Merge pull request #1158 from a7i/fix-plugin-arg-copy-release-1.27

fix plugin arg conversion when using multiple profiles with same plugin

.github/ci/ct.yaml

@@ -2,5 +2,4 @@ chart-dirs:
   - charts
 helm-extra-args: "--timeout=5m"
 check-version-increment: false
-helm-extra-set-args: "--set=kind=Deployment"
 target-branch: master

.github/workflows/helm.yaml

@@ -8,10 +8,12 @@ on:
     paths:
       - 'charts/**'
       - '.github/workflows/helm.yaml'
+      - '.github/ci/ct.yaml'
   pull_request:
     paths:
       - 'charts/**'
       - '.github/workflows/helm.yaml'
+      - '.github/ci/ct.yaml'
 
 jobs:
   lint-and-test:
@@ -33,7 +35,7 @@ jobs:
 
       - uses: actions/setup-go@v3
         with:
-          go-version: '1.19.0'
+          go-version: '1.20.3'
 
       - name: Set up chart-testing
         uses: helm/chart-testing-action@v2.2.1
@@ -57,11 +59,4 @@ jobs:
 
       # helm-extra-set-args only available after ct 3.6.0
       - name: Run chart-testing (install)
-        run: ct install --config=.github/ci/ct.yaml
-
-      - name: E2E after chart install
-        env:
-          KUBERNETES_VERSION: "v1.25.0"
-          KIND_E2E: true
-          SKIP_INSTALL: true
-        run: make test-e2e
+        run: ct install --config=.github/ci/ct.yaml --helm-extra-set-args='--set=kind=Deployment'

.github/workflows/manifests.yaml

@@ -0,0 +1,38 @@
+name: manifests
+
+on:
+  pull_request:
+
+jobs:
+  deploy:
+    strategy: 
+      matrix:
+        k8s-version: ["v1.26.0"]
+        descheduler-version: ["v0.26.1"]
+        descheduler-api: ["v1alpha1", "v1alpha2"]
+        manifest: ["deployment"]
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Repo
+        uses: actions/checkout@v3
+      - name: Create kind cluster
+        uses: helm/kind-action@v1.5.0
+        with:
+          node_image: kindest/node:${{ matrix.k8s-version }}
+          kubectl_version: ${{ matrix.k8s-version }}
+          config: test/kind-config.yaml
+      - name: Build image
+        run: |
+          VERSION="dev" make dev-image
+          docker tag descheduler:dev registry.k8s.io/descheduler/descheduler:${{ matrix.descheduler-version }}
+      - name: Kind load image
+        run: |
+          kind load docker-image registry.k8s.io/descheduler/descheduler:${{ matrix.descheduler-version }} --name chart-testing
+      - name: Create k8s manifests
+        run: |
+          kubectl create -f kubernetes/base/rbac.yaml
+          kubectl create -f test/manifests/${{ matrix.descheduler-api }}/configmap.yaml
+          kubectl create -f kubernetes/${{ matrix.manifest }}/${{ matrix.manifest }}.yaml
+      - name: Wait for ready condition
+        run: |
+          kubectl wait --for=condition=Available --timeout=60s ${{ matrix.manifest }} descheduler -n kube-system

.golangci.yml

@@ -5,11 +5,14 @@ linters:
   disable-all: true
   enable:
     - gofmt
+    - gofumpt
     - gosimple
     - gocyclo
     - misspell
     - govet
 
 linters-settings:
+  gofumpt:
+    extra-rules: true
   goimports:
 local-prefixes: sigs.k8s.io/descheduler

Dockerfile

@@ -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:1.19.0
+FROM golang:1.20.3
 
 WORKDIR /go/src/sigs.k8s.io/descheduler
 COPY . .

Makefile

@@ -26,9 +26,12 @@ ARCHS = amd64 arm arm64
 
 LDFLAGS=-ldflags "-X ${LDFLAG_LOCATION}.version=${VERSION} -X ${LDFLAG_LOCATION}.buildDate=${BUILD} -X ${LDFLAG_LOCATION}.gitbranch=${BRANCH} -X ${LDFLAG_LOCATION}.gitsha1=${SHA1}"
 
-GOLANGCI_VERSION := v1.49.0
+GOLANGCI_VERSION := v1.52.1
 HAS_GOLANGCI := $(shell ls _output/bin/golangci-lint 2> /dev/null)
 
+GOFUMPT_VERSION := v0.4.0
+HAS_GOFUMPT := $(shell command -v gofumpt 2> /dev/null)
+
 # REGISTRY is the container registry to push
 # into. The default is to push to the staging
 # registry, not production.
@@ -97,7 +100,7 @@ clean:
 	rm -rf _output
 	rm -rf _tmp
 
-verify: verify-govet verify-spelling verify-gofmt verify-vendor lint lint-chart verify-toc verify-gen
+verify: verify-govet verify-spelling verify-gofmt verify-vendor lint lint-chart verify-gen
 
 verify-govet:
 	./hack/verify-govet.sh
@@ -111,8 +114,8 @@ verify-gofmt:
 verify-vendor:
 	./hack/verify-vendor.sh
 
-verify-toc:
-	./hack/verify-toc.sh
+verify-docs:
+	./hack/verify-docs.sh
 
 test-unit:
 	./test/run-unit-tests.sh
@@ -124,12 +127,13 @@ gen:
 	./hack/update-generated-conversions.sh
 	./hack/update-generated-deep-copies.sh
 	./hack/update-generated-defaulters.sh
-	./hack/update-toc.sh
+	./hack/update-docs.sh
 
 verify-gen:
 	./hack/verify-conversions.sh
 	./hack/verify-deep-copies.sh
 	./hack/verify-defaulters.sh
+	./hack/verify-docs.sh
 
 lint:
 ifndef HAS_GOLANGCI
@@ -137,6 +141,12 @@ ifndef HAS_GOLANGCI
 endif
 	./_output/bin/golangci-lint run
 
+fmt:
+ifndef HAS_GOFUMPT
+	go install mvdan.cc/gofumpt@${GOFUMPT_VERSION}
+endif
+	gofumpt -w -extra .
+
 # helm
 
 ensure-helm-install:

OWNERS

@@ -3,6 +3,7 @@ approvers:
 - ingvagabund
 - seanmalloy
 - a7i
+- knelasevero
 reviewers:
 - damemi
 - seanmalloy
@@ -10,6 +11,7 @@ reviewers:
 - lixiang233
 - a7i
 - janeliul
+- knelasevero
 emeritus_approvers:
 - aveshagarwal
 - k82cn

README.md

@@ -1,6 +1,14 @@
 [![Go Report Card](https://goreportcard.com/badge/sigs.k8s.io/descheduler)](https://goreportcard.com/report/sigs.k8s.io/descheduler)
 ![Release Charts](https://github.com/kubernetes-sigs/descheduler/workflows/Release%20Charts/badge.svg)
 
+<p align="left">
+	↖️ Click at the [bullet list icon] at the top left corner of the Readme visualization for the github generated table of contents.
+</p>
+
+<p align="center">
+    <img src="assets/logo/descheduler-stacked-color.png" width="40%" align="center" alt="descheduler">
+</p>
+
 # Descheduler for Kubernetes
 
 Scheduling in Kubernetes is the process of binding pending pods to nodes, and is performed by
@@ -22,43 +30,23 @@ Descheduler, based on its policy, finds pods that can be moved and evicts them.
 note, in current implementation, descheduler does not schedule replacement of evicted pods
 but relies on the default scheduler for that.
 
-Table of Contents
-=================
-<!-- toc -->
-- [Quick Start](#quick-start)
-  - [Run As A Job](#run-as-a-job)
-  - [Run As A CronJob](#run-as-a-cronjob)
-  - [Run As A Deployment](#run-as-a-deployment)
-  - [Install Using Helm](#install-using-helm)
-  - [Install Using Kustomize](#install-using-kustomize)
-- [User Guide](#user-guide)
-- [Policy and Strategies](#policy-and-strategies)
-  - [RemoveDuplicates](#removeduplicates)
-  - [LowNodeUtilization](#lownodeutilization)
-  - [HighNodeUtilization](#highnodeutilization)
-  - [RemovePodsViolatingInterPodAntiAffinity](#removepodsviolatinginterpodantiaffinity)
-  - [RemovePodsViolatingNodeAffinity](#removepodsviolatingnodeaffinity)
-  - [RemovePodsViolatingNodeTaints](#removepodsviolatingnodetaints)
-  - [RemovePodsViolatingTopologySpreadConstraint](#removepodsviolatingtopologyspreadconstraint)
-  - [RemovePodsHavingTooManyRestarts](#removepodshavingtoomanyrestarts)
-  - [PodLifeTime](#podlifetime)
-  - [RemoveFailedPods](#removefailedpods)
-- [Filter Pods](#filter-pods)
-  - [Namespace filtering](#namespace-filtering)
-  - [Priority filtering](#priority-filtering)
-  - [Label filtering](#label-filtering)
-  - [Node Fit filtering](#node-fit-filtering)
-- [Pod Evictions](#pod-evictions)
-  - [Pod Disruption Budget (PDB)](#pod-disruption-budget-pdb)
-- [High Availability](#high-availability)
-  - [Configure HA Mode](#configure-ha-mode)
-- [Metrics](#metrics)
-- [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)
-<!-- /toc -->
+## ⚠️  Documentation Versions by Release
+
+If you are using a published release of Descheduler (such as
+`registry.k8s.io/descheduler/descheduler:v0.26.1`), follow the documentation in
+that version's release branch, as listed below:
+
+|Descheduler Version|Docs link|
+|---|---|
+|v0.27.x|[`release-1.27`](https://github.com/kubernetes-sigs/descheduler/blob/release-1.27/README.md)|
+|v0.26.x|[`release-1.26`](https://github.com/kubernetes-sigs/descheduler/blob/release-1.26/README.md)|
+|v0.25.x|[`release-1.25`](https://github.com/kubernetes-sigs/descheduler/blob/release-1.25/README.md)|
+|v0.24.x|[`release-1.24`](https://github.com/kubernetes-sigs/descheduler/blob/release-1.24/README.md)|
+
+The
+[`master`](https://github.com/kubernetes-sigs/descheduler/blob/master/README.md)
+branch is considered in-development and the information presented in it may not
+work for previous versions.
 
 ## Quick Start
 
@@ -101,58 +89,96 @@ The descheduler helm chart is also listed on the [artifact hub](https://artifact
 ### Install Using Kustomize
 
 You can use kustomize to install descheduler.
-See the [resources | Kustomize](https://kubectl.docs.kubernetes.io/references/kustomize/resource/) for detailed instructions.
+See the [resources | Kustomize](https://kubectl.docs.kubernetes.io/references/kustomize/cmd/build/) for detailed instructions.
 
 Run As A Job
 ```
-kustomize build 'github.com/kubernetes-sigs/descheduler/kubernetes/job?ref=v0.25.1' | kubectl apply -f -
+kustomize build 'github.com/kubernetes-sigs/descheduler/kubernetes/job?ref=v0.26.1' | kubectl apply -f -
 ```
 
 Run As A CronJob
 ```
-kustomize build 'github.com/kubernetes-sigs/descheduler/kubernetes/cronjob?ref=v0.25.1' | kubectl apply -f -
+kustomize build 'github.com/kubernetes-sigs/descheduler/kubernetes/cronjob?ref=v0.26.1' | kubectl apply -f -
 ```
 
 Run As A Deployment
 ```
-kustomize build 'github.com/kubernetes-sigs/descheduler/kubernetes/deployment?ref=v0.25.1' | kubectl apply -f -
+kustomize build 'github.com/kubernetes-sigs/descheduler/kubernetes/deployment?ref=v0.26.1' | kubectl apply -f -
 ```
 
 ## User Guide
 
 See the [user guide](docs/user-guide.md) in the `/docs` directory.
 
-## Policy and Strategies
+## Policy, Default Evictor and Strategy plugins
 
-Descheduler's policy is configurable and includes strategies that can be enabled or disabled. By default, all strategies are enabled.
+**⚠️ v1alpha1 configuration is still suported, but deprecated (and soon will be removed). Please consider migrating to v1alpha2 (described bellow). For previous v1alpha1 documentation go to [docs/deprecated/v1alpha1.md](docs/deprecated/v1alpha1.md) ⚠️**
 
-The policy includes a common configuration that applies to all the strategies:
-| Name | Default Value | Description |
-|------|---------------|-------------|
-| `nodeSelector` | `nil` | limiting the nodes which are processed |
-| `evictLocalStoragePods` | `false` | allows eviction of pods with local storage |
-| `evictSystemCriticalPods` | `false` | [Warning: Will evict Kubernetes system pods] allows eviction of pods with any priority, including system pods like kube-dns |
-| `ignorePvcPods` | `false` | set whether PVC pods should be evicted or ignored |
-| `maxNoOfPodsToEvictPerNode` | `nil` | maximum number of pods evicted from each node (summed through all strategies) |
-| `maxNoOfPodsToEvictPerNamespace` | `nil` | maximum number of pods evicted from each namespace (summed through all strategies) |
-| `evictFailedBarePods` | `false` | allow eviction of pods without owner references and in failed phase |
+The Descheduler Policy is configurable and includes default strategy plugins that can be enabled or disabled. It includes a common eviction configuration at the top level, as well as configuration from the Evictor plugin (Default Evictor, if not specified otherwise). Top-level configuration and Evictor plugin configuration are applied to all evictions.
 
-As part of the policy, the parameters associated with each strategy can be configured.
-See each strategy for details on available parameters.
+### Top Level configuration
+
+These are top level keys in the Descheduler Policy that you can use to configure all evictions.
+
+| Name |type| Default Value | Description |
+|------|----|---------------|-------------|
+| `nodeSelector` |`string`| `nil` | limiting the nodes which are processed. Only used when `nodeFit`=`true` and only by the PreEvictionFilter Extension Point |
+| `maxNoOfPodsToEvictPerNode` |`int`| `nil` | maximum number of pods evicted from each node (summed through all strategies) |
+| `maxNoOfPodsToEvictPerNamespace` |`int`| `nil` | maximum number of pods evicted from each namespace (summed through all strategies) |
+
+### Evictor Plugin configuration (Default Evictor)
+
+The Default Evictor Plugin is used by default for filtering pods before processing them in an strategy plugin, or for applying a PreEvictionFilter of pods before eviction. You can also create your own Evictor Plugin or use the Default one provided by Descheduler.  Other uses for the Evictor plugin can be to sort, filter, validate or group pods by different criteria, and that's why this is handled by a plugin and not configured in the top level config.
+
+| Name |type| Default Value | Description |
+|------|----|---------------|-------------|
+| `nodeSelector` |`string`| `nil` | limiting the nodes which are processed |
+| `evictLocalStoragePods` |`bool`| `false` | allows eviction of pods with local storage |
+| `evictSystemCriticalPods` |`bool`| `false` | [Warning: Will evict Kubernetes system pods] allows eviction of pods with any priority, including system pods like kube-dns |
+| `ignorePvcPods` |`bool`| `false` | set whether PVC pods should be evicted or ignored |
+| `evictFailedBarePods` |`bool`| `false` | allow eviction of pods without owner references and in failed phase |
+|`labelSelector`|`metav1.LabelSelector`||(see [label filtering](#label-filtering))|
+|`priorityThreshold`|`priorityThreshold`||(see [priority filtering](#priority-filtering))|
+|`nodeFit`|`bool`|`false`|(see [node fit filtering](#node-fit-filtering))|
+
+### Example policy
+
+As part of the policy, you will start deciding which top level configuration to use, then which Evictor plugin to use (if you have your own, the Default Evictor if not), followed by deciding the configuration passed to the Evictor Plugin. By default, the Default Evictor is enabled for both `filter` and `preEvictionFilter` extension points.  After that you will enable/disable eviction strategies plugins and configure them properly.
+
+See each strategy plugin section for details on available parameters.
 
 **Policy:**
 
 ```yaml
-apiVersion: "descheduler/v1alpha1"
+apiVersion: "descheduler/v1alpha2"
 kind: "DeschedulerPolicy"
-nodeSelector: prod=dev
-evictFailedBarePods: false
-evictLocalStoragePods: true
-evictSystemCriticalPods: true
-maxNoOfPodsToEvictPerNode: 40
-ignorePvcPods: false
-strategies:
-  ...
+nodeSelector: "node=node1" # you don't need to set this, if not set all will be processed
+maxNoOfPodsToEvictPerNode: 5000 # you don't need to set this, unlimited if not set
+maxNoOfPodsToEvictPerNamespace: 5000 # you don't need to set this, unlimited if not set
+profiles:
+  - name: ProfileName
+    pluginConfig:
+    - name: "DefaultEvictor"
+      args:
+        evictSystemCriticalPods: true
+        evictFailedBarePods: true
+        evictLocalStoragePods: true
+        nodeFit: true
+    plugins:
+      # DefaultEvictor is enabled for both `filter` and `preEvictionFilter`
+      # filter:
+      #   enabled:
+      #     - "DefaultEvictor"
+      # preEvictionFilter:
+      #   enabled:
+      #     - "DefaultEvictor"
+      deschedule:
+        enabled:
+          - ...
+      balance:
+        enabled:
+          - ...
+      [...]
 ```
 
 The following diagram provides a visualization of most of the strategies to help
@@ -160,9 +186,28 @@ categorize how strategies fit together.
 
 ![Strategies diagram](strategies_diagram.png)
 
+The following sections provide an overview of the different strategy plugins available. These plugins are grouped based on their implementation of extension points: Deschedule or Balance.
+
+Deschedule Plugins: These plugins process pods one by one, and evict them in a sequential manner.
+
+Balance Plugins: These plugins process all pods, or groups of pods, and determine which pods to evict based on how the group was intended to be spread.
+
+|Name|Extension Point Implemented|Description|
+|----|-----------|-----------|
+| [RemoveDuplicates](#removeduplicates) |Balance|Spreads replicas|
+| [LowNodeUtilization](#lownodeutilization) |Balance|Spreads pods according to pods resource requests and node resources available|
+| [HighNodeUtilization](#highnodeutilization) |Balance|Spreads pods according to pods resource requests and node resources available|
+| [RemovePodsViolatingInterPodAntiAffinity](#removepodsviolatinginterpodantiaffinity) |Deschedule|Evicts pods violating pod anti affinity|
+| [RemovePodsViolatingNodeAffinity](#removepodsviolatingnodeaffinity) |Deschedule|Evicts pods violating node affinity|
+| [RemovePodsViolatingNodeTaints](#removepodsviolatingnodetaints) |Deschedule|Evicts pods violating node taints|
+| [RemovePodsViolatingTopologySpreadConstraint](#removepodsviolatingtopologyspreadconstraint) |Balance|Evicts pods violating TopologySpreadConstraints|
+| [PodLifeTime](#podlifetime) |Deschedule|Evicts pods that have exceeded a specified age limit|
+| [RemoveFailedPods](#removefailedpods) |Deschedule|Evicts pods with certain failed reasons|
+
+
 ### RemoveDuplicates
 
-This strategy makes sure that there is only one pod associated with a ReplicaSet (RS),
+This strategy plugin makes sure that there is only one pod associated with a ReplicaSet (RS),
 ReplicationController (RC), StatefulSet, or Job running on the same node. If there are more,
 those duplicate pods are evicted for better spreading of pods in a cluster. This issue could happen
 if some nodes went down due to whatever reasons, and pods on them were moved to other nodes leading to
@@ -180,21 +225,22 @@ should include `ReplicaSet` to have pods created by Deployments excluded.
 |---|---|
 |`excludeOwnerKinds`|list(string)|
 |`namespaces`|(see [namespace filtering](#namespace-filtering))|
-|`thresholdPriority`|int (see [priority filtering](#priority-filtering))|
-|`thresholdPriorityClassName`|string (see [priority filtering](#priority-filtering))|
-|`nodeFit`|bool (see [node fit filtering](#node-fit-filtering))|
 
 **Example:**
 ```yaml
-apiVersion: "descheduler/v1alpha1"
+apiVersion: "descheduler/v1alpha2"
 kind: "DeschedulerPolicy"
-strategies:
-  "RemoveDuplicates":
-     enabled: true
-     params:
-       removeDuplicates:
-         excludeOwnerKinds:
-         - "ReplicaSet"
+profiles:
+  - name: ProfileName
+    pluginConfig:
+    - name: "RemoveDuplicates"
+      args:
+        excludeOwnerKinds:
+          - "ReplicaSet"
+    plugins:
+      balance:
+        enabled:
+          - "RemoveDuplicates"
 ```
 
 ### LowNodeUtilization
@@ -236,32 +282,34 @@ actual usage metrics. Implementing metrics-based descheduling is currently TODO
 
 |Name|Type|
 |---|---|
+|`useDeviationThresholds`|bool|
 |`thresholds`|map(string:int)|
 |`targetThresholds`|map(string:int)|
 |`numberOfNodes`|int|
-|`useDeviationThresholds`|bool|
-|`thresholdPriority`|int (see [priority filtering](#priority-filtering))|
-|`thresholdPriorityClassName`|string (see [priority filtering](#priority-filtering))|
-|`nodeFit`|bool (see [node fit filtering](#node-fit-filtering))|
+|`evictableNamespaces`|(see [namespace filtering](#namespace-filtering))|
 
 **Example:**
 
 ```yaml
-apiVersion: "descheduler/v1alpha1"
+apiVersion: "descheduler/v1alpha2"
 kind: "DeschedulerPolicy"
-strategies:
-  "LowNodeUtilization":
-     enabled: true
-     params:
-       nodeResourceUtilizationThresholds:
-         thresholds:
-           "cpu" : 20
-           "memory": 20
-           "pods": 20
-         targetThresholds:
-           "cpu" : 50
-           "memory": 50
-           "pods": 50
+profiles:
+  - name: ProfileName
+    pluginConfig:
+    - name: "LowNodeUtilization"
+      args:
+        thresholds:
+          "cpu" : 20
+          "memory": 20
+          "pods": 20
+        targetThresholds:
+          "cpu" : 50
+          "memory": 50
+          "pods": 50
+    plugins:
+      balance:
+        enabled:
+          - "LowNodeUtilization"
 ```
 
 Policy should pass the following validation checks:
@@ -286,6 +334,8 @@ trigger down scaling of under utilized nodes.
 This strategy **must** be used with the scheduler scoring strategy `MostAllocated`. The parameters of this strategy are
 configured under `nodeResourceUtilizationThresholds`.
 
+> Note: On GKE, it is not possible to customize the default scheduler config. Instead, you can use the [`optimze-utilization` autoscaling strategy](https://cloud.google.com/kubernetes-engine/docs/concepts/cluster-autoscaler#:~:text=The%20optimize%2Dutilization%20autoscaling%20profile,custom%20scheduler%20are%20not%20affected), which has the same effect as enabling the `MostAllocated` scheduler plugin. Alternatively, you can deploy a second custom scheduler and edit that scheduler's config yourself.
+
 The under utilization of nodes is determined by a configurable threshold `thresholds`. The threshold
 `thresholds` can be configured for cpu, memory, number of pods, and extended resources in terms of percentage. The percentage is
 calculated as the current resources requested on the node vs [total allocatable](https://kubernetes.io/docs/concepts/architecture/nodes/#capacity).
@@ -312,24 +362,31 @@ actual usage metrics. Implementing metrics-based descheduling is currently TODO
 |---|---|
 |`thresholds`|map(string:int)|
 |`numberOfNodes`|int|
-|`thresholdPriority`|int (see [priority filtering](#priority-filtering))|
-|`thresholdPriorityClassName`|string (see [priority filtering](#priority-filtering))|
-|`nodeFit`|bool (see [node fit filtering](#node-fit-filtering))|
+|`evictableNamespaces`|(see [namespace filtering](#namespace-filtering))|
 
 **Example:**
 
 ```yaml
-apiVersion: "descheduler/v1alpha1"
+apiVersion: "descheduler/v1alpha2"
 kind: "DeschedulerPolicy"
-strategies:
-  "HighNodeUtilization":
-     enabled: true
-     params:
-       nodeResourceUtilizationThresholds:
-         thresholds:
-           "cpu" : 20
-           "memory": 20
-           "pods": 20
+profiles:
+  - name: ProfileName
+    pluginConfig:
+    - name: "HighNodeUtilization"
+      args:
+        thresholds:
+          "cpu" : 20
+          "memory": 20
+          "pods": 20
+        evictableNamespaces:
+          namespaces:
+            exclude:
+            - "kube-system"
+            - "namespace1"
+    plugins:
+      balance:
+        enabled:
+          - "HighNodeUtilization"
 ```
 
 Policy should pass the following validation checks:
@@ -355,20 +412,22 @@ node.
 
 |Name|Type|
 |---|---|
-|`thresholdPriority`|int (see [priority filtering](#priority-filtering))|
-|`thresholdPriorityClassName`|string (see [priority filtering](#priority-filtering))|
 |`namespaces`|(see [namespace filtering](#namespace-filtering))|
 |`labelSelector`|(see [label filtering](#label-filtering))|
-|`nodeFit`|bool (see [node fit filtering](#node-fit-filtering))|
 
 **Example:**
 
 ```yaml
-apiVersion: "descheduler/v1alpha1"
+apiVersion: "descheduler/v1alpha2"
 kind: "DeschedulerPolicy"
-strategies:
-  "RemovePodsViolatingInterPodAntiAffinity":
-     enabled: true
+profiles:
+  - name: ProfileName
+    pluginConfig:
+    - name: "RemovePodsViolatingInterPodAntiAffinity"
+    plugins:
+      deschedule:
+        enabled:
+          - "RemovePodsViolatingInterPodAntiAffinity"
 ```
 
 ### RemovePodsViolatingNodeAffinity
@@ -394,23 +453,25 @@ podA gets evicted from nodeA.
 |Name|Type|
 |---|---|
 |`nodeAffinityType`|list(string)|
-|`thresholdPriority`|int (see [priority filtering](#priority-filtering))|
-|`thresholdPriorityClassName`|string (see [priority filtering](#priority-filtering))|
 |`namespaces`|(see [namespace filtering](#namespace-filtering))|
 |`labelSelector`|(see [label filtering](#label-filtering))|
-|`nodeFit`|bool (see [node fit filtering](#node-fit-filtering))|
 
 **Example:**
 
 ```yaml
-apiVersion: "descheduler/v1alpha1"
+apiVersion: "descheduler/v1alpha2"
 kind: "DeschedulerPolicy"
-strategies:
-  "RemovePodsViolatingNodeAffinity":
-    enabled: true
-    params:
-      nodeAffinityType:
-      - "requiredDuringSchedulingIgnoredDuringExecution"
+profiles:
+  - name: ProfileName
+    pluginConfig:
+    - name: "RemovePodsViolatingNodeAffinity"
+      args:
+        nodeAffinityType:
+        - "requiredDuringSchedulingIgnoredDuringExecution"
+    plugins:
+      deschedule:
+        enabled:
+          - "RemovePodsViolatingNodeAffinity"
 ```
 
 ### RemovePodsViolatingNodeTaints
@@ -431,24 +492,27 @@ excludedTaints entry "dedicated=special-user" would match taints with key "dedic
 |Name|Type|
 |---|---|
 |`excludedTaints`|list(string)|
-|`thresholdPriority`|int (see [priority filtering](#priority-filtering))|
-|`thresholdPriorityClassName`|string (see [priority filtering](#priority-filtering))|
+|`includePreferNoSchedule`|bool|
 |`namespaces`|(see [namespace filtering](#namespace-filtering))|
 |`labelSelector`|(see [label filtering](#label-filtering))|
-|`nodeFit`|bool (see [node fit filtering](#node-fit-filtering))|
 
 **Example:**
 
 ````yaml
-apiVersion: "descheduler/v1alpha1"
+apiVersion: "descheduler/v1alpha2"
 kind: "DeschedulerPolicy"
-strategies:
-  "RemovePodsViolatingNodeTaints":
-    enabled: true
-    params:
-      excludedTaints:
-      - dedicated=special-user # exclude taints with key "dedicated" and value "special-user"
-      - reserved # exclude all taints with key "reserved"
+profiles:
+  - name: ProfileName
+    pluginConfig:
+    - name: "RemovePodsViolatingNodeTaints"
+      args:
+        excludedTaints:
+        - dedicated=special-user # exclude taints with key "dedicated" and value "special-user"
+        - reserved # exclude all taints with key "reserved"
+    plugins:
+      deschedule:
+        enabled:
+          - "RemovePodsViolatingNodeTaints"
 ````
 
 ### RemovePodsViolatingTopologySpreadConstraint
@@ -467,22 +531,24 @@ Strategy parameter `labelSelector` is not utilized when balancing topology domai
 |Name|Type|
 |---|---|
 |`includeSoftConstraints`|bool|
-|`thresholdPriority`|int (see [priority filtering](#priority-filtering))|
-|`thresholdPriorityClassName`|string (see [priority filtering](#priority-filtering))|
 |`namespaces`|(see [namespace filtering](#namespace-filtering))|
 |`labelSelector`|(see [label filtering](#label-filtering))|
-|`nodeFit`|bool (see [node fit filtering](#node-fit-filtering))|
 
 **Example:**
 
 ```yaml
-apiVersion: "descheduler/v1alpha1"
+apiVersion: "descheduler/v1alpha2"
 kind: "DeschedulerPolicy"
-strategies:
-  "RemovePodsViolatingTopologySpreadConstraint":
-     enabled: true
-     params:
-       includeSoftConstraints: false
+profiles:
+  - name: ProfileName
+    pluginConfig:
+    - name: "RemovePodsViolatingTopologySpreadConstraint"
+      args:
+        includeSoftConstraints: false
+    plugins:
+      balance:
+        enabled:
+          - "RemovePodsViolatingTopologySpreadConstraint"
 ```
 
 
@@ -500,24 +566,25 @@ into that calculation.
 |---|---|
 |`podRestartThreshold`|int|
 |`includingInitContainers`|bool|
-|`thresholdPriority`|int (see [priority filtering](#priority-filtering))|
-|`thresholdPriorityClassName`|string (see [priority filtering](#priority-filtering))|
 |`namespaces`|(see [namespace filtering](#namespace-filtering))|
 |`labelSelector`|(see [label filtering](#label-filtering))|
-|`nodeFit`|bool (see [node fit filtering](#node-fit-filtering))|
 
 **Example:**
 
 ```yaml
-apiVersion: "descheduler/v1alpha1"
+apiVersion: "descheduler/v1alpha2"
 kind: "DeschedulerPolicy"
-strategies:
-  "RemovePodsHavingTooManyRestarts":
-     enabled: true
-     params:
-       podsHavingTooManyRestarts:
-         podRestartThreshold: 100
-         includingInitContainers: true
+profiles:
+  - name: ProfileName
+    pluginConfig:
+    - name: "RemovePodsHavingTooManyRestarts"
+      args:
+        podRestartThreshold: 100
+        includingInitContainers: true
+    plugins:
+      deschedule:
+        enabled:
+          - "RemovePodsHavingTooManyRestarts"
 ```
 
 ### PodLifeTime
@@ -536,27 +603,28 @@ Pods in any state (even `Running`) are considered for eviction.
 |Name|Type|Notes|
 |---|---|---|
 |`maxPodLifeTimeSeconds`|int||
-|`podStatusPhases`|list(string)|Deprecated in v0.25+ Use `states` instead|
 |`states`|list(string)|Only supported in v0.25+|
-|`thresholdPriority`|int (see [priority filtering](#priority-filtering))||
-|`thresholdPriorityClassName`|string (see [priority filtering](#priority-filtering))||
 |`namespaces`|(see [namespace filtering](#namespace-filtering))||
 |`labelSelector`|(see [label filtering](#label-filtering))||
 
 **Example:**
 
 ```yaml
-apiVersion: "descheduler/v1alpha1"
+apiVersion: "descheduler/v1alpha2"
 kind: "DeschedulerPolicy"
-strategies:
-  "PodLifeTime":
-     enabled: true
-     params:
-       podLifeTime:
-         maxPodLifeTimeSeconds: 86400
-         states:
-         - "Pending"
-         - "PodInitializing"
+profiles:
+  - name: ProfileName
+    pluginConfig:
+    - name: "PodLifeTime"
+      args:
+        maxPodLifeTimeSeconds: 86400
+        states:
+        - "Pending"
+        - "PodInitializing"
+    plugins:
+      deschedule:
+        enabled:
+          - "PodLifeTime"
 ```
 
 ### RemoveFailedPods
@@ -576,28 +644,29 @@ has any of these `Kind`s listed as an `OwnerRef`, that pod will not be considere
 |`excludeOwnerKinds`|list(string)|
 |`reasons`|list(string)|
 |`includingInitContainers`|bool|
-|`thresholdPriority`|int (see [priority filtering](#priority-filtering))|
-|`thresholdPriorityClassName`|string (see [priority filtering](#priority-filtering))|
 |`namespaces`|(see [namespace filtering](#namespace-filtering))|
 |`labelSelector`|(see [label filtering](#label-filtering))|
-|`nodeFit`|bool (see [node fit filtering](#node-fit-filtering))|
 
 **Example:**
 
 ```yaml
-apiVersion: "descheduler/v1alpha1"
+apiVersion: "descheduler/v1alpha2"
 kind: "DeschedulerPolicy"
-strategies:
-  "RemoveFailedPods":
-     enabled: true
-     params:
-       failedPods:
-         reasons:
-         - "NodeAffinity"
-         includingInitContainers: true
-         excludeOwnerKinds:
-         - "Job"
-         minPodLifetimeSeconds: 3600
+profiles:
+  - name: ProfileName
+    pluginConfig:
+    - name: "RemoveFailedPods"
+      args:
+        reasons:
+        - "NodeAffinity"
+        includingInitContainers: true
+        excludeOwnerKinds:
+        - "Job"
+        minPodLifetimeSeconds: 3600
+    plugins:
+      deschedule:
+        enabled:
+          - "RemoveFailedPods"
 ```
 
 ## Filter Pods
@@ -614,39 +683,51 @@ The following strategies accept a `namespaces` parameter which allows to specify
 * `RemovePodsViolatingTopologySpreadConstraint`
 * `RemoveFailedPods`
 
-For example:
+
+The following strategies accept a `evictableNamespaces` parameter which allows to specify a list of excluding namespaces:
+* `LowNodeUtilization` and `HighNodeUtilization` (Only filtered right before eviction)
+
+For example with PodLifeTime:
 
 ```yaml
-apiVersion: "descheduler/v1alpha1"
+apiVersion: "descheduler/v1alpha2"
 kind: "DeschedulerPolicy"
-strategies:
-  "PodLifeTime":
-     enabled: true
-     params:
-        podLifeTime:
-          maxPodLifeTimeSeconds: 86400
+profiles:
+  - name: ProfileName
+    pluginConfig:
+    - name: "PodLifeTime"
+      args:
+        maxPodLifeTimeSeconds: 86400
         namespaces:
           include:
           - "namespace1"
           - "namespace2"
+    plugins:
+      deschedule:
+        enabled:
+          - "PodLifeTime"
 ```
 
-In the examples `PodLifeTime` gets executed only over `namespace1` and `namespace2`.
+In the example `PodLifeTime` gets executed only over `namespace1` and `namespace2`.
 The similar holds for `exclude` field:
 
 ```yaml
-apiVersion: "descheduler/v1alpha1"
+apiVersion: "descheduler/v1alpha2"
 kind: "DeschedulerPolicy"
-strategies:
-  "PodLifeTime":
-     enabled: true
-     params:
-        podLifeTime:
-          maxPodLifeTimeSeconds: 86400
+profiles:
+  - name: ProfileName
+    pluginConfig:
+    - name: "PodLifeTime"
+      args:
+        maxPodLifeTimeSeconds: 86400
         namespaces:
           exclude:
           - "namespace1"
           - "namespace2"
+    plugins:
+      deschedule:
+        enabled:
+          - "PodLifeTime"
 ```
 
 The strategy gets executed over all namespaces but `namespace1` and `namespace2`.
@@ -655,47 +736,61 @@ 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
+Priority threshold can be configured via the Default Evictor Filter, and, only pods under the threshold can be evicted. You can
+specify this threshold by setting `priorityThreshold.name`(setting the threshold to the value of the given
+priority class) or `priorityThreshold.value`(directly setting the threshold) parameters. By default, this threshold
 is set to the value of `system-cluster-critical` priority class.
 
 Note: Setting `evictSystemCriticalPods` to true disables priority filtering entirely.
 
 E.g.
 
-Setting `thresholdPriority`
+Setting `priorityThreshold value`
 ```yaml
-apiVersion: "descheduler/v1alpha1"
+apiVersion: "descheduler/v1alpha2"
 kind: "DeschedulerPolicy"
-strategies:
-  "PodLifeTime":
-     enabled: true
-     params:
-        podLifeTime:
-          maxPodLifeTimeSeconds: 86400
-        thresholdPriority: 10000
+profiles:
+  - name: ProfileName
+    pluginConfig:
+    - name: "DefaultEvictor"
+      args:
+        priorityThreshold:
+          value: 10000
+    - name: "PodLifeTime"
+      args:
+        maxPodLifeTimeSeconds: 86400
+    plugins:
+      deschedule:
+        enabled:
+          - "PodLifeTime"
 ```
 
-Setting `thresholdPriorityClassName`
+Setting `Priority Threshold Class Name (priorityThreshold.name)`
 ```yaml
-apiVersion: "descheduler/v1alpha1"
+apiVersion: "descheduler/v1alpha2"
 kind: "DeschedulerPolicy"
-strategies:
-  "PodLifeTime":
-     enabled: true
-     params:
-        podLifeTime:
-          maxPodLifeTimeSeconds: 86400
-        thresholdPriorityClassName: "priorityclass1"
+profiles:
+  - name: ProfileName
+    pluginConfig:
+    - name: "DefaultEvictor"
+      args:
+        priorityThreshold:
+          name: "priorityClassName1"
+    - name: "PodLifeTime"
+      args:
+        maxPodLifeTimeSeconds: 86400
+    plugins:
+      deschedule:
+        enabled:
+          - "PodLifeTime"
 ```
 
-Note that you can't configure both `thresholdPriority` and `thresholdPriorityClassName`, if the given priority class
+Note that you can't configure both `priorityThreshold.name` and `priorityThreshold.value`, if the given priority class
 does not exist, descheduler won't create it and will throw an error.
 
 ### Label filtering
 
-The following strategies can configure a [standard kubernetes labelSelector](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.25/#labelselector-v1-meta)
+The following strategies can configure a [standard kubernetes labelSelector](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.26/#labelselector-v1-meta)
 to filter pods by their labels:
 
 * `PodLifeTime`
@@ -711,37 +806,30 @@ This allows running strategies among pods the descheduler is interested in.
 For example:
 
 ```yaml
-apiVersion: "descheduler/v1alpha1"
+apiVersion: "descheduler/v1alpha2"
 kind: "DeschedulerPolicy"
-strategies:
-  "PodLifeTime":
-    enabled: true
-    params:
-      podLifeTime:
+profiles:
+  - name: ProfileName
+    pluginConfig:
+    - name: "PodLifeTime"
+      args:
         maxPodLifeTimeSeconds: 86400
-      labelSelector:
-        matchLabels:
-          component: redis
-        matchExpressions:
-          - {key: tier, operator: In, values: [cache]}
-          - {key: environment, operator: NotIn, values: [dev]}
+        labelSelector:
+          matchLabels:
+            component: redis
+          matchExpressions:
+            - {key: tier, operator: In, values: [cache]}
+            - {key: environment, operator: NotIn, values: [dev]}
+    plugins:
+      deschedule:
+        enabled:
+          - "PodLifeTime"
 ```
 
 
 ### Node Fit filtering
 
-The following strategies accept a `nodeFit` boolean parameter which can optimize descheduling:
-* `RemoveDuplicates`
-* `LowNodeUtilization`
-* `HighNodeUtilization`
-* `RemovePodsViolatingInterPodAntiAffinity`
-* `RemovePodsViolatingNodeAffinity`
-* `RemovePodsViolatingNodeTaints`
-* `RemovePodsViolatingTopologySpreadConstraint`
-* `RemovePodsHavingTooManyRestarts`
-* `RemoveFailedPods`
-
- If set to `true` the descheduler will consider whether or not the pods that meet eviction criteria will fit on other nodes before evicting them. If a pod cannot be rescheduled to another node, it will not be evicted. Currently the following criteria are considered when setting `nodeFit` to `true`:
+ NodeFit can be configured via the Default Evictor Filter. If set to `true` the descheduler will consider whether or not the pods that meet eviction criteria will fit on other nodes before evicting them. If a pod cannot be rescheduled to another node, it will not be evicted. Currently the following criteria are considered when setting `nodeFit` to `true`:
 - A `nodeSelector` on the pod
 - Any `tolerations` on the pod and any `taints` on the other nodes
 - `nodeAffinity` on the pod
@@ -751,22 +839,21 @@ The following strategies accept a `nodeFit` boolean parameter which can optimize
 E.g.
 
 ```yaml
-apiVersion: "descheduler/v1alpha1"
+apiVersion: "descheduler/v1alpha2"
 kind: "DeschedulerPolicy"
-strategies:
-  "LowNodeUtilization":
-    enabled: true
-    params:
-      nodeFit: true
-      nodeResourceUtilizationThresholds:
-        thresholds:
-          "cpu": 20
-          "memory": 20
-          "pods": 20
-        targetThresholds:
-          "cpu": 50
-          "memory": 50
-          "pods": 50
+profiles:
+  - name: ProfileName
+    pluginConfig:
+    - name: "DefaultEvictor"
+      args:
+        nodeFit: true
+    - name: "PodLifeTime"
+      args:
+        maxPodLifeTimeSeconds: 86400
+    plugins:
+      deschedule:
+        enabled:
+          - "PodLifeTime"
 ```
 
 Note that node fit filtering references the current pod spec, and not that of it's owner.
@@ -791,6 +878,9 @@ best effort pods are evicted before burstable and guaranteed pods.
 * All types of pods with the annotation `descheduler.alpha.kubernetes.io/evict` are eligible for eviction. 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.
+  The annotation only affects internal descheduler checks.
+  The anti-disruption protection provided by the [/eviction](https://kubernetes.io/docs/concepts/scheduling-eviction/api-eviction/)
+  subresource is still respected.
 * Pods with a non-nil DeletionTimestamp are not evicted by default.
 
 Setting `--v=4` or greater on the Descheduler will log all reasons why any pod is not evictable.
@@ -838,6 +928,8 @@ packages that it is compiled with.
 
 | Descheduler | Supported Kubernetes Version |
 |-------------|------------------------------|
+| v0.27       | v1.27                        |
+| v0.26       | v1.26                        |
 | v0.25       | v1.25                        |
 | v0.24       | v1.24                        |
 | v0.23       | v1.23                        |

charts/descheduler/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v1
 name: descheduler
-version: 0.25.2
-appVersion: 0.25.1
+version: 0.27.0
+appVersion: 0.27.0
 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

charts/descheduler/README.md

@@ -43,45 +43,46 @@ 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                              |
-|-------------------------------------|-----------------------------------------------------------------------------------------------------------------------|--------------------------------------|
-| `kind`                              | Use as CronJob or Deployment                                                                                          | `CronJob`                            |
-| `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`                       |
-| `imagePullSecrets`                  | Docker repository secrets                                                                                             | `[]`                                 |
-| `nameOverride`                      | String to partially override `descheduler.fullname` template (will prepend the release name)                          | `""`                                 |
-| `fullnameOverride`                  | String to fully override `descheduler.fullname` template                                                              | `""`                                 |
-| `cronJobApiVersion`                 | CronJob API Group Version                                                                                             | `"batch/v1"`                         |
-| `schedule`                          | The cron schedule to run the _descheduler_ job on                                                                     | `"*/2 * * * *"`                      |
-| `startingDeadlineSeconds`           | If set, configure `startingDeadlineSeconds` for the _descheduler_ job                                                 | `nil`                                |
-| `successfulJobsHistoryLimit`        | If set, configure `successfulJobsHistoryLimit` for the _descheduler_ job                                              | `nil`                                |
-| `failedJobsHistoryLimit`            | If set, configure `failedJobsHistoryLimit` for the _descheduler_ job                                                  | `nil`                                |
-| `deschedulingInterval`              | If using kind:Deployment, sets time between consecutive descheduler executions.                                       | `5m`                                 |
-| `replicas`                          | The replica count for Deployment                                                                                      | `1`                                  |
-| `leaderElection`                    | The options for high availability when running replicated components                                                  | _see values.yaml_                    |
-| `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`                               |
-| `resources`                         | Descheduler container CPU and memory requests/limits                                                                  | _see values.yaml_                    |
-| `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`                                |
-| `serviceAccount.annotations`        | Specifies custom annotations for the serviceAccount                                                                   | `{}`                                 |
-| `podAnnotations`                    | Annotations to add to the descheduler Pods                                                                            | `{}`                                 |
-| `podLabels`                         | Labels to add to the descheduler Pods                                                                                 | `{}`                                 |
-| `nodeSelector`                      | Node selectors to run the descheduler cronjob/deployment on specific nodes                                            | `nil`                                |
-| `service.enabled`                   | If `true`, create a service for deployment                                                                            | `false`                              |
-| `serviceMonitor.enabled`            | If `true`, create a ServiceMonitor for deployment                                                                     | `false`                              |
-| `serviceMonitor.namespace`          | The namespace where Prometheus expects to find service monitors                                                       | `nil`                                |
-| `serviceMonitor.interval`           | The scrape interval. If not set, the Prometheus default scrape interval is used                                       | `nil`                                |
-| `serviceMonitor.honorLabels`        | Keeps the scraped data's labels when labels are on collisions with target labels.                                     | `true`                               |
-| `serviceMonitor.insecureSkipVerify` | Skip TLS certificate validation when scraping                                                                         | `true`                               |
-| `serviceMonitor.serverName`         | Name of the server to use when validating TLS certificate                                                             | `nil`                                |
-| `serviceMonitor.metricRelabelings`  | MetricRelabelConfigs to apply to samples after scraping, but before ingestion                                         | `[]`                                 |
-| `serviceMonitor.relabelings`        | RelabelConfigs to apply to samples before scraping                                                                    | `[]`                                 |
-| `affinity`                          | Node affinity to run the descheduler cronjob/deployment on specific nodes                                             | `nil`                                |
-| `tolerations`                       | tolerations to run the descheduler cronjob/deployment on specific nodes                                               | `nil`                                |
-| `suspend`                           | Set spec.suspend in descheduler cronjob                                                                               | `false`                              |
-| `commonLabels`                      | Labels to apply to all resources                                                                                      | `{}`                                 |
-| `livenessProbe`                     | Liveness probe configuration for the descheduler container                                                            | _see values.yaml_                    |
+| Parameter                           | Description                                                                                                           | Default                                   |
+| ----------------------------------- | --------------------------------------------------------------------------------------------------------------------- | ----------------------------------------- |
+| `kind`                              | Use as CronJob or Deployment                                                                                          | `CronJob`                                 |
+| `image.repository`                  | Docker repository to use                                                                                              | `registry.k8s.io/descheduler/descheduler` |
+| `image.tag`                         | Docker tag to use                                                                                                     | `v[chart appVersion]`                     |
+| `image.pullPolicy`                  | Docker image pull policy                                                                                              | `IfNotPresent`                            |
+| `imagePullSecrets`                  | Docker repository secrets                                                                                             | `[]`                                      |
+| `nameOverride`                      | String to partially override `descheduler.fullname` template (will prepend the release name)                          | `""`                                      |
+| `fullnameOverride`                  | String to fully override `descheduler.fullname` template                                                              | `""`                                      |
+| `cronJobApiVersion`                 | CronJob API Group Version                                                                                             | `"batch/v1"`                              |
+| `schedule`                          | The cron schedule to run the _descheduler_ job on                                                                     | `"*/2 * * * *"`                           |
+| `startingDeadlineSeconds`           | If set, configure `startingDeadlineSeconds` for the _descheduler_ job                                                 | `nil`                                     |
+| `successfulJobsHistoryLimit`        | If set, configure `successfulJobsHistoryLimit` for the _descheduler_ job                                              | `3`                                       |
+| `failedJobsHistoryLimit`            | If set, configure `failedJobsHistoryLimit` for the _descheduler_ job                                                  | `1`                                       |
+| `ttlSecondsAfterFinished`           | If set, configure `ttlSecondsAfterFinished` for the _descheduler_ job                                                 | `nil`                                     |
+| `deschedulingInterval`              | If using kind:Deployment, sets time between consecutive descheduler executions.                                       | `5m`                                      |
+| `replicas`                          | The replica count for Deployment                                                                                      | `1`                                       |
+| `leaderElection`                    | The options for high availability when running replicated components                                                  | _see values.yaml_                         |
+| `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`                                    |
+| `resources`                         | Descheduler container CPU and memory requests/limits                                                                  | _see values.yaml_                         |
+| `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`                                     |
+| `serviceAccount.annotations`        | Specifies custom annotations for the serviceAccount                                                                   | `{}`                                      |
+| `podAnnotations`                    | Annotations to add to the descheduler Pods                                                                            | `{}`                                      |
+| `podLabels`                         | Labels to add to the descheduler Pods                                                                                 | `{}`                                      |
+| `nodeSelector`                      | Node selectors to run the descheduler cronjob/deployment on specific nodes                                            | `nil`                                     |
+| `service.enabled`                   | If `true`, create a service for deployment                                                                            | `false`                                   |
+| `serviceMonitor.enabled`            | If `true`, create a ServiceMonitor for deployment                                                                     | `false`                                   |
+| `serviceMonitor.namespace`          | The namespace where Prometheus expects to find service monitors                                                       | `nil`                                     |
+| `serviceMonitor.interval`           | The scrape interval. If not set, the Prometheus default scrape interval is used                                       | `nil`                                     |
+| `serviceMonitor.honorLabels`        | Keeps the scraped data's labels when labels are on collisions with target labels.                                     | `true`                                    |
+| `serviceMonitor.insecureSkipVerify` | Skip TLS certificate validation when scraping                                                                         | `true`                                    |
+| `serviceMonitor.serverName`         | Name of the server to use when validating TLS certificate                                                             | `nil`                                     |
+| `serviceMonitor.metricRelabelings`  | MetricRelabelConfigs to apply to samples after scraping, but before ingestion                                         | `[]`                                      |
+| `serviceMonitor.relabelings`        | RelabelConfigs to apply to samples before scraping                                                                    | `[]`                                      |
+| `affinity`                          | Node affinity to run the descheduler cronjob/deployment on specific nodes                                             | `nil`                                     |
+| `tolerations`                       | tolerations to run the descheduler cronjob/deployment on specific nodes                                               | `nil`                                     |
+| `suspend`                           | Set spec.suspend in descheduler cronjob                                                                               | `false`                                   |
+| `commonLabels`                      | Labels to apply to all resources                                                                                      | `{}`                                      |
+| `livenessProbe`                     | Liveness probe configuration for the descheduler container                                                            | _see values.yaml_                         |

charts/descheduler/templates/NOTES.txt

@@ -4,4 +4,9 @@ Descheduler installed as a {{ .Values.kind }}.
 {{- if eq .Values.replicas 1.0}}
 WARNING: You set replica count as 1 and workload kind as Deployment however leaderElection is not enabled. Consider enabling Leader Election for HA mode.
 {{- end}}
+{{- if .Values.leaderElection }}
+{{- if and (hasKey .Values.cmdOptions "dry-run") (eq (get .Values.cmdOptions "dry-run") true) }}
+WARNING: You enabled DryRun mode, you can't use Leader Election.
+{{- end}}
+{{- end}}
 {{- end}}

charts/descheduler/templates/configmap.yaml

@@ -7,6 +7,6 @@ metadata:
     {{- include "descheduler.labels" . | nindent 4 }}
 data:
   policy.yaml: |
-    apiVersion: "descheduler/v1alpha1"
+    apiVersion: "{{ .Values.deschedulerPolicyAPIVersion }}"
     kind: "DeschedulerPolicy"
 {{ toYaml .Values.deschedulerPolicy | trim | indent 4 }}

charts/descheduler/templates/cronjob.yaml

@@ -23,6 +23,9 @@ spec:
   {{- end }}
   jobTemplate:
     spec:
+      {{- if .Values.ttlSecondsAfterFinished }}
+      ttlSecondsAfterFinished: {{ .Values.ttlSecondsAfterFinished }}
+      {{- end }}
       template:
         metadata:
           name: {{ template "descheduler.fullname" . }}
@@ -78,13 +81,7 @@ spec:
               resources:
                 {{- toYaml .Values.resources | nindent 16 }}
               securityContext:
-                allowPrivilegeEscalation: false
-                capabilities:
-                  drop:
-                    - ALL
-                privileged: false
-                readOnlyRootFilesystem: true
-                runAsNonRoot: true
+                {{- toYaml .Values.securityContext | nindent 16 }}
               volumeMounts:
                 - mountPath: /policy-dir
                   name: policy-volume

charts/descheduler/templates/deployment.yaml

@@ -65,13 +65,7 @@ spec:
           resources:
             {{- toYaml .Values.resources | nindent 12 }}
           securityContext:
-            allowPrivilegeEscalation: false
-            capabilities:
-              drop:
-                - ALL
-            privileged: false
-            readOnlyRootFilesystem: true
-            runAsNonRoot: true
+            {{- toYaml .Values.securityContext | nindent 12 }}
           volumeMounts:
             - mountPath: /policy-dir
               name: policy-volume

charts/descheduler/values.yaml

@@ -6,7 +6,7 @@
 kind: CronJob
 
 image:
-  repository: k8s.gcr.io/descheduler/descheduler
+  repository: registry.k8s.io/descheduler/descheduler
   # Overrides the image tag whose default is the chart version
   tag: ""
   pullPolicy: IfNotPresent
@@ -22,6 +22,16 @@ resources:
   #   cpu: 100m
   #   memory: 128Mi
 
