示例#1
0
func newCondition(conditionType batch.JobConditionType, reason, message string) batch.JobCondition {
	return batch.JobCondition{
		Type:               conditionType,
		Status:             api.ConditionTrue,
		LastProbeTime:      unversioned.Now(),
		LastTransitionTime: unversioned.Now(),
		Reason:             reason,
		Message:            message,
	}
}
func TestDoNotDeleteMirrorPods(t *testing.T) {
	staticPod := getTestPod()
	staticPod.Annotations = map[string]string{kubetypes.ConfigSourceAnnotationKey: "file"}
	mirrorPod := getTestPod()
	mirrorPod.UID = "mirror-12345678"
	mirrorPod.Annotations = map[string]string{
		kubetypes.ConfigSourceAnnotationKey: "api",
		kubetypes.ConfigMirrorAnnotationKey: "mirror",
	}
	// Set the deletion timestamp.
	mirrorPod.DeletionTimestamp = new(unversioned.Time)
	client := fake.NewSimpleClientset(mirrorPod)
	m := newTestManager(client)
	m.podManager.AddPod(staticPod)
	m.podManager.AddPod(mirrorPod)
	// Verify setup.
	assert.True(t, kubepod.IsStaticPod(staticPod), "SetUp error: staticPod")
	assert.True(t, kubepod.IsMirrorPod(mirrorPod), "SetUp error: mirrorPod")
	assert.Equal(t, m.podManager.TranslatePodUID(mirrorPod.UID), staticPod.UID)

	status := getRandomPodStatus()
	now := unversioned.Now()
	status.StartTime = &now
	m.SetPodStatus(staticPod, status)

