Golang api.NewDeleteOptions函数代码示例

func ReapResult(r *resource.Result, f *cmdutil.Factory, out io.Writer, isDefaultDelete, ignoreNotFound bool, timeout time.Duration, gracePeriod int, shortOutput bool, mapper meta.RESTMapper) error {
	found := 0
	if ignoreNotFound {
		r = r.IgnoreErrors(errors.IsNotFound)
	}
	err := r.Visit(func(info *resource.Info) error {
		found++
		reaper, err := f.Reaper(info.Mapping)
		if err != nil {
			// If there is no reaper for this resources and the user didn't explicitly ask for stop.
			if kubectl.IsNoSuchReaperError(err) && isDefaultDelete {
				return deleteResource(info, out, shortOutput, mapper)
			}
			return cmdutil.AddSourceToErr("reaping", info.Source, err)
		}
		var options *api.DeleteOptions
		if gracePeriod >= 0 {
			options = api.NewDeleteOptions(int64(gracePeriod))
		}
		if _, err := reaper.Stop(info.Namespace, info.Name, timeout, options); err != nil {
			return cmdutil.AddSourceToErr("stopping", info.Source, err)
		}
		cmdutil.PrintSuccess(mapper, shortOutput, out, info.Mapping.Resource, info.Name, "deleted")
		return nil
	})
	if err != nil {
		return err
	}
	if found == 0 {
		fmt.Fprintf(out, "No resources found\n")
	}
	return nil
}

func checkExistingRCRecovers(f Framework) {
	By("assert that the pre-existing replication controller recovers")
	podClient := f.Client.Pods(f.Namespace.Name)
	rcSelector := labels.Set{"name": "baz"}.AsSelector()

	By("deleting pods from existing replication controller")
	expectNoError(wait.Poll(time.Millisecond*500, time.Second*30, func() (bool, error) {
		pods, err := podClient.List(rcSelector, fields.Everything())
		Expect(err).NotTo(HaveOccurred())
		if len(pods.Items) == 0 {
			return false, nil
		}
		for _, pod := range pods.Items {
			err = podClient.Delete(pod.Name, api.NewDeleteOptions(0))
			Expect(err).NotTo(HaveOccurred())
		}
		return true, nil
	}))

	By("waiting for replication controller to recover")
	expectNoError(wait.Poll(time.Millisecond*500, time.Second*30, func() (bool, error) {
		pods, err := podClient.List(rcSelector, fields.Everything())
		Expect(err).NotTo(HaveOccurred())
		for _, pod := range pods.Items {
			if api.IsPodReady(&pod) {
				return true, nil
			}
		}
		return false, nil
	}))
}

func (t *Tester) TestDeleteNoGraceful(createFn func() runtime.Object, wasGracefulFn func() bool) {
	existing := createFn()
	objectMeta, err := api.ObjectMetaFor(existing)
	if err != nil {
		t.Fatalf("object does not have ObjectMeta: %v\n%#v", err, existing)
	}
	ctx := api.WithNamespace(t.TestContext(), objectMeta.Namespace)
	_, err = t.storage.(rest.GracefulDeleter).Delete(ctx, objectMeta.Name, api.NewDeleteOptions(10))
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}
	if _, err := t.storage.(rest.Getter).Get(ctx, objectMeta.Name); !errors.IsNotFound(err) {
		t.Errorf("unexpected error, object should not exist: %v", err)
	}
	if wasGracefulFn() {
		t.Errorf("resource should not support graceful delete")
	}
}

// Delete removes the item from etcd.
func (e *Etcd) Delete(ctx api.Context, name string, options *api.DeleteOptions) (runtime.Object, error) {
	key, err := e.KeyFunc(ctx, name)
	if err != nil {
		return nil, err
	}

	obj := e.NewFunc()
	trace := util.NewTrace("Delete " + reflect.TypeOf(obj).String())
	defer trace.LogIfLong(time.Second)
	trace.Step("About to read object")
	if err := e.Helper.ExtractObj(key, obj, false); err != nil {
		return nil, etcderr.InterpretDeleteError(err, e.EndpointName, name)
	}

