Open Stack

On Tue, Mar 21, 2017 at 12:03 PM, Emilien Macchi <emilien at redhat.com> wrote:

> On Mon, Mar 20, 2017 at 3:29 PM, Paul Belanger <pabelanger at redhat.com>
> wrote:
> > On Sun, Mar 19, 2017 at 06:54:27PM +0200, Sagi Shnaidman wrote:
> >> Hi, Paul
> >> I would say that real worthwhile try starts from "normal" priority,
> because
> >> we want to run promotion jobs more *often*, not more *rarely* which
> happens
> >> with low priority.
> >> In addition the initial idea in the first mail was running them each
> after
> >> other almost, not once a day like it happens now or with "low" priority.
> >>
> > As I've said, my main reluctance is is how the gate will react if we
> create a
> > new pipeline with the same priority as our check pipeline.  I would much
> rather
> > since on caution, default to 'low', see how things react for a day /
> week /
> > month, then see what it would like like a normal.  I want us to be
> caution about
> > adding a new pipeline, as it dynamically changes how our existing
> pipelines
> > function.
> >
> > Further more, this is actually a capacity issue for
> tripleo-test-cloud-rh1,
> > there currently too many jobs running for the amount of hardware. If
> these jobs
> > were running on our donated clouds, we could get away with a low priority
> > periodic pipeline.
>
> multinode jobs are running under donated clouds but as you know ovb not.
> We want to keep ovb jobs in our promotion pipeline because they bring
> high value to the tests (ironic, ipv6, ssl, probably more).
>
> Another alternative would be to reduce it to one ovb job (ironic with
> introspection + ipv6 + ssl at minimum) and use the 4 multinode jobs
> into the promotion pipeline -instead of the 3 ovb.
>

I'm +1 on using one ovb jobs + 4 multinode jobs.


>
> current: 3 ovb jobs running every night
> proposal: 18 ovb jobs per day
>
> The addition will cost us 15 jobs into rh1 load. Would it be acceptable?
>
> > Now, allow me to propose another solution.
> >
> > RDO project has their own version of zuul, which has the ability to do
> periodic
> > pipelines.  Since tripleo-test-cloud-rh2 is still around, and has OVB
> ability, I
> > would suggest configuring this promoting pipeline within RDO, as to not
> affect
> > the capacity of tripleo-test-cloud-rh1.  This now means, you can
> continuously
> > enqueue jobs at a rate of 4 hours, priority shouldn't matter as you are
> the only
> > jobs running on tripleo-test-cloud-rh2, resulting in faster promotions.
>
> Using RDO would also be an option. I'm just not sure about our
> available resources, maybe other can reply on this one.
>

The purpose of the periodic jobs are two fold.
1. ensure the latest built packages work
2. ensure the tripleo check gates continue to work with out error

Running the promotion in review.rdoproject would not cover #2.  The
rdoproject jobs
would be configured in slightly different ways from upstream tripleo.
Running the promotion
in ci.centos has the same issue.

Using tripleo-testcloud-rh2 I think is fine.


>
> > This also make sense, as packaging is done in RDO, and you are
> triggering Centos
> > CI things as a result.
>
> Yes, it would make sense. Right now we have zero TripleO testing when
> doing changes in RDO packages (we only run packstack and puppet jobs
> which is not enough). Again, I think it's a problem of capacity here.
>

We made a pass at getting multinode jobs running in RDO with tripleo.  That
was
initially not very successful and we chose to instead focus on upstream.
We *do*
have it on our list to gate packages from RDO builds with tripleo.  In the
short term
that gate will use rdocloud, in the long term we'd also like to gate w/
multinode nodepool jobs in RDO.



