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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 grpcproxy
import (
"context"
"io"
pb "go.etcd.io/etcd/api/v3/etcdserverpb"
"go.etcd.io/etcd/client/v3"
)
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)
}
func (mp *maintenanceProxy) Downgrade(ctx context.Context, r *pb.DowngradeRequest) (*pb.DowngradeResponse, error) {
conn := mp.client.ActiveConnection()
return pb.NewMaintenanceClient(conn).Downgrade(ctx, r)
}
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