Golang util.OutputVersion函数代码示例

func (v *VolumeOptions) Complete(f *clientcmd.Factory, cmd *cobra.Command, out, errOut io.Writer) error {
	clientConfig, err := f.ClientConfig()
	if err != nil {
		return err
	}
	v.OutputVersion, err = kcmdutil.OutputVersion(cmd, clientConfig.GroupVersion)
	if err != nil {
		return err
	}
	_, kc, err := f.Clients()
	if err != nil {
		return err
	}
	v.Client = kc

	cmdNamespace, explicit, err := f.DefaultNamespace()
	if err != nil {
		return err
	}
	mapper, typer := f.Object(false)

	v.DefaultNamespace = cmdNamespace
	v.ExplicitNamespace = explicit
	v.Out = out
	v.Err = errOut
	v.Mapper = mapper
	v.Typer = typer
	v.RESTClientFactory = f.Factory.ClientForMapping
	v.UpdatePodSpecForObject = f.UpdatePodSpecForObject
	v.Encoder = f.JSONEncoder()

	// In case of volume source ignore the default volume type
	if len(v.AddOpts.Source) > 0 {
		v.AddOpts.Type = ""
	}
	if len(v.AddOpts.ClaimSize) > 0 {
		v.AddOpts.CreateClaim = true
		if len(v.AddOpts.ClaimName) == 0 {
			v.AddOpts.ClaimName = kapi.SimpleNameGenerator.GenerateName("pvc-")
		}
		q, err := kresource.ParseQuantity(v.AddOpts.ClaimSize)
		if err != nil {
			return fmt.Errorf("--claim-size is not valid: %v", err)
		}
		v.AddOpts.ClaimSize = q.String()
	}
	switch strings.ToLower(v.AddOpts.ClaimMode) {
	case strings.ToLower(string(kapi.ReadOnlyMany)), "rom":
		v.AddOpts.ClaimMode = string(kapi.ReadOnlyMany)
	case strings.ToLower(string(kapi.ReadWriteOnce)), "rwo":
		v.AddOpts.ClaimMode = string(kapi.ReadWriteOnce)
	case strings.ToLower(string(kapi.ReadWriteMany)), "rwm":
		v.AddOpts.ClaimMode = string(kapi.ReadWriteMany)
	case "":
	default:
		return errors.New("--claim-mode must be one of ReadWriteOnce (rwo), ReadWriteMany (rwm), or ReadOnlyMany (rom)")
	}
	return nil
}

// Complete takes command line information to fill out BackendOptions or returns an error.
func (o *BackendsOptions) Complete(f *clientcmd.Factory, cmd *cobra.Command, args []string) error {
	cmdNamespace, explicit, err := f.DefaultNamespace()
	if err != nil {
		return err
	}

	clientConfig, err := f.ClientConfig()
	if err != nil {
		return err
	}

	o.OutputVersion, err = kcmdutil.OutputVersion(cmd, clientConfig.GroupVersion)
	if err != nil {
		return err
	}

	var resources []string
	for _, arg := range args {
		if !strings.Contains(arg, "=") {
			resources = append(resources, arg)
			continue
		}
		input, err := ParseBackendInput(arg)
		if err != nil {
			return fmt.Errorf("invalid argument %q: %v", arg, err)
		}
		o.Transform.Inputs = append(o.Transform.Inputs, *input)
	}

	o.PrintTable = o.Transform.Empty()

	mapper, typer := f.Object(false)
	o.Builder = resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), kapi.Codecs.UniversalDecoder()).
		ContinueOnError().
		NamespaceParam(cmdNamespace).DefaultNamespace().
		FilenameParam(explicit, false, o.Filenames...).
		SelectorParam(o.Selector).
		SelectAllParam(o.All).
		ResourceNames("route", resources...).
		Flatten()
	if len(resources) == 0 {
		o.Builder.ResourceTypes("routes")
	}

	output := kcmdutil.GetFlagString(cmd, "output")
	if len(output) != 0 {
		o.PrintObject = func(obj runtime.Object) error { return f.PrintObject(cmd, mapper, obj, o.Out) }
	}

	o.Encoder = f.JSONEncoder()
	o.ShortOutput = kcmdutil.GetFlagString(cmd, "output") == "name"
	o.Mapper = mapper

	return nil
}

// Complete collects information required to run Convert command from command line.
func (o *ConvertOptions) Complete(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string) (err error) {
	o.outputVersion, err = cmdutil.OutputVersion(cmd, &registered.EnabledVersionsForGroup(api.GroupName)[0])
	if err != nil {
		return err
	}
	if !registered.IsEnabledVersion(o.outputVersion) {
		cmdutil.UsageError(cmd, "'%s' is not a registered version.", o.outputVersion)
	}

