Golang util.Merge函数代码示例

func createGeneratedObject(f *cmdutil.Factory, cmd *cobra.Command, generator kubectl.Generator, names []kubectl.GeneratorParam, params map[string]interface{}, overrides, namespace string) (runtime.Object, string, meta.RESTMapper, *meta.RESTMapping, error) {
	err := kubectl.ValidateParams(names, params)
	if err != nil {
		return nil, "", nil, nil, err
	}

	obj, err := generator.Generate(params)
	if err != nil {
		return nil, "", nil, nil, err
	}

	mapper, typer := f.Object()
	version, kind, err := typer.ObjectVersionAndKind(obj)
	if err != nil {
		return nil, "", nil, nil, err
	}

	if len(overrides) > 0 {
		obj, err = cmdutil.Merge(obj, overrides, kind)
		if err != nil {
			return nil, "", nil, nil, err
		}
	}

	mapping, err := mapper.RESTMapping(kind, version)
	if err != nil {
		return nil, "", nil, nil, err
	}
	client, err := f.RESTClient(mapping)
	if err != nil {
		return nil, "", nil, nil, err
	}

	// TODO: extract this flag to a central location, when such a location exists.
	if !cmdutil.GetFlagBool(cmd, "dry-run") {
		resourceMapper := &resource.Mapper{ObjectTyper: typer, RESTMapper: mapper, ClientMapper: f.ClientMapperForCommand()}
		info, err := resourceMapper.InfoForObject(obj)
		if err != nil {
			return nil, "", nil, nil, err
		}

		// Serialize the configuration into an annotation.
		if err := kubectl.UpdateApplyAnnotation(info); err != nil {
			return nil, "", nil, nil, err
		}

		// Serialize the object with the annotation applied.
		data, err := mapping.Codec.Encode(info.Object)
		if err != nil {
			return nil, "", nil, nil, err
		}

		obj, err = resource.NewHelper(client, mapping).Create(namespace, false, data)
		if err != nil {
			return nil, "", nil, nil, err
		}
	}
	return obj, kind, mapper, mapping, err
}

func createGeneratedObject(f *cmdutil.Factory, cmd *cobra.Command, generator kubectl.Generator, names []kubectl.GeneratorParam, params map[string]interface{}, overrides, namespace string) (runtime.Object, string, meta.RESTMapper, *meta.RESTMapping, error) {
	err := kubectl.ValidateParams(names, params)
	if err != nil {
		return nil, "", nil, nil, err
	}

	// TODO: Validate flag usage against selected generator. More tricky since --expose was added.
	obj, err := generator.Generate(params)
	if err != nil {
		return nil, "", nil, nil, err
	}

	mapper, typer := f.Object()
	groupVersionKind, err := typer.ObjectKind(obj)
	if err != nil {
		return nil, "", nil, nil, err
	}

	if len(overrides) > 0 {
		codec := runtime.NewCodec(f.JSONEncoder(), f.Decoder(true))
		obj, err = cmdutil.Merge(codec, obj, overrides, groupVersionKind.Kind)
		if err != nil {
			return nil, "", nil, nil, err
		}
	}

	mapping, err := mapper.RESTMapping(groupVersionKind.GroupKind(), groupVersionKind.Version)
	if err != nil {
		return nil, "", nil, nil, err
	}
	client, err := f.ClientForMapping(mapping)
	if err != nil {
		return nil, "", nil, nil, err
	}

	// TODO: extract this flag to a central location, when such a location exists.
	if !cmdutil.GetFlagBool(cmd, "dry-run") {
		resourceMapper := &resource.Mapper{
			ObjectTyper:  typer,
			RESTMapper:   mapper,
			ClientMapper: resource.ClientMapperFunc(f.ClientForMapping),
			Decoder:      f.Decoder(true),
		}
		info, err := resourceMapper.InfoForObject(obj)
		if err != nil {
			return nil, "", nil, nil, err
		}

		if err := kubectl.CreateOrUpdateAnnotation(cmdutil.GetFlagBool(cmd, cmdutil.ApplyAnnotationsFlag), info, f.JSONEncoder()); err != nil {
			return nil, "", nil, nil, err
		}

		obj, err = resource.NewHelper(client, mapping).Create(namespace, false, info.Object)
		if err != nil {
			return nil, "", nil, nil, err
		}
	}
	return obj, groupVersionKind.Kind, mapper, mapping, err
}