	m.testSyncBatch()
	// Expect not to see an delete action.
	verifyActions(t, m.kubeClient, []core.Action{
		core.GetActionImpl{ActionImpl: core.ActionImpl{Verb: "get", Resource: unversioned.GroupVersionResource{Resource: "pods"}}},
		core.UpdateActionImpl{ActionImpl: core.ActionImpl{Verb: "update", Resource: unversioned.GroupVersionResource{Resource: "pods"}, Subresource: "status"}},
	})
}
示例#3
0
func TestNamespaceStatusStrategy(t *testing.T) {
	ctx := api.NewDefaultContext()
	if StatusStrategy.NamespaceScoped() {
		t.Errorf("Namespaces should not be namespace scoped")
	}
	if StatusStrategy.AllowCreateOnUpdate() {
		t.Errorf("Namespaces should not allow create on update")
	}
	now := unversioned.Now()
	oldNamespace := &api.Namespace{
		ObjectMeta: api.ObjectMeta{Name: "foo", ResourceVersion: "10", DeletionTimestamp: &now},
		Spec:       api.NamespaceSpec{Finalizers: []api.FinalizerName{"kubernetes"}},
		Status:     api.NamespaceStatus{Phase: api.NamespaceActive},
	}
	namespace := &api.Namespace{
		ObjectMeta: api.ObjectMeta{Name: "foo", ResourceVersion: "9", DeletionTimestamp: &now},
		Status:     api.NamespaceStatus{Phase: api.NamespaceTerminating},
	}
	StatusStrategy.PrepareForUpdate(namespace, oldNamespace)
	if namespace.Status.Phase != api.NamespaceTerminating {
		t.Errorf("Namespace status updates should allow change of phase: %v", namespace.Status.Phase)
	}
	if len(namespace.Spec.Finalizers) != 1 || namespace.Spec.Finalizers[0] != api.FinalizerKubernetes {
		t.Errorf("PrepareForUpdate should have preserved old finalizers")
	}
	errs := StatusStrategy.ValidateUpdate(ctx, namespace, oldNamespace)
	if len(errs) != 0 {
		t.Errorf("Unexpected error %v", errs)
	}
	if namespace.ResourceVersion != "9" {
		t.Errorf("Incoming resource version on update should not be mutated")
	}
}
func updateNetworkingCondition(node *api.Node, routeCreated bool) {
	_, networkingCondition := api.GetNodeCondition(&node.Status, api.NodeNetworkUnavailable)
	currentTime := unversioned.Now()
	if routeCreated {
		if networkingCondition != nil && networkingCondition.Status != api.ConditionFalse {
			networkingCondition.Status = api.ConditionFalse
			networkingCondition.Reason = "RouteCreated"
			networkingCondition.Message = "RouteController created a route"
			networkingCondition.LastTransitionTime = currentTime
		} else if networkingCondition == nil {
			node.Status.Conditions = append(node.Status.Conditions, api.NodeCondition{
				Type:               api.NodeNetworkUnavailable,
				Status:             api.ConditionFalse,
				Reason:             "RouteCreated",
				Message:            "RouteController created a route",
				LastTransitionTime: currentTime,
			})
		}
	} else {
		if networkingCondition != nil && networkingCondition.Status != api.ConditionTrue {
			networkingCondition.Status = api.ConditionTrue
			networkingCondition.Reason = "NoRouteCreated"
			networkingCondition.Message = "RouteController failed to create a route"
			networkingCondition.LastTransitionTime = currentTime
		} else if networkingCondition == nil {
			node.Status.Conditions = append(node.Status.Conditions, api.NodeCondition{
				Type:               api.NodeNetworkUnavailable,
				Status:             api.ConditionTrue,
				Reason:             "NoRouteCreated",
				Message:            "RouteController failed to create a route",
				LastTransitionTime: currentTime,
			})
		}
	}
}
示例#5
0
// BeforeDelete tests whether the object can be gracefully deleted. If graceful is set the object
// should be gracefully deleted, if gracefulPending is set the object has already been gracefully deleted
// (and the provided grace period is longer than the time to deletion), and an error is returned if the
// condition cannot be checked or the gracePeriodSeconds is invalid. The options argument may be updated with
// default values if graceful is true.
func BeforeDelete(strategy RESTDeleteStrategy, ctx api.Context, obj runtime.Object, options *api.DeleteOptions) (graceful, gracefulPending bool, err error) {
	objectMeta, gvk, kerr := objectMetaAndKind(strategy, obj)
	if kerr != nil {
		return false, false, kerr
	}
	// Checking the Preconditions here to fail early. They'll be enforced later on when we actually do the deletion, too.
	if options.Preconditions != nil && options.Preconditions.UID != nil && *options.Preconditions.UID != objectMeta.UID {
		return false, false, errors.NewConflict(unversioned.GroupResource{Group: gvk.Group, Resource: gvk.Kind}, objectMeta.Name, fmt.Errorf("the UID in the precondition (%s) does not match the UID in record (%s). The object might have been deleted and then recreated", *options.Preconditions.UID, objectMeta.UID))
	}
	gracefulStrategy, ok := strategy.(RESTGracefulDeleteStrategy)
	if !ok {
		return false, false, nil
	}
	// if the object is already being deleted
	if objectMeta.DeletionTimestamp != nil {
		// if we are already being deleted, we may only shorten the deletion grace period
		// this means the object was gracefully deleted previously but deletionGracePeriodSeconds was not set,
		// so we force deletion immediately
		if objectMeta.DeletionGracePeriodSeconds == nil {
			return false, false, nil
		}
		// only a shorter grace period may be provided by a user
		if options.GracePeriodSeconds != nil {
			period := int64(*options.GracePeriodSeconds)
			if period > *objectMeta.DeletionGracePeriodSeconds {
				return false, true, nil
			}
			now := unversioned.NewTime(unversioned.Now().Add(time.Second * time.Duration(*options.GracePeriodSeconds)))
			objectMeta.DeletionTimestamp = &now
			objectMeta.DeletionGracePeriodSeconds = &period
			options.GracePeriodSeconds = &period
			return true, false, nil
		}
		// graceful deletion is pending, do nothing
		options.GracePeriodSeconds = objectMeta.DeletionGracePeriodSeconds
		return false, true, nil
	}

	if !gracefulStrategy.CheckGracefulDelete(obj, options) {
		return false, false, nil
	}
	now := unversioned.NewTime(unversioned.Now().Add(time.Second * time.Duration(*options.GracePeriodSeconds)))
	objectMeta.DeletionTimestamp = &now
	objectMeta.DeletionGracePeriodSeconds = options.GracePeriodSeconds
	return true, false, nil
}
func TestStaticPodStatus(t *testing.T) {
	staticPod := getTestPod()
	staticPod.Annotations = map[string]string{kubetypes.ConfigSourceAnnotationKey: "file"}
	mirrorPod := getTestPod()
	mirrorPod.UID = "mirror-12345678"
	mirrorPod.Annotations = map[string]string{
		kubetypes.ConfigSourceAnnotationKey: "api",
		kubetypes.ConfigMirrorAnnotationKey: "mirror",
	}
	client := fake.NewSimpleClientset(mirrorPod)
	m := newTestManager(client)
	m.podManager.AddPod(staticPod)
	m.podManager.AddPod(mirrorPod)
	// Verify setup.
	assert.True(t, kubepod.IsStaticPod(staticPod), "SetUp error: staticPod")
	assert.True(t, kubepod.IsMirrorPod(mirrorPod), "SetUp error: mirrorPod")
	assert.Equal(t, m.podManager.TranslatePodUID(mirrorPod.UID), staticPod.UID)

	status := getRandomPodStatus()
	now := unversioned.Now()
	status.StartTime = &now

