Beispiel #1
0
// Get implements storage.Interface.Get.
func (s *store) Get(ctx context.Context, key string, out runtime.Object, ignoreNotFound bool) error {
	key = keyWithPrefix(s.pathPrefix, key)
	getResp, err := s.client.KV.Get(ctx, key)
	if err != nil {
		return err
	}

	if len(getResp.Kvs) == 0 {
		if ignoreNotFound {
			return runtime.SetZeroValue(out)
		}
		return storage.NewKeyNotFoundError(key, 0)
	}
	kv := getResp.Kvs[0]
	return decode(s.codec, s.versioner, kv.Value, out, kv.ModRevision)
}
Beispiel #2
0
func (s *store) getState(getResp *clientv3.GetResponse, key string, v reflect.Value, ignoreNotFound bool) (*objState, error) {
	state := &objState{
		obj:  reflect.New(v.Type()).Interface().(runtime.Object),
		meta: &storage.ResponseMeta{},
	}
	if len(getResp.Kvs) == 0 {
		if !ignoreNotFound {
			return nil, storage.NewKeyNotFoundError(key, 0)
		}
		if err := runtime.SetZeroValue(state.obj); err != nil {
			return nil, err
		}
	} else {
		state.rev = getResp.Kvs[0].ModRevision
		state.meta.ResourceVersion = uint64(state.rev)
		state.data = getResp.Kvs[0].Value
		if err := decode(s.codec, s.versioner, state.data, state.obj, state.rev); err != nil {
			return nil, err
		}
	}
	return state, nil
}