Avoid re-creating master pod if it is empty during sync. (#58)

Fixes #59 

pkg/cluster/pod.go

@@ -140,8 +140,7 @@ func (c *Cluster) recreatePods() error {
 	}
 	if masterPod.Name == "" {
 		c.logger.Warningln("No master pod in the cluster")
-	}
-
+	} else {
 		//TODO: do manual failover
 		//TODO: specify master, leave new master empty
 		c.logger.Infof("Recreating master pod '%s'", util.NameFromMeta(masterPod.ObjectMeta))
@@ -149,6 +148,7 @@ func (c *Cluster) recreatePods() error {
 		if err := c.recreatePod(masterPod); err != nil {
 			return fmt.Errorf("could not recreate master pod '%s': %v", util.NameFromMeta(masterPod.ObjectMeta), err)
 		}
+	}
 
 	return nil
 }