	// support older consumers of delete by treating "nil" as delete immediately
	if options == nil {
		options = api.NewDeleteOptions(0)
	}
	graceful, pendingGraceful, err := rest.BeforeDelete(e.DeleteStrategy, ctx, obj, options)
	if err != nil {
		return nil, err
	}
	if pendingGraceful {
		return e.finalizeDelete(obj, false)
	}
	if graceful && *options.GracePeriodSeconds != 0 {
		trace.Step("Graceful deletion")
		out := e.NewFunc()
		if err := e.Helper.SetObj(key, obj, out, uint64(*options.GracePeriodSeconds)); err != nil {
			return nil, etcderr.InterpretUpdateError(err, e.EndpointName, name)
		}
		return e.finalizeDelete(out, true)
	}

	// delete immediately, or no graceful deletion supported
	out := e.NewFunc()
	trace.Step("About to delete object")
	if err := e.Helper.DeleteObj(key, out); err != nil {
		return nil, etcderr.InterpretDeleteError(err, e.EndpointName, name)
	}
	return e.finalizeDelete(out, true)
}

func TestEtcdDeletePodMultipleContainers(t *testing.T) {
	registry, _, _, fakeClient, _ := newStorage(t)
	ctx := api.NewDefaultContext()
	fakeClient.TestIndex = true
	key, _ := registry.KeyFunc(ctx, "foo")
	fakeClient.Set(key, runtime.EncodeOrDie(latest.Codec, &api.Pod{
		ObjectMeta: api.ObjectMeta{Name: "foo"},
		Spec:       api.PodSpec{Host: "machine"},
	}), 0)
	_, err := registry.Delete(ctx, "foo", api.NewDeleteOptions(0))
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}

	if len(fakeClient.DeletedKeys) != 1 {
		t.Errorf("Expected 1 delete, found %#v", fakeClient.DeletedKeys)
	}
	if fakeClient.DeletedKeys[0] != key {
		t.Errorf("Unexpected key: %s, expected %s", fakeClient.DeletedKeys[0], key)
	}
}

func runBuildCompletePodDeleteTest(t *testing.T, clusterAdminClient *client.Client, clusterAdminKubeClient *kclient.Client) {

	buildWatch, err := clusterAdminClient.Builds(testutil.Namespace()).Watch(labels.Everything(), fields.Everything(), "0")
	if err != nil {
		t.Fatalf("Couldn't subscribe to Builds %v", err)
	}
	defer buildWatch.Stop()

	created, err := clusterAdminClient.Builds(testutil.Namespace()).Create(mockBuild())
	if err != nil {
		t.Fatalf("Couldn't create Build: %v", err)
	}

	podWatch, err := clusterAdminKubeClient.Pods(testutil.Namespace()).Watch(labels.Everything(), fields.Everything(), created.ResourceVersion)
	if err != nil {
		t.Fatalf("Couldn't subscribe to Pods %v", err)
	}
	defer podWatch.Stop()

	// wait for initial build event from the creation of the imagerepo with tag latest
	event := waitForWatch(t, "initial build added", buildWatch)
	if e, a := watchapi.Added, event.Type; e != a {
		t.Fatalf("expected watch event type %s, got %s", e, a)
	}
	newBuild := event.Object.(*buildapi.Build)

