WithPriorityThreshold(priority int32) func(opts *Options) {
-	return func(opts *Options) {
-		var p int32 = priority
-		opts.priority = &p
-	}
-}
-
-type constraint func(pod *v1.Pod) error
-
-type evictable struct {
-	constraints []constraint
-}
-
-// Evictable provides an implementation of IsEvictable(IsEvictable(pod *v1.Pod) bool).
-// The method accepts a list of options which allow to extend constraints
-// which decides when a pod is considered evictable.
-func (pe *PodEvictor) Evictable(opts ...func(opts *Options)) *evictable {
-	options := &Options{}
-	for _, opt := range opts {
-		opt(options)
-	}
-
-	ev := &evictable{}
-	if !pe.evictLocalStoragePods {
-		ev.constraints = append(ev.constraints, func(pod *v1.Pod) error {
-			if IsPodWithLocalStorage(pod) {
-				return fmt.Errorf("pod has local storage and descheduler is not configured with --evict-local-storage-pods")
-			}
-			return nil
-		})
-	}
-	if options.priority != nil {
-		ev.constraints = append(ev.constraints, func(pod *v1.Pod) error {
-			if IsPodEvictableBasedOnPriority(pod, *options.priority) {
-				return nil
-			}
-			return fmt.Errorf("pod has higher priority than specified priority class threshold")
-		})
-	}
-	return ev
-}
-
-// IsEvictable decides when a pod is evictable
-func (ev *evictable) IsEvictable(pod *v1.Pod) bool {
-	checkErrs := []error{}
-	if IsCriticalPod(pod) {
-		checkErrs = append(checkErrs, fmt.Errorf("pod is critical"))
-	}
-
-	ownerRefList := podutil.OwnerRef(pod)
-	if IsDaemonsetPod(ownerRefList) {
-		checkErrs = append(checkErrs, fmt.Errorf("pod is a DaemonSet pod"))
-	}
-
-	if len(ownerRefList) == 0 {
-		checkErrs = append(checkErrs, fmt.Errorf("pod does not have any ownerrefs"))
-	}
-
-	if IsMirrorPod(pod) {
-		checkErrs = append(checkErrs, fmt.Errorf("pod is a mirror pod"))
-	}
-
-	for _, c := range ev.constraints {
-		if err := c(pod); err != nil {
-			checkErrs = append(checkErrs, err)
-		}
-	}
-
-	if len(checkErrs) > 0 && !HaveEvictAnnotation(pod) {
-		klog.V(4).Infof("Pod %s in namespace %s is not evictable: Pod lacks an eviction annotation and fails the following checks: %v", pod.Name, pod.Namespace, errors.NewAggregate(checkErrs).Error())
-		return false
-	}
-	return true
-}
-
 func IsCriticalPod(pod *v1.Pod) bool {
 	return utils.IsCriticalPod(pod)
 }
@@ -266,8 +216,3 @@ func IsPodWithLocalStorage(pod *v1.Pod) bool {

 	return false
 }
-
-// IsPodEvictableBasedOnPriority checks if the given pod is evictable based on priority resolved from pod Spec.
-func IsPodEvictableBasedOnPriority(pod *v1.Pod, priority int32) bool {
-	return pod.Spec.Priority == nil || *pod.Spec.Priority < priority
-}
--- a/pkg/descheduler/evictions/evictions_test.go
+++ b/pkg/descheduler/evictions/evictions_test.go
@@ -71,13 +71,10 @@ func TestEvictPod(t *testing.T) {

 func TestIsEvictable(t *testing.T) {
 	n1 := test.BuildTestNode("node1", 1000, 2000, 13, nil)
-	lowPriority := int32(800)
-	highPriority := int32(900)
 	type testCase struct {
 		pod                   *v1.Pod
 		runBefore             func(*v1.Pod)
 		evictLocalStoragePods bool
-		priorityThreshold     *int32
 		result                bool
 	}

@@ -182,7 +179,6 @@ func TestIsEvictable(t *testing.T) {
 		}, {
 			pod: test.BuildTestPod("p10", 400, 0, n1.Name, nil),
 			runBefore: func(pod *v1.Pod) {
-				pod.ObjectMeta.OwnerReferences = test.GetNormalPodOwnerRefList()
 				pod.Annotations = test.GetMirrorPodAnnotation()
 			},
 			evictLocalStoragePods: false,
@@ -190,7 +186,6 @@ func TestIsEvictable(t *testing.T) {
 		}, {
 			pod: test.BuildTestPod("p11", 400, 0, n1.Name, nil),
 			runBefore: func(pod *v1.Pod) {
-				pod.ObjectMeta.OwnerReferences = test.GetNormalPodOwnerRefList()
 				pod.Annotations = test.GetMirrorPodAnnotation()
 				pod.Annotations["descheduler.alpha.kubernetes.io/evict"] = "true"
 			},
@@ -199,7 +194,6 @@ func TestIsEvictable(t *testing.T) {
 		}, {
 			pod: test.BuildTestPod("p12", 400, 0, n1.Name, nil),
 			runBefore: func(pod *v1.Pod) {
-				pod.ObjectMeta.OwnerReferences = test.GetNormalPodOwnerRefList()
 				priority := utils.SystemCriticalPriority
 				pod.Spec.Priority = &priority
 			},
@@ -208,7 +202,6 @@ func TestIsEvictable(t *testing.T) {
 		}, {
 			pod: test.BuildTestPod("p13", 400, 0, n1.Name, nil),
 			runBefore: func(pod *v1.Pod) {
-				pod.ObjectMeta.OwnerReferences = test.GetNormalPodOwnerRefList()
 				priority := utils.SystemCriticalPriority
 				pod.Spec.Priority = &priority
 				pod.Annotations = map[string]string{
@@ -217,41 +210,15 @@ func TestIsEvictable(t *testing.T) {
 			},
 			evictLocalStoragePods: false,
 			result:                true,
-		}, {
-			pod: test.BuildTestPod("p14", 400, 0, n1.Name, nil),
-			runBefore: func(pod *v1.Pod) {
-				pod.ObjectMeta.OwnerReferences = test.GetNormalPodOwnerRefList()
-				pod.Spec.Priority = &highPriority
-			},
-			evictLocalStoragePods: false,
-			priorityThreshold:     &lowPriority,
-			result:                false,
-		}, {
-			pod: test.BuildTestPod("p15", 400, 0, n1.Name, nil),
-			runBefore: func(pod *v1.Pod) {
-				pod.ObjectMeta.OwnerReferences = test.GetNormalPodOwnerRefList()
-				pod.Annotations = map[string]string{"descheduler.alpha.kubernetes.io/evict": "true"}
-				pod.Spec.Priority = &highPriority
-			},
-			evictLocalStoragePods: false,
-			priorityThreshold:     &lowPriority,
-			result:                true,
 		},
 	}

 	for _, test := range testCases {
 		test.runBefore(test.pod)
-
 		podEvictor := &PodEvictor{
 			evictLocalStoragePods: test.evictLocalStoragePods,
 		}
-
-		evictable := podEvictor.Evictable()
-		if test.priorityThreshold != nil {
-			evictable = podEvictor.Evictable(WithPriorityThreshold(*test.priorityThreshold))
-		}
-
-		result := evictable.IsEvictable(test.pod)
+		result := podEvictor.IsEvictable(test.pod)
 		if result != test.result {
 			t.Errorf("IsEvictable should return for pod %s %t, but it returns %t", test.pod.Name, test.result, result)
 		}
@@ -266,6 +233,10 @@ func TestPodTypes(t *testing.T) {
 	p2 := test.BuildTestPod("p2", 400, 0, n1.Name, nil)
 	p3 := test.BuildTestPod("p3", 400, 0, n1.Name, nil)
 	p4 := test.BuildTestPod("p4", 400, 0, n1.Name, nil)
+	p5 := test.BuildTestPod("p5", 400, 0, n1.Name, nil)
+	p6 := test.BuildTestPod("p6", 400, 0, n1.Name, nil)
+
+	p6.ObjectMeta.OwnerReferences = test.GetNormalPodOwnerRefList()

 	p1.ObjectMeta.OwnerReferences = test.GetReplicaSetOwnerRefList()
 	// The following 4 pods won't get evicted.
@@ -286,9 +257,18 @@ func TestPodTypes(t *testing.T) {
 	}
 	// A Mirror Pod.
 	p4.Annotations = test.GetMirrorPodAnnotation()
+	// A Critical Pod.
+	p5.Namespace = "kube-system"
+	priority := utils.SystemCriticalPriority
+	p5.Spec.Priority = &priority
+	systemCriticalPriority := utils.SystemCriticalPriority
+	p5.Spec.Priority = &systemCriticalPriority
 	if !IsMirrorPod(p4) {
 		t.Errorf("Expected p4 to be a mirror pod.")
 	}
+	if !IsCriticalPod(p5) {
+		t.Errorf("Expected p5 to be a critical pod.")
+	}
 	if !IsPodWithLocalStorage(p3) {
 		t.Errorf("Expected p3 to be a pod with local storage.")
 	}
--- a/pkg/descheduler/node/node_test.go
+++ b/pkg/descheduler/node/node_test.go
@@ -20,7 +20,7 @@ import (
 	"context"
 	"testing"

-	v1 "k8s.io/api/core/v1"
+	"k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/client-go/informers"
 	"k8s.io/client-go/kubernetes/fake"
@@ -69,7 +69,7 @@ func TestReadyNodesWithNodeSelector(t *testing.T) {
 	sharedInformerFactory := informers.NewSharedInformerFactory(fakeClient, 0)
 	nodeInformer := sharedInformerFactory.Core().V1().Nodes()

-	stopChannel := make(chan struct{})
+	stopChannel := make(chan struct{}, 0)
 	sharedInformerFactory.Start(stopChannel)
 	sharedInformerFactory.WaitForCacheSync(stopChannel)
 	defer close(stopChannel)
--- a/pkg/descheduler/pod/pods.go
+++ b/pkg/descheduler/pod/pods.go
@@ -18,111 +18,34 @@ package pod

 import (
 	"context"
-	"sort"
-
 	v1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/fields"
 	clientset "k8s.io/client-go/kubernetes"
 	"sigs.k8s.io/descheduler/pkg/utils"
+	"sort"
 )

-type Options struct {
-	filter             func(pod *v1.Pod) bool
-	includedNamespaces []string
-	excludedNamespaces []string
-}
-
-// WithFilter sets a pod filter.
-// The filter function should return true if the pod should be returned from ListPodsOnANode
-func WithFilter(filter func(pod *v1.Pod) bool) func(opts *Options) {
-	return func(opts *Options) {
-		opts.filter = filter
-	}
-}
-
-// WithNamespaces sets included namespaces
-func WithNamespaces(namespaces []string) func(opts *Options) {
-	return func(opts *Options) {
-		opts.includedNamespaces = namespaces
-	}
-}
-
-// WithoutNamespaces sets excluded namespaces
-func WithoutNamespaces(namespaces []string) func(opts *Options) {
-	return func(opts *Options) {
-		opts.excludedNamespaces = namespaces
-	}
-}
-
 // ListPodsOnANode lists all of the pods on a node
 // It also accepts an optional "filter" function which can be used to further limit the pods that are returned.
-// (Usually this is podEvictor.Evictable().IsEvictable, in order to only list the evictable pods on a node, but can
-// be used by strategies to extend it if there are further restrictions, such as with NodeAffinity).
-func ListPodsOnANode(
-	ctx context.Context,
-	client clientset.Interface,
-	node *v1.Node,
-	opts ...func(opts *Options),
-) ([]*v1.Pod, error) {
-	options := &Options{}
-	for _, opt := range opts {
-		opt(options)
-	}
-
-	pods := make([]*v1.Pod, 0)
-
-	fieldSelectorString := "spec.nodeName=" + node.Name + ",status.phase!=" + string(v1.PodSucceeded) + ",status.phase!=" + string(v1.PodFailed)
-
-	if len(options.includedNamespaces) > 0 {
-		fieldSelector, err := fields.ParseSelector(fieldSelectorString)
-		if err != nil {
-			return []*v1.Pod{}, err
-		}
-
-		for _, namespace := range options.includedNamespaces {
-			podList, err := client.CoreV1().Pods(namespace).List(ctx,
-				metav1.ListOptions{FieldSelector: fieldSelector.String()})
-			if err != nil {
-				return []*v1.Pod{}, err
-			}
-			for i := range podList.Items {
-				if options.filter != nil && !options.filter(&podList.Items[i]) {
-					continue
-				}
-				pods = append(pods, &podList.Items[i])
-			}
-		}
-		return pods, nil
-	}
-
-	if len(options.excludedNamespaces) > 0 {
-		for _, namespace := range options.excludedNamespaces {
-			fieldSelectorString += ",metadata.namespace!=" + namespace
-		}
-	}
-
-	fieldSelector, err := fields.ParseSelector(fieldSelectorString)
+// (Usually this is podEvictor.IsEvictable, in order to only list the evictable pods on a node, but can
+// be used by strategies to extend IsEvictable if there are further restrictions, such as with NodeAffinity).
+// The filter function should return true if the pod should be returned from ListPodsOnANode
+func ListPodsOnANode(ctx context.Context, client clientset.Interface, node *v1.Node, filter func(pod *v1.Pod) bool) ([]*v1.Pod, error) {
+	fieldSelector, err := fields.ParseSelector("spec.nodeName=" + node.Name + ",status.phase!=" + string(v1.PodSucceeded) + ",status.phase!=" + string(v1.PodFailed))
 	if err != nil {
 		return []*v1.Pod{}, err
 	}

-	// INFO(jchaloup): field selectors do not work properly with listers
-	// Once the descheduler switcheds to pod listers (through informers),
-	// We need to flip to client-side filtering.
 	podList, err := client.CoreV1().Pods(v1.NamespaceAll).List(ctx,
 		metav1.ListOptions{FieldSelector: fieldSelector.String()})
 	if err != nil {
 		return []*v1.Pod{}, err
 	}

+	pods := make([]*v1.Pod, 0)
 	for i := range podList.Items {
-		// fake client does not support field selectors
-		// so let's filter based on the node name as well (quite cheap)
-		if podList.Items[i].Spec.NodeName != node.Name {
-			continue
-		}
-		if options.filter != nil && !options.filter(&podList.Items[i]) {
+		if filter != nil && !filter(&podList.Items[i]) {
 			continue
 		}
 		pods = append(pods, &podList.Items[i])
--- a/pkg/descheduler/pod/pods_test.go
+++ b/pkg/descheduler/pod/pods_test.go
@@ -67,7 +67,7 @@ func TestListPodsOnANode(t *testing.T) {
 			}
 			return true, nil, fmt.Errorf("Failed to list: %v", list)
 		})
-		pods, _ := ListPodsOnANode(context.TODO(), fakeClient, testCase.node)
+		pods, _ := ListPodsOnANode(context.TODO(), fakeClient, testCase.node, nil)
 		if len(pods) != testCase.expectedPodCount {
 			t.Errorf("expected %v pods on node %v, got %+v", testCase.expectedPodCount, testCase.node.Name, len(pods))
 		}
--- a/pkg/descheduler/scheme/scheme.go
+++ b/pkg/descheduler/scheme/scheme.go
@@ -19,22 +19,9 @@ package scheme
 import (
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/runtime/serializer"
-	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
-	"sigs.k8s.io/descheduler/pkg/api"
-	"sigs.k8s.io/descheduler/pkg/api/v1alpha1"
-	"sigs.k8s.io/descheduler/pkg/apis/componentconfig"
-	componentconfigv1alpha1 "sigs.k8s.io/descheduler/pkg/apis/componentconfig/v1alpha1"
 )

 var (
 	Scheme = runtime.NewScheme()
 	Codecs = serializer.NewCodecFactory(Scheme)
 )
-
-func init() {
-	utilruntime.Must(api.AddToScheme(Scheme))
-	utilruntime.Must(v1alpha1.AddToScheme(Scheme))
-
-	utilruntime.Must(componentconfig.AddToScheme(Scheme))
-	utilruntime.Must(componentconfigv1alpha1.AddToScheme(Scheme))
-}
--- a/pkg/descheduler/strategies/duplicates.go
+++ b/pkg/descheduler/strategies/duplicates.go
@@ -18,7 +18,6 @@ package strategies

 import (
 	"context"
-	"fmt"
 	"reflect"
 	"sort"
 	"strings"
@@ -32,20 +31,8 @@ import (
 	"sigs.k8s.io/descheduler/pkg/api"
 	"sigs.k8s.io/descheduler/pkg/descheduler/evictions"
 	podutil "sigs.k8s.io/descheduler/pkg/descheduler/pod"
-	"sigs.k8s.io/descheduler/pkg/utils"
 )

-func validateRemoveDuplicatePodsParams(params *api.StrategyParameters) error {
-	if params == nil {
-		return nil
-	}
-	if params.ThresholdPriority != nil && params.ThresholdPriorityClassName != "" {
-		return fmt.Errorf("only one of thresholdPriority and thresholdPriorityClassName can be set")
-	}
-
-	return nil
-}
-
 // RemoveDuplicatePods removes the duplicate pods on node. This strategy evicts all duplicate pods on node.
 // A pod is said to be a duplicate of other if both of them are from same creator, kind and are within the same
 // namespace, and have at least one container with the same image.
@@ -57,21 +44,9 @@ func RemoveDuplicatePods(
 	nodes []*v1.Node,
 	podEvictor *evictions.PodEvictor,
 ) {
-	if err := validateRemoveDuplicatePodsParams(strategy.Params); err != nil {
-		klog.V(1).Info(err)
-		return
-	}
-	thresholdPriority, err := utils.GetPriorityFromStrategyParams(ctx, client, strategy.Params)
-	if err != nil {
-		klog.V(1).Infof("failed to get threshold priority from strategy's params: %#v", err)
-		return
-	}
-
-	evictable := podEvictor.Evictable(evictions.WithPriorityThreshold(thresholdPriority))
-
 	for _, node := range nodes {
 		klog.V(1).Infof("Processing node: %#v", node.Name)
-		pods, err := podutil.ListPodsOnANode(ctx, client, node, podutil.WithFilter(evictable.IsEvictable))
+		pods, err := podutil.ListPodsOnANode(ctx, client, node, podEvictor.IsEvictable)
 		if err != nil {
 			klog.Errorf("error listing evictable pods on node %s: %+v", node.Name, err)
 			continue
@@ -94,7 +69,7 @@ func RemoveDuplicatePods(
 		duplicateKeysMap := map[string][][]string{}
 		for _, pod := range pods {
 			ownerRefList := podutil.OwnerRef(pod)
-			if hasExcludedOwnerRefKind(ownerRefList, strategy) || len(ownerRefList) == 0 {
+			if hasExcludedOwnerRefKind(ownerRefList, strategy) {
 				continue
 			}
 			podContainerKeys := make([]string, 0, len(ownerRefList)*len(pod.Spec.Containers))
--- a/pkg/descheduler/strategies/lownodeutilization.go
+++ b/pkg/descheduler/strategies/lownodeutilization.go
@@ -50,28 +50,13 @@ const (
 	MaxResourcePercentage = 100
 )

-func validateLowNodeUtilizationParams(params *api.StrategyParameters) error {
-	if params == nil || params.NodeResourceUtilizationThresholds == nil {
-		return fmt.Errorf("NodeResourceUtilizationThresholds not set")
-	}
-	if params.ThresholdPriority != nil && params.ThresholdPriorityClassName != "" {
-		return fmt.Errorf("only one of thresholdPriority and thresholdPriorityClassName can be set")
-	}
-
-	return nil
-}
-
 // LowNodeUtilization evicts pods from overutilized nodes to underutilized nodes. Note that CPU/Memory requests are used
 // to calculate nodes' utilization and not the actual resource usage.
 func LowNodeUtilization(ctx context.Context, client clientset.Interface, strategy api.DeschedulerStrategy, nodes []*v1.Node, podEvictor *evictions.PodEvictor) {
+	// todo: move to config validation?
 	// TODO: May be create a struct for the strategy as well, so that we don't have to pass along the all the params?
-	if err := validateLowNodeUtilizationParams(strategy.Params); err != nil {
-		klog.V(1).Info(err)
-		return
-	}
-	thresholdPriority, err := utils.GetPriorityFromStrategyParams(ctx, client, strategy.Params)
-	if err != nil {
-		klog.V(1).Infof("failed to get threshold priority from strategy's params: %#v", err)
+	if strategy.Params == nil || strategy.Params.NodeResourceUtilizationThresholds == nil {
+		klog.V(1).Infof("NodeResourceUtilizationThresholds not set")
 		return
 	}

@@ -126,15 +111,12 @@ func LowNodeUtilization(ctx context.Context, client clientset.Interface, strateg
 		targetThresholds[v1.ResourceCPU], targetThresholds[v1.ResourceMemory], targetThresholds[v1.ResourcePods])
 	klog.V(1).Infof("Total number of nodes above target utilization: %v", len(targetNodes))

-	evictable := podEvictor.Evictable(evictions.WithPriorityThreshold(thresholdPriority))
-
 	evictPodsFromTargetNodes(
 		ctx,
 		targetNodes,
 		lowNodes,
 		targetThresholds,
-		podEvictor,
-		evictable.IsEvictable)
+		podEvictor)

 	klog.V(1).Infof("Total number of pods evicted: %v", podEvictor.TotalEvicted())
 }
@@ -200,10 +182,7 @@ func classifyNodes(npm NodePodsMap, thresholds api.ResourceThresholds, targetThr
 			klog.V(2).Infof("Node %#v is over utilized with usage: %#v", node.Name, usage)
 			targetNodes = append(targetNodes, nuMap)
 		} else {
-			if nodeutil.IsNodeUnschedulable(node) {
-				klog.V(2).Infof("Node %#v is unschedulable", node.Name)
-			}
-			klog.V(2).Infof("Node %#v is utilized with usage: %#v", node.Name, usage)
+			klog.V(2).Infof("Node %#v is appropriately utilized with usage: %#v", node.Name, usage)
 		}
 	}
 	return lowNodes, targetNodes
@@ -217,7 +196,6 @@ func evictPodsFromTargetNodes(
 	targetNodes, lowNodes []NodeUsageMap,
 	targetThresholds api.ResourceThresholds,
 	podEvictor *evictions.PodEvictor,
-	podFilter func(pod *v1.Pod) bool,
 ) {

 	sortNodesByUsage(targetNodes)
@@ -254,7 +232,7 @@ func evictPodsFromTargetNodes(
 		}
 		klog.V(3).Infof("evicting pods from node %#v with usage: %#v", node.node.Name, node.usage)

-		nonRemovablePods, removablePods := classifyPods(node.allPods, podFilter)
+		nonRemovablePods, removablePods := classifyPods(node.allPods, podEvictor)
 		klog.V(2).Infof("allPods:%v, nonRemovablePods:%v, removablePods:%v", len(node.allPods), len(nonRemovablePods), len(removablePods))

 		if len(removablePods) == 0 {
@@ -348,7 +326,7 @@ func sortNodesByUsage(nodes []NodeUsageMap) {
 func createNodePodsMap(ctx context.Context, client clientset.Interface, nodes []*v1.Node) NodePodsMap {
 	npm := NodePodsMap{}
 	for _, node := range nodes {
-		pods, err := podutil.ListPodsOnANode(ctx, client, node)
+		pods, err := podutil.ListPodsOnANode(ctx, client, node, nil)
 		if err != nil {
 			klog.Warningf("node %s will not be processed, error in accessing its pods (%#v)", node.Name, err)
 		} else {
@@ -415,11 +393,11 @@ func nodeUtilization(node *v1.Node, pods []*v1.Pod) api.ResourceThresholds {
 	}
 }

-func classifyPods(pods []*v1.Pod, filter func(pod *v1.Pod) bool) ([]*v1.Pod, []*v1.Pod) {
+func classifyPods(pods []*v1.Pod, evictor *evictions.PodEvictor) ([]*v1.Pod, []*v1.Pod) {
 	var nonRemovablePods, removablePods []*v1.Pod

 	for _, pod := range pods {
-		if !filter(pod) {
+		if !evictor.IsEvictable(pod) {
 			nonRemovablePods = append(nonRemovablePods, pod)
 		} else {
 			removablePods = append(removablePods, pod)
--- a/pkg/descheduler/strategies/lownodeutilization_test.go
+++ b/pkg/descheduler/strategies/lownodeutilization_test.go
@@ -25,7 +25,11 @@ import (
 	v1 "k8s.io/api/core/v1"
 	"k8s.io/api/policy/v1beta1"
 	"k8s.io/apimachinery/pkg/api/resource"
+	"k8s.io/apimachinery/pkg/fields"
 	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/apimachinery/pkg/runtime/serializer"
+	"k8s.io/apimachinery/pkg/watch"
 	"k8s.io/client-go/kubernetes/fake"
 	core "k8s.io/client-go/testing"
 	"sigs.k8s.io/descheduler/pkg/api"
@@ -221,7 +225,7 @@ func TestLowNodeUtilization(t *testing.T) {
 				},
 				n2NodeName: {
 					Items: []v1.Pod{
-						*test.BuildTestPod("p9", 400, 2100, n2NodeName, test.SetRSOwnerRef),
+						*test.BuildTestPod("p9", 400, 2100, n1NodeName, test.SetRSOwnerRef),
 					},
 				},
 				n3NodeName: {},
@@ -557,11 +561,11 @@ func TestValidateStrategyConfig(t *testing.T) {

 		if validateErr == nil || testCase.errInfo == nil {
 			if validateErr != testCase.errInfo {
-				t.Errorf("expected validity of strategy config: thresholds %#v targetThresholds %#v to be %v but got %v instead",
+				t.Errorf("expected validity of strategy config: thresholds %#v targetThresholds %#v\nto be %v but got %v instead",
 					testCase.thresholds, testCase.targetThresholds, testCase.errInfo, validateErr)
 			}
 		} else if validateErr.Error() != testCase.errInfo.Error() {
-			t.Errorf("expected validity of strategy config: thresholds %#v targetThresholds %#v to be %v but got %v instead",
+			t.Errorf("expected validity of strategy config: thresholds %#v targetThresholds %#v\nto be %v but got %v instead",
 				testCase.thresholds, testCase.targetThresholds, testCase.errInfo, validateErr)
 		}
 	}
@@ -638,14 +642,58 @@ func TestValidateThresholds(t *testing.T) {

 		if validateErr == nil || test.errInfo == nil {
 			if validateErr != test.errInfo {
-				t.Errorf("expected validity of threshold: %#v to be %v but got %v instead", test.input, test.errInfo, validateErr)
+				t.Errorf("expected validity of threshold: %#v\nto be %v but got %v instead", test.input, test.errInfo, validateErr)
 			}
 		} else if validateErr.Error() != test.errInfo.Error() {
-			t.Errorf("expected validity of threshold: %#v to be %v but got %v instead", test.input, test.errInfo, validateErr)
+			t.Errorf("expected validity of threshold: %#v\nto be %v but got %v instead", test.input, test.errInfo, validateErr)
 		}
 	}
 }

+func newFake(objects ...runtime.Object) *core.Fake {
+	scheme := runtime.NewScheme()
+	codecs := serializer.NewCodecFactory(scheme)
+	fake.AddToScheme(scheme)
+	o := core.NewObjectTracker(scheme, codecs.UniversalDecoder())
+	for _, obj := range objects {
+		if err := o.Add(obj); err != nil {
+			panic(err)
+		}
+	}
+
+	fakePtr := core.Fake{}
+	fakePtr.AddReactor("list", "pods", func(action core.Action) (bool, runtime.Object, error) {
+		objs, err := o.List(
+			schema.GroupVersionResource{Group: "", Version: "v1", Resource: "pods"},
+			schema.GroupVersionKind{Group: "", Version: "v1", Kind: "Pod"},
+			action.GetNamespace(),
+		)
+		if err != nil {
+			return true, nil, err
+		}
+
+		obj := &v1.PodList{
+			Items: []v1.Pod{},
+		}
+		for _, pod := range objs.(*v1.PodList).Items {
+			podFieldSet := fields.Set(map[string]string{
+				"spec.nodeName": pod.Spec.NodeName,
+				"status.phase":  string(pod.Status.Phase),
+			})
+			match := action.(core.ListAction).GetListRestrictions().Fields.Matches(podFieldSet)
+			if !match {
+				continue
+			}
+			obj.Items = append(obj.Items, *pod.DeepCopy())
+		}
+		return true, obj, nil
+	})
+	fakePtr.AddReactor("*", "*", core.ObjectReaction(o))
+	fakePtr.AddWatchReactor("*", core.DefaultWatchReactor(watch.NewFake(), nil))
+
+	return &fakePtr
+}
+
 func TestWithTaints(t *testing.T) {
 	ctx := context.Background()
 	strategy := api.DeschedulerStrategy{
@@ -755,10 +803,18 @@ func TestWithTaints(t *testing.T) {
 				objs = append(objs, pod)
 			}

-			fakeClient := fake.NewSimpleClientset(objs...)
+			fakePtr := newFake(objs...)
+			var evictionCounter int
+			fakePtr.PrependReactor("create", "pods", func(action core.Action) (bool, runtime.Object, error) {
+				if action.GetSubresource() != "eviction" || action.GetResource().Resource != "pods" {
+					return false, nil, nil
+				}
+				evictionCounter++
+				return true, nil, nil
+			})

 			podEvictor := evictions.NewPodEvictor(
-				fakeClient,
+				&fake.Clientset{Fake: *fakePtr},
 				"policy/v1",
 				false,
 				item.evictionsExpected,
@@ -766,10 +822,10 @@ func TestWithTaints(t *testing.T) {
 				false,
 			)

-			LowNodeUtilization(ctx, fakeClient, strategy, item.nodes, podEvictor)
+			LowNodeUtilization(ctx, &fake.Clientset{Fake: *fakePtr}, strategy, item.nodes, podEvictor)

-			if item.evictionsExpected != podEvictor.TotalEvicted() {
-				t.Errorf("Expected %v evictions, got %v", item.evictionsExpected, podEvictor.TotalEvicted())
+			if item.evictionsExpected != evictionCounter {
+				t.Errorf("Expected %v evictions, got %v", item.evictionsExpected, evictionCounter)
 			}
 		})
 	}
--- a/pkg/descheduler/strategies/node_affinity.go
+++ b/pkg/descheduler/strategies/node_affinity.go
@@ -18,7 +18,6 @@ package strategies

 import (
 	"context"
-	"fmt"

 	v1 "k8s.io/api/core/v1"
 	clientset "k8s.io/client-go/kubernetes"
@@ -28,44 +27,14 @@ import (
 	"sigs.k8s.io/descheduler/pkg/descheduler/evictions"
 	nodeutil "sigs.k8s.io/descheduler/pkg/descheduler/node"
 	podutil "sigs.k8s.io/descheduler/pkg/descheduler/pod"
-	"sigs.k8s.io/descheduler/pkg/utils"
 )

-func validatePodsViolatingNodeAffinityParams(params *api.StrategyParameters) error {
-	if params == nil || len(params.NodeAffinityType) == 0 {
-		return fmt.Errorf("NodeAffinityType is empty")
-	}
-	// At most one of include/exclude can be set
-	if params.Namespaces != nil && len(params.Namespaces.Include) > 0 && len(params.Namespaces.Exclude) > 0 {
-		return fmt.Errorf("only one of Include/Exclude namespaces can be set")
-	}
-	if params.ThresholdPriority != nil && params.ThresholdPriorityClassName != "" {
-		return fmt.Errorf("only one of thresholdPriority and thresholdPriorityClassName can be set")
-	}
-
-	return nil
-}
-
 // RemovePodsViolatingNodeAffinity evicts pods on nodes which violate node affinity
 func RemovePodsViolatingNodeAffinity(ctx context.Context, client clientset.Interface, strategy api.DeschedulerStrategy, nodes []*v1.Node, podEvictor *evictions.PodEvictor) {
-	if err := validatePodsViolatingNodeAffinityParams(strategy.Params); err != nil {
-		klog.V(1).Info(err)
+	if strategy.Params == nil {
+		klog.V(1).Infof("NodeAffinityType not set")
 		return
 	}
-	thresholdPriority, err := utils.GetPriorityFromStrategyParams(ctx, client, strategy.Params)
-	if err != nil {
-		klog.V(1).Infof("failed to get threshold priority from strategy's params: %#v", err)
-		return
-	}
-
-	var includedNamespaces, excludedNamespaces []string
-	if strategy.Params.Namespaces != nil {
-		includedNamespaces = strategy.Params.Namespaces.Include
-		excludedNamespaces = strategy.Params.Namespaces.Exclude
-	}
-
-	evictable := podEvictor.Evictable(evictions.WithPriorityThreshold(thresholdPriority))
-
 	for _, nodeAffinity := range strategy.Params.NodeAffinityType {
 		klog.V(2).Infof("Executing for nodeAffinityType: %v", nodeAffinity)

@@ -74,18 +43,11 @@ func RemovePodsViolatingNodeAffinity(ctx context.Context, client clientset.Inter
 			for _, node := range nodes {
 				klog.V(1).Infof("Processing node: %#v\n", node.Name)

-				pods, err := podutil.ListPodsOnANode(
-					ctx,
-					client,
-					node,
-					podutil.WithFilter(func(pod *v1.Pod) bool {
-						return evictable.IsEvictable(pod) &&
-							!nodeutil.PodFitsCurrentNode(pod, node) &&
-							nodeutil.PodFitsAnyNode(pod, nodes)
-					}),
-					podutil.WithNamespaces(includedNamespaces),
-					podutil.WithoutNamespaces(excludedNamespaces),
-				)
+				pods, err := podutil.ListPodsOnANode(ctx, client, node, func(pod *v1.Pod) bool {
+					return podEvictor.IsEvictable(pod) &&
+						!nodeutil.PodFitsCurrentNode(pod, node) &&
+						nodeutil.PodFitsAnyNode(pod, nodes)
+				})
 				if err != nil {
 					klog.Errorf("failed to get pods from %v: %v", node.Name, err)
 				}
--- a/pkg/descheduler/strategies/node_taint.go
+++ b/pkg/descheduler/strategies/node_taint.go
@@ -18,7 +18,6 @@ package strategies

 import (
 	"context"
-	"fmt"

 	"sigs.k8s.io/descheduler/pkg/api"
 	"sigs.k8s.io/descheduler/pkg/descheduler/evictions"
@@ -30,53 +29,11 @@ import (
 	"k8s.io/klog/v2"
 )

-func validateRemovePodsViolatingNodeTaintsParams(params *api.StrategyParameters) error {
-	if params == nil {
-		return nil
-	}
-
-	// At most one of include/exclude can be set
-	if params.Namespaces != nil && len(params.Namespaces.Include) > 0 && len(params.Namespaces.Exclude) > 0 {
-		return fmt.Errorf("only one of Include/Exclude namespaces can be set")
-	}
-	if params.ThresholdPriority != nil && params.ThresholdPriorityClassName != "" {
-		return fmt.Errorf("only one of thresholdPriority and thresholdPriorityClassName can be set")
-	}
-
-	return nil
-}
-
 // RemovePodsViolatingNodeTaints evicts pods on the node which violate NoSchedule Taints on nodes
 func RemovePodsViolatingNodeTaints(ctx context.Context, client clientset.Interface, strategy api.DeschedulerStrategy, nodes []*v1.Node, podEvictor *evictions.PodEvictor) {
-	if err := validateRemovePodsViolatingNodeTaintsParams(strategy.Params); err != nil {
-		klog.V(1).Info(err)
-		return
-	}
-
-	var includedNamespaces, excludedNamespaces []string
-	if strategy.Params != nil && strategy.Params.Namespaces != nil {
-		includedNamespaces = strategy.Params.Namespaces.Include
-		excludedNamespaces = strategy.Params.Namespaces.Exclude
-	}
-
-	thresholdPriority, err := utils.GetPriorityFromStrategyParams(ctx, client, strategy.Params)
-	if err != nil {
-		klog.V(1).Infof("failed to get threshold priority from strategy's params: %#v", err)
-		return
-	}
-
-	evictable := podEvictor.Evictable(evictions.WithPriorityThreshold(thresholdPriority))
-
 	for _, node := range nodes {
 		klog.V(1).Infof("Processing node: %#v\n", node.Name)
-		pods, err := podutil.ListPodsOnANode(
-			ctx,
-			client,
-			node,
-			podutil.WithFilter(evictable.IsEvictable),
-			podutil.WithNamespaces(includedNamespaces),
-			podutil.WithoutNamespaces(excludedNamespaces),
-		)
+		pods, err := podutil.ListPodsOnANode(ctx, client, node, podEvictor.IsEvictable)
 		if err != nil {
 			//no pods evicted as error encountered retrieving evictable Pods
 			return
--- a/pkg/descheduler/strategies/pod_antiaffinity.go
+++ b/pkg/descheduler/strategies/pod_antiaffinity.go
@@ -18,66 +18,22 @@ package strategies

 import (
 	"context"
-	"fmt"
-
 	"sigs.k8s.io/descheduler/pkg/api"
 	"sigs.k8s.io/descheduler/pkg/descheduler/evictions"
 	podutil "sigs.k8s.io/descheduler/pkg/descheduler/pod"
 	"sigs.k8s.io/descheduler/pkg/utils"

-	v1 "k8s.io/api/core/v1"
+	"k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	clientset "k8s.io/client-go/kubernetes"
 	"k8s.io/klog/v2"
 )

-func validateRemovePodsViolatingInterPodAntiAffinityParams(params *api.StrategyParameters) error {
-	if params == nil {
-		return nil
-	}
-
-	// At most one of include/exclude can be set
-	if params.Namespaces != nil && len(params.Namespaces.Include) > 0 && len(params.Namespaces.Exclude) > 0 {
-		return fmt.Errorf("only one of Include/Exclude namespaces can be set")
-	}
-	if params.ThresholdPriority != nil && params.ThresholdPriorityClassName != "" {
-		return fmt.Errorf("only one of thresholdPriority and thresholdPriorityClassName can be set")
-	}
-
-	return nil
-}
-
 // RemovePodsViolatingInterPodAntiAffinity evicts pods on the node which are having a pod affinity rules.
 func RemovePodsViolatingInterPodAntiAffinity(ctx context.Context, client clientset.Interface, strategy api.DeschedulerStrategy, nodes []*v1.Node, podEvictor *evictions.PodEvictor) {
-	if err := validateRemovePodsViolatingInterPodAntiAffinityParams(strategy.Params); err != nil {
-		klog.V(1).Info(err)
-		return
-	}
-
-	var includedNamespaces, excludedNamespaces []string
-	if strategy.Params != nil && strategy.Params.Namespaces != nil {
-		includedNamespaces = strategy.Params.Namespaces.Include
-		excludedNamespaces = strategy.Params.Namespaces.Exclude
-	}
-
-	thresholdPriority, err := utils.GetPriorityFromStrategyParams(ctx, client, strategy.Params)
-	if err != nil {
-		klog.V(1).Infof("failed to get threshold priority from strategy's params: %#v", err)
-		return
-	}
-
-	evictable := podEvictor.Evictable(evictions.WithPriorityThreshold(thresholdPriority))
-
 	for _, node := range nodes {
 		klog.V(1).Infof("Processing node: %#v\n", node.Name)
-		pods, err := podutil.ListPodsOnANode(
-			ctx,
-			client,
-			node,
-			podutil.WithFilter(evictable.IsEvictable),
-			podutil.WithNamespaces(includedNamespaces),
-			podutil.WithoutNamespaces(excludedNamespaces),
-		)
+		pods, err := podutil.ListPodsOnANode(ctx, client, node, podEvictor.IsEvictable)
 		if err != nil {
 			return
 		}
--- a/pkg/descheduler/strategies/pod_lifetime.go
+++ b/pkg/descheduler/strategies/pod_lifetime.go
@@ -18,7 +18,6 @@ package strategies

 import (
 	"context"
-	"fmt"

 	v1 "k8s.io/api/core/v1"
 	v1meta "k8s.io/apimachinery/pkg/apis/meta/v1"
@@ -28,50 +27,18 @@ import (
 	"sigs.k8s.io/descheduler/pkg/api"
 	"sigs.k8s.io/descheduler/pkg/descheduler/evictions"
 	podutil "sigs.k8s.io/descheduler/pkg/descheduler/pod"
-	"sigs.k8s.io/descheduler/pkg/utils"
 )

-func validatePodLifeTimeParams(params *api.StrategyParameters) error {
-	if params == nil || params.MaxPodLifeTimeSeconds == nil {
-		return fmt.Errorf("MaxPodLifeTimeSeconds not set")
-	}
-
-	// At most one of include/exclude can be set
-	if params.Namespaces != nil && len(params.Namespaces.Include) > 0 && len(params.Namespaces.Exclude) > 0 {
-		return fmt.Errorf("only one of Include/Exclude namespaces can be set")
-	}
-	if params.ThresholdPriority != nil && params.ThresholdPriorityClassName != "" {
-		return fmt.Errorf("only one of thresholdPriority and thresholdPriorityClassName can be set")
-	}
-
-	return nil
-}
-
 // PodLifeTime evicts pods on nodes that were created more than strategy.Params.MaxPodLifeTimeSeconds seconds ago.
 func PodLifeTime(ctx context.Context, client clientset.Interface, strategy api.DeschedulerStrategy, nodes []*v1.Node, podEvictor *evictions.PodEvictor) {
-	if err := validatePodLifeTimeParams(strategy.Params); err != nil {
-		klog.V(1).Info(err)
+	if strategy.Params == nil || strategy.Params.MaxPodLifeTimeSeconds == nil {
+		klog.V(1).Infof("MaxPodLifeTimeSeconds not set")
 		return
 	}

-	thresholdPriority, err := utils.GetPriorityFromStrategyParams(ctx, client, strategy.Params)
-	if err != nil {
-		klog.V(1).Infof("failed to get threshold priority from strategy's params: %#v", err)
-		return
-	}
-
-	var includedNamespaces, excludedNamespaces []string
-	if strategy.Params.Namespaces != nil {
-		includedNamespaces = strategy.Params.Namespaces.Include
-		excludedNamespaces = strategy.Params.Namespaces.Exclude
-	}
-
-	evictable := podEvictor.Evictable(evictions.WithPriorityThreshold(thresholdPriority))
-
 	for _, node := range nodes {
 		klog.V(1).Infof("Processing node: %#v", node.Name)
-
-		pods := listOldPodsOnNode(ctx, client, node, includedNamespaces, excludedNamespaces, *strategy.Params.MaxPodLifeTimeSeconds, evictable.IsEvictable)
+		pods := listOldPodsOnNode(ctx, client, node, *strategy.Params.MaxPodLifeTimeSeconds, podEvictor)
 		for _, pod := range pods {
 			success, err := podEvictor.EvictPod(ctx, pod, node, "PodLifeTime")
 			if success {
@@ -83,19 +50,11 @@ func PodLifeTime(ctx context.Context, client clientset.Interface, strategy api.D
 				break
 			}
 		}
-
 	}
 }

-func listOldPodsOnNode(ctx context.Context, client clientset.Interface, node *v1.Node, includedNamespaces, excludedNamespaces []string, maxPodLifeTimeSeconds uint, filter func(pod *v1.Pod) bool) []*v1.Pod {
-	pods, err := podutil.ListPodsOnANode(
-		ctx,
-		client,
-		node,
-		podutil.WithFilter(filter),
-		podutil.WithNamespaces(includedNamespaces),
-		podutil.WithoutNamespaces(excludedNamespaces),
-	)
+func listOldPodsOnNode(ctx context.Context, client clientset.Interface, node *v1.Node, maxAge uint, evictor *evictions.PodEvictor) []*v1.Pod {
+	pods, err := podutil.ListPodsOnANode(ctx, client, node, evictor.IsEvictable)
 	if err != nil {
 		return nil
 	}
@@ -103,7 +62,7 @@ func listOldPodsOnNode(ctx context.Context, client clientset.Interface, node *v1
 	var oldPods []*v1.Pod
 	for _, pod := range pods {
 		podAgeSeconds := uint(v1meta.Now().Sub(pod.GetCreationTimestamp().Local()).Seconds())
-		if podAgeSeconds > maxPodLifeTimeSeconds {
+		if podAgeSeconds > maxAge {
 			oldPods = append(oldPods, pod)
 		}
 	}
--- a/pkg/descheduler/strategies/toomanyrestarts.go
+++ b/pkg/descheduler/strategies/toomanyrestarts.go
@@ -18,7 +18,6 @@ package strategies

 import (
 	"context"
-	"fmt"

 	v1 "k8s.io/api/core/v1"
 	clientset "k8s.io/client-go/kubernetes"
@@ -27,58 +26,19 @@ import (
 	"sigs.k8s.io/descheduler/pkg/api"
 	"sigs.k8s.io/descheduler/pkg/descheduler/evictions"
 	podutil "sigs.k8s.io/descheduler/pkg/descheduler/pod"
-	"sigs.k8s.io/descheduler/pkg/utils"
 )

-func validateRemovePodsHavingTooManyRestartsParams(params *api.StrategyParameters) error {
-	if params == nil || params.PodsHavingTooManyRestarts == nil || params.PodsHavingTooManyRestarts.PodRestartThreshold < 1 {
-		return fmt.Errorf("PodsHavingTooManyRestarts threshold not set")
-	}
-
-	// At most one of include/exclude can be set
-	if params.Namespaces != nil && len(params.Namespaces.Include) > 0 && len(params.Namespaces.Exclude) > 0 {
-		return fmt.Errorf("only one of Include/Exclude namespaces can be set")
-	}
-	if params.ThresholdPriority != nil && params.ThresholdPriorityClassName != "" {
-		return fmt.Errorf("only one of thresholdPriority and thresholdPriorityClassName can be set")
-	}
-
-	return nil
-}
-
 // RemovePodsHavingTooManyRestarts removes the pods that have too many restarts on node.
 // There are too many cases leading this issue: Volume mount failed, app error due to nodes' different settings.
 // As of now, this strategy won't evict daemonsets, mirror pods, critical pods and pods with local storages.
 func RemovePodsHavingTooManyRestarts(ctx context.Context, client clientset.Interface, strategy api.DeschedulerStrategy, nodes []*v1.Node, podEvictor *evictions.PodEvictor) {
-	if err := validateRemovePodsHavingTooManyRestartsParams(strategy.Params); err != nil {
-		klog.V(1).Info(err)
+	if strategy.Params == nil || strategy.Params.PodsHavingTooManyRestarts == nil || strategy.Params.PodsHavingTooManyRestarts.PodRestartThreshold < 1 {
+		klog.V(1).Infof("PodsHavingTooManyRestarts thresholds not set")
 		return
 	}
-
-	thresholdPriority, err := utils.GetPriorityFromStrategyParams(ctx, client, strategy.Params)
-	if err != nil {
-		klog.V(1).Infof("failed to get threshold priority from strategy's params: %#v", err)
-		return
-	}
-
-	var includedNamespaces, excludedNamespaces []string
-	if strategy.Params.Namespaces != nil {
-		includedNamespaces = strategy.Params.Namespaces.Include
-		excludedNamespaces = strategy.Params.Namespaces.Exclude
-	}
-
-	evictable := podEvictor.Evictable(evictions.WithPriorityThreshold(thresholdPriority))
-
 	for _, node := range nodes {
 		klog.V(1).Infof("Processing node: %s", node.Name)
-		pods, err := podutil.ListPodsOnANode(
-			ctx,
-			client,
-			node,
-			podutil.WithFilter(evictable.IsEvictable),
-			podutil.WithNamespaces(includedNamespaces),
-			podutil.WithoutNamespaces(excludedNamespaces),
-		)
+		pods, err := podutil.ListPodsOnANode(ctx, client, node, podEvictor.IsEvictable)
 		if err != nil {
 			klog.Errorf("Error when list pods at node %s", node.Name)
 			continue
--- a/pkg/utils/pod.go
+++ b/pkg/utils/pod.go
@@ -104,23 +104,25 @@ func GetPodSource(pod *v1.Pod) (string, error) {
 	return "", fmt.Errorf("cannot get source of pod %q", pod.UID)
 }

-// IsCriticalPod returns true if the pod is a static or mirror pod.
+// IsCriticalPod returns true if pod's priority is greater than or equal to SystemCriticalPriority.
 func IsCriticalPod(pod *v1.Pod) bool {
 	if IsStaticPod(pod) {
 		return true
 	}
-
 	if IsMirrorPod(pod) {
 		return true
 	}
-
-	if pod.Spec.Priority != nil && *pod.Spec.Priority >= SystemCriticalPriority {
+	if pod.Spec.Priority != nil && IsCriticalPodBasedOnPriority(*pod.Spec.Priority) {
 		return true
 	}
-
 	return false
 }

+// IsCriticalPodBasedOnPriority checks if the given pod is a critical pod based on priority resolved from pod Spec.
+func IsCriticalPodBasedOnPriority(priority int32) bool {
+	return priority >= SystemCriticalPriority
+}
+
 // PodRequestsAndLimits returns a dictionary of all defined resources summed up for all
 // containers of the pod. If PodOverhead feature is enabled, pod overhead is added to the
 // total container resource requests and to the total container limits which have a
--- a/pkg/utils/priority.go
+++ b/pkg/utils/priority.go
@@ -1,15 +1,9 @@
 package utils

 import (
-	"context"
-	"fmt"
-
 	v1 "k8s.io/api/core/v1"
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/labels"
 	"k8s.io/apimachinery/pkg/util/sets"
-	clientset "k8s.io/client-go/kubernetes"
-	"sigs.k8s.io/descheduler/pkg/api"
 )

 const SystemCriticalPriority = 2 * int32(1000000000)
@@ -39,36 +33,3 @@ func PodMatchesTermsNamespaceAndSelector(pod *v1.Pod, namespaces sets.String, se
 	}
 	return true
 }
-
-// GetPriorityFromPriorityClass gets priority from the given priority class.
-// If no priority class is provided, it will return SystemCriticalPriority by default.
-func GetPriorityFromPriorityClass(ctx context.Context, client clientset.Interface, name string) (int32, error) {
-	if name != "" {
-		priorityClass, err := client.SchedulingV1().PriorityClasses().Get(ctx, name, metav1.GetOptions{})
-		if err != nil {
-			return 0, err
-		}
-		return priorityClass.Value, nil
-	}
-	return SystemCriticalPriority, nil
-}
-
-// GetPriorityFromStrategyParams gets priority from the given StrategyParameters.
-// It will return SystemCriticalPriority by default.
-func GetPriorityFromStrategyParams(ctx context.Context, client clientset.Interface, params *api.StrategyParameters) (priority int32, err error) {
-	if params == nil {
-		return SystemCriticalPriority, nil
-	}
-	if params.ThresholdPriority != nil {
-		priority = *params.ThresholdPriority
-	} else {
-		priority, err = GetPriorityFromPriorityClass(ctx, client, params.ThresholdPriorityClassName)
-		if err != nil {
-			return
-		}
-	}
-	if priority > SystemCriticalPriority {
-		return 0, fmt.Errorf("Priority threshold can't be greater than %d", SystemCriticalPriority)
-	}
-	return
-}
--- a/test/e2e/e2e_test.go
+++ b/test/e2e/e2e_test.go
@@ -20,16 +20,13 @@ import (
 	"context"
 	"math"
 	"os"
-	"sort"
 	"strings"
 	"testing"
 	"time"

 	v1 "k8s.io/api/core/v1"
-	schedulingv1 "k8s.io/api/scheduling/v1"
 	"k8s.io/apimachinery/pkg/api/resource"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	"k8s.io/apimachinery/pkg/labels"
 	"k8s.io/apimachinery/pkg/util/wait"
 	"k8s.io/client-go/informers"
 	coreinformers "k8s.io/client-go/informers/core/v1"
@@ -48,7 +45,7 @@ import (
 	"sigs.k8s.io/descheduler/pkg/descheduler/strategies"
 )

-func MakePodSpec(priorityClassName string) v1.PodSpec {
+func MakePodSpec() v1.PodSpec {
 	return v1.PodSpec{
 		Containers: []v1.Container{{
 			Name:            "pause",
@@ -66,12 +63,11 @@ func MakePodSpec(priorityClassName string) v1.PodSpec {
 				},
 			},
 		}},
-		PriorityClassName: priorityClassName,
 	}
 }

 // RcByNameContainer returns a ReplicationControoler with specified name and container
-func RcByNameContainer(name, namespace string, replicas int32, labels map[string]string, gracePeriod *int64, priorityClassName string) *v1.ReplicationController {
+func RcByNameContainer(name, namespace string, replicas int32, labels map[string]string, gracePeriod *int64) *v1.ReplicationController {
 	zeroGracePeriod := int64(0)

 	// Add "name": name to the labels, overwriting if it exists.
@@ -97,7 +93,7 @@ func RcByNameContainer(name, namespace string, replicas int32, labels map[string
 				ObjectMeta: metav1.ObjectMeta{
 					Labels: labels,
 				},
-				Spec: MakePodSpec(priorityClassName),
+				Spec: MakePodSpec(),
 			},
 		},
 	}
@@ -138,29 +134,23 @@ func startEndToEndForLowNodeUtilization(ctx context.Context, clientset clientset
 	time.Sleep(10 * time.Second)
 }

-func initializeClient(t *testing.T) (clientset.Interface, coreinformers.NodeInformer, chan struct{}) {
+func TestLowNodeUtilization(t *testing.T) {
+	ctx := context.Background()
+
 	clientSet, err := client.CreateClient(os.Getenv("KUBECONFIG"))
 	if err != nil {
 		t.Errorf("Error during client creation with %v", err)
 	}

-	stopChannel := make(chan struct{})
+	stopChannel := make(chan struct{}, 0)

 	sharedInformerFactory := informers.NewSharedInformerFactory(clientSet, 0)
 	sharedInformerFactory.Start(stopChannel)
 	sharedInformerFactory.WaitForCacheSync(stopChannel)
+	defer close(stopChannel)

 	nodeInformer := sharedInformerFactory.Core().V1().Nodes()

-	return clientSet, nodeInformer, stopChannel
-}
-
-func TestLowNodeUtilization(t *testing.T) {
-	ctx := context.Background()
-
-	clientSet, nodeInformer, stopCh := initializeClient(t)
-	defer close(stopCh)
-
 	nodeList, err := clientSet.CoreV1().Nodes().List(ctx, metav1.ListOptions{})
 	if err != nil {
 		t.Errorf("Error listing node with %v", err)
@@ -178,7 +168,7 @@ func TestLowNodeUtilization(t *testing.T) {
 	}
 	defer clientSet.CoreV1().Namespaces().Delete(ctx, testNamespace.Name, metav1.DeleteOptions{})

-	rc := RcByNameContainer("test-rc-node-utilization", testNamespace.Name, int32(15), map[string]string{"test": "node-utilization"}, nil, "")
+	rc := RcByNameContainer("test-rc-node-utilization", testNamespace.Name, int32(15), map[string]string{"test": "node-utilization"}, nil)
 	if _, err := clientSet.CoreV1().ReplicationControllers(rc.Namespace).Create(ctx, rc, metav1.CreateOptions{}); err != nil {
 		t.Errorf("Error creating deployment %v", err)
 	}
@@ -187,340 +177,22 @@ func TestLowNodeUtilization(t *testing.T) {
 	deleteRC(ctx, t, clientSet, rc)
 }

