Switch to github.com/golang/dep for vendoring
Signed-off-by: Mrunal Patel <mrunalp@gmail.com>
This commit is contained in:
Mrunal Patel
parent
d6ab91be27
commit
8e5b17cf13
15431 changed files with 3971413 additions and 8881 deletions
59
vendor/k8s.io/kubernetes/pkg/controller/podgc/BUILD
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59
vendor/k8s.io/kubernetes/pkg/controller/podgc/BUILD
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package(default_visibility = ["//visibility:public"])
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licenses(["notice"])
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load(
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"@io_bazel_rules_go//go:def.bzl",
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"go_library",
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"go_test",
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)
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go_library(
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name = "go_default_library",
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srcs = [
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"doc.go",
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"gc_controller.go",
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],
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tags = ["automanaged"],
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deps = [
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"//pkg/api/v1:go_default_library",
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"//pkg/client/cache:go_default_library",
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"//pkg/client/clientset_generated/clientset:go_default_library",
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"//pkg/controller:go_default_library",
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"//pkg/controller/informers:go_default_library",
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"//pkg/util/metrics:go_default_library",
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"//vendor:github.com/golang/glog",
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"//vendor:k8s.io/apimachinery/pkg/labels",
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"//vendor:k8s.io/apimachinery/pkg/util/runtime",
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"//vendor:k8s.io/apimachinery/pkg/util/sets",
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"//vendor:k8s.io/apimachinery/pkg/util/wait",
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],
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)
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go_test(
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name = "go_default_test",
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srcs = ["gc_controller_test.go"],
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library = ":go_default_library",
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tags = ["automanaged"],
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deps = [
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"//pkg/api/v1:go_default_library",
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"//pkg/client/clientset_generated/clientset/fake:go_default_library",
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"//pkg/controller/node/testutil:go_default_library",
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"//vendor:k8s.io/apimachinery/pkg/apis/meta/v1",
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"//vendor:k8s.io/apimachinery/pkg/labels",
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"//vendor:k8s.io/apimachinery/pkg/util/sets",
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],
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)
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filegroup(
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name = "package-srcs",
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srcs = glob(["**"]),
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tags = ["automanaged"],
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visibility = ["//visibility:private"],
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)
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filegroup(
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name = "all-srcs",
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srcs = [":package-srcs"],
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tags = ["automanaged"],
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)
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3
vendor/k8s.io/kubernetes/pkg/controller/podgc/OWNERS
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vendored
Executable file
3
vendor/k8s.io/kubernetes/pkg/controller/podgc/OWNERS
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reviewers:
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- foxish
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- gmarek
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25
vendor/k8s.io/kubernetes/pkg/controller/podgc/doc.go
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vendored
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25
vendor/k8s.io/kubernetes/pkg/controller/podgc/doc.go
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/*
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Copyright 2015 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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// Package podgc contains a very simple pod "garbage collector" implementation,
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// PodGCController, that runs in the controller manager. If the number of pods
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// in terminated phases (right now either Failed or Succeeded) surpasses a
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// configurable threshold, the controller will delete pods in terminated state
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// until the system reaches the allowed threshold again. The PodGCController
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// prioritizes pods to delete by sorting by creation timestamp and deleting the
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// oldest objects first. The PodGCController will not delete non-terminated
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// pods.
