Golang generic.ObjectMetaFieldsSet函数代码示例

// EndpointsAttributes returns the attributes of an endpoint such that a
// generic.SelectionPredicate can match appropriately.
func EndpointsAttributes(obj runtime.Object) (objLabels labels.Set, objFields fields.Set, err error) {
	endpoints, ok := obj.(*api.Endpoints)
	if !ok {
		return nil, nil, fmt.Errorf("invalid object type %#v", obj)
	}
	return endpoints.Labels, generic.ObjectMetaFieldsSet(endpoints.ObjectMeta, true), nil
}

// JobSelectableFields returns a field set that represents the object for matching purposes.
func JobToSelectableFields(job *extensions.Job) fields.Set {
	objectMetaFieldsSet := generic.ObjectMetaFieldsSet(job.ObjectMeta, true)
	specificFieldsSet := fields.Set{
		"status.successful": strconv.Itoa(job.Status.Succeeded),
	}
	return generic.MergeFieldsSets(objectMetaFieldsSet, specificFieldsSet)
}

// ControllerToSelectableFields returns a field set that represents the object.
func ControllerToSelectableFields(controller *api.ReplicationController) fields.Set {
	objectMetaFieldsSet := generic.ObjectMetaFieldsSet(controller.ObjectMeta, true)
	controllerSpecificFieldsSet := fields.Set{
		"status.replicas": strconv.Itoa(int(controller.Status.Replicas)),
	}
	return generic.MergeFieldsSets(objectMetaFieldsSet, controllerSpecificFieldsSet)
}

// NodeToSelectableFields returns a field set that represents the object.
func NodeToSelectableFields(node *api.Node) fields.Set {
	objectMetaFieldsSet := generic.ObjectMetaFieldsSet(&node.ObjectMeta, false)
	specificFieldsSet := fields.Set{
		"spec.unschedulable": fmt.Sprint(node.Spec.Unschedulable),
	}
	return generic.MergeFieldsSets(objectMetaFieldsSet, specificFieldsSet)
}

func getAttrs(obj runtime.Object) (objLabels labels.Set, objFields fields.Set, err error) {
	event, ok := obj.(*api.Event)
	if !ok {
		return nil, nil, errors.NewInternalError(fmt.Errorf("object is not of type event: %#v", obj))
	}
	l := event.Labels
	if l == nil {
		l = labels.Set{}
	}

	objectMetaFieldsSet := generic.ObjectMetaFieldsSet(event.ObjectMeta, true)
	specificFieldsSet := fields.Set{
		"involvedObject.kind":            event.InvolvedObject.Kind,
		"involvedObject.namespace":       event.InvolvedObject.Namespace,
		"involvedObject.name":            event.InvolvedObject.Name,
		"involvedObject.uid":             string(event.InvolvedObject.UID),
		"involvedObject.apiVersion":      event.InvolvedObject.APIVersion,
		"involvedObject.resourceVersion": event.InvolvedObject.ResourceVersion,
		"involvedObject.fieldPath":       event.InvolvedObject.FieldPath,
		"reason":                         event.Reason,
		"source":                         event.Source.Component,
		"type":                           event.Type,
	}
	return l, generic.MergeFieldsSets(objectMetaFieldsSet, specificFieldsSet), nil
}

// SelectableFields returns a label set that can be used for filter selection
func SelectableFields(obj *api.Secret) labels.Set {
	objectMetaFieldsSet := generic.ObjectMetaFieldsSet(obj.ObjectMeta, true)
	secretSpecificFieldsSet := fields.Set{
		"type": string(obj.Type),
	}
	return labels.Set(generic.MergeFieldsSets(objectMetaFieldsSet, secretSpecificFieldsSet))
}

// ReplicaSetToSelectableFields returns a field set that represents the object.
func ReplicaSetToSelectableFields(rs *extensions.ReplicaSet) fields.Set {
	objectMetaFieldsSet := generic.ObjectMetaFieldsSet(&rs.ObjectMeta, true)
	rsSpecificFieldsSet := fields.Set{
		"status.replicas": strconv.Itoa(int(rs.Status.Replicas)),
	}
	return generic.MergeFieldsSets(objectMetaFieldsSet, rsSpecificFieldsSet)
}

