mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
synced 2025-10-30 17:58:14 +00:00
Switch disruption controller to shared informers
This commit is contained in:
Andy Goldstein
@@ -30,7 +30,12 @@ func startDisruptionController(ctx ControllerContext) (bool, error) {
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return false, nil
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}
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go disruption.NewDisruptionController(
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ctx.InformerFactory.Pods().Informer(),
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ctx.NewInformerFactory.Core().V1().Pods(),
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ctx.NewInformerFactory.Policy().V1beta1().PodDisruptionBudgets(),
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ctx.NewInformerFactory.Core().V1().ReplicationControllers(),
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ctx.NewInformerFactory.Extensions().V1beta1().ReplicaSets(),
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ctx.NewInformerFactory.Extensions().V1beta1().Deployments(),
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ctx.NewInformerFactory.Apps().V1beta1().StatefulSets(),
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ctx.ClientBuilder.ClientOrDie("disruption-controller"),
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).Run(ctx.Stop)
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return true, nil
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@@ -15,21 +15,25 @@ go_library(
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deps = [
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"//pkg/api:go_default_library",
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"//pkg/api/v1:go_default_library",
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"//pkg/apis/apps/v1beta1:go_default_library",
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"//pkg/apis/extensions/v1beta1:go_default_library",
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"//pkg/apis/policy/v1beta1:go_default_library",
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"//pkg/client/clientset_generated/clientset:go_default_library",
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"//pkg/client/clientset_generated/clientset/typed/policy/v1beta1:go_default_library",
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"//pkg/client/legacylisters:go_default_library",
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"//pkg/client/informers/informers_generated/apps/v1beta1:go_default_library",
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"//pkg/client/informers/informers_generated/core/v1:go_default_library",
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"//pkg/client/informers/informers_generated/extensions/v1beta1:go_default_library",
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"//pkg/client/informers/informers_generated/policy/v1beta1:go_default_library",
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"//pkg/client/listers/apps/v1beta1:go_default_library",
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"//pkg/client/listers/core/v1:go_default_library",
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"//pkg/client/listers/extensions/v1beta1:go_default_library",
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"//pkg/client/listers/policy/v1beta1:go_default_library",
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"//pkg/controller:go_default_library",
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"//vendor:github.com/golang/glog",
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"//vendor:k8s.io/apimachinery/pkg/api/errors",
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"//vendor:k8s.io/apimachinery/pkg/apis/meta/v1",
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"//vendor:k8s.io/apimachinery/pkg/runtime",
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"//vendor:k8s.io/apimachinery/pkg/types",
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"//vendor:k8s.io/apimachinery/pkg/util/intstr",
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"//vendor:k8s.io/apimachinery/pkg/util/runtime",
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"//vendor:k8s.io/apimachinery/pkg/util/wait",
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"//vendor:k8s.io/apimachinery/pkg/watch",
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"//vendor:k8s.io/client-go/kubernetes/typed/core/v1",
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"//vendor:k8s.io/client-go/pkg/api/v1",
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"//vendor:k8s.io/client-go/tools/cache",
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@@ -49,14 +53,12 @@ go_test(
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"//pkg/apis/apps/v1beta1:go_default_library",
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"//pkg/apis/extensions/v1beta1:go_default_library",
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"//pkg/apis/policy/v1beta1:go_default_library",
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"//pkg/client/legacylisters:go_default_library",
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"//pkg/client/informers/informers_generated:go_default_library",
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"//pkg/controller:go_default_library",
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"//vendor:k8s.io/apimachinery/pkg/apis/meta/v1",
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"//vendor:k8s.io/apimachinery/pkg/util/intstr",
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"//vendor:k8s.io/apimachinery/pkg/util/uuid",
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"//vendor:k8s.io/client-go/pkg/api/v1",
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"//vendor:k8s.io/client-go/tools/cache",
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"//vendor:k8s.io/client-go/tools/record",
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"//vendor:k8s.io/client-go/util/workqueue",
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],
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)
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@@ -21,13 +21,12 @@ import (
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"reflect"
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"time"
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"k8s.io/apimachinery/pkg/api/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/types"
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"k8s.io/apimachinery/pkg/util/intstr"
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utilruntime "k8s.io/apimachinery/pkg/util/runtime"
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"k8s.io/apimachinery/pkg/util/wait"
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"k8s.io/apimachinery/pkg/watch"
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v1core "k8s.io/client-go/kubernetes/typed/core/v1"
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clientv1 "k8s.io/client-go/pkg/api/v1"
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"k8s.io/client-go/tools/cache"
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@@ -35,12 +34,17 @@ import (
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"k8s.io/client-go/util/workqueue"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/api/v1"
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apps "k8s.io/kubernetes/pkg/apis/apps/v1beta1"
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extensions "k8s.io/kubernetes/pkg/apis/extensions/v1beta1"
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policy "k8s.io/kubernetes/pkg/apis/policy/v1beta1"
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"k8s.io/kubernetes/pkg/client/clientset_generated/clientset"
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policyclientset "k8s.io/kubernetes/pkg/client/clientset_generated/clientset/typed/policy/v1beta1"
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"k8s.io/kubernetes/pkg/client/legacylisters"
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appsinformers "k8s.io/kubernetes/pkg/client/informers/informers_generated/apps/v1beta1"
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coreinformers "k8s.io/kubernetes/pkg/client/informers/informers_generated/core/v1"
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extensionsinformers "k8s.io/kubernetes/pkg/client/informers/informers_generated/extensions/v1beta1"
