Update index.yaml

Signed-off-by: a7i <a7i@users.noreply.github.com>

.gitignore

@@ -1,5 +0,0 @@
-_output/
-_tmp/
-vendordiff.patch
-.idea/
-*.code-workspace

.golangci.yml

@@ -1,15 +0,0 @@
-run:
-  deadline: 2m
-
-linters:
-  disable-all: true
-  enable:
-    - gofmt
-    - gosimple
-    - gocyclo
-    - misspell
-    - govet
-
-linters-settings:
-  goimports:
-local-prefixes: sigs.k8s.io/descheduler

CONTRIBUTING.md

@@ -1,23 +0,0 @@
-# Contributing Guidelines
-
-Welcome to Kubernetes. We are excited about the prospect of you joining our [community](https://github.com/kubernetes/community)! The Kubernetes community abides by the CNCF [code of conduct](code-of-conduct.md). Here is an excerpt:
-
-_As contributors and maintainers of this project, and in the interest of fostering an open and welcoming community, we pledge to respect all people who contribute through reporting issues, posting feature requests, updating documentation, submitting pull requests or patches, and other activities._
-
-## Getting Started
-
-We have full documentation on how to get started contributing here:
-
-- [Contributor License Agreement](https://git.k8s.io/community/CLA.md) Kubernetes projects require that you sign a Contributor License Agreement (CLA) before we can accept your pull requests
-- [Kubernetes Contributor Guide](http://git.k8s.io/community/contributors/guide) - Main contributor documentation, or you can just jump directly to the [contributing section](http://git.k8s.io/community/contributors/guide#contributing)
-- [Contributor Cheat Sheet](https://git.k8s.io/community/contributors/guide/contributor-cheatsheet/README.md) - Common resources for existing developers
-
-## Mentorship
-
-- [Mentoring Initiatives](https://git.k8s.io/community/mentoring) - We have a diverse set of mentorship programs available that are always looking for volunteers!
-
-
-## Contact Information
-
-- [Slack channel](https://kubernetes.slack.com/messages/sig-scheduling)
-- [Mailing list](https://groups.google.com/forum/#!forum/kubernetes-sig-scheduling)

Dockerfile

@@ -1,26 +0,0 @@
-# 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.
-FROM golang:1.13.9
-
-WORKDIR /go/src/sigs.k8s.io/descheduler
-COPY . .
-RUN make
-
-FROM scratch
-
-MAINTAINER Avesh Agarwal <avesh.ncsu@gmail.com>
-
-COPY --from=0 /go/src/sigs.k8s.io/descheduler/_output/bin/descheduler /bin/descheduler
-
-CMD ["/bin/descheduler", "--help"]

Dockerfile.dev

@@ -1,20 +0,0 @@
-# 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.
-FROM scratch
-
-MAINTAINER Avesh Agarwal <avesh.ncsu@gmail.com>
-
-COPY _output/bin/descheduler /bin/descheduler
-
-CMD ["/bin/descheduler", "--help"]

LICENSE

@@ -1,201 +0,0 @@
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Makefile

@@ -1,89 +0,0 @@
-# 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.
-
-.PHONY: test
-
-# VERSION is currently based on the last commit
-VERSION?=$(shell git describe --tags)
-COMMIT=$(shell git rev-parse HEAD)
-BUILD=$(shell date +%FT%T%z)
-LDFLAG_LOCATION=sigs.k8s.io/descheduler/cmd/descheduler/app
-
-LDFLAGS=-ldflags "-X ${LDFLAG_LOCATION}.version=${VERSION} -X ${LDFLAG_LOCATION}.buildDate=${BUILD} -X ${LDFLAG_LOCATION}.gitCommit=${COMMIT}"
-
-GOLANGCI_VERSION := v1.15.0
-HAS_GOLANGCI := $(shell which golangci-lint)
-
-# REGISTRY is the container registry to push
-# into. The default is to push to the staging
-# registry, not production.
-REGISTRY?=gcr.io/k8s-staging-descheduler
-
-# IMAGE is the image name of descheduler
-IMAGE:=descheduler:$(VERSION)
-
-# IMAGE_GCLOUD is the image name of descheduler in the remote registry
-IMAGE_GCLOUD:=$(REGISTRY)/descheduler:$(VERSION)
-
-# TODO: upload binaries to GCS bucket
-#
-# In the future binaries can be uploaded to
-# GCS bucket gs://k8s-staging-descheduler.
-
-all: build
-
-build:
-	CGO_ENABLED=0 go build ${LDFLAGS} -o _output/bin/descheduler sigs.k8s.io/descheduler/cmd/descheduler
-
-dev-image: build
-	docker build -f Dockerfile.dev -t $(IMAGE) .
-
-image:
-	docker build -t $(IMAGE) .
-
-push-container-to-gcloud: image
-	gcloud auth configure-docker
-	docker tag $(IMAGE) $(IMAGE_GCLOUD)
-	docker push $(IMAGE_GCLOUD)
-
-push: push-container-to-gcloud
-
-clean:
-	rm -rf _output
-
-verify: verify-gofmt verify-vendor lint
-
-verify-gofmt:
-	./hack/verify-gofmt.sh
-
-verify-vendor:
-	./hack/verify-vendor.sh
-
-test-unit:
-	./test/run-unit-tests.sh
-
-test-e2e:
-	./test/run-e2e-tests.sh
-
-gen:
-	./hack/update-generated-conversions.sh
-	./hack/update-generated-deep-copies.sh
-	./hack/update-generated-defaulters.sh
-	#undo go mod changes caused by above.
-	go mod tidy
-lint:
-ifndef HAS_GOLANGCI
-	curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | sh -s -- -b ./_output/bin ${GOLANGCI_VERSION}
-endif
-	./_output/bin/golangci-lint run

OWNERS

@@ -1,11 +0,0 @@
-approvers:
-- aveshagarwal
-- k82cn
-- ravisantoshgudimetla
-- damemi
-reviewers:
-- aveshagarwal
-- k82cn
-- ravisantoshgudimetla
-- damemi
-- seanmalloy

README.md

@@ -1,290 +0,0 @@
-[![Go Report Card](https://goreportcard.com/badge/kubernetes-sigs/descheduler)](https://goreportcard.com/report/sigs.k8s.io/descheduler)
-
-# Descheduler for Kubernetes
-
-## Introduction
-
-Scheduling in Kubernetes is the process of binding pending pods to nodes, and is performed by
-a component of Kubernetes called kube-scheduler. The scheduler's decisions, whether or where a
-pod can or can not be scheduled, are guided by its configurable policy which comprises of set of
-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.
-
-## Quick Start
-
-The descheduler can be run as a Job or CronJob 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/rbac.yaml
-kubectl create -f kubernetes/configmap.yaml
-kubectl create -f kubernetes/job.yaml
-```
-
-### Run As A CronJob
-
-```
-kubectl create -f kubernetes/rbac.yaml
-kubectl create -f kubernetes/configmap.yaml
-kubectl create -f kubernetes/cronjob.yaml
-```
-
-## 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.
-Seven strategies `RemoveDuplicates`, `LowNodeUtilization`, `RemovePodsViolatingInterPodAntiAffinity`,
-`RemovePodsViolatingNodeAffinity`, `RemovePodsViolatingNodeTaints`, `RemovePodsHavingTooManyRestarts`, and `PodLifeTime`
-are currently implemented. As part of the policy, the parameters associated with the strategies can be configured too.
-By default, all strategies are enabled.
-
-### RemoveDuplicates
-
-This strategy makes sure that there is only one pod associated with a Replica Set (RS),
-Replication Controller (RC), Deployment, 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. Currently, there are no
-parameters associated with this strategy. To disable this strategy, the policy should look like:
-
-```
-apiVersion: "descheduler/v1alpha1"
-kind: "DeschedulerPolicy"
-strategies:
-  "RemoveDuplicates":
-     enabled: false
-```
-
-### 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, and number of pods in terms of percentage. If a node's
-usage is below threshold for all (cpu, memory, and number of pods), 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. 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.
-Here is an example of a policy for this strategy:
-
-```
-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
-```
-
-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.
-
-### 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. Currently, there are no parameters associated with this strategy. To disable this strategy, the
-policy should look like:
-
-```
-apiVersion: "descheduler/v1alpha1"
-kind: "DeschedulerPolicy"
-strategies:
-  "RemovePodsViolatingInterPodAntiAffinity":
-     enabled: false
-```
-
-### 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.
-
-The policy file should look like:
-
-```
-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. The policy file should look like:
-
-````
-apiVersion: "descheduler/v1alpha1"
-kind: "DeschedulerPolicy"
-strategies:
-  "RemovePodsViolatingNodeTaints":
-    enabled: true
-````
-
-### 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.
-
-```
-apiVersion: "descheduler/v1alpha1"
-kind: "DeschedulerPolicy"
-strategies:
-  "RemovePodsHavingTooManyRestarts":
-     enabled: true
-     params:
-       podsHavingTooManyRestarts:
-         podRestartThreshold: 100
-         includingInitContainers: true
-```
-
-### PodLifeTime
-
-This strategy evicts pods that are older than `.strategies.PodLifeTime.params.maxPodLifeTimeSeconds` The policy
-file should look like:
-
-````
-apiVersion: "descheduler/v1alpha1"
-kind: "DeschedulerPolicy"
-strategies:
-  "PodLifeTime":
-     enabled: true
-     params:
-        maxPodLifeTimeSeconds: 86400
-````
-
-## Pod Evictions
-
-When the descheduler decides to evict pods from a node, it employs the following general mechanism:
-
-* [Critical pods](https://kubernetes.io/docs/tasks/administer-cluster/guaranteed-scheduling-critical-addon-pods/) (with priorityClassName set to system-cluster-critical or system-node-critical) are never evicted.
-* Pods (static or mirrored pods or stand alone pods) not part of an RC, RS, Deployment or Job are
-never evicted because these pods won't be recreated.
-* Pods associated with DaemonSets are never evicted.
-* Pods with local storage are never evicted.
-* Best efforts pods are evicted before burstable and guaranteed pods.
-* All types of pods with the annotation descheduler.alpha.kubernetes.io/evict are evicted. This
-  annotation is used to override checks which prevent eviction and users can select which pod is evicted.
-  Users should know how and if the pod will be recreated.
-
-### Pod Disruption Budget (PDB)
-
-Pods subject to a Pod Disruption Budget(PDB) are not evicted if descheduling violates its PDB. The pods
-are evicted by using the eviction subresource to handle PDB.
-
-## Compatibility Matrix
-
-Descheduler  | supported Kubernetes version
--------------|-----------------------------
-v0.10        | v1.17
-v0.4-v0.9    | v1.9+
-v0.1-v0.3    | v1.7-v1.8
-
-
-## Getting Involved and Contributing
-
-Are you interested in contributing to descheduler? We, the
-maintainers and community, would love your suggestions, contributions, and help!
-Also, the maintainers can be contacted at any time to learn more about how to get
-involved.
-
-To get started writing code see the [contributor guide](docs/contributor-guide.md) in the `/docs` directory.
-
-In the interest of getting more new people involved we tag issues with
-[`good first issue`][good_first_issue].
-These are typically issues that have smaller scope but are good ways to start
-to get acquainted with the codebase.
-
-We also encourage ALL active community participants to act as if they are
-maintainers, even if you don't have "official" write permissions. This is a
-community effort, we are here to serve the Kubernetes community. If you have an
-active interest and you want to get involved, you have real power! Don't assume
-that the only people who can get things done around here are the "maintainers".
-
-We also would love to add more "official" maintainers, so show us what you can
-do!
-
-This repository uses the Kubernetes bots. See a full list of the commands [here][prow].
-
-### Communicating With Contributors
-
-You can reach the contributors of this project at:
-
-- [Slack channel](https://kubernetes.slack.com/messages/sig-scheduling)
-- [Mailing list](https://groups.google.com/forum/#!forum/kubernetes-sig-scheduling)
-
-Learn how to engage with the Kubernetes community on the [community page](http://kubernetes.io/community/).
-
-## Roadmap
-
-This roadmap is not in any particular order.
-
-* Consideration of pod affinity
-* Strategy to consider number of pending pods
-* Integration with cluster autoscaler
-* Integration with metrics providers for obtaining real load metrics
-* Consideration of Kubernetes's scheduler's predicates
-
-
-### Code of conduct
-
-Participation in the Kubernetes community is governed by the [Kubernetes Code of Conduct](code-of-conduct.md).

SECURITY_CONTACTS

@@ -1,15 +0,0 @@
-# Defined below are the security contacts for this repo.
-#
-# They are the contact point for the Product Security Team to reach out
-# to for triaging and handling of incoming issues.
-#
-# The below names agree to abide by the
-# [Embargo Policy](https://github.com/kubernetes/sig-release/blob/master/security-release-process-documentation/security-release-process.md#embargo-policy)
-# and will be removed and replaced if they violate that agreement.
-#
-# DO NOT REPORT SECURITY VULNERABILITIES DIRECTLY TO THESE NAMES, FOLLOW THE
-# INSTRUCTIONS AT https://kubernetes.io/security/
-
-aveshagarwal
-k82cn
-ravisantoshgudimetla

cloudbuild.yaml

@@ -1,24 +0,0 @@
-# See https://cloud.google.com/cloud-build/docs/build-config
-
-# this must be specified in seconds. If omitted, defaults to 600s (10 mins)
-timeout: 1200s
-# this prevents errors if you don't use both _GIT_TAG and _PULL_BASE_REF,
-# or any new substitutions added in the future.
-options:
-  substitution_option: ALLOW_LOOSE
-steps:
-  - name: 'gcr.io/k8s-testimages/gcb-docker-gcloud:v20190906-745fed4'
-    entrypoint: make
-    env:
-    - DOCKER_CLI_EXPERIMENTAL=enabled
-    - VERSION=$_GIT_TAG
-    - BASE_REF=$_PULL_BASE_REF
-    args:
-    - push
-substitutions:
-  # _GIT_TAG will be filled with a git-based tag for the image, of the form vYYYYMMDD-hash, and
-  # can be used as a substitution
-  _GIT_TAG: '12345'
-  # _PULL_BASE_REF will contain the ref that was pushed to to trigger this build -
-  # a branch like 'master' or 'release-0.2', or a tag like 'v0.2'.
-  _PULL_BASE_REF: 'master'

cmd/descheduler/app/options/options.go

@@ -1,61 +0,0 @@
-/*
-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 options provides the descheduler flags
-package options
-
-import (
-	clientset "k8s.io/client-go/kubernetes"
-
-	// install the componentconfig api so we get its defaulting and conversion functions
-	"sigs.k8s.io/descheduler/pkg/apis/componentconfig"
-	"sigs.k8s.io/descheduler/pkg/apis/componentconfig/v1alpha1"
-	deschedulerscheme "sigs.k8s.io/descheduler/pkg/descheduler/scheme"
-
-	"github.com/spf13/pflag"
-)
-
-// DeschedulerServer configuration
-type DeschedulerServer struct {
-	componentconfig.DeschedulerConfiguration
-	Client clientset.Interface
-}
-
-// NewDeschedulerServer creates a new DeschedulerServer with default parameters
-func NewDeschedulerServer() *DeschedulerServer {
-	versioned := v1alpha1.DeschedulerConfiguration{}
-	deschedulerscheme.Scheme.Default(&versioned)
-	cfg := componentconfig.DeschedulerConfiguration{}
-	deschedulerscheme.Scheme.Convert(versioned, &cfg, nil)
-	s := DeschedulerServer{
-		DeschedulerConfiguration: cfg,
-	}
-	return &s
-}
-
-// AddFlags adds flags for a specific SchedulerServer to the specified FlagSet
-func (rs *DeschedulerServer) AddFlags(fs *pflag.FlagSet) {
-	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.PolicyConfigFile, "policy-config-file", rs.PolicyConfigFile, "File with descheduler policy configuration.")
-	fs.BoolVar(&rs.DryRun, "dry-run", rs.DryRun, "execute descheduler in dry run mode.")
-	// node-selector query causes descheduler to run only on nodes that matches the node labels in the query
-	fs.StringVar(&rs.NodeSelector, "node-selector", rs.NodeSelector, "Selector (label query) to filter on, supports '=', '==', and '!='.(e.g. -l key1=value1,key2=value2)")
-	// max-no-pods-to-evict limits the maximum number of pods to be evicted per node by descheduler.
-	fs.IntVar(&rs.MaxNoOfPodsToEvictPerNode, "max-pods-to-evict-per-node", rs.MaxNoOfPodsToEvictPerNode, "Limits the maximum number of pods to be evicted per node by descheduler")
-	// evict-local-storage-pods allows eviction of pods that are using local storage. This is false by default.
-	fs.BoolVar(&rs.EvictLocalStoragePods, "evict-local-storage-pods", rs.EvictLocalStoragePods, "Enables evicting pods using local storage by descheduler")
-}

cmd/descheduler/app/server.go

@@ -1,61 +0,0 @@
-/*
-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 app implements a Server object for running the descheduler.
-package app
-
-import (
-	"flag"
-	"io"
-
-	"sigs.k8s.io/descheduler/cmd/descheduler/app/options"
-	"sigs.k8s.io/descheduler/pkg/descheduler"
-
-	"github.com/spf13/cobra"
-
-	aflag "k8s.io/component-base/cli/flag"
-	"k8s.io/component-base/logs"
-	"k8s.io/klog"
-)
-
-// NewDeschedulerCommand creates a *cobra.Command object with default parameters
-func NewDeschedulerCommand(out io.Writer) *cobra.Command {
-	s := options.NewDeschedulerServer()
-	cmd := &cobra.Command{
-		Use:   "descheduler",
-		Short: "descheduler",
-		Long:  `The descheduler evicts pods which may be bound to less desired nodes`,
-		Run: func(cmd *cobra.Command, args []string) {
-			logs.InitLogs()
-			defer logs.FlushLogs()
-			err := Run(s)
-			if err != nil {
-				klog.Errorf("%v", err)
-			}
-		},
-	}
-	cmd.SetOutput(out)
-
-	flags := cmd.Flags()
-	flags.SetNormalizeFunc(aflag.WordSepNormalizeFunc)
-	flags.AddGoFlagSet(flag.CommandLine)
-	s.AddFlags(flags)
-	return cmd
-}
-
-func Run(rs *options.DeschedulerServer) error {
-	return descheduler.Run(rs)
-}

cmd/descheduler/app/version.go

@@ -1,87 +0,0 @@
-/*
-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 app
-
-import (
-	"fmt"
-	"runtime"
-	"strings"
-
-	"github.com/spf13/cobra"
-)
-
-var (
-	// gitCommit is a constant representing the source version that
-	// generated this build. It should be set during build via -ldflags.
-	gitCommit string
-	// version is a constant representing the version tag that
-	// generated this build. It should be set during build via -ldflags.
-	version string
-	// buildDate in ISO8601 format, output of $(date -u +'%Y-%m-%dT%H:%M:%SZ')
-	//It should be set during build via -ldflags.
-	buildDate string
-)
-
-// Info holds the information related to descheduler app version.
-type Info struct {
-	Major      string `json:"major"`
-	Minor      string `json:"minor"`
-	GitCommit  string `json:"gitCommit"`
-	GitVersion string `json:"gitVersion"`
-	BuildDate  string `json:"buildDate"`
-	GoVersion  string `json:"goVersion"`
-	Compiler   string `json:"compiler"`
-	Platform   string `json:"platform"`
-}
-
-// Get returns the overall codebase version. It's for detecting
-// what code a binary was built from.
-func Get() Info {
-	majorVersion, minorVersion := splitVersion(version)
-	return Info{
-		Major:      majorVersion,
-		Minor:      minorVersion,
-		GitCommit:  gitCommit,
-		GitVersion: version,
-		BuildDate:  buildDate,
-		GoVersion:  runtime.Version(),
-		Compiler:   runtime.Compiler,
-		Platform:   fmt.Sprintf("%s/%s", runtime.GOOS, runtime.GOARCH),
-	}
-}
-
-func NewVersionCommand() *cobra.Command {
-	var versionCmd = &cobra.Command{
-		Use:   "version",
-		Short: "Version of descheduler",
-		Long:  `Prints the version of descheduler.`,
-		Run: func(cmd *cobra.Command, args []string) {
-			fmt.Printf("Descheduler version %+v\n", Get())
-		},
-	}
-	return versionCmd
-}
-
-// splitVersion splits the git version to generate major and minor versions needed.
-func splitVersion(version string) (string, string) {
-	if version == "" {
-		return "", ""
-	}
-	// A sample version would be of form v0.1.0-7-ge884046, so split at first '.' and
-	// then return 0 and 1+(+ appended to follow semver convention) for major and minor versions.
-	return strings.Trim(strings.Split(version, ".")[0], "v"), strings.Split(version, ".")[1] + "+"
-}

cmd/descheduler/descheduler.go

@@ -1,36 +0,0 @@
-/*
-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 main
-
-import (
-	"flag"
-	"fmt"
-	"os"
-
-	"sigs.k8s.io/descheduler/cmd/descheduler/app"
-)
-
-func main() {
-	out := os.Stdout
-	cmd := app.NewDeschedulerCommand(out)
-	cmd.AddCommand(app.NewVersionCommand())
-	flag.CommandLine.Parse([]string{})
-	if err := cmd.Execute(); err != nil {
-		fmt.Println(err)
-		os.Exit(1)
-	}
-}

code-of-conduct.md

@@ -1,3 +0,0 @@
-# Kubernetes Community Code of Conduct
-
-Please refer to our [Kubernetes Community Code of Conduct](https://git.k8s.io/community/code-of-conduct.md)

docs/README.md

@@ -1,5 +0,0 @@
-# Documentation Index
-
-- [Contributor Guide](contributor-guide.md)
-- [Release Guide](release-guide.md)
-- [User Guide](user-guide.md)

docs/contributor-guide.md

@@ -1,42 +0,0 @@
-# Contributor Guide
-
-## Required Tools
-
-- [Git](https://git-scm.com/downloads)
-- [Go 1.13+](https://golang.org/dl/)
-- [Docker](https://docs.docker.com/install/)
-- [kubectl](https://kubernetes.io/docs/tasks/tools/install-kubectl)
-- [kind](https://kind.sigs.k8s.io/)
-
-## Build and Run
-
-Build descheduler.
-```sh
-cd $GOPATH/src/sigs.k8s.io
-git clone https://github.com/kubernetes-sigs/descheduler.git
-cd descheduler
-make
-```
-
-Run descheduler.
-```sh
-./_output/bin/descheduler --kubeconfig <path to kubeconfig> --policy-config-file <path-to-policy-file> --v 1
-```
-
-View all CLI options.
-```
-./_output/bin/descheduler --help
-```
-
-## Run Tests
-```
-GOOS=linux make dev-image
-kind create cluster --config hack/kind_config.yaml
-kind load docker-image <image name>
-kind get kubeconfig > /tmp/admin.conf
-make test-unit
-make test-e2e
-```
-
-### Miscellaneous
-See the [hack directory](https://github.com/kubernetes-sigs/descheduler/tree/master/hack) for additional tools and scripts used for developing the descheduler.

docs/release-guide.md

@@ -1,44 +0,0 @@
-# Release Guide
-
-## Semi-automatic
-
-1. Make sure your repo is clean by git's standards
-2. Tag the repository and push the tag `VERSION=v0.10.0 git tag -m $VERSION $VERSION; git push origin $VERSION`
-3. Publish a draft release using the tag you just created
-4. Perform the [image promotion process](https://github.com/kubernetes/k8s.io/tree/master/k8s.gcr.io#image-promoter)
-5. Publish release
-6. Email `kubernetes-sig-scheduling@googlegroups.com` to announce the release
-
-## Manual
-
-1. Make sure your repo is clean by git's standards
-2. Tag the repository and push the tag `VERSION=v0.10.0 git tag -m $VERSION $VERSION; git push origin $VERSION`
-3. Checkout the tag you just created and make sure your repo is clean by git's standards `git checkout $VERSION`
-4. Build and push the container image to the staging registry `VERSION=$VERSION make push`
-5. Publish a draft release using the tag you just created
-6. Perform the [image promotion process](https://github.com/kubernetes/k8s.io/tree/master/k8s.gcr.io#image-promoter)
-7. Publish release
-8. Email `kubernetes-sig-scheduling@googlegroups.com` to announce the release
-
-## Notes
-See [post-descheduler-push-images dashboard](https://testgrid.k8s.io/sig-scheduling#post-descheduler-push-images) for staging registry image build job status.
-
-List images in staging registry.
-```
-gcloud container images list --repository gcr.io/k8s-staging-descheduler
-```
-
-List descheduler image tags in the staging registry.
-```
-gcloud container images list-tags gcr.io/k8s-staging-descheduler/descheduler
-```
-
-Get SHA256 hash for a specific image in the staging registry.
-```
-gcloud container images describe gcr.io/k8s-staging-descheduler/descheduler:v20200206-0.9.0-94-ge2a23f284
-```
-
-Pull image from the staging registry.
-```
-docker pull gcr.io/k8s-staging-descheduler/descheduler:v20200206-0.9.0-94-ge2a23f284
-```

docs/user-guide.md

@@ -1,90 +0,0 @@
-# User Guide
-
-Starting with descheduler release v0.10.0 container images are available in these container registries.
-* `asia.gcr.io/k8s-artifacts-prod/descheduler/descheduler`
-* `eu.gcr.io/k8s-artifacts-prod/descheduler/descheduler`
-* `us.gcr.io/k8s-artifacts-prod/descheduler/descheduler`
-
-## Policy Configuration Examples
-The [examples](https://github.com/kubernetes-sigs/descheduler/tree/master/examples) directory has descheduler policy configuration examples.
-
-## 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:
-  help        Help about any command
-  version     Version of descheduler
-
-Flags:
-      --add-dir-header                   If true, adds the file directory to the header
-      --alsologtostderr                  log to standard error as well as files
-      --descheduling-interval duration   Time interval between two consecutive descheduler executions. Setting this value instructs the descheduler to run in a continuous loop at the interval specified.
-      --dry-run                          execute descheduler in dry run mode.
-      --evict-local-storage-pods         Enables evicting pods using local storage by descheduler
-  -h, --help                             help for descheduler
-      --kubeconfig string                File with  kube configuration.
-      --log-backtrace-at traceLocation   when logging hits line file:N, emit a stack trace (default :0)
-      --log-dir string                   If non-empty, write log files in this directory
-      --log-file string                  If non-empty, use this log file
-      --log-file-max-size uint           Defines the maximum size a log file can grow to. Unit is megabytes. If the value is 0, the maximum file size is unlimited. (default 1800)
-      --log-flush-frequency duration     Maximum number of seconds between log flushes (default 5s)
-      --logtostderr                      log to standard error instead of files (default true)
-      --max-pods-to-evict-per-node int   Limits the maximum number of pods to be evicted per node by descheduler
-      --node-selector string             Selector (label query) to filter on, supports '=', '==', and '!='.(e.g. -l key1=value1,key2=value2)
-      --policy-config-file string        File with descheduler policy configuration.
-      --skip-headers                     If true, avoid header prefixes in the log messages
-      --skip-log-headers                 If true, avoid headers when opening log files
-      --stderrthreshold severity         logs at or above this threshold go to stderr (default 2)
-  -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.
-```
-
-## Production Use Cases
-This section contains descriptions of real world production use cases.
-
-### Balance Cluster By Pod Age
-When initially migrating applications from a static virtual machine infrastructure to a cloud native k8s
-infrastructure there can be a tendency to treat application pods like static virtual machines. One approach
-to help prevent developers and operators from treating pods like virtual machines is to ensure that pods
-only run for a fixed amount
-of time.
-
-The `PodLifeTime` strategy can be used to ensure that old pods are evicted. It is recommended to create a
-[pod disruption budget](https://kubernetes.io/docs/tasks/run-application/configure-pdb/) for each
-application to ensure application availability.
-```
-descheduler -v=3 --evict-local-storage-pods --policy-config-file=pod-life-time.yml
-```
-
-This policy configuration file ensures that pods created more than 7 days ago are evicted.
-```
----
-apiVersion: "descheduler/v1alpha1"
-kind: "DeschedulerPolicy"
-strategies:
-  "LowNodeUtilization":
-    enabled: false
-  "RemoveDuplicates":
-    enabled: false
-  "RemovePodsViolatingInterPodAntiAffinity":
-    enabled: false
-  "RemovePodsViolatingNodeAffinity":
-    enabled: false
-  "RemovePodsViolatingNodeTaints":
-    enabled: false
-  "RemovePodsHavingTooManyRestarts":
-    enabled: false
-  "PodLifeTime":
-    enabled: true
-    params:
-      maxPodLifeTimeSeconds: 604800 # pods run for a maximum of 7 days
-```

examples/node-affinity.yml

@@ -1,8 +0,0 @@
-apiVersion: "descheduler/v1alpha1"
-kind: "DeschedulerPolicy"
-strategies:
-  "RemovePodsViolatingNodeAffinity":
-    enabled: true
-    params:
-      nodeAffinityType:
-      - "requiredDuringSchedulingIgnoredDuringExecution"

examples/pod-life-time.yml

@@ -1,20 +0,0 @@
----
-apiVersion: "descheduler/v1alpha1"
-kind: "DeschedulerPolicy"
-strategies:
-  "LowNodeUtilization":
-    enabled: false
-  "RemoveDuplicates":
-    enabled: false
-  "RemovePodsViolatingInterPodAntiAffinity":
-    enabled: false
-  "RemovePodsViolatingNodeAffinity":
-    enabled: false
-  "RemovePodsViolatingNodeTaints":
-    enabled: false
-  "RemovePodsHavingTooManyRestarts":
-    enabled: false
-  "PodLifeTime":
-    enabled: true
-    params:
-      maxPodLifeTimeSeconds: 604800 # 7 days

examples/policy.yaml

@@ -1,25 +0,0 @@
-apiVersion: "descheduler/v1alpha1"
-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:
-         podRestartThresholds: 100
-         includingInitContainers: true

go.mod

@@ -1,16 +0,0 @@
-module sigs.k8s.io/descheduler
-
-go 1.13
-
-require (
-	github.com/gogo/protobuf v1.3.1 // indirect
-	github.com/spf13/cobra v0.0.5
-	github.com/spf13/pflag v1.0.5
-	k8s.io/api v0.17.5
-	k8s.io/apimachinery v0.17.5
-	k8s.io/apiserver v0.17.5
-	k8s.io/client-go v0.17.5
-	k8s.io/component-base v0.17.5
-	k8s.io/klog v1.0.0
-	sigs.k8s.io/yaml v1.2.0 // indirect
-)

go.sum

@@ -1,351 +0,0 @@
-cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
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hack/boilerplate/boilerplate.go.txt

