Ejemplo n.º 1
0
func makePodSourceConfig(kc *QingletConfig) *config.PodConfig {
	// source of all configuration
	cfg := config.NewPodConfig(config.PodConfigNotificationSnapshotAndUpdates, kc.Recorder)

	// define file config source
	if kc.ConfigFile != "" {
		glog.Infof("Adding manifest file: %v", kc.ConfigFile)
		config.NewSourceFile(kc.ConfigFile, kc.NodeName, kc.FileCheckFrequency, cfg.Channel(qinglet.FileSource))
	}

	// define url config source
	if kc.ManifestURL != "" {
		glog.Infof("Adding manifest url: %v", kc.ManifestURL)
		config.NewSourceURL(kc.ManifestURL, kc.NodeName, kc.HTTPCheckFrequency, cfg.Channel(qinglet.HTTPSource))
	}
	if kc.QingClient != nil {
		glog.Infof("Watching apiserver")
		config.NewSourceApiserver(kc.QingClient, kc.NodeName, cfg.Channel(qinglet.ApiserverSource))
	}
	return cfg
}
Ejemplo n.º 2
0
func (ks *QingletExecutorServer) createAndInitQinglet(
	kc *app.QingletConfig,
	hks hyperqing.Interface,
	clientConfig *client.Config,
	shutdownCloser io.Closer,
) (app.QingletBootstrap, *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): QingletConfig.QingClient should be a client interface, but client interface misses certain methods
	// used by qinglet. Since NewMainQinglet 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 qingClient client.Interface
	if kc.QingClient == nil {
		qingClient = nil
	} else {
		qingClient = kc.QingClient
	}

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

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

	klet, err := qinglet.NewMainQinglet(
		kc.Hostname,
		kc.NodeName,
		kc.DockerClient,
		qingClient,
		kc.RootDirectory,
		kc.PodInfraContainerImage,
		kc.SyncFrequency,
		float32(kc.RegistryPullQPS),
		kc.RegistryBurst,
		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.Mounter,
		kc.DockerDaemonContainer,
		kc.SystemContainer,
		kc.ConfigureCBR0,
		kc.PodCIDR,
		kc.MaxPods,
		kc.DockerExecHandler,
	)
	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
	qingletFinished := make(chan struct{})
	staticPodsConfigPath := filepath.Join(kc.RootDirectory, "static-pods")
	exec := executor.New(executor.Config{
		Qinglet:         klet,
		Updates:         updates,
		SourceName:      MESOS_CFG_SOURCE,
		APIClient:       kc.QingClient,
		Docker:          kc.DockerClient,
		SuicideTimeout:  ks.SuicideTimeout,
		QingletFinished: qingletFinished,
		ShutdownAlert: func() {
			if shutdownCloser != nil {
				if e := shutdownCloser.Close(); e != nil {
					log.Warningf("failed to signal shutdown to external watcher: %v", e)
				}
			}
		},
		ExitFunc: os.Exit,
		PodStatusFunc: func(_ executor.QingletInterface, pod *api.Pod) (*api.PodStatus, error) {
			return klet.GetRuntime().GetPodStatus(pod)
		},
		StaticPodsConfigPath: staticPodsConfigPath,
	})

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

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

	k := &qingletExecutor{
		Qinglet:         klet,
		runProxy:        ks.RunProxy,
		proxyLogV:       ks.ProxyLogV,
		proxyExec:       ks.ProxyExec,
		proxyLogfile:    ks.ProxyLogfile,
		proxyBindall:    ks.ProxyBindall,
		address:         ks.Address,
		dockerClient:    kc.DockerClient,
		hks:             hks,
		qingletFinished: qingletFinished,
		executorDone:    exec.Done(),
		clientConfig:    clientConfig,
	}

	dconfig := bindings.DriverConfig{
		Executor:         exec,
		HostnameOverride: ks.HostnameOverride,
		BindingAddress:   net.IP(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
}