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package podgc // import "k8s.io/kubernetes/pkg/controller/podgc"
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212
vendor/k8s.io/kubernetes/pkg/controller/podgc/gc_controller.go
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212
vendor/k8s.io/kubernetes/pkg/controller/podgc/gc_controller.go
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/*
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Copyright 2015 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package podgc
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import (
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"sort"
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"sync"
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"time"
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"k8s.io/apimachinery/pkg/labels"
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utilruntime "k8s.io/apimachinery/pkg/util/runtime"
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"k8s.io/apimachinery/pkg/util/sets"
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"k8s.io/apimachinery/pkg/util/wait"
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"k8s.io/kubernetes/pkg/api/v1"
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"k8s.io/kubernetes/pkg/client/cache"
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"k8s.io/kubernetes/pkg/client/clientset_generated/clientset"
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"k8s.io/kubernetes/pkg/controller"
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"k8s.io/kubernetes/pkg/controller/informers"
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"k8s.io/kubernetes/pkg/util/metrics"
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"github.com/golang/glog"
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)
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const (
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gcCheckPeriod = 20 * time.Second
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)
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type PodGCController struct {
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kubeClient clientset.Interface
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// internalPodInformer is used to hold a personal informer. If we're using
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// a normal shared informer, then the informer will be started for us. If
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// we have a personal informer, we must start it ourselves. If you start
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// the controller using NewPodGC(..., passing SharedInformer, ...), this
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// will be null
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internalPodInformer cache.SharedIndexInformer
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podStore cache.StoreToPodLister
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podController cache.Controller
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deletePod func(namespace, name string) error
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terminatedPodThreshold int
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}
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func NewPodGC(kubeClient clientset.Interface, podInformer cache.SharedIndexInformer, terminatedPodThreshold int) *PodGCController {
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if kubeClient != nil && kubeClient.Core().RESTClient().GetRateLimiter() != nil {
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metrics.RegisterMetricAndTrackRateLimiterUsage("gc_controller", kubeClient.Core().RESTClient().GetRateLimiter())
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}
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gcc := &PodGCController{
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kubeClient: kubeClient,
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terminatedPodThreshold: terminatedPodThreshold,
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deletePod: func(namespace, name string) error {
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glog.Infof("PodGC is force deleting Pod: %v:%v", namespace, name)
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return kubeClient.Core().Pods(namespace).Delete(name, v1.NewDeleteOptions(0))
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},
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}
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gcc.podStore.Indexer = podInformer.GetIndexer()
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gcc.podController = podInformer.GetController()
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return gcc
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}
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func NewFromClient(
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kubeClient clientset.Interface,
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terminatedPodThreshold int,
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) *PodGCController {
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podInformer := informers.NewPodInformer(kubeClient, controller.NoResyncPeriodFunc())
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controller := NewPodGC(kubeClient, podInformer, terminatedPodThreshold)
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controller.internalPodInformer = podInformer
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return controller
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}
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func (gcc *PodGCController) Run(stop <-chan struct{}) {
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if gcc.internalPodInformer != nil {
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go gcc.podController.Run(stop)
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}
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go wait.Until(gcc.gc, gcCheckPeriod, stop)
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<-stop
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}
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func (gcc *PodGCController) gc() {
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if !gcc.podController.HasSynced() {
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glog.V(2).Infof("PodGCController is waiting for informer sync...")
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return
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}
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pods, err := gcc.podStore.List(labels.Everything())
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if err != nil {
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glog.Errorf("Error while listing all Pods: %v", err)
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return
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}
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if gcc.terminatedPodThreshold > 0 {
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gcc.gcTerminated(pods)
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}
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gcc.gcOrphaned(pods)
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gcc.gcUnscheduledTerminating(pods)
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}
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func isPodTerminated(pod *v1.Pod) bool {
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if phase := pod.Status.Phase; phase != v1.PodPending && phase != v1.PodRunning && phase != v1.PodUnknown {
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return true
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}
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return false
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}
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func (gcc *PodGCController) gcTerminated(pods []*v1.Pod) {
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terminatedPods := []*v1.Pod{}
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for _, pod := range pods {
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if isPodTerminated(pod) {
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terminatedPods = append(terminatedPods, pod)
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}
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}
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terminatedPodCount := len(terminatedPods)
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sort.Sort(byCreationTimestamp(terminatedPods))
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deleteCount := terminatedPodCount - gcc.terminatedPodThreshold
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if deleteCount > terminatedPodCount {
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deleteCount = terminatedPodCount
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}
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if deleteCount > 0 {
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glog.Infof("garbage collecting %v pods", deleteCount)
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}
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var wait sync.WaitGroup
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for i := 0; i < deleteCount; i++ {
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wait.Add(1)
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go func(namespace string, name string) {
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defer wait.Done()
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if err := gcc.deletePod(namespace, name); err != nil {
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// ignore not founds
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defer utilruntime.HandleError(err)
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}
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}(terminatedPods[i].Namespace, terminatedPods[i].Name)
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}
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wait.Wait()
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}
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// gcOrphaned deletes pods that are bound to nodes that don't exist.
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func (gcc *PodGCController) gcOrphaned(pods []*v1.Pod) {
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glog.V(4).Infof("GC'ing orphaned")
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// We want to get list of Nodes from the etcd, to make sure that it's as fresh as possible.
