Golang kubernetes.NewCommand函数代码示例

// CommandFor returns the appropriate command for this base name,
// or the global OpenShift command
func CommandFor(basename string) *cobra.Command {
	var cmd *cobra.Command

	in, out, errout := os.Stdin, os.Stdout, os.Stderr

	// Make case-insensitive and strip executable suffix if present
	if runtime.GOOS == "windows" {
		basename = strings.ToLower(basename)
		basename = strings.TrimSuffix(basename, ".exe")
	}

	switch basename {
	case "openshift-router":
		cmd = irouter.NewCommandTemplateRouter(basename)
	case "openshift-f5-router":
		cmd = irouter.NewCommandF5Router(basename)
	case "openshift-deploy":
		cmd = deployer.NewCommandDeployer(basename)
	case "openshift-recycle":
		cmd = recycle.NewCommandRecycle(basename, out)
	case "openshift-sti-build":
		cmd = builder.NewCommandSTIBuilder(basename)
	case "openshift-docker-build":
		cmd = builder.NewCommandDockerBuilder(basename)
	case "oc", "osc":
		cmd = cli.NewCommandCLI(basename, basename, in, out, errout)
	case "oadm", "osadm":
		cmd = admin.NewCommandAdmin(basename, basename, out, errout)
	case "kubectl":
		cmd = cli.NewCmdKubectl(basename, out)
	case "kube-apiserver":
		cmd = kubernetes.NewAPIServerCommand(basename, basename, out)
	case "kube-controller-manager":
		cmd = kubernetes.NewControllersCommand(basename, basename, out)
	case "kubelet":
		cmd = kubernetes.NewKubeletCommand(basename, basename, out)
	case "kube-proxy":
		cmd = kubernetes.NewProxyCommand(basename, basename, out)
	case "kube-scheduler":
		cmd = kubernetes.NewSchedulerCommand(basename, basename, out)
	case "kubernetes":
		cmd = kubernetes.NewCommand(basename, basename, out)
	case "origin", "atomic-enterprise":
		cmd = NewCommandOpenShift(basename)
	default:
		cmd = NewCommandOpenShift("openshift")
	}

	if cmd.UsageFunc() == nil {
		templates.ActsAsRootCommand(cmd, []string{"options"})
	}
	flagtypes.GLog(cmd.PersistentFlags())

	return cmd
}

// NewCommandStartAllInOne provides a CLI handler for 'start' command
func NewCommandStartAllInOne(basename string, out io.Writer) (*cobra.Command, *AllInOneOptions) {
	options := &AllInOneOptions{Output: out, MasterOptions: &MasterOptions{Output: out}}
	options.MasterOptions.DefaultsFromName(basename)

	cmds := &cobra.Command{
		Use:   "start",
		Short: "Launch all-in-one server",
		Long:  fmt.Sprintf(allInOneLong, basename),
		Run: func(c *cobra.Command, args []string) {
			kcmdutil.CheckErr(options.Complete())
			kcmdutil.CheckErr(options.Validate(args))

			startProfiler()

			if err := options.StartAllInOne(); err != nil {
				if kerrors.IsInvalid(err) {
					if details := err.(*kerrors.StatusError).ErrStatus.Details; details != nil {
						fmt.Fprintf(c.OutOrStderr(), "error: Invalid %s %s\n", details.Kind, details.Name)
						for _, cause := range details.Causes {
							fmt.Fprintf(c.OutOrStderr(), "  %s: %s\n", cause.Field, cause.Message)
						}
						os.Exit(255)
					}
				}
				glog.Fatalf("Server could not start: %v", err)
			}
		},
	}
	cmds.SetOutput(out)

	flags := cmds.Flags()

	flags.Var(&options.ConfigDir, "write-config", "Directory to write an initial config into.  After writing, exit without starting the server.")
	flags.StringVar(&options.MasterOptions.ConfigFile, "master-config", "", "Location of the master configuration file to run from. When running from configuration files, all other command-line arguments are ignored.")
	flags.StringVar(&options.NodeConfigFile, "node-config", "", "Location of the node configuration file to run from. When running from configuration files, all other command-line arguments are ignored.")
	flags.BoolVar(&options.MasterOptions.CreateCertificates, "create-certs", true, "Indicates whether missing certs should be created.")
	flags.BoolVar(&options.PrintIP, "print-ip", false, "Print the IP that would be used if no master IP is specified and exit.")
	flags.StringVar(&options.ServiceNetworkCIDR, "portal-net", NewDefaultNetworkArgs().ServiceNetworkCIDR, "The CIDR string representing the network that portal/service IPs will be assigned from. This must not overlap with any IP ranges assigned to nodes for pods.")

