code: def json_2_cluster(json_obj):
          
          LOGGER.debug("Cluster.json_2_cluster")
          return Cluster(
              cid=json_obj['clusterID'],
              name=json_obj['clusterName'],
              containers_id=json_obj['clusterContainersID'],
              ignore_sync=True
          )
docs: transform json from Ariane server to local object
          :param json_obj: json from Ariane Server
          :return: transformed cluster