	// initial pod creation for build
	event = waitForWatch(t, "build pod created", podWatch)
	if e, a := watchapi.Added, event.Type; e != a {
		t.Fatalf("expected watch event type %s, got %s", e, a)
	}

	event = waitForWatch(t, "build updated to pending", buildWatch)
	if e, a := watchapi.Modified, event.Type; e != a {
		t.Fatalf("expected watch event type %s, got %s", e, a)
	}

	newBuild = event.Object.(*buildapi.Build)
	if newBuild.Status.Phase != buildapi.BuildPhasePending {
		t.Fatalf("expected build status to be marked pending, but was marked %s", newBuild.Status.Phase)
	}

	newBuild.Status.Phase = buildapi.BuildPhaseComplete
	clusterAdminClient.Builds(testutil.Namespace()).Update(newBuild)
	event = waitForWatch(t, "build updated to complete", buildWatch)
	if e, a := watchapi.Modified, event.Type; e != a {
		t.Fatalf("expected watch event type %s, got %s", e, a)
	}
	newBuild = event.Object.(*buildapi.Build)
	if newBuild.Status.Phase != buildapi.BuildPhaseComplete {
		t.Fatalf("expected build status to be marked complete, but was marked %s", newBuild.Status.Phase)
	}

	clusterAdminKubeClient.Pods(testutil.Namespace()).Delete(buildutil.GetBuildPodName(newBuild), kapi.NewDeleteOptions(0))
	time.Sleep(10 * time.Second)
	newBuild, err = clusterAdminClient.Builds(testutil.Namespace()).Get(newBuild.Name)
	if err != nil {
		t.Fatalf("unexpected error %v", err)
	}
	if newBuild.Status.Phase != buildapi.BuildPhaseComplete {
		t.Fatalf("build status was updated to %s after deleting pod, should have stayed as %s", newBuild.Status.Phase, buildapi.BuildPhaseComplete)
	}
}

func runBuildRunningPodDeleteTest(t *testing.T, clusterAdminClient *client.Client, clusterAdminKubeClient *kclient.Client) {

	buildWatch, err := clusterAdminClient.Builds(testutil.Namespace()).Watch(labels.Everything(), fields.Everything(), "0")
	if err != nil {
		t.Fatalf("Couldn't subscribe to Builds %v", err)
	}
	defer buildWatch.Stop()

	created, err := clusterAdminClient.Builds(testutil.Namespace()).Create(mockBuild())
	if err != nil {
		t.Fatalf("Couldn't create Build: %v", err)
	}

	podWatch, err := clusterAdminKubeClient.Pods(testutil.Namespace()).Watch(labels.Everything(), fields.Everything(), created.ResourceVersion)
	if err != nil {
		t.Fatalf("Couldn't subscribe to Pods %v", err)
	}
	defer podWatch.Stop()

	// wait for initial build event from the creation of the imagerepo with tag latest
	event := waitForWatch(t, "initial build added", buildWatch)
	if e, a := watchapi.Added, event.Type; e != a {
		t.Fatalf("expected watch event type %s, got %s", e, a)
	}
	newBuild := event.Object.(*buildapi.Build)

	// initial pod creation for build
	event = waitForWatch(t, "build pod created", podWatch)
	if e, a := watchapi.Added, event.Type; e != a {
		t.Fatalf("expected watch event type %s, got %s", e, a)
	}

	event = waitForWatch(t, "build updated to pending", buildWatch)
	if e, a := watchapi.Modified, event.Type; e != a {
		t.Fatalf("expected watch event type %s, got %s", e, a)
	}
	newBuild = event.Object.(*buildapi.Build)
	if newBuild.Status != buildapi.BuildStatusPending {
		t.Fatalf("expected build status to be marked pending, but was marked %s", newBuild.Status)
	}

	clusterAdminKubeClient.Pods(testutil.Namespace()).Delete(buildutil.GetBuildPodName(newBuild), kapi.NewDeleteOptions(0))
	event = waitForWatch(t, "build updated to error", buildWatch)
	if e, a := watchapi.Modified, event.Type; e != a {
		t.Fatalf("expected watch event type %s, got %s", e, a)
	}
	newBuild = event.Object.(*buildapi.Build)
	if newBuild.Status != buildapi.BuildStatusError {
		t.Fatalf("expected build status to be marked error, but was marked %s", newBuild.Status)
	}
}