+securityContext:
+  allowPrivilegeEscalation: false
+  capabilities:
+    drop:
+      - ALL
+  privileged: false
+  readOnlyRootFilesystem: true
+  runAsNonRoot: true
+  runAsUser: 1000
+
 nameOverride: ""
 fullnameOverride: ""
 
@@ -32,8 +42,9 @@ cronJobApiVersion: "batch/v1"
 schedule: "*/2 * * * *"
 suspend: false
 # startingDeadlineSeconds: 200
-# successfulJobsHistoryLimit: 1
+# successfulJobsHistoryLimit: 3
 # failedJobsHistoryLimit: 1
+# ttlSecondsAfterFinished 600
 
 # Required when running as a Deployment
 deschedulingInterval: 5m
@@ -46,6 +57,7 @@ replicas: 1
 
 # Specifies whether Leader Election resources should be created
 # Required when running as a Deployment
+# NOTE: Leader election can't be activated if DryRun enabled
 leaderElection: {}
 #  enabled: true
 #  leaseDuration: 15s
@@ -58,6 +70,9 @@ leaderElection: {}
 cmdOptions:
   v: 3
 
+# Recommended to use the latest Policy API version supported by the Descheduler app version
+deschedulerPolicyAPIVersion: "descheduler/v1alpha1"
+
 deschedulerPolicy:
   # nodeSelector: "key1=value1,key2=value2"
   # maxNoOfPodsToEvictPerNode: 10

cloudbuild.yaml

@@ -1,7 +1,7 @@
 # See https://cloud.google.com/cloud-build/docs/build-config
 
 # this must be specified in seconds. If omitted, defaults to 600s (10 mins)
-timeout: 1500s
+timeout: 3600s
 # this prevents errors if you don't use both _GIT_TAG and _PULL_BASE_REF,
 # or any new substitutions added in the future.
 options:

cmd/descheduler/app/options/options.go

@@ -85,9 +85,12 @@ func newDefaultComponentConfig() (*componentconfig.DeschedulerConfiguration, err
 func (rs *DeschedulerServer) AddFlags(fs *pflag.FlagSet) {
 	fs.StringVar(&rs.Logging.Format, "logging-format", "text", `Sets the log format. Permitted formats: "text", "json". Non-default formats don't honor these flags: --add-dir-header, --alsologtostderr, --log-backtrace-at, --log_dir, --log_file, --log_file_max_size, --logtostderr, --skip-headers, --skip-log-headers, --stderrthreshold, --log-flush-frequency.\nNon-default choices are currently alpha and subject to change without warning.`)
 	fs.DurationVar(&rs.DeschedulingInterval, "descheduling-interval", rs.DeschedulingInterval, "Time interval between two consecutive descheduler executions. Setting this value instructs the descheduler to run in a continuous loop at the interval specified.")
-	fs.StringVar(&rs.KubeconfigFile, "kubeconfig", rs.KubeconfigFile, "File with  kube configuration.")
+	fs.StringVar(&rs.ClientConnection.Kubeconfig, "kubeconfig", rs.ClientConnection.Kubeconfig, "File with kube configuration. Deprecated, use client-connection-kubeconfig instead.")
+	fs.StringVar(&rs.ClientConnection.Kubeconfig, "client-connection-kubeconfig", rs.ClientConnection.Kubeconfig, "File path to kube configuration for interacting with kubernetes apiserver.")
+	fs.Float32Var(&rs.ClientConnection.QPS, "client-connection-qps", rs.ClientConnection.QPS, "QPS to use for interacting with kubernetes apiserver.")
+	fs.Int32Var(&rs.ClientConnection.Burst, "client-connection-burst", rs.ClientConnection.Burst, "Burst to use for interacting with kubernetes apiserver.")
 	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.")
+	fs.BoolVar(&rs.DryRun, "dry-run", rs.DryRun, "Execute descheduler in dry run mode.")
 	fs.BoolVar(&rs.DisableMetrics, "disable-metrics", rs.DisableMetrics, "Disables metrics. The metrics are by default served through https://localhost:10258/metrics. Secure address, resp. port can be changed through --bind-address, resp. --secure-port flags.")
 
 	componentbaseoptions.BindLeaderElectionFlags(&rs.LeaderElection, fs)

cmd/descheduler/app/server.go

@@ -20,6 +20,7 @@ package app
 import (
 	"context"
 	"io"
+	"os"
 	"os/signal"
 	"syscall"
 
@@ -34,6 +35,7 @@ import (
 	"k8s.io/apiserver/pkg/server/mux"
 	restclient "k8s.io/client-go/rest"
 	registry "k8s.io/component-base/logs/api/v1"
+	jsonLog "k8s.io/component-base/logs/json"
 	_ "k8s.io/component-base/logs/json/register"
 	"k8s.io/component-base/metrics/legacyregistry"
 	"k8s.io/klog/v2"
@@ -42,7 +44,6 @@ import (
 // NewDeschedulerCommand creates a *cobra.Command object with default parameters
 func NewDeschedulerCommand(out io.Writer) *cobra.Command {
 	s, err := options.NewDeschedulerServer()
-
 	if err != nil {
 		klog.ErrorS(err, "unable to initialize server")
 	}
@@ -61,15 +62,20 @@ func NewDeschedulerCommand(out io.Writer) *cobra.Command {
 				klog.ErrorS(err, "failed to apply secure server configuration")
 				return
 			}
+
 			var factory registry.LogFormatFactory
+			if s.Logging.Format == "json" {
+				factory = jsonLog.Factory{}
+			}
+
 			if factory == nil {
 				klog.ClearLogger()
 			} else {
-				log, logrFlush := factory.Create(registry.LoggingConfiguration{
-					Format: s.Logging.Format,
-				})
-
-				defer logrFlush()
+				log, loggerControl := factory.Create(registry.LoggingConfiguration{
+					Format:    s.Logging.Format,
+					Verbosity: s.Logging.Verbosity,
+				}, registry.LoggingOptions{})
+				defer loggerControl.Flush()
 				klog.SetLogger(log)
 			}
 
@@ -107,3 +113,8 @@ func NewDeschedulerCommand(out io.Writer) *cobra.Command {
 func Run(ctx context.Context, rs *options.DeschedulerServer) error {
 	return descheduler.Run(ctx, rs)
 }
+
+func SetupLogs() {
+	klog.SetOutput(os.Stdout)
+	klog.InitFlags(nil)
+}

cmd/descheduler/app/version.go

@@ -24,7 +24,7 @@ import (
 )
 
 func NewVersionCommand() *cobra.Command {
-	var versionCmd = &cobra.Command{
+	versionCmd := &cobra.Command{
 		Use:   "version",
 		Short: "Version of descheduler",
 		Long:  `Prints the version of descheduler.`,

cmd/descheduler/descheduler.go

@@ -20,13 +20,13 @@ import (
 	"os"
 
 	"k8s.io/component-base/cli"
-	"k8s.io/klog/v2"
 	"sigs.k8s.io/descheduler/cmd/descheduler/app"
+	"sigs.k8s.io/descheduler/pkg/descheduler"
 )
 
 func init() {
-	klog.SetOutput(os.Stdout)
-	klog.InitFlags(nil)
+	app.SetupLogs()
+	descheduler.SetupPlugins()
 }
 
 func main() {

docs/cli/descheduler.md

@@ -0,0 +1,51 @@
+## descheduler
+
+descheduler
+
+### Synopsis
+
+The descheduler evicts pods which may be bound to less desired nodes
+
+```
+descheduler [flags]
+```
+
+### Options
+
+```
+      --bind-address ip                          The IP address on which to listen for the --secure-port port. The associated interface(s) must be reachable by the rest of the cluster, and by CLI/web clients. If blank or an unspecified address (0.0.0.0 or ::), all interfaces will be used. (default 0.0.0.0)
+      --cert-dir string                          The directory where the TLS certs are located. If --tls-cert-file and --tls-private-key-file are provided, this flag will be ignored. (default "apiserver.local.config/certificates")
+      --client-connection-burst int32            Burst to use for interacting with kubernetes apiserver.
+      --client-connection-kubeconfig string      File path to kube configuration for interacting with kubernetes apiserver.
+      --client-connection-qps float32            QPS to use for interacting with kubernetes apiserver.
+      --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.
+      --disable-metrics                          Disables metrics. The metrics are by default served through https://localhost:10258/metrics. Secure address, resp. port can be changed through --bind-address, resp. --secure-port flags.
+      --dry-run                                  Execute descheduler in dry run mode.
+  -h, --help                                     help for descheduler
+      --http2-max-streams-per-connection int     The limit that the server gives to clients for the maximum number of streams in an HTTP/2 connection. Zero means to use golang's default.
+      --kubeconfig string                        File with kube configuration. Deprecated, use client-connection-kubeconfig instead.
+      --leader-elect                             Start a leader election client and gain leadership before executing the main loop. Enable this when running replicated components for high availability.
+      --leader-elect-lease-duration duration     The duration that non-leader candidates will wait after observing a leadership renewal until attempting to acquire leadership of a led but unrenewed leader slot. This is effectively the maximum duration that a leader can be stopped before it is replaced by another candidate. This is only applicable if leader election is enabled. (default 2m17s)
+      --leader-elect-renew-deadline duration     The interval between attempts by the acting master to renew a leadership slot before it stops leading. This must be less than the lease duration. This is only applicable if leader election is enabled. (default 1m47s)
+      --leader-elect-resource-lock string        The type of resource object that is used for locking during leader election. Supported options are 'leases', 'endpointsleases' and 'configmapsleases'. (default "leases")
+      --leader-elect-resource-name string        The name of resource object that is used for locking during leader election. (default "descheduler")
+      --leader-elect-resource-namespace string   The namespace of resource object that is used for locking during leader election. (default "kube-system")
+      --leader-elect-retry-period duration       The duration the clients should wait between attempting acquisition and renewal of a leadership. This is only applicable if leader election is enabled. (default 26s)
+      --logging-format string                    Sets the log format. Permitted formats: "text", "json". Non-default formats don't honor these flags: --add-dir-header, --alsologtostderr, --log-backtrace-at, --log_dir, --log_file, --log_file_max_size, --logtostderr, --skip-headers, --skip-log-headers, --stderrthreshold, --log-flush-frequency.\nNon-default choices are currently alpha and subject to change without warning. (default "text")
+      --permit-address-sharing                   If true, SO_REUSEADDR will be used when binding the port. This allows binding to wildcard IPs like 0.0.0.0 and specific IPs in parallel, and it avoids waiting for the kernel to release sockets in TIME_WAIT state. [default=false]
+      --permit-port-sharing                      If true, SO_REUSEPORT will be used when binding the port, which allows more than one instance to bind on the same address and port. [default=false]
+      --policy-config-file string                File with descheduler policy configuration.
+      --secure-port int                          The port on which to serve HTTPS with authentication and authorization. If 0, don't serve HTTPS at all. (default 10258)
+      --tls-cert-file string                     File containing the default x509 Certificate for HTTPS. (CA cert, if any, concatenated after server cert). If HTTPS serving is enabled, and --tls-cert-file and --tls-private-key-file are not provided, a self-signed certificate and key are generated for the public address and saved to the directory specified by --cert-dir.
+      --tls-cipher-suites strings                Comma-separated list of cipher suites for the server. If omitted, the default Go cipher suites will be used. 
+                                                 Preferred values: TLS_AES_128_GCM_SHA256, TLS_AES_256_GCM_SHA384, TLS_CHACHA20_POLY1305_SHA256, TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA, TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA, TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384, TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305, TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256, TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA, TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256, TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA, TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384, TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305, TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256, TLS_RSA_WITH_AES_128_CBC_SHA, TLS_RSA_WITH_AES_128_GCM_SHA256, TLS_RSA_WITH_AES_256_CBC_SHA, TLS_RSA_WITH_AES_256_GCM_SHA384. 
+                                                 Insecure values: TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256, TLS_ECDHE_ECDSA_WITH_RC4_128_SHA, TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA, TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256, TLS_ECDHE_RSA_WITH_RC4_128_SHA, TLS_RSA_WITH_3DES_EDE_CBC_SHA, TLS_RSA_WITH_AES_128_CBC_SHA256, TLS_RSA_WITH_RC4_128_SHA.
+      --tls-min-version string                   Minimum TLS version supported. Possible values: VersionTLS10, VersionTLS11, VersionTLS12, VersionTLS13
+      --tls-private-key-file string              File containing the default x509 private key matching --tls-cert-file.
+      --tls-sni-cert-key namedCertKey            A pair of x509 certificate and private key file paths, optionally suffixed with a list of domain patterns which are fully qualified domain names, possibly with prefixed wildcard segments. The domain patterns also allow IP addresses, but IPs should only be used if the apiserver has visibility to the IP address requested by a client. If no domain patterns are provided, the names of the certificate are extracted. Non-wildcard matches trump over wildcard matches, explicit domain patterns trump over extracted names. For multiple key/certificate pairs, use the --tls-sni-cert-key multiple times. Examples: "example.crt,example.key" or "foo.crt,foo.key:*.foo.com,foo.com". (default [])
+```
+
+### SEE ALSO
+
+* [descheduler version](descheduler_version.md)	 - Version of descheduler
+

docs/cli/descheduler_version.md

@@ -0,0 +1,22 @@
+## descheduler version
+
+Version of descheduler
+
+### Synopsis
+
+Prints the version of descheduler.
+
+```
+descheduler version [flags]
+```
+
+### Options
+
+```
+  -h, --help   help for version
+```
+
+### SEE ALSO
+
+* [descheduler](descheduler.md)	 - descheduler
+

docs/contributor-guide.md

@@ -20,7 +20,7 @@ make
 
 Run descheduler.
 ```sh
-./_output/bin/descheduler --kubeconfig <path to kubeconfig> --policy-config-file <path-to-policy-file> --v 1
+./_output/bin/descheduler --client-connection-kubeconfig <path to kubeconfig> --policy-config-file <path-to-policy-file> --v 1
 ```
 
 View all CLI options.
@@ -39,6 +39,13 @@ make test-unit
 make test-e2e
 ```
 
+## Format Code
+
+After making changes in the code base, ensure that the code is formatted correctly:
+
+```
+make fmt
+```
 
 ## Build Helm Package locally
 
@@ -53,7 +60,7 @@ make build-helm
 To check linting of your changes in the helm chart locally you can run:
 
 ```
-make lint-helm
+make lint-chart
 ```
 
 ## Test helm changes locally with kind and ct

docs/deprecated/v1alpha1.md

@@ -0,0 +1,784 @@
+[![Go Report Card](https://goreportcard.com/badge/sigs.k8s.io/descheduler)](https://goreportcard.com/report/sigs.k8s.io/descheduler)
+![Release Charts](https://github.com/kubernetes-sigs/descheduler/workflows/Release%20Charts/badge.svg)
+
+<p align="center">
+    <img src="assets/logo/descheduler-stacked-color.png" width="40%" align="center" alt="descheduler">
+</p>
+
+# Descheduler for Kubernetes
+
+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
+rules, called predicates and priorities. The scheduler's decisions are influenced by its view of
+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.
+
+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
+=================
+<!-- toc -->
+- [Quick Start](#quick-start)
+  - [Run As A Job](#run-as-a-job)
+  - [Run As A CronJob](#run-as-a-cronjob)
+  - [Run As A Deployment](#run-as-a-deployment)
+  - [Install Using Helm](#install-using-helm)
+  - [Install Using Kustomize](#install-using-kustomize)
+- [User Guide](#user-guide)
+- [Policy and Strategies](#policy-and-strategies)
+  - [RemoveDuplicates](#removeduplicates)
+  - [LowNodeUtilization](#lownodeutilization)
+  - [HighNodeUtilization](#highnodeutilization)
+  - [RemovePodsViolatingInterPodAntiAffinity](#removepodsviolatinginterpodantiaffinity)
+  - [RemovePodsViolatingNodeAffinity](#removepodsviolatingnodeaffinity)
+  - [RemovePodsViolatingNodeTaints](#removepodsviolatingnodetaints)
+  - [RemovePodsViolatingTopologySpreadConstraint](#removepodsviolatingtopologyspreadconstraint)
+  - [RemovePodsHavingTooManyRestarts](#removepodshavingtoomanyrestarts)
+  - [PodLifeTime](#podlifetime)
+  - [RemoveFailedPods](#removefailedpods)
+- [Filter Pods](#filter-pods)
+  - [Namespace filtering](#namespace-filtering)
+  - [Priority filtering](#priority-filtering)
+  - [Label filtering](#label-filtering)
+  - [Node Fit filtering](#node-fit-filtering)
+- [Pod Evictions](#pod-evictions)
+  - [Pod Disruption Budget (PDB)](#pod-disruption-budget-pdb)
+- [High Availability](#high-availability)
+  - [Configure HA Mode](#configure-ha-mode)
+- [Metrics](#metrics)
+- [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)
+<!-- /toc -->
+
+## Quick Start
+
+The descheduler can be run as a `Job`, `CronJob`, or `Deployment` inside of a k8s cluster. It has the
+advantage of being able to be run multiple times without needing user intervention.
+The descheduler pod is run as a critical pod in the `kube-system` namespace to avoid
+being evicted by itself or by the kubelet.
+
+### Run As A Job
+
+```
+kubectl create -f kubernetes/base/rbac.yaml
+kubectl create -f kubernetes/base/configmap.yaml
+kubectl create -f kubernetes/job/job.yaml
+```
+
+### Run As A CronJob
+
+```
+kubectl create -f kubernetes/base/rbac.yaml
+kubectl create -f kubernetes/base/configmap.yaml
+kubectl create -f kubernetes/cronjob/cronjob.yaml
+```
+
+### Run As A Deployment
+
+```
+kubectl create -f kubernetes/base/rbac.yaml
+kubectl create -f kubernetes/base/configmap.yaml
+kubectl create -f kubernetes/deployment/deployment.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.
+
+The descheduler helm chart is also listed on the [artifact hub](https://artifacthub.io/packages/helm/descheduler/descheduler).
+
+### Install Using Kustomize
+
+You can use kustomize to install descheduler.
+See the [resources | Kustomize](https://kubectl.docs.kubernetes.io/references/kustomize/cmd/build/) for detailed instructions.
+
+Run As A Job
+```
+kustomize build 'github.com/kubernetes-sigs/descheduler/kubernetes/job?ref=v0.27.0' | kubectl apply -f -
+```
+
+Run As A CronJob
+```
+kustomize build 'github.com/kubernetes-sigs/descheduler/kubernetes/cronjob?ref=v0.27.0' | kubectl apply -f -
+```
+
+Run As A Deployment
+```
+kustomize build 'github.com/kubernetes-sigs/descheduler/kubernetes/deployment?ref=v0.27.0' | kubectl apply -f -
+```
+
+## User Guide
+
+See the [user guide](docs/user-guide.md) in the `/docs` directory.
+
+## Policy and Strategies
+
+Descheduler's policy is configurable and includes strategies that can be enabled or disabled. By default, all strategies are enabled.
+
+The policy includes a common configuration that applies to all the strategies:
+| Name | Default Value | Description |
+|------|---------------|-------------|
+| `nodeSelector` | `nil` | limiting the nodes which are processed |
+| `evictLocalStoragePods` | `false` | allows eviction of pods with local storage |
+| `evictSystemCriticalPods` | `false` | [Warning: Will evict Kubernetes system pods] allows eviction of pods with any priority, including system pods like kube-dns |
+| `ignorePvcPods` | `false` | set whether PVC pods should be evicted or ignored |
+| `maxNoOfPodsToEvictPerNode` | `nil` | maximum number of pods evicted from each node (summed through all strategies) |
+| `maxNoOfPodsToEvictPerNamespace` | `nil` | maximum number of pods evicted from each namespace (summed through all strategies) |
+| `evictFailedBarePods` | `false` | allow eviction of pods without owner references and in failed phase |
+
+As part of the policy, the parameters associated with each strategy can be configured.
+See each strategy for details on available parameters.
+
+**Policy:**
+
+```yaml
+apiVersion: "descheduler/v1alpha1"
+kind: "DeschedulerPolicy"
+nodeSelector: prod=dev
+evictFailedBarePods: false
+evictLocalStoragePods: true
+evictSystemCriticalPods: true
+maxNoOfPodsToEvictPerNode: 40
+ignorePvcPods: false
+strategies:
+  ...
+```
+
+The following diagram provides a visualization of most of the strategies to help
+categorize how strategies fit together.
+
+![Strategies diagram](strategies_diagram.png)
+
+### RemoveDuplicates
+
+This strategy makes sure that there is only one pod associated with a ReplicaSet (RS),
+ReplicationController (RC), StatefulSet, or Job running on the same node. If there are more,
+those duplicate pods are evicted for better spreading of pods in a cluster. This issue could happen
+if some nodes went down due to whatever reasons, and pods on them were moved to other nodes leading to
+more than one pod associated with a RS or RC, for example, running on the same node. Once the failed nodes
+are ready again, this strategy could be enabled to evict those duplicate pods.
+
+It provides one optional parameter, `excludeOwnerKinds`, which is a list of OwnerRef `Kind`s. If a pod
+has any of these `Kind`s listed as an `OwnerRef`, that pod will not be considered for eviction. Note that
+pods created by Deployments are considered for eviction by this strategy. The `excludeOwnerKinds` parameter
+should include `ReplicaSet` to have pods created by Deployments excluded.
+
+**Parameters:**
+
+|Name|Type|
+|---|---|
+|`excludeOwnerKinds`|list(string)|
+|`namespaces`|(see [namespace filtering](#namespace-filtering))|
+|`thresholdPriority`|int (see [priority filtering](#priority-filtering))|
+|`thresholdPriorityClassName`|string (see [priority filtering](#priority-filtering))|
+|`nodeFit`|bool (see [node fit filtering](#node-fit-filtering))|
+
+**Example:**
+```yaml
+apiVersion: "descheduler/v1alpha1"
+kind: "DeschedulerPolicy"
+strategies:
+  "RemoveDuplicates":
+     enabled: true
+     params:
+       removeDuplicates:
+         excludeOwnerKinds:
+         - "ReplicaSet"
+```
+
+### LowNodeUtilization
+
+This strategy finds nodes that are under utilized and evicts pods, if possible, from other nodes
+in the hope that recreation of evicted pods will be scheduled on these underutilized nodes. The
+parameters of this strategy are configured under `nodeResourceUtilizationThresholds`.
+
+The under utilization of nodes is determined by a configurable threshold `thresholds`. The threshold
+`thresholds` can be configured for cpu, memory, number of pods, and extended resources in terms of percentage (the percentage is
+calculated as the current resources requested on the node vs [total allocatable](https://kubernetes.io/docs/concepts/architecture/nodes/#capacity).
+For pods, this means the number of pods on the node as a fraction of the pod capacity set for that node).
+
+If a node's usage is below threshold for all (cpu, memory, number of pods and extended resources), the node is considered underutilized.
+Currently, pods request resource requirements are considered for computing node resource utilization.
+
+There is another configurable threshold, `targetThresholds`, that is used to compute those potential nodes
+from where pods could be evicted. If a node's usage is above targetThreshold for any (cpu, memory, number of pods, or extended resources),
+the node is considered over utilized. Any node between the thresholds, `thresholds` and `targetThresholds` is
+considered appropriately utilized and is not considered for eviction. The threshold, `targetThresholds`,
+can be configured for cpu, memory, and number of pods too in terms of percentage.
+
+These thresholds, `thresholds` and `targetThresholds`, could be tuned as per your cluster requirements. Note that this
+strategy evicts pods from `overutilized nodes` (those with usage above `targetThresholds`) to `underutilized nodes`
+(those with usage below `thresholds`), it will abort if any number of `underutilized nodes` or `overutilized nodes` is zero.
+
+Additionally, the strategy accepts a `useDeviationThresholds` parameter.
+If that parameter is set to `true`, the thresholds are considered as percentage deviations from mean resource usage.
+`thresholds` will be deducted from the mean among all nodes and `targetThresholds` will be added to the mean.
+A resource consumption above (resp. below) this window is considered as overutilization (resp. underutilization).
+
+**NOTE:** Node resource consumption is determined by the requests and limits of pods, not actual usage.
+This approach is chosen in order to maintain consistency with the kube-scheduler, which follows the same
+design for scheduling pods onto nodes. This means that resource usage as reported by Kubelet (or commands
+like `kubectl top`) may differ from the calculated consumption, due to these components reporting
+actual usage metrics. Implementing metrics-based descheduling is currently TODO for the project.
+
+**Parameters:**
+
+|Name|Type|
+|---|---|
+|`thresholds`|map(string:int)|
+|`targetThresholds`|map(string:int)|
+|`numberOfNodes`|int|
+|`useDeviationThresholds`|bool|
+|`thresholdPriority`|int (see [priority filtering](#priority-filtering))|
+|`thresholdPriorityClassName`|string (see [priority filtering](#priority-filtering))|
+|`nodeFit`|bool (see [node fit filtering](#node-fit-filtering))|
+|`Namespaces`|(see [namespace filtering](#namespace-filtering))|
+
+**Example:**
+
+```yaml
+apiVersion: "descheduler/v1alpha1"
+kind: "DeschedulerPolicy"
+strategies:
+  "LowNodeUtilization":
+     enabled: true
+     params:
+       nodeResourceUtilizationThresholds:
+         thresholds:
+           "cpu" : 20
+           "memory": 20
+           "pods": 20
+         targetThresholds:
+           "cpu" : 50
+           "memory": 50
+           "pods": 50
+```
+
+Policy should pass the following validation checks:
+* Three basic native types of resources are supported: `cpu`, `memory` and `pods`.
+If any of these resource types is not specified, all its thresholds default to 100% to avoid nodes going from underutilized to overutilized.
+* Extended resources are supported. For example, resource type `nvidia.com/gpu` is specified for GPU node utilization. Extended resources are optional,
+and will not be used to compute node's usage if it's not specified in `thresholds` and `targetThresholds` explicitly.
+* `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.
+
+There is another parameter associated with the `LowNodeUtilization` strategy, called `numberOfNodes`.
+This parameter can be configured to activate the strategy only when the number of under utilized nodes
+are above the configured value. This could be helpful in large clusters where a few nodes could go
+under utilized frequently or for a short period of time. By default, `numberOfNodes` is set to zero.
+
+### HighNodeUtilization
+
+This strategy finds nodes that are under utilized and evicts pods from the nodes in the hope that these pods will be
+scheduled compactly into fewer nodes.  Used in conjunction with node auto-scaling, this strategy is intended to help
+trigger down scaling of under utilized nodes.
+This strategy **must** be used with the scheduler scoring strategy `MostAllocated`. The parameters of this strategy are
+configured under `nodeResourceUtilizationThresholds`.
+
+The under utilization of nodes is determined by a configurable threshold `thresholds`. The threshold
+`thresholds` can be configured for cpu, memory, number of pods, and extended resources in terms of percentage. The percentage is
+calculated as the current resources requested on the node vs [total allocatable](https://kubernetes.io/docs/concepts/architecture/nodes/#capacity).
+For pods, this means the number of pods on the node as a fraction of the pod capacity set for that node.
+
+If a node's usage is below threshold for all (cpu, memory, number of pods and extended resources), the node is considered underutilized.
+Currently, pods request resource requirements are considered for computing node resource utilization.
+Any node above `thresholds` is considered appropriately utilized and is not considered for eviction.
+
+The `thresholds` param could be tuned as per your cluster requirements. Note that this
+strategy evicts pods from `underutilized nodes` (those with usage below `thresholds`)
+so that they can be recreated in appropriately utilized nodes.
+The strategy will abort if any number of `underutilized nodes` or `appropriately utilized nodes` is zero.
+
+**NOTE:** Node resource consumption is determined by the requests and limits of pods, not actual usage.
+This approach is chosen in order to maintain consistency with the kube-scheduler, which follows the same
+design for scheduling pods onto nodes. This means that resource usage as reported by Kubelet (or commands
+like `kubectl top`) may differ from the calculated consumption, due to these components reporting
+actual usage metrics. Implementing metrics-based descheduling is currently TODO for the project.
+
+**Parameters:**
+
+|Name|Type|
+|---|---|
+|`thresholds`|map(string:int)|
+|`numberOfNodes`|int|
+|`thresholdPriority`|int (see [priority filtering](#priority-filtering))|
+|`thresholdPriorityClassName`|string (see [priority filtering](#priority-filtering))|
+|`nodeFit`|bool (see [node fit filtering](#node-fit-filtering))|
+|`Namespaces`|(see [namespace filtering](#namespace-filtering))|
+
+**Example:**
+
+```yaml
+apiVersion: "descheduler/v1alpha1"
+kind: "DeschedulerPolicy"
+strategies:
+  "HighNodeUtilization":
+     enabled: true
+     params:
+       nodeResourceUtilizationThresholds:
+         thresholds:
+           "cpu" : 20
+           "memory": 20
+           "pods": 20
+```
+
+Policy should pass the following validation checks:
+* Three basic native types of resources are supported: `cpu`, `memory` and `pods`. If any of these resource types is not specified, all its thresholds default to 100%.
+* Extended resources are supported. For example, resource type `nvidia.com/gpu` is specified for GPU node utilization. Extended resources are optional, and will not be used to compute node's usage if it's not specified in `thresholds` explicitly.
+* `thresholds` can not be nil.
+* The valid range of the resource's percentage value is \[0, 100\]
+
+There is another parameter associated with the `HighNodeUtilization` strategy, called `numberOfNodes`.
+This parameter can be configured to activate the strategy only when the number of under utilized nodes
+is above the configured value. This could be helpful in large clusters where a few nodes could go
+under utilized frequently or for a short period of time. By default, `numberOfNodes` is set to zero.
+
+### RemovePodsViolatingInterPodAntiAffinity
+
+This strategy makes sure that pods violating interpod anti-affinity are removed from nodes. For example,
+if there is podA on a node and podB and podC (running on the same node) have anti-affinity rules which prohibit
+them to run on the same node, then podA will be evicted from the node so that podB and podC could run. This
+issue could happen, when the anti-affinity rules for podB and podC are created when they are already running on
+node.
+
+**Parameters:**
+
+|Name|Type|
+|---|---|
+|`thresholdPriority`|int (see [priority filtering](#priority-filtering))|
+|`thresholdPriorityClassName`|string (see [priority filtering](#priority-filtering))|
+|`namespaces`|(see [namespace filtering](#namespace-filtering))|
+|`labelSelector`|(see [label filtering](#label-filtering))|
+|`nodeFit`|bool (see [node fit filtering](#node-fit-filtering))|
+
+**Example:**
+
+```yaml
+apiVersion: "descheduler/v1alpha1"
+kind: "DeschedulerPolicy"
+strategies:
+  "RemovePodsViolatingInterPodAntiAffinity":
+     enabled: true
+```
+
+### RemovePodsViolatingNodeAffinity
+
+This strategy makes sure all pods violating
+[node affinity](https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#node-affinity)
+are eventually removed from nodes. Node affinity rules allow a pod to specify
+`requiredDuringSchedulingIgnoredDuringExecution` type, which tells the scheduler
+to respect node affinity when scheduling the pod but kubelet to ignore
+in case node changes over time and no longer respects the affinity.
+When enabled, the strategy serves as a temporary implementation
+of `requiredDuringSchedulingRequiredDuringExecution` and evicts pod for kubelet
+that no longer respects node affinity.
+
+For example, there is podA scheduled on nodeA which satisfies the node
+affinity rule `requiredDuringSchedulingIgnoredDuringExecution` at the time
+of scheduling. Over time nodeA stops to satisfy the rule. When the strategy gets
+executed and there is another node available that satisfies the node affinity rule,
+podA gets evicted from nodeA.
+
+**Parameters:**
+
+|Name|Type|
+|---|---|
+|`nodeAffinityType`|list(string)|
+|`thresholdPriority`|int (see [priority filtering](#priority-filtering))|
+|`thresholdPriorityClassName`|string (see [priority filtering](#priority-filtering))|
+|`namespaces`|(see [namespace filtering](#namespace-filtering))|
+|`labelSelector`|(see [label filtering](#label-filtering))|
+|`nodeFit`|bool (see [node fit filtering](#node-fit-filtering))|
+
+**Example:**
+
+```yaml
+apiVersion: "descheduler/v1alpha1"
+kind: "DeschedulerPolicy"
+strategies:
+  "RemovePodsViolatingNodeAffinity":
+    enabled: true
+    params:
+      nodeAffinityType:
+      - "requiredDuringSchedulingIgnoredDuringExecution"
+```
+
+### 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
+node. If the node's taint is subsequently updated/removed, taint is no longer satisfied by its pods' tolerations
+and will be evicted.
+
+Node taints can be excluded from consideration by specifying a list of excludedTaints. If a node taint key **or**
+key=value matches an excludedTaints entry, the taint will be ignored.
+
+For example, excludedTaints entry "dedicated" would match all taints with key "dedicated", regardless of value.
+excludedTaints entry "dedicated=special-user" would match taints with key "dedicated" and value "special-user".
+
+**Parameters:**
+
+|Name|Type|
+|---|---|
+|`excludedTaints`|list(string)|
+|`thresholdPriority`|int (see [priority filtering](#priority-filtering))|
+|`thresholdPriorityClassName`|string (see [priority filtering](#priority-filtering))|
+|`namespaces`|(see [namespace filtering](#namespace-filtering))|
+|`labelSelector`|(see [label filtering](#label-filtering))|
+|`nodeFit`|bool (see [node fit filtering](#node-fit-filtering))|
+
+**Example:**
+
+````yaml
+apiVersion: "descheduler/v1alpha1"
+kind: "DeschedulerPolicy"
+strategies:
+  "RemovePodsViolatingNodeTaints":
+    enabled: true
+    params:
+      excludedTaints:
+      - dedicated=special-user # exclude taints with key "dedicated" and value "special-user"
+      - reserved # exclude all taints with key "reserved"
+````
+
+### RemovePodsViolatingTopologySpreadConstraint
+
+This strategy makes sure that pods violating [topology spread constraints](https://kubernetes.io/docs/concepts/workloads/pods/pod-topology-spread-constraints/)
+are evicted from nodes. Specifically, it tries to evict the minimum number of pods required to balance topology domains to within each constraint's `maxSkew`.
+This strategy requires k8s version 1.18 at a minimum.
+
+By default, this strategy only deals with hard constraints, setting parameter `includeSoftConstraints` to `true` will
+include soft constraints.
+
+Strategy parameter `labelSelector` is not utilized when balancing topology domains and is only applied during eviction to determine if the pod can be evicted.
+
+**Parameters:**
+
+|Name|Type|
+|---|---|
+|`includeSoftConstraints`|bool|
+|`thresholdPriority`|int (see [priority filtering](#priority-filtering))|
+|`thresholdPriorityClassName`|string (see [priority filtering](#priority-filtering))|
+|`namespaces`|(see [namespace filtering](#namespace-filtering))|
+|`labelSelector`|(see [label filtering](#label-filtering))|
+|`nodeFit`|bool (see [node fit filtering](#node-fit-filtering))|
+
+**Example:**
+
+```yaml
+apiVersion: "descheduler/v1alpha1"
+kind: "DeschedulerPolicy"
+strategies:
+  "RemovePodsViolatingTopologySpreadConstraint":
+     enabled: true
+     params:
+       includeSoftConstraints: false
+```
+
+
+### RemovePodsHavingTooManyRestarts
+
+This strategy makes sure that pods having too many restarts are removed from nodes. For example a pod with EBS/PD that
+can't get the volume/disk attached to the instance, then the pod should be re-scheduled to other nodes. Its parameters
+include `podRestartThreshold`, which is the number of restarts (summed over all eligible containers) at which a pod
+should be evicted, and `includingInitContainers`, which determines whether init container restarts should be factored
+into that calculation.
+
+**Parameters:**
+
+|Name|Type|
+|---|---|
+|`podRestartThreshold`|int|
+|`includingInitContainers`|bool|
+|`thresholdPriority`|int (see [priority filtering](#priority-filtering))|
+|`thresholdPriorityClassName`|string (see [priority filtering](#priority-filtering))|
+|`namespaces`|(see [namespace filtering](#namespace-filtering))|
+|`labelSelector`|(see [label filtering](#label-filtering))|
+|`nodeFit`|bool (see [node fit filtering](#node-fit-filtering))|
+
+**Example:**
+
+```yaml
+apiVersion: "descheduler/v1alpha1"
+kind: "DeschedulerPolicy"
+strategies:
+  "RemovePodsHavingTooManyRestarts":
+     enabled: true
+     params:
+       podsHavingTooManyRestarts:
+         podRestartThreshold: 100
+         includingInitContainers: true
+```
+
+### PodLifeTime
+
+This strategy evicts pods that are older than `maxPodLifeTimeSeconds`.
+
+You can also specify `states` parameter to **only** evict pods matching the following conditions:
+  - [Pod Phase](https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle/#pod-phase) status of: `Running`, `Pending`
+  - [Container State Waiting](https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle/#container-state-waiting) condition of: `PodInitializing`, `ContainerCreating`
+
+If a value for `states` or `podStatusPhases` is not specified,
+Pods in any state (even `Running`) are considered for eviction.
+
+**Parameters:**
+
+|Name|Type|Notes|
+|---|---|---|
+|`maxPodLifeTimeSeconds`|int||
+|`podStatusPhases`|list(string)|Deprecated in v0.25+ Use `states` instead|
+|`states`|list(string)|Only supported in v0.25+|
+|`thresholdPriority`|int (see [priority filtering](#priority-filtering))||
+|`thresholdPriorityClassName`|string (see [priority filtering](#priority-filtering))||
+|`namespaces`|(see [namespace filtering](#namespace-filtering))||
+|`labelSelector`|(see [label filtering](#label-filtering))||
+
+**Example:**
+
+```yaml
+apiVersion: "descheduler/v1alpha1"
+kind: "DeschedulerPolicy"
+strategies:
+  "PodLifeTime":
+     enabled: true
+     params:
+       podLifeTime:
+         maxPodLifeTimeSeconds: 86400
+         states:
+         - "Pending"
+         - "PodInitializing"
+```
+
+### RemoveFailedPods
+
+This strategy evicts pods that are in failed status phase.
+You can provide an optional parameter to filter by failed `reasons`.
+`reasons` can be expanded to include reasons of InitContainers as well by setting the optional parameter `includingInitContainers` to `true`.
+You can specify an optional parameter `minPodLifetimeSeconds` to evict pods that are older than specified seconds.
+Lastly, you can specify the optional parameter `excludeOwnerKinds` and if a pod
+has any of these `Kind`s listed as an `OwnerRef`, that pod will not be considered for eviction.
+
+**Parameters:**
+
+|Name|Type|
+|---|---|
+|`minPodLifetimeSeconds`|uint|
+|`excludeOwnerKinds`|list(string)|
+|`reasons`|list(string)|
+|`includingInitContainers`|bool|
+|`thresholdPriority`|int (see [priority filtering](#priority-filtering))|
+|`thresholdPriorityClassName`|string (see [priority filtering](#priority-filtering))|
+|`namespaces`|(see [namespace filtering](#namespace-filtering))|
+|`labelSelector`|(see [label filtering](#label-filtering))|
+|`nodeFit`|bool (see [node fit filtering](#node-fit-filtering))|
+
+**Example:**
+
+```yaml
+apiVersion: "descheduler/v1alpha1"
+kind: "DeschedulerPolicy"
+strategies:
+  "RemoveFailedPods":
+     enabled: true
+     params:
+       failedPods:
+         reasons:
+         - "NodeAffinity"
+         includingInitContainers: true
+         excludeOwnerKinds:
+         - "Job"
+         minPodLifetimeSeconds: 3600
+```
+
+## Filter Pods
+
+### Namespace filtering
+
+The following strategies accept a `namespaces` parameter which allows to specify a list of including, resp. excluding namespaces:
+* `PodLifeTime`
+* `RemovePodsHavingTooManyRestarts`
+* `RemovePodsViolatingNodeTaints`
+* `RemovePodsViolatingNodeAffinity`
+* `RemovePodsViolatingInterPodAntiAffinity`
+* `RemoveDuplicates`
+* `RemovePodsViolatingTopologySpreadConstraint`
+* `RemoveFailedPods`
+* `LowNodeUtilization` and `HighNodeUtilization` (Only filtered right before eviction)
+
+For example:
+
+```yaml
+apiVersion: "descheduler/v1alpha1"
+kind: "DeschedulerPolicy"
+strategies:
+  "PodLifeTime":
+     enabled: true
+     params:
+        podLifeTime:
+          maxPodLifeTimeSeconds: 86400
+        namespaces:
+          include:
+          - "namespace1"
+          - "namespace2"
+```
+
+In the examples `PodLifeTime` gets executed only over `namespace1` and `namespace2`.
+The similar holds for `exclude` field:
+
+```yaml
+apiVersion: "descheduler/v1alpha1"
+kind: "DeschedulerPolicy"
+strategies:
+  "PodLifeTime":
+     enabled: true
+     params:
+        podLifeTime:
+          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.
+
+Note: Setting `evictSystemCriticalPods` to true disables priority filtering entirely.
+
+E.g.
+
+Setting `thresholdPriority`
+```yaml
+apiVersion: "descheduler/v1alpha1"
+kind: "DeschedulerPolicy"
+strategies:
+  "PodLifeTime":
+     enabled: true
+     params:
+        podLifeTime:
+          maxPodLifeTimeSeconds: 86400
+        thresholdPriority: 10000
+```
+
+Setting `thresholdPriorityClassName`
+```yaml
+apiVersion: "descheduler/v1alpha1"
+kind: "DeschedulerPolicy"
+strategies:
+  "PodLifeTime":
+     enabled: true
+     params:
+        podLifeTime:
+          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.
+
+### Label filtering
+
+The following strategies can configure a [standard kubernetes labelSelector](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.26/#labelselector-v1-meta)
+to filter pods by their labels:
+
+* `PodLifeTime`
+* `RemovePodsHavingTooManyRestarts`
+* `RemovePodsViolatingNodeTaints`
+* `RemovePodsViolatingNodeAffinity`
+* `RemovePodsViolatingInterPodAntiAffinity`
+* `RemovePodsViolatingTopologySpreadConstraint`
+* `RemoveFailedPods`
+
+This allows running strategies among pods the descheduler is interested in.
+
+For example:
+
+```yaml
+apiVersion: "descheduler/v1alpha1"
+kind: "DeschedulerPolicy"
+strategies:
+  "PodLifeTime":
+    enabled: true
+    params:
+      podLifeTime:
+        maxPodLifeTimeSeconds: 86400
+      labelSelector:
+        matchLabels:
+          component: redis
+        matchExpressions:
+          - {key: tier, operator: In, values: [cache]}
+          - {key: environment, operator: NotIn, values: [dev]}
+```
+
+
+### Node Fit filtering
+
+The following strategies accept a `nodeFit` boolean parameter which can optimize descheduling:
+* `RemoveDuplicates`
+* `LowNodeUtilization`
+* `HighNodeUtilization`
+* `RemovePodsViolatingInterPodAntiAffinity`
+* `RemovePodsViolatingNodeAffinity`
+* `RemovePodsViolatingNodeTaints`
+* `RemovePodsViolatingTopologySpreadConstraint`
+* `RemovePodsHavingTooManyRestarts`
+* `RemoveFailedPods`
+
+ If set to `true` the descheduler will consider whether or not the pods that meet eviction criteria will fit on other nodes before evicting them. If a pod cannot be rescheduled to another node, it will not be evicted. Currently the following criteria are considered when setting `nodeFit` to `true`:
+- A `nodeSelector` on the pod
+- Any `tolerations` on the pod and any `taints` on the other nodes
+- `nodeAffinity` on the pod
+- Resource `requests` made by the pod and the resources available on other nodes
+- Whether any of the other nodes are marked as `unschedulable`
+
+E.g.
+
+```yaml
+apiVersion: "descheduler/v1alpha1"
+kind: "DeschedulerPolicy"
+strategies:
+  "LowNodeUtilization":
+    enabled: true
+    params:
+      nodeFit: true
+      nodeResourceUtilizationThresholds:
+        thresholds:
+          "cpu": 20
+          "memory": 20
+          "pods": 20
+        targetThresholds:
+          "cpu": 50
+          "memory": 50
+          "pods": 50
+```
+
+Note that node fit filtering references the current pod spec, and not that of it's owner.
+Thus, if the pod is owned by a ReplicationController (and that ReplicationController was modified recently),
+the pod may be running with an outdated spec, which the descheduler will reference when determining node fit.
+This is expected behavior as the descheduler is a "best-effort" mechanism.
+
+Using Deployments instead of ReplicationControllers provides an automated rollout of pod spec changes, therefore ensuring that the descheduler has an up-to-date view of the cluster state.

docs/user-guide.md

@@ -2,92 +2,37 @@
 
 Starting with descheduler release v0.10.0 container images are available in the official k8s container registry.
 
-Descheduler Version | Container Image                            | Architectures           |
-------------------- |--------------------------------------------|-------------------------|
-v0.25.1             | k8s.gcr.io/descheduler/descheduler:v0.25.1 | AMD64<br>ARM64<br>ARMv7 |
-v0.25.0             | k8s.gcr.io/descheduler/descheduler:v0.25.0 | AMD64<br>ARM64<br>ARMv7 |
-v0.24.1             | k8s.gcr.io/descheduler/descheduler:v0.24.1 | AMD64<br>ARM64<br>ARMv7 |
-v0.24.0             | k8s.gcr.io/descheduler/descheduler:v0.24.0 | AMD64<br>ARM64<br>ARMv7 |
-v0.23.1             | k8s.gcr.io/descheduler/descheduler:v0.23.1 | AMD64<br>ARM64<br>ARMv7 |
-v0.22.0             | k8s.gcr.io/descheduler/descheduler:v0.22.0 | AMD64<br>ARM64<br>ARMv7 |
-v0.21.0             | k8s.gcr.io/descheduler/descheduler:v0.21.0 | AMD64<br>ARM64<br>ARMv7 |
-v0.20.0             | k8s.gcr.io/descheduler/descheduler:v0.20.0 | AMD64<br>ARM64          |
-v0.19.0             | k8s.gcr.io/descheduler/descheduler:v0.19.0 | AMD64                   |
-v0.18.0             | k8s.gcr.io/descheduler/descheduler:v0.18.0 | AMD64                   |
-v0.10.0             | k8s.gcr.io/descheduler/descheduler:v0.10.0 | AMD64                   |
+Descheduler Version | Container Image                                 | Architectures           |
+------------------- |-------------------------------------------------|-------------------------|
+v0.27.0             | registry.k8s.io/descheduler/descheduler:v0.27.0 | AMD64<br>ARM64<br>ARMv7 |
+v0.26.1             | registry.k8s.io/descheduler/descheduler:v0.26.1 | AMD64<br>ARM64<br>ARMv7 |
+v0.26.0             | registry.k8s.io/descheduler/descheduler:v0.26.0 | AMD64<br>ARM64<br>ARMv7 |
+v0.25.1             | registry.k8s.io/descheduler/descheduler:v0.25.1 | AMD64<br>ARM64<br>ARMv7 |
+v0.25.0             | registry.k8s.io/descheduler/descheduler:v0.25.0 | AMD64<br>ARM64<br>ARMv7 |
+v0.24.1             | registry.k8s.io/descheduler/descheduler:v0.24.1 | AMD64<br>ARM64<br>ARMv7 |
+v0.24.0             | registry.k8s.io/descheduler/descheduler:v0.24.0 | AMD64<br>ARM64<br>ARMv7 |
+v0.23.1             | registry.k8s.io/descheduler/descheduler:v0.23.1 | AMD64<br>ARM64<br>ARMv7 |
+v0.22.0             | registry.k8s.io/descheduler/descheduler:v0.22.0 | AMD64<br>ARM64<br>ARMv7 |
+v0.21.0             | registry.k8s.io/descheduler/descheduler:v0.21.0 | AMD64<br>ARM64<br>ARMv7 |
+v0.20.0             | registry.k8s.io/descheduler/descheduler:v0.20.0 | AMD64<br>ARM64          |
+v0.19.0             | registry.k8s.io/descheduler/descheduler:v0.19.0 | AMD64                   |
+v0.18.0             | registry.k8s.io/descheduler/descheduler:v0.18.0 | AMD64                   |
+v0.10.0             | registry.k8s.io/descheduler/descheduler:v0.10.0 | AMD64                   |
 
 Note that multi-arch container images cannot be pulled by [kind](https://kind.sigs.k8s.io) from a registry. Therefore
 starting with descheduler release v0.20.0 use the below process to download the official descheduler
 image into a kind cluster.
 ```
 kind create cluster
-docker pull k8s.gcr.io/descheduler/descheduler:v0.20.0
-kind load docker-image k8s.gcr.io/descheduler/descheduler:v0.20.0
+docker pull registry.k8s.io/descheduler/descheduler:v0.20.0
+kind load docker-image registry.k8s.io/descheduler/descheduler:v0.20.0
 ```
 
 ## Policy Configuration Examples
 The [examples](https://github.com/kubernetes-sigs/descheduler/tree/master/examples) directory has descheduler policy configuration examples.
 
 ## CLI Options
-The descheduler has many CLI options that can be used to override its default behavior.
-```
-descheduler --help
-The descheduler evicts pods which may be bound to less desired nodes
-
-Usage:
-  descheduler [flags]
-  descheduler [command]
-
-Available Commands:
-  completion  generate the autocompletion script for the specified shell
-  help        Help about any command
-  version     Version of descheduler
-
-Flags:
-      --add-dir-header                           If true, adds the file directory to the header of the log messages (DEPRECATED: will be removed in a future release, see https://github.com/kubernetes/enhancements/tree/master/keps/sig-instrumentation/2845-deprecate-klog-specific-flags-in-k8s-components)
-      --alsologtostderr                          log to standard error as well as files (DEPRECATED: will be removed in a future release, see https://github.com/kubernetes/enhancements/tree/master/keps/sig-instrumentation/2845-deprecate-klog-specific-flags-in-k8s-components)
-      --bind-address ip                          The IP address on which to listen for the --secure-port port. The associated interface(s) must be reachable by the rest of the cluster, and by CLI/web clients. If blank or an unspecified address (0.0.0.0 or ::), all interfaces will be used. (default 0.0.0.0)
-      --cert-dir string                          The directory where the TLS certs are located. If --tls-cert-file and --tls-private-key-file are provided, this flag will be ignored. (default "apiserver.local.config/certificates")
-      --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.
-      --disable-metrics                          Disables metrics. The metrics are by default served through https://localhost:10258/metrics. Secure address, resp. port can be changed through --bind-address, resp. --secure-port flags.
-      --dry-run                                  execute descheduler in dry run mode.
-  -h, --help                                     help for descheduler
-      --http2-max-streams-per-connection int     The limit that the server gives to clients for the maximum number of streams in an HTTP/2 connection. Zero means to use golang's default.
-      --kubeconfig string                        File with  kube configuration.
-      --leader-elect                             Start a leader election client and gain leadership before executing the main loop. Enable this when running replicated components for high availability.
-      --leader-elect-lease-duration duration     The duration that non-leader candidates will wait after observing a leadership renewal until attempting to acquire leadership of a led but unrenewed leader slot. This is effectively the maximum duration that a leader can be stopped before it is replaced by another candidate. This is only applicable if leader election is enabled. (default 15s)
-      --leader-elect-renew-deadline duration     The interval between attempts by the acting master to renew a leadership slot before it stops leading. This must be less than or equal to the lease duration. This is only applicable if leader election is enabled. (default 10s)
-      --leader-elect-resource-lock string        The type of resource object that is used for locking during leader election. Supported options are 'endpoints', 'configmaps', 'leases', 'endpointsleases' and 'configmapsleases'. (default "leases")
-      --leader-elect-resource-name string        The name of resource object that is used for locking during leader election. (default "descheduler")
-      --leader-elect-resource-namespace string   The namespace of resource object that is used for locking during leader election. (default "kube-system")
-      --leader-elect-retry-period duration       The duration the clients should wait between attempting acquisition and renewal of a leadership. This is only applicable if leader election is enabled. (default 2s)
-      --log-backtrace-at traceLocation           when logging hits line file:N, emit a stack trace (default :0) (DEPRECATED: will be removed in a future release, see https://github.com/kubernetes/enhancements/tree/master/keps/sig-instrumentation/2845-deprecate-klog-specific-flags-in-k8s-components)
-      --log_dir string                           If non-empty, write log files in this directory (DEPRECATED: will be removed in a future release, see https://github.com/kubernetes/enhancements/tree/master/keps/sig-instrumentation/2845-deprecate-klog-specific-flags-in-k8s-components)
-      --log_file string                          If non-empty, use this log file (DEPRECATED: will be removed in a future release, see https://github.com/kubernetes/enhancements/tree/master/keps/sig-instrumentation/2845-deprecate-klog-specific-flags-in-k8s-components)
-      --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) (DEPRECATED: will be removed in a future release, see https://github.com/kubernetes/enhancements/tree/master/keps/sig-instrumentation/2845-deprecate-klog-specific-flags-in-k8s-components)
-      --log-flush-frequency duration             Maximum number of seconds between log flushes (default 5s)
-      --logging-format string                    Sets the log format. Permitted formats: "text", "json". Non-default formats don't honor these flags: --add-dir-header, --alsologtostderr, --log-backtrace-at, --log_dir, --log_file, --log_file_max_size, --logtostderr, --skip-headers, --skip-log-headers, --stderrthreshold, --log-flush-frequency.\nNon-default choices are currently alpha and subject to change without warning. (default "text")
-      --logtostderr                              log to standard error instead of files (default true) (DEPRECATED: will be removed in a future release, see https://github.com/kubernetes/enhancements/tree/master/keps/sig-instrumentation/2845-deprecate-klog-specific-flags-in-k8s-components)
-      --one-output                               If true, only write logs to their native severity level (vs also writing to each lower severity level) (DEPRECATED: will be removed in a future release, see https://github.com/kubernetes/enhancements/tree/master/keps/sig-instrumentation/2845-deprecate-klog-specific-flags-in-k8s-components)
-      --permit-address-sharing                   If true, SO_REUSEADDR will be used when binding the port. This allows binding to wildcard IPs like 0.0.0.0 and specific IPs in parallel, and it avoids waiting for the kernel to release sockets in TIME_WAIT state. [default=false]
-      --permit-port-sharing                      If true, SO_REUSEPORT will be used when binding the port, which allows more than one instance to bind on the same address and port. [default=false]
-      --policy-config-file string                File with descheduler policy configuration.
-      --secure-port int                          The port on which to serve HTTPS with authentication and authorization. If 0, don't serve HTTPS at all. (default 10258)
-      --skip-headers                             If true, avoid header prefixes in the log messages (DEPRECATED: will be removed in a future release, see https://github.com/kubernetes/enhancements/tree/master/keps/sig-instrumentation/2845-deprecate-klog-specific-flags-in-k8s-components)
-      --skip-log-headers                         If true, avoid headers when opening log files (DEPRECATED: will be removed in a future release, see https://github.com/kubernetes/enhancements/tree/master/keps/sig-instrumentation/2845-deprecate-klog-specific-flags-in-k8s-components)
-      --stderrthreshold severity                 logs at or above this threshold go to stderr (default 2) (DEPRECATED: will be removed in a future release, see https://github.com/kubernetes/enhancements/tree/master/keps/sig-instrumentation/2845-deprecate-klog-specific-flags-in-k8s-components)
-      --tls-cert-file string                     File containing the default x509 Certificate for HTTPS. (CA cert, if any, concatenated after server cert). If HTTPS serving is enabled, and --tls-cert-file and --tls-private-key-file are not provided, a self-signed certificate and key are generated for the public address and saved to the directory specified by --cert-dir.
-      --tls-cipher-suites strings                Comma-separated list of cipher suites for the server. If omitted, the default Go cipher suites will be used. 
-                                                 Preferred values: TLS_AES_128_GCM_SHA256, TLS_AES_256_GCM_SHA384, TLS_CHACHA20_POLY1305_SHA256, TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA, TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA, TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384, TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305, TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256, TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA, TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256, TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA, TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384, TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305, TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256, TLS_RSA_WITH_AES_128_CBC_SHA, TLS_RSA_WITH_AES_128_GCM_SHA256, TLS_RSA_WITH_AES_256_CBC_SHA, TLS_RSA_WITH_AES_256_GCM_SHA384. 
-                                                 Insecure values: TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256, TLS_ECDHE_ECDSA_WITH_RC4_128_SHA, TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA, TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256, TLS_ECDHE_RSA_WITH_RC4_128_SHA, TLS_RSA_WITH_3DES_EDE_CBC_SHA, TLS_RSA_WITH_AES_128_CBC_SHA256, TLS_RSA_WITH_RC4_128_SHA.
-      --tls-min-version string                   Minimum TLS version supported. Possible values: VersionTLS10, VersionTLS11, VersionTLS12, VersionTLS13
-      --tls-private-key-file string              File containing the default x509 private key matching --tls-cert-file.
-      --tls-sni-cert-key namedCertKey            A pair of x509 certificate and private key file paths, optionally suffixed with a list of domain patterns which are fully qualified domain names, possibly with prefixed wildcard segments. The domain patterns also allow IP addresses, but IPs should only be used if the apiserver has visibility to the IP address requested by a client. If no domain patterns are provided, the names of the certificate are extracted. Non-wildcard matches trump over wildcard matches, explicit domain patterns trump over extracted names. For multiple key/certificate pairs, use the --tls-sni-cert-key multiple times. Examples: "example.crt,example.key" or "foo.crt,foo.key:*.foo.com,foo.com". (default [])
-  -v, --v Level                                  number for the log level verbosity
-      --vmodule moduleSpec                       comma-separated list of pattern=N settings for file-filtered logging
-
-Use "descheduler [command] --help" for more information about a command.
-```
+The descheduler has many CLI options that can be used to override its default behavior. Please check the [CLI Options](./cli/descheduler.md) documentation for details
 
 ## Production Use Cases
 This section contains descriptions of real world production use cases.
@@ -109,19 +54,23 @@ descheduler -v=3 --evict-local-storage-pods --policy-config-file=pod-life-time.y
 This policy configuration file ensures that pods created more than 7 days ago are evicted.
 ```
 ---
-apiVersion: "descheduler/v1alpha1"
+apiVersion: "descheduler/v1alpha2"
 kind: "DeschedulerPolicy"
-strategies:
-  "PodLifeTime":
-    enabled: true
-    params:
-      podLifeTime:
-        maxPodLifeTimeSeconds: 604800 # pods run for a maximum of 7 days
+profiles:
+  - name: ProfileName
+    pluginConfig:
+    - name: "PodLifeTime"
+      args:
+        maxPodLifeTimeSeconds: 604800
+    plugins:
+      deschedule:
+        enabled:
+          - "PodLifeTime"
 ```
 
 ### Balance Cluster By Node Memory Utilization
 If your cluster has been running for a long period of time, you may find that the resource utilization is not very
-balanced. The following two strategies can be used to rebalance your cluster based on `cpu`, `memory` 
+balanced. The following two strategies can be used to rebalance your cluster based on `cpu`, `memory`
 or `number of pods`.
 
 #### Balance high utilization nodes
@@ -129,17 +78,21 @@ Using `LowNodeUtilization`, descheduler will rebalance the cluster based on memo
 from nodes with memory utilization over 70% to nodes with memory utilization below 20%.
 
