Golang api.NewDeleteOptions函数代码示例

func (t *Tester) TestDeleteGracefulImmediate(existing runtime.Object, expectedGrace int64, wasGracefulFn func() bool) {
	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(expectedGrace))
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}
	if !wasGracefulFn() {
		t.Errorf("did not gracefully delete resource")
	}
	// second delete is immediate, resource is deleted
	out, err := t.storage.(rest.GracefulDeleter).Delete(ctx, objectMeta.Name, api.NewDeleteOptions(0))
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}
	_, err = t.storage.(rest.Getter).Get(ctx, objectMeta.Name)
	if !errors.IsNotFound(err) {
		t.Errorf("unexpected error, object should be deleted immediately: %v", err)
	}
	objectMeta, err = api.ObjectMetaFor(out)
	if err != nil {
		t.Errorf("unexpected error: %v", err)
		return
	}
	if objectMeta.DeletionTimestamp == nil || objectMeta.DeletionGracePeriodSeconds == nil || *objectMeta.DeletionGracePeriodSeconds != 0 {
		t.Errorf("unexpected deleted meta: %#v", objectMeta)
	}
}

func (t *Tester) testDeleteGracefulExtend(obj runtime.Object, createFn CreateFunc, getFn GetFunc, expectedGrace int64) {
	ctx := t.TestContext()

	foo := copyOrDie(obj)
	t.setObjectMeta(foo, t.namer(3))
	if err := createFn(ctx, foo); err != nil {
		t.Errorf("unexpected error: %v", err)
	}
	objectMeta := t.getObjectMetaOrFail(foo)
	generation := objectMeta.Generation
	_, err := t.storage.(rest.GracefulDeleter).Delete(ctx, objectMeta.Name, api.NewDeleteOptions(expectedGrace))
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}
	if _, err := getFn(ctx, foo); err != nil {
		t.Fatalf("did not gracefully delete resource: %v", err)
	}

	// second delete duration is ignored
	_, err = t.storage.(rest.GracefulDeleter).Delete(ctx, objectMeta.Name, api.NewDeleteOptions(expectedGrace+2))
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}
	object, err := t.storage.(rest.Getter).Get(ctx, objectMeta.Name, &metav1.GetOptions{})
	if err != nil {
		t.Errorf("unexpected error, object should exist: %v", err)
	}
	objectMeta = t.getObjectMetaOrFail(object)
	if objectMeta.DeletionTimestamp == nil || objectMeta.DeletionGracePeriodSeconds == nil || *objectMeta.DeletionGracePeriodSeconds != expectedGrace {
		t.Errorf("unexpected deleted meta: %#v", objectMeta)
	}
	if generation >= objectMeta.Generation {
		t.Error("Generation wasn't bumped when deletion timestamp was set")
	}
}

func (t *Tester) testDeleteGracefulImmediate(obj runtime.Object, setFn SetFunc, getFn GetFunc, expectedGrace int64) {
	ctx := t.TestContext()

	foo := copyOrDie(obj)
	t.setObjectMeta(foo, "foo4")
	if err := setFn(ctx, foo); err != nil {
		t.Errorf("unexpected error: %v", err)
	}
	objectMeta := t.getObjectMetaOrFail(foo)
	_, err := t.storage.(rest.GracefulDeleter).Delete(ctx, objectMeta.Name, api.NewDeleteOptions(expectedGrace))
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}
	if _, err := getFn(ctx, foo); err != nil {
		t.Fatalf("did not gracefully delete resource", err)
	}