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nodes, err := gcc.kubeClient.Core().Nodes().List(v1.ListOptions{})
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if err != nil {
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return
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}
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nodeNames := sets.NewString()
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for i := range nodes.Items {
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nodeNames.Insert(nodes.Items[i].Name)
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}
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for _, pod := range pods {
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if pod.Spec.NodeName == "" {
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continue
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}
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if nodeNames.Has(pod.Spec.NodeName) {
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continue
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}
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glog.V(2).Infof("Found orphaned Pod %v assigned to the Node %v. Deleting.", pod.Name, pod.Spec.NodeName)
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if err := gcc.deletePod(pod.Namespace, pod.Name); err != nil {
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utilruntime.HandleError(err)
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} else {
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glog.V(0).Infof("Forced deletion of orphaned Pod %s succeeded", pod.Name)
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}
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}
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}
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// gcUnscheduledTerminating deletes pods that are terminating and haven't been scheduled to a particular node.
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func (gcc *PodGCController) gcUnscheduledTerminating(pods []*v1.Pod) {
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glog.V(4).Infof("GC'ing unscheduled pods which are terminating.")
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for _, pod := range pods {
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if pod.DeletionTimestamp == nil || len(pod.Spec.NodeName) > 0 {
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continue
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}
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glog.V(2).Infof("Found unscheduled terminating Pod %v not assigned to any Node. Deleting.", pod.Name)
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if err := gcc.deletePod(pod.Namespace, pod.Name); err != nil {
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utilruntime.HandleError(err)
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} else {
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glog.V(0).Infof("Forced deletion of unscheduled terminating Pod %s succeeded", pod.Name)
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}
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}
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}
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// byCreationTimestamp sorts a list by creation timestamp, using their names as a tie breaker.
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type byCreationTimestamp []*v1.Pod
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func (o byCreationTimestamp) Len() int { return len(o) }
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func (o byCreationTimestamp) Swap(i, j int) { o[i], o[j] = o[j], o[i] }
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func (o byCreationTimestamp) Less(i, j int) bool {
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||||
if o[i].CreationTimestamp.Equal(o[j].CreationTimestamp) {
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||||
return o[i].Name < o[j].Name
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||||
}
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||||
return o[i].CreationTimestamp.Before(o[j].CreationTimestamp)
|
||||
}
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293
vendor/k8s.io/kubernetes/pkg/controller/podgc/gc_controller_test.go
generated
vendored
Normal file
293
vendor/k8s.io/kubernetes/pkg/controller/podgc/gc_controller_test.go
generated
vendored
Normal file
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@ -0,0 +1,293 @@
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/*
