apiserver: set klog as etcdclient logger

staging/src/k8s.io/apiserver/pkg/storage/etcd3/BUILD

@@ -47,6 +47,7 @@ go_library(
         "errors.go",
         "event.go",
         "lease_manager.go",
+        "logger.go",
         "store.go",
         "watcher.go",
     ],

staging/src/k8s.io/apiserver/pkg/storage/etcd3/logger.go

@@ -0,0 +1,84 @@
+/*
+Copyright 2018 The Kubernetes 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 etcd3
+
+import (
+	"fmt"
+
+	"github.com/coreos/etcd/clientv3"
+	"k8s.io/klog"
+)
+
+func init() {
+	clientv3.SetLogger(klogWrapper{})
+}
+
+type klogWrapper struct{}
+
+const klogWrapperDepth = 4
+
+func (klogWrapper) Info(args ...interface{}) {
+	klog.InfoDepth(klogWrapperDepth, args...)
+}
+
+func (klogWrapper) Infoln(args ...interface{}) {
+	klog.InfoDepth(klogWrapperDepth, fmt.Sprintln(args...))
+}
+
+func (klogWrapper) Infof(format string, args ...interface{}) {
+	klog.InfoDepth(klogWrapperDepth, fmt.Sprintf(format, args...))
+}
+
+func (klogWrapper) Warning(args ...interface{}) {
+	klog.WarningDepth(klogWrapperDepth, args...)
+}
+
+func (klogWrapper) Warningln(args ...interface{}) {
+	klog.WarningDepth(klogWrapperDepth, fmt.Sprintln(args...))
+}
+
+func (klogWrapper) Warningf(format string, args ...interface{}) {
+	klog.WarningDepth(klogWrapperDepth, fmt.Sprintf(format, args...))
+}
+
+func (klogWrapper) Error(args ...interface{}) {
+	klog.ErrorDepth(klogWrapperDepth, args...)
+}
+
+func (klogWrapper) Errorln(args ...interface{}) {
+	klog.ErrorDepth(klogWrapperDepth, fmt.Sprintln(args...))
+}
+
+func (klogWrapper) Errorf(format string, args ...interface{}) {
+	klog.ErrorDepth(klogWrapperDepth, fmt.Sprintf(format, args...))
+}
+
+func (klogWrapper) Fatal(args ...interface{}) {
+	klog.FatalDepth(klogWrapperDepth, args...)
+}
+
+func (klogWrapper) Fatalln(args ...interface{}) {
+	klog.FatalDepth(klogWrapperDepth, fmt.Sprintln(args...))
+}
+
+func (klogWrapper) Fatalf(format string, args ...interface{}) {
+	klog.FatalDepth(klogWrapperDepth, fmt.Sprintf(format, args...))
+}
+
+func (klogWrapper) V(l int) bool {
+	return bool(klog.V(klog.Level(l)))
+}