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policyinformers "k8s.io/kubernetes/pkg/client/informers/informers_generated/policy/v1beta1"
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appslisters "k8s.io/kubernetes/pkg/client/listers/apps/v1beta1"
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corelisters "k8s.io/kubernetes/pkg/client/listers/core/v1"
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extensionslisters "k8s.io/kubernetes/pkg/client/listers/extensions/v1beta1"
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policylisters "k8s.io/kubernetes/pkg/client/listers/policy/v1beta1"
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"k8s.io/kubernetes/pkg/controller"
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"github.com/golang/glog"
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@@ -64,28 +68,23 @@ type updater func(*policy.PodDisruptionBudget) error
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type DisruptionController struct {
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kubeClient clientset.Interface
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pdbStore cache.Store
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pdbController cache.Controller
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pdbLister listers.StoreToPodDisruptionBudgetLister
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pdbLister policylisters.PodDisruptionBudgetLister
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pdbListerSynced cache.InformerSynced
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podController cache.Controller
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podLister listers.StoreToPodLister
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podLister corelisters.PodLister
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podListerSynced cache.InformerSynced
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rcIndexer cache.Indexer
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rcController cache.Controller
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rcLister listers.StoreToReplicationControllerLister
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rcLister corelisters.ReplicationControllerLister
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rcListerSynced cache.InformerSynced
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rsStore cache.Store
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rsController cache.Controller
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rsLister listers.StoreToReplicaSetLister
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rsLister extensionslisters.ReplicaSetLister
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rsListerSynced cache.InformerSynced
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dIndexer cache.Indexer
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dController cache.Controller
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dLister listers.StoreToDeploymentLister
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dLister extensionslisters.DeploymentLister
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dListerSynced cache.InformerSynced
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ssStore cache.Store
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ssController cache.Controller
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ssLister listers.StoreToStatefulSetLister
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ssLister appslisters.StatefulSetLister
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ssListerSynced cache.InformerSynced
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// PodDisruptionBudget keys that need to be synced.
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queue workqueue.RateLimitingInterface
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@@ -108,108 +107,55 @@ type controllerAndScale struct {
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// controllers and their scale.
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type podControllerFinder func(*v1.Pod) ([]controllerAndScale, error)
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func NewDisruptionController(podInformer cache.SharedIndexInformer, kubeClient clientset.Interface) *DisruptionController {
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func NewDisruptionController(
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podInformer coreinformers.PodInformer,
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pdbInformer policyinformers.PodDisruptionBudgetInformer,
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rcInformer coreinformers.ReplicationControllerInformer,
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rsInformer extensionsinformers.ReplicaSetInformer,
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dInformer extensionsinformers.DeploymentInformer,
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ssInformer appsinformers.StatefulSetInformer,
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kubeClient clientset.Interface,
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) *DisruptionController {
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dc := &DisruptionController{
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kubeClient: kubeClient,
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podController: podInformer.GetController(),
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queue: workqueue.NewNamedRateLimitingQueue(workqueue.DefaultControllerRateLimiter(), "disruption"),
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recheckQueue: workqueue.NewNamedDelayingQueue("disruption-recheck"),
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broadcaster: record.NewBroadcaster(),
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kubeClient: kubeClient,
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queue: workqueue.NewNamedRateLimitingQueue(workqueue.DefaultControllerRateLimiter(), "disruption"),
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recheckQueue: workqueue.NewNamedDelayingQueue("disruption-recheck"),
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broadcaster: record.NewBroadcaster(),
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}
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dc.recorder = dc.broadcaster.NewRecorder(api.Scheme, clientv1.EventSource{Component: "controllermanager"})
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dc.getUpdater = func() updater { return dc.writePdbStatus }
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dc.podLister.Indexer = podInformer.GetIndexer()
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podInformer.AddEventHandler(cache.ResourceEventHandlerFuncs{
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podInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
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AddFunc: dc.addPod,
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UpdateFunc: dc.updatePod,
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DeleteFunc: dc.deletePod,
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})
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dc.podLister = podInformer.Lister()
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dc.podListerSynced = podInformer.Informer().HasSynced
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dc.pdbStore, dc.pdbController = cache.NewInformer(
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&cache.ListWatch{
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ListFunc: func(options metav1.ListOptions) (runtime.Object, error) {
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return dc.kubeClient.Policy().PodDisruptionBudgets(metav1.NamespaceAll).List(options)
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},
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WatchFunc: func(options metav1.ListOptions) (watch.Interface, error) {
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return dc.kubeClient.Policy().PodDisruptionBudgets(metav1.NamespaceAll).Watch(options)
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},
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},
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&policy.PodDisruptionBudget{},
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30*time.Second,
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pdbInformer.Informer().AddEventHandlerWithResyncPeriod(
