Populate distributed cache from local on first node-update

Even if the local node is the only node in the cluster, the node-update
will be for that local node.

Signed-off-by: Madhu Venugopal <madhu@socketplane.io>

ecc.go

@@ -58,7 +58,6 @@ func Start(serverMode bool, bootstrap bool, bindInterface string, dataDir string
 		return errors.New("Error starting Consul Agent")
 	case <-time.After(time.Second * 5):
 	}
-	go populateKVStoreFromCache()
 	return nil
 }
 
@@ -337,7 +336,7 @@ func deleteFromCache(storeName string, key string) eccerror {
 }
 
 func populateKVStoreFromCache() {
-	if !OfflineSupport {
+	if !OfflineSupport || started {
 		return
 	}
 	started = true
@@ -483,6 +482,11 @@ func updateNodeListeners(clusterNodes []*consulapi.Node) {
 			listener.NotifyNodeUpdate(NOTIFY_UPDATE_DELETE, deleteNode.Address)
 		}
 	}
+
+	if len(toAdd) > 0 {
+		populateKVStoreFromCache()
+	}
+
 	for _, addNode := range toAdd {
 		for _, listener := range listeners {
 			listener.NotifyNodeUpdate(NOTIFY_UPDATE_ADD, addNode.Address)