	// second delete is immediate, resource is deleted
	out, err := t.storage.(rest.GracefulDeleter).Delete(ctx, objectMeta.Name, api.NewDeleteOptions(0))
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}
	_, err = t.storage.(rest.Getter).Get(ctx, objectMeta.Name)
	if !errors.IsNotFound(err) {
		t.Errorf("unexpected error, object should be deleted immediately: %v", err)
	}
	objectMeta = t.getObjectMetaOrFail(out)
	// the second delete shouldn't update the object, so the objectMeta.DeletionGracePeriodSeconds should eqaul to the value set in the first delete.
	if objectMeta.DeletionTimestamp == nil || objectMeta.DeletionGracePeriodSeconds == nil || *objectMeta.DeletionGracePeriodSeconds != 0 {
		t.Errorf("unexpected deleted meta: %#v", objectMeta)
	}
}

func (t *Tester) testDeleteGracefulExtend(obj runtime.Object, setFn SetFunc, getFn GetFunc, expectedGrace int64) {
	ctx := t.TestContext()

	foo := copyOrDie(obj)
	t.setObjectMeta(foo, "foo3")
	if err := setFn(ctx, foo); err != nil {
		t.Errorf("unexpected error: %v", err)
	}
	objectMeta := t.getObjectMetaOrFail(foo)
	_, err := t.storage.(rest.GracefulDeleter).Delete(ctx, objectMeta.Name, api.NewDeleteOptions(expectedGrace))
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}
	if _, err := getFn(ctx, foo); err != nil {
		t.Fatalf("did not gracefully delete resource", err)
	}

	// second delete duration is ignored
	_, err = t.storage.(rest.GracefulDeleter).Delete(ctx, objectMeta.Name, api.NewDeleteOptions(expectedGrace+2))
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}
	object, err := t.storage.(rest.Getter).Get(ctx, objectMeta.Name)
	if err != nil {
		t.Errorf("unexpected error, object should exist: %v", err)
	}
	objectMeta = t.getObjectMetaOrFail(object)
	if objectMeta.DeletionTimestamp == nil || objectMeta.DeletionGracePeriodSeconds == nil || *objectMeta.DeletionGracePeriodSeconds != expectedGrace {
		t.Errorf("unexpected deleted meta: %#v", objectMeta)
	}
}

func (t *Tester) TestDeleteGracefulWithValue(existing runtime.Object, expectedGrace int64, wasGracefulFn func() bool) {
	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(expectedGrace+2))
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}
	if !wasGracefulFn() {
		t.Errorf("did not gracefully delete resource")
	}
	object, err := t.storage.(rest.Getter).Get(ctx, objectMeta.Name)
	if err != nil {
		t.Errorf("unexpected error, object should exist: %v", err)
	}
	objectMeta, err = api.ObjectMetaFor(object)
	if err != nil {
		t.Fatalf("object does not have ObjectMeta: %v\n%#v", err, object)
	}
	if objectMeta.DeletionTimestamp == nil {
		t.Errorf("did not set deletion timestamp")
	}
	if objectMeta.DeletionGracePeriodSeconds == nil {
		t.Fatalf("did not set deletion grace period seconds")
	}
	if *objectMeta.DeletionGracePeriodSeconds != expectedGrace+2 {
		t.Errorf("actual grace period does not match expected: %d", *objectMeta.DeletionGracePeriodSeconds)
	}
}

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 discoverService(f *framework.Framework, name string, exists bool, podName string) {
	command := []string{"sh", "-c", fmt.Sprintf("until nslookup '%s'; do sleep 10; done", name)}
	By(fmt.Sprintf("Looking up %q", name))

	pod := &api.Pod{
		ObjectMeta: api.ObjectMeta{
			Name: podName,
		},
		Spec: api.PodSpec{
			Containers: []api.Container{
				{
					Name:    "federated-service-discovery-container",
					Image:   "gcr.io/google_containers/busybox:1.24",
					Command: command,
				},
			},
			RestartPolicy: api.RestartPolicyOnFailure,
		},
	}

