Management in High Availability Guide: Galera without HAProxy

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In the "Configuration tips" section there are three different deployment strategies for Galera described, one of them states:

---cut here---
Galera can be configured using one of the following strategies:
    Each instance has its own IP address:
        OpenStack services are configured with the list of these IP addresses so they can select one of the addresses from those available.
---cut here---

I know this is true for memcached, but I have been searching for hours to find something that confirms this statement for database connections in the openstack config files.
Appending a second connection string to nova.conf, for example, leads to a failing service, it can't parse the string correctly.

I would be interested in the source of the information because we would like to use it, but if this is not true - as it currently seems - this bug report should be valid.

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:

- [x] This doc is inaccurate in this way: using Galera with a list of ip addresses instead of HAProxy (with VIP) seems to be not supported by openstack configs
- [ ] 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

-----------------------------------
Release: on 2018-03-08 07:32
SHA: 6e4a615fe0524a3d9763898085b327b9b0dfd8bd
Source: https://git.openstack.org/cgit/openstack/openstack-manuals/tree/doc/ha-guide/source/shared-database-manage.rst
URL: https://docs.openstack.org/ha-guide/shared-database-manage.html

[Frank Kloeker (f-kloeker)]

page don't exists anymore. Bug track for ha-guide is now on https://storyboard.openstack.org/#!/project/openstack/ha-guide