fix broken master health checking

weed/server/common.go

@@ -170,6 +170,11 @@ func parseURLPath(path string) (vid, fid, filename, ext string, isVolumeIdOnly b
 	return
 }
 
+func statsHealthHandler(w http.ResponseWriter, r *http.Request) {
+	m := make(map[string]interface{})
+	m["Version"] = util.VERSION
+	writeJsonQuiet(w, r, http.StatusOK, m)
+}
 func statsCounterHandler(w http.ResponseWriter, r *http.Request) {
 	m := make(map[string]interface{})
 	m["Version"] = util.VERSION

weed/server/filer_server.go

@@ -185,7 +185,7 @@ func (fs *FilerServer) detectHealthyMaster(masterNode string) (master string, e
 }
 
 func checkMaster(masterNode string) error {
-	statUrl := "http://" + masterNode + "/stats"
+	statUrl := "http://" + masterNode + "/stats/health"
 	glog.V(4).Infof("Connecting to %s ...", statUrl)
 	_, e := util.Get(statUrl)
 	return e

weed/server/filer_server_handlers_api.go

@@ -20,6 +20,9 @@ func (fs *FilerServer) apiHandler(w http.ResponseWriter, r *http.Request) {
 		glog.V(0).Infoln("failing to read request", r.RequestURI, request)
 		writeJsonError(w, r, http.StatusInternalServerError, err)
 	}
+
+	glog.V(2).Infof("api request: %+v", apiRequest)
+
 	switch apiRequest.Command {
 	case "lookupDirectoryEntry":
 		res := filer.LookupDirectoryEntryResult{}

weed/server/master_server.go

@@ -75,9 +75,10 @@ func NewMasterServer(r *mux.Router, port int, metaFolder string,
 	r.HandleFunc("/vol/vacuum", ms.proxyToLeader(ms.guard.WhiteList(ms.volumeVacuumHandler)))
 	r.HandleFunc("/submit", ms.guard.WhiteList(ms.submitFromMasterServerHandler))
 	r.HandleFunc("/delete", ms.guard.WhiteList(ms.deleteFromMasterServerHandler))
-	r.HandleFunc("/{fileId}", ms.proxyToLeader(ms.redirectHandler))
+	r.HandleFunc("/stats/health", ms.guard.WhiteList(statsHealthHandler))
 	r.HandleFunc("/stats/counter", ms.guard.WhiteList(statsCounterHandler))
 	r.HandleFunc("/stats/memory", ms.guard.WhiteList(statsMemoryHandler))
+	r.HandleFunc("/{fileId}", ms.proxyToLeader(ms.redirectHandler))
 
 	ms.Topo.StartRefreshWritableVolumes(garbageThreshold, ms.preallocate)