@@ -1,16 +0,0 @@
-/*
-Copyright YEAR 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.
-*/
-

hack/e2e-gce/gcloud_create_cluster.sh

@@ -1,95 +0,0 @@
-#!/bin/bash
-
-set -o errexit
-set -o nounset
-set -o pipefail
-
-echo "Make sure that uuid package is installed"
-
-master_uuid=$(uuid)
-node1_uuid=$(uuid)
-node2_uuid=$(uuid)
-kube_apiserver_port=6443
-kube_version=1.13.1
-
-DESCHEDULER_ROOT=$(dirname "${BASH_SOURCE}")/../../
-E2E_GCE_HOME=$DESCHEDULER_ROOT/hack/e2e-gce
-
-
-create_cluster() {
-	echo "#################### Creating instances ##########################"
-        gcloud compute instances create descheduler-$master_uuid --image="ubuntu-1604-xenial-v20180306" --image-project="ubuntu-os-cloud" --zone=us-east1-b
-	# Keeping the --zone here so as to make sure that e2e's can run locally.
-	echo "gcloud compute instances delete descheduler-$master_uuid --zone=us-east1-b --quiet" > $E2E_GCE_HOME/delete_cluster.sh
-       
-	gcloud compute instances create descheduler-$node1_uuid --image="ubuntu-1604-xenial-v20180306" --image-project="ubuntu-os-cloud" --zone=us-east1-b
-	echo "gcloud compute instances delete descheduler-$node1_uuid --zone=us-east1-b --quiet" >> $E2E_GCE_HOME/delete_cluster.sh
-
-	gcloud compute instances create descheduler-$node2_uuid --image="ubuntu-1604-xenial-v20180306" --image-project="ubuntu-os-cloud" --zone=us-east1-b
-	echo "gcloud compute instances delete descheduler-$node2_uuid --zone=us-east1-b --quiet" >> $E2E_GCE_HOME/delete_cluster.sh
-
-	# Delete the firewall port created for master.
-	echo "gcloud compute firewall-rules delete kubeapiserver-$master_uuid --quiet" >> $E2E_GCE_HOME/delete_cluster.sh
-	chmod 755 $E2E_GCE_HOME/delete_cluster.sh
-}
-
-
-generate_kubeadm_instance_files() {
-	# TODO: Check if they have come up. awk $6 contains the state(RUNNING or not).
-	master_private_ip=$(gcloud compute instances list | grep $master_uuid|awk '{print $4}')
-	node1_public_ip=$(gcloud compute instances list | grep $node1_uuid|awk '{print $5}')
-	node2_public_ip=$(gcloud compute instances list | grep $node2_uuid|awk '{print $5}')
-	echo "kubeadm init --kubernetes-version=${kube_version} --apiserver-advertise-address=${master_private_ip}" --ignore-preflight-errors=all --pod-network-cidr=10.96.0.0/12 > $E2E_GCE_HOME/kubeadm_install.sh
-}
-
-
-transfer_install_files() {
-	gcloud compute scp  $E2E_GCE_HOME/kubeadm_preinstall.sh descheduler-$master_uuid:/tmp --zone=us-east1-b
-	gcloud compute scp $E2E_GCE_HOME/kubeadm_install.sh descheduler-$master_uuid:/tmp --zone=us-east1-b
-	gcloud compute scp  $E2E_GCE_HOME/kubeadm_preinstall.sh descheduler-$node1_uuid:/tmp --zone=us-east1-b
-	gcloud compute scp  $E2E_GCE_HOME/kubeadm_preinstall.sh descheduler-$node2_uuid:/tmp --zone=us-east1-b
-}
-
-
-install_kube() {
-	# Docker installation.
-	gcloud compute ssh descheduler-$master_uuid --command "sudo apt-get update; sudo apt-get install -y docker.io" --zone=us-east1-b
-	gcloud compute ssh descheduler-$node1_uuid --command "sudo apt-get update; sudo apt-get install -y docker.io" --zone=us-east1-b
-	gcloud compute ssh descheduler-$node2_uuid --command "sudo apt-get update; sudo apt-get install -y docker.io" --zone=us-east1-b
-	# kubeadm installation.
-	# 1. Transfer files to master, nodes.
-	transfer_install_files
-	# 2. Install kubeadm.
-	#TODO: Add rm /tmp/kubeadm_install.sh
-	# Open port for kube API server	
-	gcloud compute firewall-rules create kubeapiserver-$master_uuid --allow tcp:6443 --source-tags=descheduler-$master_uuid  --source-ranges=0.0.0.0/0 --description="Opening api server port" 
-
-	gcloud compute ssh descheduler-$master_uuid --command "sudo chmod 755 /tmp/kubeadm_preinstall.sh; sudo /tmp/kubeadm_preinstall.sh" --zone=us-east1-b
-	kubeadm_join_command=$(gcloud compute ssh descheduler-$master_uuid --command "sudo chmod 755 /tmp/kubeadm_install.sh; sudo /tmp/kubeadm_install.sh" --zone=us-east1-b|grep 'kubeadm join')
-	
-	# Copy the kubeconfig file onto /tmp for e2e tests. 
-	gcloud compute ssh descheduler-$master_uuid --command "sudo cp /etc/kubernetes/admin.conf /tmp; sudo chmod 777 /tmp/admin.conf" --zone=us-east1-b
-	gcloud compute scp descheduler-$master_uuid:/tmp/admin.conf /tmp/admin.conf --zone=us-east1-b
-
-	# Postinstall on master, need to add a network plugin for kube-dns to come to running state.
-	gcloud compute ssh descheduler-$master_uuid --command "sudo kubectl apply -f https://raw.githubusercontent.com/cloudnativelabs/kube-router/master/daemonset/kubeadm-kuberouter.yaml --kubeconfig /etc/kubernetes/admin.conf" --zone=us-east1-b
-	echo $kubeadm_join_command > $E2E_GCE_HOME/kubeadm_join.sh
-
-	# Copy kubeadm_join to every node. 
-	#TODO: Put these in a loop, so that extension becomes possible.	
-	gcloud compute ssh descheduler-$node1_uuid --command "sudo chmod 755 /tmp/kubeadm_preinstall.sh; sudo /tmp/kubeadm_preinstall.sh" --zone=us-east1-b
-	gcloud compute scp $E2E_GCE_HOME/kubeadm_join.sh descheduler-$node1_uuid:/tmp --zone=us-east1-b
-	gcloud compute ssh descheduler-$node1_uuid --command "sudo chmod 755 /tmp/kubeadm_join.sh; sudo /tmp/kubeadm_join.sh" --zone=us-east1-b
-	
-	gcloud compute ssh descheduler-$node2_uuid --command "sudo chmod 755 /tmp/kubeadm_preinstall.sh; sudo /tmp/kubeadm_preinstall.sh" --zone=us-east1-b
-	gcloud compute scp $E2E_GCE_HOME/kubeadm_join.sh descheduler-$node2_uuid:/tmp --zone=us-east1-b
-	gcloud compute ssh descheduler-$node2_uuid --command "sudo chmod 755 /tmp/kubeadm_join.sh; sudo /tmp/kubeadm_join.sh" --zone=us-east1-b
-
-}
-
-
-create_cluster
-
-generate_kubeadm_instance_files
-
-install_kube

hack/e2e-gce/gcloud_sdk_configure.sh

@@ -1,8 +0,0 @@
-#!/usr/bin/env bash
-
-set -e
-
-
-gcloud auth activate-service-account --key-file "${GCE_SA_CREDS}"
-gcloud config set project $GCE_PROJECT_ID
-gcloud config set compute/zone $GCE_ZONE

hack/e2e-gce/install_gcloud.sh

@@ -1,9 +0,0 @@
-#!/usr/bin/env bash
-
-set -e
-
-wget https://dl.google.com/dl/cloudsdk/channels/rapid/downloads/google-cloud-sdk-176.0.0-linux-x86_64.tar.gz
-
-tar -xvzf google-cloud-sdk-176.0.0-linux-x86_64.tar.gz
-
-./google-cloud-sdk/install.sh -q

hack/e2e-gce/kubeadm_preinstall.sh

@@ -1,11 +0,0 @@
-apt-get update
-apt-get install -y docker.io
-
-apt-get update && apt-get install -y apt-transport-https
-curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -
-cat <<EOF >/etc/apt/sources.list.d/kubernetes.list
-deb http://apt.kubernetes.io/ kubernetes-xenial main
-EOF
-apt-get update
-apt-get install -y kubelet kubeadm kubectl
-exit 0

hack/kind_config.yaml

@@ -1,6 +0,0 @@
-kind: Cluster
-apiVersion: kind.sigs.k8s.io/v1alpha3
-nodes:
-- role: control-plane
-- role: worker
-- role: worker

hack/lib/init.sh

@@ -1,47 +0,0 @@
-#!/bin/bash
-
-# Copyright 2014 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.
-
-set -o errexit
-set -o nounset
-set -o pipefail
-
-
-# os::util::absolute_path returns the absolute path to the directory provided
-function os::util::absolute_path() {
-        local relative_path="$1"
-        local absolute_path
-
-        pushd "${relative_path}" >/dev/null
-        relative_path="$( pwd )"
-        if [[ -h "${relative_path}" ]]; then
-                absolute_path="$( readlink "${relative_path}" )"
-        else
-                absolute_path="${relative_path}"
-        fi
-        popd >/dev/null
-
-        echo "${absolute_path}"
-}
-readonly -f os::util::absolute_path
-
-# find the absolute path to the root of the Origin source tree
-init_source="$( dirname "${BASH_SOURCE}" )/../.."
-OS_ROOT="$( os::util::absolute_path "${init_source}" )"
-export OS_ROOT
-cd "${OS_ROOT}"
-
-PRJ_PREFIX="sigs.k8s.io/descheduler"
-OS_OUTPUT_BINPATH="${OS_ROOT}/_output/bin"

hack/update-generated-conversions.sh

@@ -1,9 +0,0 @@
-#!/bin/bash
-source "$(dirname "${BASH_SOURCE}")/lib/init.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" \
-		--output-file-base zz_generated.conversion

hack/update-generated-deep-copies.sh

@@ -1,10 +0,0 @@
-#!/bin/bash
-source "$(dirname "${BASH_SOURCE}")/lib/init.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" \
-                --output-file-base zz_generated.deepcopy
-

hack/update-generated-defaulters.sh

@@ -1,10 +0,0 @@
-#!/bin/bash
-source "$(dirname "${BASH_SOURCE}")/lib/init.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" \
-		--extra-peer-dirs "${PRJ_PREFIX}/pkg/apis/componentconfig/v1alpha1,${PRJ_PREFIX}/pkg/api/v1alpha1" \
-                --output-file-base zz_generated.defaults

hack/update-gofmt.sh

@@ -1,49 +0,0 @@
-#!/bin/bash
-
-# 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.
-
-
-set -o errexit
-set -o nounset
-set -o pipefail
-
-DESCHEDULER_ROOT=$(dirname "${BASH_SOURCE}")/..
-
-GO_VERSION=($(go version))
-
-if [[ -z $(echo "${GO_VERSION[2]}" | grep -E 'go1.2|go1.3|go1.4|go1.5|go1.6|go1.7|go1.8|go1.9|go1.10|go1.11|go1.12|go1.13') ]]; then
-  echo "Unknown go version '${GO_VERSION[2]}', skipping gofmt."
-  exit 1
-fi
-
-cd "${DESCHEDULER_ROOT}"
-
-find_files() {
-  find . -not \( \
-      \( \
-        -wholename './output' \
-        -o -wholename './_output' \
-        -o -wholename './release' \
-        -o -wholename './target' \
-        -o -wholename './.git' \
-        -o -wholename '*/third_party/*' \
-        -o -wholename '*/Godeps/*' \
-        -o -wholename '*/vendor/*' \
-      \) -prune \
-    \) -name '*.go'
-}
-
-GOFMT="gofmt -s -w"
-find_files | xargs $GOFMT -l

hack/update-vendor.sh

@@ -1,21 +0,0 @@
-#!/bin/bash
-
-# Copyright 2020 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.
-
-
-source "$(dirname "${BASH_SOURCE}")/lib/init.sh"
-
-go mod tidy
-go mod vendor

hack/verify-gofmt.sh

@@ -1,54 +0,0 @@
-#!/bin/bash
-
-# 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.
-
-
-set -o errexit
-set -o nounset
-set -o pipefail
-
-DESCHEDULER_ROOT=$(dirname "${BASH_SOURCE}")/..
-
-GO_VERSION=($(go version))
-
-if [[ -z $(echo "${GO_VERSION[2]}" | grep -E 'go1.2|go1.3|go1.4|go1.5|go1.6|go1.7|go1.8|go1.9|go1.10|go1.11|go1.12|go1.13') ]]; then
-  echo "Unknown go version '${GO_VERSION[2]}', skipping gofmt."
-  exit 1
-fi
-
-cd "${DESCHEDULER_ROOT}"
-
-find_files() {
-  find . -not \( \
-      \( \
-        -wholename './output' \
-        -o -wholename './_output' \
-        -o -wholename './release' \
-        -o -wholename './target' \
-        -o -wholename './.git' \
-        -o -wholename '*/third_party/*' \
-        -o -wholename '*/Godeps/*' \
-        -o -wholename '*/vendor/*' \
-      \) -prune \
-    \) -name '*.go'
-}
-
-GOFMT="gofmt -s"
-bad_files=$(find_files | xargs $GOFMT -l)
-if [[ -n "${bad_files}" ]]; then
-  echo "!!! '$GOFMT' needs to be run on the following files: "
-  echo "${bad_files}"
-  exit 1
-fi

hack/verify-vendor.sh

@@ -1,88 +0,0 @@
-#!/bin/bash
-
-# Copyright 2020 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.
-
-# This is mostly copied from the hack/verify-vendor.sh script located in k8s.io/kubernetes
-
-set -o errexit
-set -o nounset
-set -o pipefail
-
-source "$(dirname "${BASH_SOURCE}")/lib/init.sh"
-
-DESCHEDULER_ROOT=$(dirname "${BASH_SOURCE}")/..
-
-mkdir -p "${DESCHEDULER_ROOT}/_tmp"
-_tmpdir="$(mktemp -d "${DESCHEDULER_ROOT}/_tmp/kube-vendor.XXXXXX")"
-
-if [[ -z ${KEEP_TMP:-} ]]; then
-    KEEP_TMP=false
-fi
-
-function cleanup {
-  # make go module dirs writeable
-  chmod -R +w "${_tmpdir}"
-  if [ "${KEEP_TMP}" == "true" ]; then
-    echo "Leaving ${_tmpdir} for you to examine or copy. Please delete it manually when finished. (rm -rf ${_tmpdir})"
-  else
-    echo "Removing ${_tmpdir}"
-    rm -rf "${_tmpdir}"
-  fi
-}
-trap "cleanup" EXIT
-
-_deschedulertmp="${_tmpdir}"
-mkdir -p "${_deschedulertmp}"
-
-git archive --format=tar --prefix=descheduler/ "$(git write-tree)" | (cd "${_deschedulertmp}" && tar xf -)
-_deschedulertmp="${_deschedulertmp}/descheduler"
-
-pushd "${_deschedulertmp}" > /dev/null 2>&1
-  # Destroy deps in the copy of the kube tree
-  rm -rf ./vendor
-
-  # Recreate the vendor tree using the nice clean set we just downloaded
-  hack/update-vendor.sh
-popd > /dev/null 2>&1
-
-ret=0
-
-pushd "${DESCHEDULER_ROOT}" > /dev/null 2>&1
-  # Test for diffs
-  if ! _out="$(diff -Naupr --ignore-matching-lines='^\s*\"GoVersion\":' go.mod "${_deschedulertmp}/go.mod")"; then
-    echo "Your go.mod file is different:" >&2
-    echo "${_out}" >&2
-    echo "Vendor Verify failed." >&2
-    echo "If you're seeing this locally, run the below command to fix your go.mod:" >&2
-    echo "hack/update-vendor.sh" >&2
-    ret=1
-  fi
-
-  if ! _out="$(diff -Naupr -x "BUILD" -x "AUTHORS*" -x "CONTRIBUTORS*" vendor "${_deschedulertmp}/vendor")"; then
-    echo "Your vendored results are different:" >&2
-    echo "${_out}" >&2
-    echo "Vendor Verify failed." >&2
-    echo "${_out}" > vendordiff.patch
-    echo "If you're seeing this locally, run the below command to fix your directories:" >&2
-    echo "hack/update-vendor.sh" >&2
-    ret=1
-  fi
-popd > /dev/null 2>&1
-
-if [[ ${ret} -gt 0 ]]; then
-  exit ${ret}
-fi
-
-echo "Vendor Verified."

index.yaml

@@ -0,0 +1,762 @@
+apiVersion: v1
+entries:
+  descheduler:
+  - apiVersion: v1
+    appVersion: 0.34.0
+    created: "2025-10-30T16:41:34.519386946Z"
+    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.
+    digest: 0fb91a600418400c8581eae65adab602ff2589104540306e5c6936a50fdd5bd6
+    home: https://github.com/kubernetes-sigs/descheduler
+    icon: https://kubernetes.io/images/favicon.png
+    keywords:
+    - kubernetes
+    - descheduler
+    - kube-scheduler
+    maintainers:
+    - email: sig-scheduling@kubernetes.io
+      name: Kubernetes SIG Scheduling
+    name: descheduler
+    sources:
+    - https://github.com/kubernetes-sigs/descheduler
+    urls:
+    - https://github.com/kubernetes-sigs/descheduler/releases/download/descheduler-helm-chart-0.34.0/descheduler-0.34.0.tgz
+    version: 0.34.0
+  - apiVersion: v1
+    appVersion: 0.33.0
+    created: "2025-05-04T19:49:46.589102937Z"
+    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.
+    digest: 1f32da32dedc6c066f197637e1fbd10546e9c6987322b88e71add1c9765c978f
+    home: https://github.com/kubernetes-sigs/descheduler
+    icon: https://kubernetes.io/images/favicon.png
+    keywords:
+    - kubernetes
+    - descheduler
+    - kube-scheduler
+    maintainers:
+    - email: sig-scheduling@kubernetes.io
+      name: Kubernetes SIG Scheduling
+    name: descheduler
+    sources:
+    - https://github.com/kubernetes-sigs/descheduler
+    urls:
+    - https://github.com/kubernetes-sigs/descheduler/releases/download/descheduler-helm-chart-0.33.0/descheduler-0.33.0.tgz
+    version: 0.33.0
+  - apiVersion: v1
+    appVersion: 0.32.2
+    created: "2025-02-11T04:46:21.248724497Z"
+    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.
+    digest: 011205c924597543fe93bf6ce66d75a33bc6a7d1a029eedd4c0390a16e57e264
+    home: https://github.com/kubernetes-sigs/descheduler
+    icon: https://kubernetes.io/images/favicon.png
+    keywords:
+    - kubernetes
+    - descheduler
+    - kube-scheduler
+    maintainers:
+    - email: kubernetes-sig-scheduling@googlegroups.com
+      name: Kubernetes SIG Scheduling
+    name: descheduler
+    sources:
+    - https://github.com/kubernetes-sigs/descheduler
+    urls:
+    - https://github.com/kubernetes-sigs/descheduler/releases/download/descheduler-helm-chart-0.32.2/descheduler-0.32.2.tgz
+    version: 0.32.2
+  - apiVersion: v1
+    appVersion: 0.32.1
+    created: "2025-01-06T23:08:49.134597641Z"
+    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.
+    digest: e104f5e14b8ef7f5166912e1e9a61785977f5f17ca95c43e744d0685528f8436
+    home: https://github.com/kubernetes-sigs/descheduler
+    icon: https://kubernetes.io/images/favicon.png
+    keywords:
+    - kubernetes
+    - descheduler
+    - kube-scheduler
+    maintainers:
+    - email: kubernetes-sig-scheduling@googlegroups.com
+      name: Kubernetes SIG Scheduling
+    name: descheduler
+    sources:
+    - https://github.com/kubernetes-sigs/descheduler
+    urls:
+    - https://github.com/kubernetes-sigs/descheduler/releases/download/descheduler-helm-chart-0.32.1/descheduler-0.32.1.tgz
+    version: 0.32.1
+  - apiVersion: v1
+    appVersion: 0.32.0
+    created: "2025-01-02T23:34:02.843431016Z"
+    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.
+    digest: 4ca12ecc4916ae1c47ae9b03571e371766e6b6846cc1821299bbd2da75042bb3
+    home: https://github.com/kubernetes-sigs/descheduler
+    icon: https://kubernetes.io/images/favicon.png
+    keywords:
+    - kubernetes
+    - descheduler
+    - kube-scheduler
+    maintainers:
+    - email: kubernetes-sig-scheduling@googlegroups.com
+      name: Kubernetes SIG Scheduling
+    name: descheduler
+    sources:
+    - https://github.com/kubernetes-sigs/descheduler
+    urls:
+    - https://github.com/kubernetes-sigs/descheduler/releases/download/descheduler-helm-chart-0.32.0/descheduler-0.32.0.tgz
+    version: 0.32.0
+  - apiVersion: v1
+    appVersion: 0.31.0
+    created: "2024-09-09T22:59:21.130329884Z"
+    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.
+    digest: 7e9d95713e2384b0976e6ea89742550c83c9adf52005e9c0cc9da3f04477d530
+    home: https://github.com/kubernetes-sigs/descheduler
+    icon: https://kubernetes.io/images/favicon.png
+    keywords:
+    - kubernetes
+    - descheduler
+    - kube-scheduler
+    maintainers:
+    - email: kubernetes-sig-scheduling@googlegroups.com
+      name: Kubernetes SIG Scheduling
+    name: descheduler
+    sources:
+    - https://github.com/kubernetes-sigs/descheduler
+    urls:
+    - https://github.com/kubernetes-sigs/descheduler/releases/download/descheduler-helm-chart-0.31.0/descheduler-0.31.0.tgz
+    version: 0.31.0
+  - apiVersion: v1
+    appVersion: 0.30.2
+    created: "2024-11-20T15:09:49.215945303Z"
+    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.
+    digest: 7608d3966b7d1fc08fe31cdffc283dc2a4d7a473fe63efa1672a5926b81774c2
+    home: https://github.com/kubernetes-sigs/descheduler
+    icon: https://kubernetes.io/images/favicon.png
+    keywords:
+    - kubernetes
+    - descheduler
+    - kube-scheduler
+    maintainers:
+    - email: kubernetes-sig-scheduling@googlegroups.com
+      name: Kubernetes SIG Scheduling
+    name: descheduler
+    sources:
+    - https://github.com/kubernetes-sigs/descheduler
+    urls:
+    - https://github.com/kubernetes-sigs/descheduler/releases/download/descheduler-helm-chart-0.30.2/descheduler-0.30.2.tgz
+    version: 0.30.2
+  - apiVersion: v1
+    appVersion: 0.30.1
+    created: "2024-06-05T12:06:23.870221344Z"
+    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.
+    digest: 8ab41d27011119ff62abfb86fa9253d66a1c74b7247d32c5786a96d3fd11abd2
+    home: https://github.com/kubernetes-sigs/descheduler
+    icon: https://kubernetes.io/images/favicon.png
+    keywords:
+    - kubernetes
+    - descheduler
+    - kube-scheduler
+    maintainers:
+    - email: kubernetes-sig-scheduling@googlegroups.com
+      name: Kubernetes SIG Scheduling
+    name: descheduler
+    sources:
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+    sources:
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+    sources:
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+    description: Descheduler for Kubernetes is used to rebalance clusters by evicting
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+    sources:
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+    description: Descheduler for Kubernetes is used to rebalance clusters by evicting
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+    sources:
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+    sources:
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+    sources:
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+    sources:
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+    sources:
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+    description: Descheduler for Kubernetes is used to rebalance clusters by evicting
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+    maintainers:
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+    sources:
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+    description: Descheduler for Kubernetes is used to rebalance clusters by evicting
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+    maintainers:
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+    sources:
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+    description: Descheduler for Kubernetes is used to rebalance clusters by evicting
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+    sources:
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+    description: Descheduler for Kubernetes is used to rebalance clusters by evicting
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+    maintainers:
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+    sources:
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+    description: Descheduler for Kubernetes is used to rebalance clusters by evicting
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+    maintainers:
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+    sources:
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+    description: Descheduler for Kubernetes is used to rebalance clusters by evicting
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+    maintainers:
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+    sources:
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+    description: Descheduler for Kubernetes is used to rebalance clusters by evicting
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+    description: Descheduler for Kubernetes is used to rebalance clusters by evicting
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+    maintainers:
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+    maintainers:
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+    maintainers:
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+    - https://github.com/kubernetes-sigs/descheduler
+    urls:
+    - https://github.com/kubernetes-sigs/descheduler/releases/download/descheduler-helm-chart-0.18.2/descheduler-0.18.2.tgz
+    version: 0.18.2
+  descheduler-helm-chart:
+  - apiVersion: v1
+    appVersion: 0.19.0
+    created: "2020-12-08T19:22:08.294224978Z"
+    deprecated: true
+    description: DEPRECATED - 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.
+    digest: b77ac9bb15ec71f7006d7d4faefffbb29b0cbcdabbef6389c858690beb12e529
+    home: https://github.com/kubernetes-sigs/descheduler
+    icon: https://kubernetes.io/images/favicon.png
+    keywords:
+    - kubernetes
+    - descheduler
+    - kube-scheduler
+    name: descheduler-helm-chart
+    sources:
+    - https://github.com/kubernetes-sigs/descheduler
+    urls:
+    - https://github.com/kubernetes-sigs/descheduler/releases/download/descheduler-helm-chart-0.19.1/descheduler-helm-chart-0.19.1.tgz
+    version: 0.19.1
+  - apiVersion: v1
+    appVersion: 0.19.0
+    created: "2020-09-01T16:59:22.515242595Z"
+    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.
+    digest: dc70fc1ac8b57872e54c3406000617d4cbd0b2a9653abf0054c345c471b4be1c
+    home: https://github.com/kubernetes-sigs/descheduler
+    icon: https://kubernetes.io/images/favicon.png
+    keywords:
+    - kubernetes
+    - descheduler
+    - kube-scheduler
+    maintainers:
+    - email: kubernetes-sig-scheduling@googlegroups.com
+      name: Kubernetes SIG Scheduling
+    name: descheduler-helm-chart
+    sources:
+    - https://github.com/kubernetes-sigs/descheduler
+    urls:
+    - https://github.com/kubernetes-sigs/descheduler/releases/download/descheduler-helm-chart-0.19.0/descheduler-helm-chart-0.19.0.tgz
+    version: 0.19.0
+  - apiVersion: v1
+    appVersion: 0.18.0
+    created: "2020-07-23T18:29:32.622241657Z"
+    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.
+    digest: d2a7516d4b2bbd288d5016b935d1a0ce4db9cc40c4f8a6981fe5075d71f4bcda
+    home: https://github.com/kubernetes-sigs/descheduler
+    icon: https://kubernetes.io/images/favicon.png
+    keywords:
+    - kubernetes
+    - descheduler
+    - kube-scheduler
+    maintainers:
+    - email: steve.hipwell@github.com
+      name: stevehipwell
+    name: descheduler-helm-chart
+    sources:
+    - https://github.com/kubernetes-sigs/descheduler
+    urls:
+    - https://github.com/kubernetes-sigs/descheduler/releases/download/descheduler-helm-chart-0.18.1/descheduler-helm-chart-0.18.1.tgz
+    version: 0.18.1
+generated: "2025-10-30T16:41:34.519616538Z"

kubernetes/configmap.yaml

@@ -1,28 +0,0 @@
----
-apiVersion: v1
-kind: ConfigMap
-metadata:
-  name: descheduler-policy-configmap
-  namespace: kube-system
-data:
-  policy.yaml: |
-    apiVersion: "descheduler/v1alpha1"
-    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
-

kubernetes/cronjob.yaml

@@ -1,35 +0,0 @@
----
-apiVersion: batch/v1beta1
-kind: CronJob
-metadata:
-  name: descheduler-cronjob
-  namespace: kube-system
-spec:
-  schedule: "*/2 * * * *"
-  concurrencyPolicy: "Forbid"
-  jobTemplate:
-    spec:
-      template:
-        metadata:
-          name: descheduler-pod
-        spec:
-          priorityClassName: system-cluster-critical
-          containers:
-          - name: descheduler
-            image: us.gcr.io/k8s-artifacts-prod/descheduler/descheduler:v0.10.0
-            volumeMounts:
-            - mountPath: /policy-dir
-              name: policy-volume
-            command:
-              - "/bin/descheduler"
-            args:
-              - "--policy-config-file"
-              - "/policy-dir/policy.yaml"
-              - "--v"
-              - "3"
-          restartPolicy: "Never"
-          serviceAccountName: descheduler-sa
-          volumes:
-          - name: policy-volume
-            configMap:
-              name: descheduler-policy-configmap

kubernetes/job.yaml

@@ -1,33 +0,0 @@
----
-apiVersion: batch/v1
-kind: Job
-metadata:
-  name: descheduler-job
-  namespace: kube-system
-spec:
-  parallelism: 1
-  completions: 1
-  template:
-    metadata:
-      name: descheduler-pod
-    spec:
-      priorityClassName: system-cluster-critical
-      containers:
-        - name: descheduler
-          image: us.gcr.io/k8s-artifacts-prod/descheduler/descheduler:v0.10.0
-          volumeMounts:
-          - mountPath: /policy-dir
-            name: policy-volume
-          command:
-            - "/bin/descheduler"
-          args:
-            - "--policy-config-file"
-            - "/policy-dir/policy.yaml"
-            - "--v"
-            - "3"
-      restartPolicy: "Never"
-      serviceAccountName: descheduler-sa
-      volumes:
-      - name: policy-volume
-        configMap:
-          name: descheduler-policy-configmap

kubernetes/rbac.yaml

@@ -1,40 +0,0 @@
----
-kind: ClusterRole
-apiVersion: rbac.authorization.k8s.io/v1
-metadata:
-  name: descheduler-cluster-role
-  namespace: kube-system
-rules:
-- apiGroups: [""]
-  resources: ["events"]
-  verbs: ["create", "update"]
-- apiGroups: [""]
-  resources: ["nodes"]
-  verbs: ["get", "watch", "list"]
-- apiGroups: [""]
-  resources: ["pods"]
-  verbs: ["get", "watch", "list", "delete"]
-- apiGroups: [""]
-  resources: ["pods/eviction"]
-  verbs: ["create"]
----
-apiVersion: v1
-kind: ServiceAccount
-metadata:
-  name: descheduler-sa
-  namespace: kube-system
----
-apiVersion: rbac.authorization.k8s.io/v1
-kind: ClusterRoleBinding
-metadata:
-  name: descheduler-cluster-role-binding
-  namespace: kube-system
-roleRef:
-  apiGroup: rbac.authorization.k8s.io
-  kind: ClusterRole
-  name: descheduler-cluster-role
-subjects:
-  - name: descheduler-sa
-    kind: ServiceAccount
-    namespace: kube-system
-

pkg/api/doc.go

@@ -1,19 +0,0 @@
-/*
-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.
-*/
-
-// +k8s:deepcopy-gen=package,register
-
-package api // import "sigs.k8s.io/descheduler/pkg/api"

pkg/api/register.go

@@ -1,59 +0,0 @@
-/*
-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 (
-	"k8s.io/apimachinery/pkg/runtime"
-	"k8s.io/apimachinery/pkg/runtime/schema"
-
-	"sigs.k8s.io/descheduler/pkg/descheduler/scheme"
-)
-
-var (
-	SchemeBuilder = runtime.NewSchemeBuilder(addKnownTypes)
-	AddToScheme   = SchemeBuilder.AddToScheme
-	Scheme        = runtime.NewScheme()
-)
-
-// GroupName is the group name use in this package
-const GroupName = "descheduler"
-
-// SchemeGroupVersion is group version used to register these objects
-var SchemeGroupVersion = schema.GroupVersion{Group: GroupName, Version: runtime.APIVersionInternal}
-
-func init() {
-	if err := addKnownTypes(scheme.Scheme); err != nil {
-		panic(err)
-	}
-}
-
-// Kind takes an unqualified kind and returns a Group qualified GroupKind
-func Kind(kind string) schema.GroupKind {
-	return SchemeGroupVersion.WithKind(kind).GroupKind()
-}
-
-// Resource takes an unqualified resource and returns a Group qualified GroupResource
-func Resource(resource string) schema.GroupResource {
-	return SchemeGroupVersion.WithResource(resource).GroupResource()
-}
-
-func addKnownTypes(scheme *runtime.Scheme) error {
-	scheme.AddKnownTypes(SchemeGroupVersion,
-		&DeschedulerPolicy{},
-	)
-	return nil
-}

pkg/api/types.go

@@ -1,67 +0,0 @@
-/*
-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 (
-	v1 "k8s.io/api/core/v1"
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-)
-
-// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
-
-type DeschedulerPolicy struct {
-	metav1.TypeMeta
-
-	// Strategies
-	Strategies StrategyList
-}
-
-type StrategyName string
-type StrategyList map[StrategyName]DeschedulerStrategy
-
-type DeschedulerStrategy struct {
-	// Enabled or disabled
-	Enabled bool
-
-	// Weight
-	Weight int
-
-	// Strategy parameters
-	Params StrategyParameters
-}
-
-// Only one of its members may be specified
-type StrategyParameters struct {
-	NodeResourceUtilizationThresholds *NodeResourceUtilizationThresholds
-	NodeAffinityType                  []string
-	PodsHavingTooManyRestarts         *PodsHavingTooManyRestarts
-	MaxPodLifeTimeSeconds             *uint
-}
-
-type Percentage float64
-type ResourceThresholds map[v1.ResourceName]Percentage
-
-type NodeResourceUtilizationThresholds struct {
-	Thresholds       ResourceThresholds
-	TargetThresholds ResourceThresholds
-	NumberOfNodes    int
-}
-
-type PodsHavingTooManyRestarts struct {
-	PodRestartThreshold     int32
-	IncludingInitContainers bool
-}

pkg/api/v1alpha1/defaults.go

@@ -1,23 +0,0 @@
-/*
-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 v1alpha1
-
-import "k8s.io/apimachinery/pkg/runtime"
-
-func addDefaultingFuncs(scheme *runtime.Scheme) error {
-	return RegisterDefaults(scheme)
-}

pkg/api/v1alpha1/doc.go

@@ -1,24 +0,0 @@
-/*
-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.
-*/
-
-// +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
-// +groupName=descheduler
-
-package v1alpha1 // import "sigs.k8s.io/descheduler/pkg/api/v1alpha1"

pkg/api/v1alpha1/register.go

@@ -1,61 +0,0 @@
-/*
-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 v1alpha1
-
-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"
-const GroupVersion = "v1alpha1"
-
-// 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/v1alpha1/types.go

@@ -1,67 +0,0 @@
-/*
-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 v1alpha1
-
-import (
-	v1 "k8s.io/api/core/v1"
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-)
-
-// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
-
-type DeschedulerPolicy struct {
-	metav1.TypeMeta `json:",inline"`
-
-	// Strategies
-	Strategies StrategyList `json:"strategies,omitempty"`
-}
-
-type StrategyName string
-type StrategyList map[StrategyName]DeschedulerStrategy
-
-type DeschedulerStrategy struct {
-	// Enabled or disabled
-	Enabled bool `json:"enabled,omitempty"`
-
-	// Weight
-	Weight int `json:"weight,omitempty"`
-
-	// Strategy parameters
-	Params StrategyParameters `json:"params,omitempty"`
-}
-
-// Only one of its members may be specified
-type StrategyParameters struct {
-	NodeResourceUtilizationThresholds *NodeResourceUtilizationThresholds `json:"nodeResourceUtilizationThresholds,omitempty"`
-	NodeAffinityType                  []string                           `json:"nodeAffinityType,omitempty"`
-	PodsHavingTooManyRestarts         *PodsHavingTooManyRestarts         `json:"podsHavingTooManyRestarts,omitempty"`
-	MaxPodLifeTimeSeconds             *uint                              `json:"maxPodLifeTimeSeconds,omitempty"`
-}
-
-type Percentage float64
-type ResourceThresholds map[v1.ResourceName]Percentage
-
-type NodeResourceUtilizationThresholds struct {
-	Thresholds       ResourceThresholds `json:"thresholds,omitempty"`
-	TargetThresholds ResourceThresholds `json:"targetThresholds,omitempty"`
-	NumberOfNodes    int                `json:"numberOfNodes,omitempty"`
-}
-
-type PodsHavingTooManyRestarts struct {
-	PodRestartThreshold     int32 `json:"podRestartThreshold,omitempty"`
-	IncludingInitContainers bool  `json:"includingInitContainers,omitempty"`
-}

pkg/api/v1alpha1/zz_generated.conversion.go

@@ -1,209 +0,0 @@
-// +build !ignore_autogenerated
-
-/*
-Copyright 2020 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"
-
-	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((*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((*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((*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))
-	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))
-	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
-	if err := Convert_v1alpha1_StrategyParameters_To_api_StrategyParameters(&in.Params, &out.Params, s); err != nil {
-		return err
-	}
-	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
-	if err := Convert_api_StrategyParameters_To_v1alpha1_StrategyParameters(&in.Params, &out.Params, s); err != nil {
-		return err
-	}
-	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_NodeResourceUtilizationThresholds_To_api_NodeResourceUtilizationThresholds(in *NodeResourceUtilizationThresholds, out *api.NodeResourceUtilizationThresholds, s conversion.Scope) error {
-	out.Thresholds = *(*api.ResourceThresholds)(unsafe.Pointer(&in.Thresholds))
-	out.TargetThresholds = *(*api.ResourceThresholds)(unsafe.Pointer(&in.TargetThresholds))
-	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.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_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_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.MaxPodLifeTimeSeconds = (*uint)(unsafe.Pointer(in.MaxPodLifeTimeSeconds))
-	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.MaxPodLifeTimeSeconds = (*uint)(unsafe.Pointer(in.MaxPodLifeTimeSeconds))
-	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

