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#openstack-nova - 2017-06-19
18:52:07 dansmith jaypipes: either way, I think they should be register_if(False) even if we have to use their full imports
18:52:19 mriedem you could still do: from nova.objects import resource_providers; allocs = resource_providers.AllocationCandidates.get_by_filters()
18:52:22 mriedem which isn't too bad
18:52:36 dansmith jaypipes: sup to you I guess. it's kinda bad to register and them unregister them, although it's only principle
18:52:50 dansmith jaypipes: happy to make the change myself if you want, but dont'want to stomp on your pending changes
18:53:02 jaypipes mriedem, dansmith: k, gimme a few. I'll do that
18:53:31 mriedem otherwise i'm like +10 if that helps
19:06:39 openstackgerrit OpenStack Proposal Bot proposed openstack/os-vif master: Updated from global requirements https://review.openstack.org/467173
19:07:40 openstackgerrit Jay Pipes proposed openstack/nova master: placement: produce set of allocation candidates https://review.openstack.org/473377
19:07:40 openstackgerrit Jay Pipes proposed openstack/nova master: placement: support GET /allocation_candidates https://review.openstack.org/475448
19:07:46 jaypipes mriedem, dansmith: ok dokey. ^
19:12:37 mriedem has anyone here ever had a hard time figuring out why their api samples test failed w/o an unexpected response code?
19:12:44 mriedem and spent hours figuring it out?
19:12:55 openstackgerrit Matt Riedemann proposed openstack/nova master: Provide error message in MismatchError for api-samples tests https://review.openstack.org/475489
19:12:59 mriedem *with i should say
19:13:07 mriedem well wonder no more dear friends ^
19:14:10 openstackgerrit Matt Riedemann proposed openstack/nova master: Provide error message in MismatchError for api-samples tests https://review.openstack.org/475489
19:50:40 melwitt mriedem: I hoped someone would figure that out and improve it after cfriesen brought it up last week. *two thumbs up*
19:51:40 mriedem i've got another one coming soon
19:51:50 melwitt yess
19:51:50 mriedem generalize_subs is a thing that took me an hour or so to find
19:52:18 mriedem because i kept getting this http://paste.openstack.org/show/613134/
19:52:24 mriedem but knew my test and template and subs were all good
19:53:44 melwitt mriedem: that's the useless output I've seen on some transient func test failures in the gate!
19:54:05 melwitt or at least I couldn't tell that anything was wrong from it
19:54:09 mriedem well, i was just going to add a reminder in the error message to check if your test needs to override generalize_subs
19:54:31 mriedem because the api samples functional tests are very much an exercise in what you don't know you need to do to make them work
19:54:35 mriedem so the more hints we can provide the better
19:55:04 melwitt yeah, I think hints of any kind are a vast improvement
19:55:22 openstackgerrit Rick Bartra proposed openstack/nova master: Add policy granularity to the Flavors API https://review.openstack.org/449288
20:00:52 openstackgerrit Matt Riedemann proposed openstack/nova master: Provide a hint when _verify_response fails https://review.openstack.org/475512
20:09:27 melwitt mriedem: do you happen to know if novaclient or OSC are capable of doing any automatic paging when e.g. number of servers > 1000 for a server list?
20:10:55 mriedem i think novaclient might, not sure about osc
20:11:14 melwitt thanks. I feel like I heard of something like that but memory is hazy
20:11:42 mriedem https://github.com/openstack/python-novaclient/blob/master/novaclient/v2/shell.py#L1424
20:11:46 mriedem limit of -1
20:11:49 mriedem makes novaclient page
20:11:59 mriedem i remember diana hitting this with the simple tenant usage paging stuff
20:12:31 melwitt okay, it's still going to just return the api max limit though, won't go ahead and query with the marker for the next hunk etc
20:12:45 melwitt or wait, -1 all servers
20:13:20 melwitt okay, yeah cool
20:13:41 mriedem https://cdn.meme.am/cache/instances/folder766/24025766.jpg
20:13:53 melwitt lol awesome
20:14:54 openstackgerrit Merged openstack/nova master: Use plain routes list for os-quota-classes endpoint instead of stevedore https://review.openstack.org/461641
20:15:31 openstackgerrit Merged openstack/nova master: Use plain routes list for os-cloudpipe endpoint instead of stevedore https://review.openstack.org/474116
20:15:59 openstackgerrit Merged openstack/nova master: Use plain routes list for os-tenant-networks instead of stevedore https://review.openstack.org/474475
20:22:03 openstackgerrit Merged openstack/nova master: Remove multiple create from stevedore https://review.openstack.org/474909
20:22:07 melwitt I wonder why github doesn't show what tag/release a commit is in if it's a backport to stable
20:41:12 openstackgerrit Matt Riedemann proposed openstack/nova master: WIP: Handle uuids in os-hypervisors API https://review.openstack.org/471899
20:48:52 sdague mriedem: it looks like if you want to land the mitaka backports you'll need to make the tempest tests non voting
20:49:29 sdague mriedem: keystone drifted in some way and there isn't a great way to exclude those tests
20:57:53 mriedem ok, i'm not sure i care all that much
20:58:38 mriedem dansmith: shouldn't we generally be locking when refreshing the nw info cache? like in https://github.com/openstack/nova/blob/ac41395f11002c09e7cd1c4a26632e73bc1bc952/nova/network/base_api.py#L74
20:58:50 mriedem i see that when handling external vif deleted events, we don't lock https://github.com/openstack/nova/blob/ac41395f11002c09e7cd1c4a26632e73bc1bc952/nova/compute/manager.py#L6816
20:59:15 dansmith mriedem: well, it will only lock against things running on the same machine of course,
20:59:25 dansmith mriedem: and we're probably already under the instance lock in compute manager right?
