[glance][devstack][tripleo][ansible][ceph_admin] Glance moving away from single store Configuration

Alan Bishop abishop at redhat.com
Wed Apr 20 16:10:02 UTC 2022

On Mon, Apr 18, 2022 at 10:13 PM Abhishek Kekane <akekane at redhat.com> wrote:

> Hello Everyone,
> Glance has added support to configure multiple stores as a store backend
> in Stein cycle, and it is very stable now. So in upcoming cycles we are
> going to remove single store support and use multiple stores support only
> (PS. you can configure a single store using multiple stores configuration
> options). As a first step, we have started adding support in devstack
> [1][2][3] for configuring glance as multiple stores for each of the glance
> store backend. This cycle we are going to default multistore configuration
> in devstack so that our gate/check (CI) jobs should test using the same.
> Following cycles we will start removing single store support from glance
> code base.


TripleO is already relying on glance's multistore feature, even when
tripleo configures only a single store. Removing
glance's legacy single store code shouldn't have any impact on tripleo.
BTW, tripleo switched to using the multistore
feature back in Train.


> If you have any questions related to this work kindly revert back to this
> mail or you can join us in our weekly meeting, every Thursday at 1400 UTC
> #openstack-meeting IRC channel as well.
> [1] https://review.opendev.org/c/openstack/devstack/+/741654
> [2] https://review.opendev.org/c/openstack/devstack-plugin-ceph/+/741801/
> [3] https://review.opendev.org/c/openstack/devstack/+/741802
> Thank you,
> Abhishek Kekane
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