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On Feb 3, 2017 5:26 AM, "Steven Hardy" <shardy at redhat.com> wrote:

Hi all,

There's been some discussion on IRC about this, but I wanted to formally
request a FFE for the remaining composable upgrades work and provide a
status update:

https://blueprints.launchpad.net/tripleo/+spec/overcloud-
upgrades-per-service

We've made pretty good progress on this, and the ansible based upgrade
architecture, along with tasks for most overcloud services has landed.

However we've been blocked for a while due to the complexity of upgrading
nova - some work was required to get puppet support for cellsv2, and to
figure out the required steps related to the placement API integration.

I think that's all close now, and folks have been testing locally with some
success:

https://review.openstack.org/#/c/405241/

The other missing piece is pacemaker support, which again has been locally
tested but not yet proven via CI:

https://review.openstack.org/#/c/403397/

The final part is deploying the upgrade script for operator driven upgrades
when automated upgrades are disabled (this is similar to previous releases,
but required some rework due to the new architecture):

https://review.openstack.org/#/c/424905/
https://review.openstack.org/#/c/419886/

There are also a few other various fixes and cleanups outstanding:

https://review.openstack.org/#/c/428309
https://review.openstack.org/#/c/428310/
https://review.openstack.org/#/c/428348/
https://review.openstack.org/#/c/428349/
https://review.openstack.org/#/c/424715/

I think that's all of the outstanding work, but we're still testing and
trying to flush out any remaining issues - if I've missed anything
hopefully other folks on the upgrades squad can follow up with more
details.

Overall I think this is OK for the final release, but we should aim to land
the patches above ASAP so we can focus on testing and any remaining
bugfixes.

Thanks!


Of course this is granted, as upgrades are essential to us.

Thanks for this outstanding work.
Emilien.


--
Steve Hardy
Red Hat Engineering, Cloud

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