Golang v1.NewDeleteOptions函數代碼示例

func NewPodGC(kubeClient clientset.Interface, podInformer cache.SharedIndexInformer, terminatedPodThreshold int) *PodGCController {
	if kubeClient != nil && kubeClient.Core().RESTClient().GetRateLimiter() != nil {
		metrics.RegisterMetricAndTrackRateLimiterUsage("gc_controller", kubeClient.Core().RESTClient().GetRateLimiter())
	}
	gcc := &PodGCController{
		kubeClient:             kubeClient,
		terminatedPodThreshold: terminatedPodThreshold,
		deletePod: func(namespace, name string) error {
			glog.Infof("PodGC is force deleting Pod: %v:%v", namespace, name)
			return kubeClient.Core().Pods(namespace).Delete(name, v1.NewDeleteOptions(0))
		},
	}

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

	gcc.nodeStore.Store, gcc.nodeController = cache.NewInformer(
		&cache.ListWatch{
			ListFunc: func(options v1.ListOptions) (runtime.Object, error) {
				return gcc.kubeClient.Core().Nodes().List(options)
			},
			WatchFunc: func(options v1.ListOptions) (watch.Interface, error) {
				return gcc.kubeClient.Core().Nodes().Watch(options)
			},
		},
		&v1.Node{},
		controller.NoResyncPeriodFunc(),
		cache.ResourceEventHandlerFuncs{},
	)

	return gcc
}

func validateTargetedProbeOutput(f *framework.Framework, pod *v1.Pod, fileNames []string, value string) {

	By("submitting the pod to kubernetes")
	podClient := f.ClientSet.Core().Pods(f.Namespace.Name)
	defer func() {
		By("deleting the pod")
		defer GinkgoRecover()
		podClient.Delete(pod.Name, v1.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 the expected value for each expected name.
	By("looking for the results for each expected name from probers")
	assertFilesContain(fileNames, "results", pod, f.ClientSet, true, value)

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

func deleteServiceOrFail(clientset *fedclientset.Clientset, namespace string, serviceName string) {
	if clientset == nil || len(namespace) == 0 || len(serviceName) == 0 {
		Fail(fmt.Sprintf("Internal error: invalid parameters passed to deleteServiceOrFail: clientset: %v, namespace: %v, service: %v", clientset, namespace, serviceName))
	}
	err := clientset.Services(namespace).Delete(serviceName, v1.NewDeleteOptions(0))
	framework.ExpectNoError(err, "Error deleting service %q from namespace %q", serviceName, namespace)
}

// TODO: quinton: This is largely a cut 'n paste of the above.  Yuck! Refactor as soon as we have a common interface implmented by both fedclientset.Clientset and kubeclientset.Clientset
func deleteClusterIngressOrFail(clusterName string, clientset *kubeclientset.Clientset, namespace string, ingressName string) {
	if clientset == nil || len(namespace) == 0 || len(ingressName) == 0 {
		Fail(fmt.Sprintf("Internal error: invalid parameters passed to deleteClusterIngressOrFail: cluster: %q, clientset: %v, namespace: %v, ingress: %v", clusterName, clientset, namespace, ingressName))
	}
	err := clientset.Ingresses(namespace).Delete(ingressName, v1.NewDeleteOptions(0))
	framework.ExpectNoError(err, "Error deleting cluster ingress %q/%q from cluster %q", namespace, ingressName, clusterName)
}

func runLivenessTest(f *framework.Framework, pod *v1.Pod, expectNumRestarts int, timeout time.Duration) {
	podClient := f.PodClient()
	ns := f.Namespace.Name
	Expect(pod.Spec.Containers).NotTo(BeEmpty())
	containerName := pod.Spec.Containers[0].Name
	// At the end of the test, clean up by removing the pod.
	defer func() {
		By("deleting the pod")
		podClient.Delete(pod.Name, v1.NewDeleteOptions(0))
	}()
	By(fmt.Sprintf("Creating pod %s in namespace %s", pod.Name, ns))
	podClient.Create(pod)

