[tc][release] Networking-midonet current status and Wallaby release

Slawek Kaplonski skaplons at redhat.com
Mon Mar 29 15:14:15 UTC 2021


Hi,

On Mon, Mar 29, 2021 at 05:07:15PM +0200, Herve Beraud wrote:
> If we decide to follow the depreciation process we can wait until tomorrow
> or Wednesday early in the morning.

I also pinged Sam Morrison and YAMAMOTO Takashi about that today. If I will not
have any reply from them until tomorrow morning CEST time, I will propose
patches to deprecate it in this cycle.

> 
> Le lun. 29 mars 2021 à 16:52, Ghanshyam Mann <gmann at ghanshyammann.com> a
> écrit :
> 
> >  ---- On Mon, 29 Mar 2021 09:26:31 -0500 Slawek Kaplonski <
> > skaplons at redhat.com> wrote ----
> >  > Hi,
> >  >
> >  > On Mon, Mar 29, 2021 at 08:53:58AM -0500, Ghanshyam Mann wrote:
> >  > >  ---- On Mon, 29 Mar 2021 06:14:06 -0500 Akihiro Motoki <
> > amotoki at gmail.com> wrote ----
> >  > >  > On Mon, Mar 29, 2021 at 8:07 PM Slawek Kaplonski <
> > skaplons at redhat.com> wrote:
> >  > >  > >
> >  > >  > > Hi,
> >  > >  > >
> >  > >  > > On Mon, Mar 29, 2021 at 11:52:59AM +0200, Herve Beraud wrote:
> >  > >  > > > Hello,
> >  > >  > > >
> >  > >  > > > The main question is, does the previous Victoria version [1]
> > will be
> >  > >  > > > compatible with the latest neutron changes and with the latest
> > engine
> >  > >  > > > facade introduced during Wallaby?
> >  > >  > >
> >  > >  > > It won't be compatible. Networking-midonet from Victoria will
> > not work properly
> >  > >  > > with Neutron Wallaby.
> >  > >  > >
> >  > >  > > >
> >  > >  > > > Releasing an unfixed engine facade code is useless, so we
> > shouldn't release
> >  > >  > > > a new version of networking-midonet, because the project code
> > won't be
> >  > >  > > > compatible with the rest of our projects (AFAIK neutron),
> > unless, the
> >  > >  > > > previous version will not compatible either, and, unless, not
> > releasing a
> >  > >  > > > Wallaby version leave the project branch uncut and so leave the
> >  > >  > > > corresponding series unmaintainable, and so unfixable a
> > posteriori.
> >  > >  > > >
> >  > >  > > > If we do not release a new version then we will use a previous
> > version of
> >  > >  > > > networking-midonet. This version will be the last Victoria
> > version [1].
> >  > >  > > >
> >  > >  > > > I suppose that this version (the victoria version) isn't
> > compatible with
> >  > >  > > > the new facade engine either, isn't it?
> >  > >  > >
> >  > >  > > Correct. It's not compatible.
> >  > >  > >
> >  > >  > > >
> >  > >  > > > So release or not release a new version won't solve the facade
> > engine
> >  > >  > > > problem, isn't?
> >  > >  > >
> >  > >  > > Yes.
> >  > >  > >
> >  > >  > > >
> >  > >  > > > You said that neutron evolved and networking-midonet didn't,
> > hence even if
> >  > >  > > > we release networking-midonet in the current state it will
> > fail too, isn't
> >  > >  > > > it?
> >  > >  > >
> >  > >  > > Also yes :)
> >  > >  > >
> >  > >  > > >
> >  > >  > > > However, releasing a new version and branching on it can give
> > you the
> >  > >  > > > needed maintenance window to allow you to fix the issue later,
> > when your
> >  > >  > > > gates will be fixed and then patches backported. git tags are
> > cheap.
> >  > >  > > >
> >  > >  > > > We should notice that since Victoria some patches have been
> > merged in
> >  > >  > > > Wallaby so even if they aren't ground breaking changes they
> > are changes
> >  > >  > > > that it is worth to release.
> >  > >  > > >
> >  > >  > > > From a release point of view I think it's worth it to release
> > a new version
> >  > >  > > > and to cut Wallaby. We are close to the it's deadline. That
> > will land the
> >  > >  > > > available delta between Victoria and Wallaby. That will allow
> > to fix the
> >  > >  > > > engine facade by opening a maintenance window. If the project
> > is still
> >  > >  > > > lacking maintainers in a few weeks / months, this will allow a
> > more smooth
> >  > >  > > > deprecation of this one.
> >  > >  > > >
> >  > >  > > > Thoughts?
> >  > >  > >
> >  > >  > > Based on Your feedback I agree that we should release now what
> > we have. Even if
> >  > >  > > it's broken we can then fix it and backport fixes to
> > stable/wallaby branch.
> >  > >  > >
> >  > >  > > @Akihiro: are You ok with that too?
> >  > >  >
> >  > >  > I was writing another reply and did not notice this mail.
> >  > >  > While I still have a doubt on releasing the broken code (which we
> > are
> >  > >  > not sure can be fixed soon or not),
> >  > >  > I am okay with either decision.
> >  > >
> >  > > Yeah, releasing broken code and especially where we do not if there
> > will be
