If the cluster does not contain any indices then index templates do not survive cluster restart, closes elastic#617.

Author: kimchy

modules/elasticsearch/src/main/java/org/elasticsearch/gateway/local/LocalGateway.java

@@ -152,11 +152,6 @@ public LocalGatewayStartedShards currentStartedShards() {
             listener.onSuccess();
             return;
         }
-        if (electedState.state().metaData().indices().isEmpty()) {
-            logger.debug("no indices in metadata");
-            listener.onSuccess();
-            return;
-        }
 
         logger.debug("elected state from [{}]", electedState.node());
         final LocalGatewayMetaState state = electedState.state();
@@ -179,6 +174,10 @@ public LocalGatewayStartedShards currentStartedShards() {
             }
 
             @Override public void clusterStateProcessed(ClusterState clusterState) {
+                if (state.metaData().indices().isEmpty()) {
+                    listener.onSuccess();
+                    return;
+                }
                 // go over the meta data and create indices, we don't really need to copy over
                 // the meta data per index, since we create the index and it will be added automatically
                 for (final IndexMetaData indexMetaData : state.metaData()) {

modules/elasticsearch/src/main/java/org/elasticsearch/gateway/shared/SharedStorageGateway.java

@@ -149,6 +149,10 @@ private void updateClusterStateFromGateway(final MetaData fMetaData, final Gatew
             }
 
             @Override public void clusterStateProcessed(ClusterState clusterState) {
+                if (fMetaData.indices().isEmpty()) {
+                    listener.onSuccess();
+                    return;
+                }
                 // go over the meta data and create indices, we don't really need to copy over
                 // the meta data per index, since we create the index and it will be added automatically
                 for (final IndexMetaData indexMetaData : fMetaData) {