 ```
-apiVersion: "descheduler/v1alpha1"
+apiVersion: "descheduler/v1alpha2"
 kind: "DeschedulerPolicy"
-strategies:
-  "LowNodeUtilization":
-    enabled: true
-    params:
-      nodeResourceUtilizationThresholds:
+profiles:
+  - name: ProfileName
+    pluginConfig:
+    - name: "LowNodeUtilization"
+      args:
         thresholds:
           "memory": 20
         targetThresholds:
           "memory": 70
+    plugins:
+      balance:
+        enabled:
+          - "LowNodeUtilization"
 ```
 
 #### Balance low utilization nodes
@@ -148,18 +101,23 @@ from nodes with memory utilization lower than 20%. This should be use `NodeResou
 The evicted pods will be compacted into minimal set of nodes.
 
 ```
-apiVersion: "descheduler/v1alpha1"
+apiVersion: "descheduler/v1alpha2"
 kind: "DeschedulerPolicy"
-strategies:
-  "HighNodeUtilization":
-    enabled: true
-    params:
-      nodeResourceUtilizationThresholds:
+profiles:
+  - name: ProfileName
+    pluginConfig:
+    - name: "HighNodeUtilization"
+      args:
         thresholds:
           "memory": 20
+    plugins:
+      balance:
+        enabled:
+          - "HighNodeUtilization"
 ```
 
 ### 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
@@ -168,6 +126,7 @@ There is a feature called TaintNodeByCondition of the node controller that takes
 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.
+
 ---
 **NOTE**
 

examples/failed-pods.yaml

@@ -1,14 +1,18 @@
-apiVersion: "descheduler/v1alpha1"
+apiVersion: "descheduler/v1alpha2"
 kind: "DeschedulerPolicy"
-strategies:
-  "RemoveFailedPods":
-    enabled: true
-    params:
-      failedPods:
+profiles:
+  - name: ProfileName
+    pluginConfig:
+    - name: "RemoveFailedPods"
+      args:
         reasons:
         - "OutOfcpu"
         - "CreateContainerConfigError"
         includingInitContainers: true
         excludeOwnerKinds:
         - "Job"
-        minPodLifetimeSeconds: 3600 # 1 hour
+        minPodLifetimeSeconds: 3600
+    plugins:
+      deschedule:
+        enabled:
+          - "RemoveFailedPods"

examples/high-node-utilization.yml

@@ -1,9 +1,13 @@
-apiVersion: "descheduler/v1alpha1"
+apiVersion: "descheduler/v1alpha2"
 kind: "DeschedulerPolicy"
-strategies:
-  "HighNodeUtilization":
-    enabled: true
-    params:
-      nodeResourceUtilizationThresholds:
+profiles:
+  - name: ProfileName
+    pluginConfig:
+    - name: "HighNodeUtilization"
+      args:
         thresholds:
           "memory": 20
+    plugins:
+      balance:
+        enabled:
+          - "HighNodeUtilization"

examples/low-node-utilization.yml

@@ -1,11 +1,15 @@
-apiVersion: "descheduler/v1alpha1"
+apiVersion: "descheduler/v1alpha2"
 kind: "DeschedulerPolicy"
-strategies:
-  "LowNodeUtilization":
-    enabled: true
-    params:
-      nodeResourceUtilizationThresholds:
+profiles:
+  - name: ProfileName
+    pluginConfig:
+    - name: "LowNodeUtilization"
+      args:
         thresholds:
           "memory": 20
         targetThresholds:
           "memory": 70
+    plugins:
+      balance:
+        enabled:
+          - "LowNodeUtilization"

examples/node-affinity.yml

@@ -1,8 +1,13 @@
-apiVersion: "descheduler/v1alpha1"
+apiVersion: "descheduler/v1alpha2"
 kind: "DeschedulerPolicy"
-strategies:
-  "RemovePodsViolatingNodeAffinity":
-    enabled: true
-    params:
-      nodeAffinityType:
-      - "requiredDuringSchedulingIgnoredDuringExecution"
+profiles:
+  - name: ProfileName
+    pluginConfig:
+    - name: "RemovePodsViolatingNodeAffinity"
+      args:
+        nodeAffinityType:
+        - "requiredDuringSchedulingIgnoredDuringExecution"
+    plugins:
+      deschedule:
+        enabled:
+          - "RemovePodsViolatingNodeAffinity"

examples/pod-life-time.yml

@@ -1,11 +1,15 @@
-apiVersion: "descheduler/v1alpha1"
+apiVersion: "descheduler/v1alpha2"
 kind: "DeschedulerPolicy"
-strategies:
-  "PodLifeTime":
-    enabled: true
-    params:
-      podLifeTime:
+profiles:
+  - name: ProfileName
+    pluginConfig:
+    - name: "PodLifeTime"
+      args:
         maxPodLifeTimeSeconds: 604800 # 7 days
         states:
         - "Pending"
         - "PodInitializing"
+    plugins:
+      deschedule:
+        enabled:
+          - "PodLifeTime"

examples/policy.yaml

@@ -1,29 +1,34 @@
-apiVersion: "descheduler/v1alpha1"
+apiVersion: "descheduler/v1alpha2"
 kind: "DeschedulerPolicy"
-strategies:
-  "RemoveDuplicates":
-     enabled: true
-  "RemovePodsViolatingInterPodAntiAffinity":
-     enabled: true
-  "LowNodeUtilization":
-     enabled: true
-     params:
-       nodeResourceUtilizationThresholds:
-         thresholds:
-           "cpu" : 20
-           "memory": 20
-           "pods": 20
-         targetThresholds:
-           "cpu" : 50
-           "memory": 50
-           "pods": 50
-  "RemovePodsHavingTooManyRestarts":
-     enabled: true
-     params:
-       podsHavingTooManyRestarts:
-         podRestartThreshold: 100
-         includingInitContainers: true
-  "RemovePodsViolatingTopologySpreadConstraint":
-     enabled: true
-     params:
-       includeSoftConstraints: true
+profiles:
+  - name: ProfileName
+    pluginConfig:
+    - name: "RemoveDuplicates"
+    - name: "RemovePodsViolatingInterPodAntiAffinity"
+    - name: "LowNodeUtilization"
+      args:
+        thresholds:
+          "cpu" : 20
+          "memory": 20
+          "pods": 20
+        targetThresholds:
+          "cpu" : 50
+          "memory": 50
+          "pods": 50
+    - name: "RemovePodsHavingTooManyRestarts"
+      args:
+        podRestartThreshold: 100
+        includingInitContainers: true
+    - name: "RemovePodsViolatingTopologySpreadConstraint"
+      args:
+        includeSoftConstraints: true
+    plugins:
+      deschedule:
+        enabled:
+          - "RemovePodsViolatingInterPodAntiAffinity"
+          - "RemovePodsHavingTooManyRestarts"
+      balance:
+        enabled:
+          - "RemoveDuplicates"
+          - "LowNodeUtilization"
+          - "RemovePodsViolatingTopologySpreadConstraint"

examples/topology-spread-constraint.yaml

@@ -1,8 +1,12 @@
-apiVersion: "descheduler/v1alpha1"
+apiVersion: "descheduler/v1alpha2"
 kind: "DeschedulerPolicy"
-strategies:
-  "RemovePodsViolatingTopologySpreadConstraint":
-     enabled: true
-     params:
-       nodeFit: true
-       includeSoftConstraints: true # Include 'ScheduleAnyways' constraints
+profiles:
+  - name: ProfileName
+    pluginConfig:
+    - name: "RemovePodsViolatingTopologySpreadConstraint"
+      args:
+        includeSoftConstraints: true # Include 'ScheduleAnyways' constraints
+    plugins:
+      balance:
+        enabled:
+          - "RemovePodsViolatingTopologySpreadConstraint"

go.mod

@@ -1,115 +1,114 @@
 module sigs.k8s.io/descheduler
 
-go 1.19
+go 1.20
 
 require (
 	github.com/client9/misspell v0.3.4
-	github.com/spf13/cobra v1.4.0
+	github.com/google/go-cmp v0.5.9
+	github.com/spf13/cobra v1.6.0
 	github.com/spf13/pflag v1.0.5
-	k8s.io/api v0.25.0
-	k8s.io/apimachinery v0.25.0
-	k8s.io/apiserver v0.25.0
-	k8s.io/client-go v0.25.0
-	k8s.io/code-generator v0.25.0
-	k8s.io/component-base v0.25.0
-	k8s.io/component-helpers v0.25.0
-	k8s.io/klog/v2 v2.70.1
-	k8s.io/utils v0.0.0-20220823124924-e9cbc92d1a73
-	sigs.k8s.io/mdtoc v1.0.1
+	k8s.io/api v0.27.0
+	k8s.io/apimachinery v0.27.0
+	k8s.io/apiserver v0.27.0
+	k8s.io/client-go v0.27.0
+	k8s.io/code-generator v0.27.0
+	k8s.io/component-base v0.27.0
+	k8s.io/component-helpers v0.27.0
+	k8s.io/klog/v2 v2.90.1
+	k8s.io/utils v0.0.0-20230313181309-38a27ef9d749
+	sigs.k8s.io/mdtoc v1.1.0
 )
 
 require (
-	cloud.google.com/go v0.97.0 // indirect
-	github.com/Azure/go-autorest v14.2.0+incompatible // indirect
-	github.com/Azure/go-autorest/autorest v0.11.27 // indirect
-	github.com/Azure/go-autorest/autorest/adal v0.9.20 // indirect
-	github.com/Azure/go-autorest/autorest/date v0.3.0 // indirect
-	github.com/Azure/go-autorest/logger v0.2.1 // indirect
-	github.com/Azure/go-autorest/tracing v0.6.0 // indirect
 	github.com/BurntSushi/toml v0.3.1 // indirect
 	github.com/NYTimes/gziphandler v1.1.1 // indirect
-	github.com/PuerkitoBio/purell v1.1.1 // indirect
-	github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 // indirect
+	github.com/antlr/antlr4/runtime/Go/antlr v1.4.10 // indirect
+	github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/blang/semver/v4 v4.0.0 // indirect
+	github.com/cenkalti/backoff/v4 v4.1.3 // indirect
 	github.com/cespare/xxhash/v2 v2.1.2 // indirect
 	github.com/coreos/go-semver v0.3.0 // indirect
-	github.com/coreos/go-systemd/v22 v22.3.2 // indirect
+	github.com/coreos/go-systemd/v22 v22.4.0 // indirect
+	github.com/cpuguy83/go-md2man/v2 v2.0.2 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/emicklei/go-restful/v3 v3.8.0 // indirect
+	github.com/emicklei/go-restful/v3 v3.9.0 // indirect
 	github.com/evanphx/json-patch v4.12.0+incompatible // indirect
-	github.com/felixge/httpsnoop v1.0.1 // indirect
-	github.com/fsnotify/fsnotify v1.4.9 // indirect
+	github.com/felixge/httpsnoop v1.0.3 // indirect
+	github.com/fsnotify/fsnotify v1.6.0 // indirect
 	github.com/go-logr/logr v1.2.3 // indirect
+	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/go-logr/zapr v1.2.3 // indirect
-	github.com/go-openapi/jsonpointer v0.19.5 // indirect
-	github.com/go-openapi/jsonreference v0.19.5 // indirect
-	github.com/go-openapi/swag v0.19.14 // indirect
+	github.com/go-openapi/jsonpointer v0.19.6 // indirect
+	github.com/go-openapi/jsonreference v0.20.1 // indirect
+	github.com/go-openapi/swag v0.22.3 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
-	github.com/golang-jwt/jwt/v4 v4.2.0 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
-	github.com/golang/protobuf v1.5.2 // indirect
-	github.com/gomarkdown/markdown v0.0.0-20200824053859-8c8b3816f167 // indirect
+	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/gomarkdown/markdown v0.0.0-20210514010506-3b9f47219fe7 // indirect
+	github.com/google/cel-go v0.12.6 // indirect
 	github.com/google/gnostic v0.5.7-v3refs // indirect
-	github.com/google/go-cmp v0.5.6 // indirect
 	github.com/google/gofuzz v1.1.0 // indirect
-	github.com/google/uuid v1.1.2 // indirect
+	github.com/google/uuid v1.3.0 // indirect
 	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 // indirect
-	github.com/grpc-ecosystem/grpc-gateway v1.16.0 // indirect
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.7.0 // indirect
 	github.com/imdario/mergo v0.3.6 // indirect
-	github.com/inconshreveable/mousetrap v1.0.0 // indirect
+	github.com/inconshreveable/mousetrap v1.0.1 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
-	github.com/mailru/easyjson v0.7.6 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.2-0.20181231171920-c182affec369 // indirect
+	github.com/mailru/easyjson v0.7.7 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.2 // indirect
+	github.com/mitchellh/mapstructure v1.4.1 // indirect
 	github.com/mmarkdown/mmark v2.0.40+incompatible // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
-	github.com/prometheus/client_golang v1.12.1 // indirect
-	github.com/prometheus/client_model v0.2.0 // indirect
-	github.com/prometheus/common v0.32.1 // indirect
-	github.com/prometheus/procfs v0.7.3 // indirect
-	go.etcd.io/etcd/api/v3 v3.5.4 // indirect
-	go.etcd.io/etcd/client/pkg/v3 v3.5.4 // indirect
-	go.etcd.io/etcd/client/v3 v3.5.4 // indirect
-	go.opentelemetry.io/contrib v0.20.0 // indirect
-	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.20.0 // indirect
-	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.20.0 // indirect
-	go.opentelemetry.io/otel v0.20.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp v0.20.0 // indirect
-	go.opentelemetry.io/otel/metric v0.20.0 // indirect
-	go.opentelemetry.io/otel/sdk v0.20.0 // indirect
-	go.opentelemetry.io/otel/sdk/export/metric v0.20.0 // indirect
-	go.opentelemetry.io/otel/sdk/metric v0.20.0 // indirect
-	go.opentelemetry.io/otel/trace v0.20.0 // indirect
-	go.opentelemetry.io/proto/otlp v0.7.0 // indirect
+	github.com/prometheus/client_golang v1.14.0 // indirect
+	github.com/prometheus/client_model v0.3.0 // indirect
+	github.com/prometheus/common v0.37.0 // indirect
+	github.com/prometheus/procfs v0.8.0 // indirect
+	github.com/russross/blackfriday/v2 v2.1.0 // indirect
+	github.com/stoewer/go-strcase v1.2.0 // indirect
+	go.etcd.io/etcd/api/v3 v3.5.7 // indirect
+	go.etcd.io/etcd/client/pkg/v3 v3.5.7 // indirect
+	go.etcd.io/etcd/client/v3 v3.5.7 // indirect
+	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.35.0 // indirect
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.35.1 // indirect
+	go.opentelemetry.io/otel v1.10.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/internal/retry v1.10.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.10.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.10.0 // indirect
+	go.opentelemetry.io/otel/metric v0.31.0 // indirect
+	go.opentelemetry.io/otel/sdk v1.10.0 // indirect
+	go.opentelemetry.io/otel/trace v1.10.0 // indirect
+	go.opentelemetry.io/proto/otlp v0.19.0 // indirect
 	go.uber.org/atomic v1.7.0 // indirect
 	go.uber.org/multierr v1.6.0 // indirect
 	go.uber.org/zap v1.19.0 // indirect
-	golang.org/x/crypto v0.0.0-20220518034528-6f7dac969898 // indirect
-	golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4 // indirect
-	golang.org/x/net v0.0.0-20220722155237-a158d28d115b // indirect
-	golang.org/x/oauth2 v0.0.0-20211104180415-d3ed0bb246c8 // indirect
-	golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4 // indirect
-	golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f // indirect
-	golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 // indirect
-	golang.org/x/text v0.3.7 // indirect
+	golang.org/x/crypto v0.1.0 // indirect
+	golang.org/x/mod v0.9.0 // indirect
+	golang.org/x/net v0.8.0 // indirect
+	golang.org/x/oauth2 v0.0.0-20220223155221-ee480838109b // indirect
+	golang.org/x/sync v0.1.0 // indirect
+	golang.org/x/sys v0.6.0 // indirect
+	golang.org/x/term v0.6.0 // indirect
+	golang.org/x/text v0.8.0 // indirect
 	golang.org/x/time v0.0.0-20220210224613-90d013bbcef8 // indirect
-	golang.org/x/tools v0.1.12 // indirect
+	golang.org/x/tools v0.7.0 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
 	google.golang.org/genproto v0.0.0-20220502173005-c8bf987b8c21 // indirect
-	google.golang.org/grpc v1.47.0 // indirect
-	google.golang.org/protobuf v1.28.0 // indirect
+	google.golang.org/grpc v1.51.0 // indirect
+	google.golang.org/protobuf v1.28.1 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/natefinch/lumberjack.v2 v2.0.0 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
-	k8s.io/gengo v0.0.0-20211129171323-c02415ce4185 // indirect
-	k8s.io/kube-openapi v0.0.0-20220803162953-67bda5d908f1 // indirect
-	sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.0.32 // indirect
-	sigs.k8s.io/json v0.0.0-20220713155537-f223a00ba0e2 // indirect
+	k8s.io/gengo v0.0.0-20220902162205-c0856e24416d // indirect
+	k8s.io/kms v0.27.0 // indirect
+	k8s.io/kube-openapi v0.0.0-20230308215209-15aac26d736a // indirect
+	sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.1.1 // indirect
+	sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect
 	sigs.k8s.io/structured-merge-diff/v4 v4.2.3 // indirect
-	sigs.k8s.io/yaml v1.2.0 // indirect
+	sigs.k8s.io/yaml v1.3.0 // indirect
 )

go.sum

@@ -13,19 +13,7 @@ cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKV
 cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
 cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOYc=
 cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY=
-cloud.google.com/go v0.72.0/go.mod h1:M+5Vjvlc2wnp6tjzE102Dw08nGShTscUx2nZMufOKPI=
-cloud.google.com/go v0.74.0/go.mod h1:VV1xSbzvo+9QJOxLDaJfTjx5e+MePCpCWwvftOeQmWk=
-cloud.google.com/go v0.78.0/go.mod h1:QjdrLG0uq+YwhjoVOLsS1t7TW8fs36kLs4XO5R5ECHg=
-cloud.google.com/go v0.79.0/go.mod h1:3bzgcEeQlzbuEAYu4mrWhKqWjmpprinYgKJLgKHnbb8=
-cloud.google.com/go v0.81.0/go.mod h1:mk/AM35KwGk/Nm2YSeZbxXdrNK3KZOYHmLkOqC2V6E0=
-cloud.google.com/go v0.83.0/go.mod h1:Z7MJUsANfY0pYPdw0lbnivPx4/vhy/e2FEkSkF7vAVY=
-cloud.google.com/go v0.84.0/go.mod h1:RazrYuxIK6Kb7YrzzhPoLmCVzl7Sup4NrbKPg8KHSUM=
-cloud.google.com/go v0.87.0/go.mod h1:TpDYlFy7vuLzZMMZ+B6iRiELaY7z/gJPaqbMx6mlWcY=
-cloud.google.com/go v0.90.0/go.mod h1:kRX0mNRHe0e2rC6oNakvwQqzyDmg57xJ+SZU1eT2aDQ=
-cloud.google.com/go v0.93.3/go.mod h1:8utlLll2EF5XMAV15woO4lSbWQlk8rer9aLOfLh7+YI=
-cloud.google.com/go v0.94.1/go.mod h1:qAlAugsXlC+JWO+Bke5vCtc9ONxjQT3drlTTnAplMW4=
 cloud.google.com/go v0.97.0 h1:3DXvAyifywvq64LfkKaMOmkWPS1CikIQdMe2lY9vxU8=
-cloud.google.com/go v0.97.0/go.mod h1:GF7l59pYBVlXQIBLx3a761cZ41F9bBH3JUlihCt2Udc=
 cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
 cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
 cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
@@ -44,39 +32,22 @@ cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohl
 cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
 cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
-github.com/Azure/go-autorest v14.2.0+incompatible h1:V5VMDjClD3GiElqLWO7mz2MxNAK/vTfRHdAubSIPRgs=
-github.com/Azure/go-autorest v14.2.0+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSWATqVooLgysK6ZNox3g/xq24=
-github.com/Azure/go-autorest/autorest v0.11.27 h1:F3R3q42aWytozkV8ihzcgMO4OA4cuqr3bNlsEuF6//A=
-github.com/Azure/go-autorest/autorest v0.11.27/go.mod h1:7l8ybrIdUmGqZMTD0sRtAr8NvbHjfofbf8RSP2q7w7U=
-github.com/Azure/go-autorest/autorest/adal v0.9.18/go.mod h1:XVVeme+LZwABT8K5Lc3hA4nAe8LDBVle26gTrguhhPQ=
-github.com/Azure/go-autorest/autorest/adal v0.9.20 h1:gJ3E98kMpFB1MFqQCvA1yFab8vthOeD4VlFRQULxahg=
-github.com/Azure/go-autorest/autorest/adal v0.9.20/go.mod h1:XVVeme+LZwABT8K5Lc3hA4nAe8LDBVle26gTrguhhPQ=
-github.com/Azure/go-autorest/autorest/date v0.3.0 h1:7gUk1U5M/CQbp9WoqinNzJar+8KY+LPI6wiWrP/myHw=
-github.com/Azure/go-autorest/autorest/date v0.3.0/go.mod h1:BI0uouVdmngYNUzGWeSYnokU+TrmwEsOqdt8Y6sso74=
-github.com/Azure/go-autorest/autorest/mocks v0.4.1/go.mod h1:LTp+uSrOhSkaKrUy935gNZuuIPPVsHlr9DSOxSayd+k=
-github.com/Azure/go-autorest/autorest/mocks v0.4.2 h1:PGN4EDXnuQbojHbU0UWoNvmu9AGVwYHG9/fkDYhtAfw=
-github.com/Azure/go-autorest/autorest/mocks v0.4.2/go.mod h1:Vy7OitM9Kei0i1Oj+LvyAWMXJHeKH1MVlzFugfVrmyU=
-github.com/Azure/go-autorest/logger v0.2.1 h1:IG7i4p/mDa2Ce4TRyAO8IHnVhAVF3RFU+ZtXWSmf4Tg=
-github.com/Azure/go-autorest/logger v0.2.1/go.mod h1:T9E3cAhj2VqvPOtCYAvby9aBXkZmbF5NWuPV8+WeEW8=
-github.com/Azure/go-autorest/tracing v0.6.0 h1:TYi4+3m5t6K48TGI9AUdb+IzbnSxvnvUMfuitfgcfuo=
-github.com/Azure/go-autorest/tracing v0.6.0/go.mod h1:+vhtPC754Xsa23ID7GlGsrdKBpUA79WCAKPPZVC2DeU=
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 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 v1.1.1 h1:ZUDjpQae29j0ryrS0u/B8HZfJBtBQHjqw2rQ2cqUQ3I=
 github.com/NYTimes/gziphandler v1.1.1/go.mod h1:n/CVRwUEOgIxrgPvAQhUUr9oeUtvrhMomdKFjzJNB0c=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
-github.com/PuerkitoBio/purell v1.1.1 h1:WEQqlqaGbrPkxLJWfBwQmfEAE1Z7ONdDLqrN38tNFfI=
-github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
-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/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
 github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
-github.com/benbjohnson/clock v1.0.3/go.mod h1:bGMdMPoPVvcYyt1gHDf4J2KE153Yf9BuiUKYMaxlTDM=
+github.com/antlr/antlr4/runtime/Go/antlr v1.4.10 h1:yL7+Jz0jTC6yykIK/Wh74gnTJnrGr5AyrNMXuA0gves=
+github.com/antlr/antlr4/runtime/Go/antlr v1.4.10/go.mod h1:F7bn7fEU90QkQ3tnmaTx3LTKLEDqnwWODIYppRQ5hnY=
+github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a h1:idn718Q4B6AGu/h5Sxe66HYVdqdGu2l9Iebqhi/AEoA=
+github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY=
 github.com/benbjohnson/clock v1.1.0 h1:Q92kusRqC1XV2MjkWETPvjJVqKetz1OzxZB7mHJLju8=
 github.com/benbjohnson/clock v1.1.0/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZxNJlLklBHA=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
@@ -85,6 +56,8 @@ github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/blang/semver/v4 v4.0.0 h1:1PFHFE6yCCTv8C1TeyNNarDzntLi7wMI5i/pzqYIsAM=
 github.com/blang/semver/v4 v4.0.0/go.mod h1:IbckMUScFkM3pff0VJDNKRiT6TG/YpiHIM2yvyW5YoQ=
+github.com/cenkalti/backoff/v4 v4.1.3 h1:cFAlzYUlVYDysBEH2T5hyJZMh3+5+WCBvSnK6Q8UtC4=
+github.com/cenkalti/backoff/v4 v4.1.3/go.mod h1:scbssz8iZGpm3xbr14ovlUdkxfGXNInqkPWOWmG2CLw=
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@@ -140,34 +111,36 @@ github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2
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@@ -180,8 +153,6 @@ github.com/golang/mock v1.4.0/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt
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@@ -197,15 +168,16 @@ github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QD
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@@ -235,33 +204,28 @@ github.com/google/pprof v0.0.0-20200212024743-f11f1df84d12/go.mod h1:ZgVRPoUq/hf
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@@ -282,17 +246,19 @@ github.com/konsorten/go-windows-terminal-sequences v1.0.3/go.mod h1:T0+1ngSBFLxv
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 go.uber.org/multierr v1.6.0 h1:y6IPFStTAIT5Ytl7/XYmHvzXQ7S3g/IeZW9hyZ5thw4=
 go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU=
-go.uber.org/zap v1.17.0/go.mod h1:MXVU+bhUf/A7Xi2HNOnopQOrmycQ5Ih87HtOu4q5SSo=
 go.uber.org/zap v1.19.0 h1:mZQZefskPPCMIBCSEH0v2/iUqqLrYtaeqwD6FUGUnFE=
 go.uber.org/zap v1.19.0/go.mod h1:xg/QME4nWcxGxrpdeYfq7UvYrLh66cuVKdrbD1XF/NI=
 golang.org/dl v0.0.0-20190829154251-82a15e2f2ead/go.mod h1:IUMfjQLJQd4UTqG1Z90tenwKoCX93Gn3MAQJMOSBsDQ=
@@ -429,10 +394,8 @@ golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8U
 golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
-golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
-golang.org/x/crypto v0.0.0-20211215153901-e495a2d5b3d3/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
-golang.org/x/crypto v0.0.0-20220518034528-6f7dac969898 h1:SLP7Q4Di66FONjDJbCYrCRrh97focO6sLogHO7/g8F0=
-golang.org/x/crypto v0.0.0-20220518034528-6f7dac969898/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
+golang.org/x/crypto v0.1.0 h1:MDRAIl0xIo9Io2xV565hzXHw3zVseKrJKodhohM5CjU=
+golang.org/x/crypto v0.1.0/go.mod h1:RecgLatLF4+eUMCP1PoPZQb+cVrJcOPbHkTkbkB9sbw=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
@@ -455,9 +418,6 @@ golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHl
 golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f/go.mod h1:5qLYkcX4OjUUV8bRuDixDT3tpyyb+LUpUlRWLxfhWrs=
 golang.org/x/lint v0.0.0-20200130185559-910be7a94367/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
 golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
-golang.org/x/lint v0.0.0-20201208152925-83fdc39ff7b5/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
-golang.org/x/lint v0.0.0-20210508222113-6edffad5e616 h1:VLliZ0d+/avPrXXH+OakdXhpJuEoBZuwh1m2j7U6Iug=
-golang.org/x/lint v0.0.0-20210508222113-6edffad5e616/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
 golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
 golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
 golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
@@ -466,11 +426,8 @@ golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzB
 golang.org/x/mod v0.1.1-0.20191107180719-034126e5016b/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
 golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/mod v0.4.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/mod v0.4.1/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4 h1:6zppjxzCulZykYSLyVDYbneBfbaBIQPYMevg0bEwv2s=
-golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
+golang.org/x/mod v0.9.0 h1:KENHtAZL2y3NLMYZeHY9DW8HW8V+kQyJsY/V9JlKvCs=
+golang.org/x/mod v0.9.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -485,7 +442,6 @@ golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLL
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190628185345-da137c7871d7/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190724013045-ca1201d0de80/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20191209160850-c0dbc17a3553/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200202094626-16171245cfb2/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
@@ -501,35 +457,21 @@ golang.org/x/net v0.0.0-20200625001655-4c5254603344/go.mod h1:/O7V0waA8r7cgGh81R
 golang.org/x/net v0.0.0-20200707034311-ab3426394381/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
 golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
 golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
-golang.org/x/net v0.0.0-20201031054903-ff519b6c9102/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
-golang.org/x/net v0.0.0-20201110031124-69a78807bb2b/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
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 golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
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 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20191202225959-858c2ad4c8b6/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
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 golang.org/x/oauth2 v0.0.0-20210514164344-f6687ab2804c/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
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 golang.org/x/oauth2 v0.0.0-20211104180415-d3ed0bb246c8/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
+golang.org/x/oauth2 v0.0.0-20220223155221-ee480838109b h1:clP8eMhB30EHdc0bd2Twtq6kgU7yl5ub2cQLSdrv1Dg=
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 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -540,9 +482,8 @@ golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4 h1:uVc8UZUe6tr40fFVnUP5Oj+veunVezqYl9z7DYw9xzw=
-golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.1.0 h1:wsuoTGHzEhffawBOhz5CYhcrV4IdKZbEyZjBMuTp12o=
+golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -556,7 +497,6 @@ golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190726091711-fc99dfbffb4e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191001151750-bb3f8db39f24/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191204072324-ce4227a45e2e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191228213918-04cbcbbfeed8/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200106162015-b016eb3dc98e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -575,46 +515,34 @@ golang.org/x/sys v0.0.0-20200523222454-059865788121/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20200615200032-f1bc736245b1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200625212154-ddb9806d33ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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@@ -663,24 +591,12 @@ golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roY
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@@ -698,18 +614,6 @@ google.golang.org/api v0.24.0/go.mod h1:lIXQywCXRcnZPGlsd8NbLnOjtAoL6em04bJ9+z0M
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@@ -748,32 +652,8 @@ google.golang.org/genproto v0.0.0-20200618031413-b414f8b61790/go.mod h1:jDfRM7Fc
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-google.golang.org/genproto v0.0.0-20210821163610-241b8fcbd6c8/go.mod h1:eFjDcFEctNawg4eG61bRv87N7iHBWyVhJu7u1kqDUXY=
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-google.golang.org/genproto v0.0.0-20210831024726-fe130286e0e2/go.mod h1:eFjDcFEctNawg4eG61bRv87N7iHBWyVhJu7u1kqDUXY=
-google.golang.org/genproto v0.0.0-20210903162649-d08c68adba83/go.mod h1:eFjDcFEctNawg4eG61bRv87N7iHBWyVhJu7u1kqDUXY=
-google.golang.org/genproto v0.0.0-20210924002016-3dee208752a0/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
+google.golang.org/genproto v0.0.0-20211118181313-81c1377c94b1/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
 google.golang.org/genproto v0.0.0-20220502173005-c8bf987b8c21 h1:hrbNEivu7Zn1pxvHk6MBrq9iE22woVILTHqexqBxe6I=
 google.golang.org/genproto v0.0.0-20220502173005-c8bf987b8c21/go.mod h1:RAyBrSAP7Fh3Nc84ghnVLDPuV51xc9agzmm4Ph6i0Q4=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
@@ -788,23 +668,13 @@ google.golang.org/grpc v1.28.0/go.mod h1:rpkK4SK4GF4Ach/+MFLZUBavHOvF2JJB5uozKKa
 google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
 google.golang.org/grpc v1.30.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
 google.golang.org/grpc v1.31.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
-google.golang.org/grpc v1.31.1/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
 google.golang.org/grpc v1.33.1/go.mod h1:fr5YgcSWrqhRRxogOsw7RzIpsmvOZ6IcH4kBYTpR3n0=
-google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
-google.golang.org/grpc v1.34.0/go.mod h1:WotjhfgOW/POjDeRt8vscBtXq+2VjORFy659qA51WJ8=
-google.golang.org/grpc v1.35.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
 google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
-google.golang.org/grpc v1.36.1/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
-google.golang.org/grpc v1.37.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
-google.golang.org/grpc v1.37.1/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
-google.golang.org/grpc v1.38.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
-google.golang.org/grpc v1.39.0/go.mod h1:PImNr+rS9TWYb2O4/emRugxiyHZ5JyHW5F+RPnDzfrE=
-google.golang.org/grpc v1.39.1/go.mod h1:PImNr+rS9TWYb2O4/emRugxiyHZ5JyHW5F+RPnDzfrE=
 google.golang.org/grpc v1.40.0/go.mod h1:ogyxbiOoUXAkP+4+xa6PZSE9DZgIHtSpzjDTB9KAK34=
+google.golang.org/grpc v1.42.0/go.mod h1:k+4IHHFw41K8+bbowsex27ge2rCb65oeWqe4jJ590SU=
 google.golang.org/grpc v1.46.0/go.mod h1:vN9eftEi1UMyUsIF80+uQXhHjbXYbm0uXoFCACuMGWk=
-google.golang.org/grpc v1.47.0 h1:9n77onPX5F3qfFCqjy9dhn8PbNQsIKeVU04J9G7umt8=
-google.golang.org/grpc v1.47.0/go.mod h1:vN9eftEi1UMyUsIF80+uQXhHjbXYbm0uXoFCACuMGWk=
-google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.1.0/go.mod h1:6Kw0yEErY5E/yWrBtf03jp27GLLJujG4z/JK95pnjjw=
+google.golang.org/grpc v1.51.0 h1:E1eGv1FTqoLIdnBCZufiSHgKjlqG6fKFf6pPWtMTh8U=
+google.golang.org/grpc v1.51.0/go.mod h1:wgNDFcnuBGmxLKI/qn4T+m5BtEBYXJPvibbUPsAIPww=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
@@ -818,14 +688,15 @@ google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlba
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-google.golang.org/protobuf v1.28.0 h1:w43yiav+6bVFTBQFZX0r7ipe9JQ1QsbMgHwbBziscLw=
 google.golang.org/protobuf v1.28.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
+google.golang.org/protobuf v1.28.1 h1:d0NfwRgPtno5B1Wa6L2DAG+KivqkdutMf1UhdNx175w=
+google.golang.org/protobuf v1.28.1/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU=
-gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/inf.v0 v0.9.1 h1:73M5CoZyi3ZLMOyDlQh031Cx6N9NDJ2Vvfl76EDAgDc=
 gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
@@ -852,40 +723,42 @@ honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWh
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
 honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
 honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
-k8s.io/api v0.25.0 h1:H+Q4ma2U/ww0iGB78ijZx6DRByPz6/733jIuFpX70e0=
-k8s.io/api v0.25.0/go.mod h1:ttceV1GyV1i1rnmvzT3BST08N6nGt+dudGrquzVQWPk=
-k8s.io/apimachinery v0.25.0 h1:MlP0r6+3XbkUG2itd6vp3oxbtdQLQI94fD5gCS+gnoU=
-k8s.io/apimachinery v0.25.0/go.mod h1:qMx9eAk0sZQGsXGu86fab8tZdffHbwUfsvzqKn4mfB0=
-k8s.io/apiserver v0.25.0 h1:8kl2ifbNffD440MyvHtPaIz1mw4mGKVgWqM0nL+oyu4=
-k8s.io/apiserver v0.25.0/go.mod h1:BKwsE+PTC+aZK+6OJQDPr0v6uS91/HWxX7evElAH6xo=
-k8s.io/client-go v0.25.0 h1:CVWIaCETLMBNiTUta3d5nzRbXvY5Hy9Dpl+VvREpu5E=
-k8s.io/client-go v0.25.0/go.mod h1:lxykvypVfKilxhTklov0wz1FoaUZ8X4EwbhS6rpRfN8=
-k8s.io/code-generator v0.25.0 h1:QP8fJuXu882ztf6dsqJsso/Btm94pMd68TAZC1rE6KI=
-k8s.io/code-generator v0.25.0/go.mod h1:B6jZgI3DvDFAualltPitbYMQ74NjaCFxum3YeKZZ+3w=
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-k8s.io/component-base v0.25.0/go.mod h1:F2Sumv9CnbBlqrpdf7rKZTmmd2meJq0HizeyY/yAFxk=
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-k8s.io/gengo v0.0.0-20211129171323-c02415ce4185/go.mod h1:FiNAH4ZV3gBg2Kwh89tzAEV2be7d5xI0vBa/VySYy3E=
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 k8s.io/klog/v2 v2.2.0/go.mod h1:Od+F08eJP+W3HUb4pSrPpgp9DGU4GzlpG/TmITuYh/Y=
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-k8s.io/utils v0.0.0-20220823124924-e9cbc92d1a73 h1:H9TCJUUx+2VA0ZiD9lvtaX8fthFsMoD+Izn93E/hm8U=
-k8s.io/utils v0.0.0-20220823124924-e9cbc92d1a73/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA=
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+k8s.io/utils v0.0.0-20230313181309-38a27ef9d749/go.mod h1:OLgZIPagt7ERELqWJFomSt595RzquPNLL48iOWgYOg0=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
 rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
 rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
-sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.0.32 h1:2WjukG7txtEsbXsSKWtTibCdsyYAhcu6KFnttyDdZOQ=
-sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.0.32/go.mod h1:fEO7lRTdivWO2qYVCVG7dEADOMo/MLDCVr8So2g88Uw=
-sigs.k8s.io/json v0.0.0-20220713155537-f223a00ba0e2 h1:iXTIw73aPyC+oRdyqqvVJuloN1p0AC/kzH07hu3NE+k=
-sigs.k8s.io/json v0.0.0-20220713155537-f223a00ba0e2/go.mod h1:B8JuhiUyNFVKdsE8h686QcCxMaH6HrOAZj4vswFpcB0=
-sigs.k8s.io/mdtoc v1.0.1 h1:6ECKhQnbetwZBR6R2IeT2LH+1w+2Zsip0iXjikgaXIk=
-sigs.k8s.io/mdtoc v1.0.1/go.mod h1:COYBtOjsaCg7o7SC4eaLwEXPuVRSuiVuLLRrHd7kShw=
+sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.1.1 h1:MB1zkK+WMOmfLxEpjr1wEmkpcIhZC7kfTkZ0stg5bog=
+sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.1.1/go.mod h1:/4NLd21PQY0B+H+X0aDZdwUiVXYJQl/2NXA5KVtDiP4=
+sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd h1:EDPBXCAspyGV4jQlpZSudPeMmr1bNJefnuqLsRAsHZo=
+sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd/go.mod h1:B8JuhiUyNFVKdsE8h686QcCxMaH6HrOAZj4vswFpcB0=
+sigs.k8s.io/mdtoc v1.1.0 h1:q3YtqYzmC2e0hgLXRIOm7/QLuPux1CX3ZHCwlbABxZo=
+sigs.k8s.io/mdtoc v1.1.0/go.mod h1:QZLVEdHH2iNIR4uHAZyvFRtjloHgVItk8lo/mzCtq3w=
 sigs.k8s.io/structured-merge-diff/v4 v4.2.3 h1:PRbqxJClWWYMNV1dhaG4NsibJbArud9kFxnAMREiWFE=
 sigs.k8s.io/structured-merge-diff/v4 v4.2.3/go.mod h1:qjx8mGObPmV2aSZepjQjbmb2ihdVs8cGKBraizNC69E=
-sigs.k8s.io/yaml v1.2.0 h1:kr/MCeFWJWTwyaHoR9c8EjH9OumOmoF9YGiZd7lFm/Q=
 sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=
+sigs.k8s.io/yaml v1.3.0 h1:a2VclLzOGrwOHDiV8EfBGhvjHvP46CtW5j6POvhYGGo=
+sigs.k8s.io/yaml v1.3.0/go.mod h1:GeOyir5tyXNByN85N/dRIT9es5UQNerPYEKK56eTBm8=

hack/doc-gen/main.go

@@ -0,0 +1,20 @@
+package main
+
+import (
+	"log"
+	"os"
+
+	"github.com/spf13/cobra/doc"
+	"sigs.k8s.io/descheduler/cmd/descheduler/app"
+)
+
+var docGenPath = "docs/cli"
+
+func main() {
+	cmd := app.NewDeschedulerCommand(os.Stdout)
+	cmd.AddCommand(app.NewVersionCommand())
+	cmd.DisableAutoGenTag = true // Disable this so that the diff wont track it
+	if err := doc.GenMarkdownTree(cmd, docGenPath); err != nil {
+		log.Fatal(err)
+	}
+}

hack/lib/generator-help.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+
+# Utility command based on 'find' command. The pipeline is as following:
+#   1. find all the go files; (exclude specific path: vendor etc)
+#   2. find all the files containing specific tags in contents;
+#   3. extract related dirs;
+#   4. remove duplicated paths;
+#   5. merge all dirs in array with delimiter ,;
+#
+# Example:
+#   find_dirs_containing_comment_tags("+k8s:")
+# Return:
+#   sigs.k8s.io/descheduler/a,sigs.k8s.io/descheduler/b,sigs.k8s.io/descheduler/c
+function find_dirs_containing_comment_tags() {
+   array=()
+   while IFS='' read -r line; do array+=("$line"); done < <( \
+     find . -type f -name \*.go -not -path "./vendor/*" -not -path "./_tmp/*" -print0  \
+     | xargs -0 grep --color=never -l "$@" \
+     | xargs -n1 dirname \
+     | LC_ALL=C sort -u \
+     )
+
+   IFS=",";
+   printf '%s' "${array[*]}";
+}

hack/update-docs.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-# Copyright 2021 The Kubernetes Authors.
+# Copyright 2023 The Kubernetes Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -18,8 +18,6 @@ set -o errexit
 set -o nounset
 set -o pipefail
 
-source "$(dirname "${BASH_SOURCE}")/lib/init.sh"
+SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
 
-go build -o "${OS_OUTPUT_BINPATH}/mdtoc" "sigs.k8s.io/mdtoc"
-
-${OS_OUTPUT_BINPATH}/mdtoc --inplace README.md
+go run ${SCRIPT_DIR}/doc-gen

hack/update-generated-conversions.sh

@@ -1,9 +1,10 @@
 #!/bin/bash
 source "$(dirname "${BASH_SOURCE}")/lib/init.sh"
+source "$(dirname "${BASH_SOURCE}")/lib/generator-help.sh"
 
 go build -o "${OS_OUTPUT_BINPATH}/conversion-gen" "k8s.io/code-generator/cmd/conversion-gen"
 
 ${OS_OUTPUT_BINPATH}/conversion-gen \
 		--go-header-file "hack/boilerplate/boilerplate.go.txt" \
-		--input-dirs "${PRJ_PREFIX}/pkg/apis/componentconfig/v1alpha1,${PRJ_PREFIX}/pkg/api/v1alpha1" \
+		--input-dirs "$(find_dirs_containing_comment_tags "+k8s:conversion-gen=")" \
 		--output-file-base zz_generated.conversion

hack/update-generated-deep-copies.sh

@@ -1,10 +1,11 @@
 #!/bin/bash
 source "$(dirname "${BASH_SOURCE}")/lib/init.sh"
+source "$(dirname "${BASH_SOURCE}")/lib/generator-help.sh"
 
 go build -o "${OS_OUTPUT_BINPATH}/deepcopy-gen" "k8s.io/code-generator/cmd/deepcopy-gen"
 
 ${OS_OUTPUT_BINPATH}/deepcopy-gen \
                 --go-header-file "hack/boilerplate/boilerplate.go.txt" \
-                --input-dirs "${PRJ_PREFIX}/pkg/apis/componentconfig,${PRJ_PREFIX}/pkg/apis/componentconfig/v1alpha1,${PRJ_PREFIX}/pkg/api,${PRJ_PREFIX}/pkg/api/v1alpha1,${PRJ_PREFIX}/pkg/framework/plugins/defaultevictor/" \
+                --input-dirs "$(find_dirs_containing_comment_tags "+k8s:deepcopy-gen=")" \
                 --output-file-base zz_generated.deepcopy
 

hack/update-generated-defaulters.sh

@@ -1,10 +1,11 @@
 #!/bin/bash
 source "$(dirname "${BASH_SOURCE}")/lib/init.sh"
+source "$(dirname "${BASH_SOURCE}")/lib/generator-help.sh"
 
 go build -o "${OS_OUTPUT_BINPATH}/defaulter-gen" "k8s.io/code-generator/cmd/defaulter-gen"
 
 ${OS_OUTPUT_BINPATH}/defaulter-gen \
                 --go-header-file "hack/boilerplate/boilerplate.go.txt" \
-                --input-dirs "${PRJ_PREFIX}/pkg/apis/componentconfig/v1alpha1,${PRJ_PREFIX}/pkg/api/v1alpha1" \
+                --input-dirs "$(find_dirs_containing_comment_tags "+k8s:defaulter-gen=")" \
 		--extra-peer-dirs "${PRJ_PREFIX}/pkg/apis/componentconfig/v1alpha1,${PRJ_PREFIX}/pkg/api/v1alpha1" \
                 --output-file-base zz_generated.defaults

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 'go1.17|go1.18|go1.19') ]]; then
+if [[ -z $(echo "${GO_VERSION[2]}" | grep -E 'go1.18|go1.19|go1.20') ]]; then
   echo "Unknown go version '${GO_VERSION[2]}', skipping gofmt."
   exit 1
 fi

hack/verify-conversions.sh

@@ -16,12 +16,7 @@ git archive --format=tar --prefix=descheduler/ "$(git write-tree)" | (cd "${_des
 _deschedulertmp="${_deschedulertmp}/descheduler"
 
 pushd "${_deschedulertmp}" > /dev/null 2>&1
-go build -o "${OS_OUTPUT_BINPATH}/conversion-gen" "k8s.io/code-generator/cmd/conversion-gen"
-
-${OS_OUTPUT_BINPATH}/conversion-gen \
-		--go-header-file "hack/boilerplate/boilerplate.go.txt" \
-		--input-dirs "./pkg/apis/componentconfig/v1alpha1,./pkg/api/v1alpha1" \
-		--output-file-base zz_generated.conversion
+./hack/update-generated-conversions.sh
 popd > /dev/null 2>&1
 
 pushd "${DESCHEDULER_ROOT}" > /dev/null 2>&1

hack/verify-deep-copies.sh

@@ -16,12 +16,7 @@ git archive --format=tar --prefix=descheduler/ "$(git write-tree)" | (cd "${_des
 _deschedulertmp="${_deschedulertmp}/descheduler"
 
 pushd "${_deschedulertmp}" > /dev/null 2>&1
-go build -o "${OS_OUTPUT_BINPATH}/deepcopy-gen" "k8s.io/code-generator/cmd/deepcopy-gen"
-
-${OS_OUTPUT_BINPATH}/deepcopy-gen \
-                --go-header-file "hack/boilerplate/boilerplate.go.txt" \
-                --input-dirs "./pkg/apis/componentconfig,./pkg/apis/componentconfig/v1alpha1,./pkg/api,./pkg/api/v1alpha1,./pkg/framework/plugins/defaultevictor/" \
-                --output-file-base zz_generated.deepcopy
+./hack/update-generated-deep-copies.sh
 popd > /dev/null 2>&1
 
 pushd "${DESCHEDULER_ROOT}" > /dev/null 2>&1

hack/verify-defaulters.sh

@@ -15,13 +15,7 @@ git archive --format=tar --prefix=descheduler/ "$(git write-tree)" | (cd "${_des
 _deschedulertmp="${_deschedulertmp}/descheduler"
 
 pushd "${_deschedulertmp}" > /dev/null 2>&1
-go build -o "${OS_OUTPUT_BINPATH}/defaulter-gen" "k8s.io/code-generator/cmd/defaulter-gen"
-
-${OS_OUTPUT_BINPATH}/defaulter-gen \
-            --go-header-file "hack/boilerplate/boilerplate.go.txt" \
-            --input-dirs "${PRJ_PREFIX}/pkg/apis/componentconfig/v1alpha1,${PRJ_PREFIX}/pkg/api/v1alpha1" \
-            --extra-peer-dirs "${PRJ_PREFIX}/pkg/apis/componentconfig/v1alpha1,${PRJ_PREFIX}/pkg/api/v1alpha1" \
-            --output-file-base zz_generated.defaults
+./hack/update-generated-defaulters.sh
 popd > /dev/null 2>&1
 
 pushd "${DESCHEDULER_ROOT}" > /dev/null 2>&1

hack/verify-docs.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-# Copyright 2021 The Kubernetes Authors.
+# Copyright 2023 The Kubernetes Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -18,12 +18,18 @@ set -o errexit
 set -o nounset
 set -o pipefail
 
