Golang GroupVersionKind.Version方法代碼示例

func (o objects) Kind(kind unversioned.GroupVersionKind, name string) (runtime.Object, error) {
	// TODO our test clients deal in internal versions.  We need to plumb that knowledge down here
	// we might do this via an extra function to the scheme to allow getting internal group versions
	// I'm punting for now
	kind.Version = ""

	empty, _ := o.scheme.New(kind)
	nilValue := reflect.Zero(reflect.TypeOf(empty)).Interface().(runtime.Object)

	arr, ok := o.types[kind.Kind]
	if !ok {
		if strings.HasSuffix(kind.Kind, "List") {
			itemKind := kind.Kind[:len(kind.Kind)-4]
			arr, ok := o.types[itemKind]
			if !ok {
				return empty, nil
			}
			out, err := o.scheme.New(kind)
			if err != nil {
				return nilValue, err
			}
			if err := meta.SetList(out, arr); err != nil {
				return nilValue, err
			}
			if out, err = o.scheme.Copy(out); err != nil {
				return nilValue, err
			}
			return out, nil
		}
		return nilValue, errors.NewNotFound(unversioned.GroupResource{Group: kind.Group, Resource: kind.Kind}, name)
	}

	index := o.last[kind.Kind]
	if index >= len(arr) {
		index = len(arr) - 1
	}
	if index < 0 {
		return nilValue, errors.NewNotFound(unversioned.GroupResource{Group: kind.Group, Resource: kind.Kind}, name)
	}
	out, err := o.scheme.Copy(arr[index])
	if err != nil {
		return nilValue, err
	}
	o.last[kind.Kind] = index + 1

	if status, ok := out.(*unversioned.Status); ok {
		if status.Details != nil {
			status.Details.Kind = kind.Kind
		}
		if status.Status != unversioned.StatusSuccess {
			return nilValue, &errors.StatusError{ErrStatus: *status}
		}
	}

	return out, nil
}

func (o objects) Kind(kind unversioned.GroupVersionKind, name string) (runtime.Object, error) {
	if len(kind.Version) == 0 {
		kind.Version = runtime.APIVersionInternal
	}
	empty, err := o.scheme.New(kind)
	nilValue := reflect.Zero(reflect.TypeOf(empty)).Interface().(runtime.Object)

	arr, ok := o.types[kind.Kind]
	if !ok {
		if strings.HasSuffix(kind.Kind, "List") {
			itemKind := kind.Kind[:len(kind.Kind)-4]
			arr, ok := o.types[itemKind]
			if !ok {
				return empty, nil
			}
			out, err := o.scheme.New(kind)
			if err != nil {
				return nilValue, err
			}
			if err := meta.SetList(out, arr); err != nil {
				return nilValue, err
			}
			if out, err = o.scheme.Copy(out); err != nil {
				return nilValue, err
			}
			return out, nil
		}
		return nilValue, errors.NewNotFound(unversioned.GroupResource{Group: kind.Group, Resource: kind.Kind}, name)
	}

	index := o.last[kind.Kind]
	if index >= len(arr) {
		index = len(arr) - 1
	}
	if index < 0 {
		return nilValue, errors.NewNotFound(unversioned.GroupResource{Group: kind.Group, Resource: kind.Kind}, name)
	}
	out, err := o.scheme.Copy(arr[index])
	if err != nil {
		return nilValue, err
	}
	o.last[kind.Kind] = index + 1

	if status, ok := out.(*unversioned.Status); ok {
		if status.Details != nil {
			status.Details.Kind = kind.Kind
		}
		if status.Status != unversioned.StatusSuccess {
			return nilValue, &errors.StatusError{ErrStatus: *status}
		}
	}

	return out, nil
}

// copyKindDefaults defaults dst to the value in src if dst does not have a value set.
func copyKindDefaults(dst, src *unversioned.GroupVersionKind) {
	if src == nil {
		return
	}
	// apply kind and version defaulting from provided default
	if len(dst.Kind) == 0 {
		dst.Kind = src.Kind
	}
	if len(dst.Version) == 0 && len(src.Version) > 0 {
		dst.Group = src.Group
		dst.Version = src.Version
	}
}

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.........