20:59:42 mriedem no
20:59:43 mriedem _process_instance_vif_deleted_event
20:59:48 mriedem https://github.com/openstack/nova/blob/ac41395f11002c09e7cd1c4a26632e73bc1bc952/nova/compute/manager.py#L6834
20:59:48 dansmith mriedem: the general thinking there is that two threads racing are likely to write the same thing to the db, so it doesn't much matter
21:00:01 dansmith oh, in the event handler, right
21:00:36 dansmith but anyway, if we did, we wouldn't be excluded against another compute doing it too during a migration, or a n-net node, or a conductor (if that happens), etc
21:01:05 mriedem sure, global DLM aside
21:01:34 mriedem i was just commenting on someone's patch that was fiddling with things in there outside the lock
21:01:37 mriedem and got looking around
21:01:49 mriedem there == instance nw info cache
21:02:01 dansmith the lock also isn't going to prevent us from hitting neutron more than once or anything
21:02:05 dansmith it's just going to serialize those operations
21:03:00 mriedem yeah i know
21:03:06 mriedem just not sure if i care about https://review.openstack.org/#/c/419975/14/nova/virt/ironic/driver.py
21:04:20 dansmith yeah I don't think that's going to do anything
21:04:47 dansmith it does seem weird to be updating the cache from inside a driver like that though
21:08:49 openstackgerrit OpenStack Proposal Bot proposed openstack/nova master: Updated from global requirements https://review.openstack.org/475563
21:14:09 dansmith mriedem: jaypipes apparently none of the placement fixtures have tests?
21:14:39 jaypipes dansmith: not sure what you mean?
21:15:03 dansmith jaypipes: we have unit tests for the normal nova fixtures
21:15:09 dansmith jaypipes: i.e. tests/unit/test_fixtures
21:15:17 dansmith I was going to -1 you for your new untested fixture,
21:15:25 dansmith but it seems that none of the placement fixtures are tested...
21:15:39 jaypipes dansmith: you mean besides the functional API tests that use them?
21:16:19 dansmith jaypipes: yeah, we don't just assume the nova fixtures work because other tests use them...
21:16:41 jaypipes dansmith: ok :)
21:18:05 dansmith jaypipes: I'll defer to mriedem, assuming we're not going to hold you to that here since there aren't tests for the others
21:18:14 dansmith I was just surprised
21:19:07 dansmith jaypipes: I do think we want tests for that normalize helper you pulled out though
21:19:21 jaypipes dansmith: yup, no prob. I can handle that. :)
21:20:05 dansmith jaypipes: I also don't see tests that make sure this doesn't work before microversion 1.8, but I'm not sure if that's convention or not
21:20:10 dansmith I would expect we would just check that we get a 404
21:48:04 mriedem the more i look at this, the more it hurts https://github.com/openstack/nova/blob/master/nova/network/neutronv2/api.py#L887-L894
21:48:24 mriedem the note is obviously wrong now, it was added before we tracked neutron preexisting ports https://review.openstack.org/#/c/22610/2/nova/network/quantumv2/api.py
21:49:10 mriedem at this point, isn't what we return going to be all ports for the instance? since created and preexisting is the full set of ports for a given instance, either during server create or interface attach
21:50:20 dansmith heh, yeah because "created_port_ids + preexisting_port_ids"
21:50:34 mriedem or
21:50:42 mriedem https://github.com/openstack/nova/blob/master/nova/network/neutronv2/api.py#L982
21:51:01 mriedem preexisting_port_ids might not be "all" preexisting ports for the instance, it might be only the ones in the attach request that aren't new
21:51:21 mriedem so if i create my instance with port A, and then attach B, preexisting_port_ids will have B in it but not A, i think
21:51:23 dansmith all that stuff is crap
21:51:45 mriedem i.e. preexisting_ports_for_the_current_request
21:54:06 openstackgerrit melanie witt proposed openstack/nova master: Add FixedIPList.get_count_by_project() https://review.openstack.org/446246
21:54:07 openstackgerrit melanie witt proposed openstack/nova master: Add FloatingIPList.get_count_by_project() https://review.openstack.org/446247

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