-source "$(dirname "${BASH_SOURCE}")/lib/init.sh"
+SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
 
-go build -o "${OS_OUTPUT_BINPATH}/mdtoc" "sigs.k8s.io/mdtoc"
+temp_dir=$(mktemp -d)
 
-if ! ${OS_OUTPUT_BINPATH}/mdtoc --inplace --dryrun README.md
-then
-  echo "ERROR: Changes detected to table of contents. Run ./hack/update-toc.sh" >&2
-  exit 1
+go run -ldflags "-X main.docGenPath=${temp_dir}" ${SCRIPT_DIR}/doc-gen
+
+if ! _out="$(diff -Naupr ${SCRIPT_DIR}/../docs/cli "${temp_dir}")"; then
+    echo "Generated output differs:" >&2
+    echo "${_out}" >&2
+    echo "Generated conversions verify failed. Please run ./hack/update-docs.sh"
+    rm -rf ${temp_dir}
+    exit 1
 fi
+
+rm -rf ${temp_dir}

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 'go1.17|go1.18|go1.19') ]]; then
+if [[ -z $(echo "${GO_VERSION[2]}" | grep -E 'go1.18|go1.19|go1.20') ]]; then
   echo "Unknown go version '${GO_VERSION[2]}', skipping gofmt."
   exit 1
 fi

kubernetes/base/configmap.yaml

@@ -6,23 +6,28 @@ metadata:
   namespace: kube-system
 data:
   policy.yaml: |
-    apiVersion: "descheduler/v1alpha1"
+    apiVersion: "descheduler/v1alpha2"
     kind: "DeschedulerPolicy"
-    strategies:
-      "RemoveDuplicates":
-         enabled: true
-      "RemovePodsViolatingInterPodAntiAffinity":
-         enabled: true
-      "LowNodeUtilization":
-         enabled: true
-         params:
-           nodeResourceUtilizationThresholds:
-             thresholds:
-               "cpu" : 20
-               "memory": 20
-               "pods": 20
-             targetThresholds:
-               "cpu" : 50
-               "memory": 50
-               "pods": 50
-
+    profiles:
+      - name: ProfileName
+        pluginConfig:
+        - name: "DefaultEvictor"
+        - name: "RemovePodsViolatingInterPodAntiAffinity"
+        - name: "LowNodeUtilization"
+          args:
+            thresholds:
+              "cpu" : 20
+              "memory": 20
+              "pods": 20
+            targetThresholds:
+              "cpu" : 50
+              "memory": 50
+              "pods": 50
+        plugins:
+          balance:
+            enabled:
+              - "LowNodeUtilization"
+              - "RemoveDuplicates"
+          deschedule:
+            enabled:
+              - "RemovePodsViolatingInterPodAntiAffinity"

kubernetes/cronjob/cronjob.yaml

@@ -16,7 +16,7 @@ spec:
           priorityClassName: system-cluster-critical
           containers:
           - name: descheduler
-            image: k8s.gcr.io/descheduler/descheduler:v0.25.1
+            image: registry.k8s.io/descheduler/descheduler:v0.27.0
             volumeMounts:
             - mountPath: /policy-dir
               name: policy-volume

kubernetes/deployment/deployment.yaml

@@ -19,7 +19,7 @@ spec:
       serviceAccountName: descheduler-sa
       containers:
         - name: descheduler
-          image: k8s.gcr.io/descheduler/descheduler:v0.25.1
+          image: registry.k8s.io/descheduler/descheduler:v0.27.0
           imagePullPolicy: IfNotPresent
           command:
             - "/bin/descheduler"

kubernetes/job/job.yaml

@@ -14,7 +14,7 @@ spec:
       priorityClassName: system-cluster-critical
       containers:
         - name: descheduler
-          image: k8s.gcr.io/descheduler/descheduler:v0.25.1
+          image: registry.k8s.io/descheduler/descheduler:v0.27.0
           volumeMounts:
           - mountPath: /policy-dir
             name: policy-volume

metrics/metrics.go

@@ -48,9 +48,29 @@ var (
 		},
 	)
 
+	DeschedulerLoopDuration = metrics.NewHistogramVec(
+		&metrics.HistogramOpts{
+			Subsystem:      DeschedulerSubsystem,
+			Name:           "descheduler_loop_duration_seconds",
+			Help:           "Time taken to complete a full descheduling cycle",
+			StabilityLevel: metrics.ALPHA,
+			Buckets:        []float64{0.01, 0.025, 0.05, 0.1, 0.25, 0.5, 1, 2.5, 5, 10, 25, 50, 100, 250, 500},
+		}, []string{})
+
+	DeschedulerStrategyDuration = metrics.NewHistogramVec(
+		&metrics.HistogramOpts{
+			Subsystem:      DeschedulerSubsystem,
+			Name:           "descheduler_strategy_duration_seconds",
+			Help:           "Time taken to complete Each strategy of the descheduling operation",
+			StabilityLevel: metrics.ALPHA,
+			Buckets:        []float64{0.01, 0.025, 0.05, 0.1, 0.25, 0.5, 1, 2.5, 5, 10, 25, 50, 100},
+		}, []string{"strategy", "profile"})
+
 	metricsList = []metrics.Registerable{
 		PodsEvicted,
 		buildInfo,
+		DeschedulerLoopDuration,
+		DeschedulerStrategyDuration,
 	}
 )
 

pkg/api/conversion.go

@@ -0,0 +1,17 @@
+/*
+Copyright 2023 The Kubernetes 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 api

pkg/api/sort.go

@@ -0,0 +1,23 @@
+/*
+Copyright 2017 The Kubernetes 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 api
+
+import "sort"
+
+func SortDeschedulerProfileByName(profiles []DeschedulerProfile) []DeschedulerProfile {
+	sort.Slice(profiles, func(i, j int) bool {
+		return profiles[i].Name < profiles[j].Name
+	})
+	return profiles
+}

pkg/api/types.go

@@ -19,6 +19,7 @@ package api
 import (
 	v1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
 )
 
 // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
@@ -26,24 +27,12 @@ import (
 type DeschedulerPolicy struct {
 	metav1.TypeMeta
 
-	// Strategies
-	Strategies StrategyList
+	// Profiles
+	Profiles []DeschedulerProfile
 
 	// NodeSelector for a set of nodes to operate over
 	NodeSelector *string
 
-	// EvictFailedBarePods allows pods without ownerReferences and in failed phase to be evicted.
-	EvictFailedBarePods *bool
-
-	// EvictLocalStoragePods allows pods using local storage to be evicted.
-	EvictLocalStoragePods *bool
-
-	// EvictSystemCriticalPods allows eviction of pods of any priority (including Kubernetes system pods)
-	EvictSystemCriticalPods *bool
-
-	// IgnorePVCPods prevents pods with PVCs from being evicted.
-	IgnorePVCPods *bool
-
 	// MaxNoOfPodsToEvictPerNode restricts maximum of pods to be evicted per node.
 	MaxNoOfPodsToEvictPerNode *uint
 
@@ -51,83 +40,44 @@ type DeschedulerPolicy struct {
 	MaxNoOfPodsToEvictPerNamespace *uint
 }
 
-type StrategyName string
-type StrategyList map[StrategyName]DeschedulerStrategy
-
-type DeschedulerStrategy struct {
-	// Enabled or disabled
-	Enabled bool
-
-	// Weight
-	Weight int
-
-	// Strategy parameters
-	Params *StrategyParameters
-}
-
 // Namespaces carries a list of included/excluded namespaces
 // for which a given strategy is applicable
 type Namespaces struct {
-	Include []string
-	Exclude []string
+	Include []string `json:"include"`
+	Exclude []string `json:"exclude"`
 }
 
-// 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
-type StrategyParameters struct {
-	NodeResourceUtilizationThresholds *NodeResourceUtilizationThresholds
-	NodeAffinityType                  []string
-	PodsHavingTooManyRestarts         *PodsHavingTooManyRestarts
-	PodLifeTime                       *PodLifeTime
-	RemoveDuplicates                  *RemoveDuplicates
-	FailedPods                        *FailedPods
-	IncludeSoftConstraints            bool
-	Namespaces                        *Namespaces
-	ThresholdPriority                 *int32
-	ThresholdPriorityClassName        string
-	LabelSelector                     *metav1.LabelSelector
-	NodeFit                           bool
-	IncludePreferNoSchedule           bool
-	ExcludedTaints                    []string
-}
-
-type Percentage float64
-type ResourceThresholds map[v1.ResourceName]Percentage
-
-type NodeResourceUtilizationThresholds struct {
-	UseDeviationThresholds bool
-	Thresholds             ResourceThresholds
-	TargetThresholds       ResourceThresholds
-	NumberOfNodes          int
-}
-
-type PodsHavingTooManyRestarts struct {
-	PodRestartThreshold     int32
-	IncludingInitContainers bool
-}
-
-type RemoveDuplicates struct {
-	ExcludeOwnerKinds []string
-}
-
-type PodLifeTime struct {
-	MaxPodLifeTimeSeconds *uint
-	States                []string
-
-	// Deprecated: Use States instead.
-	PodStatusPhases []string
-}
-
-type FailedPods struct {
-	ExcludeOwnerKinds       []string
-	MinPodLifetimeSeconds   *uint
-	Reasons                 []string
-	IncludingInitContainers bool
-}
+type (
+	Percentage         float64
+	ResourceThresholds map[v1.ResourceName]Percentage
+)
 
 type PriorityThreshold struct {
-	Value *int32
-	Name  string
+	Value *int32 `json:"value"`
+	Name  string `json:"name"`
+}
+
+type DeschedulerProfile struct {
+	Name          string
+	PluginConfigs []PluginConfig
+	Plugins       Plugins
+}
+
+type PluginConfig struct {
+	Name string
+	Args runtime.Object
+}
+
+type Plugins struct {
+	PreSort           PluginSet
+	Sort              PluginSet
+	Deschedule        PluginSet
+	Balance           PluginSet
+	Filter            PluginSet
+	PreEvictionFilter PluginSet
+}
+
+type PluginSet struct {
+	Enabled  []string
+	Disabled []string
 }

pkg/api/v1alpha1/conversion.go

@@ -0,0 +1,271 @@
+/*
+Copyright 2023 The Kubernetes 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 v1alpha1
+
+import (
+	"context"
+	"fmt"
+
+	v1 "k8s.io/api/core/v1"
+	"k8s.io/apimachinery/pkg/conversion"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/serializer"
+	"k8s.io/client-go/informers"
+	clientset "k8s.io/client-go/kubernetes"
+	"k8s.io/klog/v2"
+	"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/framework/pluginregistry"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/defaultevictor"
+	frameworktypes "sigs.k8s.io/descheduler/pkg/framework/types"
+)
+
+var (
+	// pluginArgConversionScheme is a scheme with internal and v1alpha2 registered,
+	// used for defaulting/converting typed PluginConfig Args.
+	// Access via getPluginArgConversionScheme()
+
+	Scheme = runtime.NewScheme()
+	Codecs = serializer.NewCodecFactory(Scheme, serializer.EnableStrict)
+)
+
+// evictorImpl implements the Evictor interface so plugins
+// can evict a pod without importing a specific pod evictor
+type evictorImpl struct {
+	podEvictor    *evictions.PodEvictor
+	evictorFilter frameworktypes.EvictorPlugin
+}
+
+var _ frameworktypes.Evictor = &evictorImpl{}
+
+// Filter checks if a pod can be evicted
+func (ei *evictorImpl) Filter(pod *v1.Pod) bool {
+	return ei.evictorFilter.Filter(pod)
+}
+
+// PreEvictionFilter checks if pod can be evicted right before eviction
+func (ei *evictorImpl) PreEvictionFilter(pod *v1.Pod) bool {
+	return ei.evictorFilter.PreEvictionFilter(pod)
+}
+
+// Evict evicts a pod (no pre-check performed)
+func (ei *evictorImpl) Evict(ctx context.Context, pod *v1.Pod, opts evictions.EvictOptions) bool {
+	return ei.podEvictor.EvictPod(ctx, pod, opts)
+}
+
+func (ei *evictorImpl) NodeLimitExceeded(node *v1.Node) bool {
+	return ei.podEvictor.NodeLimitExceeded(node)
+}
+
+// handleImpl implements the framework handle which gets passed to plugins
+type handleImpl struct {
+	clientSet                 clientset.Interface
+	getPodsAssignedToNodeFunc podutil.GetPodsAssignedToNodeFunc
+	sharedInformerFactory     informers.SharedInformerFactory
+	evictor                   *evictorImpl
+}
+
+var _ frameworktypes.Handle = &handleImpl{}
+
+// ClientSet retrieves kube client set
+func (hi *handleImpl) ClientSet() clientset.Interface {
+	return hi.clientSet
+}
+
+// GetPodsAssignedToNodeFunc retrieves GetPodsAssignedToNodeFunc implementation
+func (hi *handleImpl) GetPodsAssignedToNodeFunc() podutil.GetPodsAssignedToNodeFunc {
+	return hi.getPodsAssignedToNodeFunc
+}
+
+// SharedInformerFactory retrieves shared informer factory
+func (hi *handleImpl) SharedInformerFactory() informers.SharedInformerFactory {
+	return hi.sharedInformerFactory
+}
+
+// Evictor retrieves evictor so plugins can filter and evict pods
+func (hi *handleImpl) Evictor() frameworktypes.Evictor {
+	return hi.evictor
+}
+
+func Convert_v1alpha1_DeschedulerPolicy_To_api_DeschedulerPolicy(in *DeschedulerPolicy, out *api.DeschedulerPolicy, s conversion.Scope) error {
+	err := V1alpha1ToInternal(in, pluginregistry.PluginRegistry, out, s)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func V1alpha1ToInternal(
+	deschedulerPolicy *DeschedulerPolicy,
+	registry pluginregistry.Registry,
+	out *api.DeschedulerPolicy,
+	s conversion.Scope,
+) error {
+	var evictLocalStoragePods bool
+	if deschedulerPolicy.EvictLocalStoragePods != nil {
+		evictLocalStoragePods = *deschedulerPolicy.EvictLocalStoragePods
+	}
+
+	evictBarePods := false
+	if deschedulerPolicy.EvictFailedBarePods != nil {
+		evictBarePods = *deschedulerPolicy.EvictFailedBarePods
+		if evictBarePods {
+			klog.V(1).Info("Warning: EvictFailedBarePods is set to True. This could cause eviction of pods without ownerReferences.")
+		}
+	}
+
+	evictSystemCriticalPods := false
+	if deschedulerPolicy.EvictSystemCriticalPods != nil {
+		evictSystemCriticalPods = *deschedulerPolicy.EvictSystemCriticalPods
+		if evictSystemCriticalPods {
+			klog.V(1).Info("Warning: EvictSystemCriticalPods is set to True. This could cause eviction of Kubernetes system pods.")
+		}
+	}
+
+	ignorePvcPods := false
+	if deschedulerPolicy.IgnorePVCPods != nil {
+		ignorePvcPods = *deschedulerPolicy.IgnorePVCPods
+	}
+
+	var profiles []api.DeschedulerProfile
+
+	// Build profiles
+	for name, strategy := range deschedulerPolicy.Strategies {
+		if _, ok := pluginregistry.PluginRegistry[string(name)]; ok {
+			if strategy.Enabled {
+				params := strategy.Params
+				if params == nil {
+					params = &StrategyParameters{}
+				}
+
+				nodeFit := false
+				if name != "PodLifeTime" {
+					nodeFit = params.NodeFit
+				}
+
+				if params.ThresholdPriority != nil && params.ThresholdPriorityClassName != "" {
+					klog.ErrorS(fmt.Errorf("priority threshold misconfigured"), "only one of priorityThreshold fields can be set", "pluginName", name)
+					return fmt.Errorf("priority threshold misconfigured for plugin %v", name)
+				}
+
+				var priorityThreshold *api.PriorityThreshold
+				if strategy.Params != nil {
+					priorityThreshold = &api.PriorityThreshold{
+						Value: strategy.Params.ThresholdPriority,
+						Name:  strategy.Params.ThresholdPriorityClassName,
+					}
+				}
+
+				var pluginConfig *api.PluginConfig
+				var err error
+				if pcFnc, exists := StrategyParamsToPluginArgs[string(name)]; exists {
+					pluginConfig, err = pcFnc(params)
+					if err != nil {
+						klog.ErrorS(err, "skipping strategy", "strategy", name)
+						return fmt.Errorf("failed to get plugin config for strategy %v: %v", name, err)
+					}
+				} else {
+					klog.ErrorS(fmt.Errorf("unknown strategy name"), "skipping strategy", "strategy", name)
+					return fmt.Errorf("unknown strategy name: %v", name)
+				}
+
+				profile := api.DeschedulerProfile{
+					Name: fmt.Sprintf("strategy-%v-profile", name),
+					PluginConfigs: []api.PluginConfig{
+						{
+							Name: defaultevictor.PluginName,
+							Args: &defaultevictor.DefaultEvictorArgs{
+								EvictLocalStoragePods:   evictLocalStoragePods,
+								EvictSystemCriticalPods: evictSystemCriticalPods,
+								IgnorePvcPods:           ignorePvcPods,
+								EvictFailedBarePods:     evictBarePods,
+								NodeFit:                 nodeFit,
+								PriorityThreshold:       priorityThreshold,
+							},
+						},
+						*pluginConfig,
+					},
+					Plugins: api.Plugins{
+						Filter: api.PluginSet{
+							Enabled: []string{defaultevictor.PluginName},
+						},
+						PreEvictionFilter: api.PluginSet{
+							Enabled: []string{defaultevictor.PluginName},
+						},
+					},
+				}
+
+				pluginArgs := registry[string(name)].PluginArgInstance
+				pluginInstance, err := registry[string(name)].PluginBuilder(pluginArgs, &handleImpl{})
+				if err != nil {
+					klog.ErrorS(fmt.Errorf("could not build plugin"), "plugin build error", "plugin", name)
+					return fmt.Errorf("could not build plugin: %v", name)
+				}
+
+				// pluginInstance can be of any of each type, or both
+				profilePlugins := profile.Plugins
+				profile.Plugins = enableProfilePluginsByType(profilePlugins, pluginInstance, pluginConfig)
+				profiles = append(profiles, profile)
+			}
+		} else {
+			klog.ErrorS(fmt.Errorf("unknown strategy name"), "skipping strategy", "strategy", name)
+			return fmt.Errorf("unknown strategy name: %v", name)
+		}
+	}
+
+	out.Profiles = profiles
+	out.NodeSelector = deschedulerPolicy.NodeSelector
+	out.MaxNoOfPodsToEvictPerNamespace = deschedulerPolicy.MaxNoOfPodsToEvictPerNamespace
+	out.MaxNoOfPodsToEvictPerNode = deschedulerPolicy.MaxNoOfPodsToEvictPerNode
+
+	return nil
+}
+
+func enableProfilePluginsByType(profilePlugins api.Plugins, pluginInstance frameworktypes.Plugin, pluginConfig *api.PluginConfig) api.Plugins {
+	profilePlugins = checkBalance(profilePlugins, pluginInstance, pluginConfig)
+	profilePlugins = checkDeschedule(profilePlugins, pluginInstance, pluginConfig)
+	return profilePlugins
+}
+
+func checkBalance(profilePlugins api.Plugins, pluginInstance frameworktypes.Plugin, pluginConfig *api.PluginConfig) api.Plugins {
+	_, ok := pluginInstance.(frameworktypes.BalancePlugin)
+	if ok {
+		klog.V(3).Infof("converting Balance plugin: %s", pluginInstance.Name())
+		profilePlugins.Balance.Enabled = []string{pluginConfig.Name}
+	}
+	return profilePlugins
+}
+
+func checkDeschedule(profilePlugins api.Plugins, pluginInstance frameworktypes.Plugin, pluginConfig *api.PluginConfig) api.Plugins {
+	_, ok := pluginInstance.(frameworktypes.DeschedulePlugin)
+	if ok {
+		klog.V(3).Infof("converting Deschedule plugin: %s", pluginInstance.Name())
+		profilePlugins.Deschedule.Enabled = []string{pluginConfig.Name}
+	}
+	return profilePlugins
+}
+
+// Register Conversions
+func RegisterConversions(s *runtime.Scheme) error {
+	if err := s.AddGeneratedConversionFunc((*DeschedulerPolicy)(nil), (*api.DeschedulerPolicy)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_v1alpha1_DeschedulerPolicy_To_api_DeschedulerPolicy(a.(*DeschedulerPolicy), b.(*api.DeschedulerPolicy), scope)
+	}); err != nil {
+		return err
+	}
+	return nil
+}

pkg/api/v1alpha1/doc.go

@@ -15,7 +15,6 @@ limitations under the License.
 */
 
 // +k8s:deepcopy-gen=package,register
-// +k8s:conversion-gen=sigs.k8s.io/descheduler/pkg/api
 // +k8s:defaulter-gen=TypeMeta
 
 // Package v1alpha1 is the v1alpha1 version of the descheduler API

pkg/api/v1alpha1/register.go

@@ -28,8 +28,10 @@ var (
 )
 
 // GroupName is the group name used in this package
-const GroupName = "descheduler"
-const GroupVersion = "v1alpha1"
+const (
+	GroupName    = "descheduler"
+	GroupVersion = "v1alpha1"
+)
 
 // SchemeGroupVersion is group version used to register these objects
 var SchemeGroupVersion = schema.GroupVersion{Group: GroupName, Version: GroupVersion}
@@ -48,7 +50,7 @@ func init() {
 	// We only register manually written functions here. The registration of the
 	// generated functions takes place in the generated files. The separation
 	// makes the code compile even when the generated files are missing.
-	localSchemeBuilder.Register(addKnownTypes, addDefaultingFuncs)
+	localSchemeBuilder.Register(addKnownTypes, addDefaultingFuncs, RegisterConversions)
 }
 
 func addKnownTypes(scheme *runtime.Scheme) error {

pkg/api/v1alpha1/strategymigration.go

@@ -0,0 +1,249 @@
+/*
+Copyright 2023 The Kubernetes 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 v1alpha1
+
+import (
+	"fmt"
+
+	"k8s.io/klog/v2"
+	"sigs.k8s.io/descheduler/pkg/api"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/nodeutilization"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/podlifetime"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/removeduplicates"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/removefailedpods"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/removepodshavingtoomanyrestarts"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/removepodsviolatinginterpodantiaffinity"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/removepodsviolatingnodeaffinity"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/removepodsviolatingnodetaints"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/removepodsviolatingtopologyspreadconstraint"
+)
+
+// Once all strategies are migrated the arguments get read from the configuration file
+// without any wiring. Keeping the wiring here so the descheduler can still use
+// the v1alpha1 configuration during the strategy migration to plugins.
+
+var StrategyParamsToPluginArgs = map[string]func(params *StrategyParameters) (*api.PluginConfig, error){
+	"RemovePodsViolatingNodeTaints": func(params *StrategyParameters) (*api.PluginConfig, error) {
+		args := &removepodsviolatingnodetaints.RemovePodsViolatingNodeTaintsArgs{
+			Namespaces:              v1alpha1NamespacesToInternal(params.Namespaces),
+			LabelSelector:           params.LabelSelector,
+			IncludePreferNoSchedule: params.IncludePreferNoSchedule,
+			ExcludedTaints:          params.ExcludedTaints,
+		}
+		if err := removepodsviolatingnodetaints.ValidateRemovePodsViolatingNodeTaintsArgs(args); err != nil {
+			klog.ErrorS(err, "unable to validate plugin arguments", "pluginName", removepodsviolatingnodetaints.PluginName)
+			return nil, fmt.Errorf("strategy %q param validation failed: %v", removepodsviolatingnodetaints.PluginName, err)
+		}
+		return &api.PluginConfig{
+			Name: removepodsviolatingnodetaints.PluginName,
+			Args: args,
+		}, nil
+	},
+	"RemoveFailedPods": func(params *StrategyParameters) (*api.PluginConfig, error) {
+		failedPodsParams := params.FailedPods
+		if failedPodsParams == nil {
+			failedPodsParams = &FailedPods{}
+		}
+		args := &removefailedpods.RemoveFailedPodsArgs{
+			Namespaces:              v1alpha1NamespacesToInternal(params.Namespaces),
+			LabelSelector:           params.LabelSelector,
+			IncludingInitContainers: failedPodsParams.IncludingInitContainers,
+			MinPodLifetimeSeconds:   failedPodsParams.MinPodLifetimeSeconds,
+			ExcludeOwnerKinds:       failedPodsParams.ExcludeOwnerKinds,
+			Reasons:                 failedPodsParams.Reasons,
+		}
+		if err := removefailedpods.ValidateRemoveFailedPodsArgs(args); err != nil {
+			klog.ErrorS(err, "unable to validate plugin arguments", "pluginName", removefailedpods.PluginName)
+			return nil, fmt.Errorf("strategy %q param validation failed: %v", removefailedpods.PluginName, err)
+		}
+		return &api.PluginConfig{
+			Name: removefailedpods.PluginName,
+			Args: args,
+		}, nil
+	},
+	"RemovePodsViolatingNodeAffinity": func(params *StrategyParameters) (*api.PluginConfig, error) {
+		args := &removepodsviolatingnodeaffinity.RemovePodsViolatingNodeAffinityArgs{
+			Namespaces:       v1alpha1NamespacesToInternal(params.Namespaces),
+			LabelSelector:    params.LabelSelector,
+			NodeAffinityType: params.NodeAffinityType,
+		}
+		if err := removepodsviolatingnodeaffinity.ValidateRemovePodsViolatingNodeAffinityArgs(args); err != nil {
+			klog.ErrorS(err, "unable to validate plugin arguments", "pluginName", removepodsviolatingnodeaffinity.PluginName)
+			return nil, fmt.Errorf("strategy %q param validation failed: %v", removepodsviolatingnodeaffinity.PluginName, err)
+		}
+		return &api.PluginConfig{
+			Name: removepodsviolatingnodeaffinity.PluginName,
+			Args: args,
+		}, nil
+	},
+	"RemovePodsViolatingInterPodAntiAffinity": func(params *StrategyParameters) (*api.PluginConfig, error) {
+		args := &removepodsviolatinginterpodantiaffinity.RemovePodsViolatingInterPodAntiAffinityArgs{
+			Namespaces:    v1alpha1NamespacesToInternal(params.Namespaces),
+			LabelSelector: params.LabelSelector,
+		}
+		if err := removepodsviolatinginterpodantiaffinity.ValidateRemovePodsViolatingInterPodAntiAffinityArgs(args); err != nil {
+			klog.ErrorS(err, "unable to validate plugin arguments", "pluginName", removepodsviolatinginterpodantiaffinity.PluginName)
+			return nil, fmt.Errorf("strategy %q param validation failed: %v", removepodsviolatinginterpodantiaffinity.PluginName, err)
+		}
+		return &api.PluginConfig{
+			Name: removepodsviolatinginterpodantiaffinity.PluginName,
+			Args: args,
+		}, nil
+	},
+	"RemovePodsHavingTooManyRestarts": func(params *StrategyParameters) (*api.PluginConfig, error) {
+		tooManyRestartsParams := params.PodsHavingTooManyRestarts
+		if tooManyRestartsParams == nil {
+			tooManyRestartsParams = &PodsHavingTooManyRestarts{}
+		}
+		args := &removepodshavingtoomanyrestarts.RemovePodsHavingTooManyRestartsArgs{
+			Namespaces:              v1alpha1NamespacesToInternal(params.Namespaces),
+			LabelSelector:           params.LabelSelector,
+			PodRestartThreshold:     tooManyRestartsParams.PodRestartThreshold,
+			IncludingInitContainers: tooManyRestartsParams.IncludingInitContainers,
+		}
+		if err := removepodshavingtoomanyrestarts.ValidateRemovePodsHavingTooManyRestartsArgs(args); err != nil {
+			klog.ErrorS(err, "unable to validate plugin arguments", "pluginName", removepodshavingtoomanyrestarts.PluginName)
+			return nil, fmt.Errorf("strategy %q param validation failed: %v", removepodshavingtoomanyrestarts.PluginName, err)
+		}
+		return &api.PluginConfig{
+			Name: removepodshavingtoomanyrestarts.PluginName,
+			Args: args,
+		}, nil
+	},
+	"PodLifeTime": func(params *StrategyParameters) (*api.PluginConfig, error) {
+		podLifeTimeParams := params.PodLifeTime
+		if podLifeTimeParams == nil {
+			podLifeTimeParams = &PodLifeTime{}
+		}
+
+		var states []string
+		if podLifeTimeParams.PodStatusPhases != nil {
+			states = append(states, podLifeTimeParams.PodStatusPhases...)
+		}
+		if podLifeTimeParams.States != nil {
+			states = append(states, podLifeTimeParams.States...)
+		}
+
+		args := &podlifetime.PodLifeTimeArgs{
+			Namespaces:            v1alpha1NamespacesToInternal(params.Namespaces),
+			LabelSelector:         params.LabelSelector,
+			MaxPodLifeTimeSeconds: podLifeTimeParams.MaxPodLifeTimeSeconds,
+			States:                states,
+		}
+		if err := podlifetime.ValidatePodLifeTimeArgs(args); err != nil {
+			klog.ErrorS(err, "unable to validate plugin arguments", "pluginName", podlifetime.PluginName)
+			return nil, fmt.Errorf("strategy %q param validation failed: %v", podlifetime.PluginName, err)
+		}
+		return &api.PluginConfig{
+			Name: podlifetime.PluginName,
+			Args: args,
+		}, nil
+	},
+	"RemoveDuplicates": func(params *StrategyParameters) (*api.PluginConfig, error) {
+		args := &removeduplicates.RemoveDuplicatesArgs{
+			Namespaces: v1alpha1NamespacesToInternal(params.Namespaces),
+		}
+		if params.RemoveDuplicates != nil {
+			args.ExcludeOwnerKinds = params.RemoveDuplicates.ExcludeOwnerKinds
+		}
+		if err := removeduplicates.ValidateRemoveDuplicatesArgs(args); err != nil {
+			klog.ErrorS(err, "unable to validate plugin arguments", "pluginName", removeduplicates.PluginName)
+			return nil, fmt.Errorf("strategy %q param validation failed: %v", removeduplicates.PluginName, err)
+		}
+		return &api.PluginConfig{
+			Name: removeduplicates.PluginName,
+			Args: args,
+		}, nil
+	},
+	"RemovePodsViolatingTopologySpreadConstraint": func(params *StrategyParameters) (*api.PluginConfig, error) {
+		args := &removepodsviolatingtopologyspreadconstraint.RemovePodsViolatingTopologySpreadConstraintArgs{
+			Namespaces:             v1alpha1NamespacesToInternal(params.Namespaces),
+			LabelSelector:          params.LabelSelector,
+			IncludeSoftConstraints: params.IncludeSoftConstraints,
+		}
+		if err := removepodsviolatingtopologyspreadconstraint.ValidateRemovePodsViolatingTopologySpreadConstraintArgs(args); err != nil {
+			klog.ErrorS(err, "unable to validate plugin arguments", "pluginName", removepodsviolatingtopologyspreadconstraint.PluginName)
+			return nil, fmt.Errorf("strategy %q param validation failed: %v", removepodsviolatingtopologyspreadconstraint.PluginName, err)
+		}
+		return &api.PluginConfig{
+			Name: removepodsviolatingtopologyspreadconstraint.PluginName,
+			Args: args,
+		}, nil
+	},
+	"HighNodeUtilization": func(params *StrategyParameters) (*api.PluginConfig, error) {
+		if params.NodeResourceUtilizationThresholds == nil {
+			params.NodeResourceUtilizationThresholds = &NodeResourceUtilizationThresholds{}
+		}
+		args := &nodeutilization.HighNodeUtilizationArgs{
+			EvictableNamespaces: v1alpha1NamespacesToInternal(params.Namespaces),
+			Thresholds:          v1alpha1ThresholdToInternal(params.NodeResourceUtilizationThresholds.Thresholds),
+			NumberOfNodes:       params.NodeResourceUtilizationThresholds.NumberOfNodes,
+		}
+		if err := nodeutilization.ValidateHighNodeUtilizationArgs(args); err != nil {
+			klog.ErrorS(err, "unable to validate plugin arguments", "pluginName", nodeutilization.HighNodeUtilizationPluginName)
+			return nil, fmt.Errorf("strategy %q param validation failed: %v", nodeutilization.HighNodeUtilizationPluginName, err)
+		}
+		return &api.PluginConfig{
+			Name: nodeutilization.HighNodeUtilizationPluginName,
+			Args: args,
+		}, nil
+	},
+	"LowNodeUtilization": func(params *StrategyParameters) (*api.PluginConfig, error) {
+		if params.NodeResourceUtilizationThresholds == nil {
+			params.NodeResourceUtilizationThresholds = &NodeResourceUtilizationThresholds{}
+		}
+		args := &nodeutilization.LowNodeUtilizationArgs{
+			EvictableNamespaces:    v1alpha1NamespacesToInternal(params.Namespaces),
+			Thresholds:             v1alpha1ThresholdToInternal(params.NodeResourceUtilizationThresholds.Thresholds),
+			TargetThresholds:       v1alpha1ThresholdToInternal(params.NodeResourceUtilizationThresholds.TargetThresholds),
+			UseDeviationThresholds: params.NodeResourceUtilizationThresholds.UseDeviationThresholds,
+			NumberOfNodes:          params.NodeResourceUtilizationThresholds.NumberOfNodes,
+		}
+
+		if err := nodeutilization.ValidateLowNodeUtilizationArgs(args); err != nil {
+			klog.ErrorS(err, "unable to validate plugin arguments", "pluginName", nodeutilization.LowNodeUtilizationPluginName)
+			return nil, fmt.Errorf("strategy %q param validation failed: %v", nodeutilization.LowNodeUtilizationPluginName, err)
+		}
+		return &api.PluginConfig{
+			Name: nodeutilization.LowNodeUtilizationPluginName,
+			Args: args,
+		}, nil
+	},
+}
+
+func v1alpha1NamespacesToInternal(namespaces *Namespaces) *api.Namespaces {
+	internal := &api.Namespaces{}
+	if namespaces != nil {
+		if namespaces.Exclude != nil {
+			internal.Exclude = namespaces.Exclude
+		}
+		if namespaces.Include != nil {
+			internal.Include = namespaces.Include
+		}
+	} else {
+		internal = nil
+	}
+	return internal
+}
+
+func v1alpha1ThresholdToInternal(thresholds ResourceThresholds) api.ResourceThresholds {
+	internal := make(api.ResourceThresholds, len(thresholds))
+	for k, v := range thresholds {
+		internal[k] = api.Percentage(float64(v))
+	}
+	return internal
+}

pkg/api/v1alpha1/strategymigration_test.go

@@ -0,0 +1,843 @@
+/*
+Copyright 2022 The Kubernetes 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 v1alpha1
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/google/go-cmp/cmp"
+	utilpointer "k8s.io/utils/pointer"
+	"sigs.k8s.io/descheduler/pkg/api"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/nodeutilization"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/podlifetime"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/removeduplicates"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/removefailedpods"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/removepodshavingtoomanyrestarts"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/removepodsviolatinginterpodantiaffinity"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/removepodsviolatingnodeaffinity"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/removepodsviolatingnodetaints"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/removepodsviolatingtopologyspreadconstraint"
+)
+
+func TestStrategyParamsToPluginArgsRemovePodsViolatingNodeTaints(t *testing.T) {
+	strategyName := "RemovePodsViolatingNodeTaints"
+	type testCase struct {
+		description string
+		params      *StrategyParameters
+		err         error
+		result      *api.PluginConfig
+	}
+	testCases := []testCase{
+		{
+			description: "wire in all valid parameters",
+			params: &StrategyParameters{
+				ExcludedTaints: []string{
+					"dedicated=special-user",
+					"reserved",
+				},
+				ThresholdPriority: utilpointer.Int32(100),
+				Namespaces: &Namespaces{
+					Exclude: []string{"test1"},
+				},
+			},
+			err: nil,
+			result: &api.PluginConfig{
+				Name: removepodsviolatingnodetaints.PluginName,
+				Args: &removepodsviolatingnodetaints.RemovePodsViolatingNodeTaintsArgs{
+					Namespaces: &api.Namespaces{
+						Exclude: []string{"test1"},
+					},
+					ExcludedTaints: []string{"dedicated=special-user", "reserved"},
+				},
+			},
+		},
+		{
+			description: "invalid params namespaces",
+			params: &StrategyParameters{
+				Namespaces: &Namespaces{
+					Exclude: []string{"test1"},
+					Include: []string{"test2"},
+				},
+			},
+			err:    fmt.Errorf("strategy \"%s\" param validation failed: only one of Include/Exclude namespaces can be set", strategyName),
+			result: nil,
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.description, func(t *testing.T) {
+			var result *api.PluginConfig
+			var err error
+			if pcFnc, exists := StrategyParamsToPluginArgs[strategyName]; exists {
+				result, err = pcFnc(tc.params)
+			}
+			if err != nil {
+				if err.Error() != tc.err.Error() {
+					t.Errorf("unexpected error: %s", err.Error())
+				}
+			}
+			if err == nil {
+				// sort to easily compare deepequality
+				diff := cmp.Diff(tc.result, result)
+				if diff != "" {
+					t.Errorf("test '%s' failed. Results are not deep equal. mismatch (-want +got):\n%s", tc.description, diff)
+				}
+			}
+		})
+	}
+}
+
+func TestStrategyParamsToPluginArgsRemoveFailedPods(t *testing.T) {
+	strategyName := "RemoveFailedPods"
+	type testCase struct {
+		description string
+		params      *StrategyParameters
+		err         error
+		result      *api.PluginConfig
+	}
+	testCases := []testCase{
+		{
+			description: "wire in all valid parameters",
+			params: &StrategyParameters{
+				FailedPods: &FailedPods{
+					MinPodLifetimeSeconds:   utilpointer.Uint(3600),
+					ExcludeOwnerKinds:       []string{"Job"},
+					Reasons:                 []string{"NodeAffinity"},
+					IncludingInitContainers: true,
+				},
+				ThresholdPriority: utilpointer.Int32(100),
+				Namespaces: &Namespaces{
+					Exclude: []string{"test1"},
+				},
+			},
+			err: nil,
+			result: &api.PluginConfig{
+				Name: removefailedpods.PluginName,
+				Args: &removefailedpods.RemoveFailedPodsArgs{
+					ExcludeOwnerKinds:       []string{"Job"},
+					MinPodLifetimeSeconds:   utilpointer.Uint(3600),
+					Reasons:                 []string{"NodeAffinity"},
+					IncludingInitContainers: true,
+					Namespaces: &api.Namespaces{
+						Exclude: []string{"test1"},
+					},
+				},
+			},
+		},
+		{
+			description: "invalid params namespaces",
+			params: &StrategyParameters{
+				Namespaces: &Namespaces{
+					Exclude: []string{"test1"},
+					Include: []string{"test2"},
+				},
+			},
+			err:    fmt.Errorf("strategy \"%s\" param validation failed: only one of Include/Exclude namespaces can be set", strategyName),
+			result: nil,
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.description, func(t *testing.T) {
+			var result *api.PluginConfig
+			var err error
+			if pcFnc, exists := StrategyParamsToPluginArgs[strategyName]; exists {
+				result, err = pcFnc(tc.params)
+			}
+			if err != nil {
+				if err.Error() != tc.err.Error() {
+					t.Errorf("unexpected error: %s", err.Error())
+				}
+			}
+			if err == nil {
+				// sort to easily compare deepequality
+				diff := cmp.Diff(tc.result, result)
+				if diff != "" {
+					t.Errorf("test '%s' failed. Results are not deep equal. mismatch (-want +got):\n%s", tc.description, diff)
+				}
+			}
+		})
+	}
+}
+
+func TestStrategyParamsToPluginArgsRemovePodsViolatingNodeAffinity(t *testing.T) {
+	strategyName := "RemovePodsViolatingNodeAffinity"
+	type testCase struct {
+		description string
+		params      *StrategyParameters
+		err         error
+		result      *api.PluginConfig
+	}
+	testCases := []testCase{
+		{
+			description: "wire in all valid parameters",
+			params: &StrategyParameters{
+				NodeAffinityType:  []string{"requiredDuringSchedulingIgnoredDuringExecution"},
+				ThresholdPriority: utilpointer.Int32(100),
+				Namespaces: &Namespaces{
+					Exclude: []string{"test1"},
+				},
+			},
+			err: nil,
+			result: &api.PluginConfig{
+				Name: removepodsviolatingnodeaffinity.PluginName,
+				Args: &removepodsviolatingnodeaffinity.RemovePodsViolatingNodeAffinityArgs{
+					NodeAffinityType: []string{"requiredDuringSchedulingIgnoredDuringExecution"},
+					Namespaces: &api.Namespaces{
+						Exclude: []string{"test1"},
+					},
+				},
+			},
+		},
+		{
+			description: "invalid params, not setting nodeaffinity type",
+			params:      &StrategyParameters{},
+			err:         fmt.Errorf("strategy \"%s\" param validation failed: nodeAffinityType needs to be set", strategyName),
+			result:      nil,
+		},
+		{
+			description: "invalid params namespaces",
+			params: &StrategyParameters{
+				NodeAffinityType: []string{"requiredDuringSchedulingIgnoredDuringExecution"},
+				Namespaces: &Namespaces{
+					Exclude: []string{"test1"},
+					Include: []string{"test2"},
+				},
+			},
+			err:    fmt.Errorf("strategy \"%s\" param validation failed: only one of Include/Exclude namespaces can be set", strategyName),
+			result: nil,
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.description, func(t *testing.T) {
+			var result *api.PluginConfig
+			var err error
+			if pcFnc, exists := StrategyParamsToPluginArgs[strategyName]; exists {
+				result, err = pcFnc(tc.params)
+			}
+			if err != nil {
+				if err.Error() != tc.err.Error() {
+					t.Errorf("unexpected error: %s", err.Error())
+				}
+			}
+			if err == nil {
+				// sort to easily compare deepequality
+				diff := cmp.Diff(tc.result, result)
+				if diff != "" {
+					t.Errorf("test '%s' failed. Results are not deep equal. mismatch (-want +got):\n%s", tc.description, diff)
+				}
+			}
+		})
+	}
+}
+
+func TestStrategyParamsToPluginArgsRemovePodsViolatingInterPodAntiAffinity(t *testing.T) {
+	strategyName := "RemovePodsViolatingInterPodAntiAffinity"
+	type testCase struct {
+		description string
+		params      *StrategyParameters
+		err         error
+		result      *api.PluginConfig
+	}
+	testCases := []testCase{
+		{
+			description: "wire in all valid parameters",
+			params: &StrategyParameters{
+				ThresholdPriority: utilpointer.Int32(100),
+				Namespaces: &Namespaces{
+					Exclude: []string{"test1"},
+				},
+			},
+			err: nil,
+			result: &api.PluginConfig{
+				Name: removepodsviolatinginterpodantiaffinity.PluginName,
+				Args: &removepodsviolatinginterpodantiaffinity.RemovePodsViolatingInterPodAntiAffinityArgs{
+					Namespaces: &api.Namespaces{
+						Exclude: []string{"test1"},
+					},
+				},
+			},
+		},
+		{
+			description: "invalid params namespaces",
+			params: &StrategyParameters{
+				Namespaces: &Namespaces{
+					Exclude: []string{"test1"},
+					Include: []string{"test2"},
+				},
+			},
+			err:    fmt.Errorf("strategy \"%s\" param validation failed: only one of Include/Exclude namespaces can be set", strategyName),
+			result: nil,
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.description, func(t *testing.T) {
+			var result *api.PluginConfig
+			var err error
+			if pcFnc, exists := StrategyParamsToPluginArgs[strategyName]; exists {
+				result, err = pcFnc(tc.params)
+			}
+			if err != nil {
+				if err.Error() != tc.err.Error() {
+					t.Errorf("unexpected error: %s", err.Error())
+				}
+			}
+			if err == nil {
+				// sort to easily compare deepequality
+				diff := cmp.Diff(tc.result, result)
+				if diff != "" {
+					t.Errorf("test '%s' failed. Results are not deep equal. mismatch (-want +got):\n%s", tc.description, diff)
+				}
+			}
+		})
+	}
+}
+
+func TestStrategyParamsToPluginArgsRemovePodsHavingTooManyRestarts(t *testing.T) {
+	strategyName := "RemovePodsHavingTooManyRestarts"
+	type testCase struct {
+		description string
+		params      *StrategyParameters
+		err         error
+		result      *api.PluginConfig
+	}
+	testCases := []testCase{
+		{
+			description: "wire in all valid parameters",
+			params: &StrategyParameters{
+				PodsHavingTooManyRestarts: &PodsHavingTooManyRestarts{
+					PodRestartThreshold:     100,
+					IncludingInitContainers: true,
+				},
+				ThresholdPriority: utilpointer.Int32(100),
+				Namespaces: &Namespaces{
+					Exclude: []string{"test1"},
+				},
+			},
+			err: nil,
+			result: &api.PluginConfig{
+				Name: removepodshavingtoomanyrestarts.PluginName,
+				Args: &removepodshavingtoomanyrestarts.RemovePodsHavingTooManyRestartsArgs{
+					PodRestartThreshold:     100,
+					IncludingInitContainers: true,
+					Namespaces: &api.Namespaces{
+						Exclude: []string{"test1"},
+					},
+				},
+			},
+		},
+		{
+			description: "invalid params namespaces",
+			params: &StrategyParameters{
+				Namespaces: &Namespaces{
+					Exclude: []string{"test1"},
+					Include: []string{"test2"},
+				},
+			},
+			err:    fmt.Errorf("strategy \"%s\" param validation failed: only one of Include/Exclude namespaces can be set", strategyName),
+			result: nil,
+		},
+		{
+			description: "invalid params restart threshold",
+			params: &StrategyParameters{
+				PodsHavingTooManyRestarts: &PodsHavingTooManyRestarts{
+					PodRestartThreshold: 0,
+				},
+			},
