[kolla][operators] Kolla Ansible will switch to use Quay.io by default (instead of Docker Hub)

Mark Goddard mark at stackhpc.com
Mon Sep 13 08:51:06 UTC 2021

On Fri, 10 Sept 2021 at 19:53, Radosław Piliszek
<radoslaw.piliszek at gmail.com> wrote:
> Dear Kolla Operators,
> This is a heads-up message that Kolla Ansible will switch to using
> Quay.io instead of Docker Hub by default. [1]
> This was agreed at the last meeting unless we find obstacles not to do it.
> But it seems it's even a better option for our users from China. [2]
> Therefore the patch [1] has been proposed and will likely be merged
> and probably backported to stable branches too.
> The main reasoning behind this change is that users suffer from Docker
> Hub's limits. [3]
> You may have noticed we started (a long time ago) publishing weekly,
> instead of daily, to Docker Hub to mitigate the issue to some extent.
> However, we had to switch our CI to Quay.io anyway to really be able
> to work on the project rather than pray for luck with Docker Hub.
> Quay.io has been great for us in general so we decided to make the
> same switch for users.
> Oh, and, by the way, we publish to Quay.io daily. ;-)
> If you use your own, local registry, then you are most likely
> unaffected but make sure you set both `kolla_registry` AND
> `kolla_namespace` as we have to override both.

These should be `docker_registry` and `docker_namespace`.

Otherwise, a nicely written email :)

> Finally, kind reminder that operators of multinode and production
> clusters are strongly advised to set up their own, local registries.
> The docs show a simple minimal example of that. [4] (use option 1 from
> the current page as possibility of option 2 will be gone with the
> switch to quay.io).
> Thank you for reading up to this point!
> [1] https://review.opendev.org/c/openstack/kolla-ansible/+/808486
> [2] http://lists.openstack.org/pipermail/openstack-discuss/2021-September/024811.html
> [3] https://bugs.launchpad.net/kolla-ansible/+bug/1942134
> [4] https://docs.openstack.org/kolla-ansible/wallaby/user/multinode.html#deploy-a-registry
> -yoctozepto

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