optimize for submission from clustered master nodes

go/weed/weed_server/master_server.go

@@ -62,7 +62,7 @@ func NewMasterServer(r *mux.Router, version string, port int, metaFolder string,
 	r.HandleFunc("/vol/grow", ms.proxyToLeader(secure(ms.whiteList, ms.volumeGrowHandler)))
 	r.HandleFunc("/vol/status", ms.proxyToLeader(secure(ms.whiteList, ms.volumeStatusHandler)))
 	r.HandleFunc("/vol/vacuum", ms.proxyToLeader(secure(ms.whiteList, ms.volumeVacuumHandler)))
-	r.HandleFunc("/submit", ms.proxyToLeader(secure(ms.whiteList, ms.submitFromMasterServerHandler)))
+	r.HandleFunc("/submit", secure(ms.whiteList, ms.submitFromMasterServerHandler))
 	r.HandleFunc("/", ms.redirectHandler)
 
 	ms.topo.StartRefreshWritableVolumes(garbageThreshold)
@@ -74,9 +74,13 @@ func (ms *MasterServer) SetRaftServer(raftServer *RaftServer) {
 	ms.raftServer = raftServer
 }
 
+func (ms *MasterServer) IsLeader() bool {
+	return ms.raftServer == nil || ms.raftServer.IsLeader()
+}
+
 func (ms *MasterServer) proxyToLeader(f func(w http.ResponseWriter, r *http.Request)) func(w http.ResponseWriter, r *http.Request) {
 	return func(w http.ResponseWriter, r *http.Request) {
-		if ms.raftServer == nil || ms.raftServer.IsLeader() {
+		if ms.IsLeader() {
 			f(w, r)
 		} else {
 			targetUrl, err := url.Parse("http://" + ms.raftServer.Leader())

go/weed/weed_server/master_server_handlers.go

@@ -164,5 +164,9 @@ func (ms *MasterServer) redirectHandler(w http.ResponseWriter, r *http.Request)
 }
 
 func (ms *MasterServer) submitFromMasterServerHandler(w http.ResponseWriter, r *http.Request) {
-	submitForClientHandler(w, r, "localhost:"+strconv.Itoa(ms.port))
+	if ms.IsLeader() {
+		submitForClientHandler(w, r, "localhost:"+strconv.Itoa(ms.port))
+	} else {
+		submitForClientHandler(w, r, ms.raftServer.Leader())
+	}
 }