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cache.ResourceEventHandlerFuncs{
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AddFunc: dc.addDb,
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UpdateFunc: dc.updateDb,
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DeleteFunc: dc.removeDb,
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},
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)
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dc.pdbLister.Store = dc.pdbStore
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dc.rcIndexer, dc.rcController = cache.NewIndexerInformer(
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&cache.ListWatch{
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ListFunc: func(options metav1.ListOptions) (runtime.Object, error) {
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return dc.kubeClient.Core().ReplicationControllers(metav1.NamespaceAll).List(options)
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},
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WatchFunc: func(options metav1.ListOptions) (watch.Interface, error) {
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return dc.kubeClient.Core().ReplicationControllers(metav1.NamespaceAll).Watch(options)
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},
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},
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&v1.ReplicationController{},
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30*time.Second,
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cache.ResourceEventHandlerFuncs{},
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cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc},
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)
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dc.pdbLister = pdbInformer.Lister()
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dc.pdbListerSynced = pdbInformer.Informer().HasSynced
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dc.rcLister.Indexer = dc.rcIndexer
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dc.rcLister = rcInformer.Lister()
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dc.rcListerSynced = rcInformer.Informer().HasSynced
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dc.rsLister.Indexer, dc.rsController = cache.NewIndexerInformer(
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&cache.ListWatch{
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ListFunc: func(options metav1.ListOptions) (runtime.Object, error) {
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return dc.kubeClient.Extensions().ReplicaSets(metav1.NamespaceAll).List(options)
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},
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WatchFunc: func(options metav1.ListOptions) (watch.Interface, error) {
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return dc.kubeClient.Extensions().ReplicaSets(metav1.NamespaceAll).Watch(options)
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},
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},
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&extensions.ReplicaSet{},
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30*time.Second,
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cache.ResourceEventHandlerFuncs{},
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cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc},
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)
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dc.rsStore = dc.rsLister.Indexer
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dc.rsLister = rsInformer.Lister()
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dc.rsListerSynced = rsInformer.Informer().HasSynced
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dc.dIndexer, dc.dController = cache.NewIndexerInformer(
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&cache.ListWatch{
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ListFunc: func(options metav1.ListOptions) (runtime.Object, error) {
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return dc.kubeClient.Extensions().Deployments(metav1.NamespaceAll).List(options)
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},
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WatchFunc: func(options metav1.ListOptions) (watch.Interface, error) {
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return dc.kubeClient.Extensions().Deployments(metav1.NamespaceAll).Watch(options)
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},
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},
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&extensions.Deployment{},
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30*time.Second,
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cache.ResourceEventHandlerFuncs{},
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cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc},
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)
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dc.dLister.Indexer = dc.dIndexer
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dc.dLister = dInformer.Lister()
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dc.dListerSynced = dInformer.Informer().HasSynced
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dc.ssStore, dc.ssController = cache.NewInformer(
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&cache.ListWatch{
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ListFunc: func(options metav1.ListOptions) (runtime.Object, error) {
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return dc.kubeClient.Apps().StatefulSets(metav1.NamespaceAll).List(options)
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},
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WatchFunc: func(options metav1.ListOptions) (watch.Interface, error) {
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return dc.kubeClient.Apps().StatefulSets(metav1.NamespaceAll).Watch(options)
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},
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},
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&apps.StatefulSet{},
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30*time.Second,
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cache.ResourceEventHandlerFuncs{},
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)
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dc.ssLister.Store = dc.ssStore
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dc.ssLister = ssInformer.Lister()
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dc.ssListerSynced = ssInformer.Informer().HasSynced
|
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return dc
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}
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@@ -317,19 +263,22 @@ func (dc *DisruptionController) getPodReplicationControllers(pod *v1.Pod) ([]con
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}
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func (dc *DisruptionController) Run(stopCh <-chan struct{}) {
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defer utilruntime.HandleCrash()
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defer dc.queue.ShutDown()
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glog.V(0).Infof("Starting disruption controller")
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if !cache.WaitForCacheSync(stopCh, dc.podListerSynced, dc.pdbListerSynced, dc.rcListerSynced, dc.rsListerSynced, dc.dListerSynced, dc.ssListerSynced) {
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utilruntime.HandleError(fmt.Errorf("timed out waiting for caches to sync"))
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return
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}
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if dc.kubeClient != nil {
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glog.V(0).Infof("Sending events to api server.")
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dc.broadcaster.StartRecordingToSink(&v1core.EventSinkImpl{Interface: v1core.New(dc.kubeClient.Core().RESTClient()).Events("")})
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} else {
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glog.V(0).Infof("No api server defined - no events will be sent to API server.")