-func runPodLifetimeStrategy(ctx context.Context, clientset clientset.Interface, nodeInformer coreinformers.NodeInformer, namespaces *deschedulerapi.Namespaces, priorityClass string, priority *int32) {
-	// Run descheduler.
-	evictionPolicyGroupVersion, err := eutils.SupportEviction(clientset)
-	if err != nil || len(evictionPolicyGroupVersion) == 0 {
-		klog.Fatalf("%v", err)
-	}
-
-	nodes, err := nodeutil.ReadyNodes(ctx, clientset, nodeInformer, "", nil)
-	if err != nil {
-		klog.Fatalf("%v", err)
-	}
-
-	maxPodLifeTimeSeconds := uint(1)
-	strategies.PodLifeTime(
-		ctx,
-		clientset,
-		deschedulerapi.DeschedulerStrategy{
-			Enabled: true,
-			Params: &deschedulerapi.StrategyParameters{
-				MaxPodLifeTimeSeconds:      &maxPodLifeTimeSeconds,
-				Namespaces:                 namespaces,
-				ThresholdPriority:          priority,
-				ThresholdPriorityClassName: priorityClass,
-			},
-		},
-		nodes,
-		evictions.NewPodEvictor(
-			clientset,
-			evictionPolicyGroupVersion,
-			false,
-			0,
-			nodes,
-			false,
-		),
-	)
-}
-
-func getPodNames(pods []v1.Pod) []string {
-	names := []string{}
-	for _, pod := range pods {
-		names = append(names, pod.Name)
-	}
-	return names
-}
-
-func intersectStrings(lista, listb []string) []string {
-	commonNames := []string{}
-
-	for _, stra := range lista {
-		for _, strb := range listb {
-			if stra == strb {
-				commonNames = append(commonNames, stra)
-				break
-			}
-		}
-	}
-
-	return commonNames
-}
-
-// TODO(jchaloup): add testcases for two included/excluded namespaces
-
-func TestNamespaceConstraintsInclude(t *testing.T) {
-	ctx := context.Background()
-
-	clientSet, nodeInformer, stopCh := initializeClient(t)
-	defer close(stopCh)
-
-	testNamespace := &v1.Namespace{ObjectMeta: metav1.ObjectMeta{Name: "e2e-" + strings.ToLower(t.Name())}}
-	if _, err := clientSet.CoreV1().Namespaces().Create(ctx, testNamespace, metav1.CreateOptions{}); err != nil {
-		t.Fatalf("Unable to create ns %v", testNamespace.Name)
-	}
-	defer clientSet.CoreV1().Namespaces().Delete(ctx, testNamespace.Name, metav1.DeleteOptions{})
-
-	rc := RcByNameContainer("test-rc-podlifetime", testNamespace.Name, 5, map[string]string{"test": "podlifetime-include"}, nil, "")
-	if _, err := clientSet.CoreV1().ReplicationControllers(rc.Namespace).Create(ctx, rc, metav1.CreateOptions{}); err != nil {
-		t.Errorf("Error creating deployment %v", err)
-	}
-	defer deleteRC(ctx, t, clientSet, rc)
-
-	// wait for a while so all the pods are at least few seconds older
-	time.Sleep(5 * time.Second)
-
-	// it's assumed all new pods are named differently from currently running -> no name collision
-	podList, err := clientSet.CoreV1().Pods(rc.Namespace).List(ctx, metav1.ListOptions{LabelSelector: labels.SelectorFromSet(rc.Spec.Template.Labels).String()})
-	if err != nil {
-		t.Fatalf("Unable to list pods: %v", err)
-	}
-
-	if len(podList.Items) != 5 {
-		t.Fatalf("Expected 5 replicas, got %v instead", len(podList.Items))
-	}
-
-	initialPodNames := getPodNames(podList.Items)
-	sort.Strings(initialPodNames)
-	t.Logf("Existing pods: %v", initialPodNames)
-
-	t.Logf("set the strategy to delete pods from %v namespace", rc.Namespace)
-	runPodLifetimeStrategy(ctx, clientSet, nodeInformer, &deschedulerapi.Namespaces{
-		Include: []string{rc.Namespace},
-	}, "", nil)
-
-	// All pods are supposed to be deleted, wait until all the old pods are deleted
-	if err := wait.PollImmediate(time.Second, 20*time.Second, func() (bool, error) {
-		podList, err := clientSet.CoreV1().Pods(rc.Namespace).List(ctx, metav1.ListOptions{LabelSelector: labels.SelectorFromSet(rc.Spec.Template.Labels).String()})
-		if err != nil {
-			return false, nil
-		}
-
-		includePodNames := getPodNames(podList.Items)
-		// validate all pod were deleted
-		if len(intersectStrings(initialPodNames, includePodNames)) > 0 {
-			t.Logf("Waiting until %v pods get deleted", intersectStrings(initialPodNames, includePodNames))
-			// check if there's at least one pod not in Terminating state
-			for _, pod := range podList.Items {
-				// In case podList contains newly created pods
-				if len(intersectStrings(initialPodNames, []string{pod.Name})) == 0 {
-					continue
-				}
-				if pod.DeletionTimestamp == nil {
-					t.Logf("Pod %v not in terminating state", pod.Name)
-					return false, nil
-				}
-			}
-			t.Logf("All %v pods are terminating", intersectStrings(initialPodNames, includePodNames))
-		}
-
-		return true, nil
-	}); err != nil {
-		t.Fatalf("Error waiting for pods to be deleted: %v", err)
-	}
-}
-
-func TestNamespaceConstraintsExclude(t *testing.T) {
-	ctx := context.Background()
-
-	clientSet, nodeInformer, stopCh := initializeClient(t)
-	defer close(stopCh)
-
-	testNamespace := &v1.Namespace{ObjectMeta: metav1.ObjectMeta{Name: "e2e-" + strings.ToLower(t.Name())}}
-	if _, err := clientSet.CoreV1().Namespaces().Create(ctx, testNamespace, metav1.CreateOptions{}); err != nil {
-		t.Fatalf("Unable to create ns %v", testNamespace.Name)
-	}
-	defer clientSet.CoreV1().Namespaces().Delete(ctx, testNamespace.Name, metav1.DeleteOptions{})
-
-	rc := RcByNameContainer("test-rc-podlifetime", testNamespace.Name, 5, map[string]string{"test": "podlifetime-exclude"}, nil, "")
-	if _, err := clientSet.CoreV1().ReplicationControllers(rc.Namespace).Create(ctx, rc, metav1.CreateOptions{}); err != nil {
-		t.Errorf("Error creating deployment %v", err)
-	}
-	defer deleteRC(ctx, t, clientSet, rc)
-
-	// wait for a while so all the pods are at least few seconds older
-	time.Sleep(5 * time.Second)
-
-	// it's assumed all new pods are named differently from currently running -> no name collision
-	podList, err := clientSet.CoreV1().Pods(rc.Namespace).List(ctx, metav1.ListOptions{LabelSelector: labels.SelectorFromSet(rc.Spec.Template.Labels).String()})
-	if err != nil {
-		t.Fatalf("Unable to list pods: %v", err)
-	}
-
-	if len(podList.Items) != 5 {
-		t.Fatalf("Expected 5 replicas, got %v instead", len(podList.Items))
-	}
-
-	initialPodNames := getPodNames(podList.Items)
-	sort.Strings(initialPodNames)
-	t.Logf("Existing pods: %v", initialPodNames)
-
-	t.Logf("set the strategy to delete pods from namespaces except the %v namespace", rc.Namespace)
-	runPodLifetimeStrategy(ctx, clientSet, nodeInformer, &deschedulerapi.Namespaces{
-		Exclude: []string{rc.Namespace},
-	}, "", nil)
-
-	t.Logf("Waiting 10s")
-	time.Sleep(10 * time.Second)
-	podList, err = clientSet.CoreV1().Pods(rc.Namespace).List(ctx, metav1.ListOptions{LabelSelector: labels.SelectorFromSet(rc.Spec.Template.Labels).String()})
-	if err != nil {
-		t.Fatalf("Unable to list pods after running strategy: %v", err)
-	}
-
-	excludePodNames := getPodNames(podList.Items)
-	sort.Strings(excludePodNames)
-	t.Logf("Existing pods: %v", excludePodNames)
-
-	// validate no pods were deleted
-	if len(intersectStrings(initialPodNames, excludePodNames)) != 5 {
-		t.Fatalf("None of %v pods are expected to be deleted", initialPodNames)
-	}
-}
-
-func TestThresholdPriority(t *testing.T) {
-	testPriority(t, false)
-}
-
-func TestThresholdPriorityClass(t *testing.T) {
-	testPriority(t, true)
-}
-
-func testPriority(t *testing.T, isPriorityClass bool) {
-	var highPriority = int32(1000)
-	var lowPriority = int32(500)
-	ctx := context.Background()
-
-	clientSet, nodeInformer, stopCh := initializeClient(t)
-	defer close(stopCh)
-
-	testNamespace := &v1.Namespace{ObjectMeta: metav1.ObjectMeta{Name: "e2e-" + strings.ToLower(t.Name())}}
-	if _, err := clientSet.CoreV1().Namespaces().Create(ctx, testNamespace, metav1.CreateOptions{}); err != nil {
-		t.Fatalf("Unable to create ns %v", testNamespace.Name)
-	}
-	defer clientSet.CoreV1().Namespaces().Delete(ctx, testNamespace.Name, metav1.DeleteOptions{})
-
-	// create two priority classes
-	highPriorityClass := &schedulingv1.PriorityClass{
-		ObjectMeta: metav1.ObjectMeta{Name: "e2e-" + strings.ToLower(t.Name()) + "-highpriority"},
-		Value:      highPriority,
-	}
-	if _, err := clientSet.SchedulingV1().PriorityClasses().Create(ctx, highPriorityClass, metav1.CreateOptions{}); err != nil {
-		t.Fatalf("Error creating priorityclass %s: %v", highPriorityClass.Name, err)
-	}
-	defer clientSet.SchedulingV1().PriorityClasses().Delete(ctx, highPriorityClass.Name, metav1.DeleteOptions{})
-
-	lowPriorityClass := &schedulingv1.PriorityClass{
-		ObjectMeta: metav1.ObjectMeta{Name: "e2e-" + strings.ToLower(t.Name()) + "-lowpriority"},
-		Value:      lowPriority,
-	}
-	if _, err := clientSet.SchedulingV1().PriorityClasses().Create(ctx, lowPriorityClass, metav1.CreateOptions{}); err != nil {
-		t.Fatalf("Error creating priorityclass %s: %v", lowPriorityClass.Name, err)
-	}
-	defer clientSet.SchedulingV1().PriorityClasses().Delete(ctx, lowPriorityClass.Name, metav1.DeleteOptions{})
-
-	// create two RCs with different priority classes in the same namespace
-	rcHighPriority := RcByNameContainer("test-rc-podlifetime-highpriority", testNamespace.Name, 5,
-		map[string]string{"test": "podlifetime-highpriority"}, nil, highPriorityClass.Name)
-	if _, err := clientSet.CoreV1().ReplicationControllers(rcHighPriority.Namespace).Create(ctx, rcHighPriority, metav1.CreateOptions{}); err != nil {
-		t.Errorf("Error creating rc %s: %v", rcHighPriority.Name, err)
-	}
-	defer deleteRC(ctx, t, clientSet, rcHighPriority)
-
-	rcLowPriority := RcByNameContainer("test-rc-podlifetime-lowpriority", testNamespace.Name, 5,
-		map[string]string{"test": "podlifetime-lowpriority"}, nil, lowPriorityClass.Name)
-	if _, err := clientSet.CoreV1().ReplicationControllers(rcLowPriority.Namespace).Create(ctx, rcLowPriority, metav1.CreateOptions{}); err != nil {
-		t.Errorf("Error creating rc %s: %v", rcLowPriority.Name, err)
-	}
-	defer deleteRC(ctx, t, clientSet, rcLowPriority)
-
-	// wait for a while so all the pods are at least few seconds older
-	time.Sleep(5 * time.Second)
-
-	// it's assumed all new pods are named differently from currently running -> no name collision
-	podListHighPriority, err := clientSet.CoreV1().Pods(rcHighPriority.Namespace).List(
-		ctx, metav1.ListOptions{LabelSelector: labels.SelectorFromSet(rcHighPriority.Spec.Template.Labels).String()})
-	if err != nil {
-		t.Fatalf("Unable to list pods: %v", err)
-	}
-	podListLowPriority, err := clientSet.CoreV1().Pods(rcLowPriority.Namespace).List(
-		ctx, metav1.ListOptions{LabelSelector: labels.SelectorFromSet(rcLowPriority.Spec.Template.Labels).String()})
-	if err != nil {
-		t.Fatalf("Unable to list pods: %v", err)
-	}
-
-	if len(podListHighPriority.Items)+len(podListLowPriority.Items) != 10 {
-		t.Fatalf("Expected 10 replicas, got %v instead", len(podListHighPriority.Items)+len(podListLowPriority.Items))
-	}
-
-	expectReservePodNames := getPodNames(podListHighPriority.Items)
-	expectEvictPodNames := getPodNames(podListLowPriority.Items)
-	sort.Strings(expectReservePodNames)
-	sort.Strings(expectEvictPodNames)
-	t.Logf("Pods not expect to be evicted: %v, pods expect to be evicted: %v", expectReservePodNames, expectEvictPodNames)
-
-	if isPriorityClass {
-		t.Logf("set the strategy to delete pods with priority lower than priority class %s", highPriorityClass.Name)
-		runPodLifetimeStrategy(ctx, clientSet, nodeInformer, nil, highPriorityClass.Name, nil)
-	} else {
-		t.Logf("set the strategy to delete pods with priority lower than %d", highPriority)
-		runPodLifetimeStrategy(ctx, clientSet, nodeInformer, nil, "", &highPriority)
-	}
-
-	t.Logf("Waiting 10s")
-	time.Sleep(10 * time.Second)
-	// check if all pods with high priority class are not evicted
-	podListHighPriority, err = clientSet.CoreV1().Pods(rcHighPriority.Namespace).List(
-		ctx, metav1.ListOptions{LabelSelector: labels.SelectorFromSet(rcHighPriority.Spec.Template.Labels).String()})
-	if err != nil {
-		t.Fatalf("Unable to list pods after running strategy: %v", err)
-	}
-
-	excludePodNames := getPodNames(podListHighPriority.Items)
-	sort.Strings(excludePodNames)
-	t.Logf("Existing high priority pods: %v", excludePodNames)
-
-	// validate no pods were deleted
-	if len(intersectStrings(expectReservePodNames, excludePodNames)) != 5 {
-		t.Fatalf("None of %v high priority pods are expected to be deleted", expectReservePodNames)
-	}
-
-	//check if all pods with low priority class are evicted
-	if err := wait.PollImmediate(time.Second, 20*time.Second, func() (bool, error) {
-		podListLowPriority, err := clientSet.CoreV1().Pods(rcLowPriority.Namespace).List(
-			ctx, metav1.ListOptions{LabelSelector: labels.SelectorFromSet(rcLowPriority.Spec.Template.Labels).String()})
-		if err != nil {
-			return false, nil
-		}
-
-		includePodNames := getPodNames(podListLowPriority.Items)
-		// validate all pod were deleted
-		if len(intersectStrings(expectEvictPodNames, includePodNames)) > 0 {
-			t.Logf("Waiting until %v low priority pods get deleted", intersectStrings(expectEvictPodNames, includePodNames))
-			// check if there's at least one pod not in Terminating state
-			for _, pod := range podListLowPriority.Items {
-				// In case podList contains newly created pods
-				if len(intersectStrings(expectEvictPodNames, []string{pod.Name})) == 0 {
-					continue
-				}
-				if pod.DeletionTimestamp == nil {
-					t.Logf("Pod %v not in terminating state", pod.Name)
-					return false, nil
-				}
-			}
-			t.Logf("All %v pods are terminating", intersectStrings(expectEvictPodNames, includePodNames))
-		}
-
-		return true, nil
-	}); err != nil {
-		t.Fatalf("Error waiting for pods to be deleted: %v", err)
-	}
-}
-
 func TestEvictAnnotation(t *testing.T) {
 	ctx := context.Background()

-	clientSet, nodeInformer, stopCh := initializeClient(t)
-	defer close(stopCh)
+	clientSet, err := client.CreateClient(os.Getenv("KUBECONFIG"))
+	if err != nil {
+		t.Errorf("Error during client creation with %v", err)
+	}
+
+	stopChannel := make(chan struct{}, 0)
+
+	sharedInformerFactory := informers.NewSharedInformerFactory(clientSet, 0)
+	sharedInformerFactory.Start(stopChannel)
+	sharedInformerFactory.WaitForCacheSync(stopChannel)
+	defer close(stopChannel)
+
+	nodeInformer := sharedInformerFactory.Core().V1().Nodes()

 	nodeList, err := clientSet.CoreV1().Nodes().List(ctx, metav1.ListOptions{})
 	if err != nil {
@@ -539,7 +211,7 @@ func TestEvictAnnotation(t *testing.T) {
 	}
 	defer clientSet.CoreV1().Namespaces().Delete(ctx, testNamespace.Name, metav1.DeleteOptions{})

-	rc := RcByNameContainer("test-rc-evict-annotation", testNamespace.Name, int32(15), map[string]string{"test": "annotation"}, nil, "")
+	rc := RcByNameContainer("test-rc-evict-annotation", testNamespace.Name, int32(15), map[string]string{"test": "annotation"}, nil)
 	rc.Spec.Template.Annotations = map[string]string{"descheduler.alpha.kubernetes.io/evict": "true"}
 	rc.Spec.Template.Spec.Volumes = []v1.Volume{
 		{
@@ -652,7 +324,7 @@ func evictPods(ctx context.Context, t *testing.T, clientSet clientset.Interface,
 			continue
 		}
 		// List all the pods on the current Node
-		podsOnANode, err := podutil.ListPodsOnANode(ctx, clientSet, node, podutil.WithFilter(podEvictor.Evictable().IsEvictable))
+		podsOnANode, err := podutil.ListPodsOnANode(ctx, clientSet, node, podEvictor.IsEvictable)
 		if err != nil {
 			t.Errorf("Error listing pods on a node %v", err)
 		}
@@ -664,7 +336,7 @@ func evictPods(ctx context.Context, t *testing.T, clientSet clientset.Interface,
 	}
 	t.Log("Eviction of pods starting")
 	startEndToEndForLowNodeUtilization(ctx, clientSet, nodeInformer, podEvictor)
-	podsOnleastUtilizedNode, err := podutil.ListPodsOnANode(ctx, clientSet, leastLoadedNode, podutil.WithFilter(podEvictor.Evictable().IsEvictable))
+	podsOnleastUtilizedNode, err := podutil.ListPodsOnANode(ctx, clientSet, leastLoadedNode, podEvictor.IsEvictable)
 	if err != nil {
 		t.Errorf("Error listing pods on a node %v", err)
 	}
--- a/test/run-e2e-tests.sh
+++ b/test/run-e2e-tests.sh
@@ -18,7 +18,7 @@
 if [ -n "$KIND_E2E" ]; then
    K8S_VERSION=${KUBERNETES_VERSION:-v1.18.2}
    curl -Lo kubectl https://storage.googleapis.com/kubernetes-release/release/${K8S_VERSION}/bin/linux/amd64/kubectl && chmod +x kubectl && sudo mv kubectl /usr/local/bin/
-    wget https://github.com/kubernetes-sigs/kind/releases/download/v0.9.0/kind-linux-amd64
+    wget https://github.com/kubernetes-sigs/kind/releases/download/v0.8.1/kind-linux-amd64
    chmod +x kind-linux-amd64
    mv kind-linux-amd64 kind
    export PATH=$PATH:$PWD
--- a/vendor/cloud.google.com/go/compute/metadata/.repo-metadata.json
+++ b/vendor/cloud.google.com/go/compute/metadata/.repo-metadata.json
@@ -1,12 +0,0 @@
-{
-  "name": "metadata",
-  "name_pretty": "Google Compute Engine Metadata API",
-  "product_documentation": "https://cloud.google.com/compute/docs/storing-retrieving-metadata",
-  "client_documentation": "https://godoc.org/cloud.google.com/go/compute/metadata",
-  "release_level": "ga",
-  "language": "go",
-  "repo": "googleapis/google-cloud-go",
-  "distribution_name": "cloud.google.com/go/compute/metadata",
-  "api_id": "compute:metadata",
-  "requires_billing": false
-}
--- a/vendor/cloud.google.com/go/compute/metadata/metadata.go
+++ b/vendor/cloud.google.com/go/compute/metadata/metadata.go
@@ -227,9 +227,6 @@ func InternalIP() (string, error) { return defaultClient.InternalIP() }
 // ExternalIP returns the instance's primary external (public) IP address.
 func ExternalIP() (string, error) { return defaultClient.ExternalIP() }

-// Email calls Client.Email on the default client.
-func Email(serviceAccount string) (string, error) { return defaultClient.Email(serviceAccount) }
-
 // Hostname returns the instance's hostname. This will be of the form
 // "<instanceID>.c.<projID>.internal".
 func Hostname() (string, error) { return defaultClient.Hostname() }
@@ -304,10 +301,7 @@ func (c *Client) getETag(suffix string) (value, etag string, err error) {
 		host = metadataIP
 	}
 	u := "http://" + host + "/computeMetadata/v1/" + suffix
-	req, err := http.NewRequest("GET", u, nil)
-	if err != nil {
-		return "", "", err
-	}
+	req, _ := http.NewRequest("GET", u, nil)
 	req.Header.Set("Metadata-Flavor", "Google")
 	req.Header.Set("User-Agent", userAgent)
 	res, err := c.hc.Do(req)
@@ -373,16 +367,6 @@ func (c *Client) InternalIP() (string, error) {
 	return c.getTrimmed("instance/network-interfaces/0/ip")
 }

-// Email returns the email address associated with the service account.
-// The account may be empty or the string "default" to use the instance's
-// main account.
-func (c *Client) Email(serviceAccount string) (string, error) {
-	if serviceAccount == "" {
-		serviceAccount = "default"
-	}
-	return c.getTrimmed("instance/service-accounts/" + serviceAccount + "/email")
-}
-
 // ExternalIP returns the instance's primary external (public) IP address.
 func (c *Client) ExternalIP() (string, error) {
 	return c.getTrimmed("instance/network-interfaces/0/access-configs/0/external-ip")
@@ -410,7 +394,11 @@ func (c *Client) InstanceTags() ([]string, error) {

 // InstanceName returns the current VM's instance ID string.
 func (c *Client) InstanceName() (string, error) {
-	return c.getTrimmed("instance/name")
+	host, err := c.Hostname()
+	if err != nil {
+		return "", err
+	}
+	return strings.Split(host, ".")[0], nil
 }

 // Zone returns the current VM's zone, such as "us-central1-b".
--- a/vendor/github.com/Azure/go-autorest/autorest/adal/devicetoken.go
+++ b/vendor/github.com/Azure/go-autorest/autorest/adal/devicetoken.go
@@ -24,7 +24,6 @@ package adal
 */

 import (
-	"context"
 	"encoding/json"
 	"fmt"
 	"io/ioutil"
@@ -102,14 +101,7 @@ type deviceToken struct {

 // InitiateDeviceAuth initiates a device auth flow. It returns a DeviceCode
 // that can be used with CheckForUserCompletion or WaitForUserCompletion.
-// Deprecated: use InitiateDeviceAuthWithContext() instead.
 func InitiateDeviceAuth(sender Sender, oauthConfig OAuthConfig, clientID, resource string) (*DeviceCode, error) {
-	return InitiateDeviceAuthWithContext(context.Background(), sender, oauthConfig, clientID, resource)
-}
-
-// InitiateDeviceAuthWithContext initiates a device auth flow. It returns a DeviceCode
-// that can be used with CheckForUserCompletion or WaitForUserCompletion.
-func InitiateDeviceAuthWithContext(ctx context.Context, sender Sender, oauthConfig OAuthConfig, clientID, resource string) (*DeviceCode, error) {
 	v := url.Values{
 		"client_id": []string{clientID},
 		"resource":  []string{resource},
@@ -125,7 +117,7 @@ func InitiateDeviceAuthWithContext(ctx context.Context, sender Sender, oauthConf

 	req.ContentLength = int64(len(s))
 	req.Header.Set(contentType, mimeTypeFormPost)
-	resp, err := sender.Do(req.WithContext(ctx))
+	resp, err := sender.Do(req)
 	if err != nil {
 		return nil, fmt.Errorf("%s %s: %s", logPrefix, errCodeSendingFails, err.Error())
 	}
@@ -159,14 +151,7 @@ func InitiateDeviceAuthWithContext(ctx context.Context, sender Sender, oauthConf

 // CheckForUserCompletion takes a DeviceCode and checks with the Azure AD OAuth endpoint
 // to see if the device flow has: been completed, timed out, or otherwise failed
-// Deprecated: use CheckForUserCompletionWithContext() instead.
 func CheckForUserCompletion(sender Sender, code *DeviceCode) (*Token, error) {
-	return CheckForUserCompletionWithContext(context.Background(), sender, code)
-}
-
-// CheckForUserCompletionWithContext takes a DeviceCode and checks with the Azure AD OAuth endpoint
-// to see if the device flow has: been completed, timed out, or otherwise failed
-func CheckForUserCompletionWithContext(ctx context.Context, sender Sender, code *DeviceCode) (*Token, error) {
 	v := url.Values{
 		"client_id":  []string{code.ClientID},
 		"code":       []string{*code.DeviceCode},
@@ -184,7 +169,7 @@ func CheckForUserCompletionWithContext(ctx context.Context, sender Sender, code

 	req.ContentLength = int64(len(s))
 	req.Header.Set(contentType, mimeTypeFormPost)
-	resp, err := sender.Do(req.WithContext(ctx))
+	resp, err := sender.Do(req)
 	if err != nil {
 		return nil, fmt.Errorf("%s %s: %s", logPrefix, errTokenSendingFails, err.Error())
 	}
@@ -228,19 +213,12 @@ func CheckForUserCompletionWithContext(ctx context.Context, sender Sender, code

 // WaitForUserCompletion calls CheckForUserCompletion repeatedly until a token is granted or an error state occurs.
 // This prevents the user from looping and checking against 'ErrDeviceAuthorizationPending'.
-// Deprecated: use WaitForUserCompletionWithContext() instead.
 func WaitForUserCompletion(sender Sender, code *DeviceCode) (*Token, error) {
-	return WaitForUserCompletionWithContext(context.Background(), sender, code)
-}
-
-// WaitForUserCompletionWithContext calls CheckForUserCompletion repeatedly until a token is granted or an error
-// state occurs.  This prevents the user from looping and checking against 'ErrDeviceAuthorizationPending'.
-func WaitForUserCompletionWithContext(ctx context.Context, sender Sender, code *DeviceCode) (*Token, error) {
 	intervalDuration := time.Duration(*code.Interval) * time.Second
 	waitDuration := intervalDuration

 	for {
-		token, err := CheckForUserCompletionWithContext(ctx, sender, code)
+		token, err := CheckForUserCompletion(sender, code)

 		if err == nil {
 			return token, nil
@@ -259,11 +237,6 @@ func WaitForUserCompletionWithContext(ctx context.Context, sender Sender, code *
 			return nil, fmt.Errorf("%s Error waiting for user to complete device flow. Server told us to slow_down too much", logPrefix)
 		}

-		select {
-		case <-time.After(waitDuration):
-			// noop
-		case <-ctx.Done():
-			return nil, ctx.Err()
-		}
+		time.Sleep(waitDuration)
 	}
 }
--- a/vendor/github.com/Azure/go-autorest/autorest/adal/go.mod
+++ b/vendor/github.com/Azure/go-autorest/autorest/adal/go.mod
@@ -3,10 +3,9 @@ module github.com/Azure/go-autorest/autorest/adal
 go 1.12

 require (
-	github.com/Azure/go-autorest/autorest v0.9.0
-	github.com/Azure/go-autorest/autorest/date v0.2.0
-	github.com/Azure/go-autorest/autorest/mocks v0.3.0
+	github.com/Azure/go-autorest/autorest/date v0.1.0
+	github.com/Azure/go-autorest/autorest/mocks v0.1.0
 	github.com/Azure/go-autorest/tracing v0.5.0
 	github.com/dgrijalva/jwt-go v3.2.0+incompatible
-	golang.org/x/crypto v0.0.0-20191206172530-e9b2fee46413
+	golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2
 )
--- a/vendor/github.com/Azure/go-autorest/autorest/adal/go.sum
+++ b/vendor/github.com/Azure/go-autorest/autorest/adal/go.sum
@@ -1,28 +1,12 @@
-github.com/Azure/go-autorest/autorest v0.9.0 h1:MRvx8gncNaXJqOoLmhNjUAKh33JJF8LyxPhomEtOsjs=
-github.com/Azure/go-autorest/autorest v0.9.0/go.mod h1:xyHB1BMZT0cuDHU7I0+g046+BFDTQ8rEZB0s4Yfa6bI=
-github.com/Azure/go-autorest/autorest/adal v0.5.0/go.mod h1:8Z9fGy2MpX0PvDjB1pEgQTmVqjGhiHBW7RJJEciWzS0=
 github.com/Azure/go-autorest/autorest/date v0.1.0 h1:YGrhWfrgtFs84+h0o46rJrlmsZtyZRg470CqAXTZaGM=
 github.com/Azure/go-autorest/autorest/date v0.1.0/go.mod h1:plvfp3oPSKwf2DNjlBjWF/7vwR+cUD/ELuzDCXwHUVA=
-github.com/Azure/go-autorest/autorest/date v0.2.0 h1:yW+Zlqf26583pE43KhfnhFcdmSWlm5Ew6bxipnr/tbM=
-github.com/Azure/go-autorest/autorest/date v0.2.0/go.mod h1:vcORJHLJEh643/Ioh9+vPmf1Ij9AEBM5FuBIXLmIy0g=
 github.com/Azure/go-autorest/autorest/mocks v0.1.0 h1:Kx+AUU2Te+A3JIyYn6Dfs+cFgx5XorQKuIXrZGoq/SI=
 github.com/Azure/go-autorest/autorest/mocks v0.1.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
-github.com/Azure/go-autorest/autorest/mocks v0.2.0 h1:Ww5g4zThfD/6cLb4z6xxgeyDa7QDkizMkJKe0ysZXp0=
-github.com/Azure/go-autorest/autorest/mocks v0.2.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
-github.com/Azure/go-autorest/autorest/mocks v0.3.0 h1:qJumjCaCudz+OcqE9/XtEPfvtOjOmKaui4EOpFI6zZc=
-github.com/Azure/go-autorest/autorest/mocks v0.3.0/go.mod h1:a8FDP3DYzQ4RYfVAxAN3SVSiiO77gL2j2ronKKP0syM=
-github.com/Azure/go-autorest/logger v0.1.0 h1:ruG4BSDXONFRrZZJ2GUXDiUyVpayPmb1GnWeHDdaNKY=
-github.com/Azure/go-autorest/logger v0.1.0/go.mod h1:oExouG+K6PryycPJfVSxi/koC6LSNgds39diKLz7Vrc=
 github.com/Azure/go-autorest/tracing v0.5.0 h1:TRn4WjSnkcSy5AEG3pnbtFSwNtwzjr4VYyQflFE619k=
 github.com/Azure/go-autorest/tracing v0.5.0/go.mod h1:r/s2XiOKccPW3HrqB+W0TQzfbtp2fGCgRFtBroKn4Dk=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumCAMpl/TFQ4/5kLM=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2 h1:VklqNMn3ovrHsnt90PveolxSbWFaJdECFbxSq0Mqo2M=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/crypto v0.0.0-20191206172530-e9b2fee46413 h1:ULYEB3JvPRE/IfO+9uO7vKV/xzVTO7XPAwm8xbf4w2g=
-golang.org/x/crypto v0.0.0-20191206172530-e9b2fee46413/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
-golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a h1:1BGLXjeY4akVXGgbC9HugT3Jv3hCI0z56oJR5vAMgBU=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
--- a/vendor/github.com/Azure/go-autorest/autorest/adal/go_mod_tidy_hack.go
+++ b/vendor/github.com/Azure/go-autorest/autorest/adal/go_mod_tidy_hack.go
@@ -1,24 +0,0 @@
-// +build modhack
-
-package adal
-
-// Copyright 2017 Microsoft Corporation
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-// This file, and the github.com/Azure/go-autorest/autorest import, won't actually become part of
-// the resultant binary.
-
-// Necessary for safely adding multi-module repo.
-// See: https://github.com/golang/go/wiki/Modules#is-it-possible-to-add-a-module-to-a-multi-module-repository
-import _ "github.com/Azure/go-autorest/autorest"
--- a/vendor/github.com/Azure/go-autorest/autorest/adal/token.go
+++ b/vendor/github.com/Azure/go-autorest/autorest/adal/token.go
@@ -24,12 +24,11 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"io"
 	"io/ioutil"
 	"math"
+	"net"
 	"net/http"
 	"net/url"
-	"os"
 	"strings"
 	"sync"
 	"time"
@@ -64,12 +63,6 @@ const (

 	// the default number of attempts to refresh an MSI authentication token
 	defaultMaxMSIRefreshAttempts = 5
-
-	// asMSIEndpointEnv is the environment variable used to store the endpoint on App Service and Functions
-	asMSIEndpointEnv = "MSI_ENDPOINT"
-
-	// asMSISecretEnv is the environment variable used to store the request secret on App Service and Functions
-	asMSISecretEnv = "MSI_SECRET"
 )

 // OAuthTokenProvider is an interface which should be implemented by an access token retriever
@@ -107,9 +100,6 @@ type RefresherWithContext interface {
 // a successful token refresh
 type TokenRefreshCallback func(Token) error

-// TokenRefresh is a type representing a custom callback to refresh a token
-type TokenRefresh func(ctx context.Context, resource string) (*Token, error)
-
 // Token encapsulates the access token used to authorize Azure requests.
 // https://docs.microsoft.com/en-us/azure/active-directory/develop/v1-oauth2-client-creds-grant-flow#service-to-service-access-token-response
 type Token struct {
@@ -249,7 +239,7 @@ func (secret *ServicePrincipalCertificateSecret) SignJwt(spt *ServicePrincipalTo
 		"sub": spt.inner.ClientID,
 		"jti": base64.URLEncoding.EncodeToString(jti),
 		"nbf": time.Now().Unix(),
-		"exp": time.Now().Add(24 * time.Hour).Unix(),
+		"exp": time.Now().Add(time.Hour * 24).Unix(),
 	}

 	signedString, err := token.SignedString(secret.PrivateKey)
@@ -348,11 +338,10 @@ func (secret ServicePrincipalAuthorizationCodeSecret) MarshalJSON() ([]byte, err

 // ServicePrincipalToken encapsulates a Token created for a Service Principal.
 type ServicePrincipalToken struct {
-	inner             servicePrincipalToken
-	refreshLock       *sync.RWMutex
-	sender            Sender
-	customRefreshFunc TokenRefresh
-	refreshCallbacks  []TokenRefreshCallback
+	inner            servicePrincipalToken
+	refreshLock      *sync.RWMutex
+	sender           Sender
+	refreshCallbacks []TokenRefreshCallback
 	// MaxMSIRefreshAttempts is the maximum number of attempts to refresh an MSI token.
 	MaxMSIRefreshAttempts int
 }
@@ -367,11 +356,6 @@ func (spt *ServicePrincipalToken) SetRefreshCallbacks(callbacks []TokenRefreshCa
 	spt.refreshCallbacks = callbacks
 }

-// SetCustomRefreshFunc sets a custom refresh function used to refresh the token.
-func (spt *ServicePrincipalToken) SetCustomRefreshFunc(customRefreshFunc TokenRefresh) {
-	spt.customRefreshFunc = customRefreshFunc
-}
-
 // MarshalJSON implements the json.Marshaler interface.
 func (spt ServicePrincipalToken) MarshalJSON() ([]byte, error) {
 	return json.Marshal(spt.inner)
@@ -650,31 +634,6 @@ func GetMSIVMEndpoint() (string, error) {
 	return msiEndpoint, nil
 }

-func isAppService() bool {
-	_, asMSIEndpointEnvExists := os.LookupEnv(asMSIEndpointEnv)
-	_, asMSISecretEnvExists := os.LookupEnv(asMSISecretEnv)
-
-	return asMSIEndpointEnvExists && asMSISecretEnvExists
-}
-
-// GetMSIAppServiceEndpoint get the MSI endpoint for App Service and Functions
-func GetMSIAppServiceEndpoint() (string, error) {
-	asMSIEndpoint, asMSIEndpointEnvExists := os.LookupEnv(asMSIEndpointEnv)
-
-	if asMSIEndpointEnvExists {
-		return asMSIEndpoint, nil
-	}
-	return "", errors.New("MSI endpoint not found")
-}
-
-// GetMSIEndpoint get the appropriate MSI endpoint depending on the runtime environment
-func GetMSIEndpoint() (string, error) {
-	if isAppService() {
-		return GetMSIAppServiceEndpoint()
-	}
-	return GetMSIVMEndpoint()
-}
-
 // NewServicePrincipalTokenFromMSI creates a ServicePrincipalToken via the MSI VM Extension.
 // It will use the system assigned identity when creating the token.
 func NewServicePrincipalTokenFromMSI(msiEndpoint, resource string, callbacks ...TokenRefreshCallback) (*ServicePrincipalToken, error) {
@@ -707,12 +666,7 @@ func newServicePrincipalTokenFromMSI(msiEndpoint, resource string, userAssignedI

 	v := url.Values{}
 	v.Set("resource", resource)
-	// App Service MSI currently only supports token API version 2017-09-01
-	if isAppService() {
-		v.Set("api-version", "2017-09-01")
-	} else {
-		v.Set("api-version", "2018-02-01")
-	}
+	v.Set("api-version", "2018-02-01")
 	if userAssignedID != nil {
 		v.Set("client_id", *userAssignedID)
 	}
@@ -796,13 +750,13 @@ func (spt *ServicePrincipalToken) InvokeRefreshCallbacks(token Token) error {
 }

 // Refresh obtains a fresh token for the Service Principal.
-// This method is safe for concurrent use.
+// This method is not safe for concurrent use and should be syncrhonized.
 func (spt *ServicePrincipalToken) Refresh() error {
 	return spt.RefreshWithContext(context.Background())
 }

 // RefreshWithContext obtains a fresh token for the Service Principal.
-// This method is safe for concurrent use.
+// This method is not safe for concurrent use and should be syncrhonized.
 func (spt *ServicePrincipalToken) RefreshWithContext(ctx context.Context) error {
 	spt.refreshLock.Lock()
 	defer spt.refreshLock.Unlock()
@@ -810,13 +764,13 @@ func (spt *ServicePrincipalToken) RefreshWithContext(ctx context.Context) error
 }

 // RefreshExchange refreshes the token, but for a different resource.
-// This method is safe for concurrent use.
+// This method is not safe for concurrent use and should be syncrhonized.
 func (spt *ServicePrincipalToken) RefreshExchange(resource string) error {
 	return spt.RefreshExchangeWithContext(context.Background(), resource)
 }

 // RefreshExchangeWithContext refreshes the token, but for a different resource.
-// This method is safe for concurrent use.
+// This method is not safe for concurrent use and should be syncrhonized.
 func (spt *ServicePrincipalToken) RefreshExchangeWithContext(ctx context.Context, resource string) error {
 	spt.refreshLock.Lock()
 	defer spt.refreshLock.Unlock()
@@ -839,29 +793,15 @@ func isIMDS(u url.URL) bool {
 	if err != nil {
 		return false
 	}
-	return (u.Host == imds.Host && u.Path == imds.Path) || isAppService()
+	return u.Host == imds.Host && u.Path == imds.Path
 }

 func (spt *ServicePrincipalToken) refreshInternal(ctx context.Context, resource string) error {
-	if spt.customRefreshFunc != nil {
-		token, err := spt.customRefreshFunc(ctx, resource)
-		if err != nil {
-			return err
-		}
-		spt.inner.Token = *token
-		return spt.InvokeRefreshCallbacks(spt.inner.Token)
-	}
-
 	req, err := http.NewRequest(http.MethodPost, spt.inner.OauthConfig.TokenEndpoint.String(), nil)
 	if err != nil {
 		return fmt.Errorf("adal: Failed to build the refresh request. Error = '%v'", err)
 	}
 	req.Header.Add("User-Agent", UserAgent())
-	// Add header when runtime is on App Service or Functions
-	if isAppService() {
-		asMSISecret, _ := os.LookupEnv(asMSISecretEnv)
-		req.Header.Add("Secret", asMSISecret)
-	}
 	req = req.WithContext(ctx)
 	if !isIMDS(spt.inner.OauthConfig.TokenEndpoint) {
 		v := url.Values{}
@@ -906,8 +846,7 @@ func (spt *ServicePrincipalToken) refreshInternal(ctx context.Context, resource
 		resp, err = spt.sender.Do(req)
 	}
 	if err != nil {
-		// don't return a TokenRefreshError here; this will allow retry logic to apply
-		return fmt.Errorf("adal: Failed to execute the refresh request. Error = '%v'", err)
+		return newTokenRefreshError(fmt.Sprintf("adal: Failed to execute the refresh request. Error = '%v'", err), nil)
 	}

 	defer resp.Body.Close()
@@ -973,13 +912,11 @@ func retryForIMDS(sender Sender, req *http.Request, maxAttempts int) (resp *http
 	delay := time.Duration(0)

 	for attempt < maxAttempts {
-		if resp != nil && resp.Body != nil {
-			io.Copy(ioutil.Discard, resp.Body)
-			resp.Body.Close()
-		}
 		resp, err = sender.Do(req)
-		// we want to retry if err is not nil or the status code is in the list of retry codes
-		if err == nil && !responseHasStatusCode(resp, retries...) {
+		// retry on temporary network errors, e.g. transient network failures.
+		// if we don't receive a response then assume we can't connect to the
+		// endpoint so we're likely not running on an Azure VM so don't retry.
+		if (err != nil && !isTemporaryNetworkError(err)) || resp == nil || resp.StatusCode == http.StatusOK || !containsInt(retries, resp.StatusCode) {
 			return
 		}

@@ -1003,12 +940,20 @@ func retryForIMDS(sender Sender, req *http.Request, maxAttempts int) (resp *http
 	return
 }

-func responseHasStatusCode(resp *http.Response, codes ...int) bool {
-	if resp != nil {
-		for _, i := range codes {
-			if i == resp.StatusCode {
-				return true
-			}
+// returns true if the specified error is a temporary network error or false if it's not.
+// if the error doesn't implement the net.Error interface the return value is true.
+func isTemporaryNetworkError(err error) bool {
+	if netErr, ok := err.(net.Error); !ok || (ok && netErr.Temporary()) {
+		return true
+	}
+	return false
+}
+
+// returns true if slice ints contains the value n
+func containsInt(ints []int, n int) bool {
+	for _, i := range ints {
+		if i == n {
+			return true
 		}
 	}
 	return false
--- a/vendor/github.com/Azure/go-autorest/autorest/authorization.go
+++ b/vendor/github.com/Azure/go-autorest/autorest/authorization.go
@@ -171,21 +171,20 @@ func (bacb *BearerAuthorizerCallback) WithAuthorization() PrepareDecorator {
 				removeRequestBody(&rCopy)

 				resp, err := bacb.sender.Do(&rCopy)
-				if err != nil {
-					return r, err
-				}
-				DrainResponseBody(resp)
-				if resp.StatusCode == 401 && hasBearerChallenge(resp.Header) {
-					bc, err := newBearerChallenge(resp.Header)
-					if err != nil {
-						return r, err
-					}
-					if bacb.callback != nil {
-						ba, err := bacb.callback(bc.values[tenantID], bc.values["resource"])
+				if err == nil && resp.StatusCode == 401 {
+					defer resp.Body.Close()
+					if hasBearerChallenge(resp) {
+						bc, err := newBearerChallenge(resp)
 						if err != nil {
 							return r, err
 						}
-						return Prepare(r, ba.WithAuthorization())
+						if bacb.callback != nil {
+							ba, err := bacb.callback(bc.values[tenantID], bc.values["resource"])
+							if err != nil {
+								return r, err
+							}
+							return Prepare(r, ba.WithAuthorization())
+						}
 					}
 				}
 			}
@@ -195,8 +194,8 @@ func (bacb *BearerAuthorizerCallback) WithAuthorization() PrepareDecorator {
 }

 // returns true if the HTTP response contains a bearer challenge
-func hasBearerChallenge(header http.Header) bool {
-	authHeader := header.Get(bearerChallengeHeader)
+func hasBearerChallenge(resp *http.Response) bool {
+	authHeader := resp.Header.Get(bearerChallengeHeader)
 	if len(authHeader) == 0 || strings.Index(authHeader, bearer) < 0 {
 		return false
 	}
@@ -207,8 +206,8 @@ type bearerChallenge struct {
 	values map[string]string
 }

-func newBearerChallenge(header http.Header) (bc bearerChallenge, err error) {
-	challenge := strings.TrimSpace(header.Get(bearerChallengeHeader))
+func newBearerChallenge(resp *http.Response) (bc bearerChallenge, err error) {
+	challenge := strings.TrimSpace(resp.Header.Get(bearerChallengeHeader))
 	trimmedChallenge := challenge[len(bearer)+1:]

 	// challenge is a set of key=value pairs that are comma delimited
--- a/vendor/github.com/Azure/go-autorest/autorest/authorization_sas.go
+++ b/vendor/github.com/Azure/go-autorest/autorest/authorization_sas.go
@@ -1,67 +0,0 @@
-package autorest
-
-// Copyright 2017 Microsoft Corporation
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-import (
-	"fmt"
-	"net/http"
-	"strings"
-)
-
-// SASTokenAuthorizer implements an authorization for SAS Token Authentication
-// this can be used for interaction with Blob Storage Endpoints
-type SASTokenAuthorizer struct {
-	sasToken string
-}
-
-// NewSASTokenAuthorizer creates a SASTokenAuthorizer using the given credentials
-func NewSASTokenAuthorizer(sasToken string) (*SASTokenAuthorizer, error) {
-	if strings.TrimSpace(sasToken) == "" {
-		return nil, fmt.Errorf("sasToken cannot be empty")
-	}
-
-	token := sasToken
-	if strings.HasPrefix(sasToken, "?") {
-		token = strings.TrimPrefix(sasToken, "?")
-	}
-
-	return &SASTokenAuthorizer{
-		sasToken: token,
-	}, nil
-}
-
-// WithAuthorization returns a PrepareDecorator that adds a shared access signature token to the
-// URI's query parameters.  This can be used for the Blob, Queue, and File Services.
-//
-// See https://docs.microsoft.com/en-us/rest/api/storageservices/delegate-access-with-shared-access-signature
-func (sas *SASTokenAuthorizer) WithAuthorization() PrepareDecorator {
-	return func(p Preparer) Preparer {
-		return PreparerFunc(func(r *http.Request) (*http.Request, error) {
-			r, err := p.Prepare(r)
-			if err != nil {
-				return r, err
-			}
-
-			if r.URL.RawQuery != "" {
-				r.URL.RawQuery = fmt.Sprintf("%s&%s", r.URL.RawQuery, sas.sasToken)
-			} else {
-				r.URL.RawQuery = sas.sasToken
-			}
-
-			r.RequestURI = r.URL.String()
-			return Prepare(r)
-		})
-	}
-}
--- a/vendor/github.com/Azure/go-autorest/autorest/authorization_storage.go
+++ b/vendor/github.com/Azure/go-autorest/autorest/authorization_storage.go
@@ -1,304 +0,0 @@
-package autorest
-
-// Copyright 2017 Microsoft Corporation
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-import (
-	"bytes"
-	"crypto/hmac"
-	"crypto/sha256"
-	"encoding/base64"
-	"fmt"
-	"net/http"
-	"net/url"
-	"sort"
-	"strings"
-	"time"
-)
-
-// SharedKeyType defines the enumeration for the various shared key types.
-// See https://docs.microsoft.com/en-us/rest/api/storageservices/authorize-with-shared-key for details on the shared key types.
-type SharedKeyType string
-
-const (
-	// SharedKey is used to authorize against blobs, files and queues services.
-	SharedKey SharedKeyType = "sharedKey"
-
-	// SharedKeyForTable is used to authorize against the table service.
-	SharedKeyForTable SharedKeyType = "sharedKeyTable"
-
-	// SharedKeyLite is used to authorize against blobs, files and queues services.  It's provided for
-	// backwards compatibility with API versions before 2009-09-19.  Prefer SharedKey instead.
-	SharedKeyLite SharedKeyType = "sharedKeyLite"
-
-	// SharedKeyLiteForTable is used to authorize against the table service.  It's provided for
-	// backwards compatibility with older table API versions.  Prefer SharedKeyForTable instead.
-	SharedKeyLiteForTable SharedKeyType = "sharedKeyLiteTable"
-)
-
-const (
-	headerAccept            = "Accept"
-	headerAcceptCharset     = "Accept-Charset"
-	headerContentEncoding   = "Content-Encoding"
-	headerContentLength     = "Content-Length"
-	headerContentMD5        = "Content-MD5"
-	headerContentLanguage   = "Content-Language"
-	headerIfModifiedSince   = "If-Modified-Since"
-	headerIfMatch           = "If-Match"
-	headerIfNoneMatch       = "If-None-Match"
-	headerIfUnmodifiedSince = "If-Unmodified-Since"
-	headerDate              = "Date"
-	headerXMSDate           = "X-Ms-Date"
-	headerXMSVersion        = "x-ms-version"
-	headerRange             = "Range"
-)
-
-const storageEmulatorAccountName = "devstoreaccount1"
-
-// SharedKeyAuthorizer implements an authorization for Shared Key
-// this can be used for interaction with Blob, File and Queue Storage Endpoints
-type SharedKeyAuthorizer struct {
-	accountName string
-	accountKey  []byte
-	keyType     SharedKeyType
-}
-
-// NewSharedKeyAuthorizer creates a SharedKeyAuthorizer using the provided credentials and shared key type.
-func NewSharedKeyAuthorizer(accountName, accountKey string, keyType SharedKeyType) (*SharedKeyAuthorizer, error) {
-	key, err := base64.StdEncoding.DecodeString(accountKey)
-	if err != nil {
-		return nil, fmt.Errorf("malformed storage account key: %v", err)
-	}
-	return &SharedKeyAuthorizer{
-		accountName: accountName,
-		accountKey:  key,
-		keyType:     keyType,
-	}, nil
-}
-
-// WithAuthorization returns a PrepareDecorator that adds an HTTP Authorization header whose
-// value is "<SharedKeyType> " followed by the computed key.
-// This can be used for the Blob, Queue, and File Services
-//
-// from: https://docs.microsoft.com/en-us/rest/api/storageservices/authorize-with-shared-key
-// You may use Shared Key authorization to authorize a request made against the
-// 2009-09-19 version and later of the Blob and Queue services,
-// and version 2014-02-14 and later of the File services.
-func (sk *SharedKeyAuthorizer) WithAuthorization() PrepareDecorator {
-	return func(p Preparer) Preparer {
-		return PreparerFunc(func(r *http.Request) (*http.Request, error) {
-			r, err := p.Prepare(r)
-			if err != nil {
-				return r, err
-			}
-
-			sk, err := buildSharedKey(sk.accountName, sk.accountKey, r, sk.keyType)
-			if err != nil {
-				return r, err
-			}
-			return Prepare(r, WithHeader(headerAuthorization, sk))
-		})
-	}
-}
-
-func buildSharedKey(accName string, accKey []byte, req *http.Request, keyType SharedKeyType) (string, error) {
-	canRes, err := buildCanonicalizedResource(accName, req.URL.String(), keyType)
-	if err != nil {
-		return "", err
-	}
-
-	if req.Header == nil {
-		req.Header = http.Header{}
-	}
-
-	// ensure date is set
-	if req.Header.Get(headerDate) == "" && req.Header.Get(headerXMSDate) == "" {
-		date := time.Now().UTC().Format(http.TimeFormat)
-		req.Header.Set(headerXMSDate, date)
-	}
-	canString, err := buildCanonicalizedString(req.Method, req.Header, canRes, keyType)
-	if err != nil {
-		return "", err
-	}
-	return createAuthorizationHeader(accName, accKey, canString, keyType), nil
-}
-
-func buildCanonicalizedResource(accountName, uri string, keyType SharedKeyType) (string, error) {
-	errMsg := "buildCanonicalizedResource error: %s"
-	u, err := url.Parse(uri)
-	if err != nil {
-		return "", fmt.Errorf(errMsg, err.Error())
-	}
-
-	cr := bytes.NewBufferString("")
-	if accountName != storageEmulatorAccountName {
-		cr.WriteString("/")
-		cr.WriteString(getCanonicalizedAccountName(accountName))
-	}
-
-	if len(u.Path) > 0 {
-		// Any portion of the CanonicalizedResource string that is derived from
-		// the resource's URI should be encoded exactly as it is in the URI.
-		// -- https://msdn.microsoft.com/en-gb/library/azure/dd179428.aspx
-		cr.WriteString(u.EscapedPath())
-	}
-
-	params, err := url.ParseQuery(u.RawQuery)
-	if err != nil {
-		return "", fmt.Errorf(errMsg, err.Error())
-	}
-
-	// See https://github.com/Azure/azure-storage-net/blob/master/Lib/Common/Core/Util/AuthenticationUtility.cs#L277
-	if keyType == SharedKey {
-		if len(params) > 0 {
-			cr.WriteString("\n")
-
-			keys := []string{}
-			for key := range params {
-				keys = append(keys, key)
-			}
-			sort.Strings(keys)
-
-			completeParams := []string{}
-			for _, key := range keys {
-				if len(params[key]) > 1 {
-					sort.Strings(params[key])
-				}
-
-				completeParams = append(completeParams, fmt.Sprintf("%s:%s", key, strings.Join(params[key], ",")))
-			}
-			cr.WriteString(strings.Join(completeParams, "\n"))
-		}
-	} else {
-		// search for "comp" parameter, if exists then add it to canonicalizedresource
-		if v, ok := params["comp"]; ok {
-			cr.WriteString("?comp=" + v[0])
-		}
-	}
-
-	return string(cr.Bytes()), nil
-}
-
-func getCanonicalizedAccountName(accountName string) string {
-	// since we may be trying to access a secondary storage account, we need to
-	// remove the -secondary part of the storage name
-	return strings.TrimSuffix(accountName, "-secondary")
-}
-
-func buildCanonicalizedString(verb string, headers http.Header, canonicalizedResource string, keyType SharedKeyType) (string, error) {
-	contentLength := headers.Get(headerContentLength)
-	if contentLength == "0" {
-		contentLength = ""
-	}
-	date := headers.Get(headerDate)
-	if v := headers.Get(headerXMSDate); v != "" {
-		if keyType == SharedKey || keyType == SharedKeyLite {
-			date = ""
-		} else {
-			date = v
-		}
-	}
-	var canString string
-	switch keyType {
-	case SharedKey:
-		canString = strings.Join([]string{
-			verb,
-			headers.Get(headerContentEncoding),
-			headers.Get(headerContentLanguage),
-			contentLength,
-			headers.Get(headerContentMD5),
-			headers.Get(headerContentType),
-			date,
-			headers.Get(headerIfModifiedSince),
-			headers.Get(headerIfMatch),
-			headers.Get(headerIfNoneMatch),
-			headers.Get(headerIfUnmodifiedSince),
-			headers.Get(headerRange),
-			buildCanonicalizedHeader(headers),
-			canonicalizedResource,
-		}, "\n")
-	case SharedKeyForTable:
-		canString = strings.Join([]string{
-			verb,
-			headers.Get(headerContentMD5),
-			headers.Get(headerContentType),
-			date,
-			canonicalizedResource,
-		}, "\n")
-	case SharedKeyLite:
-		canString = strings.Join([]string{
-			verb,
-			headers.Get(headerContentMD5),
-			headers.Get(headerContentType),
-			date,
-			buildCanonicalizedHeader(headers),
-			canonicalizedResource,
-		}, "\n")
-	case SharedKeyLiteForTable:
-		canString = strings.Join([]string{
-			date,
-			canonicalizedResource,
-		}, "\n")
-	default:
-		return "", fmt.Errorf("key type '%s' is not supported", keyType)
-	}
-	return canString, nil
-}
-
-func buildCanonicalizedHeader(headers http.Header) string {
-	cm := make(map[string]string)
-
-	for k := range headers {
-		headerName := strings.TrimSpace(strings.ToLower(k))
-		if strings.HasPrefix(headerName, "x-ms-") {
-			cm[headerName] = headers.Get(k)
-		}
-	}
-
-	if len(cm) == 0 {
-		return ""
-	}
-
-	keys := []string{}
-	for key := range cm {
-		keys = append(keys, key)
-	}
-
-	sort.Strings(keys)
-
-	ch := bytes.NewBufferString("")
-
-	for _, key := range keys {
-		ch.WriteString(key)
-		ch.WriteRune(':')
-		ch.WriteString(cm[key])
-		ch.WriteRune('\n')
-	}
-
-	return strings.TrimSuffix(string(ch.Bytes()), "\n")
-}
-
-func createAuthorizationHeader(accountName string, accountKey []byte, canonicalizedString string, keyType SharedKeyType) string {
-	h := hmac.New(sha256.New, accountKey)
-	h.Write([]byte(canonicalizedString))
-	signature := base64.StdEncoding.EncodeToString(h.Sum(nil))
-	var key string
-	switch keyType {
-	case SharedKey, SharedKeyForTable:
-		key = "SharedKey"
-	case SharedKeyLite, SharedKeyLiteForTable:
-		key = "SharedKeyLite"
-	}
-	return fmt.Sprintf("%s %s:%s", key, getCanonicalizedAccountName(accountName), signature)
-}
--- a/vendor/github.com/Azure/go-autorest/autorest/azure/async.go
+++ b/vendor/github.com/Azure/go-autorest/autorest/azure/async.go
@@ -258,17 +258,7 @@ func (f Future) GetResult(sender autorest.Sender) (*http.Response, error) {
 	if err != nil {
 		return nil, err
 	}
-	resp, err := sender.Do(req)
-	if err == nil && resp.Body != nil {
-		// copy the body and close it so callers don't have to
-		defer resp.Body.Close()
-		b, err := ioutil.ReadAll(resp.Body)
-		if err != nil {
-			return resp, err
-		}
-		resp.Body = ioutil.NopCloser(bytes.NewReader(b))
-	}
-	return resp, err
+	return sender.Do(req)
 }

 type pollingTracker interface {
--- a/vendor/github.com/Azure/go-autorest/autorest/azure/azure.go
+++ b/vendor/github.com/Azure/go-autorest/autorest/azure/azure.go
@@ -17,7 +17,6 @@ package azure
 //  limitations under the License.

