public String requestClusterAPI(String path) throws AmbariApiException, AmbariHttpException {
    return requestClusterAPI(path, "GET", null, null);
  }
Shortcut for GET method
@param path REST API path
@return response
@throws AmbariApiException
contrib/views/utils/src/main/java/org/apache/ambari/view/utils/ambari/AmbariApi.java