transport_url not config in plugin.sh

[zhangxiaohan]

The transport_url parameter is not configured in plugin.sh, resulting in RPC error

Xjob boot log following:

<email address hidden> - Devstack <email address hidden>
   Loaded: loaded (/<email address hidden>; enabled; vendor preset: enabled)
   Active: failed (Result: exit-code) since Tue 2018-08-21 10:59:30 CST; 10s ago
  Process: 4285 ExecStart=/usr/local/bin/trio2o-xjob --config-file /etc/trio2o/xjob.conf (code=exited, status=1/FAILURE)
 Main PID: 4285 (code=exited, status=1/FAILURE)

Aug 21 10:59:30 zxh-devstack-01 trio2o-xjob[4285]: 2018-08-21 10:59:30.160 TRACE trio2o self.ensure_connection()
Aug 21 10:59:30 zxh-devstack-01 trio2o-xjob[4285]: 2018-08-21 10:59:30.160 TRACE trio2o File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/impl_rabbit.py"
Aug 21 10:59:30 zxh-devstack-01 trio2o-xjob[4285]: 2018-08-21 10:59:30.160 TRACE trio2o self.ensure(method=self.connection.connect)
Aug 21 10:59:30 zxh-devstack-01 trio2o-xjob[4285]: 2018-08-21 10:59:30.160 TRACE trio2o File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/impl_rabbit.py"
Aug 21 10:59:30 zxh-devstack-01 trio2o-xjob[4285]: 2018-08-21 10:59:30.160 TRACE trio2o raise exceptions.MessageDeliveryFailure(msg)
Aug 21 10:59:30 zxh-devstack-01 trio2o-xjob[4285]: 2018-08-21 10:59:30.160 TRACE trio2o MessageDeliveryFailure: Unable to connect to AMQP server on 127.0.0.1:5672 after None
Aug 21 10:59:30 zxh-devstack-01 trio2o-xjob[4285]: 2018-08-21 10:59:30.160 TRACE trio2o
Aug 21 10:59:30 zxh-devstack-01 systemd[1]: <email address hidden>: Main process exited, code=exited, status=1/FAILURE
Aug 21 10:59:30 zxh-devstack-01 systemd[1]: <email address hidden>: Unit entered failed state.
Aug 21 10:59:30 zxh-devstack-01 systemd[1]: <email address hidden>: Failed with result 'exit-code'.