// Create creates a DeployerPodController.
func (factory *DeployerPodControllerFactory) Create() controller.RunnableController {
	deploymentLW := &deployutil.ListWatcherImpl{
		ListFunc: func() (runtime.Object, error) {
			return factory.KubeClient.ReplicationControllers(kapi.NamespaceAll).List(labels.Everything())
		},
		WatchFunc: func(resourceVersion string) (watch.Interface, error) {
			return factory.KubeClient.ReplicationControllers(kapi.NamespaceAll).Watch(labels.Everything(), fields.Everything(), resourceVersion)
		},
	}
	deploymentStore := cache.NewStore(cache.MetaNamespaceKeyFunc)
	cache.NewReflector(deploymentLW, &kapi.ReplicationController{}, deploymentStore, 2*time.Minute).Run()

	// TODO: These should be filtered somehow to include only the primary
	// deployer pod. For now, the controller is filtering.
	// TODO: Even with the label selector, this is inefficient on the backend
	// and we should work to consolidate namespace-spanning pod watches. For
	// example, the build infra is also watching pods across namespaces.
	podLW := &deployutil.ListWatcherImpl{
		ListFunc: func() (runtime.Object, error) {
			return factory.KubeClient.Pods(kapi.NamespaceAll).List(deployutil.AnyDeployerPodSelector(), fields.Everything())
		},
		WatchFunc: func(resourceVersion string) (watch.Interface, error) {
			return factory.KubeClient.Pods(kapi.NamespaceAll).Watch(deployutil.AnyDeployerPodSelector(), fields.Everything(), resourceVersion)
		},
	}
	podQueue := cache.NewFIFO(cache.MetaNamespaceKeyFunc)
	cache.NewReflector(podLW, &kapi.Pod{}, podQueue, 2*time.Minute).Run()

	podController := &DeployerPodController{
		deploymentClient: &deploymentClientImpl{
			getDeploymentFunc: func(namespace, name string) (*kapi.ReplicationController, error) {
				// Try to use the cache first. Trust hits and return them.
				example := &kapi.ReplicationController{ObjectMeta: kapi.ObjectMeta{Namespace: namespace, Name: name}}
				cached, exists, err := deploymentStore.Get(example)
				if err == nil && exists {
					return cached.(*kapi.ReplicationController), nil
				}
				// Double-check with the master for cache misses/errors, since those
				// are rare and API calls are expensive but more reliable.
				return factory.KubeClient.ReplicationControllers(namespace).Get(name)
			},
			updateDeploymentFunc: func(namespace string, deployment *kapi.ReplicationController) (*kapi.ReplicationController, error) {
				return factory.KubeClient.ReplicationControllers(namespace).Update(deployment)
			},
			listDeploymentsForConfigFunc: func(namespace, configName string) (*kapi.ReplicationControllerList, error) {
				return factory.KubeClient.ReplicationControllers(namespace).List(deployutil.ConfigSelector(configName))
			},
		},
		deployerPodsFor: func(namespace, name string) (*kapi.PodList, error) {
			return factory.KubeClient.Pods(namespace).List(deployutil.DeployerPodSelector(name), fields.Everything())
		},
		deletePod: func(namespace, name string) error {
			return factory.KubeClient.Pods(namespace).Delete(name, kapi.NewDeleteOptions(0))
		},
	}

	return &controller.RetryController{
		Queue: podQueue,
		RetryManager: controller.NewQueueRetryManager(
			podQueue,
			cache.MetaNamespaceKeyFunc,
			func(obj interface{}, err error, retries controller.Retry) bool {
				kutil.HandleError(err)
				// infinite retries for a transient error
				if _, isTransient := err.(transientError); isTransient {
					return true
				}
				// no retries for anything else
				if retries.Count > 0 {
					return false
				}
				return true
			},
			kutil.NewTokenBucketRateLimiter(1, 10),
		),
		Handle: func(obj interface{}) error {
			pod := obj.(*kapi.Pod)
			return podController.Handle(pod)
		},
	}
}