+			err:    fmt.Errorf("strategy \"%s\" param validation failed: invalid PodsHavingTooManyRestarts threshold", strategyName),
+			result: nil,
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.description, func(t *testing.T) {
+			var result *api.PluginConfig
+			var err error
+			if pcFnc, exists := StrategyParamsToPluginArgs[strategyName]; exists {
+				result, err = pcFnc(tc.params)
+			}
+			if err != nil {
+				if err.Error() != tc.err.Error() {
+					t.Errorf("unexpected error: %s", err.Error())
+				}
+			}
+			if err == nil {
+				// sort to easily compare deepequality
+				diff := cmp.Diff(tc.result, result)
+				if diff != "" {
+					t.Errorf("test '%s' failed. Results are not deep equal. mismatch (-want +got):\n%s", tc.description, diff)
+				}
+			}
+		})
+	}
+}
+
+func TestStrategyParamsToPluginArgsPodLifeTime(t *testing.T) {
+	strategyName := "PodLifeTime"
+	type testCase struct {
+		description string
+		params      *StrategyParameters
+		err         error
+		result      *api.PluginConfig
+	}
+	testCases := []testCase{
+		{
+			description: "wire in all valid parameters",
+			params: &StrategyParameters{
+				PodLifeTime: &PodLifeTime{
+					MaxPodLifeTimeSeconds: utilpointer.Uint(86400),
+					States: []string{
+						"Pending",
+						"PodInitializing",
+					},
+				},
+				ThresholdPriority: utilpointer.Int32(100),
+				Namespaces: &Namespaces{
+					Exclude: []string{"test1"},
+				},
+			},
+			err: nil,
+			result: &api.PluginConfig{
+				Name: podlifetime.PluginName,
+				Args: &podlifetime.PodLifeTimeArgs{
+					MaxPodLifeTimeSeconds: utilpointer.Uint(86400),
+					States: []string{
+						"Pending",
+						"PodInitializing",
+					},
+					Namespaces: &api.Namespaces{
+						Exclude: []string{"test1"},
+					},
+				},
+			},
+		},
+		{
+			description: "invalid params namespaces",
+			params: &StrategyParameters{
+				PodLifeTime: &PodLifeTime{
+					MaxPodLifeTimeSeconds: utilpointer.Uint(86400),
+				},
+				Namespaces: &Namespaces{
+					Exclude: []string{"test1"},
+					Include: []string{"test2"},
+				},
+			},
+			err:    fmt.Errorf("strategy \"%s\" param validation failed: only one of Include/Exclude namespaces can be set", strategyName),
+			result: nil,
+		},
+		{
+			description: "invalid params MaxPodLifeTimeSeconds not set",
+			params: &StrategyParameters{
+				PodLifeTime: &PodLifeTime{},
+			},
+			err:    fmt.Errorf("strategy \"%s\" param validation failed: MaxPodLifeTimeSeconds not set", strategyName),
+			result: nil,
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.description, func(t *testing.T) {
+			var result *api.PluginConfig
+			var err error
+			if pcFnc, exists := StrategyParamsToPluginArgs[strategyName]; exists {
+				result, err = pcFnc(tc.params)
+			}
+			if err != nil {
+				if err.Error() != tc.err.Error() {
+					t.Errorf("unexpected error: %s", err.Error())
+				}
+			}
+			if err == nil {
+				// sort to easily compare deepequality
+				diff := cmp.Diff(tc.result, result)
+				if diff != "" {
+					t.Errorf("test '%s' failed. Results are not deep equal. mismatch (-want +got):\n%s", tc.description, diff)
+				}
+			}
+		})
+	}
+}
+
+func TestStrategyParamsToPluginArgsRemoveDuplicates(t *testing.T) {
+	strategyName := "RemoveDuplicates"
+	type testCase struct {
+		description string
+		params      *StrategyParameters
+		err         error
+		result      *api.PluginConfig
+	}
+	testCases := []testCase{
+		{
+			description: "wire in all valid parameters",
+			params: &StrategyParameters{
+				RemoveDuplicates: &RemoveDuplicates{
+					ExcludeOwnerKinds: []string{"ReplicaSet"},
+				},
+				ThresholdPriority: utilpointer.Int32(100),
+				Namespaces: &Namespaces{
+					Exclude: []string{"test1"},
+				},
+			},
+			err: nil,
+			result: &api.PluginConfig{
+				Name: removeduplicates.PluginName,
+				Args: &removeduplicates.RemoveDuplicatesArgs{
+					ExcludeOwnerKinds: []string{"ReplicaSet"},
+					Namespaces: &api.Namespaces{
+						Exclude: []string{"test1"},
+					},
+				},
+			},
+		},
+		{
+			description: "invalid params namespaces",
+			params: &StrategyParameters{
+				PodLifeTime: &PodLifeTime{
+					MaxPodLifeTimeSeconds: utilpointer.Uint(86400),
+				},
+				Namespaces: &Namespaces{
+					Exclude: []string{"test1"},
+					Include: []string{"test2"},
+				},
+			},
+			err:    fmt.Errorf("strategy \"%s\" param validation failed: only one of Include/Exclude namespaces can be set", strategyName),
+			result: nil,
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.description, func(t *testing.T) {
+			var result *api.PluginConfig
+			var err error
+			if pcFnc, exists := StrategyParamsToPluginArgs[strategyName]; exists {
+				result, err = pcFnc(tc.params)
+			}
+			if err != nil {
+				if err.Error() != tc.err.Error() {
+					t.Errorf("unexpected error: %s", err.Error())
+				}
+			}
+			if err == nil {
+				// sort to easily compare deepequality
+				diff := cmp.Diff(tc.result, result)
+				if diff != "" {
+					t.Errorf("test '%s' failed. Results are not deep equal. mismatch (-want +got):\n%s", tc.description, diff)
+				}
+			}
+		})
+	}
+}
+
+func TestStrategyParamsToPluginArgsRemovePodsViolatingTopologySpreadConstraint(t *testing.T) {
+	strategyName := "RemovePodsViolatingTopologySpreadConstraint"
+	type testCase struct {
+		description string
+		params      *StrategyParameters
+		err         error
+		result      *api.PluginConfig
+	}
+	testCases := []testCase{
+		{
+			description: "wire in all valid parameters",
+			params: &StrategyParameters{
+				IncludeSoftConstraints: true,
+				ThresholdPriority:      utilpointer.Int32(100),
+				Namespaces: &Namespaces{
+					Exclude: []string{"test1"},
+				},
+			},
+			err: nil,
+			result: &api.PluginConfig{
+				Name: removepodsviolatingtopologyspreadconstraint.PluginName,
+				Args: &removepodsviolatingtopologyspreadconstraint.RemovePodsViolatingTopologySpreadConstraintArgs{
+					IncludeSoftConstraints: true,
+					Namespaces: &api.Namespaces{
+						Exclude: []string{"test1"},
+					},
+				},
+			},
+		},
+		{
+			description: "invalid params namespaces",
+			params: &StrategyParameters{
+				Namespaces: &Namespaces{
+					Exclude: []string{"test1"},
+					Include: []string{"test2"},
+				},
+			},
+			err:    fmt.Errorf("strategy \"%s\" param validation failed: only one of Include/Exclude namespaces can be set", strategyName),
+			result: nil,
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.description, func(t *testing.T) {
+			var result *api.PluginConfig
+			var err error
+			if pcFnc, exists := StrategyParamsToPluginArgs[strategyName]; exists {
+				result, err = pcFnc(tc.params)
+			}
+			if err != nil {
+				if err.Error() != tc.err.Error() {
+					t.Errorf("unexpected error: %s", err.Error())
+				}
+			}
+			if err == nil {
+				// sort to easily compare deepequality
+				diff := cmp.Diff(tc.result, result)
+				if diff != "" {
+					t.Errorf("test '%s' failed. Results are not deep equal. mismatch (-want +got):\n%s", tc.description, diff)
+				}
+			}
+		})
+	}
+}
+
+func TestStrategyParamsToPluginArgsHighNodeUtilization(t *testing.T) {
+	strategyName := "HighNodeUtilization"
+	type testCase struct {
+		description string
+		params      *StrategyParameters
+		err         error
+		result      *api.PluginConfig
+	}
+	testCases := []testCase{
+		{
+			description: "wire in all valid parameters",
+			params: &StrategyParameters{
+				NodeResourceUtilizationThresholds: &NodeResourceUtilizationThresholds{
+					NumberOfNodes: 3,
+					Thresholds: ResourceThresholds{
+						"cpu":    Percentage(20),
+						"memory": Percentage(20),
+						"pods":   Percentage(20),
+					},
+				},
+				ThresholdPriority: utilpointer.Int32(100),
+				Namespaces: &Namespaces{
+					Exclude: []string{"test1"},
+				},
+			},
+			err: nil,
+			result: &api.PluginConfig{
+				Name: nodeutilization.HighNodeUtilizationPluginName,
+				Args: &nodeutilization.HighNodeUtilizationArgs{
+					Thresholds: api.ResourceThresholds{
+						"cpu":    api.Percentage(20),
+						"memory": api.Percentage(20),
+						"pods":   api.Percentage(20),
+					},
+					NumberOfNodes: 3,
+					EvictableNamespaces: &api.Namespaces{
+						Exclude: []string{"test1"},
+					},
+				},
+			},
+		},
+		{
+			description: "invalid params namespaces",
+			params: &StrategyParameters{
+				NodeResourceUtilizationThresholds: &NodeResourceUtilizationThresholds{
+					NumberOfNodes: 3,
+					Thresholds: ResourceThresholds{
+						"cpu":    Percentage(20),
+						"memory": Percentage(20),
+						"pods":   Percentage(20),
+					},
+				},
+				Namespaces: &Namespaces{
+					Include: []string{"test2"},
+				},
+			},
+			err:    fmt.Errorf("strategy \"%s\" param validation failed: only Exclude namespaces can be set, inclusion is not supported", strategyName),
+			result: nil,
+		},
+		{
+			description: "invalid params nil ResourceThresholds",
+			params: &StrategyParameters{
+				NodeResourceUtilizationThresholds: &NodeResourceUtilizationThresholds{
+					NumberOfNodes: 3,
+				},
+			},
+			err:    fmt.Errorf("strategy \"%s\" param validation failed: no resource threshold is configured", strategyName),
+			result: nil,
+		},
+		{
+			description: "invalid params out of bounds threshold",
+			params: &StrategyParameters{
+				NodeResourceUtilizationThresholds: &NodeResourceUtilizationThresholds{
+					NumberOfNodes: 3,
+					Thresholds: ResourceThresholds{
+						"cpu": Percentage(150),
+					},
+				},
+			},
+			err:    fmt.Errorf("strategy \"%s\" param validation failed: cpu threshold not in [0, 100] range", strategyName),
+			result: nil,
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.description, func(t *testing.T) {
+			var result *api.PluginConfig
+			var err error
+			if pcFnc, exists := StrategyParamsToPluginArgs[strategyName]; exists {
+				result, err = pcFnc(tc.params)
+			}
+			if err != nil {
+				if err.Error() != tc.err.Error() {
+					t.Errorf("unexpected error: %s", err.Error())
+				}
+			}
+			if err == nil {
+				// sort to easily compare deepequality
+				diff := cmp.Diff(tc.result, result)
+				if diff != "" {
+					t.Errorf("test '%s' failed. Results are not deep equal. mismatch (-want +got):\n%s", tc.description, diff)
+				}
+			}
+		})
+	}
+}
+
+func TestStrategyParamsToPluginArgsLowNodeUtilization(t *testing.T) {
+	strategyName := "LowNodeUtilization"
+	type testCase struct {
+		description string
+		params      *StrategyParameters
+		err         error
+		result      *api.PluginConfig
+	}
+	testCases := []testCase{
+		{
+			description: "wire in all valid parameters",
+			params: &StrategyParameters{
+				NodeResourceUtilizationThresholds: &NodeResourceUtilizationThresholds{
+					NumberOfNodes: 3,
+					Thresholds: ResourceThresholds{
+						"cpu":    Percentage(20),
+						"memory": Percentage(20),
+						"pods":   Percentage(20),
+					},
+					TargetThresholds: ResourceThresholds{
+						"cpu":    Percentage(50),
+						"memory": Percentage(50),
+						"pods":   Percentage(50),
+					},
+					UseDeviationThresholds: true,
+				},
+				ThresholdPriority: utilpointer.Int32(100),
+				Namespaces: &Namespaces{
+					Exclude: []string{"test1"},
+				},
+			},
+			err: nil,
+			result: &api.PluginConfig{
+				Name: nodeutilization.LowNodeUtilizationPluginName,
+				Args: &nodeutilization.LowNodeUtilizationArgs{
+					Thresholds: api.ResourceThresholds{
+						"cpu":    api.Percentage(20),
+						"memory": api.Percentage(20),
+						"pods":   api.Percentage(20),
+					},
+					TargetThresholds: api.ResourceThresholds{
+						"cpu":    api.Percentage(50),
+						"memory": api.Percentage(50),
+						"pods":   api.Percentage(50),
+					},
+					UseDeviationThresholds: true,
+					NumberOfNodes:          3,
+					EvictableNamespaces: &api.Namespaces{
+						Exclude: []string{"test1"},
+					},
+				},
+			},
+		},
+		{
+			description: "invalid params namespaces",
+			params: &StrategyParameters{
+				NodeResourceUtilizationThresholds: &NodeResourceUtilizationThresholds{
+					NumberOfNodes: 3,
+					Thresholds: ResourceThresholds{
+						"cpu":    Percentage(20),
+						"memory": Percentage(20),
+						"pods":   Percentage(20),
+					},
+					TargetThresholds: ResourceThresholds{
+						"cpu":    Percentage(50),
+						"memory": Percentage(50),
+						"pods":   Percentage(50),
+					},
+					UseDeviationThresholds: true,
+				},
+				Namespaces: &Namespaces{
+					Include: []string{"test2"},
+				},
+			},
+			err:    fmt.Errorf("strategy \"%s\" param validation failed: only Exclude namespaces can be set, inclusion is not supported", strategyName),
+			result: nil,
+		},
+		{
+			description: "invalid params nil ResourceThresholds",
+			params: &StrategyParameters{
+				NodeResourceUtilizationThresholds: &NodeResourceUtilizationThresholds{
+					NumberOfNodes: 3,
+				},
+			},
+			err:    fmt.Errorf("strategy \"%s\" param validation failed: thresholds config is not valid: no resource threshold is configured", strategyName),
+			result: nil,
+		},
+		{
+			description: "invalid params out of bounds threshold",
+			params: &StrategyParameters{
+				NodeResourceUtilizationThresholds: &NodeResourceUtilizationThresholds{
+					NumberOfNodes: 3,
+					Thresholds: ResourceThresholds{
+						"cpu": Percentage(150),
+					},
+				},
+			},
+			err:    fmt.Errorf("strategy \"%s\" param validation failed: thresholds config is not valid: cpu threshold not in [0, 100] range", strategyName),
+			result: nil,
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.description, func(t *testing.T) {
+			var result *api.PluginConfig
+			var err error
+			if pcFnc, exists := StrategyParamsToPluginArgs[strategyName]; exists {
+				result, err = pcFnc(tc.params)
+			}
+			if err != nil {
+				if err.Error() != tc.err.Error() {
+					t.Errorf("unexpected error: %s", err.Error())
+				}
+			}
+			if err == nil {
+				// sort to easily compare deepequality
+				diff := cmp.Diff(tc.result, result)
+				if diff != "" {
+					t.Errorf("test '%s' failed. Results are not deep equal. mismatch (-want +got):\n%s", tc.description, diff)
+				}
+			}
+		})
+	}
+}

pkg/api/v1alpha1/types.go

@@ -45,14 +45,16 @@ type DeschedulerPolicy struct {
 	IgnorePVCPods *bool `json:"ignorePvcPods,omitempty"`
 
 	// MaxNoOfPodsToEvictPerNode restricts maximum of pods to be evicted per node.
-	MaxNoOfPodsToEvictPerNode *int `json:"maxNoOfPodsToEvictPerNode,omitempty"`
+	MaxNoOfPodsToEvictPerNode *uint `json:"maxNoOfPodsToEvictPerNode,omitempty"`
 
 	// MaxNoOfPodsToEvictPerNamespace restricts maximum of pods to be evicted per namespace.
-	MaxNoOfPodsToEvictPerNamespace *int `json:"maxNoOfPodsToEvictPerNamespace,omitempty"`
+	MaxNoOfPodsToEvictPerNamespace *uint `json:"maxNoOfPodsToEvictPerNamespace,omitempty"`
 }
 
-type StrategyName string
-type StrategyList map[StrategyName]DeschedulerStrategy
+type (
+	StrategyName string
+	StrategyList map[StrategyName]DeschedulerStrategy
+)
 
 type DeschedulerStrategy struct {
 	// Enabled or disabled
@@ -90,8 +92,10 @@ type StrategyParameters struct {
 	ExcludedTaints                    []string                           `json:"excludedTaints,omitempty"`
 }
 
-type Percentage float64
-type ResourceThresholds map[v1.ResourceName]Percentage
+type (
+	Percentage         float64
+	ResourceThresholds map[v1.ResourceName]Percentage
+)
 
 type NodeResourceUtilizationThresholds struct {
 	UseDeviationThresholds bool               `json:"useDeviationThresholds,omitempty"`

pkg/api/v1alpha1/zz_generated.conversion.go

@@ -1,399 +0,0 @@
-//go:build !ignore_autogenerated
-// +build !ignore_autogenerated
-
-/*
-Copyright 2022 The Kubernetes 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.
-*/
-
-// Code generated by conversion-gen. DO NOT EDIT.
-
-package v1alpha1
-
-import (
-	unsafe "unsafe"
-
-	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	conversion "k8s.io/apimachinery/pkg/conversion"
-	runtime "k8s.io/apimachinery/pkg/runtime"
-	api "sigs.k8s.io/descheduler/pkg/api"
-)
-
-func init() {
-	localSchemeBuilder.Register(RegisterConversions)
-}
-
-// RegisterConversions adds conversion functions to the given scheme.
-// Public to allow building arbitrary schemes.
-func RegisterConversions(s *runtime.Scheme) error {
-	if err := s.AddGeneratedConversionFunc((*DeschedulerPolicy)(nil), (*api.DeschedulerPolicy)(nil), func(a, b interface{}, scope conversion.Scope) error {
-		return Convert_v1alpha1_DeschedulerPolicy_To_api_DeschedulerPolicy(a.(*DeschedulerPolicy), b.(*api.DeschedulerPolicy), scope)
-	}); err != nil {
-		return err
-	}
-	if err := s.AddGeneratedConversionFunc((*api.DeschedulerPolicy)(nil), (*DeschedulerPolicy)(nil), func(a, b interface{}, scope conversion.Scope) error {
-		return Convert_api_DeschedulerPolicy_To_v1alpha1_DeschedulerPolicy(a.(*api.DeschedulerPolicy), b.(*DeschedulerPolicy), scope)
-	}); err != nil {
-		return err
-	}
-	if err := s.AddGeneratedConversionFunc((*DeschedulerStrategy)(nil), (*api.DeschedulerStrategy)(nil), func(a, b interface{}, scope conversion.Scope) error {
-		return Convert_v1alpha1_DeschedulerStrategy_To_api_DeschedulerStrategy(a.(*DeschedulerStrategy), b.(*api.DeschedulerStrategy), scope)
-	}); err != nil {
-		return err
-	}
-	if err := s.AddGeneratedConversionFunc((*api.DeschedulerStrategy)(nil), (*DeschedulerStrategy)(nil), func(a, b interface{}, scope conversion.Scope) error {
-		return Convert_api_DeschedulerStrategy_To_v1alpha1_DeschedulerStrategy(a.(*api.DeschedulerStrategy), b.(*DeschedulerStrategy), scope)
-	}); err != nil {
-		return err
-	}
-	if err := s.AddGeneratedConversionFunc((*FailedPods)(nil), (*api.FailedPods)(nil), func(a, b interface{}, scope conversion.Scope) error {
-		return Convert_v1alpha1_FailedPods_To_api_FailedPods(a.(*FailedPods), b.(*api.FailedPods), scope)
-	}); err != nil {
-		return err
-	}
-	if err := s.AddGeneratedConversionFunc((*api.FailedPods)(nil), (*FailedPods)(nil), func(a, b interface{}, scope conversion.Scope) error {
-		return Convert_api_FailedPods_To_v1alpha1_FailedPods(a.(*api.FailedPods), b.(*FailedPods), scope)
-	}); 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 {
-		return err
-	}
-	if err := s.AddGeneratedConversionFunc((*api.NodeResourceUtilizationThresholds)(nil), (*NodeResourceUtilizationThresholds)(nil), func(a, b interface{}, scope conversion.Scope) error {
-		return Convert_api_NodeResourceUtilizationThresholds_To_v1alpha1_NodeResourceUtilizationThresholds(a.(*api.NodeResourceUtilizationThresholds), b.(*NodeResourceUtilizationThresholds), scope)
-	}); err != nil {
-		return err
-	}
-	if err := s.AddGeneratedConversionFunc((*PodLifeTime)(nil), (*api.PodLifeTime)(nil), func(a, b interface{}, scope conversion.Scope) error {
-		return Convert_v1alpha1_PodLifeTime_To_api_PodLifeTime(a.(*PodLifeTime), b.(*api.PodLifeTime), scope)
-	}); err != nil {
-		return err
-	}
-	if err := s.AddGeneratedConversionFunc((*api.PodLifeTime)(nil), (*PodLifeTime)(nil), func(a, b interface{}, scope conversion.Scope) error {
-		return Convert_api_PodLifeTime_To_v1alpha1_PodLifeTime(a.(*api.PodLifeTime), b.(*PodLifeTime), scope)
-	}); err != nil {
-		return err
-	}
-	if err := s.AddGeneratedConversionFunc((*PodsHavingTooManyRestarts)(nil), (*api.PodsHavingTooManyRestarts)(nil), func(a, b interface{}, scope conversion.Scope) error {
-		return Convert_v1alpha1_PodsHavingTooManyRestarts_To_api_PodsHavingTooManyRestarts(a.(*PodsHavingTooManyRestarts), b.(*api.PodsHavingTooManyRestarts), scope)
-	}); err != nil {
-		return err
-	}
-	if err := s.AddGeneratedConversionFunc((*api.PodsHavingTooManyRestarts)(nil), (*PodsHavingTooManyRestarts)(nil), func(a, b interface{}, scope conversion.Scope) error {
-		return Convert_api_PodsHavingTooManyRestarts_To_v1alpha1_PodsHavingTooManyRestarts(a.(*api.PodsHavingTooManyRestarts), b.(*PodsHavingTooManyRestarts), scope)
-	}); err != nil {
-		return err
-	}
-	if err := s.AddGeneratedConversionFunc((*RemoveDuplicates)(nil), (*api.RemoveDuplicates)(nil), func(a, b interface{}, scope conversion.Scope) error {
-		return Convert_v1alpha1_RemoveDuplicates_To_api_RemoveDuplicates(a.(*RemoveDuplicates), b.(*api.RemoveDuplicates), scope)
-	}); err != nil {
-		return err
-	}
-	if err := s.AddGeneratedConversionFunc((*api.RemoveDuplicates)(nil), (*RemoveDuplicates)(nil), func(a, b interface{}, scope conversion.Scope) error {
-		return Convert_api_RemoveDuplicates_To_v1alpha1_RemoveDuplicates(a.(*api.RemoveDuplicates), b.(*RemoveDuplicates), scope)
-	}); err != nil {
-		return err
-	}
-	if err := s.AddGeneratedConversionFunc((*StrategyParameters)(nil), (*api.StrategyParameters)(nil), func(a, b interface{}, scope conversion.Scope) error {
-		return Convert_v1alpha1_StrategyParameters_To_api_StrategyParameters(a.(*StrategyParameters), b.(*api.StrategyParameters), scope)
-	}); err != nil {
-		return err
-	}
-	if err := s.AddGeneratedConversionFunc((*api.StrategyParameters)(nil), (*StrategyParameters)(nil), func(a, b interface{}, scope conversion.Scope) error {
-		return Convert_api_StrategyParameters_To_v1alpha1_StrategyParameters(a.(*api.StrategyParameters), b.(*StrategyParameters), scope)
-	}); err != nil {
-		return err
-	}
-	return nil
-}
-
-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.EvictFailedBarePods = (*bool)(unsafe.Pointer(in.EvictFailedBarePods))
-	out.EvictLocalStoragePods = (*bool)(unsafe.Pointer(in.EvictLocalStoragePods))
-	out.EvictSystemCriticalPods = (*bool)(unsafe.Pointer(in.EvictSystemCriticalPods))
-	out.IgnorePVCPods = (*bool)(unsafe.Pointer(in.IgnorePVCPods))
-	if in.MaxNoOfPodsToEvictPerNode != nil {
-		in, out := &in.MaxNoOfPodsToEvictPerNode, &out.MaxNoOfPodsToEvictPerNode
-		*out = new(uint)
-		**out = uint(**in)
-	} else {
-		out.MaxNoOfPodsToEvictPerNode = nil
-	}
-	if in.MaxNoOfPodsToEvictPerNamespace != nil {
-		in, out := &in.MaxNoOfPodsToEvictPerNamespace, &out.MaxNoOfPodsToEvictPerNamespace
-		*out = new(uint)
-		**out = uint(**in)
-	} else {
-		out.MaxNoOfPodsToEvictPerNamespace = nil
-	}
-	return nil
-}
-
-// Convert_v1alpha1_DeschedulerPolicy_To_api_DeschedulerPolicy is an autogenerated conversion function.
-func Convert_v1alpha1_DeschedulerPolicy_To_api_DeschedulerPolicy(in *DeschedulerPolicy, out *api.DeschedulerPolicy, s conversion.Scope) error {
-	return autoConvert_v1alpha1_DeschedulerPolicy_To_api_DeschedulerPolicy(in, out, s)
-}
-
-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.EvictFailedBarePods = (*bool)(unsafe.Pointer(in.EvictFailedBarePods))
-	out.EvictLocalStoragePods = (*bool)(unsafe.Pointer(in.EvictLocalStoragePods))
-	out.EvictSystemCriticalPods = (*bool)(unsafe.Pointer(in.EvictSystemCriticalPods))
-	out.IgnorePVCPods = (*bool)(unsafe.Pointer(in.IgnorePVCPods))
-	if in.MaxNoOfPodsToEvictPerNode != nil {
-		in, out := &in.MaxNoOfPodsToEvictPerNode, &out.MaxNoOfPodsToEvictPerNode
-		*out = new(int)
-		**out = int(**in)
-	} else {
-		out.MaxNoOfPodsToEvictPerNode = nil
-	}
-	if in.MaxNoOfPodsToEvictPerNamespace != nil {
-		in, out := &in.MaxNoOfPodsToEvictPerNamespace, &out.MaxNoOfPodsToEvictPerNamespace
-		*out = new(int)
-		**out = int(**in)
-	} else {
-		out.MaxNoOfPodsToEvictPerNamespace = nil
-	}
-	return nil
-}
-
-// Convert_api_DeschedulerPolicy_To_v1alpha1_DeschedulerPolicy is an autogenerated conversion function.
-func Convert_api_DeschedulerPolicy_To_v1alpha1_DeschedulerPolicy(in *api.DeschedulerPolicy, out *DeschedulerPolicy, s conversion.Scope) error {
-	return autoConvert_api_DeschedulerPolicy_To_v1alpha1_DeschedulerPolicy(in, out, s)
-}
-
-func autoConvert_v1alpha1_DeschedulerStrategy_To_api_DeschedulerStrategy(in *DeschedulerStrategy, out *api.DeschedulerStrategy, s conversion.Scope) error {
-	out.Enabled = in.Enabled
-	out.Weight = in.Weight
-	out.Params = (*api.StrategyParameters)(unsafe.Pointer(in.Params))
-	return nil
-}
-
-// Convert_v1alpha1_DeschedulerStrategy_To_api_DeschedulerStrategy is an autogenerated conversion function.
-func Convert_v1alpha1_DeschedulerStrategy_To_api_DeschedulerStrategy(in *DeschedulerStrategy, out *api.DeschedulerStrategy, s conversion.Scope) error {
-	return autoConvert_v1alpha1_DeschedulerStrategy_To_api_DeschedulerStrategy(in, out, s)
-}
-
-func autoConvert_api_DeschedulerStrategy_To_v1alpha1_DeschedulerStrategy(in *api.DeschedulerStrategy, out *DeschedulerStrategy, s conversion.Scope) error {
-	out.Enabled = in.Enabled
-	out.Weight = in.Weight
-	out.Params = (*StrategyParameters)(unsafe.Pointer(in.Params))
-	return nil
-}
-
-// Convert_api_DeschedulerStrategy_To_v1alpha1_DeschedulerStrategy is an autogenerated conversion function.
-func Convert_api_DeschedulerStrategy_To_v1alpha1_DeschedulerStrategy(in *api.DeschedulerStrategy, out *DeschedulerStrategy, s conversion.Scope) error {
-	return autoConvert_api_DeschedulerStrategy_To_v1alpha1_DeschedulerStrategy(in, out, s)
-}
-
-func autoConvert_v1alpha1_FailedPods_To_api_FailedPods(in *FailedPods, out *api.FailedPods, s conversion.Scope) error {
-	out.ExcludeOwnerKinds = *(*[]string)(unsafe.Pointer(&in.ExcludeOwnerKinds))
-	out.MinPodLifetimeSeconds = (*uint)(unsafe.Pointer(in.MinPodLifetimeSeconds))
-	out.Reasons = *(*[]string)(unsafe.Pointer(&in.Reasons))
-	out.IncludingInitContainers = in.IncludingInitContainers
-	return nil
-}
-
-// Convert_v1alpha1_FailedPods_To_api_FailedPods is an autogenerated conversion function.
-func Convert_v1alpha1_FailedPods_To_api_FailedPods(in *FailedPods, out *api.FailedPods, s conversion.Scope) error {
-	return autoConvert_v1alpha1_FailedPods_To_api_FailedPods(in, out, s)
-}
-
-func autoConvert_api_FailedPods_To_v1alpha1_FailedPods(in *api.FailedPods, out *FailedPods, s conversion.Scope) error {
-	out.ExcludeOwnerKinds = *(*[]string)(unsafe.Pointer(&in.ExcludeOwnerKinds))
-	out.MinPodLifetimeSeconds = (*uint)(unsafe.Pointer(in.MinPodLifetimeSeconds))
-	out.Reasons = *(*[]string)(unsafe.Pointer(&in.Reasons))
-	out.IncludingInitContainers = in.IncludingInitContainers
-	return nil
-}
-
-// Convert_api_FailedPods_To_v1alpha1_FailedPods is an autogenerated conversion function.
-func Convert_api_FailedPods_To_v1alpha1_FailedPods(in *api.FailedPods, out *FailedPods, s conversion.Scope) error {
-	return autoConvert_api_FailedPods_To_v1alpha1_FailedPods(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.UseDeviationThresholds = in.UseDeviationThresholds
-	out.Thresholds = *(*api.ResourceThresholds)(unsafe.Pointer(&in.Thresholds))
-	out.TargetThresholds = *(*api.ResourceThresholds)(unsafe.Pointer(&in.TargetThresholds))
-	out.NumberOfNodes = in.NumberOfNodes
-	return nil
-}
-
-// Convert_v1alpha1_NodeResourceUtilizationThresholds_To_api_NodeResourceUtilizationThresholds is an autogenerated conversion function.
-func Convert_v1alpha1_NodeResourceUtilizationThresholds_To_api_NodeResourceUtilizationThresholds(in *NodeResourceUtilizationThresholds, out *api.NodeResourceUtilizationThresholds, s conversion.Scope) error {
-	return autoConvert_v1alpha1_NodeResourceUtilizationThresholds_To_api_NodeResourceUtilizationThresholds(in, out, s)
-}
-
-func autoConvert_api_NodeResourceUtilizationThresholds_To_v1alpha1_NodeResourceUtilizationThresholds(in *api.NodeResourceUtilizationThresholds, out *NodeResourceUtilizationThresholds, s conversion.Scope) error {
-	out.UseDeviationThresholds = in.UseDeviationThresholds
-	out.Thresholds = *(*ResourceThresholds)(unsafe.Pointer(&in.Thresholds))
-	out.TargetThresholds = *(*ResourceThresholds)(unsafe.Pointer(&in.TargetThresholds))
-	out.NumberOfNodes = in.NumberOfNodes
-	return nil
-}
-
-// Convert_api_NodeResourceUtilizationThresholds_To_v1alpha1_NodeResourceUtilizationThresholds is an autogenerated conversion function.
-func Convert_api_NodeResourceUtilizationThresholds_To_v1alpha1_NodeResourceUtilizationThresholds(in *api.NodeResourceUtilizationThresholds, out *NodeResourceUtilizationThresholds, s conversion.Scope) error {
-	return autoConvert_api_NodeResourceUtilizationThresholds_To_v1alpha1_NodeResourceUtilizationThresholds(in, out, s)
-}
-
-func autoConvert_v1alpha1_PodLifeTime_To_api_PodLifeTime(in *PodLifeTime, out *api.PodLifeTime, s conversion.Scope) error {
-	out.MaxPodLifeTimeSeconds = (*uint)(unsafe.Pointer(in.MaxPodLifeTimeSeconds))
-	out.States = *(*[]string)(unsafe.Pointer(&in.States))
-	out.PodStatusPhases = *(*[]string)(unsafe.Pointer(&in.PodStatusPhases))
-	return nil
-}
-
-// Convert_v1alpha1_PodLifeTime_To_api_PodLifeTime is an autogenerated conversion function.
-func Convert_v1alpha1_PodLifeTime_To_api_PodLifeTime(in *PodLifeTime, out *api.PodLifeTime, s conversion.Scope) error {
-	return autoConvert_v1alpha1_PodLifeTime_To_api_PodLifeTime(in, out, s)
-}
-
-func autoConvert_api_PodLifeTime_To_v1alpha1_PodLifeTime(in *api.PodLifeTime, out *PodLifeTime, s conversion.Scope) error {
-	out.MaxPodLifeTimeSeconds = (*uint)(unsafe.Pointer(in.MaxPodLifeTimeSeconds))
-	out.States = *(*[]string)(unsafe.Pointer(&in.States))
-	out.PodStatusPhases = *(*[]string)(unsafe.Pointer(&in.PodStatusPhases))
-	return nil
-}
-
-// Convert_api_PodLifeTime_To_v1alpha1_PodLifeTime is an autogenerated conversion function.
-func Convert_api_PodLifeTime_To_v1alpha1_PodLifeTime(in *api.PodLifeTime, out *PodLifeTime, s conversion.Scope) error {
-	return autoConvert_api_PodLifeTime_To_v1alpha1_PodLifeTime(in, out, s)
-}
-
-func autoConvert_v1alpha1_PodsHavingTooManyRestarts_To_api_PodsHavingTooManyRestarts(in *PodsHavingTooManyRestarts, out *api.PodsHavingTooManyRestarts, s conversion.Scope) error {
-	out.PodRestartThreshold = in.PodRestartThreshold
-	out.IncludingInitContainers = in.IncludingInitContainers
-	return nil
-}
-
-// Convert_v1alpha1_PodsHavingTooManyRestarts_To_api_PodsHavingTooManyRestarts is an autogenerated conversion function.
-func Convert_v1alpha1_PodsHavingTooManyRestarts_To_api_PodsHavingTooManyRestarts(in *PodsHavingTooManyRestarts, out *api.PodsHavingTooManyRestarts, s conversion.Scope) error {
-	return autoConvert_v1alpha1_PodsHavingTooManyRestarts_To_api_PodsHavingTooManyRestarts(in, out, s)
-}
-
-func autoConvert_api_PodsHavingTooManyRestarts_To_v1alpha1_PodsHavingTooManyRestarts(in *api.PodsHavingTooManyRestarts, out *PodsHavingTooManyRestarts, s conversion.Scope) error {
-	out.PodRestartThreshold = in.PodRestartThreshold
-	out.IncludingInitContainers = in.IncludingInitContainers
-	return nil
-}
-
-// Convert_api_PodsHavingTooManyRestarts_To_v1alpha1_PodsHavingTooManyRestarts is an autogenerated conversion function.
-func Convert_api_PodsHavingTooManyRestarts_To_v1alpha1_PodsHavingTooManyRestarts(in *api.PodsHavingTooManyRestarts, out *PodsHavingTooManyRestarts, s conversion.Scope) error {
-	return autoConvert_api_PodsHavingTooManyRestarts_To_v1alpha1_PodsHavingTooManyRestarts(in, out, s)
-}
-
-func autoConvert_v1alpha1_RemoveDuplicates_To_api_RemoveDuplicates(in *RemoveDuplicates, out *api.RemoveDuplicates, s conversion.Scope) error {
-	out.ExcludeOwnerKinds = *(*[]string)(unsafe.Pointer(&in.ExcludeOwnerKinds))
-	return nil
-}
-
-// Convert_v1alpha1_RemoveDuplicates_To_api_RemoveDuplicates is an autogenerated conversion function.
-func Convert_v1alpha1_RemoveDuplicates_To_api_RemoveDuplicates(in *RemoveDuplicates, out *api.RemoveDuplicates, s conversion.Scope) error {
-	return autoConvert_v1alpha1_RemoveDuplicates_To_api_RemoveDuplicates(in, out, s)
-}
-
-func autoConvert_api_RemoveDuplicates_To_v1alpha1_RemoveDuplicates(in *api.RemoveDuplicates, out *RemoveDuplicates, s conversion.Scope) error {
-	out.ExcludeOwnerKinds = *(*[]string)(unsafe.Pointer(&in.ExcludeOwnerKinds))
-	return nil
-}
-
-// Convert_api_RemoveDuplicates_To_v1alpha1_RemoveDuplicates is an autogenerated conversion function.
-func Convert_api_RemoveDuplicates_To_v1alpha1_RemoveDuplicates(in *api.RemoveDuplicates, out *RemoveDuplicates, s conversion.Scope) error {
-	return autoConvert_api_RemoveDuplicates_To_v1alpha1_RemoveDuplicates(in, out, s)
-}
-
-func autoConvert_v1alpha1_StrategyParameters_To_api_StrategyParameters(in *StrategyParameters, out *api.StrategyParameters, s conversion.Scope) error {
-	out.NodeResourceUtilizationThresholds = (*api.NodeResourceUtilizationThresholds)(unsafe.Pointer(in.NodeResourceUtilizationThresholds))
-	out.NodeAffinityType = *(*[]string)(unsafe.Pointer(&in.NodeAffinityType))
-	out.PodsHavingTooManyRestarts = (*api.PodsHavingTooManyRestarts)(unsafe.Pointer(in.PodsHavingTooManyRestarts))
-	out.PodLifeTime = (*api.PodLifeTime)(unsafe.Pointer(in.PodLifeTime))
-	out.RemoveDuplicates = (*api.RemoveDuplicates)(unsafe.Pointer(in.RemoveDuplicates))
-	out.FailedPods = (*api.FailedPods)(unsafe.Pointer(in.FailedPods))
-	out.IncludeSoftConstraints = in.IncludeSoftConstraints
-	out.Namespaces = (*api.Namespaces)(unsafe.Pointer(in.Namespaces))
-	out.ThresholdPriority = (*int32)(unsafe.Pointer(in.ThresholdPriority))
-	out.ThresholdPriorityClassName = in.ThresholdPriorityClassName
-	out.LabelSelector = (*v1.LabelSelector)(unsafe.Pointer(in.LabelSelector))
-	out.NodeFit = in.NodeFit
-	out.IncludePreferNoSchedule = in.IncludePreferNoSchedule
-	out.ExcludedTaints = *(*[]string)(unsafe.Pointer(&in.ExcludedTaints))
-	return nil
-}
-
-// Convert_v1alpha1_StrategyParameters_To_api_StrategyParameters is an autogenerated conversion function.
-func Convert_v1alpha1_StrategyParameters_To_api_StrategyParameters(in *StrategyParameters, out *api.StrategyParameters, s conversion.Scope) error {
-	return autoConvert_v1alpha1_StrategyParameters_To_api_StrategyParameters(in, out, s)
-}
-
-func autoConvert_api_StrategyParameters_To_v1alpha1_StrategyParameters(in *api.StrategyParameters, out *StrategyParameters, s conversion.Scope) error {
-	out.NodeResourceUtilizationThresholds = (*NodeResourceUtilizationThresholds)(unsafe.Pointer(in.NodeResourceUtilizationThresholds))
-	out.NodeAffinityType = *(*[]string)(unsafe.Pointer(&in.NodeAffinityType))
-	out.PodsHavingTooManyRestarts = (*PodsHavingTooManyRestarts)(unsafe.Pointer(in.PodsHavingTooManyRestarts))
-	out.PodLifeTime = (*PodLifeTime)(unsafe.Pointer(in.PodLifeTime))
-	out.RemoveDuplicates = (*RemoveDuplicates)(unsafe.Pointer(in.RemoveDuplicates))
-	out.FailedPods = (*FailedPods)(unsafe.Pointer(in.FailedPods))
-	out.IncludeSoftConstraints = in.IncludeSoftConstraints
-	out.Namespaces = (*Namespaces)(unsafe.Pointer(in.Namespaces))
-	out.ThresholdPriority = (*int32)(unsafe.Pointer(in.ThresholdPriority))
-	out.ThresholdPriorityClassName = in.ThresholdPriorityClassName
-	out.LabelSelector = (*v1.LabelSelector)(unsafe.Pointer(in.LabelSelector))
-	out.NodeFit = in.NodeFit
-	out.IncludePreferNoSchedule = in.IncludePreferNoSchedule
-	out.ExcludedTaints = *(*[]string)(unsafe.Pointer(&in.ExcludedTaints))
-	return nil
-}
-
-// Convert_api_StrategyParameters_To_v1alpha1_StrategyParameters is an autogenerated conversion function.
-func Convert_api_StrategyParameters_To_v1alpha1_StrategyParameters(in *api.StrategyParameters, out *StrategyParameters, s conversion.Scope) error {
-	return autoConvert_api_StrategyParameters_To_v1alpha1_StrategyParameters(in, out, s)
-}

pkg/api/v1alpha1/zz_generated.deepcopy.go

@@ -2,7 +2,7 @@
 // +build !ignore_autogenerated
 
 /*
-Copyright 2022 The Kubernetes Authors.
+Copyright 2023 The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -64,12 +64,12 @@ func (in *DeschedulerPolicy) DeepCopyInto(out *DeschedulerPolicy) {
 	}
 	if in.MaxNoOfPodsToEvictPerNode != nil {
 		in, out := &in.MaxNoOfPodsToEvictPerNode, &out.MaxNoOfPodsToEvictPerNode
-		*out = new(int)
+		*out = new(uint)
 		**out = **in
 	}
 	if in.MaxNoOfPodsToEvictPerNamespace != nil {
 		in, out := &in.MaxNoOfPodsToEvictPerNamespace, &out.MaxNoOfPodsToEvictPerNamespace
-		*out = new(int)
+		*out = new(uint)
 		**out = **in
 	}
 	return

pkg/api/v1alpha1/zz_generated.defaults.go

@@ -2,7 +2,7 @@
 // +build !ignore_autogenerated
 
 /*
-Copyright 2022 The Kubernetes Authors.
+Copyright 2023 The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/api/v1alpha2/conversion.go

@@ -0,0 +1,136 @@
+/*
+Copyright 2023 The Kubernetes 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 v1alpha2
+
+import (
+	"fmt"
+	"sync"
+
+	"k8s.io/apimachinery/pkg/conversion"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/serializer"
+	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
+	api "sigs.k8s.io/descheduler/pkg/api"
+
+	"sigs.k8s.io/descheduler/pkg/framework/pluginregistry"
+)
+
+var (
+	// pluginArgConversionScheme is a scheme with internal and v1alpha2 registered,
+	// used for defaulting/converting typed PluginConfig Args.
+	// Access via getPluginArgConversionScheme()
+	pluginArgConversionScheme     *runtime.Scheme
+	initPluginArgConversionScheme sync.Once
+
+	Scheme = runtime.NewScheme()
+	Codecs = serializer.NewCodecFactory(Scheme, serializer.EnableStrict)
+)
+
+func GetPluginArgConversionScheme() *runtime.Scheme {
+	initPluginArgConversionScheme.Do(func() {
+		// set up the scheme used for plugin arg conversion
+		pluginArgConversionScheme = runtime.NewScheme()
+		utilruntime.Must(AddToScheme(pluginArgConversionScheme))
+		utilruntime.Must(api.AddToScheme(pluginArgConversionScheme))
+	})
+	return pluginArgConversionScheme
+}
+
+func Convert_v1alpha2_DeschedulerPolicy_To_api_DeschedulerPolicy(in *DeschedulerPolicy, out *api.DeschedulerPolicy, s conversion.Scope) error {
+	if err := autoConvert_v1alpha2_DeschedulerPolicy_To_api_DeschedulerPolicy(in, out, s); err != nil {
+		return err
+	}
+	return convertToInternalPluginConfigArgs(out)
+}
+
+// convertToInternalPluginConfigArgs converts PluginConfig#Args into internal
+// types using a scheme, after applying defaults.
+func convertToInternalPluginConfigArgs(out *api.DeschedulerPolicy) error {
+	scheme := GetPluginArgConversionScheme()
+	for i := range out.Profiles {
+		prof := &out.Profiles[i]
+		for j := range prof.PluginConfigs {
+			args := prof.PluginConfigs[j].Args
+			if args == nil {
+				continue
+			}
+			if _, isUnknown := args.(*runtime.Unknown); isUnknown {
+				continue
+			}
+			internalArgs, err := scheme.ConvertToVersion(args, api.SchemeGroupVersion)
+			if err != nil {
+				err = nil
+				internalArgs = args
+				if err != nil {
+					return fmt.Errorf("converting .Profiles[%d].PluginConfigs[%d].Args into internal type: %w", i, j, err)
+				}
+			}
+			prof.PluginConfigs[j].Args = internalArgs
+		}
+	}
+	return nil
+}
+
+func Convert_v1alpha2_PluginConfig_To_api_PluginConfig(in *PluginConfig, out *api.PluginConfig, s conversion.Scope) error {
+	out.Name = in.Name
+	if _, ok := pluginregistry.PluginRegistry[in.Name]; ok {
+		out.Args = pluginregistry.PluginRegistry[in.Name].PluginArgInstance.DeepCopyObject()
+		if in.Args.Raw != nil {
+			_, _, err := Codecs.UniversalDecoder().Decode(in.Args.Raw, nil, out.Args)
+			if err != nil {
+				return err
+			}
+		} else if in.Args.Object != nil {
+			out.Args = in.Args.Object
+		}
+	} else {
+		if err := runtime.Convert_runtime_RawExtension_To_runtime_Object(&in.Args, &out.Args, s); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func Convert_api_DeschedulerPolicy_To_v1alpha2_DeschedulerPolicy(in *api.DeschedulerPolicy, out *DeschedulerPolicy, s conversion.Scope) error {
+	if err := autoConvert_api_DeschedulerPolicy_To_v1alpha2_DeschedulerPolicy(in, out, s); err != nil {
+		return err
+	}
+	return convertToExternalPluginConfigArgs(out)
+}
+
+// convertToExternalPluginConfigArgs converts PluginConfig#Args into
+// external (versioned) types using a scheme.
+func convertToExternalPluginConfigArgs(out *DeschedulerPolicy) error {
+	scheme := GetPluginArgConversionScheme()
+	for i := range out.Profiles {
+		for j := range out.Profiles[i].PluginConfigs {
+			args := out.Profiles[i].PluginConfigs[j].Args
+			if args.Object == nil {
+				continue
+			}
+			if _, isUnknown := args.Object.(*runtime.Unknown); isUnknown {
+				continue
+			}
+			externalArgs, err := scheme.ConvertToVersion(args.Object, SchemeGroupVersion)
+			if err != nil {
+				return err
+			}
+			out.Profiles[i].PluginConfigs[j].Args.Object = externalArgs
+		}
+	}
+	return nil
+}

pkg/api/v1alpha2/defaults.go

@@ -0,0 +1,23 @@
+/*
+Copyright 2023 The Kubernetes 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 v1alpha2
+
+import "k8s.io/apimachinery/pkg/runtime"
+
+func addDefaultingFuncs(scheme *runtime.Scheme) error {
+	return RegisterDefaults(scheme)
+}

pkg/api/v1alpha2/doc.go

@@ -0,0 +1,24 @@
+/*
+Copyright 2023 The Kubernetes 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.
+*/
+
+// +k8s:deepcopy-gen=package,register
+// +k8s:conversion-gen=sigs.k8s.io/descheduler/pkg/api
+// +k8s:defaulter-gen=TypeMeta
+
+// Package v1alpha2 is the v1alpha2 version of the descheduler API
+// +groupName=descheduler
+
+package v1alpha2 // import "sigs.k8s.io/descheduler/pkg/api/v1alpha2"

pkg/api/v1alpha2/register.go

@@ -0,0 +1,63 @@
+/*
+Copyright 2023 The Kubernetes 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 v1alpha2
+
+import (
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+)
+
+var (
+	SchemeBuilder      = runtime.NewSchemeBuilder(addKnownTypes)
+	localSchemeBuilder = &SchemeBuilder
+	AddToScheme        = SchemeBuilder.AddToScheme
+)
+
+// GroupName is the group name used in this package
+const (
+	GroupName    = "descheduler"
+	GroupVersion = "v1alpha2"
+)
+
+// SchemeGroupVersion is group version used to register these objects
+var SchemeGroupVersion = schema.GroupVersion{Group: GroupName, Version: GroupVersion}
+
+// Kind takes an unqualified kind and returns a Group qualified GroupKind
+func Kind(kind string) schema.GroupKind {
+	return SchemeGroupVersion.WithKind(kind).GroupKind()
+}
+