// PersistentVolumeClaimToSelectableFields returns a field set that represents the object
func PersistentVolumeClaimToSelectableFields(persistentvolumeclaim *api.PersistentVolumeClaim) fields.Set {
	objectMetaFieldsSet := generic.ObjectMetaFieldsSet(persistentvolumeclaim.ObjectMeta, true)
	specificFieldsSet := fields.Set{
		// This is a bug, but we need to support it for backward compatibility.
		"name": persistentvolumeclaim.Name,
	}
	return generic.MergeFieldsSets(objectMetaFieldsSet, specificFieldsSet)
}

// PersistentVolumeToSelectableFields returns a label set that represents the object
func PersistentVolumeToSelectableFields(persistentvolume *api.PersistentVolume) labels.Set {
	objectMetaFieldsSet := generic.ObjectMetaFieldsSet(persistentvolume.ObjectMeta, false)
	specificFieldsSet := fields.Set{
		// This is a bug, but we need to support it for backward compatibility.
		"name": persistentvolume.Name,
	}
	return labels.Set(generic.MergeFieldsSets(objectMetaFieldsSet, specificFieldsSet))
}

// PodToSelectableFields returns a field set that represents the object
// TODO: fields are not labels, and the validation rules for them do not apply.
func PodToSelectableFields(pod *api.Pod) fields.Set {
	objectMetaFieldsSet := generic.ObjectMetaFieldsSet(pod.ObjectMeta, true)
	podSpecificFieldsSet := fields.Set{
		"spec.nodeName": pod.Spec.NodeName,
		"status.phase":  string(pod.Status.Phase),
	}
	return generic.MergeFieldsSets(objectMetaFieldsSet, podSpecificFieldsSet)
}

// NamespaceToSelectableFields returns a field set that represents the object
func NamespaceToSelectableFields(namespace *api.Namespace) fields.Set {
	objectMetaFieldsSet := generic.ObjectMetaFieldsSet(&namespace.ObjectMeta, false)
	specificFieldsSet := fields.Set{
		"status.phase": string(namespace.Status.Phase),
		// This is a bug, but we need to support it for backward compatibility.
		"name": namespace.Name,
	}
	return generic.MergeFieldsSets(objectMetaFieldsSet, specificFieldsSet)
}

func newTestGenericStoreRegistry(t *testing.T, hasCacheEnabled bool) (*etcdtesting.EtcdTestServer, *Store) {
	podPrefix := "/pods"
	server, sc := etcdtesting.NewUnsecuredEtcd3TestClientServer(t)
	strategy := &testRESTStrategy{api.Scheme, api.SimpleNameGenerator, true, false, true}
	sc.Codec = testapi.Default.StorageCodec()
	s, err := factory.Create(*sc)
	if err != nil {
		t.Fatalf("Error creating storage: %v", err)
	}
	if hasCacheEnabled {
		config := storage.CacherConfig{
			CacheCapacity:  10,
			Storage:        s,
			Versioner:      etcdstorage.APIObjectVersioner{},
			Type:           &api.Pod{},
			ResourcePrefix: podPrefix,
			KeyFunc:        func(obj runtime.Object) (string, error) { return storage.NoNamespaceKeyFunc(podPrefix, obj) },
			NewListFunc:    func() runtime.Object { return &api.PodList{} },
			Codec:          sc.Codec,
		}
		s = storage.NewCacherFromConfig(config)
	}