@@ -1,200 +0,0 @@
-// +build !ignore_autogenerated
-
-/*
-Copyright 2020 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 v1alpha1
-
-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.Strategies != nil {
-		in, out := &in.Strategies, &out.Strategies
-		*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 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 *DeschedulerStrategy) DeepCopyInto(out *DeschedulerStrategy) {
-	*out = *in
-	in.Params.DeepCopyInto(&out.Params)
-	return
-}
-
-// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new DeschedulerStrategy.
-func (in *DeschedulerStrategy) DeepCopy() *DeschedulerStrategy {
-	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 *NodeResourceUtilizationThresholds) DeepCopyInto(out *NodeResourceUtilizationThresholds) {
-	*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
-		}
-	}
-	return
-}
-
-// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new NodeResourceUtilizationThresholds.
-func (in *NodeResourceUtilizationThresholds) DeepCopy() *NodeResourceUtilizationThresholds {
-	if in == nil {
-		return nil
-	}
-	out := new(NodeResourceUtilizationThresholds)
-	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) {
-	*out = *in
-	return
-}
-
-// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new PodsHavingTooManyRestarts.
-func (in *PodsHavingTooManyRestarts) DeepCopy() *PodsHavingTooManyRestarts {
-	if in == nil {
-		return nil
-	}
-	out := new(PodsHavingTooManyRestarts)
-	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) {
-	{
-		in := &in
-		*out = make(ResourceThresholds, len(*in))
-		for key, val := range *in {
-			(*out)[key] = val
-		}
-		return
-	}
-}
-
-// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ResourceThresholds.
-func (in ResourceThresholds) DeepCopy() ResourceThresholds {
-	if in == nil {
-		return nil
-	}
-	out := new(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.MaxPodLifeTimeSeconds != nil {
-		in, out := &in.MaxPodLifeTimeSeconds, &out.MaxPodLifeTimeSeconds
-		*out = new(uint)
-		**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/api/v1alpha1/zz_generated.defaults.go

@@ -1,32 +0,0 @@
-// +build !ignore_autogenerated
-
-/*
-Copyright 2020 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 v1alpha1
-
-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

@@ -1,200 +0,0 @@
-// +build !ignore_autogenerated
-
-/*
-Copyright 2020 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 api
-
-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.Strategies != nil {
-		in, out := &in.Strategies, &out.Strategies
-		*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 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 *DeschedulerStrategy) DeepCopyInto(out *DeschedulerStrategy) {
-	*out = *in
-	in.Params.DeepCopyInto(&out.Params)
-	return
-}
-
-// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new DeschedulerStrategy.
-func (in *DeschedulerStrategy) DeepCopy() *DeschedulerStrategy {
-	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 *NodeResourceUtilizationThresholds) DeepCopyInto(out *NodeResourceUtilizationThresholds) {
-	*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
-		}
-	}
-	return
-}
-
-// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new NodeResourceUtilizationThresholds.
-func (in *NodeResourceUtilizationThresholds) DeepCopy() *NodeResourceUtilizationThresholds {
-	if in == nil {
-		return nil
-	}
-	out := new(NodeResourceUtilizationThresholds)
-	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) {
-	*out = *in
-	return
-}
-
-// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new PodsHavingTooManyRestarts.
-func (in *PodsHavingTooManyRestarts) DeepCopy() *PodsHavingTooManyRestarts {
-	if in == nil {
-		return nil
-	}
-	out := new(PodsHavingTooManyRestarts)
-	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) {
-	{
-		in := &in
-		*out = make(ResourceThresholds, len(*in))
-		for key, val := range *in {
-			(*out)[key] = val
-		}
-		return
-	}
-}
-
-// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ResourceThresholds.
-func (in ResourceThresholds) DeepCopy() ResourceThresholds {
-	if in == nil {
-		return nil
-	}
-	out := new(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.MaxPodLifeTimeSeconds != nil {
-		in, out := &in.MaxPodLifeTimeSeconds, &out.MaxPodLifeTimeSeconds
-		*out = new(uint)
-		**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/doc.go

@@ -1,19 +0,0 @@
-/*
-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.
-*/
-
-// +k8s:deepcopy-gen=package,register
-
-package componentconfig // import "sigs.k8s.io/descheduler/pkg/apis/componentconfig"

pkg/apis/componentconfig/register.go

@@ -1,58 +0,0 @@
-/*
-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 componentconfig
-
-import (
-	"k8s.io/apimachinery/pkg/runtime"
-	"k8s.io/apimachinery/pkg/runtime/schema"
-
-	"sigs.k8s.io/descheduler/pkg/descheduler/scheme"
-)
-
-var (
-	SchemeBuilder = runtime.NewSchemeBuilder(addKnownTypes)
-	AddToScheme   = SchemeBuilder.AddToScheme
-)
-
-// GroupName is the group name used in this package
-const GroupName = "deschedulercomponentconfig"
-
-// SchemeGroupVersion is group version used to register these objects
-var SchemeGroupVersion = schema.GroupVersion{Group: GroupName, Version: runtime.APIVersionInternal}
-
-func init() {
-	if err := addKnownTypes(scheme.Scheme); err != nil {
-		panic(err)
-	}
-}
-
-// Kind takes an unqualified kind and returns a Group qualified GroupKind
-func Kind(kind string) schema.GroupKind {
-	return SchemeGroupVersion.WithKind(kind).GroupKind()
-}
-
-// Resource takes an unqualified resource and returns a Group qualified GroupResource
-func Resource(resource string) schema.GroupResource {
-	return SchemeGroupVersion.WithResource(resource).GroupResource()
-}
-
-func addKnownTypes(scheme *runtime.Scheme) error {
-	scheme.AddKnownTypes(SchemeGroupVersion,
-		&DeschedulerConfiguration{},
-	)
-	return nil
-}

pkg/apis/componentconfig/types.go

@@ -1,51 +0,0 @@
-/*
-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 componentconfig
-
-import (
-	"time"
-
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-)
-
-// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
-
-type DeschedulerConfiguration struct {
-	metav1.TypeMeta
-
-	// Time interval for descheduler to run
-	DeschedulingInterval time.Duration
-
-	// KubeconfigFile is path to kubeconfig file with authorization and master
-	// location information.
-	KubeconfigFile string
-
-	// PolicyConfigFile is the filepath to the descheduler policy configuration.
-	PolicyConfigFile string
-
-	// Dry run
-	DryRun bool
-
-	// Node selectors
-	NodeSelector string
-
-	// MaxNoOfPodsToEvictPerNode restricts maximum of pods to be evicted per node.
-	MaxNoOfPodsToEvictPerNode int
-
-	// EvictLocalStoragePods allows pods using local storage to be evicted.
-	EvictLocalStoragePods bool
-}

pkg/apis/componentconfig/v1alpha1/defaults.go

@@ -1,23 +0,0 @@
-/*
-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 v1alpha1
-
-import "k8s.io/apimachinery/pkg/runtime"
-
-func addDefaultingFuncs(scheme *runtime.Scheme) error {
-	return RegisterDefaults(scheme)
-}

pkg/apis/componentconfig/v1alpha1/doc.go

@@ -1,24 +0,0 @@
-/*
-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.
-*/
-
-// +k8s:deepcopy-gen=package,register
-// +k8s:conversion-gen=sigs.k8s.io/descheduler/pkg/apis/componentconfig
-// +k8s:defaulter-gen=TypeMeta
-
-// Package v1alpha1 is the v1alpha1 version of the descheduler's componentconfig API
-// +groupName=deschedulercomponentconfig
-
-package v1alpha1 // import "sigs.k8s.io/descheduler/pkg/apis/componentconfig/v1alpha1"

pkg/apis/componentconfig/v1alpha1/register.go

@@ -1,60 +0,0 @@
-/*
-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 v1alpha1
-
-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 use in this package
-const GroupName = "deschedulercomponentconfig"
-const GroupVersion = "v1alpha1"
-
-// 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,
-		&DeschedulerConfiguration{},
-	)
-	return nil
-}

pkg/apis/componentconfig/v1alpha1/types.go

@@ -1,51 +0,0 @@
-/*
-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 v1alpha1
-
-import (
-	"time"
-
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-)
-
-// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
-
-type DeschedulerConfiguration struct {
-	metav1.TypeMeta `json:",inline"`
-
-	// Time interval for descheduler to run
-	DeschedulingInterval time.Duration `json:"deschedulingInterval,omitempty"`
-
-	// KubeconfigFile is path to kubeconfig file with authorization and master
-	// location information.
-	KubeconfigFile string `json:"kubeconfigFile"`
-
-	// PolicyConfigFile is the filepath to the descheduler policy configuration.
-	PolicyConfigFile string `json:"policyConfigFile,omitempty"`
-
-	// Dry run
-	DryRun bool `json:"dryRun,omitempty"`
-
-	// Node selectors
-	NodeSelector string `json:"nodeSelector,omitempty"`
-
-	// MaxNoOfPodsToEvictPerNode restricts maximum of pods to be evicted per node.
-	MaxNoOfPodsToEvictPerNode int `json:"maxNoOfPodsToEvictPerNode,omitempty"`
-
-	// EvictLocalStoragePods allows pods using local storage to be evicted.
-	EvictLocalStoragePods bool `json:"evictLocalStoragePods,omitempty"`
-}

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

@@ -1,81 +0,0 @@
-// +build !ignore_autogenerated
-
-/*
-Copyright 2020 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 (
-	time "time"
-
-	conversion "k8s.io/apimachinery/pkg/conversion"
-	runtime "k8s.io/apimachinery/pkg/runtime"
-	componentconfig "sigs.k8s.io/descheduler/pkg/apis/componentconfig"
-)
-
-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((*DeschedulerConfiguration)(nil), (*componentconfig.DeschedulerConfiguration)(nil), func(a, b interface{}, scope conversion.Scope) error {
-		return Convert_v1alpha1_DeschedulerConfiguration_To_componentconfig_DeschedulerConfiguration(a.(*DeschedulerConfiguration), b.(*componentconfig.DeschedulerConfiguration), scope)
-	}); err != nil {
-		return err
-	}
-	if err := s.AddGeneratedConversionFunc((*componentconfig.DeschedulerConfiguration)(nil), (*DeschedulerConfiguration)(nil), func(a, b interface{}, scope conversion.Scope) error {
-		return Convert_componentconfig_DeschedulerConfiguration_To_v1alpha1_DeschedulerConfiguration(a.(*componentconfig.DeschedulerConfiguration), b.(*DeschedulerConfiguration), scope)
-	}); err != nil {
-		return err
-	}
-	return nil
-}
-
-func autoConvert_v1alpha1_DeschedulerConfiguration_To_componentconfig_DeschedulerConfiguration(in *DeschedulerConfiguration, out *componentconfig.DeschedulerConfiguration, s conversion.Scope) error {
-	out.DeschedulingInterval = time.Duration(in.DeschedulingInterval)
-	out.KubeconfigFile = in.KubeconfigFile
-	out.PolicyConfigFile = in.PolicyConfigFile
-	out.DryRun = in.DryRun
-	out.NodeSelector = in.NodeSelector
-	out.MaxNoOfPodsToEvictPerNode = in.MaxNoOfPodsToEvictPerNode
-	out.EvictLocalStoragePods = in.EvictLocalStoragePods
-	return nil
-}
-
-// Convert_v1alpha1_DeschedulerConfiguration_To_componentconfig_DeschedulerConfiguration is an autogenerated conversion function.
-func Convert_v1alpha1_DeschedulerConfiguration_To_componentconfig_DeschedulerConfiguration(in *DeschedulerConfiguration, out *componentconfig.DeschedulerConfiguration, s conversion.Scope) error {
-	return autoConvert_v1alpha1_DeschedulerConfiguration_To_componentconfig_DeschedulerConfiguration(in, out, s)
-}
-
-func autoConvert_componentconfig_DeschedulerConfiguration_To_v1alpha1_DeschedulerConfiguration(in *componentconfig.DeschedulerConfiguration, out *DeschedulerConfiguration, s conversion.Scope) error {
-	out.DeschedulingInterval = time.Duration(in.DeschedulingInterval)
-	out.KubeconfigFile = in.KubeconfigFile
-	out.PolicyConfigFile = in.PolicyConfigFile
-	out.DryRun = in.DryRun
-	out.NodeSelector = in.NodeSelector
-	out.MaxNoOfPodsToEvictPerNode = in.MaxNoOfPodsToEvictPerNode
-	out.EvictLocalStoragePods = in.EvictLocalStoragePods
-	return nil
-}
-
-// Convert_componentconfig_DeschedulerConfiguration_To_v1alpha1_DeschedulerConfiguration is an autogenerated conversion function.
-func Convert_componentconfig_DeschedulerConfiguration_To_v1alpha1_DeschedulerConfiguration(in *componentconfig.DeschedulerConfiguration, out *DeschedulerConfiguration, s conversion.Scope) error {
-	return autoConvert_componentconfig_DeschedulerConfiguration_To_v1alpha1_DeschedulerConfiguration(in, out, s)
-}

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

@@ -1,50 +0,0 @@
-// +build !ignore_autogenerated
-
-/*
-Copyright 2020 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 v1alpha1
-
-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 *DeschedulerConfiguration) DeepCopyInto(out *DeschedulerConfiguration) {
-	*out = *in
-	out.TypeMeta = in.TypeMeta
-	return
-}
-
-// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new DeschedulerConfiguration.
-func (in *DeschedulerConfiguration) DeepCopy() *DeschedulerConfiguration {
-	if in == nil {
-		return nil
-	}
-	out := new(DeschedulerConfiguration)
-	in.DeepCopyInto(out)
-	return out
-}
-
-// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
-func (in *DeschedulerConfiguration) DeepCopyObject() runtime.Object {
-	if c := in.DeepCopy(); c != nil {
-		return c
-	}
-	return nil
-}

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

@@ -1,32 +0,0 @@
-// +build !ignore_autogenerated
-
-/*
-Copyright 2020 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 v1alpha1
-
-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/apis/componentconfig/zz_generated.deepcopy.go

@@ -1,50 +0,0 @@
-// +build !ignore_autogenerated
-
-/*
-Copyright 2020 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 componentconfig
-
-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 *DeschedulerConfiguration) DeepCopyInto(out *DeschedulerConfiguration) {
-	*out = *in
-	out.TypeMeta = in.TypeMeta
-	return
-}
-
-// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new DeschedulerConfiguration.
-func (in *DeschedulerConfiguration) DeepCopy() *DeschedulerConfiguration {
-	if in == nil {
-		return nil
-	}
-	out := new(DeschedulerConfiguration)
-	in.DeepCopyInto(out)
-	return out
-}
-
-// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
-func (in *DeschedulerConfiguration) DeepCopyObject() runtime.Object {
-	if c := in.DeepCopy(); c != nil {
-		return c
-	}
-	return nil
-}

pkg/descheduler/client/client.go

@@ -1,68 +0,0 @@
-/*
-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 client
-
-import (
-	"fmt"
-
-	clientset "k8s.io/client-go/kubernetes"
-	// 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) (clientset.Interface, error) {
-	var cfg *rest.Config
-	if len(kubeconfig) != 0 {
-		master, err := GetMasterFromKubeconfig(kubeconfig)
-		if err != nil {
-			return nil, fmt.Errorf("Failed to parse kubeconfig file: %v ", err)
-		}
-
-		cfg, err = clientcmd.BuildConfigFromFlags(master, kubeconfig)
-		if err != nil {
-			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 clientset.NewForConfig(cfg)
-}
-
-func GetMasterFromKubeconfig(filename string) (string, error) {
-	config, err := clientcmd.LoadFromFile(filename)
-	if err != nil {
-		return "", err
-	}
-
-	context, ok := config.Contexts[config.CurrentContext]
-	if !ok {
-		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")
-}

pkg/descheduler/descheduler.go

@@ -1,115 +0,0 @@
-/*
-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 (
-	"fmt"
-
-	"k8s.io/api/core/v1"
-	clientset "k8s.io/client-go/kubernetes"
-	"k8s.io/klog"
-
-	"k8s.io/apimachinery/pkg/util/wait"
-	"k8s.io/client-go/informers"
-	"sigs.k8s.io/descheduler/cmd/descheduler/app/options"
-	"sigs.k8s.io/descheduler/pkg/api"
-	"sigs.k8s.io/descheduler/pkg/descheduler/client"
-	"sigs.k8s.io/descheduler/pkg/descheduler/evictions"
-	eutils "sigs.k8s.io/descheduler/pkg/descheduler/evictions/utils"
-	nodeutil "sigs.k8s.io/descheduler/pkg/descheduler/node"
-	"sigs.k8s.io/descheduler/pkg/descheduler/strategies"
-)
-
-func Run(rs *options.DeschedulerServer) error {
-	rsclient, err := client.CreateClient(rs.KubeconfigFile)
-	if err != nil {
-		return err
-	}
-	rs.Client = rsclient
-
-	deschedulerPolicy, err := LoadPolicyConfig(rs.PolicyConfigFile)
-	if err != nil {
-		return err
-	}
-	if deschedulerPolicy == nil {
-		return fmt.Errorf("deschedulerPolicy is nil")
-	}
-
-	evictionPolicyGroupVersion, err := eutils.SupportEviction(rs.Client)
-	if err != nil || len(evictionPolicyGroupVersion) == 0 {
-		return err
-	}
-
-	stopChannel := make(chan struct{})
-	return RunDeschedulerStrategies(rs, deschedulerPolicy, evictionPolicyGroupVersion, stopChannel)
-}
-
-type strategyFunction func(client clientset.Interface, strategy api.DeschedulerStrategy, nodes []*v1.Node, evictLocalStoragePods bool, podEvictor *evictions.PodEvictor)
-
-func RunDeschedulerStrategies(rs *options.DeschedulerServer, deschedulerPolicy *api.DeschedulerPolicy, evictionPolicyGroupVersion string, stopChannel chan struct{}) error {
-	sharedInformerFactory := informers.NewSharedInformerFactory(rs.Client, 0)
-	nodeInformer := sharedInformerFactory.Core().V1().Nodes()
-
-	sharedInformerFactory.Start(stopChannel)
-	sharedInformerFactory.WaitForCacheSync(stopChannel)
-
-	strategyFuncs := map[string]strategyFunction{
-		"RemoveDuplicates":                        strategies.RemoveDuplicatePods,
-		"LowNodeUtilization":                      strategies.LowNodeUtilization,
-		"RemovePodsViolatingInterPodAntiAffinity": strategies.RemovePodsViolatingInterPodAntiAffinity,
-		"RemovePodsViolatingNodeAffinity":         strategies.RemovePodsViolatingNodeAffinity,
-		"RemovePodsViolatingNodeTaints":           strategies.RemovePodsViolatingNodeTaints,
-		"RemovePodsHavingTooManyRestarts":         strategies.RemovePodsHavingTooManyRestarts,
-		"PodLifeTime":                             strategies.PodLifeTime,
-	}
-
-	wait.Until(func() {
-		nodes, err := nodeutil.ReadyNodes(rs.Client, nodeInformer, rs.NodeSelector, stopChannel)
-		if err != nil {
-			klog.V(1).Infof("Unable to get ready nodes: %v", err)
-			close(stopChannel)
-			return
-		}
-
-		if len(nodes) <= 1 {
-			klog.V(1).Infof("The cluster size is 0 or 1 meaning eviction causes service disruption or degradation. So aborting..")
-			close(stopChannel)
-			return
-		}
-
-		podEvictor := evictions.NewPodEvictor(
-			rs.Client,
-			evictionPolicyGroupVersion,
-			rs.DryRun,
-			rs.MaxNoOfPodsToEvictPerNode,
-			nodes,
-		)
-
-		for name, f := range strategyFuncs {
-			if strategy := deschedulerPolicy.Strategies[api.StrategyName(name)]; strategy.Enabled {
-				f(rs.Client, strategy, nodes, rs.EvictLocalStoragePods, podEvictor)
-			}
-		}
-
-		// If there was no interval specified, send a signal to the stopChannel to end the wait.Until loop after 1 iteration
-		if rs.DeschedulingInterval.Seconds() == 0 {
-			close(stopChannel)
-		}
-	}, rs.DeschedulingInterval, stopChannel)
-
-	return nil
-}

pkg/descheduler/descheduler_test.go

@@ -1,92 +0,0 @@
-package descheduler
-
-import (
-	"fmt"
-	"strings"
-	"testing"
-	"time"
-
-	"k8s.io/api/core/v1"
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	"k8s.io/apimachinery/pkg/util/wait"
-	fakeclientset "k8s.io/client-go/kubernetes/fake"
-	"sigs.k8s.io/descheduler/cmd/descheduler/app/options"
-	"sigs.k8s.io/descheduler/pkg/api"
-	"sigs.k8s.io/descheduler/test"
-)
-
-func TestTaintsUpdated(t *testing.T) {
-	n1 := test.BuildTestNode("n1", 2000, 3000, 10, nil)
-	n2 := test.BuildTestNode("n2", 2000, 3000, 10, nil)
-
-	p1 := test.BuildTestPod(fmt.Sprintf("pod_1_%s", n1.Name), 200, 0, n1.Name, nil)
-	p1.ObjectMeta.OwnerReferences = []metav1.OwnerReference{
-		{},
-	}
-
-	client := fakeclientset.NewSimpleClientset(n1, n2, p1)
-	dp := &api.DeschedulerPolicy{
-		Strategies: api.StrategyList{
-			"RemovePodsViolatingNodeTaints": api.DeschedulerStrategy{
-				Enabled: true,
-			},
-		},
-	}
-
-	stopChannel := make(chan struct{})
-	defer close(stopChannel)
-
-	rs := options.NewDeschedulerServer()
-	rs.Client = client
-	rs.DeschedulingInterval = 100 * time.Millisecond
-	go func() {
-		err := RunDeschedulerStrategies(rs, dp, "v1beta1", stopChannel)
-		if err != nil {
-			t.Fatalf("Unable to run descheduler strategies: %v", err)
-		}
-	}()
-
-	// Wait for few cycles and then verify the only pod still exists
-	time.Sleep(300 * time.Millisecond)
-	pods, err := client.CoreV1().Pods(p1.Namespace).List(metav1.ListOptions{})
-	if err != nil {
-		t.Errorf("Unable to list pods: %v", err)
-	}
-	if len(pods.Items) < 1 {
-		t.Errorf("The pod was evicted before a node was tained")
-	}
-
-	n1WithTaint := n1.DeepCopy()
-	n1WithTaint.Spec.Taints = []v1.Taint{
-		{
-			Key:    "key",
-			Value:  "value",
-			Effect: v1.TaintEffectNoSchedule,
-		},
-	}
-
-	if _, err := client.CoreV1().Nodes().Update(n1WithTaint); err != nil {
-		t.Fatalf("Unable to update node: %v\n", err)
-	}
-
-	if err := wait.PollImmediate(100*time.Millisecond, time.Second, func() (bool, error) {
-		// Get over evicted pod result in panic
-		//pods, err := client.CoreV1().Pods(p1.Namespace).Get(p1.Name, metav1.GetOptions{})
-		// List is better, it does not panic.
-		// Though once the pod is evicted, List starts to error with "can't assign or convert v1beta1.Eviction into v1.Pod"
-		pods, err := client.CoreV1().Pods(p1.Namespace).List(metav1.ListOptions{})
-		if err == nil {
-			if len(pods.Items) > 0 {
-				return false, nil
-			}
-			return true, nil
-		}
-		if strings.Contains(err.Error(), "can't assign or convert v1beta1.Eviction into v1.Pod") {
-			return true, nil
-		}
-
-		return false, nil
-	}); err != nil {
-		t.Fatalf("Unable to evict pod, node taint did not get propagated to descheduler strategies")
-	}
-}

pkg/descheduler/evictions/evictions.go

@@ -1,135 +0,0 @@
-/*
-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 evictions
-
-import (
-	"fmt"
-
-	v1 "k8s.io/api/core/v1"
-	policy "k8s.io/api/policy/v1beta1"
-	apierrors "k8s.io/apimachinery/pkg/api/errors"
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	clientset "k8s.io/client-go/kubernetes"
-	"k8s.io/client-go/kubernetes/scheme"
-	clientcorev1 "k8s.io/client-go/kubernetes/typed/core/v1"
-	"k8s.io/client-go/tools/record"
-	"k8s.io/klog"
-
-	eutils "sigs.k8s.io/descheduler/pkg/descheduler/evictions/utils"
-)
-
-// nodePodEvictedCount keeps count of pods evicted on node
-type nodePodEvictedCount map[*v1.Node]int
-
-type PodEvictor struct {
-	client             clientset.Interface
-	policyGroupVersion string
-	dryRun             bool
-	maxPodsToEvict     int
-	nodepodCount       nodePodEvictedCount
-}
-
-func NewPodEvictor(
-	client clientset.Interface,
-	policyGroupVersion string,
-	dryRun bool,
-	maxPodsToEvict int,
-	nodes []*v1.Node,
-) *PodEvictor {
-	var nodePodCount = make(nodePodEvictedCount)
-	for _, node := range nodes {
-		// Initialize podsEvicted till now with 0.
-		nodePodCount[node] = 0
-	}
-
-	return &PodEvictor{
-		client:             client,
-		policyGroupVersion: policyGroupVersion,
-		dryRun:             dryRun,
-		maxPodsToEvict:     maxPodsToEvict,
-		nodepodCount:       nodePodCount,
-	}
-}
-
-// NodeEvicted gives a number of pods evicted for node
-func (pe *PodEvictor) NodeEvicted(node *v1.Node) int {
-	return pe.nodepodCount[node]
-}
-
-// TotalEvicted gives a number of pods evicted through all nodes
-func (pe *PodEvictor) TotalEvicted() int {
-	var total int
-	for _, count := range pe.nodepodCount {
-		total += count
-	}
-	return total
-}
-
-// EvictPod returns non-nil error only when evicting a pod on a node is not
-// possible (due to maxPodsToEvict constraint). Success is true when the pod
-// is evicted on the server side.
-func (pe *PodEvictor) EvictPod(pod *v1.Pod, node *v1.Node) (success bool, err error) {
-	if pe.maxPodsToEvict > 0 && pe.nodepodCount[node]+1 > pe.maxPodsToEvict {
-		return false, fmt.Errorf("Maximum number %v of evicted pods per %q node reached", pe.maxPodsToEvict, node.Name)
-	}
-
-	success, err = EvictPod(pe.client, pod, pe.policyGroupVersion, pe.dryRun)
-	if success {
-		pe.nodepodCount[node]++
-		klog.V(1).Infof("Evicted pod: %#v (%#v)", pod.Name, err)
-		return success, nil
-	}
-	// err is used only for logging purposes
-	klog.Errorf("Error when evicting pod: %#v (%#v)", pod.Name, err)
-	return false, nil
-}
-
-func EvictPod(client clientset.Interface, pod *v1.Pod, policyGroupVersion string, dryRun bool) (bool, error) {
-	if dryRun {
-		return true, nil
-	}
-	deleteOptions := &metav1.DeleteOptions{}
-	// GracePeriodSeconds ?
-	eviction := &policy.Eviction{
-		TypeMeta: metav1.TypeMeta{
-			APIVersion: policyGroupVersion,
-			Kind:       eutils.EvictionKind,
-		},
-		ObjectMeta: metav1.ObjectMeta{
-			Name:      pod.Name,
-			Namespace: pod.Namespace,
-		},
-		DeleteOptions: deleteOptions,
-	}
-	err := client.PolicyV1beta1().Evictions(eviction.Namespace).Evict(eviction)
-
-	if err == nil {
-		eventBroadcaster := record.NewBroadcaster()
-		eventBroadcaster.StartLogging(klog.V(3).Infof)
-		eventBroadcaster.StartRecordingToSink(&clientcorev1.EventSinkImpl{Interface: client.CoreV1().Events(pod.Namespace)})
-		r := eventBroadcaster.NewRecorder(scheme.Scheme, v1.EventSource{Component: "sigs.k8s.io.descheduler"})
-		r.Event(pod, v1.EventTypeNormal, "Descheduled", "pod evicted by sigs.k8s.io/descheduler")
-		return true, nil
-	}
-	if apierrors.IsTooManyRequests(err) {
-		return false, fmt.Errorf("error when evicting pod (ignoring) %q: %v", pod.Name, err)
-	}
-	if apierrors.IsNotFound(err) {
-		return false, fmt.Errorf("pod not found when evicting %q: %v", pod.Name, err)
-	}
-	return false, err
-}

pkg/descheduler/evictions/evictions_test.go

@@ -1,65 +0,0 @@
-/*
-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 evictions
-
-import (
-	"testing"
-
-	"k8s.io/api/core/v1"
-	"k8s.io/apimachinery/pkg/runtime"
-	"k8s.io/client-go/kubernetes/fake"
-	core "k8s.io/client-go/testing"
-	"sigs.k8s.io/descheduler/test"
-)
-
-func TestEvictPod(t *testing.T) {
-	node1 := test.BuildTestNode("node1", 1000, 2000, 9, nil)
-	pod1 := test.BuildTestPod("p1", 400, 0, "node1", nil)
-	tests := []struct {
-		description string
-		node        *v1.Node
-		pod         *v1.Pod
-		pods        []v1.Pod
-		want        bool
-	}{
-		{
-			description: "test pod eviction - pod present",
-			node:        node1,
-			pod:         pod1,
-			pods:        []v1.Pod{*pod1},
-			want:        true,
-		},
-		{
-			description: "test pod eviction - pod absent",
-			node:        node1,
-			pod:         pod1,
-			pods:        []v1.Pod{*test.BuildTestPod("p2", 400, 0, "node1", nil), *test.BuildTestPod("p3", 450, 0, "node1", nil)},
-			want:        true,
-		},
-	}
-
-	for _, test := range tests {
-		fakeClient := &fake.Clientset{}
-		fakeClient.Fake.AddReactor("list", "pods", func(action core.Action) (bool, runtime.Object, error) {
-			return true, &v1.PodList{Items: test.pods}, nil
-		})
-		got, _ := EvictPod(fakeClient, test.pod, "v1", false)
-		if got != test.want {
-			t.Errorf("Test error for Desc: %s. Expected %v pod eviction to be %v, got %v", test.description, test.pod.Name, test.want, got)
-		}
-	}
-}

pkg/descheduler/evictions/utils/utils.go

@@ -1,58 +0,0 @@
-/*
-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 utils
-
-import (
-	clientset "k8s.io/client-go/kubernetes"
-)
-
-const (
-	EvictionKind        = "Eviction"
-	EvictionSubresource = "pods/eviction"
-)
-
-// SupportEviction uses Discovery API to find out if the server support eviction subresource
-// If support, it will return its groupVersion; Otherwise, it will return ""
-func SupportEviction(client clientset.Interface) (string, error) {
-	discoveryClient := client.Discovery()
-	groupList, err := discoveryClient.ServerGroups()
-	if err != nil {
-		return "", err
-	}
-	foundPolicyGroup := false
-	var policyGroupVersion string
-	for _, group := range groupList.Groups {
-		if group.Name == "policy" {
-			foundPolicyGroup = true
-			policyGroupVersion = group.PreferredVersion.GroupVersion
-			break
-		}
-	}
-	if !foundPolicyGroup {
-		return "", nil
-	}
-	resourceList, err := discoveryClient.ServerResourcesForGroupVersion("v1")
-	if err != nil {
-		return "", err
-	}
-	for _, resource := range resourceList.APIResources {
-		if resource.Name == EvictionSubresource && resource.Kind == EvictionKind {
-			return policyGroupVersion, nil
-		}
-	}
-	return "", nil
-}

