The node tagging Mistral workflow used by the UI is hard-coding role names, causing node assignment to fail when working with a plan that has custom roles. https://github.com/openstack/tripleo-common/blob/30d023/tripleo_common/utils/parameters.py#L19
The fix at bug 1398205 (display the roles) is needed before this one can be reproduced and fixed.
This is working in OSP11, does it need to be tested in 10 or can we close it?
It looks like this was backported as far as stable/newton (OSP10) though the BZ never was targeted to a release. I'm fine with doing the QA on either release/closing if you tested it already.
This is already fixed.