Golang clientcmd.BuildConfigFromKubeconfigGetter函数代码示例

// Run runs the CMServer.  This should never exit.
func Run(s *options.CMServer) error {
	glog.Infof("%+v", version.Get())
	if c, err := configz.New("componentconfig"); err == nil {
		c.Set(s.ControllerManagerConfiguration)
	} else {
		glog.Errorf("unable to register configz: %s", err)
	}
	// Create the config to talk to federation-apiserver.
	kubeconfigGetter := util.KubeconfigGetterForSecret(KubeconfigSecretName)
	restClientCfg, err := clientcmd.BuildConfigFromKubeconfigGetter(s.Master, kubeconfigGetter)
	if err != nil || restClientCfg == nil {
		// Retry with the deprecated name in 1.4.
		// TODO(madhusudancs): Remove this in 1.5.
		var depErr error
		kubeconfigGetter := util.KubeconfigGetterForSecret(DeprecatedKubeconfigSecretName)
		restClientCfg, depErr = clientcmd.BuildConfigFromKubeconfigGetter(s.Master, kubeconfigGetter)
		if depErr != nil {
			return fmt.Errorf("failed to find the secret containing Federation API server kubeconfig, tried the secret name %s and the deprecated name %s: %v, %v", KubeconfigSecretName, DeprecatedKubeconfigSecretName, err, depErr)
		}
	}

	// Override restClientCfg qps/burst settings from flags
	restClientCfg.QPS = s.APIServerQPS
	restClientCfg.Burst = s.APIServerBurst

	go func() {
		mux := http.NewServeMux()
		healthz.InstallHandler(mux)
		if s.EnableProfiling {
			mux.HandleFunc("/debug/pprof/", pprof.Index)
			mux.HandleFunc("/debug/pprof/profile", pprof.Profile)
			mux.HandleFunc("/debug/pprof/symbol", pprof.Symbol)
		}
		mux.Handle("/metrics", prometheus.Handler())

		server := &http.Server{
			Addr:    net.JoinHostPort(s.Address, strconv.Itoa(s.Port)),
			Handler: mux,
		}
		glog.Fatal(server.ListenAndServe())
	}()

	run := func() {
		err := StartControllers(s, restClientCfg)
		glog.Fatalf("error running controllers: %v", err)
		panic("unreachable")
	}
	run()
	panic("unreachable")
}

func BuildClusterConfig(c *federation_v1beta1.Cluster) (*restclient.Config, error) {
	var serverAddress string
	var clusterConfig *restclient.Config
	hostIP, err := utilnet.ChooseHostInterface()
	if err != nil {
		return nil, err
	}

	for _, item := range c.Spec.ServerAddressByClientCIDRs {
		_, cidrnet, err := net.ParseCIDR(item.ClientCIDR)
		if err != nil {
			return nil, err
		}
		myaddr := net.ParseIP(hostIP.String())
		if cidrnet.Contains(myaddr) == true {
			serverAddress = item.ServerAddress
			break
		}
	}
	if serverAddress != "" {
		if c.Spec.SecretRef == nil {
			glog.Infof("didn't find secretRef for cluster %s. Trying insecure access", c.Name)
			clusterConfig, err = clientcmd.BuildConfigFromFlags(serverAddress, "")
		} else {
			kubeconfigGetter := KubeconfigGetterForCluster(c)
			clusterConfig, err = clientcmd.BuildConfigFromKubeconfigGetter(serverAddress, kubeconfigGetter)
		}
		if err != nil {
			return nil, err
		}
		clusterConfig.QPS = KubeAPIQPS
		clusterConfig.Burst = KubeAPIBurst
	}
	return clusterConfig, nil
}

func providerConfig(d *schema.ResourceData) (interface{}, error) {
	var f configFunc = func(d *schema.ResourceData) (*config, error) {
		server := d.Get("server").(string)

		configGetter := kubeConfigGetter(d)

		clientConfig, err := clientcmd.BuildConfigFromKubeconfigGetter(server, configGetter)
		if err != nil {
			return nil, fmt.Errorf("couldn't parse the supplied config: %v", err)
		}

		clientset, err := release_1_4.NewForConfig(restclient.AddUserAgent(clientConfig, userAgent))
		if err != nil {
			return nil, fmt.Errorf("failed to initialize the cluster client: %v", err)
		}