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}
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go dc.pdbController.Run(stopCh)
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go dc.podController.Run(stopCh)
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go dc.rcController.Run(stopCh)
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go dc.rsController.Run(stopCh)
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go dc.dController.Run(stopCh)
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go dc.ssController.Run(stopCh)
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go wait.Until(dc.worker, time.Second, stopCh)
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go wait.Until(dc.recheckWorker, time.Second, stopCh)
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@@ -442,7 +391,7 @@ func (dc *DisruptionController) getPdbForPod(pod *v1.Pod) *policy.PodDisruptionB
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glog.Warning(msg)
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dc.recorder.Event(pod, v1.EventTypeWarning, "MultiplePodDisruptionBudgets", msg)
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}
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return &pdbs[0]
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return pdbs[0]
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}
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|
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func (dc *DisruptionController) getPodsForPdb(pdb *policy.PodDisruptionBudget) ([]*v1.Pod, error) {
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@@ -510,8 +459,12 @@ func (dc *DisruptionController) sync(key string) error {
|
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glog.V(4).Infof("Finished syncing PodDisruptionBudget %q (%v)", key, time.Now().Sub(startTime))
|
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}()
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|
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obj, exists, err := dc.pdbLister.Store.GetByKey(key)
|
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if !exists {
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namespace, name, err := cache.SplitMetaNamespaceKey(key)
|
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if err != nil {
|
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return err
|
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}
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pdb, err := dc.pdbLister.PodDisruptionBudgets(namespace).Get(name)
|
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if errors.IsNotFound(err) {
|
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glog.V(4).Infof("PodDisruptionBudget %q has been deleted", key)
|
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return nil
|
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}
|
||||
@@ -519,8 +472,6 @@ func (dc *DisruptionController) sync(key string) error {
|
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return err
|
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}
|
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|
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pdb := obj.(*policy.PodDisruptionBudget)
|
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|
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if err := dc.trySync(pdb); err != nil {
|
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glog.Errorf("Failed to sync pdb %s/%s: %v", pdb.Namespace, pdb.Name, err)
|
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return dc.failSafe(pdb)
|
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|
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@@ -26,21 +26,21 @@ import (
|
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
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"k8s.io/apimachinery/pkg/util/intstr"
|
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"k8s.io/apimachinery/pkg/util/uuid"
|
||||
clientv1 "k8s.io/client-go/pkg/api/v1"
|
||||
"k8s.io/client-go/tools/cache"
|
||||
"k8s.io/client-go/tools/record"
|
||||
"k8s.io/client-go/util/workqueue"
|
||||
"k8s.io/kubernetes/pkg/api"
|
||||
"k8s.io/kubernetes/pkg/api/v1"
|
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apps "k8s.io/kubernetes/pkg/apis/apps/v1beta1"
|
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extensions "k8s.io/kubernetes/pkg/apis/extensions/v1beta1"
|
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policy "k8s.io/kubernetes/pkg/apis/policy/v1beta1"
|