 import (
-	"bytes"
 	"encoding/json"
 	"fmt"
 	"io/ioutil"
@@ -144,7 +143,7 @@ type RequestError struct {
 	autorest.DetailedError

 	// The error returned by the Azure service.
-	ServiceError *ServiceError `json:"error" xml:"Error"`
+	ServiceError *ServiceError `json:"error"`

 	// The request id (from the x-ms-request-id-header) of the request.
 	RequestID string
@@ -286,34 +285,26 @@ func WithErrorUnlessStatusCode(codes ...int) autorest.RespondDecorator {
 				var e RequestError
 				defer resp.Body.Close()

-				encodedAs := autorest.EncodedAsJSON
-				if strings.Contains(resp.Header.Get("Content-Type"), "xml") {
-					encodedAs = autorest.EncodedAsXML
-				}
-
 				// Copy and replace the Body in case it does not contain an error object.
 				// This will leave the Body available to the caller.
-				b, decodeErr := autorest.CopyAndDecode(encodedAs, resp.Body, &e)
+				b, decodeErr := autorest.CopyAndDecode(autorest.EncodedAsJSON, resp.Body, &e)
 				resp.Body = ioutil.NopCloser(&b)
 				if decodeErr != nil {
 					return fmt.Errorf("autorest/azure: error response cannot be parsed: %q error: %v", b.String(), decodeErr)
 				}
 				if e.ServiceError == nil {
 					// Check if error is unwrapped ServiceError
-					decoder := autorest.NewDecoder(encodedAs, bytes.NewReader(b.Bytes()))
-					if err := decoder.Decode(&e.ServiceError); err != nil {
+					if err := json.Unmarshal(b.Bytes(), &e.ServiceError); err != nil {
 						return err
 					}
 				}
 				if e.ServiceError.Message == "" {
 					// if we're here it means the returned error wasn't OData v4 compliant.
-					// try to unmarshal the body in hopes of getting something.
+					// try to unmarshal the body as raw JSON in hopes of getting something.
 					rawBody := map[string]interface{}{}
-					decoder := autorest.NewDecoder(encodedAs, bytes.NewReader(b.Bytes()))
-					if err := decoder.Decode(&rawBody); err != nil {
+					if err := json.Unmarshal(b.Bytes(), &rawBody); err != nil {
 						return err
 					}
-
 					e.ServiceError = &ServiceError{
 						Code:    "Unknown",
 						Message: "Unknown service error",
--- a/vendor/github.com/Azure/go-autorest/autorest/azure/rp.go
+++ b/vendor/github.com/Azure/go-autorest/autorest/azure/rp.go
@@ -47,15 +47,11 @@ func DoRetryWithRegistration(client autorest.Client) autorest.SendDecorator {
 				if resp.StatusCode != http.StatusConflict || client.SkipResourceProviderRegistration {
 					return resp, err
 				}
-
 				var re RequestError
-				if strings.Contains(r.Header.Get("Content-Type"), "xml") {
-					// XML errors (e.g. Storage Data Plane) only return the inner object
-					err = autorest.Respond(resp, autorest.ByUnmarshallingXML(&re.ServiceError))
-				} else {
-					err = autorest.Respond(resp, autorest.ByUnmarshallingJSON(&re))
-				}
-
+				err = autorest.Respond(
+					resp,
+					autorest.ByUnmarshallingJSON(&re),
+				)
 				if err != nil {
 					return resp, err
 				}
--- a/vendor/github.com/Azure/go-autorest/autorest/client.go
+++ b/vendor/github.com/Azure/go-autorest/autorest/client.go
@@ -179,11 +179,6 @@ type Client struct {

 	// Set to true to skip attempted registration of resource providers (false by default).
 	SkipResourceProviderRegistration bool
-
-	// SendDecorators can be used to override the default chain of SendDecorators.
-	// This can be used to specify things like a custom retry SendDecorator.
-	// Set this to an empty slice to use no SendDecorators.
-	SendDecorators []SendDecorator
 }

 // NewClientWithUserAgent returns an instance of a Client with the UserAgent set to the passed
@@ -303,21 +298,3 @@ func (c Client) ByInspecting() RespondDecorator {
 	}
 	return c.ResponseInspector
 }
-
-// Send sends the provided http.Request using the client's Sender or the default sender.
-// It returns the http.Response and possible error. It also accepts a, possibly empty,
-// default set of SendDecorators used when sending the request.
-// SendDecorators have the following precedence:
-// 1. In a request's context via WithSendDecorators()
-// 2. Specified on the client in SendDecorators
-// 3. The default values specified in this method
-func (c Client) Send(req *http.Request, decorators ...SendDecorator) (*http.Response, error) {
-	if c.SendDecorators != nil {
-		decorators = c.SendDecorators
-	}
-	inCtx := req.Context().Value(ctxSendDecorators{})
-	if sd, ok := inCtx.([]SendDecorator); ok {
-		decorators = sd
-	}
-	return SendWithSender(c, req, decorators...)
-}
--- a/vendor/github.com/Azure/go-autorest/autorest/date/go.mod
+++ b/vendor/github.com/Azure/go-autorest/autorest/date/go.mod
@@ -1,5 +1,3 @@
 module github.com/Azure/go-autorest/autorest/date

 go 1.12
-
-require github.com/Azure/go-autorest/autorest v0.9.0
--- a/vendor/github.com/Azure/go-autorest/autorest/date/go.sum
+++ b/vendor/github.com/Azure/go-autorest/autorest/date/go.sum
@@ -1,16 +0,0 @@
-github.com/Azure/go-autorest/autorest v0.9.0 h1:MRvx8gncNaXJqOoLmhNjUAKh33JJF8LyxPhomEtOsjs=
-github.com/Azure/go-autorest/autorest v0.9.0/go.mod h1:xyHB1BMZT0cuDHU7I0+g046+BFDTQ8rEZB0s4Yfa6bI=
-github.com/Azure/go-autorest/autorest/adal v0.5.0 h1:q2gDruN08/guU9vAjuPWff0+QIrpH6ediguzdAzXAUU=
-github.com/Azure/go-autorest/autorest/adal v0.5.0/go.mod h1:8Z9fGy2MpX0PvDjB1pEgQTmVqjGhiHBW7RJJEciWzS0=
-github.com/Azure/go-autorest/autorest/date v0.1.0/go.mod h1:plvfp3oPSKwf2DNjlBjWF/7vwR+cUD/ELuzDCXwHUVA=
-github.com/Azure/go-autorest/autorest/mocks v0.1.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
-github.com/Azure/go-autorest/autorest/mocks v0.2.0 h1:Ww5g4zThfD/6cLb4z6xxgeyDa7QDkizMkJKe0ysZXp0=
-github.com/Azure/go-autorest/autorest/mocks v0.2.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
-github.com/Azure/go-autorest/logger v0.1.0 h1:ruG4BSDXONFRrZZJ2GUXDiUyVpayPmb1GnWeHDdaNKY=
-github.com/Azure/go-autorest/logger v0.1.0/go.mod h1:oExouG+K6PryycPJfVSxi/koC6LSNgds39diKLz7Vrc=
-github.com/Azure/go-autorest/tracing v0.5.0 h1:TRn4WjSnkcSy5AEG3pnbtFSwNtwzjr4VYyQflFE619k=
-github.com/Azure/go-autorest/tracing v0.5.0/go.mod h1:r/s2XiOKccPW3HrqB+W0TQzfbtp2fGCgRFtBroKn4Dk=
-github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumCAMpl/TFQ4/5kLM=
-github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
-golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
--- a/vendor/github.com/Azure/go-autorest/autorest/date/go_mod_tidy_hack.go
+++ b/vendor/github.com/Azure/go-autorest/autorest/date/go_mod_tidy_hack.go
@@ -1,24 +0,0 @@
-// +build modhack
-
-package date
-
-// Copyright 2017 Microsoft Corporation
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-// This file, and the github.com/Azure/go-autorest/autorest import, won't actually become part of
-// the resultant binary.
-
-// Necessary for safely adding multi-module repo.
-// See: https://github.com/golang/go/wiki/Modules#is-it-possible-to-add-a-module-to-a-multi-module-repository
-import _ "github.com/Azure/go-autorest/autorest"
--- a/vendor/github.com/Azure/go-autorest/autorest/go.mod
+++ b/vendor/github.com/Azure/go-autorest/autorest/go.mod
@@ -3,9 +3,9 @@ module github.com/Azure/go-autorest/autorest
 go 1.12

 require (
-	github.com/Azure/go-autorest/autorest/adal v0.8.2
-	github.com/Azure/go-autorest/autorest/mocks v0.3.0
+	github.com/Azure/go-autorest/autorest/adal v0.5.0
+	github.com/Azure/go-autorest/autorest/mocks v0.2.0
 	github.com/Azure/go-autorest/logger v0.1.0
 	github.com/Azure/go-autorest/tracing v0.5.0
-	golang.org/x/crypto v0.0.0-20191206172530-e9b2fee46413
+	golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2
 )
--- a/vendor/github.com/Azure/go-autorest/autorest/go.sum
+++ b/vendor/github.com/Azure/go-autorest/autorest/go.sum
@@ -1,18 +1,11 @@
-github.com/Azure/go-autorest/autorest v0.9.0/go.mod h1:xyHB1BMZT0cuDHU7I0+g046+BFDTQ8rEZB0s4Yfa6bI=
 github.com/Azure/go-autorest/autorest/adal v0.5.0 h1:q2gDruN08/guU9vAjuPWff0+QIrpH6ediguzdAzXAUU=
 github.com/Azure/go-autorest/autorest/adal v0.5.0/go.mod h1:8Z9fGy2MpX0PvDjB1pEgQTmVqjGhiHBW7RJJEciWzS0=
-github.com/Azure/go-autorest/autorest/adal v0.8.2 h1:O1X4oexUxnZCaEUGsvMnr8ZGj8HI37tNezwY4npRqA0=
-github.com/Azure/go-autorest/autorest/adal v0.8.2/go.mod h1:ZjhuQClTqx435SRJ2iMlOxPYt3d2C/T/7TiQCVZSn3Q=
 github.com/Azure/go-autorest/autorest/date v0.1.0 h1:YGrhWfrgtFs84+h0o46rJrlmsZtyZRg470CqAXTZaGM=
 github.com/Azure/go-autorest/autorest/date v0.1.0/go.mod h1:plvfp3oPSKwf2DNjlBjWF/7vwR+cUD/ELuzDCXwHUVA=
-github.com/Azure/go-autorest/autorest/date v0.2.0 h1:yW+Zlqf26583pE43KhfnhFcdmSWlm5Ew6bxipnr/tbM=
-github.com/Azure/go-autorest/autorest/date v0.2.0/go.mod h1:vcORJHLJEh643/Ioh9+vPmf1Ij9AEBM5FuBIXLmIy0g=
 github.com/Azure/go-autorest/autorest/mocks v0.1.0 h1:Kx+AUU2Te+A3JIyYn6Dfs+cFgx5XorQKuIXrZGoq/SI=
 github.com/Azure/go-autorest/autorest/mocks v0.1.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
 github.com/Azure/go-autorest/autorest/mocks v0.2.0 h1:Ww5g4zThfD/6cLb4z6xxgeyDa7QDkizMkJKe0ysZXp0=
 github.com/Azure/go-autorest/autorest/mocks v0.2.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
-github.com/Azure/go-autorest/autorest/mocks v0.3.0 h1:qJumjCaCudz+OcqE9/XtEPfvtOjOmKaui4EOpFI6zZc=
-github.com/Azure/go-autorest/autorest/mocks v0.3.0/go.mod h1:a8FDP3DYzQ4RYfVAxAN3SVSiiO77gL2j2ronKKP0syM=
 github.com/Azure/go-autorest/logger v0.1.0 h1:ruG4BSDXONFRrZZJ2GUXDiUyVpayPmb1GnWeHDdaNKY=
 github.com/Azure/go-autorest/logger v0.1.0/go.mod h1:oExouG+K6PryycPJfVSxi/koC6LSNgds39diKLz7Vrc=
 github.com/Azure/go-autorest/tracing v0.5.0 h1:TRn4WjSnkcSy5AEG3pnbtFSwNtwzjr4VYyQflFE619k=
@@ -21,10 +14,5 @@ github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumC
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2 h1:VklqNMn3ovrHsnt90PveolxSbWFaJdECFbxSq0Mqo2M=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/crypto v0.0.0-20191206172530-e9b2fee46413 h1:ULYEB3JvPRE/IfO+9uO7vKV/xzVTO7XPAwm8xbf4w2g=
-golang.org/x/crypto v0.0.0-20191206172530-e9b2fee46413/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
-golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a h1:1BGLXjeY4akVXGgbC9HugT3Jv3hCI0z56oJR5vAMgBU=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
--- a/vendor/github.com/Azure/go-autorest/autorest/preparer.go
+++ b/vendor/github.com/Azure/go-autorest/autorest/preparer.go
@@ -523,7 +523,7 @@ func parseURL(u *url.URL, path string) (*url.URL, error) {
 // WithQueryParameters returns a PrepareDecorators that encodes and applies the query parameters
 // given in the supplied map (i.e., key=value).
 func WithQueryParameters(queryParameters map[string]interface{}) PrepareDecorator {
-	parameters := MapToValues(queryParameters)
+	parameters := ensureValueStrings(queryParameters)
 	return func(p Preparer) Preparer {
 		return PreparerFunc(func(r *http.Request) (*http.Request, error) {
 			r, err := p.Prepare(r)
@@ -531,16 +531,14 @@ func WithQueryParameters(queryParameters map[string]interface{}) PrepareDecorato
 				if r.URL == nil {
 					return r, NewError("autorest", "WithQueryParameters", "Invoked with a nil URL")
 				}
+
 				v := r.URL.Query()
 				for key, value := range parameters {
-					for i := range value {
-						d, err := url.QueryUnescape(value[i])
-						if err != nil {
-							return r, err
-						}
-						value[i] = d
+					d, err := url.QueryUnescape(value)
+					if err != nil {
+						return r, err
 					}
-					v[key] = value
+					v.Add(key, d)
 				}
 				r.URL.RawQuery = v.Encode()
 			}
--- a/vendor/github.com/Azure/go-autorest/autorest/sender.go
+++ b/vendor/github.com/Azure/go-autorest/autorest/sender.go
@@ -243,7 +243,6 @@ func DoRetryForAttempts(attempts int, backoff time.Duration) SendDecorator {
 				if err != nil {
 					return resp, err
 				}
-				DrainResponseBody(resp)
 				resp, err = s.Do(rr.Request())
 				if err == nil {
 					return resp, err
@@ -284,26 +283,23 @@ func DoRetryForStatusCodesWithCap(attempts int, backoff, cap time.Duration, code
 func doRetryForStatusCodesImpl(s Sender, r *http.Request, count429 bool, attempts int, backoff, cap time.Duration, codes ...int) (resp *http.Response, err error) {
 	rr := NewRetriableRequest(r)
 	// Increment to add the first call (attempts denotes number of retries)
-	for attempt, delayCount := 0, 0; attempt < attempts+1; {
+	for attempt := 0; attempt < attempts+1; {
 		err = rr.Prepare()
 		if err != nil {
 			return
 		}
-		DrainResponseBody(resp)
 		resp, err = s.Do(rr.Request())
+		// if the error isn't temporary don't bother retrying
+		if err != nil && !IsTemporaryNetworkError(err) {
+			return
+		}
 		// we want to retry if err is not nil (e.g. transient network failure).  note that for failed authentication
 		// resp and err will both have a value, so in this case we don't want to retry as it will never succeed.
 		if err == nil && !ResponseHasStatusCode(resp, codes...) || IsTokenRefreshError(err) {
 			return resp, err
 		}
 		delayed := DelayWithRetryAfter(resp, r.Context().Done())
-		// enforce a 2 minute cap between requests when 429 status codes are
-		// not going to be counted as an attempt and when the cap is 0.
-		// this should only happen in the absence of a retry-after header.
-		if !count429 && cap == 0 {
-			cap = 2 * time.Minute
-		}
-		if !delayed && !DelayForBackoffWithCap(backoff, cap, delayCount, r.Context().Done()) {
+		if !delayed && !DelayForBackoffWithCap(backoff, cap, attempt, r.Context().Done()) {
 			return resp, r.Context().Err()
 		}
 		// when count429 == false don't count a 429 against the number
@@ -311,9 +307,6 @@ func doRetryForStatusCodesImpl(s Sender, r *http.Request, count429 bool, attempt
 		if count429 || (resp == nil || resp.StatusCode != http.StatusTooManyRequests) {
 			attempt++
 		}
-		// delay count is tracked separately from attempts to
-		// ensure that 429 participates in exponential back-off
-		delayCount++
 	}
 	return resp, err
 }
@@ -358,7 +351,6 @@ func DoRetryForDuration(d time.Duration, backoff time.Duration) SendDecorator {
 				if err != nil {
 					return resp, err
 				}
-				DrainResponseBody(resp)
 				resp, err = s.Do(rr.Request())
 				if err == nil {
 					return resp, err
--- a/vendor/github.com/Azure/go-autorest/autorest/utility.go
+++ b/vendor/github.com/Azure/go-autorest/autorest/utility.go
@@ -20,7 +20,6 @@ import (
 	"encoding/xml"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"net"
 	"net/http"
 	"net/url"
@@ -141,18 +140,18 @@ func MapToValues(m map[string]interface{}) url.Values {
 	return v
 }

-// AsStringSlice method converts interface{} to []string.
-// s must be of type slice or array or an error is returned.
-// Each element of s will be converted to its string representation.
+// AsStringSlice method converts interface{} to []string. This expects a
+//that the parameter passed to be a slice or array of a type that has the underlying
+//type a string.
 func AsStringSlice(s interface{}) ([]string, error) {
 	v := reflect.ValueOf(s)
 	if v.Kind() != reflect.Slice && v.Kind() != reflect.Array {
-		return nil, NewError("autorest", "AsStringSlice", "the value's type is not a slice or array.")
+		return nil, NewError("autorest", "AsStringSlice", "the value's type is not an array.")
 	}
 	stringSlice := make([]string, 0, v.Len())

 	for i := 0; i < v.Len(); i++ {
-		stringSlice = append(stringSlice, fmt.Sprintf("%v", v.Index(i)))
+		stringSlice = append(stringSlice, v.Index(i).String())
 	}
 	return stringSlice, nil
 }
@@ -227,13 +226,3 @@ func IsTemporaryNetworkError(err error) bool {
 	}
 	return false
 }
-
-// DrainResponseBody reads the response body then closes it.
-func DrainResponseBody(resp *http.Response) error {
-	if resp != nil && resp.Body != nil {
-		_, err := io.Copy(ioutil.Discard, resp.Body)
-		resp.Body.Close()
-		return err
-	}
-	return nil
-}
--- a/vendor/github.com/Azure/go-autorest/autorest/version.go
+++ b/vendor/github.com/Azure/go-autorest/autorest/version.go
@@ -19,7 +19,7 @@ import (
 	"runtime"
 )

-const number = "v13.4.0"
+const number = "v13.0.0"

 var (
 	userAgent = fmt.Sprintf("Go/%s (%s-%s) go-autorest/%s",
--- a/vendor/github.com/evanphx/json-patch/.travis.yml
+++ b/vendor/github.com/evanphx/json-patch/.travis.yml
@@ -1,8 +1,8 @@
 language: go

 go:
-  - 1.14
-  - 1.13
+  - 1.8
+  - 1.7

 install:
  - if ! go get code.google.com/p/go.tools/cmd/cover; then go get golang.org/x/tools/cmd/cover; fi
@@ -11,9 +11,6 @@ install:
 script:
  - go get
  - go test -cover ./...
-  - cd ./v5
-  - go get
-  - go test -cover ./...

 notifications:
  email: false
--- a/vendor/github.com/evanphx/json-patch/LICENSE
+++ b/vendor/github.com/evanphx/json-patch/LICENSE
@@ -6,7 +6,7 @@ modification, are permitted provided that the following conditions are met:

 * Redistributions of source code must retain the above copyright notice, this
  list of conditions and the following disclaimer.
-* Redistributions in binary form must reproduce the above copyright notice,
+* Redistributions in binary form must reproduce the above copyright notice
  this list of conditions and the following disclaimer in the documentation
  and/or other materials provided with the distribution.
 * Neither the name of the Evan Phoenix nor the names of its contributors 
--- a/vendor/github.com/evanphx/json-patch/README.md
+++ b/vendor/github.com/evanphx/json-patch/README.md
@@ -1,5 +1,5 @@
 # JSON-Patch
-`jsonpatch` is a library which provides functionality for both applying
+`jsonpatch` is a library which provides functionallity for both applying
 [RFC6902 JSON patches](http://tools.ietf.org/html/rfc6902) against documents, as
 well as for calculating & applying [RFC7396 JSON merge patches](https://tools.ietf.org/html/rfc7396).

@@ -11,11 +11,10 @@ well as for calculating & applying [RFC7396 JSON merge patches](https://tools.ie

 **Latest and greatest**: 
 ```bash
-go get -u github.com/evanphx/json-patch/v5
+go get -u github.com/evanphx/json-patch
 ```

 **Stable Versions**:
-* Version 5: `go get -u gopkg.in/evanphx/json-patch.v5`
 * Version 4: `go get -u gopkg.in/evanphx/json-patch.v4`

 (previous versions below `v3` are unavailable)
@@ -83,7 +82,7 @@ When ran, you get the following output:
 ```bash
 $ go run main.go
 patch document:   {"height":null,"name":"Jane"}
-updated alternative doc: {"age":28,"name":"Jane"}
+updated tina doc: {"age":28,"name":"Jane"}
 ```