		kubeConfig, err := configGetter()
		if err != nil {
			return nil, fmt.Errorf("couldn't parse the supplied config: %v", err)
		}

		return &config{
			pollInterval:             pollInterval,
			pollTimeout:              pollTimeout,
			configPollInterval:       configPollInterval,
			ConfigPollTimeout:        configPollTimeout,
			resourceShutdownInterval: resourceShutdownInterval,

			kubeConfig: kubeConfig,
			clientset:  clientset,
		}, nil
	}
	return f, nil
}

// TODO(madhusudancs): Remove this in 1.6. This is only temporary to give an
// upgrade path in 1.4/1.5.
func restClientConfigFromSecret(master string) (*restclient.Config, error) {
	kubeconfigGetter := util.KubeconfigGetterForSecret(DeprecatedKubeconfigSecretName)
	restClientCfg, err := clientcmd.BuildConfigFromKubeconfigGetter(master, kubeconfigGetter)
	if err != nil {
		return nil, fmt.Errorf("failed to find the Federation API server kubeconfig, tried the --kubeconfig flag and the deprecated secret %s: %v", DeprecatedKubeconfigSecretName, err)
	}
	return restClientCfg, nil
}

// Run runs the CMServer.  This should never exit.
func Run(s *options.CMServer) error {
	if c, err := configz.New("componentconfig"); err == nil {
		c.Set(s.ControllerManagerConfiguration)
	} else {
		glog.Errorf("unable to register configz: %s", err)
	}
	// Create the config to talk to federation-apiserver.
	kubeconfigGetter := clustercontroller.KubeconfigGetterForSecret(FederationAPIServerSecretName)
	restClientCfg, err := clientcmd.BuildConfigFromKubeconfigGetter(s.Master, kubeconfigGetter)
	if err != nil {
		return err
	}

	// Override restClientCfg qps/burst settings from flags
	restClientCfg.QPS = s.APIServerQPS
	restClientCfg.Burst = s.APIServerBurst

	go func() {
		mux := http.NewServeMux()
		healthz.InstallHandler(mux)
		if s.EnableProfiling {
			mux.HandleFunc("/debug/pprof/", pprof.Index)
			mux.HandleFunc("/debug/pprof/profile", pprof.Profile)
			mux.HandleFunc("/debug/pprof/symbol", pprof.Symbol)
		}
		mux.Handle("/metrics", prometheus.Handler())

		server := &http.Server{
			Addr:    net.JoinHostPort(s.Address, strconv.Itoa(s.Port)),
			Handler: mux,
		}
		glog.Fatal(server.ListenAndServe())
	}()

	run := func() {
		err := StartControllers(s, restClientCfg)
		glog.Fatalf("error running controllers: %v", err)
		panic("unreachable")
	}
	run()
	panic("unreachable")
}

func NewClusterClientSet(c *federation_v1alpha1.Cluster) (*ClusterClient, error) {
	var serverAddress string
	hostIP, err := utilnet.ChooseHostInterface()
	if err != nil {
		return nil, err
	}

	for _, item := range c.Spec.ServerAddressByClientCIDRs {
		_, cidrnet, err := net.ParseCIDR(item.ClientCIDR)
		if err != nil {
			return nil, err
		}
		myaddr := net.ParseIP(hostIP.String())
		if cidrnet.Contains(myaddr) == true {
			serverAddress = item.ServerAddress
			break
		}
	}
	var clusterClientSet = ClusterClient{}
	if serverAddress != "" {
		kubeconfigGetter := KubeconfigGetterForCluster(c)
		clusterConfig, err := clientcmd.BuildConfigFromKubeconfigGetter(serverAddress, kubeconfigGetter)
		if err != nil {
			return nil, err
		}
		clusterConfig.QPS = KubeAPIQPS
		clusterConfig.Burst = KubeAPIBurst
		clusterClientSet.discoveryClient = discovery.NewDiscoveryClientForConfigOrDie((restclient.AddUserAgent(clusterConfig, UserAgentName)))
		if clusterClientSet.discoveryClient == nil {
			return nil, nil
		}
		clusterClientSet.kubeClient = clientset.NewForConfigOrDie((restclient.AddUserAgent(clusterConfig, UserAgentName)))
		if clusterClientSet.kubeClient == nil {
			return nil, nil
		}
	}
	return &clusterClientSet, err
}