[openstack-dev] [nova][neutron][upgrade] Grenade multinode partial upgrade

Armando M. armamig at gmail.com
Fri Nov 13 20:36:37 UTC 2015


On 13 November 2015 at 11:46, Sean Dague <sean at dague.net> wrote:

> On 11/13/2015 01:16 PM, Sean M. Collins wrote:
> > On Fri, Nov 13, 2015 at 07:42:12AM EST, Sean Dague wrote:
> >> Ok, I top responded with the details of the job, honestly I think it's
> >> just a project-config change to get up and running, and then hacking at
> >> the bugs that fall out.
> >
> > Thanks - that was super helpful.
> >
> > I'm thinking of working on the following on Monday:
> >
> > 1) capture that somewhere in the upgrade docs we're putting together in
> neutron's devref
> >
> > 2) Adding the stanza to project-config to get grenade running for
> > Neutron
> >
> > 3) Take a look at the patches that Armando linked a couple emails back
> > in this thread.
>
> I don't think that any of the patches listed there are needed. This was
> part of the reason I -2ed that direction in the last cycle. It required
> a separate special code path for partial upgrade setup which was very
> synthetic (and honestly kind of confusing to debug).
>

I don't disagree. I didn't meant to imply 'resume the patches', I was only
providing the backdrop.


>
> The new approach means if you did upgrade for the all-in-one case, and
> you did multinode setup with worker processes on the subnode, you just
> make a config where you do them both at the same time, and you have
> partial upgrade.
>
>         -Sean
>
> --
> Sean Dague
> http://dague.net
>
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