Ejemplo n.º 1
0
// NewEventsSource initializes a new events source and starts a
// goroutine to watch/fetch event updates.
func NewEventsSource(client *kubeclient.Client) EventsSource {
	// Buffered channel to send/receive events from
	eventsChan := make(chan eventsUpdate, 1024)
	errorChan := make(chan error)
	glog.V(4).Infof("Starting event source")
	go watchLoop(client.Events(kubeapi.NamespaceAll), eventsChan, errorChan)
	glog.V(4).Infof("Finished starting event source")
	return &eventsSourceImpl{client, eventsChan, errorChan}
}
Ejemplo n.º 2
0
func NewKubeEvents(client *kubeclient.Client, ec cache.EventsCache) api.Source {
	// Buffered channel to send/receive events from
	eventsChan := make(chan eventsUpdate, 1024)
	errorChan := make(chan error)
	es := &eventsSourceImpl{
		Client:        client,
		eventsChannel: eventsChan,
		errorChannel:  errorChan,
		ec:            ec,
	}
	go es.watchLoop(client.Events(kubeapi.NamespaceAll), eventsChan, errorChan)
	// TODO: Inject Namespace Store in here to get namespace IDs for events.
	return es
}
Ejemplo n.º 3
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func SetupEventSending(client *client.Client, hostname string) {
	glog.Infof("Sending events to api server.")
	record.StartRecording(client.Events(""),
		api.EventSource{
			Component: "kubelet",
			Host:      hostname,
		})
}
Ejemplo n.º 4
0
func verifyResult(c *client.Client, podName string, ns string) {
	allPods, err := c.Pods(api.NamespaceAll).List(labels.Everything(), fields.Everything())
	expectNoError(err)
	runningPods := 0
	notRunningPods := make([]api.Pod, 0)
	for _, pod := range allPods.Items {
		if pod.Status.Phase == api.PodRunning {
			runningPods += 1
		} else {
			notRunningPods = append(notRunningPods, pod)
		}
	}

	schedEvents, err := c.Events(ns).List(
		labels.Everything(),
		fields.Set{
			"involvedObject.kind":      "Pod",
			"involvedObject.name":      podName,
			"involvedObject.namespace": ns,
			"source":                   "scheduler",
			"reason":                   "failedScheduling",
		}.AsSelector())
	expectNoError(err)

	printed := false
	printOnce := func(msg string) string {
		if !printed {
			printed = true
			return msg
		} else {
			return ""
		}
	}

	Expect(len(notRunningPods)).To(Equal(1), printOnce(fmt.Sprintf("Pods found in the cluster: %#v", allPods)))
	Expect(schedEvents.Items).ToNot(BeEmpty(), printOnce(fmt.Sprintf("Pods found in the cluster: %#v", allPods)))
	Expect(notRunningPods[0].Name).To(Equal(podName), printOnce(fmt.Sprintf("Pods found in the cluster: %#v", allPods)))
}
Ejemplo n.º 5
0
		allPods, err := c.Pods(api.NamespaceAll).List(labels.Everything(), fields.Everything())
		expectNoError(err)
		runningPods := 0
		notRunningPods := make([]api.Pod, 0)
		for _, pod := range allPods.Items {
			if pod.Status.Phase == api.PodRunning {
				runningPods += 1
			} else {
				notRunningPods = append(notRunningPods, pod)
			}
		}

		schedEvents, err := c.Events(ns).List(
			labels.Everything(),
			fields.Set{
				"involvedObject.kind":      "Pod",
				"involvedObject.name":      "additional-pod",
				"involvedObject.namespace": ns,
				"source":                   "scheduler",
				"reason":                   "failedScheduling",
			}.AsSelector())
		expectNoError(err)

		Expect(runningPods).To(Equal(int(totalPodCapacity)))
		Expect(len(notRunningPods)).To(Equal(1))
		Expect(schedEvents.Items).ToNot(BeEmpty())
		Expect(notRunningPods[0].Name).To(Equal("additional-pod"))
	})
})
Ejemplo n.º 6
0
		Expect(len(pods.Items)).To(Equal(1))

		By("retrieving the pod")
		podWithUid, err := podClient.Get(pod.Name)
		if err != nil {
			Failf("Failed to get pod: %v", err)
		}
		fmt.Printf("%+v\n", podWithUid)

		// Check for scheduler event about the pod.
		By("checking for scheduler event about the pod")
		events, err := c.Events(api.NamespaceDefault).List(
			labels.Everything(),
			fields.Set{
				"involvedObject.kind":      "Pod",
				"involvedObject.uid":       string(podWithUid.UID),
				"involvedObject.namespace": api.NamespaceDefault,
				"source":                   "scheduler",
			}.AsSelector(),
		)
		if err != nil {
			Failf("Error while listing events: %v", err)
		}
		Expect(len(events.Items)).ToNot(BeZero(), "scheduler events from running pod")
		fmt.Println("Saw scheduler event for our pod.")

