Golang Pod.UID方法代码示例

func applyDefaults(pod *api.Pod, source string, isFile bool, nodeName string) error {
	if len(pod.UID) == 0 {
		hasher := md5.New()
		if isFile {
			fmt.Fprintf(hasher, "host:%s", nodeName)
			fmt.Fprintf(hasher, "file:%s", source)
		} else {
			fmt.Fprintf(hasher, "url:%s", source)
		}
		hash.DeepHashObject(hasher, pod)
		pod.UID = types.UID(hex.EncodeToString(hasher.Sum(nil)[0:]))
		glog.V(5).Infof("Generated UID %q pod %q from %s", pod.UID, pod.Name, source)
	}

	pod.Name = generatePodName(pod.Name, nodeName)
	glog.V(5).Infof("Generated Name %q for UID %q from URL %s", pod.Name, pod.UID, source)

	if pod.Namespace == "" {
		pod.Namespace = kubetypes.NamespaceDefault
	}
	glog.V(5).Infof("Using namespace %q for pod %q from %s", pod.Namespace, pod.Name, source)

	// Set the Host field to indicate this pod is scheduled on the current node.
	pod.Spec.NodeName = nodeName

	pod.ObjectMeta.SelfLink = getSelfLink(pod.Name, pod.Namespace)

	if pod.Annotations == nil {
		pod.Annotations = make(map[string]string)
	}
	// The generated UID is the hash of the file.
	pod.Annotations[kubetypes.ConfigHashAnnotationKey] = string(pod.UID)
	return nil
}

func newFakePodBuilder(uid types.UID, name string) *FakePodBuilder {
	pod := new(api.Pod)
	pod.UID = uid
	pod.Name = name

	return &FakePodBuilder{
		pod: pod,
	}
}

// ToAPIPod converts Pod to api.Pod. Note that if a field in api.Pod has no
// corresponding field in Pod, the field would not be populated.
func (p *Pod) ToAPIPod() *api.Pod {
	var pod api.Pod
	pod.UID = p.ID
	pod.Name = p.Name
	pod.Namespace = p.Namespace

	for _, c := range p.Containers {
		var container api.Container
		container.Name = c.Name
		container.Image = c.Image
		pod.Spec.Containers = append(pod.Spec.Containers, container)
	}
	return &pod
}

func getTestPod() *api.Pod {
	container := api.Container{
		Name: testContainerName,
	}
	pod := api.Pod{
		Spec: api.PodSpec{
			Containers:    []api.Container{container},
			RestartPolicy: api.RestartPolicyNever,
		},
	}
	pod.Name = "testPod"
	pod.UID = testPodUID
	return &pod
}

func getTestPod(probeType probeType, probeSpec api.Probe) api.Pod {
	container := api.Container{
		Name: containerName,
	}
	switch probeType {
	case readiness:
		container.ReadinessProbe = &probeSpec
	case liveness:
		container.LivenessProbe = &probeSpec
	}
	pod := api.Pod{
		Spec: api.PodSpec{
			Containers:    []api.Container{container},
			RestartPolicy: api.RestartPolicyNever,
		},
	}
	pod.UID = podUID
	return pod
}

func getTestPod(probeType probeType, probeSpec api.Probe) api.Pod {
	container := api.Container{
		Name: testContainerName,
	}

	// All tests rely on the fake exec prober.
	probeSpec.Handler = api.Handler{
		Exec: &api.ExecAction{},
	}

	// Apply test defaults, overwridden for test speed.
	defaults := map[string]int64{
		"TimeoutSeconds":   1,
		"PeriodSeconds":    1,
		"SuccessThreshold": 1,
		"FailureThreshold": 1,
	}
	for field, value := range defaults {
		f := reflect.ValueOf(&probeSpec).Elem().FieldByName(field)
		if f.Int() == 0 {
			f.SetInt(value)
		}
	}

	switch probeType {
	case readiness:
		container.ReadinessProbe = &probeSpec
	case liveness:
		container.LivenessProbe = &probeSpec
	}
	pod := api.Pod{
		Spec: api.PodSpec{
			Containers:    []api.Container{container},
			RestartPolicy: api.RestartPolicyNever,
		},
	}
	pod.Name = "testPod"
	pod.UID = testPodUID
	return pod
}

func TestSyncBatchNoDeadlock(t *testing.T) {
	client := &fake.Clientset{}
	m := newTestManager(client)
	pod := getTestPod()

