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[diskimage-builder][ironic-python-agent-builder][ci][focal][ironic] ipa-builder CI jobs can't migrate to ubuntu focal nodeset


Hello again!

Thanks everyone for joining the discussion and for the advice, much
appreciated.

To summarize the current situation:
- at the moment it's not possible to build any rpm-based image on ubuntu
focal using diskimage-builder with the centos-minimal element;
- so far, we've successfully built the centos8 based ipa-ramdisk using
diskimage-builder in ironic-python-agent-builder on centos-8 nodeset, but
using the same nodeset also for testing the image (so running devstack)
would be very time expensive because of the changes involved;
- during the last ironic meeting, it has been decided to switch to the
centos element and give that a try using the ubuntu focal nodeset; main
concern about this approach is the final size of the ipa ramdisk, tests are
ongoing and it looks promising:
https://review.opendev.org/757808
https://review.opendev.org/757811
https://review.opendev.org/757812

Thanks again!

Riccardo



On Thu, Oct 8, 2020 at 6:11 PM Jeremy Stanley <fungi at yuggoth.org> wrote:

> On 2020-10-08 17:57:55 +0200 (+0200), Luigi Toscano wrote:
> [...]
> > Uhm, maybe unattended virt-install could help there?
>
> I expect that would be almost unworkable from within a virtual
> machine instance without nested virt acceleration.
> --
> Jeremy Stanley
>
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