Exemple #1
0
func TestKubePodMetricsFull(t *testing.T) {
	nodeList := nodes.NodeList{
		Items: map[nodes.Host]nodes.Info{
			nodes.Host("test-machine-b"): {InternalIP: "10.10.10.1"},
			nodes.Host("test-machine-1"): {InternalIP: "10.10.10.0"},
		},
	}
	podList := []api.Pod{
		{
			PodMetadata: api.PodMetadata{
				Name: "blah",
			},
		},
		{
			PodMetadata: api.PodMetadata{
				Name: "blah1",
			},
		},
	}
	container := &api.Container{
		Name: "test",
	}
	nodesApi := &fakeNodesApi{nodeList}
	podsApi := &fakePodsApi{podList}
	kubeletApi := &fakeKubeletApi{container: container}
	source := NewKubePodMetrics(10250, kubeletApi, nodesApi, podsApi)
	data, err := source.GetInfo(time.Now(), time.Now().Add(time.Minute), time.Second)
	require.NoError(t, err)
	require.NotEmpty(t, data)
}
func TestWorkflowSuccess(t *testing.T) {
	type cadvisorData struct {
		subcontainers []*api.Container
		root          *api.Container
	}
	hostA := datasource.Host{IP: "1.1.1.1", Port: 8080, Resource: ""}
	hostB := datasource.Host{IP: "1.1.1.2", Port: 8080, Resource: ""}
	expectedData := map[datasource.Host]cadvisorData{
		hostA: {
			subcontainers: []*api.Container{{Name: "/a"}},
			root:          &api.Container{Name: "/"},
		},
		hostB: {
			subcontainers: []*api.Container{{Name: "/b"}},
			root:          &api.Container{Name: "/"},
		},
	}
	cadvisorApi := &fakeDataSource{
		f: func(host datasource.Host, start, end time.Time, resolution time.Duration) (subcontainers []*api.Container, root *api.Container, err error) {
			data, exists := expectedData[host]
			if !exists {
				return nil, nil, fmt.Errorf("unexpected host: %+v", host)
			}
			return data.subcontainers, data.root, nil
		},
	}
	nodeList := nodes.NodeList{
		Items: map[nodes.Host]nodes.Info{
			nodes.Host("a"): {InternalIP: "1.1.1.1"},
			nodes.Host("b"): {InternalIP: "1.1.1.2"},
		},
	}
	source := &cadvisorSource{
		nodesApi:     &fakeNodesApi{nodeList},
		cadvisorPort: 8080,
		cadvisorApi:  cadvisorApi,
	}
	data, err := source.GetInfo(time.Now(), time.Now().Add(time.Minute), time.Second, false)
	require.NoError(t, err)
	assert.Len(t, data.Containers, 2)
	assert.Len(t, data.Machine, 2)
	assert.Equal(t, data.Machine[0].Name, expectedData[hostA].root.Name)
	assert.Equal(t, data.Machine[1].Name, expectedData[hostB].root.Name)
	containerNames := []string{
		data.Containers[0].Name,
		data.Containers[1].Name,
	}
	assert.Contains(t, containerNames, expectedData[hostA].subcontainers[0].Name)
	assert.Contains(t, containerNames, expectedData[hostB].subcontainers[0].Name)
}
Exemple #3
0
// Returns a map of minion hostnames to the Pods running in them.
func (self *realPodsApi) List(nodeList *nodes.NodeList) ([]api.Pod, error) {
	pods, err := self.podLister.List(labels.Everything())
	if err != nil {
		return []api.Pod{}, err
	}
	glog.V(5).Infof("got pods from api server %+v", pods)
	selectedPods := []podNodePair{}
	// TODO(vishh): Avoid this loop by setting a node selector on the watcher.