>
> Thoughts?
>
> >> Thanks
> >>
> >> On Wed, Mar 15, 2017 at 11:16 PM, Paul Belanger <pabelanger at redhat.com>
> >> wrote:
> >>
> >> > On Wed, Mar 15, 2017 at 03:42:32PM -0500, Ben Nemec wrote:
> >> > >
> >> > >
> >> > > On 03/13/2017 02:29 PM, Sagi Shnaidman wrote:
> >> > > > Hi, all
> >> > > >
> >> > > > I submitted a change: https://review.openstack.org/#/c/443964/
> >> > > > but seems like it reached a point which requires an additional
> >> > discussion.
> >> > > >
> >> > > > I had a few proposals, it's increasing period to 12 hours instead
> of 4
> >> > > > for start, and to leave it in regular periodic *low* precedence.
> >> > > > I think we can start from 12 hours period to see how it goes,
> although
> >> > I
> >> > > > don't think that 4 only jobs will increase load on OVB cloud, it's
> >> > > > completely negligible comparing to current OVB capacity and load.
> >> > > > But making its precedence as "low" IMHO completely removes any
> sense
> >> > > > from this pipeline to be, because we already run
> experimental-tripleo
> >> > > > pipeline which this priority and it could reach timeouts like 7-14
> >> > > > hours. So let's assume we ran periodic job, it's queued to run
> now 12 +
> >> > > > "low queue length" - about 20 and more hours. It's even worse than
> >> > usual
> >> > > > periodic job and definitely makes this change useless.
> >> > > > I'd like to notice as well that those periodic jobs unlike "usual"
> >> > > > periodic are used for repository promotion and their value are
> equal or
> >> > > > higher than check jobs, so it needs to run with "normal" or even
> "high"
> >> > > > precedence.
> >> > >
> >> > > Yeah, it makes no sense from an OVB perspective to add these as low
> >> > priority
> >> > > jobs.  Once in a while we've managed to chew through the entire
> >> > experimental
> >> > > queue during the day, but with the containers job added it's very
> >> > unlikely
> >> > > that's going to happen anymore.  Right now we have a 4.5 hour wait
> time
> >> > just
> >> > > for the check queue, then there's two hours of experimental jobs
> queued
> >> > up
> >> > > behind that.  All of which means if we started a low priority
> periodic
> >> > job
> >> > > right now it probably wouldn't run until about midnight my time,
> which I
> >> > > think is when the regular periodic jobs run now.
> >> > >
> >> > Lets just give it a try? A 12 hour periodic job with low priority.
> There is
> >> > nothing saying we cannot iterate on this after a few days / weeks /
> months.
> >> >
> >> > > >
> >> > > > Thanks
> >> > > >
> >> > > >
> >> > > > On Thu, Mar 9, 2017 at 10:06 PM, Wesley Hayutin <
> whayutin at redhat.com
> >> > > > <mailto:whayutin at redhat.com>> wrote:
> >> > > >
> >> > > >
> >> > > >
> >> > > >     On Wed, Mar 8, 2017 at 1:29 PM, Jeremy Stanley <
> fungi at yuggoth.org
> >> > > >     <mailto:fungi at yuggoth.org>> wrote:
> >> > > >
> >> > > >         On 2017-03-07 10:12:58 -0500 (-0500), Wesley Hayutin
> wrote:
> >> > > >         > The TripleO team would like to initiate a conversation
> about
> >> > the
> >> > > >         > possibility of creating a new pipeline in Openstack
> Infra to
> >> > allow
> >> > > >         > a set of jobs to run periodically every four hours
> >> > > >         [...]
> >> > > >
> >> > > >         The request doesn't strike me as
> contentious/controversial.
> >> > Why not
> >> > > >         just propose your addition to the zuul/layout.yaml file
> in the
> >> > > >         openstack-infra/project-config repo and hash out any
> resulting
> >> > > >         concerns via code review?
> >> > > >         --
> >> > > >         Jeremy Stanley
> >> > > >
> >> > > >
> >> > > >     Sounds good to me.
> >> > > >     We thought it would be nice to walk through it in an email
> first :)
> >> > > >
> >> > > >     Thanks
> >> > > >
> >> > > >
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> >> > > >
> >> > > > --
> >> > > > Best regards
> >> > > > Sagi Shnaidman
> >> > > >
> >> > > >
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> >>
> >> --
> >> Best regards
> >> Sagi Shnaidman
> >
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>
> --
> Emilien Macchi
>
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