embed: support structured logging in "v2http"

Signed-off-by: Gyuho Lee <gyuhox@gmail.com>

embed/etcd.go

@@ -635,9 +635,9 @@ func (e *Etcd) serveClients() (err error) {
 	if e.Config().EnableV2 {
 		if len(e.Config().ExperimentalEnableV2V3) > 0 {
 			srv := v2v3.NewServer(e.cfg.logger, v3client.New(e.Server), e.cfg.ExperimentalEnableV2V3)
-			h = v2http.NewClientHandler(srv, e.Server.Cfg.ReqTimeout())
+			h = v2http.NewClientHandler(e.GetLogger(), srv, e.Server.Cfg.ReqTimeout())
 		} else {
-			h = v2http.NewClientHandler(e.Server, e.Server.Cfg.ReqTimeout())
+			h = v2http.NewClientHandler(e.GetLogger(), e.Server, e.Server.Cfg.ReqTimeout())
 		}
 	} else {
 		mux := http.NewServeMux()