	// build the builder
	mapper, typer := f.Object(cmdutil.GetIncludeThirdPartyAPIs(cmd))
	clientMapper := resource.ClientMapperFunc(f.ClientForMapping)

	if o.local {
		fmt.Fprintln(os.Stderr, "running in local mode...")
		o.builder = resource.NewBuilder(mapper, typer, resource.DisabledClientForMapping{ClientMapper: clientMapper}, f.Decoder(true))
	} else {
		o.builder = resource.NewBuilder(mapper, typer, clientMapper, f.Decoder(true))
		schema, err := f.Validator(cmdutil.GetFlagBool(cmd, "validate"), cmdutil.GetFlagString(cmd, "schema-cache-dir"))
		if err != nil {
			return err
		}
		o.builder = o.builder.Schema(schema)
	}
	cmdNamespace, _, err := f.DefaultNamespace()
	if err != nil {
		return err
	}
	o.builder = o.builder.NamespaceParam(cmdNamespace).
		ContinueOnError().
		FilenameParam(false, o.recursive, o.filenames...).
		Flatten()

	// build the printer
	o.out = out
	outputFormat := cmdutil.GetFlagString(cmd, "output")
	templateFile := cmdutil.GetFlagString(cmd, "template")
	if len(outputFormat) == 0 {
		if len(templateFile) == 0 {
			outputFormat = "yaml"
		} else {
			outputFormat = "template"
		}
	}
	o.encoder = f.JSONEncoder()
	o.printer, _, err = kubectl.GetPrinter(outputFormat, templateFile, false)
	if err != nil {
		return err
	}

	return nil
}

// Complete collects information required to run Convert command from command line.
func (o *ConvertOptions) Complete(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string) (err error) {
	o.outputVersion = cmdutil.OutputVersion(cmd, latest.GroupOrDie("").Version)
	outputGV, err := unversioned.ParseGroupVersion(o.outputVersion)
	if err != nil {
		return fmt.Errorf("unable to parse group/version from %q: %v", o.outputVersion, err)
	}
	if !registered.IsRegisteredAPIGroupVersion(outputGV) {
		cmdutil.UsageError(cmd, "'%s' is not a registered version.", o.outputVersion)
	}

	// build the builder
	mapper, typer := f.Object()
	if o.local {
		fmt.Fprintln(out, "running in local mode...")
		o.builder = resource.NewBuilder(mapper, typer, f.NilClientMapperForCommand())
	} else {
		o.builder = resource.NewBuilder(mapper, typer, f.ClientMapperForCommand())
		schema, err := f.Validator(cmdutil.GetFlagBool(cmd, "validate"), cmdutil.GetFlagString(cmd, "schema-cache-dir"))
		if err != nil {
			return err
		}
		o.builder = o.builder.Schema(schema)
	}
	cmdNamespace, _, err := f.DefaultNamespace()
	if err != nil {
		return err
	}
	o.builder = o.builder.NamespaceParam(cmdNamespace).
		ContinueOnError().
		FilenameParam(false, o.filenames...).
		Flatten()

	// build the printer
	o.out = out
	outputFormat := cmdutil.GetFlagString(cmd, "output")
	templateFile := cmdutil.GetFlagString(cmd, "template")
	if len(outputFormat) == 0 {
		if len(templateFile) == 0 {
			outputFormat = "yaml"
		} else {
			outputFormat = "template"
		}
	}
	o.printer, _, err = kubectl.GetPrinter(outputFormat, templateFile)
	if err != nil {
		return err
	}

	return nil
}

func (o *BuildHookOptions) Complete(f *clientcmd.Factory, cmd *cobra.Command, args []string) error {
	resources := args
	if i := cmd.ArgsLenAtDash(); i != -1 {
		resources = args[:i]
		o.Command = args[i:]
	}
	if len(o.Filenames) == 0 && len(args) < 1 {
		return kcmdutil.UsageError(cmd, "one or more build configs must be specified as <name> or <resource>/<name>")
	}

	cmdNamespace, explicit, err := f.DefaultNamespace()
	if err != nil {
		return err
	}
	clientConfig, err := f.ClientConfig()
	if err != nil {
		return err
	}
	o.OutputVersion, err = kcmdutil.OutputVersion(cmd, clientConfig.GroupVersion)
	if err != nil {
		return err
	}