 ## Create and apply a JSON Patch
@@ -165,7 +164,7 @@ func main() {
 	}

 	if !jsonpatch.Equal(original, different) {
-		fmt.Println(`"original" is _not_ structurally equal to "different"`)
+		fmt.Println(`"original" is _not_ structurally equal to "similar"`)
 	}
 }
 ```
@@ -174,7 +173,7 @@ When ran, you get the following output:
 ```bash
 $ go run main.go
 "original" is structurally equal to "similar"
-"original" is _not_ structurally equal to "different"
+"original" is _not_ structurally equal to "similar"
 ```

 ## Combine merge patches
--- a/vendor/github.com/evanphx/json-patch/merge.go
+++ b/vendor/github.com/evanphx/json-patch/merge.go
@@ -307,16 +307,13 @@ func matchesValue(av, bv interface{}) bool {
 		return true
 	case map[string]interface{}:
 		bt := bv.(map[string]interface{})
-		if len(bt) != len(at) {
-			return false
-		}
-		for key := range bt {
-			av, aOK := at[key]
-			bv, bOK := bt[key]
-			if aOK != bOK {
+		for key := range at {
+			if !matchesValue(at[key], bt[key]) {
 				return false
 			}
-			if !matchesValue(av, bv) {
+		}
+		for key := range bt {
+			if !matchesValue(at[key], bt[key]) {
 				return false
 			}
 		}
--- a/vendor/github.com/evanphx/json-patch/patch.go
+++ b/vendor/github.com/evanphx/json-patch/patch.go
@@ -6,8 +6,6 @@ import (
 	"fmt"
 	"strconv"
 	"strings"
-
-	"github.com/pkg/errors"
 )

 const (
@@ -26,14 +24,6 @@ var (
 	AccumulatedCopySizeLimit int64 = 0
 )

-var (
-	ErrTestFailed   = errors.New("test failed")
-	ErrMissing      = errors.New("missing value")
-	ErrUnknownType  = errors.New("unknown object type")
-	ErrInvalid      = errors.New("invalid state detected")
-	ErrInvalidIndex = errors.New("invalid index referenced")
-)
-
 type lazyNode struct {
 	raw   *json.RawMessage
 	doc   partialDoc
@@ -41,11 +31,10 @@ type lazyNode struct {
 	which int
 }

-// Operation is a single JSON-Patch step, such as a single 'add' operation.
-type Operation map[string]*json.RawMessage
+type operation map[string]*json.RawMessage

-// Patch is an ordered collection of Operations.
-type Patch []Operation
+// Patch is an ordered collection of operations.
+type Patch []operation

 type partialDoc map[string]*lazyNode
 type partialArray []*lazyNode
@@ -70,7 +59,7 @@ func (n *lazyNode) MarshalJSON() ([]byte, error) {
 	case eAry:
 		return json.Marshal(n.ary)
 	default:
-		return nil, ErrUnknownType
+		return nil, fmt.Errorf("Unknown type")
 	}
 }

@@ -102,7 +91,7 @@ func (n *lazyNode) intoDoc() (*partialDoc, error) {
 	}

 	if n.raw == nil {
-		return nil, ErrInvalid
+		return nil, fmt.Errorf("Unable to unmarshal nil pointer as partial document")
 	}

 	err := json.Unmarshal(*n.raw, &n.doc)
@@ -121,7 +110,7 @@ func (n *lazyNode) intoAry() (*partialArray, error) {
 	}

 	if n.raw == nil {
-		return nil, ErrInvalid
+		return nil, fmt.Errorf("Unable to unmarshal nil pointer as partial array")
 	}

 	err := json.Unmarshal(*n.raw, &n.ary)
@@ -202,10 +191,6 @@ func (n *lazyNode) equal(o *lazyNode) bool {
 			return false
 		}

-		if len(n.doc) != len(o.doc) {
-			return false
-		}
-
 		for k, v := range n.doc {
 			ov, ok := o.doc[k]

@@ -213,10 +198,6 @@ func (n *lazyNode) equal(o *lazyNode) bool {
 				return false
 			}

-			if (v == nil) != (ov == nil) {
-				return false
-			}
-
 			if v == nil && ov == nil {
 				continue
 			}
@@ -246,8 +227,7 @@ func (n *lazyNode) equal(o *lazyNode) bool {
 	return true
 }

-// Kind reads the "op" field of the Operation.
-func (o Operation) Kind() string {
+func (o operation) kind() string {
 	if obj, ok := o["op"]; ok && obj != nil {
 		var op string

@@ -263,41 +243,39 @@ func (o Operation) Kind() string {
 	return "unknown"
 }

-// Path reads the "path" field of the Operation.
-func (o Operation) Path() (string, error) {
+func (o operation) path() string {
 	if obj, ok := o["path"]; ok && obj != nil {
 		var op string

 		err := json.Unmarshal(*obj, &op)

 		if err != nil {
-			return "unknown", err
+			return "unknown"
 		}

-		return op, nil
+		return op
 	}

-	return "unknown", errors.Wrapf(ErrMissing, "operation missing path field")
+	return "unknown"
 }

-// From reads the "from" field of the Operation.
-func (o Operation) From() (string, error) {
+func (o operation) from() string {
 	if obj, ok := o["from"]; ok && obj != nil {
 		var op string

 		err := json.Unmarshal(*obj, &op)

 		if err != nil {
-			return "unknown", err
+			return "unknown"
 		}

-		return op, nil
+		return op
 	}

-	return "unknown", errors.Wrapf(ErrMissing, "operation, missing from field")
+	return "unknown"
 }

-func (o Operation) value() *lazyNode {
+func (o operation) value() *lazyNode {
 	if obj, ok := o["value"]; ok {
 		return newLazyNode(obj)
 	}
@@ -305,23 +283,6 @@ func (o Operation) value() *lazyNode {
 	return nil
 }

-// ValueInterface decodes the operation value into an interface.
-func (o Operation) ValueInterface() (interface{}, error) {
-	if obj, ok := o["value"]; ok && obj != nil {
-		var v interface{}
-
-		err := json.Unmarshal(*obj, &v)
-
-		if err != nil {
-			return nil, err
-		}
-
-		return v, nil
-	}
-
-	return nil, errors.Wrapf(ErrMissing, "operation, missing value field")
-}
-
 func isArray(buf []byte) bool {
 Loop:
 	for _, c := range buf {
@@ -398,7 +359,7 @@ func (d *partialDoc) get(key string) (*lazyNode, error) {
 func (d *partialDoc) remove(key string) error {
 	_, ok := (*d)[key]
 	if !ok {
-		return errors.Wrapf(ErrMissing, "Unable to remove nonexistent key: %s", key)
+		return fmt.Errorf("Unable to remove nonexistent key: %s", key)
 	}

 	delete(*d, key)
@@ -424,7 +385,7 @@ func (d *partialArray) add(key string, val *lazyNode) error {

 	idx, err := strconv.Atoi(key)
 	if err != nil {
-		return errors.Wrapf(err, "value was not a proper array index: '%s'", key)
+		return err
 	}

 	sz := len(*d) + 1
@@ -434,17 +395,17 @@ func (d *partialArray) add(key string, val *lazyNode) error {
 	cur := *d

 	if idx >= len(ary) {
-		return errors.Wrapf(ErrInvalidIndex, "Unable to access invalid index: %d", idx)
+		return fmt.Errorf("Unable to access invalid index: %d", idx)
 	}

-	if idx < 0 {
-		if !SupportNegativeIndices {
-			return errors.Wrapf(ErrInvalidIndex, "Unable to access invalid index: %d", idx)
-		}
+	if SupportNegativeIndices {
 		if idx < -len(ary) {
-			return errors.Wrapf(ErrInvalidIndex, "Unable to access invalid index: %d", idx)
+			return fmt.Errorf("Unable to access invalid index: %d", idx)
+		}
+
+		if idx < 0 {
+			idx += len(ary)
 		}
-		idx += len(ary)
 	}

 	copy(ary[0:idx], cur[0:idx])
@@ -463,7 +424,7 @@ func (d *partialArray) get(key string) (*lazyNode, error) {
 	}

 	if idx >= len(*d) {
-		return nil, errors.Wrapf(ErrInvalidIndex, "Unable to access invalid index: %d", idx)
+		return nil, fmt.Errorf("Unable to access invalid index: %d", idx)
 	}

 	return (*d)[idx], nil
@@ -478,17 +439,17 @@ func (d *partialArray) remove(key string) error {
 	cur := *d

 	if idx >= len(cur) {
-		return errors.Wrapf(ErrInvalidIndex, "Unable to access invalid index: %d", idx)
+		return fmt.Errorf("Unable to access invalid index: %d", idx)
 	}

-	if idx < 0 {
-		if !SupportNegativeIndices {
-			return errors.Wrapf(ErrInvalidIndex, "Unable to access invalid index: %d", idx)
-		}
+	if SupportNegativeIndices {
 		if idx < -len(cur) {
-			return errors.Wrapf(ErrInvalidIndex, "Unable to access invalid index: %d", idx)
+			return fmt.Errorf("Unable to access invalid index: %d", idx)
+		}
+
+		if idx < 0 {
+			idx += len(cur)
 		}
-		idx += len(cur)
 	}

 	ary := make([]*lazyNode, len(cur)-1)
@@ -501,189 +462,140 @@ func (d *partialArray) remove(key string) error {

 }

-func (p Patch) add(doc *container, op Operation) error {
-	path, err := op.Path()
-	if err != nil {
-		return errors.Wrapf(ErrMissing, "add operation failed to decode path")
-	}
+func (p Patch) add(doc *container, op operation) error {
+	path := op.path()

 	con, key := findObject(doc, path)

 	if con == nil {
-		return errors.Wrapf(ErrMissing, "add operation does not apply: doc is missing path: \"%s\"", path)
+		return fmt.Errorf("jsonpatch add operation does not apply: doc is missing path: \"%s\"", path)
 	}

-	err = con.add(key, op.value())
-	if err != nil {
-		return errors.Wrapf(err, "error in add for path: '%s'", path)
-	}
-
-	return nil
+	return con.add(key, op.value())
 }

-func (p Patch) remove(doc *container, op Operation) error {
-	path, err := op.Path()
-	if err != nil {
-		return errors.Wrapf(ErrMissing, "remove operation failed to decode path")
-	}
+func (p Patch) remove(doc *container, op operation) error {
+	path := op.path()

 	con, key := findObject(doc, path)

 	if con == nil {
-		return errors.Wrapf(ErrMissing, "remove operation does not apply: doc is missing path: \"%s\"", path)
+		return fmt.Errorf("jsonpatch remove operation does not apply: doc is missing path: \"%s\"", path)
 	}

-	err = con.remove(key)
-	if err != nil {
-		return errors.Wrapf(err, "error in remove for path: '%s'", path)
-	}
-
-	return nil
+	return con.remove(key)
 }

-func (p Patch) replace(doc *container, op Operation) error {
-	path, err := op.Path()
-	if err != nil {
-		return errors.Wrapf(err, "replace operation failed to decode path")
-	}
+func (p Patch) replace(doc *container, op operation) error {
+	path := op.path()

 	con, key := findObject(doc, path)

 	if con == nil {
-		return errors.Wrapf(ErrMissing, "replace operation does not apply: doc is missing path: %s", path)
+		return fmt.Errorf("jsonpatch replace operation does not apply: doc is missing path: %s", path)
 	}

 	_, ok := con.get(key)
 	if ok != nil {
-		return errors.Wrapf(ErrMissing, "replace operation does not apply: doc is missing key: %s", path)
+		return fmt.Errorf("jsonpatch replace operation does not apply: doc is missing key: %s", path)
 	}

-	err = con.set(key, op.value())
-	if err != nil {
-		return errors.Wrapf(err, "error in remove for path: '%s'", path)
-	}
-
-	return nil
+	return con.set(key, op.value())
 }

-func (p Patch) move(doc *container, op Operation) error {
-	from, err := op.From()
-	if err != nil {
-		return errors.Wrapf(err, "move operation failed to decode from")
-	}
+func (p Patch) move(doc *container, op operation) error {
+	from := op.from()

 	con, key := findObject(doc, from)

 	if con == nil {
-		return errors.Wrapf(ErrMissing, "move operation does not apply: doc is missing from path: %s", from)
+		return fmt.Errorf("jsonpatch move operation does not apply: doc is missing from path: %s", from)
 	}

 	val, err := con.get(key)
 	if err != nil {
-		return errors.Wrapf(err, "error in move for path: '%s'", key)
+		return err
 	}

 	err = con.remove(key)
 	if err != nil {
-		return errors.Wrapf(err, "error in move for path: '%s'", key)
+		return err
 	}

-	path, err := op.Path()
-	if err != nil {
-		return errors.Wrapf(err, "move operation failed to decode path")
-	}
+	path := op.path()

 	con, key = findObject(doc, path)

 	if con == nil {
-		return errors.Wrapf(ErrMissing, "move operation does not apply: doc is missing destination path: %s", path)
+		return fmt.Errorf("jsonpatch move operation does not apply: doc is missing destination path: %s", path)
 	}

-	err = con.add(key, val)
-	if err != nil {
-		return errors.Wrapf(err, "error in move for path: '%s'", path)
-	}
-
-	return nil
+	return con.add(key, val)
 }

-func (p Patch) test(doc *container, op Operation) error {
-	path, err := op.Path()
-	if err != nil {
-		return errors.Wrapf(err, "test operation failed to decode path")
-	}
+func (p Patch) test(doc *container, op operation) error {
+	path := op.path()

 	con, key := findObject(doc, path)

 	if con == nil {
-		return errors.Wrapf(ErrMissing, "test operation does not apply: is missing path: %s", path)
+		return fmt.Errorf("jsonpatch test operation does not apply: is missing path: %s", path)
 	}

 	val, err := con.get(key)
+
 	if err != nil {
-		return errors.Wrapf(err, "error in test for path: '%s'", path)
+		return err
 	}

 	if val == nil {
 		if op.value().raw == nil {
 			return nil
 		}
-		return errors.Wrapf(ErrTestFailed, "testing value %s failed", path)
+		return fmt.Errorf("Testing value %s failed", path)
 	} else if op.value() == nil {
-		return errors.Wrapf(ErrTestFailed, "testing value %s failed", path)
+		return fmt.Errorf("Testing value %s failed", path)
 	}

 	if val.equal(op.value()) {
 		return nil
 	}

-	return errors.Wrapf(ErrTestFailed, "testing value %s failed", path)
+	return fmt.Errorf("Testing value %s failed", path)
 }

-func (p Patch) copy(doc *container, op Operation, accumulatedCopySize *int64) error {
-	from, err := op.From()
-	if err != nil {
-		return errors.Wrapf(err, "copy operation failed to decode from")
-	}
+func (p Patch) copy(doc *container, op operation, accumulatedCopySize *int64) error {
+	from := op.from()

 	con, key := findObject(doc, from)

 	if con == nil {
-		return errors.Wrapf(ErrMissing, "copy operation does not apply: doc is missing from path: %s", from)
+		return fmt.Errorf("jsonpatch copy operation does not apply: doc is missing from path: %s", from)
 	}

 	val, err := con.get(key)
 	if err != nil {
-		return errors.Wrapf(err, "error in copy for from: '%s'", from)
+		return err
 	}

-	path, err := op.Path()
-	if err != nil {
-		return errors.Wrapf(ErrMissing, "copy operation failed to decode path")
-	}
+	path := op.path()

 	con, key = findObject(doc, path)

 	if con == nil {
-		return errors.Wrapf(ErrMissing, "copy operation does not apply: doc is missing destination path: %s", path)
+		return fmt.Errorf("jsonpatch copy operation does not apply: doc is missing destination path: %s", path)
 	}

 	valCopy, sz, err := deepCopy(val)
 	if err != nil {
-		return errors.Wrapf(err, "error while performing deep copy")
+		return err
 	}
-
 	(*accumulatedCopySize) += int64(sz)
 	if AccumulatedCopySizeLimit > 0 && *accumulatedCopySize > AccumulatedCopySizeLimit {
 		return NewAccumulatedCopySizeError(AccumulatedCopySizeLimit, *accumulatedCopySize)
 	}

-	err = con.add(key, valCopy)
-	if err != nil {
-		return errors.Wrapf(err, "error while adding value during copy")
-	}
-
-	return nil
+	return con.add(key, valCopy)
 }

 // Equal indicates if 2 JSON documents have the same structural equality.
@@ -739,7 +651,7 @@ func (p Patch) ApplyIndent(doc []byte, indent string) ([]byte, error) {
 	var accumulatedCopySize int64

 	for _, op := range p {
-		switch op.Kind() {
+		switch op.kind() {
 		case "add":
 			err = p.add(&pd, op)
 		case "remove":
@@ -753,7 +665,7 @@ func (p Patch) ApplyIndent(doc []byte, indent string) ([]byte, error) {
 		case "copy":
 			err = p.copy(&pd, op, &accumulatedCopySize)
 		default:
-			err = fmt.Errorf("Unexpected kind: %s", op.Kind())
+			err = fmt.Errorf("Unexpected kind: %s", op.kind())
 		}

 		if err != nil {
--- a/vendor/github.com/go-logr/logr/README.md
+++ b/vendor/github.com/go-logr/logr/README.md
@@ -1,9 +1,9 @@
 # A more minimal logging API for Go

-Before you consider this package, please read [this blog post by the
-inimitable Dave Cheney][warning-makes-no-sense].  I really appreciate what
-he has to say, and it largely aligns with my own experiences.  Too many
-choices of levels means inconsistent logs.
+Before you consider this package, please read [this blog post by the inimitable
+Dave Cheney](http://dave.cheney.net/2015/11/05/lets-talk-about-logging).  I
+really appreciate what he has to say, and it largely aligns with my own
+experiences.  Too many choices of levels means inconsistent logs.

 This package offers a purely abstract interface, based on these ideas but with
 a few twists.  Code can depend on just this interface and have the actual
@@ -31,151 +31,6 @@ may feel very similar, but the primary difference is the lack of semantics.
 Because verbosity is a numerical value, it's safe to assume that an app running
 with higher verbosity means more (and less important) logs will be generated.

-This is a BETA grade API.
-
-There are implementations for the following logging libraries:
-
- **github.com/google/glog**: [glogr](https://github.com/go-logr/glogr)
- **k8s.io/klog**: [klogr](https://git.k8s.io/klog/klogr)
- **go.uber.org/zap**: [zapr](https://github.com/go-logr/zapr)
- **log** (the Go standard library logger):
-  [stdr](https://github.com/go-logr/stdr)
- **github.com/sirupsen/logrus**: [logrusr](https://github.com/bombsimon/logrusr)
-
-# FAQ
-
-## Conceptual
-
-## Why structured logging?
-
- **Structured logs are more easily queriable**: Since you've got
-  key-value pairs, it's much easier to query your structured logs for
-  particular values by filtering on the contents of a particular key --
-  think searching request logs for error codes, Kubernetes reconcilers for
-  the name and namespace of the reconciled object, etc
-
- **Structured logging makes it easier to have cross-referencable logs**:
-  Similarly to searchability, if you maintain conventions around your
-  keys, it becomes easy to gather all log lines related to a particular
-  concept.
- 
- **Structured logs allow better dimensions of filtering**: if you have
-  structure to your logs, you've got more precise control over how much
-  information is logged -- you might choose in a particular configuration
-  to log certain keys but not others, only log lines where a certain key
-  matches a certain value, etc, instead of just having v-levels and names
-  to key off of.
-
- **Structured logs better represent structured data**: sometimes, the
-  data that you want to log is inherently structured (think tuple-link
-  objects).  Structured logs allow you to preserve that structure when
-  outputting.
-
-## Why V-levels?
-
-**V-levels give operators an easy way to control the chattiness of log
-operations**.  V-levels provide a way for a given package to distinguish
-the relative importance or verbosity of a given log message.  Then, if
-a particular logger or package is logging too many messages, the user
-of the package can simply change the v-levels for that library. 
-
-## Why not more named levels, like Warning?
-
-Read [Dave Cheney's post][warning-makes-no-sense].  Then read [Differences
-from Dave's ideas](#differences-from-daves-ideas).
-
-## Why not allow format strings, too?
-
-**Format strings negate many of the benefits of structured logs**:
-
- They're not easily searchable without resorting to fuzzy searching,
-  regular expressions, etc
-
- They don't store structured data well, since contents are flattened into
-  a string
-
- They're not cross-referencable
-
- They don't compress easily, since the message is not constant
-
-(unless you turn positional parameters into key-value pairs with numerical
-keys, at which point you've gotten key-value logging with meaningless
-keys)
-
-## Practical
-
-## Why key-value pairs, and not a map?
-
-Key-value pairs are *much* easier to optimize, especially around
-allocations.  Zap (a structured logger that inspired logr's interface) has
-[performance measurements](https://github.com/uber-go/zap#performance)
-that show this quite nicely.
-
-While the interface ends up being a little less obvious, you get
-potentially better performance, plus avoid making users type
-`map[string]string{}` every time they want to log.
-
-## What if my V-levels differ between libraries?
-
-That's fine.  Control your V-levels on a per-logger basis, and use the
-`WithName` function to pass different loggers to different libraries.
-
-Generally, you should take care to ensure that you have relatively
-consistent V-levels within a given logger, however, as this makes deciding
-on what verbosity of logs to request easier.
-
-## But I *really* want to use a format string!
-
-That's not actually a question.  Assuming your question is "how do
-I convert my mental model of logging with format strings to logging with
-constant messages":
-
-1. figure out what the error actually is, as you'd write in a TL;DR style,
-   and use that as a message
-
-2. For every place you'd write a format specifier, look to the word before
-   it, and add that as a key value pair
-
-For instance, consider the following examples (all taken from spots in the
-Kubernetes codebase):
-
- `klog.V(4).Infof("Client is returning errors: code %v, error %v",
-  responseCode, err)` becomes `logger.Error(err, "client returned an
-  error", "code", responseCode)`
-
- `klog.V(4).Infof("Got a Retry-After %ds response for attempt %d to %v",
-  seconds, retries, url)` becomes `logger.V(4).Info("got a retry-after
-  response when requesting url", "attempt", retries, "after
-  seconds", seconds, "url", url)`
-
-If you *really* must use a format string, place it as a key value, and
-call `fmt.Sprintf` yourself -- for instance, `log.Printf("unable to
-reflect over type %T")` becomes `logger.Info("unable to reflect over
-type", "type", fmt.Sprintf("%T"))`.  In general though, the cases where
-this is necessary should be few and far between.
-
-## How do I choose my V-levels?
-
-This is basically the only hard constraint: increase V-levels to denote
-more verbose or more debug-y logs.
-
-Otherwise, you can start out with `0` as "you always want to see this",
-`1` as "common logging that you might *possibly* want to turn off", and
-`10` as "I would like to performance-test your log collection stack".
-
-Then gradually choose levels in between as you need them, working your way
-down from 10 (for debug and trace style logs) and up from 1 (for chattier
-info-type logs).
-
-## How do I choose my keys
-
- make your keys human-readable
- constant keys are generally a good idea
- be consistent across your codebase
- keys should naturally match parts of the message string
-
-While key names are mostly unrestricted (and spaces are acceptable),
-it's generally a good idea to stick to printable ascii characters, or at
-least match the general character set of your log lines.
-
-[warning-makes-no-sense]: http://dave.cheney.net/2015/11/05/lets-talk-about-logging
+This is a BETA grade API.  I have implemented it for
+[glog](https://godoc.org/github.com/golang/glog). Until there is a significant
+2nd implementation, I don't really know how it will change.
--- a/vendor/github.com/go-logr/logr/go.mod
+++ b/vendor/github.com/go-logr/logr/go.mod
@@ -1,3 +0,0 @@
-module github.com/go-logr/logr
-
-go 1.14
--- a/vendor/github.com/go-logr/logr/logr.go
+++ b/vendor/github.com/go-logr/logr/logr.go
@@ -1,19 +1,3 @@
-/*
-Copyright 2019 The logr Authors.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
 // Package logr defines abstract interfaces for logging.  Packages can depend on
 // these interfaces and callers can implement logging in whatever way is
 // appropriate.
@@ -29,22 +13,22 @@ limitations under the License.
 //
 // Usage
 //
-// Logging is done using a Logger.  Loggers can have name prefixes and named
-// values attached, so that all log messages logged with that Logger have some
-// base context associated.
+// Logging is done using a Logger.  Loggers can have name prefixes and named values
+// attached, so that all log messages logged with that Logger have some base context
+// associated.
 //
-// The term "key" is used to refer to the name associated with a particular
-// value, to disambiguate it from the general Logger name.
+// The term "key" is used to refer to the name associated with a particular value, to
+// disambiguate it from the general Logger name.
 //
-// For instance, suppose we're trying to reconcile the state of an object, and
-// we want to log that we've made some decision.
+// For instance, suppose we're trying to reconcile the state of an object, and we want
+// to log that we've made some decision.
 //
-// With the traditional log package, we might write:
+// With the traditional log package, we might write
 //  log.Printf(
 //      "decided to set field foo to value %q for object %s/%s",
 //       targetValue, object.Namespace, object.Name)
 //
-// With logr's structured logging, we'd write:
+// With logr's structured logging, we'd write
 //  // elsewhere in the file, set up the logger to log with the prefix of "reconcilers",
 //  // and the named value target-type=Foo, for extra context.
 //  log := mainLogger.WithName("reconcilers").WithValues("target-type", "Foo")
@@ -52,95 +36,72 @@ limitations under the License.
 //  // later on...
 //  log.Info("setting field foo on object", "value", targetValue, "object", object)
 //
-// Depending on our logging implementation, we could then make logging decisions
-// based on field values (like only logging such events for objects in a certain
-// namespace), or copy the structured information into a structured log store.
+// Depending on our logging implementation, we could then make logging decisions based on field values
+// (like only logging such events for objects in a certain namespace), or copy the structured
+// information into a structured log store.
 //
-// For logging errors, Logger has a method called Error.  Suppose we wanted to
-// log an error while reconciling.  With the traditional log package, we might
-// write:
+// For logging errors, Logger has a method called Error.  Suppose we wanted to log an
+// error while reconciling.  With the traditional log package, we might write
 //   log.Errorf("unable to reconcile object %s/%s: %v", object.Namespace, object.Name, err)
 //
-// With logr, we'd instead write:
+// With logr, we'd instead write
 //   // assuming the above setup for log
 //   log.Error(err, "unable to reconcile object", "object", object)
 //
 // This functions similarly to:
 //   log.Info("unable to reconcile object", "error", err, "object", object)
 //
-// However, it ensures that a standard key for the error value ("error") is used
-// across all error logging.  Furthermore, certain implementations may choose to
-// attach additional information (such as stack traces) on calls to Error, so
-// it's preferred to use Error to log errors.
+// However, it ensures that a standard key for the error value ("error") is used across all
+// error logging.  Furthermore, certain implementations may choose to attach additional
+// information (such as stack traces) on calls to Error, so it's preferred to use Error
+// to log errors.
 //
 // Parts of a log line
 //
 // Each log message from a Logger has four types of context:
 // logger name, log verbosity, log message, and the named values.
 //
-// The Logger name constists of a series of name "segments" added by successive
-// calls to WithName.  These name segments will be joined in some way by the
-// underlying implementation.  It is strongly reccomended that name segements
-// contain simple identifiers (letters, digits, and hyphen), and do not contain
-// characters that could muddle the log output or confuse the joining operation
-// (e.g.  whitespace, commas, periods, slashes, brackets, quotes, etc).
+// The Logger name constists of a series of name "segments" added by successive calls to WithName.
+// These name segments will be joined in some way by the underlying implementation.  It is strongly
+// reccomended that name segements contain simple identifiers (letters, digits, and hyphen), and do
+// not contain characters that could muddle the log output or confuse the joining operation (e.g.
+// whitespace, commas, periods, slashes, brackets, quotes, etc).
 //
-// Log verbosity represents how little a log matters.  Level zero, the default,
-// matters most.  Increasing levels matter less and less.  Try to avoid lots of
-// different verbosity levels, and instead provide useful keys, logger names,
-// and log messages for users to filter on.  It's illegal to pass a log level
-// below zero.
+// Log verbosity represents how little a log matters.  Level zero, the default, matters most.
+// Increasing levels matter less and less.  Try to avoid lots of different verbosity levels,
+// and instead provide useful keys, logger names, and log messages for users to filter on.
+// It's illegal to pass a log level below zero.
 //
-// The log message consists of a constant message attached to the the log line.
-// This should generally be a simple description of what's occuring, and should
-// never be a format string.
+// The log message consists of a constant message attached to the the log line.  This
+// should generally be a simple description of what's occuring, and should never be a format string.
 //
-// Variable information can then be attached using named values (key/value
-// pairs).  Keys are arbitrary strings, while values may be any Go value.
+// Variable information can then be attached using named values (key/value pairs).  Keys are arbitrary
+// strings, while values may be any Go value.
 //
 // Key Naming Conventions
 //
-// Keys are not strictly required to conform to any specification or regex, but
-// it is recommended that they:
-//   * be human-readable and meaningful (not auto-generated or simple ordinals)
-//   * be constant (not dependent on input data)
-//   * contain only printable characters
-//   * not contain whitespace or punctuation
+// While users are generally free to use key names of their choice, it's generally best to avoid
+// using the following keys, as they're frequently used by implementations:
 //
-// These guidelines help ensure that log data is processed properly regardless
-// of the log implementation.  For example, log implementations will try to
-// output JSON data or will store data for later database (e.g. SQL) queries.
-//
-// While users are generally free to use key names of their choice, it's
-// generally best to avoid using the following keys, as they're frequently used
-// by implementations:
-//
-// - `"caller"`: the calling information (file/line) of a particular log line.
 // - `"error"`: the underlying error value in the `Error` method.
-// - `"level"`: the log level.
-// - `"logger"`: the name of the associated logger.
+// - `"stacktrace"`: the stack trace associated with a particular log line or error
+//                   (often from the `Error` message).
+// - `"caller"`: the calling information (file/line) of a particular log line.
 // - `"msg"`: the log message.
-// - `"stacktrace"`: the stack trace associated with a particular log line or
-//                   error (often from the `Error` message).
+// - `"level"`: the log level.
 // - `"ts"`: the timestamp for a log line.
 //
-// Implementations are encouraged to make use of these keys to represent the
-// above concepts, when neccessary (for example, in a pure-JSON output form, it
-// would be necessary to represent at least message and timestamp as ordinary
-// named values).
+// Implementations are encouraged to make use of these keys to represent the above
+// concepts, when neccessary (for example, in a pure-JSON output form, it would be
+// necessary to represent at least message and timestamp as ordinary named values).
 package logr

 // TODO: consider adding back in format strings if they're really needed
 // TODO: consider other bits of zap/zapcore functionality like ObjectMarshaller (for arbitrary objects)
 // TODO: consider other bits of glog functionality like Flush, InfoDepth, OutputStats

-// Logger represents the ability to log messages, both errors and not.
-type Logger interface {
-	// Enabled tests whether this Logger is enabled.  For example, commandline
-	// flags might be used to set the logging verbosity and disable some info
-	// logs.
-	Enabled() bool
-
+// InfoLogger represents the ability to log non-error messages, at a particular verbosity.
+type InfoLogger interface {
 	// Info logs a non-error message with the given key/value pairs as context.
 	//
 	// The msg argument should be used to add some constant description to
@@ -149,6 +110,19 @@ type Logger interface {
 	// keys and arbitrary values.
 	Info(msg string, keysAndValues ...interface{})

+	// Enabled tests whether this InfoLogger is enabled.  For example,
+	// commandline flags might be used to set the logging verbosity and disable
+	// some info logs.
+	Enabled() bool
+}
+
+// Logger represents the ability to log messages, both errors and not.
+type Logger interface {
+	// All Loggers implement InfoLogger.  Calling InfoLogger methods directly on
+	// a Logger value is equivalent to calling them on a V(0) InfoLogger.  For
+	// example, logger.Info() produces the same result as logger.V(0).Info.
+	InfoLogger
+
 	// Error logs an error, with the given message and key/value pairs as context.
 	// It functions similarly to calling Info with the "error" named value, but may
 	// have unique behavior, and should be preferred for logging errors (see the
@@ -159,11 +133,10 @@ type Logger interface {
 	// triggered this log line, if present.
 	Error(err error, msg string, keysAndValues ...interface{})

-	// V returns an Logger value for a specific verbosity level, relative to
-	// this Logger.  In other words, V values are additive.  V higher verbosity
-	// level means a log message is less important.  It's illegal to pass a log
-	// level less than zero.
-	V(level int) Logger
+	// V returns an InfoLogger value for a specific verbosity level.  A higher
+	// verbosity level means a log message is less important.  It's illegal to
+	// pass a log level less than zero.
+	V(level int) InfoLogger

 	// WithValues adds some key-value pairs of context to a logger.
 	// See Info for documentation on how key/value pairs work.
--- a/vendor/github.com/golang/groupcache/lru/lru.go
+++ b/vendor/github.com/golang/groupcache/lru/lru.go
@@ -25,7 +25,7 @@ type Cache struct {
 	// an item is evicted. Zero means no limit.
 	MaxEntries int

-	// OnEvicted optionally specifies a callback function to be
+	// OnEvicted optionally specificies a callback function to be
 	// executed when an entry is purged from the cache.
 	OnEvicted func(key Key, value interface{})

@@ -119,15 +119,3 @@ func (c *Cache) Len() int {
 	}
 	return c.ll.Len()
 }
-
-// Clear purges all stored items from the cache.
-func (c *Cache) Clear() {
-	if c.OnEvicted != nil {
-		for _, e := range c.cache {
-			kv := e.Value.(*entry)
-			c.OnEvicted(kv.key, kv.value)
-		}
-	}
-	c.ll = nil
-	c.cache = nil
-}
--- a/vendor/github.com/golang/protobuf/proto/buffer.go
+++ b/vendor/github.com/golang/protobuf/proto/buffer.go
@@ -1,324 +0,0 @@
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package proto
-
-import (
-	"errors"
-	"fmt"
-
-	"google.golang.org/protobuf/encoding/prototext"
-	"google.golang.org/protobuf/encoding/protowire"
-	"google.golang.org/protobuf/runtime/protoimpl"
-)
-
-const (
-	WireVarint     = 0
-	WireFixed32    = 5
-	WireFixed64    = 1
-	WireBytes      = 2
-	WireStartGroup = 3
-	WireEndGroup   = 4
-)
-
-// EncodeVarint returns the varint encoded bytes of v.
-func EncodeVarint(v uint64) []byte {
-	return protowire.AppendVarint(nil, v)
-}
-
-// SizeVarint returns the length of the varint encoded bytes of v.
-// This is equal to len(EncodeVarint(v)).
-func SizeVarint(v uint64) int {
-	return protowire.SizeVarint(v)
-}
-
-// DecodeVarint parses a varint encoded integer from b,
-// returning the integer value and the length of the varint.
-// It returns (0, 0) if there is a parse error.
-func DecodeVarint(b []byte) (uint64, int) {
-	v, n := protowire.ConsumeVarint(b)
-	if n < 0 {
-		return 0, 0
-	}
-	return v, n
-}
-
-// Buffer is a buffer for encoding and decoding the protobuf wire format.
-// It may be reused between invocations to reduce memory usage.
-type Buffer struct {
-	buf           []byte
-	idx           int
-	deterministic bool
-}
-
-// NewBuffer allocates a new Buffer initialized with buf,
-// where the contents of buf are considered the unread portion of the buffer.
-func NewBuffer(buf []byte) *Buffer {
-	return &Buffer{buf: buf}
-}
-
-// SetDeterministic specifies whether to use deterministic serialization.
-//
-// Deterministic serialization guarantees that for a given binary, equal
-// messages will always be serialized to the same bytes. This implies:
-//
-//   - Repeated serialization of a message will return the same bytes.
-//   - Different processes of the same binary (which may be executing on
-//     different machines) will serialize equal messages to the same bytes.
-//
-// Note that the deterministic serialization is NOT canonical across
-// languages. It is not guaranteed to remain stable over time. It is unstable
-// across different builds with schema changes due to unknown fields.
-// Users who need canonical serialization (e.g., persistent storage in a
-// canonical form, fingerprinting, etc.) should define their own
-// canonicalization specification and implement their own serializer rather
-// than relying on this API.
-//
-// If deterministic serialization is requested, map entries will be sorted
-// by keys in lexographical order. This is an implementation detail and
-// subject to change.
-func (b *Buffer) SetDeterministic(deterministic bool) {
-	b.deterministic = deterministic
-}
-
-// SetBuf sets buf as the internal buffer,
-// where the contents of buf are considered the unread portion of the buffer.
-func (b *Buffer) SetBuf(buf []byte) {
-	b.buf = buf
-	b.idx = 0
-}
-
-// Reset clears the internal buffer of all written and unread data.
-func (b *Buffer) Reset() {
-	b.buf = b.buf[:0]
-	b.idx = 0
-}
-
-// Bytes returns the internal buffer.
-func (b *Buffer) Bytes() []byte {
-	return b.buf
-}
-
-// Unread returns the unread portion of the buffer.
-func (b *Buffer) Unread() []byte {
-	return b.buf[b.idx:]
-}
-
-// Marshal appends the wire-format encoding of m to the buffer.
-func (b *Buffer) Marshal(m Message) error {
-	var err error
-	b.buf, err = marshalAppend(b.buf, m, b.deterministic)
-	return err
-}
-
-// Unmarshal parses the wire-format message in the buffer and
-// places the decoded results in m.
-// It does not reset m before unmarshaling.
-func (b *Buffer) Unmarshal(m Message) error {
-	err := UnmarshalMerge(b.Unread(), m)
-	b.idx = len(b.buf)
-	return err
-}
-
-type unknownFields struct{ XXX_unrecognized protoimpl.UnknownFields }
-
-func (m *unknownFields) String() string { panic("not implemented") }
-func (m *unknownFields) Reset()         { panic("not implemented") }
-func (m *unknownFields) ProtoMessage()  { panic("not implemented") }
-
-// DebugPrint dumps the encoded bytes of b with a header and footer including s
-// to stdout. This is only intended for debugging.
-func (*Buffer) DebugPrint(s string, b []byte) {
-	m := MessageReflect(new(unknownFields))
-	m.SetUnknown(b)
-	b, _ = prototext.MarshalOptions{AllowPartial: true, Indent: "\t"}.Marshal(m.Interface())
-	fmt.Printf("==== %s ====\n%s==== %s ====\n", s, b, s)
-}
-
-// EncodeVarint appends an unsigned varint encoding to the buffer.
-func (b *Buffer) EncodeVarint(v uint64) error {
-	b.buf = protowire.AppendVarint(b.buf, v)
-	return nil
-}
-
-// EncodeZigzag32 appends a 32-bit zig-zag varint encoding to the buffer.
-func (b *Buffer) EncodeZigzag32(v uint64) error {
-	return b.EncodeVarint(uint64((uint32(v) << 1) ^ uint32((int32(v) >> 31))))
-}
-
-// EncodeZigzag64 appends a 64-bit zig-zag varint encoding to the buffer.
-func (b *Buffer) EncodeZigzag64(v uint64) error {
-	return b.EncodeVarint(uint64((uint64(v) << 1) ^ uint64((int64(v) >> 63))))
-}
-
-// EncodeFixed32 appends a 32-bit little-endian integer to the buffer.
-func (b *Buffer) EncodeFixed32(v uint64) error {
-	b.buf = protowire.AppendFixed32(b.buf, uint32(v))
-	return nil
-}
-
-// EncodeFixed64 appends a 64-bit little-endian integer to the buffer.
-func (b *Buffer) EncodeFixed64(v uint64) error {
-	b.buf = protowire.AppendFixed64(b.buf, uint64(v))
-	return nil
-}
-
-// EncodeRawBytes appends a length-prefixed raw bytes to the buffer.
-func (b *Buffer) EncodeRawBytes(v []byte) error {
-	b.buf = protowire.AppendBytes(b.buf, v)
-	return nil
-}
-
-// EncodeStringBytes appends a length-prefixed raw bytes to the buffer.
-// It does not validate whether v contains valid UTF-8.
-func (b *Buffer) EncodeStringBytes(v string) error {
-	b.buf = protowire.AppendString(b.buf, v)
-	return nil
-}
-
-// EncodeMessage appends a length-prefixed encoded message to the buffer.
-func (b *Buffer) EncodeMessage(m Message) error {
-	var err error
-	b.buf = protowire.AppendVarint(b.buf, uint64(Size(m)))
-	b.buf, err = marshalAppend(b.buf, m, b.deterministic)
-	return err
-}
-
-// DecodeVarint consumes an encoded unsigned varint from the buffer.
-func (b *Buffer) DecodeVarint() (uint64, error) {
-	v, n := protowire.ConsumeVarint(b.buf[b.idx:])
-	if n < 0 {
-		return 0, protowire.ParseError(n)
-	}
-	b.idx += n
-	return uint64(v), nil
-}
-
-// DecodeZigzag32 consumes an encoded 32-bit zig-zag varint from the buffer.
-func (b *Buffer) DecodeZigzag32() (uint64, error) {
-	v, err := b.DecodeVarint()
-	if err != nil {
-		return 0, err
-	}
-	return uint64((uint32(v) >> 1) ^ uint32((int32(v&1)<<31)>>31)), nil
-}
-
-// DecodeZigzag64 consumes an encoded 64-bit zig-zag varint from the buffer.
-func (b *Buffer) DecodeZigzag64() (uint64, error) {
-	v, err := b.DecodeVarint()
-	if err != nil {
-		return 0, err
-	}
-	return uint64((uint64(v) >> 1) ^ uint64((int64(v&1)<<63)>>63)), nil
-}
-
-// DecodeFixed32 consumes a 32-bit little-endian integer from the buffer.
-func (b *Buffer) DecodeFixed32() (uint64, error) {
-	v, n := protowire.ConsumeFixed32(b.buf[b.idx:])
-	if n < 0 {
-		return 0, protowire.ParseError(n)
-	}
-	b.idx += n
-	return uint64(v), nil
-}
-
-// DecodeFixed64 consumes a 64-bit little-endian integer from the buffer.
-func (b *Buffer) DecodeFixed64() (uint64, error) {
-	v, n := protowire.ConsumeFixed64(b.buf[b.idx:])
-	if n < 0 {
-		return 0, protowire.ParseError(n)
-	}
-	b.idx += n
-	return uint64(v), nil
-}
-
-// DecodeRawBytes consumes a length-prefixed raw bytes from the buffer.
-// If alloc is specified, it returns a copy the raw bytes
-// rather than a sub-slice of the buffer.
-func (b *Buffer) DecodeRawBytes(alloc bool) ([]byte, error) {
-	v, n := protowire.ConsumeBytes(b.buf[b.idx:])
-	if n < 0 {
-		return nil, protowire.ParseError(n)
-	}
-	b.idx += n
-	if alloc {
-		v = append([]byte(nil), v...)
-	}
-	return v, nil
-}
-
-// DecodeStringBytes consumes a length-prefixed raw bytes from the buffer.
-// It does not validate whether the raw bytes contain valid UTF-8.
-func (b *Buffer) DecodeStringBytes() (string, error) {
-	v, n := protowire.ConsumeString(b.buf[b.idx:])
-	if n < 0 {
-		return "", protowire.ParseError(n)
-	}
-	b.idx += n
-	return v, nil
-}
-
-// DecodeMessage consumes a length-prefixed message from the buffer.
-// It does not reset m before unmarshaling.
-func (b *Buffer) DecodeMessage(m Message) error {
-	v, err := b.DecodeRawBytes(false)
-	if err != nil {
-		return err
-	}
-	return UnmarshalMerge(v, m)
-}
-
-// DecodeGroup consumes a message group from the buffer.
-// It assumes that the start group marker has already been consumed and
-// consumes all bytes until (and including the end group marker).
-// It does not reset m before unmarshaling.
-func (b *Buffer) DecodeGroup(m Message) error {
-	v, n, err := consumeGroup(b.buf[b.idx:])
-	if err != nil {
-		return err
-	}
-	b.idx += n
-	return UnmarshalMerge(v, m)
-}
-
-// consumeGroup parses b until it finds an end group marker, returning
-// the raw bytes of the message (excluding the end group marker) and the
-// the total length of the message (including the end group marker).
-func consumeGroup(b []byte) ([]byte, int, error) {
-	b0 := b
-	depth := 1 // assume this follows a start group marker
-	for {
-		_, wtyp, tagLen := protowire.ConsumeTag(b)
-		if tagLen < 0 {
-			return nil, 0, protowire.ParseError(tagLen)
-		}
-		b = b[tagLen:]
-
-		var valLen int
-		switch wtyp {
-		case protowire.VarintType:
-			_, valLen = protowire.ConsumeVarint(b)
-		case protowire.Fixed32Type:
-			_, valLen = protowire.ConsumeFixed32(b)
-		case protowire.Fixed64Type:
-			_, valLen = protowire.ConsumeFixed64(b)
-		case protowire.BytesType:
-			_, valLen = protowire.ConsumeBytes(b)
-		case protowire.StartGroupType:
-			depth++
-		case protowire.EndGroupType:
-			depth--
-		default:
-			return nil, 0, errors.New("proto: cannot parse reserved wire type")
-		}
-		if valLen < 0 {
-			return nil, 0, protowire.ParseError(valLen)
-		}
-		b = b[valLen:]
-
-		if depth == 0 {
-			return b0[:len(b0)-len(b)-tagLen], len(b0) - len(b), nil
-		}
-	}
-}
--- a/vendor/github.com/golang/protobuf/proto/clone.go
+++ b/vendor/github.com/golang/protobuf/proto/clone.go
@@ -0,0 +1,253 @@
+// Go support for Protocol Buffers - Google's data interchange format
+//
+// Copyright 2011 The Go Authors.  All rights reserved.
+// https://github.com/golang/protobuf
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Protocol buffer deep copy and merge.
+// TODO: RawMessage.
+
+package proto
+
+import (
+	"fmt"
+	"log"
+	"reflect"
+	"strings"
+)
+
+// Clone returns a deep copy of a protocol buffer.
+func Clone(src Message) Message {
+	in := reflect.ValueOf(src)
+	if in.IsNil() {
+		return src
+	}
+	out := reflect.New(in.Type().Elem())
+	dst := out.Interface().(Message)
+	Merge(dst, src)
+	return dst
+}
+
+// Merger is the interface representing objects that can merge messages of the same type.
+type Merger interface {
+	// Merge merges src into this message.
+	// Required and optional fields that are set in src will be set to that value in dst.
+	// Elements of repeated fields will be appended.
+	//
+	// Merge may panic if called with a different argument type than the receiver.
+	Merge(src Message)
+}
+
+// generatedMerger is the custom merge method that generated protos will have.
+// We must add this method since a generate Merge method will conflict with
+// many existing protos that have a Merge data field already defined.
+type generatedMerger interface {
+	XXX_Merge(src Message)
+}
+
+// Merge merges src into dst.
+// Required and optional fields that are set in src will be set to that value in dst.
+// Elements of repeated fields will be appended.
+// Merge panics if src and dst are not the same type, or if dst is nil.
+func Merge(dst, src Message) {
+	if m, ok := dst.(Merger); ok {
+		m.Merge(src)
+		return
+	}
+
+	in := reflect.ValueOf(src)
+	out := reflect.ValueOf(dst)
+	if out.IsNil() {
+		panic("proto: nil destination")
+	}
+	if in.Type() != out.Type() {
+		panic(fmt.Sprintf("proto.Merge(%T, %T) type mismatch", dst, src))
+	}
+	if in.IsNil() {
+		return // Merge from nil src is a noop
+	}
+	if m, ok := dst.(generatedMerger); ok {
+		m.XXX_Merge(src)
+		return
+	}
+	mergeStruct(out.Elem(), in.Elem())
+}
+
+func mergeStruct(out, in reflect.Value) {
+	sprop := GetProperties(in.Type())
+	for i := 0; i < in.NumField(); i++ {
+		f := in.Type().Field(i)
+		if strings.HasPrefix(f.Name, "XXX_") {
+			continue
+		}
+		mergeAny(out.Field(i), in.Field(i), false, sprop.Prop[i])
+	}
+
+	if emIn, err := extendable(in.Addr().Interface()); err == nil {
+		emOut, _ := extendable(out.Addr().Interface())
+		mIn, muIn := emIn.extensionsRead()
+		if mIn != nil {
+			mOut := emOut.extensionsWrite()
+			muIn.Lock()
+			mergeExtension(mOut, mIn)
+			muIn.Unlock()
+		}
+	}
+
+	uf := in.FieldByName("XXX_unrecognized")
+	if !uf.IsValid() {
+		return
+	}
+	uin := uf.Bytes()
+	if len(uin) > 0 {
+		out.FieldByName("XXX_unrecognized").SetBytes(append([]byte(nil), uin...))
+	}
+}
+
+// mergeAny performs a merge between two values of the same type.
+// viaPtr indicates whether the values were indirected through a pointer (implying proto2).
+// prop is set if this is a struct field (it may be nil).
+func mergeAny(out, in reflect.Value, viaPtr bool, prop *Properties) {
+	if in.Type() == protoMessageType {
+		if !in.IsNil() {
+			if out.IsNil() {
+				out.Set(reflect.ValueOf(Clone(in.Interface().(Message))))
+			} else {
+				Merge(out.Interface().(Message), in.Interface().(Message))
+			}
+		}
+		return
+	}
+	switch in.Kind() {
+	case reflect.Bool, reflect.Float32, reflect.Float64, reflect.Int32, reflect.Int64,
+		reflect.String, reflect.Uint32, reflect.Uint64:
+		if !viaPtr && isProto3Zero(in) {
+			return
+		}
+		out.Set(in)
+	case reflect.Interface:
+		// Probably a oneof field; copy non-nil values.
+		if in.IsNil() {
+			return
+		}
+		// Allocate destination if it is not set, or set to a different type.
+		// Otherwise we will merge as normal.
+		if out.IsNil() || out.Elem().Type() != in.Elem().Type() {
+			out.Set(reflect.New(in.Elem().Elem().Type())) // interface -> *T -> T -> new(T)
+		}
+		mergeAny(out.Elem(), in.Elem(), false, nil)
+	case reflect.Map:
+		if in.Len() == 0 {
+			return
+		}
+		if out.IsNil() {
+			out.Set(reflect.MakeMap(in.Type()))
+		}
+		// For maps with value types of *T or []byte we need to deep copy each value.
+		elemKind := in.Type().Elem().Kind()
+		for _, key := range in.MapKeys() {
+			var val reflect.Value
+			switch elemKind {
+			case reflect.Ptr:
+				val = reflect.New(in.Type().Elem().Elem())
+				mergeAny(val, in.MapIndex(key), false, nil)
+			case reflect.Slice:
+				val = in.MapIndex(key)
+				val = reflect.ValueOf(append([]byte{}, val.Bytes()...))
+			default:
+				val = in.MapIndex(key)
+			}
+			out.SetMapIndex(key, val)
+		}
+	case reflect.Ptr:
+		if in.IsNil() {
+			return
+		}
+		if out.IsNil() {
+			out.Set(reflect.New(in.Elem().Type()))
+		}
+		mergeAny(out.Elem(), in.Elem(), true, nil)
+	case reflect.Slice:
+		if in.IsNil() {
+			return
+		}
+		if in.Type().Elem().Kind() == reflect.Uint8 {
+			// []byte is a scalar bytes field, not a repeated field.
+
+			// Edge case: if this is in a proto3 message, a zero length
+			// bytes field is considered the zero value, and should not
+			// be merged.
+			if prop != nil && prop.proto3 && in.Len() == 0 {
+				return
+			}
+
+			// Make a deep copy.
+			// Append to []byte{} instead of []byte(nil) so that we never end up
+			// with a nil result.
+			out.SetBytes(append([]byte{}, in.Bytes()...))
+			return
+		}
+		n := in.Len()
+		if out.IsNil() {
+			out.Set(reflect.MakeSlice(in.Type(), 0, n))
+		}
+		switch in.Type().Elem().Kind() {
+		case reflect.Bool, reflect.Float32, reflect.Float64, reflect.Int32, reflect.Int64,
+			reflect.String, reflect.Uint32, reflect.Uint64:
+			out.Set(reflect.AppendSlice(out, in))
+		default:
+			for i := 0; i < n; i++ {
+				x := reflect.Indirect(reflect.New(in.Type().Elem()))
+				mergeAny(x, in.Index(i), false, nil)
+				out.Set(reflect.Append(out, x))
+			}
+		}
+	case reflect.Struct:
+		mergeStruct(out, in)
+	default:
+		// unknown type, so not a protocol buffer
+		log.Printf("proto: don't know how to copy %v", in)
+	}
+}
+
+func mergeExtension(out, in map[int32]Extension) {
+	for extNum, eIn := range in {
+		eOut := Extension{desc: eIn.desc}
+		if eIn.value != nil {
+			v := reflect.New(reflect.TypeOf(eIn.value)).Elem()
+			mergeAny(v, reflect.ValueOf(eIn.value), false, nil)
+			eOut.value = v.Interface()
+		}
+		if eIn.enc != nil {
+			eOut.enc = make([]byte, len(eIn.enc))
+			copy(eOut.enc, eIn.enc)
+		}
+
+		out[extNum] = eOut
+	}
+}
--- a/vendor/github.com/golang/protobuf/proto/decode.go
+++ b/vendor/github.com/golang/protobuf/proto/decode.go
@@ -0,0 +1,427 @@
+// Go support for Protocol Buffers - Google's data interchange format
+//
+// Copyright 2010 The Go Authors.  All rights reserved.
+// https://github.com/golang/protobuf
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+package proto
+
+/*
+ * Routines for decoding protocol buffer data to construct in-memory representations.
+ */
+
+import (
+	"errors"
+	"fmt"
+	"io"
+)
+
+// errOverflow is returned when an integer is too large to be represented.
+var errOverflow = errors.New("proto: integer overflow")
+
+// ErrInternalBadWireType is returned by generated code when an incorrect
+// wire type is encountered. It does not get returned to user code.
+var ErrInternalBadWireType = errors.New("proto: internal error: bad wiretype for oneof")
+
+// DecodeVarint reads a varint-encoded integer from the slice.
+// It returns the integer and the number of bytes consumed, or
+// zero if there is not enough.
+// This is the format for the
+// int32, int64, uint32, uint64, bool, and enum
+// protocol buffer types.
+func DecodeVarint(buf []byte) (x uint64, n int) {
+	for shift := uint(0); shift < 64; shift += 7 {
+		if n >= len(buf) {
+			return 0, 0
+		}
+		b := uint64(buf[n])
+		n++
+		x |= (b & 0x7F) << shift
+		if (b & 0x80) == 0 {
+			return x, n
+		}
+	}
+
+	// The number is too large to represent in a 64-bit value.
+	return 0, 0
+}
+
+func (p *Buffer) decodeVarintSlow() (x uint64, err error) {
+	i := p.index
+	l := len(p.buf)
+
+	for shift := uint(0); shift < 64; shift += 7 {
+		if i >= l {
+			err = io.ErrUnexpectedEOF
+			return
+		}
+		b := p.buf[i]
+		i++
+		x |= (uint64(b) & 0x7F) << shift
+		if b < 0x80 {
+			p.index = i
+			return
+		}
+	}
+
+	// The number is too large to represent in a 64-bit value.
+	err = errOverflow
+	return
+}
+
+// DecodeVarint reads a varint-encoded integer from the Buffer.
+// This is the format for the
+// int32, int64, uint32, uint64, bool, and enum
+// protocol buffer types.
+func (p *Buffer) DecodeVarint() (x uint64, err error) {
+	i := p.index
+	buf := p.buf
+
+	if i >= len(buf) {
+		return 0, io.ErrUnexpectedEOF
+	} else if buf[i] < 0x80 {
+		p.index++
+		return uint64(buf[i]), nil
+	} else if len(buf)-i < 10 {
+		return p.decodeVarintSlow()
+	}
+
+	var b uint64
+	// we already checked the first byte
+	x = uint64(buf[i]) - 0x80
+	i++
+
+	b = uint64(buf[i])
+	i++
+	x += b << 7
+	if b&0x80 == 0 {
+		goto done
+	}
+	x -= 0x80 << 7
+
+	b = uint64(buf[i])
+	i++
+	x += b << 14
+	if b&0x80 == 0 {
+		goto done
+	}
+	x -= 0x80 << 14
+
+	b = uint64(buf[i])
+	i++
+	x += b << 21
+	if b&0x80 == 0 {
+		goto done
+	}
+	x -= 0x80 << 21
+
+	b = uint64(buf[i])
+	i++
+	x += b << 28
+	if b&0x80 == 0 {
+		goto done
+	}
+	x -= 0x80 << 28
+
+	b = uint64(buf[i])
+	i++
+	x += b << 35
+	if b&0x80 == 0 {
+		goto done
+	}
+	x -= 0x80 << 35
+
+	b = uint64(buf[i])
+	i++
+	x += b << 42
+	if b&0x80 == 0 {
+		goto done
+	}
+	x -= 0x80 << 42
+
+	b = uint64(buf[i])
+	i++
+	x += b << 49
+	if b&0x80 == 0 {
+		goto done
+	}
+	x -= 0x80 << 49
+
+	b = uint64(buf[i])
+	i++
+	x += b << 56
+	if b&0x80 == 0 {
+		goto done
+	}
+	x -= 0x80 << 56
+
+	b = uint64(buf[i])
+	i++
+	x += b << 63
+	if b&0x80 == 0 {
+		goto done
+	}
+
+	return 0, errOverflow
+
+done:
+	p.index = i
+	return x, nil
+}
+
+// DecodeFixed64 reads a 64-bit integer from the Buffer.
+// This is the format for the
+// fixed64, sfixed64, and double protocol buffer types.
+func (p *Buffer) DecodeFixed64() (x uint64, err error) {
+	// x, err already 0
+	i := p.index + 8
+	if i < 0 || i > len(p.buf) {
+		err = io.ErrUnexpectedEOF
+		return
+	}
+	p.index = i
+
+	x = uint64(p.buf[i-8])
+	x |= uint64(p.buf[i-7]) << 8
+	x |= uint64(p.buf[i-6]) << 16
+	x |= uint64(p.buf[i-5]) << 24
+	x |= uint64(p.buf[i-4]) << 32
+	x |= uint64(p.buf[i-3]) << 40
+	x |= uint64(p.buf[i-2]) << 48
+	x |= uint64(p.buf[i-1]) << 56
+	return
+}
+
+// DecodeFixed32 reads a 32-bit integer from the Buffer.
+// This is the format for the
+// fixed32, sfixed32, and float protocol buffer types.
+func (p *Buffer) DecodeFixed32() (x uint64, err error) {
+	// x, err already 0
+	i := p.index + 4
+	if i < 0 || i > len(p.buf) {
+		err = io.ErrUnexpectedEOF
+		return
+	}
+	p.index = i
+
+	x = uint64(p.buf[i-4])
+	x |= uint64(p.buf[i-3]) << 8
+	x |= uint64(p.buf[i-2]) << 16
+	x |= uint64(p.buf[i-1]) << 24
+	return
+}
+
+// DecodeZigzag64 reads a zigzag-encoded 64-bit integer
+// from the Buffer.
+// This is the format used for the sint64 protocol buffer type.
+func (p *Buffer) DecodeZigzag64() (x uint64, err error) {
+	x, err = p.DecodeVarint()
+	if err != nil {
+		return
+	}
+	x = (x >> 1) ^ uint64((int64(x&1)<<63)>>63)
+	return
+}
+
+// DecodeZigzag32 reads a zigzag-encoded 32-bit integer
+// from  the Buffer.
+// This is the format used for the sint32 protocol buffer type.
+func (p *Buffer) DecodeZigzag32() (x uint64, err error) {
+	x, err = p.DecodeVarint()
+	if err != nil {
+		return
+	}
+	x = uint64((uint32(x) >> 1) ^ uint32((int32(x&1)<<31)>>31))
+	return
+}
+
+// DecodeRawBytes reads a count-delimited byte buffer from the Buffer.
+// This is the format used for the bytes protocol buffer
+// type and for embedded messages.
+func (p *Buffer) DecodeRawBytes(alloc bool) (buf []byte, err error) {
+	n, err := p.DecodeVarint()
