Merge pull request #119147 from mengjiao-liu/contextual-logging-controller-disruption

Migrate /pkg/controller/disruption to structured and contextual logging

cmd/kube-controller-manager/app/policy.go

@@ -38,6 +38,7 @@ func startDisruptionController(ctx context.Context, controllerContext Controller
 	}
 
 	go disruption.NewDisruptionController(
+		ctx,
 		controllerContext.InformerFactory.Core().V1().Pods(),
 		controllerContext.InformerFactory.Policy().V1().PodDisruptionBudgets(),
 		controllerContext.InformerFactory.Core().V1().ReplicationControllers(),

hack/logcheck.conf

@@ -38,7 +38,6 @@ contextual k8s.io/kubernetes/test/e2e/dra/.*
 # this point it is easier to list the exceptions.
 -contextual k8s.io/kubernetes/pkg/controller/controller_ref_manager.go
 -contextual k8s.io/kubernetes/pkg/controller/controller_utils.go
--contextual k8s.io/kubernetes/pkg/controller/disruption/.*
 -contextual k8s.io/kubernetes/pkg/controller/endpoint/.*
 -contextual k8s.io/kubernetes/pkg/controller/endpointslicemirroring/.*
 -contextual k8s.io/kubernetes/pkg/controller/garbagecollector/.*

pkg/controller/disruption/disruption.go

@@ -134,6 +134,7 @@ type controllerAndScale struct {
 type podControllerFinder func(ctx context.Context, controllerRef *metav1.OwnerReference, namespace string) (*controllerAndScale, error)
 
 func NewDisruptionController(
+	ctx context.Context,
 	podInformer coreinformers.PodInformer,
 	pdbInformer policyinformers.PodDisruptionBudgetInformer,
 	rcInformer coreinformers.ReplicationControllerInformer,
@@ -146,6 +147,7 @@ func NewDisruptionController(
 	discoveryClient discovery.DiscoveryInterface,
 ) *DisruptionController {
 	return NewDisruptionControllerInternal(
+		ctx,
 		podInformer,
 		pdbInformer,
 		rcInformer,
@@ -163,7 +165,7 @@ func NewDisruptionController(
 // NewDisruptionControllerInternal allows to set a clock and
 // stalePodDisruptionTimeout
 // It is only supposed to be used by tests.
-func NewDisruptionControllerInternal(
+func NewDisruptionControllerInternal(ctx context.Context,
 	podInformer coreinformers.PodInformer,
 	pdbInformer policyinformers.PodDisruptionBudgetInformer,
 	rcInformer coreinformers.ReplicationControllerInformer,
@@ -177,6 +179,7 @@ func NewDisruptionControllerInternal(
 	clock clock.WithTicker,
 	stalePodDisruptionTimeout time.Duration,
 ) *DisruptionController {
+	logger := klog.FromContext(ctx)
 	dc := &DisruptionController{
 		kubeClient:                kubeClient,
 		queue:                     workqueue.NewRateLimitingQueueWithDelayingInterface(workqueue.NewDelayingQueueWithCustomClock(clock, "disruption"), workqueue.DefaultControllerRateLimiter()),
@@ -190,20 +193,30 @@ func NewDisruptionControllerInternal(
 	dc.getUpdater = func() updater { return dc.writePdbStatus }
 
 	podInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
-		AddFunc:    dc.addPod,
+		AddFunc: func(obj interface{}) {
-		UpdateFunc: dc.updatePod,
+			dc.addPod(logger, obj)
-		DeleteFunc: dc.deletePod,
+		},
+		UpdateFunc: func(oldObj, newObj interface{}) {
+			dc.updatePod(logger, oldObj, newObj)
+		},
+		DeleteFunc: func(obj interface{}) {
+			dc.deletePod(logger, obj)
+		},
 	})
 	dc.podLister = podInformer.Lister()
 	dc.podListerSynced = podInformer.Informer().HasSynced
 
-	pdbInformer.Informer().AddEventHandler(
+	pdbInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
-		cache.ResourceEventHandlerFuncs{
+		AddFunc: func(obj interface{}) {
-			AddFunc:    dc.addDb,
+			dc.addDB(logger, obj)
-			UpdateFunc: dc.updateDb,
-			DeleteFunc: dc.removeDb,
 		},
-	)
+		UpdateFunc: func(oldObj, newObj interface{}) {
+			dc.updateDB(logger, oldObj, newObj)
+		},
+		DeleteFunc: func(obj interface{}) {
+			dc.removeDB(logger, obj)
+		},
+	})
 	dc.pdbLister = pdbInformer.Lister()
 	dc.pdbListerSynced = pdbInformer.Informer().HasSynced
 
@@ -418,12 +431,13 @@ func verifyGroupKind(controllerRef *metav1.OwnerReference, expectedKind string,
 func (dc *DisruptionController) Run(ctx context.Context) {
 	defer utilruntime.HandleCrash()
 
+	logger := klog.FromContext(ctx)
 	// Start events processing pipeline.
 	if dc.kubeClient != nil {
-		klog.Infof("Sending events to api server.")
+		logger.Info("Sending events to api server.")
 		dc.broadcaster.StartRecordingToSink(&v1core.EventSinkImpl{Interface: dc.kubeClient.CoreV1().Events("")})
 	} else {
-		klog.Infof("No api server defined - no events will be sent to API server.")
+		logger.Info("No api server defined - no events will be sent to API server.")
 	}
 	defer dc.broadcaster.Shutdown()
 
@@ -431,8 +445,8 @@ func (dc *DisruptionController) Run(ctx context.Context) {
 	defer dc.recheckQueue.ShutDown()
 	defer dc.stalePodDisruptionQueue.ShutDown()
 
-	klog.Infof("Starting disruption controller")
+	logger.Info("Starting disruption controller")
-	defer klog.Infof("Shutting down disruption controller")
+	defer logger.Info("Shutting down disruption controller")
 
 	if !cache.WaitForNamedCacheSync("disruption", ctx.Done(), dc.podListerSynced, dc.pdbListerSynced, dc.rcListerSynced, dc.rsListerSynced, dc.dListerSynced, dc.ssListerSynced) {
 		return
@@ -445,68 +459,68 @@ func (dc *DisruptionController) Run(ctx context.Context) {
 	<-ctx.Done()
 }
 
-func (dc *DisruptionController) addDb(obj interface{}) {
+func (dc *DisruptionController) addDB(logger klog.Logger, obj interface{}) {
 	pdb := obj.(*policy.PodDisruptionBudget)
-	klog.V(4).Infof("add DB %q", pdb.Name)
+	logger.V(4).Info("Add DB", "podDisruptionBudget", klog.KObj(pdb))
-	dc.enqueuePdb(pdb)
+	dc.enqueuePdb(logger, pdb)
 }
 
-func (dc *DisruptionController) updateDb(old, cur interface{}) {
+func (dc *DisruptionController) updateDB(logger klog.Logger, old, cur interface{}) {
 	// TODO(mml) ignore updates where 'old' is equivalent to 'cur'.
 	pdb := cur.(*policy.PodDisruptionBudget)
-	klog.V(4).Infof("update DB %q", pdb.Name)
+	logger.V(4).Info("Update DB", "podDisruptionBudget", klog.KObj(pdb))
-	dc.enqueuePdb(pdb)
+	dc.enqueuePdb(logger, pdb)
 }
 