	// Setup fake client.
	var ret api.Pod
	var err error
	client.AddReactor("*", "pods", func(action core.Action) (bool, runtime.Object, error) {
		switch action := action.(type) {
		case core.GetAction:
			assert.Equal(t, pod.Name, action.GetName(), "Unexpeted GetAction: %+v", action)
		case core.UpdateAction:
			assert.Equal(t, pod.Name, action.GetObject().(*api.Pod).Name, "Unexpeted UpdateAction: %+v", action)
		default:
			assert.Fail(t, "Unexpected Action: %+v", action)
		}
		return true, &ret, err
	})

	pod.Status.ContainerStatuses = []api.ContainerStatus{{State: api.ContainerState{Running: &api.ContainerStateRunning{}}}}

	getAction := core.GetActionImpl{ActionImpl: core.ActionImpl{Verb: "get", Resource: "pods"}}
	updateAction := core.UpdateActionImpl{ActionImpl: core.ActionImpl{Verb: "update", Resource: "pods", Subresource: "status"}}

	// Pod not found.
	ret = *pod
	err = errors.NewNotFound(api.Resource("pods"), pod.Name)
	m.SetPodStatus(pod, getRandomPodStatus())
	m.testSyncBatch()
	verifyActions(t, client, []core.Action{getAction})
	client.ClearActions()

	// Pod was recreated.
	ret.UID = "other_pod"
	err = nil
	m.SetPodStatus(pod, getRandomPodStatus())
	m.testSyncBatch()
	verifyActions(t, client, []core.Action{getAction})
	client.ClearActions()

	// Pod not deleted (success case).
	ret = *pod
	m.SetPodStatus(pod, getRandomPodStatus())
	m.testSyncBatch()
	verifyActions(t, client, []core.Action{getAction, updateAction})
	client.ClearActions()

	// Pod is terminated, but still running.
	pod.DeletionTimestamp = new(unversioned.Time)
	m.SetPodStatus(pod, getRandomPodStatus())
	m.testSyncBatch()
	verifyActions(t, client, []core.Action{getAction, updateAction})
	client.ClearActions()

	// Pod is terminated successfully.
	pod.Status.ContainerStatuses[0].State.Running = nil
	pod.Status.ContainerStatuses[0].State.Terminated = &api.ContainerStateTerminated{}
	m.SetPodStatus(pod, getRandomPodStatus())
	m.testSyncBatch()
	verifyActions(t, client, []core.Action{getAction, updateAction})
	client.ClearActions()

	// Error case.
	err = fmt.Errorf("intentional test error")
	m.SetPodStatus(pod, getRandomPodStatus())
	m.testSyncBatch()
	verifyActions(t, client, []core.Action{getAction})
	client.ClearActions()
}

func TestSyncBatchNoDeadlock(t *testing.T) {
	client := &testclient.Fake{}
	m := NewManager(client).(*manager)

	// Setup fake client.
	var ret api.Pod
	var err error
	client.AddReactor("*", "pods", func(action testclient.Action) (bool, runtime.Object, error) {
		return true, &ret, err
	})

	pod := new(api.Pod)
	*pod = *testPod
	pod.Status.ContainerStatuses = []api.ContainerStatus{{State: api.ContainerState{Running: &api.ContainerStateRunning{}}}}

	getAction := testclient.GetActionImpl{ActionImpl: testclient.ActionImpl{Verb: "get", Resource: "pods"}}
	updateAction := testclient.UpdateActionImpl{ActionImpl: testclient.ActionImpl{Verb: "update", Resource: "pods", Subresource: "status"}}

	// Pod not found.
	ret = *pod
	err = errors.NewNotFound("pods", pod.Name)
	m.SetPodStatus(pod, getRandomPodStatus())
	m.syncBatch()
	verifyActions(t, client, []testclient.Action{getAction})
	client.ClearActions()

	// Pod was recreated.
	ret.UID = "other_pod"
	err = nil
	m.SetPodStatus(pod, getRandomPodStatus())
	m.syncBatch()
	verifyActions(t, client, []testclient.Action{getAction})
	client.ClearActions()

	// Pod not deleted (success case).
	ret = *pod
	m.SetPodStatus(pod, getRandomPodStatus())
	m.syncBatch()
	verifyActions(t, client, []testclient.Action{getAction, updateAction})
	client.ClearActions()

	// Pod is terminated, but still running.
	pod.DeletionTimestamp = new(unversioned.Time)
	m.SetPodStatus(pod, getRandomPodStatus())
	m.syncBatch()
	verifyActions(t, client, []testclient.Action{getAction, updateAction})
	client.ClearActions()

	// Pod is terminated successfully.
	pod.Status.ContainerStatuses[0].State.Running = nil
	pod.Status.ContainerStatuses[0].State.Terminated = &api.ContainerStateTerminated{}
	m.SetPodStatus(pod, getRandomPodStatus())
	m.syncBatch()
	verifyActions(t, client, []testclient.Action{getAction, updateAction})
	client.ClearActions()

	// Error case.
	err = fmt.Errorf("intentional test error")
	m.SetPodStatus(pod, getRandomPodStatus())
	m.syncBatch()
	verifyActions(t, client, []testclient.Action{getAction})
	client.ClearActions()
}