pkg/descheduler/node/node.go

@@ -1,138 +0,0 @@
-/*
-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 node
-
-import (
-	"k8s.io/api/core/v1"
-	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"
-	"k8s.io/klog"
-	"sigs.k8s.io/descheduler/pkg/utils"
-)
-
-// ReadyNodes returns ready nodes irrespective of whether they are
-// schedulable or not.
-func ReadyNodes(client clientset.Interface, nodeInformer coreinformers.NodeInformer, nodeSelector string, stopChannel <-chan struct{}) ([]*v1.Node, error) {
-	ns, err := labels.Parse(nodeSelector)
-	if err != nil {
-		return []*v1.Node{}, err
-	}
-
-	var nodes []*v1.Node
-	// err is defined above
-	if nodes, err = nodeInformer.Lister().List(ns); err != nil {
-		return []*v1.Node{}, err
-	}
-
-	if len(nodes) == 0 {
-		klog.V(2).Infof("node lister returned empty list, now fetch directly")
-
-		nItems, err := client.CoreV1().Nodes().List(metav1.ListOptions{LabelSelector: nodeSelector})
-		if err != nil {
-			return []*v1.Node{}, err
-		}
-
-		if nItems == nil || len(nItems.Items) == 0 {
-			return []*v1.Node{}, nil
-		}
-
-		for i := range nItems.Items {
-			node := nItems.Items[i]
-			nodes = append(nodes, &node)
-		}
-	}
-
-	readyNodes := make([]*v1.Node, 0, len(nodes))
-	for _, node := range nodes {
-		if IsReady(node) {
-			readyNodes = append(readyNodes, node)
-		}
-	}
-	return readyNodes, nil
-}
-
-// IsReady checks if the descheduler could run against given node.
-func IsReady(node *v1.Node) bool {
-	for i := range node.Status.Conditions {
-		cond := &node.Status.Conditions[i]
-		// We consider the node for scheduling only when its:
-		// - NodeReady condition status is ConditionTrue,
-		// - NodeOutOfDisk condition status is ConditionFalse,
-		// - NodeNetworkUnavailable condition status is ConditionFalse.
-		if cond.Type == v1.NodeReady && cond.Status != v1.ConditionTrue {
-			klog.V(1).Infof("Ignoring node %v with %v condition status %v", node.Name, cond.Type, cond.Status)
-			return false
-		} /*else if cond.Type == v1.NodeOutOfDisk && cond.Status != v1.ConditionFalse {
-			klog.V(4).Infof("Ignoring node %v with %v condition status %v", node.Name, cond.Type, cond.Status)
-			return false
-		} else if cond.Type == v1.NodeNetworkUnavailable && cond.Status != v1.ConditionFalse {
-			klog.V(4).Infof("Ignoring node %v with %v condition status %v", node.Name, cond.Type, cond.Status)
-			return false
-		}*/
-	}
-	// Ignore nodes that are marked unschedulable
-	/*if node.Spec.Unschedulable {
-		klog.V(4).Infof("Ignoring node %v since it is unschedulable", node.Name)
-		return false
-	}*/
-	return true
-}
-
-// IsNodeUnschedulable checks if the node is unschedulable. This is helper function to check only in case of
-// underutilized node so that they won't be accounted for.
-func IsNodeUnschedulable(node *v1.Node) bool {
-	return node.Spec.Unschedulable
-}
-
-// PodFitsAnyNode checks if the given pod fits any of the given nodes, based on
-// multiple criteria, like, pod node selector matching the node label, node
-// being schedulable or not.
-func PodFitsAnyNode(pod *v1.Pod, nodes []*v1.Node) bool {
-	for _, node := range nodes {
-
-		ok, err := utils.PodMatchNodeSelector(pod, node)
-		if err != nil || !ok {
-			continue
-		}
-		if !IsNodeUnschedulable(node) {
-			klog.V(2).Infof("Pod %v can possibly be scheduled on %v", pod.Name, node.Name)
-			return true
-		}
-	}
-	return false
-}
-
-// PodFitsCurrentNode checks if the given pod fits on the given node if the pod
-// node selector matches the node label.
-func PodFitsCurrentNode(pod *v1.Pod, node *v1.Node) bool {
-	ok, err := utils.PodMatchNodeSelector(pod, node)
-
-	if err != nil {
-		klog.Error(err)
-		return false
-	}
-
-	if !ok {
-		klog.V(1).Infof("Pod %v does not fit on node %v", pod.Name, node.Name)
-		return false
-	}
-
-	klog.V(3).Infof("Pod %v fits on node %v", pod.Name, node.Name)
-	return true
-}

pkg/descheduler/node/node_test.go

@@ -1,395 +0,0 @@
-/*
-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 node
-
-import (
-	"testing"
-
-	"k8s.io/api/core/v1"
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	"k8s.io/client-go/informers"
-	"k8s.io/client-go/kubernetes/fake"
-	"sigs.k8s.io/descheduler/test"
-)
-
-func TestReadyNodes(t *testing.T) {
-	node1 := test.BuildTestNode("node2", 1000, 2000, 9, nil)
-	node2 := test.BuildTestNode("node3", 1000, 2000, 9, nil)
-	node2.Status.Conditions = []v1.NodeCondition{{Type: v1.NodeMemoryPressure, Status: v1.ConditionTrue}}
-	node3 := test.BuildTestNode("node4", 1000, 2000, 9, nil)
-	node3.Status.Conditions = []v1.NodeCondition{{Type: v1.NodeNetworkUnavailable, Status: v1.ConditionTrue}}
-	node4 := test.BuildTestNode("node5", 1000, 2000, 9, nil)
-	node4.Spec.Unschedulable = true
-	node5 := test.BuildTestNode("node6", 1000, 2000, 9, nil)
-	node5.Status.Conditions = []v1.NodeCondition{{Type: v1.NodeReady, Status: v1.ConditionFalse}}
-
-	if !IsReady(node1) {
-		t.Errorf("Expected %v to be ready", node2.Name)
-	}
-	if !IsReady(node2) {
-		t.Errorf("Expected %v to be ready", node3.Name)
-	}
-	if !IsReady(node3) {
-		t.Errorf("Expected %v to be ready", node4.Name)
-	}
-	if !IsReady(node4) {
-		t.Errorf("Expected %v to be ready", node5.Name)
-	}
-	if IsReady(node5) {
-		t.Errorf("Expected %v to be not ready", node5.Name)
-	}
-
-}
-
-func TestReadyNodesWithNodeSelector(t *testing.T) {
-	node1 := test.BuildTestNode("node1", 1000, 2000, 9, nil)
-	node1.Labels = map[string]string{"type": "compute"}
-	node2 := test.BuildTestNode("node2", 1000, 2000, 9, nil)
-	node2.Labels = map[string]string{"type": "infra"}
-
-	fakeClient := fake.NewSimpleClientset(node1, node2)
-	nodeSelector := "type=compute"
-
-	sharedInformerFactory := informers.NewSharedInformerFactory(fakeClient, 0)
-	nodeInformer := sharedInformerFactory.Core().V1().Nodes()
-
-	stopChannel := make(chan struct{}, 0)
-	sharedInformerFactory.Start(stopChannel)
-	sharedInformerFactory.WaitForCacheSync(stopChannel)
-	defer close(stopChannel)
-
-	nodes, _ := ReadyNodes(fakeClient, nodeInformer, nodeSelector, nil)
-
-	if nodes[0].Name != "node1" {
-		t.Errorf("Expected node1, got %s", nodes[0].Name)
-	}
-}
-
-func TestIsNodeUnschedulable(t *testing.T) {
-	tests := []struct {
-		description     string
-		node            *v1.Node
-		IsUnSchedulable bool
-	}{
-		{
-			description: "Node is expected to be schedulable",
-			node: &v1.Node{
-				Spec: v1.NodeSpec{Unschedulable: false},
-			},
-			IsUnSchedulable: false,
-		},
-		{
-			description: "Node is not expected to be schedulable because of unschedulable field",
-			node: &v1.Node{
-				Spec: v1.NodeSpec{Unschedulable: true},
-			},
-			IsUnSchedulable: true,
-		},
-	}
-	for _, test := range tests {
-		actualUnSchedulable := IsNodeUnschedulable(test.node)
-		if actualUnSchedulable != test.IsUnSchedulable {
-			t.Errorf("Test %#v failed", test.description)
-		}
-	}
-
-}
-
-func TestPodFitsCurrentNode(t *testing.T) {
-
-	nodeLabelKey := "kubernetes.io/desiredNode"
-	nodeLabelValue := "yes"
-
-	tests := []struct {
-		description string
-		pod         *v1.Pod
-		node        *v1.Node
-		success     bool
-	}{
-		{
-			description: "Pod with nodeAffinity set, expected to fit the node",
-			pod: &v1.Pod{
-				Spec: v1.PodSpec{
-					Affinity: &v1.Affinity{
-						NodeAffinity: &v1.NodeAffinity{
-							RequiredDuringSchedulingIgnoredDuringExecution: &v1.NodeSelector{
-								NodeSelectorTerms: []v1.NodeSelectorTerm{
-									{
-										MatchExpressions: []v1.NodeSelectorRequirement{
-											{
-												Key:      nodeLabelKey,
-												Operator: "In",
-												Values: []string{
-													nodeLabelValue,
-												},
-											},
-										},
-									},
-								},
-							},
-						},
-					},
-				},
-			},
-			node: &v1.Node{
-				ObjectMeta: metav1.ObjectMeta{
-					Labels: map[string]string{
-						nodeLabelKey: nodeLabelValue,
-					},
-				},
-			},
-			success: true,
-		},
-		{
-			description: "Pod with nodeAffinity set, not expected to fit the node",
-			pod: &v1.Pod{
-				Spec: v1.PodSpec{
-					Affinity: &v1.Affinity{
-						NodeAffinity: &v1.NodeAffinity{
-							RequiredDuringSchedulingIgnoredDuringExecution: &v1.NodeSelector{
-								NodeSelectorTerms: []v1.NodeSelectorTerm{
-									{
-										MatchExpressions: []v1.NodeSelectorRequirement{
-											{
-												Key:      nodeLabelKey,
-												Operator: "In",
-												Values: []string{
-													nodeLabelValue,
-												},
-											},
-										},
-									},
-								},
-							},
-						},
-					},
-				},
-			},
-			node: &v1.Node{
-				ObjectMeta: metav1.ObjectMeta{
-					Labels: map[string]string{
-						nodeLabelKey: "no",
-					},
-				},
-			},
-			success: false,
-		},
-	}
-
-	for _, tc := range tests {
-		actual := PodFitsCurrentNode(tc.pod, tc.node)
-		if actual != tc.success {
-			t.Errorf("Test %#v failed", tc.description)
-		}
-	}
-}
-
-func TestPodFitsAnyNode(t *testing.T) {
-
-	nodeLabelKey := "kubernetes.io/desiredNode"
-	nodeLabelValue := "yes"
-
-	tests := []struct {
-		description string
-		pod         *v1.Pod
-		nodes       []*v1.Node
-		success     bool
-	}{
-		{
-			description: "Pod expected to fit one of the nodes",
-			pod: &v1.Pod{
-				Spec: v1.PodSpec{
-					Affinity: &v1.Affinity{
-						NodeAffinity: &v1.NodeAffinity{
-							RequiredDuringSchedulingIgnoredDuringExecution: &v1.NodeSelector{
-								NodeSelectorTerms: []v1.NodeSelectorTerm{
-									{
-										MatchExpressions: []v1.NodeSelectorRequirement{
-											{
-												Key:      nodeLabelKey,
-												Operator: "In",
-												Values: []string{
-													nodeLabelValue,
-												},
-											},
-										},
-									},
-								},
-							},
-						},
-					},
-				},
-			},
-			nodes: []*v1.Node{
-				{
-					ObjectMeta: metav1.ObjectMeta{
-						Labels: map[string]string{
-							nodeLabelKey: nodeLabelValue,
-						},
-					},
-				},
-				{
-					ObjectMeta: metav1.ObjectMeta{
-						Labels: map[string]string{
-							nodeLabelKey: "no",
-						},
-					},
-				},
-			},
-			success: true,
-		},
-		{
-			description: "Pod expected to fit one of the nodes (error node first)",
-			pod: &v1.Pod{
-				Spec: v1.PodSpec{
-					Affinity: &v1.Affinity{
-						NodeAffinity: &v1.NodeAffinity{
-							RequiredDuringSchedulingIgnoredDuringExecution: &v1.NodeSelector{
-								NodeSelectorTerms: []v1.NodeSelectorTerm{
-									{
-										MatchExpressions: []v1.NodeSelectorRequirement{
-											{
-												Key:      nodeLabelKey,
-												Operator: "In",
-												Values: []string{
-													nodeLabelValue,
-												},
-											},
-										},
-									},
-								},
-							},
-						},
-					},
-				},
-			},
-			nodes: []*v1.Node{
-				{
-					ObjectMeta: metav1.ObjectMeta{
-						Labels: map[string]string{
-							nodeLabelKey: "no",
-						},
-					},
-				},
-				{
-					ObjectMeta: metav1.ObjectMeta{
-						Labels: map[string]string{
-							nodeLabelKey: nodeLabelValue,
-						},
-					},
-				},
-			},
-			success: true,
-		},
-		{
-			description: "Pod expected to fit none of the nodes",
-			pod: &v1.Pod{
-				Spec: v1.PodSpec{
-					Affinity: &v1.Affinity{
-						NodeAffinity: &v1.NodeAffinity{
-							RequiredDuringSchedulingIgnoredDuringExecution: &v1.NodeSelector{
-								NodeSelectorTerms: []v1.NodeSelectorTerm{
-									{
-										MatchExpressions: []v1.NodeSelectorRequirement{
-											{
-												Key:      nodeLabelKey,
-												Operator: "In",
-												Values: []string{
-													nodeLabelValue,
-												},
-											},
-										},
-									},
-								},
-							},
-						},
-					},
-				},
-			},
-			nodes: []*v1.Node{
-				{
-					ObjectMeta: metav1.ObjectMeta{
-						Labels: map[string]string{
-							nodeLabelKey: "unfit1",
-						},
-					},
-				},
-				{
-					ObjectMeta: metav1.ObjectMeta{
-						Labels: map[string]string{
-							nodeLabelKey: "unfit2",
-						},
-					},
-				},
-			},
-			success: false,
-		},
-		{
-			description: "Nodes are unschedulable but labels match, should fail",
-			pod: &v1.Pod{
-				Spec: v1.PodSpec{
-					Affinity: &v1.Affinity{
-						NodeAffinity: &v1.NodeAffinity{
-							RequiredDuringSchedulingIgnoredDuringExecution: &v1.NodeSelector{
-								NodeSelectorTerms: []v1.NodeSelectorTerm{
-									{
-										MatchExpressions: []v1.NodeSelectorRequirement{
-											{
-												Key:      nodeLabelKey,
-												Operator: "In",
-												Values: []string{
-													nodeLabelValue,
-												},
-											},
-										},
-									},
-								},
-							},
-						},
-					},
-				},
-			},
-			nodes: []*v1.Node{
-				{
-					ObjectMeta: metav1.ObjectMeta{
-						Labels: map[string]string{
-							nodeLabelKey: nodeLabelValue,
-						},
-					},
-					Spec: v1.NodeSpec{
-						Unschedulable: true,
-					},
-				},
-				{
-					ObjectMeta: metav1.ObjectMeta{
-						Labels: map[string]string{
-							nodeLabelKey: "no",
-						},
-					},
-				},
-			},
-			success: false,
-		},
-	}
-
-	for _, tc := range tests {
-		actual := PodFitsAnyNode(tc.pod, tc.nodes)
-		if actual != tc.success {
-			t.Errorf("Test %#v failed", tc.description)
-		}
-	}
-}

pkg/descheduler/pod/pods.go

@@ -1,125 +0,0 @@
-/*
-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 pod
-
-import (
-	v1 "k8s.io/api/core/v1"
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	"k8s.io/apimachinery/pkg/fields"
-	clientset "k8s.io/client-go/kubernetes"
-	"sigs.k8s.io/descheduler/pkg/utils"
-)
-
-const (
-	evictPodAnnotationKey = "descheduler.alpha.kubernetes.io/evict"
-)
-
-// IsEvictable checks if a pod is evictable or not.
-func IsEvictable(pod *v1.Pod, evictLocalStoragePods bool) bool {
-	ownerRefList := OwnerRef(pod)
-	if !HaveEvictAnnotation(pod) && (IsMirrorPod(pod) || (!evictLocalStoragePods && IsPodWithLocalStorage(pod)) || len(ownerRefList) == 0 || IsDaemonsetPod(ownerRefList) || IsCriticalPod(pod)) {
-		return false
-	}
-	return true
-}
-
-// ListEvictablePodsOnNode returns the list of evictable pods on node.
-func ListEvictablePodsOnNode(client clientset.Interface, node *v1.Node, evictLocalStoragePods bool) ([]*v1.Pod, error) {
-	pods, err := ListPodsOnANode(client, node)
-	if err != nil {
-		return []*v1.Pod{}, err
-	}
-	evictablePods := make([]*v1.Pod, 0)
-	for _, pod := range pods {
-		if !IsEvictable(pod, evictLocalStoragePods) {
-			continue
-		} else {
-			evictablePods = append(evictablePods, pod)
-		}
-	}
-	return evictablePods, nil
-}
-
-func ListPodsOnANode(client clientset.Interface, node *v1.Node) ([]*v1.Pod, error) {
-	fieldSelector, err := fields.ParseSelector("spec.nodeName=" + node.Name + ",status.phase!=" + string(v1.PodSucceeded) + ",status.phase!=" + string(v1.PodFailed))
-	if err != nil {
-		return []*v1.Pod{}, err
-	}
-
-	podList, err := client.CoreV1().Pods(v1.NamespaceAll).List(
-		metav1.ListOptions{FieldSelector: fieldSelector.String()})
-	if err != nil {
-		return []*v1.Pod{}, err
-	}
-
-	pods := make([]*v1.Pod, 0)
-	for i := range podList.Items {
-		pods = append(pods, &podList.Items[i])
-	}
-	return pods, nil
-}
-
-func IsCriticalPod(pod *v1.Pod) bool {
-	return utils.IsCriticalPod(pod)
-}
-
-func IsBestEffortPod(pod *v1.Pod) bool {
-	return utils.GetPodQOS(pod) == v1.PodQOSBestEffort
-}
-
-func IsBurstablePod(pod *v1.Pod) bool {
-	return utils.GetPodQOS(pod) == v1.PodQOSBurstable
-}
-
-func IsGuaranteedPod(pod *v1.Pod) bool {
-	return utils.GetPodQOS(pod) == v1.PodQOSGuaranteed
-}
-
-func IsDaemonsetPod(ownerRefList []metav1.OwnerReference) bool {
-	for _, ownerRef := range ownerRefList {
-		if ownerRef.Kind == "DaemonSet" {
-			return true
-		}
-	}
-	return false
-}
-
-// IsMirrorPod checks whether the pod is a mirror pod.
-func IsMirrorPod(pod *v1.Pod) bool {
-	return utils.IsMirrorPod(pod)
-}
-
-// HaveEvictAnnotation checks if the pod have evict annotation
-func HaveEvictAnnotation(pod *v1.Pod) bool {
-	_, found := pod.ObjectMeta.Annotations[evictPodAnnotationKey]
-	return found
-}
-
-func IsPodWithLocalStorage(pod *v1.Pod) bool {
-	for _, volume := range pod.Spec.Volumes {
-		if volume.HostPath != nil || volume.EmptyDir != nil {
-			return true
-		}
-	}
-
-	return false
-}
-
-// OwnerRef returns the ownerRefList for the pod.
-func OwnerRef(pod *v1.Pod) []metav1.OwnerReference {
-	return pod.ObjectMeta.GetOwnerReferences()
-}

pkg/descheduler/pod/pods_test.go

@@ -1,237 +0,0 @@
-/*
-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 pod
-
-import (
-	"testing"
-
-	v1 "k8s.io/api/core/v1"
-	"k8s.io/apimachinery/pkg/api/resource"
-	"sigs.k8s.io/descheduler/pkg/utils"
-	"sigs.k8s.io/descheduler/test"
-)
-
-func TestIsEvictable(t *testing.T) {
-	n1 := test.BuildTestNode("node1", 1000, 2000, 13, nil)
-	type testCase struct {
-		pod                   *v1.Pod
-		runBefore             func(*v1.Pod)
-		evictLocalStoragePods bool
-		result                bool
-	}
-
-	testCases := []testCase{
-		{
-			pod: test.BuildTestPod("p1", 400, 0, n1.Name, nil),
-			runBefore: func(pod *v1.Pod) {
-				pod.ObjectMeta.OwnerReferences = test.GetNormalPodOwnerRefList()
-			},
-			evictLocalStoragePods: false,
-			result:                true,
-		}, {
-			pod: test.BuildTestPod("p2", 400, 0, n1.Name, nil),
-			runBefore: func(pod *v1.Pod) {
-				pod.Annotations = map[string]string{"descheduler.alpha.kubernetes.io/evict": "true"}
-				pod.ObjectMeta.OwnerReferences = test.GetNormalPodOwnerRefList()
-			},
-			evictLocalStoragePods: false,
-			result:                true,
-		}, {
-			pod: test.BuildTestPod("p3", 400, 0, n1.Name, nil),
-			runBefore: func(pod *v1.Pod) {
-				pod.ObjectMeta.OwnerReferences = test.GetReplicaSetOwnerRefList()
-			},
-			evictLocalStoragePods: false,
-			result:                true,
-		}, {
-			pod: test.BuildTestPod("p4", 400, 0, n1.Name, nil),
-			runBefore: func(pod *v1.Pod) {
-				pod.Annotations = map[string]string{"descheduler.alpha.kubernetes.io/evict": "true"}
-				pod.ObjectMeta.OwnerReferences = test.GetReplicaSetOwnerRefList()
-			},
-			evictLocalStoragePods: false,
-			result:                true,
-		}, {
-			pod: test.BuildTestPod("p5", 400, 0, n1.Name, nil),
-			runBefore: func(pod *v1.Pod) {
-				pod.ObjectMeta.OwnerReferences = test.GetNormalPodOwnerRefList()
-				pod.Spec.Volumes = []v1.Volume{
-					{
-						Name: "sample",
-						VolumeSource: v1.VolumeSource{
-							HostPath: &v1.HostPathVolumeSource{Path: "somePath"},
-							EmptyDir: &v1.EmptyDirVolumeSource{
-								SizeLimit: resource.NewQuantity(int64(10), resource.BinarySI)},
-						},
-					},
-				}
-			},
-			evictLocalStoragePods: false,
-			result:                false,
-		}, {
-			pod: test.BuildTestPod("p6", 400, 0, n1.Name, nil),
-			runBefore: func(pod *v1.Pod) {
-				pod.ObjectMeta.OwnerReferences = test.GetNormalPodOwnerRefList()
-				pod.Spec.Volumes = []v1.Volume{
-					{
-						Name: "sample",
-						VolumeSource: v1.VolumeSource{
-							HostPath: &v1.HostPathVolumeSource{Path: "somePath"},
-							EmptyDir: &v1.EmptyDirVolumeSource{
-								SizeLimit: resource.NewQuantity(int64(10), resource.BinarySI)},
-						},
-					},
-				}
-			},
-			evictLocalStoragePods: true,
-			result:                true,
-		}, {
-			pod: test.BuildTestPod("p7", 400, 0, n1.Name, nil),
-			runBefore: func(pod *v1.Pod) {
-				pod.Annotations = map[string]string{"descheduler.alpha.kubernetes.io/evict": "true"}
-				pod.ObjectMeta.OwnerReferences = test.GetNormalPodOwnerRefList()
-				pod.Spec.Volumes = []v1.Volume{
-					{
-						Name: "sample",
-						VolumeSource: v1.VolumeSource{
-							HostPath: &v1.HostPathVolumeSource{Path: "somePath"},
-							EmptyDir: &v1.EmptyDirVolumeSource{
-								SizeLimit: resource.NewQuantity(int64(10), resource.BinarySI)},
-						},
-					},
-				}
-			},
-			evictLocalStoragePods: false,
-			result:                true,
-		}, {
-			pod: test.BuildTestPod("p8", 400, 0, n1.Name, nil),
-			runBefore: func(pod *v1.Pod) {
-				pod.ObjectMeta.OwnerReferences = test.GetDaemonSetOwnerRefList()
-			},
-			evictLocalStoragePods: false,
-			result:                false,
-		}, {
-			pod: test.BuildTestPod("p9", 400, 0, n1.Name, nil),
-			runBefore: func(pod *v1.Pod) {
-				pod.Annotations = map[string]string{"descheduler.alpha.kubernetes.io/evict": "true"}
-				pod.ObjectMeta.OwnerReferences = test.GetDaemonSetOwnerRefList()
-			},
-			evictLocalStoragePods: false,
-			result:                true,
-		}, {
-			pod: test.BuildTestPod("p10", 400, 0, n1.Name, nil),
-			runBefore: func(pod *v1.Pod) {
-				pod.Annotations = test.GetMirrorPodAnnotation()
-			},
-			evictLocalStoragePods: false,
-			result:                false,
-		}, {
-			pod: test.BuildTestPod("p11", 400, 0, n1.Name, nil),
-			runBefore: func(pod *v1.Pod) {
-				pod.Annotations = test.GetMirrorPodAnnotation()
-				pod.Annotations["descheduler.alpha.kubernetes.io/evict"] = "true"
-			},
-			evictLocalStoragePods: false,
-			result:                true,
-		}, {
-			pod: test.BuildTestPod("p12", 400, 0, n1.Name, nil),
-			runBefore: func(pod *v1.Pod) {
-				priority := utils.SystemCriticalPriority
-				pod.Spec.Priority = &priority
-			},
-			evictLocalStoragePods: false,
-			result:                false,
-		}, {
-			pod: test.BuildTestPod("p13", 400, 0, n1.Name, nil),
-			runBefore: func(pod *v1.Pod) {
-				priority := utils.SystemCriticalPriority
-				pod.Spec.Priority = &priority
-				pod.Annotations = map[string]string{
-					"descheduler.alpha.kubernetes.io/evict": "true",
-				}
-			},
-			evictLocalStoragePods: false,
-			result:                true,
-		},
-	}
-
-	for _, test := range testCases {
-		test.runBefore(test.pod)
-		result := IsEvictable(test.pod, test.evictLocalStoragePods)
-		if result != test.result {
-			t.Errorf("IsEvictable should return for pod %s %t, but it returns %t", test.pod.Name, test.result, result)
-		}
-
-	}
-}
-func TestPodTypes(t *testing.T) {
-	n1 := test.BuildTestNode("node1", 1000, 2000, 9, nil)
-	p1 := test.BuildTestPod("p1", 400, 0, n1.Name, nil)
-
-	// These won't be evicted.
-	p2 := test.BuildTestPod("p2", 400, 0, n1.Name, nil)
-	p3 := test.BuildTestPod("p3", 400, 0, n1.Name, nil)
-	p4 := test.BuildTestPod("p4", 400, 0, n1.Name, nil)
-	p5 := test.BuildTestPod("p5", 400, 0, n1.Name, nil)
-	p6 := test.BuildTestPod("p6", 400, 0, n1.Name, nil)
-
-	p6.ObjectMeta.OwnerReferences = test.GetNormalPodOwnerRefList()
-
-	p1.ObjectMeta.OwnerReferences = test.GetReplicaSetOwnerRefList()
-	// The following 4 pods won't get evicted.
-	// A daemonset.
-	//p2.Annotations = test.GetDaemonSetAnnotation()
-	p2.ObjectMeta.OwnerReferences = test.GetDaemonSetOwnerRefList()
-	// A pod with local storage.
-	p3.ObjectMeta.OwnerReferences = test.GetNormalPodOwnerRefList()
-	p3.Spec.Volumes = []v1.Volume{
-		{
-			Name: "sample",
-			VolumeSource: v1.VolumeSource{
-				HostPath: &v1.HostPathVolumeSource{Path: "somePath"},
-				EmptyDir: &v1.EmptyDirVolumeSource{
-					SizeLimit: resource.NewQuantity(int64(10), resource.BinarySI)},
-			},
-		},
-	}
-	// A Mirror Pod.
-	p4.Annotations = test.GetMirrorPodAnnotation()
-	// A Critical Pod.
-	p5.Namespace = "kube-system"
-	priority := utils.SystemCriticalPriority
-	p5.Spec.Priority = &priority
-	systemCriticalPriority := utils.SystemCriticalPriority
-	p5.Spec.Priority = &systemCriticalPriority
-	if !IsMirrorPod(p4) {
-		t.Errorf("Expected p4 to be a mirror pod.")
-	}
-	if !IsCriticalPod(p5) {
-		t.Errorf("Expected p5 to be a critical pod.")
-	}
-	if !IsPodWithLocalStorage(p3) {
-		t.Errorf("Expected p3 to be a pod with local storage.")
-	}
-	ownerRefList := OwnerRef(p2)
-	if !IsDaemonsetPod(ownerRefList) {
-		t.Errorf("Expected p2 to be a daemonset pod.")
-	}
-	ownerRefList = OwnerRef(p1)
-	if IsDaemonsetPod(ownerRefList) || IsPodWithLocalStorage(p1) || IsCriticalPod(p1) || IsMirrorPod(p1) {
-		t.Errorf("Expected p1 to be a normal pod.")
-	}
-
-}

pkg/descheduler/policyconfig.go

@@ -1,55 +0,0 @@
-/*
-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 (
-	"fmt"
-	"io/ioutil"
-
-	"k8s.io/apimachinery/pkg/runtime"
-	"k8s.io/klog"
-
-	"sigs.k8s.io/descheduler/pkg/api"
-	"sigs.k8s.io/descheduler/pkg/api/v1alpha1"
-	"sigs.k8s.io/descheduler/pkg/descheduler/scheme"
-)
-
-func LoadPolicyConfig(policyConfigFile string) (*api.DeschedulerPolicy, error) {
-	if policyConfigFile == "" {
-		klog.V(1).Infof("policy config file not specified")
-		return nil, nil
-	}
-
-	policy, err := ioutil.ReadFile(policyConfigFile)
-	if err != nil {
-		return nil, fmt.Errorf("failed to read policy config file %q: %+v", policyConfigFile, err)
-	}
-
-	versionedPolicy := &v1alpha1.DeschedulerPolicy{}
-
-	decoder := scheme.Codecs.UniversalDecoder(v1alpha1.SchemeGroupVersion)
-	if err := runtime.DecodeInto(decoder, policy, versionedPolicy); 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)
-	}
-
-	return internalPolicy, nil
-}

pkg/descheduler/scheme/scheme.go

@@ -1,27 +0,0 @@
-/*
-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 scheme
-
-import (
-	"k8s.io/apimachinery/pkg/runtime"
-	"k8s.io/apimachinery/pkg/runtime/serializer"
-)
-
-var (
-	Scheme = runtime.NewScheme()
-	Codecs = serializer.NewCodecFactory(Scheme)
-)

pkg/descheduler/strategies/duplicates.go

@@ -1,79 +0,0 @@
-/*
-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 strategies
-
-import (
-	"strings"
-
-	"k8s.io/api/core/v1"
-	clientset "k8s.io/client-go/kubernetes"
-	"k8s.io/klog"
-
-	"sigs.k8s.io/descheduler/pkg/api"
-	"sigs.k8s.io/descheduler/pkg/descheduler/evictions"
-	podutil "sigs.k8s.io/descheduler/pkg/descheduler/pod"
-)
-
-// RemoveDuplicatePods removes the duplicate pods on node. This strategy evicts all duplicate pods on node.
-// A pod is said to be a duplicate of other if both of them are from same creator, kind and are within the same
-// namespace. As of now, this strategy won't evict daemonsets, mirror pods, critical pods and pods with local storages.
-func RemoveDuplicatePods(
-	client clientset.Interface,
-	strategy api.DeschedulerStrategy,
-	nodes []*v1.Node,
-	evictLocalStoragePods bool,
-	podEvictor *evictions.PodEvictor,
-) {
-	for _, node := range nodes {
-		klog.V(1).Infof("Processing node: %#v", node.Name)
-		dpm := listDuplicatePodsOnANode(client, node, evictLocalStoragePods)
-		for creator, pods := range dpm {
-			if len(pods) > 1 {
-				klog.V(1).Infof("%#v", creator)
-				// i = 0 does not evict the first pod
-				for i := 1; i < len(pods); i++ {
-					if _, err := podEvictor.EvictPod(pods[i], node); err != nil {
-						break
-					}
-				}
-			}
-		}
-	}
-}
-
-//type creator string
-type duplicatePodsMap map[string][]*v1.Pod
-
-// listDuplicatePodsOnANode lists duplicate pods on a given node.
-func listDuplicatePodsOnANode(client clientset.Interface, node *v1.Node, evictLocalStoragePods bool) duplicatePodsMap {
-	pods, err := podutil.ListEvictablePodsOnNode(client, node, evictLocalStoragePods)
-	if err != nil {
-		return nil
-	}
-
-	dpm := duplicatePodsMap{}
-	// Ignoring the error here as in the ListDuplicatePodsOnNode function we call ListEvictablePodsOnNode which checks for error.
-	for _, pod := range pods {
-		ownerRefList := podutil.OwnerRef(pod)
-		for _, ownerRef := range ownerRefList {
-			// Namespace/Kind/Name should be unique for the cluster.
-			s := strings.Join([]string{pod.ObjectMeta.Namespace, ownerRef.Kind, ownerRef.Name}, "/")
-			dpm[s] = append(dpm[s], pod)
-		}
-	}
-	return dpm
-}