func createGeneratedObject(f *cmdutil.Factory, cmd *cobra.Command, generator kubectl.Generator, names []kubectl.GeneratorParam, params map[string]interface{}, overrides, namespace string) (runtime.Object, string, meta.RESTMapper, *meta.RESTMapping, error) {
	err := kubectl.ValidateParams(names, params)
	if err != nil {
		return nil, "", nil, nil, err
	}

	obj, err := generator.Generate(params)
	if err != nil {
		return nil, "", nil, nil, err
	}

	mapper, typer := f.Object()
	gvString, kind, err := typer.ObjectVersionAndKind(obj)
	if err != nil {
		return nil, "", nil, nil, err
	}
	gv, err := unversioned.ParseGroupVersion(gvString)
	if err != nil {
		return nil, "", nil, nil, err
	}
	gvk := gv.WithKind(kind)

	if len(overrides) > 0 {
		obj, err = cmdutil.Merge(obj, overrides, kind)
		if err != nil {
			return nil, "", nil, nil, err
		}
	}

	mapping, err := mapper.RESTMapping(gvk.GroupKind(), gvk.Version)
	if err != nil {
		return nil, "", nil, nil, err
	}
	client, err := f.RESTClient(mapping)
	if err != nil {
		return nil, "", nil, nil, err
	}

	// TODO: extract this flag to a central location, when such a location exists.
	if !cmdutil.GetFlagBool(cmd, "dry-run") {
		resourceMapper := &resource.Mapper{ObjectTyper: typer, RESTMapper: mapper, ClientMapper: f.ClientMapperForCommand()}
		info, err := resourceMapper.InfoForObject(obj)
		if err != nil {
			return nil, "", nil, nil, err
		}

		if err := kubectl.CreateOrUpdateAnnotation(cmdutil.GetFlagBool(cmd, cmdutil.ApplyAnnotationsFlag), info); err != nil {
			return nil, "", nil, nil, err
		}

		obj, err = resource.NewHelper(client, mapping).Create(namespace, false, info.Object)
		if err != nil {
			return nil, "", nil, nil, err
		}
	}
	return obj, kind, mapper, mapping, err
}

func Run(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string) error {
	if len(os.Args) > 1 && os.Args[1] == "run-container" {
		printDeprecationWarning("run", "run-container")
	}

	if len(args) != 1 {
		return cmdutil.UsageError(cmd, "NAME is required for run")
	}

	namespace, _, err := f.DefaultNamespace()
	if err != nil {
		return err
	}

	client, err := f.Client()
	if err != nil {
		return err
	}

	generatorName := cmdutil.GetFlagString(cmd, "generator")
	generator, found := f.Generator(generatorName)
	if !found {
		return cmdutil.UsageError(cmd, fmt.Sprintf("Generator: %s not found.", generator))
	}
	names := generator.ParamNames()
	params := kubectl.MakeParams(cmd, names)
	params["name"] = args[0]

	err = kubectl.ValidateParams(names, params)
	if err != nil {
		return err
	}

	controller, err := generator.Generate(params)
	if err != nil {
		return err
	}

	inline := cmdutil.GetFlagString(cmd, "overrides")
	if len(inline) > 0 {
		controller, err = cmdutil.Merge(controller, inline, "ReplicationController")
		if err != nil {
			return err
		}
	}

	// TODO: extract this flag to a central location, when such a location exists.
	if !cmdutil.GetFlagBool(cmd, "dry-run") {
		controller, err = client.ReplicationControllers(namespace).Create(controller.(*api.ReplicationController))
		if err != nil {
			return err
		}
	}

	return f.PrintObject(cmd, controller, out)
}

func (this *KubernetesActionExecutor) createPod(params map[string]interface{}, containers []api.Container) error {
	obj, err := generatePod(params, containers)
	if err != nil {
		return err
	}
	objType := "Pod"
	obj, err = cmdutil.Merge(obj, "", objType)
	if err != nil {
		return err
	}
	_, err = this.KubeClient.Pods(params["namespace"].(string)).Create(obj.(*api.Pod))
	if err != nil {
		return err
	}
	return nil
}

func RunExpose(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, options *ExposeOptions) error {
	namespace, enforceNamespace, err := f.DefaultNamespace()
	if err != nil {
		return err
	}

	mapper, typer := f.Object()
	r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
		ContinueOnError().
		NamespaceParam(namespace).DefaultNamespace().
		FilenameParam(enforceNamespace, options.Filenames...).
		ResourceTypeOrNameArgs(false, args...).
		Flatten().
		Do()
	infos, err := r.Infos()
	if err != nil {
		return err
	}
	if len(infos) > 1 {
		return fmt.Errorf("multiple resources provided: %v", args)
	}
	info := infos[0]
	mapping := info.ResourceMapping()
	if err := f.CanBeExposed(mapping.Kind); err != nil {
		return err
	}
	// Get the input object
	inputObject, err := r.Object()
	if err != nil {
		return err
	}

