Comment from @rduncan-t:
domain users cannot use the murano API murano should support keystone version 3 and use and unversioned auth URL, keystone presents http 300 'multiple choices' on the unversioned endpoint.
Comment from @rduncan-t:
domain users cannot use the murano API
murano should support keystone version 3 and use and unversioned auth URL, keystone presents http 300 'multiple choices' on the unversioned endpoint.