Extend the command which extract overcloud node
information to also include network information.
The command now requires the --roles-file used
when deploying the overcloud to be passed because
this is the source for these options:
* default_route_networks
* networks_skip_config
Partial-Implements: blueprint network-data-v2-ports
Depends-On: https://review.opendev.org/772359
Change-Id: I09c886fe6bada721caac61d25d9a0915cf9aff02
ab31ba6073