	// Get the generator, setup and validate all required parameters
	generatorName := cmdutil.GetFlagString(cmd, "generator")
	generator, found := f.Generator(generatorName)
	if !found {
		return cmdutil.UsageError(cmd, fmt.Sprintf("generator %q not found.", generatorName))
	}
	names := generator.ParamNames()
	params := kubectl.MakeParams(cmd, names)
	name := info.Name
	if len(name) > validation.DNS952LabelMaxLength {
		name = name[:validation.DNS952LabelMaxLength]
	}
	params["default-name"] = name

	// For objects that need a pod selector, derive it from the exposed object in case a user
	// didn't explicitly specify one via --selector
	if s, found := params["selector"]; found && kubectl.IsZero(s) {
		s, err := f.PodSelectorForObject(inputObject)
		if err != nil {
			return cmdutil.UsageError(cmd, fmt.Sprintf("couldn't find selectors via --selector flag or introspection: %s", err))
		}
		params["selector"] = s
	}

	// For objects that need a port, derive it from the exposed object in case a user
	// didn't explicitly specify one via --port
	if port, found := params["port"]; found && kubectl.IsZero(port) {
		ports, err := f.PortsForObject(inputObject)
		if err != nil {
			return cmdutil.UsageError(cmd, fmt.Sprintf("couldn't find port via --port flag or introspection: %s", err))
		}
		switch len(ports) {
		case 0:
			return cmdutil.UsageError(cmd, "couldn't find port via --port flag or introspection")
		case 1:
			params["port"] = ports[0]
		default:
			params["ports"] = strings.Join(ports, ",")
		}
	}
	if kubectl.IsZero(params["labels"]) {
		labels, err := f.LabelsForObject(inputObject)
		if err != nil {
			return err
		}
		params["labels"] = kubectl.MakeLabels(labels)
	}
	if err = kubectl.ValidateParams(names, params); err != nil {
		return err
	}

	// Generate new object
	object, err := generator.Generate(params)
	if err != nil {
		return err
	}

	if inline := cmdutil.GetFlagString(cmd, "overrides"); len(inline) > 0 {
		object, err = cmdutil.Merge(object, inline, mapping.Kind)
		if err != nil {
			return err
		}
	}

	resourceMapper := &resource.Mapper{ObjectTyper: typer, RESTMapper: mapper, ClientMapper: f.ClientMapperForCommand()}
	info, err = resourceMapper.InfoForObject(object)
	if err != nil {
		return err
//.........这里部分代码省略.........

//.........这里部分代码省略.........

		// For objects that need a port, derive it from the exposed object in case a user
		// didn't explicitly specify one via --port
		if port, found := params["port"]; found && kubectl.IsZero(port) {
			ports, err := f.PortsForObject(info.Object)
			if err != nil {
				return cmdutil.UsageError(cmd, fmt.Sprintf("couldn't find port via --port flag or introspection: %s", err))
			}
			switch len(ports) {
			case 0:
				return cmdutil.UsageError(cmd, "couldn't find port via --port flag or introspection")
			case 1:
				params["port"] = ports[0]
			default:
				params["ports"] = strings.Join(ports, ",")
			}
		}

		// Always try to derive protocols from the exposed object, may use
		// different protocols for different ports.
		if _, found := params["protocol"]; found {
			protocolsMap, err := f.ProtocolsForObject(info.Object)
			if err != nil {
				return cmdutil.UsageError(cmd, fmt.Sprintf("couldn't find protocol via introspection: %s", err))
			}
			if protocols := kubectl.MakeProtocols(protocolsMap); !kubectl.IsZero(protocols) {
				params["protocols"] = protocols
			}
		}

		if kubectl.IsZero(params["labels"]) {
			labels, err := f.LabelsForObject(info.Object)
			if err != nil {
				return err
			}
			params["labels"] = kubectl.MakeLabels(labels)
		}
		if err = kubectl.ValidateParams(names, params); err != nil {
			return err
		}
		// Check for invalid flags used against the present generator.
		if err := kubectl.EnsureFlagsValid(cmd, generators, generatorName); err != nil {
			return err
		}

