Ejemplo n.º 1
0
// ResourceFromArgs expects two arguments with a given type, and extracts the fields necessary
// to uniquely locate a resource. Displays a usageError if that contract is not satisfied, or
// a generic error if any other problems occur.
func ResourceOrTypeFromArgs(cmd *cobra.Command, args []string, mapper meta.RESTMapper) (mapping *meta.RESTMapping, namespace, name string) {
	if len(args) == 0 || len(args) > 2 {
		usageError(cmd, "Must provide resource or a resource and name as command line params")
	}

	resource := kubectl.ExpandResourceShortcut(args[0])
	if len(resource) == 0 {
		usageError(cmd, "Must provide resource or a resource and name as command line params")
	}

	namespace = getKubeNamespace(cmd)
	if len(args) == 2 {
		name = args[1]
		if len(name) == 0 {
			usageError(cmd, "Must provide resource or a resource and name as command line params")
		}
	}

	version, kind, err := mapper.VersionAndKindForResource(resource)
	checkErr(err)

	mapping, err = mapper.RESTMapping(version, kind)
	checkErr(err)

	return
}
Ejemplo n.º 2
0
// ResourceFromArgsOrFile expects two arguments or a valid file with a given type, and extracts
// the fields necessary to uniquely locate a resource. Displays a usageError if that contract is
// not satisfied, or a generic error if any other problems occur.
func ResourceFromArgsOrFile(cmd *cobra.Command, args []string, filename string, typer runtime.ObjectTyper, mapper meta.RESTMapper) (mapping *meta.RESTMapping, namespace, name string) {
	// If command line args are passed in, use those preferentially.
	if len(args) > 0 && len(args) != 2 {
		usageError(cmd, "If passing in command line parameters, must be resource and name")
	}

	if len(args) == 2 {
		resource := kubectl.ExpandResourceShortcut(args[0])
		namespace = getKubeNamespace(cmd)
		name = args[1]
		if len(name) == 0 || len(resource) == 0 {
			usageError(cmd, "Must specify filename or command line params")
		}

		version, kind, err := mapper.VersionAndKindForResource(resource)
		checkErr(err)

		mapping, err = mapper.RESTMapping(version, kind)
		checkErr(err)
		return
	}

	if len(filename) == 0 {
		usageError(cmd, "Must specify filename or command line params")
	}

	mapping, namespace, name, _ = ResourceFromFile(filename, typer, mapper)
	if len(name) == 0 {
		checkErr(fmt.Errorf("The resource in the provided file has no name (or ID) defined"))
	}

	return
}