Open Stack

Hello

As the charm-guide [1] explains, OpenStack, Ceph, OVN and supporting charms
moved from a single stable charm (for each OpenStack component) that
supported multiple OpenStack releases, to individual tracks that each
targets a specific release [2].  The current Zed release also recently [6]
became stable.

Today, we have (re)released updated individual charms to the ussuri/stable,
victoria/stable and wallaby/stable tracks.  These are derived from the
stable 21.10 charms (that supported queens -> xena).  We have also released
the Ceph octopus/stable track to support ussuri and victoria, and the
existing Ceph pacific (which was already stable) that supports wallaby (and
xena).  The full list of charms for the Xena, Victoria and Wallaby
OpenStack systems, includiong Ceph, OVN, mysql8, hacluster,
rabbitmq-server, vault and others can be seen in the docs at [3].

The ussuri, victoria, wallaby, and xena tracks have been designed to be
upgradable from the 21.10 charms if you are running the associated
OpenStack version, but please do read the docs [4] about how to go about
upgrading charms.  The relevant track (e.g. victoria/stable) is also able
to upgrade from the previous version.  Please again consult the docs [5]
for upgrading advice.

This was a significant piece of work by all those involved, so many, many
thanks to all who contributed and made this happen!

Thanks!

[1]
https://docs.openstack.org/charm-guide/latest/project/charm-delivery.html
[2]
https://juju.is/docs/olm/deploy-a-charm-from-charmhub#heading--specify-a-charmed-operator-channel
[3]
https://docs.openstack.org/charm-guide/latest/project/charm-delivery.html#channels-and-tracks-for-openstack-charms
[4]
https://docs.openstack.org/project-deploy-guide/charm-deployment-guide/latest/upgrade-charms.html
[5]
https://docs.openstack.org/project-deploy-guide/charm-deployment-guide/latest/upgrade-openstack.html
[6]
https://lists.openstack.org/pipermail/openstack-discuss/2023-January/031872.html

-- 
Alex Kavanagh
OpenStack Engineering  - Canonical Ltd
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