[Openstack-operators] [Upgrades] Interoperability Matrix
Fuente, Pablo A
pablo.a.fuente at intel.com
Fri Apr 25 17:25:41 UTC 2014
Did you have the chance to see my email?
On Mon, 2014-04-21 at 13:25 +0000, Fuente, Pablo A wrote:
> You are right regarding grenade, but there is a subtle difference with
> the interoperability matrix.
> Meanwhile grenade does the upgrade and ensures it is working, the
> matrix checks that different components versions work well (or not)
> together, hoping that this information helps in the upgrade decisions
> (for example, upgrades orders).
> In other words, Grenade moves the entire “cloud” from one version to
> another (all the components in the same version) and the matrix tests an
> specific component version against the rest of the cloud in another
> Actually, I am considering to build this matrix without performing any
> Then, do you think this matrix could be helpful?
> Thank you very much for your answer!
> On Thu, 2014-04-17 at 11:27 -0700, Clint Byrum wrote:
> > Excerpts from Fuente, Pablo A's message of 2014-04-16 14:00:47 -0700:
> > > Hi guys,
> > >
> > > I would like to open a discussion related to OpenStack upgrades ( I mean
> > > moving from one version to another, for example Havana to Icehouse).
> > >
> > > As you probably know, this is a big issue, since there is no silver
> > > bullet to do it. For that reason, I am thinking in an option to provide
> > > more input prior to do an upgrade.
> > >
> > > The idea is to generate an interoperability matrix, where devops can see
> > > if an specific commit works with all the available OpenStack versions,
> > > distinguishing among the different components. For example, you could
> > > see if the Nova X commit is or not backward compatible with the
> > > Grizzly/Havana/Icehouse versions of Keystone/Neutron/Cinder/...
> > >
> > > Do you think this matrix would be useful in the upgrade tasks?
> > >
> > The gate currently has "grenade", which attempts to upgrade a working
> > stable release to the each commit. If this does not pass, it does not
> > merge.
> > https://wiki.openstack.org/wiki/Grenade
> > So this interoperability matrix is actually already maintained, as _every_
> > commit should be able to upgrade from the previous stable release.
> > Failures when attempting to do so are bugs in two things: the thing that
> > breaks on upgrade, and grenade.
> > _______________________________________________
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> > OpenStack-operators at lists.openstack.org
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