pkg/descheduler/strategies/duplicates_test.go

@@ -1,154 +0,0 @@
-/*
-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 strategies
-
-import (
-	"testing"
-
-	"k8s.io/api/core/v1"
-	"k8s.io/apimachinery/pkg/api/resource"
-	"k8s.io/apimachinery/pkg/runtime"
-	"k8s.io/client-go/kubernetes/fake"
-	core "k8s.io/client-go/testing"
-	"sigs.k8s.io/descheduler/pkg/api"
-	"sigs.k8s.io/descheduler/pkg/descheduler/evictions"
-	"sigs.k8s.io/descheduler/pkg/utils"
-	"sigs.k8s.io/descheduler/test"
-)
-
-func TestFindDuplicatePods(t *testing.T) {
-	// first setup pods
-	node := test.BuildTestNode("n1", 2000, 3000, 10, nil)
-	p1 := test.BuildTestPod("p1", 100, 0, node.Name, nil)
-	p1.Namespace = "dev"
-	p2 := test.BuildTestPod("p2", 100, 0, node.Name, nil)
-	p2.Namespace = "dev"
-	p3 := test.BuildTestPod("p3", 100, 0, node.Name, nil)
-	p3.Namespace = "dev"
-	p4 := test.BuildTestPod("p4", 100, 0, node.Name, nil)
-	p5 := test.BuildTestPod("p5", 100, 0, node.Name, nil)
-	p6 := test.BuildTestPod("p6", 100, 0, node.Name, nil)
-	p7 := test.BuildTestPod("p7", 100, 0, node.Name, nil)
-	p7.Namespace = "kube-system"
-	p8 := test.BuildTestPod("p8", 100, 0, node.Name, nil)
-	p8.Namespace = "test"
-	p9 := test.BuildTestPod("p9", 100, 0, node.Name, nil)
-	p9.Namespace = "test"
-	p10 := test.BuildTestPod("p10", 100, 0, node.Name, nil)
-	p10.Namespace = "test"
-
-	// ### Evictable Pods ###
-
-	// Three Pods in the "default" Namespace, bound to same ReplicaSet. 2 should be evicted.
-	ownerRef1 := test.GetReplicaSetOwnerRefList()
-	p1.ObjectMeta.OwnerReferences = ownerRef1
-	p2.ObjectMeta.OwnerReferences = ownerRef1
-	p3.ObjectMeta.OwnerReferences = ownerRef1
-
-	// Three Pods in the "test" Namespace, bound to same ReplicaSet. 2 should be evicted.
-	ownerRef2 := test.GetReplicaSetOwnerRefList()
-	p8.ObjectMeta.OwnerReferences = ownerRef2
-	p9.ObjectMeta.OwnerReferences = ownerRef2
-	p10.ObjectMeta.OwnerReferences = ownerRef2
-
-	// ### Non-evictable Pods ###
-
-	// A DaemonSet.
-	p4.ObjectMeta.OwnerReferences = test.GetDaemonSetOwnerRefList()
-
-	// A Pod with local storage.
-	p5.ObjectMeta.OwnerReferences = test.GetNormalPodOwnerRefList()
-	p5.Spec.Volumes = []v1.Volume{
-		{
-			Name: "sample",
-			VolumeSource: v1.VolumeSource{
-				HostPath: &v1.HostPathVolumeSource{Path: "somePath"},
-				EmptyDir: &v1.EmptyDirVolumeSource{
-					SizeLimit: resource.NewQuantity(int64(10), resource.BinarySI)},
-			},
-		},
-	}
-
-	// A Mirror Pod.
-	p6.Annotations = test.GetMirrorPodAnnotation()
-
-	// A Critical Pod.
-	priority := utils.SystemCriticalPriority
-	p7.Spec.Priority = &priority
-
-	testCases := []struct {
-		description             string
-		maxPodsToEvict          int
-		pods                    []v1.Pod
-		expectedEvictedPodCount int
-	}{
-		{
-			description:             "Three pods in the `dev` Namespace, bound to same ReplicaSet. 2 should be evicted.",
-			maxPodsToEvict:          5,
-			pods:                    []v1.Pod{*p1, *p2, *p3},
-			expectedEvictedPodCount: 2,
-		},
-		{
-			description:             "Three Pods in the `test` Namespace, bound to same ReplicaSet. 2 should be evicted.",
-			maxPodsToEvict:          5,
-			pods:                    []v1.Pod{*p8, *p9, *p10},
-			expectedEvictedPodCount: 2,
-		},
-		{
-			description:             "Three Pods in the `dev` Namespace, three Pods in the `test` Namespace. Bound to ReplicaSet with same name. 4 should be evicted.",
-			maxPodsToEvict:          5,
-			pods:                    []v1.Pod{*p1, *p2, *p3, *p8, *p9, *p10},
-			expectedEvictedPodCount: 4,
-		},
-		{
-			description:             "Pods are: part of DaemonSet, with local storage, mirror pod annotation, critical pod annotation - none should be evicted.",
-			maxPodsToEvict:          2,
-			pods:                    []v1.Pod{*p4, *p5, *p6, *p7},
-			expectedEvictedPodCount: 0,
-		},
-		{
-			description:             "Test all Pods: 4 should be evicted.",
-			maxPodsToEvict:          5,
-			pods:                    []v1.Pod{*p1, *p2, *p3, *p4, *p5, *p6, *p7, *p8, *p9, *p10},
-			expectedEvictedPodCount: 4,
-		},
-	}
-
-	for _, testCase := range testCases {
-		fakeClient := &fake.Clientset{}
-		fakeClient.Fake.AddReactor("list", "pods", func(action core.Action) (bool, runtime.Object, error) {
-			return true, &v1.PodList{Items: testCase.pods}, nil
-		})
-		fakeClient.Fake.AddReactor("get", "nodes", func(action core.Action) (bool, runtime.Object, error) {
-			return true, node, nil
-		})
-		podEvictor := evictions.NewPodEvictor(
-			fakeClient,
-			"v1",
-			false,
-			testCase.maxPodsToEvict,
-			[]*v1.Node{node},
-		)
-
-		RemoveDuplicatePods(fakeClient, api.DeschedulerStrategy{}, []*v1.Node{node}, false, podEvictor)
-		podsEvicted := podEvictor.TotalEvicted()
-		if podsEvicted != testCase.expectedEvictedPodCount {
-			t.Errorf("Test error for description: %s. Expected evicted pods count %v, got %v", testCase.description, testCase.expectedEvictedPodCount, podsEvicted)
-		}
-	}
-
-}

pkg/descheduler/strategies/lownodeutilization.go

@@ -1,426 +0,0 @@
-/*
-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 strategies
-
-import (
-	"sort"
-
-	v1 "k8s.io/api/core/v1"
-	"k8s.io/apimachinery/pkg/api/resource"
-	clientset "k8s.io/client-go/kubernetes"
-	"k8s.io/klog"
-
-	"sigs.k8s.io/descheduler/pkg/api"
-	"sigs.k8s.io/descheduler/pkg/descheduler/evictions"
-	nodeutil "sigs.k8s.io/descheduler/pkg/descheduler/node"
-	podutil "sigs.k8s.io/descheduler/pkg/descheduler/pod"
-	"sigs.k8s.io/descheduler/pkg/utils"
-)
-
-type NodeUsageMap struct {
-	node    *v1.Node
-	usage   api.ResourceThresholds
-	allPods []*v1.Pod
-}
-
-type NodePodsMap map[*v1.Node][]*v1.Pod
-
-func LowNodeUtilization(client clientset.Interface, strategy api.DeschedulerStrategy, nodes []*v1.Node, evictLocalStoragePods bool, podEvictor *evictions.PodEvictor) {
-	if !strategy.Enabled {
-		return
-	}
-	// todo: move to config validation?
-	// TODO: May be create a struct for the strategy as well, so that we don't have to pass along the all the params?
-	if strategy.Params.NodeResourceUtilizationThresholds == nil {
-		klog.V(1).Infof("NodeResourceUtilizationThresholds not set")
-		return
-	}
-
-	thresholds := strategy.Params.NodeResourceUtilizationThresholds.Thresholds
-	if !validateThresholds(thresholds) {
-		return
-	}
-	targetThresholds := strategy.Params.NodeResourceUtilizationThresholds.TargetThresholds
-	if !validateTargetThresholds(targetThresholds) {
-		return
-	}
-
-	npm := createNodePodsMap(client, nodes)
-	lowNodes, targetNodes := classifyNodes(npm, thresholds, targetThresholds, evictLocalStoragePods)
-
-	klog.V(1).Infof("Criteria for a node under utilization: CPU: %v, Mem: %v, Pods: %v",
-		thresholds[v1.ResourceCPU], thresholds[v1.ResourceMemory], thresholds[v1.ResourcePods])
-
-	if len(lowNodes) == 0 {
-		klog.V(1).Infof("No node is underutilized, nothing to do here, you might tune your thresholds further")
-		return
-	}
-	klog.V(1).Infof("Total number of underutilized nodes: %v", len(lowNodes))
-
-	if len(lowNodes) < strategy.Params.NodeResourceUtilizationThresholds.NumberOfNodes {
-		klog.V(1).Infof("number of nodes underutilized (%v) is less than NumberOfNodes (%v), nothing to do here", len(lowNodes), strategy.Params.NodeResourceUtilizationThresholds.NumberOfNodes)
-		return
-	}
-
-	if len(lowNodes) == len(nodes) {
-		klog.V(1).Infof("all nodes are underutilized, nothing to do here")
-		return
-	}
-
-	if len(targetNodes) == 0 {
-		klog.V(1).Infof("all nodes are under target utilization, nothing to do here")
-		return
-	}
-
-	klog.V(1).Infof("Criteria for a node above target utilization: CPU: %v, Mem: %v, Pods: %v",
-		targetThresholds[v1.ResourceCPU], targetThresholds[v1.ResourceMemory], targetThresholds[v1.ResourcePods])
-	klog.V(1).Infof("Total number of nodes above target utilization: %v", len(targetNodes))
-
-	evictPodsFromTargetNodes(
-		targetNodes,
-		lowNodes,
-		targetThresholds,
-		evictLocalStoragePods,
-		podEvictor)
-
-	klog.V(1).Infof("Total number of pods evicted: %v", podEvictor.TotalEvicted())
-}
-
-func validateThresholds(thresholds api.ResourceThresholds) bool {
-	if thresholds == nil || len(thresholds) == 0 {
-		klog.V(1).Infof("no resource threshold is configured")
-		return false
-	}
-	for name := range thresholds {
-		switch name {
-		case v1.ResourceCPU:
-			continue
-		case v1.ResourceMemory:
-			continue
-		case v1.ResourcePods:
-			continue
-		default:
-			klog.Errorf("only cpu, memory, or pods thresholds can be specified")
-			return false
-		}
-	}
-	return true
-}
-
-//This function could be merged into above once we are clear.
-func validateTargetThresholds(targetThresholds api.ResourceThresholds) bool {
-	if targetThresholds == nil {
-		klog.V(1).Infof("no target resource threshold is configured")
-		return false
-	} else if _, ok := targetThresholds[v1.ResourcePods]; !ok {
-		klog.V(1).Infof("no target resource threshold for pods is configured")
-		return false
-	}
-	return true
-}
-
-// classifyNodes classifies the nodes into low-utilization or high-utilization nodes. If a node lies between
-// low and high thresholds, it is simply ignored.
-func classifyNodes(npm NodePodsMap, thresholds api.ResourceThresholds, targetThresholds api.ResourceThresholds, evictLocalStoragePods bool) ([]NodeUsageMap, []NodeUsageMap) {
-	lowNodes, targetNodes := []NodeUsageMap{}, []NodeUsageMap{}
-	for node, pods := range npm {
-		usage := nodeUtilization(node, pods, evictLocalStoragePods)
-		nuMap := NodeUsageMap{
-			node:    node,
-			usage:   usage,
-			allPods: pods,
-		}
-		// Check if node is underutilized and if we can schedule pods on it.
-		if !nodeutil.IsNodeUnschedulable(node) && IsNodeWithLowUtilization(usage, thresholds) {
-			klog.V(2).Infof("Node %#v is under utilized with usage: %#v", node.Name, usage)
-			lowNodes = append(lowNodes, nuMap)
-		} else if IsNodeAboveTargetUtilization(usage, targetThresholds) {
-			klog.V(2).Infof("Node %#v is over utilized with usage: %#v", node.Name, usage)
-			targetNodes = append(targetNodes, nuMap)
-		} else {
-			klog.V(2).Infof("Node %#v is appropriately utilized with usage: %#v", node.Name, usage)
-		}
-	}
-	return lowNodes, targetNodes
-}
-
-// evictPodsFromTargetNodes evicts pods based on priority, if all the pods on the node have priority, if not
-// evicts them based on QoS as fallback option.
-// TODO: @ravig Break this function into smaller functions.
-func evictPodsFromTargetNodes(
-	targetNodes, lowNodes []NodeUsageMap,
-	targetThresholds api.ResourceThresholds,
-	evictLocalStoragePods bool,
-	podEvictor *evictions.PodEvictor,
-) {
-
-	SortNodesByUsage(targetNodes)
-
-	// upper bound on total number of pods/cpu/memory to be moved
-	var totalPods, totalCPU, totalMem float64
-	var taintsOfLowNodes = make(map[string][]v1.Taint, len(lowNodes))
-	for _, node := range lowNodes {
-		taintsOfLowNodes[node.node.Name] = node.node.Spec.Taints
-		nodeCapacity := node.node.Status.Capacity
-		if len(node.node.Status.Allocatable) > 0 {
-			nodeCapacity = node.node.Status.Allocatable
-		}
-		// totalPods to be moved
-		podsPercentage := targetThresholds[v1.ResourcePods] - node.usage[v1.ResourcePods]
-		totalPods += ((float64(podsPercentage) * float64(nodeCapacity.Pods().Value())) / 100)
-
-		// totalCPU capacity to be moved
-		if _, ok := targetThresholds[v1.ResourceCPU]; ok {
-			cpuPercentage := targetThresholds[v1.ResourceCPU] - node.usage[v1.ResourceCPU]
-			totalCPU += ((float64(cpuPercentage) * float64(nodeCapacity.Cpu().MilliValue())) / 100)
-		}
-
-		// totalMem capacity to be moved
-		if _, ok := targetThresholds[v1.ResourceMemory]; ok {
-			memPercentage := targetThresholds[v1.ResourceMemory] - node.usage[v1.ResourceMemory]
-			totalMem += ((float64(memPercentage) * float64(nodeCapacity.Memory().Value())) / 100)
-		}
-	}
-
-	klog.V(1).Infof("Total capacity to be moved: CPU:%v, Mem:%v, Pods:%v", totalCPU, totalMem, totalPods)
-	klog.V(1).Infof("********Number of pods evicted from each node:***********")
-
-	for _, node := range targetNodes {
-		nodeCapacity := node.node.Status.Capacity
-		if len(node.node.Status.Allocatable) > 0 {
-			nodeCapacity = node.node.Status.Allocatable
-		}
-		klog.V(3).Infof("evicting pods from node %#v with usage: %#v", node.node.Name, node.usage)
-
-		nonRemovablePods, bestEffortPods, burstablePods, guaranteedPods := classifyPods(node.allPods, evictLocalStoragePods)
-		klog.V(2).Infof("allPods:%v, nonRemovablePods:%v, bestEffortPods:%v, burstablePods:%v, guaranteedPods:%v", len(node.allPods), len(nonRemovablePods), len(bestEffortPods), len(burstablePods), len(guaranteedPods))
-
-		// Check if one pod has priority, if yes, assume that all pods have priority and evict pods based on priority.
-		if node.allPods[0].Spec.Priority != nil {
-			klog.V(1).Infof("All pods have priority associated with them. Evicting pods based on priority")
-			evictablePods := make([]*v1.Pod, 0)
-			evictablePods = append(append(burstablePods, bestEffortPods...), guaranteedPods...)
-
-			// sort the evictable Pods based on priority. This also sorts them based on QoS. If there are multiple pods with same priority, they are sorted based on QoS tiers.
-			sortPodsBasedOnPriority(evictablePods)
-			evictPods(evictablePods, targetThresholds, nodeCapacity, node.usage, &totalPods, &totalCPU, &totalMem, taintsOfLowNodes, podEvictor, node.node)
-		} else {
-			// TODO: Remove this when we support only priority.
-			//  Falling back to evicting pods based on priority.
-			klog.V(1).Infof("Evicting pods based on QoS")
-			klog.V(1).Infof("There are %v non-evictable pods on the node", len(nonRemovablePods))
-			// evict best effort pods
-			evictPods(bestEffortPods, targetThresholds, nodeCapacity, node.usage, &totalPods, &totalCPU, &totalMem, taintsOfLowNodes, podEvictor, node.node)
-			// evict burstable pods
-			evictPods(burstablePods, targetThresholds, nodeCapacity, node.usage, &totalPods, &totalCPU, &totalMem, taintsOfLowNodes, podEvictor, node.node)
-			// evict guaranteed pods
-			evictPods(guaranteedPods, targetThresholds, nodeCapacity, node.usage, &totalPods, &totalCPU, &totalMem, taintsOfLowNodes, podEvictor, node.node)
-		}
-		klog.V(1).Infof("%v pods evicted from node %#v with usage %v", podEvictor.NodeEvicted(node.node), node.node.Name, node.usage)
-	}
-}
-
-func evictPods(inputPods []*v1.Pod,
-	targetThresholds api.ResourceThresholds,
-	nodeCapacity v1.ResourceList,
-	nodeUsage api.ResourceThresholds,
-	totalPods *float64,
-	totalCPU *float64,
-	totalMem *float64,
-	taintsOfLowNodes map[string][]v1.Taint,
-	podEvictor *evictions.PodEvictor,
-	node *v1.Node) {
-	if IsNodeAboveTargetUtilization(nodeUsage, targetThresholds) && (*totalPods > 0 || *totalCPU > 0 || *totalMem > 0) {
-		onePodPercentage := api.Percentage((float64(1) * 100) / float64(nodeCapacity.Pods().Value()))
-		for _, pod := range inputPods {
-			if !utils.PodToleratesTaints(pod, taintsOfLowNodes) {
-				klog.V(3).Infof("Skipping eviction for Pod: %#v, doesn't tolerate node taint", pod.Name)
-				continue
-			}
-
-			cUsage := utils.GetResourceRequest(pod, v1.ResourceCPU)
-			mUsage := utils.GetResourceRequest(pod, v1.ResourceMemory)
-
-			success, err := podEvictor.EvictPod(pod, node)
-			if err != nil {
-				break
-			}
-
-			if success {
-				klog.V(3).Infof("Evicted pod: %#v", pod.Name)
-				// update remaining pods
-				nodeUsage[v1.ResourcePods] -= onePodPercentage
-				*totalPods--
-
-				// update remaining cpu
-				*totalCPU -= float64(cUsage)
-				nodeUsage[v1.ResourceCPU] -= api.Percentage((float64(cUsage) * 100) / float64(nodeCapacity.Cpu().MilliValue()))
-
-				// update remaining memory
-				*totalMem -= float64(mUsage)
-				nodeUsage[v1.ResourceMemory] -= api.Percentage(float64(mUsage) / float64(nodeCapacity.Memory().Value()) * 100)
-
-				klog.V(3).Infof("updated node usage: %#v", nodeUsage)
-				// check if node utilization drops below target threshold or required capacity (cpu, memory, pods) is moved
-				if !IsNodeAboveTargetUtilization(nodeUsage, targetThresholds) || (*totalPods <= 0 && *totalCPU <= 0 && *totalMem <= 0) {
-					break
-				}
-			}
-		}
-	}
-}
-
-func SortNodesByUsage(nodes []NodeUsageMap) {
-	sort.Slice(nodes, func(i, j int) bool {
-		var ti, tj api.Percentage
-		for name, value := range nodes[i].usage {
-			if name == v1.ResourceCPU || name == v1.ResourceMemory || name == v1.ResourcePods {
-				ti += value
-			}
-		}
-		for name, value := range nodes[j].usage {
-			if name == v1.ResourceCPU || name == v1.ResourceMemory || name == v1.ResourcePods {
-				tj += value
-			}
-		}
-		// To return sorted in descending order
-		return ti > tj
-	})
-}
-
-// sortPodsBasedOnPriority sorts pods based on priority and if their priorities are equal, they are sorted based on QoS tiers.
-func sortPodsBasedOnPriority(evictablePods []*v1.Pod) {
-	sort.Slice(evictablePods, func(i, j int) bool {
-		if evictablePods[i].Spec.Priority == nil && evictablePods[j].Spec.Priority != nil {
-			return true
-		}
-		if evictablePods[j].Spec.Priority == nil && evictablePods[i].Spec.Priority != nil {
-			return false
-		}
-		if (evictablePods[j].Spec.Priority == nil && evictablePods[i].Spec.Priority == nil) || (*evictablePods[i].Spec.Priority == *evictablePods[j].Spec.Priority) {
-			if podutil.IsBestEffortPod(evictablePods[i]) {
-				return true
-			}
-			if podutil.IsBurstablePod(evictablePods[i]) && podutil.IsGuaranteedPod(evictablePods[j]) {
-				return true
-			}
-			return false
-		}
-		return *evictablePods[i].Spec.Priority < *evictablePods[j].Spec.Priority
-	})
-}
-
-// createNodePodsMap returns nodepodsmap with evictable pods on node.
-func createNodePodsMap(client clientset.Interface, nodes []*v1.Node) NodePodsMap {
-	npm := NodePodsMap{}
-	for _, node := range nodes {
-		pods, err := podutil.ListPodsOnANode(client, node)
-		if err != nil {
-			klog.Warningf("node %s will not be processed, error in accessing its pods (%#v)", node.Name, err)
-		} else {
-			npm[node] = pods
-		}
-	}
-	return npm
-}
-
-func IsNodeAboveTargetUtilization(nodeThresholds api.ResourceThresholds, thresholds api.ResourceThresholds) bool {
-	for name, nodeValue := range nodeThresholds {
-		if name == v1.ResourceCPU || name == v1.ResourceMemory || name == v1.ResourcePods {
-			if value, ok := thresholds[name]; !ok {
-				continue
-			} else if nodeValue > value {
-				return true
-			}
-		}
-	}
-	return false
-}
-
-func IsNodeWithLowUtilization(nodeThresholds api.ResourceThresholds, thresholds api.ResourceThresholds) bool {
-	for name, nodeValue := range nodeThresholds {
-		if name == v1.ResourceCPU || name == v1.ResourceMemory || name == v1.ResourcePods {
-			if value, ok := thresholds[name]; !ok {
-				continue
-			} else if nodeValue > value {
-				return false
-			}
-		}
-	}
-	return true
-}
-
-func nodeUtilization(node *v1.Node, pods []*v1.Pod, evictLocalStoragePods bool) api.ResourceThresholds {
-	totalReqs := map[v1.ResourceName]*resource.Quantity{
-		v1.ResourceCPU:    {},
-		v1.ResourceMemory: {},
-	}
-	for _, pod := range pods {
-		req, _ := utils.PodRequestsAndLimits(pod)
-		for name, quantity := range req {
-			if name == v1.ResourceCPU || name == v1.ResourceMemory {
-				// As Quantity.Add says: Add adds the provided y quantity to the current value. If the current value is zero,
-				// the format of the quantity will be updated to the format of y.
-				totalReqs[name].Add(quantity)
-			}
-		}
-	}
-
-	nodeCapacity := node.Status.Capacity
-	if len(node.Status.Allocatable) > 0 {
-		nodeCapacity = node.Status.Allocatable
-	}
-
-	totalPods := len(pods)
-	return api.ResourceThresholds{
-		v1.ResourceCPU:    api.Percentage((float64(totalReqs[v1.ResourceCPU].MilliValue()) * 100) / float64(nodeCapacity.Cpu().MilliValue())),
-		v1.ResourceMemory: api.Percentage(float64(totalReqs[v1.ResourceMemory].Value()) / float64(nodeCapacity.Memory().Value()) * 100),
-		v1.ResourcePods:   api.Percentage((float64(totalPods) * 100) / float64(nodeCapacity.Pods().Value())),
-	}
-}
-
-func classifyPods(pods []*v1.Pod, evictLocalStoragePods bool) ([]*v1.Pod, []*v1.Pod, []*v1.Pod, []*v1.Pod) {
-	var nonRemovablePods, bestEffortPods, burstablePods, guaranteedPods []*v1.Pod
-
-	// From https://kubernetes.io/docs/tasks/configure-pod-container/quality-service-pod/
-	//
-	// For a Pod to be given a QoS class of Guaranteed:
-	// - every Container in the Pod must have a memory limit and a memory request, and they must be the same.
-	// - every Container in the Pod must have a CPU limit and a CPU request, and they must be the same.
-	// A Pod is given a QoS class of Burstable if:
-	// - the Pod does not meet the criteria for QoS class Guaranteed.
-	// - at least one Container in the Pod has a memory or CPU request.
-	// For a Pod to be given a QoS class of BestEffort, the Containers in the Pod must not have any memory or CPU limits or requests.
-
-	for _, pod := range pods {
-		if !podutil.IsEvictable(pod, evictLocalStoragePods) {
-			nonRemovablePods = append(nonRemovablePods, pod)
-			continue
-		}
-
-		switch utils.GetPodQOS(pod) {
-		case v1.PodQOSGuaranteed:
-			guaranteedPods = append(guaranteedPods, pod)
-		case v1.PodQOSBurstable:
-			burstablePods = append(burstablePods, pod)
-		default: // alias v1.PodQOSBestEffort
-			bestEffortPods = append(bestEffortPods, pod)
-		}
-	}
-
-	return nonRemovablePods, bestEffortPods, burstablePods, guaranteedPods
-}

