openstack domain create --description "Domain" example

Unable to establish connection to http://controller:35357/v3/auth/tokens: HTTPConnectionPool(host='controller', port=35357): Max retries exceeded with url: /v3/auth/tokens (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7f4ac6b8a8d0>: Failed to establish a new connection: [Errno 111] Connection refused',))

WARNING py.warnings [req-0e9ebaf7-705d-4946-be79-05798add8137 - - - - -] /usr/lib/python2.7/dist-packages/pycadf/identifier.py:72: UserWarning: Invalid uuid: RegionOne. To ensure interoperability, identifiers should be a valid uuid.
  'identifiers should be a valid uuid.' % (value)))