change sync endpoints to synchronous calls

app/app.go

@@ -120,17 +120,17 @@ func Run() {
 	})
 
 	router.POST("/sync", func(c *gin.Context) {
-		go func() {
+		//go func() {
 		start := time.Now()
 		log.Printf("Starting cluster sync\n")
 		cluster.Sync()
 		log.Printf("Synced cluster in %fs\n", time.Since(start).Seconds())
-		}()
+		//}()
 	})
 
 	router.POST("/nodes/:node/sync", func(c *gin.Context) {
 		nodeid := c.Param("node")
-		go func() {
+		//go func() {
 		start := time.Now()
 		log.Printf("Starting %s sync\n", nodeid)
 		err := cluster.RebuildHost(nodeid)
@@ -141,7 +141,7 @@ func Run() {
 			log.Printf("Synced %s in %fs\n", nodeid, time.Since(start).Seconds())
 			return
 		}
-		}()
+		//}()
 	})
 
 	router.POST("/nodes/:node/instances/:vmid/sync", func(c *gin.Context) {
@@ -152,7 +152,7 @@ func Run() {
 			return
 		}
 
-		go func() {
+		//go func() {
 		start := time.Now()
 		log.Printf("Starting %s.%d sync\n", nodeid, vmid)
 
@@ -176,7 +176,7 @@ func Run() {
 			log.Printf("Synced %s.%d in %fs\n", nodeid, vmid, time.Since(start).Seconds())
 			return
 		}
-		}()
+		//}()
 	})
 
 	router.Run("0.0.0.0:" + strconv.Itoa(config.ListenPort))

app/model.go

@@ -253,8 +253,6 @@ func (instance *Instance) RebuildBoot() {
 		eligibleBoot[string(k)] = true
 	}
 
-	log.Println(eligibleBoot)
-
 	x := strings.Split(instance.configBoot, "order=") // should be a;b;c;d ...
 	if len(x) == 2 {
 		y := strings.Split(x[1], ";")