	_, err := f.Client.Pods(f.Namespace.Name).Create(pod)
	framework.ExpectNoError(err, "Trying to create pod to run %q", command)
	defer func() { f.Client.Pods(f.Namespace.Name).Delete(podName, api.NewDeleteOptions(0)) }()

	if exists {
		// TODO(mml): Eventually check the IP address is correct, too.
		Eventually(podExitCodeDetector(f, podName, 0), 3*DNSTTL, time.Second*2).
			Should(BeNil(), "%q should exit 0, but it never did", command)
	} else {
		Consistently(podExitCodeDetector(f, podName, 0), 3*DNSTTL, time.Second*2).
			ShouldNot(BeNil(), "%q should never exit 0, but it did", command)
	}
}

// Debug creates and runs a debugging pod.
func (o *DebugOptions) Debug() error {
	pod, originalCommand := o.transformPodForDebug(o.Annotations)
	var commandString string
	switch {
	case len(originalCommand) > 0:
		commandString = strings.Join(originalCommand, " ")
	default:
		commandString = "<image entrypoint>"
	}

	if o.Print != nil {
		return o.Print(pod, o.Attach.Out)
	}

	glog.V(5).Infof("Creating pod: %#v", pod)
	fmt.Fprintf(o.Attach.Err, "Debugging with pod/%s, original command: %s\n", pod.Name, commandString)
	pod, err := o.createPod(pod)
	if err != nil {
		return err
	}

	// ensure the pod is cleaned up on shutdown
	o.Attach.InterruptParent = interrupt.New(
		func(os.Signal) { os.Exit(1) },
		func() {
			fmt.Fprintf(o.Attach.Err, "\nRemoving debug pod ...\n")
			if err := o.Attach.Client.Pods(pod.Namespace).Delete(pod.Name, kapi.NewDeleteOptions(0)); err != nil {
				fmt.Fprintf(o.Attach.Err, "error: unable to delete the debug pod %q: %v", pod.Name, err)
			}
		},
	)
	glog.V(5).Infof("Created attach arguments: %#v", o.Attach)
	return o.Attach.InterruptParent.Run(func() error {
		w, err := o.Attach.Client.Pods(pod.Namespace).Watch(SingleObject(pod.ObjectMeta))
		if err != nil {
			return err
		}
		fmt.Fprintf(o.Attach.Err, "Waiting for pod to start ...\n")
		switch _, err := Until(o.Timeout, w, PodContainerRunning(o.Attach.ContainerName)); {
		// switch to logging output
		case err == ErrPodCompleted, !o.Attach.Stdin:
			_, err := kcmd.LogsOptions{
				Object: pod,
				Options: &kapi.PodLogOptions{
					Container: o.Attach.ContainerName,
					Follow:    true,
				},
				Out: o.Attach.Out,

				LogsForObject: o.LogsForObject,
			}.RunLogs()
			return err
		case err != nil:
			return err
		default:
			// TODO: attach can race with pod completion, allow attach to switch to logs
			return o.Attach.Run()
		}
	})
}

// hacked from GoogleCloudPlatform/kubernetes/plugin/pkg/scheduler/scheduler.go,
// with the Modeler stuff removed since we don't use it because we have mesos.
func (s *controller) scheduleOne() {
	pod := s.nextPod()

	// pods which are pre-scheduled (i.e. NodeName is set) are deleted by the kubelet
	// in upstream. Not so in Mesos because the kubelet hasn't see that pod yet. Hence,
	// the scheduler has to take care of this:
	if pod.Spec.NodeName != "" && pod.DeletionTimestamp != nil {
		log.V(3).Infof("deleting pre-scheduled, not yet running pod: %s/%s", pod.Namespace, pod.Name)
		s.client.Core().Pods(pod.Namespace).Delete(pod.Name, api.NewDeleteOptions(0))
		return
	}

