Freezer Agent Installation in Freezer

[Bassel]

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

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Release: 12.0.0.0rc2.dev2 on 2018-07-12 20:11:52
SHA: 515b7035088887ad25164fc4335b9f8e929e9c59
Source: https://opendev.org/openstack/freezer/src/doc/source/user/installation.rst
URL: https://docs.openstack.org/freezer/yoga/user/installation.html