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"k8s.io/kubernetes/pkg/client/legacylisters"
|
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informers "k8s.io/kubernetes/pkg/client/informers/informers_generated"
|
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"k8s.io/kubernetes/pkg/controller"
|
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)
|
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|
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type pdbStates map[string]policy.PodDisruptionBudget
|
||||
|
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var alwaysReady = func() bool { return true }
|
||||
|
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func (ps *pdbStates) Set(pdb *policy.PodDisruptionBudget) error {
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key, err := controller.KeyFunc(pdb)
|
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if err != nil {
|
||||
@@ -85,23 +85,48 @@ func (ps *pdbStates) VerifyDisruptionAllowed(t *testing.T, key string, disruptio
|
||||
}
|
||||
}
|
||||
|
||||
func newFakeDisruptionController() (*DisruptionController, *pdbStates) {
|
||||
type disruptionController struct {
|
||||
*DisruptionController
|
||||
|
||||
podStore cache.Store
|
||||
pdbStore cache.Store
|
||||
rcStore cache.Store
|
||||
rsStore cache.Store
|
||||
dStore cache.Store
|
||||
ssStore cache.Store
|
||||
}
|
||||
|
||||
func newFakeDisruptionController() (*disruptionController, *pdbStates) {
|
||||
ps := &pdbStates{}
|
||||
|
||||
dc := &DisruptionController{
|
||||
pdbLister: listers.StoreToPodDisruptionBudgetLister{Store: cache.NewStore(controller.KeyFunc)},
|
||||
podLister: listers.StoreToPodLister{Indexer: cache.NewIndexer(controller.KeyFunc, cache.Indexers{})},
|
||||
rcLister: listers.StoreToReplicationControllerLister{Indexer: cache.NewIndexer(controller.KeyFunc, cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc})},
|
||||
rsLister: listers.StoreToReplicaSetLister{Indexer: cache.NewIndexer(controller.KeyFunc, cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc})},
|
||||
dLister: listers.StoreToDeploymentLister{Indexer: cache.NewIndexer(controller.KeyFunc, cache.Indexers{})},
|
||||
ssLister: listers.StoreToStatefulSetLister{Store: cache.NewStore(controller.KeyFunc)},
|
||||
getUpdater: func() updater { return ps.Set },
|
||||
broadcaster: record.NewBroadcaster(),
|
||||
}
|
||||
informerFactory := informers.NewSharedInformerFactory(nil, nil, controller.NoResyncPeriodFunc())
|
||||
|
||||
dc.recorder = dc.broadcaster.NewRecorder(api.Scheme, clientv1.EventSource{Component: "disruption_test"})
|
||||
dc := NewDisruptionController(
|
||||
informerFactory.Core().V1().Pods(),
|
||||
informerFactory.Policy().V1beta1().PodDisruptionBudgets(),
|
||||
informerFactory.Core().V1().ReplicationControllers(),
|
||||
informerFactory.Extensions().V1beta1().ReplicaSets(),
|
||||
informerFactory.Extensions().V1beta1().Deployments(),
|
||||
informerFactory.Apps().V1beta1().StatefulSets(),
|
||||
nil,
|
||||
)
|
||||
dc.getUpdater = func() updater { return ps.Set }
|
||||
dc.podListerSynced = alwaysReady
|
||||
dc.pdbListerSynced = alwaysReady
|
||||
dc.rcListerSynced = alwaysReady
|
||||
dc.rsListerSynced = alwaysReady
|
||||
dc.dListerSynced = alwaysReady
|
||||
dc.ssListerSynced = alwaysReady
|
||||
|
||||
return dc, ps
|
||||
return &disruptionController{
|
||||
dc,
|
||||
informerFactory.Core().V1().Pods().Informer().GetStore(),
|
||||
informerFactory.Policy().V1beta1().PodDisruptionBudgets().Informer().GetStore(),
|
||||
informerFactory.Core().V1().ReplicationControllers().Informer().GetStore(),
|
||||
informerFactory.Extensions().V1beta1().ReplicaSets().Informer().GetStore(),
|
||||
informerFactory.Extensions().V1beta1().Deployments().Informer().GetStore(),
|
||||
informerFactory.Apps().V1beta1().StatefulSets().Informer().GetStore(),
|
||||
}, ps
|
||||
}
|
||||
|
||||
func fooBar() map[string]string {
|
||||
@@ -283,11 +308,11 @@ func TestNoSelector(t *testing.T) {
|
||||
pdb.Spec.Selector = &metav1.LabelSelector{}
|
||||
pod, _ := newPod(t, "yo-yo-yo")
|
||||
|
||||
add(t, dc.pdbLister.Store, pdb)
|
||||
add(t, dc.pdbStore, pdb)
|
||||
dc.sync(pdbName)
|
||||
ps.VerifyPdbStatus(t, pdbName, 0, 0, 3, 0, map[string]metav1.Time{})
|
||||
|
||||
add(t, dc.podLister.Indexer, pod)
|
||||
add(t, dc.podStore, pod)
|
||||
dc.sync(pdbName)
|
||||
ps.VerifyPdbStatus(t, pdbName, 0, 0, 3, 0, map[string]metav1.Time{})
|
||||
}
|
||||
@@ -298,7 +323,7 @@ func TestUnavailable(t *testing.T) {
|
||||
dc, ps := newFakeDisruptionController()
|
||||
|
||||
pdb, pdbName := newPodDisruptionBudget(t, intstr.FromInt(3))
