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member.go
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member.go
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// 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 v3rpc
import (
"time"
"github.com/coreos/etcd/etcdserver"
"github.com/coreos/etcd/etcdserver/api"
"github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes"
pb "github.com/coreos/etcd/etcdserver/etcdserverpb"
"github.com/coreos/etcd/etcdserver/membership"
"github.com/coreos/etcd/pkg/types"
"golang.org/x/net/context"
)
type ClusterServer struct {
cluster api.Cluster
server etcdserver.Server
raftTimer etcdserver.RaftTimer
}
func NewClusterServer(s *etcdserver.EtcdServer) *ClusterServer {
return &ClusterServer{
cluster: s.Cluster(),
server: s,
raftTimer: s,
}
}
func (cs *ClusterServer) MemberAdd(ctx context.Context, r *pb.MemberAddRequest) (*pb.MemberAddResponse, error) {
urls, err := types.NewURLs(r.PeerURLs)
if err != nil {
return nil, rpctypes.ErrGRPCMemberBadURLs
}
now := time.Now()
m := membership.NewMember("", urls, "", &now)
if err = cs.server.AddMember(ctx, *m); err != nil {
return nil, togRPCError(err)
}
return &pb.MemberAddResponse{
Header: cs.header(),
Member: &pb.Member{ID: uint64(m.ID), PeerURLs: m.PeerURLs},
}, nil
}
func (cs *ClusterServer) MemberRemove(ctx context.Context, r *pb.MemberRemoveRequest) (*pb.MemberRemoveResponse, error) {
if err := cs.server.RemoveMember(ctx, r.ID); err != nil {
return nil, togRPCError(err)
}
return &pb.MemberRemoveResponse{Header: cs.header()}, nil
}
func (cs *ClusterServer) MemberUpdate(ctx context.Context, r *pb.MemberUpdateRequest) (*pb.MemberUpdateResponse, error) {
m := membership.Member{
ID: types.ID(r.ID),
RaftAttributes: membership.RaftAttributes{PeerURLs: r.PeerURLs},
}
if err := cs.server.UpdateMember(ctx, m); err != nil {
return nil, togRPCError(err)
}
return &pb.MemberUpdateResponse{Header: cs.header()}, nil
}
func (cs *ClusterServer) MemberList(ctx context.Context, r *pb.MemberListRequest) (*pb.MemberListResponse, error) {
membs := cs.cluster.Members()
protoMembs := make([]*pb.Member, len(membs))
for i := range membs {
protoMembs[i] = &pb.Member{
Name: membs[i].Name,
ID: uint64(membs[i].ID),
PeerURLs: membs[i].PeerURLs,
ClientURLs: membs[i].ClientURLs,
}
}
return &pb.MemberListResponse{Header: cs.header(), Members: protoMembs}, nil
}
func (cs *ClusterServer) header() *pb.ResponseHeader {
return &pb.ResponseHeader{ClusterId: uint64(cs.cluster.ID()), MemberId: uint64(cs.server.ID()), RaftTerm: cs.raftTimer.Term()}
}