Esempio n. 1
0
func CreateAndInitKubelet(kubeCfg *componentconfig.KubeletConfiguration, kubeDeps *kubelet.KubeletDeps, standaloneMode bool) (k kubelet.KubeletBootstrap, err error) {
	// TODO: block until all sources have delivered at least one update to the channel, or break the sync loop
	// up into "per source" synchronizations

	k, err = kubelet.NewMainKubelet(kubeCfg, kubeDeps, standaloneMode)
	if err != nil {
		return nil, err
	}

	k.BirthCry()

	k.StartGarbageCollection()

	return k, nil
}
Esempio n. 2
0
func createAndInitKubelet(kc *KubeletConfig) (k KubeletBootstrap, pc *config.PodConfig, err error) {
	// TODO: block until all sources have delivered at least one update to the channel, or break the sync loop
	// up into "per source" synchronizations
	// TODO: KubeletConfig.KubeClient should be a client interface, but client interface misses certain methods
	// used by kubelet. Since NewMainKubelet expects a client interface, we need to make sure we are not passing
	// a nil pointer to it when what we really want is a nil interface.
	var kubeClient client.Interface
	if kc.KubeClient != nil {
		kubeClient = kc.KubeClient
	}

	gcPolicy := kubelet.ContainerGCPolicy{
		MinAge:             kc.MinimumGCAge,
		MaxPerPodContainer: kc.MaxPerPodContainerCount,
		MaxContainers:      kc.MaxContainerCount,
	}

	pc = makePodSourceConfig(kc)
	k, err = kubelet.NewMainKubelet(
		kc.Hostname,
		kc.NodeName,
		kc.DockerClient,
		kubeClient,
		kc.RootDirectory,
		kc.PodInfraContainerImage,
		kc.SyncFrequency,
		float32(kc.RegistryPullQPS),
		kc.RegistryBurst,
		kc.EventRecordQPS,
		kc.EventBurst,
		gcPolicy,
		pc.SeenAllSources,
		kc.RegisterNode,
		kc.StandaloneMode,
		kc.ClusterDomain,
		kc.ClusterDNS,
		kc.MasterServiceNamespace,
		kc.VolumePlugins,
		kc.NetworkPlugins,
		kc.NetworkPluginName,
		kc.StreamingConnectionIdleTimeout,
		kc.Recorder,
		kc.CadvisorInterface,
		kc.ImageGCPolicy,
		kc.DiskSpacePolicy,
		kc.Cloud,
		kc.NodeStatusUpdateFrequency,
		kc.ResourceContainer,
		kc.OSInterface,
		kc.CgroupRoot,
		kc.ContainerRuntime,
		kc.RktPath,
		kc.RktStage1Image,
		kc.Mounter,
		kc.DockerDaemonContainer,
		kc.SystemContainer,
		kc.ConfigureCBR0,
		kc.PodCIDR,
		kc.MaxPods,
		kc.DockerExecHandler,
		kc.ResolverConfig,
		kc.CPUCFSQuota)

	if err != nil {
		return nil, nil, err
	}

	k.BirthCry()

	k.StartGarbageCollection()

	return k, pc, nil
}
Esempio n. 3
0
func (ks *KubeletExecutorServer) createAndInitKubelet(
	kc *app.KubeletConfig,
	hks hyperkube.Interface,
	clientConfig *client.Config,
) (app.KubeletBootstrap, *kconfig.PodConfig, error) {

	// TODO(k8s): block until all sources have delivered at least one update to the channel, or break the sync loop
	// up into "per source" synchronizations
	// TODO(k8s): KubeletConfig.KubeClient should be a client interface, but client interface misses certain methods
	// used by kubelet. Since NewMainKubelet expects a client interface, we need to make sure we are not passing
	// a nil pointer to it when what we really want is a nil interface.
	var kubeClient client.Interface
	if kc.KubeClient == nil {
		kubeClient = nil
	} else {
		kubeClient = kc.KubeClient
	}

	gcPolicy := kubelet.ContainerGCPolicy{
		MinAge:             kc.MinimumGCAge,
		MaxPerPodContainer: kc.MaxPerPodContainerCount,
		MaxContainers:      kc.MaxContainerCount,
	}

