[openstack-dev] [TripleO] package based overcloud upgrades
shardy at redhat.com
Thu Jun 25 21:44:57 UTC 2015
On Thu, Jun 25, 2015 at 01:57:14PM -0700, Dan Smith wrote:
> > Yeah I think it's fair to say this is just the first step of probably
> > several iterations towards fully orchestrated upgrades such as you
> > describe, atm really it's just a way of pushing out minor updates not
> > version-to-version upgrades (yet).
> Okay, that's cool, I just wanted to make sure I understood the scope of
> short-term and longer-term plans. Obviously tackling the minor updates
> part first makes a lot of sense. I think that keeping the bigger picture
> in mind will help ensure we don't have to redesign things when we set
> our sights on the larger picture.
> > You're right to point out how much work is still to be done, both in the
> > services themselves (to tolerate unexpected restart and DB/RPC version
> > mismatches), and in defining/automating the workflow which drives the
> > upgrade.
> > There are a few ways to achieve the rolling update you refer to, and work
> > is going on in both heat and tripleo-common which will help enable this in
> > future.
> Cool, I just want to make sure that the work we're doing in Nova and
> other projects meshes with higher-level plans in this area. Nova is
> probably due for a blog post detailing the high-level rolling upgrade
> steps, which would help paint the picture of what tools we're building
> and expectations we're making.
+1 such a blog post would be great and would really help other projects
align/reuse where appropriate :)
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