	m.SetPodStatus(staticPod, status)
	retrievedStatus := expectPodStatus(t, m, staticPod)
	normalizeStatus(staticPod, &status)
	assert.True(t, isStatusEqual(&status, &retrievedStatus), "Expected: %+v, Got: %+v", status, retrievedStatus)
	retrievedStatus, _ = m.GetPodStatus(mirrorPod.UID)
	assert.True(t, isStatusEqual(&status, &retrievedStatus), "Expected: %+v, Got: %+v", status, retrievedStatus)
	// Should translate mirrorPod / staticPod UID.
	m.testSyncBatch()
	verifyActions(t, m.kubeClient, []core.Action{
		core.GetActionImpl{ActionImpl: core.ActionImpl{Verb: "get", Resource: unversioned.GroupVersionResource{Resource: "pods"}}},
		core.UpdateActionImpl{ActionImpl: core.ActionImpl{Verb: "update", Resource: unversioned.GroupVersionResource{Resource: "pods"}, Subresource: "status"}},
	})
	updateAction := client.Actions()[1].(core.UpdateActionImpl)
	updatedPod := updateAction.Object.(*api.Pod)
	assert.Equal(t, mirrorPod.UID, updatedPod.UID, "Expected mirrorPod (%q), but got %q", mirrorPod.UID, updatedPod.UID)
	assert.True(t, isStatusEqual(&status, &updatedPod.Status), "Expected: %+v, Got: %+v", status, updatedPod.Status)
	client.ClearActions()

	// No changes.
	m.testSyncBatch()
	verifyActions(t, m.kubeClient, []core.Action{})

	// Mirror pod identity changes.
	m.podManager.DeletePod(mirrorPod)
	mirrorPod.UID = "new-mirror-pod"
	mirrorPod.Status = api.PodStatus{}
	m.podManager.AddPod(mirrorPod)

	// Expect no update to mirror pod, since UID has changed.
	m.testSyncBatch()
	verifyActions(t, m.kubeClient, []core.Action{
		core.GetActionImpl{ActionImpl: core.ActionImpl{Verb: "get", Resource: unversioned.GroupVersionResource{Resource: "pods"}}},
	})
}
示例#7
0
// pastActiveDeadline checks if job has ActiveDeadlineSeconds field set and if it is exceeded.
func pastActiveDeadline(job *batch.Job) bool {
	if job.Spec.ActiveDeadlineSeconds == nil || job.Status.StartTime == nil {
		return false
	}
	now := unversioned.Now()
	start := job.Status.StartTime.Time
	duration := now.Time.Sub(start)
	allowedDuration := time.Duration(*job.Spec.ActiveDeadlineSeconds) * time.Second
	return duration >= allowedDuration
}
示例#8
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// GetContainerLogs uses rkt's GetLogs API to get the logs of the container.
// By default, it returns a snapshot of the container log. Set |follow| to true to
// stream the log. Set |follow| to false and specify the number of lines (e.g.
// "100" or "all") to tail the log.
//
// TODO(yifan): This doesn't work with lkvm stage1 yet.
func (r *Runtime) GetContainerLogs(pod *api.Pod, containerID kubecontainer.ContainerID, logOptions *api.PodLogOptions, stdout, stderr io.Writer) error {
	id, err := parseContainerID(containerID)
	if err != nil {
		return err
	}

	var since int64
	if logOptions.SinceSeconds != nil {
		t := unversioned.Now().Add(-time.Duration(*logOptions.SinceSeconds) * time.Second)
		since = t.Unix()
	}
	if logOptions.SinceTime != nil {
		since = logOptions.SinceTime.Unix()
	}

	getLogsRequest := &rktapi.GetLogsRequest{
		PodId:     id.uuid,
		AppName:   id.appName,
		Follow:    logOptions.Follow,
		SinceTime: since,
	}

	if logOptions.TailLines != nil {
		getLogsRequest.Lines = int32(*logOptions.TailLines)
	}

	stream, err := r.apisvc.GetLogs(context.Background(), getLogsRequest)
	if err != nil {
		glog.Errorf("rkt: Failed to create log stream for pod %q: %v", format.Pod(pod), err)
		return err
	}

	for {
		log, err := stream.Recv()
		if err == io.EOF {
			break
		}
		if err != nil {
			glog.Errorf("rkt: Failed to receive log for pod %q: %v", format.Pod(pod), err)
			return err
		}
		processLines(log.Lines, logOptions, stdout, stderr)
	}

