Install via RDO in senlin

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: port 8777 on openstack endpoint create command is wrong and needs to be updated to 8778
- [ ] 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:

 - Ask OpenStack: http://ask.openstack.org
 - The mailing list: http://lists.openstack.org
 - IRC: 'openstack' channel on Freenode

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Release: 8.1.0.dev19 on 2019-06-28 18:10:44
SHA: 91894f9bf69c961980622c4a27163a3dec58fdfd
Source: https://opendev.org/openstack/senlin/src/doc/source/install/install-rdo.rst
URL: https://docs.openstack.org/senlin/latest/install/install-rdo.html