		// Check for kubelet event about the pod.
		By("checking for kubelet event about the pod")
		events, err = c.Events(api.NamespaceDefault).List(
			labels.Everything(),
			fields.Set{
Ejemplo n.º 7
0
// TestKubeletSendsEvent checks that kubelets and scheduler send events about pods scheduling and running.
func TestKubeletSendsEvent(c *client.Client) bool {
	provider := os.Getenv("KUBERNETES_PROVIDER")
	if len(provider) > 0 && provider != "gce" && provider != "gke" {
		glog.Infof("skipping TestKubeletSendsEvent on cloud provider %s", provider)
		return true
	}
	if provider == "" {
		glog.Info("KUBERNETES_PROVIDER is unset; assuming \"gce\"")
	}

	podClient := c.Pods(api.NamespaceDefault)

	pod := loadPodOrDie(assetPath("cmd", "e2e", "pod.json"))
	value := strconv.Itoa(time.Now().Nanosecond())
	pod.Labels["time"] = value

	_, err := podClient.Create(pod)
	if err != nil {
		glog.Errorf("Failed to create pod: %v", err)
		return false
	}
	defer podClient.Delete(pod.Name)
	waitForPodRunning(c, pod.Name)
	pods, err := podClient.List(labels.SelectorFromSet(labels.Set(map[string]string{"time": value})))
	if len(pods.Items) != 1 {
		glog.Errorf("Failed to find the correct pod")
		return false
	}

	podWithUid, err := podClient.Get(pod.Name)
	if err != nil {
		glog.Errorf("Failed to get pod: %v", err)
		return false
	}

	// Check for scheduler event about the pod.
	glog.Infof("%+v", podWithUid)
	events, err := c.Events(api.NamespaceDefault).List(
		labels.Everything(),
		labels.Set{
			"involvedObject.kind":      "Pod",
			"involvedObject.uid":       podWithUid.UID,
			"involvedObject.namespace": api.NamespaceDefault,
			"source":                   "scheduler",
		}.AsSelector(),
	)
	if err != nil {
		glog.Error("Error while listing events:", err)
		return false
	}
	if len(events.Items) == 0 {
		glog.Error("Didn't see any scheduler events even though pod was running.")
		return false
	}
	glog.Info("Saw scheduler event for our pod.")

	// Check for kubelet event about the pod.
	events, err = c.Events(api.NamespaceDefault).List(
		labels.Everything(),
		labels.Set{
			"involvedObject.uid":       podWithUid.UID,
			"involvedObject.kind":      "BoundPod",
			"involvedObject.namespace": api.NamespaceDefault,
			"source":                   "kubelet",
		}.AsSelector(),
	)
	if err != nil {
		glog.Error("Error while listing events:", err)
		return false
	}
	if len(events.Items) == 0 {
		glog.Error("Didn't see any kubelet events even though pod was running.")
		return false
	}
	glog.Info("Saw kubelet event for our pod.")
	return true
}
Ejemplo n.º 8
0
			name = "[Skipped] " + name
		}
		itArg := testArg
		It(name, func() {
			uuid := string(util.NewUUID())
			totalPods := itArg.podsPerMinion * minionCount
			nameStr := strconv.Itoa(totalPods) + "-" + uuid
			ns = "e2e-density" + nameStr
			RCName = "my-hostname-density" + nameStr

			// Create a listener for events
			events := make([](*api.Event), 0)
			_, controller := framework.NewInformer(
				&cache.ListWatch{
					ListFunc: func() (runtime.Object, error) {
						return c.Events(ns).List(labels.Everything(), fields.Everything())
					},
					WatchFunc: func(rv string) (watch.Interface, error) {
						return c.Events(ns).Watch(labels.Everything(), fields.Everything(), rv)
					},
				},
				&api.Event{},
				time.Second*10,
				framework.ResourceEventHandlerFuncs{
					AddFunc: func(obj interface{}) {
						events = append(events, obj.(*api.Event))
					},
				},
			)
			stop := make(chan struct{})
			go controller.Run(stop)
Ejemplo n.º 9
0
			config := RCConfig{Client: c,
				Image:                "gcr.io/google_containers/pause:go",
				Name:                 RCName,
				Namespace:            ns,
				PollInterval:         itArg.interval,
				PodStatusFile:        fileHndl,
				Replicas:             totalPods,
				MaxContainerFailures: &MaxContainerFailures,
			}

			// Create a listener for events.
			events := make([](*api.Event), 0)
			_, controller := framework.NewInformer(
				&cache.ListWatch{
					ListFunc: func() (runtime.Object, error) {
						return c.Events(ns).List(labels.Everything(), fields.Everything())
					},
					WatchFunc: func(rv string) (watch.Interface, error) {
						return c.Events(ns).Watch(labels.Everything(), fields.Everything(), rv)
					},
				},
				&api.Event{},
				0,
				framework.ResourceEventHandlerFuncs{
					AddFunc: func(obj interface{}) {
						events = append(events, obj.(*api.Event))
					},
				},
			)
			stop := make(chan struct{})
			go controller.Run(stop)
Ejemplo n.º 10
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func SetupEventSending(client *client.Client, hostname string) {
	glog.Infof("Sending events to api server.")
	record.StartRecording(client.Events(""))
}