	mapper, typer := f.Object(false)
	o.Builder = resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), kapi.Codecs.UniversalDecoder()).
		ContinueOnError().
		NamespaceParam(cmdNamespace).DefaultNamespace().
		FilenameParam(explicit, false, o.Filenames...).
		SelectorParam(o.Selector).
		ResourceNames("buildconfigs", resources...).
		Flatten()

	if o.All {
		o.Builder.ResourceTypes("buildconfigs").SelectAllParam(o.All)
	}

	output := kcmdutil.GetFlagString(cmd, "output")
	if len(output) != 0 {
		o.PrintObject = func(infos []*resource.Info) error {
			return f.PrintResourceInfos(cmd, infos, o.Out)
		}
	}

	o.Encoder = f.JSONEncoder()
	o.ShortOutput = kcmdutil.GetFlagString(cmd, "output") == "name"
	o.Mapper = mapper

	return nil
}

// Complete completes struct variables.
func (o *EditOptions) Complete(fullName string, f *clientcmd.Factory, out io.Writer, cmd *cobra.Command, args []string) error {
	o.fullName = fullName
	o.args = args
	o.out = out
	switch format := cmdutil.GetFlagString(cmd, "output"); format {
	case "json":
		o.printer = &kubectl.JSONPrinter{}
		o.ext = ".json"
	case "yaml":
		o.printer = &kubectl.YAMLPrinter{}
		o.ext = ".yaml"
	default:
		return cmdutil.UsageError(cmd, "The flag 'output' must be one of yaml|json")
	}

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

	mapper, typer := f.Object()
	o.rmap = &resource.Mapper{
		ObjectTyper:  typer,
		RESTMapper:   mapper,
		ClientMapper: f.ClientMapperForCommand(),
	}

	o.builder = resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
		NamespaceParam(o.namespace).DefaultNamespace().
		FilenameParam(explicit, o.filenames...).
		// SelectorParam(selector).
		ResourceTypeOrNameArgs(true, o.args...).
		Latest()

	clientConfig, err := f.ClientConfig()
	if err != nil {
		return err
	}

	o.version = cmdutil.OutputVersion(cmd, clientConfig.Version)
	return nil
}

func NewCmdConfigView(out io.Writer, ConfigAccess clientcmd.ConfigAccess) *cobra.Command {
	options := &ViewOptions{ConfigAccess: ConfigAccess}
	// Default to yaml
	defaultOutputFormat := "yaml"

	cmd := &cobra.Command{
		Use:     "view",
		Short:   "Displays merged kubeconfig settings or a specified kubeconfig file.",
		Long:    view_long,
		Example: view_example,
		Run: func(cmd *cobra.Command, args []string) {
			options.Complete()
			outputFormat := cmdutil.GetFlagString(cmd, "output")
			if outputFormat == "wide" {
				fmt.Printf("--output wide is not available in kubectl config view; reset to default output format (%s)\n\n", defaultOutputFormat)
				cmd.Flags().Set("output", defaultOutputFormat)
			}
			if outputFormat == "" {
				fmt.Printf("reset to default output format (%s) as --output is empty", defaultOutputFormat)
				cmd.Flags().Set("output", defaultOutputFormat)
			}

			printer, _, err := cmdutil.PrinterForCommand(cmd)
			cmdutil.CheckErr(err)
			version, err := cmdutil.OutputVersion(cmd, &latest.ExternalVersion)
			cmdutil.CheckErr(err)
			printer = kubectl.NewVersionedPrinter(printer, clientcmdapi.Scheme, version)

			cmdutil.CheckErr(options.Run(out, printer))
		},
	}

	cmdutil.AddPrinterFlags(cmd)
	cmd.Flags().Set("output", defaultOutputFormat)

	options.Merge.Default(true)
	f := cmd.Flags().VarPF(&options.Merge, "merge", "", "merge together the full hierarchy of kubeconfig files")
	f.NoOptDefVal = "true"
	cmd.Flags().BoolVar(&options.RawByteData, "raw", false, "display raw byte data")
	cmd.Flags().BoolVar(&options.Flatten, "flatten", false, "flatten the resulting kubeconfig file into self contained output (useful for creating portable kubeconfig files)")
	cmd.Flags().BoolVar(&options.Minify, "minify", false, "remove all information not used by current-context from the output")
	return cmd
}

func NewCmdConfigView(out io.Writer, ConfigAccess ConfigAccess) *cobra.Command {
	options := &ViewOptions{ConfigAccess: ConfigAccess}

	cmd := &cobra.Command{
		Use:     "view",
		Short:   "displays Merged kubeconfig settings or a specified kubeconfig file.",
		Long:    view_long,
		Example: view_example,
		Run: func(cmd *cobra.Command, args []string) {
			options.Complete()

			printer, _, err := cmdutil.PrinterForCommand(cmd)
			if err != nil {
				glog.FatalDepth(1, err)
			}
			version := cmdutil.OutputVersion(cmd, latest.Version)
			printer = kubectl.NewVersionedPrinter(printer, clientcmdapi.Scheme, version)

			if err := options.Run(out, printer); err != nil {
				glog.FatalDepth(1, err)
			}

