[hooks] if index-name is not configured, skip hook

hooks.py

@@ -54,7 +54,7 @@
     def precommit_event(self):
         indexer = self.cnx.vreg['es'].select('indexer', self.cnx)
         es = indexer.get_connection()
-        if es is None:
+        if es is None or not self.cnx.vreg.config['index-name']:
             log.info('no connection to ES (not configured) skip ES indexing')
             return
         for entity in self.get_data():