Golang flag.InitFlags函数代码示例

func main() {
	leaderElection := kube_leaderelection.DefaultLeaderElectionConfiguration()
	leaderElection.LeaderElect = true

	kube_leaderelection.BindFlags(&leaderElection, pflag.CommandLine)
	flag.Var(&nodeGroupsFlag, "nodes", "sets min,max size and other configuration data for a node group in a format accepted by cloud provider."+
		"Can be used multiple times. Format: <min>:<max>:<other...>")
	kube_flag.InitFlags()

	glog.Infof("Cluster Autoscaler %s", ClusterAutoscalerVersion)

	correctEstimator := false
	for _, availableEstimator := range AvailableEstimators {
		if *estimatorFlag == availableEstimator {
			correctEstimator = true
		}
	}
	if !correctEstimator {
		glog.Fatalf("Unrecognized estimator: %v", *estimatorFlag)
	}

	go func() {
		http.Handle("/metrics", prometheus.Handler())
		err := http.ListenAndServe(*address, nil)
		glog.Fatalf("Failed to start metrics: %v", err)
	}()

	if !leaderElection.LeaderElect {
		run(nil)
	} else {
		id, err := os.Hostname()
		if err != nil {
			glog.Fatalf("Unable to get hostname: %v", err)
		}

		kubeClient := createKubeClient()
		kube_leaderelection.RunOrDie(kube_leaderelection.LeaderElectionConfig{
			Lock: &resourcelock.EndpointsLock{
				EndpointsMeta: apiv1.ObjectMeta{
					Namespace: "kube-system",
					Name:      "cluster-autoscaler",
				},
				Client: kubeClient,
				LockConfig: resourcelock.ResourceLockConfig{
					Identity:      id,
					EventRecorder: createEventRecorder(kubeClient),
				},
			},
			LeaseDuration: leaderElection.LeaseDuration.Duration,
			RenewDeadline: leaderElection.RenewDeadline.Duration,
			RetryPeriod:   leaderElection.RetryPeriod.Duration,
			Callbacks: kube_leaderelection.LeaderCallbacks{
				OnStartedLeading: run,
				OnStoppedLeading: func() {
					glog.Fatalf("lost master")
				},
			},
		})
	}
}

func main() {
	config := HollowNodeConfig{}
	config.addFlags(pflag.CommandLine)
	flag.InitFlags()

	if !knownMorphs.Has(config.Morph) {
		glog.Fatalf("Unknown morph: %v. Allowed values: %v", config.Morph, knownMorphs.List())
	}

	// create a client to communicate with API server.
	clientConfig, err := config.createClientConfigFromFile()
	if err != nil {
		glog.Fatalf("Failed to create a ClientConfig: %v. Exiting.", err)
	}
	cl, err := client.New(clientConfig)
	if err != nil {
		glog.Fatalf("Failed to create a Client: %v. Exiting.", err)
	}
	clientset, err := internalclientset.NewForConfig(clientConfig)
	if err != nil {
		glog.Fatalf("Failed to create a ClientSet: %v. Exiting.", err)
	}

	if config.Morph == "kubelet" {
		cadvisorInterface := new(cadvisortest.Fake)
		containerManager := cm.NewStubContainerManager()

		fakeDockerClient := dockertools.NewFakeDockerClient()
		fakeDockerClient.EnableSleep = true

		hollowKubelet := kubemark.NewHollowKubelet(
			config.NodeName,
			clientset,
			cadvisorInterface,
			fakeDockerClient,
			config.KubeletPort,
			config.KubeletReadOnlyPort,
			containerManager,
			maxPods,
			podsPerCore,
		)
		hollowKubelet.Run()
	}

	if config.Morph == "proxy" {
		eventBroadcaster := record.NewBroadcaster()
		recorder := eventBroadcaster.NewRecorder(api.EventSource{Component: "kube-proxy", Host: config.NodeName})