		},
	}

	cmdutil.AddPrinterFlags(cmd)
	// Default to yaml
	cmd.Flags().Set("output", "yaml")

	options.Merge.Default(true)
	cmd.Flags().Var(&options.Merge, "merge", "merge together the full hierarchy of kubeconfig files")
	cmd.Flags().BoolVar(&options.RawByteData, "raw", false, "display raw byte data")
	cmd.Flags().BoolVar(&options.Flatten, "flatten", false, "flatten the resulting kubeconfig file into self contained output (useful for creating portable kubeconfig files)")
	cmd.Flags().BoolVar(&options.Minify, "minify", false, "remove all information not used by current-context from the output")
	return cmd
}

// RunEnv contains all the necessary functionality for the OpenShift cli env command
func RunEnv(f *clientcmd.Factory, in io.Reader, out io.Writer, cmd *cobra.Command, args []string, envParams, filenames kutil.StringList) error {
	resources, envArgs := []string{}, []string{}
	first := true
	for _, s := range args {
		isEnv := strings.Contains(s, "=") || strings.HasSuffix(s, "-")
		switch {
		case first && isEnv:
			first = false
			fallthrough
		case !first && isEnv:
			envArgs = append(envArgs, s)
		case first && !isEnv:
			resources = append(resources, s)
		case !first && !isEnv:
			return cmdutil.UsageError(cmd, "all resources must be specified before environment changes: %s", s)
		}
	}
	if len(filenames) == 0 && len(resources) < 1 {
		return cmdutil.UsageError(cmd, "one or more resources must be specified as <resource> <name> or <resource>/<name>")
	}

	containerMatch := cmdutil.GetFlagString(cmd, "containers")
	list := cmdutil.GetFlagBool(cmd, "list")
	selector := cmdutil.GetFlagString(cmd, "selector")
	all := cmdutil.GetFlagBool(cmd, "all")
	//overwrite := cmdutil.GetFlagBool(cmd, "overwrite")
	resourceVersion := cmdutil.GetFlagString(cmd, "resource-version")
	outputFormat := cmdutil.GetFlagString(cmd, "output")

	if list && len(outputFormat) > 0 {
		return cmdutil.UsageError(cmd, "--list and --output may not be specified together")
	}

	clientConfig, err := f.ClientConfig()
	if err != nil {
		return err
	}
	outputVersion := cmdutil.OutputVersion(cmd, clientConfig.Version)

	cmdNamespace, explicit, err := f.DefaultNamespace()
	if err != nil {
		return err
	}

	env, remove, err := parseEnv(append(envParams, envArgs...), in)
	if err != nil {
		return err
	}

	mapper, typer := f.Object()
	b := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
		ContinueOnError().
		NamespaceParam(cmdNamespace).DefaultNamespace().
		FilenameParam(explicit, filenames...).
		SelectorParam(selector).
		ResourceTypeOrNameArgs(all, resources...).
		Flatten()

	one := false
	infos, err := b.Do().IntoSingular(&one).Infos()
	if err != nil {
		return err
	}

	// only apply resource version locking on a single resource
	if !one && len(resourceVersion) > 0 {
		return cmdutil.UsageError(cmd, "--resource-version may only be used with a single resource")
	}

	skipped := 0
	for _, info := range infos {
		ok, err := f.UpdatePodSpecForObject(info.Object, func(spec *kapi.PodSpec) error {
			containers, _ := selectContainers(spec.Containers, containerMatch)
			if len(containers) == 0 {
				fmt.Fprintf(cmd.Out(), "warning: %s/%s does not have any containers matching %q\n", info.Mapping.Resource, info.Name, containerMatch)
				return nil
			}
			for _, c := range containers {
				c.Env = updateEnv(c.Env, env, remove)

				if list {
					fmt.Fprintf(out, "# %s %s, container %s\n", info.Mapping.Resource, info.Name, c.Name)
					for _, env := range c.Env {
						// if env.ValueFrom != nil && env.ValueFrom.FieldRef != nil {
						// 	fmt.Fprintf(cmd.Out(), "%s= # calculated from pod %s %s\n", env.Name, env.ValueFrom.FieldRef.FieldPath, env.ValueFrom.FieldRef.APIVersion)
						// 	continue
						// }
						fmt.Fprintf(out, "%s=%s\n", env.Name, env.Value)

