api.py 文件源码

def get_compute_node_by_hostname(self, context, hostname):
        query = model_query(models.ComputeNode)
        query = query.filter_by(hostname=hostname)
        try:
            return query.one()
        except NoResultFound:
            raise exception.ComputeNodeNotFound(
                compute_node=hostname)
        except MultipleResultsFound:
            raise exception.Conflict('Multiple compute nodes exist with same '
                                     'hostname. Please use the uuid instead.')