+// Resource takes an unqualified resource and returns a Group qualified GroupResource
+func Resource(resource string) schema.GroupResource {
+	return SchemeGroupVersion.WithResource(resource).GroupResource()
+}
+
+func init() {
+	// We only register manually written functions here. The registration of the
+	// generated functions takes place in the generated files. The separation
+	// makes the code compile even when the generated files are missing.
+	localSchemeBuilder.Register(addKnownTypes, addDefaultingFuncs)
+}
+
+func addKnownTypes(scheme *runtime.Scheme) error {
+	// TODO this will get cleaned up with the scheme types are fixed
+	scheme.AddKnownTypes(SchemeGroupVersion,
+		&DeschedulerPolicy{},
+	)
+
+	return nil
+}

pkg/api/v1alpha2/sort.go

@@ -0,0 +1,26 @@
+/*
+Copyright 2023 The Kubernetes 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 v1alpha2
+
+import "sort"
+
+func SortDeschedulerProfileByName(profiles []DeschedulerProfile) []DeschedulerProfile {
+	sort.Slice(profiles, func(i, j int) bool {
+		return profiles[i].Name < profiles[j].Name
+	})
+	return profiles
+}

pkg/api/v1alpha2/types.go

@@ -0,0 +1,65 @@
+/*
+Copyright 2023 The Kubernetes 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 v1alpha2
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+)
+
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+type DeschedulerPolicy struct {
+	metav1.TypeMeta `json:",inline"`
+
+	// Profiles
+	Profiles []DeschedulerProfile `json:"profiles,omitempty"`
+
+	// NodeSelector for a set of nodes to operate over
+	NodeSelector *string `json:"nodeSelector,omitempty"`
+
+	// MaxNoOfPodsToEvictPerNode restricts maximum of pods to be evicted per node.
+	MaxNoOfPodsToEvictPerNode *uint `json:"maxNoOfPodsToEvictPerNode,omitempty"`
+
+	// MaxNoOfPodsToEvictPerNamespace restricts maximum of pods to be evicted per namespace.
+	MaxNoOfPodsToEvictPerNamespace *uint `json:"maxNoOfPodsToEvictPerNamespace,omitempty"`
+}
+
+type DeschedulerProfile struct {
+	Name          string         `json:"name"`
+	PluginConfigs []PluginConfig `json:"pluginConfig"`
+	Plugins       Plugins        `json:"plugins"`
+}
+
+type Plugins struct {
+	PreSort           PluginSet `json:"presort"`
+	Sort              PluginSet `json:"sort"`
+	Deschedule        PluginSet `json:"deschedule"`
+	Balance           PluginSet `json:"balance"`
+	Filter            PluginSet `json:"filter"`
+	PreEvictionFilter PluginSet `json:"preevictionfilter"`
+}
+
+type PluginConfig struct {
+	Name string               `json:"name"`
+	Args runtime.RawExtension `json:"args"`
+}
+
+type PluginSet struct {
+	Enabled  []string `json:"enabled"`
+	Disabled []string `json:"disabled"`
+}

pkg/api/v1alpha2/zz_generated.conversion.go

@@ -0,0 +1,271 @@
+//go:build !ignore_autogenerated
+// +build !ignore_autogenerated
+
+/*
+Copyright 2023 The Kubernetes 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.
+*/
+
+// Code generated by conversion-gen. DO NOT EDIT.
+
+package v1alpha2
+
+import (
+	unsafe "unsafe"
+
+	conversion "k8s.io/apimachinery/pkg/conversion"
+	runtime "k8s.io/apimachinery/pkg/runtime"
+	api "sigs.k8s.io/descheduler/pkg/api"
+)
+
+func init() {
+	localSchemeBuilder.Register(RegisterConversions)
+}
+
+// RegisterConversions adds conversion functions to the given scheme.
+// Public to allow building arbitrary schemes.
+func RegisterConversions(s *runtime.Scheme) error {
+	if err := s.AddGeneratedConversionFunc((*DeschedulerProfile)(nil), (*api.DeschedulerProfile)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_v1alpha2_DeschedulerProfile_To_api_DeschedulerProfile(a.(*DeschedulerProfile), b.(*api.DeschedulerProfile), scope)
+	}); err != nil {
+		return err
+	}
+	if err := s.AddGeneratedConversionFunc((*api.DeschedulerProfile)(nil), (*DeschedulerProfile)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_api_DeschedulerProfile_To_v1alpha2_DeschedulerProfile(a.(*api.DeschedulerProfile), b.(*DeschedulerProfile), scope)
+	}); err != nil {
+		return err
+	}
+	if err := s.AddGeneratedConversionFunc((*api.PluginConfig)(nil), (*PluginConfig)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_api_PluginConfig_To_v1alpha2_PluginConfig(a.(*api.PluginConfig), b.(*PluginConfig), scope)
+	}); err != nil {
+		return err
+	}
+	if err := s.AddGeneratedConversionFunc((*PluginSet)(nil), (*api.PluginSet)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_v1alpha2_PluginSet_To_api_PluginSet(a.(*PluginSet), b.(*api.PluginSet), scope)
+	}); err != nil {
+		return err
+	}
+	if err := s.AddGeneratedConversionFunc((*api.PluginSet)(nil), (*PluginSet)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_api_PluginSet_To_v1alpha2_PluginSet(a.(*api.PluginSet), b.(*PluginSet), scope)
+	}); err != nil {
+		return err
+	}
+	if err := s.AddGeneratedConversionFunc((*Plugins)(nil), (*api.Plugins)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_v1alpha2_Plugins_To_api_Plugins(a.(*Plugins), b.(*api.Plugins), scope)
+	}); err != nil {
+		return err
+	}
+	if err := s.AddGeneratedConversionFunc((*api.Plugins)(nil), (*Plugins)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_api_Plugins_To_v1alpha2_Plugins(a.(*api.Plugins), b.(*Plugins), scope)
+	}); err != nil {
+		return err
+	}
+	if err := s.AddConversionFunc((*api.DeschedulerPolicy)(nil), (*DeschedulerPolicy)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_api_DeschedulerPolicy_To_v1alpha2_DeschedulerPolicy(a.(*api.DeschedulerPolicy), b.(*DeschedulerPolicy), scope)
+	}); err != nil {
+		return err
+	}
+	if err := s.AddConversionFunc((*DeschedulerPolicy)(nil), (*api.DeschedulerPolicy)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_v1alpha2_DeschedulerPolicy_To_api_DeschedulerPolicy(a.(*DeschedulerPolicy), b.(*api.DeschedulerPolicy), scope)
+	}); err != nil {
+		return err
+	}
+	if err := s.AddConversionFunc((*PluginConfig)(nil), (*api.PluginConfig)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_v1alpha2_PluginConfig_To_api_PluginConfig(a.(*PluginConfig), b.(*api.PluginConfig), scope)
+	}); err != nil {
+		return err
+	}
+	return nil
+}
+
+func autoConvert_v1alpha2_DeschedulerPolicy_To_api_DeschedulerPolicy(in *DeschedulerPolicy, out *api.DeschedulerPolicy, s conversion.Scope) error {
+	if in.Profiles != nil {
+		in, out := &in.Profiles, &out.Profiles
+		*out = make([]api.DeschedulerProfile, len(*in))
+		for i := range *in {
+			if err := Convert_v1alpha2_DeschedulerProfile_To_api_DeschedulerProfile(&(*in)[i], &(*out)[i], s); err != nil {
+				return err
+			}
+		}
+	} else {
+		out.Profiles = nil
+	}
+	out.NodeSelector = (*string)(unsafe.Pointer(in.NodeSelector))
+	out.MaxNoOfPodsToEvictPerNode = (*uint)(unsafe.Pointer(in.MaxNoOfPodsToEvictPerNode))
+	out.MaxNoOfPodsToEvictPerNamespace = (*uint)(unsafe.Pointer(in.MaxNoOfPodsToEvictPerNamespace))
+	return nil
+}
+
+func autoConvert_api_DeschedulerPolicy_To_v1alpha2_DeschedulerPolicy(in *api.DeschedulerPolicy, out *DeschedulerPolicy, s conversion.Scope) error {
+	if in.Profiles != nil {
+		in, out := &in.Profiles, &out.Profiles
+		*out = make([]DeschedulerProfile, len(*in))
+		for i := range *in {
+			if err := Convert_api_DeschedulerProfile_To_v1alpha2_DeschedulerProfile(&(*in)[i], &(*out)[i], s); err != nil {
+				return err
+			}
+		}
+	} else {
+		out.Profiles = nil
+	}
+	out.NodeSelector = (*string)(unsafe.Pointer(in.NodeSelector))
+	out.MaxNoOfPodsToEvictPerNode = (*uint)(unsafe.Pointer(in.MaxNoOfPodsToEvictPerNode))
+	out.MaxNoOfPodsToEvictPerNamespace = (*uint)(unsafe.Pointer(in.MaxNoOfPodsToEvictPerNamespace))
+	return nil
+}
+
+func autoConvert_v1alpha2_DeschedulerProfile_To_api_DeschedulerProfile(in *DeschedulerProfile, out *api.DeschedulerProfile, s conversion.Scope) error {
+	out.Name = in.Name
+	if in.PluginConfigs != nil {
+		in, out := &in.PluginConfigs, &out.PluginConfigs
+		*out = make([]api.PluginConfig, len(*in))
+		for i := range *in {
+			if err := Convert_v1alpha2_PluginConfig_To_api_PluginConfig(&(*in)[i], &(*out)[i], s); err != nil {
+				return err
+			}
+		}
+	} else {
+		out.PluginConfigs = nil
+	}
+	if err := Convert_v1alpha2_Plugins_To_api_Plugins(&in.Plugins, &out.Plugins, s); err != nil {
+		return err
+	}
+	return nil
+}
+
+// Convert_v1alpha2_DeschedulerProfile_To_api_DeschedulerProfile is an autogenerated conversion function.
+func Convert_v1alpha2_DeschedulerProfile_To_api_DeschedulerProfile(in *DeschedulerProfile, out *api.DeschedulerProfile, s conversion.Scope) error {
+	return autoConvert_v1alpha2_DeschedulerProfile_To_api_DeschedulerProfile(in, out, s)
+}
+
+func autoConvert_api_DeschedulerProfile_To_v1alpha2_DeschedulerProfile(in *api.DeschedulerProfile, out *DeschedulerProfile, s conversion.Scope) error {
+	out.Name = in.Name
+	if in.PluginConfigs != nil {
+		in, out := &in.PluginConfigs, &out.PluginConfigs
+		*out = make([]PluginConfig, len(*in))
+		for i := range *in {
+			if err := Convert_api_PluginConfig_To_v1alpha2_PluginConfig(&(*in)[i], &(*out)[i], s); err != nil {
+				return err
+			}
+		}
+	} else {
+		out.PluginConfigs = nil
+	}
+	if err := Convert_api_Plugins_To_v1alpha2_Plugins(&in.Plugins, &out.Plugins, s); err != nil {
+		return err
+	}
+	return nil
+}
+
+// Convert_api_DeschedulerProfile_To_v1alpha2_DeschedulerProfile is an autogenerated conversion function.
+func Convert_api_DeschedulerProfile_To_v1alpha2_DeschedulerProfile(in *api.DeschedulerProfile, out *DeschedulerProfile, s conversion.Scope) error {
+	return autoConvert_api_DeschedulerProfile_To_v1alpha2_DeschedulerProfile(in, out, s)
+}
+
+func autoConvert_v1alpha2_PluginConfig_To_api_PluginConfig(in *PluginConfig, out *api.PluginConfig, s conversion.Scope) error {
+	out.Name = in.Name
+	if err := runtime.Convert_runtime_RawExtension_To_runtime_Object(&in.Args, &out.Args, s); err != nil {
+		return err
+	}
+	return nil
+}
+
+func autoConvert_api_PluginConfig_To_v1alpha2_PluginConfig(in *api.PluginConfig, out *PluginConfig, s conversion.Scope) error {
+	out.Name = in.Name
+	if err := runtime.Convert_runtime_Object_To_runtime_RawExtension(&in.Args, &out.Args, s); err != nil {
+		return err
+	}
+	return nil
+}
+
+// Convert_api_PluginConfig_To_v1alpha2_PluginConfig is an autogenerated conversion function.
+func Convert_api_PluginConfig_To_v1alpha2_PluginConfig(in *api.PluginConfig, out *PluginConfig, s conversion.Scope) error {
+	return autoConvert_api_PluginConfig_To_v1alpha2_PluginConfig(in, out, s)
+}
+
+func autoConvert_v1alpha2_PluginSet_To_api_PluginSet(in *PluginSet, out *api.PluginSet, s conversion.Scope) error {
+	out.Enabled = *(*[]string)(unsafe.Pointer(&in.Enabled))
+	out.Disabled = *(*[]string)(unsafe.Pointer(&in.Disabled))
+	return nil
+}
+
+// Convert_v1alpha2_PluginSet_To_api_PluginSet is an autogenerated conversion function.
+func Convert_v1alpha2_PluginSet_To_api_PluginSet(in *PluginSet, out *api.PluginSet, s conversion.Scope) error {
+	return autoConvert_v1alpha2_PluginSet_To_api_PluginSet(in, out, s)
+}
+
+func autoConvert_api_PluginSet_To_v1alpha2_PluginSet(in *api.PluginSet, out *PluginSet, s conversion.Scope) error {
+	out.Enabled = *(*[]string)(unsafe.Pointer(&in.Enabled))
+	out.Disabled = *(*[]string)(unsafe.Pointer(&in.Disabled))
+	return nil
+}
+
+// Convert_api_PluginSet_To_v1alpha2_PluginSet is an autogenerated conversion function.
+func Convert_api_PluginSet_To_v1alpha2_PluginSet(in *api.PluginSet, out *PluginSet, s conversion.Scope) error {
+	return autoConvert_api_PluginSet_To_v1alpha2_PluginSet(in, out, s)
+}
+
+func autoConvert_v1alpha2_Plugins_To_api_Plugins(in *Plugins, out *api.Plugins, s conversion.Scope) error {
+	if err := Convert_v1alpha2_PluginSet_To_api_PluginSet(&in.PreSort, &out.PreSort, s); err != nil {
+		return err
+	}
+	if err := Convert_v1alpha2_PluginSet_To_api_PluginSet(&in.Sort, &out.Sort, s); err != nil {
+		return err
+	}
+	if err := Convert_v1alpha2_PluginSet_To_api_PluginSet(&in.Deschedule, &out.Deschedule, s); err != nil {
+		return err
+	}
+	if err := Convert_v1alpha2_PluginSet_To_api_PluginSet(&in.Balance, &out.Balance, s); err != nil {
+		return err
+	}
+	if err := Convert_v1alpha2_PluginSet_To_api_PluginSet(&in.Filter, &out.Filter, s); err != nil {
+		return err
+	}
+	if err := Convert_v1alpha2_PluginSet_To_api_PluginSet(&in.PreEvictionFilter, &out.PreEvictionFilter, s); err != nil {
+		return err
+	}
+	return nil
+}
+
+// Convert_v1alpha2_Plugins_To_api_Plugins is an autogenerated conversion function.
+func Convert_v1alpha2_Plugins_To_api_Plugins(in *Plugins, out *api.Plugins, s conversion.Scope) error {
+	return autoConvert_v1alpha2_Plugins_To_api_Plugins(in, out, s)
+}
+
+func autoConvert_api_Plugins_To_v1alpha2_Plugins(in *api.Plugins, out *Plugins, s conversion.Scope) error {
+	if err := Convert_api_PluginSet_To_v1alpha2_PluginSet(&in.PreSort, &out.PreSort, s); err != nil {
+		return err
+	}
+	if err := Convert_api_PluginSet_To_v1alpha2_PluginSet(&in.Sort, &out.Sort, s); err != nil {
+		return err
+	}
+	if err := Convert_api_PluginSet_To_v1alpha2_PluginSet(&in.Deschedule, &out.Deschedule, s); err != nil {
+		return err
+	}
+	if err := Convert_api_PluginSet_To_v1alpha2_PluginSet(&in.Balance, &out.Balance, s); err != nil {
+		return err
+	}
+	if err := Convert_api_PluginSet_To_v1alpha2_PluginSet(&in.Filter, &out.Filter, s); err != nil {
+		return err
+	}
+	if err := Convert_api_PluginSet_To_v1alpha2_PluginSet(&in.PreEvictionFilter, &out.PreEvictionFilter, s); err != nil {
+		return err
+	}
+	return nil
+}
+
+// Convert_api_Plugins_To_v1alpha2_Plugins is an autogenerated conversion function.
+func Convert_api_Plugins_To_v1alpha2_Plugins(in *api.Plugins, out *Plugins, s conversion.Scope) error {
+	return autoConvert_api_Plugins_To_v1alpha2_Plugins(in, out, s)
+}

pkg/api/v1alpha2/zz_generated.deepcopy.go

@@ -0,0 +1,162 @@
+//go:build !ignore_autogenerated
+// +build !ignore_autogenerated
+
+/*
+Copyright 2023 The Kubernetes 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.
+*/
+
+// Code generated by deepcopy-gen. DO NOT EDIT.
+
+package v1alpha2
+
+import (
+	runtime "k8s.io/apimachinery/pkg/runtime"
+)
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *DeschedulerPolicy) DeepCopyInto(out *DeschedulerPolicy) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	if in.Profiles != nil {
+		in, out := &in.Profiles, &out.Profiles
+		*out = make([]DeschedulerProfile, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
+	}
+	if in.NodeSelector != nil {
+		in, out := &in.NodeSelector, &out.NodeSelector
+		*out = new(string)
+		**out = **in
+	}
+	if in.MaxNoOfPodsToEvictPerNode != nil {
+		in, out := &in.MaxNoOfPodsToEvictPerNode, &out.MaxNoOfPodsToEvictPerNode
+		*out = new(uint)
+		**out = **in
+	}
+	if in.MaxNoOfPodsToEvictPerNamespace != nil {
+		in, out := &in.MaxNoOfPodsToEvictPerNamespace, &out.MaxNoOfPodsToEvictPerNamespace
+		*out = new(uint)
+		**out = **in
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new DeschedulerPolicy.
+func (in *DeschedulerPolicy) DeepCopy() *DeschedulerPolicy {
+	if in == nil {
+		return nil
+	}
+	out := new(DeschedulerPolicy)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *DeschedulerPolicy) DeepCopyObject() runtime.Object {
+	if c := in.DeepCopy(); c != nil {
+		return c
+	}
+	return nil
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *DeschedulerProfile) DeepCopyInto(out *DeschedulerProfile) {
+	*out = *in
+	if in.PluginConfigs != nil {
+		in, out := &in.PluginConfigs, &out.PluginConfigs
+		*out = make([]PluginConfig, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
+	}
+	in.Plugins.DeepCopyInto(&out.Plugins)
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new DeschedulerProfile.
+func (in *DeschedulerProfile) DeepCopy() *DeschedulerProfile {
+	if in == nil {
+		return nil
+	}
+	out := new(DeschedulerProfile)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *PluginConfig) DeepCopyInto(out *PluginConfig) {
+	*out = *in
+	in.Args.DeepCopyInto(&out.Args)
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new PluginConfig.
+func (in *PluginConfig) DeepCopy() *PluginConfig {
+	if in == nil {
+		return nil
+	}
+	out := new(PluginConfig)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *PluginSet) DeepCopyInto(out *PluginSet) {
+	*out = *in
+	if in.Enabled != nil {
+		in, out := &in.Enabled, &out.Enabled
+		*out = make([]string, len(*in))
+		copy(*out, *in)
+	}
+	if in.Disabled != nil {
+		in, out := &in.Disabled, &out.Disabled
+		*out = make([]string, len(*in))
+		copy(*out, *in)
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new PluginSet.
+func (in *PluginSet) DeepCopy() *PluginSet {
+	if in == nil {
+		return nil
+	}
+	out := new(PluginSet)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *Plugins) DeepCopyInto(out *Plugins) {
+	*out = *in
+	in.PreSort.DeepCopyInto(&out.PreSort)
+	in.Sort.DeepCopyInto(&out.Sort)
+	in.Deschedule.DeepCopyInto(&out.Deschedule)
+	in.Balance.DeepCopyInto(&out.Balance)
+	in.Filter.DeepCopyInto(&out.Filter)
+	in.PreEvictionFilter.DeepCopyInto(&out.PreEvictionFilter)
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Plugins.
+func (in *Plugins) DeepCopy() *Plugins {
+	if in == nil {
+		return nil
+	}
+	out := new(Plugins)
+	in.DeepCopyInto(out)
+	return out
+}

pkg/api/v1alpha2/zz_generated.defaults.go

@@ -0,0 +1,33 @@
+//go:build !ignore_autogenerated
+// +build !ignore_autogenerated
+
+/*
+Copyright 2023 The Kubernetes 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.
+*/
+
+// Code generated by defaulter-gen. DO NOT EDIT.
+
+package v1alpha2
+
+import (
+	runtime "k8s.io/apimachinery/pkg/runtime"
+)
+
+// RegisterDefaults adds defaulters functions to the given scheme.
+// Public to allow building arbitrary schemes.
+// All generated defaulters are covering - they call all nested defaulters.
+func RegisterDefaults(scheme *runtime.Scheme) error {
+	return nil
+}

pkg/api/zz_generated.deepcopy.go

@@ -2,7 +2,7 @@
 // +build !ignore_autogenerated
 
 /*
-Copyright 2022 The Kubernetes Authors.
+Copyright 2023 The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -22,7 +22,6 @@ limitations under the License.
 package api
 
 import (
-	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	runtime "k8s.io/apimachinery/pkg/runtime"
 )
 
@@ -30,11 +29,11 @@ import (
 func (in *DeschedulerPolicy) DeepCopyInto(out *DeschedulerPolicy) {
 	*out = *in
 	out.TypeMeta = in.TypeMeta
-	if in.Strategies != nil {
-		in, out := &in.Strategies, &out.Strategies
-		*out = make(StrategyList, len(*in))
-		for key, val := range *in {
-			(*out)[key] = *val.DeepCopy()
+	if in.Profiles != nil {
+		in, out := &in.Profiles, &out.Profiles
+		*out = make([]DeschedulerProfile, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
 		}
 	}
 	if in.NodeSelector != nil {
@@ -42,26 +41,6 @@ func (in *DeschedulerPolicy) DeepCopyInto(out *DeschedulerPolicy) {
 		*out = new(string)
 		**out = **in
 	}
-	if in.EvictFailedBarePods != nil {
-		in, out := &in.EvictFailedBarePods, &out.EvictFailedBarePods
-		*out = new(bool)
-		**out = **in
-	}
-	if in.EvictLocalStoragePods != nil {
-		in, out := &in.EvictLocalStoragePods, &out.EvictLocalStoragePods
-		*out = new(bool)
-		**out = **in
-	}
-	if in.EvictSystemCriticalPods != nil {
-		in, out := &in.EvictSystemCriticalPods, &out.EvictSystemCriticalPods
-		*out = new(bool)
-		**out = **in
-	}
-	if in.IgnorePVCPods != nil {
-		in, out := &in.IgnorePVCPods, &out.IgnorePVCPods
-		*out = new(bool)
-		**out = **in
-	}
 	if in.MaxNoOfPodsToEvictPerNode != nil {
 		in, out := &in.MaxNoOfPodsToEvictPerNode, &out.MaxNoOfPodsToEvictPerNode
 		*out = new(uint)
@@ -94,53 +73,25 @@ func (in *DeschedulerPolicy) DeepCopyObject() runtime.Object {
 }
 
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
-func (in *DeschedulerStrategy) DeepCopyInto(out *DeschedulerStrategy) {
+func (in *DeschedulerProfile) DeepCopyInto(out *DeschedulerProfile) {
 	*out = *in
-	if in.Params != nil {
-		in, out := &in.Params, &out.Params
-		*out = new(StrategyParameters)
-		(*in).DeepCopyInto(*out)
+	if in.PluginConfigs != nil {
+		in, out := &in.PluginConfigs, &out.PluginConfigs
+		*out = make([]PluginConfig, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
 	}
+	in.Plugins.DeepCopyInto(&out.Plugins)
 	return
 }
 
-// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new DeschedulerStrategy.
-func (in *DeschedulerStrategy) DeepCopy() *DeschedulerStrategy {
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new DeschedulerProfile.
+func (in *DeschedulerProfile) DeepCopy() *DeschedulerProfile {
 	if in == nil {
 		return nil
 	}
-	out := new(DeschedulerStrategy)
-	in.DeepCopyInto(out)
-	return out
-}
-
-// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
-func (in *FailedPods) DeepCopyInto(out *FailedPods) {
-	*out = *in
-	if in.ExcludeOwnerKinds != nil {
-		in, out := &in.ExcludeOwnerKinds, &out.ExcludeOwnerKinds
-		*out = make([]string, len(*in))
-		copy(*out, *in)
-	}
-	if in.MinPodLifetimeSeconds != nil {
-		in, out := &in.MinPodLifetimeSeconds, &out.MinPodLifetimeSeconds
-		*out = new(uint)
-		**out = **in
-	}
-	if in.Reasons != nil {
-		in, out := &in.Reasons, &out.Reasons
-		*out = make([]string, len(*in))
-		copy(*out, *in)
-	}
-	return
-}
-
-// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new FailedPods.
-func (in *FailedPods) DeepCopy() *FailedPods {
-	if in == nil {
-		return nil
-	}
-	out := new(FailedPods)
+	out := new(DeschedulerProfile)
 	in.DeepCopyInto(out)
 	return out
 }
@@ -172,78 +123,68 @@ func (in *Namespaces) DeepCopy() *Namespaces {
 }
 
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
-func (in *NodeResourceUtilizationThresholds) DeepCopyInto(out *NodeResourceUtilizationThresholds) {
+func (in *PluginConfig) DeepCopyInto(out *PluginConfig) {
 	*out = *in
-	if in.Thresholds != nil {
-		in, out := &in.Thresholds, &out.Thresholds
-		*out = make(ResourceThresholds, len(*in))
-		for key, val := range *in {
-			(*out)[key] = val
-		}
-	}
-	if in.TargetThresholds != nil {
-		in, out := &in.TargetThresholds, &out.TargetThresholds
-		*out = make(ResourceThresholds, len(*in))
-		for key, val := range *in {
-			(*out)[key] = val
-		}
+	if in.Args != nil {
+		out.Args = in.Args.DeepCopyObject()
 	}
 	return
 }
 
-// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new NodeResourceUtilizationThresholds.
-func (in *NodeResourceUtilizationThresholds) DeepCopy() *NodeResourceUtilizationThresholds {
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new PluginConfig.
+func (in *PluginConfig) DeepCopy() *PluginConfig {
 	if in == nil {
 		return nil
 	}
-	out := new(NodeResourceUtilizationThresholds)
+	out := new(PluginConfig)
 	in.DeepCopyInto(out)
 	return out
 }
 
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
-func (in *PodLifeTime) DeepCopyInto(out *PodLifeTime) {
+func (in *PluginSet) DeepCopyInto(out *PluginSet) {
 	*out = *in
-	if in.MaxPodLifeTimeSeconds != nil {
-		in, out := &in.MaxPodLifeTimeSeconds, &out.MaxPodLifeTimeSeconds
-		*out = new(uint)
-		**out = **in
-	}
-	if in.States != nil {
-		in, out := &in.States, &out.States
+	if in.Enabled != nil {
+		in, out := &in.Enabled, &out.Enabled
 		*out = make([]string, len(*in))
 		copy(*out, *in)
 	}
-	if in.PodStatusPhases != nil {
-		in, out := &in.PodStatusPhases, &out.PodStatusPhases
+	if in.Disabled != nil {
+		in, out := &in.Disabled, &out.Disabled
 		*out = make([]string, len(*in))
 		copy(*out, *in)
 	}
 	return
 }
 
-// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new PodLifeTime.
-func (in *PodLifeTime) DeepCopy() *PodLifeTime {
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new PluginSet.
+func (in *PluginSet) DeepCopy() *PluginSet {
 	if in == nil {
 		return nil
 	}
-	out := new(PodLifeTime)
+	out := new(PluginSet)
 	in.DeepCopyInto(out)
 	return out
 }
 
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
-func (in *PodsHavingTooManyRestarts) DeepCopyInto(out *PodsHavingTooManyRestarts) {
+func (in *Plugins) DeepCopyInto(out *Plugins) {
 	*out = *in
+	in.PreSort.DeepCopyInto(&out.PreSort)
+	in.Sort.DeepCopyInto(&out.Sort)
+	in.Deschedule.DeepCopyInto(&out.Deschedule)
+	in.Balance.DeepCopyInto(&out.Balance)
+	in.Filter.DeepCopyInto(&out.Filter)
+	in.PreEvictionFilter.DeepCopyInto(&out.PreEvictionFilter)
 	return
 }
 
-// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new PodsHavingTooManyRestarts.
-func (in *PodsHavingTooManyRestarts) DeepCopy() *PodsHavingTooManyRestarts {
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Plugins.
+func (in *Plugins) DeepCopy() *Plugins {
 	if in == nil {
 		return nil
 	}
-	out := new(PodsHavingTooManyRestarts)
+	out := new(Plugins)
 	in.DeepCopyInto(out)
 	return out
 }
@@ -269,27 +210,6 @@ func (in *PriorityThreshold) DeepCopy() *PriorityThreshold {
 	return out
 }
 
-// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
-func (in *RemoveDuplicates) DeepCopyInto(out *RemoveDuplicates) {
-	*out = *in
-	if in.ExcludeOwnerKinds != nil {
-		in, out := &in.ExcludeOwnerKinds, &out.ExcludeOwnerKinds
-		*out = make([]string, len(*in))
-		copy(*out, *in)
-	}
-	return
-}
-
-// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new RemoveDuplicates.
-func (in *RemoveDuplicates) DeepCopy() *RemoveDuplicates {
-	if in == nil {
-		return nil
-	}
-	out := new(RemoveDuplicates)
-	in.DeepCopyInto(out)
-	return out
-}
-
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
 func (in ResourceThresholds) DeepCopyInto(out *ResourceThresholds) {
 	{
@@ -311,91 +231,3 @@ func (in ResourceThresholds) DeepCopy() ResourceThresholds {
 	in.DeepCopyInto(out)
 	return *out
 }
-
-// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
-func (in StrategyList) DeepCopyInto(out *StrategyList) {
-	{
-		in := &in
-		*out = make(StrategyList, len(*in))
-		for key, val := range *in {
-			(*out)[key] = *val.DeepCopy()
-		}
-		return
-	}
-}
-
-// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new StrategyList.
-func (in StrategyList) DeepCopy() StrategyList {
-	if in == nil {
-		return nil
-	}
-	out := new(StrategyList)
-	in.DeepCopyInto(out)
-	return *out
-}
-
-// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
-func (in *StrategyParameters) DeepCopyInto(out *StrategyParameters) {
-	*out = *in
-	if in.NodeResourceUtilizationThresholds != nil {
-		in, out := &in.NodeResourceUtilizationThresholds, &out.NodeResourceUtilizationThresholds
-		*out = new(NodeResourceUtilizationThresholds)
-		(*in).DeepCopyInto(*out)
-	}
-	if in.NodeAffinityType != nil {
-		in, out := &in.NodeAffinityType, &out.NodeAffinityType
-		*out = make([]string, len(*in))
-		copy(*out, *in)
-	}
-	if in.PodsHavingTooManyRestarts != nil {
-		in, out := &in.PodsHavingTooManyRestarts, &out.PodsHavingTooManyRestarts
-		*out = new(PodsHavingTooManyRestarts)
-		**out = **in
-	}
-	if in.PodLifeTime != nil {
-		in, out := &in.PodLifeTime, &out.PodLifeTime
-		*out = new(PodLifeTime)
-		(*in).DeepCopyInto(*out)
-	}
-	if in.RemoveDuplicates != nil {
-		in, out := &in.RemoveDuplicates, &out.RemoveDuplicates
-		*out = new(RemoveDuplicates)
-		(*in).DeepCopyInto(*out)
-	}
-	if in.FailedPods != nil {
-		in, out := &in.FailedPods, &out.FailedPods
-		*out = new(FailedPods)
-		(*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
-	}
-	if in.LabelSelector != nil {
-		in, out := &in.LabelSelector, &out.LabelSelector
-		*out = new(v1.LabelSelector)
-		(*in).DeepCopyInto(*out)
-	}
-	if in.ExcludedTaints != nil {
-		in, out := &in.ExcludedTaints, &out.ExcludedTaints
-		*out = make([]string, len(*in))
-		copy(*out, *in)
-	}
-	return
-}
-
-// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new StrategyParameters.
-func (in *StrategyParameters) DeepCopy() *StrategyParameters {
-	if in == nil {
-		return nil
-	}
-	out := new(StrategyParameters)
-	in.DeepCopyInto(out)
-	return out
-}

pkg/apis/componentconfig/types.go

@@ -34,6 +34,7 @@ type DeschedulerConfiguration struct {
 
 	// KubeconfigFile is path to kubeconfig file with authorization and master
 	// location information.
+	// Deprecated: Use clientConnection.kubeConfig instead.
 	KubeconfigFile string
 
 	// PolicyConfigFile is the filepath to the descheduler policy configuration.
@@ -58,6 +59,10 @@ type DeschedulerConfiguration struct {
 	LeaderElection componentbaseconfig.LeaderElectionConfiguration
 
 	// Logging specifies the options of logging.
-	// Refer [Logs Options](https://github.com/kubernetes/component-base/blob/master/logs/api/v1/options.go) for more information.
+	// Refer to [Logs Options](https://github.com/kubernetes/component-base/blob/master/logs/api/v1/options.go) for more information.
 	Logging registry.LoggingConfiguration
+
+	// ClientConnection specifies the kubeconfig file and client connection settings to use when communicating with the apiserver.
+	// Refer to [ClientConnection](https://pkg.go.dev/k8s.io/kubernetes/pkg/apis/componentconfig#ClientConnectionConfiguration) for more information.
+	ClientConnection componentbaseconfig.ClientConnectionConfiguration
 }

pkg/apis/componentconfig/types_pluginargs.go

@@ -1,133 +0,0 @@
-/*
-Copyright 2022 The Kubernetes 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 componentconfig
-
-import (
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	"sigs.k8s.io/descheduler/pkg/api"
-)
-
-// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
-
-// RemovePodsViolatingNodeTaintsArgs holds arguments used to configure the RemovePodsViolatingNodeTaints plugin.
-type RemovePodsViolatingNodeTaintsArgs struct {
-	metav1.TypeMeta
-
-	Namespaces              *api.Namespaces
-	LabelSelector           *metav1.LabelSelector
-	IncludePreferNoSchedule bool
-	ExcludedTaints          []string
-}
-
-// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
-
-// RemoveFailedPodsArgs holds arguments used to configure RemoveFailedPods plugin.
-type RemoveFailedPodsArgs struct {
-	metav1.TypeMeta
-
-	Namespaces              *api.Namespaces
-	LabelSelector           *metav1.LabelSelector
-	ExcludeOwnerKinds       []string
-	MinPodLifetimeSeconds   *uint
-	Reasons                 []string
-	IncludingInitContainers bool
-}
-
-// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
-
-// RemovePodsViolatingNodeAffinityArgs holds arguments used to configure RemovePodsViolatingNodeAffinity plugin.
-type RemovePodsViolatingNodeAffinityArgs struct {
-	metav1.TypeMeta
-
-	Namespaces       *api.Namespaces
-	LabelSelector    *metav1.LabelSelector
-	NodeAffinityType []string
-}
-
-// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
-
-// RemovePodsHavingTooManyRestartsArgs holds arguments used to configure RemovePodsHavingTooManyRestarts plugin.
-type RemovePodsHavingTooManyRestartsArgs struct {
-	metav1.TypeMeta
-
-	Namespaces              *api.Namespaces
-	LabelSelector           *metav1.LabelSelector
-	PodRestartThreshold     int32
-	IncludingInitContainers bool
-}
-
-// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
-
-type RemoveDuplicatesArgs struct {
-	metav1.TypeMeta
-
-	Namespaces        *api.Namespaces
-	ExcludeOwnerKinds []string
-}
-
-// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
-
-// PodLifeTimeArgs holds arguments used to configure PodLifeTime plugin.
-type PodLifeTimeArgs struct {
-	metav1.TypeMeta
-
-	Namespaces            *api.Namespaces
-	LabelSelector         *metav1.LabelSelector
-	MaxPodLifeTimeSeconds *uint
-	States                []string
-}
-
-// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
-
-// RemovePodsViolatingTopologySpreadConstraintArgs holds arguments used to configure RemovePodsViolatingTopologySpreadConstraint plugin.
-type RemovePodsViolatingTopologySpreadConstraintArgs struct {
-	metav1.TypeMeta
-
-	Namespaces             *api.Namespaces
-	LabelSelector          *metav1.LabelSelector
-	IncludeSoftConstraints bool
-}
-
-// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
-
-// RemovePodsViolatingInterPodAntiAffinity holds arguments used to configure RemovePodsViolatingInterPodAntiAffinity plugin.
-type RemovePodsViolatingInterPodAntiAffinityArgs struct {
-	metav1.TypeMeta
-
-	Namespaces    *api.Namespaces
-	LabelSelector *metav1.LabelSelector
-}
-
-// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
-
-type LowNodeUtilizationArgs struct {
-	metav1.TypeMeta
-
-	UseDeviationThresholds bool
-	Thresholds             api.ResourceThresholds
-	TargetThresholds       api.ResourceThresholds
-	NumberOfNodes          int
-}
-
-// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
-
-type HighNodeUtilizationArgs struct {
-	metav1.TypeMeta
-
-	Thresholds    api.ResourceThresholds
-	NumberOfNodes int
-}

pkg/apis/componentconfig/v1alpha1/register.go

@@ -28,8 +28,10 @@ var (
 )
 
 // GroupName is the group name use in this package
-const GroupName = "deschedulercomponentconfig"
-const GroupVersion = "v1alpha1"
+const (
+	GroupName    = "deschedulercomponentconfig"
+	GroupVersion = "v1alpha1"
+)
 
 // SchemeGroupVersion is group version used to register these objects
 var SchemeGroupVersion = schema.GroupVersion{Group: GroupName, Version: GroupVersion}

pkg/apis/componentconfig/v1alpha1/types.go

@@ -34,6 +34,7 @@ type DeschedulerConfiguration struct {
 
 	// KubeconfigFile is path to kubeconfig file with authorization and master
 	// location information.
+	// Deprecated: Use clientConnection.kubeConfig instead.
 	KubeconfigFile string `json:"kubeconfigFile"`
 
 	// PolicyConfigFile is the filepath to the descheduler policy configuration.
@@ -58,6 +59,10 @@ type DeschedulerConfiguration struct {
 	LeaderElection componentbaseconfig.LeaderElectionConfiguration `json:"leaderElection,omitempty"`
 
 	// Logging specifies the options of logging.
-	// Refer [Logs Options](https://github.com/kubernetes/component-base/blob/master/logs/api/v1/options.go) for more information.
+	// Refer to [Logs Options](https://github.com/kubernetes/component-base/blob/master/logs/api/v1/options.go) for more information.
 	Logging registry.LoggingConfiguration `json:"logging,omitempty"`
+
+	// ClientConnection specifies the kubeconfig file and client connection settings to use when communicating with the apiserver.
+	// Refer to [ClientConnection](https://pkg.go.dev/k8s.io/kubernetes/pkg/apis/componentconfig#ClientConnectionConfiguration) for more information.
+	ClientConnection componentbaseconfig.ClientConnectionConfiguration `json:"clientConnection,omitempty"`
 }

pkg/apis/componentconfig/v1alpha1/zz_generated.conversion.go

@@ -2,7 +2,7 @@
 // +build !ignore_autogenerated
 
 /*
-Copyright 2022 The Kubernetes Authors.
+Copyright 2023 The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -60,6 +60,7 @@ func autoConvert_v1alpha1_DeschedulerConfiguration_To_componentconfig_Deschedule
 	out.IgnorePVCPods = in.IgnorePVCPods
 	out.LeaderElection = in.LeaderElection
 	out.Logging = in.Logging
+	out.ClientConnection = in.ClientConnection
 	return nil
 }
 
@@ -79,6 +80,7 @@ func autoConvert_componentconfig_DeschedulerConfiguration_To_v1alpha1_Deschedule
 	out.IgnorePVCPods = in.IgnorePVCPods
 	out.LeaderElection = in.LeaderElection
 	out.Logging = in.Logging
+	out.ClientConnection = in.ClientConnection
 	return nil
 }
 

pkg/apis/componentconfig/v1alpha1/zz_generated.deepcopy.go

@@ -2,7 +2,7 @@
 // +build !ignore_autogenerated
 
 /*
-Copyright 2022 The Kubernetes Authors.
+Copyright 2023 The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -31,6 +31,7 @@ func (in *DeschedulerConfiguration) DeepCopyInto(out *DeschedulerConfiguration)
 	out.TypeMeta = in.TypeMeta
 	out.LeaderElection = in.LeaderElection
 	in.Logging.DeepCopyInto(&out.Logging)
+	out.ClientConnection = in.ClientConnection
 	return
 }
 

pkg/apis/componentconfig/v1alpha1/zz_generated.defaults.go

@@ -2,7 +2,7 @@
 // +build !ignore_autogenerated
 
 /*
-Copyright 2022 The Kubernetes Authors.
+Copyright 2023 The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/apis/componentconfig/validation/validation_pluginargs.go

@@ -1,203 +0,0 @@
-/*
-Copyright 2022 The Kubernetes 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 validation
-
-import (
-	"fmt"
-
-	v1 "k8s.io/api/core/v1"
-	utilerrors "k8s.io/apimachinery/pkg/util/errors"
-	"k8s.io/apimachinery/pkg/util/sets"
-
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	"sigs.k8s.io/descheduler/pkg/api"
-	"sigs.k8s.io/descheduler/pkg/apis/componentconfig"
-)
-
-const (
-	// MinResourcePercentage is the minimum value of a resource's percentage
-	MinResourcePercentage = 0
-	// MaxResourcePercentage is the maximum value of a resource's percentage
-	MaxResourcePercentage = 100
-)
-
-// ValidateRemovePodsViolatingNodeTaintsArgs validates RemovePodsViolatingNodeTaints arguments
-func ValidateRemovePodsViolatingNodeTaintsArgs(args *componentconfig.RemovePodsViolatingNodeTaintsArgs) error {
-	return errorsAggregate(
-		validateNamespaceArgs(args.Namespaces),
-		validateLabelSelectorArgs(args.LabelSelector),
-	)
-}
-
-// ValidateRemoveFailedPodsArgs validates RemoveFailedPods arguments
-func ValidateRemoveFailedPodsArgs(args *componentconfig.RemoveFailedPodsArgs) error {
-	return errorsAggregate(
-		validateNamespaceArgs(args.Namespaces),
-		validateLabelSelectorArgs(args.LabelSelector),
-	)
-}
-
-// ValidateRemovePodsHavingTooManyRestartsArgs validates RemovePodsHavingTooManyRestarts arguments
-func ValidateRemovePodsHavingTooManyRestartsArgs(args *componentconfig.RemovePodsHavingTooManyRestartsArgs) error {
-	return errorsAggregate(
-		validateNamespaceArgs(args.Namespaces),
-		validateLabelSelectorArgs(args.LabelSelector),
-		validatePodRestartThreshold(args.PodRestartThreshold),
-	)
-}
-
-// ValidateRemovePodsViolatingNodeAffinityArgs validates RemovePodsViolatingNodeAffinity arguments
-func ValidateRemovePodsViolatingNodeAffinityArgs(args *componentconfig.RemovePodsViolatingNodeAffinityArgs) error {
-	var err error
-	if args == nil || len(args.NodeAffinityType) == 0 {
-		err = fmt.Errorf("nodeAffinityType needs to be set")
-	}
-
-	return errorsAggregate(
-		err,
-		validateNamespaceArgs(args.Namespaces),
-		validateLabelSelectorArgs(args.LabelSelector),
-	)
-}
-
-// ValidatePodLifeTimeArgs validates PodLifeTime arguments
-func ValidatePodLifeTimeArgs(args *componentconfig.PodLifeTimeArgs) error {
-	var err error
-	if args.MaxPodLifeTimeSeconds == nil {
-		err = fmt.Errorf("MaxPodLifeTimeSeconds not set")
-	}
-
-	return errorsAggregate(
-		err,
-		validateNamespaceArgs(args.Namespaces),
-		validateLabelSelectorArgs(args.LabelSelector),
-		validatePodLifeTimeStates(args.States),
-	)
-}
-
-func ValidateRemoveDuplicatesArgs(args *componentconfig.RemoveDuplicatesArgs) error {
-	return validateNamespaceArgs(args.Namespaces)
-}
-
-// ValidateRemovePodsViolatingTopologySpreadConstraintArgs validates RemovePodsViolatingTopologySpreadConstraint arguments
-func ValidateRemovePodsViolatingTopologySpreadConstraintArgs(args *componentconfig.RemovePodsViolatingTopologySpreadConstraintArgs) error {
-	return errorsAggregate(
-		validateNamespaceArgs(args.Namespaces),
-		validateLabelSelectorArgs(args.LabelSelector),
-	)
-}
-
-// ValidateRemovePodsViolatingInterPodAntiAffinityArgs validates ValidateRemovePodsViolatingInterPodAntiAffinity arguments
-func ValidateRemovePodsViolatingInterPodAntiAffinityArgs(args *componentconfig.RemovePodsViolatingInterPodAntiAffinityArgs) error {
-	return errorsAggregate(
-		validateNamespaceArgs(args.Namespaces),
-		validateLabelSelectorArgs(args.LabelSelector),
-	)
-}
-
-// errorsAggregate converts all arg validation errors to a single error interface.
-// if no errors, it will return nil.
-func errorsAggregate(errors ...error) error {
-	return utilerrors.NewAggregate(errors)
-}
-
-func validateNamespaceArgs(namespaces *api.Namespaces) error {
-	// At most one of include/exclude can be set
-	if namespaces != nil && len(namespaces.Include) > 0 && len(namespaces.Exclude) > 0 {
-		return fmt.Errorf("only one of Include/Exclude namespaces can be set")
-	}
-
-	return nil
-}
-
-func validateLabelSelectorArgs(labelSelector *metav1.LabelSelector) error {
-	if labelSelector != nil {
-		if _, err := metav1.LabelSelectorAsSelector(labelSelector); err != nil {
-			return fmt.Errorf("failed to get label selectors from strategy's params: %+v", err)
-		}
-	}
-
-	return nil
-}
-
-func validatePodRestartThreshold(podRestartThreshold int32) error {
-	if podRestartThreshold < 1 {
-		return fmt.Errorf("PodsHavingTooManyRestarts threshold not set")
-	}
-	return nil
-}
-
-func validatePodLifeTimeStates(states []string) error {
-	podLifeTimeAllowedStates := sets.NewString(
-		string(v1.PodRunning),
-		string(v1.PodPending),
-
-		// Container state reasons: https://github.com/kubernetes/kubernetes/blob/release-1.24/pkg/kubelet/kubelet_pods.go#L76-L79
-		"PodInitializing",
-		"ContainerCreating",
-	)
-
-	if !podLifeTimeAllowedStates.HasAll(states...) {
-		return fmt.Errorf("states must be one of %v", podLifeTimeAllowedStates.List())
-	}
-
-	return nil
-}
-
-func ValidateHighNodeUtilizationArgs(args *componentconfig.HighNodeUtilizationArgs) error {
-	return validateThresholds(args.Thresholds)
-}
-
-func ValidateLowNodeUtilizationArgs(args *componentconfig.LowNodeUtilizationArgs) error {
-	return validateLowNodeUtilizationThresholds(args.Thresholds, args.TargetThresholds, args.UseDeviationThresholds)
-}
-
-func validateLowNodeUtilizationThresholds(thresholds, targetThresholds api.ResourceThresholds, useDeviationThresholds bool) error {
-	// validate thresholds and targetThresholds config
-	if err := validateThresholds(thresholds); err != nil {
-		return fmt.Errorf("thresholds config is not valid: %v", err)
-	}
-	if err := validateThresholds(targetThresholds); err != nil {