+	if err != nil {
+		return nil, err
+	}
+
+	nb := int(n)
+	if nb < 0 {
+		return nil, fmt.Errorf("proto: bad byte length %d", nb)
+	}
+	end := p.index + nb
+	if end < p.index || end > len(p.buf) {
+		return nil, io.ErrUnexpectedEOF
+	}
+
+	if !alloc {
+		// todo: check if can get more uses of alloc=false
+		buf = p.buf[p.index:end]
+		p.index += nb
+		return
+	}
+
+	buf = make([]byte, nb)
+	copy(buf, p.buf[p.index:])
+	p.index += nb
+	return
+}
+
+// DecodeStringBytes reads an encoded string from the Buffer.
+// This is the format used for the proto2 string type.
+func (p *Buffer) DecodeStringBytes() (s string, err error) {
+	buf, err := p.DecodeRawBytes(false)
+	if err != nil {
+		return
+	}
+	return string(buf), nil
+}
+
+// Unmarshaler is the interface representing objects that can
+// unmarshal themselves.  The argument points to data that may be
+// overwritten, so implementations should not keep references to the
+// buffer.
+// Unmarshal implementations should not clear the receiver.
+// Any unmarshaled data should be merged into the receiver.
+// Callers of Unmarshal that do not want to retain existing data
+// should Reset the receiver before calling Unmarshal.
+type Unmarshaler interface {
+	Unmarshal([]byte) error
+}
+
+// newUnmarshaler is the interface representing objects that can
+// unmarshal themselves. The semantics are identical to Unmarshaler.
+//
+// This exists to support protoc-gen-go generated messages.
+// The proto package will stop type-asserting to this interface in the future.
+//
+// DO NOT DEPEND ON THIS.
+type newUnmarshaler interface {
+	XXX_Unmarshal([]byte) error
+}
+
+// Unmarshal parses the protocol buffer representation in buf and places the
+// decoded result in pb.  If the struct underlying pb does not match
+// the data in buf, the results can be unpredictable.
+//
+// Unmarshal resets pb before starting to unmarshal, so any
+// existing data in pb is always removed. Use UnmarshalMerge
+// to preserve and append to existing data.
+func Unmarshal(buf []byte, pb Message) error {
+	pb.Reset()
+	if u, ok := pb.(newUnmarshaler); ok {
+		return u.XXX_Unmarshal(buf)
+	}
+	if u, ok := pb.(Unmarshaler); ok {
+		return u.Unmarshal(buf)
+	}
+	return NewBuffer(buf).Unmarshal(pb)
+}
+
+// UnmarshalMerge parses the protocol buffer representation in buf and
+// writes the decoded result to pb.  If the struct underlying pb does not match
+// the data in buf, the results can be unpredictable.
+//
+// UnmarshalMerge merges into existing data in pb.
+// Most code should use Unmarshal instead.
+func UnmarshalMerge(buf []byte, pb Message) error {
+	if u, ok := pb.(newUnmarshaler); ok {
+		return u.XXX_Unmarshal(buf)
+	}
+	if u, ok := pb.(Unmarshaler); ok {
+		// NOTE: The history of proto have unfortunately been inconsistent
+		// whether Unmarshaler should or should not implicitly clear itself.
+		// Some implementations do, most do not.
+		// Thus, calling this here may or may not do what people want.
+		//
+		// See https://github.com/golang/protobuf/issues/424
+		return u.Unmarshal(buf)
+	}
+	return NewBuffer(buf).Unmarshal(pb)
+}
+
+// DecodeMessage reads a count-delimited message from the Buffer.
+func (p *Buffer) DecodeMessage(pb Message) error {
+	enc, err := p.DecodeRawBytes(false)
+	if err != nil {
+		return err
+	}
+	return NewBuffer(enc).Unmarshal(pb)
+}
+
+// DecodeGroup reads a tag-delimited group from the Buffer.
+// StartGroup tag is already consumed. This function consumes
+// EndGroup tag.
+func (p *Buffer) DecodeGroup(pb Message) error {
+	b := p.buf[p.index:]
+	x, y := findEndGroup(b)
+	if x < 0 {
+		return io.ErrUnexpectedEOF
+	}
+	err := Unmarshal(b[:x], pb)
+	p.index += y
+	return err
+}
+
+// Unmarshal parses the protocol buffer representation in the
+// Buffer and places the decoded result in pb.  If the struct
+// underlying pb does not match the data in the buffer, the results can be
+// unpredictable.
+//
+// Unlike proto.Unmarshal, this does not reset pb before starting to unmarshal.
+func (p *Buffer) Unmarshal(pb Message) error {
+	// If the object can unmarshal itself, let it.
+	if u, ok := pb.(newUnmarshaler); ok {
+		err := u.XXX_Unmarshal(p.buf[p.index:])
+		p.index = len(p.buf)
+		return err
+	}
+	if u, ok := pb.(Unmarshaler); ok {
+		// NOTE: The history of proto have unfortunately been inconsistent
+		// whether Unmarshaler should or should not implicitly clear itself.
+		// Some implementations do, most do not.
+		// Thus, calling this here may or may not do what people want.
+		//
+		// See https://github.com/golang/protobuf/issues/424
+		err := u.Unmarshal(p.buf[p.index:])
+		p.index = len(p.buf)
+		return err
+	}
+
+	// Slow workaround for messages that aren't Unmarshalers.
+	// This includes some hand-coded .pb.go files and
+	// bootstrap protos.
+	// TODO: fix all of those and then add Unmarshal to
+	// the Message interface. Then:
+	// The cast above and code below can be deleted.
+	// The old unmarshaler can be deleted.
+	// Clients can call Unmarshal directly (can already do that, actually).
+	var info InternalMessageInfo
+	err := info.Unmarshal(pb, p.buf[p.index:])
+	p.index = len(p.buf)
+	return err
+}
--- a/vendor/github.com/golang/protobuf/proto/defaults.go
+++ b/vendor/github.com/golang/protobuf/proto/defaults.go
@@ -1,63 +0,0 @@
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package proto
-
-import (
-	"google.golang.org/protobuf/reflect/protoreflect"
-)
-
-// SetDefaults sets unpopulated scalar fields to their default values.
-// Fields within a oneof are not set even if they have a default value.
-// SetDefaults is recursively called upon any populated message fields.
-func SetDefaults(m Message) {
-	if m != nil {
-		setDefaults(MessageReflect(m))
-	}
-}
-
-func setDefaults(m protoreflect.Message) {
-	fds := m.Descriptor().Fields()
-	for i := 0; i < fds.Len(); i++ {
-		fd := fds.Get(i)
-		if !m.Has(fd) {
-			if fd.HasDefault() && fd.ContainingOneof() == nil {
-				v := fd.Default()
-				if fd.Kind() == protoreflect.BytesKind {
-					v = protoreflect.ValueOf(append([]byte(nil), v.Bytes()...)) // copy the default bytes
-				}
-				m.Set(fd, v)
-			}
-			continue
-		}
-	}
-
-	m.Range(func(fd protoreflect.FieldDescriptor, v protoreflect.Value) bool {
-		switch {
-		// Handle singular message.
-		case fd.Cardinality() != protoreflect.Repeated:
-			if fd.Message() != nil {
-				setDefaults(m.Get(fd).Message())
-			}
-		// Handle list of messages.
-		case fd.IsList():
-			if fd.Message() != nil {
-				ls := m.Get(fd).List()
-				for i := 0; i < ls.Len(); i++ {
-					setDefaults(ls.Get(i).Message())
-				}
-			}
-		// Handle map of messages.
-		case fd.IsMap():
-			if fd.MapValue().Message() != nil {
-				ms := m.Get(fd).Map()
-				ms.Range(func(_ protoreflect.MapKey, v protoreflect.Value) bool {
-					setDefaults(v.Message())
-					return true
-				})
-			}
-		}
-		return true
-	})
-}
--- a/vendor/github.com/golang/protobuf/proto/deprecated.go
+++ b/vendor/github.com/golang/protobuf/proto/deprecated.go
@@ -1,113 +1,63 @@
-// Copyright 2018 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
+// Go support for Protocol Buffers - Google's data interchange format
+//
+// Copyright 2018 The Go Authors.  All rights reserved.
+// https://github.com/golang/protobuf
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 package proto

-import (
-	"encoding/json"
-	"errors"
-	"fmt"
-	"strconv"
+import "errors"

-	protoV2 "google.golang.org/protobuf/proto"
-)
-
-var (
-	// Deprecated: No longer returned.
-	ErrNil = errors.New("proto: Marshal called with nil")
-
-	// Deprecated: No longer returned.
-	ErrTooLarge = errors.New("proto: message encodes to over 2 GB")
-
-	// Deprecated: No longer returned.
-	ErrInternalBadWireType = errors.New("proto: internal error: bad wiretype for oneof")
-)
-
-// Deprecated: Do not use.
+// Deprecated: do not use.
 type Stats struct{ Emalloc, Dmalloc, Encode, Decode, Chit, Cmiss, Size uint64 }

-// Deprecated: Do not use.
+// Deprecated: do not use.
 func GetStats() Stats { return Stats{} }

-// Deprecated: Do not use.
+// Deprecated: do not use.
 func MarshalMessageSet(interface{}) ([]byte, error) {
 	return nil, errors.New("proto: not implemented")
 }

-// Deprecated: Do not use.
+// Deprecated: do not use.
 func UnmarshalMessageSet([]byte, interface{}) error {
 	return errors.New("proto: not implemented")
 }

-// Deprecated: Do not use.
+// Deprecated: do not use.
 func MarshalMessageSetJSON(interface{}) ([]byte, error) {
 	return nil, errors.New("proto: not implemented")
 }

-// Deprecated: Do not use.
+// Deprecated: do not use.
 func UnmarshalMessageSetJSON([]byte, interface{}) error {
 	return errors.New("proto: not implemented")
 }

-// Deprecated: Do not use.
+// Deprecated: do not use.
 func RegisterMessageSetType(Message, int32, string) {}
-
-// Deprecated: Do not use.
-func EnumName(m map[int32]string, v int32) string {
-	s, ok := m[v]
-	if ok {
-		return s
-	}
-	return strconv.Itoa(int(v))
-}
-
-// Deprecated: Do not use.
-func UnmarshalJSONEnum(m map[string]int32, data []byte, enumName string) (int32, error) {
-	if data[0] == '"' {
-		// New style: enums are strings.
-		var repr string
-		if err := json.Unmarshal(data, &repr); err != nil {
-			return -1, err
-		}
-		val, ok := m[repr]
-		if !ok {
-			return 0, fmt.Errorf("unrecognized enum %s value %q", enumName, repr)
-		}
-		return val, nil
-	}
-	// Old style: enums are ints.
-	var val int32
-	if err := json.Unmarshal(data, &val); err != nil {
-		return 0, fmt.Errorf("cannot unmarshal %#q into enum %s", data, enumName)
-	}
-	return val, nil
-}
-
-// Deprecated: Do not use; this type existed for intenal-use only.
-type InternalMessageInfo struct{}
-
-// Deprecated: Do not use; this method existed for intenal-use only.
-func (*InternalMessageInfo) DiscardUnknown(m Message) {
-	DiscardUnknown(m)
-}
-
-// Deprecated: Do not use; this method existed for intenal-use only.
-func (*InternalMessageInfo) Marshal(b []byte, m Message, deterministic bool) ([]byte, error) {
-	return protoV2.MarshalOptions{Deterministic: deterministic}.MarshalAppend(b, MessageV2(m))
-}
-
-// Deprecated: Do not use; this method existed for intenal-use only.
-func (*InternalMessageInfo) Merge(dst, src Message) {
-	protoV2.Merge(MessageV2(dst), MessageV2(src))
-}
-
-// Deprecated: Do not use; this method existed for intenal-use only.
-func (*InternalMessageInfo) Size(m Message) int {
-	return protoV2.Size(MessageV2(m))
-}
-
-// Deprecated: Do not use; this method existed for intenal-use only.
-func (*InternalMessageInfo) Unmarshal(m Message, b []byte) error {
-	return protoV2.UnmarshalOptions{Merge: true}.Unmarshal(b, MessageV2(m))
-}
--- a/vendor/github.com/golang/protobuf/proto/discard.go
+++ b/vendor/github.com/golang/protobuf/proto/discard.go
@@ -1,13 +1,48 @@
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
+// Go support for Protocol Buffers - Google's data interchange format
+//
+// Copyright 2017 The Go Authors.  All rights reserved.
+// https://github.com/golang/protobuf
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 package proto

 import (
-	"google.golang.org/protobuf/reflect/protoreflect"
+	"fmt"
+	"reflect"
+	"strings"
+	"sync"
+	"sync/atomic"
 )

+type generatedDiscarder interface {
+	XXX_DiscardUnknown()
+}
+
 // DiscardUnknown recursively discards all unknown fields from this message
 // and all embedded messages.
 //
@@ -16,43 +51,300 @@ import (
 // marshal to be able to produce a message that continues to have those
 // unrecognized fields. To avoid this, DiscardUnknown is used to
 // explicitly clear the unknown fields after unmarshaling.
+//
+// For proto2 messages, the unknown fields of message extensions are only
+// discarded from messages that have been accessed via GetExtension.
 func DiscardUnknown(m Message) {
-	if m != nil {
-		discardUnknown(MessageReflect(m))
+	if m, ok := m.(generatedDiscarder); ok {
+		m.XXX_DiscardUnknown()
+		return
 	}
+	// TODO: Dynamically populate a InternalMessageInfo for legacy messages,
+	// but the master branch has no implementation for InternalMessageInfo,
+	// so it would be more work to replicate that approach.
+	discardLegacy(m)
 }

-func discardUnknown(m protoreflect.Message) {
-	m.Range(func(fd protoreflect.FieldDescriptor, val protoreflect.Value) bool {
-		switch {
-		// Handle singular message.
-		case fd.Cardinality() != protoreflect.Repeated:
-			if fd.Message() != nil {
-				discardUnknown(m.Get(fd).Message())
-			}
-		// Handle list of messages.
-		case fd.IsList():
-			if fd.Message() != nil {
-				ls := m.Get(fd).List()
-				for i := 0; i < ls.Len(); i++ {
-					discardUnknown(ls.Get(i).Message())
-				}
-			}
-		// Handle map of messages.
-		case fd.IsMap():
-			if fd.MapValue().Message() != nil {
-				ms := m.Get(fd).Map()
-				ms.Range(func(_ protoreflect.MapKey, v protoreflect.Value) bool {
-					discardUnknown(v.Message())
-					return true
-				})
+// DiscardUnknown recursively discards all unknown fields.
+func (a *InternalMessageInfo) DiscardUnknown(m Message) {
+	di := atomicLoadDiscardInfo(&a.discard)
+	if di == nil {
+		di = getDiscardInfo(reflect.TypeOf(m).Elem())
+		atomicStoreDiscardInfo(&a.discard, di)
+	}
+	di.discard(toPointer(&m))
+}
+
+type discardInfo struct {
+	typ reflect.Type
+
+	initialized int32 // 0: only typ is valid, 1: everything is valid
+	lock        sync.Mutex
+
+	fields       []discardFieldInfo
+	unrecognized field
+}
+
+type discardFieldInfo struct {
+	field   field // Offset of field, guaranteed to be valid
+	discard func(src pointer)
+}
+
+var (
+	discardInfoMap  = map[reflect.Type]*discardInfo{}
+	discardInfoLock sync.Mutex
+)
+
+func getDiscardInfo(t reflect.Type) *discardInfo {
+	discardInfoLock.Lock()
+	defer discardInfoLock.Unlock()
+	di := discardInfoMap[t]
+	if di == nil {
+		di = &discardInfo{typ: t}
+		discardInfoMap[t] = di
+	}
+	return di
+}
+
+func (di *discardInfo) discard(src pointer) {
+	if src.isNil() {
+		return // Nothing to do.
+	}
+
+	if atomic.LoadInt32(&di.initialized) == 0 {
+		di.computeDiscardInfo()
+	}
+
+	for _, fi := range di.fields {
+		sfp := src.offset(fi.field)
+		fi.discard(sfp)
+	}
+
+	// For proto2 messages, only discard unknown fields in message extensions
+	// that have been accessed via GetExtension.
+	if em, err := extendable(src.asPointerTo(di.typ).Interface()); err == nil {
+		// Ignore lock since DiscardUnknown is not concurrency safe.
+		emm, _ := em.extensionsRead()
+		for _, mx := range emm {
+			if m, ok := mx.value.(Message); ok {
+				DiscardUnknown(m)
 			}
 		}
-		return true
-	})
+	}

-	// Discard unknown fields.
-	if len(m.GetUnknown()) > 0 {
-		m.SetUnknown(nil)
+	if di.unrecognized.IsValid() {
+		*src.offset(di.unrecognized).toBytes() = nil
+	}
+}
+
+func (di *discardInfo) computeDiscardInfo() {
+	di.lock.Lock()
+	defer di.lock.Unlock()
+	if di.initialized != 0 {
+		return
+	}
+	t := di.typ
+	n := t.NumField()
+
+	for i := 0; i < n; i++ {
+		f := t.Field(i)
+		if strings.HasPrefix(f.Name, "XXX_") {
+			continue
+		}
+
+		dfi := discardFieldInfo{field: toField(&f)}
+		tf := f.Type
+
+		// Unwrap tf to get its most basic type.
+		var isPointer, isSlice bool
+		if tf.Kind() == reflect.Slice && tf.Elem().Kind() != reflect.Uint8 {
+			isSlice = true
+			tf = tf.Elem()
+		}
+		if tf.Kind() == reflect.Ptr {
+			isPointer = true
+			tf = tf.Elem()
+		}
+		if isPointer && isSlice && tf.Kind() != reflect.Struct {
+			panic(fmt.Sprintf("%v.%s cannot be a slice of pointers to primitive types", t, f.Name))
+		}
+
+		switch tf.Kind() {
+		case reflect.Struct:
+			switch {
+			case !isPointer:
+				panic(fmt.Sprintf("%v.%s cannot be a direct struct value", t, f.Name))
+			case isSlice: // E.g., []*pb.T
+				di := getDiscardInfo(tf)
+				dfi.discard = func(src pointer) {
+					sps := src.getPointerSlice()
+					for _, sp := range sps {
+						if !sp.isNil() {
+							di.discard(sp)
+						}
+					}
+				}
+			default: // E.g., *pb.T
+				di := getDiscardInfo(tf)
+				dfi.discard = func(src pointer) {
+					sp := src.getPointer()
+					if !sp.isNil() {
+						di.discard(sp)
+					}
+				}
+			}
+		case reflect.Map:
+			switch {
+			case isPointer || isSlice:
+				panic(fmt.Sprintf("%v.%s cannot be a pointer to a map or a slice of map values", t, f.Name))
+			default: // E.g., map[K]V
+				if tf.Elem().Kind() == reflect.Ptr { // Proto struct (e.g., *T)
+					dfi.discard = func(src pointer) {
+						sm := src.asPointerTo(tf).Elem()
+						if sm.Len() == 0 {
+							return
+						}
+						for _, key := range sm.MapKeys() {
+							val := sm.MapIndex(key)
+							DiscardUnknown(val.Interface().(Message))
+						}
+					}
+				} else {
+					dfi.discard = func(pointer) {} // Noop
+				}
+			}
+		case reflect.Interface:
+			// Must be oneof field.
+			switch {
+			case isPointer || isSlice:
+				panic(fmt.Sprintf("%v.%s cannot be a pointer to a interface or a slice of interface values", t, f.Name))
+			default: // E.g., interface{}
+				// TODO: Make this faster?
+				dfi.discard = func(src pointer) {
+					su := src.asPointerTo(tf).Elem()
+					if !su.IsNil() {
+						sv := su.Elem().Elem().Field(0)
+						if sv.Kind() == reflect.Ptr && sv.IsNil() {
+							return
+						}
+						switch sv.Type().Kind() {
+						case reflect.Ptr: // Proto struct (e.g., *T)
+							DiscardUnknown(sv.Interface().(Message))
+						}
+					}
+				}
+			}
+		default:
+			continue
+		}
+		di.fields = append(di.fields, dfi)
+	}
+
+	di.unrecognized = invalidField
+	if f, ok := t.FieldByName("XXX_unrecognized"); ok {
+		if f.Type != reflect.TypeOf([]byte{}) {
+			panic("expected XXX_unrecognized to be of type []byte")
+		}
+		di.unrecognized = toField(&f)
+	}
+
+	atomic.StoreInt32(&di.initialized, 1)
+}
+
+func discardLegacy(m Message) {
+	v := reflect.ValueOf(m)
+	if v.Kind() != reflect.Ptr || v.IsNil() {
+		return
+	}
+	v = v.Elem()
+	if v.Kind() != reflect.Struct {
+		return
+	}
+	t := v.Type()
+
+	for i := 0; i < v.NumField(); i++ {
+		f := t.Field(i)
+		if strings.HasPrefix(f.Name, "XXX_") {
+			continue
+		}
+		vf := v.Field(i)
+		tf := f.Type
+
+		// Unwrap tf to get its most basic type.
+		var isPointer, isSlice bool
+		if tf.Kind() == reflect.Slice && tf.Elem().Kind() != reflect.Uint8 {
+			isSlice = true
+			tf = tf.Elem()
+		}
+		if tf.Kind() == reflect.Ptr {
+			isPointer = true
+			tf = tf.Elem()
+		}
+		if isPointer && isSlice && tf.Kind() != reflect.Struct {
+			panic(fmt.Sprintf("%T.%s cannot be a slice of pointers to primitive types", m, f.Name))
+		}
+
+		switch tf.Kind() {
+		case reflect.Struct:
+			switch {
+			case !isPointer:
+				panic(fmt.Sprintf("%T.%s cannot be a direct struct value", m, f.Name))
+			case isSlice: // E.g., []*pb.T
+				for j := 0; j < vf.Len(); j++ {
+					discardLegacy(vf.Index(j).Interface().(Message))
+				}
+			default: // E.g., *pb.T
+				discardLegacy(vf.Interface().(Message))
+			}
+		case reflect.Map:
+			switch {
+			case isPointer || isSlice:
+				panic(fmt.Sprintf("%T.%s cannot be a pointer to a map or a slice of map values", m, f.Name))
+			default: // E.g., map[K]V
+				tv := vf.Type().Elem()
+				if tv.Kind() == reflect.Ptr && tv.Implements(protoMessageType) { // Proto struct (e.g., *T)
+					for _, key := range vf.MapKeys() {
+						val := vf.MapIndex(key)
+						discardLegacy(val.Interface().(Message))
+					}
+				}
+			}
+		case reflect.Interface:
+			// Must be oneof field.
+			switch {
+			case isPointer || isSlice:
+				panic(fmt.Sprintf("%T.%s cannot be a pointer to a interface or a slice of interface values", m, f.Name))
+			default: // E.g., test_proto.isCommunique_Union interface
+				if !vf.IsNil() && f.Tag.Get("protobuf_oneof") != "" {
+					vf = vf.Elem() // E.g., *test_proto.Communique_Msg
+					if !vf.IsNil() {
+						vf = vf.Elem()   // E.g., test_proto.Communique_Msg
+						vf = vf.Field(0) // E.g., Proto struct (e.g., *T) or primitive value
+						if vf.Kind() == reflect.Ptr {
+							discardLegacy(vf.Interface().(Message))
+						}
+					}
+				}
+			}
+		}
+	}
+
+	if vf := v.FieldByName("XXX_unrecognized"); vf.IsValid() {
+		if vf.Type() != reflect.TypeOf([]byte{}) {
+			panic("expected XXX_unrecognized to be of type []byte")
+		}
+		vf.Set(reflect.ValueOf([]byte(nil)))
+	}
+
+	// For proto2 messages, only discard unknown fields in message extensions
+	// that have been accessed via GetExtension.
+	if em, err := extendable(m); err == nil {
+		// Ignore lock since discardLegacy is not concurrency safe.
+		emm, _ := em.extensionsRead()
+		for _, mx := range emm {
+			if m, ok := mx.value.(Message); ok {
+				discardLegacy(m)
+			}
+		}
 	}
 }
--- a/vendor/github.com/golang/protobuf/proto/encode.go
+++ b/vendor/github.com/golang/protobuf/proto/encode.go
@@ -0,0 +1,203 @@
+// Go support for Protocol Buffers - Google's data interchange format
+//
+// Copyright 2010 The Go Authors.  All rights reserved.
+// https://github.com/golang/protobuf
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+package proto
+
+/*
+ * Routines for encoding data into the wire format for protocol buffers.
+ */
+
+import (
+	"errors"
+	"reflect"
+)
+
+var (
+	// errRepeatedHasNil is the error returned if Marshal is called with
+	// a struct with a repeated field containing a nil element.
+	errRepeatedHasNil = errors.New("proto: repeated field has nil element")
+
+	// errOneofHasNil is the error returned if Marshal is called with
+	// a struct with a oneof field containing a nil element.
+	errOneofHasNil = errors.New("proto: oneof field has nil value")
+
+	// ErrNil is the error returned if Marshal is called with nil.
+	ErrNil = errors.New("proto: Marshal called with nil")
+
+	// ErrTooLarge is the error returned if Marshal is called with a
+	// message that encodes to >2GB.
+	ErrTooLarge = errors.New("proto: message encodes to over 2 GB")
+)
+
+// The fundamental encoders that put bytes on the wire.
+// Those that take integer types all accept uint64 and are
+// therefore of type valueEncoder.
+
+const maxVarintBytes = 10 // maximum length of a varint
+
+// EncodeVarint returns the varint encoding of x.
+// This is the format for the
+// int32, int64, uint32, uint64, bool, and enum
+// protocol buffer types.
+// Not used by the package itself, but helpful to clients
+// wishing to use the same encoding.
+func EncodeVarint(x uint64) []byte {
+	var buf [maxVarintBytes]byte
+	var n int
+	for n = 0; x > 127; n++ {
+		buf[n] = 0x80 | uint8(x&0x7F)
+		x >>= 7
+	}
+	buf[n] = uint8(x)
+	n++
+	return buf[0:n]
+}
+
+// EncodeVarint writes a varint-encoded integer to the Buffer.
+// This is the format for the
+// int32, int64, uint32, uint64, bool, and enum
+// protocol buffer types.
+func (p *Buffer) EncodeVarint(x uint64) error {
+	for x >= 1<<7 {
+		p.buf = append(p.buf, uint8(x&0x7f|0x80))
+		x >>= 7
+	}
+	p.buf = append(p.buf, uint8(x))
+	return nil
+}
+
+// SizeVarint returns the varint encoding size of an integer.
+func SizeVarint(x uint64) int {
+	switch {
+	case x < 1<<7:
+		return 1
+	case x < 1<<14:
+		return 2
+	case x < 1<<21:
+		return 3
+	case x < 1<<28:
+		return 4
+	case x < 1<<35:
+		return 5
+	case x < 1<<42:
+		return 6
+	case x < 1<<49:
+		return 7
+	case x < 1<<56:
+		return 8
+	case x < 1<<63:
+		return 9
+	}
+	return 10
+}
+
+// EncodeFixed64 writes a 64-bit integer to the Buffer.
+// This is the format for the
+// fixed64, sfixed64, and double protocol buffer types.
+func (p *Buffer) EncodeFixed64(x uint64) error {
+	p.buf = append(p.buf,
+		uint8(x),
+		uint8(x>>8),
+		uint8(x>>16),
+		uint8(x>>24),
+		uint8(x>>32),
+		uint8(x>>40),
+		uint8(x>>48),
+		uint8(x>>56))
+	return nil
+}
+
+// EncodeFixed32 writes a 32-bit integer to the Buffer.
+// This is the format for the
+// fixed32, sfixed32, and float protocol buffer types.
+func (p *Buffer) EncodeFixed32(x uint64) error {
+	p.buf = append(p.buf,
+		uint8(x),
+		uint8(x>>8),
+		uint8(x>>16),
+		uint8(x>>24))
+	return nil
+}
+
+// EncodeZigzag64 writes a zigzag-encoded 64-bit integer
+// to the Buffer.
+// This is the format used for the sint64 protocol buffer type.
+func (p *Buffer) EncodeZigzag64(x uint64) error {
+	// use signed number to get arithmetic right shift.
+	return p.EncodeVarint(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+
+// EncodeZigzag32 writes a zigzag-encoded 32-bit integer
+// to the Buffer.
+// This is the format used for the sint32 protocol buffer type.
+func (p *Buffer) EncodeZigzag32(x uint64) error {
+	// use signed number to get arithmetic right shift.
+	return p.EncodeVarint(uint64((uint32(x) << 1) ^ uint32((int32(x) >> 31))))
+}
+
+// EncodeRawBytes writes a count-delimited byte buffer to the Buffer.
+// This is the format used for the bytes protocol buffer
+// type and for embedded messages.
+func (p *Buffer) EncodeRawBytes(b []byte) error {
+	p.EncodeVarint(uint64(len(b)))
+	p.buf = append(p.buf, b...)
+	return nil
+}
+
+// EncodeStringBytes writes an encoded string to the Buffer.
+// This is the format used for the proto2 string type.
+func (p *Buffer) EncodeStringBytes(s string) error {
+	p.EncodeVarint(uint64(len(s)))
+	p.buf = append(p.buf, s...)
+	return nil
+}
+
+// Marshaler is the interface representing objects that can marshal themselves.
+type Marshaler interface {
+	Marshal() ([]byte, error)
+}
+
+// EncodeMessage writes the protocol buffer to the Buffer,
+// prefixed by a varint-encoded length.
+func (p *Buffer) EncodeMessage(pb Message) error {
+	siz := Size(pb)
+	p.EncodeVarint(uint64(siz))
+	return p.Marshal(pb)
+}
+
+// All protocol buffer fields are nillable, but be careful.
+func isNil(v reflect.Value) bool {
+	switch v.Kind() {
+	case reflect.Interface, reflect.Map, reflect.Ptr, reflect.Slice:
+		return v.IsNil()
+	}
+	return false
+}
--- a/vendor/github.com/golang/protobuf/proto/equal.go
+++ b/vendor/github.com/golang/protobuf/proto/equal.go
@@ -0,0 +1,301 @@
+// Go support for Protocol Buffers - Google's data interchange format
+//
+// Copyright 2011 The Go Authors.  All rights reserved.
+// https://github.com/golang/protobuf
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Protocol buffer comparison.
+
+package proto
+
+import (
+	"bytes"
+	"log"
+	"reflect"
+	"strings"
+)
+
+/*
+Equal returns true iff protocol buffers a and b are equal.
+The arguments must both be pointers to protocol buffer structs.
+
+Equality is defined in this way:
+  - Two messages are equal iff they are the same type,
+    corresponding fields are equal, unknown field sets
+    are equal, and extensions sets are equal.
+  - Two set scalar fields are equal iff their values are equal.
+    If the fields are of a floating-point type, remember that
+    NaN != x for all x, including NaN. If the message is defined
+    in a proto3 .proto file, fields are not "set"; specifically,
+    zero length proto3 "bytes" fields are equal (nil == {}).
+  - Two repeated fields are equal iff their lengths are the same,
+    and their corresponding elements are equal. Note a "bytes" field,
+    although represented by []byte, is not a repeated field and the
+    rule for the scalar fields described above applies.
+  - Two unset fields are equal.
+  - Two unknown field sets are equal if their current
+    encoded state is equal.
+  - Two extension sets are equal iff they have corresponding
+    elements that are pairwise equal.
+  - Two map fields are equal iff their lengths are the same,
+    and they contain the same set of elements. Zero-length map
+    fields are equal.
+  - Every other combination of things are not equal.
+
+The return value is undefined if a and b are not protocol buffers.
+*/
+func Equal(a, b Message) bool {
+	if a == nil || b == nil {
+		return a == b
+	}
+	v1, v2 := reflect.ValueOf(a), reflect.ValueOf(b)
+	if v1.Type() != v2.Type() {
+		return false
+	}
+	if v1.Kind() == reflect.Ptr {
+		if v1.IsNil() {
+			return v2.IsNil()
+		}
+		if v2.IsNil() {
+			return false
+		}
+		v1, v2 = v1.Elem(), v2.Elem()
+	}
+	if v1.Kind() != reflect.Struct {
+		return false
+	}
+	return equalStruct(v1, v2)
+}
+
+// v1 and v2 are known to have the same type.
+func equalStruct(v1, v2 reflect.Value) bool {
+	sprop := GetProperties(v1.Type())
+	for i := 0; i < v1.NumField(); i++ {
+		f := v1.Type().Field(i)
+		if strings.HasPrefix(f.Name, "XXX_") {
+			continue
+		}
+		f1, f2 := v1.Field(i), v2.Field(i)
+		if f.Type.Kind() == reflect.Ptr {
+			if n1, n2 := f1.IsNil(), f2.IsNil(); n1 && n2 {
+				// both unset
+				continue
+			} else if n1 != n2 {
+				// set/unset mismatch
+				return false
+			}
+			f1, f2 = f1.Elem(), f2.Elem()
+		}
+		if !equalAny(f1, f2, sprop.Prop[i]) {
+			return false
+		}
+	}
+
+	if em1 := v1.FieldByName("XXX_InternalExtensions"); em1.IsValid() {
+		em2 := v2.FieldByName("XXX_InternalExtensions")
+		if !equalExtensions(v1.Type(), em1.Interface().(XXX_InternalExtensions), em2.Interface().(XXX_InternalExtensions)) {
+			return false
+		}
+	}
+
+	if em1 := v1.FieldByName("XXX_extensions"); em1.IsValid() {
+		em2 := v2.FieldByName("XXX_extensions")
+		if !equalExtMap(v1.Type(), em1.Interface().(map[int32]Extension), em2.Interface().(map[int32]Extension)) {
+			return false
+		}
+	}
+
+	uf := v1.FieldByName("XXX_unrecognized")
+	if !uf.IsValid() {
+		return true
+	}
+
+	u1 := uf.Bytes()
+	u2 := v2.FieldByName("XXX_unrecognized").Bytes()
+	return bytes.Equal(u1, u2)
+}
+
+// v1 and v2 are known to have the same type.
+// prop may be nil.
+func equalAny(v1, v2 reflect.Value, prop *Properties) bool {
+	if v1.Type() == protoMessageType {
+		m1, _ := v1.Interface().(Message)
+		m2, _ := v2.Interface().(Message)
+		return Equal(m1, m2)
+	}
+	switch v1.Kind() {
+	case reflect.Bool:
+		return v1.Bool() == v2.Bool()
+	case reflect.Float32, reflect.Float64:
+		return v1.Float() == v2.Float()
+	case reflect.Int32, reflect.Int64:
+		return v1.Int() == v2.Int()
+	case reflect.Interface:
+		// Probably a oneof field; compare the inner values.
+		n1, n2 := v1.IsNil(), v2.IsNil()
+		if n1 || n2 {
+			return n1 == n2
+		}
+		e1, e2 := v1.Elem(), v2.Elem()
+		if e1.Type() != e2.Type() {
+			return false
+		}
+		return equalAny(e1, e2, nil)
+	case reflect.Map:
+		if v1.Len() != v2.Len() {
+			return false
+		}
+		for _, key := range v1.MapKeys() {
+			val2 := v2.MapIndex(key)
+			if !val2.IsValid() {
+				// This key was not found in the second map.
+				return false
+			}
+			if !equalAny(v1.MapIndex(key), val2, nil) {
+				return false
+			}
+		}
+		return true
+	case reflect.Ptr:
+		// Maps may have nil values in them, so check for nil.
+		if v1.IsNil() && v2.IsNil() {
+			return true
+		}
+		if v1.IsNil() != v2.IsNil() {
+			return false
+		}
+		return equalAny(v1.Elem(), v2.Elem(), prop)
+	case reflect.Slice:
+		if v1.Type().Elem().Kind() == reflect.Uint8 {
+			// short circuit: []byte
+
+			// Edge case: if this is in a proto3 message, a zero length
+			// bytes field is considered the zero value.
+			if prop != nil && prop.proto3 && v1.Len() == 0 && v2.Len() == 0 {
+				return true
+			}
+			if v1.IsNil() != v2.IsNil() {
+				return false
+			}
+			return bytes.Equal(v1.Interface().([]byte), v2.Interface().([]byte))
+		}
+
+		if v1.Len() != v2.Len() {
+			return false
+		}
+		for i := 0; i < v1.Len(); i++ {
+			if !equalAny(v1.Index(i), v2.Index(i), prop) {
+				return false
+			}
+		}
+		return true
+	case reflect.String:
+		return v1.Interface().(string) == v2.Interface().(string)
+	case reflect.Struct:
+		return equalStruct(v1, v2)
+	case reflect.Uint32, reflect.Uint64:
+		return v1.Uint() == v2.Uint()
+	}
+
+	// unknown type, so not a protocol buffer
+	log.Printf("proto: don't know how to compare %v", v1)
+	return false
+}
+
+// base is the struct type that the extensions are based on.
+// x1 and x2 are InternalExtensions.
+func equalExtensions(base reflect.Type, x1, x2 XXX_InternalExtensions) bool {
+	em1, _ := x1.extensionsRead()
+	em2, _ := x2.extensionsRead()
+	return equalExtMap(base, em1, em2)
+}
+
+func equalExtMap(base reflect.Type, em1, em2 map[int32]Extension) bool {
+	if len(em1) != len(em2) {
+		return false
+	}
+
+	for extNum, e1 := range em1 {
+		e2, ok := em2[extNum]
+		if !ok {
+			return false
+		}
+
+		m1 := extensionAsLegacyType(e1.value)
+		m2 := extensionAsLegacyType(e2.value)
+
+		if m1 == nil && m2 == nil {
+			// Both have only encoded form.
+			if bytes.Equal(e1.enc, e2.enc) {
+				continue
+			}
+			// The bytes are different, but the extensions might still be
+			// equal. We need to decode them to compare.
+		}
+
+		if m1 != nil && m2 != nil {
+			// Both are unencoded.
+			if !equalAny(reflect.ValueOf(m1), reflect.ValueOf(m2), nil) {
+				return false
+			}
+			continue
+		}
+
+		// At least one is encoded. To do a semantically correct comparison
+		// we need to unmarshal them first.
+		var desc *ExtensionDesc
+		if m := extensionMaps[base]; m != nil {
+			desc = m[extNum]
+		}
+		if desc == nil {
+			// If both have only encoded form and the bytes are the same,
+			// it is handled above. We get here when the bytes are different.
+			// We don't know how to decode it, so just compare them as byte
+			// slices.
+			log.Printf("proto: don't know how to compare extension %d of %v", extNum, base)
+			return false
+		}
+		var err error
+		if m1 == nil {
+			m1, err = decodeExtension(e1.enc, desc)
+		}
+		if m2 == nil && err == nil {
+			m2, err = decodeExtension(e2.enc, desc)
+		}
+		if err != nil {
+			// The encoded form is invalid.
+			log.Printf("proto: badly encoded extension %d of %v: %v", extNum, base, err)
+			return false
+		}
+		if !equalAny(reflect.ValueOf(m1), reflect.ValueOf(m2), nil) {
+			return false
+		}
+	}
+
+	return true
+}
--- a/vendor/github.com/golang/protobuf/proto/extensions.go
+++ b/vendor/github.com/golang/protobuf/proto/extensions.go
@@ -1,356 +1,607 @@
-// Copyright 2010 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
+// Go support for Protocol Buffers - Google's data interchange format
+//
+// Copyright 2010 The Go Authors.  All rights reserved.
+// https://github.com/golang/protobuf
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 package proto

+/*
+ * Types and routines for supporting protocol buffer extensions.
+ */
+
 import (
 	"errors"
 	"fmt"
+	"io"
 	"reflect"
-
-	"google.golang.org/protobuf/encoding/protowire"
-	"google.golang.org/protobuf/proto"
-	"google.golang.org/protobuf/reflect/protoreflect"
-	"google.golang.org/protobuf/reflect/protoregistry"
-	"google.golang.org/protobuf/runtime/protoiface"
-	"google.golang.org/protobuf/runtime/protoimpl"
+	"strconv"
+	"sync"
 )

-type (
-	// ExtensionDesc represents an extension descriptor and
-	// is used to interact with an extension field in a message.
-	//
-	// Variables of this type are generated in code by protoc-gen-go.
-	ExtensionDesc = protoimpl.ExtensionInfo
-
-	// ExtensionRange represents a range of message extensions.
-	// Used in code generated by protoc-gen-go.
-	ExtensionRange = protoiface.ExtensionRangeV1
-
-	// Deprecated: Do not use; this is an internal type.
-	Extension = protoimpl.ExtensionFieldV1
-
-	// Deprecated: Do not use; this is an internal type.
-	XXX_InternalExtensions = protoimpl.ExtensionFields
-)
-
-// ErrMissingExtension reports whether the extension was not present.
+// ErrMissingExtension is the error returned by GetExtension if the named extension is not in the message.
 var ErrMissingExtension = errors.New("proto: missing extension")

+// ExtensionRange represents a range of message extensions for a protocol buffer.
+// Used in code generated by the protocol compiler.
+type ExtensionRange struct {
+	Start, End int32 // both inclusive
+}
+
+// extendableProto is an interface implemented by any protocol buffer generated by the current
+// proto compiler that may be extended.
+type extendableProto interface {
+	Message
+	ExtensionRangeArray() []ExtensionRange
+	extensionsWrite() map[int32]Extension
+	extensionsRead() (map[int32]Extension, sync.Locker)
+}
+
+// extendableProtoV1 is an interface implemented by a protocol buffer generated by the previous
+// version of the proto compiler that may be extended.
+type extendableProtoV1 interface {
+	Message
+	ExtensionRangeArray() []ExtensionRange
+	ExtensionMap() map[int32]Extension
+}
+
+// extensionAdapter is a wrapper around extendableProtoV1 that implements extendableProto.
+type extensionAdapter struct {
+	extendableProtoV1
+}
+
+func (e extensionAdapter) extensionsWrite() map[int32]Extension {
+	return e.ExtensionMap()
+}
+
+func (e extensionAdapter) extensionsRead() (map[int32]Extension, sync.Locker) {
+	return e.ExtensionMap(), notLocker{}
+}
+
+// notLocker is a sync.Locker whose Lock and Unlock methods are nops.
+type notLocker struct{}
+
+func (n notLocker) Lock()   {}
+func (n notLocker) Unlock() {}
+
+// extendable returns the extendableProto interface for the given generated proto message.
+// If the proto message has the old extension format, it returns a wrapper that implements
+// the extendableProto interface.
+func extendable(p interface{}) (extendableProto, error) {
+	switch p := p.(type) {
+	case extendableProto:
+		if isNilPtr(p) {
+			return nil, fmt.Errorf("proto: nil %T is not extendable", p)
+		}
+		return p, nil
+	case extendableProtoV1:
+		if isNilPtr(p) {
+			return nil, fmt.Errorf("proto: nil %T is not extendable", p)
+		}
+		return extensionAdapter{p}, nil
+	}
+	// Don't allocate a specific error containing %T:
+	// this is the hot path for Clone and MarshalText.
+	return nil, errNotExtendable
+}
+
 var errNotExtendable = errors.New("proto: not an extendable proto.Message")

-// HasExtension reports whether the extension field is present in m
-// either as an explicitly populated field or as an unknown field.
-func HasExtension(m Message, xt *ExtensionDesc) (has bool) {
-	mr := MessageReflect(m)
-	if mr == nil || !mr.IsValid() {
+func isNilPtr(x interface{}) bool {
+	v := reflect.ValueOf(x)
+	return v.Kind() == reflect.Ptr && v.IsNil()
+}
+
+// XXX_InternalExtensions is an internal representation of proto extensions.
+//
+// Each generated message struct type embeds an anonymous XXX_InternalExtensions field,
+// thus gaining the unexported 'extensions' method, which can be called only from the proto package.
+//
+// The methods of XXX_InternalExtensions are not concurrency safe in general,
+// but calls to logically read-only methods such as has and get may be executed concurrently.
+type XXX_InternalExtensions struct {
+	// The struct must be indirect so that if a user inadvertently copies a
+	// generated message and its embedded XXX_InternalExtensions, they
+	// avoid the mayhem of a copied mutex.
+	//
+	// The mutex serializes all logically read-only operations to p.extensionMap.
+	// It is up to the client to ensure that write operations to p.extensionMap are
+	// mutually exclusive with other accesses.
+	p *struct {
+		mu           sync.Mutex
+		extensionMap map[int32]Extension
+	}
+}
+
+// extensionsWrite returns the extension map, creating it on first use.
+func (e *XXX_InternalExtensions) extensionsWrite() map[int32]Extension {
+	if e.p == nil {
+		e.p = new(struct {
+			mu           sync.Mutex
+			extensionMap map[int32]Extension
+		})
+		e.p.extensionMap = make(map[int32]Extension)
+	}
+	return e.p.extensionMap
+}
+
+// extensionsRead returns the extensions map for read-only use.  It may be nil.
+// The caller must hold the returned mutex's lock when accessing Elements within the map.
+func (e *XXX_InternalExtensions) extensionsRead() (map[int32]Extension, sync.Locker) {
+	if e.p == nil {
+		return nil, nil
+	}
+	return e.p.extensionMap, &e.p.mu
+}
+
+// ExtensionDesc represents an extension specification.
+// Used in generated code from the protocol compiler.
+type ExtensionDesc struct {
+	ExtendedType  Message     // nil pointer to the type that is being extended
+	ExtensionType interface{} // nil pointer to the extension type
+	Field         int32       // field number
+	Name          string      // fully-qualified name of extension, for text formatting
+	Tag           string      // protobuf tag style
+	Filename      string      // name of the file in which the extension is defined
+}
+
+func (ed *ExtensionDesc) repeated() bool {
+	t := reflect.TypeOf(ed.ExtensionType)
+	return t.Kind() == reflect.Slice && t.Elem().Kind() != reflect.Uint8
+}
+
+// Extension represents an extension in a message.
+type Extension struct {
+	// When an extension is stored in a message using SetExtension
+	// only desc and value are set. When the message is marshaled
+	// enc will be set to the encoded form of the message.
+	//
+	// When a message is unmarshaled and contains extensions, each
+	// extension will have only enc set. When such an extension is
+	// accessed using GetExtension (or GetExtensions) desc and value
+	// will be set.
+	desc *ExtensionDesc
+
+	// value is a concrete value for the extension field. Let the type of
+	// desc.ExtensionType be the "API type" and the type of Extension.value
+	// be the "storage type". The API type and storage type are the same except:
+	//	* For scalars (except []byte), the API type uses *T,
+	//	while the storage type uses T.
+	//	* For repeated fields, the API type uses []T, while the storage type
+	//	uses *[]T.
+	//
+	// The reason for the divergence is so that the storage type more naturally
+	// matches what is expected of when retrieving the values through the
+	// protobuf reflection APIs.
+	//
+	// The value may only be populated if desc is also populated.
+	value interface{}
+
+	// enc is the raw bytes for the extension field.
+	enc []byte
+}
+
+// SetRawExtension is for testing only.
+func SetRawExtension(base Message, id int32, b []byte) {
+	epb, err := extendable(base)
+	if err != nil {
+		return
+	}
+	extmap := epb.extensionsWrite()
+	extmap[id] = Extension{enc: b}
+}
+
+// isExtensionField returns true iff the given field number is in an extension range.
+func isExtensionField(pb extendableProto, field int32) bool {
+	for _, er := range pb.ExtensionRangeArray() {
+		if er.Start <= field && field <= er.End {
+			return true
+		}
+	}
+	return false
+}
+
+// checkExtensionTypes checks that the given extension is valid for pb.
+func checkExtensionTypes(pb extendableProto, extension *ExtensionDesc) error {
+	var pbi interface{} = pb
+	// Check the extended type.
+	if ea, ok := pbi.(extensionAdapter); ok {
+		pbi = ea.extendableProtoV1
+	}
+	if a, b := reflect.TypeOf(pbi), reflect.TypeOf(extension.ExtendedType); a != b {
+		return fmt.Errorf("proto: bad extended type; %v does not extend %v", b, a)
+	}
+	// Check the range.
+	if !isExtensionField(pb, extension.Field) {
+		return errors.New("proto: bad extension number; not in declared ranges")
+	}
+	return nil
+}
+
+// extPropKey is sufficient to uniquely identify an extension.
+type extPropKey struct {
+	base  reflect.Type
+	field int32
+}
+
+var extProp = struct {
+	sync.RWMutex
+	m map[extPropKey]*Properties
+}{
+	m: make(map[extPropKey]*Properties),
+}
+
+func extensionProperties(ed *ExtensionDesc) *Properties {
+	key := extPropKey{base: reflect.TypeOf(ed.ExtendedType), field: ed.Field}
+
+	extProp.RLock()
+	if prop, ok := extProp.m[key]; ok {
+		extProp.RUnlock()
+		return prop
+	}
+	extProp.RUnlock()
+
+	extProp.Lock()
+	defer extProp.Unlock()
+	// Check again.
+	if prop, ok := extProp.m[key]; ok {
+		return prop
+	}
+
+	prop := new(Properties)
+	prop.Init(reflect.TypeOf(ed.ExtensionType), "unknown_name", ed.Tag, nil)
+	extProp.m[key] = prop
+	return prop
+}
+
+// HasExtension returns whether the given extension is present in pb.
+func HasExtension(pb Message, extension *ExtensionDesc) bool {
+	// TODO: Check types, field numbers, etc.?
+	epb, err := extendable(pb)
+	if err != nil {
 		return false
 	}
-
-	// Check whether any populated known field matches the field number.
-	xtd := xt.TypeDescriptor()
-	if isValidExtension(mr.Descriptor(), xtd) {
-		has = mr.Has(xtd)
-	} else {
-		mr.Range(func(fd protoreflect.FieldDescriptor, _ protoreflect.Value) bool {
-			has = int32(fd.Number()) == xt.Field
-			return !has
-		})
+	extmap, mu := epb.extensionsRead()
+	if extmap == nil {
+		return false
 	}
-
-	// Check whether any unknown field matches the field number.
-	for b := mr.GetUnknown(); !has && len(b) > 0; {
-		num, _, n := protowire.ConsumeField(b)
-		has = int32(num) == xt.Field
-		b = b[n:]
-	}
-	return has
+	mu.Lock()
+	_, ok := extmap[extension.Field]
+	mu.Unlock()
+	return ok
 }

-// ClearExtension removes the extension field from m
-// either as an explicitly populated field or as an unknown field.
-func ClearExtension(m Message, xt *ExtensionDesc) {
-	mr := MessageReflect(m)
-	if mr == nil || !mr.IsValid() {
+// ClearExtension removes the given extension from pb.
+func ClearExtension(pb Message, extension *ExtensionDesc) {
+	epb, err := extendable(pb)
+	if err != nil {
 		return
 	}
-
-	xtd := xt.TypeDescriptor()
-	if isValidExtension(mr.Descriptor(), xtd) {
-		mr.Clear(xtd)
-	} else {
-		mr.Range(func(fd protoreflect.FieldDescriptor, _ protoreflect.Value) bool {
-			if int32(fd.Number()) == xt.Field {
-				mr.Clear(fd)
-				return false
-			}
-			return true
-		})
-	}
-	clearUnknown(mr, fieldNum(xt.Field))
+	// TODO: Check types, field numbers, etc.?
+	extmap := epb.extensionsWrite()
+	delete(extmap, extension.Field)
 }

-// ClearAllExtensions clears all extensions from m.
-// This includes populated fields and unknown fields in the extension range.
-func ClearAllExtensions(m Message) {
-	mr := MessageReflect(m)
-	if mr == nil || !mr.IsValid() {
-		return
-	}
-
-	mr.Range(func(fd protoreflect.FieldDescriptor, _ protoreflect.Value) bool {
-		if fd.IsExtension() {
-			mr.Clear(fd)
-		}
-		return true
-	})
-	clearUnknown(mr, mr.Descriptor().ExtensionRanges())
-}
-
-// GetExtension retrieves a proto2 extended field from m.
+// GetExtension retrieves a proto2 extended field from pb.
 //
 // If the descriptor is type complete (i.e., ExtensionDesc.ExtensionType is non-nil),
 // then GetExtension parses the encoded field and returns a Go value of the specified type.
 // If the field is not present, then the default value is returned (if one is specified),
 // otherwise ErrMissingExtension is reported.
 //
-// If the descriptor is type incomplete (i.e., ExtensionDesc.ExtensionType is nil),
-// then GetExtension returns the raw encoded bytes for the extension field.
-func GetExtension(m Message, xt *ExtensionDesc) (interface{}, error) {
-	mr := MessageReflect(m)
-	if mr == nil || !mr.IsValid() || mr.Descriptor().ExtensionRanges().Len() == 0 {
-		return nil, errNotExtendable
+// If the descriptor is not type complete (i.e., ExtensionDesc.ExtensionType is nil),
+// then GetExtension returns the raw encoded bytes of the field extension.
+func GetExtension(pb Message, extension *ExtensionDesc) (interface{}, error) {
+	epb, err := extendable(pb)
+	if err != nil {
+		return nil, err
 	}

-	// Retrieve the unknown fields for this extension field.
-	var bo protoreflect.RawFields
-	for bi := mr.GetUnknown(); len(bi) > 0; {
-		num, _, n := protowire.ConsumeField(bi)
-		if int32(num) == xt.Field {
-			bo = append(bo, bi[:n]...)
-		}
-		bi = bi[n:]
-	}
-
-	// For type incomplete descriptors, only retrieve the unknown fields.
-	if xt.ExtensionType == nil {
-		return []byte(bo), nil
-	}
-
-	// If the extension field only exists as unknown fields, unmarshal it.
-	// This is rarely done since proto.Unmarshal eagerly unmarshals extensions.
-	xtd := xt.TypeDescriptor()
-	if !isValidExtension(mr.Descriptor(), xtd) {
-		return nil, fmt.Errorf("proto: bad extended type; %T does not extend %T", xt.ExtendedType, m)
-	}
-	if !mr.Has(xtd) && len(bo) > 0 {
-		m2 := mr.New()
-		if err := (proto.UnmarshalOptions{
-			Resolver: extensionResolver{xt},
-		}.Unmarshal(bo, m2.Interface())); err != nil {
+	if extension.ExtendedType != nil {
+		// can only check type if this is a complete descriptor
+		if err := checkExtensionTypes(epb, extension); err != nil {
 			return nil, err
 		}
-		if m2.Has(xtd) {
-			mr.Set(xtd, m2.Get(xtd))
-			clearUnknown(mr, fieldNum(xt.Field))
-		}
 	}

-	// Check whether the message has the extension field set or a default.
-	var pv protoreflect.Value
-	switch {
-	case mr.Has(xtd):
-		pv = mr.Get(xtd)
-	case xtd.HasDefault():
-		pv = xtd.Default()
-	default:
+	emap, mu := epb.extensionsRead()
+	if emap == nil {
+		return defaultExtensionValue(extension)
+	}
+	mu.Lock()
+	defer mu.Unlock()
+	e, ok := emap[extension.Field]
+	if !ok {
+		// defaultExtensionValue returns the default value or
+		// ErrMissingExtension if there is no default.
+		return defaultExtensionValue(extension)
+	}
+
+	if e.value != nil {
+		// Already decoded. Check the descriptor, though.
+		if e.desc != extension {
+			// This shouldn't happen. If it does, it means that
+			// GetExtension was called twice with two different
+			// descriptors with the same field number.
+			return nil, errors.New("proto: descriptor conflict")
+		}
+		return extensionAsLegacyType(e.value), nil
+	}
+
+	if extension.ExtensionType == nil {
+		// incomplete descriptor
+		return e.enc, nil
+	}
+
+	v, err := decodeExtension(e.enc, extension)
+	if err != nil {
+		return nil, err
+	}
+
+	// Remember the decoded version and drop the encoded version.
+	// That way it is safe to mutate what we return.
+	e.value = extensionAsStorageType(v)
+	e.desc = extension
+	e.enc = nil
+	emap[extension.Field] = e
+	return extensionAsLegacyType(e.value), nil
+}
+
+// defaultExtensionValue returns the default value for extension.
+// If no default for an extension is defined ErrMissingExtension is returned.
+func defaultExtensionValue(extension *ExtensionDesc) (interface{}, error) {
+	if extension.ExtensionType == nil {
+		// incomplete descriptor, so no default
 		return nil, ErrMissingExtension
 	}

-	v := xt.InterfaceOf(pv)
-	rv := reflect.ValueOf(v)
-	if isScalarKind(rv.Kind()) {
-		rv2 := reflect.New(rv.Type())
-		rv2.Elem().Set(rv)
-		v = rv2.Interface()
+	t := reflect.TypeOf(extension.ExtensionType)
+	props := extensionProperties(extension)
+
+	sf, _, err := fieldDefault(t, props)
+	if err != nil {
+		return nil, err
 	}
-	return v, nil
+
+	if sf == nil || sf.value == nil {
+		// There is no default value.
+		return nil, ErrMissingExtension
+	}
+
+	if t.Kind() != reflect.Ptr {
+		// We do not need to return a Ptr, we can directly return sf.value.
+		return sf.value, nil
+	}
+
+	// We need to return an interface{} that is a pointer to sf.value.
+	value := reflect.New(t).Elem()
+	value.Set(reflect.New(value.Type().Elem()))
+	if sf.kind == reflect.Int32 {
+		// We may have an int32 or an enum, but the underlying data is int32.
+		// Since we can't set an int32 into a non int32 reflect.value directly
+		// set it as a int32.
+		value.Elem().SetInt(int64(sf.value.(int32)))
+	} else {
+		value.Elem().Set(reflect.ValueOf(sf.value))
+	}
+	return value.Interface(), nil
 }

-// extensionResolver is a custom extension resolver that stores a single
-// extension type that takes precedence over the global registry.
-type extensionResolver struct{ xt protoreflect.ExtensionType }
+// decodeExtension decodes an extension encoded in b.
+func decodeExtension(b []byte, extension *ExtensionDesc) (interface{}, error) {
+	t := reflect.TypeOf(extension.ExtensionType)
+	unmarshal := typeUnmarshaler(t, extension.Tag)

-func (r extensionResolver) FindExtensionByName(field protoreflect.FullName) (protoreflect.ExtensionType, error) {
-	if xtd := r.xt.TypeDescriptor(); xtd.FullName() == field {
-		return r.xt, nil
-	}
-	return protoregistry.GlobalTypes.FindExtensionByName(field)
-}
+	// t is a pointer to a struct, pointer to basic type or a slice.
+	// Allocate space to store the pointer/slice.
+	value := reflect.New(t).Elem()

-func (r extensionResolver) FindExtensionByNumber(message protoreflect.FullName, field protoreflect.FieldNumber) (protoreflect.ExtensionType, error) {
-	if xtd := r.xt.TypeDescriptor(); xtd.ContainingMessage().FullName() == message && xtd.Number() == field {
-		return r.xt, nil
-	}
-	return protoregistry.GlobalTypes.FindExtensionByNumber(message, field)
-}
+	var err error
+	for {
+		x, n := decodeVarint(b)
+		if n == 0 {
+			return nil, io.ErrUnexpectedEOF
+		}
+		b = b[n:]
+		wire := int(x) & 7

-// GetExtensions returns a list of the extensions values present in m,
-// corresponding with the provided list of extension descriptors, xts.
-// If an extension is missing in m, the corresponding value is nil.
-func GetExtensions(m Message, xts []*ExtensionDesc) ([]interface{}, error) {
-	mr := MessageReflect(m)
-	if mr == nil || !mr.IsValid() {
-		return nil, errNotExtendable
-	}
-
-	vs := make([]interface{}, len(xts))
-	for i, xt := range xts {
-		v, err := GetExtension(m, xt)
+		b, err = unmarshal(b, valToPointer(value.Addr()), wire)
 		if err != nil {
-			if err == ErrMissingExtension {
-				continue
-			}
-			return vs, err
+			return nil, err
+		}
+
+		if len(b) == 0 {
+			break
 		}
-		vs[i] = v
 	}
-	return vs, nil
+	return value.Interface(), nil
 }

-// SetExtension sets an extension field in m to the provided value.
-func SetExtension(m Message, xt *ExtensionDesc, v interface{}) error {
-	mr := MessageReflect(m)
-	if mr == nil || !mr.IsValid() || mr.Descriptor().ExtensionRanges().Len() == 0 {
-		return errNotExtendable
+// GetExtensions returns a slice of the extensions present in pb that are also listed in es.
+// The returned slice has the same length as es; missing extensions will appear as nil elements.
+func GetExtensions(pb Message, es []*ExtensionDesc) (extensions []interface{}, err error) {
+	epb, err := extendable(pb)
+	if err != nil {
+		return nil, err
 	}
-
-	rv := reflect.ValueOf(v)
-	if reflect.TypeOf(v) != reflect.TypeOf(xt.ExtensionType) {
-		return fmt.Errorf("proto: bad extension value type. got: %T, want: %T", v, xt.ExtensionType)
-	}
-	if rv.Kind() == reflect.Ptr {
-		if rv.IsNil() {
-			return fmt.Errorf("proto: SetExtension called with nil value of type %T", v)
+	extensions = make([]interface{}, len(es))
+	for i, e := range es {
+		extensions[i], err = GetExtension(epb, e)
+		if err == ErrMissingExtension {
+			err = nil
 		}
-		if isScalarKind(rv.Elem().Kind()) {
-			v = rv.Elem().Interface()
+		if err != nil {
+			return
 		}
 	}
+	return
+}

-	xtd := xt.TypeDescriptor()
-	if !isValidExtension(mr.Descriptor(), xtd) {
-		return fmt.Errorf("proto: bad extended type; %T does not extend %T", xt.ExtendedType, m)
+// ExtensionDescs returns a new slice containing pb's extension descriptors, in undefined order.
+// For non-registered extensions, ExtensionDescs returns an incomplete descriptor containing
+// just the Field field, which defines the extension's field number.
+func ExtensionDescs(pb Message) ([]*ExtensionDesc, error) {
+	epb, err := extendable(pb)
+	if err != nil {
+		return nil, err
 	}
-	mr.Set(xtd, xt.ValueOf(v))
-	clearUnknown(mr, fieldNum(xt.Field))
+	registeredExtensions := RegisteredExtensions(pb)
+
+	emap, mu := epb.extensionsRead()
+	if emap == nil {
+		return nil, nil
+	}
+	mu.Lock()
+	defer mu.Unlock()
+	extensions := make([]*ExtensionDesc, 0, len(emap))
+	for extid, e := range emap {
+		desc := e.desc
+		if desc == nil {
+			desc = registeredExtensions[extid]
+			if desc == nil {
+				desc = &ExtensionDesc{Field: extid}
+			}
+		}
+
+		extensions = append(extensions, desc)
+	}
+	return extensions, nil
+}
+
+// SetExtension sets the specified extension of pb to the specified value.
+func SetExtension(pb Message, extension *ExtensionDesc, value interface{}) error {
+	epb, err := extendable(pb)
+	if err != nil {
+		return err
+	}
+	if err := checkExtensionTypes(epb, extension); err != nil {
+		return err
+	}
+	typ := reflect.TypeOf(extension.ExtensionType)
+	if typ != reflect.TypeOf(value) {
+		return fmt.Errorf("proto: bad extension value type. got: %T, want: %T", value, extension.ExtensionType)
+	}
+	// nil extension values need to be caught early, because the
+	// encoder can't distinguish an ErrNil due to a nil extension
+	// from an ErrNil due to a missing field. Extensions are
+	// always optional, so the encoder would just swallow the error
+	// and drop all the extensions from the encoded message.
+	if reflect.ValueOf(value).IsNil() {
+		return fmt.Errorf("proto: SetExtension called with nil value of type %T", value)