		// Generate new object
		object, err := generator.Generate(params)
		if err != nil {
			return err
		}

		if inline := cmdutil.GetFlagString(cmd, "overrides"); len(inline) > 0 {
			codec := runtime.NewCodec(f.JSONEncoder(), f.Decoder(true))
			object, err = cmdutil.Merge(codec, object, inline, mapping.GroupVersionKind.Kind)
			if err != nil {
				return err
			}
		}

		resourceMapper := &resource.Mapper{
			ObjectTyper:  typer,
			RESTMapper:   mapper,
			ClientMapper: resource.ClientMapperFunc(f.ClientForMapping),
			Decoder:      f.Decoder(true),
		}
		info, err = resourceMapper.InfoForObject(object, nil)
		if err != nil {
			return err
		}
		if cmdutil.ShouldRecord(cmd, info) {
			if err := cmdutil.RecordChangeCause(object, f.Command()); err != nil {
				return err
			}
		}
		info.Refresh(object, true)
		if cmdutil.GetDryRunFlag(cmd) {
			return f.PrintObject(cmd, mapper, object, out)
		}
		if err := kubectl.CreateOrUpdateAnnotation(cmdutil.GetFlagBool(cmd, cmdutil.ApplyAnnotationsFlag), info, f.JSONEncoder()); err != nil {
			return err
		}

		// Serialize the object with the annotation applied.
		object, err = resource.NewHelper(info.Client, info.Mapping).Create(namespace, false, object)
		if err != nil {
			return err
		}

		if len(cmdutil.GetFlagString(cmd, "output")) > 0 {
			return f.PrintObject(cmd, mapper, object, out)
		}

		cmdutil.PrintSuccess(mapper, false, out, info.Mapping.Resource, info.Name, "exposed")
		return nil
	})
	if err != nil {
		return err
	}
	return nil
}

func createGeneratedObject(f cmdutil.Factory, cmd *cobra.Command, generator kubectl.Generator, names []kubectl.GeneratorParam, params map[string]interface{}, overrides, namespace string) (runtime.Object, string, meta.RESTMapper, *meta.RESTMapping, error) {
	err := kubectl.ValidateParams(names, params)
	if err != nil {
		return nil, "", nil, nil, err
	}

	// TODO: Validate flag usage against selected generator. More tricky since --expose was added.
	obj, err := generator.Generate(params)
	if err != nil {
		return nil, "", nil, nil, err
	}

	mapper, typer := f.Object()
	groupVersionKinds, _, err := typer.ObjectKinds(obj)
	if err != nil {
		return nil, "", nil, nil, err
	}
	groupVersionKind := groupVersionKinds[0]

	if len(overrides) > 0 {
		codec := runtime.NewCodec(f.JSONEncoder(), f.Decoder(true))
		obj, err = cmdutil.Merge(codec, obj, overrides, groupVersionKind.Kind)
		if err != nil {
			return nil, "", nil, nil, err
		}
	}

	mapping, err := mapper.RESTMapping(groupVersionKind.GroupKind(), groupVersionKind.Version)
	if err != nil {
		return nil, "", nil, nil, err
	}
	client, err := f.ClientForMapping(mapping)
	if err != nil {
		return nil, "", nil, nil, err
	}

	annotations, err := mapping.MetadataAccessor.Annotations(obj)
	if err != nil {
		return nil, "", nil, nil, err
	}
	if cmdutil.GetRecordFlag(cmd) || len(annotations[kubectl.ChangeCauseAnnotation]) > 0 {
		if err := cmdutil.RecordChangeCause(obj, f.Command()); err != nil {
			return nil, "", nil, nil, err
		}
	}
	if !cmdutil.GetDryRunFlag(cmd) {
		resourceMapper := &resource.Mapper{
			ObjectTyper:  typer,
			RESTMapper:   mapper,
			ClientMapper: resource.ClientMapperFunc(f.ClientForMapping),
			Decoder:      f.Decoder(true),
		}
		info, err := resourceMapper.InfoForObject(obj, nil)
		if err != nil {
			return nil, "", nil, nil, err
		}