|
||||
add(t, dc.pdbLister.Store, pdb)
|
||||
add(t, dc.pdbStore, pdb)
|
||||
dc.sync(pdbName)
|
||||
|
||||
// Add three pods, verifying that the counts go up at each step.
|
||||
@@ -307,14 +332,14 @@ func TestUnavailable(t *testing.T) {
|
||||
ps.VerifyPdbStatus(t, pdbName, 0, i, 3, i, map[string]metav1.Time{})
|
||||
pod, _ := newPod(t, fmt.Sprintf("yo-yo-yo %d", i))
|
||||
pods = append(pods, pod)
|
||||
add(t, dc.podLister.Indexer, pod)
|
||||
add(t, dc.podStore, pod)
|
||||
dc.sync(pdbName)
|
||||
}
|
||||
ps.VerifyPdbStatus(t, pdbName, 1, 4, 3, 4, map[string]metav1.Time{})
|
||||
|
||||
// Now set one pod as unavailable
|
||||
pods[0].Status.Conditions = []v1.PodCondition{}
|
||||
update(t, dc.podLister.Indexer, pods[0])
|
||||
update(t, dc.podStore, pods[0])
|
||||
dc.sync(pdbName)
|
||||
|
||||
// Verify expected update
|
||||
@@ -327,13 +352,13 @@ func TestNakedPod(t *testing.T) {
|
||||
dc, ps := newFakeDisruptionController()
|
||||
|
||||
pdb, pdbName := newPodDisruptionBudget(t, intstr.FromString("28%"))
|
||||
add(t, dc.pdbLister.Store, pdb)
|
||||
add(t, dc.pdbStore, pdb)
|
||||
dc.sync(pdbName)
|
||||
// This verifies that when a PDB has 0 pods, disruptions are not allowed.
|
||||
ps.VerifyDisruptionAllowed(t, pdbName, 0)
|
||||
|
||||
pod, _ := newPod(t, "naked")
|
||||
add(t, dc.podLister.Indexer, pod)
|
||||
add(t, dc.podStore, pod)
|
||||
dc.sync(pdbName)
|
||||
|
||||
ps.VerifyDisruptionAllowed(t, pdbName, 0)
|
||||
@@ -344,13 +369,13 @@ func TestReplicaSet(t *testing.T) {
|
||||
dc, ps := newFakeDisruptionController()
|
||||
|
||||
pdb, pdbName := newPodDisruptionBudget(t, intstr.FromString("20%"))
|
||||
add(t, dc.pdbLister.Store, pdb)
|
||||
add(t, dc.pdbStore, pdb)
|
||||
|
||||
rs, _ := newReplicaSet(t, 10)
|
||||
add(t, dc.rsLister.Indexer, rs)
|
||||
add(t, dc.rsStore, rs)
|
||||
|
||||
pod, _ := newPod(t, "pod")
|
||||
add(t, dc.podLister.Indexer, pod)
|
||||
add(t, dc.podStore, pod)
|
||||
dc.sync(pdbName)
|
||||
ps.VerifyPdbStatus(t, pdbName, 0, 1, 2, 10, map[string]metav1.Time{})
|
||||
}
|
||||
@@ -363,11 +388,11 @@ func TestMultipleControllers(t *testing.T) {
|
||||
dc, ps := newFakeDisruptionController()
|
||||
|
||||
pdb, pdbName := newPodDisruptionBudget(t, intstr.FromString("1%"))
|
||||
add(t, dc.pdbLister.Store, pdb)
|
||||
add(t, dc.pdbStore, pdb)
|
||||
|
||||
for i := 0; i < podCount; i++ {
|
||||
pod, _ := newPod(t, fmt.Sprintf("pod %d", i))
|
||||
add(t, dc.podLister.Indexer, pod)
|
||||
add(t, dc.podStore, pod)
|
||||
}
|
||||
dc.sync(pdbName)
|
||||
|
||||
@@ -376,7 +401,7 @@ func TestMultipleControllers(t *testing.T) {
|
||||
|
||||
rc, _ := newReplicationController(t, 1)
|
||||
rc.Name = "rc 1"
|
||||
add(t, dc.rcLister.Indexer, rc)
|
||||
add(t, dc.rcStore, rc)
|
||||
dc.sync(pdbName)
|
||||
|
||||
// One RC and 200%>1% healthy => disruption allowed
|
||||
@@ -384,7 +409,7 @@ func TestMultipleControllers(t *testing.T) {
|
||||
|
||||
rc, _ = newReplicationController(t, 1)
|
||||
rc.Name = "rc 2"
|
||||
add(t, dc.rcLister.Indexer, rc)
|
||||
add(t, dc.rcStore, rc)
|
||||
dc.sync(pdbName)
|
||||
|
||||
// 100%>1% healthy BUT two RCs => no disruption allowed
|
||||
@@ -405,10 +430,10 @@ func TestReplicationController(t *testing.T) {
|
||||
|
||||
// 34% should round up to 2
|
||||
pdb, pdbName := newPodDisruptionBudget(t, intstr.FromString("34%"))
|
||||
add(t, dc.pdbLister.Store, pdb)
|
||||
add(t, dc.pdbStore, pdb)
|
||||
rc, _ := newReplicationController(t, 3)
|
||||
rc.Spec.Selector = labels
|
||||
add(t, dc.rcLister.Indexer, rc)
|
||||
add(t, dc.rcStore, rc)
|
||||
dc.sync(pdbName)
|
||||
|
||||
// It starts out at 0 expected because, with no pods, the PDB doesn't know
|
||||
@@ -421,7 +446,7 @@ func TestReplicationController(t *testing.T) {
|
||||
pod, _ := newPod(t, fmt.Sprintf("foobar %d", i))
|
||||
pods = append(pods, pod)
|
||||
pod.Labels = labels
|
||||
add(t, dc.podLister.Indexer, pod)
|
||||
add(t, dc.podStore, pod)
|
||||
dc.sync(pdbName)
|
||||
if i < 2 {
|
||||
ps.VerifyPdbStatus(t, pdbName, 0, i+1, 2, 3, map[string]metav1.Time{})
|
||||
@@ -431,7 +456,7 @@ func TestReplicationController(t *testing.T) {
|
||||
}
|
||||
|
||||
rogue, _ := newPod(t, "rogue")
|
||||
add(t, dc.podLister.Indexer, rogue)
|
||||
add(t, dc.podStore, rogue)
|
||||
dc.sync(pdbName)
|
||||
ps.VerifyDisruptionAllowed(t, pdbName, 0)
|
||||
}
|
||||
@@ -446,9 +471,9 @@ func TestStatefulSetController(t *testing.T) {
|
||||
|
||||
// 34% should round up to 2
|
||||
pdb, pdbName := newPodDisruptionBudget(t, intstr.FromString("34%"))
|
||||
add(t, dc.pdbLister.Store, pdb)