	// Wait until the pod is not pending. (Here we need to check for something other than
	// 'Pending' other than checking for 'Running', since when failures occur, we go to
	// 'Terminated' which can cause indefinite blocking.)
	framework.ExpectNoError(framework.WaitForPodNotPending(f.ClientSet, ns, pod.Name, pod.ResourceVersion),
		fmt.Sprintf("starting pod %s in namespace %s", pod.Name, ns))
	framework.Logf("Started pod %s in namespace %s", pod.Name, ns)

	// Check the pod's current state and verify that restartCount is present.
	By("checking the pod's current state and verifying that restartCount is present")
	pod, err := podClient.Get(pod.Name, metav1.GetOptions{})
	framework.ExpectNoError(err, fmt.Sprintf("getting pod %s in namespace %s", pod.Name, ns))
	initialRestartCount := v1.GetExistingContainerStatus(pod.Status.ContainerStatuses, containerName).RestartCount
	framework.Logf("Initial restart count of pod %s is %d", pod.Name, initialRestartCount)

	// Wait for the restart state to be as desired.
	deadline := time.Now().Add(timeout)
	lastRestartCount := initialRestartCount
	observedRestarts := int32(0)
	for start := time.Now(); time.Now().Before(deadline); time.Sleep(2 * time.Second) {
		pod, err = podClient.Get(pod.Name, metav1.GetOptions{})
		framework.ExpectNoError(err, fmt.Sprintf("getting pod %s", pod.Name))
		restartCount := v1.GetExistingContainerStatus(pod.Status.ContainerStatuses, containerName).RestartCount
		if restartCount != lastRestartCount {
			framework.Logf("Restart count of pod %s/%s is now %d (%v elapsed)",
				ns, pod.Name, restartCount, time.Since(start))
			if restartCount < lastRestartCount {
				framework.Failf("Restart count should increment monotonically: restart cont of pod %s/%s changed from %d to %d",
					ns, pod.Name, lastRestartCount, restartCount)
			}
		}
		observedRestarts = restartCount - initialRestartCount
		if expectNumRestarts > 0 && int(observedRestarts) >= expectNumRestarts {
			// Stop if we have observed more than expectNumRestarts restarts.
			break
		}
		lastRestartCount = restartCount
	}

	// If we expected 0 restarts, fail if observed any restart.
	// If we expected n restarts (n > 0), fail if we observed < n restarts.
	if (expectNumRestarts == 0 && observedRestarts > 0) || (expectNumRestarts > 0 &&
		int(observedRestarts) < expectNumRestarts) {
		framework.Failf("pod %s/%s - expected number of restarts: %d, found restarts: %d",
			ns, pod.Name, expectNumRestarts, observedRestarts)
	}
}

// syncPod syncs the given status with the API server. The caller must not hold the lock.
func (m *manager) syncPod(uid types.UID, status versionedPodStatus) {
	if !m.needsUpdate(uid, status) {
		glog.V(1).Infof("Status for pod %q is up-to-date; skipping", uid)
		return
	}