		if err := kubectl.CreateOrUpdateAnnotation(cmdutil.GetFlagBool(cmd, cmdutil.ApplyAnnotationsFlag), info, f.JSONEncoder()); err != nil {
			return nil, "", nil, nil, err
		}

		obj, err = resource.NewHelper(client, mapping).Create(namespace, false, info.Object)
		if err != nil {
			return nil, "", nil, nil, err
		}
	}
	return obj, groupVersionKind.Kind, mapper, mapping, err
}

func Run(f *cmdutil.Factory, cmdIn io.Reader, cmdOut, cmdErr io.Writer, cmd *cobra.Command, args []string) error {
	if len(os.Args) > 1 && os.Args[1] == "run-container" {
		printDeprecationWarning("run", "run-container")
	}

	if len(args) != 1 {
		return cmdutil.UsageError(cmd, "NAME is required for run")
	}

	interactive := cmdutil.GetFlagBool(cmd, "stdin")
	tty := cmdutil.GetFlagBool(cmd, "tty")
	if tty && !interactive {
		return cmdutil.UsageError(cmd, "-i/--stdin is required for containers with --tty=true")
	}
	replicas := cmdutil.GetFlagInt(cmd, "replicas")
	if interactive && replicas != 1 {
		return cmdutil.UsageError(cmd, fmt.Sprintf("-i/--stdin requires that replicas is 1, found %d", replicas))
	}

	namespace, _, err := f.DefaultNamespace()
	if err != nil {
		return err
	}

	restartPolicy, err := getRestartPolicy(cmd, interactive)
	if err != nil {
		return err
	}
	if restartPolicy != api.RestartPolicyAlways && replicas != 1 {
		return cmdutil.UsageError(cmd, fmt.Sprintf("--restart=%s requires that --repliacs=1, found %d", restartPolicy, replicas))
	}
	generatorName := cmdutil.GetFlagString(cmd, "generator")
	if len(generatorName) == 0 {
		if restartPolicy == api.RestartPolicyAlways {
			generatorName = "run/v1"
		} else {
			generatorName = "run-pod/v1"
		}
	}
	generator, found := f.Generator(generatorName)
	if !found {
		return cmdutil.UsageError(cmd, fmt.Sprintf("Generator: %s not found.", generatorName))
	}
	names := generator.ParamNames()
	params := kubectl.MakeParams(cmd, names)
	params["name"] = args[0]

	err = kubectl.ValidateParams(names, params)
	if err != nil {
		return err
	}

	obj, err := generator.Generate(params)
	if err != nil {
		return err
	}

	mapper, typer := f.Object()
	version, kind, err := typer.ObjectVersionAndKind(obj)
	if err != nil {
		return err
	}

	inline := cmdutil.GetFlagString(cmd, "overrides")
	if len(inline) > 0 {
		obj, err = cmdutil.Merge(obj, inline, kind)
		if err != nil {
			return err
		}
	}

	mapping, err := mapper.RESTMapping(kind, version)
	if err != nil {
		return err
	}
	client, err := f.RESTClient(mapping)
	if err != nil {
		return err
	}

	// TODO: extract this flag to a central location, when such a location exists.
	if !cmdutil.GetFlagBool(cmd, "dry-run") {
		data, err := mapping.Codec.Encode(obj)
		if err != nil {
			return err
		}
		obj, err = resource.NewHelper(client, mapping).Create(namespace, false, data)
		if err != nil {
			return err
		}
	}

	attachFlag := cmd.Flags().Lookup("attach")
	attach := cmdutil.GetFlagBool(cmd, "attach")

	if !attachFlag.Changed && interactive {
		attach = true
	}

	if attach {
//.........这里部分代码省略.........

