[infra][qe][nova] Would it be possible to host a custom cirros image somewhere for the nova-next job?

Lee Yarwood lyarwood at redhat.com
Wed Mar 3 17:33:59 UTC 2021

On Wed, 3 Mar 2021 at 13:45, Jeremy Stanley <fungi at yuggoth.org> wrote:
> On 2021-03-03 12:52:40 +0000 (+0000), Sean Mooney wrote:
> [...]
> > i know that the nodepool images are hosted publiclaly but i can
> > never remberer where. if we wraped the cirror build in a dib
> > element that might be an approch we coudl take. build it woith
> > nodepool build then mirror that to the cloud and use it.
> The images we build from Nodepool 1. are created with
> diskimage-builder (does DIB support creating Cirros images?), and
> are uploaded to Glance in all our donor-providers (are we likely to
> actually boot it directly in them?).
> > the other idea i had for this in the past was to put the image on
> > tarballs.openstack.org we have the ironic ipa image there already
> > so if we did a one of build we coud maybe see if infra were ok
> > with hosting it there and the mirroing that to our cloud providres
> > to avoid the need to pull it.
> The files hosted on the tarballs site (including the IPA images) are
> built by Zuul jobs. If you can figure out what project that job
> should reside in and a cadence to run it, that might be an option.
> > the other option might be to embed it in the nodepool images.
> > while not all jobs will need it most will so if we had a static
> > copy of it we could inject it into the image in the devstack data
> > dir or anogher whle know cache dir in the image and just have
> > devstack use that instead of downloading it.
> We already do that for official Cirros images:
> https://opendev.org/openstack/project-config/src/branch/master/nodepool/elements/cache-devstack/source-repository-images
> If you look in the build logs of a DevStack-based job, you'll see it
> check, e.g., /opt/stack/devstack/files/cirros-0.4.0-x86_64-disk.img
> and then not wget that image over the network because it exists on
> the filesystem.

Thanks both,

So this final option looks like the most promising. It would not
however involve any independent build steps in nodepool or zuul. If
infra are okay with this I can host the dev build I have with my
change applied and post a change to cache it alongside the official

Thanks again,


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