	// TODO: make me easier to express from client code
	pod, err := m.kubeClient.Core().Pods(status.podNamespace).Get(status.podName, metav1.GetOptions{})
	if errors.IsNotFound(err) {
		glog.V(3).Infof("Pod %q (%s) does not exist on the server", status.podName, uid)
		// If the Pod is deleted the status will be cleared in
		// RemoveOrphanedStatuses, so we just ignore the update here.
		return
	}
	if err == nil {
		translatedUID := m.podManager.TranslatePodUID(pod.UID)
		if len(translatedUID) > 0 && translatedUID != uid {
			glog.V(2).Infof("Pod %q was deleted and then recreated, skipping status update; old UID %q, new UID %q", format.Pod(pod), uid, translatedUID)
			m.deletePodStatus(uid)
			return
		}
		pod.Status = status.status
		if err := podutil.SetInitContainersStatusesAnnotations(pod); err != nil {
			glog.Error(err)
		}
		// TODO: handle conflict as a retry, make that easier too.
		pod, err = m.kubeClient.Core().Pods(pod.Namespace).UpdateStatus(pod)
		if err == nil {
			glog.V(3).Infof("Status for pod %q updated successfully: %+v", format.Pod(pod), status)
			m.apiStatusVersions[pod.UID] = status.version
			if kubepod.IsMirrorPod(pod) {
				// We don't handle graceful deletion of mirror pods.
				return
			}
			if pod.DeletionTimestamp == nil {
				return
			}
			if !notRunning(pod.Status.ContainerStatuses) {
				glog.V(3).Infof("Pod %q is terminated, but some containers are still running", format.Pod(pod))
				return
			}
			deleteOptions := v1.NewDeleteOptions(0)
			// Use the pod UID as the precondition for deletion to prevent deleting a newly created pod with the same name and namespace.
			deleteOptions.Preconditions = v1.NewUIDPreconditions(string(pod.UID))
			if err = m.kubeClient.Core().Pods(pod.Namespace).Delete(pod.Name, deleteOptions); err == nil {
				glog.V(3).Infof("Pod %q fully terminated and removed from etcd", format.Pod(pod))
				m.deletePodStatus(uid)
				return
			}
		}
	}

	// We failed to update status, wait for periodic sync to retry.
	glog.Warningf("Failed to update status for pod %q: %v", format.Pod(pod), err)
}

/*
deleteOneBackendPodOrFail deletes exactly one backend pod which must not be nil
The test fails if there are any errors.
*/
func deleteOneBackendPodOrFail(c *cluster) {
	pod := c.backendPod
	Expect(pod).ToNot(BeNil())
	err := c.Clientset.Core().Pods(pod.Namespace).Delete(pod.Name, v1.NewDeleteOptions(0))
	if errors.IsNotFound(err) {
		By(fmt.Sprintf("Pod %q in namespace %q in cluster %q does not exist.  No need to delete it.", pod.Name, pod.Namespace, c.name))
	} else {
		framework.ExpectNoError(err, "Deleting pod %q in namespace %q from cluster %q", pod.Name, pod.Namespace, c.name)
	}
	By(fmt.Sprintf("Backend pod %q in namespace %q in cluster %q deleted or does not exist", pod.Name, pod.Namespace, c.name))
}

func runPodAndGetNodeName(f *framework.Framework, conf pausePodConfig) string {
	// launch a pod to find a node which can launch a pod. We intentionally do
	// not just take the node list and choose the first of them. Depending on the
	// cluster and the scheduler it might be that a "normal" pod cannot be
	// scheduled onto it.
	pod := runPausePod(f, conf)

	By("Explicitly delete pod here to free the resource it takes.")
	err := f.ClientSet.Core().Pods(f.Namespace.Name).Delete(pod.Name, v1.NewDeleteOptions(0))
	framework.ExpectNoError(err)

	return pod.Spec.NodeName
}

func (mc *basicMirrorClient) DeleteMirrorPod(podFullName string) error {
	if mc.apiserverClient == nil {
		return nil
	}
	name, namespace, err := kubecontainer.ParsePodFullName(podFullName)
	if err != nil {
		glog.Errorf("Failed to parse a pod full name %q", podFullName)
		return err
	}
	glog.V(2).Infof("Deleting a mirror pod %q", podFullName)
	// TODO(random-liu): Delete the mirror pod with uid precondition in mirror pod manager
	if err := mc.apiserverClient.Core().Pods(namespace).Delete(name, v1.NewDeleteOptions(0)); err != nil && !errors.IsNotFound(err) {
		glog.Errorf("Failed deleting a mirror pod %q: %v", podFullName, err)
	}
	return nil
}

