First Commit of Voltha-Go-Controller from Radisys
Change-Id: I8e2e908e7ab09a4fe3d86849da18b6d69dcf4ab0
diff --git a/vendor/go.etcd.io/etcd/clientv3/cluster.go b/vendor/go.etcd.io/etcd/clientv3/cluster.go
new file mode 100644
index 0000000..785672b
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/clientv3/cluster.go
@@ -0,0 +1,114 @@
+// Copyright 2016 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package clientv3
+
+import (
+ "context"
+
+ pb "github.com/coreos/etcd/etcdserver/etcdserverpb"
+ "github.com/coreos/etcd/pkg/types"
+
+ "google.golang.org/grpc"
+)
+
+type (
+ Member pb.Member
+ MemberListResponse pb.MemberListResponse
+ MemberAddResponse pb.MemberAddResponse
+ MemberRemoveResponse pb.MemberRemoveResponse
+ MemberUpdateResponse pb.MemberUpdateResponse
+)
+
+type Cluster interface {
+ // MemberList lists the current cluster membership.
+ MemberList(ctx context.Context) (*MemberListResponse, error)
+
+ // MemberAdd adds a new member into the cluster.
+ MemberAdd(ctx context.Context, peerAddrs []string) (*MemberAddResponse, error)
+
+ // MemberRemove removes an existing member from the cluster.
+ MemberRemove(ctx context.Context, id uint64) (*MemberRemoveResponse, error)
+
+ // MemberUpdate updates the peer addresses of the member.
+ MemberUpdate(ctx context.Context, id uint64, peerAddrs []string) (*MemberUpdateResponse, error)
+}
+
+type cluster struct {
+ remote pb.ClusterClient
+ callOpts []grpc.CallOption
+}
+
+func NewCluster(c *Client) Cluster {
+ api := &cluster{remote: RetryClusterClient(c)}
+ if c != nil {
+ api.callOpts = c.callOpts
+ }
+ return api
+}
+
+func NewClusterFromClusterClient(remote pb.ClusterClient, c *Client) Cluster {
+ api := &cluster{remote: remote}
+ if c != nil {
+ api.callOpts = c.callOpts
+ }
+ return api
+}
+
+func (c *cluster) MemberAdd(ctx context.Context, peerAddrs []string) (*MemberAddResponse, error) {
+ // fail-fast before panic in rafthttp
+ if _, err := types.NewURLs(peerAddrs); err != nil {
+ return nil, err
+ }
+
+ r := &pb.MemberAddRequest{PeerURLs: peerAddrs}
+ resp, err := c.remote.MemberAdd(ctx, r, c.callOpts...)
+ if err != nil {
+ return nil, toErr(ctx, err)
+ }
+ return (*MemberAddResponse)(resp), nil
+}
+
+func (c *cluster) MemberRemove(ctx context.Context, id uint64) (*MemberRemoveResponse, error) {
+ r := &pb.MemberRemoveRequest{ID: id}
+ resp, err := c.remote.MemberRemove(ctx, r, c.callOpts...)
+ if err != nil {
+ return nil, toErr(ctx, err)
+ }
+ return (*MemberRemoveResponse)(resp), nil
+}
+
+func (c *cluster) MemberUpdate(ctx context.Context, id uint64, peerAddrs []string) (*MemberUpdateResponse, error) {
+ // fail-fast before panic in rafthttp
+ if _, err := types.NewURLs(peerAddrs); err != nil {
+ return nil, err
+ }
+
+ // it is safe to retry on update.
+ r := &pb.MemberUpdateRequest{ID: id, PeerURLs: peerAddrs}
+ resp, err := c.remote.MemberUpdate(ctx, r, c.callOpts...)
+ if err == nil {
+ return (*MemberUpdateResponse)(resp), nil
+ }
+ return nil, toErr(ctx, err)
+}
+
+func (c *cluster) MemberList(ctx context.Context) (*MemberListResponse, error) {
+ // it is safe to retry on list.
+ resp, err := c.remote.MemberList(ctx, &pb.MemberListRequest{}, c.callOpts...)
+ if err == nil {
+ return (*MemberListResponse)(resp), nil
+ }
+ return nil, toErr(ctx, err)
+}