					}
				}
			}
			return nil
		})
		if !ok {
			skipped++
			continue
		}
		if err != nil {
//.........这里部分代码省略.........

func RunEdit(f *cmdutil.Factory, out, errOut io.Writer, cmd *cobra.Command, args []string, options *EditOptions) error {
	var printer kubectl.ResourcePrinter
	var ext string
	switch format := cmdutil.GetFlagString(cmd, "output"); format {
	case "json":
		printer = &kubectl.JSONPrinter{}
		ext = ".json"
	case "yaml":
		printer = &kubectl.YAMLPrinter{}
		ext = ".yaml"
	default:
		return cmdutil.UsageError(cmd, "The flag 'output' must be one of yaml|json")
	}

	cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
	if err != nil {
		return err
	}

	mapper, typer := f.Object(cmdutil.GetIncludeThirdPartyAPIs(cmd))
	resourceMapper := &resource.Mapper{
		ObjectTyper:  typer,
		RESTMapper:   mapper,
		ClientMapper: resource.ClientMapperFunc(f.ClientForMapping),

		// NB: we use `f.Decoder(false)` to get a plain deserializer for
		// the resourceMapper, since it's used to read in edits and
		// we don't want to convert into the internal version when
		// reading in edits (this would cause us to potentially try to
		// compare two different GroupVersions).
		Decoder: f.Decoder(false),
	}

	r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
		NamespaceParam(cmdNamespace).DefaultNamespace().
		FilenameParam(enforceNamespace, options.Recursive, options.Filenames...).
		ResourceTypeOrNameArgs(true, args...).
		Flatten().
		Latest().
		Do()
	err = r.Err()
	if err != nil {
		return err
	}

	infos, err := r.Infos()
	if err != nil {
		return err
	}

	clientConfig, err := f.ClientConfig()
	if err != nil {
		return err
	}

	encoder := f.JSONEncoder()
	defaultVersion, err := cmdutil.OutputVersion(cmd, clientConfig.GroupVersion)
	if err != nil {
		return err
	}
	originalObj, err := resource.AsVersionedObject(infos, false, defaultVersion, encoder)
	if err != nil {
		return err
	}

	var (
		windowsLineEndings = cmdutil.GetFlagBool(cmd, "windows-line-endings")
		edit               = editor.NewDefaultEditor(f.EditorEnvs())
		results            = editResults{}
		original           = []byte{}
		edited             = []byte{}
		file               string
	)

	containsError := false

	for {
		// infos mutates over time to be the list of things we've tried and failed to edit
		// this means that our overall list changes over time.
		objToEdit, err := resource.AsVersionedObject(infos, false, defaultVersion, encoder)
		if err != nil {
			return err
		}

		// generate the file to edit
		buf := &bytes.Buffer{}
		var w io.Writer = buf
		if windowsLineEndings {
			w = crlf.NewCRLFWriter(w)
		}
		if err := results.header.writeTo(w); err != nil {
			return preservedFile(err, results.file, errOut)
		}
		if !containsError {
			if err := printer.PrintObj(objToEdit, w); err != nil {
				return preservedFile(err, results.file, errOut)
			}
			original = buf.Bytes()
		} else {
			// In case of an error, preserve the edited file.
//.........这里部分代码省略.........

//.........这里部分代码省略.........
	if isWatch || isWatchOnly {
		r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
			NamespaceParam(cmdNamespace).DefaultNamespace().AllNamespaces(allNamespaces).
			FilenameParam(enforceNamespace, filenames...).
			SelectorParam(selector).
			ResourceTypeOrNameArgs(true, args...).
			SingleResourceType().
			Latest().
			Do()
		if err != nil {
			return err
		}
		infos, err := r.Infos()
		if err != nil {
			return err
		}
		if len(infos) != 1 {
			return fmt.Errorf("watch is only supported on a single resource - %d resources were found", len(infos))
		}
		info := infos[0]
		mapping := info.ResourceMapping()
		printer, err := f.PrinterForMapping(cmd, mapping, allNamespaces)
		if err != nil {
			return err
		}

		obj, err := r.Object()
		if err != nil {
			return err
		}
		rv, err := mapping.MetadataAccessor.ResourceVersion(obj)
		if err != nil {
			return err
		}

