def METHOD_NAME(self, request, project_id):
    """exist configmap list
    NOTE: perm is ignore in the stage
    """
    cluster_data = self._get_cluster_list(request, project_id)
    project_configmap_list = []
    for cluster in cluster_data:
        configmap_list = self._get_configmaps(request, project_id, cluster)
        project_configmap_list.extend(configmap_list)
    return Response({'data': project_configmap_list, 'code': ErrorCode.NoError})