+	}
+
+	extmap := epb.extensionsWrite()
+	extmap[extension.Field] = Extension{desc: extension, value: extensionAsStorageType(value)}
 	return nil
 }

-// SetRawExtension inserts b into the unknown fields of m.
-//
-// Deprecated: Use Message.ProtoReflect.SetUnknown instead.
-func SetRawExtension(m Message, fnum int32, b []byte) {
-	mr := MessageReflect(m)
-	if mr == nil || !mr.IsValid() {
+// ClearAllExtensions clears all extensions from pb.
+func ClearAllExtensions(pb Message) {
+	epb, err := extendable(pb)
+	if err != nil {
 		return
 	}
-
-	// Verify that the raw field is valid.
-	for b0 := b; len(b0) > 0; {
-		num, _, n := protowire.ConsumeField(b0)
-		if int32(num) != fnum {
-			panic(fmt.Sprintf("mismatching field number: got %d, want %d", num, fnum))
-		}
-		b0 = b0[n:]
+	m := epb.extensionsWrite()
+	for k := range m {
+		delete(m, k)
 	}
-
-	ClearExtension(m, &ExtensionDesc{Field: fnum})
-	mr.SetUnknown(append(mr.GetUnknown(), b...))
 }

-// ExtensionDescs returns a list of extension descriptors found in m,
-// containing descriptors for both populated extension fields in m and
-// also unknown fields of m that are in the extension range.
-// For the later case, an type incomplete descriptor is provided where only
-// the ExtensionDesc.Field field is populated.
-// The order of the extension descriptors is undefined.
-func ExtensionDescs(m Message) ([]*ExtensionDesc, error) {
-	mr := MessageReflect(m)
-	if mr == nil || !mr.IsValid() || mr.Descriptor().ExtensionRanges().Len() == 0 {
-		return nil, errNotExtendable
-	}
+// A global registry of extensions.
+// The generated code will register the generated descriptors by calling RegisterExtension.

-	// Collect a set of known extension descriptors.
-	extDescs := make(map[protoreflect.FieldNumber]*ExtensionDesc)
-	mr.Range(func(fd protoreflect.FieldDescriptor, v protoreflect.Value) bool {
-		if fd.IsExtension() {
-			xt := fd.(protoreflect.ExtensionTypeDescriptor)
-			if xd, ok := xt.Type().(*ExtensionDesc); ok {
-				extDescs[fd.Number()] = xd
+var extensionMaps = make(map[reflect.Type]map[int32]*ExtensionDesc)
+
+// RegisterExtension is called from the generated code.
+func RegisterExtension(desc *ExtensionDesc) {
+	st := reflect.TypeOf(desc.ExtendedType).Elem()
+	m := extensionMaps[st]
+	if m == nil {
+		m = make(map[int32]*ExtensionDesc)
+		extensionMaps[st] = m
+	}
+	if _, ok := m[desc.Field]; ok {
+		panic("proto: duplicate extension registered: " + st.String() + " " + strconv.Itoa(int(desc.Field)))
+	}
+	m[desc.Field] = desc
+}
+
+// RegisteredExtensions returns a map of the registered extensions of a
+// protocol buffer struct, indexed by the extension number.
+// The argument pb should be a nil pointer to the struct type.
+func RegisteredExtensions(pb Message) map[int32]*ExtensionDesc {
+	return extensionMaps[reflect.TypeOf(pb).Elem()]
+}
+
+// extensionAsLegacyType converts an value in the storage type as the API type.
+// See Extension.value.
+func extensionAsLegacyType(v interface{}) interface{} {
+	switch rv := reflect.ValueOf(v); rv.Kind() {
+	case reflect.Bool, reflect.Int32, reflect.Int64, reflect.Uint32, reflect.Uint64, reflect.Float32, reflect.Float64, reflect.String:
+		// Represent primitive types as a pointer to the value.
+		rv2 := reflect.New(rv.Type())
+		rv2.Elem().Set(rv)
+		v = rv2.Interface()
+	case reflect.Ptr:
+		// Represent slice types as the value itself.
+		switch rv.Type().Elem().Kind() {
+		case reflect.Slice:
+			if rv.IsNil() {
+				v = reflect.Zero(rv.Type().Elem()).Interface()
+			} else {
+				v = rv.Elem().Interface()
 			}
 		}
-		return true
-	})
+	}
+	return v
+}

-	// Collect a set of unknown extension descriptors.
-	extRanges := mr.Descriptor().ExtensionRanges()
-	for b := mr.GetUnknown(); len(b) > 0; {
-		num, _, n := protowire.ConsumeField(b)
-		if extRanges.Has(num) && extDescs[num] == nil {
-			extDescs[num] = nil
+// extensionAsStorageType converts an value in the API type as the storage type.
+// See Extension.value.
+func extensionAsStorageType(v interface{}) interface{} {
+	switch rv := reflect.ValueOf(v); rv.Kind() {
+	case reflect.Ptr:
+		// Represent slice types as the value itself.
+		switch rv.Type().Elem().Kind() {
+		case reflect.Bool, reflect.Int32, reflect.Int64, reflect.Uint32, reflect.Uint64, reflect.Float32, reflect.Float64, reflect.String:
+			if rv.IsNil() {
+				v = reflect.Zero(rv.Type().Elem()).Interface()
+			} else {
+				v = rv.Elem().Interface()
+			}
 		}
-		b = b[n:]
-	}
-
-	// Transpose the set of descriptors into a list.
-	var xts []*ExtensionDesc
-	for num, xt := range extDescs {
-		if xt == nil {
-			xt = &ExtensionDesc{Field: int32(num)}
+	case reflect.Slice:
+		// Represent slice types as a pointer to the value.
+		if rv.Type().Elem().Kind() != reflect.Uint8 {
+			rv2 := reflect.New(rv.Type())
+			rv2.Elem().Set(rv)
+			v = rv2.Interface()
 		}
-		xts = append(xts, xt)
 	}
-	return xts, nil
-}
-
-// isValidExtension reports whether xtd is a valid extension descriptor for md.
-func isValidExtension(md protoreflect.MessageDescriptor, xtd protoreflect.ExtensionTypeDescriptor) bool {
-	return xtd.ContainingMessage() == md && md.ExtensionRanges().Has(xtd.Number())
-}
-
-// isScalarKind reports whether k is a protobuf scalar kind (except bytes).
-// This function exists for historical reasons since the representation of
-// scalars differs between v1 and v2, where v1 uses *T and v2 uses T.
-func isScalarKind(k reflect.Kind) bool {
-	switch k {
-	case reflect.Bool, reflect.Int32, reflect.Int64, reflect.Uint32, reflect.Uint64, reflect.Float32, reflect.Float64, reflect.String:
-		return true
-	default:
-		return false
-	}
-}
-
-// clearUnknown removes unknown fields from m where remover.Has reports true.
-func clearUnknown(m protoreflect.Message, remover interface {
-	Has(protoreflect.FieldNumber) bool
-}) {
-	var bo protoreflect.RawFields
-	for bi := m.GetUnknown(); len(bi) > 0; {
-		num, _, n := protowire.ConsumeField(bi)
-		if !remover.Has(num) {
-			bo = append(bo, bi[:n]...)
-		}
-		bi = bi[n:]
-	}
-	if bi := m.GetUnknown(); len(bi) != len(bo) {
-		m.SetUnknown(bo)
-	}
-}
-
-type fieldNum protoreflect.FieldNumber
-
-func (n1 fieldNum) Has(n2 protoreflect.FieldNumber) bool {
-	return protoreflect.FieldNumber(n1) == n2
+	return v
 }
--- a/vendor/github.com/golang/protobuf/proto/lib.go
+++ b/vendor/github.com/golang/protobuf/proto/lib.go
@@ -0,0 +1,965 @@
+// Go support for Protocol Buffers - Google's data interchange format
+//
+// Copyright 2010 The Go Authors.  All rights reserved.
+// https://github.com/golang/protobuf
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+/*
+Package proto converts data structures to and from the wire format of
+protocol buffers.  It works in concert with the Go source code generated
+for .proto files by the protocol compiler.
+
+A summary of the properties of the protocol buffer interface
+for a protocol buffer variable v:
+
+  - Names are turned from camel_case to CamelCase for export.
+  - There are no methods on v to set fields; just treat
+	them as structure fields.
+  - There are getters that return a field's value if set,
+	and return the field's default value if unset.
+	The getters work even if the receiver is a nil message.
+  - The zero value for a struct is its correct initialization state.
+	All desired fields must be set before marshaling.
+  - A Reset() method will restore a protobuf struct to its zero state.
+  - Non-repeated fields are pointers to the values; nil means unset.
+	That is, optional or required field int32 f becomes F *int32.
+  - Repeated fields are slices.
+  - Helper functions are available to aid the setting of fields.
+	msg.Foo = proto.String("hello") // set field
+  - Constants are defined to hold the default values of all fields that
+	have them.  They have the form Default_StructName_FieldName.
+	Because the getter methods handle defaulted values,
+	direct use of these constants should be rare.
+  - Enums are given type names and maps from names to values.
+	Enum values are prefixed by the enclosing message's name, or by the
+	enum's type name if it is a top-level enum. Enum types have a String
+	method, and a Enum method to assist in message construction.
+  - Nested messages, groups and enums have type names prefixed with the name of
+	the surrounding message type.
+  - Extensions are given descriptor names that start with E_,
+	followed by an underscore-delimited list of the nested messages
+	that contain it (if any) followed by the CamelCased name of the
+	extension field itself.  HasExtension, ClearExtension, GetExtension
+	and SetExtension are functions for manipulating extensions.
+  - Oneof field sets are given a single field in their message,
+	with distinguished wrapper types for each possible field value.
+  - Marshal and Unmarshal are functions to encode and decode the wire format.
+
+When the .proto file specifies `syntax="proto3"`, there are some differences:
+
+  - Non-repeated fields of non-message type are values instead of pointers.
+  - Enum types do not get an Enum method.
+
+The simplest way to describe this is to see an example.
+Given file test.proto, containing
+
+	package example;
+
+	enum FOO { X = 17; }
+
+	message Test {
+	  required string label = 1;
+	  optional int32 type = 2 [default=77];
+	  repeated int64 reps = 3;
+	  optional group OptionalGroup = 4 {
+	    required string RequiredField = 5;
+	  }
+	  oneof union {
+	    int32 number = 6;
+	    string name = 7;
+	  }
+	}
+
+The resulting file, test.pb.go, is:
+
+	package example
+
+	import proto "github.com/golang/protobuf/proto"
+	import math "math"
+
+	type FOO int32
+	const (
+		FOO_X FOO = 17
+	)
+	var FOO_name = map[int32]string{
+		17: "X",
+	}
+	var FOO_value = map[string]int32{
+		"X": 17,
+	}
+
+	func (x FOO) Enum() *FOO {
+		p := new(FOO)
+		*p = x
+		return p
+	}
+	func (x FOO) String() string {
+		return proto.EnumName(FOO_name, int32(x))
+	}
+	func (x *FOO) UnmarshalJSON(data []byte) error {
+		value, err := proto.UnmarshalJSONEnum(FOO_value, data)
+		if err != nil {
+			return err
+		}
+		*x = FOO(value)
+		return nil
+	}
+
+	type Test struct {
+		Label         *string             `protobuf:"bytes,1,req,name=label" json:"label,omitempty"`
+		Type          *int32              `protobuf:"varint,2,opt,name=type,def=77" json:"type,omitempty"`
+		Reps          []int64             `protobuf:"varint,3,rep,name=reps" json:"reps,omitempty"`
+		Optionalgroup *Test_OptionalGroup `protobuf:"group,4,opt,name=OptionalGroup" json:"optionalgroup,omitempty"`
+		// Types that are valid to be assigned to Union:
+		//	*Test_Number
+		//	*Test_Name
+		Union            isTest_Union `protobuf_oneof:"union"`
+		XXX_unrecognized []byte       `json:"-"`
+	}
+	func (m *Test) Reset()         { *m = Test{} }
+	func (m *Test) String() string { return proto.CompactTextString(m) }
+	func (*Test) ProtoMessage() {}
+
+	type isTest_Union interface {
+		isTest_Union()
+	}
+
+	type Test_Number struct {
+		Number int32 `protobuf:"varint,6,opt,name=number"`
+	}
+	type Test_Name struct {
+		Name string `protobuf:"bytes,7,opt,name=name"`
+	}
+
+	func (*Test_Number) isTest_Union() {}
+	func (*Test_Name) isTest_Union()   {}
+
+	func (m *Test) GetUnion() isTest_Union {
+		if m != nil {
+			return m.Union
+		}
+		return nil
+	}
+	const Default_Test_Type int32 = 77
+
+	func (m *Test) GetLabel() string {
+		if m != nil && m.Label != nil {
+			return *m.Label
+		}
+		return ""
+	}
+
+	func (m *Test) GetType() int32 {
+		if m != nil && m.Type != nil {
+			return *m.Type
+		}
+		return Default_Test_Type
+	}
+
+	func (m *Test) GetOptionalgroup() *Test_OptionalGroup {
+		if m != nil {
+			return m.Optionalgroup
+		}
+		return nil
+	}
+
+	type Test_OptionalGroup struct {
+		RequiredField *string `protobuf:"bytes,5,req" json:"RequiredField,omitempty"`
+	}
+	func (m *Test_OptionalGroup) Reset()         { *m = Test_OptionalGroup{} }
+	func (m *Test_OptionalGroup) String() string { return proto.CompactTextString(m) }
+
+	func (m *Test_OptionalGroup) GetRequiredField() string {
+		if m != nil && m.RequiredField != nil {
+			return *m.RequiredField
+		}
+		return ""
+	}
+
+	func (m *Test) GetNumber() int32 {
+		if x, ok := m.GetUnion().(*Test_Number); ok {
+			return x.Number
+		}
+		return 0
+	}
+
+	func (m *Test) GetName() string {
+		if x, ok := m.GetUnion().(*Test_Name); ok {
+			return x.Name
+		}
+		return ""
+	}
+
+	func init() {
+		proto.RegisterEnum("example.FOO", FOO_name, FOO_value)
+	}
+
+To create and play with a Test object:
+
+	package main
+
+	import (
+		"log"
+
+		"github.com/golang/protobuf/proto"
+		pb "./example.pb"
+	)
+
+	func main() {
+		test := &pb.Test{
+			Label: proto.String("hello"),
+			Type:  proto.Int32(17),
+			Reps:  []int64{1, 2, 3},
+			Optionalgroup: &pb.Test_OptionalGroup{
+				RequiredField: proto.String("good bye"),
+			},
+			Union: &pb.Test_Name{"fred"},
+		}
+		data, err := proto.Marshal(test)
+		if err != nil {
+			log.Fatal("marshaling error: ", err)
+		}
+		newTest := &pb.Test{}
+		err = proto.Unmarshal(data, newTest)
+		if err != nil {
+			log.Fatal("unmarshaling error: ", err)
+		}
+		// Now test and newTest contain the same data.
+		if test.GetLabel() != newTest.GetLabel() {
+			log.Fatalf("data mismatch %q != %q", test.GetLabel(), newTest.GetLabel())
+		}
+		// Use a type switch to determine which oneof was set.
+		switch u := test.Union.(type) {
+		case *pb.Test_Number: // u.Number contains the number.
+		case *pb.Test_Name: // u.Name contains the string.
+		}
+		// etc.
+	}
+*/
+package proto
+
+import (
+	"encoding/json"
+	"fmt"
+	"log"
+	"reflect"
+	"sort"
+	"strconv"
+	"sync"
+)
+
+// RequiredNotSetError is an error type returned by either Marshal or Unmarshal.
+// Marshal reports this when a required field is not initialized.
+// Unmarshal reports this when a required field is missing from the wire data.
+type RequiredNotSetError struct{ field string }
+
+func (e *RequiredNotSetError) Error() string {
+	if e.field == "" {
+		return fmt.Sprintf("proto: required field not set")
+	}
+	return fmt.Sprintf("proto: required field %q not set", e.field)
+}
+func (e *RequiredNotSetError) RequiredNotSet() bool {
+	return true
+}
+
+type invalidUTF8Error struct{ field string }
+
+func (e *invalidUTF8Error) Error() string {
+	if e.field == "" {
+		return "proto: invalid UTF-8 detected"
+	}
+	return fmt.Sprintf("proto: field %q contains invalid UTF-8", e.field)
+}
+func (e *invalidUTF8Error) InvalidUTF8() bool {
+	return true
+}
+
+// errInvalidUTF8 is a sentinel error to identify fields with invalid UTF-8.
+// This error should not be exposed to the external API as such errors should
+// be recreated with the field information.
+var errInvalidUTF8 = &invalidUTF8Error{}
+
+// isNonFatal reports whether the error is either a RequiredNotSet error
+// or a InvalidUTF8 error.
+func isNonFatal(err error) bool {
+	if re, ok := err.(interface{ RequiredNotSet() bool }); ok && re.RequiredNotSet() {
+		return true
+	}
+	if re, ok := err.(interface{ InvalidUTF8() bool }); ok && re.InvalidUTF8() {
+		return true
+	}
+	return false
+}
+
+type nonFatal struct{ E error }
+
+// Merge merges err into nf and reports whether it was successful.
+// Otherwise it returns false for any fatal non-nil errors.
+func (nf *nonFatal) Merge(err error) (ok bool) {
+	if err == nil {
+		return true // not an error
+	}
+	if !isNonFatal(err) {
+		return false // fatal error
+	}
+	if nf.E == nil {
+		nf.E = err // store first instance of non-fatal error
+	}
+	return true
+}
+
+// Message is implemented by generated protocol buffer messages.
+type Message interface {
+	Reset()
+	String() string
+	ProtoMessage()
+}
+
+// A Buffer is a buffer manager for marshaling and unmarshaling
+// protocol buffers.  It may be reused between invocations to
+// reduce memory usage.  It is not necessary to use a Buffer;
+// the global functions Marshal and Unmarshal create a
+// temporary Buffer and are fine for most applications.
+type Buffer struct {
+	buf   []byte // encode/decode byte stream
+	index int    // read point
+
+	deterministic bool
+}
+
+// NewBuffer allocates a new Buffer and initializes its internal data to
+// the contents of the argument slice.
+func NewBuffer(e []byte) *Buffer {
+	return &Buffer{buf: e}
+}
+
+// Reset resets the Buffer, ready for marshaling a new protocol buffer.
+func (p *Buffer) Reset() {
+	p.buf = p.buf[0:0] // for reading/writing
+	p.index = 0        // for reading
+}
+
+// SetBuf replaces the internal buffer with the slice,
+// ready for unmarshaling the contents of the slice.
+func (p *Buffer) SetBuf(s []byte) {
+	p.buf = s
+	p.index = 0
+}
+
+// Bytes returns the contents of the Buffer.
+func (p *Buffer) Bytes() []byte { return p.buf }
+
+// SetDeterministic sets whether to use deterministic serialization.
+//
+// Deterministic serialization guarantees that for a given binary, equal
+// messages will always be serialized to the same bytes. This implies:
+//
+//   - Repeated serialization of a message will return the same bytes.
+//   - Different processes of the same binary (which may be executing on
+//     different machines) will serialize equal messages to the same bytes.
+//
+// Note that the deterministic serialization is NOT canonical across
+// languages. It is not guaranteed to remain stable over time. It is unstable
+// across different builds with schema changes due to unknown fields.
+// Users who need canonical serialization (e.g., persistent storage in a
+// canonical form, fingerprinting, etc.) should define their own
+// canonicalization specification and implement their own serializer rather
+// than relying on this API.
+//
+// If deterministic serialization is requested, map entries will be sorted
+// by keys in lexographical order. This is an implementation detail and
+// subject to change.
+func (p *Buffer) SetDeterministic(deterministic bool) {
+	p.deterministic = deterministic
+}
+
+/*
+ * Helper routines for simplifying the creation of optional fields of basic type.
+ */
+
+// Bool is a helper routine that allocates a new bool value
+// to store v and returns a pointer to it.
+func Bool(v bool) *bool {
+	return &v
+}
+
+// Int32 is a helper routine that allocates a new int32 value
+// to store v and returns a pointer to it.
+func Int32(v int32) *int32 {
+	return &v
+}
+
+// Int is a helper routine that allocates a new int32 value
+// to store v and returns a pointer to it, but unlike Int32
+// its argument value is an int.
+func Int(v int) *int32 {
+	p := new(int32)
+	*p = int32(v)
+	return p
+}
+
+// Int64 is a helper routine that allocates a new int64 value
+// to store v and returns a pointer to it.
+func Int64(v int64) *int64 {
+	return &v
+}
+
+// Float32 is a helper routine that allocates a new float32 value
+// to store v and returns a pointer to it.
+func Float32(v float32) *float32 {
+	return &v
+}
+
+// Float64 is a helper routine that allocates a new float64 value
+// to store v and returns a pointer to it.
+func Float64(v float64) *float64 {
+	return &v
+}
+
+// Uint32 is a helper routine that allocates a new uint32 value
+// to store v and returns a pointer to it.
+func Uint32(v uint32) *uint32 {
+	return &v
+}
+
+// Uint64 is a helper routine that allocates a new uint64 value
+// to store v and returns a pointer to it.
+func Uint64(v uint64) *uint64 {
+	return &v
+}
+
+// String is a helper routine that allocates a new string value
+// to store v and returns a pointer to it.
+func String(v string) *string {
+	return &v
+}
+
+// EnumName is a helper function to simplify printing protocol buffer enums
+// by name.  Given an enum map and a value, it returns a useful string.
+func EnumName(m map[int32]string, v int32) string {
+	s, ok := m[v]
+	if ok {
+		return s
+	}
+	return strconv.Itoa(int(v))
+}
+
+// UnmarshalJSONEnum is a helper function to simplify recovering enum int values
+// from their JSON-encoded representation. Given a map from the enum's symbolic
+// names to its int values, and a byte buffer containing the JSON-encoded
+// value, it returns an int32 that can be cast to the enum type by the caller.
+//
+// The function can deal with both JSON representations, numeric and symbolic.
+func UnmarshalJSONEnum(m map[string]int32, data []byte, enumName string) (int32, error) {
+	if data[0] == '"' {
+		// New style: enums are strings.
+		var repr string
+		if err := json.Unmarshal(data, &repr); err != nil {
+			return -1, err
+		}
+		val, ok := m[repr]
+		if !ok {
+			return 0, fmt.Errorf("unrecognized enum %s value %q", enumName, repr)
+		}
+		return val, nil
+	}
+	// Old style: enums are ints.
+	var val int32
+	if err := json.Unmarshal(data, &val); err != nil {
+		return 0, fmt.Errorf("cannot unmarshal %#q into enum %s", data, enumName)
+	}
+	return val, nil
+}
+
+// DebugPrint dumps the encoded data in b in a debugging format with a header
+// including the string s. Used in testing but made available for general debugging.
+func (p *Buffer) DebugPrint(s string, b []byte) {
+	var u uint64
+
+	obuf := p.buf
+	index := p.index
+	p.buf = b
+	p.index = 0
+	depth := 0
+
+	fmt.Printf("\n--- %s ---\n", s)
+
+out:
+	for {
+		for i := 0; i < depth; i++ {
+			fmt.Print("  ")
+		}
+
+		index := p.index
+		if index == len(p.buf) {
+			break
+		}
+
+		op, err := p.DecodeVarint()
+		if err != nil {
+			fmt.Printf("%3d: fetching op err %v\n", index, err)
+			break out
+		}
+		tag := op >> 3
+		wire := op & 7
+
+		switch wire {
+		default:
+			fmt.Printf("%3d: t=%3d unknown wire=%d\n",
+				index, tag, wire)
+			break out
+
+		case WireBytes:
+			var r []byte
+
+			r, err = p.DecodeRawBytes(false)
+			if err != nil {
+				break out
+			}
+			fmt.Printf("%3d: t=%3d bytes [%d]", index, tag, len(r))
+			if len(r) <= 6 {
+				for i := 0; i < len(r); i++ {
+					fmt.Printf(" %.2x", r[i])
+				}
+			} else {
+				for i := 0; i < 3; i++ {
+					fmt.Printf(" %.2x", r[i])
+				}
+				fmt.Printf(" ..")
+				for i := len(r) - 3; i < len(r); i++ {
+					fmt.Printf(" %.2x", r[i])
+				}
+			}
+			fmt.Printf("\n")
+
+		case WireFixed32:
+			u, err = p.DecodeFixed32()
+			if err != nil {
+				fmt.Printf("%3d: t=%3d fix32 err %v\n", index, tag, err)
+				break out
+			}
+			fmt.Printf("%3d: t=%3d fix32 %d\n", index, tag, u)
+
+		case WireFixed64:
+			u, err = p.DecodeFixed64()
+			if err != nil {
+				fmt.Printf("%3d: t=%3d fix64 err %v\n", index, tag, err)
+				break out
+			}
+			fmt.Printf("%3d: t=%3d fix64 %d\n", index, tag, u)
+
+		case WireVarint:
+			u, err = p.DecodeVarint()
+			if err != nil {
+				fmt.Printf("%3d: t=%3d varint err %v\n", index, tag, err)
+				break out
+			}
+			fmt.Printf("%3d: t=%3d varint %d\n", index, tag, u)
+
+		case WireStartGroup:
+			fmt.Printf("%3d: t=%3d start\n", index, tag)
+			depth++
+
+		case WireEndGroup:
+			depth--
+			fmt.Printf("%3d: t=%3d end\n", index, tag)
+		}
+	}
+
+	if depth != 0 {
+		fmt.Printf("%3d: start-end not balanced %d\n", p.index, depth)
+	}
+	fmt.Printf("\n")
+
+	p.buf = obuf
+	p.index = index
+}
+
+// SetDefaults sets unset protocol buffer fields to their default values.
+// It only modifies fields that are both unset and have defined defaults.
+// It recursively sets default values in any non-nil sub-messages.
+func SetDefaults(pb Message) {
+	setDefaults(reflect.ValueOf(pb), true, false)
+}
+
+// v is a pointer to a struct.
+func setDefaults(v reflect.Value, recur, zeros bool) {
+	v = v.Elem()
+
+	defaultMu.RLock()
+	dm, ok := defaults[v.Type()]
+	defaultMu.RUnlock()
+	if !ok {
+		dm = buildDefaultMessage(v.Type())
+		defaultMu.Lock()
+		defaults[v.Type()] = dm
+		defaultMu.Unlock()
+	}
+
+	for _, sf := range dm.scalars {
+		f := v.Field(sf.index)
+		if !f.IsNil() {
+			// field already set
+			continue
+		}
+		dv := sf.value
+		if dv == nil && !zeros {
+			// no explicit default, and don't want to set zeros
+			continue
+		}
+		fptr := f.Addr().Interface() // **T
+		// TODO: Consider batching the allocations we do here.
+		switch sf.kind {
+		case reflect.Bool:
+			b := new(bool)
+			if dv != nil {
+				*b = dv.(bool)
+			}
+			*(fptr.(**bool)) = b
+		case reflect.Float32:
+			f := new(float32)
+			if dv != nil {
+				*f = dv.(float32)
+			}
+			*(fptr.(**float32)) = f
+		case reflect.Float64:
+			f := new(float64)
+			if dv != nil {
+				*f = dv.(float64)
+			}
+			*(fptr.(**float64)) = f
+		case reflect.Int32:
+			// might be an enum
+			if ft := f.Type(); ft != int32PtrType {
+				// enum
+				f.Set(reflect.New(ft.Elem()))
+				if dv != nil {
+					f.Elem().SetInt(int64(dv.(int32)))
+				}
+			} else {
+				// int32 field
+				i := new(int32)
+				if dv != nil {
+					*i = dv.(int32)
+				}
+				*(fptr.(**int32)) = i
+			}
+		case reflect.Int64:
+			i := new(int64)
+			if dv != nil {
+				*i = dv.(int64)
+			}
+			*(fptr.(**int64)) = i
+		case reflect.String:
+			s := new(string)
+			if dv != nil {
+				*s = dv.(string)
+			}
+			*(fptr.(**string)) = s
+		case reflect.Uint8:
+			// exceptional case: []byte
+			var b []byte
+			if dv != nil {
+				db := dv.([]byte)
+				b = make([]byte, len(db))
+				copy(b, db)
+			} else {
+				b = []byte{}
+			}
+			*(fptr.(*[]byte)) = b
+		case reflect.Uint32:
+			u := new(uint32)
+			if dv != nil {
+				*u = dv.(uint32)
+			}
+			*(fptr.(**uint32)) = u
+		case reflect.Uint64:
+			u := new(uint64)
+			if dv != nil {
+				*u = dv.(uint64)
+			}
+			*(fptr.(**uint64)) = u
+		default:
+			log.Printf("proto: can't set default for field %v (sf.kind=%v)", f, sf.kind)
+		}
+	}
+
+	for _, ni := range dm.nested {
+		f := v.Field(ni)
+		// f is *T or []*T or map[T]*T
+		switch f.Kind() {
+		case reflect.Ptr:
+			if f.IsNil() {
+				continue
+			}
+			setDefaults(f, recur, zeros)
+
+		case reflect.Slice:
+			for i := 0; i < f.Len(); i++ {
+				e := f.Index(i)
+				if e.IsNil() {
+					continue
+				}
+				setDefaults(e, recur, zeros)
+			}
+
+		case reflect.Map:
+			for _, k := range f.MapKeys() {
+				e := f.MapIndex(k)
+				if e.IsNil() {
+					continue
+				}
+				setDefaults(e, recur, zeros)
+			}
+		}
+	}
+}
+
+var (
+	// defaults maps a protocol buffer struct type to a slice of the fields,
+	// with its scalar fields set to their proto-declared non-zero default values.
+	defaultMu sync.RWMutex
+	defaults  = make(map[reflect.Type]defaultMessage)
+
+	int32PtrType = reflect.TypeOf((*int32)(nil))
+)
+
+// defaultMessage represents information about the default values of a message.
+type defaultMessage struct {
+	scalars []scalarField
+	nested  []int // struct field index of nested messages
+}
+
+type scalarField struct {
+	index int          // struct field index
+	kind  reflect.Kind // element type (the T in *T or []T)
+	value interface{}  // the proto-declared default value, or nil
+}
+
+// t is a struct type.
+func buildDefaultMessage(t reflect.Type) (dm defaultMessage) {
+	sprop := GetProperties(t)
+	for _, prop := range sprop.Prop {
+		fi, ok := sprop.decoderTags.get(prop.Tag)
+		if !ok {
+			// XXX_unrecognized
+			continue
+		}
+		ft := t.Field(fi).Type
+
+		sf, nested, err := fieldDefault(ft, prop)
+		switch {
+		case err != nil:
+			log.Print(err)
+		case nested:
+			dm.nested = append(dm.nested, fi)
+		case sf != nil:
+			sf.index = fi
+			dm.scalars = append(dm.scalars, *sf)
+		}
+	}
+
+	return dm
+}
+
+// fieldDefault returns the scalarField for field type ft.
+// sf will be nil if the field can not have a default.
+// nestedMessage will be true if this is a nested message.
+// Note that sf.index is not set on return.
+func fieldDefault(ft reflect.Type, prop *Properties) (sf *scalarField, nestedMessage bool, err error) {
+	var canHaveDefault bool
+	switch ft.Kind() {
+	case reflect.Ptr:
+		if ft.Elem().Kind() == reflect.Struct {
+			nestedMessage = true
+		} else {
+			canHaveDefault = true // proto2 scalar field
+		}
+
+	case reflect.Slice:
+		switch ft.Elem().Kind() {
+		case reflect.Ptr:
+			nestedMessage = true // repeated message
+		case reflect.Uint8:
+			canHaveDefault = true // bytes field
+		}
+
+	case reflect.Map:
+		if ft.Elem().Kind() == reflect.Ptr {
+			nestedMessage = true // map with message values
+		}
+	}
+
+	if !canHaveDefault {
+		if nestedMessage {
+			return nil, true, nil
+		}
+		return nil, false, nil
+	}
+
+	// We now know that ft is a pointer or slice.
+	sf = &scalarField{kind: ft.Elem().Kind()}
+
+	// scalar fields without defaults
+	if !prop.HasDefault {
+		return sf, false, nil
+	}
+
+	// a scalar field: either *T or []byte
+	switch ft.Elem().Kind() {
+	case reflect.Bool:
+		x, err := strconv.ParseBool(prop.Default)
+		if err != nil {
+			return nil, false, fmt.Errorf("proto: bad default bool %q: %v", prop.Default, err)
+		}
+		sf.value = x
+	case reflect.Float32:
+		x, err := strconv.ParseFloat(prop.Default, 32)
+		if err != nil {
+			return nil, false, fmt.Errorf("proto: bad default float32 %q: %v", prop.Default, err)
+		}
+		sf.value = float32(x)
+	case reflect.Float64:
+		x, err := strconv.ParseFloat(prop.Default, 64)
+		if err != nil {
+			return nil, false, fmt.Errorf("proto: bad default float64 %q: %v", prop.Default, err)
+		}
+		sf.value = x
+	case reflect.Int32:
+		x, err := strconv.ParseInt(prop.Default, 10, 32)
+		if err != nil {
+			return nil, false, fmt.Errorf("proto: bad default int32 %q: %v", prop.Default, err)
+		}
+		sf.value = int32(x)
+	case reflect.Int64:
+		x, err := strconv.ParseInt(prop.Default, 10, 64)
+		if err != nil {
+			return nil, false, fmt.Errorf("proto: bad default int64 %q: %v", prop.Default, err)
+		}
+		sf.value = x
+	case reflect.String:
+		sf.value = prop.Default
+	case reflect.Uint8:
+		// []byte (not *uint8)
+		sf.value = []byte(prop.Default)
+	case reflect.Uint32:
+		x, err := strconv.ParseUint(prop.Default, 10, 32)
+		if err != nil {
+			return nil, false, fmt.Errorf("proto: bad default uint32 %q: %v", prop.Default, err)
+		}
+		sf.value = uint32(x)
+	case reflect.Uint64:
+		x, err := strconv.ParseUint(prop.Default, 10, 64)
+		if err != nil {
+			return nil, false, fmt.Errorf("proto: bad default uint64 %q: %v", prop.Default, err)
+		}
+		sf.value = x
+	default:
+		return nil, false, fmt.Errorf("proto: unhandled def kind %v", ft.Elem().Kind())
+	}
+
+	return sf, false, nil
+}
+
+// mapKeys returns a sort.Interface to be used for sorting the map keys.
+// Map fields may have key types of non-float scalars, strings and enums.
+func mapKeys(vs []reflect.Value) sort.Interface {
+	s := mapKeySorter{vs: vs}
+
+	// Type specialization per https://developers.google.com/protocol-buffers/docs/proto#maps.
+	if len(vs) == 0 {
+		return s
+	}
+	switch vs[0].Kind() {
+	case reflect.Int32, reflect.Int64:
+		s.less = func(a, b reflect.Value) bool { return a.Int() < b.Int() }
+	case reflect.Uint32, reflect.Uint64:
+		s.less = func(a, b reflect.Value) bool { return a.Uint() < b.Uint() }
+	case reflect.Bool:
+		s.less = func(a, b reflect.Value) bool { return !a.Bool() && b.Bool() } // false < true
+	case reflect.String:
+		s.less = func(a, b reflect.Value) bool { return a.String() < b.String() }
+	default:
+		panic(fmt.Sprintf("unsupported map key type: %v", vs[0].Kind()))
+	}
+
+	return s
+}
+
+type mapKeySorter struct {
+	vs   []reflect.Value
+	less func(a, b reflect.Value) bool
+}
+
+func (s mapKeySorter) Len() int      { return len(s.vs) }
+func (s mapKeySorter) Swap(i, j int) { s.vs[i], s.vs[j] = s.vs[j], s.vs[i] }
+func (s mapKeySorter) Less(i, j int) bool {
+	return s.less(s.vs[i], s.vs[j])
+}
+
+// isProto3Zero reports whether v is a zero proto3 value.
+func isProto3Zero(v reflect.Value) bool {
+	switch v.Kind() {
+	case reflect.Bool:
+		return !v.Bool()
+	case reflect.Int32, reflect.Int64:
+		return v.Int() == 0
+	case reflect.Uint32, reflect.Uint64:
+		return v.Uint() == 0
+	case reflect.Float32, reflect.Float64:
+		return v.Float() == 0
+	case reflect.String:
+		return v.String() == ""
+	}
+	return false
+}
+
+const (
+	// ProtoPackageIsVersion3 is referenced from generated protocol buffer files
+	// to assert that that code is compatible with this version of the proto package.
+	ProtoPackageIsVersion3 = true
+
+	// ProtoPackageIsVersion2 is referenced from generated protocol buffer files
+	// to assert that that code is compatible with this version of the proto package.
+	ProtoPackageIsVersion2 = true
+
+	// ProtoPackageIsVersion1 is referenced from generated protocol buffer files
+	// to assert that that code is compatible with this version of the proto package.
+	ProtoPackageIsVersion1 = true
+)
+
+// InternalMessageInfo is a type used internally by generated .pb.go files.
+// This type is not intended to be used by non-generated code.
+// This type is not subject to any compatibility guarantee.
+type InternalMessageInfo struct {
+	marshal   *marshalInfo
+	unmarshal *unmarshalInfo
+	merge     *mergeInfo
+	discard   *discardInfo
+}
--- a/vendor/github.com/golang/protobuf/proto/message_set.go
+++ b/vendor/github.com/golang/protobuf/proto/message_set.go
@@ -0,0 +1,181 @@
+// Go support for Protocol Buffers - Google's data interchange format
+//
+// Copyright 2010 The Go Authors.  All rights reserved.
+// https://github.com/golang/protobuf
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+package proto
+
+/*
+ * Support for message sets.
+ */
+
+import (
+	"errors"
+)
+
+// errNoMessageTypeID occurs when a protocol buffer does not have a message type ID.
+// A message type ID is required for storing a protocol buffer in a message set.
+var errNoMessageTypeID = errors.New("proto does not have a message type ID")
+
+// The first two types (_MessageSet_Item and messageSet)
+// model what the protocol compiler produces for the following protocol message:
+//   message MessageSet {
+//     repeated group Item = 1 {
+//       required int32 type_id = 2;
+//       required string message = 3;
+//     };
+//   }
+// That is the MessageSet wire format. We can't use a proto to generate these
+// because that would introduce a circular dependency between it and this package.
+
+type _MessageSet_Item struct {
+	TypeId  *int32 `protobuf:"varint,2,req,name=type_id"`
+	Message []byte `protobuf:"bytes,3,req,name=message"`
+}
+
+type messageSet struct {
+	Item             []*_MessageSet_Item `protobuf:"group,1,rep"`
+	XXX_unrecognized []byte
+	// TODO: caching?
+}
+
+// Make sure messageSet is a Message.
+var _ Message = (*messageSet)(nil)
+
+// messageTypeIder is an interface satisfied by a protocol buffer type
+// that may be stored in a MessageSet.
+type messageTypeIder interface {
+	MessageTypeId() int32
+}
+
+func (ms *messageSet) find(pb Message) *_MessageSet_Item {
+	mti, ok := pb.(messageTypeIder)
+	if !ok {
+		return nil
+	}
+	id := mti.MessageTypeId()
+	for _, item := range ms.Item {
+		if *item.TypeId == id {
+			return item
+		}
+	}
+	return nil
+}
+
+func (ms *messageSet) Has(pb Message) bool {
+	return ms.find(pb) != nil
+}
+
+func (ms *messageSet) Unmarshal(pb Message) error {
+	if item := ms.find(pb); item != nil {
+		return Unmarshal(item.Message, pb)
+	}
+	if _, ok := pb.(messageTypeIder); !ok {
+		return errNoMessageTypeID
+	}
+	return nil // TODO: return error instead?
+}
+
+func (ms *messageSet) Marshal(pb Message) error {
+	msg, err := Marshal(pb)
+	if err != nil {
+		return err
+	}
+	if item := ms.find(pb); item != nil {
+		// reuse existing item
+		item.Message = msg
+		return nil
+	}
+
+	mti, ok := pb.(messageTypeIder)
+	if !ok {
+		return errNoMessageTypeID
+	}
+
+	mtid := mti.MessageTypeId()
+	ms.Item = append(ms.Item, &_MessageSet_Item{
+		TypeId:  &mtid,
+		Message: msg,
+	})
+	return nil
+}
+
+func (ms *messageSet) Reset()         { *ms = messageSet{} }
+func (ms *messageSet) String() string { return CompactTextString(ms) }
+func (*messageSet) ProtoMessage()     {}
+
+// Support for the message_set_wire_format message option.
+
+func skipVarint(buf []byte) []byte {
+	i := 0
+	for ; buf[i]&0x80 != 0; i++ {
+	}
+	return buf[i+1:]
+}
+
+// unmarshalMessageSet decodes the extension map encoded in buf in the message set wire format.
+// It is called by Unmarshal methods on protocol buffer messages with the message_set_wire_format option.
+func unmarshalMessageSet(buf []byte, exts interface{}) error {
+	var m map[int32]Extension
+	switch exts := exts.(type) {
+	case *XXX_InternalExtensions:
+		m = exts.extensionsWrite()
+	case map[int32]Extension:
+		m = exts
+	default:
+		return errors.New("proto: not an extension map")
+	}
+
+	ms := new(messageSet)
+	if err := Unmarshal(buf, ms); err != nil {
+		return err
+	}
+	for _, item := range ms.Item {
+		id := *item.TypeId
+		msg := item.Message
+
+		// Restore wire type and field number varint, plus length varint.
+		// Be careful to preserve duplicate items.
+		b := EncodeVarint(uint64(id)<<3 | WireBytes)
+		if ext, ok := m[id]; ok {
+			// Existing data; rip off the tag and length varint
+			// so we join the new data correctly.
+			// We can assume that ext.enc is set because we are unmarshaling.
+			o := ext.enc[len(b):]   // skip wire type and field number
+			_, n := DecodeVarint(o) // calculate length of length varint
+			o = o[n:]               // skip length varint
+			msg = append(o, msg...) // join old data and new data
+		}
+		b = append(b, EncodeVarint(uint64(len(msg)))...)
+		b = append(b, msg...)
+
+		m[id] = Extension{enc: b}
+	}
+	return nil
+}
--- a/vendor/github.com/golang/protobuf/proto/pointer_reflect.go
+++ b/vendor/github.com/golang/protobuf/proto/pointer_reflect.go
@@ -0,0 +1,360 @@
+// Go support for Protocol Buffers - Google's data interchange format
+//
+// Copyright 2012 The Go Authors.  All rights reserved.
+// https://github.com/golang/protobuf
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// +build purego appengine js
+
+// This file contains an implementation of proto field accesses using package reflect.
+// It is slower than the code in pointer_unsafe.go but it avoids package unsafe and can
+// be used on App Engine.
+
+package proto
+
+import (
+	"reflect"
+	"sync"
+)
+
+const unsafeAllowed = false
+
+// A field identifies a field in a struct, accessible from a pointer.
+// In this implementation, a field is identified by the sequence of field indices
+// passed to reflect's FieldByIndex.
+type field []int
+
+// toField returns a field equivalent to the given reflect field.
+func toField(f *reflect.StructField) field {
+	return f.Index
+}
+
+// invalidField is an invalid field identifier.
+var invalidField = field(nil)
+
+// zeroField is a noop when calling pointer.offset.
+var zeroField = field([]int{})
+
+// IsValid reports whether the field identifier is valid.
+func (f field) IsValid() bool { return f != nil }
+
+// The pointer type is for the table-driven decoder.
+// The implementation here uses a reflect.Value of pointer type to
+// create a generic pointer. In pointer_unsafe.go we use unsafe
+// instead of reflect to implement the same (but faster) interface.
+type pointer struct {
+	v reflect.Value
+}
+
+// toPointer converts an interface of pointer type to a pointer
+// that points to the same target.
+func toPointer(i *Message) pointer {
+	return pointer{v: reflect.ValueOf(*i)}
+}
+
+// toAddrPointer converts an interface to a pointer that points to
+// the interface data.
+func toAddrPointer(i *interface{}, isptr, deref bool) pointer {
+	v := reflect.ValueOf(*i)
+	u := reflect.New(v.Type())
+	u.Elem().Set(v)
+	if deref {
+		u = u.Elem()
+	}
+	return pointer{v: u}
+}
+
+// valToPointer converts v to a pointer.  v must be of pointer type.
+func valToPointer(v reflect.Value) pointer {
+	return pointer{v: v}
+}
+
+// offset converts from a pointer to a structure to a pointer to
+// one of its fields.
+func (p pointer) offset(f field) pointer {
+	return pointer{v: p.v.Elem().FieldByIndex(f).Addr()}
+}
+
+func (p pointer) isNil() bool {
+	return p.v.IsNil()
+}
+
+// grow updates the slice s in place to make it one element longer.
+// s must be addressable.
+// Returns the (addressable) new element.
+func grow(s reflect.Value) reflect.Value {
+	n, m := s.Len(), s.Cap()
+	if n < m {
+		s.SetLen(n + 1)
+	} else {
+		s.Set(reflect.Append(s, reflect.Zero(s.Type().Elem())))
+	}
+	return s.Index(n)
+}
+
+func (p pointer) toInt64() *int64 {
+	return p.v.Interface().(*int64)
+}
+func (p pointer) toInt64Ptr() **int64 {
+	return p.v.Interface().(**int64)
+}
+func (p pointer) toInt64Slice() *[]int64 {
+	return p.v.Interface().(*[]int64)
+}
+
+var int32ptr = reflect.TypeOf((*int32)(nil))
+
+func (p pointer) toInt32() *int32 {
+	return p.v.Convert(int32ptr).Interface().(*int32)
+}
+
+// The toInt32Ptr/Slice methods don't work because of enums.
+// Instead, we must use set/get methods for the int32ptr/slice case.
+/*
+	func (p pointer) toInt32Ptr() **int32 {
+		return p.v.Interface().(**int32)
+}
+	func (p pointer) toInt32Slice() *[]int32 {
+		return p.v.Interface().(*[]int32)
+}
+*/
+func (p pointer) getInt32Ptr() *int32 {
+	if p.v.Type().Elem().Elem() == reflect.TypeOf(int32(0)) {
+		// raw int32 type
+		return p.v.Elem().Interface().(*int32)
+	}
+	// an enum
+	return p.v.Elem().Convert(int32PtrType).Interface().(*int32)
+}
+func (p pointer) setInt32Ptr(v int32) {
+	// Allocate value in a *int32. Possibly convert that to a *enum.
+	// Then assign it to a **int32 or **enum.
+	// Note: we can convert *int32 to *enum, but we can't convert
+	// **int32 to **enum!
+	p.v.Elem().Set(reflect.ValueOf(&v).Convert(p.v.Type().Elem()))
+}
+
+// getInt32Slice copies []int32 from p as a new slice.
+// This behavior differs from the implementation in pointer_unsafe.go.
+func (p pointer) getInt32Slice() []int32 {
+	if p.v.Type().Elem().Elem() == reflect.TypeOf(int32(0)) {
+		// raw int32 type
+		return p.v.Elem().Interface().([]int32)
+	}
+	// an enum
+	// Allocate a []int32, then assign []enum's values into it.
+	// Note: we can't convert []enum to []int32.
+	slice := p.v.Elem()
+	s := make([]int32, slice.Len())
+	for i := 0; i < slice.Len(); i++ {
+		s[i] = int32(slice.Index(i).Int())
+	}
+	return s
+}
+
+// setInt32Slice copies []int32 into p as a new slice.
+// This behavior differs from the implementation in pointer_unsafe.go.
+func (p pointer) setInt32Slice(v []int32) {
+	if p.v.Type().Elem().Elem() == reflect.TypeOf(int32(0)) {
+		// raw int32 type
+		p.v.Elem().Set(reflect.ValueOf(v))
+		return
+	}
+	// an enum
+	// Allocate a []enum, then assign []int32's values into it.
+	// Note: we can't convert []enum to []int32.
+	slice := reflect.MakeSlice(p.v.Type().Elem(), len(v), cap(v))
+	for i, x := range v {
+		slice.Index(i).SetInt(int64(x))
+	}
+	p.v.Elem().Set(slice)
+}
+func (p pointer) appendInt32Slice(v int32) {
+	grow(p.v.Elem()).SetInt(int64(v))
+}
+
+func (p pointer) toUint64() *uint64 {
+	return p.v.Interface().(*uint64)
+}
+func (p pointer) toUint64Ptr() **uint64 {
+	return p.v.Interface().(**uint64)
+}
+func (p pointer) toUint64Slice() *[]uint64 {
+	return p.v.Interface().(*[]uint64)
+}
+func (p pointer) toUint32() *uint32 {
+	return p.v.Interface().(*uint32)
+}
+func (p pointer) toUint32Ptr() **uint32 {
+	return p.v.Interface().(**uint32)
+}
+func (p pointer) toUint32Slice() *[]uint32 {
+	return p.v.Interface().(*[]uint32)
+}
+func (p pointer) toBool() *bool {
+	return p.v.Interface().(*bool)
+}
+func (p pointer) toBoolPtr() **bool {
+	return p.v.Interface().(**bool)
+}
+func (p pointer) toBoolSlice() *[]bool {
+	return p.v.Interface().(*[]bool)
+}
+func (p pointer) toFloat64() *float64 {
+	return p.v.Interface().(*float64)
+}
+func (p pointer) toFloat64Ptr() **float64 {
+	return p.v.Interface().(**float64)
+}
+func (p pointer) toFloat64Slice() *[]float64 {
+	return p.v.Interface().(*[]float64)
+}
+func (p pointer) toFloat32() *float32 {
+	return p.v.Interface().(*float32)
+}
+func (p pointer) toFloat32Ptr() **float32 {
+	return p.v.Interface().(**float32)
+}
+func (p pointer) toFloat32Slice() *[]float32 {
+	return p.v.Interface().(*[]float32)
+}
+func (p pointer) toString() *string {
+	return p.v.Interface().(*string)
+}
+func (p pointer) toStringPtr() **string {
+	return p.v.Interface().(**string)
+}
+func (p pointer) toStringSlice() *[]string {
+	return p.v.Interface().(*[]string)
+}
+func (p pointer) toBytes() *[]byte {
+	return p.v.Interface().(*[]byte)
+}
+func (p pointer) toBytesSlice() *[][]byte {
+	return p.v.Interface().(*[][]byte)
+}
+func (p pointer) toExtensions() *XXX_InternalExtensions {
+	return p.v.Interface().(*XXX_InternalExtensions)
+}
+func (p pointer) toOldExtensions() *map[int32]Extension {
+	return p.v.Interface().(*map[int32]Extension)
+}
+func (p pointer) getPointer() pointer {
+	return pointer{v: p.v.Elem()}
+}
+func (p pointer) setPointer(q pointer) {
+	p.v.Elem().Set(q.v)
+}
+func (p pointer) appendPointer(q pointer) {
+	grow(p.v.Elem()).Set(q.v)
+}
+
+// getPointerSlice copies []*T from p as a new []pointer.
+// This behavior differs from the implementation in pointer_unsafe.go.
+func (p pointer) getPointerSlice() []pointer {
+	if p.v.IsNil() {
+		return nil
+	}
+	n := p.v.Elem().Len()
+	s := make([]pointer, n)
+	for i := 0; i < n; i++ {
+		s[i] = pointer{v: p.v.Elem().Index(i)}
+	}
+	return s
+}
+
+// setPointerSlice copies []pointer into p as a new []*T.
+// This behavior differs from the implementation in pointer_unsafe.go.
+func (p pointer) setPointerSlice(v []pointer) {
+	if v == nil {
+		p.v.Elem().Set(reflect.New(p.v.Elem().Type()).Elem())
+		return
+	}
+	s := reflect.MakeSlice(p.v.Elem().Type(), 0, len(v))
+	for _, p := range v {
+		s = reflect.Append(s, p.v)
+	}
+	p.v.Elem().Set(s)
+}
+
+// getInterfacePointer returns a pointer that points to the
+// interface data of the interface pointed by p.
+func (p pointer) getInterfacePointer() pointer {
+	if p.v.Elem().IsNil() {
+		return pointer{v: p.v.Elem()}
+	}
+	return pointer{v: p.v.Elem().Elem().Elem().Field(0).Addr()} // *interface -> interface -> *struct -> struct
+}
+
+func (p pointer) asPointerTo(t reflect.Type) reflect.Value {
+	// TODO: check that p.v.Type().Elem() == t?
+	return p.v
+}
+
+func atomicLoadUnmarshalInfo(p **unmarshalInfo) *unmarshalInfo {
+	atomicLock.Lock()
+	defer atomicLock.Unlock()
+	return *p
+}
+func atomicStoreUnmarshalInfo(p **unmarshalInfo, v *unmarshalInfo) {
+	atomicLock.Lock()
+	defer atomicLock.Unlock()
+	*p = v
+}
+func atomicLoadMarshalInfo(p **marshalInfo) *marshalInfo {
+	atomicLock.Lock()
+	defer atomicLock.Unlock()
+	return *p
+}
+func atomicStoreMarshalInfo(p **marshalInfo, v *marshalInfo) {
+	atomicLock.Lock()
+	defer atomicLock.Unlock()
+	*p = v
+}
+func atomicLoadMergeInfo(p **mergeInfo) *mergeInfo {
+	atomicLock.Lock()
+	defer atomicLock.Unlock()
+	return *p
+}
+func atomicStoreMergeInfo(p **mergeInfo, v *mergeInfo) {
+	atomicLock.Lock()
+	defer atomicLock.Unlock()
+	*p = v
+}
+func atomicLoadDiscardInfo(p **discardInfo) *discardInfo {
+	atomicLock.Lock()
+	defer atomicLock.Unlock()
+	return *p
+}
+func atomicStoreDiscardInfo(p **discardInfo, v *discardInfo) {
+	atomicLock.Lock()
+	defer atomicLock.Unlock()
+	*p = v
+}
+
+var atomicLock sync.Mutex
--- a/vendor/github.com/golang/protobuf/proto/pointer_unsafe.go
+++ b/vendor/github.com/golang/protobuf/proto/pointer_unsafe.go
@@ -0,0 +1,313 @@
+// Go support for Protocol Buffers - Google's data interchange format
+//
+// Copyright 2012 The Go Authors.  All rights reserved.
+// https://github.com/golang/protobuf
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// +build !purego,!appengine,!js
+
+// This file contains the implementation of the proto field accesses using package unsafe.
+
+package proto
+
+import (
+	"reflect"
+	"sync/atomic"
+	"unsafe"
+)
+
+const unsafeAllowed = true
+
+// A field identifies a field in a struct, accessible from a pointer.
+// In this implementation, a field is identified by its byte offset from the start of the struct.
+type field uintptr
+
+// toField returns a field equivalent to the given reflect field.
+func toField(f *reflect.StructField) field {
+	return field(f.Offset)
+}
+
+// invalidField is an invalid field identifier.
+const invalidField = ^field(0)
+
+// zeroField is a noop when calling pointer.offset.
+const zeroField = field(0)
+
+// IsValid reports whether the field identifier is valid.
+func (f field) IsValid() bool {
+	return f != invalidField
+}
+
+// The pointer type below is for the new table-driven encoder/decoder.
+// The implementation here uses unsafe.Pointer to create a generic pointer.
+// In pointer_reflect.go we use reflect instead of unsafe to implement
+// the same (but slower) interface.
+type pointer struct {
+	p unsafe.Pointer
+}
+
+// size of pointer
+var ptrSize = unsafe.Sizeof(uintptr(0))
+
+// toPointer converts an interface of pointer type to a pointer
+// that points to the same target.
+func toPointer(i *Message) pointer {
+	// Super-tricky - read pointer out of data word of interface value.
+	// Saves ~25ns over the equivalent:
+	// return valToPointer(reflect.ValueOf(*i))
+	return pointer{p: (*[2]unsafe.Pointer)(unsafe.Pointer(i))[1]}
+}
+
+// toAddrPointer converts an interface to a pointer that points to
+// the interface data.
+func toAddrPointer(i *interface{}, isptr, deref bool) (p pointer) {
+	// Super-tricky - read or get the address of data word of interface value.
+	if isptr {
+		// The interface is of pointer type, thus it is a direct interface.
+		// The data word is the pointer data itself. We take its address.
+		p = pointer{p: unsafe.Pointer(uintptr(unsafe.Pointer(i)) + ptrSize)}
+	} else {
+		// The interface is not of pointer type. The data word is the pointer
+		// to the data.
+		p = pointer{p: (*[2]unsafe.Pointer)(unsafe.Pointer(i))[1]}
+	}
+	if deref {
+		p.p = *(*unsafe.Pointer)(p.p)
+	}
+	return p
+}
+
+// valToPointer converts v to a pointer. v must be of pointer type.
+func valToPointer(v reflect.Value) pointer {
+	return pointer{p: unsafe.Pointer(v.Pointer())}
+}
+
+// offset converts from a pointer to a structure to a pointer to
+// one of its fields.
+func (p pointer) offset(f field) pointer {
+	// For safety, we should panic if !f.IsValid, however calling panic causes
+	// this to no longer be inlineable, which is a serious performance cost.
+	/*
+		if !f.IsValid() {
+			panic("invalid field")
+		}
+	*/
+	return pointer{p: unsafe.Pointer(uintptr(p.p) + uintptr(f))}
+}
+
+func (p pointer) isNil() bool {
+	return p.p == nil
+}
+
+func (p pointer) toInt64() *int64 {
+	return (*int64)(p.p)
+}
+func (p pointer) toInt64Ptr() **int64 {
+	return (**int64)(p.p)
+}
+func (p pointer) toInt64Slice() *[]int64 {
+	return (*[]int64)(p.p)
+}
+func (p pointer) toInt32() *int32 {
+	return (*int32)(p.p)
+}
+
+// See pointer_reflect.go for why toInt32Ptr/Slice doesn't exist.
+/*
+	func (p pointer) toInt32Ptr() **int32 {
+		return (**int32)(p.p)
+	}
+	func (p pointer) toInt32Slice() *[]int32 {
+		return (*[]int32)(p.p)
+	}
+*/
+func (p pointer) getInt32Ptr() *int32 {
+	return *(**int32)(p.p)
+}
+func (p pointer) setInt32Ptr(v int32) {
+	*(**int32)(p.p) = &v
+}
+
+// getInt32Slice loads a []int32 from p.
+// The value returned is aliased with the original slice.
+// This behavior differs from the implementation in pointer_reflect.go.
+func (p pointer) getInt32Slice() []int32 {
+	return *(*[]int32)(p.p)
+}
+
+// setInt32Slice stores a []int32 to p.
+// The value set is aliased with the input slice.
+// This behavior differs from the implementation in pointer_reflect.go.
+func (p pointer) setInt32Slice(v []int32) {
+	*(*[]int32)(p.p) = v
+}
+
+// TODO: Can we get rid of appendInt32Slice and use setInt32Slice instead?
+func (p pointer) appendInt32Slice(v int32) {
+	s := (*[]int32)(p.p)
+	*s = append(*s, v)
+}
+
+func (p pointer) toUint64() *uint64 {
+	return (*uint64)(p.p)
+}
+func (p pointer) toUint64Ptr() **uint64 {
+	return (**uint64)(p.p)
+}
+func (p pointer) toUint64Slice() *[]uint64 {
+	return (*[]uint64)(p.p)
+}
+func (p pointer) toUint32() *uint32 {
+	return (*uint32)(p.p)
+}
+func (p pointer) toUint32Ptr() **uint32 {
+	return (**uint32)(p.p)
+}
+func (p pointer) toUint32Slice() *[]uint32 {
+	return (*[]uint32)(p.p)
+}
+func (p pointer) toBool() *bool {
+	return (*bool)(p.p)
+}
+func (p pointer) toBoolPtr() **bool {
+	return (**bool)(p.p)
+}
+func (p pointer) toBoolSlice() *[]bool {
+	return (*[]bool)(p.p)
+}
+func (p pointer) toFloat64() *float64 {
+	return (*float64)(p.p)
+}
+func (p pointer) toFloat64Ptr() **float64 {
+	return (**float64)(p.p)
+}
+func (p pointer) toFloat64Slice() *[]float64 {
+	return (*[]float64)(p.p)
+}
+func (p pointer) toFloat32() *float32 {
+	return (*float32)(p.p)
+}
+func (p pointer) toFloat32Ptr() **float32 {
+	return (**float32)(p.p)
+}
+func (p pointer) toFloat32Slice() *[]float32 {
+	return (*[]float32)(p.p)
+}
+func (p pointer) toString() *string {
+	return (*string)(p.p)
+}
+func (p pointer) toStringPtr() **string {
+	return (**string)(p.p)
+}
+func (p pointer) toStringSlice() *[]string {
+	return (*[]string)(p.p)
+}
+func (p pointer) toBytes() *[]byte {
+	return (*[]byte)(p.p)
+}
+func (p pointer) toBytesSlice() *[][]byte {
+	return (*[][]byte)(p.p)
+}
+func (p pointer) toExtensions() *XXX_InternalExtensions {
+	return (*XXX_InternalExtensions)(p.p)
+}
+func (p pointer) toOldExtensions() *map[int32]Extension {
+	return (*map[int32]Extension)(p.p)
+}
+
+// getPointerSlice loads []*T from p as a []pointer.
+// The value returned is aliased with the original slice.
+// This behavior differs from the implementation in pointer_reflect.go.
+func (p pointer) getPointerSlice() []pointer {
+	// Super-tricky - p should point to a []*T where T is a
+	// message type. We load it as []pointer.
+	return *(*[]pointer)(p.p)
+}
+
+// setPointerSlice stores []pointer into p as a []*T.
+// The value set is aliased with the input slice.
+// This behavior differs from the implementation in pointer_reflect.go.
+func (p pointer) setPointerSlice(v []pointer) {
+	// Super-tricky - p should point to a []*T where T is a
+	// message type. We store it as []pointer.
+	*(*[]pointer)(p.p) = v
+}
+
+// getPointer loads the pointer at p and returns it.
+func (p pointer) getPointer() pointer {
+	return pointer{p: *(*unsafe.Pointer)(p.p)}
+}
+
+// setPointer stores the pointer q at p.
+func (p pointer) setPointer(q pointer) {
+	*(*unsafe.Pointer)(p.p) = q.p
+}
+
+// append q to the slice pointed to by p.
+func (p pointer) appendPointer(q pointer) {
+	s := (*[]unsafe.Pointer)(p.p)
+	*s = append(*s, q.p)
+}
+
+// getInterfacePointer returns a pointer that points to the
+// interface data of the interface pointed by p.
+func (p pointer) getInterfacePointer() pointer {
+	// Super-tricky - read pointer out of data word of interface value.
+	return pointer{p: (*(*[2]unsafe.Pointer)(p.p))[1]}
+}
+
+// asPointerTo returns a reflect.Value that is a pointer to an
+// object of type t stored at p.
+func (p pointer) asPointerTo(t reflect.Type) reflect.Value {
+	return reflect.NewAt(t, p.p)
+}
+
+func atomicLoadUnmarshalInfo(p **unmarshalInfo) *unmarshalInfo {
+	return (*unmarshalInfo)(atomic.LoadPointer((*unsafe.Pointer)(unsafe.Pointer(p))))
+}
+func atomicStoreUnmarshalInfo(p **unmarshalInfo, v *unmarshalInfo) {
+	atomic.StorePointer((*unsafe.Pointer)(unsafe.Pointer(p)), unsafe.Pointer(v))
+}
+func atomicLoadMarshalInfo(p **marshalInfo) *marshalInfo {
+	return (*marshalInfo)(atomic.LoadPointer((*unsafe.Pointer)(unsafe.Pointer(p))))
+}
+func atomicStoreMarshalInfo(p **marshalInfo, v *marshalInfo) {
+	atomic.StorePointer((*unsafe.Pointer)(unsafe.Pointer(p)), unsafe.Pointer(v))
+}
+func atomicLoadMergeInfo(p **mergeInfo) *mergeInfo {
+	return (*mergeInfo)(atomic.LoadPointer((*unsafe.Pointer)(unsafe.Pointer(p))))
+}
+func atomicStoreMergeInfo(p **mergeInfo, v *mergeInfo) {
+	atomic.StorePointer((*unsafe.Pointer)(unsafe.Pointer(p)), unsafe.Pointer(v))
+}
+func atomicLoadDiscardInfo(p **discardInfo) *discardInfo {
+	return (*discardInfo)(atomic.LoadPointer((*unsafe.Pointer)(unsafe.Pointer(p))))
+}
+func atomicStoreDiscardInfo(p **discardInfo, v *discardInfo) {
+	atomic.StorePointer((*unsafe.Pointer)(unsafe.Pointer(p)), unsafe.Pointer(v))
+}
--- a/vendor/github.com/golang/protobuf/proto/properties.go
+++ b/vendor/github.com/golang/protobuf/proto/properties.go
@@ -1,104 +1,162 @@
-// Copyright 2010 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