//.........这里部分代码省略.........
		return cmdutil.UsageError(cmd, fmt.Sprintf("generator %q not found.", generatorName))
	}
	names := generator.ParamNames()
	params := kubectl.MakeParams(cmd, names)
	name := info.Name
	if len(name) > validation.DNS952LabelMaxLength {
		name = name[:validation.DNS952LabelMaxLength]
	}
	params["default-name"] = name

	// For objects that need a pod selector, derive it from the exposed object in case a user
	// didn't explicitly specify one via --selector
	if s, found := params["selector"]; found && kubectl.IsZero(s) {
		s, err := f.PodSelectorForObject(inputObject)
		if err != nil {
			return cmdutil.UsageError(cmd, fmt.Sprintf("couldn't find selectors via --selector flag or introspection: %s", err))
		}
		params["selector"] = s
	}

	if cmdutil.GetFlagInt(cmd, "port") < 1 {
		noPorts := true
		for _, param := range names {
			if param.Name == "port" {
				noPorts = false
				break
			}
		}
		if cmdutil.GetFlagInt(cmd, "port") < 0 && !noPorts {
			ports, err := f.PortsForObject(inputObject)
			if err != nil {
				return cmdutil.UsageError(cmd, fmt.Sprintf("couldn't find port via --port flag or introspection: %s", err))
			}
			switch len(ports) {
			case 0:
				return cmdutil.UsageError(cmd, "couldn't find port via --port flag or introspection")
			case 1:
				params["port"] = ports[0]
			default:
				return cmdutil.UsageError(cmd, fmt.Sprintf("multiple ports to choose from: %v, please explicitly specify a port using the --port flag.", ports))
			}
		}
	}
	if cmdutil.GetFlagBool(cmd, "create-external-load-balancer") {
		params["create-external-load-balancer"] = "true"
	}
	if kubectl.IsZero(params["labels"]) {
		labels, err := f.LabelsForObject(inputObject)
		if err != nil {
			return err
		}
		params["labels"] = kubectl.MakeLabels(labels)
	}
	if v := cmdutil.GetFlagString(cmd, "type"); v != "" {
		params["type"] = v
	}
	err = kubectl.ValidateParams(names, params)
	if err != nil {
		return err
	}

	// Expose new object
	object, err := generator.Generate(params)
	if err != nil {
		return err
	}

	inline := cmdutil.GetFlagString(cmd, "overrides")
	if len(inline) > 0 {
		object, err = cmdutil.Merge(object, inline, mapping.Kind)
		if err != nil {
			return err
		}
	}

	resourceMapper := &resource.Mapper{ObjectTyper: typer, RESTMapper: mapper, ClientMapper: f.ClientMapperForCommand()}
	info, err = resourceMapper.InfoForObject(object)
	if err != nil {
		return err
	}
	// TODO: extract this flag to a central location, when such a location exists.
	if cmdutil.GetFlagBool(cmd, "dry-run") {
		fmt.Fprintln(out, "running in dry-run mode...")
	} else {
		data, err := info.Mapping.Codec.Encode(object)
		if err != nil {
			return err
		}
		object, err = resource.NewHelper(info.Client, info.Mapping).Create(namespace, false, data)
		if err != nil {
			return err
		}
	}
	outputFormat := cmdutil.GetFlagString(cmd, "output")
	if outputFormat != "" {
		return f.PrintObject(cmd, object, out)
	}
	cmdutil.PrintSuccess(mapper, false, out, info.Mapping.Resource, info.Name, "exposed")
	return nil
}

func Run(f *cmdutil.Factory, cmdIn io.Reader, cmdOut, cmdErr io.Writer, cmd *cobra.Command, args []string) error {
	if len(os.Args) > 1 && os.Args[1] == "run-container" {
		printDeprecationWarning("run", "run-container")
	}

	if len(args) == 0 {
		return cmdutil.UsageError(cmd, "NAME is required for run")
	}

	interactive := cmdutil.GetFlagBool(cmd, "stdin")
	tty := cmdutil.GetFlagBool(cmd, "tty")
	if tty && !interactive {
		return cmdutil.UsageError(cmd, "-i/--stdin is required for containers with --tty=true")
	}
	replicas := cmdutil.GetFlagInt(cmd, "replicas")
	if interactive && replicas != 1 {
		return cmdutil.UsageError(cmd, fmt.Sprintf("-i/--stdin requires that replicas is 1, found %d", replicas))
	}

