Golang Factory.Printer方法代碼示例

// NewCmdGet creates a command object for the generic "get" action, which
// retrieves one or more resources from a server.
func NewCmdGet(f *cmdutil.Factory, out io.Writer) *cobra.Command {
	options := &GetOptions{}

	// retrieve a list of handled resources from printer as valid args
	validArgs := []string{}
	p, err := f.Printer(nil, false, false, false, false, []string{})
	cmdutil.CheckErr(err)
	if p != nil {
		validArgs = p.HandledResources()
	}

	cmd := &cobra.Command{
		Use:     "get [(-o|--output=)json|yaml|wide|go-template=...|go-template-file=...|jsonpath=...|jsonpath-file=...] (TYPE [NAME | -l label] | TYPE/NAME ...) [flags]",
		Short:   "Display one or many resources",
		Long:    get_long,
		Example: get_example,
		Run: func(cmd *cobra.Command, args []string) {
			err := RunGet(f, out, cmd, args, options)
			cmdutil.CheckErr(err)
		},
		ValidArgs: validArgs,
	}
	cmdutil.AddPrinterFlags(cmd)
	cmd.Flags().StringP("selector", "l", "", "Selector (label query) to filter on")
	cmd.Flags().BoolP("watch", "w", false, "After listing/getting the requested object, watch for changes.")
	cmd.Flags().Bool("watch-only", false, "Watch for changes to the requested object(s), without listing/getting first.")
	cmd.Flags().Bool("all-namespaces", false, "If present, list the requested object(s) across all namespaces. Namespace in current context is ignored even if specified with --namespace.")
	cmd.Flags().StringSliceP("label-columns", "L", []string{}, "Accepts a comma separated list of labels that are going to be presented as columns. Names are case-sensitive. You can also use multiple flag statements like -L label1 -L label2...")
	usage := "Filename, directory, or URL to a file identifying the resource to get from a server."
	kubectl.AddJsonFilenameFlag(cmd, &options.Filenames, usage)
	return cmd
}

func NewCmdLabel(f *cmdutil.Factory, out io.Writer) *cobra.Command {
	options := &LabelOptions{}

	// retrieve a list of handled resources from printer as valid args
	validArgs := []string{}
	p, err := f.Printer(nil, false, false, false, false, []string{})
	cmdutil.CheckErr(err)
	if p != nil {
		validArgs = p.HandledResources()
	}

	cmd := &cobra.Command{
		Use:     "label [--overwrite] (-f FILENAME | TYPE NAME) KEY_1=VAL_1 ... KEY_N=VAL_N [--resource-version=version]",
		Short:   "Update the labels on a resource",
		Long:    fmt.Sprintf(label_long, validation.LabelValueMaxLength),
		Example: label_example,
		Run: func(cmd *cobra.Command, args []string) {
			err := RunLabel(f, out, cmd, args, options)
			cmdutil.CheckErr(err)
		},
		ValidArgs: validArgs,
	}
	cmdutil.AddPrinterFlags(cmd)
	cmd.Flags().Bool("overwrite", false, "If true, allow labels to be overwritten, otherwise reject label updates that overwrite existing labels.")
	cmd.Flags().StringP("selector", "l", "", "Selector (label query) to filter on")
	cmd.Flags().Bool("all", false, "select all resources in the namespace of the specified resource types")
	cmd.Flags().String("resource-version", "", "If non-empty, the labels update will only succeed if this is the current resource-version for the object. Only valid when specifying a single resource.")
	usage := "Filename, directory, or URL to a file identifying the resource to update the labels"
	kubectl.AddJsonFilenameFlag(cmd, &options.Filenames, usage)
	cmd.Flags().Bool("dry-run", false, "If true, only print the object that would be sent, without sending it.")

	return cmd
}

func NewCmdDelete(f *cmdutil.Factory, out io.Writer) *cobra.Command {
	options := &DeleteOptions{}

	// retrieve a list of handled resources from printer as valid args
	validArgs := []string{}
	p, err := f.Printer(nil, false, false, false, false, []string{})
	cmdutil.CheckErr(err)
	if p != nil {
		validArgs = p.HandledResources()
	}

	cmd := &cobra.Command{
		Use:     "delete ([-f FILENAME] | TYPE [(NAME | -l label | --all)])",
		Short:   "Delete resources by filenames, stdin, resources and names, or by resources and label selector.",
		Long:    delete_long,
		Example: delete_example,
		Run: func(cmd *cobra.Command, args []string) {
			cmdutil.CheckErr(cmdutil.ValidateOutputArgs(cmd))
			err := RunDelete(f, out, cmd, args, options)
			cmdutil.CheckErr(err)
		},
		ValidArgs: validArgs,
	}
	usage := "Filename, directory, or URL to a file containing the resource to delete."
	kubectl.AddJsonFilenameFlag(cmd, &options.Filenames, usage)
	cmd.Flags().StringP("selector", "l", "", "Selector (label query) to filter on.")
	cmd.Flags().Bool("all", false, "[-all] to select all the specified resources.")
	cmd.Flags().Bool("ignore-not-found", false, "Treat \"resource not found\" as a successful delete. Defaults to \"true\" when --all is specified.")
	cmd.Flags().Bool("cascade", true, "If true, cascade the deletion of the resources managed by this resource (e.g. Pods created by a ReplicationController).  Default true.")
	cmd.Flags().Int("grace-period", -1, "Period of time in seconds given to the resource to terminate gracefully. Ignored if negative.")
	cmd.Flags().Duration("timeout", 0, "The length of time to wait before giving up on a delete, zero means determine a timeout from the size of the object")
	cmdutil.AddOutputFlagsForMutation(cmd)
	return cmd
}