-		return fmt.Errorf("targetThresholds config is not valid: %v", err)
-	}
-
-	// validate if thresholds and targetThresholds have same resources configured
-	if len(thresholds) != len(targetThresholds) {
-		return fmt.Errorf("thresholds and targetThresholds configured different resources")
-	}
-	for resourceName, value := range thresholds {
-		if targetValue, ok := targetThresholds[resourceName]; !ok {
-			return fmt.Errorf("thresholds and targetThresholds configured different resources")
-		} else if value > targetValue && !useDeviationThresholds {
-			return fmt.Errorf("thresholds' %v percentage is greater than targetThresholds'", resourceName)
-		}
-	}
-	return nil
-}
-
-// validateThresholds checks if thresholds have valid resource name and resource percentage configured
-func validateThresholds(thresholds api.ResourceThresholds) error {
-	if len(thresholds) == 0 {
-		return fmt.Errorf("no resource threshold is configured")
-	}
-	for name, percent := range thresholds {
-		if percent < MinResourcePercentage || percent > MaxResourcePercentage {
-			return fmt.Errorf("%v threshold not in [%v, %v] range", name, MinResourcePercentage, MaxResourcePercentage)
-		}
-	}
-	return nil
-}

pkg/apis/componentconfig/zz_generated.deepcopy.go

@@ -2,7 +2,7 @@
 // +build !ignore_autogenerated
 
 /*
-Copyright 2022 The Kubernetes Authors.
+Copyright 2023 The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -22,9 +22,7 @@ limitations under the License.
 package componentconfig
 
 import (
-	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	runtime "k8s.io/apimachinery/pkg/runtime"
-	api "sigs.k8s.io/descheduler/pkg/api"
 )
 
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
@@ -33,6 +31,7 @@ func (in *DeschedulerConfiguration) DeepCopyInto(out *DeschedulerConfiguration)
 	out.TypeMeta = in.TypeMeta
 	out.LeaderElection = in.LeaderElection
 	in.Logging.DeepCopyInto(&out.Logging)
+	out.ClientConnection = in.ClientConnection
 	return
 }
 
@@ -53,389 +52,3 @@ func (in *DeschedulerConfiguration) DeepCopyObject() runtime.Object {
 	}
 	return nil
 }
-
-// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
-func (in *HighNodeUtilizationArgs) DeepCopyInto(out *HighNodeUtilizationArgs) {
-	*out = *in
-	out.TypeMeta = in.TypeMeta
-	if in.Thresholds != nil {
-		in, out := &in.Thresholds, &out.Thresholds
-		*out = make(api.ResourceThresholds, len(*in))
-		for key, val := range *in {
-			(*out)[key] = val
-		}
-	}
-	return
-}
-
-// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new HighNodeUtilizationArgs.
-func (in *HighNodeUtilizationArgs) DeepCopy() *HighNodeUtilizationArgs {
-	if in == nil {
-		return nil
-	}
-	out := new(HighNodeUtilizationArgs)
-	in.DeepCopyInto(out)
-	return out
-}
-
-// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
-func (in *HighNodeUtilizationArgs) DeepCopyObject() runtime.Object {
-	if c := in.DeepCopy(); c != nil {
-		return c
-	}
-	return nil
-}
-
-// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
-func (in *LowNodeUtilizationArgs) DeepCopyInto(out *LowNodeUtilizationArgs) {
-	*out = *in
-	out.TypeMeta = in.TypeMeta
-	if in.Thresholds != nil {
-		in, out := &in.Thresholds, &out.Thresholds
-		*out = make(api.ResourceThresholds, len(*in))
-		for key, val := range *in {
-			(*out)[key] = val
-		}
-	}
-	if in.TargetThresholds != nil {
-		in, out := &in.TargetThresholds, &out.TargetThresholds
-		*out = make(api.ResourceThresholds, len(*in))
-		for key, val := range *in {
-			(*out)[key] = val
-		}
-	}
-	return
-}
-
-// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new LowNodeUtilizationArgs.
-func (in *LowNodeUtilizationArgs) DeepCopy() *LowNodeUtilizationArgs {
-	if in == nil {
-		return nil
-	}
-	out := new(LowNodeUtilizationArgs)
-	in.DeepCopyInto(out)
-	return out
-}
-
-// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
-func (in *LowNodeUtilizationArgs) DeepCopyObject() runtime.Object {
-	if c := in.DeepCopy(); c != nil {
-		return c
-	}
-	return nil
-}
-
-// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
-func (in *PodLifeTimeArgs) DeepCopyInto(out *PodLifeTimeArgs) {
-	*out = *in
-	out.TypeMeta = in.TypeMeta
-	if in.Namespaces != nil {
-		in, out := &in.Namespaces, &out.Namespaces
-		*out = new(api.Namespaces)
-		(*in).DeepCopyInto(*out)
-	}
-	if in.LabelSelector != nil {
-		in, out := &in.LabelSelector, &out.LabelSelector
-		*out = new(v1.LabelSelector)
-		(*in).DeepCopyInto(*out)
-	}
-	if in.MaxPodLifeTimeSeconds != nil {
-		in, out := &in.MaxPodLifeTimeSeconds, &out.MaxPodLifeTimeSeconds
-		*out = new(uint)
-		**out = **in
-	}
-	if in.States != nil {
-		in, out := &in.States, &out.States
-		*out = make([]string, len(*in))
-		copy(*out, *in)
-	}
-	return
-}
-
-// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new PodLifeTimeArgs.
-func (in *PodLifeTimeArgs) DeepCopy() *PodLifeTimeArgs {
-	if in == nil {
-		return nil
-	}
-	out := new(PodLifeTimeArgs)
-	in.DeepCopyInto(out)
-	return out
-}
-
-// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
-func (in *PodLifeTimeArgs) DeepCopyObject() runtime.Object {
-	if c := in.DeepCopy(); c != nil {
-		return c
-	}
-	return nil
-}
-
-// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
-func (in *RemoveDuplicatesArgs) DeepCopyInto(out *RemoveDuplicatesArgs) {
-	*out = *in
-	out.TypeMeta = in.TypeMeta
-	if in.Namespaces != nil {
-		in, out := &in.Namespaces, &out.Namespaces
-		*out = new(api.Namespaces)
-		(*in).DeepCopyInto(*out)
-	}
-	if in.ExcludeOwnerKinds != nil {
-		in, out := &in.ExcludeOwnerKinds, &out.ExcludeOwnerKinds
-		*out = make([]string, len(*in))
-		copy(*out, *in)
-	}
-	return
-}
-
-// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new RemoveDuplicatesArgs.
-func (in *RemoveDuplicatesArgs) DeepCopy() *RemoveDuplicatesArgs {
-	if in == nil {
-		return nil
-	}
-	out := new(RemoveDuplicatesArgs)
-	in.DeepCopyInto(out)
-	return out
-}
-
-// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
-func (in *RemoveDuplicatesArgs) DeepCopyObject() runtime.Object {
-	if c := in.DeepCopy(); c != nil {
-		return c
-	}
-	return nil
-}
-
-// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
-func (in *RemoveFailedPodsArgs) DeepCopyInto(out *RemoveFailedPodsArgs) {
-	*out = *in
-	out.TypeMeta = in.TypeMeta
-	if in.Namespaces != nil {
-		in, out := &in.Namespaces, &out.Namespaces
-		*out = new(api.Namespaces)
-		(*in).DeepCopyInto(*out)
-	}
-	if in.LabelSelector != nil {
-		in, out := &in.LabelSelector, &out.LabelSelector
-		*out = new(v1.LabelSelector)
-		(*in).DeepCopyInto(*out)
-	}
-	if in.ExcludeOwnerKinds != nil {
-		in, out := &in.ExcludeOwnerKinds, &out.ExcludeOwnerKinds
-		*out = make([]string, len(*in))
-		copy(*out, *in)
-	}
-	if in.MinPodLifetimeSeconds != nil {
-		in, out := &in.MinPodLifetimeSeconds, &out.MinPodLifetimeSeconds
-		*out = new(uint)
-		**out = **in
-	}
-	if in.Reasons != nil {
-		in, out := &in.Reasons, &out.Reasons
-		*out = make([]string, len(*in))
-		copy(*out, *in)
-	}
-	return
-}
-
-// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new RemoveFailedPodsArgs.
-func (in *RemoveFailedPodsArgs) DeepCopy() *RemoveFailedPodsArgs {
-	if in == nil {
-		return nil
-	}
-	out := new(RemoveFailedPodsArgs)
-	in.DeepCopyInto(out)
-	return out
-}
-
-// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
-func (in *RemoveFailedPodsArgs) DeepCopyObject() runtime.Object {
-	if c := in.DeepCopy(); c != nil {
-		return c
-	}
-	return nil
-}
-
-// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
-func (in *RemovePodsHavingTooManyRestartsArgs) DeepCopyInto(out *RemovePodsHavingTooManyRestartsArgs) {
-	*out = *in
-	out.TypeMeta = in.TypeMeta
-	if in.Namespaces != nil {
-		in, out := &in.Namespaces, &out.Namespaces
-		*out = new(api.Namespaces)
-		(*in).DeepCopyInto(*out)
-	}
-	if in.LabelSelector != nil {
-		in, out := &in.LabelSelector, &out.LabelSelector
-		*out = new(v1.LabelSelector)
-		(*in).DeepCopyInto(*out)
-	}
-	return
-}
-
-// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new RemovePodsHavingTooManyRestartsArgs.
-func (in *RemovePodsHavingTooManyRestartsArgs) DeepCopy() *RemovePodsHavingTooManyRestartsArgs {
-	if in == nil {
-		return nil
-	}
-	out := new(RemovePodsHavingTooManyRestartsArgs)
-	in.DeepCopyInto(out)
-	return out
-}
-
-// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
-func (in *RemovePodsHavingTooManyRestartsArgs) DeepCopyObject() runtime.Object {
-	if c := in.DeepCopy(); c != nil {
-		return c
-	}
-	return nil
-}
-
-// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
-func (in *RemovePodsViolatingInterPodAntiAffinityArgs) DeepCopyInto(out *RemovePodsViolatingInterPodAntiAffinityArgs) {
-	*out = *in
-	out.TypeMeta = in.TypeMeta
-	if in.Namespaces != nil {
-		in, out := &in.Namespaces, &out.Namespaces
-		*out = new(api.Namespaces)
-		(*in).DeepCopyInto(*out)
-	}
-	if in.LabelSelector != nil {
-		in, out := &in.LabelSelector, &out.LabelSelector
-		*out = new(v1.LabelSelector)
-		(*in).DeepCopyInto(*out)
-	}
-	return
-}
-
-// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new RemovePodsViolatingInterPodAntiAffinityArgs.
-func (in *RemovePodsViolatingInterPodAntiAffinityArgs) DeepCopy() *RemovePodsViolatingInterPodAntiAffinityArgs {
-	if in == nil {
-		return nil
-	}
-	out := new(RemovePodsViolatingInterPodAntiAffinityArgs)
-	in.DeepCopyInto(out)
-	return out
-}
-
-// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
-func (in *RemovePodsViolatingInterPodAntiAffinityArgs) DeepCopyObject() runtime.Object {
-	if c := in.DeepCopy(); c != nil {
-		return c
-	}
-	return nil
-}
-
-// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
-func (in *RemovePodsViolatingNodeAffinityArgs) DeepCopyInto(out *RemovePodsViolatingNodeAffinityArgs) {
-	*out = *in
-	out.TypeMeta = in.TypeMeta
-	if in.Namespaces != nil {
-		in, out := &in.Namespaces, &out.Namespaces
-		*out = new(api.Namespaces)
-		(*in).DeepCopyInto(*out)
-	}
-	if in.LabelSelector != nil {
-		in, out := &in.LabelSelector, &out.LabelSelector
-		*out = new(v1.LabelSelector)
-		(*in).DeepCopyInto(*out)
-	}
-	if in.NodeAffinityType != nil {
-		in, out := &in.NodeAffinityType, &out.NodeAffinityType
-		*out = make([]string, len(*in))
-		copy(*out, *in)
-	}
-	return
-}
-
-// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new RemovePodsViolatingNodeAffinityArgs.
-func (in *RemovePodsViolatingNodeAffinityArgs) DeepCopy() *RemovePodsViolatingNodeAffinityArgs {
-	if in == nil {
-		return nil
-	}
-	out := new(RemovePodsViolatingNodeAffinityArgs)
-	in.DeepCopyInto(out)
-	return out
-}
-
-// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
-func (in *RemovePodsViolatingNodeAffinityArgs) DeepCopyObject() runtime.Object {
-	if c := in.DeepCopy(); c != nil {
-		return c
-	}
-	return nil
-}
-
-// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
-func (in *RemovePodsViolatingNodeTaintsArgs) DeepCopyInto(out *RemovePodsViolatingNodeTaintsArgs) {
-	*out = *in
-	out.TypeMeta = in.TypeMeta
-	if in.Namespaces != nil {
-		in, out := &in.Namespaces, &out.Namespaces
-		*out = new(api.Namespaces)
-		(*in).DeepCopyInto(*out)
-	}
-	if in.LabelSelector != nil {
-		in, out := &in.LabelSelector, &out.LabelSelector
-		*out = new(v1.LabelSelector)
-		(*in).DeepCopyInto(*out)
-	}
-	if in.ExcludedTaints != nil {
-		in, out := &in.ExcludedTaints, &out.ExcludedTaints
-		*out = make([]string, len(*in))
-		copy(*out, *in)
-	}
-	return
-}
-
-// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new RemovePodsViolatingNodeTaintsArgs.
-func (in *RemovePodsViolatingNodeTaintsArgs) DeepCopy() *RemovePodsViolatingNodeTaintsArgs {
-	if in == nil {
-		return nil
-	}
-	out := new(RemovePodsViolatingNodeTaintsArgs)
-	in.DeepCopyInto(out)
-	return out
-}
-
-// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
-func (in *RemovePodsViolatingNodeTaintsArgs) DeepCopyObject() runtime.Object {
-	if c := in.DeepCopy(); c != nil {
-		return c
-	}
-	return nil
-}
-
-// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
-func (in *RemovePodsViolatingTopologySpreadConstraintArgs) DeepCopyInto(out *RemovePodsViolatingTopologySpreadConstraintArgs) {
-	*out = *in
-	out.TypeMeta = in.TypeMeta
-	if in.Namespaces != nil {
-		in, out := &in.Namespaces, &out.Namespaces
-		*out = new(api.Namespaces)
-		(*in).DeepCopyInto(*out)
-	}
-	if in.LabelSelector != nil {
-		in, out := &in.LabelSelector, &out.LabelSelector
-		*out = new(v1.LabelSelector)
-		(*in).DeepCopyInto(*out)
-	}
-	return
-}
-
-// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new RemovePodsViolatingTopologySpreadConstraintArgs.
-func (in *RemovePodsViolatingTopologySpreadConstraintArgs) DeepCopy() *RemovePodsViolatingTopologySpreadConstraintArgs {
-	if in == nil {
-		return nil
-	}
-	out := new(RemovePodsViolatingTopologySpreadConstraintArgs)
-	in.DeepCopyInto(out)
-	return out
-}
-
-// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
-func (in *RemovePodsViolatingTopologySpreadConstraintArgs) DeepCopyObject() runtime.Object {
-	if c := in.DeepCopy(); c != nil {
-		return c
-	}
-	return nil
-}

pkg/descheduler/client/client.go

@@ -20,38 +20,43 @@ import (
 	"fmt"
 
 	clientset "k8s.io/client-go/kubernetes"
+	componentbaseconfig "k8s.io/component-base/config"
+
 	// Ensure to load all auth plugins.
 	_ "k8s.io/client-go/plugin/pkg/client/auth"
 	"k8s.io/client-go/rest"
 	"k8s.io/client-go/tools/clientcmd"
 )
 
-func CreateClient(kubeconfig string, userAgt string) (clientset.Interface, error) {
+func CreateClient(clientConnection componentbaseconfig.ClientConnectionConfiguration, userAgt string) (clientset.Interface, error) {
 	var cfg *rest.Config
-	if len(kubeconfig) != 0 {
-		master, err := GetMasterFromKubeconfig(kubeconfig)
+	if len(clientConnection.Kubeconfig) != 0 {
+		master, err := GetMasterFromKubeconfig(clientConnection.Kubeconfig)
 		if err != nil {
-			return nil, fmt.Errorf("Failed to parse kubeconfig file: %v ", err)
+			return nil, fmt.Errorf("failed to parse kubeconfig file: %v ", err)
 		}
 
-		cfg, err = clientcmd.BuildConfigFromFlags(master, kubeconfig)
+		cfg, err = clientcmd.BuildConfigFromFlags(master, clientConnection.Kubeconfig)
 		if err != nil {
-			return nil, fmt.Errorf("Unable to build config: %v", err)
+			return nil, fmt.Errorf("unable to build config: %v", err)
 		}
 
 	} else {
 		var err error
 		cfg, err = rest.InClusterConfig()
 		if err != nil {
-			return nil, fmt.Errorf("Unable to build in cluster config: %v", err)
+			return nil, fmt.Errorf("unable to build in cluster config: %v", err)
 		}
 	}
 
+	cfg.Burst = int(clientConnection.Burst)
+	cfg.QPS = clientConnection.QPS
+
 	if len(userAgt) != 0 {
-		return clientset.NewForConfig(rest.AddUserAgent(cfg, userAgt))
-	} else {
-		return clientset.NewForConfig(cfg)
+		cfg = rest.AddUserAgent(cfg, userAgt)
 	}
+
+	return clientset.NewForConfig(cfg)
 }
 
 func GetMasterFromKubeconfig(filename string) (string, error) {
@@ -62,11 +67,11 @@ func GetMasterFromKubeconfig(filename string) (string, error) {
 
 	context, ok := config.Contexts[config.CurrentContext]
 	if !ok {
-		return "", fmt.Errorf("Failed to get master address from kubeconfig")
+		return "", fmt.Errorf("failed to get master address from kubeconfig")
 	}
 
 	if val, ok := config.Clusters[context.Cluster]; ok {
 		return val.Server, nil
 	}
-	return "", fmt.Errorf("Failed to get master address from kubeconfig")
+	return "", fmt.Errorf("failed to get master address from kubeconfig")
 }

pkg/descheduler/descheduler.go

@@ -19,20 +19,24 @@ package descheduler
 import (
 	"context"
 	"fmt"
+	"math"
+	"strconv"
+	"strings"
+	"time"
 
+	componentbaseconfig "k8s.io/component-base/config"
 	"k8s.io/klog/v2"
 
-	v1 "k8s.io/api/core/v1"
 	policy "k8s.io/api/policy/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/labels"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/util/wait"
 	"k8s.io/client-go/informers"
-	corev1informers "k8s.io/client-go/informers/core/v1"
-	schedulingv1informers "k8s.io/client-go/informers/scheduling/v1"
 	clientset "k8s.io/client-go/kubernetes"
 	fakeclientset "k8s.io/client-go/kubernetes/fake"
+	listersv1 "k8s.io/client-go/listers/core/v1"
+	schedulingv1 "k8s.io/client-go/listers/scheduling/v1"
 	core "k8s.io/client-go/testing"
 
 	"sigs.k8s.io/descheduler/cmd/descheduler/app/options"
@@ -43,22 +47,27 @@ import (
 	eutils "sigs.k8s.io/descheduler/pkg/descheduler/evictions/utils"
 	nodeutil "sigs.k8s.io/descheduler/pkg/descheduler/node"
 	podutil "sigs.k8s.io/descheduler/pkg/descheduler/pod"
-	"sigs.k8s.io/descheduler/pkg/framework"
-	"sigs.k8s.io/descheduler/pkg/framework/plugins/defaultevictor"
+	"sigs.k8s.io/descheduler/pkg/framework/pluginregistry"
+	frameworkprofile "sigs.k8s.io/descheduler/pkg/framework/profile"
 	"sigs.k8s.io/descheduler/pkg/utils"
+	"sigs.k8s.io/descheduler/pkg/version"
 )
 
 func Run(ctx context.Context, rs *options.DeschedulerServer) error {
 	metrics.Register()
 
-	rsclient, eventClient, err := createClients(rs.KubeconfigFile)
+	clientConnection := rs.ClientConnection
+	if rs.KubeconfigFile != "" && clientConnection.Kubeconfig == "" {
+		clientConnection.Kubeconfig = rs.KubeconfigFile
+	}
+	rsclient, eventClient, err := createClients(clientConnection)
 	if err != nil {
 		return err
 	}
 	rs.Client = rsclient
 	rs.EventClient = eventClient
 
-	deschedulerPolicy, err := LoadPolicyConfig(rs.PolicyConfigFile)
+	deschedulerPolicy, err := LoadPolicyConfig(rs.PolicyConfigFile, rs.Client, pluginregistry.PluginRegistry)
 	if err != nil {
 		return err
 	}
@@ -66,6 +75,9 @@ func Run(ctx context.Context, rs *options.DeschedulerServer) error {
 		return fmt.Errorf("deschedulerPolicy is nil")
 	}
 
+	// Add k8s compatibility warnings to logs
+	versionCompatibilityCheck(rs)
+
 	evictionPolicyGroupVersion, err := eutils.SupportEviction(rs.Client)
 	if err != nil || len(evictionPolicyGroupVersion) == 0 {
 		return err
@@ -79,6 +91,10 @@ func Run(ctx context.Context, rs *options.DeschedulerServer) error {
 		return fmt.Errorf("leaderElection must be used with deschedulingInterval")
 	}
 
+	if rs.LeaderElection.LeaderElect && rs.DryRun {
+		klog.V(1).InfoS("Warning: DryRun is set to True. You need to disable it to use Leader Election.")
+	}
+
 	if rs.LeaderElection.LeaderElect && !rs.DryRun {
 		if err := NewLeaderElection(runFn, rsclient, &rs.LeaderElection, ctx); err != nil {
 			return fmt.Errorf("leaderElection: %w", err)
@@ -89,14 +105,35 @@ func Run(ctx context.Context, rs *options.DeschedulerServer) error {
 	return runFn()
 }
 
-type strategyFunction func(ctx context.Context, client clientset.Interface, strategy api.DeschedulerStrategy, nodes []*v1.Node, podEvictor *evictions.PodEvictor, evictorFilter framework.EvictorPlugin, getPodsAssignedToNode podutil.GetPodsAssignedToNodeFunc)
+func versionCompatibilityCheck(rs *options.DeschedulerServer) {
+	serverVersion, serverErr := rs.Client.Discovery().ServerVersion()
+	if serverErr != nil {
+		klog.V(1).InfoS("Warning: Get Kubernetes server version fail")
+		return
+	}
+
+	deschedulerMinorVersion := strings.Split(version.Get().Minor, ".")[0]
+	deschedulerMinorVersionFloat, err := strconv.ParseFloat(deschedulerMinorVersion, 64)
+	if err != nil {
+		klog.Warning("Warning: Convert Descheduler minor version to float fail")
+	}
+
+	kubernetesMinorVersionFloat, err := strconv.ParseFloat(serverVersion.Minor, 64)
+	if err != nil {
+		klog.Warning("Warning: Convert Kubernetes server minor version to float fail")
+	}
+
+	if math.Abs(deschedulerMinorVersionFloat-kubernetesMinorVersionFloat) > 3 {
+		klog.Warningf("Warning: Descheduler minor version %v is not supported on your version of Kubernetes %v.%v. See compatibility docs for more info: https://github.com/kubernetes-sigs/descheduler#compatibility-matrix", deschedulerMinorVersion, serverVersion.Major, serverVersion.Minor)
+	}
+}
 
 func cachedClient(
 	realClient clientset.Interface,
-	podInformer corev1informers.PodInformer,
-	nodeInformer corev1informers.NodeInformer,
-	namespaceInformer corev1informers.NamespaceInformer,
-	priorityClassInformer schedulingv1informers.PriorityClassInformer,
+	podLister listersv1.PodLister,
+	nodeLister listersv1.NodeLister,
+	namespaceLister listersv1.NamespaceLister,
+	priorityClassLister schedulingv1.PriorityClassLister,
 ) (clientset.Interface, error) {
 	fakeClient := fakeclientset.NewSimpleClientset()
 	// simulate a pod eviction by deleting a pod
@@ -120,7 +157,7 @@ func cachedClient(
 	})
 
 	klog.V(3).Infof("Pulling resources for the cached client from the cluster")
-	pods, err := podInformer.Lister().List(labels.Everything())
+	pods, err := podLister.List(labels.Everything())
 	if err != nil {
 		return nil, fmt.Errorf("unable to list pods: %v", err)
 	}
@@ -131,7 +168,7 @@ func cachedClient(
 		}
 	}
 
-	nodes, err := nodeInformer.Lister().List(labels.Everything())
+	nodes, err := nodeLister.List(labels.Everything())
 	if err != nil {
 		return nil, fmt.Errorf("unable to list nodes: %v", err)
 	}
@@ -142,18 +179,18 @@ func cachedClient(
 		}
 	}
 
-	namespaces, err := namespaceInformer.Lister().List(labels.Everything())
+	namespaces, err := namespaceLister.List(labels.Everything())
 	if err != nil {
 		return nil, fmt.Errorf("unable to list namespaces: %v", err)
 	}
 
 	for _, item := range namespaces {
 		if _, err := fakeClient.CoreV1().Namespaces().Create(context.TODO(), item, metav1.CreateOptions{}); err != nil {
-			return nil, fmt.Errorf("unable to copy node: %v", err)
+			return nil, fmt.Errorf("unable to copy namespace: %v", err)
 		}
 	}
 
-	priorityClasses, err := priorityClassInformer.Lister().List(labels.Everything())
+	priorityClasses, err := priorityClassLister.List(labels.Everything())
 	if err != nil {
 		return nil, fmt.Errorf("unable to list priorityclasses: %v", err)
 	}
@@ -167,73 +204,17 @@ func cachedClient(
 	return fakeClient, nil
 }
 
-// evictorImpl implements the Evictor interface so plugins
-// can evict a pod without importing a specific pod evictor
-type evictorImpl struct {
-	podEvictor    *evictions.PodEvictor
-	evictorFilter framework.EvictorPlugin
-}
-
-var _ framework.Evictor = &evictorImpl{}
-
-// Filter checks if a pod can be evicted
-func (ei *evictorImpl) Filter(pod *v1.Pod) bool {
-	return ei.evictorFilter.Filter(pod)
-}
-
-// Evict evicts a pod (no pre-check performed)
-func (ei *evictorImpl) Evict(ctx context.Context, pod *v1.Pod, opts evictions.EvictOptions) bool {
-	return ei.podEvictor.EvictPod(ctx, pod, opts)
-}
-
-func (ei *evictorImpl) NodeLimitExceeded(node *v1.Node) bool {
-	return ei.podEvictor.NodeLimitExceeded(node)
-}
-
-// handleImpl implements the framework handle which gets passed to plugins
-type handleImpl struct {
-	clientSet                 clientset.Interface
-	getPodsAssignedToNodeFunc podutil.GetPodsAssignedToNodeFunc
-	sharedInformerFactory     informers.SharedInformerFactory
-	evictor                   *evictorImpl
-}
-
-var _ framework.Handle = &handleImpl{}
-
-// ClientSet retrieves kube client set
-func (hi *handleImpl) ClientSet() clientset.Interface {
-	return hi.clientSet
-}
-
-// GetPodsAssignedToNodeFunc retrieves GetPodsAssignedToNodeFunc implementation
-func (hi *handleImpl) GetPodsAssignedToNodeFunc() podutil.GetPodsAssignedToNodeFunc {
-	return hi.getPodsAssignedToNodeFunc
-}
-
-// SharedInformerFactory retrieves shared informer factory
-func (hi *handleImpl) SharedInformerFactory() informers.SharedInformerFactory {
-	return hi.sharedInformerFactory
-}
-
-// Evictor retrieves evictor so plugins can filter and evict pods
-func (hi *handleImpl) Evictor() framework.Evictor {
-	return hi.evictor
-}
-
 func RunDeschedulerStrategies(ctx context.Context, rs *options.DeschedulerServer, deschedulerPolicy *api.DeschedulerPolicy, evictionPolicyGroupVersion string) error {
 	sharedInformerFactory := informers.NewSharedInformerFactory(rs.Client, 0)
-	nodeInformer := sharedInformerFactory.Core().V1().Nodes()
-	podInformer := sharedInformerFactory.Core().V1().Pods()
-	namespaceInformer := sharedInformerFactory.Core().V1().Namespaces()
-	priorityClassInformer := sharedInformerFactory.Scheduling().V1().PriorityClasses()
+	podInformer := sharedInformerFactory.Core().V1().Pods().Informer()
+	podLister := sharedInformerFactory.Core().V1().Pods().Lister()
+	nodeLister := sharedInformerFactory.Core().V1().Nodes().Lister()
+	namespaceLister := sharedInformerFactory.Core().V1().Namespaces().Lister()
+	priorityClassLister := sharedInformerFactory.Scheduling().V1().PriorityClasses().Lister()
 
 	ctx, cancel := context.WithCancel(ctx)
 	defer cancel()
 
-	// create the informers
-	namespaceInformer.Informer()
-	priorityClassInformer.Informer()
-
 	getPodsAssignedToNode, err := podutil.BuildGetPodsAssignedToNodeFunc(podInformer)
 	if err != nil {
 		return fmt.Errorf("build get pods assigned to node function error: %v", err)
@@ -242,50 +223,11 @@ func RunDeschedulerStrategies(ctx context.Context, rs *options.DeschedulerServer
 	sharedInformerFactory.Start(ctx.Done())
 	sharedInformerFactory.WaitForCacheSync(ctx.Done())
 
-	strategyFuncs := map[api.StrategyName]strategyFunction{
-		"RemoveDuplicates":                            nil,
-		"LowNodeUtilization":                          nil,
-		"HighNodeUtilization":                         nil,
-		"RemovePodsViolatingInterPodAntiAffinity":     nil,
-		"RemovePodsViolatingNodeAffinity":             nil,
-		"RemovePodsViolatingNodeTaints":               nil,
-		"RemovePodsHavingTooManyRestarts":             nil,
-		"PodLifeTime":                                 nil,
-		"RemovePodsViolatingTopologySpreadConstraint": nil,
-		"RemoveFailedPods":                            nil,
-	}
-
 	var nodeSelector string
 	if deschedulerPolicy.NodeSelector != nil {
 		nodeSelector = *deschedulerPolicy.NodeSelector
 	}
 
-	var evictLocalStoragePods bool
-	if deschedulerPolicy.EvictLocalStoragePods != nil {
-		evictLocalStoragePods = *deschedulerPolicy.EvictLocalStoragePods
-	}
-
-	evictBarePods := false
-	if deschedulerPolicy.EvictFailedBarePods != nil {
-		evictBarePods = *deschedulerPolicy.EvictFailedBarePods
-		if evictBarePods {
-			klog.V(1).InfoS("Warning: EvictFailedBarePods is set to True. This could cause eviction of pods without ownerReferences.")
-		}
-	}
-
-	evictSystemCriticalPods := false
-	if deschedulerPolicy.EvictSystemCriticalPods != nil {
-		evictSystemCriticalPods = *deschedulerPolicy.EvictSystemCriticalPods
-		if evictSystemCriticalPods {
-			klog.V(1).InfoS("Warning: EvictSystemCriticalPods is set to True. This could cause eviction of Kubernetes system pods.")
-		}
-	}
-
-	ignorePvcPods := false
-	if deschedulerPolicy.IgnorePVCPods != nil {
-		ignorePvcPods = *deschedulerPolicy.IgnorePVCPods
-	}
-
 	var eventClient clientset.Interface
 	if rs.DryRun {
 		eventClient = fakeclientset.NewSimpleClientset()
@@ -296,8 +238,12 @@ func RunDeschedulerStrategies(ctx context.Context, rs *options.DeschedulerServer
 	eventBroadcaster, eventRecorder := utils.GetRecorderAndBroadcaster(ctx, eventClient)
 	defer eventBroadcaster.Shutdown()
 
+	cycleSharedInformerFactory := sharedInformerFactory
+
 	wait.NonSlidingUntil(func() {
-		nodes, err := nodeutil.ReadyNodes(ctx, rs.Client, nodeInformer, nodeSelector)
+		loopStartDuration := time.Now()
+		defer metrics.DeschedulerLoopDuration.With(map[string]string{}).Observe(time.Since(loopStartDuration).Seconds())
+		nodes, err := nodeutil.ReadyNodes(ctx, rs.Client, nodeLister, nodeSelector)
 		if err != nil {
 			klog.V(1).InfoS("Unable to get ready nodes", "err", err)
 			cancel()
@@ -310,21 +256,23 @@ func RunDeschedulerStrategies(ctx context.Context, rs *options.DeschedulerServer
 			return
 		}
 
-		var podEvictorClient clientset.Interface
+		var client clientset.Interface
 		// When the dry mode is enable, collect all the relevant objects (mostly pods) under a fake client.
 		// So when evicting pods while running multiple strategies in a row have the cummulative effect
 		// as is when evicting pods for real.
 		if rs.DryRun {
 			klog.V(3).Infof("Building a cached client from the cluster for the dry run")
 			// Create a new cache so we start from scratch without any leftovers
-			fakeClient, err := cachedClient(rs.Client, podInformer, nodeInformer, namespaceInformer, priorityClassInformer)
+			fakeClient, err := cachedClient(rs.Client, podLister, nodeLister, namespaceLister, priorityClassLister)
 			if err != nil {
 				klog.Error(err)
 				return
 			}
 
+			// create a new instance of the shared informer factor from the cached client
 			fakeSharedInformerFactory := informers.NewSharedInformerFactory(fakeClient, 0)
-			getPodsAssignedToNode, err = podutil.BuildGetPodsAssignedToNodeFunc(fakeSharedInformerFactory.Core().V1().Pods())
+			// register the pod informer, otherwise it will not get running
+			getPodsAssignedToNode, err = podutil.BuildGetPodsAssignedToNodeFunc(fakeSharedInformerFactory.Core().V1().Pods().Informer())
 			if err != nil {
 				klog.Errorf("build get pods assigned to node function error: %v", err)
 				return
@@ -335,14 +283,15 @@ func RunDeschedulerStrategies(ctx context.Context, rs *options.DeschedulerServer
 			fakeSharedInformerFactory.Start(fakeCtx.Done())
 			fakeSharedInformerFactory.WaitForCacheSync(fakeCtx.Done())
 
-			podEvictorClient = fakeClient
+			client = fakeClient
+			cycleSharedInformerFactory = fakeSharedInformerFactory
 		} else {
-			podEvictorClient = rs.Client
+			client = rs.Client
 		}
 
 		klog.V(3).Infof("Building a pod evictor")
 		podEvictor := evictions.NewPodEvictor(
-			podEvictorClient,
+			client,
 			evictionPolicyGroupVersion,
 			rs.DryRun,
 			deschedulerPolicy.MaxNoOfPodsToEvictPerNode,
@@ -352,74 +301,31 @@ func RunDeschedulerStrategies(ctx context.Context, rs *options.DeschedulerServer
 			eventRecorder,
 		)
 
-		for name, strategy := range deschedulerPolicy.Strategies {
-			if f, ok := strategyFuncs[name]; ok {
-				if strategy.Enabled {
-					params := strategy.Params
-					if params == nil {
-						params = &api.StrategyParameters{}
-					}
+		for _, profile := range deschedulerPolicy.Profiles {
+			currProfile, err := frameworkprofile.NewProfile(
+				profile,
+				pluginregistry.PluginRegistry,
+				frameworkprofile.WithClientSet(client),
+				frameworkprofile.WithSharedInformerFactory(cycleSharedInformerFactory),
+				frameworkprofile.WithPodEvictor(podEvictor),
+				frameworkprofile.WithGetPodsAssignedToNodeFnc(getPodsAssignedToNode),
+			)
+			if err != nil {
+				klog.ErrorS(err, "unable to create a profile", "profile", profile.Name)
+				continue
+			}
 
-					nodeFit := false
-					if name != "PodLifeTime" {
-						nodeFit = params.NodeFit
-					}
-
-					// TODO(jchaloup): once all strategies are migrated move this check under
-					// the default evictor args validation
-					if params.ThresholdPriority != nil && params.ThresholdPriorityClassName != "" {
-						klog.V(1).ErrorS(fmt.Errorf("priority threshold misconfigured"), "only one of priorityThreshold fields can be set", "pluginName", name)
-						continue
-					}
-					thresholdPriority, err := utils.GetPriorityFromStrategyParams(ctx, rs.Client, strategy.Params)
-					if err != nil {
-						klog.ErrorS(err, "Failed to get threshold priority from strategy's params")
-						continue
-					}
-
-					defaultevictorArgs := &defaultevictor.DefaultEvictorArgs{
-						EvictLocalStoragePods:   evictLocalStoragePods,
-						EvictSystemCriticalPods: evictSystemCriticalPods,
-						IgnorePvcPods:           ignorePvcPods,
-						EvictFailedBarePods:     evictBarePods,
-						NodeFit:                 nodeFit,
-						PriorityThreshold: &api.PriorityThreshold{
-							Value: &thresholdPriority,
-						},
-					}
-
-					evictorFilter, _ := defaultevictor.New(
-						defaultevictorArgs,
-						&handleImpl{
-							clientSet:                 rs.Client,
-							getPodsAssignedToNodeFunc: getPodsAssignedToNode,
-							sharedInformerFactory:     sharedInformerFactory,
-						},
-					)
-
-					handle := &handleImpl{
-						clientSet:                 rs.Client,
-						getPodsAssignedToNodeFunc: getPodsAssignedToNode,
-						sharedInformerFactory:     sharedInformerFactory,
-						evictor: &evictorImpl{
-							podEvictor:    podEvictor,
-							evictorFilter: evictorFilter.(framework.EvictorPlugin),
-						},
-					}
-
-					// TODO: strategyName should be accessible from within the strategy using a framework
-					// handle or function which the Evictor has access to. For migration/in-progress framework
-					// work, we are currently passing this via context. To be removed
-					// (See discussion thread https://github.com/kubernetes-sigs/descheduler/pull/885#discussion_r919962292)
-					childCtx := context.WithValue(ctx, "strategyName", string(name))
-					if pgFnc, exists := pluginsMap[string(name)]; exists {
-						pgFnc(childCtx, nodes, params, handle)
-					} else {
-						f(childCtx, rs.Client, strategy, nodes, podEvictor, evictorFilter.(framework.EvictorPlugin), getPodsAssignedToNode)
-					}
-				}
-			} else {
-				klog.ErrorS(fmt.Errorf("unknown strategy name"), "skipping strategy", "strategy", name)
+			// First deschedule
+			status := currProfile.RunDeschedulePlugins(ctx, nodes)
+			if status != nil && status.Err != nil {
+				klog.ErrorS(status.Err, "running deschedule extension point failed with error", "profile", profile.Name)
+				continue
+			}
+			// Then balance
+			status = currProfile.RunBalancePlugins(ctx, nodes)
+			if status != nil && status.Err != nil {
+				klog.ErrorS(status.Err, "running balance extension point failed with error", "profile", profile.Name)
+				continue
 			}
 		}
 
@@ -434,13 +340,22 @@ func RunDeschedulerStrategies(ctx context.Context, rs *options.DeschedulerServer
 	return nil
 }
 
-func createClients(kubeconfig string) (clientset.Interface, clientset.Interface, error) {
-	kClient, err := client.CreateClient(kubeconfig, "descheduler")
+func GetPluginConfig(pluginName string, pluginConfigs []api.PluginConfig) (*api.PluginConfig, int) {
+	for idx, pluginConfig := range pluginConfigs {
+		if pluginConfig.Name == pluginName {
+			return &pluginConfig, idx
+		}
+	}
+	return nil, 0
+}
+
+func createClients(clientConnection componentbaseconfig.ClientConnectionConfiguration) (clientset.Interface, clientset.Interface, error) {
+	kClient, err := client.CreateClient(clientConnection, "descheduler")
 	if err != nil {
 		return nil, nil, err
 	}
 
-	eventClient, err := client.CreateClient(kubeconfig, "")
+	eventClient, err := client.CreateClient(clientConnection, "")
 	if err != nil {
 		return nil, nil, err
 	}

pkg/descheduler/descheduler_test.go

@@ -9,15 +9,41 @@ import (
 	v1 "k8s.io/api/core/v1"
 	policy "k8s.io/api/policy/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/conversion"
 	"k8s.io/apimachinery/pkg/runtime"
 	fakeclientset "k8s.io/client-go/kubernetes/fake"
 	core "k8s.io/client-go/testing"
 	"sigs.k8s.io/descheduler/cmd/descheduler/app/options"
 	"sigs.k8s.io/descheduler/pkg/api"
+	"sigs.k8s.io/descheduler/pkg/api/v1alpha1"
+	"sigs.k8s.io/descheduler/pkg/framework/pluginregistry"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/defaultevictor"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/removeduplicates"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/removepodsviolatingnodetaints"
 	"sigs.k8s.io/descheduler/test"
 )
 
+// scope contains information about an ongoing conversion.
+type scope struct {
+	converter *conversion.Converter
+	meta      *conversion.Meta
+}
+
+// Convert continues a conversion.
+func (s scope) Convert(src, dest interface{}) error {
+	return s.converter.Convert(src, dest, s.meta)
+}
+
+// Meta returns the meta object that was originally passed to Convert.
+func (s scope) Meta() *conversion.Meta {
+	return s.meta
+}
+
 func TestTaintsUpdated(t *testing.T) {
+	pluginregistry.PluginRegistry = pluginregistry.NewRegistry()
+	pluginregistry.Register(removepodsviolatingnodetaints.PluginName, removepodsviolatingnodetaints.New, &removepodsviolatingnodetaints.RemovePodsViolatingNodeTaints{}, &removepodsviolatingnodetaints.RemovePodsViolatingNodeTaintsArgs{}, removepodsviolatingnodetaints.ValidateRemovePodsViolatingNodeTaintsArgs, removepodsviolatingnodetaints.SetDefaults_RemovePodsViolatingNodeTaintsArgs, pluginregistry.PluginRegistry)
+	pluginregistry.Register(defaultevictor.PluginName, defaultevictor.New, &defaultevictor.DefaultEvictor{}, &defaultevictor.DefaultEvictorArgs{}, defaultevictor.ValidateDefaultEvictorArgs, defaultevictor.SetDefaults_DefaultEvictorArgs, pluginregistry.PluginRegistry)
+
 	ctx := context.Background()
 	n1 := test.BuildTestNode("n1", 2000, 3000, 10, nil)
 	n2 := test.BuildTestNode("n2", 2000, 3000, 10, nil)
@@ -29,9 +55,9 @@ func TestTaintsUpdated(t *testing.T) {
 
 	client := fakeclientset.NewSimpleClientset(n1, n2, p1)
 	eventClient := fakeclientset.NewSimpleClientset(n1, n2, p1)
-	dp := &api.DeschedulerPolicy{
-		Strategies: api.StrategyList{
-			"RemovePodsViolatingNodeTaints": api.DeschedulerStrategy{
+	dp := &v1alpha1.DeschedulerPolicy{
+		Strategies: v1alpha1.StrategyList{
+			"RemovePodsViolatingNodeTaints": v1alpha1.DeschedulerStrategy{
 				Enabled: true,
 			},
 		},
@@ -68,7 +94,14 @@ func TestTaintsUpdated(t *testing.T) {
 	var evictedPods []string
 	client.PrependReactor("create", "pods", podEvictionReactionFuc(&evictedPods))
 
-	if err := RunDeschedulerStrategies(ctx, rs, dp, "v1"); err != nil {
+	internalDeschedulerPolicy := &api.DeschedulerPolicy{}
+	scope := scope{}
+	err = v1alpha1.V1alpha1ToInternal(dp, pluginregistry.PluginRegistry, internalDeschedulerPolicy, scope)
+	if err != nil {
+		t.Fatalf("Unable to convert v1alpha1 to v1alpha2: %v", err)
+	}
+
+	if err := RunDeschedulerStrategies(ctx, rs, internalDeschedulerPolicy, "v1"); err != nil {
 		t.Fatalf("Unable to run descheduler strategies: %v", err)
 	}
 
@@ -78,6 +111,10 @@ func TestTaintsUpdated(t *testing.T) {
 }
 
 func TestDuplicate(t *testing.T) {
+	pluginregistry.PluginRegistry = pluginregistry.NewRegistry()
+	pluginregistry.Register(removeduplicates.PluginName, removeduplicates.New, &removeduplicates.RemoveDuplicates{}, &removeduplicates.RemoveDuplicatesArgs{}, removeduplicates.ValidateRemoveDuplicatesArgs, removeduplicates.SetDefaults_RemoveDuplicatesArgs, pluginregistry.PluginRegistry)
+	pluginregistry.Register(defaultevictor.PluginName, defaultevictor.New, &defaultevictor.DefaultEvictor{}, &defaultevictor.DefaultEvictorArgs{}, defaultevictor.ValidateDefaultEvictorArgs, defaultevictor.SetDefaults_DefaultEvictorArgs, pluginregistry.PluginRegistry)
+
 	ctx := context.Background()
 	node1 := test.BuildTestNode("n1", 2000, 3000, 10, nil)
 	node2 := test.BuildTestNode("n2", 2000, 3000, 10, nil)
@@ -96,9 +133,9 @@ func TestDuplicate(t *testing.T) {
 
 	client := fakeclientset.NewSimpleClientset(node1, node2, p1, p2, p3)
 	eventClient := fakeclientset.NewSimpleClientset(node1, node2, p1, p2, p3)
-	dp := &api.DeschedulerPolicy{
-		Strategies: api.StrategyList{
-			"RemoveDuplicates": api.DeschedulerStrategy{
+	dp := &v1alpha1.DeschedulerPolicy{
+		Strategies: v1alpha1.StrategyList{
+			"RemoveDuplicates": v1alpha1.DeschedulerStrategy{
 				Enabled: true,
 			},
 		},
@@ -123,7 +160,13 @@ func TestDuplicate(t *testing.T) {
 	var evictedPods []string
 	client.PrependReactor("create", "pods", podEvictionReactionFuc(&evictedPods))
 
-	if err := RunDeschedulerStrategies(ctx, rs, dp, "v1"); err != nil {
+	internalDeschedulerPolicy := &api.DeschedulerPolicy{}
+	scope := scope{}
+	err = v1alpha1.V1alpha1ToInternal(dp, pluginregistry.PluginRegistry, internalDeschedulerPolicy, scope)
+	if err != nil {
+		t.Fatalf("Unable to convert v1alpha1 to v1alpha2: %v", err)
+	}
+	if err := RunDeschedulerStrategies(ctx, rs, internalDeschedulerPolicy, "v1"); err != nil {
 		t.Fatalf("Unable to run descheduler strategies: %v", err)
 	}
 
@@ -139,7 +182,7 @@ func TestRootCancel(t *testing.T) {
 	client := fakeclientset.NewSimpleClientset(n1, n2)
 	eventClient := fakeclientset.NewSimpleClientset(n1, n2)
 	dp := &api.DeschedulerPolicy{
-		Strategies: api.StrategyList{}, // no strategies needed for this test
+		Profiles: []api.DeschedulerProfile{}, // no strategies needed for this test
 	}
 
 	rs, err := options.NewDeschedulerServer()
@@ -174,7 +217,7 @@ func TestRootCancelWithNoInterval(t *testing.T) {
 	client := fakeclientset.NewSimpleClientset(n1, n2)
 	eventClient := fakeclientset.NewSimpleClientset(n1, n2)
 	dp := &api.DeschedulerPolicy{
-		Strategies: api.StrategyList{}, // no strategies needed for this test
+		Profiles: []api.DeschedulerProfile{}, // no strategies needed for this test
 	}
 
 	rs, err := options.NewDeschedulerServer()

pkg/descheduler/evictions/evictions.go

@@ -33,8 +33,10 @@ import (
 )
 
 // nodePodEvictedCount keeps count of pods evicted on node
-type nodePodEvictedCount map[string]uint
-type namespacePodEvictCount map[string]uint
+type (
+	nodePodEvictedCount    map[string]uint
+	namespacePodEvictCount map[string]uint
+)
 
 type PodEvictor struct {
 	client                     clientset.Interface
@@ -59,8 +61,8 @@ func NewPodEvictor(
 	metricsEnabled bool,
 	eventRecorder events.EventRecorder,
 ) *PodEvictor {
-	var nodePodCount = make(nodePodEvictedCount)
-	var namespacePodCount = make(namespacePodEvictCount)
+	nodePodCount := make(nodePodEvictedCount)
+	namespacePodCount := make(namespacePodEvictCount)
 	for _, node := range nodes {
 		// Initialize podsEvicted till now with 0.
 		nodePodCount[node.Name] = 0
@@ -165,7 +167,7 @@ func (pe *PodEvictor) EvictPod(ctx context.Context, pod *v1.Pod, opts EvictOptio
 				reason = "NotSet"