	namespace, _, err := f.DefaultNamespace()
	if err != nil {
		return err
	}

	client, err := f.Client()
	if err != nil {
		return err
	}

	restartPolicy, err := getRestartPolicy(cmd, interactive)
	if err != nil {
		return err
	}
	if restartPolicy != api.RestartPolicyAlways && replicas != 1 {
		return cmdutil.UsageError(cmd, fmt.Sprintf("--restart=%s requires that --repliacs=1, found %d", restartPolicy, replicas))
	}
	generatorName := cmdutil.GetFlagString(cmd, "generator")
	if len(generatorName) == 0 {
		if restartPolicy == api.RestartPolicyAlways {
			generatorName = "run/v1"
		} else {
			generatorName = "run-pod/v1"
		}
	}
	generator, found := f.Generator(generatorName)
	if !found {
		return cmdutil.UsageError(cmd, fmt.Sprintf("Generator: %s not found.", generatorName))
	}
	names := generator.ParamNames()
	params := kubectl.MakeParams(cmd, names)
	params["name"] = args[0]
	if len(args) > 1 {
		params["args"] = args[1:]
	}
	err = kubectl.ValidateParams(names, params)
	if err != nil {
		return err
	}

	obj, err := generator.Generate(params)
	if err != nil {
		return err
	}

	inline := cmdutil.GetFlagString(cmd, "overrides")
	if len(inline) > 0 {
		var objType string
		if restartPolicy == api.RestartPolicyAlways {
			objType = "ReplicationController"
		} else {
			objType = "Pod"
		}
		obj, err = cmdutil.Merge(obj, inline, objType)
		if err != nil {
			return err
		}
	}

	// TODO: extract this flag to a central location, when such a location exists.
	if !cmdutil.GetFlagBool(cmd, "dry-run") {
		if restartPolicy == api.RestartPolicyAlways {
			obj, err = client.ReplicationControllers(namespace).Create(obj.(*api.ReplicationController))
		} else {
			obj, err = client.Pods(namespace).Create(obj.(*api.Pod))
		}
		if err != nil {
			return err
		}
	}

	attachFlag := cmd.Flags().Lookup("attach")
	attach := cmdutil.GetFlagBool(cmd, "attach")

	if !attachFlag.Changed && interactive {
		attach = true
	}

	if attach {
		opts := &AttachOptions{
			In:    cmdIn,
//.........这里部分代码省略.........

//.........这里部分代码省略.........
	// Get the input object
	client, err := f.RESTClient(mapping)
	if err != nil {
		return err
	}
	inputObject, err := resource.NewHelper(client, mapping).Get(info.Namespace, info.Name)
	if err != nil {
		return err
	}

	// Get the generator, setup and validate all required parameters
	generatorName := cmdutil.GetFlagString(cmd, "generator")
	generator, found := f.Generator(generatorName)
	if !found {
		return cmdutil.UsageError(cmd, fmt.Sprintf("generator %q not found.", generatorName))
	}
	names := generator.ParamNames()
	params := kubectl.MakeParams(cmd, names)
	params["default-name"] = info.Name
	if s, found := params["selector"]; !found || len(s) == 0 || cmdutil.GetFlagInt(cmd, "port") < 1 {
		if len(s) == 0 {
			s, err := f.PodSelectorForObject(inputObject)
			if err != nil {
				return cmdutil.UsageError(cmd, fmt.Sprintf("couldn't find selectors via --selector flag or introspection: %s", err))
			}
			params["selector"] = s
		}
		noPorts := true
		for _, param := range names {
			if param.Name == "port" {
				noPorts = false
				break
			}
		}
		if cmdutil.GetFlagInt(cmd, "port") < 0 && !noPorts {
			ports, err := f.PortsForObject(inputObject)
			if err != nil {
				return cmdutil.UsageError(cmd, fmt.Sprintf("couldn't find port via --port flag or introspection: %s", err))
			}
			switch len(ports) {
			case 0:
				return cmdutil.UsageError(cmd, "couldn't find port via --port flag or introspection")
			case 1:
				params["port"] = ports[0]
			default:
				return cmdutil.UsageError(cmd, fmt.Sprintf("multiple ports to choose from: %v, please explicitly specify a port using the --port flag.", ports))
			}
		}
	}
	if cmdutil.GetFlagBool(cmd, "create-external-load-balancer") {
		params["create-external-load-balancer"] = "true"
	}
	if len(params["labels"]) == 0 {
		labels, err := f.LabelsForObject(inputObject)
		if err != nil {
			return err
		}
		params["labels"] = kubectl.MakeLabels(labels)
	}
	if v := cmdutil.GetFlagString(cmd, "type"); v != "" {
		params["type"] = v
	}
	err = kubectl.ValidateParams(names, params)
	if err != nil {
		return err
	}