|
||||
add(t, dc.pdbStore, pdb)
|
||||
ss, _ := newStatefulSet(t, 3)
|
||||
add(t, dc.ssLister.Store, ss)
|
||||
add(t, dc.ssStore, ss)
|
||||
dc.sync(pdbName)
|
||||
|
||||
// It starts out at 0 expected because, with no pods, the PDB doesn't know
|
||||
@@ -461,7 +486,7 @@ func TestStatefulSetController(t *testing.T) {
|
||||
pod, _ := newPod(t, fmt.Sprintf("foobar %d", i))
|
||||
pods = append(pods, pod)
|
||||
pod.Labels = labels
|
||||
add(t, dc.podLister.Indexer, pod)
|
||||
add(t, dc.podStore, pod)
|
||||
dc.sync(pdbName)
|
||||
if i < 2 {
|
||||
ps.VerifyPdbStatus(t, pdbName, 0, i+1, 2, 3, map[string]metav1.Time{})
|
||||
@@ -494,10 +519,10 @@ func TestTwoControllers(t *testing.T) {
|
||||
const minimumTwo int32 = 7 // integer minimum with two controllers
|
||||
|
||||
pdb, pdbName := newPodDisruptionBudget(t, intstr.FromString("28%"))
|
||||
add(t, dc.pdbLister.Store, pdb)
|
||||
add(t, dc.pdbStore, pdb)
|
||||
rc, _ := newReplicationController(t, collectionSize)
|
||||
rc.Spec.Selector = rcLabels
|
||||
add(t, dc.rcLister.Indexer, rc)
|
||||
add(t, dc.rcStore, rc)
|
||||
dc.sync(pdbName)
|
||||
|
||||
ps.VerifyPdbStatus(t, pdbName, 0, 0, 0, 0, map[string]metav1.Time{})
|
||||
@@ -512,7 +537,7 @@ func TestTwoControllers(t *testing.T) {
|
||||
if i <= unavailablePods {
|
||||
pod.Status.Conditions = []v1.PodCondition{}
|
||||
}
|
||||
add(t, dc.podLister.Indexer, pod)
|
||||
add(t, dc.podStore, pod)
|
||||
dc.sync(pdbName)
|
||||
if i <= unavailablePods {
|
||||
ps.VerifyPdbStatus(t, pdbName, 0, 0, minimumOne, collectionSize, map[string]metav1.Time{})
|
||||
@@ -525,14 +550,14 @@ func TestTwoControllers(t *testing.T) {
|
||||
|
||||
d, _ := newDeployment(t, collectionSize)
|
||||
d.Spec.Selector = newSel(dLabels)
|
||||
add(t, dc.dLister.Indexer, d)
|
||||
add(t, dc.dStore, d)
|
||||
dc.sync(pdbName)
|
||||
ps.VerifyPdbStatus(t, pdbName, 1, minimumOne+1, minimumOne, collectionSize, map[string]metav1.Time{})
|
||||
|
||||
rs, _ := newReplicaSet(t, collectionSize)
|
||||
rs.Spec.Selector = newSel(dLabels)
|
||||
rs.Labels = dLabels
|
||||
add(t, dc.rsLister.Indexer, rs)
|
||||
add(t, dc.rsStore, rs)
|
||||
dc.sync(pdbName)
|
||||
ps.VerifyPdbStatus(t, pdbName, 1, minimumOne+1, minimumOne, collectionSize, map[string]metav1.Time{})
|
||||
|
||||
@@ -545,7 +570,7 @@ func TestTwoControllers(t *testing.T) {
|
||||
if i <= unavailablePods {
|
||||
pod.Status.Conditions = []v1.PodCondition{}
|
||||
}
|
||||
add(t, dc.podLister.Indexer, pod)
|
||||
add(t, dc.podStore, pod)
|
||||
dc.sync(pdbName)
|
||||
if i <= unavailablePods {
|
||||
ps.VerifyPdbStatus(t, pdbName, 0, minimumOne+1, minimumTwo, 2*collectionSize, map[string]metav1.Time{})
|
||||
@@ -562,17 +587,17 @@ func TestTwoControllers(t *testing.T) {
|
||||
// verify that a disruption is permitted again.
|
||||
ps.VerifyPdbStatus(t, pdbName, 2, 2+minimumTwo, minimumTwo, 2*collectionSize, map[string]metav1.Time{})
|
||||
pods[collectionSize-1].Status.Conditions = []v1.PodCondition{}
|
||||
update(t, dc.podLister.Indexer, pods[collectionSize-1])
|
||||
update(t, dc.podStore, pods[collectionSize-1])
|
||||
dc.sync(pdbName)
|
||||
ps.VerifyPdbStatus(t, pdbName, 1, 1+minimumTwo, minimumTwo, 2*collectionSize, map[string]metav1.Time{})
|
||||
|
||||
pods[collectionSize-2].Status.Conditions = []v1.PodCondition{}
|
||||
update(t, dc.podLister.Indexer, pods[collectionSize-2])
|
||||
update(t, dc.podStore, pods[collectionSize-2])
|
||||
dc.sync(pdbName)
|
||||
ps.VerifyPdbStatus(t, pdbName, 0, minimumTwo, minimumTwo, 2*collectionSize, map[string]metav1.Time{})
|
||||
|
||||
pods[collectionSize-1].Status.Conditions = []v1.PodCondition{{Type: v1.PodReady, Status: v1.ConditionTrue}}
|
||||
update(t, dc.podLister.Indexer, pods[collectionSize-1])
|
||||
update(t, dc.podStore, pods[collectionSize-1])
|
||||
dc.sync(pdbName)
|
||||
ps.VerifyPdbStatus(t, pdbName, 1, 1+minimumTwo, minimumTwo, 2*collectionSize, map[string]metav1.Time{})
|
||||
}
|
||||
@@ -581,7 +606,7 @@ func TestTwoControllers(t *testing.T) {
|
||||
func TestPDBNotExist(t *testing.T) {
|
||||
dc, _ := newFakeDisruptionController()
|
||||
pdb, _ := newPodDisruptionBudget(t, intstr.FromString("67%"))
|
||||
add(t, dc.pdbLister.Store, pdb)
|
||||
add(t, dc.pdbStore, pdb)
|
||||
if err := dc.sync("notExist"); err != nil {
|
||||
t.Errorf("Unexpected error: %v, expect nil", err)
|
||||
}
|
||||
@@ -598,16 +623,16 @@ func TestUpdateDisruptedPods(t *testing.T) {
|
||||
"p3": {Time: currentTime}, // Should remain, pod untouched.
|
||||
"notthere": {Time: currentTime}, // Should be removed, pod deleted.