	return nil
}
func makeEvent(reason, message string, involvedObject api.ObjectReference) api.Event {
	eventTime := unversioned.Now()
	event := api.Event{
		Reason:         reason,
		Message:        message,
		InvolvedObject: involvedObject,
		Source: api.EventSource{
			Component: "kubelet",
			Host:      "kublet.node1",
		},
		Count:          1,
		FirstTimestamp: eventTime,
		LastTimestamp:  eventTime,
		Type:           api.EventTypeNormal,
	}
	return event
}
func TestChangedStatusKeepsStartTime(t *testing.T) {
	syncer := newTestManager(&fake.Clientset{})
	testPod := getTestPod()
	now := unversioned.Now()
	firstStatus := getRandomPodStatus()
	firstStatus.StartTime = &now
	syncer.SetPodStatus(testPod, firstStatus)
	syncer.SetPodStatus(testPod, getRandomPodStatus())
	verifyUpdates(t, syncer, 2)
	finalStatus := expectPodStatus(t, syncer, testPod)
	if finalStatus.StartTime.IsZero() {
		t.Errorf("StartTime should not be zero")
	}
	expected := now.Rfc3339Copy()
	if !finalStatus.StartTime.Equal(expected) {
		t.Errorf("Expected %v, but got %v", expected, finalStatus.StartTime)
	}
}
示例#11
0
func (t *Tester) testCreateResetsUserData(valid runtime.Object) {
	objectMeta := t.getObjectMetaOrFail(valid)
	now := unversioned.Now()
	objectMeta.UID = "bad-uid"
	objectMeta.CreationTimestamp = now

	obj, err := t.storage.(rest.Creater).Create(t.TestContext(), valid)
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}
	if obj == nil {
		t.Fatalf("Unexpected object from result: %#v", obj)
	}
	defer t.delete(t.TestContext(), obj)
	if objectMeta.UID == "bad-uid" || objectMeta.CreationTimestamp == now {
		t.Errorf("ObjectMeta did not reset basic fields: %#v", objectMeta)
	}
}
func TestNewStatusPreservesPodStartTime(t *testing.T) {
	syncer := newTestManager(&fake.Clientset{})
	pod := &api.Pod{
		ObjectMeta: api.ObjectMeta{
			UID:       "12345678",
			Name:      "foo",
			Namespace: "new",
		},
		Status: api.PodStatus{},
	}
	now := unversioned.Now()
	startTime := unversioned.NewTime(now.Time.Add(-1 * time.Minute))
	pod.Status.StartTime = &startTime
	syncer.SetPodStatus(pod, getRandomPodStatus())

	status := expectPodStatus(t, syncer, pod)
	if !status.StartTime.Time.Equal(startTime.Time) {
		t.Errorf("Unexpected start time, expected %v, actual %v", startTime, status.StartTime)
	}
}
func TestDeletePods(t *testing.T) {
	pod := getTestPod()
	// Set the deletion timestamp.
	pod.DeletionTimestamp = new(unversioned.Time)
	client := fake.NewSimpleClientset(pod)
	m := newTestManager(client)
	m.podManager.AddPod(pod)

	status := getRandomPodStatus()
	now := unversioned.Now()
	status.StartTime = &now
	m.SetPodStatus(pod, status)

	m.testSyncBatch()
	// Expect to see an delete action.
	verifyActions(t, m.kubeClient, []core.Action{
		core.GetActionImpl{ActionImpl: core.ActionImpl{Verb: "get", Resource: unversioned.GroupVersionResource{Resource: "pods"}}},
		core.UpdateActionImpl{ActionImpl: core.ActionImpl{Verb: "update", Resource: unversioned.GroupVersionResource{Resource: "pods"}, Subresource: "status"}},
		core.DeleteActionImpl{ActionImpl: core.ActionImpl{Verb: "delete", Resource: unversioned.GroupVersionResource{Resource: "pods"}}},
	})
}
示例#14
0
func TestDeleteNamespaceWithCompleteFinalizers(t *testing.T) {
	storage, server := newStorage(t)
	defer server.Terminate(t)
	key := etcdtest.AddPrefix("namespaces/foo")
	ctx := api.NewContext()
	now := unversioned.Now()
	namespace := &api.Namespace{
		ObjectMeta: api.ObjectMeta{
			Name:              "foo",
			DeletionTimestamp: &now,
		},
		Spec: api.NamespaceSpec{
			Finalizers: []api.FinalizerName{},
		},
		Status: api.NamespaceStatus{Phase: api.NamespaceActive},
	}
	if err := storage.Storage.Create(ctx, key, namespace, nil, 0); err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if _, err := storage.Delete(ctx, "foo", nil); err != nil {
		t.Errorf("unexpected error: %v", err)
	}
}
示例#15
0
// Delete enforces life-cycle rules for namespace termination
func (r *REST) Delete(ctx api.Context, name string, options *api.DeleteOptions) (runtime.Object, error) {
	nsObj, err := r.Get(ctx, name)
	if err != nil {
		return nil, err
	}

	namespace := nsObj.(*api.Namespace)

