mechanism_h3c.py 文件源码

def _get_agent_by_type_and_host(self, context, agent_type, host):
        query = context.session.query(H3CAgent)
        try:
            agent_db = query.filter_by(agent_type=agent_type,
                                       host=host).one()
            return agent_db
        except exc.NoResultFound:
            raise ext_a.AgentNotFoundByTypeHost(agent_type=agent_type,
                                                host=host)
        except exc.MultipleResultsFound:
            raise ext_a.MultipleAgentFoundByTypeHost(agent_type=agent_type,
                                                     host=host)