+// Go support for Protocol Buffers - Google's data interchange format
+//
+// Copyright 2010 The Go Authors.  All rights reserved.
+// https://github.com/golang/protobuf
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 package proto

+/*
+ * Routines for encoding data into the wire format for protocol buffers.
+ */
+
 import (
 	"fmt"
+	"log"
 	"reflect"
+	"sort"
 	"strconv"
 	"strings"
 	"sync"
-
-	"google.golang.org/protobuf/reflect/protoreflect"
-	"google.golang.org/protobuf/runtime/protoimpl"
 )

-// StructProperties represents protocol buffer type information for a
-// generated protobuf message in the open-struct API.
-//
-// Deprecated: Do not use.
+const debug bool = false
+
+// Constants that identify the encoding of a value on the wire.
+const (
+	WireVarint     = 0
+	WireFixed64    = 1
+	WireBytes      = 2
+	WireStartGroup = 3
+	WireEndGroup   = 4
+	WireFixed32    = 5
+)
+
+// tagMap is an optimization over map[int]int for typical protocol buffer
+// use-cases. Encoded protocol buffers are often in tag order with small tag
+// numbers.
+type tagMap struct {
+	fastTags []int
+	slowTags map[int]int
+}
+
+// tagMapFastLimit is the upper bound on the tag number that will be stored in
+// the tagMap slice rather than its map.
+const tagMapFastLimit = 1024
+
+func (p *tagMap) get(t int) (int, bool) {
+	if t > 0 && t < tagMapFastLimit {
+		if t >= len(p.fastTags) {
+			return 0, false
+		}
+		fi := p.fastTags[t]
+		return fi, fi >= 0
+	}
+	fi, ok := p.slowTags[t]
+	return fi, ok
+}
+
+func (p *tagMap) put(t int, fi int) {
+	if t > 0 && t < tagMapFastLimit {
+		for len(p.fastTags) < t+1 {
+			p.fastTags = append(p.fastTags, -1)
+		}
+		p.fastTags[t] = fi
+		return
+	}
+	if p.slowTags == nil {
+		p.slowTags = make(map[int]int)
+	}
+	p.slowTags[t] = fi
+}
+
+// StructProperties represents properties for all the fields of a struct.
+// decoderTags and decoderOrigNames should only be used by the decoder.
 type StructProperties struct {
-	// Prop are the properties for each field.
-	//
-	// Fields belonging to a oneof are stored in OneofTypes instead, with a
-	// single Properties representing the parent oneof held here.
-	//
-	// The order of Prop matches the order of fields in the Go struct.
-	// Struct fields that are not related to protobufs have a "XXX_" prefix
-	// in the Properties.Name and must be ignored by the user.
-	Prop []*Properties
+	Prop             []*Properties  // properties for each field
+	reqCount         int            // required count
+	decoderTags      tagMap         // map from proto tag to struct field number
+	decoderOrigNames map[string]int // map from original name to struct field number
+	order            []int          // list of struct field numbers in tag order

 	// OneofTypes contains information about the oneof fields in this message.
-	// It is keyed by the protobuf field name.
+	// It is keyed by the original name of a field.
 	OneofTypes map[string]*OneofProperties
 }

-// Properties represents the type information for a protobuf message field.
-//
-// Deprecated: Do not use.
-type Properties struct {
-	// Name is a placeholder name with little meaningful semantic value.
-	// If the name has an "XXX_" prefix, the entire Properties must be ignored.
-	Name string
-	// OrigName is the protobuf field name or oneof name.
-	OrigName string
-	// JSONName is the JSON name for the protobuf field.
-	JSONName string
-	// Enum is a placeholder name for enums.
-	// For historical reasons, this is neither the Go name for the enum,
-	// nor the protobuf name for the enum.
-	Enum string // Deprecated: Do not use.
-	// Weak contains the full name of the weakly referenced message.
-	Weak string
-	// Wire is a string representation of the wire type.
-	Wire string
-	// WireType is the protobuf wire type for the field.
-	WireType int
-	// Tag is the protobuf field number.
-	Tag int
-	// Required reports whether this is a required field.
-	Required bool
-	// Optional reports whether this is a optional field.
-	Optional bool
-	// Repeated reports whether this is a repeated field.
-	Repeated bool
-	// Packed reports whether this is a packed repeated field of scalars.
-	Packed bool
-	// Proto3 reports whether this field operates under the proto3 syntax.
-	Proto3 bool
-	// Oneof reports whether this field belongs within a oneof.
-	Oneof bool
-
-	// Default is the default value in string form.
-	Default string
-	// HasDefault reports whether the field has a default value.
-	HasDefault bool
-
-	// MapKeyProp is the properties for the key field for a map field.
-	MapKeyProp *Properties
-	// MapValProp is the properties for the value field for a map field.
-	MapValProp *Properties
+// OneofProperties represents information about a specific field in a oneof.
+type OneofProperties struct {
+	Type  reflect.Type // pointer to generated struct type for this oneof field
+	Field int          // struct field number of the containing oneof in the message
+	Prop  *Properties
 }

-// OneofProperties represents the type information for a protobuf oneof.
-//
-// Deprecated: Do not use.
-type OneofProperties struct {
-	// Type is a pointer to the generated wrapper type for the field value.
-	// This is nil for messages that are not in the open-struct API.
-	Type reflect.Type
-	// Field is the index into StructProperties.Prop for the containing oneof.
-	Field int
-	// Prop is the properties for the field.
-	Prop *Properties
+// Implement the sorting interface so we can sort the fields in tag order, as recommended by the spec.
+// See encode.go, (*Buffer).enc_struct.
+
+func (sp *StructProperties) Len() int { return len(sp.order) }
+func (sp *StructProperties) Less(i, j int) bool {
+	return sp.Prop[sp.order[i]].Tag < sp.Prop[sp.order[j]].Tag
+}
+func (sp *StructProperties) Swap(i, j int) { sp.order[i], sp.order[j] = sp.order[j], sp.order[i] }
+
+// Properties represents the protocol-specific behavior of a single struct field.
+type Properties struct {
+	Name     string // name of the field, for error messages
+	OrigName string // original name before protocol compiler (always set)
+	JSONName string // name to use for JSON; determined by protoc
+	Wire     string
+	WireType int
+	Tag      int
+	Required bool
+	Optional bool
+	Repeated bool
+	Packed   bool   // relevant for repeated primitives only
+	Enum     string // set for enum types only
+	proto3   bool   // whether this is known to be a proto3 field
+	oneof    bool   // whether this is a oneof field
+
+	Default    string // default value
+	HasDefault bool   // whether an explicit default was provided
+
+	stype reflect.Type      // set for struct types only
+	sprop *StructProperties // set for struct types only
+
+	mtype      reflect.Type // set for map types only
+	MapKeyProp *Properties  // set for map types only
+	MapValProp *Properties  // set for map types only
 }

 // String formats the properties in the protobuf struct field tag style.
 func (p *Properties) String() string {
 	s := p.Wire
-	s += "," + strconv.Itoa(p.Tag)
+	s += ","
+	s += strconv.Itoa(p.Tag)
 	if p.Required {
 		s += ",req"
 	}
@@ -112,21 +170,18 @@ func (p *Properties) String() string {
 		s += ",packed"
 	}
 	s += ",name=" + p.OrigName
-	if p.JSONName != "" {
+	if p.JSONName != p.OrigName {
 		s += ",json=" + p.JSONName
 	}
+	if p.proto3 {
+		s += ",proto3"
+	}
+	if p.oneof {
+		s += ",oneof"
+	}
 	if len(p.Enum) > 0 {
 		s += ",enum=" + p.Enum
 	}
-	if len(p.Weak) > 0 {
-		s += ",weak=" + p.Weak
-	}
-	if p.Proto3 {
-		s += ",proto3"
-	}
-	if p.Oneof {
-		s += ",oneof"
-	}
 	if p.HasDefault {
 		s += ",def=" + p.Default
 	}
@@ -134,173 +189,356 @@ func (p *Properties) String() string {
 }

 // Parse populates p by parsing a string in the protobuf struct field tag style.
-func (p *Properties) Parse(tag string) {
-	// For example: "bytes,49,opt,name=foo,def=hello!"
-	for len(tag) > 0 {
-		i := strings.IndexByte(tag, ',')
-		if i < 0 {
-			i = len(tag)
-		}
-		switch s := tag[:i]; {
-		case strings.HasPrefix(s, "name="):
-			p.OrigName = s[len("name="):]
-		case strings.HasPrefix(s, "json="):
-			p.JSONName = s[len("json="):]
-		case strings.HasPrefix(s, "enum="):
-			p.Enum = s[len("enum="):]
-		case strings.HasPrefix(s, "weak="):
-			p.Weak = s[len("weak="):]
-		case strings.Trim(s, "0123456789") == "":
-			n, _ := strconv.ParseUint(s, 10, 32)
-			p.Tag = int(n)
-		case s == "opt":
-			p.Optional = true
-		case s == "req":
+func (p *Properties) Parse(s string) {
+	// "bytes,49,opt,name=foo,def=hello!"
+	fields := strings.Split(s, ",") // breaks def=, but handled below.
+	if len(fields) < 2 {
+		log.Printf("proto: tag has too few fields: %q", s)
+		return
+	}
+
+	p.Wire = fields[0]
+	switch p.Wire {
+	case "varint":
+		p.WireType = WireVarint
+	case "fixed32":
+		p.WireType = WireFixed32
+	case "fixed64":
+		p.WireType = WireFixed64
+	case "zigzag32":
+		p.WireType = WireVarint
+	case "zigzag64":
+		p.WireType = WireVarint
+	case "bytes", "group":
+		p.WireType = WireBytes
+		// no numeric converter for non-numeric types
+	default:
+		log.Printf("proto: tag has unknown wire type: %q", s)
+		return
+	}
+
+	var err error
+	p.Tag, err = strconv.Atoi(fields[1])
+	if err != nil {
+		return
+	}
+
+outer:
+	for i := 2; i < len(fields); i++ {
+		f := fields[i]
+		switch {
+		case f == "req":
 			p.Required = true
-		case s == "rep":
+		case f == "opt":
+			p.Optional = true
+		case f == "rep":
 			p.Repeated = true
-		case s == "varint" || s == "zigzag32" || s == "zigzag64":
-			p.Wire = s
-			p.WireType = WireVarint
-		case s == "fixed32":
-			p.Wire = s
-			p.WireType = WireFixed32
-		case s == "fixed64":
-			p.Wire = s
-			p.WireType = WireFixed64
-		case s == "bytes":
-			p.Wire = s
-			p.WireType = WireBytes
-		case s == "group":
-			p.Wire = s
-			p.WireType = WireStartGroup
-		case s == "packed":
+		case f == "packed":
 			p.Packed = true
-		case s == "proto3":
-			p.Proto3 = true
-		case s == "oneof":
-			p.Oneof = true
-		case strings.HasPrefix(s, "def="):
-			// The default tag is special in that everything afterwards is the
-			// default regardless of the presence of commas.
+		case strings.HasPrefix(f, "name="):
+			p.OrigName = f[5:]
+		case strings.HasPrefix(f, "json="):
+			p.JSONName = f[5:]
+		case strings.HasPrefix(f, "enum="):
+			p.Enum = f[5:]
+		case f == "proto3":
+			p.proto3 = true
+		case f == "oneof":
+			p.oneof = true
+		case strings.HasPrefix(f, "def="):
 			p.HasDefault = true
-			p.Default, i = tag[len("def="):], len(tag)
+			p.Default = f[4:] // rest of string
+			if i+1 < len(fields) {
+				// Commas aren't escaped, and def is always last.
+				p.Default += "," + strings.Join(fields[i+1:], ",")
+				break outer
+			}
 		}
-		tag = strings.TrimPrefix(tag[i:], ",")
 	}
 }

+var protoMessageType = reflect.TypeOf((*Message)(nil)).Elem()
+
+// setFieldProps initializes the field properties for submessages and maps.
+func (p *Properties) setFieldProps(typ reflect.Type, f *reflect.StructField, lockGetProp bool) {
+	switch t1 := typ; t1.Kind() {
+	case reflect.Ptr:
+		if t1.Elem().Kind() == reflect.Struct {
+			p.stype = t1.Elem()
+		}
+
+	case reflect.Slice:
+		if t2 := t1.Elem(); t2.Kind() == reflect.Ptr && t2.Elem().Kind() == reflect.Struct {
+			p.stype = t2.Elem()
+		}
+
+	case reflect.Map:
+		p.mtype = t1
+		p.MapKeyProp = &Properties{}
+		p.MapKeyProp.init(reflect.PtrTo(p.mtype.Key()), "Key", f.Tag.Get("protobuf_key"), nil, lockGetProp)
+		p.MapValProp = &Properties{}
+		vtype := p.mtype.Elem()
+		if vtype.Kind() != reflect.Ptr && vtype.Kind() != reflect.Slice {
+			// The value type is not a message (*T) or bytes ([]byte),
+			// so we need encoders for the pointer to this type.
+			vtype = reflect.PtrTo(vtype)
+		}
+		p.MapValProp.init(vtype, "Value", f.Tag.Get("protobuf_val"), nil, lockGetProp)
+	}
+
+	if p.stype != nil {
+		if lockGetProp {
+			p.sprop = GetProperties(p.stype)
+		} else {
+			p.sprop = getPropertiesLocked(p.stype)
+		}
+	}
+}
+
+var (
+	marshalerType = reflect.TypeOf((*Marshaler)(nil)).Elem()
+)
+
 // Init populates the properties from a protocol buffer struct tag.
-//
-// Deprecated: Do not use.
 func (p *Properties) Init(typ reflect.Type, name, tag string, f *reflect.StructField) {
+	p.init(typ, name, tag, f, true)
+}
+
+func (p *Properties) init(typ reflect.Type, name, tag string, f *reflect.StructField, lockGetProp bool) {
+	// "bytes,49,opt,def=hello!"
 	p.Name = name
 	p.OrigName = name
 	if tag == "" {
 		return
 	}
 	p.Parse(tag)
-
-	if typ != nil && typ.Kind() == reflect.Map {
-		p.MapKeyProp = new(Properties)
-		p.MapKeyProp.Init(nil, "Key", f.Tag.Get("protobuf_key"), nil)
-		p.MapValProp = new(Properties)
-		p.MapValProp.Init(nil, "Value", f.Tag.Get("protobuf_val"), nil)
-	}
+	p.setFieldProps(typ, f, lockGetProp)
 }

-var propertiesCache sync.Map // map[reflect.Type]*StructProperties
+var (
+	propertiesMu  sync.RWMutex
+	propertiesMap = make(map[reflect.Type]*StructProperties)
+)

-// GetProperties returns the list of properties for the type represented by t,
-// which must be a generated protocol buffer message in the open-struct API,
-// where protobuf message fields are represented by exported Go struct fields.
-//
-// Deprecated: Use protobuf reflection instead.
+// GetProperties returns the list of properties for the type represented by t.
+// t must represent a generated struct type of a protocol message.
 func GetProperties(t reflect.Type) *StructProperties {
-	if p, ok := propertiesCache.Load(t); ok {
-		return p.(*StructProperties)
+	if t.Kind() != reflect.Struct {
+		panic("proto: type must have kind struct")
 	}
-	p, _ := propertiesCache.LoadOrStore(t, newProperties(t))
-	return p.(*StructProperties)
+
+	// Most calls to GetProperties in a long-running program will be
+	// retrieving details for types we have seen before.
+	propertiesMu.RLock()
+	sprop, ok := propertiesMap[t]
+	propertiesMu.RUnlock()
+	if ok {
+		return sprop
+	}
+
+	propertiesMu.Lock()
+	sprop = getPropertiesLocked(t)
+	propertiesMu.Unlock()
+	return sprop
 }

-func newProperties(t reflect.Type) *StructProperties {
-	if t.Kind() != reflect.Struct {
-		panic(fmt.Sprintf("%v is not a generated message in the open-struct API", t))
+type (
+	oneofFuncsIface interface {
+		XXX_OneofFuncs() (func(Message, *Buffer) error, func(Message, int, int, *Buffer) (bool, error), func(Message) int, []interface{})
+	}
+	oneofWrappersIface interface {
+		XXX_OneofWrappers() []interface{}
+	}
+)
+
+// getPropertiesLocked requires that propertiesMu is held.
+func getPropertiesLocked(t reflect.Type) *StructProperties {
+	if prop, ok := propertiesMap[t]; ok {
+		return prop
 	}

-	var hasOneof bool
 	prop := new(StructProperties)
+	// in case of recursive protos, fill this in now.
+	propertiesMap[t] = prop
+
+	// build properties
+	prop.Prop = make([]*Properties, t.NumField())
+	prop.order = make([]int, t.NumField())

-	// Construct a list of properties for each field in the struct.
 	for i := 0; i < t.NumField(); i++ {
-		p := new(Properties)
 		f := t.Field(i)
-		tagField := f.Tag.Get("protobuf")
-		p.Init(f.Type, f.Name, tagField, &f)
+		p := new(Properties)
+		name := f.Name
+		p.init(f.Type, name, f.Tag.Get("protobuf"), &f, false)

-		tagOneof := f.Tag.Get("protobuf_oneof")
-		if tagOneof != "" {
-			hasOneof = true
-			p.OrigName = tagOneof
+		oneof := f.Tag.Get("protobuf_oneof") // special case
+		if oneof != "" {
+			// Oneof fields don't use the traditional protobuf tag.
+			p.OrigName = oneof
 		}
-
-		// Rename unrelated struct fields with the "XXX_" prefix since so much
-		// user code simply checks for this to exclude special fields.
-		if tagField == "" && tagOneof == "" && !strings.HasPrefix(p.Name, "XXX_") {
-			p.Name = "XXX_" + p.Name
-			p.OrigName = "XXX_" + p.OrigName
-		} else if p.Weak != "" {
-			p.Name = p.OrigName // avoid possible "XXX_" prefix on weak field
+		prop.Prop[i] = p
+		prop.order[i] = i
+		if debug {
+			print(i, " ", f.Name, " ", t.String(), " ")
+			if p.Tag > 0 {
+				print(p.String())
+			}
+			print("\n")
 		}
-
-		prop.Prop = append(prop.Prop, p)
 	}

-	// Construct a mapping of oneof field names to properties.
-	if hasOneof {
-		var oneofWrappers []interface{}
-		if fn, ok := reflect.PtrTo(t).MethodByName("XXX_OneofFuncs"); ok {
-			oneofWrappers = fn.Func.Call([]reflect.Value{reflect.Zero(fn.Type.In(0))})[3].Interface().([]interface{})
-		}
-		if fn, ok := reflect.PtrTo(t).MethodByName("XXX_OneofWrappers"); ok {
-			oneofWrappers = fn.Func.Call([]reflect.Value{reflect.Zero(fn.Type.In(0))})[0].Interface().([]interface{})
-		}
-		if m, ok := reflect.Zero(reflect.PtrTo(t)).Interface().(protoreflect.ProtoMessage); ok {
-			if m, ok := m.ProtoReflect().(interface{ ProtoMessageInfo() *protoimpl.MessageInfo }); ok {
-				oneofWrappers = m.ProtoMessageInfo().OneofWrappers
-			}
-		}
+	// Re-order prop.order.
+	sort.Sort(prop)

+	var oots []interface{}
+	switch m := reflect.Zero(reflect.PtrTo(t)).Interface().(type) {
+	case oneofFuncsIface:
+		_, _, _, oots = m.XXX_OneofFuncs()
+	case oneofWrappersIface:
+		oots = m.XXX_OneofWrappers()
+	}
+	if len(oots) > 0 {
+		// Interpret oneof metadata.
 		prop.OneofTypes = make(map[string]*OneofProperties)
-		for _, wrapper := range oneofWrappers {
-			p := &OneofProperties{
-				Type: reflect.ValueOf(wrapper).Type(), // *T
+		for _, oot := range oots {
+			oop := &OneofProperties{
+				Type: reflect.ValueOf(oot).Type(), // *T
 				Prop: new(Properties),
 			}
-			f := p.Type.Elem().Field(0)
-			p.Prop.Name = f.Name
-			p.Prop.Parse(f.Tag.Get("protobuf"))
-
-			// Determine the struct field that contains this oneof.
-			// Each wrapper is assignable to exactly one parent field.
-			var foundOneof bool
-			for i := 0; i < t.NumField() && !foundOneof; i++ {
-				if p.Type.AssignableTo(t.Field(i).Type) {
-					p.Field = i
-					foundOneof = true
+			sft := oop.Type.Elem().Field(0)
+			oop.Prop.Name = sft.Name
+			oop.Prop.Parse(sft.Tag.Get("protobuf"))
+			// There will be exactly one interface field that
+			// this new value is assignable to.
+			for i := 0; i < t.NumField(); i++ {
+				f := t.Field(i)
+				if f.Type.Kind() != reflect.Interface {
+					continue
 				}
+				if !oop.Type.AssignableTo(f.Type) {
+					continue
+				}
+				oop.Field = i
+				break
 			}
-			if !foundOneof {
-				panic(fmt.Sprintf("%v is not a generated message in the open-struct API", t))
-			}
-			prop.OneofTypes[p.Prop.OrigName] = p
+			prop.OneofTypes[oop.Prop.OrigName] = oop
 		}
 	}

+	// build required counts
+	// build tags
+	reqCount := 0
+	prop.decoderOrigNames = make(map[string]int)
+	for i, p := range prop.Prop {
+		if strings.HasPrefix(p.Name, "XXX_") {
+			// Internal fields should not appear in tags/origNames maps.
+			// They are handled specially when encoding and decoding.
+			continue
+		}
+		if p.Required {
+			reqCount++
+		}
+		prop.decoderTags.put(p.Tag, i)
+		prop.decoderOrigNames[p.OrigName] = i
+	}
+	prop.reqCount = reqCount
+
 	return prop
 }

-func (sp *StructProperties) Len() int           { return len(sp.Prop) }
-func (sp *StructProperties) Less(i, j int) bool { return false }
-func (sp *StructProperties) Swap(i, j int)      { return }
+// A global registry of enum types.
+// The generated code will register the generated maps by calling RegisterEnum.
+
+var enumValueMaps = make(map[string]map[string]int32)
+
+// RegisterEnum is called from the generated code to install the enum descriptor
+// maps into the global table to aid parsing text format protocol buffers.
+func RegisterEnum(typeName string, unusedNameMap map[int32]string, valueMap map[string]int32) {
+	if _, ok := enumValueMaps[typeName]; ok {
+		panic("proto: duplicate enum registered: " + typeName)
+	}
+	enumValueMaps[typeName] = valueMap
+}
+
+// EnumValueMap returns the mapping from names to integers of the
+// enum type enumType, or a nil if not found.
+func EnumValueMap(enumType string) map[string]int32 {
+	return enumValueMaps[enumType]
+}
+
+// A registry of all linked message types.
+// The string is a fully-qualified proto name ("pkg.Message").
+var (
+	protoTypedNils = make(map[string]Message)      // a map from proto names to typed nil pointers
+	protoMapTypes  = make(map[string]reflect.Type) // a map from proto names to map types
+	revProtoTypes  = make(map[reflect.Type]string)
+)
+
+// RegisterType is called from generated code and maps from the fully qualified
+// proto name to the type (pointer to struct) of the protocol buffer.
+func RegisterType(x Message, name string) {
+	if _, ok := protoTypedNils[name]; ok {
+		// TODO: Some day, make this a panic.
+		log.Printf("proto: duplicate proto type registered: %s", name)
+		return
+	}
+	t := reflect.TypeOf(x)
+	if v := reflect.ValueOf(x); v.Kind() == reflect.Ptr && v.Pointer() == 0 {
+		// Generated code always calls RegisterType with nil x.
+		// This check is just for extra safety.
+		protoTypedNils[name] = x
+	} else {
+		protoTypedNils[name] = reflect.Zero(t).Interface().(Message)
+	}
+	revProtoTypes[t] = name
+}
+
+// RegisterMapType is called from generated code and maps from the fully qualified
+// proto name to the native map type of the proto map definition.
+func RegisterMapType(x interface{}, name string) {
+	if reflect.TypeOf(x).Kind() != reflect.Map {
+		panic(fmt.Sprintf("RegisterMapType(%T, %q); want map", x, name))
+	}
+	if _, ok := protoMapTypes[name]; ok {
+		log.Printf("proto: duplicate proto type registered: %s", name)
+		return
+	}
+	t := reflect.TypeOf(x)
+	protoMapTypes[name] = t
+	revProtoTypes[t] = name
+}
+
+// MessageName returns the fully-qualified proto name for the given message type.
+func MessageName(x Message) string {
+	type xname interface {
+		XXX_MessageName() string
+	}
+	if m, ok := x.(xname); ok {
+		return m.XXX_MessageName()
+	}
+	return revProtoTypes[reflect.TypeOf(x)]
+}
+
+// MessageType returns the message type (pointer to struct) for a named message.
+// The type is not guaranteed to implement proto.Message if the name refers to a
+// map entry.
+func MessageType(name string) reflect.Type {
+	if t, ok := protoTypedNils[name]; ok {
+		return reflect.TypeOf(t)
+	}
+	return protoMapTypes[name]
+}
+
+// A registry of all linked proto files.
+var (
+	protoFiles = make(map[string][]byte) // file name => fileDescriptor
+)
+
+// RegisterFile is called from generated code and maps from the
+// full file name of a .proto file to its compressed FileDescriptorProto.
+func RegisterFile(filename string, fileDescriptor []byte) {
+	protoFiles[filename] = fileDescriptor
+}
+
+// FileDescriptor returns the compressed FileDescriptorProto for a .proto file.
+func FileDescriptor(filename string) []byte { return protoFiles[filename] }
--- a/vendor/github.com/golang/protobuf/proto/proto.go
+++ b/vendor/github.com/golang/protobuf/proto/proto.go
@@ -1,167 +0,0 @@
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Package proto provides functionality for handling protocol buffer messages.
-// In particular, it provides marshaling and unmarshaling between a protobuf
-// message and the binary wire format.
-//
-// See https://developers.google.com/protocol-buffers/docs/gotutorial for
-// more information.
-//
-// Deprecated: Use the "google.golang.org/protobuf/proto" package instead.
-package proto
-
-import (
-	protoV2 "google.golang.org/protobuf/proto"
-	"google.golang.org/protobuf/reflect/protoreflect"
-	"google.golang.org/protobuf/runtime/protoiface"
-	"google.golang.org/protobuf/runtime/protoimpl"
-)
-
-const (
-	ProtoPackageIsVersion1 = true
-	ProtoPackageIsVersion2 = true
-	ProtoPackageIsVersion3 = true
-	ProtoPackageIsVersion4 = true
-)
-
-// GeneratedEnum is any enum type generated by protoc-gen-go
-// which is a named int32 kind.
-// This type exists for documentation purposes.
-type GeneratedEnum interface{}
-
-// GeneratedMessage is any message type generated by protoc-gen-go
-// which is a pointer to a named struct kind.
-// This type exists for documentation purposes.
-type GeneratedMessage interface{}
-
-// Message is a protocol buffer message.
-//
-// This is the v1 version of the message interface and is marginally better
-// than an empty interface as it lacks any method to programatically interact
-// with the contents of the message.
-//
-// A v2 message is declared in "google.golang.org/protobuf/proto".Message and
-// exposes protobuf reflection as a first-class feature of the interface.
-//
-// To convert a v1 message to a v2 message, use the MessageV2 function.
-// To convert a v2 message to a v1 message, use the MessageV1 function.
-type Message = protoiface.MessageV1
-
-// MessageV1 converts either a v1 or v2 message to a v1 message.
-// It returns nil if m is nil.
-func MessageV1(m GeneratedMessage) protoiface.MessageV1 {
-	return protoimpl.X.ProtoMessageV1Of(m)
-}
-
-// MessageV2 converts either a v1 or v2 message to a v2 message.
-// It returns nil if m is nil.
-func MessageV2(m GeneratedMessage) protoV2.Message {
-	return protoimpl.X.ProtoMessageV2Of(m)
-}
-
-// MessageReflect returns a reflective view for a message.
-// It returns nil if m is nil.
-func MessageReflect(m Message) protoreflect.Message {
-	return protoimpl.X.MessageOf(m)
-}
-
-// Marshaler is implemented by messages that can marshal themselves.
-// This interface is used by the following functions: Size, Marshal,
-// Buffer.Marshal, and Buffer.EncodeMessage.
-//
-// Deprecated: Do not implement.
-type Marshaler interface {
-	// Marshal formats the encoded bytes of the message.
-	// It should be deterministic and emit valid protobuf wire data.
-	// The caller takes ownership of the returned buffer.
-	Marshal() ([]byte, error)
-}
-
-// Unmarshaler is implemented by messages that can unmarshal themselves.
-// This interface is used by the following functions: Unmarshal, UnmarshalMerge,
-// Buffer.Unmarshal, Buffer.DecodeMessage, and Buffer.DecodeGroup.
-//
-// Deprecated: Do not implement.
-type Unmarshaler interface {
-	// Unmarshal parses the encoded bytes of the protobuf wire input.
-	// The provided buffer is only valid for during method call.
-	// It should not reset the receiver message.
-	Unmarshal([]byte) error
-}
-
-// Merger is implemented by messages that can merge themselves.
-// This interface is used by the following functions: Clone and Merge.
-//
-// Deprecated: Do not implement.
-type Merger interface {
-	// Merge merges the contents of src into the receiver message.
-	// It clones all data structures in src such that it aliases no mutable
-	// memory referenced by src.
-	Merge(src Message)
-}
-
-// RequiredNotSetError is an error type returned when
-// marshaling or unmarshaling a message with missing required fields.
-type RequiredNotSetError struct {
-	err error
-}
-
-func (e *RequiredNotSetError) Error() string {
-	if e.err != nil {
-		return e.err.Error()
-	}
-	return "proto: required field not set"
-}
-func (e *RequiredNotSetError) RequiredNotSet() bool {
-	return true
-}
-
-func checkRequiredNotSet(m protoV2.Message) error {
-	if err := protoV2.CheckInitialized(m); err != nil {
-		return &RequiredNotSetError{err: err}
-	}
-	return nil
-}
-
-// Clone returns a deep copy of src.
-func Clone(src Message) Message {
-	return MessageV1(protoV2.Clone(MessageV2(src)))
-}
-
-// Merge merges src into dst, which must be messages of the same type.
-//
-// Populated scalar fields in src are copied to dst, while populated
-// singular messages in src are merged into dst by recursively calling Merge.
-// The elements of every list field in src is appended to the corresponded
-// list fields in dst. The entries of every map field in src is copied into
-// the corresponding map field in dst, possibly replacing existing entries.
-// The unknown fields of src are appended to the unknown fields of dst.
-func Merge(dst, src Message) {
-	protoV2.Merge(MessageV2(dst), MessageV2(src))
-}
-
-// Equal reports whether two messages are equal.
-// If two messages marshal to the same bytes under deterministic serialization,
-// then Equal is guaranteed to report true.
-//
-// Two messages are equal if they are the same protobuf message type,
-// have the same set of populated known and extension field values,
-// and the same set of unknown fields values.
-//
-// Scalar values are compared with the equivalent of the == operator in Go,
-// except bytes values which are compared using bytes.Equal and
-// floating point values which specially treat NaNs as equal.
-// Message values are compared by recursively calling Equal.
-// Lists are equal if each element value is also equal.
-// Maps are equal if they have the same set of keys, where the pair of values
-// for each key is also equal.
-func Equal(x, y Message) bool {
-	return protoV2.Equal(MessageV2(x), MessageV2(y))
-}
-
-func isMessageSet(md protoreflect.MessageDescriptor) bool {
-	ms, ok := md.(interface{ IsMessageSet() bool })
-	return ok && ms.IsMessageSet()
-}
--- a/vendor/github.com/golang/protobuf/proto/registry.go
+++ b/vendor/github.com/golang/protobuf/proto/registry.go
@@ -1,323 +0,0 @@
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package proto
-
-import (
-	"bytes"
-	"compress/gzip"
-	"fmt"
-	"io/ioutil"
-	"reflect"
-	"strings"
-	"sync"
-
-	"google.golang.org/protobuf/reflect/protoreflect"
-	"google.golang.org/protobuf/reflect/protoregistry"
-	"google.golang.org/protobuf/runtime/protoimpl"
-)
-
-// filePath is the path to the proto source file.
-type filePath = string // e.g., "google/protobuf/descriptor.proto"
-
-// fileDescGZIP is the compressed contents of the encoded FileDescriptorProto.
-type fileDescGZIP = []byte
-
-var fileCache sync.Map // map[filePath]fileDescGZIP
-
-// RegisterFile is called from generated code to register the compressed
-// FileDescriptorProto with the file path for a proto source file.
-//
-// Deprecated: Use protoregistry.GlobalFiles.RegisterFile instead.
-func RegisterFile(s filePath, d fileDescGZIP) {
-	// Decompress the descriptor.
-	zr, err := gzip.NewReader(bytes.NewReader(d))
-	if err != nil {
-		panic(fmt.Sprintf("proto: invalid compressed file descriptor: %v", err))
-	}
-	b, err := ioutil.ReadAll(zr)
-	if err != nil {
-		panic(fmt.Sprintf("proto: invalid compressed file descriptor: %v", err))
-	}
-
-	// Construct a protoreflect.FileDescriptor from the raw descriptor.
-	// Note that DescBuilder.Build automatically registers the constructed
-	// file descriptor with the v2 registry.
-	protoimpl.DescBuilder{RawDescriptor: b}.Build()
-
-	// Locally cache the raw descriptor form for the file.
-	fileCache.Store(s, d)
-}
-
-// FileDescriptor returns the compressed FileDescriptorProto given the file path
-// for a proto source file. It returns nil if not found.
-//
-// Deprecated: Use protoregistry.GlobalFiles.FindFileByPath instead.
-func FileDescriptor(s filePath) fileDescGZIP {
-	if v, ok := fileCache.Load(s); ok {
-		return v.(fileDescGZIP)
-	}
-
-	// Find the descriptor in the v2 registry.
-	var b []byte
-	if fd, _ := protoregistry.GlobalFiles.FindFileByPath(s); fd != nil {
-		if fd, ok := fd.(interface{ ProtoLegacyRawDesc() []byte }); ok {
-			b = fd.ProtoLegacyRawDesc()
-		} else {
-			// TODO: Use protodesc.ToFileDescriptorProto to construct
-			// a descriptorpb.FileDescriptorProto and marshal it.
-			// However, doing so causes the proto package to have a dependency
-			// on descriptorpb, leading to cyclic dependency issues.
-		}
-	}
-
-	// Locally cache the raw descriptor form for the file.
-	if len(b) > 0 {
-		v, _ := fileCache.LoadOrStore(s, protoimpl.X.CompressGZIP(b))
-		return v.(fileDescGZIP)
-	}
-	return nil
-}
-
-// enumName is the name of an enum. For historical reasons, the enum name is
-// neither the full Go name nor the full protobuf name of the enum.
-// The name is the dot-separated combination of just the proto package that the
-// enum is declared within followed by the Go type name of the generated enum.
-type enumName = string // e.g., "my.proto.package.GoMessage_GoEnum"
-
-// enumsByName maps enum values by name to their numeric counterpart.
-type enumsByName = map[string]int32
-
-// enumsByNumber maps enum values by number to their name counterpart.
-type enumsByNumber = map[int32]string
-
-var enumCache sync.Map     // map[enumName]enumsByName
-var numFilesCache sync.Map // map[protoreflect.FullName]int
-
-// RegisterEnum is called from the generated code to register the mapping of
-// enum value names to enum numbers for the enum identified by s.
-//
-// Deprecated: Use protoregistry.GlobalTypes.RegisterEnum instead.
-func RegisterEnum(s enumName, _ enumsByNumber, m enumsByName) {
-	if _, ok := enumCache.Load(s); ok {
-		panic("proto: duplicate enum registered: " + s)
-	}
-	enumCache.Store(s, m)
-
-	// This does not forward registration to the v2 registry since this API
-	// lacks sufficient information to construct a complete v2 enum descriptor.
-}
-
-// EnumValueMap returns the mapping from enum value names to enum numbers for
-// the enum of the given name. It returns nil if not found.
-//
-// Deprecated: Use protoregistry.GlobalTypes.FindEnumByName instead.
-func EnumValueMap(s enumName) enumsByName {
-	if v, ok := enumCache.Load(s); ok {
-		return v.(enumsByName)
-	}
-
-	// Check whether the cache is stale. If the number of files in the current
-	// package differs, then it means that some enums may have been recently
-	// registered upstream that we do not know about.
-	var protoPkg protoreflect.FullName
-	if i := strings.LastIndexByte(s, '.'); i >= 0 {
-		protoPkg = protoreflect.FullName(s[:i])
-	}
-	v, _ := numFilesCache.Load(protoPkg)
-	numFiles, _ := v.(int)
-	if protoregistry.GlobalFiles.NumFilesByPackage(protoPkg) == numFiles {
-		return nil // cache is up-to-date; was not found earlier
-	}
-
-	// Update the enum cache for all enums declared in the given proto package.
-	numFiles = 0
-	protoregistry.GlobalFiles.RangeFilesByPackage(protoPkg, func(fd protoreflect.FileDescriptor) bool {
-		walkEnums(fd, func(ed protoreflect.EnumDescriptor) {
-			name := protoimpl.X.LegacyEnumName(ed)
-			if _, ok := enumCache.Load(name); !ok {
-				m := make(enumsByName)
-				evs := ed.Values()
-				for i := evs.Len() - 1; i >= 0; i-- {
-					ev := evs.Get(i)
-					m[string(ev.Name())] = int32(ev.Number())
-				}
-				enumCache.LoadOrStore(name, m)
-			}
-		})
-		numFiles++
-		return true
-	})
-	numFilesCache.Store(protoPkg, numFiles)
-
-	// Check cache again for enum map.
-	if v, ok := enumCache.Load(s); ok {
-		return v.(enumsByName)
-	}
-	return nil
-}
-
-// walkEnums recursively walks all enums declared in d.
-func walkEnums(d interface {
-	Enums() protoreflect.EnumDescriptors
-	Messages() protoreflect.MessageDescriptors
-}, f func(protoreflect.EnumDescriptor)) {
-	eds := d.Enums()
-	for i := eds.Len() - 1; i >= 0; i-- {
-		f(eds.Get(i))
-	}
-	mds := d.Messages()
-	for i := mds.Len() - 1; i >= 0; i-- {
-		walkEnums(mds.Get(i), f)
-	}
-}
-
-// messageName is the full name of protobuf message.
-type messageName = string
-
-var messageTypeCache sync.Map // map[messageName]reflect.Type
-
-// RegisterType is called from generated code to register the message Go type
-// for a message of the given name.
-//
-// Deprecated: Use protoregistry.GlobalTypes.RegisterMessage instead.
-func RegisterType(m Message, s messageName) {
-	mt := protoimpl.X.LegacyMessageTypeOf(m, protoreflect.FullName(s))
-	if err := protoregistry.GlobalTypes.RegisterMessage(mt); err != nil {
-		panic(err)
-	}
-	messageTypeCache.Store(s, reflect.TypeOf(m))
-}
-
-// RegisterMapType is called from generated code to register the Go map type
-// for a protobuf message representing a map entry.
-//
-// Deprecated: Do not use.
-func RegisterMapType(m interface{}, s messageName) {
-	t := reflect.TypeOf(m)
-	if t.Kind() != reflect.Map {
-		panic(fmt.Sprintf("invalid map kind: %v", t))
-	}
-	if _, ok := messageTypeCache.Load(s); ok {
-		panic(fmt.Errorf("proto: duplicate proto message registered: %s", s))
-	}
-	messageTypeCache.Store(s, t)
-}
-
-// MessageType returns the message type for a named message.
-// It returns nil if not found.
-//
-// Deprecated: Use protoregistry.GlobalTypes.FindMessageByName instead.
-func MessageType(s messageName) reflect.Type {
-	if v, ok := messageTypeCache.Load(s); ok {
-		return v.(reflect.Type)
-	}
-
-	// Derive the message type from the v2 registry.
-	var t reflect.Type
-	if mt, _ := protoregistry.GlobalTypes.FindMessageByName(protoreflect.FullName(s)); mt != nil {
-		t = messageGoType(mt)
-	}
-
-	// If we could not get a concrete type, it is possible that it is a
-	// pseudo-message for a map entry.
-	if t == nil {
-		d, _ := protoregistry.GlobalFiles.FindDescriptorByName(protoreflect.FullName(s))
-		if md, _ := d.(protoreflect.MessageDescriptor); md != nil && md.IsMapEntry() {
-			kt := goTypeForField(md.Fields().ByNumber(1))
-			vt := goTypeForField(md.Fields().ByNumber(2))
-			t = reflect.MapOf(kt, vt)
-		}
-	}
-
-	// Locally cache the message type for the given name.
-	if t != nil {
-		v, _ := messageTypeCache.LoadOrStore(s, t)
-		return v.(reflect.Type)
-	}
-	return nil
-}
-
-func goTypeForField(fd protoreflect.FieldDescriptor) reflect.Type {
-	switch k := fd.Kind(); k {
-	case protoreflect.EnumKind:
-		if et, _ := protoregistry.GlobalTypes.FindEnumByName(fd.Enum().FullName()); et != nil {
-			return enumGoType(et)
-		}
-		return reflect.TypeOf(protoreflect.EnumNumber(0))
-	case protoreflect.MessageKind, protoreflect.GroupKind:
-		if mt, _ := protoregistry.GlobalTypes.FindMessageByName(fd.Message().FullName()); mt != nil {
-			return messageGoType(mt)
-		}
-		return reflect.TypeOf((*protoreflect.Message)(nil)).Elem()
-	default:
-		return reflect.TypeOf(fd.Default().Interface())
-	}
-}
-
-func enumGoType(et protoreflect.EnumType) reflect.Type {
-	return reflect.TypeOf(et.New(0))
-}
-
-func messageGoType(mt protoreflect.MessageType) reflect.Type {
-	return reflect.TypeOf(MessageV1(mt.Zero().Interface()))
-}
-
-// MessageName returns the full protobuf name for the given message type.
-//
-// Deprecated: Use protoreflect.MessageDescriptor.FullName instead.
-func MessageName(m Message) messageName {
-	if m == nil {
-		return ""
-	}
-	if m, ok := m.(interface{ XXX_MessageName() messageName }); ok {
-		return m.XXX_MessageName()
-	}
-	return messageName(protoimpl.X.MessageDescriptorOf(m).FullName())
-}
-
-// RegisterExtension is called from the generated code to register
-// the extension descriptor.
-//
-// Deprecated: Use protoregistry.GlobalTypes.RegisterExtension instead.
-func RegisterExtension(d *ExtensionDesc) {
-	if err := protoregistry.GlobalTypes.RegisterExtension(d); err != nil {
-		panic(err)
-	}
-}
-
-type extensionsByNumber = map[int32]*ExtensionDesc
-
-var extensionCache sync.Map // map[messageName]extensionsByNumber
-
-// RegisteredExtensions returns a map of the registered extensions for the
-// provided protobuf message, indexed by the extension field number.
-//
-// Deprecated: Use protoregistry.GlobalTypes.RangeExtensionsByMessage instead.
-func RegisteredExtensions(m Message) extensionsByNumber {
-	// Check whether the cache is stale. If the number of extensions for
-	// the given message differs, then it means that some extensions were
-	// recently registered upstream that we do not know about.
-	s := MessageName(m)
-	v, _ := extensionCache.Load(s)
-	xs, _ := v.(extensionsByNumber)
-	if protoregistry.GlobalTypes.NumExtensionsByMessage(protoreflect.FullName(s)) == len(xs) {
-		return xs // cache is up-to-date
-	}
-
-	// Cache is stale, re-compute the extensions map.
-	xs = make(extensionsByNumber)
-	protoregistry.GlobalTypes.RangeExtensionsByMessage(protoreflect.FullName(s), func(xt protoreflect.ExtensionType) bool {
-		if xd, ok := xt.(*ExtensionDesc); ok {
-			xs[int32(xt.TypeDescriptor().Number())] = xd
-		} else {
-			// TODO: This implies that the protoreflect.ExtensionType is a
-			// custom type not generated by protoc-gen-go. We could try and
-			// convert the type to an ExtensionDesc.
-		}
-		return true
-	})
-	extensionCache.Store(s, xs)
-	return xs
-}
--- a/vendor/github.com/golang/protobuf/proto/table_marshal.go
+++ b/vendor/github.com/golang/protobuf/proto/table_marshal.go
--- a/vendor/github.com/golang/protobuf/proto/table_merge.go
+++ b/vendor/github.com/golang/protobuf/proto/table_merge.go
@@ -0,0 +1,654 @@
+// Go support for Protocol Buffers - Google's data interchange format
+//
+// Copyright 2016 The Go Authors.  All rights reserved.
+// https://github.com/golang/protobuf
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+package proto
+
+import (
+	"fmt"
+	"reflect"
+	"strings"
+	"sync"
+	"sync/atomic"
+)
+
+// Merge merges the src message into dst.
+// This assumes that dst and src of the same type and are non-nil.
+func (a *InternalMessageInfo) Merge(dst, src Message) {
+	mi := atomicLoadMergeInfo(&a.merge)
+	if mi == nil {
+		mi = getMergeInfo(reflect.TypeOf(dst).Elem())
+		atomicStoreMergeInfo(&a.merge, mi)
+	}
+	mi.merge(toPointer(&dst), toPointer(&src))
+}
+
+type mergeInfo struct {
+	typ reflect.Type
+
+	initialized int32 // 0: only typ is valid, 1: everything is valid
+	lock        sync.Mutex
+
+	fields       []mergeFieldInfo
+	unrecognized field // Offset of XXX_unrecognized
+}
+
+type mergeFieldInfo struct {
+	field field // Offset of field, guaranteed to be valid
+
+	// isPointer reports whether the value in the field is a pointer.
+	// This is true for the following situations:
+	//	* Pointer to struct
+	//	* Pointer to basic type (proto2 only)
+	//	* Slice (first value in slice header is a pointer)
+	//	* String (first value in string header is a pointer)
+	isPointer bool
+
+	// basicWidth reports the width of the field assuming that it is directly
+	// embedded in the struct (as is the case for basic types in proto3).
+	// The possible values are:
+	// 	0: invalid
+	//	1: bool
+	//	4: int32, uint32, float32
+	//	8: int64, uint64, float64
+	basicWidth int
+
+	// Where dst and src are pointers to the types being merged.
+	merge func(dst, src pointer)
+}
+
+var (
+	mergeInfoMap  = map[reflect.Type]*mergeInfo{}
+	mergeInfoLock sync.Mutex
+)
+
+func getMergeInfo(t reflect.Type) *mergeInfo {
+	mergeInfoLock.Lock()
+	defer mergeInfoLock.Unlock()
+	mi := mergeInfoMap[t]
+	if mi == nil {
+		mi = &mergeInfo{typ: t}
+		mergeInfoMap[t] = mi
+	}
+	return mi
+}
+
+// merge merges src into dst assuming they are both of type *mi.typ.
+func (mi *mergeInfo) merge(dst, src pointer) {
+	if dst.isNil() {
+		panic("proto: nil destination")
+	}
+	if src.isNil() {
+		return // Nothing to do.
+	}
+
+	if atomic.LoadInt32(&mi.initialized) == 0 {
+		mi.computeMergeInfo()
+	}
+
+	for _, fi := range mi.fields {
+		sfp := src.offset(fi.field)
+
+		// As an optimization, we can avoid the merge function call cost
+		// if we know for sure that the source will have no effect
+		// by checking if it is the zero value.
+		if unsafeAllowed {
+			if fi.isPointer && sfp.getPointer().isNil() { // Could be slice or string
+				continue
+			}
+			if fi.basicWidth > 0 {
+				switch {
+				case fi.basicWidth == 1 && !*sfp.toBool():
+					continue
+				case fi.basicWidth == 4 && *sfp.toUint32() == 0:
+					continue
+				case fi.basicWidth == 8 && *sfp.toUint64() == 0:
+					continue
+				}
+			}
+		}
+
+		dfp := dst.offset(fi.field)
+		fi.merge(dfp, sfp)
+	}
+
+	// TODO: Make this faster?
+	out := dst.asPointerTo(mi.typ).Elem()
+	in := src.asPointerTo(mi.typ).Elem()
+	if emIn, err := extendable(in.Addr().Interface()); err == nil {
+		emOut, _ := extendable(out.Addr().Interface())
+		mIn, muIn := emIn.extensionsRead()
+		if mIn != nil {
+			mOut := emOut.extensionsWrite()
+			muIn.Lock()
+			mergeExtension(mOut, mIn)
+			muIn.Unlock()
+		}
+	}
+
+	if mi.unrecognized.IsValid() {
+		if b := *src.offset(mi.unrecognized).toBytes(); len(b) > 0 {
+			*dst.offset(mi.unrecognized).toBytes() = append([]byte(nil), b...)
+		}
+	}
+}
+
+func (mi *mergeInfo) computeMergeInfo() {
+	mi.lock.Lock()
+	defer mi.lock.Unlock()
+	if mi.initialized != 0 {
+		return
+	}
+	t := mi.typ
+	n := t.NumField()
+
+	props := GetProperties(t)
+	for i := 0; i < n; i++ {
+		f := t.Field(i)
+		if strings.HasPrefix(f.Name, "XXX_") {
+			continue
+		}
+
+		mfi := mergeFieldInfo{field: toField(&f)}
+		tf := f.Type
+
+		// As an optimization, we can avoid the merge function call cost
+		// if we know for sure that the source will have no effect
+		// by checking if it is the zero value.
+		if unsafeAllowed {
+			switch tf.Kind() {
+			case reflect.Ptr, reflect.Slice, reflect.String:
+				// As a special case, we assume slices and strings are pointers
+				// since we know that the first field in the SliceSlice or
+				// StringHeader is a data pointer.
+				mfi.isPointer = true
+			case reflect.Bool:
+				mfi.basicWidth = 1
+			case reflect.Int32, reflect.Uint32, reflect.Float32:
+				mfi.basicWidth = 4
+			case reflect.Int64, reflect.Uint64, reflect.Float64:
+				mfi.basicWidth = 8
+			}
+		}
+
+		// Unwrap tf to get at its most basic type.
+		var isPointer, isSlice bool
+		if tf.Kind() == reflect.Slice && tf.Elem().Kind() != reflect.Uint8 {
+			isSlice = true
+			tf = tf.Elem()
+		}
+		if tf.Kind() == reflect.Ptr {
+			isPointer = true
+			tf = tf.Elem()
+		}
+		if isPointer && isSlice && tf.Kind() != reflect.Struct {
+			panic("both pointer and slice for basic type in " + tf.Name())
+		}
+
+		switch tf.Kind() {
+		case reflect.Int32:
+			switch {
+			case isSlice: // E.g., []int32
+				mfi.merge = func(dst, src pointer) {
+					// NOTE: toInt32Slice is not defined (see pointer_reflect.go).
+					/*
+						sfsp := src.toInt32Slice()
+						if *sfsp != nil {
+							dfsp := dst.toInt32Slice()
+							*dfsp = append(*dfsp, *sfsp...)
+							if *dfsp == nil {
+								*dfsp = []int64{}
+							}
+						}
+					*/
+					sfs := src.getInt32Slice()
+					if sfs != nil {
+						dfs := dst.getInt32Slice()
+						dfs = append(dfs, sfs...)
+						if dfs == nil {
+							dfs = []int32{}
+						}
+						dst.setInt32Slice(dfs)
+					}
+				}
+			case isPointer: // E.g., *int32
+				mfi.merge = func(dst, src pointer) {
+					// NOTE: toInt32Ptr is not defined (see pointer_reflect.go).
+					/*
+						sfpp := src.toInt32Ptr()
+						if *sfpp != nil {
+							dfpp := dst.toInt32Ptr()
+							if *dfpp == nil {
+								*dfpp = Int32(**sfpp)
+							} else {
+								**dfpp = **sfpp
+							}
+						}
+					*/
+					sfp := src.getInt32Ptr()
+					if sfp != nil {
+						dfp := dst.getInt32Ptr()
+						if dfp == nil {
+							dst.setInt32Ptr(*sfp)
+						} else {
+							*dfp = *sfp
+						}
+					}
+				}
+			default: // E.g., int32
+				mfi.merge = func(dst, src pointer) {
+					if v := *src.toInt32(); v != 0 {
+						*dst.toInt32() = v
+					}
+				}
+			}
+		case reflect.Int64:
+			switch {
+			case isSlice: // E.g., []int64
+				mfi.merge = func(dst, src pointer) {
+					sfsp := src.toInt64Slice()
+					if *sfsp != nil {
+						dfsp := dst.toInt64Slice()
+						*dfsp = append(*dfsp, *sfsp...)
+						if *dfsp == nil {
+							*dfsp = []int64{}
+						}
+					}
+				}
+			case isPointer: // E.g., *int64
+				mfi.merge = func(dst, src pointer) {
+					sfpp := src.toInt64Ptr()
+					if *sfpp != nil {
+						dfpp := dst.toInt64Ptr()
+						if *dfpp == nil {
+							*dfpp = Int64(**sfpp)
+						} else {
+							**dfpp = **sfpp
+						}
+					}
+				}
+			default: // E.g., int64
+				mfi.merge = func(dst, src pointer) {
+					if v := *src.toInt64(); v != 0 {
+						*dst.toInt64() = v
+					}
+				}
+			}
+		case reflect.Uint32:
+			switch {
+			case isSlice: // E.g., []uint32
+				mfi.merge = func(dst, src pointer) {
+					sfsp := src.toUint32Slice()
+					if *sfsp != nil {
+						dfsp := dst.toUint32Slice()
+						*dfsp = append(*dfsp, *sfsp...)
+						if *dfsp == nil {
+							*dfsp = []uint32{}
+						}
+					}
+				}
+			case isPointer: // E.g., *uint32
+				mfi.merge = func(dst, src pointer) {
+					sfpp := src.toUint32Ptr()
+					if *sfpp != nil {
+						dfpp := dst.toUint32Ptr()
+						if *dfpp == nil {
+							*dfpp = Uint32(**sfpp)
+						} else {
+							**dfpp = **sfpp
+						}
+					}
+				}
+			default: // E.g., uint32
+				mfi.merge = func(dst, src pointer) {
+					if v := *src.toUint32(); v != 0 {
+						*dst.toUint32() = v
+					}
+				}
+			}
+		case reflect.Uint64:
+			switch {
+			case isSlice: // E.g., []uint64
+				mfi.merge = func(dst, src pointer) {
+					sfsp := src.toUint64Slice()
+					if *sfsp != nil {
+						dfsp := dst.toUint64Slice()
+						*dfsp = append(*dfsp, *sfsp...)
+						if *dfsp == nil {
+							*dfsp = []uint64{}
+						}
+					}
+				}
+			case isPointer: // E.g., *uint64
+				mfi.merge = func(dst, src pointer) {
+					sfpp := src.toUint64Ptr()
+					if *sfpp != nil {
+						dfpp := dst.toUint64Ptr()
+						if *dfpp == nil {
+							*dfpp = Uint64(**sfpp)
+						} else {
+							**dfpp = **sfpp
+						}
+					}
+				}
+			default: // E.g., uint64
+				mfi.merge = func(dst, src pointer) {
+					if v := *src.toUint64(); v != 0 {
+						*dst.toUint64() = v
+					}
+				}
+			}
+		case reflect.Float32:
+			switch {
+			case isSlice: // E.g., []float32
+				mfi.merge = func(dst, src pointer) {
+					sfsp := src.toFloat32Slice()
+					if *sfsp != nil {
+						dfsp := dst.toFloat32Slice()
+						*dfsp = append(*dfsp, *sfsp...)
+						if *dfsp == nil {
+							*dfsp = []float32{}
+						}
+					}
+				}
+			case isPointer: // E.g., *float32
+				mfi.merge = func(dst, src pointer) {
+					sfpp := src.toFloat32Ptr()
+					if *sfpp != nil {
+						dfpp := dst.toFloat32Ptr()
+						if *dfpp == nil {
+							*dfpp = Float32(**sfpp)
+						} else {
+							**dfpp = **sfpp
+						}
+					}
+				}
+			default: // E.g., float32
+				mfi.merge = func(dst, src pointer) {
+					if v := *src.toFloat32(); v != 0 {
+						*dst.toFloat32() = v
+					}
+				}
+			}
+		case reflect.Float64:
+			switch {
+			case isSlice: // E.g., []float64
+				mfi.merge = func(dst, src pointer) {
+					sfsp := src.toFloat64Slice()
+					if *sfsp != nil {
+						dfsp := dst.toFloat64Slice()
+						*dfsp = append(*dfsp, *sfsp...)
+						if *dfsp == nil {
+							*dfsp = []float64{}
+						}
+					}
+				}
+			case isPointer: // E.g., *float64
+				mfi.merge = func(dst, src pointer) {
+					sfpp := src.toFloat64Ptr()
+					if *sfpp != nil {
+						dfpp := dst.toFloat64Ptr()
+						if *dfpp == nil {
+							*dfpp = Float64(**sfpp)
+						} else {
+							**dfpp = **sfpp
+						}
+					}
+				}
+			default: // E.g., float64
+				mfi.merge = func(dst, src pointer) {
+					if v := *src.toFloat64(); v != 0 {
+						*dst.toFloat64() = v
+					}
+				}
+			}
+		case reflect.Bool:
+			switch {
+			case isSlice: // E.g., []bool
+				mfi.merge = func(dst, src pointer) {
+					sfsp := src.toBoolSlice()
+					if *sfsp != nil {
+						dfsp := dst.toBoolSlice()
+						*dfsp = append(*dfsp, *sfsp...)
+						if *dfsp == nil {
+							*dfsp = []bool{}
+						}
+					}
+				}
+			case isPointer: // E.g., *bool
+				mfi.merge = func(dst, src pointer) {
+					sfpp := src.toBoolPtr()
+					if *sfpp != nil {
+						dfpp := dst.toBoolPtr()
+						if *dfpp == nil {
+							*dfpp = Bool(**sfpp)
+						} else {
+							**dfpp = **sfpp
+						}
+					}
+				}
+			default: // E.g., bool
+				mfi.merge = func(dst, src pointer) {
+					if v := *src.toBool(); v {
+						*dst.toBool() = v
+					}
+				}
+			}
+		case reflect.String:
+			switch {
+			case isSlice: // E.g., []string
+				mfi.merge = func(dst, src pointer) {
+					sfsp := src.toStringSlice()
+					if *sfsp != nil {
+						dfsp := dst.toStringSlice()
+						*dfsp = append(*dfsp, *sfsp...)
+						if *dfsp == nil {
+							*dfsp = []string{}
+						}
+					}
+				}
+			case isPointer: // E.g., *string
+				mfi.merge = func(dst, src pointer) {
+					sfpp := src.toStringPtr()
+					if *sfpp != nil {
+						dfpp := dst.toStringPtr()
+						if *dfpp == nil {
+							*dfpp = String(**sfpp)
+						} else {
+							**dfpp = **sfpp
+						}
+					}
+				}
+			default: // E.g., string
+				mfi.merge = func(dst, src pointer) {
+					if v := *src.toString(); v != "" {
+						*dst.toString() = v
+					}
+				}
+			}
+		case reflect.Slice:
+			isProto3 := props.Prop[i].proto3
+			switch {
+			case isPointer:
+				panic("bad pointer in byte slice case in " + tf.Name())
+			case tf.Elem().Kind() != reflect.Uint8:
+				panic("bad element kind in byte slice case in " + tf.Name())
+			case isSlice: // E.g., [][]byte
+				mfi.merge = func(dst, src pointer) {
+					sbsp := src.toBytesSlice()
+					if *sbsp != nil {
+						dbsp := dst.toBytesSlice()
+						for _, sb := range *sbsp {
+							if sb == nil {
+								*dbsp = append(*dbsp, nil)
+							} else {
+								*dbsp = append(*dbsp, append([]byte{}, sb...))
+							}
+						}
+						if *dbsp == nil {
+							*dbsp = [][]byte{}
+						}
+					}
+				}
+			default: // E.g., []byte
+				mfi.merge = func(dst, src pointer) {
+					sbp := src.toBytes()
+					if *sbp != nil {
+						dbp := dst.toBytes()
+						if !isProto3 || len(*sbp) > 0 {
+							*dbp = append([]byte{}, *sbp...)
+						}
+					}
+				}
+			}
+		case reflect.Struct:
+			switch {
+			case !isPointer:
+				panic(fmt.Sprintf("message field %s without pointer", tf))
+			case isSlice: // E.g., []*pb.T
+				mi := getMergeInfo(tf)
+				mfi.merge = func(dst, src pointer) {
+					sps := src.getPointerSlice()
+					if sps != nil {
+						dps := dst.getPointerSlice()
+						for _, sp := range sps {
+							var dp pointer
+							if !sp.isNil() {
+								dp = valToPointer(reflect.New(tf))
+								mi.merge(dp, sp)
+							}
+							dps = append(dps, dp)
+						}
+						if dps == nil {
+							dps = []pointer{}
+						}
+						dst.setPointerSlice(dps)
+					}
+				}
+			default: // E.g., *pb.T
+				mi := getMergeInfo(tf)
+				mfi.merge = func(dst, src pointer) {
+					sp := src.getPointer()
+					if !sp.isNil() {
+						dp := dst.getPointer()
+						if dp.isNil() {
+							dp = valToPointer(reflect.New(tf))
+							dst.setPointer(dp)
+						}
+						mi.merge(dp, sp)
+					}
+				}
+			}
+		case reflect.Map:
+			switch {
+			case isPointer || isSlice:
+				panic("bad pointer or slice in map case in " + tf.Name())
+			default: // E.g., map[K]V
+				mfi.merge = func(dst, src pointer) {
+					sm := src.asPointerTo(tf).Elem()
+					if sm.Len() == 0 {
+						return
+					}
+					dm := dst.asPointerTo(tf).Elem()
+					if dm.IsNil() {
+						dm.Set(reflect.MakeMap(tf))
+					}
+
+					switch tf.Elem().Kind() {
+					case reflect.Ptr: // Proto struct (e.g., *T)
+						for _, key := range sm.MapKeys() {
+							val := sm.MapIndex(key)
+							val = reflect.ValueOf(Clone(val.Interface().(Message)))
+							dm.SetMapIndex(key, val)
+						}
+					case reflect.Slice: // E.g. Bytes type (e.g., []byte)
+						for _, key := range sm.MapKeys() {
+							val := sm.MapIndex(key)
+							val = reflect.ValueOf(append([]byte{}, val.Bytes()...))
+							dm.SetMapIndex(key, val)
+						}
+					default: // Basic type (e.g., string)
+						for _, key := range sm.MapKeys() {
+							val := sm.MapIndex(key)
+							dm.SetMapIndex(key, val)
+						}
+					}
+				}
+			}
+		case reflect.Interface:
+			// Must be oneof field.
+			switch {
+			case isPointer || isSlice:
+				panic("bad pointer or slice in interface case in " + tf.Name())
+			default: // E.g., interface{}
+				// TODO: Make this faster?
+				mfi.merge = func(dst, src pointer) {
+					su := src.asPointerTo(tf).Elem()
+					if !su.IsNil() {
+						du := dst.asPointerTo(tf).Elem()
+						typ := su.Elem().Type()
+						if du.IsNil() || du.Elem().Type() != typ {
+							du.Set(reflect.New(typ.Elem())) // Initialize interface if empty
+						}
+						sv := su.Elem().Elem().Field(0)
+						if sv.Kind() == reflect.Ptr && sv.IsNil() {
+							return
+						}
+						dv := du.Elem().Elem().Field(0)
+						if dv.Kind() == reflect.Ptr && dv.IsNil() {
+							dv.Set(reflect.New(sv.Type().Elem())) // Initialize proto message if empty
+						}
+						switch sv.Type().Kind() {
+						case reflect.Ptr: // Proto struct (e.g., *T)
+							Merge(dv.Interface().(Message), sv.Interface().(Message))
+						case reflect.Slice: // E.g. Bytes type (e.g., []byte)
+							dv.Set(reflect.ValueOf(append([]byte{}, sv.Bytes()...)))
+						default: // Basic type (e.g., string)