-func (dc *DisruptionController) removeDb(obj interface{}) {
+func (dc *DisruptionController) removeDB(logger klog.Logger, obj interface{}) {
 	pdb, ok := obj.(*policy.PodDisruptionBudget)
 	if !ok {
 		tombstone, ok := obj.(cache.DeletedFinalStateUnknown)
 		if !ok {
-			klog.Errorf("Couldn't get object from tombstone %+v", obj)
+			logger.Error(nil, "Couldn't get object from tombstone", "obj", obj)
 			return
 		}
 		pdb, ok = tombstone.Obj.(*policy.PodDisruptionBudget)
 		if !ok {
-			klog.Errorf("Tombstone contained object that is not a pdb %+v", obj)
+			logger.Error(nil, "Tombstone contained object that is not a PDB", "obj", obj)
 			return
 		}
 	}
-	klog.V(4).Infof("remove DB %q", pdb.Name)
+	logger.V(4).Info("Remove DB", "podDisruptionBudget", klog.KObj(pdb))
-	dc.enqueuePdb(pdb)
+	dc.enqueuePdb(logger, pdb)
 }
 
-func (dc *DisruptionController) addPod(obj interface{}) {
+func (dc *DisruptionController) addPod(logger klog.Logger, obj interface{}) {
 	pod := obj.(*v1.Pod)
-	klog.V(4).Infof("addPod called on pod %q", pod.Name)
+	logger.V(4).Info("AddPod called on pod", "pod", klog.KObj(pod))
-	pdb := dc.getPdbForPod(pod)
+	pdb := dc.getPdbForPod(logger, pod)
 	if pdb == nil {
-		klog.V(4).Infof("No matching pdb for pod %q", pod.Name)
+		logger.V(4).Info("No matching PDB for pod", "pod", klog.KObj(pod))
 	} else {
-		klog.V(4).Infof("addPod %q -> PDB %q", pod.Name, pdb.Name)
+		logger.V(4).Info("addPod -> PDB", "pod", klog.KObj(pod), "podDisruptionBudget", klog.KObj(pdb))
-		dc.enqueuePdb(pdb)
+		dc.enqueuePdb(logger, pdb)
 	}
 	if has, cleanAfter := dc.nonTerminatingPodHasStaleDisruptionCondition(pod); has {
-		dc.enqueueStalePodDisruptionCleanup(pod, cleanAfter)
+		dc.enqueueStalePodDisruptionCleanup(logger, pod, cleanAfter)
 	}
 }
 
-func (dc *DisruptionController) updatePod(_, cur interface{}) {
+func (dc *DisruptionController) updatePod(logger klog.Logger, _, cur interface{}) {
 	pod := cur.(*v1.Pod)
-	klog.V(4).Infof("updatePod called on pod %q", pod.Name)
+	logger.V(4).Info("UpdatePod called on pod", "pod", klog.KObj(pod))
-	pdb := dc.getPdbForPod(pod)
+	pdb := dc.getPdbForPod(logger, pod)
 	if pdb == nil {
-		klog.V(4).Infof("No matching pdb for pod %q", pod.Name)
+		logger.V(4).Info("No matching PDB for pod", "pod", klog.KObj(pod))
 	} else {
-		klog.V(4).Infof("updatePod %q -> PDB %q", pod.Name, pdb.Name)
+		logger.V(4).Info("updatePod -> PDB", "pod", klog.KObj(pod), "podDisruptionBudget", klog.KObj(pdb))
-		dc.enqueuePdb(pdb)
+		dc.enqueuePdb(logger, pdb)
 	}
 	if has, cleanAfter := dc.nonTerminatingPodHasStaleDisruptionCondition(pod); has {
-		dc.enqueueStalePodDisruptionCleanup(pod, cleanAfter)
+		dc.enqueueStalePodDisruptionCleanup(logger, pod, cleanAfter)
 	}
 }
 
-func (dc *DisruptionController) deletePod(obj interface{}) {
+func (dc *DisruptionController) deletePod(logger klog.Logger, obj interface{}) {
 	pod, ok := obj.(*v1.Pod)
 	// When a delete is dropped, the relist will notice a pod in the store not
 	// in the list, leading to the insertion of a tombstone object which contains
@@ -516,66 +530,66 @@ func (dc *DisruptionController) deletePod(obj interface{}) {
 	if !ok {
 		tombstone, ok := obj.(cache.DeletedFinalStateUnknown)
 		if !ok {
-			klog.Errorf("Couldn't get object from tombstone %+v", obj)
+			logger.Error(nil, "Couldn't get object from tombstone", "obj", obj)
 			return
 		}
 		pod, ok = tombstone.Obj.(*v1.Pod)
 		if !ok {
-			klog.Errorf("Tombstone contained object that is not a pod %+v", obj)
+			logger.Error(nil, "Tombstone contained object that is not a pod", "obj", obj)
 			return
 		}
 	}
-	klog.V(4).Infof("deletePod called on pod %q", pod.Name)
+	logger.V(4).Info("DeletePod called on pod", "pod", klog.KObj(pod))
-	pdb := dc.getPdbForPod(pod)
+	pdb := dc.getPdbForPod(logger, pod)
 	if pdb == nil {
-		klog.V(4).Infof("No matching pdb for pod %q", pod.Name)
+		logger.V(4).Info("No matching PDB for pod", "pod", klog.KObj(pod))
 		return
 	}
-	klog.V(4).Infof("deletePod %q -> PDB %q", pod.Name, pdb.Name)
+	logger.V(4).Info("DeletePod -> PDB", "pod", klog.KObj(pod), "podDisruptionBudget", klog.KObj(pdb))
-	dc.enqueuePdb(pdb)
+	dc.enqueuePdb(logger, pdb)
 }
 
-func (dc *DisruptionController) enqueuePdb(pdb *policy.PodDisruptionBudget) {
+func (dc *DisruptionController) enqueuePdb(logger klog.Logger, pdb *policy.PodDisruptionBudget) {
 	key, err := controller.KeyFunc(pdb)
 	if err != nil {
-		klog.Errorf("Couldn't get key for PodDisruptionBudget object %+v: %v", pdb, err)
+		logger.Error(err, "Couldn't get key for PodDisruptionBudget", "podDisruptionBudget", klog.KObj(pdb))
 		return
 	}
 	dc.queue.Add(key)
 }
 
-func (dc *DisruptionController) enqueuePdbForRecheck(pdb *policy.PodDisruptionBudget, delay time.Duration) {
+func (dc *DisruptionController) enqueuePdbForRecheck(logger klog.Logger, pdb *policy.PodDisruptionBudget, delay time.Duration) {
 	key, err := controller.KeyFunc(pdb)
 	if err != nil {
-		klog.Errorf("Couldn't get key for PodDisruptionBudget object %+v: %v", pdb, err)
+		logger.Error(err, "Couldn't get key for PodDisruptionBudget", "podDisruptionBudget", klog.KObj(pdb))
 		return
 	}
 	dc.recheckQueue.AddAfter(key, delay)
 }
 
-func (dc *DisruptionController) enqueueStalePodDisruptionCleanup(pod *v1.Pod, d time.Duration) {
+func (dc *DisruptionController) enqueueStalePodDisruptionCleanup(logger klog.Logger, pod *v1.Pod, d time.Duration) {
 	key, err := controller.KeyFunc(pod)
 	if err != nil {
-		klog.ErrorS(err, "Couldn't get key for Pod object", "pod", klog.KObj(pod))
+		logger.Error(err, "Couldn't get key for Pod object", "pod", klog.KObj(pod))
 		return
 	}
 	dc.stalePodDisruptionQueue.AddAfter(key, d)
-	klog.V(4).InfoS("Enqueued pod to cleanup stale DisruptionTarget condition", "pod", klog.KObj(pod))
+	logger.V(4).Info("Enqueued pod to cleanup stale DisruptionTarget condition", "pod", klog.KObj(pod))
 }
 
