Open Stack

On Wed, 2017-03-22 at 13:35 +0100, Flavio Percoco wrote:
> On 22/03/17 13:32 +0100, Flavio Percoco wrote:
> > On 21/03/17 23:15 -0400, Emilien Macchi wrote:
> > > Hey,
> > > 
> > > I've noticed that container jobs look pretty unstable lately; to
> > > me,
> > > it sounds like a timeout:
> > > http://logs.openstack.org/19/447319/2/check-tripleo/gate-tripleo-
> > > ci-centos-7-ovb-containers-oooq-nv/bca496a/console.html#_2017-03-
> > > 22_00_08_55_358973
> > 
> > There are different hypothesis on what is going on here. Some
> > patches have
> > landed to improve the write performance on containers by using
> > hostpath mounts
> > but we think the real slowness is coming from the images download.
> > 
> > This said, this is still under investigation and the containers
> > squad will
> > report back as soon as there are new findings.
> 
> Also, to be more precise, Martin André is looking into this. He also
> fixed the
> gate in the last 2 weeks.

I spoke w/ Martin on IRC. He seems to think this is the cause of some
of the failures:

http://logs.openstack.org/32/446432/1/check-tripleo/gate-tripleo-ci-cen
tos-7-ovb-containers-oooq-nv/543bc80/logs/oooq/overcloud-controller-
0/var/log/extra/docker/containers/heat_engine/log/heat/heat-
engine.log.txt.gz#_2017-03-21_20_26_29_697


Looks like Heat isn't able to create Nova instances in the overcloud
due to "Host 'overcloud-novacompute-0' is not mapped to any cell'. This
means our cells initialization code for containers may not be quite
right... or there is a race somewhere.

Dan

> 
> Flavio
> 
> 
> 
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