So, for the last error, it's as if we're using /v2 path[1] while we're using domain[2]
[1] https://github.com/openstack/keystoneauth/blob/master/keystoneauth1/identity/generic/base.py#L150-L153
[2] https://github.com/openstack/instack-undercloud/blob/stable/queens/instack_undercloud/undercloud.py#L2410..L2411
Continuing digging.
So, for the last error, it's as if we're using /v2 path[1] while we're using domain[2]
[1] https:/ /github. com/openstack/ keystoneauth/ blob/master/ keystoneauth1/ identity/ generic/ base.py# L150-L153
[2] https:/ /github. com/openstack/ instack- undercloud/ blob/stable/ queens/ instack_ undercloud/ undercloud. py#L2410. .L2411
Continuing digging.