-func (dc *DisruptionController) getPdbForPod(pod *v1.Pod) *policy.PodDisruptionBudget {
+func (dc *DisruptionController) getPdbForPod(logger klog.Logger, pod *v1.Pod) *policy.PodDisruptionBudget {
 	// GetPodPodDisruptionBudgets returns an error only if no
 	// PodDisruptionBudgets are found.  We don't return that as an error to the
 	// caller.
 	pdbs, err := dc.pdbLister.GetPodPodDisruptionBudgets(pod)
 	if err != nil {
-		klog.V(4).Infof("No PodDisruptionBudgets found for pod %v, PodDisruptionBudget controller will avoid syncing.", pod.Name)
+		logger.V(4).Info("No PodDisruptionBudgets found for pod, PodDisruptionBudget controller will avoid syncing.", "pod", klog.KObj(pod))
 		return nil
 	}
 
 	if len(pdbs) > 1 {
 		msg := fmt.Sprintf("Pod %q/%q matches multiple PodDisruptionBudgets.  Chose %q arbitrarily.", pod.Namespace, pod.Name, pdbs[0].Name)
-		klog.Warning(msg)
+		logger.Info(msg)
 		dc.recorder.Event(pod, v1.EventTypeWarning, "MultiplePodDisruptionBudgets", msg)
 	}
 	return pdbs[0]
@@ -656,9 +670,10 @@ func (dc *DisruptionController) processNextStalePodDisruptionWorkItem(ctx contex
 }
 
 func (dc *DisruptionController) sync(ctx context.Context, key string) error {
+	logger := klog.FromContext(ctx)
 	startTime := dc.clock.Now()
 	defer func() {
-		klog.V(4).Infof("Finished syncing PodDisruptionBudget %q (%v)", key, dc.clock.Since(startTime))
+		logger.V(4).Info("Finished syncing PodDisruptionBudget", "key", key, "duration", dc.clock.Since(startTime))
 	}()
 
 	namespace, name, err := cache.SplitMetaNamespaceKey(key)
@@ -667,7 +682,7 @@ func (dc *DisruptionController) sync(ctx context.Context, key string) error {
 	}
 	pdb, err := dc.pdbLister.PodDisruptionBudgets(namespace).Get(name)
 	if errors.IsNotFound(err) {
-		klog.V(4).Infof("PodDisruptionBudget %q has been deleted", key)
+		logger.V(4).Info("podDisruptionBudget has been deleted", "key", key)
 		return nil
 	}
 	if err != nil {
@@ -681,7 +696,7 @@ func (dc *DisruptionController) sync(ctx context.Context, key string) error {
 		return err
 	}
 	if err != nil {
-		klog.Errorf("Failed to sync pdb %s/%s: %v", pdb.Namespace, pdb.Name, err)
+		logger.Error(err, "Failed to sync PDB", "podDisruptionBudget", klog.KRef(namespace, name))
 		return dc.failSafe(ctx, pdb, err)
 	}
 
@@ -689,6 +704,7 @@ func (dc *DisruptionController) sync(ctx context.Context, key string) error {
 }
 
 func (dc *DisruptionController) trySync(ctx context.Context, pdb *policy.PodDisruptionBudget) error {
+	logger := klog.FromContext(ctx)
 	pods, err := dc.getPodsForPdb(pdb)
 	if err != nil {
 		dc.recorder.Eventf(pdb, v1.EventTypeWarning, "NoPods", "Failed to get pods: %v", err)
@@ -705,7 +721,7 @@ func (dc *DisruptionController) trySync(ctx context.Context, pdb *policy.PodDisr
 	}
 	// We have unmamanged pods, instead of erroring and hotlooping in disruption controller, log and continue.
 	if len(unmanagedPods) > 0 {
-		klog.Warningf("found unmanaged pods associated with this PDB: %v", unmanagedPods)
+		logger.V(4).Info("Found unmanaged pods associated with this PDB", "pods", unmanagedPods)
 		dc.recorder.Eventf(pdb, v1.EventTypeWarning, "UnmanagedPods", "Pods selected by this PodDisruptionBudget (selector: %v) were found "+
 			"to be unmanaged. As a result, the status of the PDB cannot be calculated correctly, which may result in undefined behavior. "+
 			"To account for these pods please set \".spec.minAvailable\" "+
@@ -713,7 +729,7 @@ func (dc *DisruptionController) trySync(ctx context.Context, pdb *policy.PodDisr
 	}
 
 	currentTime := dc.clock.Now()
-	disruptedPods, recheckTime := dc.buildDisruptedPodMap(pods, pdb, currentTime)
+	disruptedPods, recheckTime := dc.buildDisruptedPodMap(logger, pods, pdb, currentTime)
 	currentHealthy := countHealthyPods(pods, disruptedPods, currentTime)
 	err = dc.updatePdbStatus(ctx, pdb, currentHealthy, desiredHealthy, expectedCount, disruptedPods)
 
@@ -721,23 +737,24 @@ func (dc *DisruptionController) trySync(ctx context.Context, pdb *policy.PodDisr
 		// There is always at most one PDB waiting with a particular name in the queue,
 		// and each PDB in the queue is associated with the lowest timestamp
 		// that was supplied when a PDB with that name was added.
-		dc.enqueuePdbForRecheck(pdb, recheckTime.Sub(currentTime))
+		dc.enqueuePdbForRecheck(logger, pdb, recheckTime.Sub(currentTime))
 	}
 	return err
 }
 
 func (dc *DisruptionController) syncStalePodDisruption(ctx context.Context, key string) error {
+	logger := klog.FromContext(ctx)
 	startTime := dc.clock.Now()
 	namespace, name, err := cache.SplitMetaNamespaceKey(key)
 	if err != nil {
 		return err
 	}
 	defer func() {
-		klog.V(4).InfoS("Finished syncing Pod to clear DisruptionTarget condition", "pod", klog.KRef(namespace, name), "duration", dc.clock.Since(startTime))
+		logger.V(4).Info("Finished syncing Pod to clear DisruptionTarget condition", "pod", klog.KRef(namespace, name), "duration", dc.clock.Since(startTime))
 	}()
 	pod, err := dc.podLister.Pods(namespace).Get(name)
 	if errors.IsNotFound(err) {
-		klog.V(4).InfoS("Skipping clearing DisruptionTarget condition because pod was deleted", "pod", klog.KObj(pod))
+		logger.V(4).Info("Skipping clearing DisruptionTarget condition because pod was deleted", "pod", klog.KObj(pod))
 		return nil
 	}
 	if err != nil {
@@ -749,7 +766,7 @@ func (dc *DisruptionController) syncStalePodDisruption(ctx context.Context, key
 		return nil
 	}
 	if cleanAfter > 0 {
-		dc.enqueueStalePodDisruptionCleanup(pod, cleanAfter)
+		dc.enqueueStalePodDisruptionCleanup(logger, pod, cleanAfter)
 		return nil
 	}
 
