196a747745
openstack role create requires a positional argument name, not optional. also this patch removes endpoint trailing /, it is redundant and I still remember once ago there is a bug reported for such issue, which leading to urls like http://localhost:8777//v2/meters: double slashes Change-Id: I973a3f60d8bd8f2bc4f8aa9f19c2ce47cd8b8f18