	log.V(3).Infof("Attempting to schedule: %+v", pod)
	dest, err := s.algorithm.Schedule(pod)
	if err != nil {
		log.V(1).Infof("Failed to schedule: %+v", pod)
		s.recorder.Eventf(pod, api.EventTypeWarning, FailedScheduling, "Error scheduling: %v", err)
		s.error(pod, err)
		return
	}
	b := &api.Binding{
		ObjectMeta: api.ObjectMeta{Namespace: pod.Namespace, Name: pod.Name},
		Target: api.ObjectReference{
			Kind: "Node",
			Name: dest,
		},
	}
	if err := s.binder.Bind(b); err != nil {
		log.V(1).Infof("Failed to bind pod: %+v", err)
		s.recorder.Eventf(pod, api.EventTypeWarning, FailedScheduling, "Binding rejected: %v", err)
		s.error(pod, err)
		return
	}
	s.recorder.Eventf(pod, api.EventTypeNormal, Scheduled, "Successfully assigned %v to %v", pod.Name, dest)
}

func NewPodGC(kubeClient clientset.Interface, podInformer cache.SharedIndexInformer, terminatedPodThreshold int) *PodGCController {
	if kubeClient != nil && kubeClient.Core().GetRESTClient().GetRateLimiter() != nil {
		metrics.RegisterMetricAndTrackRateLimiterUsage("gc_controller", kubeClient.Core().GetRESTClient().GetRateLimiter())
	}
	gcc := &PodGCController{
		kubeClient:             kubeClient,
		terminatedPodThreshold: terminatedPodThreshold,
		deletePod: func(namespace, name string) error {
			return kubeClient.Core().Pods(namespace).Delete(name, api.NewDeleteOptions(0))
		},
	}

	gcc.podStore.Indexer = podInformer.GetIndexer()
	gcc.podController = podInformer.GetController()

	gcc.nodeStore.Store, gcc.nodeController = cache.NewInformer(
		&cache.ListWatch{
			ListFunc: func(options api.ListOptions) (runtime.Object, error) {
				return gcc.kubeClient.Core().Nodes().List(options)
			},
			WatchFunc: func(options api.ListOptions) (watch.Interface, error) {
				return gcc.kubeClient.Core().Nodes().Watch(options)
			},
		},
		&api.Node{},
		controller.NoResyncPeriodFunc(),
		cache.ResourceEventHandlerFuncs{},
	)

	return gcc
}

// WaitForPodCreationServiceAccounts ensures that the service account needed for pod creation exists
// and that the cache for the admission control that checks for pod tokens has caught up to allow
// pod creation.
func WaitForPodCreationServiceAccounts(client *kclient.Client, namespace string) error {
	if err := WaitForServiceAccounts(client, namespace, []string{bootstrappolicy.DefaultServiceAccountName}); err != nil {
		return err
	}

	testPod := &kapi.Pod{}
	testPod.GenerateName = "test"
	testPod.Spec.Containers = []kapi.Container{
		{
			Name:  "container",
			Image: "openshift/origin-pod:latest",
		},
	}

	return wait.PollImmediate(time.Second, PodCreationWaitTimeout, func() (bool, error) {
		pod, err := client.Pods(namespace).Create(testPod)
		if err != nil {
			glog.Warningf("Error attempting to create test pod: %v", err)
			return false, nil
		}
		err = client.Pods(namespace).Delete(pod.Name, kapi.NewDeleteOptions(0))
		if err != nil {
			return false, err
		}
		return true, nil
	})
}

func runDelete(namespace, name string, mapping *meta.RESTMapping, c resource.RESTClient, helper *resource.Helper, cascade bool, gracePeriod int, clientsetFunc func() (*internalclientset.Clientset, error)) error {
	if !cascade {
		if helper == nil {
			helper = resource.NewHelper(c, mapping)
		}
		return helper.Delete(namespace, name)
	}
	cs, err := clientsetFunc()
	if err != nil {
		return err
	}
	r, err := kubectl.ReaperFor(mapping.GroupVersionKind.GroupKind(), cs)
	if err != nil {
		if _, ok := err.(*kubectl.NoSuchReaperError); !ok {
			return err
		}
		return resource.NewHelper(c, mapping).Delete(namespace, name)
	}
	var options *api.DeleteOptions
	if gracePeriod >= 0 {
		options = api.NewDeleteOptions(int64(gracePeriod))
	}
	if err := r.Stop(namespace, name, 2*time.Minute, options); err != nil {
		return err
	}
	return nil
}

func validateDNSResults(f *framework.Framework, pod *api.Pod, fileNames []string) {