		iptInterface := fakeiptables.NewFake()

		serviceConfig := proxyconfig.NewServiceConfig()
		serviceConfig.RegisterHandler(&kubemark.FakeProxyHandler{})

		endpointsConfig := proxyconfig.NewEndpointsConfig()
		endpointsConfig.RegisterHandler(&kubemark.FakeProxyHandler{})

		hollowProxy := kubemark.NewHollowProxyOrDie(config.NodeName, cl, endpointsConfig, serviceConfig, iptInterface, eventBroadcaster, recorder)
		hollowProxy.Run()
	}
}

func main() {
	opt := options.NewHeapsterRunOptions()
	opt.AddFlags(pflag.CommandLine)

	flag.InitFlags()
	logs.InitLogs()
	defer logs.FlushLogs()
	verflag.PrintAndExitIfRequested()

	setMaxProcs(opt)
	glog.Infof(strings.Join(os.Args, " "))
	glog.Infof("Heapster version %v", version.HeapsterVersion)
	if err := validateFlags(opt); err != nil {
		glog.Fatal(err)
	}

	kubernetesUrl, err := getKubernetesAddress(opt.Sources)
	if err != nil {
		glog.Fatalf("Failed to get kubernetes address: %v", err)
	}
	sourceManager := createSourceManagerOrDie(opt.Sources)
	sinkManager, metricSink, historicalSource := createAndInitSinksOrDie(opt.Sinks, opt.HistoricalSource)

	podLister, nodeLister := getListersOrDie(kubernetesUrl)
	dataProcessors := createDataProcessorsOrDie(kubernetesUrl, podLister)

	man, err := manager.NewManager(sourceManager, dataProcessors, sinkManager,
		opt.MetricResolution, manager.DefaultScrapeOffset, manager.DefaultMaxParallelism)
	if err != nil {
		glog.Fatalf("Failed to create main manager: %v", err)
	}
	man.Start()

	if opt.EnableAPIServer {
		// Run API server in a separate goroutine
		createAndRunAPIServer(opt, metricSink, nodeLister, podLister)
	}

	mux := http.NewServeMux()
	promHandler := prometheus.Handler()
	handler := setupHandlers(metricSink, podLister, nodeLister, historicalSource)
	healthz.InstallHandler(mux, healthzChecker(metricSink))

	addr := fmt.Sprintf("%s:%d", opt.Ip, opt.Port)
	glog.Infof("Starting heapster on port %d", opt.Port)

	if len(opt.TLSCertFile) > 0 && len(opt.TLSKeyFile) > 0 {
		startSecureServing(opt, handler, promHandler, mux, addr)
	} else {
		mux.Handle("/", handler)
		mux.Handle("/metrics", promHandler)

		glog.Fatal(http.ListenAndServe(addr, mux))
	}
}

func main() {
	serverRunOptions := apiserver.NewServerRunOptions()

	// Parse command line flags.
	serverRunOptions.AddFlags(pflag.CommandLine)
	flag.InitFlags()

	if err := apiserver.Run(serverRunOptions); err != nil {
		glog.Fatalf("Error in bringing up the server: %v", err)
	}
}

func main() {
	serverRunOptions := apiserver.NewServerRunOptions()

	// Parse command line flags.
	serverRunOptions.AddUniversalFlags(pflag.CommandLine)
	serverRunOptions.AddEtcdStorageFlags(pflag.CommandLine)
	flag.InitFlags()

	if err := apiserver.Run(serverRunOptions, wait.NeverStop); err != nil {
		glog.Fatalf("Error in bringing up the server: %v", err)
	}
}

func main() {
	s := options.NewSchedulerServer()
	s.AddFlags(pflag.CommandLine)

	flag.InitFlags()
	logs.InitLogs()
	defer logs.FlushLogs()

	verflag.PrintAndExitIfRequested()