// deletePodsSync deletes a list of pods and block until pods disappear.
func deletePodsSync(f *framework.Framework, pods []*v1.Pod) {
	var wg sync.WaitGroup
	for _, pod := range pods {
		wg.Add(1)
		go func(pod *v1.Pod) {
			defer wg.Done()

			err := f.PodClient().Delete(pod.ObjectMeta.Name, v1.NewDeleteOptions(30))
			Expect(err).NotTo(HaveOccurred())

			Expect(framework.WaitForPodToDisappear(f.ClientSet, f.Namespace.Name, pod.ObjectMeta.Name, labels.Everything(),
				30*time.Second, 10*time.Minute)).NotTo(HaveOccurred())
		}(pod)
	}
	wg.Wait()
	return
}

func (config *NetworkingTestConfig) DeleteNetProxyPod() {
	pod := config.EndpointPods[0]
	config.getPodClient().Delete(pod.Name, v1.NewDeleteOptions(0))
	config.EndpointPods = config.EndpointPods[1:]
	// wait for pod being deleted.
	err := WaitForPodToDisappear(config.f.ClientSet, config.Namespace, pod.Name, labels.Everything(), time.Second, wait.ForeverTestTimeout)
	if err != nil {
		Failf("Failed to delete %s pod: %v", pod.Name, err)
	}
	// wait for endpoint being removed.
	err = WaitForServiceEndpointsNum(config.f.ClientSet, config.Namespace, nodePortServiceName, len(config.EndpointPods), time.Second, wait.ForeverTestTimeout)
	if err != nil {
		Failf("Failed to remove endpoint from service: %s", nodePortServiceName)
	}
	// wait for kube-proxy to catch up with the pod being deleted.
	time.Sleep(5 * time.Second)
}

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 := &v1.Pod{
		ObjectMeta: v1.ObjectMeta{
			Name: podName,
		},
		Spec: v1.PodSpec{
			Containers: []v1.Container{
				{
					Name:    "federated-service-discovery-container",
					Image:   "gcr.io/google_containers/busybox:1.24",
					Command: command,
				},
			},
			RestartPolicy: v1.RestartPolicyOnFailure,
		},
	}

	nsName := f.FederationNamespace.Name
	By(fmt.Sprintf("Creating pod %q in namespace %q", pod.Name, nsName))
	_, err := f.ClientSet.Core().Pods(nsName).Create(pod)
	framework.ExpectNoError(err, "Trying to create pod to run %q", command)
	By(fmt.Sprintf("Successfully created pod %q in namespace %q", pod.Name, nsName))
	defer func() {
		By(fmt.Sprintf("Deleting pod %q from namespace %q", podName, nsName))
		err := f.ClientSet.Core().Pods(nsName).Delete(podName, v1.NewDeleteOptions(0))
		framework.ExpectNoError(err, "Deleting pod %q from namespace %q", podName, nsName)
		By(fmt.Sprintf("Deleted pod %q from namespace %q", podName, nsName))
	}()

	if exists {
		// TODO(mml): Eventually check the IP address is correct, too.
		Eventually(podExitCodeDetector(f, podName, nsName, 0), 3*DNSTTL, time.Second*2).
			Should(BeNil(), "%q should exit 0, but it never did", command)
	} else {
		Eventually(podExitCodeDetector(f, podName, nsName, 0), 3*DNSTTL, time.Second*2).
			ShouldNot(BeNil(), "%q should eventually not exit 0, but it always did", command)
	}
}

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

	By("deleting pods from existing replication controller")
	framework.ExpectNoError(wait.Poll(time.Millisecond*500, time.Second*60, func() (bool, error) {
		options := v1.ListOptions{LabelSelector: rcSelector.String()}
		pods, err := podClient.List(options)
		if err != nil {
			framework.Logf("apiserver returned error, as expected before recovery: %v", err)
			return false, nil
		}
		if len(pods.Items) == 0 {
			return false, nil
		}
		for _, pod := range pods.Items {
			err = podClient.Delete(pod.Name, v1.NewDeleteOptions(0))
			Expect(err).NotTo(HaveOccurred())
		}
		framework.Logf("apiserver has recovered")
		return true, nil
	}))