	// Ensure we have a UID precondition
	if options == nil {
		options = api.NewDeleteOptions(0)
	}
	if options.Preconditions == nil {
		options.Preconditions = &api.Preconditions{}
	}
	if options.Preconditions.UID == nil {
		options.Preconditions.UID = &namespace.UID
	} else if *options.Preconditions.UID != namespace.UID {
		err = apierrors.NewConflict(
			api.Resource("namespaces"),
			name,
			fmt.Errorf("Precondition failed: UID in precondition: %v, UID in object meta: %v", *options.Preconditions.UID, namespace.UID),
		)
		return nil, err
	}

	// upon first request to delete, we switch the phase to start namespace termination
	// TODO: enhance graceful deletion's calls to DeleteStrategy to allow phase change and finalizer patterns
	if namespace.DeletionTimestamp.IsZero() {
		key, err := r.Store.KeyFunc(ctx, name)
		if err != nil {
			return nil, err
		}

		preconditions := storage.Preconditions{UID: options.Preconditions.UID}

		out := r.Store.NewFunc()
		err = r.Store.Storage.GuaranteedUpdate(
			ctx, key, out, false, &preconditions,
			storage.SimpleUpdate(func(existing runtime.Object) (runtime.Object, error) {
				existingNamespace, ok := existing.(*api.Namespace)
				if !ok {
					// wrong type
					return nil, fmt.Errorf("expected *api.Namespace, got %v", existing)
				}
				// Set the deletion timestamp if needed
				if existingNamespace.DeletionTimestamp.IsZero() {
					now := unversioned.Now()
					existingNamespace.DeletionTimestamp = &now
				}
				// Set the namespace phase to terminating, if needed
				if existingNamespace.Status.Phase != api.NamespaceTerminating {
					existingNamespace.Status.Phase = api.NamespaceTerminating
				}
				return existingNamespace, nil
			}),
		)

		if err != nil {
			err = storageerr.InterpretGetError(err, api.Resource("namespaces"), name)
			err = storageerr.InterpretUpdateError(err, api.Resource("namespaces"), name)
			if _, ok := err.(*apierrors.StatusError); !ok {
				err = apierrors.NewInternalError(err)
			}
			return nil, err
		}

		return out, nil
	}

	// prior to final deletion, we must ensure that finalizers is empty
	if len(namespace.Spec.Finalizers) != 0 {
		err = apierrors.NewConflict(api.Resource("namespaces"), namespace.Name, fmt.Errorf("The system is ensuring all content is removed from this namespace.  Upon completion, this namespace will automatically be purged by the system."))
		return nil, err
	}
	return r.Store.Delete(ctx, name, options)
}
示例#16
0
// FillObjectMetaSystemFields populates fields that are managed by the system on ObjectMeta.
func FillObjectMetaSystemFields(ctx Context, meta *ObjectMeta) {
	meta.CreationTimestamp = unversioned.Now()
	meta.UID = util.NewUUID()
	meta.SelfLink = ""
}
func TestSortingActivePods(t *testing.T) {
	numPods := 9
	// This rc is not needed by the test, only the newPodList to give the pods labels/a namespace.
	rc := newReplicationController(0)
	podList := newPodList(nil, numPods, api.PodRunning, rc)

