Beispiel #1
0
// ObjectReaction returns a ReactionFunc that takes a generic action string of the form
// <verb>-<resource> or <verb>-<subresource>-<resource> and attempts to return a runtime
// Object or error that matches the requested action. For instance, list-replicationControllers
// should attempt to return a list of replication controllers. This method delegates to the
// ObjectRetriever interface to satisfy retrieval of lists or retrieval of single items.
// TODO: add support for sub resources
func ObjectReaction(o ObjectRetriever, mapper meta.RESTMapper) ReactionFunc {

	return func(action Action) (bool, runtime.Object, error) {
		_, kind, err := mapper.VersionAndKindForResource(action.GetResource())
		if err != nil {
			return false, nil, fmt.Errorf("unrecognized action %s: %v", action.GetResource(), err)
		}

		// TODO: have mapper return a Kind for a subresource?
		switch castAction := action.(type) {
		case ListAction:
			resource, err := o.Kind(kind+"List", "")
			return true, resource, err

		case GetAction:
			resource, err := o.Kind(kind, castAction.GetName())
			return true, resource, err

		case DeleteAction:
			resource, err := o.Kind(kind, castAction.GetName())
			return true, resource, err

		case CreateAction:
			meta, err := api.ObjectMetaFor(castAction.GetObject())
			if err != nil {
				return true, nil, err
			}
			resource, err := o.Kind(kind, meta.Name)
			return true, resource, err

		case UpdateAction:
			meta, err := api.ObjectMetaFor(castAction.GetObject())
			if err != nil {
				return true, nil, err
			}
			resource, err := o.Kind(kind, meta.Name)
			return true, resource, err

		default:
			return false, nil, fmt.Errorf("no reaction implemented for %s", action)
		}

		return true, nil, nil
	}
}
Beispiel #2
0
// PrintSuccess prints message after finishing mutating operations
func PrintSuccess(mapper meta.RESTMapper, shortOutput bool, out io.Writer, resource string, name string, operation string) {
	resource, _ = mapper.ResourceSingularizer(resource)
	if shortOutput {
		// -o name: prints resource/name
		if len(resource) > 0 {
			fmt.Fprintf(out, "%s/%s\n", resource, name)
		} else {
			fmt.Fprintf(out, "%s\n", name)
		}
	} else {
		// understandable output by default
		if len(resource) > 0 {
			fmt.Fprintf(out, "%s \"%s\" %s\n", resource, name, operation)
		} else {
			fmt.Fprintf(out, "\"%s\" %s\n", name, operation)
		}
	}
}
Beispiel #3
0
// SplitAndParseResourceRequest separates the users input into a model and fields
func SplitAndParseResourceRequest(inResource string, mapper meta.RESTMapper) (string, []string, error) {
	inResource, fieldsPath := splitDotNotation(inResource)
	inResource, _ = mapper.ResourceSingularizer(expandResourceShortcut(inResource))
	return inResource, fieldsPath, nil
}