pkg/descheduler/strategies/lownodeutilization_test.go

@@ -1,639 +0,0 @@
-/*
-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 strategies
-
-import (
-	"fmt"
-	"strings"
-	"testing"
-
-	"reflect"
-
-	v1 "k8s.io/api/core/v1"
-	"k8s.io/api/policy/v1beta1"
-	"k8s.io/apimachinery/pkg/api/resource"
-	"k8s.io/apimachinery/pkg/fields"
-	"k8s.io/apimachinery/pkg/runtime"
-	"k8s.io/apimachinery/pkg/runtime/schema"
-	serializer "k8s.io/apimachinery/pkg/runtime/serializer"
-	"k8s.io/apimachinery/pkg/watch"
-	"k8s.io/client-go/kubernetes/fake"
-	core "k8s.io/client-go/testing"
-	"sigs.k8s.io/descheduler/pkg/api"
-	"sigs.k8s.io/descheduler/pkg/descheduler/evictions"
-	"sigs.k8s.io/descheduler/pkg/utils"
-	"sigs.k8s.io/descheduler/test"
-)
-
-var (
-	lowPriority  = int32(0)
-	highPriority = int32(10000)
-)
-
-func setRSOwnerRef(pod *v1.Pod)          { pod.ObjectMeta.OwnerReferences = test.GetReplicaSetOwnerRefList() }
-func setDSOwnerRef(pod *v1.Pod)          { pod.ObjectMeta.OwnerReferences = test.GetDaemonSetOwnerRefList() }
-func setNormalOwnerRef(pod *v1.Pod)      { pod.ObjectMeta.OwnerReferences = test.GetNormalPodOwnerRefList() }
-func setHighPriority(pod *v1.Pod)        { pod.Spec.Priority = &highPriority }
-func setLowPriority(pod *v1.Pod)         { pod.Spec.Priority = &lowPriority }
-func setNodeUnschedulable(node *v1.Node) { node.Spec.Unschedulable = true }
-
-func makeBestEffortPod(pod *v1.Pod) {
-	pod.Spec.Containers[0].Resources.Requests = nil
-	pod.Spec.Containers[0].Resources.Requests = nil
-	pod.Spec.Containers[0].Resources.Limits = nil
-	pod.Spec.Containers[0].Resources.Limits = nil
-}
-
-func makeBurstablePod(pod *v1.Pod) {
-	pod.Spec.Containers[0].Resources.Limits = nil
-	pod.Spec.Containers[0].Resources.Limits = nil
-}
-
-func makeGuaranteedPod(pod *v1.Pod) {
-	pod.Spec.Containers[0].Resources.Limits[v1.ResourceCPU] = pod.Spec.Containers[0].Resources.Requests[v1.ResourceCPU]
-	pod.Spec.Containers[0].Resources.Limits[v1.ResourceMemory] = pod.Spec.Containers[0].Resources.Requests[v1.ResourceMemory]
-}
-
-func TestLowNodeUtilization(t *testing.T) {
-	n1NodeName := "n1"
-	n2NodeName := "n2"
-	n3NodeName := "n3"
-
-	testCases := []struct {
-		name                         string
-		thresholds, targetThresholds api.ResourceThresholds
-		nodes                        map[string]*v1.Node
-		pods                         map[string]*v1.PodList
-		expectedPodsEvicted          int
-		evictedPods                  []string
-	}{
-		{
-			name: "without priorities",
-			thresholds: api.ResourceThresholds{
-				v1.ResourceCPU:  30,
-				v1.ResourcePods: 30,
-			},
-			targetThresholds: api.ResourceThresholds{
-				v1.ResourceCPU:  50,
-				v1.ResourcePods: 50,
-			},
-			nodes: map[string]*v1.Node{
-				n1NodeName: test.BuildTestNode(n1NodeName, 4000, 3000, 9, nil),
-				n2NodeName: test.BuildTestNode(n2NodeName, 4000, 3000, 10, nil),
-				n3NodeName: test.BuildTestNode(n3NodeName, 4000, 3000, 10, setNodeUnschedulable),
-			},
-			pods: map[string]*v1.PodList{
-				n1NodeName: {
-					Items: []v1.Pod{
-						*test.BuildTestPod("p1", 400, 0, n1NodeName, setRSOwnerRef),
-						*test.BuildTestPod("p2", 400, 0, n1NodeName, setRSOwnerRef),
-						*test.BuildTestPod("p3", 400, 0, n1NodeName, setRSOwnerRef),
-						*test.BuildTestPod("p4", 400, 0, n1NodeName, setRSOwnerRef),
-						*test.BuildTestPod("p5", 400, 0, n1NodeName, setRSOwnerRef),
-						// These won't be evicted.
-						*test.BuildTestPod("p6", 400, 0, n1NodeName, setDSOwnerRef),
-						*test.BuildTestPod("p7", 400, 0, n1NodeName, func(pod *v1.Pod) {
-							// A pod with local storage.
-							setNormalOwnerRef(pod)
-							pod.Spec.Volumes = []v1.Volume{
-								{
-									Name: "sample",
-									VolumeSource: v1.VolumeSource{
-										HostPath: &v1.HostPathVolumeSource{Path: "somePath"},
-										EmptyDir: &v1.EmptyDirVolumeSource{
-											SizeLimit: resource.NewQuantity(int64(10), resource.BinarySI)},
-									},
-								},
-							}
-							// A Mirror Pod.
-							pod.Annotations = test.GetMirrorPodAnnotation()
-						}),
-						*test.BuildTestPod("p8", 400, 0, n1NodeName, func(pod *v1.Pod) {
-							// A Critical Pod.
-							pod.Namespace = "kube-system"
-							priority := utils.SystemCriticalPriority
-							pod.Spec.Priority = &priority
-						}),
-					},
-				},
-				n2NodeName: {
-					Items: []v1.Pod{
-						*test.BuildTestPod("p9", 400, 0, n1NodeName, setRSOwnerRef),
-					},
-				},
-				n3NodeName: {},
-			},
-			expectedPodsEvicted: 3,
-		},
-		{
-			name: "with priorities",
-			thresholds: api.ResourceThresholds{
-				v1.ResourceCPU:  30,
-				v1.ResourcePods: 30,
-			},
-			targetThresholds: api.ResourceThresholds{
-				v1.ResourceCPU:  50,
-				v1.ResourcePods: 50,
-			},
-			nodes: map[string]*v1.Node{
-				n1NodeName: test.BuildTestNode(n1NodeName, 4000, 3000, 9, nil),
-				n2NodeName: test.BuildTestNode(n2NodeName, 4000, 3000, 10, nil),
-				n3NodeName: test.BuildTestNode(n3NodeName, 4000, 3000, 10, setNodeUnschedulable),
-			},
-			pods: map[string]*v1.PodList{
-				n1NodeName: {
-					Items: []v1.Pod{
-						*test.BuildTestPod("p1", 400, 0, n1NodeName, func(pod *v1.Pod) {
-							setRSOwnerRef(pod)
-							setHighPriority(pod)
-						}),
-						*test.BuildTestPod("p2", 400, 0, n1NodeName, func(pod *v1.Pod) {
-							setRSOwnerRef(pod)
-							setHighPriority(pod)
-						}),
-						*test.BuildTestPod("p3", 400, 0, n1NodeName, func(pod *v1.Pod) {
-							setRSOwnerRef(pod)
-							setHighPriority(pod)
-						}),
-						*test.BuildTestPod("p4", 400, 0, n1NodeName, func(pod *v1.Pod) {
-							setRSOwnerRef(pod)
-							setHighPriority(pod)
-						}),
-						*test.BuildTestPod("p5", 400, 0, n1NodeName, func(pod *v1.Pod) {
-							setRSOwnerRef(pod)
-							setLowPriority(pod)
-						}),
-						// These won't be evicted.
-						*test.BuildTestPod("p6", 400, 0, n1NodeName, func(pod *v1.Pod) {
-							setDSOwnerRef(pod)
-							setHighPriority(pod)
-						}),
-						*test.BuildTestPod("p7", 400, 0, n1NodeName, func(pod *v1.Pod) {
-							// A pod with local storage.
-							setNormalOwnerRef(pod)
-							setLowPriority(pod)
-							pod.Spec.Volumes = []v1.Volume{
-								{
-									Name: "sample",
-									VolumeSource: v1.VolumeSource{
-										HostPath: &v1.HostPathVolumeSource{Path: "somePath"},
-										EmptyDir: &v1.EmptyDirVolumeSource{
-											SizeLimit: resource.NewQuantity(int64(10), resource.BinarySI)},
-									},
-								},
-							}
-							// A Mirror Pod.
-							pod.Annotations = test.GetMirrorPodAnnotation()
-						}),
-						*test.BuildTestPod("p8", 400, 0, n1NodeName, func(pod *v1.Pod) {
-							// A Critical Pod.
-							pod.Namespace = "kube-system"
-							priority := utils.SystemCriticalPriority
-							pod.Spec.Priority = &priority
-						}),
-					},
-				},
-				n2NodeName: {
-					Items: []v1.Pod{
-						*test.BuildTestPod("p9", 400, 0, n1NodeName, setRSOwnerRef),
-					},
-				},
-				n3NodeName: {},
-			},
-			expectedPodsEvicted: 3,
-		},
-		{
-			name: "without priorities evicting best-effort pods only",
-			thresholds: api.ResourceThresholds{
-				v1.ResourceCPU:  30,
-				v1.ResourcePods: 30,
-			},
-			targetThresholds: api.ResourceThresholds{
-				v1.ResourceCPU:  50,
-				v1.ResourcePods: 50,
-			},
-			nodes: map[string]*v1.Node{
-				n1NodeName: test.BuildTestNode(n1NodeName, 4000, 3000, 9, nil),
-				n2NodeName: test.BuildTestNode(n2NodeName, 4000, 3000, 10, nil),
-				n3NodeName: test.BuildTestNode(n3NodeName, 4000, 3000, 10, setNodeUnschedulable),
-			},
-			// All pods are assumed to be burstable (test.BuildTestNode always sets both cpu/memory resource requests to some value)
-			pods: map[string]*v1.PodList{
-				n1NodeName: {
-					Items: []v1.Pod{
-						*test.BuildTestPod("p1", 400, 0, n1NodeName, func(pod *v1.Pod) {
-							setRSOwnerRef(pod)
-							makeBestEffortPod(pod)
-						}),
-						*test.BuildTestPod("p2", 400, 0, n1NodeName, func(pod *v1.Pod) {
-							setRSOwnerRef(pod)
-							makeBestEffortPod(pod)
-						}),
-						*test.BuildTestPod("p3", 400, 0, n1NodeName, func(pod *v1.Pod) {
-							setRSOwnerRef(pod)
-						}),
-						*test.BuildTestPod("p4", 400, 0, n1NodeName, func(pod *v1.Pod) {
-							setRSOwnerRef(pod)
-							makeBestEffortPod(pod)
-						}),
-						*test.BuildTestPod("p5", 400, 0, n1NodeName, func(pod *v1.Pod) {
-							setRSOwnerRef(pod)
-							makeBestEffortPod(pod)
-						}),
-						// These won't be evicted.
-						*test.BuildTestPod("p6", 400, 0, n1NodeName, func(pod *v1.Pod) {
-							setDSOwnerRef(pod)
-						}),
-						*test.BuildTestPod("p7", 400, 0, n1NodeName, func(pod *v1.Pod) {
-							// A pod with local storage.
-							setNormalOwnerRef(pod)
-							pod.Spec.Volumes = []v1.Volume{
-								{
-									Name: "sample",
-									VolumeSource: v1.VolumeSource{
-										HostPath: &v1.HostPathVolumeSource{Path: "somePath"},
-										EmptyDir: &v1.EmptyDirVolumeSource{
-											SizeLimit: resource.NewQuantity(int64(10), resource.BinarySI)},
-									},
-								},
-							}
-							// A Mirror Pod.
-							pod.Annotations = test.GetMirrorPodAnnotation()
-						}),
-						*test.BuildTestPod("p8", 400, 0, n1NodeName, func(pod *v1.Pod) {
-							// A Critical Pod.
-							pod.Namespace = "kube-system"
-							priority := utils.SystemCriticalPriority
-							pod.Spec.Priority = &priority
-						}),
-					},
-				},
-				n2NodeName: {
-					Items: []v1.Pod{
-						*test.BuildTestPod("p9", 400, 0, n1NodeName, setRSOwnerRef),
-					},
-				},
-				n3NodeName: {},
-			},
-			expectedPodsEvicted: 4,
-			evictedPods:         []string{"p1", "p2", "p4", "p5"},
-		},
-	}
-
-	for _, test := range testCases {
-		t.Run(test.name, func(t *testing.T) {
-			fakeClient := &fake.Clientset{}
-			fakeClient.Fake.AddReactor("list", "pods", func(action core.Action) (bool, runtime.Object, error) {
-				list := action.(core.ListAction)
-				fieldString := list.GetListRestrictions().Fields.String()
-				if strings.Contains(fieldString, n1NodeName) {
-					return true, test.pods[n1NodeName], nil
-				}
-				if strings.Contains(fieldString, n2NodeName) {
-					return true, test.pods[n2NodeName], nil
-				}
-				if strings.Contains(fieldString, n3NodeName) {
-					return true, test.pods[n3NodeName], nil
-				}
-				return true, nil, fmt.Errorf("Failed to list: %v", list)
-			})
-			fakeClient.Fake.AddReactor("get", "nodes", func(action core.Action) (bool, runtime.Object, error) {
-				getAction := action.(core.GetAction)
-				if node, exists := test.nodes[getAction.GetName()]; exists {
-					return true, node, nil
-				}
-				return true, nil, fmt.Errorf("Wrong node: %v", getAction.GetName())
-			})
-			podsForEviction := make(map[string]struct{})
-			for _, pod := range test.evictedPods {
-				podsForEviction[pod] = struct{}{}
-			}
-
-			evictionFailed := false
-			if len(test.evictedPods) > 0 {
-				fakeClient.Fake.AddReactor("create", "pods", func(action core.Action) (bool, runtime.Object, error) {
-					getAction := action.(core.CreateAction)
-					obj := getAction.GetObject()
-					if eviction, ok := obj.(*v1beta1.Eviction); ok {
-						if _, exists := podsForEviction[eviction.Name]; exists {
-							return true, obj, nil
-						}
-						evictionFailed = true
-						return true, nil, fmt.Errorf("pod %q was unexpectedly evicted", eviction.Name)
-					}
-					return true, obj, nil
-				})
-			}
-
-			var nodes []*v1.Node
-			for _, node := range test.nodes {
-				nodes = append(nodes, node)
-			}
-
-			npm := createNodePodsMap(fakeClient, nodes)
-			lowNodes, targetNodes := classifyNodes(npm, test.thresholds, test.targetThresholds, false)
-			if len(lowNodes) != 1 {
-				t.Errorf("After ignoring unschedulable nodes, expected only one node to be under utilized.")
-			}
-			podEvictor := evictions.NewPodEvictor(
-				fakeClient,
-				"v1",
-				false,
-				test.expectedPodsEvicted,
-				nodes,
-			)
-
-			evictPodsFromTargetNodes(targetNodes, lowNodes, test.targetThresholds, false, podEvictor)
-			podsEvicted := podEvictor.TotalEvicted()
-			if test.expectedPodsEvicted != podsEvicted {
-				t.Errorf("Expected %#v pods to be evicted but %#v got evicted", test.expectedPodsEvicted, podsEvicted)
-			}
-			if evictionFailed {
-				t.Errorf("Pod evictions failed unexpectedly")
-			}
-		})
-	}
-}
-
-func TestSortPodsByPriority(t *testing.T) {
-	n1 := test.BuildTestNode("n1", 4000, 3000, 9, nil)
-
-	p1 := test.BuildTestPod("p1", 400, 0, n1.Name, setLowPriority)
-
-	// BestEffort
-	p2 := test.BuildTestPod("p2", 400, 0, n1.Name, func(pod *v1.Pod) {
-		setHighPriority(pod)
-		makeBestEffortPod(pod)
-	})
-
-	// Burstable
-	p3 := test.BuildTestPod("p3", 400, 0, n1.Name, func(pod *v1.Pod) {
-		setHighPriority(pod)
-		makeBurstablePod(pod)
-	})
-
-	// Guaranteed
-	p4 := test.BuildTestPod("p4", 400, 100, n1.Name, func(pod *v1.Pod) {
-		setHighPriority(pod)
-		makeGuaranteedPod(pod)
-	})
-
-	// Best effort with nil priorities.
-	p5 := test.BuildTestPod("p5", 400, 100, n1.Name, makeBestEffortPod)
-	p5.Spec.Priority = nil
-
-	p6 := test.BuildTestPod("p6", 400, 100, n1.Name, makeGuaranteedPod)
-	p6.Spec.Priority = nil
-
-	podList := []*v1.Pod{p4, p3, p2, p1, p6, p5}
-
-	sortPodsBasedOnPriority(podList)
-	if !reflect.DeepEqual(podList[len(podList)-1], p4) {
-		t.Errorf("Expected last pod in sorted list to be %v which of highest priority and guaranteed but got %v", p4, podList[len(podList)-1])
-	}
-}
-
-func TestValidateThresholds(t *testing.T) {
-	tests := []struct {
-		name    string
-		input   api.ResourceThresholds
-		succeed bool
-	}{
-		{
-			name:    "passing nil map for threshold",
-			input:   nil,
-			succeed: false,
-		},
-		{
-			name:    "passing no threshold",
-			input:   api.ResourceThresholds{},
-			succeed: false,
-		},
-		{
-			name: "passing unsupported resource name",
-			input: api.ResourceThresholds{
-				v1.ResourceCPU:     40,
-				v1.ResourceStorage: 25.5,
-			},
-			succeed: false,
-		},
-		{
-			name: "passing invalid resource name",
-			input: api.ResourceThresholds{
-				v1.ResourceCPU: 40,
-				"coolResource": 42.0,
-			},
-			succeed: false,
-		},
-		{
-			name: "passing a valid threshold with cpu, memory and pods",
-			input: api.ResourceThresholds{
-				v1.ResourceCPU:    20,
-				v1.ResourceMemory: 30,
-				v1.ResourcePods:   40,
-			},
-			succeed: true,
-		},
-	}
-
-	for _, test := range tests {
-		isValid := validateThresholds(test.input)
-
-		if isValid != test.succeed {
-			t.Errorf("expected validity of threshold: %#v\nto be %v but got %v instead", test.input, test.succeed, isValid)
-		}
-	}
-}
-
-func newFake(objects ...runtime.Object) *core.Fake {
-	scheme := runtime.NewScheme()
-	codecs := serializer.NewCodecFactory(scheme)
-	fake.AddToScheme(scheme)
-	o := core.NewObjectTracker(scheme, codecs.UniversalDecoder())
-	for _, obj := range objects {
-		if err := o.Add(obj); err != nil {
-			panic(err)
-		}
-	}
-
-	fakePtr := core.Fake{}
-	fakePtr.AddReactor("list", "pods", func(action core.Action) (bool, runtime.Object, error) {
-		objs, err := o.List(
-			schema.GroupVersionResource{Group: "", Version: "v1", Resource: "pods"},
-			schema.GroupVersionKind{Group: "", Version: "v1", Kind: "Pod"},
-			action.GetNamespace(),
-		)
-		if err != nil {
-			return true, nil, err
-		}
-
-		obj := &v1.PodList{
-			Items: []v1.Pod{},
-		}
-		for _, pod := range objs.(*v1.PodList).Items {
-			podFieldSet := fields.Set(map[string]string{
-				"spec.nodeName": pod.Spec.NodeName,
-				"status.phase":  string(pod.Status.Phase),
-			})
-			match := action.(core.ListAction).GetListRestrictions().Fields.Matches(podFieldSet)
-			if !match {
-				continue
-			}
-			obj.Items = append(obj.Items, *pod.DeepCopy())
-		}
-		return true, obj, nil
-	})
-	fakePtr.AddReactor("*", "*", core.ObjectReaction(o))
-	fakePtr.AddWatchReactor("*", core.DefaultWatchReactor(watch.NewFake(), nil))
-
-	return &fakePtr
-}
-
-func TestWithTaints(t *testing.T) {
-	strategy := api.DeschedulerStrategy{
-		Enabled: true,
-		Params: api.StrategyParameters{
-			NodeResourceUtilizationThresholds: &api.NodeResourceUtilizationThresholds{
-				Thresholds: api.ResourceThresholds{
-					v1.ResourcePods: 20,
-				},
-				TargetThresholds: api.ResourceThresholds{
-					v1.ResourcePods: 70,
-				},
-			},
-		},
-	}
-
-	n1 := test.BuildTestNode("n1", 2000, 3000, 10, nil)
-	n2 := test.BuildTestNode("n2", 1000, 3000, 10, nil)
-	n3 := test.BuildTestNode("n3", 1000, 3000, 10, nil)
-	n3withTaints := n3.DeepCopy()
-	n3withTaints.Spec.Taints = []v1.Taint{
-		{
-			Key:    "key",
-			Value:  "value",
-			Effect: v1.TaintEffectNoSchedule,
-		},
-	}
-
-	podThatToleratesTaint := test.BuildTestPod("tolerate_pod", 200, 0, n1.Name, setRSOwnerRef)
-	podThatToleratesTaint.Spec.Tolerations = []v1.Toleration{
-		{
-			Key:   "key",
-			Value: "value",
-		},
-	}
-
-	tests := []struct {
-		name              string
-		nodes             []*v1.Node
-		pods              []*v1.Pod
-		evictionsExpected int
-	}{
-		{
-			name:  "No taints",
-			nodes: []*v1.Node{n1, n2, n3},
-			pods: []*v1.Pod{
-				//Node 1 pods
-				test.BuildTestPod(fmt.Sprintf("pod_1_%s", n1.Name), 200, 0, n1.Name, setRSOwnerRef),
-				test.BuildTestPod(fmt.Sprintf("pod_2_%s", n1.Name), 200, 0, n1.Name, setRSOwnerRef),
-				test.BuildTestPod(fmt.Sprintf("pod_3_%s", n1.Name), 200, 0, n1.Name, setRSOwnerRef),
-				test.BuildTestPod(fmt.Sprintf("pod_4_%s", n1.Name), 200, 0, n1.Name, setRSOwnerRef),
-				test.BuildTestPod(fmt.Sprintf("pod_5_%s", n1.Name), 200, 0, n1.Name, setRSOwnerRef),
-				test.BuildTestPod(fmt.Sprintf("pod_6_%s", n1.Name), 200, 0, n1.Name, setRSOwnerRef),
-				test.BuildTestPod(fmt.Sprintf("pod_7_%s", n1.Name), 200, 0, n1.Name, setRSOwnerRef),
-				test.BuildTestPod(fmt.Sprintf("pod_8_%s", n1.Name), 200, 0, n1.Name, setRSOwnerRef),
-				// Node 2 pods
-				test.BuildTestPod(fmt.Sprintf("pod_9_%s", n2.Name), 200, 0, n2.Name, setRSOwnerRef),
-			},
-			evictionsExpected: 1,
-		},
-		{
-			name:  "No pod tolerates node taint",
-			nodes: []*v1.Node{n1, n3withTaints},
-			pods: []*v1.Pod{
-				//Node 1 pods
-				test.BuildTestPod(fmt.Sprintf("pod_1_%s", n1.Name), 200, 0, n1.Name, setRSOwnerRef),
-				test.BuildTestPod(fmt.Sprintf("pod_2_%s", n1.Name), 200, 0, n1.Name, setRSOwnerRef),
-				test.BuildTestPod(fmt.Sprintf("pod_3_%s", n1.Name), 200, 0, n1.Name, setRSOwnerRef),
-				test.BuildTestPod(fmt.Sprintf("pod_4_%s", n1.Name), 200, 0, n1.Name, setRSOwnerRef),
-				test.BuildTestPod(fmt.Sprintf("pod_5_%s", n1.Name), 200, 0, n1.Name, setRSOwnerRef),
-				test.BuildTestPod(fmt.Sprintf("pod_6_%s", n1.Name), 200, 0, n1.Name, setRSOwnerRef),
-				test.BuildTestPod(fmt.Sprintf("pod_7_%s", n1.Name), 200, 0, n1.Name, setRSOwnerRef),
-				test.BuildTestPod(fmt.Sprintf("pod_8_%s", n1.Name), 200, 0, n1.Name, setRSOwnerRef),
-				// Node 3 pods
-				test.BuildTestPod(fmt.Sprintf("pod_9_%s", n3withTaints.Name), 200, 0, n3withTaints.Name, setRSOwnerRef),
-			},
-			evictionsExpected: 0,
-		},
-		{
-			name:  "Pod which tolerates node taint",
-			nodes: []*v1.Node{n1, n3withTaints},
-			pods: []*v1.Pod{
-				//Node 1 pods
-				test.BuildTestPod(fmt.Sprintf("pod_1_%s", n1.Name), 200, 0, n1.Name, setRSOwnerRef),
-				test.BuildTestPod(fmt.Sprintf("pod_2_%s", n1.Name), 200, 0, n1.Name, setRSOwnerRef),
-				test.BuildTestPod(fmt.Sprintf("pod_3_%s", n1.Name), 200, 0, n1.Name, setRSOwnerRef),
-				test.BuildTestPod(fmt.Sprintf("pod_4_%s", n1.Name), 200, 0, n1.Name, setRSOwnerRef),
-				test.BuildTestPod(fmt.Sprintf("pod_5_%s", n1.Name), 200, 0, n1.Name, setRSOwnerRef),
-				test.BuildTestPod(fmt.Sprintf("pod_6_%s", n1.Name), 200, 0, n1.Name, setRSOwnerRef),
-				test.BuildTestPod(fmt.Sprintf("pod_7_%s", n1.Name), 200, 0, n1.Name, setRSOwnerRef),
-				podThatToleratesTaint,
-				// Node 3 pods
-				test.BuildTestPod(fmt.Sprintf("pod_9_%s", n3withTaints.Name), 200, 0, n3withTaints.Name, setRSOwnerRef),
-			},
-			evictionsExpected: 1,
-		},
-	}
-
-	for _, item := range tests {
-		t.Run(item.name, func(t *testing.T) {
-			var objs []runtime.Object
-			for _, node := range item.nodes {
-				objs = append(objs, node)
-			}
-
-			for _, pod := range item.pods {
-				objs = append(objs, pod)
-			}
-
-			fakePtr := newFake(objs...)
-			var evictionCounter int
-			fakePtr.PrependReactor("create", "pods", func(action core.Action) (bool, runtime.Object, error) {
-				if action.GetSubresource() != "eviction" || action.GetResource().Resource != "pods" {
-					return false, nil, nil
-				}
-				evictionCounter++
-				return true, nil, nil
-			})
-
-			podEvictor := evictions.NewPodEvictor(
-				&fake.Clientset{Fake: *fakePtr},
-				"policy/v1",
-				false,
-				item.evictionsExpected,
-				item.nodes,
-			)
-
-			LowNodeUtilization(&fake.Clientset{Fake: *fakePtr}, strategy, item.nodes, false, podEvictor)
-
-			if item.evictionsExpected != evictionCounter {
-				t.Errorf("Expected %v evictions, got %v", item.evictionsExpected, evictionCounter)
-			}
-		})
-	}
-}

pkg/descheduler/strategies/node_affinity.go

@@ -1,60 +0,0 @@
-/*
-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 strategies
-
-import (
-	"k8s.io/api/core/v1"
-	clientset "k8s.io/client-go/kubernetes"
-	"k8s.io/klog"
-
-	"sigs.k8s.io/descheduler/pkg/api"
-	"sigs.k8s.io/descheduler/pkg/descheduler/evictions"
-	nodeutil "sigs.k8s.io/descheduler/pkg/descheduler/node"
-	podutil "sigs.k8s.io/descheduler/pkg/descheduler/pod"
-)
-
-func RemovePodsViolatingNodeAffinity(client clientset.Interface, strategy api.DeschedulerStrategy, nodes []*v1.Node, evictLocalStoragePods bool, podEvictor *evictions.PodEvictor) {
-	for _, nodeAffinity := range strategy.Params.NodeAffinityType {
-		klog.V(2).Infof("Executing for nodeAffinityType: %v", nodeAffinity)
-
-		switch nodeAffinity {
-		case "requiredDuringSchedulingIgnoredDuringExecution":
-			for _, node := range nodes {
-				klog.V(1).Infof("Processing node: %#v\n", node.Name)
-
-				pods, err := podutil.ListEvictablePodsOnNode(client, node, evictLocalStoragePods)
-				if err != nil {
-					klog.Errorf("failed to get pods from %v: %v", node.Name, err)
-				}
-
-				for _, pod := range pods {
-					if pod.Spec.Affinity != nil && pod.Spec.Affinity.NodeAffinity != nil && pod.Spec.Affinity.NodeAffinity.RequiredDuringSchedulingIgnoredDuringExecution != nil {
-						if !nodeutil.PodFitsCurrentNode(pod, node) && nodeutil.PodFitsAnyNode(pod, nodes) {
-							klog.V(1).Infof("Evicting pod: %v", pod.Name)
-							if _, err := podEvictor.EvictPod(pod, node); err != nil {
-								break
-							}
-						}
-					}
-				}
-			}
-		default:
-			klog.Errorf("invalid nodeAffinityType: %v", nodeAffinity)
-		}
-	}
-	klog.V(1).Infof("Evicted %v pods", podEvictor.TotalEvicted())
-}

pkg/descheduler/strategies/node_affinity_test.go

@@ -1,167 +0,0 @@
-/*
-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 strategies
-
-import (
-	"testing"
-
-	"k8s.io/api/core/v1"
-	"k8s.io/apimachinery/pkg/runtime"
-	"k8s.io/client-go/kubernetes/fake"
-	core "k8s.io/client-go/testing"
-	"sigs.k8s.io/descheduler/pkg/api"
-	"sigs.k8s.io/descheduler/pkg/descheduler/evictions"
-	"sigs.k8s.io/descheduler/test"
-)
-
-func TestRemovePodsViolatingNodeAffinity(t *testing.T) {
-
-	requiredDuringSchedulingIgnoredDuringExecutionStrategy := api.DeschedulerStrategy{
-		Enabled: true,
-		Params: api.StrategyParameters{
-			NodeAffinityType: []string{
-				"requiredDuringSchedulingIgnoredDuringExecution",
-			},
-		},
-	}
-
-	nodeLabelKey := "kubernetes.io/desiredNode"
-	nodeLabelValue := "yes"
-	nodeWithLabels := test.BuildTestNode("nodeWithLabels", 2000, 3000, 10, nil)
-	nodeWithLabels.Labels[nodeLabelKey] = nodeLabelValue
-
-	nodeWithoutLabels := test.BuildTestNode("nodeWithoutLabels", 2000, 3000, 10, nil)
-
-	unschedulableNodeWithLabels := test.BuildTestNode("unschedulableNodeWithLabels", 2000, 3000, 10, nil)
-	nodeWithLabels.Labels[nodeLabelKey] = nodeLabelValue
-	unschedulableNodeWithLabels.Spec.Unschedulable = true
-
-	addPodsToNode := func(node *v1.Node) []v1.Pod {
-		podWithNodeAffinity := test.BuildTestPod("podWithNodeAffinity", 100, 0, node.Name, nil)
-		podWithNodeAffinity.Spec.Affinity = &v1.Affinity{
-			NodeAffinity: &v1.NodeAffinity{
-				RequiredDuringSchedulingIgnoredDuringExecution: &v1.NodeSelector{
-					NodeSelectorTerms: []v1.NodeSelectorTerm{
-						{
-							MatchExpressions: []v1.NodeSelectorRequirement{
-								{
-									Key:      nodeLabelKey,
-									Operator: "In",
-									Values: []string{
-										nodeLabelValue,
-									},
-								},
-							},
-						},
-					},
-				},
-			},
-		}
-
-		pod1 := test.BuildTestPod("pod1", 100, 0, node.Name, nil)
-		pod2 := test.BuildTestPod("pod2", 100, 0, node.Name, nil)
-
-		podWithNodeAffinity.ObjectMeta.OwnerReferences = test.GetNormalPodOwnerRefList()
-		pod1.ObjectMeta.OwnerReferences = test.GetNormalPodOwnerRefList()
-		pod2.ObjectMeta.OwnerReferences = test.GetNormalPodOwnerRefList()
-
-		return []v1.Pod{
-			*podWithNodeAffinity,
-			*pod1,
-			*pod2,
-		}
-	}
-
-	tests := []struct {
-		description             string
-		nodes                   []*v1.Node
-		pods                    []v1.Pod
-		strategy                api.DeschedulerStrategy
-		expectedEvictedPodCount int
-		maxPodsToEvict          int
-	}{
-		{
-			description: "Invalid strategy type, should not evict any pods",
-			strategy: api.DeschedulerStrategy{
-				Enabled: true,
-				Params: api.StrategyParameters{
-					NodeAffinityType: []string{
-						"requiredDuringSchedulingRequiredDuringExecution",
-					},
-				},
-			},
-			expectedEvictedPodCount: 0,
-			pods:                    addPodsToNode(nodeWithoutLabels),
-			nodes:                   []*v1.Node{nodeWithoutLabels, nodeWithLabels},
-			maxPodsToEvict:          0,
-		},
-		{
-			description:             "Pod is correctly scheduled on node, no eviction expected",
-			strategy:                requiredDuringSchedulingIgnoredDuringExecutionStrategy,
-			expectedEvictedPodCount: 0,
-			pods:                    addPodsToNode(nodeWithLabels),
-			nodes:                   []*v1.Node{nodeWithLabels},
-			maxPodsToEvict:          0,
-		},
-		{
-			description:             "Pod is scheduled on node without matching labels, another schedulable node available, should be evicted",
-			expectedEvictedPodCount: 1,
-			strategy:                requiredDuringSchedulingIgnoredDuringExecutionStrategy,
-			pods:                    addPodsToNode(nodeWithoutLabels),
-			nodes:                   []*v1.Node{nodeWithoutLabels, nodeWithLabels},
-			maxPodsToEvict:          0,
-		},
-		{
-			description:             "Pod is scheduled on node without matching labels, another schedulable node available, maxPodsToEvict set to 1, should not be evicted",
-			expectedEvictedPodCount: 1,
-			strategy:                requiredDuringSchedulingIgnoredDuringExecutionStrategy,
-			pods:                    addPodsToNode(nodeWithoutLabels),
-			nodes:                   []*v1.Node{nodeWithoutLabels, nodeWithLabels},
-			maxPodsToEvict:          1,
-		},
-		{
-			description:             "Pod is scheduled on node without matching labels, but no node where pod fits is available, should not evict",
-			expectedEvictedPodCount: 0,
-			strategy:                requiredDuringSchedulingIgnoredDuringExecutionStrategy,
-			pods:                    addPodsToNode(nodeWithoutLabels),
-			nodes:                   []*v1.Node{nodeWithoutLabels, unschedulableNodeWithLabels},
-			maxPodsToEvict:          0,
-		},
-	}
-
-	for _, tc := range tests {
-
-		fakeClient := &fake.Clientset{}
-		fakeClient.Fake.AddReactor("list", "pods", func(action core.Action) (bool, runtime.Object, error) {
-			return true, &v1.PodList{Items: tc.pods}, nil
-		})
-
-		podEvictor := evictions.NewPodEvictor(
-			fakeClient,
-			"v1",
-			false,
-			tc.maxPodsToEvict,
-			tc.nodes,
-		)
-
-		RemovePodsViolatingNodeAffinity(fakeClient, tc.strategy, tc.nodes, false, podEvictor)
-		actualEvictedPodCount := podEvictor.TotalEvicted()
-		if actualEvictedPodCount != tc.expectedEvictedPodCount {
-			t.Errorf("Test %#v failed, expected %v pod evictions, but got %v pod evictions\n", tc.description, tc.expectedEvictedPodCount, actualEvictedPodCount)
-		}
-	}
-}

pkg/descheduler/strategies/node_taint.go

@@ -1,53 +0,0 @@
-/*
-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 strategies
-
-import (
-	"sigs.k8s.io/descheduler/pkg/api"
-	"sigs.k8s.io/descheduler/pkg/descheduler/evictions"
-	podutil "sigs.k8s.io/descheduler/pkg/descheduler/pod"
-	"sigs.k8s.io/descheduler/pkg/utils"
-
-	"k8s.io/api/core/v1"
-	clientset "k8s.io/client-go/kubernetes"
-	"k8s.io/klog"
-)
-
-// RemovePodsViolatingNodeTaints evicts pods on the node which violate NoSchedule Taints on nodes
-func RemovePodsViolatingNodeTaints(client clientset.Interface, strategy api.DeschedulerStrategy, nodes []*v1.Node, evictLocalStoragePods bool, podEvictor *evictions.PodEvictor) {
-	for _, node := range nodes {
-		klog.V(1).Infof("Processing node: %#v\n", node.Name)
-		pods, err := podutil.ListEvictablePodsOnNode(client, node, evictLocalStoragePods)
-		if err != nil {
-			//no pods evicted as error encountered retrieving evictable Pods
-			return
-		}
-		totalPods := len(pods)
-		for i := 0; i < totalPods; i++ {
-			if !utils.TolerationsTolerateTaintsWithFilter(
-				pods[i].Spec.Tolerations,
-				node.Spec.Taints,
-				func(taint *v1.Taint) bool { return taint.Effect == v1.TaintEffectNoSchedule },
-			) {
-				klog.V(2).Infof("Not all taints with NoSchedule effect are tolerated after update for pod %v on node %v", pods[i].Name, node.Name)
-				if _, err := podEvictor.EvictPod(pods[i], node); err != nil {
-					break
-				}
-			}
-		}
-	}
-}