	pods := make([]*api.Pod, len(podList.Items))
	for i := range podList.Items {
		pods[i] = &podList.Items[i]
	}
	// pods[0] is not scheduled yet.
	pods[0].Spec.NodeName = ""
	pods[0].Status.Phase = api.PodPending
	// pods[1] is scheduled but pending.
	pods[1].Spec.NodeName = "bar"
	pods[1].Status.Phase = api.PodPending
	// pods[2] is unknown.
	pods[2].Spec.NodeName = "foo"
	pods[2].Status.Phase = api.PodUnknown
	// pods[3] is running but not ready.
	pods[3].Spec.NodeName = "foo"
	pods[3].Status.Phase = api.PodRunning
	// pods[4] is running and ready but without LastTransitionTime.
	now := unversioned.Now()
	pods[4].Spec.NodeName = "foo"
	pods[4].Status.Phase = api.PodRunning
	pods[4].Status.Conditions = []api.PodCondition{{Type: api.PodReady, Status: api.ConditionTrue}}
	pods[4].Status.ContainerStatuses = []api.ContainerStatus{{RestartCount: 3}, {RestartCount: 0}}
	// pods[5] is running and ready and with LastTransitionTime.
	pods[5].Spec.NodeName = "foo"
	pods[5].Status.Phase = api.PodRunning
	pods[5].Status.Conditions = []api.PodCondition{{Type: api.PodReady, Status: api.ConditionTrue, LastTransitionTime: now}}
	pods[5].Status.ContainerStatuses = []api.ContainerStatus{{RestartCount: 3}, {RestartCount: 0}}
	// pods[6] is running ready for a longer time than pods[5].
	then := unversioned.Time{Time: now.AddDate(0, -1, 0)}
	pods[6].Spec.NodeName = "foo"
	pods[6].Status.Phase = api.PodRunning
	pods[6].Status.Conditions = []api.PodCondition{{Type: api.PodReady, Status: api.ConditionTrue, LastTransitionTime: then}}
	pods[6].Status.ContainerStatuses = []api.ContainerStatus{{RestartCount: 3}, {RestartCount: 0}}
	// pods[7] has lower container restart count than pods[6].
	pods[7].Spec.NodeName = "foo"
	pods[7].Status.Phase = api.PodRunning
	pods[7].Status.Conditions = []api.PodCondition{{Type: api.PodReady, Status: api.ConditionTrue, LastTransitionTime: then}}
	pods[7].Status.ContainerStatuses = []api.ContainerStatus{{RestartCount: 2}, {RestartCount: 1}}
	pods[7].CreationTimestamp = now
	// pods[8] is older than pods[7].
	pods[8].Spec.NodeName = "foo"
	pods[8].Status.Phase = api.PodRunning
	pods[8].Status.Conditions = []api.PodCondition{{Type: api.PodReady, Status: api.ConditionTrue, LastTransitionTime: then}}
	pods[8].Status.ContainerStatuses = []api.ContainerStatus{{RestartCount: 2}, {RestartCount: 1}}
	pods[8].CreationTimestamp = then

	getOrder := func(pods []*api.Pod) []string {
		names := make([]string, len(pods))
		for i := range pods {
			names[i] = pods[i].Name
		}
		return names
	}

	expected := getOrder(pods)

	for i := 0; i < 20; i++ {
		idx := rand.Perm(numPods)
		randomizedPods := make([]*api.Pod, numPods)
		for j := 0; j < numPods; j++ {
			randomizedPods[j] = pods[idx[j]]
		}
		sort.Sort(ActivePods(randomizedPods))
		actual := getOrder(randomizedPods)

		if !reflect.DeepEqual(actual, expected) {
			t.Errorf("expected %v, got %v", expected, actual)
		}
	}
}
示例#18
0
// syncJob will sync the job with the given key if it has had its expectations fulfilled, meaning
// it did not expect to see any more of its pods created or deleted. This function is not meant to be invoked
// concurrently with the same key.
func (jm *JobController) syncJob(key string) error {
	startTime := time.Now()
	defer func() {
		glog.V(4).Infof("Finished syncing job %q (%v)", key, time.Now().Sub(startTime))
	}()

	if !jm.podStoreSynced() {
		// Sleep so we give the pod reflector goroutine a chance to run.
		time.Sleep(replicationcontroller.PodStoreSyncedPollPeriod)
		glog.V(4).Infof("Waiting for pods controller to sync, requeuing job %v", key)
		jm.queue.Add(key)
		return nil
	}

	obj, exists, err := jm.jobStore.Store.GetByKey(key)
	if !exists {
		glog.V(4).Infof("Job has been deleted: %v", key)
		jm.expectations.DeleteExpectations(key)
		return nil
	}
	if err != nil {
		glog.Errorf("Unable to retrieve job %v from store: %v", key, err)
		jm.queue.Add(key)
		return err
	}
	job := *obj.(*batch.Job)

	// Check the expectations of the job before counting active pods, otherwise a new pod can sneak in
	// and update the expectations after we've retrieved active pods from the store. If a new pod enters
	// the store after we've checked the expectation, the job sync is just deferred till the next relist.
	jobKey, err := controller.KeyFunc(&job)
	if err != nil {
		glog.Errorf("Couldn't get key for job %#v: %v", job, err)
		return err
	}
	jobNeedsSync := jm.expectations.SatisfiedExpectations(jobKey)
	selector, _ := unversioned.LabelSelectorAsSelector(job.Spec.Selector)
	podList, err := jm.podStore.Pods(job.Namespace).List(selector)
	if err != nil {
		glog.Errorf("Error getting pods for job %q: %v", key, err)
		jm.queue.Add(key)
		return err
	}

