code: private static void updateConfKeys(Configuration conf, String suffix,
        String nameserviceId) {
      String value = conf.get(FSConstants.DFS_NAMENODE_HTTP_ADDRESS_KEY + suffix
          + (nameserviceId.isEmpty() ? "" : ("." + nameserviceId)));
      if (value != null) {
        conf.set(FSConstants.DFS_NAMENODE_HTTP_ADDRESS_KEY, value);
      }
    }
docs: For federated and avatar clusters, we need update the http key.