	masterArgs, nodeArgs, listenArg, imageFormatArgs, _ := GetAllInOneArgs()
	options.MasterOptions.MasterArgs, options.NodeArgs = masterArgs, nodeArgs

	BindMasterArgs(masterArgs, flags, "")
	BindNodeArgs(nodeArgs, flags, "", false)
	BindListenArg(listenArg, flags, "")
	BindImageFormatArgs(imageFormatArgs, flags, "")

	startMaster, _ := NewCommandStartMaster(basename, out)
	startNode, _ := NewCommandStartNode(basename, out)
	startNodeNetwork, _ := NewCommandStartNetwork(basename, out)
	startEtcdServer, _ := NewCommandStartEtcdServer(RecommendedStartEtcdServerName, basename, out)
	cmds.AddCommand(startMaster)
	cmds.AddCommand(startNode)
	cmds.AddCommand(startNodeNetwork)
	cmds.AddCommand(startEtcdServer)

	startKube := kubernetes.NewCommand("kubernetes", basename, out)
	cmds.AddCommand(startKube)

	// autocompletion hints
	cmds.MarkFlagFilename("write-config")
	cmds.MarkFlagFilename("master-config", "yaml", "yml")
	cmds.MarkFlagFilename("node-config", "yaml", "yml")

	return cmds, options
}

// NewCommandStartAllInOne provides a CLI handler for 'start' command
func NewCommandStartAllInOne(fullName string, out io.Writer) (*cobra.Command, *AllInOneOptions) {
	options := &AllInOneOptions{Output: out}

	cmds := &cobra.Command{
		Use:   "start",
		Short: "Launch OpenShift All-In-One",
		Long:  allInOneLong,
		Run: func(c *cobra.Command, args []string) {
			if err := options.Complete(); err != nil {
				fmt.Println(kcmdutil.UsageError(c, err.Error()))
				return
			}
			if err := options.Validate(args); err != nil {
				fmt.Println(kcmdutil.UsageError(c, err.Error()))
				return
			}

			startProfiler()

			if err := options.StartAllInOne(); err != nil {
				if kerrors.IsInvalid(err) {
					if details := err.(*kerrors.StatusError).ErrStatus.Details; details != nil {
						fmt.Fprintf(c.Out(), "Invalid %s %s\n", details.Kind, details.Name)
						for _, cause := range details.Causes {
							fmt.Fprintln(c.Out(), cause.Message)
						}
						os.Exit(255)
					}
				}
				glog.Fatalf("OpenShift could not start: %v", err)
			}
		},
	}
	cmds.SetOutput(out)

	flags := cmds.Flags()

	flags.Var(&options.ConfigDir, "write-config", "Directory to write an initial config into.  After writing, exit without starting the server.")
	flags.StringVar(&options.MasterConfigFile, "master-config", "", "Location of the master configuration file to run from. When running from configuration files, all other command-line arguments are ignored.")
	flags.StringVar(&options.NodeConfigFile, "node-config", "", "Location of the node configuration file to run from. When running from configuration files, all other command-line arguments are ignored.")
	flags.BoolVar(&options.CreateCerts, "create-certs", true, "Indicates whether missing certs should be created")

	masterArgs, nodeArgs, listenArg, imageFormatArgs, _ := GetAllInOneArgs()
	options.MasterArgs, options.NodeArgs = masterArgs, nodeArgs
	// by default, all-in-ones all disabled docker.  Set it here so that if we allow it to be bound later, bindings take precedence
	options.NodeArgs.AllowDisabledDocker = true

	BindMasterArgs(masterArgs, flags, "")
	BindNodeArgs(nodeArgs, flags, "")
	BindListenArg(listenArg, flags, "")
	BindImageFormatArgs(imageFormatArgs, flags, "")

	startMaster, _ := NewCommandStartMaster(out)
	startNode, _ := NewCommandStartNode(out)
	cmds.AddCommand(startMaster)
	cmds.AddCommand(startNode)

	startKube := kubernetes.NewCommand("kubernetes", fullName, out)
	cmds.AddCommand(startKube)

	// autocompletion hints
	cmds.MarkFlagFilename("write-config")
	cmds.MarkFlagFilename("master-config", "yaml", "yml")
	cmds.MarkFlagFilename("node-config", "yaml", "yml")

	return cmds, options
}