def METHOD_NAME(zone, cluster_name):
    logging.info("Starting data engine cluster")
    try:
        instances = GCPMeta.get_list_instances(zone, cluster_name)
        if 'items' in instances:
            for i in instances['items']:
                GCPActions.start_instance(i['name'], zone, data_engine['gcp_wrapped_csek'])
    except Exception as err:
        datalab.fab.append_result("Failed to start dataengine", str(err))
        sys.exit(1)