	for i, pod := range pods {
		if nodeInfo, ok := nodeList.Items[nodes.Host(pod.Spec.NodeName)]; ok {
			nsObj, exists, err := self.namespaceStore.GetByKey(pod.Namespace)
			if err != nil {
				return []api.Pod{}, err
			}
			if !exists {
				glog.V(2).Infof("Ignoring pod %s with namespace %s since namespace object was not found", pod.Name, pod.Namespace)
				continue
			}
			ns, ok := nsObj.(*kapi.Namespace)
			if !ok {
				glog.V(2).Infof("Ignoring pod %s with namespace %s since casting to namespace object failed - %T, %v", pod.Name, pod.Namespace, ns, ns)
				continue
			}
			selectedPods = append(selectedPods, podNodePair{pods[i], &nodeInfo, ns})
		} else {
			glog.V(2).Infof("pod %q with host %q and hostip %q not found in nodeList", pod.Name, pod.Spec.NodeName, pod.Status.HostIP)
		}
	}
	glog.V(4).Infof("selected pods from api server %+v", selectedPods)

	return self.parseAllPods(selectedPods), nil
}
Exemple #4
0
func TestPodsParsing(t *testing.T) {
	podList := &kube_api.PodList{
		Items: []kube_api.Pod{
			{
				Status: kube_api.PodStatus{
					Phase:  kube_api.PodRunning,
					PodIP:  "1.2.3.4",
					HostIP: "10.10.10.0",
				},
				ObjectMeta: kube_api.ObjectMeta{
					Name:      "pod1",
					Namespace: "test",
					UID:       "x-y-z",
					Labels: map[string]string{
						"foo":  "bar",
						"name": "baz",
					},
				},
				Spec: kube_api.PodSpec{
					NodeName: "test-machine-a",
					Containers: []kube_api.Container{
						{Name: "test1", Image: "gcr.io/test1"},
						{Name: "test2", Image: "gcr.io/test2"},
					},
				},
			},
			{
				Status: kube_api.PodStatus{
					Phase:  kube_api.PodRunning,
					PodIP:  "1.2.3.5",
					HostIP: "10.10.10.1",
				},
				ObjectMeta: kube_api.ObjectMeta{
					Name:      "pod2",
					Namespace: "test",
					UID:       "x-y-a",
					Labels: map[string]string{
						"foo":  "bar",
						"name": "baz",
					},
				},
				Spec: kube_api.PodSpec{
					NodeName: "test-machine-b",
					Containers: []kube_api.Container{
						{Name: "test1", Image: "gcr.io/test1"},
						{Name: "test2", Image: "gcr.io/test2"},
					},
				},
			},
		},
	}
	handler := util.FakeHandler{
		StatusCode:   200,
		RequestBody:  "something",
		ResponseBody: body(podList),
		T:            t,
	}
	server := httptest.NewServer(&handler)
	defer server.Close()
	client := client.NewOrDie(&client.Config{Host: server.URL, Version: testapi.Default.Version()})
	podsApi := newPodsApi(client)
	nodeList := &nodes.NodeList{
		Items: map[nodes.Host]nodes.Info{
			nodes.Host("test-machine-b"): {PublicIP: "10.10.10.1"},
			nodes.Host("test-machine-1"): {PublicIP: "10.10.10.0"},
		},
	}
	pods, err := podsApi.List(nodeList)
	require.NoError(t, err)
	for i, pod := range pods {
		assert.Equal(t, pod.Name, podList.Items[i].Name)
		assert.Equal(t, pod.Namespace, podList.Items[i].Namespace)
		assert.Equal(t, pod.ID, podList.Items[i].UID)
		assert.Equal(t, pod.Hostname, podList.Items[i].Spec.NodeName)
		assert.Equal(t, pod.PodIP, podList.Items[i].Status.PodIP)
		assert.Equal(t, pod.Status, podList.Items[i].Status.Phase)
		assert.Equal(t, pod.Labels, podList.Items[i].Labels)
		for idx, container := range pod.Containers {
			assert.Equal(t, container.Name, podList.Items[i].Spec.Containers[idx].Name)
			assert.Equal(t, container.Image, podList.Items[i].Spec.Containers[idx].Image)
		}
	}
}