	// Expose new object
	object, err := generator.Generate(params)
	if err != nil {
		return err
	}

	inline := cmdutil.GetFlagString(cmd, "overrides")
	if len(inline) > 0 {
		object, err = cmdutil.Merge(object, inline, mapping.Kind)
		if err != nil {
			return err
		}
	}

	// TODO: extract this flag to a central location, when such a location exists.
	if !cmdutil.GetFlagBool(cmd, "dry-run") {
		resourceMapper := &resource.Mapper{ObjectTyper: typer, RESTMapper: mapper, ClientMapper: f.ClientMapperForCommand()}
		info, err := resourceMapper.InfoForObject(object)
		if err != nil {
			return err
		}
		data, err := info.Mapping.Codec.Encode(object)
		if err != nil {
			return err
		}
		_, err = resource.NewHelper(info.Client, info.Mapping).Create(namespace, false, data)
		if err != nil {
			return err
		}
	}

	return f.PrintObject(cmd, object, out)
}

func Run(f *cmdutil.Factory, cmdIn io.Reader, cmdOut, cmdErr io.Writer, cmd *cobra.Command, args []string) error {
	if len(os.Args) > 1 && os.Args[1] == "run-container" {
		printDeprecationWarning("run", "run-container")
	}

	if len(args) == 0 {
		return cmdutil.UsageError(cmd, "NAME is required for run")
	}

	interactive := cmdutil.GetFlagBool(cmd, "stdin")
	tty := cmdutil.GetFlagBool(cmd, "tty")
	if tty && !interactive {
		return cmdutil.UsageError(cmd, "-i/--stdin is required for containers with --tty=true")
	}
	replicas := cmdutil.GetFlagInt(cmd, "replicas")
	if interactive && replicas != 1 {
		return cmdutil.UsageError(cmd, fmt.Sprintf("-i/--stdin requires that replicas is 1, found %d", replicas))
	}

	namespace, _, err := f.DefaultNamespace()
	if err != nil {
		return err
	}

	restartPolicy, err := getRestartPolicy(cmd, interactive)
	if err != nil {
		return err
	}
	if restartPolicy != api.RestartPolicyAlways && replicas != 1 {
		return cmdutil.UsageError(cmd, fmt.Sprintf("--restart=%s requires that --replicas=1, found %d", restartPolicy, replicas))
	}
	generatorName := cmdutil.GetFlagString(cmd, "generator")
	if len(generatorName) == 0 {
		if restartPolicy == api.RestartPolicyAlways {
			generatorName = "run/v1"
		} else {
			generatorName = "run-pod/v1"
		}
	}
	generator, found := f.Generator(generatorName)
	if !found {
		return cmdutil.UsageError(cmd, fmt.Sprintf("Generator: %s not found.", generatorName))
	}
	names := generator.ParamNames()
	params := kubectl.MakeParams(cmd, names)
	params["name"] = args[0]
	if len(args) > 1 {
		params["args"] = args[1:]
	}

	params["env"] = cmdutil.GetFlagStringSlice(cmd, "env")

	err = kubectl.ValidateParams(names, params)
	if err != nil {
		return err
	}

	obj, err := generator.Generate(params)
	if err != nil {
		return err
	}

	mapper, typer := f.Object()
	version, kind, err := typer.ObjectVersionAndKind(obj)
	if err != nil {
		return err
	}

	inline := cmdutil.GetFlagString(cmd, "overrides")
	if len(inline) > 0 {
		obj, err = cmdutil.Merge(obj, inline, kind)
		if err != nil {
			return err
		}
	}

	mapping, err := mapper.RESTMapping(kind, version)
	if err != nil {
		return err
	}
	client, err := f.RESTClient(mapping)
	if err != nil {
		return err
	}

	// TODO: extract this flag to a central location, when such a location exists.
	if !cmdutil.GetFlagBool(cmd, "dry-run") {
		resourceMapper := &resource.Mapper{ObjectTyper: typer, RESTMapper: mapper, ClientMapper: f.ClientMapperForCommand()}
		info, err := resourceMapper.InfoForObject(obj)
		if err != nil {
			return err
		}

		// Serialize the configuration into an annotation.
		if err := kubectl.UpdateApplyAnnotation(info); err != nil {
			return err
		}

		obj, err = resource.NewHelper(client, mapping).Create(namespace, false, info.Object)
		if err != nil {
//.........这里部分代码省略.........