	activePods := controller.FilterActivePods(podList.Items)
	active := int32(len(activePods))
	succeeded, failed := getStatus(podList.Items)
	conditions := len(job.Status.Conditions)
	if job.Status.StartTime == nil {
		now := unversioned.Now()
		job.Status.StartTime = &now
	}
	// if job was finished previously, we don't want to redo the termination
	if isJobFinished(&job) {
		return nil
	}
	if pastActiveDeadline(&job) {
		// TODO: below code should be replaced with pod termination resulting in
		// pod failures, rather than killing pods. Unfortunately none such solution
		// exists ATM. There's an open discussion in the topic in
		// https://github.com/kubernetes/kubernetes/issues/14602 which might give
		// some sort of solution to above problem.
		// kill remaining active pods
		wait := sync.WaitGroup{}
		wait.Add(int(active))
		for i := int32(0); i < active; i++ {
			go func(ix int32) {
				defer wait.Done()
				if err := jm.podControl.DeletePod(job.Namespace, activePods[ix].Name, &job); err != nil {
					defer utilruntime.HandleError(err)
				}
			}(i)
		}
		wait.Wait()
		// update status values accordingly
		failed += active
		active = 0
		job.Status.Conditions = append(job.Status.Conditions, newCondition(batch.JobFailed, "DeadlineExceeded", "Job was active longer than specified deadline"))
		jm.recorder.Event(&job, api.EventTypeNormal, "DeadlineExceeded", "Job was active longer than specified deadline")
	} else {
		if jobNeedsSync {
			active = jm.manageJob(activePods, succeeded, &job)
		}
		completions := succeeded
		complete := false
		if job.Spec.Completions == nil {
			// This type of job is complete when any pod exits with success.
			// Each pod is capable of
			// determining whether or not the entire Job is done.  Subsequent pods are
			// not expected to fail, but if they do, the failure is ignored.  Once any
			// pod succeeds, the controller waits for remaining pods to finish, and
			// then the job is complete.
			if succeeded > 0 && active == 0 {
				complete = true
			}
		} else {
			// Job specifies a number of completions.  This type of job signals
			// success by having that number of successes.  Since we do not
			// start more pods than there are remaining completions, there should
			// not be any remaining active pods once this count is reached.
			if completions >= *job.Spec.Completions {
				complete = true
				if active > 0 {
					jm.recorder.Event(&job, api.EventTypeWarning, "TooManyActivePods", "Too many active pods running after completion count reached")
				}
				if completions > *job.Spec.Completions {
					jm.recorder.Event(&job, api.EventTypeWarning, "TooManySucceededPods", "Too many succeeded pods running after completion count reached")
				}
			}
		}
		if complete {
			job.Status.Conditions = append(job.Status.Conditions, newCondition(batch.JobComplete, "", ""))
			now := unversioned.Now()
			job.Status.CompletionTime = &now
		}
	}

	// no need to update the job if the status hasn't changed since last time
	if job.Status.Active != active || job.Status.Succeeded != succeeded || job.Status.Failed != failed || len(job.Status.Conditions) != conditions {
		job.Status.Active = active
		job.Status.Succeeded = succeeded
		job.Status.Failed = failed

		if err := jm.updateHandler(&job); err != nil {
			glog.Errorf("Failed to update job %v, requeuing.  Error: %v", job.Name, err)
			jm.enqueueController(&job)
		}
	}
	return nil
}
示例#19
0
// tryAcquireOrRenew tries to acquire a leader lease if it is not already acquired,
// else it tries to renew the lease if it has already been acquired. Returns true
// on success else returns false.
func (le *LeaderElector) tryAcquireOrRenew() bool {
	now := unversioned.Now()
	leaderElectionRecord := LeaderElectionRecord{
		HolderIdentity:       le.config.Identity,
		LeaseDurationSeconds: int(le.config.LeaseDuration / time.Second),
		RenewTime:            now,
		AcquireTime:          now,
	}

	e, err := le.config.Client.Endpoints(le.config.EndpointsMeta.Namespace).Get(le.config.EndpointsMeta.Name)
	if err != nil {
		if !errors.IsNotFound(err) {
			glog.Errorf("error retrieving endpoint: %v", err)
			return false
		}

		leaderElectionRecordBytes, err := json.Marshal(leaderElectionRecord)
		if err != nil {
			return false
		}
		_, err = le.config.Client.Endpoints(le.config.EndpointsMeta.Namespace).Create(&api.Endpoints{
			ObjectMeta: api.ObjectMeta{
				Name:      le.config.EndpointsMeta.Name,
				Namespace: le.config.EndpointsMeta.Namespace,
				Annotations: map[string]string{
					LeaderElectionRecordAnnotationKey: string(leaderElectionRecordBytes),
				},
			},
		})
		if err != nil {
			glog.Errorf("error initially creating endpoints: %v", err)
			return false
		}
		le.observedRecord = leaderElectionRecord
		le.observedTime = time.Now()
		return true
	}