|
||||
}
|
||||
add(t, dc.pdbLister.Store, pdb)
|
||||
add(t, dc.pdbStore, pdb)
|
||||
|
||||
pod1, _ := newPod(t, "p1")
|
||||
pod1.DeletionTimestamp = &metav1.Time{Time: time.Now()}
|
||||
pod2, _ := newPod(t, "p2")
|
||||
pod3, _ := newPod(t, "p3")
|
||||
|
||||
add(t, dc.podLister.Indexer, pod1)
|
||||
add(t, dc.podLister.Indexer, pod2)
|
||||
add(t, dc.podLister.Indexer, pod3)
|
||||
add(t, dc.podStore, pod1)
|
||||
add(t, dc.podStore, pod2)
|
||||
add(t, dc.podStore, pod3)
|
||||
|
||||
dc.sync(pdbName)
|
||||
|
||||
|
||||
@@ -283,6 +283,8 @@ func ClusterRoles() []rbac.ClusterRole {
|
||||
"persistentvolumes", "pods", "secrets", "services", "serviceaccounts", "replicationcontrollers").RuleOrDie(),
|
||||
rbac.NewRule("list", "watch").Groups(extensionsGroup).Resources("daemonsets", "deployments", "replicasets").RuleOrDie(),
|
||||
rbac.NewRule("list", "watch").Groups(batchGroup).Resources("jobs", "cronjobs").RuleOrDie(),
|
||||
rbac.NewRule("list", "watch").Groups(appsGroup).Resources("statefulsets").RuleOrDie(),
|
||||
rbac.NewRule("list", "watch").Groups(policyGroup).Resources("poddisruptionbudgets").RuleOrDie(),
|
||||
},
|
||||
},
|
||||
{
|
||||
|
||||
@@ -475,6 +475,20 @@ items:
|
||||
verbs:
|
||||
- list
|
||||
- watch
|
||||
- apiGroups:
|
||||
- apps
|
||||
resources:
|
||||
- statefulsets
|
||||
verbs:
|
||||
- list
|
||||
- watch
|
||||
- apiGroups:
|
||||
- policy
|
||||
resources:
|
||||
- poddisruptionbudgets
|
||||
verbs:
|
||||
- list
|
||||
- watch
|
||||
- apiVersion: rbac.authorization.k8s.io/v1beta1
|
||||
kind: ClusterRole
|
||||
metadata:
|
||||
|
||||
@@ -36,8 +36,8 @@ import (
|
||||
"k8s.io/kubernetes/pkg/api/v1"
|
||||
"k8s.io/kubernetes/pkg/apis/policy/v1beta1"
|
||||
"k8s.io/kubernetes/pkg/client/clientset_generated/clientset"
|
||||
informers "k8s.io/kubernetes/pkg/client/informers/informers_generated"
|
||||
"k8s.io/kubernetes/pkg/controller/disruption"
|
||||
"k8s.io/kubernetes/pkg/controller/informers"
|
||||
"k8s.io/kubernetes/test/integration/framework"
|
||||
)
|
||||
|
||||
@@ -50,14 +50,14 @@ const (
|
||||
func TestConcurrentEvictionRequests(t *testing.T) {
|
||||
podNameFormat := "test-pod-%d"
|
||||
|
||||
s, rm, podInformer, clientSet := rmSetup(t)
|
||||
s, rm, informers, clientSet := rmSetup(t)
|
||||
defer s.Close()
|
||||
|
||||
ns := framework.CreateTestingNamespace("concurrent-eviction-requests", s, t)
|
||||
defer framework.DeleteTestingNamespace(ns, s, t)
|
||||
|
||||
stopCh := make(chan struct{})
|
||||
go podInformer.Run(stopCh)
|
||||
informers.Start(stopCh)
|
||||
go rm.Run(stopCh)
|
||||
defer close(stopCh)
|
||||
|
||||
@@ -87,7 +87,7 @@ func TestConcurrentEvictionRequests(t *testing.T) {
|
||||
}
|
||||
}
|
||||
|
||||
waitToObservePods(t, podInformer, numOfEvictions)
|
||||
waitToObservePods(t, informers.Core().V1().Pods().Informer(), numOfEvictions)
|
||||
|
||||
pdb := newPDB()
|
||||
if _, err := clientSet.Policy().PodDisruptionBudgets(ns.Name).Create(pdb); err != nil {
|
||||
@@ -227,7 +227,7 @@ func newEviction(ns, evictionName string, deleteOption *metav1.DeleteOptions) *v
|
||||
}
|
||||
}
|
||||
|
||||
func rmSetup(t *testing.T) (*httptest.Server, *disruption.DisruptionController, cache.SharedIndexInformer, clientset.Interface) {
|
||||
func rmSetup(t *testing.T) (*httptest.Server, *disruption.DisruptionController, informers.SharedInformerFactory, clientset.Interface) {
|
||||
masterConfig := framework.NewIntegrationTestMasterConfig()
|
||||
_, s := framework.RunAMaster(masterConfig)
|
||||
|
||||
@@ -237,13 +237,18 @@ func rmSetup(t *testing.T) (*httptest.Server, *disruption.DisruptionController,
|
||||
t.Fatalf("Error in create clientset: %v", err)
|
||||
}
|
||||
resyncPeriod := 12 * time.Hour
|
||||
informers := informers.NewSharedInformerFactory(clientset.NewForConfigOrDie(restclient.AddUserAgent(&config, "pdb-informers")), nil, resyncPeriod)
|
||||
informers := informers.NewSharedInformerFactory(nil, clientset.NewForConfigOrDie(restclient.AddUserAgent(&config, "pdb-informers")), resyncPeriod)
|
||||
|
||||
rm := disruption.NewDisruptionController(
|
||||
informers.Pods().Informer(),
|
||||
informers.Core().V1().Pods(),
|
||||
informers.Policy().V1beta1().PodDisruptionBudgets(),
|
||||
informers.Core().V1().ReplicationControllers(),
|
||||
informers.Extensions().V1beta1().ReplicaSets(),
|
||||
informers.Extensions().V1beta1().Deployments(),
|
||||
informers.Apps().V1beta1().StatefulSets(),
|
||||
clientset.NewForConfigOrDie(restclient.AddUserAgent(&config, "disruption-controller")),
|
||||
)
|
||||
return s, rm, informers.Pods().Informer(), clientSet
|
||||
return s, rm, informers, clientSet
|
||||
}
|
||||
|
||||
// wait for the podInformer to observe the pods. Call this function before
|
||||
|
||||
Reference in New Issue
Block a user