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Copyright 2015 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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||||
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 podgc
|
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|
||||
import (
|
||||
"sync"
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"testing"
|
||||
"time"
|
||||
|
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
||||
"k8s.io/apimachinery/pkg/labels"
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||||
"k8s.io/apimachinery/pkg/util/sets"
|
||||
"k8s.io/kubernetes/pkg/api/v1"
|
||||
"k8s.io/kubernetes/pkg/client/clientset_generated/clientset/fake"
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||||
"k8s.io/kubernetes/pkg/controller/node/testutil"
|
||||
)
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type FakeController struct{}
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||||
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||||
func (*FakeController) Run(<-chan struct{}) {}
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||||
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||||
func (*FakeController) HasSynced() bool {
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||||
return true
|
||||
}
|
||||
|
||||
func (*FakeController) LastSyncResourceVersion() string {
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||||
return ""
|
||||
}
|
||||
|
||||
func TestGCTerminated(t *testing.T) {
|
||||
type nameToPhase struct {
|
||||
name string
|
||||
phase v1.PodPhase
|
||||
}
|
||||
|
||||
testCases := []struct {
|
||||
pods []nameToPhase
|
||||
threshold int
|
||||
deletedPodNames sets.String
|
||||
}{
|
||||
{
|
||||
pods: []nameToPhase{
|
||||
{name: "a", phase: v1.PodFailed},
|
||||
{name: "b", phase: v1.PodSucceeded},
|
||||
},
|
||||
threshold: 0,
|
||||
// threshold = 0 disables terminated pod deletion
|
||||
deletedPodNames: sets.NewString(),
|
||||
},
|
||||
{
|
||||
pods: []nameToPhase{
|
||||
{name: "a", phase: v1.PodFailed},
|
||||
{name: "b", phase: v1.PodSucceeded},
|
||||
{name: "c", phase: v1.PodFailed},
|
||||
},
|
||||
threshold: 1,
|
||||
deletedPodNames: sets.NewString("a", "b"),
|
||||
},
|
||||
{
|
||||
pods: []nameToPhase{
|
||||
{name: "a", phase: v1.PodRunning},
|
||||
{name: "b", phase: v1.PodSucceeded},
|
||||
{name: "c", phase: v1.PodFailed},
|
||||
},
|
||||
threshold: 1,
|
||||
deletedPodNames: sets.NewString("b"),
|
||||
},
|
||||
{
|
||||
pods: []nameToPhase{
|
||||
{name: "a", phase: v1.PodFailed},
|
||||
{name: "b", phase: v1.PodSucceeded},
|
||||
},
|
||||
threshold: 1,
|
||||
deletedPodNames: sets.NewString("a"),
|
||||
},
|
||||
{
|
||||
pods: []nameToPhase{
|
||||
{name: "a", phase: v1.PodFailed},
|
||||
{name: "b", phase: v1.PodSucceeded},
|
||||
},
|
||||
threshold: 5,
|
||||
deletedPodNames: sets.NewString(),
|
||||
},
|
||||
}
|
||||
|
||||
for i, test := range testCases {
|
||||
client := fake.NewSimpleClientset(&v1.NodeList{Items: []v1.Node{*testutil.NewNode("node")}})
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||||
gcc := NewFromClient(client, test.threshold)
|
||||
deletedPodNames := make([]string, 0)
|
||||
var lock sync.Mutex
|
||||
gcc.deletePod = func(_, name string) error {
|
||||
lock.Lock()
|
||||
defer lock.Unlock()
|
||||
deletedPodNames = append(deletedPodNames, name)
|
||||
return nil
|
||||
}
|
||||
|
||||
creationTime := time.Unix(0, 0)
|
||||
for _, pod := range test.pods {
|
||||
creationTime = creationTime.Add(1 * time.Hour)
|
||||
gcc.podStore.Indexer.Add(&v1.Pod{
|
||||
ObjectMeta: v1.ObjectMeta{Name: pod.name, CreationTimestamp: metav1.Time{Time: creationTime}},
|
||||
Status: v1.PodStatus{Phase: pod.phase},
|
||||
Spec: v1.PodSpec{NodeName: "node"},
|
||||
})
|
||||
}
|
||||
|
||||
gcc.podController = &FakeController{}
|
||||
|
||||
gcc.gc()
|
||||
|
||||
pass := true
|
||||
for _, pod := range deletedPodNames {
|
||||
if !test.deletedPodNames.Has(pod) {
|
||||
pass = false
|
||||
}
|
||||
}
|
||||
if len(deletedPodNames) != len(test.deletedPodNames) {
|
||||
pass = false
|
||||
}
|
||||
if !pass {
|
||||
t.Errorf("[%v]pod's deleted expected and actual did not match.\n\texpected: %v\n\tactual: %v", i, test.deletedPodNames, deletedPodNames)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func TestGCOrphaned(t *testing.T) {
|
||||
type nameToPhase struct {
|
||||
name string
|
||||
phase v1.PodPhase
|
||||
}
|
||||
|
||||
testCases := []struct {
|
||||
pods []nameToPhase
|
||||
threshold int
|
||||
deletedPodNames sets.String
|
||||
}{
|
||||
{
|
||||
pods: []nameToPhase{