pkg/descheduler/strategies/node_taint_test.go

@@ -1,283 +0,0 @@
-package strategies
-
-import (
-	"fmt"
-	"testing"
-
-	"k8s.io/api/core/v1"
-	"k8s.io/apimachinery/pkg/api/resource"
-	"k8s.io/apimachinery/pkg/runtime"
-	"k8s.io/client-go/kubernetes/fake"
-	core "k8s.io/client-go/testing"
-	"sigs.k8s.io/descheduler/pkg/api"
-	"sigs.k8s.io/descheduler/pkg/descheduler/evictions"
-	"sigs.k8s.io/descheduler/pkg/utils"
-	"sigs.k8s.io/descheduler/test"
-)
-
-func createNoScheduleTaint(key, value string, index int) v1.Taint {
-	return v1.Taint{
-		Key:    "testTaint" + fmt.Sprintf("%v", index),
-		Value:  "test" + fmt.Sprintf("%v", index),
-		Effect: v1.TaintEffectNoSchedule,
-	}
-}
-
-func addTaintsToNode(node *v1.Node, key, value string, indices []int) *v1.Node {
-	taints := []v1.Taint{}
-	for _, index := range indices {
-		taints = append(taints, createNoScheduleTaint(key, value, index))
-	}
-	node.Spec.Taints = taints
-	return node
-}
-
-func addTolerationToPod(pod *v1.Pod, key, value string, index int) *v1.Pod {
-	if pod.Annotations == nil {
-		pod.Annotations = map[string]string{}
-	}
-
-	pod.Spec.Tolerations = []v1.Toleration{{Key: key + fmt.Sprintf("%v", index), Value: value + fmt.Sprintf("%v", index), Effect: v1.TaintEffectNoSchedule}}
-
-	return pod
-}
-
-func TestDeletePodsViolatingNodeTaints(t *testing.T) {
-
-	node1 := test.BuildTestNode("n1", 2000, 3000, 10, nil)
-	node1 = addTaintsToNode(node1, "testTaint", "test", []int{1})
-	node2 := test.BuildTestNode("n2", 2000, 3000, 10, nil)
-	node1 = addTaintsToNode(node2, "testingTaint", "testing", []int{1})
-
-	p1 := test.BuildTestPod("p1", 100, 0, node1.Name, nil)
-	p2 := test.BuildTestPod("p2", 100, 0, node1.Name, nil)
-	p3 := test.BuildTestPod("p3", 100, 0, node1.Name, nil)
-	p4 := test.BuildTestPod("p4", 100, 0, node1.Name, nil)
-	p5 := test.BuildTestPod("p5", 100, 0, node1.Name, nil)
-	p6 := test.BuildTestPod("p6", 100, 0, node1.Name, nil)
-
-	p1.ObjectMeta.OwnerReferences = test.GetNormalPodOwnerRefList()
-	p2.ObjectMeta.OwnerReferences = test.GetNormalPodOwnerRefList()
-	p3.ObjectMeta.OwnerReferences = test.GetNormalPodOwnerRefList()
-	p4.ObjectMeta.OwnerReferences = test.GetNormalPodOwnerRefList()
-	p5.ObjectMeta.OwnerReferences = test.GetNormalPodOwnerRefList()
-	p6.ObjectMeta.OwnerReferences = test.GetNormalPodOwnerRefList()
-	p7 := test.BuildTestPod("p7", 100, 0, node2.Name, nil)
-	p8 := test.BuildTestPod("p8", 100, 0, node2.Name, nil)
-	p9 := test.BuildTestPod("p9", 100, 0, node2.Name, nil)
-	p10 := test.BuildTestPod("p10", 100, 0, node2.Name, nil)
-	p11 := test.BuildTestPod("p11", 100, 0, node2.Name, nil)
-	p11.ObjectMeta.OwnerReferences = test.GetNormalPodOwnerRefList()
-
-	// The following 4 pods won't get evicted.
-	// A Critical Pod.
-	p7.Namespace = "kube-system"
-	priority := utils.SystemCriticalPriority
-	p7.Spec.Priority = &priority
-
-	// A daemonset.
-	p8.ObjectMeta.OwnerReferences = test.GetDaemonSetOwnerRefList()
-	// A pod with local storage.
-	p9.ObjectMeta.OwnerReferences = test.GetNormalPodOwnerRefList()
-	p9.Spec.Volumes = []v1.Volume{
-		{
-			Name: "sample",
-			VolumeSource: v1.VolumeSource{
-				HostPath: &v1.HostPathVolumeSource{Path: "somePath"},
-				EmptyDir: &v1.EmptyDirVolumeSource{
-					SizeLimit: resource.NewQuantity(int64(10), resource.BinarySI)},
-			},
-		},
-	}
-	// A Mirror Pod.
-	p10.Annotations = test.GetMirrorPodAnnotation()
-
-	p1 = addTolerationToPod(p1, "testTaint", "test", 1)
-	p3 = addTolerationToPod(p3, "testTaint", "test", 1)
-	p4 = addTolerationToPod(p4, "testTaintX", "testX", 1)
-
-	tests := []struct {
-		description             string
-		nodes                   []*v1.Node
-		pods                    []v1.Pod
-		evictLocalStoragePods   bool
-		maxPodsToEvict          int
-		expectedEvictedPodCount int
-	}{
-
-		{
-			description:             "Pods not tolerating node taint should be evicted",
-			pods:                    []v1.Pod{*p1, *p2, *p3},
-			nodes:                   []*v1.Node{node1},
-			evictLocalStoragePods:   false,
-			maxPodsToEvict:          0,
-			expectedEvictedPodCount: 1, //p2 gets evicted
-		},
-		{
-			description:             "Pods with tolerations but not tolerating node taint should be evicted",
-			pods:                    []v1.Pod{*p1, *p3, *p4},
-			nodes:                   []*v1.Node{node1},
-			evictLocalStoragePods:   false,
-			maxPodsToEvict:          0,
-			expectedEvictedPodCount: 1, //p4 gets evicted
-		},
-		{
-			description:             "Only <maxPodsToEvict> number of Pods not tolerating node taint should be evicted",
-			pods:                    []v1.Pod{*p1, *p5, *p6},
-			nodes:                   []*v1.Node{node1},
-			evictLocalStoragePods:   false,
-			maxPodsToEvict:          1,
-			expectedEvictedPodCount: 1, //p5 or p6 gets evicted
-		},
-		{
-			description:             "Critical pods not tolerating node taint should not be evicted",
-			pods:                    []v1.Pod{*p7, *p8, *p9, *p10},
-			nodes:                   []*v1.Node{node2},
-			evictLocalStoragePods:   false,
-			maxPodsToEvict:          0,
-			expectedEvictedPodCount: 0,
-		},
-		{
-			description:             "Critical pods except storage pods not tolerating node taint should not be evicted",
-			pods:                    []v1.Pod{*p7, *p8, *p9, *p10},
-			nodes:                   []*v1.Node{node2},
-			evictLocalStoragePods:   true,
-			maxPodsToEvict:          0,
-			expectedEvictedPodCount: 1,
-		},
-		{
-			description:             "Critical and non critical pods, only non critical pods not tolerating node taint should be evicted",
-			pods:                    []v1.Pod{*p7, *p8, *p10, *p11},
-			nodes:                   []*v1.Node{node2},
-			evictLocalStoragePods:   false,
-			maxPodsToEvict:          0,
-			expectedEvictedPodCount: 1,
-		},
-	}
-
-	for _, tc := range tests {
-
-		// create fake client
-		fakeClient := &fake.Clientset{}
-		fakeClient.Fake.AddReactor("list", "pods", func(action core.Action) (bool, runtime.Object, error) {
-			return true, &v1.PodList{Items: tc.pods}, nil
-		})
-
-		podEvictor := evictions.NewPodEvictor(
-			fakeClient,
-			"v1",
-			false,
-			tc.maxPodsToEvict,
-			tc.nodes,
-		)
-
-		RemovePodsViolatingNodeTaints(fakeClient, api.DeschedulerStrategy{}, tc.nodes, tc.evictLocalStoragePods, podEvictor)
-		actualEvictedPodCount := podEvictor.TotalEvicted()
-		if actualEvictedPodCount != tc.expectedEvictedPodCount {
-			t.Errorf("Test %#v failed, Unexpected no of pods evicted: pods evicted: %d, expected: %d", tc.description, actualEvictedPodCount, tc.expectedEvictedPodCount)
-		}
-	}
-
-}
-
-func TestToleratesTaint(t *testing.T) {
-
-	testCases := []struct {
-		description     string
-		toleration      v1.Toleration
-		taint           v1.Taint
-		expectTolerated bool
-	}{
-		{
-			description: "toleration and taint have the same key and effect, and operator is Exists, and taint has no value, expect tolerated",
-			toleration: v1.Toleration{
-				Key:      "foo",
-				Operator: v1.TolerationOpExists,
-				Effect:   v1.TaintEffectNoSchedule,
-			},
-			taint: v1.Taint{
-				Key:    "foo",
-				Effect: v1.TaintEffectNoSchedule,
-			},
-			expectTolerated: true,
-		},
-		{
-			description: "toleration and taint have the same key and effect, and operator is Exists, and taint has some value, expect tolerated",
-			toleration: v1.Toleration{
-				Key:      "foo",
-				Operator: v1.TolerationOpExists,
-				Effect:   v1.TaintEffectNoSchedule,
-			},
-			taint: v1.Taint{
-				Key:    "foo",
-				Value:  "bar",
-				Effect: v1.TaintEffectNoSchedule,
-			},
-			expectTolerated: true,
-		},
-		{
-			description: "toleration and taint have the same effect, toleration has empty key and operator is Exists, means match all taints, expect tolerated",
-			toleration: v1.Toleration{
-				Key:      "",
-				Operator: v1.TolerationOpExists,
-				Effect:   v1.TaintEffectNoSchedule,
-			},
-			taint: v1.Taint{
-				Key:    "foo",
-				Value:  "bar",
-				Effect: v1.TaintEffectNoSchedule,
-			},
-			expectTolerated: true,
-		},
-		{
-			description: "toleration and taint have the same key, effect and value, and operator is Equal, expect tolerated",
-			toleration: v1.Toleration{
-				Key:      "foo",
-				Operator: v1.TolerationOpEqual,
-				Value:    "bar",
-				Effect:   v1.TaintEffectNoSchedule,
-			},
-			taint: v1.Taint{
-				Key:    "foo",
-				Value:  "bar",
-				Effect: v1.TaintEffectNoSchedule,
-			},
-			expectTolerated: true,
-		},
-		{
-			description: "toleration and taint have the same key and effect, but different values, and operator is Equal, expect not tolerated",
-			toleration: v1.Toleration{
-				Key:      "foo",
-				Operator: v1.TolerationOpEqual,
-				Value:    "value1",
-				Effect:   v1.TaintEffectNoSchedule,
-			},
-			taint: v1.Taint{
-				Key:    "foo",
-				Value:  "value2",
-				Effect: v1.TaintEffectNoSchedule,
-			},
-			expectTolerated: false,
-		},
-		{
-			description: "toleration and taint have the same key and value, but different effects, and operator is Equal, expect not tolerated",
-			toleration: v1.Toleration{
-				Key:      "foo",
-				Operator: v1.TolerationOpEqual,
-				Value:    "bar",
-				Effect:   v1.TaintEffectNoSchedule,
-			},
-			taint: v1.Taint{
-				Key:    "foo",
-				Value:  "bar",
-				Effect: v1.TaintEffectNoExecute,
-			},
-			expectTolerated: false,
-		},
-	}
-	for _, tc := range testCases {
-		if tolerated := tc.toleration.ToleratesTaint(&tc.taint); tc.expectTolerated != tolerated {
-			t.Errorf("[%s] expect %v, got %v: toleration %+v, taint %s", tc.description, tc.expectTolerated, tolerated, tc.toleration, tc.taint.ToString())
-		}
-	}
-}

pkg/descheduler/strategies/pod_antiaffinity.go

@@ -1,90 +0,0 @@
-/*
-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 strategies
-
-import (
-	"sigs.k8s.io/descheduler/pkg/api"
-	"sigs.k8s.io/descheduler/pkg/descheduler/evictions"
-	podutil "sigs.k8s.io/descheduler/pkg/descheduler/pod"
-	"sigs.k8s.io/descheduler/pkg/utils"
-
-	"k8s.io/api/core/v1"
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	clientset "k8s.io/client-go/kubernetes"
-	"k8s.io/klog"
-)
-
-// RemovePodsViolatingInterPodAntiAffinity evicts pods on the node which are having a pod affinity rules.
-func RemovePodsViolatingInterPodAntiAffinity(client clientset.Interface, strategy api.DeschedulerStrategy, nodes []*v1.Node, evictLocalStoragePods bool, podEvictor *evictions.PodEvictor) {
-	for _, node := range nodes {
-		klog.V(1).Infof("Processing node: %#v\n", node.Name)
-		pods, err := podutil.ListEvictablePodsOnNode(client, node, evictLocalStoragePods)
-		if err != nil {
-			return
-		}
-		totalPods := len(pods)
-		for i := 0; i < totalPods; i++ {
-			if checkPodsWithAntiAffinityExist(pods[i], pods) {
-				success, err := podEvictor.EvictPod(pods[i], node)
-				if err != nil {
-					break
-				}
-
-				if success {
-					klog.V(1).Infof("Evicted pod: %#v\n because of existing anti-affinity", pods[i].Name)
-					// Since the current pod is evicted all other pods which have anti-affinity with this
-					// pod need not be evicted.
-					// Update pods.
-					pods = append(pods[:i], pods[i+1:]...)
-					i--
-					totalPods--
-				}
-			}
-		}
-	}
-}
-
-// checkPodsWithAntiAffinityExist checks if there are other pods on the node that the current pod cannot tolerate.
-func checkPodsWithAntiAffinityExist(pod *v1.Pod, pods []*v1.Pod) bool {
-	affinity := pod.Spec.Affinity
-	if affinity != nil && affinity.PodAntiAffinity != nil {
-		for _, term := range getPodAntiAffinityTerms(affinity.PodAntiAffinity) {
-			namespaces := utils.GetNamespacesFromPodAffinityTerm(pod, &term)
-			selector, err := metav1.LabelSelectorAsSelector(term.LabelSelector)
-			if err != nil {
-				klog.Infof("%v", err)
-				return false
-			}
-			for _, existingPod := range pods {
-				if existingPod.Name != pod.Name && utils.PodMatchesTermsNamespaceAndSelector(existingPod, namespaces, selector) {
-					return true
-				}
-			}
-		}
-	}
-	return false
-}
-
-// getPodAntiAffinityTerms gets the antiaffinity terms for the given pod.
-func getPodAntiAffinityTerms(podAntiAffinity *v1.PodAntiAffinity) (terms []v1.PodAffinityTerm) {
-	if podAntiAffinity != nil {
-		if len(podAntiAffinity.RequiredDuringSchedulingIgnoredDuringExecution) != 0 {
-			terms = podAntiAffinity.RequiredDuringSchedulingIgnoredDuringExecution
-		}
-	}
-	return terms
-}

pkg/descheduler/strategies/pod_antiaffinity_test.go

@@ -1,114 +0,0 @@
-/*
-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 strategies
-
-import (
-	"testing"
-
-	"k8s.io/api/core/v1"
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	"k8s.io/apimachinery/pkg/runtime"
-	"k8s.io/client-go/kubernetes/fake"
-	core "k8s.io/client-go/testing"
-	"sigs.k8s.io/descheduler/pkg/api"
-	"sigs.k8s.io/descheduler/pkg/descheduler/evictions"
-	"sigs.k8s.io/descheduler/test"
-)
-
-func TestPodAntiAffinity(t *testing.T) {
-	node := test.BuildTestNode("n1", 2000, 3000, 10, nil)
-	p1 := test.BuildTestPod("p1", 100, 0, node.Name, nil)
-	p2 := test.BuildTestPod("p2", 100, 0, node.Name, nil)
-	p3 := test.BuildTestPod("p3", 100, 0, node.Name, nil)
-	p4 := test.BuildTestPod("p4", 100, 0, node.Name, nil)
-	p2.Labels = map[string]string{"foo": "bar"}
-	p1.ObjectMeta.OwnerReferences = test.GetNormalPodOwnerRefList()
-	p2.ObjectMeta.OwnerReferences = test.GetNormalPodOwnerRefList()
-	p3.ObjectMeta.OwnerReferences = test.GetNormalPodOwnerRefList()
-	p4.ObjectMeta.OwnerReferences = test.GetNormalPodOwnerRefList()
-
-	// set pod anti affinity
-	setPodAntiAffinity(p1)
-	setPodAntiAffinity(p3)
-	setPodAntiAffinity(p4)
-
-	tests := []struct {
-		description             string
-		maxPodsToEvict          int
-		pods                    []v1.Pod
-		expectedEvictedPodCount int
-	}{
-		{
-			description:             "Maximum pods to evict - 0",
-			maxPodsToEvict:          0,
-			pods:                    []v1.Pod{*p1, *p2, *p3, *p4},
-			expectedEvictedPodCount: 3,
-		},
-		{
-			description:             "Maximum pods to evict - 3",
-			maxPodsToEvict:          3,
-			pods:                    []v1.Pod{*p1, *p2, *p3, *p4},
-			expectedEvictedPodCount: 3,
-		},
-	}
-
-	for _, test := range tests {
-		// create fake client
-		fakeClient := &fake.Clientset{}
-		fakeClient.Fake.AddReactor("list", "pods", func(action core.Action) (bool, runtime.Object, error) {
-			return true, &v1.PodList{Items: []v1.Pod{*p1, *p2, *p3, *p4}}, nil
-		})
-		fakeClient.Fake.AddReactor("get", "nodes", func(action core.Action) (bool, runtime.Object, error) {
-			return true, node, nil
-		})
-
-		podEvictor := evictions.NewPodEvictor(
-			fakeClient,
-			"v1",
-			false,
-			test.maxPodsToEvict,
-			[]*v1.Node{node},
-		)
-
-		RemovePodsViolatingInterPodAntiAffinity(fakeClient, api.DeschedulerStrategy{}, []*v1.Node{node}, false, podEvictor)
-		podsEvicted := podEvictor.TotalEvicted()
-		if podsEvicted != test.expectedEvictedPodCount {
-			t.Errorf("Unexpected no of pods evicted: pods evicted: %d, expected: %d", podsEvicted, test.expectedEvictedPodCount)
-		}
-	}
-}
-
-func setPodAntiAffinity(inputPod *v1.Pod) {
-	inputPod.Spec.Affinity = &v1.Affinity{
-		PodAntiAffinity: &v1.PodAntiAffinity{
-			RequiredDuringSchedulingIgnoredDuringExecution: []v1.PodAffinityTerm{
-				{
-					LabelSelector: &metav1.LabelSelector{
-						MatchExpressions: []metav1.LabelSelectorRequirement{
-							{
-								Key:      "foo",
-								Operator: metav1.LabelSelectorOpIn,
-								Values:   []string{"bar"},
-							},
-						},
-					},
-					TopologyKey: "region",
-				},
-			},
-		},
-	}
-}

pkg/descheduler/strategies/pod_lifetime.go

@@ -1,69 +0,0 @@
-/*
-Copyright 2020 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 strategies
-
-import (
-	v1 "k8s.io/api/core/v1"
-	v1meta "k8s.io/apimachinery/pkg/apis/meta/v1"
-	clientset "k8s.io/client-go/kubernetes"
-	"k8s.io/klog"
-
-	"sigs.k8s.io/descheduler/pkg/api"
-	"sigs.k8s.io/descheduler/pkg/descheduler/evictions"
-	podutil "sigs.k8s.io/descheduler/pkg/descheduler/pod"
-)
-
-// PodLifeTime evicts pods on nodes that were created more than strategy.Params.MaxPodLifeTimeSeconds seconds ago.
-func PodLifeTime(client clientset.Interface, strategy api.DeschedulerStrategy, nodes []*v1.Node, evictLocalStoragePods bool, podEvictor *evictions.PodEvictor) {
-	if strategy.Params.MaxPodLifeTimeSeconds == nil {
-		klog.V(1).Infof("MaxPodLifeTimeSeconds not set")
-		return
-	}
-
-	for _, node := range nodes {
-		klog.V(1).Infof("Processing node: %#v", node.Name)
-		pods := listOldPodsOnNode(client, node, *strategy.Params.MaxPodLifeTimeSeconds, evictLocalStoragePods)
-		for _, pod := range pods {
-			success, err := podEvictor.EvictPod(pod, node)
-			if success {
-				klog.V(1).Infof("Evicted pod: %#v\n because it was created more than %v seconds ago", pod.Name, *strategy.Params.MaxPodLifeTimeSeconds)
-			}
-
-			if err != nil {
-				klog.Errorf("Error evicting pod: (%#v)", err)
-				break
-			}
-		}
-	}
-}
-
-func listOldPodsOnNode(client clientset.Interface, node *v1.Node, maxAge uint, evictLocalStoragePods bool) []*v1.Pod {
-	pods, err := podutil.ListEvictablePodsOnNode(client, node, evictLocalStoragePods)
-	if err != nil {
-		return nil
-	}
-
-	var oldPods []*v1.Pod
-	for _, pod := range pods {
-		podAgeSeconds := uint(v1meta.Now().Sub(pod.GetCreationTimestamp().Local()).Seconds())
-		if podAgeSeconds > maxAge {
-			oldPods = append(oldPods, pod)
-		}
-	}
-
-	return oldPods
-}

pkg/descheduler/strategies/pod_lifetime_test.go

@@ -1,167 +0,0 @@
-/*
-Copyright 2020 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 strategies
-
-import (
-	"testing"
-	"time"
-
-	v1 "k8s.io/api/core/v1"
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	"k8s.io/apimachinery/pkg/runtime"
-	"k8s.io/client-go/kubernetes/fake"
-	core "k8s.io/client-go/testing"
-	"sigs.k8s.io/descheduler/pkg/api"
-	"sigs.k8s.io/descheduler/pkg/descheduler/evictions"
-	"sigs.k8s.io/descheduler/test"
-)
-
-func TestPodLifeTime(t *testing.T) {
-	node := test.BuildTestNode("n1", 2000, 3000, 10, nil)
-	olderPodCreationTime := metav1.NewTime(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC))
-	newerPodCreationTime := metav1.NewTime(time.Now())
-
-	// Setup pods, one should be evicted
-	p1 := test.BuildTestPod("p1", 100, 0, node.Name, nil)
-	p1.Namespace = "dev"
-	p1.ObjectMeta.CreationTimestamp = newerPodCreationTime
-	p2 := test.BuildTestPod("p2", 100, 0, node.Name, nil)
-	p2.Namespace = "dev"
-	p2.ObjectMeta.CreationTimestamp = olderPodCreationTime
-
-	ownerRef1 := test.GetReplicaSetOwnerRefList()
-	p1.ObjectMeta.OwnerReferences = ownerRef1
-	p2.ObjectMeta.OwnerReferences = ownerRef1
-
-	// Setup pods, zero should be evicted
-	p3 := test.BuildTestPod("p3", 100, 0, node.Name, nil)
-	p3.Namespace = "dev"
-	p3.ObjectMeta.CreationTimestamp = newerPodCreationTime
-	p4 := test.BuildTestPod("p4", 100, 0, node.Name, nil)
-	p4.Namespace = "dev"
-	p4.ObjectMeta.CreationTimestamp = newerPodCreationTime
-
-	ownerRef2 := test.GetReplicaSetOwnerRefList()
-	p3.ObjectMeta.OwnerReferences = ownerRef2
-	p4.ObjectMeta.OwnerReferences = ownerRef2
-
-	// Setup pods, one should be evicted
-	p5 := test.BuildTestPod("p5", 100, 0, node.Name, nil)
-	p5.Namespace = "dev"
-	p5.ObjectMeta.CreationTimestamp = newerPodCreationTime
-	p6 := test.BuildTestPod("p6", 100, 0, node.Name, nil)
-	p6.Namespace = "dev"
-	p6.ObjectMeta.CreationTimestamp = metav1.NewTime(time.Now().Add(time.Second * 605))
-
-	ownerRef3 := test.GetReplicaSetOwnerRefList()
-	p5.ObjectMeta.OwnerReferences = ownerRef3
-	p6.ObjectMeta.OwnerReferences = ownerRef3
-
-	// Setup pods, zero should be evicted
-	p7 := test.BuildTestPod("p7", 100, 0, node.Name, nil)
-	p7.Namespace = "dev"
-	p7.ObjectMeta.CreationTimestamp = newerPodCreationTime
-	p8 := test.BuildTestPod("p8", 100, 0, node.Name, nil)
-	p8.Namespace = "dev"
-	p8.ObjectMeta.CreationTimestamp = metav1.NewTime(time.Now().Add(time.Second * 595))
-
-	ownerRef4 := test.GetReplicaSetOwnerRefList()
-	p5.ObjectMeta.OwnerReferences = ownerRef4
-	p6.ObjectMeta.OwnerReferences = ownerRef4
-
-	var maxLifeTime uint = 600
-	testCases := []struct {
-		description             string
-		strategy                api.DeschedulerStrategy
-		maxPodsToEvict          int
-		pods                    []v1.Pod
-		expectedEvictedPodCount int
-	}{
-		{
-			description: "Two pods in the `dev` Namespace, 1 is new and 1 very is old. 1 should be evicted.",
-			strategy: api.DeschedulerStrategy{
-				Enabled: true,
-				Params: api.StrategyParameters{
-					MaxPodLifeTimeSeconds: &maxLifeTime,
-				},
-			},
-			maxPodsToEvict:          5,
-			pods:                    []v1.Pod{*p1, *p2},
-			expectedEvictedPodCount: 1,
-		},
-		{
-			description: "Two pods in the `dev` Namespace, 2 are new and 0 are old. 0 should be evicted.",
-			strategy: api.DeschedulerStrategy{
-				Enabled: true,
-				Params: api.StrategyParameters{
-					MaxPodLifeTimeSeconds: &maxLifeTime,
-				},
-			},
-			maxPodsToEvict:          5,
-			pods:                    []v1.Pod{*p3, *p4},
-			expectedEvictedPodCount: 0,
-		},
-		{
-			description: "Two pods in the `dev` Namespace, 1 created 605 seconds ago. 1 should be evicted.",
-			strategy: api.DeschedulerStrategy{
-				Enabled: true,
-				Params: api.StrategyParameters{
-					MaxPodLifeTimeSeconds: &maxLifeTime,
-				},
-			},
-			maxPodsToEvict:          5,
-			pods:                    []v1.Pod{*p5, *p6},
-			expectedEvictedPodCount: 1,
-		},
-		{
-			description: "Two pods in the `dev` Namespace, 1 created 595 seconds ago. 0 should be evicted.",
-			strategy: api.DeschedulerStrategy{
-				Enabled: true,
-				Params: api.StrategyParameters{
-					MaxPodLifeTimeSeconds: &maxLifeTime,
-				},
-			},
-			maxPodsToEvict:          5,
-			pods:                    []v1.Pod{*p7, *p8},
-			expectedEvictedPodCount: 0,
-		},
-	}
-
-	for _, tc := range testCases {
-		fakeClient := &fake.Clientset{}
-		fakeClient.Fake.AddReactor("list", "pods", func(action core.Action) (bool, runtime.Object, error) {
-			return true, &v1.PodList{Items: tc.pods}, nil
-		})
-		fakeClient.Fake.AddReactor("get", "nodes", func(action core.Action) (bool, runtime.Object, error) {
-			return true, node, nil
-		})
-		podEvictor := evictions.NewPodEvictor(
-			fakeClient,
-			"v1",
-			false,
-			tc.maxPodsToEvict,
-			[]*v1.Node{node},
-		)
-
-		PodLifeTime(fakeClient, tc.strategy, []*v1.Node{node}, false, podEvictor)
-		podsEvicted := podEvictor.TotalEvicted()
-		if podsEvicted != tc.expectedEvictedPodCount {
-			t.Errorf("Test error for description: %s. Expected evicted pods count %v, got %v", tc.description, tc.expectedEvictedPodCount, podsEvicted)
-		}
-	}
-
-}

pkg/descheduler/strategies/toomanyrestarts.go

@@ -1,74 +0,0 @@
-/*
-Copyright 2018 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 strategies
-
-import (
-	"k8s.io/api/core/v1"
-	clientset "k8s.io/client-go/kubernetes"
-	"k8s.io/klog"
-
-	"sigs.k8s.io/descheduler/pkg/api"
-	"sigs.k8s.io/descheduler/pkg/descheduler/evictions"
-	podutil "sigs.k8s.io/descheduler/pkg/descheduler/pod"
-)
-
-// RemovePodsHavingTooManyRestarts removes the pods that have too many restarts on node.
-// There are too many cases leading this issue: Volume mount failed, app error due to nodes' different settings.
-// As of now, this strategy won't evict daemonsets, mirror pods, critical pods and pods with local storages.
-func RemovePodsHavingTooManyRestarts(client clientset.Interface, strategy api.DeschedulerStrategy, nodes []*v1.Node, evictLocalStoragePods bool, podEvictor *evictions.PodEvictor) {
-	if strategy.Params.PodsHavingTooManyRestarts == nil || strategy.Params.PodsHavingTooManyRestarts.PodRestartThreshold < 1 {
-		klog.V(1).Infof("PodsHavingTooManyRestarts thresholds not set")
-		return
-	}
-	for _, node := range nodes {
-		klog.V(1).Infof("Processing node: %s", node.Name)
-		pods, err := podutil.ListEvictablePodsOnNode(client, node, evictLocalStoragePods)
-		if err != nil {
-			klog.Errorf("Error when list pods at node %s", node.Name)
-			continue
-		}
-
-		for i, pod := range pods {
-			restarts, initRestarts := calcContainerRestarts(pod)
-			if strategy.Params.PodsHavingTooManyRestarts.IncludingInitContainers {
-				if restarts+initRestarts < strategy.Params.PodsHavingTooManyRestarts.PodRestartThreshold {
-					continue
-				}
-			} else if restarts < strategy.Params.PodsHavingTooManyRestarts.PodRestartThreshold {
-				continue
-			}
-			if _, err := podEvictor.EvictPod(pods[i], node); err != nil {
-				break
-			}
-		}
-	}
-}
-
-// calcContainerRestarts get container restarts and init container restarts.
-func calcContainerRestarts(pod *v1.Pod) (int32, int32) {
-	var restarts, initRestarts int32
-
-	for _, cs := range pod.Status.ContainerStatuses {
-		restarts += cs.RestartCount
-	}
-
-	for _, cs := range pod.Status.InitContainerStatuses {
-		initRestarts += cs.RestartCount
-	}
-
-	return restarts, initRestarts
-}

pkg/descheduler/strategies/toomanyrestarts_test.go

@@ -1,181 +0,0 @@
-/*
-Copyright 2018 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 strategies
-
-import (
-	"testing"
-
-	"fmt"
-
-	"k8s.io/api/core/v1"
-	"k8s.io/apimachinery/pkg/api/resource"
-	"k8s.io/apimachinery/pkg/runtime"
-	"k8s.io/client-go/kubernetes/fake"
-	core "k8s.io/client-go/testing"
-	"sigs.k8s.io/descheduler/pkg/api"
-	"sigs.k8s.io/descheduler/pkg/descheduler/evictions"
-	"sigs.k8s.io/descheduler/test"
-)
-
-func initPods(node *v1.Node) []v1.Pod {
-	pods := make([]v1.Pod, 0)
-
-	for i := int32(0); i <= 9; i++ {
-		pod := test.BuildTestPod(fmt.Sprintf("pod-%d", i), 100, 0, node.Name, nil)
-		pod.ObjectMeta.OwnerReferences = test.GetNormalPodOwnerRefList()
-
-		// pod at index i will have 25 * i restarts.
-		pod.Status = v1.PodStatus{
-			InitContainerStatuses: []v1.ContainerStatus{
-				{
-					RestartCount: 5 * i,
-				},
-			},
-			ContainerStatuses: []v1.ContainerStatus{
-				{
-					RestartCount: 10 * i,
-				},
-				{
-					RestartCount: 10 * i,
-				},
-			},
-		}
-		pods = append(pods, *pod)
-	}
-
-	// The following 3 pods won't get evicted.
-	// A daemonset.
-	pods[6].ObjectMeta.OwnerReferences = test.GetDaemonSetOwnerRefList()
-	// A pod with local storage.
-	pods[7].ObjectMeta.OwnerReferences = test.GetNormalPodOwnerRefList()
-	pods[7].Spec.Volumes = []v1.Volume{
-		{
-			Name: "sample",
-			VolumeSource: v1.VolumeSource{
-				HostPath: &v1.HostPathVolumeSource{Path: "somePath"},
-				EmptyDir: &v1.EmptyDirVolumeSource{
-					SizeLimit: resource.NewQuantity(int64(10), resource.BinarySI)},
-			},
-		},
-	}
-	// A Mirror Pod.
-	pods[8].Annotations = test.GetMirrorPodAnnotation()
-
-	return pods
-}
-
-func TestRemovePodsHavingTooManyRestarts(t *testing.T) {
-	createStrategy := func(enabled, includingInitContainers bool, restartThresholds int32) api.DeschedulerStrategy {
-		return api.DeschedulerStrategy{
-			Enabled: enabled,
-			Params: api.StrategyParameters{
-				PodsHavingTooManyRestarts: &api.PodsHavingTooManyRestarts{
-					PodRestartThreshold:     restartThresholds,
-					IncludingInitContainers: includingInitContainers,
-				},
-			},
-		}
-	}
-
-	tests := []struct {
-		description             string
-		pods                    []v1.Pod
-		strategy                api.DeschedulerStrategy
-		expectedEvictedPodCount int
-		maxPodsToEvict          int
-	}{
-		{
-			description:             "All pods have total restarts under threshold, no pod evictions",
-			strategy:                createStrategy(true, true, 10000),
-			expectedEvictedPodCount: 0,
-			maxPodsToEvict:          0,
-		},
-		{
-			description:             "Some pods have total restarts bigger than threshold",
-			strategy:                createStrategy(true, true, 1),
-			expectedEvictedPodCount: 6,
-			maxPodsToEvict:          0,
-		},
-		{
-			description:             "Nine pods have total restarts equals threshold(includingInitContainers=true), 6 pods evictions",
-			strategy:                createStrategy(true, true, 1*25),
-			expectedEvictedPodCount: 6,
-			maxPodsToEvict:          0,
-		},
-		{
-			description:             "Nine pods have total restarts equals threshold(includingInitContainers=false), 5 pods evictions",
-			strategy:                createStrategy(true, false, 1*25),
-			expectedEvictedPodCount: 5,
-			maxPodsToEvict:          0,
-		},
-		{
-			description:             "All pods have total restarts equals threshold(includingInitContainers=true), 6 pods evictions",
-			strategy:                createStrategy(true, true, 1*20),
-			expectedEvictedPodCount: 6,
-			maxPodsToEvict:          0,
-		},
-		{
-			description:             "Nine pods have total restarts equals threshold(includingInitContainers=false), 6 pods evictions",
-			strategy:                createStrategy(true, false, 1*20),
-			expectedEvictedPodCount: 6,
-			maxPodsToEvict:          0,
-		},
-		{
-			description:             "Five pods have total restarts bigger than threshold(includingInitContainers=true), but only 1 pod eviction",
-			strategy:                createStrategy(true, true, 5*25+1),
-			expectedEvictedPodCount: 1,
-			maxPodsToEvict:          0,
-		},
-		{
-			description:             "Five pods have total restarts bigger than threshold(includingInitContainers=false), but only 1 pod eviction",
-			strategy:                createStrategy(true, false, 5*20+1),
-			expectedEvictedPodCount: 1,
-			maxPodsToEvict:          0,
-		},
-		{
-			description:             "All pods have total restarts equals threshold(maxPodsToEvict=3), 3 pods evictions",
-			strategy:                createStrategy(true, true, 1),
-			expectedEvictedPodCount: 3,
-			maxPodsToEvict:          3,
-		},
-	}
-
-	for _, tc := range tests {
-		node := test.BuildTestNode("node1", 2000, 3000, 10, nil)
-		pods := initPods(node)
-
-		fakeClient := &fake.Clientset{}
-		fakeClient.Fake.AddReactor("list", "pods", func(action core.Action) (bool, runtime.Object, error) {
-			return true, &v1.PodList{Items: pods}, nil
-		})
-
-		podEvictor := evictions.NewPodEvictor(
-			fakeClient,
-			"v1",
-			false,
-			tc.maxPodsToEvict,
-			[]*v1.Node{node},
-		)
-
-		RemovePodsHavingTooManyRestarts(fakeClient, tc.strategy, []*v1.Node{node}, false, podEvictor)
-		actualEvictedPodCount := podEvictor.TotalEvicted()
-		if actualEvictedPodCount != tc.expectedEvictedPodCount {
-			t.Errorf("Test %#v failed, expected %v pod evictions, but got %v pod evictions\n", tc.description, tc.expectedEvictedPodCount, actualEvictedPodCount)
-		}
-	}
-
-}

