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#openstack-nova - 2017-02-10
16:56:25 johnthetubaguy mriedem: yeah, I was thinking both in terms of the devstack changes and the service reporting
16:56:52 mriedem AJaeger: we're talking 1.2.9 minimum libvirt for nova in pike, and 1.3.1 libvirt minimum for nova in queens
16:57:35 lascii good morning everyone
16:57:54 dims_ hey lascii !
16:58:18 melwitt lascii o/
16:58:34 johnthetubaguy superdan: OK, yeah, yeah certainly ptg fodder
16:58:47 johnthetubaguy lascii: hello hello
17:00:43 AJaeger mriedem: I let our experts answer on the mailing... AFAIK we have libvirt 2.0.0 version currently and thus a minimum requirement of any 1.x should be fine for SUSE
17:01:09 mriedem AJaeger: ok thanks
17:04:36 AJaeger mriedem: thanks for asking!
17:07:07 openstackgerrit Eric Fried proposed openstack/nova-specs master: PowerVM Driver Integration (Pike) https://review.openstack.org/432387
17:09:12 openstackgerrit Eric Fried proposed openstack/nova-specs master: PowerVM Driver Integration (Pike) https://review.openstack.org/432387
17:10:46 efried mriedem FYI ^^ for continuation of https://blueprints.launchpad.net/nova/+spec/powervm-nova-compute-driver
17:15:56 superdan mriedem: why does the 14.0.1 section talk about 14.0.0 things here? http://docs.openstack.org/releasenotes/nova/newton.html
17:16:12 mriedem it's a bug
17:16:22 mriedem oh, no,
17:16:29 mriedem that's because we didn't get the prelude into 14.0.0
17:16:37 mriedem remember bauzas added that after we released newton
17:16:42 mriedem so it got into 14.0.1
17:16:52 superdan oh
17:27:31 ygl hi all
17:37:36 openstackgerrit Dan Smith proposed openstack/nova master: Remove flavor_* functions from db/api https://review.openstack.org/431752
17:37:37 openstackgerrit Dan Smith proposed openstack/nova master: Remove main_db flavor compatibility https://review.openstack.org/431722
17:39:27 superdan hmm, where can i see the release notes as rendered like they would for a release for the current tree if it were to happen now?
17:39:33 superdan dhellmann: dims_ mriedem_lunch ^ ?
17:42:21 melwitt superdan: you mean this? http://docs.openstack.org/releasenotes/nova/unreleased.html
17:42:37 superdan melwitt: yeah
17:42:52 superdan melwitt: didn't see it in a docs job run, figured it'd be there but thanks
17:44:19 melwitt oh, yeah I dunno where/if it exists in any per patch runs
17:45:12 superdan this is what I want anyway
17:45:13 superdan so thanks
17:58:42 dims_ superdan : y was lunching :) back now
18:15:13 openstackgerrit Ed Leafe proposed openstack/nova master: placement: adds REST API for nested providers https://review.openstack.org/384807
18:15:14 openstackgerrit Ed Leafe proposed openstack/nova master: placement: allow filter providers in tree https://review.openstack.org/377215
18:15:16 openstackgerrit Ed Leafe proposed openstack/nova master: placement: integrate ProviderTree to report client https://review.openstack.org/415921
18:15:16 openstackgerrit Ed Leafe proposed openstack/nova master: pci: add uuid field to PciDevice object https://review.openstack.org/414768
18:15:17 openstackgerrit Ed Leafe proposed openstack/nova master: placement: SRIOV PF devices as child providers https://review.openstack.org/414769
18:15:18 openstackgerrit Ed Leafe proposed openstack/nova master: placement: update client to set parent provider https://review.openstack.org/385693
18:15:18 openstackgerrit Ed Leafe proposed openstack/nova master: placement: adds ProviderTree for nested resources https://review.openstack.org/415920
18:15:19 openstackgerrit Ed Leafe proposed openstack/nova master: placement: add nested resource providers https://review.openstack.org/377138
18:19:44 leakypipes mriedem_lunch, johnthetubaguy, superdan: I think https://review.openstack.org/#/c/404472/ is ready for your eyeballs again now.
18:24:10 superdan leakypipes: I don't think I've reviewed that yet at all, but
18:24:25 superdan leakypipes: does that not seem like a major layering violation? maybe that has already been discussed?
18:25:31 leakypipes superdan: sorry, I'm not quite following you. do you mean that that code is in the wrong place?
18:27:02 superdan leakypipes: the resource tracker having things like "if ironic, do this other thing"
18:27:17 superdan we try not to even do that in compute manager, which directly consumes the compute drivers
18:27:34 superdan and we nak people having tried to do stuff like that in the past
18:28:26 leakypipes superdan: yeah, it's a temporary thing until we can be sure that the request from the user just contains a list of resources to consume as opposed to the existing situation where we need to tell if the instance is a baremetal instance or not and then do something different to track Ironic resources.