	if e.Annotations == nil {
		e.Annotations = make(map[string]string)
	}

	var oldLeaderElectionRecord LeaderElectionRecord

	if oldLeaderElectionRecordBytes, found := e.Annotations[LeaderElectionRecordAnnotationKey]; found {
		if err := json.Unmarshal([]byte(oldLeaderElectionRecordBytes), &oldLeaderElectionRecord); err != nil {
			glog.Errorf("error unmarshaling leader election record: %v", err)
			return false
		}
		if !reflect.DeepEqual(le.observedRecord, oldLeaderElectionRecord) {
			le.observedRecord = oldLeaderElectionRecord
			le.observedTime = time.Now()
		}
		if le.observedTime.Add(le.config.LeaseDuration).After(now.Time) &&
			oldLeaderElectionRecord.HolderIdentity != le.config.Identity {
			glog.Infof("lock is held by %v and has not yet expired", oldLeaderElectionRecord.HolderIdentity)
			return false
		}
	}

	// We're going to try to update. The leaderElectionRecord is set to it's default
	// here. Let's correct it before updating.
	if oldLeaderElectionRecord.HolderIdentity == le.config.Identity {
		leaderElectionRecord.AcquireTime = oldLeaderElectionRecord.AcquireTime
	} else {
		leaderElectionRecord.LeaderTransitions = oldLeaderElectionRecord.LeaderTransitions + 1
	}

	leaderElectionRecordBytes, err := json.Marshal(leaderElectionRecord)
	if err != nil {
		glog.Errorf("err marshaling leader election record: %v", err)
		return false
	}
	e.Annotations[LeaderElectionRecordAnnotationKey] = string(leaderElectionRecordBytes)

	_, err = le.config.Client.Endpoints(le.config.EndpointsMeta.Namespace).Update(e)
	if err != nil {
		glog.Errorf("err: %v", err)
		return false
	}
	le.observedRecord = leaderElectionRecord
	le.observedTime = time.Now()
	return true
}
示例#20
0
func (recorder *recorderImpl) Event(object runtime.Object, eventtype, reason, message string) {
	recorder.generateEvent(object, unversioned.Now(), eventtype, reason, message)
}
示例#21
0
func TestDoProbe(t *testing.T) {
	m := newTestManager()

	// Test statuses.
	runningStatus := getTestRunningStatus()
	pendingStatus := getTestRunningStatus()
	pendingStatus.ContainerStatuses[0].State.Running = nil
	terminatedStatus := getTestRunningStatus()
	terminatedStatus.ContainerStatuses[0].State.Running = nil
	terminatedStatus.ContainerStatuses[0].State.Terminated = &api.ContainerStateTerminated{
		StartedAt: unversioned.Now(),
	}
	otherStatus := getTestRunningStatus()
	otherStatus.ContainerStatuses[0].Name = "otherContainer"
	failedStatus := getTestRunningStatus()
	failedStatus.Phase = api.PodFailed

	tests := []struct {
		probe          api.Probe
		podStatus      *api.PodStatus
		expectContinue bool
		expectSet      bool
		expectedResult results.Result
	}{
		{ // No status.
			expectContinue: true,
		},
		{ // Pod failed
			podStatus: &failedStatus,
		},
		{ // No container status
			podStatus:      &otherStatus,
			expectContinue: true,
		},
		{ // Container waiting
			podStatus:      &pendingStatus,
			expectContinue: true,
			expectSet:      true,
		},
		{ // Container terminated
			podStatus: &terminatedStatus,
			expectSet: true,
		},
		{ // Probe successful.
			podStatus:      &runningStatus,
			expectContinue: true,
			expectSet:      true,
			expectedResult: results.Success,
		},
		{ // Initial delay passed
			podStatus: &runningStatus,
			probe: api.Probe{
				InitialDelaySeconds: -100,
			},
			expectContinue: true,
			expectSet:      true,
			expectedResult: results.Success,
		},
	}

	for _, probeType := range [...]probeType{liveness, readiness} {
		for i, test := range tests {
			w := newTestWorker(m, probeType, test.probe)
			if test.podStatus != nil {
				m.statusManager.SetPodStatus(w.pod, *test.podStatus)
			}
			if c := w.doProbe(); c != test.expectContinue {
				t.Errorf("[%s-%d] Expected continue to be %v but got %v", probeType, i, test.expectContinue, c)
			}
			result, ok := resultsManager(m, probeType).Get(testContainerID)
			if ok != test.expectSet {
				t.Errorf("[%s-%d] Expected to have result: %v but got %v", probeType, i, test.expectSet, ok)
			}
			if result != test.expectedResult {
				t.Errorf("[%s-%d] Expected result: %v but got %v", probeType, i, test.expectedResult, result)
			}

			// Clean up.
			m.statusManager = status.NewManager(&fake.Clientset{}, kubepod.NewBasicPodManager(nil))
			resultsManager(m, probeType).Remove(testContainerID)
		}
	}
}