	pc := kconfig.NewPodConfig(kconfig.PodConfigNotificationIncremental, kc.Recorder)
	updates := pc.Channel(MESOS_CFG_SOURCE)

	klet, err := kubelet.NewMainKubelet(
		kc.Hostname,
		kc.NodeName,
		kc.DockerClient,
		kubeClient,
		kc.RootDirectory,
		kc.PodInfraContainerImage,
		kc.SyncFrequency,
		float32(kc.RegistryPullQPS),
		kc.RegistryBurst,
		kc.EventRecordQPS,
		kc.EventBurst,
		gcPolicy,
		pc.SeenAllSources,
		kc.RegisterNode,
		kc.StandaloneMode,
		kc.ClusterDomain,
		net.IP(kc.ClusterDNS),
		kc.MasterServiceNamespace,
		kc.VolumePlugins,
		kc.NetworkPlugins,
		kc.NetworkPluginName,
		kc.StreamingConnectionIdleTimeout,
		kc.Recorder,
		kc.CAdvisorInterface,
		kc.ImageGCPolicy,
		kc.DiskSpacePolicy,
		kc.Cloud,
		kc.NodeStatusUpdateFrequency,
		kc.ResourceContainer,
		kc.OSInterface,
		kc.CgroupRoot,
		kc.ContainerRuntime,
		kc.RktPath,
		kc.RktStage1Image,
		kc.Mounter,
		kc.Writer,
		kc.DockerDaemonContainer,
		kc.SystemContainer,
		kc.ConfigureCBR0,
		kc.PodCIDR,
		kc.MaxPods,
		kc.DockerExecHandler,
		kc.ResolverConfig,
		kc.CPUCFSQuota,
		&api.NodeDaemonEndpoints{
			KubeletEndpoint: api.DaemonEndpoint{Port: int(kc.Port)},
		},
		kc.OOMAdjuster,
	)
	if err != nil {
		return nil, nil, err
	}

	//TODO(jdef) either configure Watch here with something useful, or else
	// get rid of it from executor.Config
	kubeletFinished := make(chan struct{})
	staticPodsConfigPath := filepath.Join(kc.RootDirectory, "static-pods")
	exec := executor.New(executor.Config{
		Kubelet:           klet,
		Updates:           updates,
		SourceName:        MESOS_CFG_SOURCE,
		APIClient:         kc.KubeClient,
		Docker:            kc.DockerClient,
		SuicideTimeout:    ks.SuicideTimeout,
		LaunchGracePeriod: ks.LaunchGracePeriod,
		KubeletFinished:   kubeletFinished,
		ExitFunc:          os.Exit,
		PodStatusFunc: func(_ executor.KubeletInterface, pod *api.Pod) (*api.PodStatus, error) {
			return klet.GetRuntime().GetPodStatus(pod)
		},
		StaticPodsConfigPath: staticPodsConfigPath,
		PodLW:                cache.NewListWatchFromClient(kc.KubeClient, "pods", api.NamespaceAll, fields.OneTermEqualSelector(client.PodHost, kc.NodeName)),
	})

	go exec.InitializeStaticPodsSource(func() {
		// Create file source only when we are called back. Otherwise, it is never marked unseen.
		fileSourceUpdates := pc.Channel(kubelet.FileSource)

		kconfig.NewSourceFile(staticPodsConfigPath, kc.Hostname, kc.FileCheckFrequency, fileSourceUpdates)
	})

	k := &kubeletExecutor{
		Kubelet:         klet,
		address:         ks.Address,
		dockerClient:    kc.DockerClient,
		hks:             hks,
		kubeletFinished: kubeletFinished,
		executorDone:    exec.Done(),
		clientConfig:    clientConfig,
	}

	dconfig := bindings.DriverConfig{
		Executor:         exec,
		HostnameOverride: ks.HostnameOverride,
		BindingAddress:   ks.Address,
	}
	if driver, err := bindings.NewMesosExecutorDriver(dconfig); err != nil {
		log.Fatalf("failed to create executor driver: %v", err)
	} else {
		k.driver = driver
	}

	log.V(2).Infof("Initialize executor driver...")