18:28:48 leakypipes superdan: the dilemma we have is a chicken and egg one.
18:29:23 superdan I'm not sure what that means, request wise, but I assume that means temporary ... for a while?
18:30:11 mriedem i had made a comment at one point about subclasses the resource tracker for ironic specific resource class massaging
18:30:21 mriedem since there were big conditionals in that patch at one point which were all just for ironic
18:30:23 leakypipes superdan: an OpenStack admin may have set the node.resource_class attribute for some or all of their Ironic baremetal nodes, but a) there may be records in Nova already existing that refer to the consumed resources like VCPU, MEMORY_MB and DISK_GB. We need to continue to track those "resources" like we do now but also track the new node.resource_class consumption. All of that code is basically the "auto-heal" code for Ironic installations in
18:30:24 leakypipes Newton and Ocatra
18:31:26 mriedem fwiw ironic + resource providers is broken in newton anyway i think
18:31:40 leakypipes superdan: yes, that code and those conditionals will not be necessary once the "flavor" for Ironic nodes no longer requests VCPU, MEMORY_MB and the like and instead just requests the custom resource class like "CUSTOM_IRON_SILVER" or whatnot.
18:31:51 mriedem w/o https://review.openstack.org/#/c/416762/ anyway
18:32:20 leakypipes mriedem: ah, yes, but that's a bit of a different thing, right?
18:32:27 superdan mriedem: yeah, I'd like that to be less hacky.. I'd have to think about the best way to do it though
18:32:28 mriedem yeah
18:32:38 ygl can we access the ovs controller of devstack ?
18:33:21 ygl is it a opendaylight controller ?
18:37:58 superdan jroll: is ironic making "set your node class" a requirement for people deploying ocata?
18:38:23 superdan meaning, is there a "you will break in pike if you haven't set this property" warning?
18:38:29 jroll superdan: not yet no
18:38:48 jroll we also support ironic without nova so we can never make it strictly mandatory
18:38:52 superdan jroll: so we have to tolerate not having this set until queens?
18:38:57 jroll or rather, doing that would be painful for people that don't care
18:39:23 jroll nah, we should be able to enforce it nova side in pike
18:39:32 jroll we can make it a pre-pike upgrade requirement
18:39:57 superdan jroll: okay presumably you have to note your pre-pike requirements in ocata, no?
18:40:06 superdan or are you just going to say in pike release notes you're broken if you don't?
18:40:19 jroll superdan: was planning on pike relnotes + upgrade docs
18:40:25 superdan okay
18:40:32 superdan so since we're in pike now,
18:40:33 mriedem in newton we said placement was going to be required in ocata, which was kind of true, but we didn't make it a hard break in the scheduler
18:40:51 superdan can nova not just dispense with this ironic-specific RT stuff leakypipes was talking about?
18:40:58 jroll I don't want to strictly enforce it at any time with log.warn() or whatever, because standalone
18:41:10 superdan sure, I get the standalone thing
18:41:12 mriedem jroll: i mean strictly enforce in nova
18:41:24 mriedem if you don't have node.resource_class set in nova, it's a an error
18:41:28 superdan mriedem: we strictly enforce placement in ocata, just not until you're fully upgraded
18:41:34 jroll mriedem: yes I would like to do that thing in pike
18:41:43 jroll superdan: so, we still need ironic-specific RT stuff, right
18:41:52 jroll because it auto-creates a custom resource class and such
18:41:57 superdan jroll: leakypipes said not once we can depend on that no/
18:42:15 jroll oh there's scrollback involved
18:42:34 superdan I guess he's also saying something about existing legacy resources
18:42:49 mriedem if the nova RT isn't going to create the custom resource classes from the node.resource_class, what is? something/someone outside nova?
18:42:51 mriedem pre-pike?
18:43:05 superdan I guess it seems like we should be refactoring the interface between RT and the resources the driver returns,
18:43:17 superdan and make the ironic driver return the node class types if appropriate,
18:43:17 jroll yeah, so there's a couple parts
18:43:22 superdan and let the RT be generic
18:43:24 mriedem i was going to say, the get_available_resources() call to the driver could return the node.resource_class couldn't it?
18:43:30 superdan and it would then delete the legacy resources at that point, but we want that
18:43:31 jroll 1) something needs to put these resources in the placement engine correctly
18:43:38 superdan mriedem: right
18:43:42 jroll 2) flavors need to be able to request custom resource classes
18:44:02 jroll 3) I'm blanking, totally had something

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