khenaidoo | 59ce9dd | 2019-11-11 13:05:32 -0500 | [diff] [blame^] | 1 | // Copyright 2016 The etcd Authors |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
| 15 | package v3rpc |
| 16 | |
| 17 | import ( |
| 18 | "context" |
| 19 | "time" |
| 20 | |
| 21 | "go.etcd.io/etcd/etcdserver" |
| 22 | "go.etcd.io/etcd/etcdserver/api" |
| 23 | "go.etcd.io/etcd/etcdserver/api/membership" |
| 24 | "go.etcd.io/etcd/etcdserver/api/v3rpc/rpctypes" |
| 25 | pb "go.etcd.io/etcd/etcdserver/etcdserverpb" |
| 26 | "go.etcd.io/etcd/pkg/types" |
| 27 | ) |
| 28 | |
| 29 | type ClusterServer struct { |
| 30 | cluster api.Cluster |
| 31 | server etcdserver.ServerV3 |
| 32 | } |
| 33 | |
| 34 | func NewClusterServer(s etcdserver.ServerV3) *ClusterServer { |
| 35 | return &ClusterServer{ |
| 36 | cluster: s.Cluster(), |
| 37 | server: s, |
| 38 | } |
| 39 | } |
| 40 | |
| 41 | func (cs *ClusterServer) MemberAdd(ctx context.Context, r *pb.MemberAddRequest) (*pb.MemberAddResponse, error) { |
| 42 | urls, err := types.NewURLs(r.PeerURLs) |
| 43 | if err != nil { |
| 44 | return nil, rpctypes.ErrGRPCMemberBadURLs |
| 45 | } |
| 46 | |
| 47 | now := time.Now() |
| 48 | var m *membership.Member |
| 49 | if r.IsLearner { |
| 50 | m = membership.NewMemberAsLearner("", urls, "", &now) |
| 51 | } else { |
| 52 | m = membership.NewMember("", urls, "", &now) |
| 53 | } |
| 54 | membs, merr := cs.server.AddMember(ctx, *m) |
| 55 | if merr != nil { |
| 56 | return nil, togRPCError(merr) |
| 57 | } |
| 58 | |
| 59 | return &pb.MemberAddResponse{ |
| 60 | Header: cs.header(), |
| 61 | Member: &pb.Member{ |
| 62 | ID: uint64(m.ID), |
| 63 | PeerURLs: m.PeerURLs, |
| 64 | IsLearner: m.IsLearner, |
| 65 | }, |
| 66 | Members: membersToProtoMembers(membs), |
| 67 | }, nil |
| 68 | } |
| 69 | |
| 70 | func (cs *ClusterServer) MemberRemove(ctx context.Context, r *pb.MemberRemoveRequest) (*pb.MemberRemoveResponse, error) { |
| 71 | membs, err := cs.server.RemoveMember(ctx, r.ID) |
| 72 | if err != nil { |
| 73 | return nil, togRPCError(err) |
| 74 | } |
| 75 | return &pb.MemberRemoveResponse{Header: cs.header(), Members: membersToProtoMembers(membs)}, nil |
| 76 | } |
| 77 | |
| 78 | func (cs *ClusterServer) MemberUpdate(ctx context.Context, r *pb.MemberUpdateRequest) (*pb.MemberUpdateResponse, error) { |
| 79 | m := membership.Member{ |
| 80 | ID: types.ID(r.ID), |
| 81 | RaftAttributes: membership.RaftAttributes{PeerURLs: r.PeerURLs}, |
| 82 | } |
| 83 | membs, err := cs.server.UpdateMember(ctx, m) |
| 84 | if err != nil { |
| 85 | return nil, togRPCError(err) |
| 86 | } |
| 87 | return &pb.MemberUpdateResponse{Header: cs.header(), Members: membersToProtoMembers(membs)}, nil |
| 88 | } |
| 89 | |
| 90 | func (cs *ClusterServer) MemberList(ctx context.Context, r *pb.MemberListRequest) (*pb.MemberListResponse, error) { |
| 91 | membs := membersToProtoMembers(cs.cluster.Members()) |
| 92 | return &pb.MemberListResponse{Header: cs.header(), Members: membs}, nil |
| 93 | } |
| 94 | |
| 95 | func (cs *ClusterServer) MemberPromote(ctx context.Context, r *pb.MemberPromoteRequest) (*pb.MemberPromoteResponse, error) { |
| 96 | membs, err := cs.server.PromoteMember(ctx, r.ID) |
| 97 | if err != nil { |
| 98 | return nil, togRPCError(err) |
| 99 | } |
| 100 | return &pb.MemberPromoteResponse{Header: cs.header(), Members: membersToProtoMembers(membs)}, nil |
| 101 | } |
| 102 | |
| 103 | func (cs *ClusterServer) header() *pb.ResponseHeader { |
| 104 | return &pb.ResponseHeader{ClusterId: uint64(cs.cluster.ID()), MemberId: uint64(cs.server.ID()), RaftTerm: cs.server.Term()} |
| 105 | } |
| 106 | |
| 107 | func membersToProtoMembers(membs []*membership.Member) []*pb.Member { |
| 108 | protoMembs := make([]*pb.Member, len(membs)) |
| 109 | for i := range membs { |
| 110 | protoMembs[i] = &pb.Member{ |
| 111 | Name: membs[i].Name, |
| 112 | ID: uint64(membs[i].ID), |
| 113 | PeerURLs: membs[i].PeerURLs, |
| 114 | ClientURLs: membs[i].ClientURLs, |
| 115 | IsLearner: membs[i].IsLearner, |
| 116 | } |
| 117 | } |
| 118 | return protoMembs |
| 119 | } |