[openstack-dev] [tripleo] tripleo upstream gate outtage, was: -> gate jobs impacted RAX yum mirror

Jeremy Stanley fungi at yuggoth.org
Mon May 14 18:56:51 UTC 2018

On 2018-05-14 12:00:05 -0600 (-0600), Wesley Hayutin wrote:
> Project non-voting check jobs on the node-pool image creation job
> perhaps could be the canary in the coal mine we are seeking. Maybe
> we could see if that would be something that could be useful to
> both infra and to various OpenStack projects?

This presumes that Nodepool image builds are Zuul jobs, which they
aren't (at least not today). Long, long ago in a CI system not so
far away, our DevStack-specific image builds were in fact CI jobs
and for a while back then we did run DevStack's "smoke" tests as an
acceptance test before putting a new image into service. At the time
we discovered that even deploying DevStack was too complex and racy
to make for a viable acceptance test. The lesson we learned is that
most of the image regressions we were concerned with preventing
required testing complex enough to be a significant regression
magnet itself (Gödel's completeness theorem at work, I expect?).

That said, the idea of turning more of Nodepool's tasks into Zuul
jobs is an interesting one worthy of lengthy discussion sometime.
Jeremy Stanley
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