> >  > > maintainer to fix it or not seems risky for me too.
> >  > >
> >  > > One option is to deprecate it for wallaby which means follow the
> > deprecation steps
> >  > > mentioned in project-team-guide[1]. If maintainers show up then it
> > can be un-deprecated.
> >  > > With that, we will not have any compatible wallaby version which I
> > think is a better
> >  > > choice than releasing the broken code.
> >  >
> >  > We were asking about that some time ago already and then some new
> > maintainers
> >  > stepped in. But as now there is that problem again with
> > networking-midonet I'm
> >  > fine to deprecate it (or ask about it again at least).
> >  > But isn't it too late in the cycle now? Last time when we were doing
> > that it was
> >  > before milestone-2 IIRC. Now we are almost at the end of the cycle.
> > Should we do
> >  > it still now?
> >
> > As there is nothing released for Wallaby[1], we can still do this. As per
> > the process, TC
> > can merge the required patches on that repo if no core is available to +A.
> >
> >  > If yes, how much time do we really have to e.g. ask for some new
> > maintainers?
> >  >
> >
> > I will say asap :) but I think the release team can set the deadline as
> > they have to take care
> > of release things.
> >
> > [1]
> > https://opendev.org/openstack/releases/src/commit/30492c964f5d7eb85d806086c5b1c656b5c9e9f9/deliverables/wallaby/networking-midonet.yaml
> >
> >
> > -gmann
> >
> >  > >
> >  > > Releasing the broken code now with the hope of someone will come up
> > and fix it with
> >  > > backport makes me a little uncomfortable and if it did not get fix
> > then we will live
> >  > > with broken release forever.
> >  > >
> >  > >
> >  > > [1]
> > https://docs.openstack.org/project-team-guide/repository.html#deprecating-a-repository
> >  > >
> >  > > -gmann
> >  > >
> >  > >  >
> >  > >  > >
> >  > >  > > >
> >  > >  > > > [1]
> >  > >  > > >
> > https://opendev.org/openstack/releases/src/branch/master/deliverables/victoria/networking-midonet.yaml
> >  > >  > > >
> >  > >  > > > Le lun. 29 mars 2021 à 10:32, Slawek Kaplonski <
> > skaplons at redhat.com> a
> >  > >  > > > écrit :
> >  > >  > > >
> >  > >  > > > > Hi,
> >  > >  > > > >
> >  > >  > > > > We have opened release patch for networking-midonet [1] but
> > our concern
> >  > >  > > > > about
> >  > >  > > > > that project is that its gate is completly broken since some
> > time thus we
> >  > >  > > > > don't really know if the project is still working and valid
> > to be released.
> >  > >  > > > > In Wallaby cycle Neutron for example finished transition to
> > the engine
> >  > >  > > > > facade,
> >  > >  > > > > and patch to adjust that in networking-midonet is still
> > opened [2] (and
> >  > >  > > > > red as
> >  > >  > > > > there were some unrelated issues with most of the jobs
> > there).
> >  > >  > > > >
> >  > >  > > > > In the past we had discussion about networking-midonet
> > project and it's
> >  > >  > > > > status
> >  > >  > > > > as the official Neutron stadium project. Then some new folks
> > stepped in to
> >  > >  > > > > maintain it but now it seems a bit like (again) it lacks of
> > maintainers.
> >  > >  > > > > I know that it is very late in the cycle now so my question
> > to the TC and
> >  > >  > > > > release teams is: should we release stable/wallaby with its
> > current state,
> >  > >  > > > > even if it's broken or should we maybe don't release it at
> > all until its
> >  > >  > > > > gate
> >  > >  > > > > will be up and running?
> >  > >  > > > >
> >  > >  > > > > [1] https://review.opendev.org/c/openstack/releases/+/781713
> >  > >  > > > > [2]
> > https://review.opendev.org/c/openstack/networking-midonet/+/770797
> >  > >  > > > >
> >  > >  > > > > --
> >  > >  > > > > Slawek Kaplonski
> >  > >  > > > > Principal Software Engineer
> >  > >  > > > > Red Hat
> >  > >  > > >
> >  > >  > > >
> >  > >  > > >
> >  > >  > > > --
> >  > >  > > > Hervé Beraud
> >  > >  > > > Senior Software Engineer at Red Hat
> >  > >  > > > irc: hberaud
> >  > >  > > > https://github.com/4383/
> >  > >  > > > https://twitter.com/4383hberaud
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> >  > >  > >
> >  > >  > > --
> >  > >  > > Slawek Kaplonski
> >  > >  > > Principal Software Engineer
> >  > >  > > Red Hat
> >  > >  >
> >  > >  >
> >  > >
> >  >
> >  > --
> >  > Slawek Kaplonski
> >  > Principal Software Engineer
> >  > Red Hat
> >  >
> >
> >
> 
> -- 
> Hervé Beraud
> Senior Software Engineer at Red Hat
> irc: hberaud
> https://github.com/4383/
> https://twitter.com/4383hberaud
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-- 
Slawek Kaplonski
Principal Software Engineer
Red Hat
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