	By("submitting the pod to kubernetes")
	podClient := f.Client.Pods(f.Namespace.Name)
	defer func() {
		By("deleting the pod")
		defer GinkgoRecover()
		podClient.Delete(pod.Name, api.NewDeleteOptions(0))
	}()
	if _, err := podClient.Create(pod); err != nil {
		framework.Failf("Failed to create %s pod: %v", pod.Name, err)
	}

	framework.ExpectNoError(f.WaitForPodRunning(pod.Name))

	By("retrieving the pod")
	pod, err := podClient.Get(pod.Name)
	if err != nil {
		framework.Failf("Failed to get pod %s: %v", pod.Name, err)
	}
	// Try to find results for each expected name.
	By("looking for the results for each expected name from probiers")
	assertFilesExist(fileNames, "results", pod, f.Client)

	// TODO: probe from the host, too.

	framework.Logf("DNS probes using %s succeeded\n", pod.Name)
}

func (t *Tester) testDeleteNoGraceful(obj runtime.Object, setFn SetFunc, getFn GetFunc, isNotFoundFn IsErrorFunc) {
	ctx := t.TestContext()

	foo := copyOrDie(obj)
	t.setObjectMeta(foo, "foo1")
	if err := setFn(ctx, foo); err != nil {
		t.Errorf("unexpected error: %v", err)
	}
	objectMeta := t.getObjectMetaOrFail(foo)
	obj, err := t.storage.(rest.GracefulDeleter).Delete(ctx, objectMeta.Name, api.NewDeleteOptions(10))
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}
	if !t.returnDeletedObject {
		if status, ok := obj.(*unversioned.Status); !ok {
			t.Errorf("expected status of delete, got %v", status)
		} else if status.Status != unversioned.StatusSuccess {
			t.Errorf("expected success, got: %v", status.Status)
		}
	}

	_, err = getFn(ctx, foo)
	if err == nil || !isNotFoundFn(err) {
		t.Errorf("unexpected error: %v", err)
	}
}

func New(kubeClient clientset.Interface, resyncPeriod controller.ResyncPeriodFunc, threshold int) *GCController {
	if kubeClient != nil && kubeClient.Core().GetRESTClient().GetRateLimiter() != nil {
		metrics.RegisterMetricAndTrackRateLimiterUsage("gc_controller", kubeClient.Core().GetRESTClient().GetRateLimiter())
	}
	gcc := &GCController{
		kubeClient: kubeClient,
		threshold:  threshold,
		deletePod: func(namespace, name string) error {
			return kubeClient.Core().Pods(namespace).Delete(name, api.NewDeleteOptions(0))
		},
	}

	terminatedSelector := fields.ParseSelectorOrDie("status.phase!=" + string(api.PodPending) + ",status.phase!=" + string(api.PodRunning) + ",status.phase!=" + string(api.PodUnknown))

	gcc.podStore.Indexer, gcc.podStoreSyncer = framework.NewIndexerInformer(
		&cache.ListWatch{
			ListFunc: func(options api.ListOptions) (runtime.Object, error) {
				options.FieldSelector = terminatedSelector
				return gcc.kubeClient.Core().Pods(api.NamespaceAll).List(options)
			},
			WatchFunc: func(options api.ListOptions) (watch.Interface, error) {
				options.FieldSelector = terminatedSelector
				return gcc.kubeClient.Core().Pods(api.NamespaceAll).Watch(options)
			},
		},
		&api.Pod{},
		resyncPeriod(),
		framework.ResourceEventHandlerFuncs{},
		// We don't need to build a index for podStore here actually, but build one for consistency.
		// It will ensure that if people start making use of the podStore in more specific ways,
		// they'll get the benefits they expect. It will also reserve the name for future refactorings.
		cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc},
	)
	return gcc
}