The transport_url is required to be passed in because of limitations in oslo.messaging, as seen in the code comment here:
https://github.com/openstack/nova/blob/d9d9071af250409c0102e7a25e35d7521812172d/nova/cmd/manage.py#L1211
melwitt would be the person to ask about that, since I think she was working an oslo blueprint for this in newton.
The transport_url is required to be passed in because of limitations in oslo.messaging, as seen in the code comment here:
https:/ /github. com/openstack/ nova/blob/ d9d9071af250409 c0102e7a25e35d7 521812172d/ nova/cmd/ manage. py#L1211
melwitt would be the person to ask about that, since I think she was working an oslo blueprint for this in newton.