@@ -765,7 +782,7 @@ func (dc *DisruptionController) syncStalePodDisruption(ctx context.Context, key
 	if _, err := dc.kubeClient.CoreV1().Pods(pod.Namespace).ApplyStatus(ctx, podApply, metav1.ApplyOptions{FieldManager: fieldManager, Force: true}); err != nil {
 		return err
 	}
-	klog.V(2).InfoS("Reset stale DisruptionTarget condition to False", "pod", klog.KObj(pod))
+	logger.V(2).Info("Reset stale DisruptionTarget condition to False", "pod", klog.KObj(pod))
 	return nil
 }
 
@@ -895,7 +912,7 @@ func countHealthyPods(pods []*v1.Pod, disruptedPods map[string]metav1.Time, curr
 
 // Builds new PodDisruption map, possibly removing items that refer to non-existing, already deleted
 // or not-deleted at all items. Also returns an information when this check should be repeated.
-func (dc *DisruptionController) buildDisruptedPodMap(pods []*v1.Pod, pdb *policy.PodDisruptionBudget, currentTime time.Time) (map[string]metav1.Time, *time.Time) {
+func (dc *DisruptionController) buildDisruptedPodMap(logger klog.Logger, pods []*v1.Pod, pdb *policy.PodDisruptionBudget, currentTime time.Time) (map[string]metav1.Time, *time.Time) {
 	disruptedPods := pdb.Status.DisruptedPods
 	result := make(map[string]metav1.Time)
 	var recheckTime *time.Time
@@ -915,8 +932,8 @@ func (dc *DisruptionController) buildDisruptedPodMap(pods []*v1.Pod, pdb *policy
 		}
 		expectedDeletion := disruptionTime.Time.Add(DeletionTimeout)
 		if expectedDeletion.Before(currentTime) {
-			klog.V(1).Infof("Pod %s/%s was expected to be deleted at %s but it wasn't, updating pdb %s/%s",
+			logger.V(1).Info("pod was expected to be deleted but it wasn't, updating PDB",
-				pod.Namespace, pod.Name, disruptionTime.String(), pdb.Namespace, pdb.Name)
+				"pod", klog.KObj(pod), "deletionTime", disruptionTime, "podDisruptionBudget", klog.KObj(pdb))
 			dc.recorder.Eventf(pod, v1.EventTypeWarning, "NotDeleted", "Pod was expected by PDB %s/%s to be deleted but it wasn't",
 				pdb.Namespace, pdb.Namespace)
 		} else {

pkg/controller/disruption/disruption_test.go

@@ -18,9 +18,7 @@ package disruption
 
 import (
 	"context"
-	"flag"
 	"fmt"
-	"os"
 	"runtime/debug"
 	"strings"
 	"sync"
@@ -51,9 +49,9 @@ import (
 	"k8s.io/client-go/tools/cache"
 	"k8s.io/client-go/tools/record"
 	"k8s.io/client-go/util/workqueue"
-	"k8s.io/klog/v2"
 	_ "k8s.io/kubernetes/pkg/apis/core/install"
 	"k8s.io/kubernetes/pkg/controller"
+	"k8s.io/kubernetes/test/utils/ktesting"
 	clocktesting "k8s.io/utils/clock/testing"
 	"k8s.io/utils/pointer"
 )
@@ -149,8 +147,8 @@ var customGVK = schema.GroupVersionKind{
 	Kind:    "customresource",
 }
 
-func newFakeDisruptionController() (*disruptionController, *pdbStates) {
+func newFakeDisruptionController(ctx context.Context) (*disruptionController, *pdbStates) {
-	return newFakeDisruptionControllerWithTime(context.TODO(), time.Now())
+	return newFakeDisruptionControllerWithTime(ctx, time.Now())
 }
 
 func newFakeDisruptionControllerWithTime(ctx context.Context, now time.Time) (*disruptionController, *pdbStates) {
@@ -168,6 +166,7 @@ func newFakeDisruptionControllerWithTime(ctx context.Context, now time.Time) (*d
 	fakeClock := clocktesting.NewFakeClock(now)
 
 	dc := NewDisruptionControllerInternal(
+		ctx,
 		informerFactory.Core().V1().Pods(),
 		informerFactory.Policy().V1().PodDisruptionBudgets(),
 		informerFactory.Core().V1().ReplicationControllers(),
@@ -424,14 +423,14 @@ func add(t *testing.T, store cache.Store, obj interface{}) {
 
 // Create one with no selector.  Verify it matches all pods
 func TestNoSelector(t *testing.T) {
-	dc, ps := newFakeDisruptionController()
+	_, ctx := ktesting.NewTestContext(t)
+	dc, ps := newFakeDisruptionController(ctx)
 
 	pdb, pdbName := newMinAvailablePodDisruptionBudget(t, intstr.FromInt32(3))
 	pdb.Spec.Selector = &metav1.LabelSelector{}
 	pod, _ := newPod(t, "yo-yo-yo")
 
 	add(t, dc.pdbStore, pdb)
-	ctx := context.TODO()
 	dc.sync(ctx, pdbName)
 	ps.VerifyPdbStatus(t, pdbName, 0, 0, 3, 0, map[string]metav1.Time{})
 
@@ -443,10 +442,10 @@ func TestNoSelector(t *testing.T) {
 // Verify that available/expected counts go up as we add pods, then verify that
 // available count goes down when we make a pod unavailable.
 func TestUnavailable(t *testing.T) {
-	dc, ps := newFakeDisruptionController()
+	_, ctx := ktesting.NewTestContext(t)
+	dc, ps := newFakeDisruptionController(ctx)
 
 	pdb, pdbName := newMinAvailablePodDisruptionBudget(t, intstr.FromInt32(3))
-	ctx := context.TODO()
 	add(t, dc.pdbStore, pdb)
 	dc.sync(ctx, pdbName)
 
@@ -473,11 +472,11 @@ func TestUnavailable(t *testing.T) {
 // Verify that an integer MaxUnavailable won't
 // allow a disruption for pods with no controller.
 func TestIntegerMaxUnavailable(t *testing.T) {
-	dc, ps := newFakeDisruptionController()
+	_, ctx := ktesting.NewTestContext(t)
+	dc, ps := newFakeDisruptionController(ctx)
 
 	pdb, pdbName := newMaxUnavailablePodDisruptionBudget(t, intstr.FromInt32(1))
 	add(t, dc.pdbStore, pdb)
-	ctx := context.TODO()
 	dc.sync(ctx, pdbName)
 	// This verifies that when a PDB has 0 pods, disruptions are not allowed.
 	ps.VerifyDisruptionAllowed(t, pdbName, 0)
@@ -494,7 +493,8 @@ func TestIntegerMaxUnavailable(t *testing.T) {
 // Verify that an integer MaxUnavailable will recompute allowed disruptions when the scale of
 // the selected pod's controller is modified.
 func TestIntegerMaxUnavailableWithScaling(t *testing.T) {
-	dc, ps := newFakeDisruptionController()
+	_, ctx := ktesting.NewTestContext(t)
+	dc, ps := newFakeDisruptionController(ctx)
 
 	pdb, pdbName := newMaxUnavailablePodDisruptionBudget(t, intstr.FromInt32(2))
 	add(t, dc.pdbStore, pdb)
@@ -504,7 +504,6 @@ func TestIntegerMaxUnavailableWithScaling(t *testing.T) {
 