		// print the current object
		if !isWatchOnly {
			if err := printer.PrintObj(obj, out); err != nil {
				return fmt.Errorf("unable to output the provided object: %v", err)
			}
		}

		// print watched changes
		w, err := r.Watch(rv)
		if err != nil {
			return err
		}

		kubectl.WatchLoop(w, func(e watch.Event) error {
			return printer.PrintObj(e.Object, out)
		})
		return nil
	}

	b := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
		NamespaceParam(cmdNamespace).DefaultNamespace().AllNamespaces(allNamespaces).
		FilenameParam(enforceNamespace, filenames...).
		SelectorParam(selector).
		ResourceTypeOrNameArgs(true, args...).
		ContinueOnError().
		Latest()
	printer, generic, err := cmdutil.PrinterForCommand(cmd)
	if err != nil {
		return err
	}

	if generic {
		clientConfig, err := f.ClientConfig()
		if err != nil {
			return err
		}
		defaultVersion := clientConfig.Version

		singular := false
		r := b.Flatten().Do()
		infos, err := r.IntoSingular(&singular).Infos()
		if err != nil {
			return err
		}

		// the outermost object will be converted to the output-version, but inner
		// objects can use their mappings
		version := cmdutil.OutputVersion(cmd, defaultVersion)
		obj, err := resource.AsVersionedObject(infos, !singular, version)
		if err != nil {
			return err
		}

		return printer.PrintObj(obj, out)
	}

	// use the default printer for each object
	return b.Do().Visit(func(r *resource.Info) error {
		printer, err := f.PrinterForMapping(cmd, r.Mapping, allNamespaces)
		if err != nil {
			return err
		}
		return printer.PrintObj(r.Object, out)
	})
}

//.........这里部分代码省略.........
	skipped := 0
	for _, info := range infos {
		ok, err := f.UpdatePodSpecForObject(info.Object, func(spec *kapi.PodSpec) error {
			containers, _ := selectContainers(spec.Containers, containerMatch)
			if len(containers) == 0 {
				fmt.Fprintf(cmd.Out(), "warning: %s/%s does not have any containers matching %q\n", info.Mapping.Resource, info.Name, containerMatch)
				return nil
			}
			for _, c := range containers {
				c.Env = updateEnv(c.Env, env, remove)

				if list {
					fmt.Fprintf(out, "# %s %s, container %s\n", info.Mapping.Resource, info.Name, c.Name)
					for _, env := range c.Env {
						// if env.ValueFrom != nil && env.ValueFrom.FieldRef != nil {
						// 	fmt.Fprintf(cmd.Out(), "%s= # calculated from pod %s %s\n", env.Name, env.ValueFrom.FieldRef.FieldPath, env.ValueFrom.FieldRef.APIVersion)
						// 	continue
						// }
						fmt.Fprintf(out, "%s=%s\n", env.Name, env.Value)

					}
				}
			}
			return nil
		})
		if !ok {
			skipped++
			continue
		}
		if err != nil {
			fmt.Fprintf(cmd.Out(), "error: %s/%s %v\n", info.Mapping.Resource, info.Name, err)
			continue
		}
	}
	if one && skipped == len(infos) {
		return fmt.Errorf("%s/%s is not a pod or does not have a pod template", infos[0].Mapping.Resource, infos[0].Name)
	}

	if list {
		return nil
	}

	if len(outputFormat) != 0 {
		outputVersion, err := kcmdutil.OutputVersion(cmd, clientConfig.GroupVersion)
		if err != nil {
			return err
		}
		objects, err := resource.AsVersionedObjects(infos, outputVersion.String(), kapi.Codecs.LegacyCodec(outputVersion))
		if err != nil {
			return err
		}
		if len(objects) != len(infos) {
			return fmt.Errorf("could not convert all objects to API version %q", outputVersion)
		}
		p, _, err := kubectl.GetPrinter(outputFormat, "")
		if err != nil {
			return err
		}
		for _, object := range objects {
			if err := p.PrintObj(object, out); err != nil {
				return err
			}
		}
		return nil
	}

	objects, err := resource.AsVersionedObjects(infos, clientConfig.GroupVersion.String(), kapi.Codecs.LegacyCodec(*clientConfig.GroupVersion))
	if err != nil {
		return err
	}
	if len(objects) != len(infos) {
		return fmt.Errorf("could not convert all objects to API version %q", clientConfig.GroupVersion)
	}