	k.BirthCry()
	exec.Init(k.driver)

	k.StartGarbageCollection()

	return k, pc, nil
}
Esempio n. 4
0
func CreateAndInitKubelet(kc *KubeletConfig) (k KubeletBootstrap, pc *config.PodConfig, err error) {
	// TODO: block until all sources have delivered at least one update to the channel, or break the sync loop
	// up into "per source" synchronizations
	// TODO: KubeletConfig.KubeClient should be a client interface, but client interface misses certain methods
	// used by kubelet. Since NewMainKubelet expects a client interface, we need to make sure we are not passing
	// a nil pointer to it when what we really want is a nil interface.
	var kubeClient clientset.Interface
	if kc.KubeClient != nil {
		kubeClient = kc.KubeClient
		// TODO: remove this when we've refactored kubelet to only use clientset.
	}

	gcPolicy := kubecontainer.ContainerGCPolicy{
		MinAge:             kc.MinimumGCAge,
		MaxPerPodContainer: kc.MaxPerPodContainerCount,
		MaxContainers:      kc.MaxContainerCount,
	}

	daemonEndpoints := &api.NodeDaemonEndpoints{
		KubeletEndpoint: api.DaemonEndpoint{Port: int32(kc.Port)},
	}

	pc = kc.PodConfig
	if pc == nil {
		pc = makePodSourceConfig(kc)
	}
	k, err = kubelet.NewMainKubelet(
		kc.Hostname,
		kc.NodeName,
		kc.DockerClient,
		kubeClient,
		kc.RootDirectory,
		kc.SeccompProfileRoot,
		kc.PodInfraContainerImage,
		kc.SyncFrequency,
		float32(kc.RegistryPullQPS),
		kc.RegistryBurst,
		kc.EventRecordQPS,
		kc.EventBurst,
		gcPolicy,
		pc.SeenAllSources,
		kc.RegisterNode,
		kc.RegisterSchedulable,
		kc.StandaloneMode,
		kc.ClusterDomain,
		kc.ClusterDNS,
		kc.MasterServiceNamespace,
		kc.VolumePlugins,
		kc.NetworkPlugins,
		kc.NetworkPluginName,
		kc.StreamingConnectionIdleTimeout,
		kc.Recorder,
		kc.CAdvisorInterface,
		kc.ImageGCPolicy,
		kc.DiskSpacePolicy,
		kc.Cloud,
		kc.AutoDetectCloudProvider,
		kc.NodeLabels,
		kc.NodeStatusUpdateFrequency,
		kc.OSInterface,
		kc.CgroupsPerQOS,
		kc.CgroupRoot,
		kc.ContainerRuntime,
		kc.RuntimeRequestTimeout,
		kc.RktPath,
		kc.RktAPIEndpoint,
		kc.RktStage1Image,
		kc.Mounter,
		kc.Writer,
		kc.ConfigureCBR0,
		kc.NonMasqueradeCIDR,
		kc.PodCIDR,
		kc.ReconcileCIDR,
		kc.MaxPods,
		kc.PodsPerCore,
		kc.NvidiaGPUs,
		kc.DockerExecHandler,
		kc.ResolverConfig,
		kc.CPUCFSQuota,
		daemonEndpoints,
		kc.OOMAdjuster,
		kc.SerializeImagePulls,
		kc.ContainerManager,
		kc.OutOfDiskTransitionFrequency,
		kc.ExperimentalFlannelOverlay,
		kc.NodeIP,
		kc.Reservation,
		kc.EnableCustomMetrics,
		kc.VolumeStatsAggPeriod,
		kc.ContainerRuntimeOptions,
		kc.HairpinMode,
		kc.BabysitDaemons,
		kc.EvictionConfig,
		kc.Options,
		kc.EnableControllerAttachDetach,
	)

	if err != nil {
		return nil, nil, err
	}

	k.BirthCry()

	k.StartGarbageCollection()

	return k, pc, nil
}