 	pod, _ := newPod(t, "pod")
 	updatePodOwnerToRs(t, pod, rs)
-	ctx := context.TODO()
 	add(t, dc.podStore, pod)
 	dc.sync(ctx, pdbName)
 	ps.VerifyPdbStatus(t, pdbName, 0, 1, 5, 7, map[string]metav1.Time{})
@@ -520,7 +519,8 @@ func TestIntegerMaxUnavailableWithScaling(t *testing.T) {
 // Verify that an percentage MaxUnavailable will recompute allowed disruptions when the scale of
 // the selected pod's controller is modified.
 func TestPercentageMaxUnavailableWithScaling(t *testing.T) {
-	dc, ps := newFakeDisruptionController()
+	_, ctx := ktesting.NewTestContext(t)
+	dc, ps := newFakeDisruptionController(ctx)
 
 	pdb, pdbName := newMaxUnavailablePodDisruptionBudget(t, intstr.FromString("30%"))
 	add(t, dc.pdbStore, pdb)
@@ -531,7 +531,6 @@ func TestPercentageMaxUnavailableWithScaling(t *testing.T) {
 	pod, _ := newPod(t, "pod")
 	updatePodOwnerToRs(t, pod, rs)
 	add(t, dc.podStore, pod)
-	ctx := context.TODO()
 	dc.sync(ctx, pdbName)
 	ps.VerifyPdbStatus(t, pdbName, 0, 1, 4, 7, map[string]metav1.Time{})
 
@@ -546,11 +545,11 @@ func TestPercentageMaxUnavailableWithScaling(t *testing.T) {
 // Create a pod  with no controller, and verify that a PDB with a percentage
 // specified won't allow a disruption.
 func TestNakedPod(t *testing.T) {
-	dc, ps := newFakeDisruptionController()
+	_, ctx := ktesting.NewTestContext(t)
+	dc, ps := newFakeDisruptionController(ctx)
 
 	pdb, pdbName := newMinAvailablePodDisruptionBudget(t, intstr.FromString("28%"))
 	add(t, dc.pdbStore, pdb)
-	ctx := context.TODO()
 	dc.sync(ctx, pdbName)
 	// This verifies that when a PDB has 0 pods, disruptions are not allowed.
 	ps.VerifyDisruptionAllowed(t, pdbName, 0)
@@ -566,11 +565,11 @@ func TestNakedPod(t *testing.T) {
 // Create a pod  with unsupported controller, and verify that a PDB with a percentage
 // specified won't allow a disruption.
 func TestUnsupportedControllerPod(t *testing.T) {
-	dc, ps := newFakeDisruptionController()
+	_, ctx := ktesting.NewTestContext(t)
+	dc, ps := newFakeDisruptionController(ctx)
 
 	pdb, pdbName := newMinAvailablePodDisruptionBudget(t, intstr.FromString("28%"))
 	add(t, dc.pdbStore, pdb)
-	ctx := context.TODO()
 	dc.sync(ctx, pdbName)
 	// This verifies that when a PDB has 0 pods, disruptions are not allowed.
 	ps.VerifyDisruptionAllowed(t, pdbName, 0)
@@ -594,11 +593,11 @@ func TestUnsupportedControllerPod(t *testing.T) {
 
 // Verify that disruption controller is not erroring when unmanaged pods are found
 func TestStatusForUnmanagedPod(t *testing.T) {
-	dc, ps := newFakeDisruptionController()
+	_, ctx := ktesting.NewTestContext(t)
+	dc, ps := newFakeDisruptionController(ctx)
 
 	pdb, pdbName := newMinAvailablePodDisruptionBudget(t, intstr.FromString("28%"))
 	add(t, dc.pdbStore, pdb)
-	ctx := context.TODO()
 	dc.sync(ctx, pdbName)
 	// This verifies that when a PDB has 0 pods, disruptions are not allowed.
 	ps.VerifyDisruptionAllowed(t, pdbName, 0)
@@ -612,11 +611,11 @@ func TestStatusForUnmanagedPod(t *testing.T) {
 
 // Check if the unmanaged pods are correctly collected or not
 func TestTotalUnmanagedPods(t *testing.T) {
-	dc, ps := newFakeDisruptionController()
+	_, ctx := ktesting.NewTestContext(t)
+	dc, ps := newFakeDisruptionController(ctx)
 
 	pdb, pdbName := newMinAvailablePodDisruptionBudget(t, intstr.FromString("28%"))
 	add(t, dc.pdbStore, pdb)
-	ctx := context.TODO()
 	dc.sync(ctx, pdbName)
 	// This verifies that when a PDB has 0 pods, disruptions are not allowed.
 	ps.VerifyDisruptionAllowed(t, pdbName, 0)
@@ -636,14 +635,14 @@ func TestTotalUnmanagedPods(t *testing.T) {
 
 // Verify that we count the scale of a ReplicaSet even when it has no Deployment.
 func TestReplicaSet(t *testing.T) {
-	dc, ps := newFakeDisruptionController()
+	_, ctx := ktesting.NewTestContext(t)
+	dc, ps := newFakeDisruptionController(ctx)
 
 	pdb, pdbName := newMinAvailablePodDisruptionBudget(t, intstr.FromString("20%"))
 	add(t, dc.pdbStore, pdb)
 
 	rs, _ := newReplicaSet(t, 10)
 	add(t, dc.rsStore, rs)
-	ctx := context.TODO()
 	pod, _ := newPod(t, "pod")
 	updatePodOwnerToRs(t, pod, rs)
 	add(t, dc.podStore, pod)
@@ -657,7 +656,8 @@ func TestScaleResource(t *testing.T) {
 	pods := int32(4)
 	maxUnavailable := int32(5)
 
-	dc, ps := newFakeDisruptionController()
+	_, ctx := ktesting.NewTestContext(t)
+	dc, ps := newFakeDisruptionController(ctx)
 
 	dc.scaleClient.AddReactor("get", "customresources", func(action core.Action) (handled bool, ret runtime.Object, err error) {
 		obj := &autoscalingapi.Scale{
@@ -688,7 +688,6 @@ func TestScaleResource(t *testing.T) {
 		})
 		add(t, dc.podStore, pod)
 	}
-	ctx := context.TODO()
 	dc.sync(ctx, pdbName)
 	disruptionsAllowed := int32(0)
 	if replicas-pods < maxUnavailable {
@@ -750,7 +749,8 @@ func TestScaleFinderNoResource(t *testing.T) {
 		t.Run(tn, func(t *testing.T) {
 			customResourceUID := uuid.NewUUID()
 
-			dc, _ := newFakeDisruptionController()
+			_, ctx := ktesting.NewTestContext(t)
+			dc, _ := newFakeDisruptionController(ctx)
 
 			dc.scaleClient.AddReactor("get", resourceName, func(action core.Action) (handled bool, ret runtime.Object, err error) {
 				gr := schema.GroupResource{
@@ -774,7 +774,7 @@ func TestScaleFinderNoResource(t *testing.T) {
 				UID:        customResourceUID,
 			}
 