	failed := false
	for i, info := range infos {
		newData, err := json.Marshal(objects[i])
		if err != nil {
			return err
		}
		patchBytes, err := strategicpatch.CreateTwoWayMergePatch(oldData[i], newData, objects[i])
		if err != nil {
			return err
		}
		obj, err := resource.NewHelper(info.Client, info.Mapping).Patch(info.Namespace, info.Name, kapi.StrategicMergePatchType, patchBytes)
		if err != nil {
			handlePodUpdateError(cmd.Out(), err, "environment variables")
			failed = true
			continue
		}
		info.Refresh(obj, true)

		shortOutput := kcmdutil.GetFlagString(cmd, "output") == "name"
		kcmdutil.PrintSuccess(mapper, shortOutput, out, info.Mapping.Resource, info.Name, "updated")
	}
	if failed {
		return cmdutil.ErrExit
	}
	return nil
}

func RunEdit(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, filenames []string) error {
	var printer kubectl.ResourcePrinter
	var ext string
	switch format := cmdutil.GetFlagString(cmd, "output"); format {
	case "json":
		printer = &kubectl.JSONPrinter{}
		ext = ".json"
	case "yaml":
		printer = &kubectl.YAMLPrinter{}
		ext = ".yaml"
	default:
		return cmdutil.UsageError(cmd, "The flag 'output' must be one of yaml|json")
	}

	cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
	if err != nil {
		return err
	}

	mapper, typer := f.Object()
	resourceMapper := &resource.Mapper{
		ObjectTyper:  typer,
		RESTMapper:   mapper,
		ClientMapper: resource.ClientMapperFunc(f.ClientForMapping),
		Decoder:      f.Decoder(true),
	}

	r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
		NamespaceParam(cmdNamespace).DefaultNamespace().
		FilenameParam(enforceNamespace, filenames...).
		ResourceTypeOrNameArgs(true, args...).
		Latest().
		Flatten().
		Do()
	err = r.Err()
	if err != nil {
		return err
	}

	infos, err := r.Infos()
	if err != nil {
		return err
	}

	clientConfig, err := f.ClientConfig()
	if err != nil {
		return err
	}

	encoder := f.JSONEncoder()

	windowsLineEndings := cmdutil.GetFlagBool(cmd, "windows-line-endings")
	edit := editor.NewDefaultEditor(f.EditorEnvs())
	defaultVersion, err := cmdutil.OutputVersion(cmd, clientConfig.GroupVersion)
	if err != nil {
		return err
	}
	results := editResults{}
	for {
		objs, err := resource.AsVersionedObjects(infos, defaultVersion.String(), encoder)
		if err != nil {
			return preservedFile(err, results.file, out)
		}
		// if input object is a list, traverse and edit each item one at a time
		for _, obj := range objs {
			// TODO: add an annotating YAML printer that can print inline comments on each field,
			//   including descriptions or validation errors

			// generate the file to edit
			buf := &bytes.Buffer{}
			var w io.Writer = buf
			if windowsLineEndings {
				w = util.NewCRLFWriter(w)
			}
			if err := results.header.writeTo(w); err != nil {
				return preservedFile(err, results.file, out)
			}
			if err := printer.PrintObj(obj, w); err != nil {
				return preservedFile(err, results.file, out)
			}
			original := buf.Bytes()

			// launch the editor
			edited, file, err := edit.LaunchTempFile("kubectl-edit-", ext, buf)
			if err != nil {
				return preservedFile(err, results.file, out)
			}

			// cleanup any file from the previous pass
			if len(results.file) > 0 {
				os.Remove(results.file)
			}

			glog.V(4).Infof("User edited:\n%s", string(edited))
			lines, err := hasLines(bytes.NewBuffer(edited))
			if err != nil {
				return preservedFile(err, file, out)
			}
			// Compare content without comments
			if bytes.Equal(stripComments(original), stripComments(edited)) {
//.........这里部分代码省略.........