pkg/utils/pod.go

@@ -1,195 +0,0 @@
-package utils
-
-import (
-	"fmt"
-
-	v1 "k8s.io/api/core/v1"
-	"k8s.io/apimachinery/pkg/api/resource"
-	utilfeature "k8s.io/apiserver/pkg/util/feature"
-	"k8s.io/component-base/featuregate"
-	"k8s.io/klog"
-)
-
-const (
-	// owner: @jinxu
-	// beta: v1.10
-	//
-	// New local storage types to support local storage capacity isolation
-	LocalStorageCapacityIsolation featuregate.Feature = "LocalStorageCapacityIsolation"
-
-	// owner: @egernst
-	// alpha: v1.16
-	//
-	// Enables PodOverhead, for accounting pod overheads which are specific to a given RuntimeClass
-	PodOverhead featuregate.Feature = "PodOverhead"
-)
-
-// GetResourceRequest finds and returns the request value for a specific resource.
-func GetResourceRequest(pod *v1.Pod, resource v1.ResourceName) int64 {
-	if resource == v1.ResourcePods {
-		return 1
-	}
-
-	requestQuantity := GetResourceRequestQuantity(pod, resource)
-
-	if resource == v1.ResourceCPU {
-		return requestQuantity.MilliValue()
-	}
-
-	return requestQuantity.Value()
-}
-
-// GetResourceRequestQuantity finds and returns the request quantity for a specific resource.
-func GetResourceRequestQuantity(pod *v1.Pod, resourceName v1.ResourceName) resource.Quantity {
-	requestQuantity := resource.Quantity{}
-
-	switch resourceName {
-	case v1.ResourceCPU:
-		requestQuantity = resource.Quantity{Format: resource.DecimalSI}
-	case v1.ResourceMemory, v1.ResourceStorage, v1.ResourceEphemeralStorage:
-		requestQuantity = resource.Quantity{Format: resource.BinarySI}
-	default:
-		requestQuantity = resource.Quantity{Format: resource.DecimalSI}
-	}
-
-	if resourceName == v1.ResourceEphemeralStorage && !utilfeature.DefaultFeatureGate.Enabled(LocalStorageCapacityIsolation) {
-		// if the local storage capacity isolation feature gate is disabled, pods request 0 disk
-		return requestQuantity
-	}
-
-	for _, container := range pod.Spec.Containers {
-		if rQuantity, ok := container.Resources.Requests[resourceName]; ok {
-			requestQuantity.Add(rQuantity)
-		}
-	}
-
-	for _, container := range pod.Spec.InitContainers {
-		if rQuantity, ok := container.Resources.Requests[resourceName]; ok {
-			if requestQuantity.Cmp(rQuantity) < 0 {
-				requestQuantity = rQuantity.DeepCopy()
-			}
-		}
-	}
-
-	// if PodOverhead feature is supported, add overhead for running a pod
-	// to the total requests if the resource total is non-zero
-	if pod.Spec.Overhead != nil && utilfeature.DefaultFeatureGate.Enabled(PodOverhead) {
-		if podOverhead, ok := pod.Spec.Overhead[resourceName]; ok && !requestQuantity.IsZero() {
-			requestQuantity.Add(podOverhead)
-		}
-	}
-
-	return requestQuantity
-}
-
-// IsMirrorPod returns true if the passed Pod is a Mirror Pod.
-func IsMirrorPod(pod *v1.Pod) bool {
-	_, ok := pod.Annotations[v1.MirrorPodAnnotationKey]
-	return ok
-}
-
-// IsStaticPod returns true if the pod is a static pod.
-func IsStaticPod(pod *v1.Pod) bool {
-	source, err := GetPodSource(pod)
-	return err == nil && source != "api"
-}
-
-// GetPodSource returns the source of the pod based on the annotation.
-func GetPodSource(pod *v1.Pod) (string, error) {
-	if pod.Annotations != nil {
-		if source, ok := pod.Annotations["kubernetes.io/config.source"]; ok {
-			return source, nil
-		}
-	}
-	return "", fmt.Errorf("cannot get source of pod %q", pod.UID)
-}
-
-// IsCriticalPod returns true if pod's priority is greater than or equal to SystemCriticalPriority.
-func IsCriticalPod(pod *v1.Pod) bool {
-	if IsStaticPod(pod) {
-		return true
-	}
-	if IsMirrorPod(pod) {
-		return true
-	}
-	if pod.Spec.Priority != nil && IsCriticalPodBasedOnPriority(*pod.Spec.Priority) {
-		return true
-	}
-	return false
-}
-
-// IsCriticalPodBasedOnPriority checks if the given pod is a critical pod based on priority resolved from pod Spec.
-func IsCriticalPodBasedOnPriority(priority int32) bool {
-	return priority >= SystemCriticalPriority
-}
-
-// PodRequestsAndLimits returns a dictionary of all defined resources summed up for all
-// containers of the pod. If PodOverhead feature is enabled, pod overhead is added to the
-// total container resource requests and to the total container limits which have a
-// non-zero quantity.
-func PodRequestsAndLimits(pod *v1.Pod) (reqs, limits v1.ResourceList) {
-	reqs, limits = v1.ResourceList{}, v1.ResourceList{}
-	for _, container := range pod.Spec.Containers {
-		addResourceList(reqs, container.Resources.Requests)
-		addResourceList(limits, container.Resources.Limits)
-	}
-	// init containers define the minimum of any resource
-	for _, container := range pod.Spec.InitContainers {
-		maxResourceList(reqs, container.Resources.Requests)
-		maxResourceList(limits, container.Resources.Limits)
-	}
-
-	// if PodOverhead feature is supported, add overhead for running a pod
-	// to the sum of reqeuests and to non-zero limits:
-	if pod.Spec.Overhead != nil && utilfeature.DefaultFeatureGate.Enabled(PodOverhead) {
-		addResourceList(reqs, pod.Spec.Overhead)
-
-		for name, quantity := range pod.Spec.Overhead {
-			if value, ok := limits[name]; ok && !value.IsZero() {
-				value.Add(quantity)
-				limits[name] = value
-			}
-		}
-	}
-
-	return
-}
-
-// addResourceList adds the resources in newList to list
-func addResourceList(list, newList v1.ResourceList) {
-	for name, quantity := range newList {
-		if value, ok := list[name]; !ok {
-			list[name] = quantity.DeepCopy()
-		} else {
-			value.Add(quantity)
-			list[name] = value
-		}
-	}
-}
-
-// maxResourceList sets list to the greater of list/newList for every resource
-// either list
-func maxResourceList(list, new v1.ResourceList) {
-	for name, quantity := range new {
-		if value, ok := list[name]; !ok {
-			list[name] = quantity.DeepCopy()
-			continue
-		} else {
-			if quantity.Cmp(value) > 0 {
-				list[name] = quantity.DeepCopy()
-			}
-		}
-	}
-}
-
-// PodToleratesTaints returns true if a pod tolerates one node's taints
-func PodToleratesTaints(pod *v1.Pod, taintsOfNodes map[string][]v1.Taint) bool {
-	for nodeName, taintsForNode := range taintsOfNodes {
-		if len(pod.Spec.Tolerations) >= len(taintsForNode) && TolerationsTolerateTaintsWithFilter(pod.Spec.Tolerations, taintsForNode, nil) {
-			return true
-		}
-		klog.V(5).Infof("pod: %#v doesn't tolerate node %s's taints", pod.Name, nodeName)
-	}
-
-	return false
-}

pkg/utils/predicates.go

@@ -1,160 +0,0 @@
-/*
-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 utils
-
-import (
-	"fmt"
-
-	v1 "k8s.io/api/core/v1"
-	"k8s.io/apimachinery/pkg/labels"
-	"k8s.io/apimachinery/pkg/selection"
-	"k8s.io/klog"
-)
-
-// The following code has been copied from predicates package to avoid the
-// huge vendoring issues, mostly copied from
-// k8s.io/kubernetes/plugin/pkg/scheduler/algorithm/predicates/
-// Some minor changes have been made to ease the imports, but most of the code
-// remains untouched
-
-// PodMatchNodeSelector checks if a pod node selector matches the node label.
-func PodMatchNodeSelector(pod *v1.Pod, node *v1.Node) (bool, error) {
-	if node == nil {
-		return false, fmt.Errorf("node not found")
-	}
-	if podMatchesNodeLabels(pod, node) {
-		return true, nil
-	}
-	return false, nil
-}
-
-// The pod can only schedule onto nodes that satisfy requirements in both NodeAffinity and nodeSelector.
-func podMatchesNodeLabels(pod *v1.Pod, node *v1.Node) bool {
-	// Check if node.Labels match pod.Spec.NodeSelector.
-	if len(pod.Spec.NodeSelector) > 0 {
-		selector := labels.SelectorFromSet(pod.Spec.NodeSelector)
-		if !selector.Matches(labels.Set(node.Labels)) {
-			return false
-		}
-	}
-
-	// 1. nil NodeSelector matches all nodes (i.e. does not filter out any nodes)
-	// 2. nil []NodeSelectorTerm (equivalent to non-nil empty NodeSelector) matches no nodes
-	// 3. zero-length non-nil []NodeSelectorTerm matches no nodes also, just for simplicity
-	// 4. nil []NodeSelectorRequirement (equivalent to non-nil empty NodeSelectorTerm) matches no nodes
-	// 5. zero-length non-nil []NodeSelectorRequirement matches no nodes also, just for simplicity
-	// 6. non-nil empty NodeSelectorRequirement is not allowed
-
-	affinity := pod.Spec.Affinity
-	if affinity != nil && affinity.NodeAffinity != nil {
-		nodeAffinity := affinity.NodeAffinity
-		// if no required NodeAffinity requirements, will do no-op, means select all nodes.
-		if nodeAffinity.RequiredDuringSchedulingIgnoredDuringExecution == nil {
-			return true
-		}
-
-		// Match node selector for requiredDuringSchedulingIgnoredDuringExecution.
-		if nodeAffinity.RequiredDuringSchedulingIgnoredDuringExecution != nil {
-			nodeSelectorTerms := nodeAffinity.RequiredDuringSchedulingIgnoredDuringExecution.NodeSelectorTerms
-			klog.V(10).Infof("Match for RequiredDuringSchedulingIgnoredDuringExecution node selector terms %+v", nodeSelectorTerms)
-			return nodeMatchesNodeSelectorTerms(node, nodeSelectorTerms)
-		}
-	}
-	return true
-}
-
-// nodeMatchesNodeSelectorTerms checks if a node's labels satisfy a list of node selector terms,
-// terms are ORed, and an empty list of terms will match nothing.
-func nodeMatchesNodeSelectorTerms(node *v1.Node, nodeSelectorTerms []v1.NodeSelectorTerm) bool {
-	for _, req := range nodeSelectorTerms {
-		nodeSelector, err := NodeSelectorRequirementsAsSelector(req.MatchExpressions)
-		if err != nil {
-			klog.V(10).Infof("Failed to parse MatchExpressions: %+v, regarding as not match.", req.MatchExpressions)
-			return false
-		}
-		if nodeSelector.Matches(labels.Set(node.Labels)) {
-			return true
-		}
-	}
-	return false
-}
-
-// NodeSelectorRequirementsAsSelector converts the []NodeSelectorRequirement api type into a struct that implements
-// labels.Selector.
-func NodeSelectorRequirementsAsSelector(nsm []v1.NodeSelectorRequirement) (labels.Selector, error) {
-	if len(nsm) == 0 {
-		return labels.Nothing(), nil
-	}
-	selector := labels.NewSelector()
-	for _, expr := range nsm {
-		var op selection.Operator
-		switch expr.Operator {
-		case v1.NodeSelectorOpIn:
-			op = selection.In
-		case v1.NodeSelectorOpNotIn:
-			op = selection.NotIn
-		case v1.NodeSelectorOpExists:
-			op = selection.Exists
-		case v1.NodeSelectorOpDoesNotExist:
-			op = selection.DoesNotExist
-		case v1.NodeSelectorOpGt:
-			op = selection.GreaterThan
-		case v1.NodeSelectorOpLt:
-			op = selection.LessThan
-		default:
-			return nil, fmt.Errorf("%q is not a valid node selector operator", expr.Operator)
-		}
-		r, err := labels.NewRequirement(expr.Key, op, expr.Values)
-		if err != nil {
-			return nil, err
-		}
-		selector = selector.Add(*r)
-	}
-	return selector, nil
-}
-
-// TolerationsTolerateTaint checks if taint is tolerated by any of the tolerations.
-func TolerationsTolerateTaint(tolerations []v1.Toleration, taint *v1.Taint) bool {
-	for i := range tolerations {
-		if tolerations[i].ToleratesTaint(taint) {
-			return true
-		}
-	}
-	return false
-}
-
-type taintsFilterFunc func(*v1.Taint) bool
-
-// TolerationsTolerateTaintsWithFilter checks if given tolerations tolerates
-// all the taints that apply to the filter in given taint list.
-func TolerationsTolerateTaintsWithFilter(tolerations []v1.Toleration, taints []v1.Taint, applyFilter taintsFilterFunc) bool {
-	if len(taints) == 0 {
-		return true
-	}
-
-	for i := range taints {
-		if applyFilter != nil && !applyFilter(&taints[i]) {
-			continue
-		}
-
-		if !TolerationsTolerateTaint(tolerations, &taints[i]) {
-			return false
-		}
-	}
-
-	return true
-}

pkg/utils/priority.go

@@ -1,35 +0,0 @@
-package utils
-
-import (
-	v1 "k8s.io/api/core/v1"
-	"k8s.io/apimachinery/pkg/labels"
-	"k8s.io/apimachinery/pkg/util/sets"
-)
-
-const SystemCriticalPriority = 2 * int32(1000000000)
-
-// GetNamespacesFromPodAffinityTerm returns a set of names
-// according to the namespaces indicated in podAffinityTerm.
-// If namespaces is empty it considers the given pod's namespace.
-func GetNamespacesFromPodAffinityTerm(pod *v1.Pod, podAffinityTerm *v1.PodAffinityTerm) sets.String {
-	names := sets.String{}
-	if len(podAffinityTerm.Namespaces) == 0 {
-		names.Insert(pod.Namespace)
-	} else {
-		names.Insert(podAffinityTerm.Namespaces...)
-	}
-	return names
-}
-
-// PodMatchesTermsNamespaceAndSelector returns true if the given <pod>
-// matches the namespace and selector defined by <affinityPod>`s <term>.
-func PodMatchesTermsNamespaceAndSelector(pod *v1.Pod, namespaces sets.String, selector labels.Selector) bool {
-	if !namespaces.Has(pod.Namespace) {
-		return false
-	}
-
-	if !selector.Matches(labels.Set(pod.Labels)) {
-		return false
-	}
-	return true
-}

pkg/utils/qos.go

@@ -1,85 +0,0 @@
-package utils
-
-import (
-	"k8s.io/api/core/v1"
-	"k8s.io/apimachinery/pkg/api/resource"
-	"k8s.io/apimachinery/pkg/util/sets"
-)
-
-var supportedQoSComputeResources = sets.NewString(string(v1.ResourceCPU), string(v1.ResourceMemory))
-
-// QOSList is a set of (resource name, QoS class) pairs.
-type QOSList map[v1.ResourceName]v1.PodQOSClass
-
-func isSupportedQoSComputeResource(name v1.ResourceName) bool {
-	return supportedQoSComputeResources.Has(string(name))
-}
-
-// GetPodQOS returns the QoS class of a pod.
-// A pod is besteffort if none of its containers have specified any requests or limits.
-// A pod is guaranteed only when requests and limits are specified for all the containers and they are equal.
-// A pod is burstable if limits and requests do not match across all containers.
-func GetPodQOS(pod *v1.Pod) v1.PodQOSClass {
-	requests := v1.ResourceList{}
-	limits := v1.ResourceList{}
-	zeroQuantity := resource.MustParse("0")
-	isGuaranteed := true
-	allContainers := []v1.Container{}
-	allContainers = append(allContainers, pod.Spec.Containers...)
-	allContainers = append(allContainers, pod.Spec.InitContainers...)
-	for _, container := range allContainers {
-		// process requests
-		for name, quantity := range container.Resources.Requests {
-			if !isSupportedQoSComputeResource(name) {
-				continue
-			}
-			if quantity.Cmp(zeroQuantity) == 1 {
-				delta := quantity.DeepCopy()
-				if _, exists := requests[name]; !exists {
-					requests[name] = delta
-				} else {
-					delta.Add(requests[name])
-					requests[name] = delta
-				}
-			}
-		}
-		// process limits
-		qosLimitsFound := sets.NewString()
-		for name, quantity := range container.Resources.Limits {
-			if !isSupportedQoSComputeResource(name) {
-				continue
-			}
-			if quantity.Cmp(zeroQuantity) == 1 {
-				qosLimitsFound.Insert(string(name))
-				delta := quantity.DeepCopy()
-				if _, exists := limits[name]; !exists {
-					limits[name] = delta
-				} else {
-					delta.Add(limits[name])
-					limits[name] = delta
-				}
-			}
-		}
-
-		if !qosLimitsFound.HasAll(string(v1.ResourceMemory), string(v1.ResourceCPU)) {
-			isGuaranteed = false
-		}
-	}
-	if len(requests) == 0 && len(limits) == 0 {
-		return v1.PodQOSBestEffort
-	}
-	// Check is requests match limits for all resources.
-	if isGuaranteed {
-		for name, req := range requests {
-			if lim, exists := limits[name]; !exists || lim.Cmp(req) != 0 {
-				isGuaranteed = false
-				break
-			}
-		}
-	}
-	if isGuaranteed &&
-		len(requests) == len(limits) {
-		return v1.PodQOSGuaranteed
-	}
-	return v1.PodQOSBurstable
-}

test/e2e/e2e_test.go

@@ -1,278 +0,0 @@
-/*
-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 e2e
-
-import (
-	"math"
-	"testing"
-	"time"
-
-	v1 "k8s.io/api/core/v1"
-	"k8s.io/apimachinery/pkg/api/resource"
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	"k8s.io/client-go/informers"
-	coreinformers "k8s.io/client-go/informers/core/v1"
-	clientset "k8s.io/client-go/kubernetes"
-	"k8s.io/klog"
-	"sigs.k8s.io/descheduler/cmd/descheduler/app/options"
-	"sigs.k8s.io/descheduler/pkg/api"
-	deschedulerapi "sigs.k8s.io/descheduler/pkg/api"
-	"sigs.k8s.io/descheduler/pkg/descheduler"
-	"sigs.k8s.io/descheduler/pkg/descheduler/client"
-	"sigs.k8s.io/descheduler/pkg/descheduler/evictions"
-	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/descheduler/strategies"
-)
-
-func MakePodSpec() v1.PodSpec {
-	return v1.PodSpec{
-		Containers: []v1.Container{{
-			Name:            "pause",
-			ImagePullPolicy: "Never",
-			Image:           "kubernetes/pause",
-			Ports:           []v1.ContainerPort{{ContainerPort: 80}},
-			Resources: v1.ResourceRequirements{
-				Limits: v1.ResourceList{
-					v1.ResourceCPU:    resource.MustParse("100m"),
-					v1.ResourceMemory: resource.MustParse("1000Mi"),
-				},
-				Requests: v1.ResourceList{
-					v1.ResourceCPU:    resource.MustParse("100m"),
-					v1.ResourceMemory: resource.MustParse("800Mi"),
-				},
-			},
-		}},
-	}
-}
-
-// RcByNameContainer returns a ReplicationControoler with specified name and container
-func RcByNameContainer(name string, replicas int32, labels map[string]string, gracePeriod *int64) *v1.ReplicationController {
-
-	zeroGracePeriod := int64(0)
-
-	// Add "name": name to the labels, overwriting if it exists.
-	labels["name"] = name
-	if gracePeriod == nil {
-		gracePeriod = &zeroGracePeriod
-	}
-	return &v1.ReplicationController{
-		TypeMeta: metav1.TypeMeta{
-			Kind:       "ReplicationController",
-			APIVersion: "v1",
-		},
-		ObjectMeta: metav1.ObjectMeta{
-			Name: name,
-		},
-		Spec: v1.ReplicationControllerSpec{
-			Replicas: func(i int32) *int32 { return &i }(replicas),
-			Selector: map[string]string{
-				"name": name,
-			},
-			Template: &v1.PodTemplateSpec{
-				ObjectMeta: metav1.ObjectMeta{
-					Labels: labels,
-				},
-				Spec: MakePodSpec(),
-			},
-		},
-	}
-}
-
-// startEndToEndForLowNodeUtilization tests the lownode utilization strategy.
-func startEndToEndForLowNodeUtilization(clientset clientset.Interface, nodeInformer coreinformers.NodeInformer) {
-	var thresholds = make(deschedulerapi.ResourceThresholds)
-	var targetThresholds = make(deschedulerapi.ResourceThresholds)
-	thresholds[v1.ResourceMemory] = 20
-	thresholds[v1.ResourcePods] = 20
-	thresholds[v1.ResourceCPU] = 85
-	targetThresholds[v1.ResourceMemory] = 20
-	targetThresholds[v1.ResourcePods] = 20
-	targetThresholds[v1.ResourceCPU] = 90
-	// Run descheduler.
-	evictionPolicyGroupVersion, err := eutils.SupportEviction(clientset)
-	if err != nil || len(evictionPolicyGroupVersion) == 0 {
-		klog.Fatalf("%v", err)
-	}
-	stopChannel := make(chan struct{})
-	nodes, err := nodeutil.ReadyNodes(clientset, nodeInformer, "", stopChannel)
-	if err != nil {
-		klog.Fatalf("%v", err)
-	}
-
-	lowNodeUtilizationStrategy := deschedulerapi.DeschedulerStrategy{
-		Enabled: true,
-		Params: deschedulerapi.StrategyParameters{
-			NodeResourceUtilizationThresholds: &deschedulerapi.NodeResourceUtilizationThresholds{
-				Thresholds:       thresholds,
-				TargetThresholds: targetThresholds,
-			},
-		},
-	}
-
-	podEvictor := evictions.NewPodEvictor(
-		clientset,
-		evictionPolicyGroupVersion,
-		false,
-		0,
-		nodes,
-	)
-
-	strategies.LowNodeUtilization(clientset, lowNodeUtilizationStrategy, nodes, false, podEvictor)
-	time.Sleep(10 * time.Second)
-}
-
-func TestE2E(t *testing.T) {
-	// If we have reached here, it means cluster would have been already setup and the kubeconfig file should
-	// be in /tmp directory as admin.conf.
-	clientSet, err := client.CreateClient("/tmp/admin.conf")
-	if err != nil {
-		t.Errorf("Error during client creation with %v", err)
-	}
-	nodeList, err := clientSet.CoreV1().Nodes().List(metav1.ListOptions{})
-	if err != nil {
-		t.Errorf("Error listing node with %v", err)
-	}
-	sharedInformerFactory := informers.NewSharedInformerFactory(clientSet, 0)
-	nodeInformer := sharedInformerFactory.Core().V1().Nodes()
-
-	stopChannel := make(chan struct{}, 0)
-	sharedInformerFactory.Start(stopChannel)
-	sharedInformerFactory.WaitForCacheSync(stopChannel)
-	defer close(stopChannel)
-
-	// Assumption: We would have 3 node cluster by now. Kubeadm brings all the master components onto master node.
-	// So, the last node would have least utilization.
-	rc := RcByNameContainer("test-rc", int32(15), map[string]string{"test": "app"}, nil)
-	_, err = clientSet.CoreV1().ReplicationControllers("default").Create(rc)
-	if err != nil {
-		t.Errorf("Error creating deployment %v", err)
-	}
-	evictPods(t, clientSet, nodeInformer, nodeList, rc)
-
-	rc.Spec.Template.Annotations = map[string]string{"descheduler.alpha.kubernetes.io/evict": "true"}
-	rc.Spec.Replicas = func(i int32) *int32 { return &i }(15)
-	rc.Spec.Template.Spec.Volumes = []v1.Volume{
-		{
-			Name: "sample",
-			VolumeSource: v1.VolumeSource{
-				EmptyDir: &v1.EmptyDirVolumeSource{
-					SizeLimit: resource.NewQuantity(int64(10), resource.BinarySI)},
-			},
-		},
-	}
-	_, err = clientSet.CoreV1().ReplicationControllers("default").Create(rc)
-	if err != nil {
-		t.Errorf("Error creating deployment %v", err)
-	}
-	evictPods(t, clientSet, nodeInformer, nodeList, rc)
-}
-
-func TestDeschedulingInterval(t *testing.T) {
-	clientSet, err := client.CreateClient("/tmp/admin.conf")
-	if err != nil {
-		t.Errorf("Error during client creation with %v", err)
-	}
-
-	// By default, the DeschedulingInterval param should be set to 0, meaning Descheduler only runs once then exits
-	s := options.NewDeschedulerServer()
-	s.Client = clientSet
-
-	deschedulerPolicy := &api.DeschedulerPolicy{}
-
-	c := make(chan bool)
-	go func() {
-		evictionPolicyGroupVersion, err := eutils.SupportEviction(s.Client)
-		if err != nil || len(evictionPolicyGroupVersion) == 0 {
-			t.Errorf("Error when checking support for eviction: %v", err)
-		}
-
-		stopChannel := make(chan struct{})
-		if err := descheduler.RunDeschedulerStrategies(s, deschedulerPolicy, evictionPolicyGroupVersion, stopChannel); err != nil {
-			t.Errorf("Error running descheduler strategies: %+v", err)
-		}
-		c <- true
-	}()
-
-	select {
-	case <-c:
-		// successfully returned
-	case <-time.After(3 * time.Minute):
-		t.Errorf("descheduler.Run timed out even without descheduling-interval set")
-	}
-}
-
-func evictPods(t *testing.T, clientSet clientset.Interface, nodeInformer coreinformers.NodeInformer, nodeList *v1.NodeList, rc *v1.ReplicationController) {
-	var leastLoadedNode v1.Node
-	podsBefore := math.MaxInt16
-	for i := range nodeList.Items {
-		// Skip the Master Node
-		if _, exist := nodeList.Items[i].Labels["node-role.kubernetes.io/master"]; exist {
-			continue
-		}
-		// List all the pods on the current Node
-		podsOnANode, err := podutil.ListEvictablePodsOnNode(clientSet, &nodeList.Items[i], true)
-		if err != nil {
-			t.Errorf("Error listing pods on a node %v", err)
-		}
-		// Update leastLoadedNode if necessary
-		if tmpLoads := len(podsOnANode); tmpLoads < podsBefore {
-			leastLoadedNode = nodeList.Items[i]
-			podsBefore = tmpLoads
-		}
-	}
-	t.Log("Eviction of pods starting")
-	startEndToEndForLowNodeUtilization(clientSet, nodeInformer)
-	podsOnleastUtilizedNode, err := podutil.ListEvictablePodsOnNode(clientSet, &leastLoadedNode, true)
-	if err != nil {
-		t.Errorf("Error listing pods on a node %v", err)
-	}
-	podsAfter := len(podsOnleastUtilizedNode)
-	if podsBefore > podsAfter {
-		t.Fatalf("We should have see more pods on this node as per kubeadm's way of installing %v, %v", podsBefore, podsAfter)
-	}
-
-	//set number of replicas to 0
-	rc.Spec.Replicas = func(i int32) *int32 { return &i }(0)
-	_, err = clientSet.CoreV1().ReplicationControllers("default").Update(rc)
-	if err != nil {
-		t.Errorf("Error updating replica controller %v", err)
-	}
-	allPodsDeleted := false
-	//wait 30 seconds until all pods are deleted
-	for i := 0; i < 6; i++ {
-		scale, _ := clientSet.CoreV1().ReplicationControllers("default").GetScale(rc.Name, metav1.GetOptions{})
-		if scale.Spec.Replicas == 0 {
-			allPodsDeleted = true
-			break
-		}
-		time.Sleep(5 * time.Second)
-	}
-
-	if !allPodsDeleted {
-		t.Errorf("Deleting of rc pods took too long")
-	}
-
-	err = clientSet.CoreV1().ReplicationControllers("default").Delete(rc.Name, &metav1.DeleteOptions{})
-	if err != nil {
-		t.Errorf("Error deleting rc %v", err)
-	}
-
-	//wait until rc is deleted
-	time.Sleep(5 * time.Second)
-}

test/run-e2e-tests.sh

@@ -1,36 +0,0 @@
-# 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.
-
-#!/bin/bash
-
-# This just run e2e tests.
-if [ -n "$KIND_E2E" ]; then
-    K8S_VERSION=${KUBERNETES_VERSION:-v1.17.5}
-    curl -Lo kubectl https://storage.googleapis.com/kubernetes-release/release/${K8S_VERSION}/bin/linux/amd64/kubectl && chmod +x kubectl && sudo mv kubectl /usr/local/bin/
-    wget https://github.com/kubernetes-sigs/kind/releases/download/v0.8.1/kind-linux-amd64
-    chmod +x kind-linux-amd64
-    mv kind-linux-amd64 kind
-    export PATH=$PATH:$PWD
-    kind create cluster --image kindest/node:${K8S_VERSION} --config=./hack/kind_config.yaml
-    export KUBECONFIG="$(kind get kubeconfig-path)"
-    docker pull kubernetes/pause
-    kind load docker-image kubernetes/pause
-    kind get kubeconfig > /tmp/admin.conf
-    export KUBECONFIG="/tmp/admin.conf"
-    mkdir -p ~/gopath/src/sigs.k8s.io/
-    mv ~/gopath/src/github.com/kubernetes-sigs/descheduler ~/gopath/src/sigs.k8s.io/.
-fi
-
-PRJ_PREFIX="sigs.k8s.io/descheduler"
-go test ${PRJ_PREFIX}/test/e2e/ -v

test/run-unit-tests.sh

@@ -1,19 +0,0 @@
-# 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.
-
-#!/bin/bash
-
-# This just run unit-tests. Ignoring the current directory so as to avoid running e2e tests.
-PRJ_PREFIX="sigs.k8s.io/descheduler"
-go test $(go list ${PRJ_PREFIX}/... | grep -v ${PRJ_PREFIX}/vendor/| grep -v ${PRJ_PREFIX}/test/)

test/test_utils.go

@@ -1,118 +0,0 @@
-/*
-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 test
-
-import (
-	"fmt"
-
-	"k8s.io/api/core/v1"
-	"k8s.io/apimachinery/pkg/api/resource"
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-)
-
-// BuildTestPod creates a test pod with given parameters.
-func BuildTestPod(name string, cpu int64, memory int64, nodeName string, apply func(*v1.Pod)) *v1.Pod {
-	pod := &v1.Pod{
-		ObjectMeta: metav1.ObjectMeta{
-			Namespace: "default",
-			Name:      name,
-			SelfLink:  fmt.Sprintf("/api/v1/namespaces/default/pods/%s", name),
-		},
-		Spec: v1.PodSpec{
-			Containers: []v1.Container{
-				{
-					Resources: v1.ResourceRequirements{
-						Requests: v1.ResourceList{},
-						Limits:   v1.ResourceList{},
-					},
-				},
-			},
-			NodeName: nodeName,
-		},
-	}
-	if cpu >= 0 {
-		pod.Spec.Containers[0].Resources.Requests[v1.ResourceCPU] = *resource.NewMilliQuantity(cpu, resource.DecimalSI)
-	}
-	if memory >= 0 {
-		pod.Spec.Containers[0].Resources.Requests[v1.ResourceMemory] = *resource.NewQuantity(memory, resource.DecimalSI)
-	}
-	if apply != nil {
-		apply(pod)
-	}
-	return pod
-}
-
-// GetMirrorPodAnnotation returns the annotation needed for mirror pod.
-func GetMirrorPodAnnotation() map[string]string {
-	return map[string]string{
-		"kubernetes.io/created-by":    "{\"kind\":\"SerializedReference\",\"apiVersion\":\"v1\",\"reference\":{\"kind\":\"Pod\"}}",
-		"kubernetes.io/config.source": "api",
-		"kubernetes.io/config.mirror": "mirror",
-	}
-}
-
-// GetNormalPodOwnerRefList returns the ownerRef needed for a pod.
-func GetNormalPodOwnerRefList() []metav1.OwnerReference {
-	ownerRefList := make([]metav1.OwnerReference, 0)
-	ownerRefList = append(ownerRefList, metav1.OwnerReference{Kind: "Pod", APIVersion: "v1"})
-	return ownerRefList
-}
-
-// GetReplicaSetOwnerRefList returns the ownerRef needed for replicaset pod.
-func GetReplicaSetOwnerRefList() []metav1.OwnerReference {
-	ownerRefList := make([]metav1.OwnerReference, 0)
-	ownerRefList = append(ownerRefList, metav1.OwnerReference{Kind: "ReplicaSet", APIVersion: "v1", Name: "replicaset-1"})
-	return ownerRefList
-}
-
-// GetDaemonSetOwnerRefList returns the ownerRef needed for daemonset pod.
-func GetDaemonSetOwnerRefList() []metav1.OwnerReference {
-	ownerRefList := make([]metav1.OwnerReference, 0)
-	ownerRefList = append(ownerRefList, metav1.OwnerReference{Kind: "DaemonSet", APIVersion: "v1"})
-	return ownerRefList
-}
-
-// BuildTestNode creates a node with specified capacity.
-func BuildTestNode(name string, millicpu int64, mem int64, pods int64, apply func(*v1.Node)) *v1.Node {
-	node := &v1.Node{
-		ObjectMeta: metav1.ObjectMeta{
-			Name:     name,
-			SelfLink: fmt.Sprintf("/api/v1/nodes/%s", name),
-			Labels:   map[string]string{},
-		},
-		Status: v1.NodeStatus{
-			Capacity: v1.ResourceList{
-				v1.ResourcePods:   *resource.NewQuantity(pods, resource.DecimalSI),
-				v1.ResourceCPU:    *resource.NewMilliQuantity(millicpu, resource.DecimalSI),
-				v1.ResourceMemory: *resource.NewQuantity(mem, resource.DecimalSI),
-			},
-			Allocatable: v1.ResourceList{
-				v1.ResourcePods:   *resource.NewQuantity(pods, resource.DecimalSI),
-				v1.ResourceCPU:    *resource.NewMilliQuantity(millicpu, resource.DecimalSI),
-				v1.ResourceMemory: *resource.NewQuantity(mem, resource.DecimalSI),
-			},
-			Phase: v1.NodeRunning,
-			Conditions: []v1.NodeCondition{
-				{Type: v1.NodeReady, Status: v1.ConditionTrue},
-			},
-		},
-	}
-	if apply != nil {
-		apply(node)
-	}
-	return node
-}