	return server, &Store{
		NewFunc:           func() runtime.Object { return &api.Pod{} },
		NewListFunc:       func() runtime.Object { return &api.PodList{} },
		QualifiedResource: api.Resource("pods"),
		CreateStrategy:    strategy,
		UpdateStrategy:    strategy,
		DeleteStrategy:    strategy,
		KeyRootFunc: func(ctx api.Context) string {
			return podPrefix
		},
		KeyFunc: func(ctx api.Context, id string) (string, error) {
			if _, ok := api.NamespaceFrom(ctx); !ok {
				return "", fmt.Errorf("namespace is required")
			}
			return path.Join(podPrefix, id), nil
		},
		ObjectNameFunc: func(obj runtime.Object) (string, error) { return obj.(*api.Pod).Name, nil },
		PredicateFunc: func(label labels.Selector, field fields.Selector) *generic.SelectionPredicate {
			return &generic.SelectionPredicate{
				Label: label,
				Field: field,
				GetAttrs: func(obj runtime.Object) (labels.Set, fields.Set, error) {
					pod, ok := obj.(*api.Pod)
					if !ok {
						return nil, nil, fmt.Errorf("not a pod")
					}
					return labels.Set(pod.ObjectMeta.Labels), generic.ObjectMetaFieldsSet(pod.ObjectMeta, true), nil
				},
			}
		},
		Storage: s,
	}
}

// EventToSelectableFields returns a field set that represents the object
func EventToSelectableFields(event *api.Event) fields.Set {
	objectMetaFieldsSet := generic.ObjectMetaFieldsSet(&event.ObjectMeta, true)
	specificFieldsSet := fields.Set{
		"involvedObject.kind":            event.InvolvedObject.Kind,
		"involvedObject.namespace":       event.InvolvedObject.Namespace,
		"involvedObject.name":            event.InvolvedObject.Name,
		"involvedObject.uid":             string(event.InvolvedObject.UID),
		"involvedObject.apiVersion":      event.InvolvedObject.APIVersion,
		"involvedObject.resourceVersion": event.InvolvedObject.ResourceVersion,
		"involvedObject.fieldPath":       event.InvolvedObject.FieldPath,
		"reason":                         event.Reason,
		"source":                         event.Source.Component,
		"type":                           event.Type,
	}
	return generic.MergeFieldsSets(objectMetaFieldsSet, specificFieldsSet)
}

func NewTestGenericStoreRegistry(t *testing.T) (*etcdtesting.EtcdTestServer, *Store) {
	podPrefix := "/pods"
	server := etcdtesting.NewEtcdTestClientServer(t)
	s := etcdstorage.NewEtcdStorage(server.Client, testapi.Default.StorageCodec(), etcdtest.PathPrefix(), false, etcdtest.DeserializationCacheSize)
	strategy := &testRESTStrategy{api.Scheme, api.SimpleNameGenerator, true, false, true}

	return server, &Store{
		NewFunc:           func() runtime.Object { return &api.Pod{} },
		NewListFunc:       func() runtime.Object { return &api.PodList{} },
		QualifiedResource: api.Resource("pods"),
		CreateStrategy:    strategy,
		UpdateStrategy:    strategy,
		DeleteStrategy:    strategy,
		KeyRootFunc: func(ctx api.Context) string {
			return podPrefix
		},
		KeyFunc: func(ctx api.Context, id string) (string, error) {
			if _, ok := api.NamespaceFrom(ctx); !ok {
				return "", fmt.Errorf("namespace is required")
			}
			return path.Join(podPrefix, id), nil
		},
		ObjectNameFunc: func(obj runtime.Object) (string, error) { return obj.(*api.Pod).Name, nil },
		PredicateFunc: func(label labels.Selector, field fields.Selector) generic.Matcher {
			return &generic.SelectionPredicate{
				Label: label,
				Field: field,
				GetAttrs: func(obj runtime.Object) (labels.Set, fields.Set, error) {
					pod, ok := obj.(*api.Pod)
					if !ok {
						return nil, nil, fmt.Errorf("not a pod")
					}
					return labels.Set(pod.ObjectMeta.Labels), generic.ObjectMetaFieldsSet(pod.ObjectMeta, true), nil
				},
			}
		},
		Storage: s,
	}
}

// StorageClassToSelectableFields returns a label set that represents the object
func StorageClassToSelectableFields(storageClass *storage.StorageClass) fields.Set {
	return generic.ObjectMetaFieldsSet(&storageClass.ObjectMeta, false)
}