//.........这里部分代码省略.........
			return err
		})
		return nil
	}

	r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
		NamespaceParam(cmdNamespace).DefaultNamespace().AllNamespaces(allNamespaces).
		FilenameParam(enforceNamespace, &options.FilenameOptions).
		SelectorParam(selector).
		ExportParam(export).
		ResourceTypeOrNameArgs(true, args...).
		ContinueOnError().
		Latest().
		Flatten().
		Do()
	err = r.Err()
	if err != nil {
		return err
	}

	printer, generic, err := cmdutil.PrinterForCommand(cmd)
	if err != nil {
		return err
	}

	if generic {
		clientConfig, err := f.ClientConfig()
		if err != nil {
			return err
		}

		// the outermost object will be converted to the output-version, but inner
		// objects can use their mappings
		version, err := cmdutil.OutputVersion(cmd, clientConfig.GroupVersion)
		if err != nil {
			return err
		}

		var errs []error
		singular := false
		infos, err := r.IntoSingular(&singular).Infos()
		if err != nil {
			if singular {
				return err
			}
			errs = append(errs, err)
		}
		if len(infos) == 0 {
			outputEmptyListWarning(errOut)
		}

		res := ""
		if len(infos) > 0 {
			res = infos[0].ResourceMapping().Resource
		}

		obj, err := resource.AsVersionedObject(infos, !singular, version, f.JSONEncoder())
		if err != nil {
			return err
		}

		isList := meta.IsListType(obj)
		if isList {
			filteredResourceCount, items, err := cmdutil.FilterResourceList(obj, filterFuncs, filterOpts)
			if err != nil {
				return err

//.........这里部分代码省略.........
	outputFormat := kcmdutil.GetFlagString(cmd, "output")

	for i := range infos {
		obj, ok := infos[i].Object.(*templateapi.Template)
		if !ok {
			sourceName := filename
			if len(templateName) > 0 {
				sourceName = namespace + "/" + templateName
			}
			fmt.Fprintf(cmd.Out(), "unable to parse %q, not a valid Template but %s\n", sourceName, reflect.TypeOf(infos[i].Object))
			continue
		}

		// If 'parameters' flag is set it does not do processing but only print
		// the template parameters to console for inspection.
		// If multiple templates are passed, this will print combined output for all
		// templates.
		if kcmdutil.GetFlagBool(cmd, "parameters") {
			if len(infos) > 1 {
				fmt.Fprintf(out, "\n%s:\n", obj.Name)
			}
			if err := describe.PrintTemplateParameters(obj.Parameters, out); err != nil {
				fmt.Fprintf(cmd.Out(), "error printing parameters for %q: %v\n", obj.Name, err)
			}
			continue
		}

		if label := kcmdutil.GetFlagString(cmd, "labels"); len(label) > 0 {
			lbl, err := kubectl.ParseLabels(label)
			if err != nil {
				fmt.Fprintf(cmd.Out(), "error parsing labels: %v\n", err)
				continue
			}
			if obj.ObjectLabels == nil {
				obj.ObjectLabels = make(map[string]string)
			}
			for key, value := range lbl {
				obj.ObjectLabels[key] = value
			}
		}

		// Override the values for the current template parameters
		// when user specify the --value
		if cmd.Flag("value").Changed {
			values := kcmdutil.GetFlagStringSlice(cmd, "value")
			injectUserVars(values, out, obj)
		}
		injectUserVars(valueArgs, out, obj)

		resultObj, err := client.TemplateConfigs(namespace).Create(obj)
		if err != nil {
			fmt.Fprintf(cmd.Out(), "error processing the template %q: %v\n", obj.Name, err)
			continue
		}

		if outputFormat == "describe" {
			if s, err := (&describe.TemplateDescriber{
				MetadataAccessor: meta.NewAccessor(),
				ObjectTyper:      kapi.Scheme,
				ObjectDescriber:  nil,
			}).DescribeTemplate(resultObj); err != nil {
				fmt.Fprintf(cmd.Out(), "error describing %q: %v\n", obj.Name, err)
			} else {
				fmt.Fprintf(out, s)
			}
			continue
		}
		objects = append(objects, resultObj.Objects...)
	}

	// Do not print the processed templates when asked to only show parameters or
	// describe.
	if kcmdutil.GetFlagBool(cmd, "parameters") || outputFormat == "describe" {
		return nil
	}

	p, _, err := kubectl.GetPrinter(outputFormat, "")
	if err != nil {
		return err
	}
	gv := mapping.GroupVersionKind.GroupVersion()
	version, err := kcmdutil.OutputVersion(cmd, &gv)
	if err != nil {
		return err
	}
	p = kubectl.NewVersionedPrinter(p, kapi.Scheme, version)

	// use generic output
	if kcmdutil.GetFlagBool(cmd, "raw") {
		for i := range objects {
			p.PrintObj(objects[i], out)
		}
		return nil
	}

	return p.PrintObj(&kapi.List{
		ListMeta: unversioned.ListMeta{},
		Items:    objects,
	}, out)
}