// Run runs the specified KubeletExecutorServer. func (s *KubeletExecutorServer) Run(hks hyperkube.Interface, _ []string) error { // create shared channels kubeletFinished := make(chan struct{}) nodeInfos := make(chan executor.NodeInfo, 1) // create static pods directory staticPodsConfigPath := filepath.Join(s.RootDirectory, "static-pods") err := os.Mkdir(staticPodsConfigPath, 0750) if err != nil { return err } // we're expecting that either Mesos or the minion process will set this for us s.containerID = os.Getenv(envContainerID) if s.containerID == "" { log.Warningf("missing expected environment variable %q", envContainerID) } // create apiserver client var apiclient *clientset.Clientset clientConfig, err := kubeletapp.CreateAPIServerClientConfig(s.KubeletServer) if err == nil { apiclient, err = clientset.NewForConfig(clientConfig) } if err != nil { // required for k8sm since we need to send api.Binding information back to the apiserver return fmt.Errorf("cannot create API client: %v", err) } var ( pw = cache.NewListWatchFromClient(apiclient.CoreClient, "pods", api.NamespaceAll, fields.OneTermEqualSelector(client.PodHost, s.HostnameOverride), ) reg = executor.NewRegistry(apiclient) ) // start executor var executorDone <-chan struct{} executorDone, err = s.runExecutor(nodeInfos, kubeletFinished, staticPodsConfigPath, apiclient, reg) if err != nil { return err } // start kubelet, blocking return s.runKubelet(nodeInfos, kubeletFinished, staticPodsConfigPath, apiclient, pw, reg, executorDone) }
// Run runs the specified KubeletExecutorServer. func (s *KubeletExecutorServer) Run(hks hyperkube.Interface, _ []string) error { // create shared channels kubeletFinished := make(chan struct{}) nodeInfos := make(chan executor.NodeInfo, 1) // create static pods directory staticPodsConfigPath := filepath.Join(s.RootDirectory, "static-pods") err := os.Mkdir(staticPodsConfigPath, 0750) if err != nil { return err } // create apiserver client var apiclient *client.Client clientConfig, err := kubeletapp.CreateAPIServerClientConfig(s.KubeletServer) if err == nil { apiclient, err = client.New(clientConfig) } if err != nil { // required for k8sm since we need to send api.Binding information back to the apiserver return fmt.Errorf("cannot create API client: %v", err) } var ( pw = cache.NewListWatchFromClient(apiclient, "pods", api.NamespaceAll, fields.OneTermEqualSelector(client.PodHost, s.HostnameOverride), ) reg = executor.NewRegistry(apiclient) ) // start executor var executorDone <-chan struct{} executorDone, err = s.runExecutor(nodeInfos, kubeletFinished, staticPodsConfigPath, apiclient, reg) if err != nil { return err } // start kubelet, blocking return s.runKubelet(nodeInfos, kubeletFinished, staticPodsConfigPath, apiclient, pw, reg, executorDone) }