Golang GroupVersionKind.GroupKind方法代碼示例

// checkNamespace makes sure that the scope of gvk matches ns. It
// returns an error if namespace is empty but gvk is a namespaced
// kind, or if ns is non-empty and gvk is a namespaced kind.
func checkNamespace(gvk unversioned.GroupVersionKind, ns string) error {
	group, err := registered.Group(gvk.Group)
	if err != nil {
		return err
	}
	mapping, err := group.RESTMapper.RESTMapping(gvk.GroupKind(), gvk.Version)
	if err != nil {
		return err
	}
	switch mapping.Scope.Name() {
	case meta.RESTScopeNameRoot:
		if ns != "" {
			return fmt.Errorf("namespace specified for a non-namespaced kind %s", gvk)
		}
	case meta.RESTScopeNameNamespace:
		if ns == "" {
			// Skipping this check for Events, since
			// controllers emit events that have no namespace,
			// even though Event is a namespaced resource.
			if gvk.Kind != "Event" {
				return fmt.Errorf("no namespace specified for a namespaced kind %s", gvk)
			}
		}
	}

	return nil
}

func (n *NodeOptions) GetPrinters(gvk unversioned.GroupVersionKind) (kubectl.ResourcePrinter, error) {
	mapping, err := n.Mapper.RESTMapping(gvk.GroupKind(), gvk.Version)
	if err != nil {
		return nil, err
	}

	return n.Printer(mapping, kubectl.PrintOptions{})
}

// mappingFor returns the RESTMapping for the Kind referenced by the resource.
// prefers a fully specified GroupVersionResource match.  If we don't have one match on GroupResource
func (b *Builder) mappingFor(resourceArg string) (*meta.RESTMapping, error) {
	fullySpecifiedGVR, groupResource := unversioned.ParseResourceArg(resourceArg)
	gvk := unversioned.GroupVersionKind{}
	if fullySpecifiedGVR != nil {
		gvk, _ = b.mapper.KindFor(*fullySpecifiedGVR)
	}
	if gvk.Empty() {
		var err error
		gvk, err = b.mapper.KindFor(groupResource.WithVersion(""))
		if err != nil {
			return nil, err
		}
	}

	return b.mapper.RESTMapping(gvk.GroupKind(), gvk.Version)
}

func (n *NodeOptions) GetPrinters(gvk unversioned.GroupVersionKind) (kubectl.ResourcePrinter, kubectl.ResourcePrinter, error) {
	mapping, err := n.Mapper.RESTMapping(gvk.GroupKind(), gvk.Version)
	if err != nil {
		return nil, nil, err
	}

	printerWithHeaders, err := n.Printer(mapping, false, false, false, false, false, false, []string{})
	if err != nil {
		return nil, nil, err
	}
	printerNoHeaders, err := n.Printer(mapping, true, false, false, false, false, false, []string{})
	if err != nil {
		return nil, nil, err
	}
	return printerWithHeaders, printerNoHeaders, nil
}

func (a *APIInstaller) registerResourceHandlers(path string, storage rest.Storage, ws *restful.WebService, proxyHandler http.Handler) (*unversioned.APIResource, error) {
	admit := a.group.Admit
	context := a.group.Context

	optionsExternalVersion := a.group.GroupVersion
	if a.group.OptionsExternalVersion != nil {
		optionsExternalVersion = *a.group.OptionsExternalVersion
	}

	var resource, subresource string
	switch parts := strings.Split(path, "/"); len(parts) {
	case 2:
		resource, subresource = parts[0], parts[1]
	case 1:
		resource = parts[0]
	default:
		// TODO: support deeper paths
		return nil, fmt.Errorf("api_installer allows only one or two segment paths (resource or resource/subresource)")
	}
	hasSubresource := len(subresource) > 0

	object := storage.New()
	fqKinds, err := a.group.Typer.ObjectKinds(object)
	if err != nil {
		return nil, err
	}
	// a given go type can have multiple potential fully qualified kinds.  Find the one that corresponds with the group
	// we're trying to register here
	fqKindToRegister := unversioned.GroupVersionKind{}
	for _, fqKind := range fqKinds {
		if fqKind.Group == a.group.GroupVersion.Group {
			fqKindToRegister = fqKind
			break
		}

		// TODO This keeps it doing what it was doing before, but it doesn't feel right.
		if fqKind.Group == extensions.GroupName && fqKind.Kind == "ThirdPartyResourceData" {
			fqKindToRegister = fqKind
			fqKindToRegister.Group = a.group.GroupVersion.Group
			fqKindToRegister.Version = a.group.GroupVersion.Version
		}
	}

	if fqKindToRegister.IsEmpty() {
		return nil, fmt.Errorf("unable to locate fully qualified kind for %v: found %v when registering for %v", reflect.TypeOf(object), fqKinds, a.group.GroupVersion)
	}
	kind := fqKindToRegister.Kind

	versionedPtr, err := a.group.Creater.New(a.group.GroupVersion.WithKind(kind))
	if err != nil {
		return nil, err
	}
	versionedObject := indirectArbitraryPointer(versionedPtr)

	mapping, err := a.group.Mapper.RESTMapping(fqKindToRegister.GroupKind(), a.group.GroupVersion.Version)
	if err != nil {
		return nil, err
	}

	// subresources must have parent resources, and follow the namespacing rules of their parent
	if hasSubresource {
		parentStorage, ok := a.group.Storage[resource]
		if !ok {
			return nil, fmt.Errorf("subresources can only be declared when the parent is also registered: %s needs %s", path, resource)
		}
		parentObject := parentStorage.New()

		parentFQKinds, err := a.group.Typer.ObjectKinds(parentObject)
		if err != nil {
			return nil, err
		}
		// a given go type can have multiple potential fully qualified kinds.  Find the one that corresponds with the group
		// we're trying to register here
		parentFQKindToRegister := unversioned.GroupVersionKind{}
		for _, fqKind := range parentFQKinds {
			if fqKind.Group == a.group.GroupVersion.Group {
				parentFQKindToRegister = fqKind
				break
			}
		}
		if parentFQKindToRegister.IsEmpty() {
			return nil, fmt.Errorf("unable to locate fully qualified kind for %v: found %v when registering for %v", reflect.TypeOf(object), fqKinds, a.group.GroupVersion)
		}

		parentMapping, err := a.group.Mapper.RESTMapping(parentFQKindToRegister.GroupKind(), a.group.GroupVersion.Version)
		if err != nil {
			return nil, err
		}
		mapping.Scope = parentMapping.Scope
	}

	// what verbs are supported by the storage, used to know what verbs we support per path
	creater, isCreater := storage.(rest.Creater)
	namedCreater, isNamedCreater := storage.(rest.NamedCreater)
	lister, isLister := storage.(rest.Lister)
	getter, isGetter := storage.(rest.Getter)
	getterWithOptions, isGetterWithOptions := storage.(rest.GetterWithOptions)
	deleter, isDeleter := storage.(rest.Deleter)
	gracefulDeleter, isGracefulDeleter := storage.(rest.GracefulDeleter)
	collectionDeleter, isCollectionDeleter := storage.(rest.CollectionDeleter)
//.........這裏部分代碼省略.........