コード例 #1
0
ファイル: client_example.go プロジェクト: CodeJuan/kubernetes
func getLogsWithFollow(c v1alpha.PublicAPIClient, p *v1alpha.Pod) {
	if len(p.Apps) == 0 {
		fmt.Printf("Pod %q has no apps\n", p.Id)
		return
	}

	logsResp, err := c.GetLogs(context.Background(), &v1alpha.GetLogsRequest{
		PodId:   p.Id,
		Follow:  true,
		AppName: p.Apps[0].Name,
	})
	if err != nil {
		fmt.Println(err)
		os.Exit(1)
	}

	for {
		logsRecvResp, err := logsResp.Recv()
		if err == io.EOF {
			return
		}

		if err != nil {
			fmt.Println(err)
			return
		}

		for _, l := range logsRecvResp.Lines {
			fmt.Println(l)
		}
	}
}
コード例 #2
0
ファイル: client_example.go プロジェクト: CodeJuan/kubernetes
func getLogsWithoutFollow(c v1alpha.PublicAPIClient, p *v1alpha.Pod) {
	if len(p.Apps) == 0 {
		fmt.Printf("Pod %q has no apps\n", p.Id)
		return
	}

	logsResp, err := c.GetLogs(context.Background(), &v1alpha.GetLogsRequest{
		PodId:     p.Id,
		Follow:    false,
		AppName:   p.Apps[0].Name,
		SinceTime: time.Now().Add(-time.Second * 5).Unix(),
		Lines:     10,
	})

	if err != nil {
		fmt.Println(err)
		os.Exit(1)
	}

	logsRecvResp, err := logsResp.Recv()

	if err == io.EOF {
		return
	}

	if err != nil {
		fmt.Println(err)
		return
	}

	for _, l := range logsRecvResp.Lines {
		fmt.Println(l)
	}
}
コード例 #3
0
func benchListPods(b *testing.B, c v1alpha.PublicAPIClient, detail bool) {
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		_, err := c.ListPods(context.Background(), &v1alpha.ListPodsRequest{Detail: detail})
		if err != nil {
			b.Error(err)
		}
	}
	b.StopTimer()
}
コード例 #4
0
func benchInspectPod(b *testing.B, c v1alpha.PublicAPIClient) {
	resp, err := c.ListPods(context.Background(), &v1alpha.ListPodsRequest{})
	if err != nil {
		b.Fatalf("Unexpected error: %v", err)
	}

	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		_, err := c.InspectPod(context.Background(), &v1alpha.InspectPodRequest{Id: resp.Pods[0].Id})
		if err != nil {
			b.Error(err)
		}
	}
	b.StopTimer()
}
コード例 #5
0
ファイル: handler.go プロジェクト: Clarifai/kubernetes
func newRktContainerHandler(name string, rktClient rktapi.PublicAPIClient, rktPath string, cgroupSubsystems *libcontainer.CgroupSubsystems, machineInfoFactory info.MachineInfoFactory, fsInfo fs.FsInfo, rootFs string, ignoreMetrics container.MetricSet) (container.ContainerHandler, error) {
	aliases := make([]string, 1)
	isPod := false

	apiPod := &rktapi.Pod{}

	parsed, err := parseName(name)
	if err != nil {
		return nil, fmt.Errorf("this should be impossible!, new handler failing, but factory allowed, name = %s", name)
	}

	//rktnetes uses containerID: rkt://fff40827-b994-4e3a-8f88-6427c2c8a5ac:nginx
	if parsed.Container == "" {
		isPod = true
		aliases = append(aliases, "rkt://"+parsed.Pod)
	} else {
		aliases = append(aliases, "rkt://"+parsed.Pod+":"+parsed.Container)
	}

	pid := os.Getpid()
	labels := make(map[string]string)
	resp, err := rktClient.InspectPod(context.Background(), &rktapi.InspectPodRequest{
		Id: parsed.Pod,
	})
	if err != nil {
		return nil, err
	} else {
		var annotations []*rktapi.KeyValue
		if parsed.Container == "" {
			pid = int(resp.Pod.Pid)
			apiPod = resp.Pod
			annotations = resp.Pod.Annotations
		} else {
			var ok bool
			if annotations, ok = findAnnotations(resp.Pod.Apps, parsed.Container); !ok {
				glog.Warningf("couldn't find application in Pod matching %v", parsed.Container)
			}
		}
		labels = createLabels(annotations)
	}

	cgroupPaths := common.MakeCgroupPaths(cgroupSubsystems.MountPoints, name)

	// Generate the equivalent cgroup manager for this container.
	cgroupManager := &cgroupfs.Manager{
		Cgroups: &configs.Cgroup{
			Name: name,
		},
		Paths: cgroupPaths,
	}

	hasNetwork := false
	if isPod {
		hasNetwork = true
	}

	rootfsStorageDir := getRootFs(rktPath, parsed)

	handler := &rktContainerHandler{
		name:               name,
		rktClient:          rktClient,
		cgroupSubsystems:   cgroupSubsystems,
		machineInfoFactory: machineInfoFactory,
		cgroupPaths:        cgroupPaths,
		cgroupManager:      cgroupManager,
		fsInfo:             fsInfo,
		hasNetwork:         hasNetwork,
		rootFs:             rootFs,
		isPod:              isPod,
		aliases:            aliases,
		pid:                pid,
		labels:             labels,
		rootfsStorageDir:   rootfsStorageDir,
		ignoreMetrics:      ignoreMetrics,
		apiPod:             apiPod,
	}

	if !ignoreMetrics.Has(container.DiskUsageMetrics) {
		handler.fsHandler = common.NewFsHandler(time.Minute, rootfsStorageDir, "", fsInfo)
	}

	return handler, nil
}