	By("waiting for replication controller to recover")
	framework.ExpectNoError(wait.Poll(time.Millisecond*500, time.Second*60, func() (bool, error) {
		options := v1.ListOptions{LabelSelector: rcSelector.String()}
		pods, err := podClient.List(options)
		Expect(err).NotTo(HaveOccurred())
		for _, pod := range pods.Items {
			if pod.DeletionTimestamp == nil && v1.IsPodReady(&pod) {
				return true, nil
			}
		}
		return false, nil
	}))
}

func createGitServer(f *framework.Framework) (gitURL string, gitRepo string, cleanup func()) {
	var err error
	gitServerPodName := "git-server-" + string(uuid.NewUUID())
	containerPort := 8000

	labels := map[string]string{"name": gitServerPodName}

	gitServerPod := &v1.Pod{
		ObjectMeta: v1.ObjectMeta{
			Name:   gitServerPodName,
			Labels: labels,
		},
		Spec: v1.PodSpec{
			Containers: []v1.Container{
				{
					Name:            "git-repo",
					Image:           "gcr.io/google_containers/fakegitserver:0.1",
					ImagePullPolicy: "IfNotPresent",
					Ports: []v1.ContainerPort{
						{ContainerPort: int32(containerPort)},
					},
				},
			},
		},
	}
	f.PodClient().CreateSync(gitServerPod)

	// Portal IP and port
	httpPort := 2345

	gitServerSvc := &v1.Service{
		ObjectMeta: v1.ObjectMeta{
			Name: "git-server-svc",
		},
		Spec: v1.ServiceSpec{
			Selector: labels,
			Ports: []v1.ServicePort{
				{
					Name:       "http-portal",
					Port:       int32(httpPort),
					TargetPort: intstr.FromInt(containerPort),
				},
			},
		},
	}

	if gitServerSvc, err = f.ClientSet.Core().Services(f.Namespace.Name).Create(gitServerSvc); err != nil {
		framework.Failf("unable to create test git server service %s: %v", gitServerSvc.Name, err)
	}

	return "http://" + gitServerSvc.Spec.ClusterIP + ":" + strconv.Itoa(httpPort), "test", func() {
		By("Cleaning up the git server pod")
		if err := f.ClientSet.Core().Pods(f.Namespace.Name).Delete(gitServerPod.Name, v1.NewDeleteOptions(0)); err != nil {
			framework.Failf("unable to delete git server pod %v: %v", gitServerPod.Name, err)
		}
		By("Cleaning up the git server svc")
		if err := f.ClientSet.Core().Services(f.Namespace.Name).Delete(gitServerSvc.Name, nil); err != nil {
			framework.Failf("unable to delete git server svc %v: %v", gitServerSvc.Name, err)
		}
	}
}

		}
		pods, err = podClient.List(options)
		if err != nil {
			framework.Failf("Failed to query for pods: %v", err)
		}
		Expect(len(pods.Items)).To(Equal(1))

		By("verifying pod creation was observed")
		observeCreation(w)

		// We need to wait for the pod to be scheduled, otherwise the deletion
		// will be carried out immediately rather than gracefully.
		framework.ExpectNoError(f.WaitForPodRunning(pod.Name))

		By("deleting the pod gracefully")
		if err := podClient.Delete(pod.Name, v1.NewDeleteOptions(30)); err != nil {
			framework.Failf("Failed to delete pod: %v", err)
		}

		By("verifying pod deletion was observed")
		obj := observeObjectDeletion(w)
		lastPod := obj.(*v1.Pod)
		Expect(lastPod.DeletionTimestamp).ToNot(BeNil())
		Expect(lastPod.Spec.TerminationGracePeriodSeconds).ToNot(BeZero())

		options = v1.ListOptions{LabelSelector: selector}
		pods, err = podClient.List(options)
		if err != nil {
			framework.Failf("Failed to list pods to verify deletion: %v", err)
		}
		Expect(len(pods.Items)).To(Equal(0))