Golang util.Now函数代码示例

func tagReferenceToTagEvent(stream *api.ImageStream, tagRef api.TagReference, tagOrID string) (*api.TagEvent, error) {
	switch tagRef.From.Kind {
	case "DockerImage":
		return &api.TagEvent{
			Created:              util.Now(),
			DockerImageReference: tagRef.From.Name,
		}, nil

	case "ImageStreamImage":
		ref, err := api.DockerImageReferenceForStream(stream)
		if err != nil {
			return nil, err
		}

		resolvedIDs := api.ResolveImageID(stream, tagOrID)
		switch len(resolvedIDs) {
		case 1:
			ref.ID = resolvedIDs.List()[0]
			return &api.TagEvent{
				Created:              util.Now(),
				DockerImageReference: ref.String(),
				Image:                ref.ID,
			}, nil
		case 0:
			return nil, fmt.Errorf("no images match the prefix %q", tagOrID)
		default:
			return nil, fmt.Errorf("multiple images match the prefix %q: %s", tagOrID, strings.Join(resolvedIDs.List(), ", "))
		}
	case "ImageStreamTag":
		return api.LatestTaggedImage(stream, tagOrID), nil
	default:
		return nil, fmt.Errorf("invalid from.kind %q: it must be ImageStreamImage or ImageStreamTag", tagRef.From.Kind)
	}
}

func newCondition() experimental.JobCondition {
	return experimental.JobCondition{
		Type:               experimental.JobComplete,
		Status:             api.ConditionTrue,
		LastProbeTime:      util.Now(),
		LastTransitionTime: util.Now(),
	}
}

// HandlePod updates the state of the build based on the pod state
func (bc *BuildPodController) HandlePod(pod *kapi.Pod) error {
	obj, exists, err := bc.BuildStore.Get(buildKey(pod))
	if err != nil {
		glog.V(4).Infof("Error getting Build for pod %s/%s: %v", pod.Namespace, pod.Name, err)
		return err
	}
	if !exists || obj == nil {
		glog.V(5).Infof("No Build found for pod %s/%s", pod.Namespace, pod.Name)
		return nil
	}

	build := obj.(*buildapi.Build)

	nextStatus := build.Status.Phase
	switch pod.Status.Phase {
	case kapi.PodRunning:
		// The pod's still running
		nextStatus = buildapi.BuildPhaseRunning
	case kapi.PodSucceeded:
		// Check the exit codes of all the containers in the pod
		nextStatus = buildapi.BuildPhaseComplete
		if len(pod.Status.ContainerStatuses) == 0 {
			// no containers in the pod means something went badly wrong, so the build
			// should be failed.
			glog.V(2).Infof("Failing build %s/%s because the pod has no containers", build.Namespace, build.Name)
			nextStatus = buildapi.BuildPhaseFailed
		} else {
			for _, info := range pod.Status.ContainerStatuses {
				if info.State.Terminated != nil && info.State.Terminated.ExitCode != 0 {
					nextStatus = buildapi.BuildPhaseFailed
					break
				}
			}
		}
	case kapi.PodFailed:
		nextStatus = buildapi.BuildPhaseFailed
	}

	if build.Status.Phase != nextStatus {
		glog.V(4).Infof("Updating Build %s/%s status %s -> %s", build.Namespace, build.Name, build.Status.Phase, nextStatus)
		build.Status.Phase = nextStatus
		if buildutil.IsBuildComplete(build) {
			now := util.Now()
			build.Status.CompletionTimestamp = &now
		}
		if build.Status.Phase == buildapi.BuildPhaseRunning {
			now := util.Now()
			build.Status.StartTimestamp = &now
		}
		if err := bc.BuildUpdater.Update(build.Namespace, build); err != nil {
			return fmt.Errorf("failed to update Build %s/%s: %v", build.Namespace, build.Name, err)
		}
		glog.V(4).Infof("Build %s/%s status was updated %s -> %s", build.Namespace, build.Name, build.Status.Phase, nextStatus)
	}
	return nil
}

func NewEmptyPolicy(namespace string) *authorizationapi.Policy {
	policy := &authorizationapi.Policy{}
	policy.Name = authorizationapi.PolicyName
	policy.Namespace = namespace
	policy.CreationTimestamp = util.Now()
	policy.LastModified = util.Now()
	policy.Roles = make(map[string]*authorizationapi.Role)