-			_, err := dc.getScaleController(context.TODO(), ownerRef, "default")
+			_, err := dc.getScaleController(ctx, ownerRef, "default")
 
 			if tc.expectError && err == nil {
 				t.Error("expected error, but didn't get one")
@@ -790,8 +790,8 @@ func TestScaleFinderNoResource(t *testing.T) {
 // Verify that multiple controllers doesn't allow the PDB to be set true.
 func TestMultipleControllers(t *testing.T) {
 	const podCount = 2
-
+	_, ctx := ktesting.NewTestContext(t)
-	dc, ps := newFakeDisruptionController()
+	dc, ps := newFakeDisruptionController(ctx)
 
 	pdb, pdbName := newMinAvailablePodDisruptionBudget(t, intstr.FromString("1%"))
 	add(t, dc.pdbStore, pdb)
@@ -802,7 +802,6 @@ func TestMultipleControllers(t *testing.T) {
 		pods = append(pods, pod)
 		add(t, dc.podStore, pod)
 	}
-	ctx := context.TODO()
 	dc.sync(ctx, pdbName)
 
 	// No controllers yet => no disruption allowed
@@ -840,8 +839,8 @@ func TestReplicationController(t *testing.T) {
 		"foo": "bar",
 		"baz": "quux",
 	}
-
+	_, ctx := ktesting.NewTestContext(t)
-	dc, ps := newFakeDisruptionController()
+	dc, ps := newFakeDisruptionController(ctx)
 
 	// 34% should round up to 2
 	pdb, pdbName := newMinAvailablePodDisruptionBudget(t, intstr.FromString("34%"))
@@ -849,7 +848,6 @@ func TestReplicationController(t *testing.T) {
 	rc, _ := newReplicationController(t, 3)
 	rc.Spec.Selector = labels
 	add(t, dc.rcStore, rc)
-	ctx := context.TODO()
 	dc.sync(ctx, pdbName)
 
 	// It starts out at 0 expected because, with no pods, the PDB doesn't know
@@ -881,14 +879,14 @@ func TestStatefulSetController(t *testing.T) {
 		"baz": "quux",
 	}
 
-	dc, ps := newFakeDisruptionController()
+	_, ctx := ktesting.NewTestContext(t)
+	dc, ps := newFakeDisruptionController(ctx)
 
 	// 34% should round up to 2
 	pdb, pdbName := newMinAvailablePodDisruptionBudget(t, intstr.FromString("34%"))
 	add(t, dc.pdbStore, pdb)
 	ss, _ := newStatefulSet(t, 3)
 	add(t, dc.ssStore, ss)
-	ctx := context.TODO()
 	dc.sync(ctx, pdbName)
 
 	// It starts out at 0 expected because, with no pods, the PDB doesn't know
@@ -920,7 +918,8 @@ func TestTwoControllers(t *testing.T) {
 		"foo": "bar",
 		"baz": "quuux",
 	}
-	dc, ps := newFakeDisruptionController()
+	_, ctx := ktesting.NewTestContext(t)
+	dc, ps := newFakeDisruptionController(ctx)
 
 	// These constants are related, but I avoid calculating the correct values in
 	// code.  If you update a parameter here, recalculate the correct values for
@@ -935,7 +934,6 @@ func TestTwoControllers(t *testing.T) {
 	rc, _ := newReplicationController(t, collectionSize)
 	rc.Spec.Selector = rcLabels
 	add(t, dc.rcStore, rc)
-	ctx := context.TODO()
 	dc.sync(ctx, pdbName)
 
 	ps.VerifyPdbStatus(t, pdbName, 0, 0, 0, 0, map[string]metav1.Time{})
@@ -1019,16 +1017,18 @@ func TestTwoControllers(t *testing.T) {
 
 // Test pdb doesn't exist
 func TestPDBNotExist(t *testing.T) {
-	dc, _ := newFakeDisruptionController()
+	_, ctx := ktesting.NewTestContext(t)
+	dc, _ := newFakeDisruptionController(ctx)
 	pdb, _ := newMinAvailablePodDisruptionBudget(t, intstr.FromString("67%"))
 	add(t, dc.pdbStore, pdb)
-	if err := dc.sync(context.TODO(), "notExist"); err != nil {
+	if err := dc.sync(ctx, "notExist"); err != nil {
 		t.Errorf("Unexpected error: %v, expect nil", err)
 	}
 }
 
 func TestUpdateDisruptedPods(t *testing.T) {
-	dc, ps := newFakeDisruptionController()
+	_, ctx := ktesting.NewTestContext(t)
+	dc, ps := newFakeDisruptionController(ctx)
 	dc.recheckQueue = workqueue.NewNamedDelayingQueue("pdb_queue")
 	pdb, pdbName := newMinAvailablePodDisruptionBudget(t, intstr.FromInt32(1))
 	currentTime := dc.clock.Now()
@@ -1049,13 +1049,14 @@ func TestUpdateDisruptedPods(t *testing.T) {
 	add(t, dc.podStore, pod2)
 	add(t, dc.podStore, pod3)
 
-	dc.sync(context.TODO(), pdbName)
+	dc.sync(ctx, pdbName)
 
 	ps.VerifyPdbStatus(t, pdbName, 0, 1, 1, 3, map[string]metav1.Time{"p3": {Time: currentTime.Add(-time.Minute)}})
 }
 
 func TestBasicFinderFunctions(t *testing.T) {
-	dc, _ := newFakeDisruptionController()
+	_, ctx := ktesting.NewTestContext(t)
+	dc, _ := newFakeDisruptionController(ctx)
 
 	rs, _ := newReplicaSet(t, 10)
 	add(t, dc.rsStore, rs)
@@ -1135,7 +1136,7 @@ func TestBasicFinderFunctions(t *testing.T) {
 				UID:        tc.uid,
 			}
 
-			controllerAndScale, _ := tc.finderFunc(context.TODO(), controllerRef, metav1.NamespaceDefault)
+			controllerAndScale, _ := tc.finderFunc(ctx, controllerRef, metav1.NamespaceDefault)
 
 			if controllerAndScale == nil {
 				if tc.findsScale {
@@ -1208,7 +1209,8 @@ func TestDeploymentFinderFunction(t *testing.T) {
 
 	for tn, tc := range testCases {
 		t.Run(tn, func(t *testing.T) {
-			dc, _ := newFakeDisruptionController()
+			_, ctx := ktesting.NewTestContext(t)
+			dc, _ := newFakeDisruptionController(ctx)
 
 			dep, _ := newDeployment(t, 10)
 			dep.Spec.Selector = newSel(labels)
@@ -1233,7 +1235,7 @@ func TestDeploymentFinderFunction(t *testing.T) {
 				UID:        rs.UID,
 			}
 
-			controllerAndScale, _ := dc.getPodDeployment(context.TODO(), controllerRef, metav1.NamespaceDefault)
+			controllerAndScale, _ := dc.getPodDeployment(ctx, controllerRef, metav1.NamespaceDefault)
 
 			if controllerAndScale == nil {
 				if tc.findsScale {
@@ -1267,10 +1269,10 @@ func TestDeploymentFinderFunction(t *testing.T) {
 // (C) If the DisruptionController writes DisruptionsAllowed=1 despite the
 // resource conflict error, then there is a bug.
 func TestUpdatePDBStatusRetries(t *testing.T) {
-	dc, _ := newFakeDisruptionController()
+	_, ctx := ktesting.NewTestContext(t)
+	dc, _ := newFakeDisruptionController(ctx)
 	// Inject the production code over our fake impl
 	dc.getUpdater = func() updater { return dc.writePdbStatus }
-	ctx := context.TODO()
 	// Create a PDB and 3 pods that match it.
 	pdb, pdbKey := newMinAvailablePodDisruptionBudget(t, intstr.FromInt32(1))
 	pdb, err := dc.coreClient.PolicyV1().PodDisruptionBudgets(pdb.Namespace).Create(ctx, pdb, metav1.CreateOptions{})
@@ -1380,8 +1382,6 @@ func TestUpdatePDBStatusRetries(t *testing.T) {
 }
 
