| // 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 grpcproxy |
| |
| import ( |
| "context" |
| "io" |
| |
| "github.com/coreos/etcd/clientv3" |
| pb "github.com/coreos/etcd/etcdserver/etcdserverpb" |
| ) |
| |
| type maintenanceProxy struct { |
| client *clientv3.Client |
| } |
| |
| func NewMaintenanceProxy(c *clientv3.Client) pb.MaintenanceServer { |
| return &maintenanceProxy{ |
| client: c, |
| } |
| } |
| |
| func (mp *maintenanceProxy) Defragment(ctx context.Context, dr *pb.DefragmentRequest) (*pb.DefragmentResponse, error) { |
| conn := mp.client.ActiveConnection() |
| return pb.NewMaintenanceClient(conn).Defragment(ctx, dr) |
| } |
| |
| func (mp *maintenanceProxy) Snapshot(sr *pb.SnapshotRequest, stream pb.Maintenance_SnapshotServer) error { |
| conn := mp.client.ActiveConnection() |
| ctx, cancel := context.WithCancel(stream.Context()) |
| defer cancel() |
| |
| ctx = withClientAuthToken(ctx, stream.Context()) |
| |
| sc, err := pb.NewMaintenanceClient(conn).Snapshot(ctx, sr) |
| if err != nil { |
| return err |
| } |
| |
| for { |
| rr, err := sc.Recv() |
| if err != nil { |
| if err == io.EOF { |
| return nil |
| } |
| return err |
| } |
| err = stream.Send(rr) |
| if err != nil { |
| return err |
| } |
| } |
| } |
| |
| func (mp *maintenanceProxy) Hash(ctx context.Context, r *pb.HashRequest) (*pb.HashResponse, error) { |
| conn := mp.client.ActiveConnection() |
| return pb.NewMaintenanceClient(conn).Hash(ctx, r) |
| } |
| |
| func (mp *maintenanceProxy) HashKV(ctx context.Context, r *pb.HashKVRequest) (*pb.HashKVResponse, error) { |
| conn := mp.client.ActiveConnection() |
| return pb.NewMaintenanceClient(conn).HashKV(ctx, r) |
| } |
| |
| func (mp *maintenanceProxy) Alarm(ctx context.Context, r *pb.AlarmRequest) (*pb.AlarmResponse, error) { |
| conn := mp.client.ActiveConnection() |
| return pb.NewMaintenanceClient(conn).Alarm(ctx, r) |
| } |
| |
| func (mp *maintenanceProxy) Status(ctx context.Context, r *pb.StatusRequest) (*pb.StatusResponse, error) { |
| conn := mp.client.ActiveConnection() |
| return pb.NewMaintenanceClient(conn).Status(ctx, r) |
| } |
| |
| func (mp *maintenanceProxy) MoveLeader(ctx context.Context, r *pb.MoveLeaderRequest) (*pb.MoveLeaderResponse, error) { |
| conn := mp.client.ActiveConnection() |
| return pb.NewMaintenanceClient(conn).MoveLeader(ctx, r) |
| } |