	return policy
}

func NewEmptyPolicyBinding(namespace, policyNamespace, policyBindingName string) *authorizationapi.PolicyBinding {
	binding := &authorizationapi.PolicyBinding{}
	binding.Name = policyBindingName
	binding.Namespace = namespace
	binding.CreationTimestamp = util.Now()
	binding.LastModified = util.Now()
	binding.PolicyRef = kapi.ObjectReference{Name: authorizationapi.PolicyName, Namespace: policyNamespace}
	binding.RoleBindings = make(map[string]*authorizationapi.RoleBinding)

	return binding
}

func TestAddOrUpdateEventNoExisting(t *testing.T) {
	// Arrange
	eventTime := util.Now()
	event := api.Event{
		Reason:  "my reasons are many",
		Message: "my message is love",
		InvolvedObject: api.ObjectReference{
			Kind:       "Pod",
			Name:       "awesome.name",
			Namespace:  "betterNamespace",
			UID:        "C934D34AFB20242",
			APIVersion: "version",
		},
		Source: api.EventSource{
			Component: "kubelet",
			Host:      "kublet.node1",
		},
		Count:          1,
		FirstTimestamp: eventTime,
		LastTimestamp:  eventTime,
	}

	// Act
	result := addOrUpdateEvent(&event)

	// Assert
	compareEventWithHistoryEntry(&event, &result, t)
}

func TestGetEventExisting(t *testing.T) {
	// Arrange
	eventTime := util.Now()
	event := api.Event{
		Reason:  "do I exist",
		Message: "I do, oh my",
		InvolvedObject: api.ObjectReference{
			Kind:       "Pod",
			Name:       "clever.name.here",
			Namespace:  "spaceOfName",
			UID:        "D933D32AFB2A238",
			APIVersion: "version",
		},
		Source: api.EventSource{
			Component: "kubelet",
			Host:      "kublet.node4",
		},
		Count:          1,
		FirstTimestamp: eventTime,
		LastTimestamp:  eventTime,
	}
	addOrUpdateEvent(&event)

	// Act
	existingEvent := getEvent(&event)

	// Assert
	compareEventWithHistoryEntry(&event, &existingEvent, t)
}

// NewFilterBeforePredicate is a function that returns true if the build was created before the current time minus specified duration
func NewFilterBeforePredicate(d time.Duration) FilterPredicate {
	now := util.Now()
	before := util.NewTime(now.Time.Add(-1 * d))
	return func(item *kapi.ReplicationController) bool {
		return item.CreationTimestamp.Before(before)
	}
}

// TestSort verifies that builds are sorted by most recently created
func TestSort(t *testing.T) {
	present := util.Now()
	past := util.NewTime(present.Time.Add(-1 * time.Minute))
	controllers := []*kapi.ReplicationController{
		{
			ObjectMeta: kapi.ObjectMeta{
				Name:              "past",
				CreationTimestamp: past,
			},
		},
		{
			ObjectMeta: kapi.ObjectMeta{
				Name:              "present",
				CreationTimestamp: present,
			},
		},
	}
	sort.Sort(sortableReplicationControllers(controllers))
	if controllers[0].Name != "present" {
		t.Errorf("Unexpected sort order")
	}
	if controllers[1].Name != "past" {
		t.Errorf("Unexpected sort order")
	}
}

// NewFilterBeforePredicate is a function that returns true if the build was created before the current time minus specified duration
func NewFilterBeforePredicate(d time.Duration) FilterPredicate {
	now := util.Now()
	before := util.NewTime(now.Time.Add(-1 * d))
	return func(build *buildapi.Build) bool {
		return build.CreationTimestamp.Before(before)
	}
}

func TestFilterBeforePredicate(t *testing.T) {
	youngerThan := time.Hour
	now := util.Now()
	old := util.NewTime(now.Time.Add(-1 * youngerThan))
	builds := []*buildapi.Build{
		{
			ObjectMeta: kapi.ObjectMeta{
				Name:              "old",
				CreationTimestamp: old,
			},
		},
		{
			ObjectMeta: kapi.ObjectMeta{
				Name:              "new",
				CreationTimestamp: now,
			},
		},
	}
	filter := &andFilter{
		filterPredicates: []FilterPredicate{NewFilterBeforePredicate(youngerThan)},
	}
	result := filter.Filter(builds)
	if len(result) != 1 {
		t.Errorf("Unexpected number of results")
	}
	if expected, actual := "old", result[0].Name; expected != actual {
		t.Errorf("expected %v, actual %v", expected, actual)
	}
}