 func TestInvalidSelectors(t *testing.T) {
-	ctx, cancel := context.WithCancel(context.Background())
-	defer cancel()
 	testCases := map[string]struct {
 		labelSelector *metav1.LabelSelector
 	}{
@@ -1407,7 +1407,9 @@ func TestInvalidSelectors(t *testing.T) {
 
 	for tn, tc := range testCases {
 		t.Run(tn, func(t *testing.T) {
-			dc, ps := newFakeDisruptionController()
+			_, ctx := ktesting.NewTestContext(t)
+
+			dc, ps := newFakeDisruptionController(ctx)
 
 			pdb, pdbName := newMinAvailablePodDisruptionBudget(t, intstr.FromInt32(3))
 			pdb.Spec.Selector = tc.labelSelector
@@ -1536,7 +1538,8 @@ func TestStalePodDisruption(t *testing.T) {
 	}
 	for name, tc := range cases {
 		t.Run(name, func(t *testing.T) {
-			ctx, cancel := context.WithCancel(context.Background())
+			_, ctx := ktesting.NewTestContext(t)
+			ctx, cancel := context.WithCancel(ctx)
 			defer cancel()
 			dc, _ := newFakeDisruptionControllerWithTime(ctx, now)
 			go dc.Run(ctx)
@@ -1584,9 +1587,3 @@ func verifyEventEmitted(t *testing.T, dc *disruptionController, expectedEvent st
 		}
 	}
 }
-
-// TestMain adds klog flags to make debugging tests easier.
-func TestMain(m *testing.M) {
-	klog.InitFlags(flag.CommandLine)
-	os.Exit(m.Run())
-}

test/integration/disruption/disruption_test.go

@@ -50,13 +50,14 @@ import (
 	"k8s.io/kubernetes/test/integration/etcd"
 	"k8s.io/kubernetes/test/integration/framework"
 	"k8s.io/kubernetes/test/integration/util"
+	"k8s.io/kubernetes/test/utils/ktesting"
 	"k8s.io/utils/clock"
 	"k8s.io/utils/pointer"
 )
 
 const stalePodDisruptionTimeout = 3 * time.Second
 
-func setup(t *testing.T) (*kubeapiservertesting.TestServer, *disruption.DisruptionController, informers.SharedInformerFactory, clientset.Interface, *apiextensionsclientset.Clientset, dynamic.Interface) {
+func setup(ctx context.Context, t *testing.T) (*kubeapiservertesting.TestServer, *disruption.DisruptionController, informers.SharedInformerFactory, clientset.Interface, *apiextensionsclientset.Clientset, dynamic.Interface) {
 	server := kubeapiservertesting.StartTestServerOrDie(t, nil, []string{"--disable-admission-plugins", "ServiceAccount"}, framework.SharedEtcd())
 
 	clientSet, err := clientset.NewForConfig(server.ClientConfig)
@@ -88,6 +89,7 @@ func setup(t *testing.T) (*kubeapiservertesting.TestServer, *disruption.Disrupti
 	}
 
 	pdbc := disruption.NewDisruptionControllerInternal(
+		ctx,
 		informers.Core().V1().Pods(),
 		informers.Policy().V1().PodDisruptionBudgets(),
 		informers.Core().V1().ReplicationControllers(),
@@ -105,11 +107,13 @@ func setup(t *testing.T) (*kubeapiservertesting.TestServer, *disruption.Disrupti
 }
 
 func TestPDBWithScaleSubresource(t *testing.T) {
-	s, pdbc, informers, clientSet, apiExtensionClient, dynamicClient := setup(t)
+	_, ctx := ktesting.NewTestContext(t)
-	defer s.TearDownFn()
+	ctx, cancel := context.WithCancel(ctx)
 
-	ctx, cancel := context.WithCancel(context.Background())
+	s, pdbc, informers, clientSet, apiExtensionClient, dynamicClient := setup(ctx, t)
+	defer s.TearDownFn()
 	defer cancel()
+
 	nsName := "pdb-scale-subresource"
 	createNs(ctx, t, nsName, clientSet)
 
@@ -238,10 +242,11 @@ func TestEmptySelector(t *testing.T) {
 
 	for i, tc := range testcases {
 		t.Run(tc.name, func(t *testing.T) {
-			s, pdbc, informers, clientSet, _, _ := setup(t)
+			_, ctx := ktesting.NewTestContext(t)
-			defer s.TearDownFn()
+			ctx, cancel := context.WithCancel(ctx)
 
-			ctx, cancel := context.WithCancel(context.Background())
+			s, pdbc, informers, clientSet, _, _ := setup(ctx, t)
+			defer s.TearDownFn()
 			defer cancel()
 
 			nsName := fmt.Sprintf("pdb-empty-selector-%d", i)
@@ -354,10 +359,11 @@ func TestSelectorsForPodsWithoutLabels(t *testing.T) {
 
 	for i, tc := range testcases {
 		t.Run(tc.name, func(t *testing.T) {
-			s, pdbc, informers, clientSet, _, _ := setup(t)
+			_, ctx := ktesting.NewTestContext(t)
-			defer s.TearDownFn()
+			ctx, cancel := context.WithCancel(ctx)
 
-			ctx, cancel := context.WithCancel(context.Background())
+			s, pdbc, informers, clientSet, _, _ := setup(ctx, t)
+			defer s.TearDownFn()
 			defer cancel()
 
 			nsName := fmt.Sprintf("pdb-selectors-%d", i)
@@ -508,12 +514,12 @@ func waitToObservePods(t *testing.T, podInformer cache.SharedIndexInformer, podN
 }
 
 func TestPatchCompatibility(t *testing.T) {
-	s, pdbc, _, clientSet, _, _ := setup(t)
+	ctx, cancel := context.WithCancel(context.Background())
-	defer s.TearDownFn()
 
+	s, pdbc, _, clientSet, _, _ := setup(ctx, t)
+	defer s.TearDownFn()
 	// Even though pdbc isn't used in this test, its creation is already
 	// spawning some goroutines. So we need to run it to ensure they won't leak.
-	ctx, cancel := context.WithCancel(context.Background())
 	cancel()
 	pdbc.Run(ctx)
 
@@ -653,10 +659,11 @@ func TestPatchCompatibility(t *testing.T) {
 }
 
 func TestStalePodDisruption(t *testing.T) {
-	s, pdbc, informers, clientSet, _, _ := setup(t)
+	_, ctx := ktesting.NewTestContext(t)
-	defer s.TearDownFn()
+	ctx, cancel := context.WithCancel(ctx)
 
-	ctx, cancel := context.WithCancel(context.Background())
+	s, pdbc, informers, clientSet, _, _ := setup(ctx, t)
+	defer s.TearDownFn()
 	defer cancel()
 
 	nsName := "pdb-stale-pod-disruption"

test/integration/evictions/evictions_test.go

@@ -57,6 +57,7 @@ import (
 	"k8s.io/kubernetes/pkg/controller/disruption"
 	"k8s.io/kubernetes/pkg/features"
 	"k8s.io/kubernetes/test/integration/framework"
+	"k8s.io/kubernetes/test/utils/ktesting"
 )
 
 const (
@@ -68,14 +69,16 @@ const (
 func TestConcurrentEvictionRequests(t *testing.T) {
 	podNameFormat := "test-pod-%d"
 