 			}
 		}
-		pe.eventRecorder.Eventf(pod, nil, v1.EventTypeNormal, reason, "Descheduled", "pod evicted by sigs.k8s.io/descheduler")
+		pe.eventRecorder.Eventf(pod, nil, v1.EventTypeNormal, reason, "Descheduled", "pod evicted from %v node by sigs.k8s.io/descheduler", pod.Spec.NodeName)
 	}
 	return true
 }

pkg/descheduler/evictions/evictions_test.go

@@ -81,7 +81,7 @@ func TestPodTypes(t *testing.T) {
 	p1.ObjectMeta.OwnerReferences = test.GetReplicaSetOwnerRefList()
 	// The following 4 pods won't get evicted.
 	// A daemonset.
-	//p2.Annotations = test.GetDaemonSetAnnotation()
+	// p2.Annotations = test.GetDaemonSetAnnotation()
 	p2.ObjectMeta.OwnerReferences = test.GetDaemonSetOwnerRefList()
 	// A pod with local storage.
 	p3.ObjectMeta.OwnerReferences = test.GetNormalPodOwnerRefList()
@@ -91,7 +91,8 @@ func TestPodTypes(t *testing.T) {
 			VolumeSource: v1.VolumeSource{
 				HostPath: &v1.HostPathVolumeSource{Path: "somePath"},
 				EmptyDir: &v1.EmptyDirVolumeSource{
-					SizeLimit: resource.NewQuantity(int64(10), resource.BinarySI)},
+					SizeLimit: resource.NewQuantity(int64(10), resource.BinarySI),
+				},
 			},
 		},
 	}
@@ -111,5 +112,4 @@ func TestPodTypes(t *testing.T) {
 	if utils.IsDaemonsetPod(ownerRefList) || utils.IsPodWithLocalStorage(p1) || utils.IsCriticalPriorityPod(p1) || utils.IsMirrorPod(p1) || utils.IsStaticPod(p1) {
 		t.Errorf("Expected p1 to be a normal pod.")
 	}
-
 }

pkg/descheduler/leaderelection.go

@@ -19,13 +19,14 @@ package descheduler
 import (
 	"context"
 	"fmt"
+	"os"
+
 	"k8s.io/apimachinery/pkg/util/uuid"
 	clientset "k8s.io/client-go/kubernetes"
 	"k8s.io/client-go/tools/leaderelection"
 	"k8s.io/client-go/tools/leaderelection/resourcelock"
 	componentbaseconfig "k8s.io/component-base/config"
 	"k8s.io/klog/v2"
-	"os"
 )
 
 // NewLeaderElection starts the leader election code loop

pkg/descheduler/node/node.go

@@ -24,8 +24,8 @@ import (
 	"k8s.io/apimachinery/pkg/api/resource"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/labels"
-	coreinformers "k8s.io/client-go/informers/core/v1"
 	clientset "k8s.io/client-go/kubernetes"
+	listersv1 "k8s.io/client-go/listers/core/v1"
 	"k8s.io/klog/v2"
 	podutil "sigs.k8s.io/descheduler/pkg/descheduler/pod"
 	"sigs.k8s.io/descheduler/pkg/utils"
@@ -33,7 +33,7 @@ import (
 
 // ReadyNodes returns ready nodes irrespective of whether they are
 // schedulable or not.
-func ReadyNodes(ctx context.Context, client clientset.Interface, nodeInformer coreinformers.NodeInformer, nodeSelector string) ([]*v1.Node, error) {
+func ReadyNodes(ctx context.Context, client clientset.Interface, nodeLister listersv1.NodeLister, nodeSelector string) ([]*v1.Node, error) {
 	ns, err := labels.Parse(nodeSelector)
 	if err != nil {
 		return []*v1.Node{}, err
@@ -41,7 +41,7 @@ func ReadyNodes(ctx context.Context, client clientset.Interface, nodeInformer co
 
 	var nodes []*v1.Node
 	// err is defined above
-	if nodes, err = nodeInformer.Lister().List(ns); err != nil {
+	if nodes, err = nodeLister.List(ns); err != nil {
 		return []*v1.Node{}, err
 	}
 
@@ -222,6 +222,12 @@ func fitsRequest(nodeIndexer podutil.GetPodsAssignedToNodeFunc, pod *v1.Pod, nod
 			podFitsOnNode = false
 		}
 	}
+	// check pod num, at least one pod number is avaibalbe
+	if availableResources[v1.ResourcePods].MilliValue() <= 0 {
+		insufficientResources = append(insufficientResources, fmt.Errorf("insufficient %v", v1.ResourcePods))
+		podFitsOnNode = false
+	}
+
 	return podFitsOnNode, insufficientResources
 }
 

pkg/descheduler/node/node_test.go

@@ -18,6 +18,7 @@ package node
 
 import (
 	"context"
+	"errors"
 	"testing"
 
 	v1 "k8s.io/api/core/v1"
@@ -56,7 +57,6 @@ func TestReadyNodes(t *testing.T) {
 	if IsReady(node5) {
 		t.Errorf("Expected %v to be not ready", node5.Name)
 	}
-
 }
 
 func TestReadyNodesWithNodeSelector(t *testing.T) {
@@ -70,14 +70,14 @@ func TestReadyNodesWithNodeSelector(t *testing.T) {
 	nodeSelector := "type=compute"
 
 	sharedInformerFactory := informers.NewSharedInformerFactory(fakeClient, 0)
-	nodeInformer := sharedInformerFactory.Core().V1().Nodes()
+	nodeLister := sharedInformerFactory.Core().V1().Nodes().Lister()
 
 	stopChannel := make(chan struct{})
 	sharedInformerFactory.Start(stopChannel)
 	sharedInformerFactory.WaitForCacheSync(stopChannel)
 	defer close(stopChannel)
 
-	nodes, _ := ReadyNodes(ctx, fakeClient, nodeInformer, nodeSelector)
+	nodes, _ := ReadyNodes(ctx, fakeClient, nodeLister, nodeSelector)
 
 	if nodes[0].Name != "node1" {
 		t.Errorf("Expected node1, got %s", nodes[0].Name)
@@ -111,11 +111,9 @@ func TestIsNodeUnschedulable(t *testing.T) {
 			t.Errorf("Test %#v failed", test.description)
 		}
 	}
-
 }
 
 func TestPodFitsCurrentNode(t *testing.T) {
-
 	nodeLabelKey := "kubernetes.io/desiredNode"
 	nodeLabelValue := "yes"
 
@@ -207,7 +205,7 @@ func TestPodFitsCurrentNode(t *testing.T) {
 			fakeClient := fake.NewSimpleClientset(objs...)
 
 			sharedInformerFactory := informers.NewSharedInformerFactory(fakeClient, 0)
-			podInformer := sharedInformerFactory.Core().V1().Pods()
+			podInformer := sharedInformerFactory.Core().V1().Pods().Informer()
 
 			getPodsAssignedToNode, err := podutil.BuildGetPodsAssignedToNodeFunc(podInformer)
 			if err != nil {
@@ -737,7 +735,7 @@ func TestPodFitsAnyOtherNode(t *testing.T) {
 			fakeClient := fake.NewSimpleClientset(objs...)
 
 			sharedInformerFactory := informers.NewSharedInformerFactory(fakeClient, 0)
-			podInformer := sharedInformerFactory.Core().V1().Pods()
+			podInformer := sharedInformerFactory.Core().V1().Pods().Informer()
 
 			getPodsAssignedToNode, err := podutil.BuildGetPodsAssignedToNodeFunc(podInformer)
 			if err != nil {
@@ -755,8 +753,66 @@ func TestPodFitsAnyOtherNode(t *testing.T) {
 	}
 }
 
+func TestNodeFit(t *testing.T) {
+	node := test.BuildTestNode("node", 64000, 128*1000*1000*1000, 2, nil)
+	tests := []struct {
+		description string
+		pod         *v1.Pod
+		node        *v1.Node
+		podsOnNode  []*v1.Pod
+		err         error
+	}{
+		{
+			description: "insufficient cpu",
+			pod:         test.BuildTestPod("p1", 10000, 2*1000*1000*1000, "", nil),
+			node:        node,
+			podsOnNode: []*v1.Pod{
+				test.BuildTestPod("p2", 60000, 60*1000*1000*1000, "node", nil),
+			},
+			err: errors.New("insufficient cpu"),
+		},
+		{
+			description: "insufficient pod num",
+			pod:         test.BuildTestPod("p1", 1000, 2*1000*1000*1000, "", nil),
+			node:        node,
+			podsOnNode: []*v1.Pod{
+				test.BuildTestPod("p2", 1000, 2*1000*1000*1000, "node", nil),
+				test.BuildTestPod("p3", 1000, 2*1000*1000*1000, "node", nil),
+			},
+			err: errors.New("insufficient pods"),
+		},
+	}
+
+	for _, tc := range tests {
+		t.Run(tc.description, func(t *testing.T) {
+			ctx, cancel := context.WithCancel(context.Background())
+			defer cancel()
+			objs := []runtime.Object{tc.node, tc.pod}
+			for _, pod := range tc.podsOnNode {
+				objs = append(objs, pod)
+			}
+
+			fakeClient := fake.NewSimpleClientset(objs...)
+
+			sharedInformerFactory := informers.NewSharedInformerFactory(fakeClient, 0)
+			podInformer := sharedInformerFactory.Core().V1().Pods().Informer()
+
+			getPodsAssignedToNode, err := podutil.BuildGetPodsAssignedToNodeFunc(podInformer)
+			if err != nil {
+				t.Errorf("Build get pods assigned to node function error: %v", err)
+			}
+
+			sharedInformerFactory.Start(ctx.Done())
+			sharedInformerFactory.WaitForCacheSync(ctx.Done())
+			if errs := NodeFit(getPodsAssignedToNode, tc.pod, tc.node); (len(errs) == 0 && tc.err != nil) || errs[0].Error() != tc.err.Error() {
+				t.Errorf("Test %#v failed, got %v, expect %v", tc.description, errs, tc.err)
+			}
+		})
+	}
+}
+
 // createResourceList builds a small resource list of core resources
-func createResourceList(cpu int64, memory int64, ephemeralStorage int64) v1.ResourceList {
+func createResourceList(cpu, memory, ephemeralStorage int64) v1.ResourceList {
 	resourceList := make(map[v1.ResourceName]resource.Quantity)
 	resourceList[v1.ResourceCPU] = *resource.NewMilliQuantity(cpu, resource.DecimalSI)
 	resourceList[v1.ResourceMemory] = *resource.NewQuantity(memory, resource.DecimalSI)

pkg/descheduler/pod/pods.go

@@ -23,7 +23,6 @@ import (
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/labels"
 	"k8s.io/apimachinery/pkg/util/sets"
-	coreinformers "k8s.io/client-go/informers/core/v1"
 	"k8s.io/client-go/tools/cache"
 
 	"sigs.k8s.io/descheduler/pkg/utils"
@@ -118,9 +117,9 @@ func (o *Options) BuildFilterFunc() (FilterFunc, error) {
 
 // BuildGetPodsAssignedToNodeFunc establishes an indexer to map the pods and their assigned nodes.
 // It returns a function to help us get all the pods that assigned to a node based on the indexer.
-func BuildGetPodsAssignedToNodeFunc(podInformer coreinformers.PodInformer) (GetPodsAssignedToNodeFunc, error) {
+func BuildGetPodsAssignedToNodeFunc(podInformer cache.SharedIndexInformer) (GetPodsAssignedToNodeFunc, error) {
 	// Establish an indexer to map the pods and their assigned nodes.
-	err := podInformer.Informer().AddIndexers(cache.Indexers{
+	err := podInformer.AddIndexers(cache.Indexers{
 		nodeNameKeyIndex: func(obj interface{}) ([]string, error) {
 			pod, ok := obj.(*v1.Pod)
 			if !ok {
@@ -137,7 +136,7 @@ func BuildGetPodsAssignedToNodeFunc(podInformer coreinformers.PodInformer) (GetP
 	}
 
 	// The indexer helps us get all the pods that assigned to a node.
-	podIndexer := podInformer.Informer().GetIndexer()
+	podIndexer := podInformer.GetIndexer()
 	getPodsAssignedToNode := func(nodeName string, filter FilterFunc) ([]*v1.Pod, error) {
 		objs, err := podIndexer.ByIndex(nodeNameKeyIndex, nodeName)
 		if err != nil {

pkg/descheduler/pod/pods_test.go

@@ -94,7 +94,7 @@ func TestListPodsOnANode(t *testing.T) {
 			fakeClient := fake.NewSimpleClientset(objs...)
 
 			sharedInformerFactory := informers.NewSharedInformerFactory(fakeClient, 0)
-			podInformer := sharedInformerFactory.Core().V1().Pods()
+			podInformer := sharedInformerFactory.Core().V1().Pods().Informer()
 
 			getPodsAssignedToNode, err := BuildGetPodsAssignedToNodeFunc(podInformer)
 			if err != nil {

pkg/descheduler/policyconfig.go

@@ -17,39 +17,140 @@ limitations under the License.
 package descheduler
 
 import (
+	"context"
 	"fmt"
-	"io/ioutil"
+	"os"
+
+	utilerrors "k8s.io/apimachinery/pkg/util/errors"
 
 	"k8s.io/apimachinery/pkg/runtime"
+	clientset "k8s.io/client-go/kubernetes"
 	"k8s.io/klog/v2"
 
 	"sigs.k8s.io/descheduler/pkg/api"
 	"sigs.k8s.io/descheduler/pkg/api/v1alpha1"
+	"sigs.k8s.io/descheduler/pkg/api/v1alpha2"
 	"sigs.k8s.io/descheduler/pkg/descheduler/scheme"
+	"sigs.k8s.io/descheduler/pkg/framework/pluginregistry"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/defaultevictor"
+	"sigs.k8s.io/descheduler/pkg/utils"
 )
 
-func LoadPolicyConfig(policyConfigFile string) (*api.DeschedulerPolicy, error) {
+func LoadPolicyConfig(policyConfigFile string, client clientset.Interface, registry pluginregistry.Registry) (*api.DeschedulerPolicy, error) {
 	if policyConfigFile == "" {
 		klog.V(1).InfoS("Policy config file not specified")
 		return nil, nil
 	}
 
-	policy, err := ioutil.ReadFile(policyConfigFile)
+	policy, err := os.ReadFile(policyConfigFile)
 	if err != nil {
 		return nil, fmt.Errorf("failed to read policy config file %q: %+v", policyConfigFile, err)
 	}
 
-	versionedPolicy := &v1alpha1.DeschedulerPolicy{}
+	return decode(policyConfigFile, policy, client, registry)
+}
 
-	decoder := scheme.Codecs.UniversalDecoder(v1alpha1.SchemeGroupVersion)
-	if err := runtime.DecodeInto(decoder, policy, versionedPolicy); err != nil {
+func decode(policyConfigFile string, policy []byte, client clientset.Interface, registry pluginregistry.Registry) (*api.DeschedulerPolicy, error) {
+	internalPolicy := &api.DeschedulerPolicy{}
+	var err error
+
+	decoder := scheme.Codecs.UniversalDecoder(v1alpha1.SchemeGroupVersion, v1alpha2.SchemeGroupVersion, api.SchemeGroupVersion)
+	if err := runtime.DecodeInto(decoder, policy, internalPolicy); err != nil {
 		return nil, fmt.Errorf("failed decoding descheduler's policy config %q: %v", policyConfigFile, err)
 	}
 
-	internalPolicy := &api.DeschedulerPolicy{}
-	if err := scheme.Scheme.Convert(versionedPolicy, internalPolicy, nil); err != nil {
-		return nil, fmt.Errorf("failed converting versioned policy to internal policy version: %v", err)
+	err = validateDeschedulerConfiguration(*internalPolicy, registry)
+	if err != nil {
+		return nil, err
 	}
 
+	setDefaults(*internalPolicy, registry, client)
+
 	return internalPolicy, nil
 }
+
+func setDefaults(in api.DeschedulerPolicy, registry pluginregistry.Registry, client clientset.Interface) *api.DeschedulerPolicy {
+	for idx, profile := range in.Profiles {
+		// If we need to set defaults coming from loadtime in each profile we do it here
+		in.Profiles[idx] = setDefaultEvictor(profile, client)
+		for _, pluginConfig := range profile.PluginConfigs {
+			setDefaultsPluginConfig(&pluginConfig, registry)
+		}
+	}
+	return &in
+}
+
+func setDefaultsPluginConfig(pluginConfig *api.PluginConfig, registry pluginregistry.Registry) {
+	if _, ok := registry[pluginConfig.Name]; ok {
+		pluginUtilities := registry[pluginConfig.Name]
+		if pluginUtilities.PluginArgDefaulter != nil {
+			pluginUtilities.PluginArgDefaulter(pluginConfig.Args)
+		}
+	}
+}
+
+func findPluginName(names []string, key string) bool {
+	for _, name := range names {
+		if name == key {
+			return true
+		}
+	}
+	return false
+}
+
+func setDefaultEvictor(profile api.DeschedulerProfile, client clientset.Interface) api.DeschedulerProfile {
+	newPluginConfig := api.PluginConfig{
+		Name: defaultevictor.PluginName,
+		Args: &defaultevictor.DefaultEvictorArgs{
+			EvictLocalStoragePods:   false,
+			EvictSystemCriticalPods: false,
+			IgnorePvcPods:           false,
+			EvictFailedBarePods:     false,
+		},
+	}
+
+	// Always enable DefaultEvictor plugin for filter/preEvictionFilter extension points
+	if !findPluginName(profile.Plugins.Filter.Enabled, defaultevictor.PluginName) {
+		profile.Plugins.Filter.Enabled = append([]string{defaultevictor.PluginName}, profile.Plugins.Filter.Enabled...)
+	}
+
+	if !findPluginName(profile.Plugins.PreEvictionFilter.Enabled, defaultevictor.PluginName) {
+		profile.Plugins.PreEvictionFilter.Enabled = append([]string{defaultevictor.PluginName}, profile.Plugins.PreEvictionFilter.Enabled...)
+	}
+
+	defaultevictorPluginConfig, idx := GetPluginConfig(defaultevictor.PluginName, profile.PluginConfigs)
+	if defaultevictorPluginConfig == nil {
+		profile.PluginConfigs = append([]api.PluginConfig{newPluginConfig}, profile.PluginConfigs...)
+		defaultevictorPluginConfig = &newPluginConfig
+		idx = 0
+	}
+
+	thresholdPriority, err := utils.GetPriorityValueFromPriorityThreshold(context.TODO(), client, defaultevictorPluginConfig.Args.(*defaultevictor.DefaultEvictorArgs).PriorityThreshold)
+	if err != nil {
+		klog.Error(err, "Failed to get threshold priority from args")
+	}
+	profile.PluginConfigs[idx].Args.(*defaultevictor.DefaultEvictorArgs).PriorityThreshold = &api.PriorityThreshold{}
+	profile.PluginConfigs[idx].Args.(*defaultevictor.DefaultEvictorArgs).PriorityThreshold.Value = &thresholdPriority
+	return profile
+}
+
+func validateDeschedulerConfiguration(in api.DeschedulerPolicy, registry pluginregistry.Registry) error {
+	var errorsInProfiles []error
+	for _, profile := range in.Profiles {
+		for _, pluginConfig := range profile.PluginConfigs {
+			if _, ok := registry[pluginConfig.Name]; !ok {
+				errorsInProfiles = append(errorsInProfiles, fmt.Errorf("in profile %s: plugin %s in pluginConfig not registered", profile.Name, pluginConfig.Name))
+				continue
+			}
+
+			pluginUtilities := registry[pluginConfig.Name]
+			if pluginUtilities.PluginArgValidator == nil {
+				continue
+			}
+			if err := pluginUtilities.PluginArgValidator(pluginConfig.Args); err != nil {
+				errorsInProfiles = append(errorsInProfiles, fmt.Errorf("in profile %s: %s", profile.Name, err.Error()))
+			}
+		}
+	}
+	return utilerrors.NewAggregate(errorsInProfiles)
+}

pkg/descheduler/scheme/scheme.go

@@ -22,8 +22,19 @@ import (
 	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/api/v1alpha2"
 	"sigs.k8s.io/descheduler/pkg/apis/componentconfig"
 	componentconfigv1alpha1 "sigs.k8s.io/descheduler/pkg/apis/componentconfig/v1alpha1"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/defaultevictor"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/nodeutilization"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/podlifetime"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/removeduplicates"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/removefailedpods"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/removepodshavingtoomanyrestarts"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/removepodsviolatinginterpodantiaffinity"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/removepodsviolatingnodeaffinity"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/removepodsviolatingnodetaints"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/removepodsviolatingtopologyspreadconstraint"
 )
 
 var (
@@ -33,8 +44,23 @@ var (
 
 func init() {
 	utilruntime.Must(api.AddToScheme(Scheme))
-	utilruntime.Must(v1alpha1.AddToScheme(Scheme))
+	utilruntime.Must(defaultevictor.AddToScheme(Scheme))
+	utilruntime.Must(nodeutilization.AddToScheme(Scheme))
+	utilruntime.Must(podlifetime.AddToScheme(Scheme))
+	utilruntime.Must(removeduplicates.AddToScheme(Scheme))
+	utilruntime.Must(removefailedpods.AddToScheme(Scheme))
+	utilruntime.Must(removepodshavingtoomanyrestarts.AddToScheme(Scheme))
+	utilruntime.Must(removepodsviolatinginterpodantiaffinity.AddToScheme(Scheme))
+	utilruntime.Must(removepodsviolatingnodeaffinity.AddToScheme(Scheme))
+	utilruntime.Must(removepodsviolatingnodetaints.AddToScheme(Scheme))
+	utilruntime.Must(removepodsviolatingtopologyspreadconstraint.AddToScheme(Scheme))
 
 	utilruntime.Must(componentconfig.AddToScheme(Scheme))
 	utilruntime.Must(componentconfigv1alpha1.AddToScheme(Scheme))
+	utilruntime.Must(v1alpha1.AddToScheme(Scheme))
+	utilruntime.Must(v1alpha2.AddToScheme(Scheme))
+	utilruntime.Must(Scheme.SetVersionPriority(
+		v1alpha2.SchemeGroupVersion,
+		v1alpha1.SchemeGroupVersion,
+	))
 }

pkg/descheduler/setupplugins.go

@@ -0,0 +1,50 @@
+/*
+Copyright 2017 The Kubernetes 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 descheduler
+
+import (
+	"sigs.k8s.io/descheduler/pkg/framework/pluginregistry"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/defaultevictor"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/nodeutilization"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/podlifetime"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/removeduplicates"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/removefailedpods"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/removepodshavingtoomanyrestarts"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/removepodsviolatinginterpodantiaffinity"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/removepodsviolatingnodeaffinity"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/removepodsviolatingnodetaints"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/removepodsviolatingtopologyspreadconstraint"
+)
+
+func SetupPlugins() {
+	pluginregistry.PluginRegistry = pluginregistry.NewRegistry()
+	RegisterDefaultPlugins(pluginregistry.PluginRegistry)
+}
+
+func RegisterDefaultPlugins(registry pluginregistry.Registry) {
+	pluginregistry.Register(defaultevictor.PluginName, defaultevictor.New, &defaultevictor.DefaultEvictor{}, &defaultevictor.DefaultEvictorArgs{}, defaultevictor.ValidateDefaultEvictorArgs, defaultevictor.SetDefaults_DefaultEvictorArgs, registry)
+	pluginregistry.Register(nodeutilization.LowNodeUtilizationPluginName, nodeutilization.NewLowNodeUtilization, &nodeutilization.LowNodeUtilization{}, &nodeutilization.LowNodeUtilizationArgs{}, nodeutilization.ValidateLowNodeUtilizationArgs, nodeutilization.SetDefaults_LowNodeUtilizationArgs, registry)
+	pluginregistry.Register(nodeutilization.HighNodeUtilizationPluginName, nodeutilization.NewHighNodeUtilization, &nodeutilization.HighNodeUtilization{}, &nodeutilization.HighNodeUtilizationArgs{}, nodeutilization.ValidateHighNodeUtilizationArgs, nodeutilization.SetDefaults_HighNodeUtilizationArgs, registry)
+	pluginregistry.Register(podlifetime.PluginName, podlifetime.New, &podlifetime.PodLifeTime{}, &podlifetime.PodLifeTimeArgs{}, podlifetime.ValidatePodLifeTimeArgs, podlifetime.SetDefaults_PodLifeTimeArgs, registry)
+	pluginregistry.Register(removeduplicates.PluginName, removeduplicates.New, &removeduplicates.RemoveDuplicates{}, &removeduplicates.RemoveDuplicatesArgs{}, removeduplicates.ValidateRemoveDuplicatesArgs, removeduplicates.SetDefaults_RemoveDuplicatesArgs, registry)
+	pluginregistry.Register(removefailedpods.PluginName, removefailedpods.New, &removefailedpods.RemoveFailedPods{}, &removefailedpods.RemoveFailedPodsArgs{}, removefailedpods.ValidateRemoveFailedPodsArgs, removefailedpods.SetDefaults_RemoveFailedPodsArgs, registry)
+	pluginregistry.Register(removepodshavingtoomanyrestarts.PluginName, removepodshavingtoomanyrestarts.New, &removepodshavingtoomanyrestarts.RemovePodsHavingTooManyRestarts{}, &removepodshavingtoomanyrestarts.RemovePodsHavingTooManyRestartsArgs{}, removepodshavingtoomanyrestarts.ValidateRemovePodsHavingTooManyRestartsArgs, removepodshavingtoomanyrestarts.SetDefaults_RemovePodsHavingTooManyRestartsArgs, registry)
+	pluginregistry.Register(removepodsviolatinginterpodantiaffinity.PluginName, removepodsviolatinginterpodantiaffinity.New, &removepodsviolatinginterpodantiaffinity.RemovePodsViolatingInterPodAntiAffinity{}, &removepodsviolatinginterpodantiaffinity.RemovePodsViolatingInterPodAntiAffinityArgs{}, removepodsviolatinginterpodantiaffinity.ValidateRemovePodsViolatingInterPodAntiAffinityArgs, removepodsviolatinginterpodantiaffinity.SetDefaults_RemovePodsViolatingInterPodAntiAffinityArgs, registry)
+	pluginregistry.Register(removepodsviolatingnodeaffinity.PluginName, removepodsviolatingnodeaffinity.New, &removepodsviolatingnodeaffinity.RemovePodsViolatingNodeAffinity{}, &removepodsviolatingnodeaffinity.RemovePodsViolatingNodeAffinityArgs{}, removepodsviolatingnodeaffinity.ValidateRemovePodsViolatingNodeAffinityArgs, removepodsviolatingnodeaffinity.SetDefaults_RemovePodsViolatingNodeAffinityArgs, registry)
+	pluginregistry.Register(removepodsviolatingnodetaints.PluginName, removepodsviolatingnodetaints.New, &removepodsviolatingnodetaints.RemovePodsViolatingNodeTaints{}, &removepodsviolatingnodetaints.RemovePodsViolatingNodeTaintsArgs{}, removepodsviolatingnodetaints.ValidateRemovePodsViolatingNodeTaintsArgs, removepodsviolatingnodetaints.SetDefaults_RemovePodsViolatingNodeTaintsArgs, registry)
+	pluginregistry.Register(removepodsviolatingtopologyspreadconstraint.PluginName, removepodsviolatingtopologyspreadconstraint.New, &removepodsviolatingtopologyspreadconstraint.RemovePodsViolatingTopologySpreadConstraint{}, &removepodsviolatingtopologyspreadconstraint.RemovePodsViolatingTopologySpreadConstraintArgs{}, removepodsviolatingtopologyspreadconstraint.ValidateRemovePodsViolatingTopologySpreadConstraintArgs, removepodsviolatingtopologyspreadconstraint.SetDefaults_RemovePodsViolatingTopologySpreadConstraintArgs, registry)
+}

pkg/descheduler/strategies/validation/strategyparams.go

@@ -1,71 +0,0 @@
-package validation
-
-import (
-	"context"
-	"fmt"
-
-	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"
-	"sigs.k8s.io/descheduler/pkg/utils"
-)
-
-// ValidatedStrategyParams contains validated common strategy parameters
-type ValidatedStrategyParams struct {
-	ThresholdPriority  int32
-	IncludedNamespaces sets.String
-	ExcludedNamespaces sets.String
-	LabelSelector      labels.Selector
-	NodeFit            bool
-}
-
-func DefaultValidatedStrategyParams() ValidatedStrategyParams {
-	return ValidatedStrategyParams{ThresholdPriority: utils.SystemCriticalPriority}
-}
-
-func ValidateAndParseStrategyParams(
-	ctx context.Context,
-	client clientset.Interface,
-	params *api.StrategyParameters,
-) (*ValidatedStrategyParams, error) {
-	if params == nil {
-		defaultValidatedStrategyParams := DefaultValidatedStrategyParams()
-		return &defaultValidatedStrategyParams, nil
-	}
-
-	// At most one of include/exclude can be set
-	var includedNamespaces, excludedNamespaces sets.String
-	if params.Namespaces != nil && len(params.Namespaces.Include) > 0 && len(params.Namespaces.Exclude) > 0 {
-		return nil, fmt.Errorf("only one of Include/Exclude namespaces can be set")
-	}
-	if params.ThresholdPriority != nil && params.ThresholdPriorityClassName != "" {
-		return nil, fmt.Errorf("only one of ThresholdPriority and thresholdPriorityClassName can be set")
-	}
-
-	thresholdPriority, err := utils.GetPriorityFromStrategyParams(ctx, client, params)
-	if err != nil {
-		return nil, fmt.Errorf("failed to get threshold priority from strategy's params: %+v", err)
-	}
-	if params.Namespaces != nil {
-		includedNamespaces = sets.NewString(params.Namespaces.Include...)
-		excludedNamespaces = sets.NewString(params.Namespaces.Exclude...)
-	}
-	var selector labels.Selector
-	if params.LabelSelector != nil {
-		selector, err = metav1.LabelSelectorAsSelector(params.LabelSelector)
-		if err != nil {
-			return nil, fmt.Errorf("failed to get label selectors from strategy's params: %+v", err)
-		}
-	}
-
-	return &ValidatedStrategyParams{
-		ThresholdPriority:  thresholdPriority,
-		IncludedNamespaces: includedNamespaces,
-		ExcludedNamespaces: excludedNamespaces,
-		LabelSelector:      selector,
-		NodeFit:            params.NodeFit,
-	}, nil
-}

pkg/descheduler/strategies/validation/strategyparams_test.go

@@ -1,79 +0,0 @@
-package validation
-
-import (
-	"context"
-	"testing"
-
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	"k8s.io/client-go/kubernetes/fake"
-
-	"sigs.k8s.io/descheduler/pkg/api"
-)
-
-var (
-	thresholdPriority int32 = 1000
-)
-
-func TestValidStrategyParams(t *testing.T) {
-	ctx := context.Background()
-	fakeClient := &fake.Clientset{}
-	testCases := []struct {
-		name   string
-		params *api.StrategyParameters
-	}{
-		{name: "validate nil params", params: nil},
-		{name: "validate empty params", params: &api.StrategyParameters{}},
-		{name: "validate params with NodeFit", params: &api.StrategyParameters{NodeFit: true}},
-		{name: "validate params with ThresholdPriority", params: &api.StrategyParameters{ThresholdPriority: &thresholdPriority}},
-		{name: "validate params with priorityClassName", params: &api.StrategyParameters{ThresholdPriorityClassName: "high-priority"}},
-		{name: "validate params with excluded namespace", params: &api.StrategyParameters{Namespaces: &api.Namespaces{Exclude: []string{"excluded-ns"}}}},
-		{name: "validate params with included namespace", params: &api.StrategyParameters{Namespaces: &api.Namespaces{Include: []string{"include-ns"}}}},
-		{name: "validate params with empty label selector", params: &api.StrategyParameters{LabelSelector: &metav1.LabelSelector{}}},
-	}
-	for _, tc := range testCases {
-		t.Run(tc.name, func(t *testing.T) {
-			t.Parallel()
-			params, err := ValidateAndParseStrategyParams(ctx, fakeClient, tc.params)
-			if err != nil {
-				t.Errorf("strategy params should be valid but got err: %v", err.Error())
-			}
-			if params == nil {
-				t.Errorf("strategy params should return a strategyParams but got nil")
-			}
-		})
-	}
-}
-
-func TestInvalidStrategyParams(t *testing.T) {
-	ctx := context.Background()
-	fakeClient := &fake.Clientset{}
-	testCases := []struct {
-		name   string
-		params *api.StrategyParameters
-	}{
-		{
-			name:   "invalid params with both included and excluded namespaces nil params",
-			params: &api.StrategyParameters{Namespaces: &api.Namespaces{Include: []string{"include-ns"}, Exclude: []string{"exclude-ns"}}},
-		},
-		{
-			name:   "invalid params with both threshold priority and priority class name",
-			params: &api.StrategyParameters{ThresholdPriorityClassName: "high-priority", ThresholdPriority: &thresholdPriority},
-		},
-		{
-			name:   "invalid params with bad label selector",
-			params: &api.StrategyParameters{LabelSelector: &metav1.LabelSelector{MatchLabels: map[string]string{"": "missing-label"}}},
-		},
-	}
-	for _, tc := range testCases {
-		t.Run(tc.name, func(t *testing.T) {
-			t.Parallel()
-			params, err := ValidateAndParseStrategyParams(ctx, fakeClient, tc.params)
-			if err == nil {
-				t.Errorf("strategy params should be invalid but did not get err")
-			}
-			if params != nil {
-				t.Errorf("strategy params should return a nil strategyParams but got %v", params)
-			}
-		})
-	}
-}

pkg/descheduler/strategy_migration.go

@@ -1,273 +0,0 @@
-/*
-Copyright 2022 The Kubernetes 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 descheduler
-
-import (
-	"context"
-
-	v1 "k8s.io/api/core/v1"
-	"k8s.io/klog/v2"
-	"sigs.k8s.io/descheduler/pkg/api"
-	"sigs.k8s.io/descheduler/pkg/apis/componentconfig"
-	"sigs.k8s.io/descheduler/pkg/apis/componentconfig/validation"
-	"sigs.k8s.io/descheduler/pkg/framework"
-	"sigs.k8s.io/descheduler/pkg/framework/plugins/nodeutilization"
-	"sigs.k8s.io/descheduler/pkg/framework/plugins/podlifetime"
-	"sigs.k8s.io/descheduler/pkg/framework/plugins/removeduplicates"
-	"sigs.k8s.io/descheduler/pkg/framework/plugins/removefailedpods"
-	"sigs.k8s.io/descheduler/pkg/framework/plugins/removepodshavingtoomanyrestarts"
-	"sigs.k8s.io/descheduler/pkg/framework/plugins/removepodsviolatinginterpodantiaffinity"
-	"sigs.k8s.io/descheduler/pkg/framework/plugins/removepodsviolatingnodeaffinity"
-	"sigs.k8s.io/descheduler/pkg/framework/plugins/removepodsviolatingnodetaints"
-	"sigs.k8s.io/descheduler/pkg/framework/plugins/removepodsviolatingtopologyspreadconstraint"
-)
-
-// Once all strategies are migrated the arguments get read from the configuration file
-// without any wiring. Keeping the wiring here so the descheduler can still use
-// the v1alpha1 configuration during the strategy migration to plugins.
-
-var pluginsMap = map[string]func(ctx context.Context, nodes []*v1.Node, params *api.StrategyParameters, handle *handleImpl){
-	"RemovePodsViolatingNodeTaints": func(ctx context.Context, nodes []*v1.Node, params *api.StrategyParameters, handle *handleImpl) {
-		args := &componentconfig.RemovePodsViolatingNodeTaintsArgs{
-			Namespaces:              params.Namespaces,
-			LabelSelector:           params.LabelSelector,
-			IncludePreferNoSchedule: params.IncludePreferNoSchedule,
-			ExcludedTaints:          params.ExcludedTaints,
-		}
-		if err := validation.ValidateRemovePodsViolatingNodeTaintsArgs(args); err != nil {
-			klog.V(1).ErrorS(err, "unable to validate plugin arguments", "pluginName", removepodsviolatingnodetaints.PluginName)
-			return
-		}
-		pg, err := removepodsviolatingnodetaints.New(args, handle)
-		if err != nil {
-			klog.V(1).ErrorS(err, "unable to initialize a plugin", "pluginName", removepodsviolatingnodetaints.PluginName)
-			return
-		}
-		status := pg.(framework.DeschedulePlugin).Deschedule(ctx, nodes)
-		if status != nil && status.Err != nil {
-			klog.V(1).ErrorS(err, "plugin finished with error", "pluginName", removepodsviolatingnodetaints.PluginName)
-		}
-	},
-	"RemoveFailedPods": func(ctx context.Context, nodes []*v1.Node, params *api.StrategyParameters, handle *handleImpl) {
-		failedPodsParams := params.FailedPods
-		if failedPodsParams == nil {
-			failedPodsParams = &api.FailedPods{}
-		}
-		args := &componentconfig.RemoveFailedPodsArgs{
-			Namespaces:              params.Namespaces,
-			LabelSelector:           params.LabelSelector,
-			IncludingInitContainers: failedPodsParams.IncludingInitContainers,
-			MinPodLifetimeSeconds:   failedPodsParams.MinPodLifetimeSeconds,
-			ExcludeOwnerKinds:       failedPodsParams.ExcludeOwnerKinds,
-			Reasons:                 failedPodsParams.Reasons,
-		}
-		if err := validation.ValidateRemoveFailedPodsArgs(args); err != nil {
-			klog.V(1).ErrorS(err, "unable to validate plugin arguments", "pluginName", removefailedpods.PluginName)
-			return
-		}
-		pg, err := removefailedpods.New(args, handle)
-		if err != nil {
-			klog.V(1).ErrorS(err, "unable to initialize a plugin", "pluginName", removefailedpods.PluginName)
-			return
-		}
-		status := pg.(framework.DeschedulePlugin).Deschedule(ctx, nodes)
-		if status != nil && status.Err != nil {
-			klog.V(1).ErrorS(err, "plugin finished with error", "pluginName", removefailedpods.PluginName)
-		}
-	},
-	"RemovePodsViolatingNodeAffinity": func(ctx context.Context, nodes []*v1.Node, params *api.StrategyParameters, handle *handleImpl) {
-		args := &componentconfig.RemovePodsViolatingNodeAffinityArgs{
-			Namespaces:       params.Namespaces,
-			LabelSelector:    params.LabelSelector,
-			NodeAffinityType: params.NodeAffinityType,
-		}
-		if err := validation.ValidateRemovePodsViolatingNodeAffinityArgs(args); err != nil {
-			klog.V(1).ErrorS(err, "unable to validate plugin arguments", "pluginName", removepodsviolatingnodeaffinity.PluginName)
-			return
-		}
-		pg, err := removepodsviolatingnodeaffinity.New(args, handle)
-		if err != nil {
-			klog.V(1).ErrorS(err, "unable to initialize a plugin", "pluginName", removepodsviolatingnodeaffinity.PluginName)
-			return
-		}
-		status := pg.(framework.DeschedulePlugin).Deschedule(ctx, nodes)
-		if status != nil && status.Err != nil {
-			klog.V(1).ErrorS(err, "plugin finished with error", "pluginName", removepodsviolatingnodeaffinity.PluginName)
-		}
-	},
-	"RemovePodsViolatingInterPodAntiAffinity": func(ctx context.Context, nodes []*v1.Node, params *api.StrategyParameters, handle *handleImpl) {
-		args := &componentconfig.RemovePodsViolatingInterPodAntiAffinityArgs{
-			Namespaces:    params.Namespaces,
-			LabelSelector: params.LabelSelector,
-		}
-		if err := validation.ValidateRemovePodsViolatingInterPodAntiAffinityArgs(args); err != nil {
-			klog.V(1).ErrorS(err, "unable to validate plugin arguments", "pluginName", removepodsviolatinginterpodantiaffinity.PluginName)
-			return
-		}
-		pg, err := removepodsviolatinginterpodantiaffinity.New(args, handle)
-		if err != nil {
-			klog.V(1).ErrorS(err, "unable to initialize a plugin", "pluginName", removepodsviolatinginterpodantiaffinity.PluginName)
-			return
-		}
-		status := pg.(framework.DeschedulePlugin).Deschedule(ctx, nodes)
-		if status != nil && status.Err != nil {
-			klog.V(1).ErrorS(err, "plugin finished with error", "pluginName", removepodsviolatinginterpodantiaffinity.PluginName)
-		}
-	},
-	"RemovePodsHavingTooManyRestarts": func(ctx context.Context, nodes []*v1.Node, params *api.StrategyParameters, handle *handleImpl) {
-		tooManyRestartsParams := params.PodsHavingTooManyRestarts
-		if tooManyRestartsParams == nil {
-			tooManyRestartsParams = &api.PodsHavingTooManyRestarts{}
-		}
-		args := &componentconfig.RemovePodsHavingTooManyRestartsArgs{
-			Namespaces:              params.Namespaces,
-			LabelSelector:           params.LabelSelector,
-			PodRestartThreshold:     tooManyRestartsParams.PodRestartThreshold,
-			IncludingInitContainers: tooManyRestartsParams.IncludingInitContainers,
-		}
-		if err := validation.ValidateRemovePodsHavingTooManyRestartsArgs(args); err != nil {
-			klog.V(1).ErrorS(err, "unable to validate plugin arguments", "pluginName", removepodshavingtoomanyrestarts.PluginName)
-			return
-		}
-		pg, err := removepodshavingtoomanyrestarts.New(args, handle)
-		if err != nil {
-			klog.V(1).ErrorS(err, "unable to initialize a plugin", "pluginName", removepodshavingtoomanyrestarts.PluginName)
-			return
-		}
-		status := pg.(framework.DeschedulePlugin).Deschedule(ctx, nodes)
-		if status != nil && status.Err != nil {
-			klog.V(1).ErrorS(err, "plugin finished with error", "pluginName", removepodshavingtoomanyrestarts.PluginName)
-		}
-	},
-	"PodLifeTime": func(ctx context.Context, nodes []*v1.Node, params *api.StrategyParameters, handle *handleImpl) {
-		podLifeTimeParams := params.PodLifeTime
-		if podLifeTimeParams == nil {
-			podLifeTimeParams = &api.PodLifeTime{}
-		}
-
-		var states []string
-		if podLifeTimeParams.PodStatusPhases != nil {
-			states = append(states, podLifeTimeParams.PodStatusPhases...)
-		}
-		if podLifeTimeParams.States != nil {
-			states = append(states, podLifeTimeParams.States...)
-		}
-
-		args := &componentconfig.PodLifeTimeArgs{
-			Namespaces:            params.Namespaces,
-			LabelSelector:         params.LabelSelector,
-			MaxPodLifeTimeSeconds: podLifeTimeParams.MaxPodLifeTimeSeconds,
-			States:                states,
-		}
-		if err := validation.ValidatePodLifeTimeArgs(args); err != nil {
-			klog.V(1).ErrorS(err, "unable to validate plugin arguments", "pluginName", podlifetime.PluginName)
-			return
-		}
-		pg, err := podlifetime.New(args, handle)
-		if err != nil {
-			klog.V(1).ErrorS(err, "unable to initialize a plugin", "pluginName", podlifetime.PluginName)
-			return
-		}
-		status := pg.(framework.DeschedulePlugin).Deschedule(ctx, nodes)
-		if status != nil && status.Err != nil {
-			klog.V(1).ErrorS(err, "plugin finished with error", "pluginName", podlifetime.PluginName)
-		}
-	},
-	"RemoveDuplicates": func(ctx context.Context, nodes []*v1.Node, params *api.StrategyParameters, handle *handleImpl) {
-		args := &componentconfig.RemoveDuplicatesArgs{
-			Namespaces: params.Namespaces,
-		}
-		if params.RemoveDuplicates != nil {
-			args.ExcludeOwnerKinds = params.RemoveDuplicates.ExcludeOwnerKinds
-		}
-		if err := validation.ValidateRemoveDuplicatesArgs(args); err != nil {
-			klog.V(1).ErrorS(err, "unable to validate plugin arguments", "pluginName", removeduplicates.PluginName)
-			return
-		}
-		pg, err := removeduplicates.New(args, handle)
-		if err != nil {
-			klog.V(1).ErrorS(err, "unable to initialize a plugin", "pluginName", removeduplicates.PluginName)
-			return
-		}
-		status := pg.(framework.BalancePlugin).Balance(ctx, nodes)
-		if status != nil && status.Err != nil {
-			klog.V(1).ErrorS(err, "plugin finished with error", "pluginName", removeduplicates.PluginName)
-		}
-	},
-	"RemovePodsViolatingTopologySpreadConstraint": func(ctx context.Context, nodes []*v1.Node, params *api.StrategyParameters, handle *handleImpl) {
-		args := &componentconfig.RemovePodsViolatingTopologySpreadConstraintArgs{
-			Namespaces:             params.Namespaces,
-			LabelSelector:          params.LabelSelector,
-			IncludeSoftConstraints: params.IncludeSoftConstraints,
-		}
-		if err := validation.ValidateRemovePodsViolatingTopologySpreadConstraintArgs(args); err != nil {
-			klog.V(1).ErrorS(err, "unable to validate plugin arguments", "pluginName", removepodsviolatingtopologyspreadconstraint.PluginName)
-			return
-		}
-		pg, err := removepodsviolatingtopologyspreadconstraint.New(args, handle)
-		if err != nil {
-			klog.V(1).ErrorS(err, "unable to initialize a plugin", "pluginName", removepodsviolatingtopologyspreadconstraint.PluginName)
-			return
-		}
-		status := pg.(framework.BalancePlugin).Balance(ctx, nodes)
-		if status != nil && status.Err != nil {
-			klog.V(1).ErrorS(err, "plugin finished with error", "pluginName", removepodsviolatingtopologyspreadconstraint.PluginName)
-		}
-	},
-	"HighNodeUtilization": func(ctx context.Context, nodes []*v1.Node, params *api.StrategyParameters, handle *handleImpl) {
-		args := &componentconfig.HighNodeUtilizationArgs{
-			Thresholds:    params.NodeResourceUtilizationThresholds.Thresholds,
-			NumberOfNodes: params.NodeResourceUtilizationThresholds.NumberOfNodes,
-		}
-
-		if err := validation.ValidateHighNodeUtilizationArgs(args); err != nil {
-			klog.V(1).ErrorS(err, "unable to validate plugin arguments", "pluginName", nodeutilization.HighNodeUtilizationPluginName)
-			return
-		}
-		pg, err := nodeutilization.NewHighNodeUtilization(args, handle)
-		if err != nil {
-			klog.V(1).ErrorS(err, "unable to initialize a plugin", "pluginName", nodeutilization.HighNodeUtilizationPluginName)
-			return
-		}
-		status := pg.(framework.BalancePlugin).Balance(ctx, nodes)
-		if status != nil && status.Err != nil {
-			klog.V(1).ErrorS(err, "plugin finished with error", "pluginName", nodeutilization.HighNodeUtilizationPluginName)
-		}
-	},
-	"LowNodeUtilization": func(ctx context.Context, nodes []*v1.Node, params *api.StrategyParameters, handle *handleImpl) {
-		args := &componentconfig.LowNodeUtilizationArgs{
-			Thresholds:             params.NodeResourceUtilizationThresholds.Thresholds,
-			TargetThresholds:       params.NodeResourceUtilizationThresholds.TargetThresholds,
-			UseDeviationThresholds: params.NodeResourceUtilizationThresholds.UseDeviationThresholds,
-			NumberOfNodes:          params.NodeResourceUtilizationThresholds.NumberOfNodes,
-		}
-
-		if err := validation.ValidateLowNodeUtilizationArgs(args); err != nil {
-			klog.V(1).ErrorS(err, "unable to validate plugin arguments", "pluginName", nodeutilization.LowNodeUtilizationPluginName)
-			return
-		}
-		pg, err := nodeutilization.NewLowNodeUtilization(args, handle)
-		if err != nil {
-			klog.V(1).ErrorS(err, "unable to initialize a plugin", "pluginName", nodeutilization.LowNodeUtilizationPluginName)
-			return
-		}
-		status := pg.(framework.BalancePlugin).Balance(ctx, nodes)
-		if status != nil && status.Err != nil {
-			klog.V(1).ErrorS(err, "plugin finished with error", "pluginName", nodeutilization.LowNodeUtilizationPluginName)
-		}
-	},
-}