	app.Run(s)
}

func main() {
	config := options.NewKubeDNSConfig()
	config.AddFlags(pflag.CommandLine)

	flag.InitFlags()
	util.InitLogs()
	defer util.FlushLogs()

	verflag.PrintAndExitIfRequested()
	server := app.NewKubeDNSServerDefault(config)
	server.Run()
}

func main() {
	runtime.GOMAXPROCS(runtime.NumCPU())
	s := options.NewSchedulerServer()
	s.AddFlags(pflag.CommandLine)

	flag.InitFlags()
	util.InitLogs()
	defer util.FlushLogs()

	verflag.PrintAndExitIfRequested()

	app.Run(s)
}

func main() {
	s := options.NewSchedulerServer()
	s.AddFlags(pflag.CommandLine)

	flag.InitFlags()
	logs.InitLogs()
	defer logs.FlushLogs()

	verflag.PrintAndExitIfRequested()

	if err := app.Run(s); err != nil {
		glog.Fatalf("scheduler app failed to run: %v", err)
	}
}

func main() {
	config := options.NewKubeDNSConfig()
	config.AddFlags(pflag.CommandLine)

	flag.InitFlags()
	logs.InitLogs()
	defer logs.FlushLogs()

	verflag.PrintAndExitIfRequested()

	glog.V(0).Infof("version: %+v", version.Get())

	server := app.NewKubeDNSServerDefault(config)
	server.Run()
}

func main() {
	options := server.NewOptions()
	configureFlags(options, pflag.CommandLine)
	flag.InitFlags()

	logs.InitLogs()
	defer logs.FlushLogs()

	glog.Infof("dnsmasq-metrics v%s", version.VERSION)

	verflag.PrintAndExitIfRequested()

	server := server.NewServer()
	server.Run(options)
}

func main() {
	s := options.NewCMServer()
	s.AddFlags(pflag.CommandLine, app.KnownControllers(), app.ControllersDisabledByDefault.List())

	flag.InitFlags()
	logs.InitLogs()
	defer logs.FlushLogs()

	verflag.PrintAndExitIfRequested()

	if err := app.Run(s); err != nil {
		fmt.Fprintf(os.Stderr, "%v\n", err)
		os.Exit(1)
	}
}

func main() {
	s := options.NewCMServer()
	s.AddFlags(pflag.CommandLine)

	flag.InitFlags()
	logs.InitLogs()
	defer logs.FlushLogs()

	verflag.PrintAndExitIfRequested()

	if err := app.Run(s); err != nil {
		fmt.Fprintf(os.Stderr, "%v\n", err)
		os.Exit(1)
	}
}

func main() {
	s := service.NewSchedulerServer()
	s.AddStandaloneFlags(pflag.CommandLine)

	flag.InitFlags()
	logs.InitLogs()
	defer logs.FlushLogs()

	verflag.PrintAndExitIfRequested()

	if err := s.Run(hyperkube.Nil(), pflag.CommandLine.Args()); err != nil {
		fmt.Fprintf(os.Stderr, err.Error())
		os.Exit(1)
	}
}

func main() {
	serverRunOptions := apiserver.NewServerRunOptions()

	// Parse command line flags.
	serverRunOptions.GenericServerRunOptions.AddUniversalFlags(pflag.CommandLine)
	serverRunOptions.Etcd.AddFlags(pflag.CommandLine)
	serverRunOptions.SecureServing.AddFlags(pflag.CommandLine)
	serverRunOptions.SecureServing.AddDeprecatedFlags(pflag.CommandLine)
	serverRunOptions.InsecureServing.AddFlags(pflag.CommandLine)
	serverRunOptions.InsecureServing.AddDeprecatedFlags(pflag.CommandLine)
	flag.InitFlags()

	if err := serverRunOptions.Run(wait.NeverStop); err != nil {
		glog.Fatalf("Error in bringing up the server: %v", err)
	}
}