Ejemplo n.º 1
0
func (s *KubeletExecutorServer) runExecutor(
	nodeInfos chan<- executor.NodeInfo,
	kubeletFinished <-chan struct{},
	staticPodsConfigPath string,
	apiclient *clientset.Clientset,
	registry executor.Registry,
) (<-chan struct{}, error) {
	staticPodFilters := podutil.Filters{
		// annotate the pod with BindingHostKey so that the scheduler will ignore the pod
		// once it appears in the pod registry. the stock kubelet sets the pod host in order
		// to accomplish the same; we do this because the k8sm scheduler works differently.
		podutil.Annotator(map[string]string{
			meta.BindingHostKey: s.HostnameOverride,
		}),
	}
	if s.containerID != "" {
		// tag all pod containers with the containerID so that they can be properly GC'd by Mesos
		staticPodFilters = append(staticPodFilters, podutil.Environment([]api.EnvVar{
			{Name: envContainerID, Value: s.containerID},
		}))
	}
	exec := executor.New(executor.Config{
		Registry:        registry,
		APIClient:       apiclient,
		Docker:          dockertools.ConnectToDockerOrDie(s.DockerEndpoint),
		SuicideTimeout:  s.SuicideTimeout,
		KubeletFinished: kubeletFinished,
		ExitFunc:        os.Exit,
		NodeInfos:       nodeInfos,
		Options: []executor.Option{
			executor.StaticPods(staticPodsConfigPath, staticPodFilters),
		},
	})

	// initialize driver and initialize the executor with it
	dconfig := bindings.DriverConfig{
		Executor:         exec,
		HostnameOverride: s.HostnameOverride,
		BindingAddress:   net.ParseIP(s.Address),
	}
	driver, err := bindings.NewMesosExecutorDriver(dconfig)
	if err != nil {
		return nil, fmt.Errorf("failed to create executor driver: %v", err)
	}
	log.V(2).Infof("Initialize executor driver...")
	exec.Init(driver)

	// start the driver
	go func() {
		if _, err := driver.Run(); err != nil {
			log.Fatalf("executor driver failed: %v", err)
		}
		log.Info("executor Run completed")
	}()

	return exec.Done(), nil
}
Ejemplo n.º 2
0
// initializeStaticPodsSource unzips the data slice into the static-pods directory
func (k *Executor) initializeStaticPodsSource(hostname string, data []byte) error {
	log.V(2).Infof("extracting static pods config to %s", k.staticPodsConfigPath)
	// annotate the pod with BindingHostKey so that the scheduler will ignore the pod
	// once it appears in the pod registry. the stock kubelet sets the pod host in order
	// to accomplish the same; we do this because the k8sm scheduler works differently.
	annotator := podutil.Annotator(map[string]string{
		meta.BindingHostKey: hostname,
	})
	return podutil.WriteToDir(annotator.Do(podutil.Gunzip(data)), k.staticPodsConfigPath)
}