-	closeFn, rm, informers, _, clientSet := rmSetup(t)
+	_, ctx := ktesting.NewTestContext(t)
+	ctx, cancel := context.WithCancel(ctx)
+
+	closeFn, rm, informers, _, clientSet := rmSetup(ctx, t)
 	defer closeFn()
 
 	ns := framework.CreateNamespaceOrDie(clientSet, "concurrent-eviction-requests", t)
 	defer framework.DeleteNamespaceOrDie(clientSet, ns, t)
-
-	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
+
 	informers.Start(ctx.Done())
 	go rm.Run(ctx)
 
@@ -181,14 +184,16 @@ func TestConcurrentEvictionRequests(t *testing.T) {
 
 // TestTerminalPodEviction ensures that PDB is not checked for terminal pods.
 func TestTerminalPodEviction(t *testing.T) {
-	closeFn, rm, informers, _, clientSet := rmSetup(t)
+	_, ctx := ktesting.NewTestContext(t)
+	ctx, cancel := context.WithCancel(ctx)
+
+	closeFn, rm, informers, _, clientSet := rmSetup(ctx, t)
 	defer closeFn()
 
 	ns := framework.CreateNamespaceOrDie(clientSet, "terminalpod-eviction", t)
 	defer framework.DeleteNamespaceOrDie(clientSet, ns, t)
-
-	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
+
 	informers.Start(ctx.Done())
 	go rm.Run(ctx)
 
@@ -255,11 +260,13 @@ func TestTerminalPodEviction(t *testing.T) {
 
 // TestEvictionVersions ensures the eviction endpoint accepts and returns the correct API versions
 func TestEvictionVersions(t *testing.T) {
-	closeFn, rm, informers, config, clientSet := rmSetup(t)
+	_, ctx := ktesting.NewTestContext(t)
-	defer closeFn()
+	ctx, cancel := context.WithCancel(ctx)
 
-	ctx, cancel := context.WithCancel(context.Background())
+	closeFn, rm, informers, config, clientSet := rmSetup(ctx, t)
+	defer closeFn()
 	defer cancel()
+
 	informers.Start(ctx.Done())
 	go rm.Run(ctx)
 
@@ -379,15 +386,17 @@ func TestEvictionWithFinalizers(t *testing.T) {
 	}
 	for name, tc := range cases {
 		t.Run(name, func(t *testing.T) {
-			closeFn, rm, informers, _, clientSet := rmSetup(t)
+			_, ctx := ktesting.NewTestContext(t)
+			ctx, cancel := context.WithCancel(ctx)
+
+			closeFn, rm, informers, _, clientSet := rmSetup(ctx, t)
 			defer closeFn()
 
 			ns := framework.CreateNamespaceOrDie(clientSet, "eviction-with-finalizers", t)
 			defer framework.DeleteNamespaceOrDie(clientSet, ns, t)
 			defer featuregatetesting.SetFeatureGateDuringTest(t, feature.DefaultFeatureGate, features.PodDisruptionConditions, tc.enablePodDisruptionConditions)()
-
-			ctx, cancel := context.WithCancel(context.Background())
 			defer cancel()
+
 			informers.Start(ctx.Done())
 			go rm.Run(ctx)
 
@@ -465,15 +474,17 @@ func TestEvictionWithUnhealthyPodEvictionPolicy(t *testing.T) {
 	}
 	for name, tc := range cases {
 		t.Run(name, func(t *testing.T) {
+			_, ctx := ktesting.NewTestContext(t)
+			ctx, cancel := context.WithCancel(ctx)
+
 			defer featuregatetesting.SetFeatureGateDuringTest(t, feature.DefaultFeatureGate, features.PDBUnhealthyPodEvictionPolicy, tc.enableUnhealthyPodEvictionPolicy)()
-			closeFn, rm, informers, _, clientSet := rmSetup(t)
+			closeFn, rm, informers, _, clientSet := rmSetup(ctx, t)
 			defer closeFn()
 
 			ns := framework.CreateNamespaceOrDie(clientSet, "eviction-with-pdb-pod-healthy-policy", t)
 			defer framework.DeleteNamespaceOrDie(clientSet, ns, t)
-
-			ctx, cancel := context.WithCancel(context.Background())
 			defer cancel()
+
 			informers.Start(ctx.Done())
 			go rm.Run(ctx)
 
@@ -559,13 +570,15 @@ func TestEvictionWithPrecondition(t *testing.T) {
 	}
 	for name, tc := range cases {
 		t.Run(name, func(t *testing.T) {
-			closeFn, rm, informers, _, clientSet := rmSetup(t)
+			_, ctx := ktesting.NewTestContext(t)
+			ctx, cancel := context.WithCancel(ctx)
+
+			closeFn, rm, informers, _, clientSet := rmSetup(ctx, t)
 			defer closeFn()
 
 			ns := framework.CreateNamespaceOrDie(clientSet, "eviction-with-preconditions", t)
 			defer framework.DeleteNamespaceOrDie(clientSet, ns, t)
 
-			ctx, cancel := context.WithCancel(context.Background())
 			defer cancel()
 			informers.Start(ctx.Done())
 			go rm.Run(ctx)
@@ -685,7 +698,7 @@ func newV1Eviction(ns, evictionName string, deleteOption metav1.DeleteOptions) *
 	}
 }
 
-func rmSetup(t *testing.T) (kubeapiservertesting.TearDownFunc, *disruption.DisruptionController, informers.SharedInformerFactory, *restclient.Config, clientset.Interface) {
+func rmSetup(ctx context.Context, t *testing.T) (kubeapiservertesting.TearDownFunc, *disruption.DisruptionController, informers.SharedInformerFactory, *restclient.Config, clientset.Interface) {
 	// Disable ServiceAccount admission plugin as we don't have serviceaccount controller running.
 	server := kubeapiservertesting.StartTestServerOrDie(t, nil, []string{"--disable-admission-plugins=ServiceAccount"}, framework.SharedEtcd())
 
@@ -709,6 +722,7 @@ func rmSetup(t *testing.T) (kubeapiservertesting.TearDownFunc, *disruption.Disru
 	}
 
 	rm := disruption.NewDisruptionController(
+		ctx,
 		informers.Core().V1().Pods(),
 		informers.Policy().V1().PodDisruptionBudgets(),
 		informers.Core().V1().ReplicationControllers(),

test/integration/util/util.go

@@ -605,6 +605,7 @@ func PodScheduled(c clientset.Interface, podNamespace, podName string) wait.Cond
 // InitDisruptionController initializes and runs a Disruption Controller to properly
 // update PodDisuptionBudget objects.
 func InitDisruptionController(t *testing.T, testCtx *TestContext) *disruption.DisruptionController {
+	_, ctx := ktesting.NewTestContext(t)
 	informers := informers.NewSharedInformerFactory(testCtx.ClientSet, 12*time.Hour)
 
 	discoveryClient := cacheddiscovery.NewMemCacheClient(testCtx.ClientSet.Discovery())
@@ -618,6 +619,7 @@ func InitDisruptionController(t *testing.T, testCtx *TestContext) *disruption.Di
 	}
 
 	dc := disruption.NewDisruptionController(
+		ctx,
 		informers.Core().V1().Pods(),
 		informers.Policy().V1().PodDisruptionBudgets(),
 		informers.Core().V1().ReplicationControllers(),