Unable to establish connection to http://controller:5000/v3/domains?: HTTPConnectionPool(host='controller', port=5000): Max retries exceeded with url: /v3/domains (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7f1f5e0cc910>: Failed to establish a new connection: [Errno -2] Name or service not known',))

This bug tracker is for errors with the documentation, use the following as a template and remove or add fields as you see fit. Convert [ ] into [x] to check boxes:

- [ ] This doc is inaccurate in this way: ______
- [ ] This is a doc addition request.
- [ ] I have a fix to the document that I can paste below including example: input and output.

If you have a troubleshooting or support issue, use the following resources:

 - The mailing list: https://lists.openstack.org
 - IRC: 'openstack' channel on OFTC

-----------------------------------
Release: 20.0.1.dev8 on 2019-04-22 12:03:56
SHA: 77c5c606c0dfd39acbd19861fd834f7655b69d70
Source: https://opendev.org/openstack/keystone/src/doc/source/cli/keystone-manage.rst
URL: https://docs.openstack.org/keystone/latest/cli/keystone-manage.html