func TestDeleteNamespaceWithCompleteFinalizers(t *testing.T) {
	now := util.Now()
	fakeEtcdClient, etcdStorage := newEtcdStorage(t)
	fakeEtcdClient.ChangeIndex = 1
	key := etcdtest.AddPrefix("/namespaces/foo")
	fakeEtcdClient.Data[key] = tools.EtcdResponseWithError{
		R: &etcd.Response{
			Node: &etcd.Node{
				Value: runtime.EncodeOrDie(latest.Codec, &api.Namespace{
					ObjectMeta: api.ObjectMeta{
						Name:              "foo",
						DeletionTimestamp: &now,
					},
					Spec: api.NamespaceSpec{
						Finalizers: []api.FinalizerName{},
					},
					Status: api.NamespaceStatus{Phase: api.NamespaceActive},
				}),
				ModifiedIndex: 1,
				CreatedIndex:  1,
			},
		},
	}
	storage, _, _ := NewStorage(etcdStorage)
	_, err := storage.Delete(api.NewContext(), "foo", nil)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
}

func (m *VirtualStorage) Create(ctx kapi.Context, obj runtime.Object) (runtime.Object, error) {
	if err := rest.BeforeCreate(m.CreateStrategy, ctx, obj); err != nil {
		return nil, err
	}

	role := obj.(*authorizationapi.Role)

	policy, err := m.EnsurePolicy(ctx)
	if err != nil {
		return nil, err
	}
	if _, exists := policy.Roles[role.Name]; exists {
		return nil, kapierrors.NewAlreadyExists("Role", role.Name)
	}

	role.ResourceVersion = policy.ResourceVersion
	policy.Roles[role.Name] = role
	policy.LastModified = util.Now()

	if err := m.PolicyStorage.UpdatePolicy(ctx, policy); err != nil {
		return nil, err
	}

	return role, nil
}

// CancelBuild updates a build status to Cancelled, after its associated pod is deleted.
func (bc *BuildController) CancelBuild(build *buildapi.Build) error {
	if !isBuildCancellable(build) {
		glog.V(4).Infof("Build %s/%s can be cancelled only if it has pending/running status, not %s.", build.Namespace, build.Name, build.Status.Phase)
		return nil
	}

	glog.V(4).Infof("Cancelling Build %s/%s.", build.Namespace, build.Name)

	pod, err := bc.PodManager.GetPod(build.Namespace, buildutil.GetBuildPodName(build))
	if err != nil {
		if !errors.IsNotFound(err) {
			return fmt.Errorf("Failed to get Pod for build %s/%s: %v", build.Namespace, build.Name, err)
		}
	} else {
		err := bc.PodManager.DeletePod(build.Namespace, pod)
		if err != nil && !errors.IsNotFound(err) {
			return fmt.Errorf("Couldn't delete Build Pod %s/%s: %v", build.Namespace, pod.Name, err)
		}
	}

	build.Status.Phase = buildapi.BuildPhaseCancelled
	now := util.Now()
	build.Status.CompletionTimestamp = &now
	if err := bc.BuildUpdater.Update(build.Namespace, build); err != nil {
		return fmt.Errorf("Failed to update Build %s/%s: %v", build.Namespace, build.Name, err)
	}

	glog.V(4).Infof("Build %s/%s was successfully cancelled.", build.Namespace, build.Name)
	return nil
}

func TestLimitedLogAndRetryFinish(t *testing.T) {
	updater := &buildUpdater{}
	err := errors.New("funky error")

	now := kutil.Now()
	retry := controller.Retry{
		Count:          0,
		StartTimestamp: kutil.Date(now.Year(), now.Month(), now.Day(), now.Hour(), now.Minute()-31, now.Second(), now.Nanosecond(), now.Location()),
	}
	if limitedLogAndRetry(updater, 30*time.Minute)(&buildapi.Build{Status: buildapi.BuildStatus{Phase: buildapi.BuildPhaseNew}}, err, retry) {
		t.Error("Expected no more retries after reaching timeout!")
	}
	if updater.Build == nil {
		t.Fatal("BuildUpdater wasn't called!")
	}
	if updater.Build.Status.Phase != buildapi.BuildPhaseFailed {
		t.Errorf("Expected status %s, got %s!", buildapi.BuildPhaseFailed, updater.Build.Status.Phase)
	}
	if !strings.Contains(updater.Build.Status.Message, err.Error()) {
		t.Errorf("Expected message to contain %v, got %s!", err.Error(), updater.Build.Status.Message)
	}
	if updater.Build.Status.CompletionTimestamp == nil {
		t.Error("Expected CompletionTimestamp to be set!")
	}
}