Golang Clientset.Pods方法代码示例

func recreatePods(client *internalclientset.Clientset, namespace string, selector map[string]string) error {
	pods, err := client.Pods(namespace).List(api.ListOptions{
		FieldSelector: fields.Everything(),
		LabelSelector: labels.Set(selector).AsSelector(),
	})

	if err != nil {
		return err
	}

	// Restart pods
	for _, pod := range pods.Items {
		log.Printf("Restarting pod: %v/%v", pod.Namespace, pod.Name)

		// Delete each pod for get them restarted with changed spec.
		err := client.Pods(pod.Namespace).Delete(pod.Name, &api.DeleteOptions{
			Preconditions: &api.Preconditions{
				UID: &pod.UID,
			},
		})

		if err != nil {
			return err
		}
	}

	return nil
}

// GetPodLogs returns logs for particular pod and container. When container
// is null, logs for the first one are returned.
func GetPodLogs(client *client.Clientset, namespace, podID string, container string,
	logSelector *logs.LogViewSelector) (*logs.Logs, error) {
	pod, err := client.Pods(namespace).Get(podID)
	if err != nil {
		return nil, err
	}

	if len(container) == 0 {
		container = pod.Spec.Containers[0].Name
	}

	logOptions := &api.PodLogOptions{
		Container:  container,
		Follow:     false,
		Previous:   false,
		Timestamps: true,
	}

	rawLogs, err := getRawPodLogs(client, namespace, podID, logOptions)
	if err != nil {
		return nil, err
	}

	return ConstructLogs(podID, rawLogs, container, logSelector), nil
}

// GetPodContainers returns containers that a pod has.
func GetPodContainers(client *client.Clientset, namespace, podID string) (*PodContainerList, error) {
	pod, err := client.Pods(namespace).Get(podID)
	if err != nil {
		return nil, err
	}

	containers := &PodContainerList{Containers: make([]string, 0)}

	for _, container := range pod.Spec.Containers {
		containers.Containers = append(containers.Containers, container.Name)
	}

	return containers, nil
}

func RunBuildPodControllerTest(t testingT, osClient *client.Client, kClient *kclientset.Clientset) {
	ns := testutil.Namespace()
	waitTime := BuildPodControllerTestWait

	tests := []buildControllerPodTest{
		{
			Name: "running state test",
			States: []buildControllerPodState{
				{
					PodPhase:   kapi.PodRunning,
					BuildPhase: buildapi.BuildPhaseRunning,
				},
			},
		},
		{
			Name: "build succeeded",
			States: []buildControllerPodState{
				{
					PodPhase:   kapi.PodRunning,
					BuildPhase: buildapi.BuildPhaseRunning,
				},
				{
					PodPhase:   kapi.PodSucceeded,
					BuildPhase: buildapi.BuildPhaseComplete,
				},
			},
		},
		{
			Name: "build failed",
			States: []buildControllerPodState{
				{
					PodPhase:   kapi.PodRunning,
					BuildPhase: buildapi.BuildPhaseRunning,
				},
				{
					PodPhase:   kapi.PodFailed,
					BuildPhase: buildapi.BuildPhaseFailed,
				},
			},
		},
	}
	for _, test := range tests {
		// Setup communications channels
		podReadyChan := make(chan *kapi.Pod) // Will receive a value when a build pod is ready
		errChan := make(chan error)          // Will receive a value when an error occurs
		stateReached := int32(0)

		// Create a build
		b, err := osClient.Builds(ns).Create(mockBuild())
		if err != nil {
			t.Fatal(err)
		}

		// Watch build pod for transition to pending
		podWatch, err := kClient.Pods(ns).Watch(kapi.ListOptions{FieldSelector: fields.OneTermEqualSelector("metadata.name", buildapi.GetBuildPodName(b))})
		if err != nil {
			t.Fatal(err)
		}
		go func() {
			for e := range podWatch.ResultChan() {
				pod, ok := e.Object.(*kapi.Pod)
				if !ok {
					t.Fatalf("%s: unexpected object received: %#v\n", test.Name, e.Object)
				}
				if pod.Status.Phase == kapi.PodPending {
					podReadyChan <- pod
					break
				}
			}
		}()

		var pod *kapi.Pod
		select {
		case pod = <-podReadyChan:
			if pod.Status.Phase != kapi.PodPending {
				t.Errorf("Got wrong pod phase: %s", pod.Status.Phase)
				podWatch.Stop()
				continue
			}

		case <-time.After(BuildControllersWatchTimeout):
			t.Errorf("Timed out waiting for build pod to be ready")
			podWatch.Stop()
			continue
		}
		podWatch.Stop()

		for _, state := range test.States {
			if err := retry.RetryOnConflict(retry.DefaultRetry, func() error {
				// Update pod state and verify that corresponding build state happens accordingly
				pod, err := kClient.Pods(ns).Get(pod.Name)
				if err != nil {
					return err
				}
				if pod.Status.Phase == state.PodPhase {
					return fmt.Errorf("another client altered the pod phase to %s: %#v", state.PodPhase, pod)
				}
				pod.Status.Phase = state.PodPhase
				_, err = kClient.Pods(ns).UpdateStatus(pod)
				return err
//.........这里部分代码省略.........