*: use capnslog for grpclog

etcdserver/api/v3rpc/grpc.go

@@ -20,10 +20,16 @@ import (
 	"github.com/coreos/etcd/etcdserver"
 	"github.com/coreos/etcd/etcdserver/api"
 	pb "github.com/coreos/etcd/etcdserver/etcdserverpb"
+	"github.com/coreos/pkg/capnslog"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials"
+	"google.golang.org/grpc/grpclog"
 )
 
+func init() {
+	grpclog.SetLogger(capnslog.NewPackageLogger("github.com/coreos/etcd/etcdserver", "v3rpc/grpc"))
+}
+
 func Server(s *etcdserver.EtcdServer, tls *tls.Config) *grpc.Server {
 	var opts []grpc.ServerOption
 	opts = append(opts, grpc.CustomCodec(&codec{}))

tools/functional-tester/etcd-tester/stresser.go

@@ -16,8 +16,6 @@ package main
 
 import (
 	"fmt"
-	"io/ioutil"
-	"log"
 	"math/rand"
 	"net"
 	"net/http"
@@ -35,7 +33,7 @@ import (
 )
 
 func init() {
-	grpclog.SetLogger(log.New(ioutil.Discard, "", 0))
+	grpclog.SetLogger(plog)
 }
 
 type Stresser interface {