On Mon, Apr 9, 2018 at 5:55 PM James E. Blair <cor...@inaugust.com> wrote:

> Hi,
>
> We recently fixed a subtle but important bug related to how Zuul checks
> out repositories it uses to find Ansible roles for jobs.
>

\o/


>
> This may result in a behavior change, or even an error, for jobs which
> use roles defined in projects with multiple branches.
>
> Previously, Zuul would (with some exceptions) generally check out the
> 'master' branch of any repository which appeared in the 'roles:' stanza
> in the job definition.  Now Zuul will follow its usual procedure of
> trying to find the most appropriate branch to check out.  That means it
> tries the project override-checkout branch first, then the job
> override-checkout branch, then the branch of the change, and finally the
> default branch of the project.
>
> This should produce more predictable behavior which matches the
> checkouts of all other projects involved in a job.
>
> If you find that the wrong branch of a role is being checked out,
> depending on circumstances, you may need to set a job or project
> override-checkout value to force the correct one, or you may need to
> backport a role to an older branch.
>
> If you encounter any problems related to this, please chat with us in
> #openstack-infra.
>
>
Thanks a lot Jim for fixing this!

With this in place I can now continue the work on devstack, tempest and
grenade base roles and jobs for zuul v3.
Next steps (in order of dependency):
- backport ansible devstack changes to queens and pike
- start using the "orchestrate-devstack" role in the "devstack-tempest" base
  job - so that it can be used for multinode jobs as well
- continue the work on setting up a grenade zuulv3 job

Andrea Frittoli (andreaf)



> Thanks,
>
> Jim
>
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