package etcd import ( "context" "fmt" "github.com/chrislusf/seaweedfs/weed/filer" ) func (store *EtcdStore) KvPut(ctx context.Context, key []byte, value []byte) (err error) { _, err = store.client.Put(ctx, string(key), string(value)) if err != nil { return fmt.Errorf("kv put: %v", err) } return nil } func (store *EtcdStore) KvGet(ctx context.Context, key []byte) (value []byte, err error) { resp, err := store.client.Get(ctx, string(key)) if err != nil { return nil, fmt.Errorf("kv get: %v", err) } if len(resp.Kvs) == 0 { return nil, filer.ErrKvNotFound } return resp.Kvs[0].Value, nil } func (store *EtcdStore) KvDelete(ctx context.Context, key []byte) (err error) { _, err = store.client.Delete(ctx, string(key)) if err != nil { return fmt.Errorf("kv delete: %v", err) } return nil }