[openstack-dev] [nova] Next steps for resource providers work

Matt Riedemann mriedem at linux.vnet.ibm.com
Tue Aug 30 16:28:13 UTC 2016

On 8/29/2016 2:40 PM, Matt Riedemann wrote:
> I've been out for a week and not very involved in the resource providers
> work, but after talking about the various changes up in the air at the
> moment a bunch of us thought it would be helpful to lay out next steps
> for the work we want to get done this week.
> Keep in mind feature freeze is more or less Thursday 9/1.
> Also keep in mind the goal from the midcycle:
> "Jay's personal goal for Newton is for the resource tracker to be
> writing inventory and allocation data via the placement API. Get the
> data pumping into the placement API in Newton so we can start using it
> in Ocata."
> 1. The ResourceTracker work starts here:
> https://review.openstack.org/#/c/358797/
> That relies on the placement service being in the service catalog and
> will be optional for Newton. There are details to be sorted about
> if/when to retry connecting to the placement service with or without
> requiring a restart of nova-compute, but I don't think those are too hairy.
> Jay is working on changes that go on top of that series to push the
> inventory and allocation data from the resource tracker to the placement
> service.
> Chris Dent pointed out that there is remaining work to do with the
> allocation objects in the placement API, but those can be worked in
> parallel to the RT work Jay is doing.
> 2. Chris is going to cleanup the devstack change that adds the placement
> service:
> https://review.openstack.org/#/c/342362/
> The main issue is there isn't a separate placement database, at least
> not by default, so Chris has to take that into account. In Newton, by
> default, the Nova API DB will be used for the placement service. You can
> optionally configure a separate placement database with the API DB
> schema, but we're not going to test with that as the default in devstack
> in Newton since that's most likely not what deployers would be doing in
> Newton as the placement service is still optional.
> 3. I'm going to work on a job that runs in the experimental queue and
> enables the placement service. So by default in Newton devstack the
> placement service will not be configured or running. With the
> experimental queue job we can test the Nova changes with and without the
> placement service to make sure we didn't completely screw something up.
> --
> If I've left something out please add it here.

We're also tracking stuff in this etherpad:




Matt Riedemann

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