|
||||
{name: "a", phase: v1.PodFailed},
|
||||
{name: "b", phase: v1.PodSucceeded},
|
||||
},
|
||||
threshold: 0,
|
||||
deletedPodNames: sets.NewString("a", "b"),
|
||||
},
|
||||
{
|
||||
pods: []nameToPhase{
|
||||
{name: "a", phase: v1.PodRunning},
|
||||
},
|
||||
threshold: 1,
|
||||
deletedPodNames: sets.NewString("a"),
|
||||
},
|
||||
}
|
||||
|
||||
for i, test := range testCases {
|
||||
client := fake.NewSimpleClientset()
|
||||
gcc := NewFromClient(client, test.threshold)
|
||||
deletedPodNames := make([]string, 0)
|
||||
var lock sync.Mutex
|
||||
gcc.deletePod = func(_, name string) error {
|
||||
lock.Lock()
|
||||
defer lock.Unlock()
|
||||
deletedPodNames = append(deletedPodNames, name)
|
||||
return nil
|
||||
}
|
||||
|
||||
creationTime := time.Unix(0, 0)
|
||||
for _, pod := range test.pods {
|
||||
creationTime = creationTime.Add(1 * time.Hour)
|
||||
gcc.podStore.Indexer.Add(&v1.Pod{
|
||||
ObjectMeta: v1.ObjectMeta{Name: pod.name, CreationTimestamp: metav1.Time{Time: creationTime}},
|
||||
Status: v1.PodStatus{Phase: pod.phase},
|
||||
Spec: v1.PodSpec{NodeName: "node"},
|
||||
})
|
||||
}
|
||||
|
||||
gcc.podController = &FakeController{}
|
||||
|
||||
pods, err := gcc.podStore.List(labels.Everything())
|
||||
if err != nil {
|
||||
t.Errorf("Error while listing all Pods: %v", err)
|
||||
return
|
||||
}
|
||||
gcc.gcOrphaned(pods)
|
||||
|
||||
pass := true
|
||||
for _, pod := range deletedPodNames {
|
||||
if !test.deletedPodNames.Has(pod) {
|
||||
pass = false
|
||||
}
|
||||
}
|
||||
if len(deletedPodNames) != len(test.deletedPodNames) {
|
||||
pass = false
|
||||
}
|
||||
if !pass {
|
||||
t.Errorf("[%v]pod's deleted expected and actual did not match.\n\texpected: %v\n\tactual: %v", i, test.deletedPodNames, deletedPodNames)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func TestGCUnscheduledTerminating(t *testing.T) {
|
||||
type nameToPhase struct {
|
||||
name string
|
||||
phase v1.PodPhase
|
||||
deletionTimeStamp *metav1.Time
|
||||
nodeName string
|
||||
}
|
||||
|
||||
testCases := []struct {
|
||||
name string
|
||||
pods []nameToPhase
|
||||
deletedPodNames sets.String
|
||||
}{
|
||||
{
|
||||
name: "Unscheduled pod in any phase must be deleted",
|
||||
pods: []nameToPhase{
|
||||
{name: "a", phase: v1.PodFailed, deletionTimeStamp: &metav1.Time{}, nodeName: ""},
|
||||
{name: "b", phase: v1.PodSucceeded, deletionTimeStamp: &metav1.Time{}, nodeName: ""},
|
||||
{name: "c", phase: v1.PodRunning, deletionTimeStamp: &metav1.Time{}, nodeName: ""},
|
||||
},
|
||||
deletedPodNames: sets.NewString("a", "b", "c"),
|
||||
},
|
||||
{
|
||||
name: "Scheduled pod in any phase must not be deleted",
|
||||
pods: []nameToPhase{
|
||||
{name: "a", phase: v1.PodFailed, deletionTimeStamp: nil, nodeName: ""},
|
||||
{name: "b", phase: v1.PodSucceeded, deletionTimeStamp: nil, nodeName: "node"},
|
||||
{name: "c", phase: v1.PodRunning, deletionTimeStamp: &metav1.Time{}, nodeName: "node"},
|
||||
},
|
||||
deletedPodNames: sets.NewString(),
|
||||
},
|
||||
}
|
||||
|
||||
for i, test := range testCases {
|
||||
client := fake.NewSimpleClientset()
|
||||
gcc := NewFromClient(client, -1)
|
||||
deletedPodNames := make([]string, 0)
|
||||
var lock sync.Mutex
|
||||
gcc.deletePod = func(_, name string) error {
|
||||
lock.Lock()
|
||||
defer lock.Unlock()
|
||||
deletedPodNames = append(deletedPodNames, name)
|
||||
return nil
|
||||
}
|
||||
|
||||
creationTime := time.Unix(0, 0)
|
||||
for _, pod := range test.pods {
|
||||
creationTime = creationTime.Add(1 * time.Hour)
|
||||
gcc.podStore.Indexer.Add(&v1.Pod{
|
||||
ObjectMeta: v1.ObjectMeta{Name: pod.name, CreationTimestamp: metav1.Time{Time: creationTime},
|
||||
DeletionTimestamp: pod.deletionTimeStamp},
|
||||
Status: v1.PodStatus{Phase: pod.phase},
|
||||
Spec: v1.PodSpec{NodeName: pod.nodeName},
|
||||
})
|
||||
}
|
||||
|
||||
gcc.podController = &FakeController{}
|
||||
|
||||
pods, err := gcc.podStore.List(labels.Everything())
|
||||
if err != nil {
|
||||
t.Errorf("Error while listing all Pods: %v", err)
|
||||
return
|
||||
}
|
||||
gcc.gcUnscheduledTerminating(pods)
|
||||
|
||||
pass := true
|
||||
for _, pod := range deletedPodNames {
|
||||
if !test.deletedPodNames.Has(pod) {
|
||||
pass = false
|
||||
}
|
||||
}
|
||||
if len(deletedPodNames) != len(test.deletedPodNames) {
|
||||
pass = false
|
||||
}
|
||||
if !pass {
|
||||
t.Errorf("[%v]pod's deleted expected and actual did not match.\n\texpected: %v\n\tactual: %v, test: %v", i, test.deletedPodNames, deletedPodNames, test.name)
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue