diff --git a/vendor/github.com/coreos/etcd/proxy/grpcproxy/election.go b/vendor/github.com/coreos/etcd/proxy/grpcproxy/election.go
new file mode 100644
index 0000000..4b4a4cc
--- /dev/null
+++ b/vendor/github.com/coreos/etcd/proxy/grpcproxy/election.go
@@ -0,0 +1,65 @@
+// Copyright 2017 The etcd Lockors
+//
+// 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"
+
+	"github.com/coreos/etcd/clientv3"
+	"github.com/coreos/etcd/etcdserver/api/v3election/v3electionpb"
+)
+
+type electionProxy struct {
+	client *clientv3.Client
+}
+
+func NewElectionProxy(client *clientv3.Client) v3electionpb.ElectionServer {
+	return &electionProxy{client: client}
+}
+
+func (ep *electionProxy) Campaign(ctx context.Context, req *v3electionpb.CampaignRequest) (*v3electionpb.CampaignResponse, error) {
+	return v3electionpb.NewElectionClient(ep.client.ActiveConnection()).Campaign(ctx, req)
+}
+
+func (ep *electionProxy) Proclaim(ctx context.Context, req *v3electionpb.ProclaimRequest) (*v3electionpb.ProclaimResponse, error) {
+	return v3electionpb.NewElectionClient(ep.client.ActiveConnection()).Proclaim(ctx, req)
+}
+
+func (ep *electionProxy) Leader(ctx context.Context, req *v3electionpb.LeaderRequest) (*v3electionpb.LeaderResponse, error) {
+	return v3electionpb.NewElectionClient(ep.client.ActiveConnection()).Leader(ctx, req)
+}
+
+func (ep *electionProxy) Observe(req *v3electionpb.LeaderRequest, s v3electionpb.Election_ObserveServer) error {
+	conn := ep.client.ActiveConnection()
+	ctx, cancel := context.WithCancel(s.Context())
+	defer cancel()
+	sc, err := v3electionpb.NewElectionClient(conn).Observe(ctx, req)
+	if err != nil {
+		return err
+	}
+	for {
+		rr, err := sc.Recv()
+		if err != nil {
+			return err
+		}
+		if err = s.Send(rr); err != nil {
+			return err
+		}
+	}
+}
+
+func (ep *electionProxy) Resign(ctx context.Context, req *v3electionpb.ResignRequest) (*v3electionpb.ResignResponse, error) {
+	return v3electionpb.NewElectionClient(ep.client.ActiveConnection()).Resign(ctx, req)
+}