+							dv.Set(sv)
+						}
+					}
+				}
+			}
+		default:
+			panic(fmt.Sprintf("merger not found for type:%s", tf))
+		}
+		mi.fields = append(mi.fields, mfi)
+	}
+
+	mi.unrecognized = invalidField
+	if f, ok := t.FieldByName("XXX_unrecognized"); ok {
+		if f.Type != reflect.TypeOf([]byte{}) {
+			panic("expected XXX_unrecognized to be of type []byte")
+		}
+		mi.unrecognized = toField(&f)
+	}
+
+	atomic.StoreInt32(&mi.initialized, 1)
+}
--- a/vendor/github.com/golang/protobuf/proto/table_unmarshal.go
+++ b/vendor/github.com/golang/protobuf/proto/table_unmarshal.go
--- a/vendor/github.com/golang/protobuf/proto/text.go
+++ b/vendor/github.com/golang/protobuf/proto/text.go
@@ -0,0 +1,843 @@
+// Go support for Protocol Buffers - Google's data interchange format
+//
+// Copyright 2010 The Go Authors.  All rights reserved.
+// https://github.com/golang/protobuf
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+package proto
+
+// Functions for writing the text protocol buffer format.
+
+import (
+	"bufio"
+	"bytes"
+	"encoding"
+	"errors"
+	"fmt"
+	"io"
+	"log"
+	"math"
+	"reflect"
+	"sort"
+	"strings"
+)
+
+var (
+	newline         = []byte("\n")
+	spaces          = []byte("                                        ")
+	endBraceNewline = []byte("}\n")
+	backslashN      = []byte{'\\', 'n'}
+	backslashR      = []byte{'\\', 'r'}
+	backslashT      = []byte{'\\', 't'}
+	backslashDQ     = []byte{'\\', '"'}
+	backslashBS     = []byte{'\\', '\\'}
+	posInf          = []byte("inf")
+	negInf          = []byte("-inf")
+	nan             = []byte("nan")
+)
+
+type writer interface {
+	io.Writer
+	WriteByte(byte) error
+}
+
+// textWriter is an io.Writer that tracks its indentation level.
+type textWriter struct {
+	ind      int
+	complete bool // if the current position is a complete line
+	compact  bool // whether to write out as a one-liner
+	w        writer
+}
+
+func (w *textWriter) WriteString(s string) (n int, err error) {
+	if !strings.Contains(s, "\n") {
+		if !w.compact && w.complete {
+			w.writeIndent()
+		}
+		w.complete = false
+		return io.WriteString(w.w, s)
+	}
+	// WriteString is typically called without newlines, so this
+	// codepath and its copy are rare.  We copy to avoid
+	// duplicating all of Write's logic here.
+	return w.Write([]byte(s))
+}
+
+func (w *textWriter) Write(p []byte) (n int, err error) {
+	newlines := bytes.Count(p, newline)
+	if newlines == 0 {
+		if !w.compact && w.complete {
+			w.writeIndent()
+		}
+		n, err = w.w.Write(p)
+		w.complete = false
+		return n, err
+	}
+
+	frags := bytes.SplitN(p, newline, newlines+1)
+	if w.compact {
+		for i, frag := range frags {
+			if i > 0 {
+				if err := w.w.WriteByte(' '); err != nil {
+					return n, err
+				}
+				n++
+			}
+			nn, err := w.w.Write(frag)
+			n += nn
+			if err != nil {
+				return n, err
+			}
+		}
+		return n, nil
+	}
+
+	for i, frag := range frags {
+		if w.complete {
+			w.writeIndent()
+		}
+		nn, err := w.w.Write(frag)
+		n += nn
+		if err != nil {
+			return n, err
+		}
+		if i+1 < len(frags) {
+			if err := w.w.WriteByte('\n'); err != nil {
+				return n, err
+			}
+			n++
+		}
+	}
+	w.complete = len(frags[len(frags)-1]) == 0
+	return n, nil
+}
+
+func (w *textWriter) WriteByte(c byte) error {
+	if w.compact && c == '\n' {
+		c = ' '
+	}
+	if !w.compact && w.complete {
+		w.writeIndent()
+	}
+	err := w.w.WriteByte(c)
+	w.complete = c == '\n'
+	return err
+}
+
+func (w *textWriter) indent() { w.ind++ }
+
+func (w *textWriter) unindent() {
+	if w.ind == 0 {
+		log.Print("proto: textWriter unindented too far")
+		return
+	}
+	w.ind--
+}
+
+func writeName(w *textWriter, props *Properties) error {
+	if _, err := w.WriteString(props.OrigName); err != nil {
+		return err
+	}
+	if props.Wire != "group" {
+		return w.WriteByte(':')
+	}
+	return nil
+}
+
+func requiresQuotes(u string) bool {
+	// When type URL contains any characters except [0-9A-Za-z./\-]*, it must be quoted.
+	for _, ch := range u {
+		switch {
+		case ch == '.' || ch == '/' || ch == '_':
+			continue
+		case '0' <= ch && ch <= '9':
+			continue
+		case 'A' <= ch && ch <= 'Z':
+			continue
+		case 'a' <= ch && ch <= 'z':
+			continue
+		default:
+			return true
+		}
+	}
+	return false
+}
+
+// isAny reports whether sv is a google.protobuf.Any message
+func isAny(sv reflect.Value) bool {
+	type wkt interface {
+		XXX_WellKnownType() string
+	}
+	t, ok := sv.Addr().Interface().(wkt)
+	return ok && t.XXX_WellKnownType() == "Any"
+}
+
+// writeProto3Any writes an expanded google.protobuf.Any message.
+//
+// It returns (false, nil) if sv value can't be unmarshaled (e.g. because
+// required messages are not linked in).
+//
+// It returns (true, error) when sv was written in expanded format or an error
+// was encountered.
+func (tm *TextMarshaler) writeProto3Any(w *textWriter, sv reflect.Value) (bool, error) {
+	turl := sv.FieldByName("TypeUrl")
+	val := sv.FieldByName("Value")
+	if !turl.IsValid() || !val.IsValid() {
+		return true, errors.New("proto: invalid google.protobuf.Any message")
+	}
+
+	b, ok := val.Interface().([]byte)
+	if !ok {
+		return true, errors.New("proto: invalid google.protobuf.Any message")
+	}
+
+	parts := strings.Split(turl.String(), "/")
+	mt := MessageType(parts[len(parts)-1])
+	if mt == nil {
+		return false, nil
+	}
+	m := reflect.New(mt.Elem())
+	if err := Unmarshal(b, m.Interface().(Message)); err != nil {
+		return false, nil
+	}
+	w.Write([]byte("["))
+	u := turl.String()
+	if requiresQuotes(u) {
+		writeString(w, u)
+	} else {
+		w.Write([]byte(u))
+	}
+	if w.compact {
+		w.Write([]byte("]:<"))
+	} else {
+		w.Write([]byte("]: <\n"))
+		w.ind++
+	}
+	if err := tm.writeStruct(w, m.Elem()); err != nil {
+		return true, err
+	}
+	if w.compact {
+		w.Write([]byte("> "))
+	} else {
+		w.ind--
+		w.Write([]byte(">\n"))
+	}
+	return true, nil
+}
+
+func (tm *TextMarshaler) writeStruct(w *textWriter, sv reflect.Value) error {
+	if tm.ExpandAny && isAny(sv) {
+		if canExpand, err := tm.writeProto3Any(w, sv); canExpand {
+			return err
+		}
+	}
+	st := sv.Type()
+	sprops := GetProperties(st)
+	for i := 0; i < sv.NumField(); i++ {
+		fv := sv.Field(i)
+		props := sprops.Prop[i]
+		name := st.Field(i).Name
+
+		if name == "XXX_NoUnkeyedLiteral" {
+			continue
+		}
+
+		if strings.HasPrefix(name, "XXX_") {
+			// There are two XXX_ fields:
+			//   XXX_unrecognized []byte
+			//   XXX_extensions   map[int32]proto.Extension
+			// The first is handled here;
+			// the second is handled at the bottom of this function.
+			if name == "XXX_unrecognized" && !fv.IsNil() {
+				if err := writeUnknownStruct(w, fv.Interface().([]byte)); err != nil {
+					return err
+				}
+			}
+			continue
+		}
+		if fv.Kind() == reflect.Ptr && fv.IsNil() {
+			// Field not filled in. This could be an optional field or
+			// a required field that wasn't filled in. Either way, there
+			// isn't anything we can show for it.
+			continue
+		}
+		if fv.Kind() == reflect.Slice && fv.IsNil() {
+			// Repeated field that is empty, or a bytes field that is unused.
+			continue
+		}
+
+		if props.Repeated && fv.Kind() == reflect.Slice {
+			// Repeated field.
+			for j := 0; j < fv.Len(); j++ {
+				if err := writeName(w, props); err != nil {
+					return err
+				}
+				if !w.compact {
+					if err := w.WriteByte(' '); err != nil {
+						return err
+					}
+				}
+				v := fv.Index(j)
+				if v.Kind() == reflect.Ptr && v.IsNil() {
+					// A nil message in a repeated field is not valid,
+					// but we can handle that more gracefully than panicking.
+					if _, err := w.Write([]byte("<nil>\n")); err != nil {
+						return err
+					}
+					continue
+				}
+				if err := tm.writeAny(w, v, props); err != nil {
+					return err
+				}
+				if err := w.WriteByte('\n'); err != nil {
+					return err
+				}
+			}
+			continue
+		}
+		if fv.Kind() == reflect.Map {
+			// Map fields are rendered as a repeated struct with key/value fields.
+			keys := fv.MapKeys()
+			sort.Sort(mapKeys(keys))
+			for _, key := range keys {
+				val := fv.MapIndex(key)
+				if err := writeName(w, props); err != nil {
+					return err
+				}
+				if !w.compact {
+					if err := w.WriteByte(' '); err != nil {
+						return err
+					}
+				}
+				// open struct
+				if err := w.WriteByte('<'); err != nil {
+					return err
+				}
+				if !w.compact {
+					if err := w.WriteByte('\n'); err != nil {
+						return err
+					}
+				}
+				w.indent()
+				// key
+				if _, err := w.WriteString("key:"); err != nil {
+					return err
+				}
+				if !w.compact {
+					if err := w.WriteByte(' '); err != nil {
+						return err
+					}
+				}
+				if err := tm.writeAny(w, key, props.MapKeyProp); err != nil {
+					return err
+				}
+				if err := w.WriteByte('\n'); err != nil {
+					return err
+				}
+				// nil values aren't legal, but we can avoid panicking because of them.
+				if val.Kind() != reflect.Ptr || !val.IsNil() {
+					// value
+					if _, err := w.WriteString("value:"); err != nil {
+						return err
+					}
+					if !w.compact {
+						if err := w.WriteByte(' '); err != nil {
+							return err
+						}
+					}
+					if err := tm.writeAny(w, val, props.MapValProp); err != nil {
+						return err
+					}
+					if err := w.WriteByte('\n'); err != nil {
+						return err
+					}
+				}
+				// close struct
+				w.unindent()
+				if err := w.WriteByte('>'); err != nil {
+					return err
+				}
+				if err := w.WriteByte('\n'); err != nil {
+					return err
+				}
+			}
+			continue
+		}
+		if props.proto3 && fv.Kind() == reflect.Slice && fv.Len() == 0 {
+			// empty bytes field
+			continue
+		}
+		if fv.Kind() != reflect.Ptr && fv.Kind() != reflect.Slice {
+			// proto3 non-repeated scalar field; skip if zero value
+			if isProto3Zero(fv) {
+				continue
+			}
+		}
+
+		if fv.Kind() == reflect.Interface {
+			// Check if it is a oneof.
+			if st.Field(i).Tag.Get("protobuf_oneof") != "" {
+				// fv is nil, or holds a pointer to generated struct.
+				// That generated struct has exactly one field,
+				// which has a protobuf struct tag.
+				if fv.IsNil() {
+					continue
+				}
+				inner := fv.Elem().Elem() // interface -> *T -> T
+				tag := inner.Type().Field(0).Tag.Get("protobuf")
+				props = new(Properties) // Overwrite the outer props var, but not its pointee.
+				props.Parse(tag)
+				// Write the value in the oneof, not the oneof itself.
+				fv = inner.Field(0)
+
+				// Special case to cope with malformed messages gracefully:
+				// If the value in the oneof is a nil pointer, don't panic
+				// in writeAny.
+				if fv.Kind() == reflect.Ptr && fv.IsNil() {
+					// Use errors.New so writeAny won't render quotes.
+					msg := errors.New("/* nil */")
+					fv = reflect.ValueOf(&msg).Elem()
+				}
+			}
+		}
+
+		if err := writeName(w, props); err != nil {
+			return err
+		}
+		if !w.compact {
+			if err := w.WriteByte(' '); err != nil {
+				return err
+			}
+		}
+
+		// Enums have a String method, so writeAny will work fine.
+		if err := tm.writeAny(w, fv, props); err != nil {
+			return err
+		}
+
+		if err := w.WriteByte('\n'); err != nil {
+			return err
+		}
+	}
+
+	// Extensions (the XXX_extensions field).
+	pv := sv.Addr()
+	if _, err := extendable(pv.Interface()); err == nil {
+		if err := tm.writeExtensions(w, pv); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+// writeAny writes an arbitrary field.
+func (tm *TextMarshaler) writeAny(w *textWriter, v reflect.Value, props *Properties) error {
+	v = reflect.Indirect(v)
+
+	// Floats have special cases.
+	if v.Kind() == reflect.Float32 || v.Kind() == reflect.Float64 {
+		x := v.Float()
+		var b []byte
+		switch {
+		case math.IsInf(x, 1):
+			b = posInf
+		case math.IsInf(x, -1):
+			b = negInf
+		case math.IsNaN(x):
+			b = nan
+		}
+		if b != nil {
+			_, err := w.Write(b)
+			return err
+		}
+		// Other values are handled below.
+	}
+
+	// We don't attempt to serialise every possible value type; only those
+	// that can occur in protocol buffers.
+	switch v.Kind() {
+	case reflect.Slice:
+		// Should only be a []byte; repeated fields are handled in writeStruct.
+		if err := writeString(w, string(v.Bytes())); err != nil {
+			return err
+		}
+	case reflect.String:
+		if err := writeString(w, v.String()); err != nil {
+			return err
+		}
+	case reflect.Struct:
+		// Required/optional group/message.
+		var bra, ket byte = '<', '>'
+		if props != nil && props.Wire == "group" {
+			bra, ket = '{', '}'
+		}
+		if err := w.WriteByte(bra); err != nil {
+			return err
+		}
+		if !w.compact {
+			if err := w.WriteByte('\n'); err != nil {
+				return err
+			}
+		}
+		w.indent()
+		if v.CanAddr() {
+			// Calling v.Interface on a struct causes the reflect package to
+			// copy the entire struct. This is racy with the new Marshaler
+			// since we atomically update the XXX_sizecache.
+			//
+			// Thus, we retrieve a pointer to the struct if possible to avoid
+			// a race since v.Interface on the pointer doesn't copy the struct.
+			//
+			// If v is not addressable, then we are not worried about a race
+			// since it implies that the binary Marshaler cannot possibly be
+			// mutating this value.
+			v = v.Addr()
+		}
+		if etm, ok := v.Interface().(encoding.TextMarshaler); ok {
+			text, err := etm.MarshalText()
+			if err != nil {
+				return err
+			}
+			if _, err = w.Write(text); err != nil {
+				return err
+			}
+		} else {
+			if v.Kind() == reflect.Ptr {
+				v = v.Elem()
+			}
+			if err := tm.writeStruct(w, v); err != nil {
+				return err
+			}
+		}
+		w.unindent()
+		if err := w.WriteByte(ket); err != nil {
+			return err
+		}
+	default:
+		_, err := fmt.Fprint(w, v.Interface())
+		return err
+	}
+	return nil
+}
+
+// equivalent to C's isprint.
+func isprint(c byte) bool {
+	return c >= 0x20 && c < 0x7f
+}
+
+// writeString writes a string in the protocol buffer text format.
+// It is similar to strconv.Quote except we don't use Go escape sequences,
+// we treat the string as a byte sequence, and we use octal escapes.
+// These differences are to maintain interoperability with the other
+// languages' implementations of the text format.
+func writeString(w *textWriter, s string) error {
+	// use WriteByte here to get any needed indent
+	if err := w.WriteByte('"'); err != nil {
+		return err
+	}
+	// Loop over the bytes, not the runes.
+	for i := 0; i < len(s); i++ {
+		var err error
+		// Divergence from C++: we don't escape apostrophes.
+		// There's no need to escape them, and the C++ parser
+		// copes with a naked apostrophe.
+		switch c := s[i]; c {
+		case '\n':
+			_, err = w.w.Write(backslashN)
+		case '\r':
+			_, err = w.w.Write(backslashR)
+		case '\t':
+			_, err = w.w.Write(backslashT)
+		case '"':
+			_, err = w.w.Write(backslashDQ)
+		case '\\':
+			_, err = w.w.Write(backslashBS)
+		default:
+			if isprint(c) {
+				err = w.w.WriteByte(c)
+			} else {
+				_, err = fmt.Fprintf(w.w, "\\%03o", c)
+			}
+		}
+		if err != nil {
+			return err
+		}
+	}
+	return w.WriteByte('"')
+}
+
+func writeUnknownStruct(w *textWriter, data []byte) (err error) {
+	if !w.compact {
+		if _, err := fmt.Fprintf(w, "/* %d unknown bytes */\n", len(data)); err != nil {
+			return err
+		}
+	}
+	b := NewBuffer(data)
+	for b.index < len(b.buf) {
+		x, err := b.DecodeVarint()
+		if err != nil {
+			_, err := fmt.Fprintf(w, "/* %v */\n", err)
+			return err
+		}
+		wire, tag := x&7, x>>3
+		if wire == WireEndGroup {
+			w.unindent()
+			if _, err := w.Write(endBraceNewline); err != nil {
+				return err
+			}
+			continue
+		}
+		if _, err := fmt.Fprint(w, tag); err != nil {
+			return err
+		}
+		if wire != WireStartGroup {
+			if err := w.WriteByte(':'); err != nil {
+				return err
+			}
+		}
+		if !w.compact || wire == WireStartGroup {
+			if err := w.WriteByte(' '); err != nil {
+				return err
+			}
+		}
+		switch wire {
+		case WireBytes:
+			buf, e := b.DecodeRawBytes(false)
+			if e == nil {
+				_, err = fmt.Fprintf(w, "%q", buf)
+			} else {
+				_, err = fmt.Fprintf(w, "/* %v */", e)
+			}
+		case WireFixed32:
+			x, err = b.DecodeFixed32()
+			err = writeUnknownInt(w, x, err)
+		case WireFixed64:
+			x, err = b.DecodeFixed64()
+			err = writeUnknownInt(w, x, err)
+		case WireStartGroup:
+			err = w.WriteByte('{')
+			w.indent()
+		case WireVarint:
+			x, err = b.DecodeVarint()
+			err = writeUnknownInt(w, x, err)
+		default:
+			_, err = fmt.Fprintf(w, "/* unknown wire type %d */", wire)
+		}
+		if err != nil {
+			return err
+		}
+		if err = w.WriteByte('\n'); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func writeUnknownInt(w *textWriter, x uint64, err error) error {
+	if err == nil {
+		_, err = fmt.Fprint(w, x)
+	} else {
+		_, err = fmt.Fprintf(w, "/* %v */", err)
+	}
+	return err
+}
+
+type int32Slice []int32
+
+func (s int32Slice) Len() int           { return len(s) }
+func (s int32Slice) Less(i, j int) bool { return s[i] < s[j] }
+func (s int32Slice) Swap(i, j int)      { s[i], s[j] = s[j], s[i] }
+
+// writeExtensions writes all the extensions in pv.
+// pv is assumed to be a pointer to a protocol message struct that is extendable.
+func (tm *TextMarshaler) writeExtensions(w *textWriter, pv reflect.Value) error {
+	emap := extensionMaps[pv.Type().Elem()]
+	ep, _ := extendable(pv.Interface())
+
+	// Order the extensions by ID.
+	// This isn't strictly necessary, but it will give us
+	// canonical output, which will also make testing easier.
+	m, mu := ep.extensionsRead()
+	if m == nil {
+		return nil
+	}
+	mu.Lock()
+	ids := make([]int32, 0, len(m))
+	for id := range m {
+		ids = append(ids, id)
+	}
+	sort.Sort(int32Slice(ids))
+	mu.Unlock()
+
+	for _, extNum := range ids {
+		ext := m[extNum]
+		var desc *ExtensionDesc
+		if emap != nil {
+			desc = emap[extNum]
+		}
+		if desc == nil {
+			// Unknown extension.
+			if err := writeUnknownStruct(w, ext.enc); err != nil {
+				return err
+			}
+			continue
+		}
+
+		pb, err := GetExtension(ep, desc)
+		if err != nil {
+			return fmt.Errorf("failed getting extension: %v", err)
+		}
+
+		// Repeated extensions will appear as a slice.
+		if !desc.repeated() {
+			if err := tm.writeExtension(w, desc.Name, pb); err != nil {
+				return err
+			}
+		} else {
+			v := reflect.ValueOf(pb)
+			for i := 0; i < v.Len(); i++ {
+				if err := tm.writeExtension(w, desc.Name, v.Index(i).Interface()); err != nil {
+					return err
+				}
+			}
+		}
+	}
+	return nil
+}
+
+func (tm *TextMarshaler) writeExtension(w *textWriter, name string, pb interface{}) error {
+	if _, err := fmt.Fprintf(w, "[%s]:", name); err != nil {
+		return err
+	}
+	if !w.compact {
+		if err := w.WriteByte(' '); err != nil {
+			return err
+		}
+	}
+	if err := tm.writeAny(w, reflect.ValueOf(pb), nil); err != nil {
+		return err
+	}
+	if err := w.WriteByte('\n'); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (w *textWriter) writeIndent() {
+	if !w.complete {
+		return
+	}
+	remain := w.ind * 2
+	for remain > 0 {
+		n := remain
+		if n > len(spaces) {
+			n = len(spaces)
+		}
+		w.w.Write(spaces[:n])
+		remain -= n
+	}
+	w.complete = false
+}
+
+// TextMarshaler is a configurable text format marshaler.
+type TextMarshaler struct {
+	Compact   bool // use compact text format (one line).
+	ExpandAny bool // expand google.protobuf.Any messages of known types
+}
+
+// Marshal writes a given protocol buffer in text format.
+// The only errors returned are from w.
+func (tm *TextMarshaler) Marshal(w io.Writer, pb Message) error {
+	val := reflect.ValueOf(pb)
+	if pb == nil || val.IsNil() {
+		w.Write([]byte("<nil>"))
+		return nil
+	}
+	var bw *bufio.Writer
+	ww, ok := w.(writer)
+	if !ok {
+		bw = bufio.NewWriter(w)
+		ww = bw
+	}
+	aw := &textWriter{
+		w:        ww,
+		complete: true,
+		compact:  tm.Compact,
+	}
+
+	if etm, ok := pb.(encoding.TextMarshaler); ok {
+		text, err := etm.MarshalText()
+		if err != nil {
+			return err
+		}
+		if _, err = aw.Write(text); err != nil {
+			return err
+		}
+		if bw != nil {
+			return bw.Flush()
+		}
+		return nil
+	}
+	// Dereference the received pointer so we don't have outer < and >.
+	v := reflect.Indirect(val)
+	if err := tm.writeStruct(aw, v); err != nil {
+		return err
+	}
+	if bw != nil {
+		return bw.Flush()
+	}
+	return nil
+}
+
+// Text is the same as Marshal, but returns the string directly.
+func (tm *TextMarshaler) Text(pb Message) string {
+	var buf bytes.Buffer
+	tm.Marshal(&buf, pb)
+	return buf.String()
+}
+
+var (
+	defaultTextMarshaler = TextMarshaler{}
+	compactTextMarshaler = TextMarshaler{Compact: true}
+)
+
+// TODO: consider removing some of the Marshal functions below.
+
+// MarshalText writes a given protocol buffer in text format.
+// The only errors returned are from w.
+func MarshalText(w io.Writer, pb Message) error { return defaultTextMarshaler.Marshal(w, pb) }
+
+// MarshalTextString is the same as MarshalText, but returns the string directly.
+func MarshalTextString(pb Message) string { return defaultTextMarshaler.Text(pb) }
+
+// CompactText writes a given protocol buffer in compact text format (one line).
+func CompactText(w io.Writer, pb Message) error { return compactTextMarshaler.Marshal(w, pb) }
+
+// CompactTextString is the same as CompactText, but returns the string directly.
+func CompactTextString(pb Message) string { return compactTextMarshaler.Text(pb) }
--- a/vendor/github.com/golang/protobuf/proto/text_decode.go
+++ b/vendor/github.com/golang/protobuf/proto/text_decode.go
@@ -1,801 +0,0 @@
-// Copyright 2010 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package proto
-
-import (
-	"encoding"
-	"errors"
-	"fmt"
-	"reflect"
-	"strconv"
-	"strings"
-	"unicode/utf8"
-
-	"google.golang.org/protobuf/encoding/prototext"
-	protoV2 "google.golang.org/protobuf/proto"
-	"google.golang.org/protobuf/reflect/protoreflect"
-	"google.golang.org/protobuf/reflect/protoregistry"
-)
-
-const wrapTextUnmarshalV2 = false
-
-// ParseError is returned by UnmarshalText.
-type ParseError struct {
-	Message string
-
-	// Deprecated: Do not use.
-	Line, Offset int
-}
-
-func (e *ParseError) Error() string {
-	if wrapTextUnmarshalV2 {
-		return e.Message
-	}
-	if e.Line == 1 {
-		return fmt.Sprintf("line 1.%d: %v", e.Offset, e.Message)
-	}
-	return fmt.Sprintf("line %d: %v", e.Line, e.Message)
-}
-
-// UnmarshalText parses a proto text formatted string into m.
-func UnmarshalText(s string, m Message) error {
-	if u, ok := m.(encoding.TextUnmarshaler); ok {
-		return u.UnmarshalText([]byte(s))
-	}
-
-	m.Reset()
-	mi := MessageV2(m)
-
-	if wrapTextUnmarshalV2 {
-		err := prototext.UnmarshalOptions{
-			AllowPartial: true,
-		}.Unmarshal([]byte(s), mi)
-		if err != nil {
-			return &ParseError{Message: err.Error()}
-		}
-		return checkRequiredNotSet(mi)
-	} else {
-		if err := newTextParser(s).unmarshalMessage(mi.ProtoReflect(), ""); err != nil {
-			return err
-		}
-		return checkRequiredNotSet(mi)
-	}
-}
-
-type textParser struct {
-	s            string // remaining input
-	done         bool   // whether the parsing is finished (success or error)
-	backed       bool   // whether back() was called
-	offset, line int
-	cur          token
-}
-
-type token struct {
-	value    string
-	err      *ParseError
-	line     int    // line number
-	offset   int    // byte number from start of input, not start of line
-	unquoted string // the unquoted version of value, if it was a quoted string
-}
-
-func newTextParser(s string) *textParser {
-	p := new(textParser)
-	p.s = s
-	p.line = 1
-	p.cur.line = 1
-	return p
-}
-
-func (p *textParser) unmarshalMessage(m protoreflect.Message, terminator string) (err error) {
-	md := m.Descriptor()
-	fds := md.Fields()
-
-	// A struct is a sequence of "name: value", terminated by one of
-	// '>' or '}', or the end of the input.  A name may also be
-	// "[extension]" or "[type/url]".
-	//
-	// The whole struct can also be an expanded Any message, like:
-	// [type/url] < ... struct contents ... >
-	seen := make(map[protoreflect.FieldNumber]bool)
-	for {
-		tok := p.next()
-		if tok.err != nil {
-			return tok.err
-		}
-		if tok.value == terminator {
-			break
-		}
-		if tok.value == "[" {
-			if err := p.unmarshalExtensionOrAny(m, seen); err != nil {
-				return err
-			}
-			continue
-		}
-
-		// This is a normal, non-extension field.
-		name := protoreflect.Name(tok.value)
-		fd := fds.ByName(name)
-		switch {
-		case fd == nil:
-			gd := fds.ByName(protoreflect.Name(strings.ToLower(string(name))))
-			if gd != nil && gd.Kind() == protoreflect.GroupKind && gd.Message().Name() == name {
-				fd = gd
-			}
-		case fd.Kind() == protoreflect.GroupKind && fd.Message().Name() != name:
-			fd = nil
-		case fd.IsWeak() && fd.Message().IsPlaceholder():
-			fd = nil
-		}
-		if fd == nil {
-			typeName := string(md.FullName())
-			if m, ok := m.Interface().(Message); ok {
-				t := reflect.TypeOf(m)
-				if t.Kind() == reflect.Ptr {
-					typeName = t.Elem().String()
-				}
-			}
-			return p.errorf("unknown field name %q in %v", name, typeName)
-		}
-		if od := fd.ContainingOneof(); od != nil && m.WhichOneof(od) != nil {
-			return p.errorf("field '%s' would overwrite already parsed oneof '%s'", name, od.Name())
-		}
-		if fd.Cardinality() != protoreflect.Repeated && seen[fd.Number()] {
-			return p.errorf("non-repeated field %q was repeated", fd.Name())
-		}
-		seen[fd.Number()] = true
-
-		// Consume any colon.
-		if err := p.checkForColon(fd); err != nil {
-			return err
-		}
-
-		// Parse into the field.
-		v := m.Get(fd)
-		if !m.Has(fd) && (fd.IsList() || fd.IsMap() || fd.Message() != nil) {
-			v = m.Mutable(fd)
-		}
-		if v, err = p.unmarshalValue(v, fd); err != nil {
-			return err
-		}
-		m.Set(fd, v)
-
-		if err := p.consumeOptionalSeparator(); err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-func (p *textParser) unmarshalExtensionOrAny(m protoreflect.Message, seen map[protoreflect.FieldNumber]bool) error {
-	name, err := p.consumeExtensionOrAnyName()
-	if err != nil {
-		return err
-	}
-
-	// If it contains a slash, it's an Any type URL.
-	if slashIdx := strings.LastIndex(name, "/"); slashIdx >= 0 {
-		tok := p.next()
-		if tok.err != nil {
-			return tok.err
-		}
-		// consume an optional colon
-		if tok.value == ":" {
-			tok = p.next()
-			if tok.err != nil {
-				return tok.err
-			}
-		}
-
-		var terminator string
-		switch tok.value {
-		case "<":
-			terminator = ">"
-		case "{":
-			terminator = "}"
-		default:
-			return p.errorf("expected '{' or '<', found %q", tok.value)
-		}
-
-		mt, err := protoregistry.GlobalTypes.FindMessageByURL(name)
-		if err != nil {
-			return p.errorf("unrecognized message %q in google.protobuf.Any", name[slashIdx+len("/"):])
-		}
-		m2 := mt.New()
-		if err := p.unmarshalMessage(m2, terminator); err != nil {
-			return err
-		}
-		b, err := protoV2.Marshal(m2.Interface())
-		if err != nil {
-			return p.errorf("failed to marshal message of type %q: %v", name[slashIdx+len("/"):], err)
-		}
-
-		urlFD := m.Descriptor().Fields().ByName("type_url")
-		valFD := m.Descriptor().Fields().ByName("value")
-		if seen[urlFD.Number()] {
-			return p.errorf("Any message unpacked multiple times, or %q already set", urlFD.Name())
-		}
-		if seen[valFD.Number()] {
-			return p.errorf("Any message unpacked multiple times, or %q already set", valFD.Name())
-		}
-		m.Set(urlFD, protoreflect.ValueOfString(name))
-		m.Set(valFD, protoreflect.ValueOfBytes(b))
-		seen[urlFD.Number()] = true
-		seen[valFD.Number()] = true
-		return nil
-	}
-
-	xname := protoreflect.FullName(name)
-	xt, _ := protoregistry.GlobalTypes.FindExtensionByName(xname)
-	if xt == nil && isMessageSet(m.Descriptor()) {
-		xt, _ = protoregistry.GlobalTypes.FindExtensionByName(xname.Append("message_set_extension"))
-	}
-	if xt == nil {
-		return p.errorf("unrecognized extension %q", name)
-	}
-	fd := xt.TypeDescriptor()
-	if fd.ContainingMessage().FullName() != m.Descriptor().FullName() {
-		return p.errorf("extension field %q does not extend message %q", name, m.Descriptor().FullName())
-	}
-
-	if err := p.checkForColon(fd); err != nil {
-		return err
-	}
-
-	v := m.Get(fd)
-	if !m.Has(fd) && (fd.IsList() || fd.IsMap() || fd.Message() != nil) {
-		v = m.Mutable(fd)
-	}
-	v, err = p.unmarshalValue(v, fd)
-	if err != nil {
-		return err
-	}
-	m.Set(fd, v)
-	return p.consumeOptionalSeparator()
-}
-
-func (p *textParser) unmarshalValue(v protoreflect.Value, fd protoreflect.FieldDescriptor) (protoreflect.Value, error) {
-	tok := p.next()
-	if tok.err != nil {
-		return v, tok.err
-	}
-	if tok.value == "" {
-		return v, p.errorf("unexpected EOF")
-	}
-
-	switch {
-	case fd.IsList():
-		lv := v.List()
-		var err error
-		if tok.value == "[" {
-			// Repeated field with list notation, like [1,2,3].
-			for {
-				vv := lv.NewElement()
-				vv, err = p.unmarshalSingularValue(vv, fd)
-				if err != nil {
-					return v, err
-				}
-				lv.Append(vv)
-
-				tok := p.next()
-				if tok.err != nil {
-					return v, tok.err
-				}
-				if tok.value == "]" {
-					break
-				}
-				if tok.value != "," {
-					return v, p.errorf("Expected ']' or ',' found %q", tok.value)
-				}
-			}
-			return v, nil
-		}
-
-		// One value of the repeated field.
-		p.back()
-		vv := lv.NewElement()
-		vv, err = p.unmarshalSingularValue(vv, fd)
-		if err != nil {
-			return v, err
-		}
-		lv.Append(vv)
-		return v, nil
-	case fd.IsMap():
-		// The map entry should be this sequence of tokens:
-		//	< key : KEY value : VALUE >
-		// However, implementations may omit key or value, and technically
-		// we should support them in any order.
-		var terminator string
-		switch tok.value {
-		case "<":
-			terminator = ">"
-		case "{":
-			terminator = "}"
-		default:
-			return v, p.errorf("expected '{' or '<', found %q", tok.value)
-		}
-
-		keyFD := fd.MapKey()
-		valFD := fd.MapValue()
-
-		mv := v.Map()
-		kv := keyFD.Default()
-		vv := mv.NewValue()
-		for {
-			tok := p.next()
-			if tok.err != nil {
-				return v, tok.err
-			}
-			if tok.value == terminator {
-				break
-			}
-			var err error
-			switch tok.value {
-			case "key":
-				if err := p.consumeToken(":"); err != nil {
-					return v, err
-				}
-				if kv, err = p.unmarshalSingularValue(kv, keyFD); err != nil {
-					return v, err
-				}
-				if err := p.consumeOptionalSeparator(); err != nil {
-					return v, err
-				}
-			case "value":
-				if err := p.checkForColon(valFD); err != nil {
-					return v, err
-				}
-				if vv, err = p.unmarshalSingularValue(vv, valFD); err != nil {
-					return v, err
-				}
-				if err := p.consumeOptionalSeparator(); err != nil {
-					return v, err
-				}
-			default:
-				p.back()
-				return v, p.errorf(`expected "key", "value", or %q, found %q`, terminator, tok.value)
-			}
-		}
-		mv.Set(kv.MapKey(), vv)
-		return v, nil
-	default:
-		p.back()
-		return p.unmarshalSingularValue(v, fd)
-	}
-}
-
-func (p *textParser) unmarshalSingularValue(v protoreflect.Value, fd protoreflect.FieldDescriptor) (protoreflect.Value, error) {
-	tok := p.next()
-	if tok.err != nil {
-		return v, tok.err
-	}
-	if tok.value == "" {
-		return v, p.errorf("unexpected EOF")
-	}
-
-	switch fd.Kind() {
-	case protoreflect.BoolKind:
-		switch tok.value {
-		case "true", "1", "t", "True":
-			return protoreflect.ValueOfBool(true), nil
-		case "false", "0", "f", "False":
-			return protoreflect.ValueOfBool(false), nil
-		}
-	case protoreflect.Int32Kind, protoreflect.Sint32Kind, protoreflect.Sfixed32Kind:
-		if x, err := strconv.ParseInt(tok.value, 0, 32); err == nil {
-			return protoreflect.ValueOfInt32(int32(x)), nil
-		}
-
-		// The C++ parser accepts large positive hex numbers that uses
-		// two's complement arithmetic to represent negative numbers.
-		// This feature is here for backwards compatibility with C++.
-		if strings.HasPrefix(tok.value, "0x") {
-			if x, err := strconv.ParseUint(tok.value, 0, 32); err == nil {
-				return protoreflect.ValueOfInt32(int32(-(int64(^x) + 1))), nil
-			}
-		}
-	case protoreflect.Int64Kind, protoreflect.Sint64Kind, protoreflect.Sfixed64Kind:
-		if x, err := strconv.ParseInt(tok.value, 0, 64); err == nil {
-			return protoreflect.ValueOfInt64(int64(x)), nil
-		}
-
-		// The C++ parser accepts large positive hex numbers that uses
-		// two's complement arithmetic to represent negative numbers.
-		// This feature is here for backwards compatibility with C++.
-		if strings.HasPrefix(tok.value, "0x") {
-			if x, err := strconv.ParseUint(tok.value, 0, 64); err == nil {
-				return protoreflect.ValueOfInt64(int64(-(int64(^x) + 1))), nil
-			}
-		}
-	case protoreflect.Uint32Kind, protoreflect.Fixed32Kind:
-		if x, err := strconv.ParseUint(tok.value, 0, 32); err == nil {
-			return protoreflect.ValueOfUint32(uint32(x)), nil
-		}
-	case protoreflect.Uint64Kind, protoreflect.Fixed64Kind:
-		if x, err := strconv.ParseUint(tok.value, 0, 64); err == nil {
-			return protoreflect.ValueOfUint64(uint64(x)), nil
-		}
-	case protoreflect.FloatKind:
-		// Ignore 'f' for compatibility with output generated by C++,
-		// but don't remove 'f' when the value is "-inf" or "inf".
-		v := tok.value
-		if strings.HasSuffix(v, "f") && v != "-inf" && v != "inf" {
-			v = v[:len(v)-len("f")]
-		}
-		if x, err := strconv.ParseFloat(v, 32); err == nil {
-			return protoreflect.ValueOfFloat32(float32(x)), nil
-		}
-	case protoreflect.DoubleKind:
-		// Ignore 'f' for compatibility with output generated by C++,
-		// but don't remove 'f' when the value is "-inf" or "inf".
-		v := tok.value
-		if strings.HasSuffix(v, "f") && v != "-inf" && v != "inf" {
-			v = v[:len(v)-len("f")]
-		}
-		if x, err := strconv.ParseFloat(v, 64); err == nil {
-			return protoreflect.ValueOfFloat64(float64(x)), nil
-		}
-	case protoreflect.StringKind:
-		if isQuote(tok.value[0]) {
-			return protoreflect.ValueOfString(tok.unquoted), nil
-		}
-	case protoreflect.BytesKind:
-		if isQuote(tok.value[0]) {
-			return protoreflect.ValueOfBytes([]byte(tok.unquoted)), nil
-		}
-	case protoreflect.EnumKind:
-		if x, err := strconv.ParseInt(tok.value, 0, 32); err == nil {
-			return protoreflect.ValueOfEnum(protoreflect.EnumNumber(x)), nil
-		}
-		vd := fd.Enum().Values().ByName(protoreflect.Name(tok.value))
-		if vd != nil {
-			return protoreflect.ValueOfEnum(vd.Number()), nil
-		}
-	case protoreflect.MessageKind, protoreflect.GroupKind:
-		var terminator string
-		switch tok.value {
-		case "{":
-			terminator = "}"
-		case "<":
-			terminator = ">"
-		default:
-			return v, p.errorf("expected '{' or '<', found %q", tok.value)
-		}
-		err := p.unmarshalMessage(v.Message(), terminator)
-		return v, err
-	default:
-		panic(fmt.Sprintf("invalid kind %v", fd.Kind()))
-	}
-	return v, p.errorf("invalid %v: %v", fd.Kind(), tok.value)
-}
-
-// Consume a ':' from the input stream (if the next token is a colon),
-// returning an error if a colon is needed but not present.
-func (p *textParser) checkForColon(fd protoreflect.FieldDescriptor) *ParseError {
-	tok := p.next()
-	if tok.err != nil {
-		return tok.err
-	}
-	if tok.value != ":" {
-		if fd.Message() == nil {
-			return p.errorf("expected ':', found %q", tok.value)
-		}
-		p.back()
-	}
-	return nil
-}
-
-// consumeExtensionOrAnyName consumes an extension name or an Any type URL and
-// the following ']'. It returns the name or URL consumed.
-func (p *textParser) consumeExtensionOrAnyName() (string, error) {
-	tok := p.next()
-	if tok.err != nil {
-		return "", tok.err
-	}
-
-	// If extension name or type url is quoted, it's a single token.
-	if len(tok.value) > 2 && isQuote(tok.value[0]) && tok.value[len(tok.value)-1] == tok.value[0] {
-		name, err := unquoteC(tok.value[1:len(tok.value)-1], rune(tok.value[0]))
-		if err != nil {
-			return "", err
-		}
-		return name, p.consumeToken("]")
-	}
-
-	// Consume everything up to "]"
-	var parts []string
-	for tok.value != "]" {
-		parts = append(parts, tok.value)
-		tok = p.next()
-		if tok.err != nil {
-			return "", p.errorf("unrecognized type_url or extension name: %s", tok.err)
-		}
-		if p.done && tok.value != "]" {
-			return "", p.errorf("unclosed type_url or extension name")
-		}
-	}
-	return strings.Join(parts, ""), nil
-}
-
-// consumeOptionalSeparator consumes an optional semicolon or comma.
-// It is used in unmarshalMessage to provide backward compatibility.
-func (p *textParser) consumeOptionalSeparator() error {
-	tok := p.next()
-	if tok.err != nil {
-		return tok.err
-	}
-	if tok.value != ";" && tok.value != "," {
-		p.back()
-	}
-	return nil
-}
-
-func (p *textParser) errorf(format string, a ...interface{}) *ParseError {
-	pe := &ParseError{fmt.Sprintf(format, a...), p.cur.line, p.cur.offset}
-	p.cur.err = pe
-	p.done = true
-	return pe
-}
-
-func (p *textParser) skipWhitespace() {
-	i := 0
-	for i < len(p.s) && (isWhitespace(p.s[i]) || p.s[i] == '#') {
-		if p.s[i] == '#' {
-			// comment; skip to end of line or input
-			for i < len(p.s) && p.s[i] != '\n' {
-				i++
-			}
-			if i == len(p.s) {
-				break
-			}
-		}
-		if p.s[i] == '\n' {
-			p.line++
-		}
-		i++
-	}
-	p.offset += i
-	p.s = p.s[i:len(p.s)]
-	if len(p.s) == 0 {
-		p.done = true
-	}
-}
-
-func (p *textParser) advance() {
-	// Skip whitespace
-	p.skipWhitespace()
-	if p.done {
-		return
-	}
-
-	// Start of non-whitespace
-	p.cur.err = nil
-	p.cur.offset, p.cur.line = p.offset, p.line
-	p.cur.unquoted = ""
-	switch p.s[0] {
-	case '<', '>', '{', '}', ':', '[', ']', ';', ',', '/':
-		// Single symbol
-		p.cur.value, p.s = p.s[0:1], p.s[1:len(p.s)]
-	case '"', '\'':
-		// Quoted string
-		i := 1
-		for i < len(p.s) && p.s[i] != p.s[0] && p.s[i] != '\n' {
-			if p.s[i] == '\\' && i+1 < len(p.s) {
-				// skip escaped char
-				i++
-			}
-			i++
-		}
-		if i >= len(p.s) || p.s[i] != p.s[0] {
-			p.errorf("unmatched quote")
-			return
-		}
-		unq, err := unquoteC(p.s[1:i], rune(p.s[0]))
-		if err != nil {
-			p.errorf("invalid quoted string %s: %v", p.s[0:i+1], err)
-			return
-		}
-		p.cur.value, p.s = p.s[0:i+1], p.s[i+1:len(p.s)]
-		p.cur.unquoted = unq
-	default:
-		i := 0
-		for i < len(p.s) && isIdentOrNumberChar(p.s[i]) {
-			i++
-		}
-		if i == 0 {
-			p.errorf("unexpected byte %#x", p.s[0])
-			return
-		}
-		p.cur.value, p.s = p.s[0:i], p.s[i:len(p.s)]
-	}
-	p.offset += len(p.cur.value)
-}
-
-// Back off the parser by one token. Can only be done between calls to next().
-// It makes the next advance() a no-op.
-func (p *textParser) back() { p.backed = true }
-
-// Advances the parser and returns the new current token.
-func (p *textParser) next() *token {
-	if p.backed || p.done {
-		p.backed = false
-		return &p.cur
-	}
-	p.advance()
-	if p.done {
-		p.cur.value = ""
-	} else if len(p.cur.value) > 0 && isQuote(p.cur.value[0]) {
-		// Look for multiple quoted strings separated by whitespace,
-		// and concatenate them.
-		cat := p.cur
-		for {
-			p.skipWhitespace()
-			if p.done || !isQuote(p.s[0]) {
-				break
-			}
-			p.advance()
-			if p.cur.err != nil {
-				return &p.cur
-			}
-			cat.value += " " + p.cur.value
-			cat.unquoted += p.cur.unquoted
-		}
-		p.done = false // parser may have seen EOF, but we want to return cat
-		p.cur = cat
-	}
-	return &p.cur
-}
-
-func (p *textParser) consumeToken(s string) error {
-	tok := p.next()
-	if tok.err != nil {
-		return tok.err
-	}
-	if tok.value != s {
-		p.back()
-		return p.errorf("expected %q, found %q", s, tok.value)
-	}
-	return nil
-}
-
-var errBadUTF8 = errors.New("proto: bad UTF-8")
-
-func unquoteC(s string, quote rune) (string, error) {
-	// This is based on C++'s tokenizer.cc.
-	// Despite its name, this is *not* parsing C syntax.
-	// For instance, "\0" is an invalid quoted string.
-
-	// Avoid allocation in trivial cases.
-	simple := true
-	for _, r := range s {
-		if r == '\\' || r == quote {
-			simple = false
-			break
-		}
-	}
-	if simple {
-		return s, nil
-	}
-
-	buf := make([]byte, 0, 3*len(s)/2)
-	for len(s) > 0 {
-		r, n := utf8.DecodeRuneInString(s)
-		if r == utf8.RuneError && n == 1 {
-			return "", errBadUTF8
-		}
-		s = s[n:]
-		if r != '\\' {
-			if r < utf8.RuneSelf {
-				buf = append(buf, byte(r))
-			} else {
-				buf = append(buf, string(r)...)
-			}
-			continue
-		}
-
-		ch, tail, err := unescape(s)
-		if err != nil {
-			return "", err
-		}
-		buf = append(buf, ch...)
-		s = tail
-	}
-	return string(buf), nil
-}
-
-func unescape(s string) (ch string, tail string, err error) {
-	r, n := utf8.DecodeRuneInString(s)
-	if r == utf8.RuneError && n == 1 {
-		return "", "", errBadUTF8
-	}
-	s = s[n:]
-	switch r {
-	case 'a':
-		return "\a", s, nil
-	case 'b':
-		return "\b", s, nil
-	case 'f':
-		return "\f", s, nil
-	case 'n':
-		return "\n", s, nil
-	case 'r':
-		return "\r", s, nil
-	case 't':
-		return "\t", s, nil
-	case 'v':
-		return "\v", s, nil
-	case '?':
-		return "?", s, nil // trigraph workaround
-	case '\'', '"', '\\':
-		return string(r), s, nil
-	case '0', '1', '2', '3', '4', '5', '6', '7':
-		if len(s) < 2 {
-			return "", "", fmt.Errorf(`\%c requires 2 following digits`, r)
-		}
-		ss := string(r) + s[:2]
-		s = s[2:]
-		i, err := strconv.ParseUint(ss, 8, 8)
-		if err != nil {
-			return "", "", fmt.Errorf(`\%s contains non-octal digits`, ss)
-		}
-		return string([]byte{byte(i)}), s, nil
-	case 'x', 'X', 'u', 'U':
-		var n int
-		switch r {
-		case 'x', 'X':
-			n = 2
-		case 'u':
-			n = 4
-		case 'U':
-			n = 8
-		}
-		if len(s) < n {
-			return "", "", fmt.Errorf(`\%c requires %d following digits`, r, n)
-		}
-		ss := s[:n]
-		s = s[n:]
-		i, err := strconv.ParseUint(ss, 16, 64)
-		if err != nil {
-			return "", "", fmt.Errorf(`\%c%s contains non-hexadecimal digits`, r, ss)
-		}
-		if r == 'x' || r == 'X' {
-			return string([]byte{byte(i)}), s, nil
-		}
-		if i > utf8.MaxRune {
-			return "", "", fmt.Errorf(`\%c%s is not a valid Unicode code point`, r, ss)
-		}
-		return string(i), s, nil
-	}
-	return "", "", fmt.Errorf(`unknown escape \%c`, r)
-}
-
-func isIdentOrNumberChar(c byte) bool {
-	switch {
-	case 'A' <= c && c <= 'Z', 'a' <= c && c <= 'z':
-		return true
-	case '0' <= c && c <= '9':
-		return true
-	}
-	switch c {
-	case '-', '+', '.', '_':
-		return true
-	}
-	return false
-}
-
-func isWhitespace(c byte) bool {
-	switch c {
-	case ' ', '\t', '\n', '\r':
-		return true
-	}
-	return false
-}
-
-func isQuote(c byte) bool {
-	switch c {
-	case '"', '\'':
-		return true
-	}
-	return false
-}
--- a/vendor/github.com/golang/protobuf/proto/text_encode.go
+++ b/vendor/github.com/golang/protobuf/proto/text_encode.go
@@ -1,560 +0,0 @@
-// Copyright 2010 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package proto
-
-import (
-	"bytes"
-	"encoding"
-	"fmt"
-	"io"
-	"math"
-	"sort"
-	"strings"
-
-	"google.golang.org/protobuf/encoding/prototext"
-	"google.golang.org/protobuf/encoding/protowire"
-	"google.golang.org/protobuf/proto"
-	"google.golang.org/protobuf/reflect/protoreflect"
-	"google.golang.org/protobuf/reflect/protoregistry"
-)
-
-const wrapTextMarshalV2 = false
-
-// TextMarshaler is a configurable text format marshaler.
-type TextMarshaler struct {
-	Compact   bool // use compact text format (one line)
-	ExpandAny bool // expand google.protobuf.Any messages of known types
-}
-
-// Marshal writes the proto text format of m to w.
-func (tm *TextMarshaler) Marshal(w io.Writer, m Message) error {
-	b, err := tm.marshal(m)
-	if len(b) > 0 {
-		if _, err := w.Write(b); err != nil {
-			return err
-		}
-	}
-	return err
-}
-
-// Text returns a proto text formatted string of m.
-func (tm *TextMarshaler) Text(m Message) string {
-	b, _ := tm.marshal(m)
-	return string(b)
-}
-
-func (tm *TextMarshaler) marshal(m Message) ([]byte, error) {
-	mr := MessageReflect(m)
-	if mr == nil || !mr.IsValid() {
-		return []byte("<nil>"), nil
-	}
-
-	if wrapTextMarshalV2 {
-		if m, ok := m.(encoding.TextMarshaler); ok {
-			return m.MarshalText()
-		}
-
-		opts := prototext.MarshalOptions{
-			AllowPartial: true,
-			EmitUnknown:  true,
-		}
-		if !tm.Compact {
-			opts.Indent = "  "
-		}
-		if !tm.ExpandAny {
-			opts.Resolver = (*protoregistry.Types)(nil)
-		}
-		return opts.Marshal(mr.Interface())
-	} else {
-		w := &textWriter{
-			compact:   tm.Compact,
-			expandAny: tm.ExpandAny,
-			complete:  true,
-		}
-
-		if m, ok := m.(encoding.TextMarshaler); ok {
-			b, err := m.MarshalText()
-			if err != nil {
-				return nil, err
-			}
-			w.Write(b)
-			return w.buf, nil
-		}
-
-		err := w.writeMessage(mr)
-		return w.buf, err
-	}
-}
-
-var (
-	defaultTextMarshaler = TextMarshaler{}
-	compactTextMarshaler = TextMarshaler{Compact: true}
-)
-
-// MarshalText writes the proto text format of m to w.
-func MarshalText(w io.Writer, m Message) error { return defaultTextMarshaler.Marshal(w, m) }
-
-// MarshalTextString returns a proto text formatted string of m.
-func MarshalTextString(m Message) string { return defaultTextMarshaler.Text(m) }
-
-// CompactText writes the compact proto text format of m to w.
-func CompactText(w io.Writer, m Message) error { return compactTextMarshaler.Marshal(w, m) }
-
-// CompactTextString returns a compact proto text formatted string of m.
-func CompactTextString(m Message) string { return compactTextMarshaler.Text(m) }
-
-var (
-	newline         = []byte("\n")
-	endBraceNewline = []byte("}\n")
-	posInf          = []byte("inf")
-	negInf          = []byte("-inf")
-	nan             = []byte("nan")
-)
-
-// textWriter is an io.Writer that tracks its indentation level.
-type textWriter struct {
-	compact   bool // same as TextMarshaler.Compact
-	expandAny bool // same as TextMarshaler.ExpandAny
-	complete  bool // whether the current position is a complete line
-	indent    int  // indentation level; never negative
-	buf       []byte
-}
-
-func (w *textWriter) Write(p []byte) (n int, _ error) {
-	newlines := bytes.Count(p, newline)
-	if newlines == 0 {
-		if !w.compact && w.complete {
-			w.writeIndent()
-		}
-		w.buf = append(w.buf, p...)
-		w.complete = false
-		return len(p), nil
-	}
-
-	frags := bytes.SplitN(p, newline, newlines+1)
-	if w.compact {
-		for i, frag := range frags {
-			if i > 0 {
-				w.buf = append(w.buf, ' ')
-				n++
-			}
-			w.buf = append(w.buf, frag...)
-			n += len(frag)
-		}
-		return n, nil
-	}
-
-	for i, frag := range frags {
-		if w.complete {
-			w.writeIndent()
-		}
-		w.buf = append(w.buf, frag...)
-		n += len(frag)
-		if i+1 < len(frags) {
-			w.buf = append(w.buf, '\n')
-			n++
-		}
-	}
-	w.complete = len(frags[len(frags)-1]) == 0
-	return n, nil
-}
-
-func (w *textWriter) WriteByte(c byte) error {
-	if w.compact && c == '\n' {
-		c = ' '
-	}
-	if !w.compact && w.complete {
-		w.writeIndent()
-	}
-	w.buf = append(w.buf, c)
-	w.complete = c == '\n'
-	return nil
-}
-
-func (w *textWriter) writeName(fd protoreflect.FieldDescriptor) {
-	if !w.compact && w.complete {
-		w.writeIndent()
-	}
-	w.complete = false
-
-	if fd.Kind() != protoreflect.GroupKind {
-		w.buf = append(w.buf, fd.Name()...)
-		w.WriteByte(':')
-	} else {
-		// Use message type name for group field name.
-		w.buf = append(w.buf, fd.Message().Name()...)
-	}
-
-	if !w.compact {
-		w.WriteByte(' ')
-	}
-}
-
-func requiresQuotes(u string) bool {
-	// When type URL contains any characters except [0-9A-Za-z./\-]*, it must be quoted.
-	for _, ch := range u {
-		switch {
-		case ch == '.' || ch == '/' || ch == '_':
-			continue
-		case '0' <= ch && ch <= '9':
-			continue
-		case 'A' <= ch && ch <= 'Z':
-			continue
-		case 'a' <= ch && ch <= 'z':
-			continue
-		default:
-			return true
-		}
-	}
-	return false
-}
-
-// writeProto3Any writes an expanded google.protobuf.Any message.
-//
-// It returns (false, nil) if sv value can't be unmarshaled (e.g. because
-// required messages are not linked in).
-//
-// It returns (true, error) when sv was written in expanded format or an error
-// was encountered.
-func (w *textWriter) writeProto3Any(m protoreflect.Message) (bool, error) {
-	md := m.Descriptor()
-	fdURL := md.Fields().ByName("type_url")
-	fdVal := md.Fields().ByName("value")
-
-	url := m.Get(fdURL).String()
-	mt, err := protoregistry.GlobalTypes.FindMessageByURL(url)
-	if err != nil {
-		return false, nil
-	}
-
-	b := m.Get(fdVal).Bytes()
-	m2 := mt.New()
-	if err := proto.Unmarshal(b, m2.Interface()); err != nil {
-		return false, nil
-	}
-	w.Write([]byte("["))
-	if requiresQuotes(url) {
-		w.writeQuotedString(url)
-	} else {
-		w.Write([]byte(url))
-	}
-	if w.compact {
-		w.Write([]byte("]:<"))
-	} else {
-		w.Write([]byte("]: <\n"))
-		w.indent++
-	}
-	if err := w.writeMessage(m2); err != nil {
-		return true, err
-	}
-	if w.compact {
-		w.Write([]byte("> "))
-	} else {
-		w.indent--
-		w.Write([]byte(">\n"))
-	}
-	return true, nil
-}
-
-func (w *textWriter) writeMessage(m protoreflect.Message) error {
-	md := m.Descriptor()
-	if w.expandAny && md.FullName() == "google.protobuf.Any" {
-		if canExpand, err := w.writeProto3Any(m); canExpand {
-			return err
-		}
-	}
-
-	fds := md.Fields()
-	for i := 0; i < fds.Len(); {
-		fd := fds.Get(i)
-		if od := fd.ContainingOneof(); od != nil {
-			fd = m.WhichOneof(od)
-			i += od.Fields().Len()
-		} else {
-			i++
-		}
-		if fd == nil || !m.Has(fd) {
-			continue
-		}
-
-		switch {
-		case fd.IsList():
-			lv := m.Get(fd).List()
-			for j := 0; j < lv.Len(); j++ {
-				w.writeName(fd)
-				v := lv.Get(j)
-				if err := w.writeSingularValue(v, fd); err != nil {
-					return err
-				}
-				w.WriteByte('\n')
-			}
-		case fd.IsMap():
-			kfd := fd.MapKey()
-			vfd := fd.MapValue()
-			mv := m.Get(fd).Map()
-
-			type entry struct{ key, val protoreflect.Value }
-			var entries []entry
-			mv.Range(func(k protoreflect.MapKey, v protoreflect.Value) bool {
-				entries = append(entries, entry{k.Value(), v})
-				return true
-			})
-			sort.Slice(entries, func(i, j int) bool {
-				switch kfd.Kind() {
-				case protoreflect.BoolKind:
-					return !entries[i].key.Bool() && entries[j].key.Bool()
-				case protoreflect.Int32Kind, protoreflect.Sint32Kind, protoreflect.Sfixed32Kind, protoreflect.Int64Kind, protoreflect.Sint64Kind, protoreflect.Sfixed64Kind:
-					return entries[i].key.Int() < entries[j].key.Int()
-				case protoreflect.Uint32Kind, protoreflect.Fixed32Kind, protoreflect.Uint64Kind, protoreflect.Fixed64Kind:
-					return entries[i].key.Uint() < entries[j].key.Uint()
-				case protoreflect.StringKind:
-					return entries[i].key.String() < entries[j].key.String()
-				default:
-					panic("invalid kind")
-				}
-			})
-			for _, entry := range entries {
-				w.writeName(fd)
-				w.WriteByte('<')
-				if !w.compact {
-					w.WriteByte('\n')
-				}
-				w.indent++
-				w.writeName(kfd)
-				if err := w.writeSingularValue(entry.key, kfd); err != nil {
-					return err
-				}
-				w.WriteByte('\n')
-				w.writeName(vfd)
-				if err := w.writeSingularValue(entry.val, vfd); err != nil {
-					return err
-				}
-				w.WriteByte('\n')
-				w.indent--
-				w.WriteByte('>')
-				w.WriteByte('\n')
-			}
-		default:
-			w.writeName(fd)
-			if err := w.writeSingularValue(m.Get(fd), fd); err != nil {
-				return err
-			}
-			w.WriteByte('\n')
-		}
-	}
-
-	if b := m.GetUnknown(); len(b) > 0 {
-		w.writeUnknownFields(b)
-	}
-	return w.writeExtensions(m)
-}
-
-func (w *textWriter) writeSingularValue(v protoreflect.Value, fd protoreflect.FieldDescriptor) error {
-	switch fd.Kind() {
-	case protoreflect.FloatKind, protoreflect.DoubleKind:
-		switch vf := v.Float(); {
-		case math.IsInf(vf, +1):
-			w.Write(posInf)
-		case math.IsInf(vf, -1):
-			w.Write(negInf)
-		case math.IsNaN(vf):
-			w.Write(nan)
-		default:
-			fmt.Fprint(w, v.Interface())
-		}
-	case protoreflect.StringKind:
-		// NOTE: This does not validate UTF-8 for historical reasons.
-		w.writeQuotedString(string(v.String()))
-	case protoreflect.BytesKind:
-		w.writeQuotedString(string(v.Bytes()))
-	case protoreflect.MessageKind, protoreflect.GroupKind:
-		var bra, ket byte = '<', '>'
-		if fd.Kind() == protoreflect.GroupKind {
-			bra, ket = '{', '}'
-		}
-		w.WriteByte(bra)
-		if !w.compact {
-			w.WriteByte('\n')
-		}
-		w.indent++
-		m := v.Message()
-		if m2, ok := m.Interface().(encoding.TextMarshaler); ok {
-			b, err := m2.MarshalText()
-			if err != nil {
-				return err
-			}
-			w.Write(b)
-		} else {
-			w.writeMessage(m)
-		}
-		w.indent--
-		w.WriteByte(ket)
-	case protoreflect.EnumKind:
-		if ev := fd.Enum().Values().ByNumber(v.Enum()); ev != nil {
-			fmt.Fprint(w, ev.Name())
-		} else {
-			fmt.Fprint(w, v.Enum())
-		}
-	default:
-		fmt.Fprint(w, v.Interface())
-	}
-	return nil
-}
-
-// writeQuotedString writes a quoted string in the protocol buffer text format.
-func (w *textWriter) writeQuotedString(s string) {
-	w.WriteByte('"')
-	for i := 0; i < len(s); i++ {
-		switch c := s[i]; c {
-		case '\n':
-			w.buf = append(w.buf, `\n`...)
-		case '\r':
-			w.buf = append(w.buf, `\r`...)
-		case '\t':
-			w.buf = append(w.buf, `\t`...)
-		case '"':
-			w.buf = append(w.buf, `\"`...)
-		case '\\':
-			w.buf = append(w.buf, `\\`...)
-		default:
-			if isPrint := c >= 0x20 && c < 0x7f; isPrint {
-				w.buf = append(w.buf, c)
-			} else {
-				w.buf = append(w.buf, fmt.Sprintf(`\%03o`, c)...)
-			}
-		}
-	}
-	w.WriteByte('"')
-}
-
-func (w *textWriter) writeUnknownFields(b []byte) {
-	if !w.compact {
-		fmt.Fprintf(w, "/* %d unknown bytes */\n", len(b))
-	}
-
-	for len(b) > 0 {
-		num, wtyp, n := protowire.ConsumeTag(b)
-		if n < 0 {
-			return
-		}
-		b = b[n:]
-
-		if wtyp == protowire.EndGroupType {
-			w.indent--
-			w.Write(endBraceNewline)
-			continue
-		}
-		fmt.Fprint(w, num)
-		if wtyp != protowire.StartGroupType {
-			w.WriteByte(':')
-		}
-		if !w.compact || wtyp == protowire.StartGroupType {
-			w.WriteByte(' ')
-		}
-		switch wtyp {
-		case protowire.VarintType:
-			v, n := protowire.ConsumeVarint(b)
-			if n < 0 {
-				return
-			}
-			b = b[n:]
-			fmt.Fprint(w, v)
-		case protowire.Fixed32Type:
-			v, n := protowire.ConsumeFixed32(b)
-			if n < 0 {
-				return
-			}
-			b = b[n:]
-			fmt.Fprint(w, v)
-		case protowire.Fixed64Type:
-			v, n := protowire.ConsumeFixed64(b)
-			if n < 0 {
-				return
-			}
-			b = b[n:]
-			fmt.Fprint(w, v)
-		case protowire.BytesType:
-			v, n := protowire.ConsumeBytes(b)
-			if n < 0 {
-				return
-			}
-			b = b[n:]
-			fmt.Fprintf(w, "%q", v)
-		case protowire.StartGroupType:
-			w.WriteByte('{')
-			w.indent++
-		default:
-			fmt.Fprintf(w, "/* unknown wire type %d */", wtyp)
-		}
-		w.WriteByte('\n')
-	}
-}
-
-// writeExtensions writes all the extensions in m.
-func (w *textWriter) writeExtensions(m protoreflect.Message) error {
-	md := m.Descriptor()
-	if md.ExtensionRanges().Len() == 0 {
-		return nil
-	}
-
-	type ext struct {
-		desc protoreflect.FieldDescriptor
-		val  protoreflect.Value
-	}
-	var exts []ext
-	m.Range(func(fd protoreflect.FieldDescriptor, v protoreflect.Value) bool {
-		if fd.IsExtension() {
-			exts = append(exts, ext{fd, v})
-		}
-		return true
-	})
-	sort.Slice(exts, func(i, j int) bool {
-		return exts[i].desc.Number() < exts[j].desc.Number()
-	})
-
-	for _, ext := range exts {
-		// For message set, use the name of the message as the extension name.
-		name := string(ext.desc.FullName())
-		if isMessageSet(ext.desc.ContainingMessage()) {
-			name = strings.TrimSuffix(name, ".message_set_extension")
-		}
-
-		if !ext.desc.IsList() {
-			if err := w.writeSingularExtension(name, ext.val, ext.desc); err != nil {
-				return err
-			}
-		} else {
-			lv := ext.val.List()
-			for i := 0; i < lv.Len(); i++ {
-				if err := w.writeSingularExtension(name, lv.Get(i), ext.desc); err != nil {
-					return err
-				}
-			}
-		}
-	}
-	return nil
-}
-
-func (w *textWriter) writeSingularExtension(name string, v protoreflect.Value, fd protoreflect.FieldDescriptor) error {
-	fmt.Fprintf(w, "[%s]:", name)
-	if !w.compact {
-		w.WriteByte(' ')
-	}
-	if err := w.writeSingularValue(v, fd); err != nil {
-		return err
-	}
-	w.WriteByte('\n')
-	return nil
-}
-
-func (w *textWriter) writeIndent() {
-	if !w.complete {
-		return
-	}
-	for i := 0; i < w.indent*2; i++ {
-		w.buf = append(w.buf, ' ')
-	}
-	w.complete = false
-}
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Mike Dame	052d7e7cb0	(TEST): update helm chart	2020-07-22 14:21:36 -04:00
Mike Dame	6c5afc327b	(TEST): change helm workflow branches	2020-07-22 14:20:59 -04:00