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| tasker | I just got through looking at my history via stackalytics and it has me associated with "*independent". the "how to change?" pop-out explains the rules of determining my association, but not really how to change it. on my launchpad.net profile, I don't see any field to change my company. am I missing something? | 00:11 |
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| openstackgerrit | Eric M Gonzalez (tasker) proposed openstack/nova master: unquiesce instance after quiesce failure https://review.openstack.org/550865 | 00:22 |
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| tasker | I guess I need to add my info to https://github.com/openstack/stackalytics/blob/master/etc/default_data.json and submit for review? | 00:27 |
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| openstackgerrit | Giridhar Jayavelu proposed openstack/nova-specs master: VMware: map instance to DRS vm group https://review.openstack.org/552190 | 00:42 |
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| openstackgerrit | Nakanishi Tomotaka proposed openstack/nova master: Use Placement API to check resource usage https://review.openstack.org/528953 | 00:50 |
| openstackgerrit | Giridhar Jayavelu proposed openstack/nova-specs master: VMware: map instance to DRS vm group https://review.openstack.org/552190 | 00:51 |
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| Spazmotic | Hmm not too sure how that will work tasker, stackalytics associates by company based on email address as far as I know and a list of known companies | 01:30 |
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| Spazmotic | json looks like a decentp lace to change it if it's there though ;P | 01:31 |
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| openstackgerrit | jichenjc proposed openstack/nova master: z/VM Driver: Initial change set of z/VM driver https://review.openstack.org/523387 | 01:51 |
| openstackgerrit | jichenjc proposed openstack/nova master: z/VM Driver: Spawn and destroy function of z/VM driver https://review.openstack.org/527658 | 01:51 |
| openstackgerrit | jichenjc proposed openstack/nova master: z/VM Driver: add snapshot function https://review.openstack.org/534240 | 01:51 |
| openstackgerrit | jichenjc proposed openstack/nova master: z/VM Driver: add power actions https://review.openstack.org/543340 | 01:51 |
| openstackgerrit | jichenjc proposed openstack/nova master: z/VM Driver: add get console output https://review.openstack.org/543344 | 01:51 |
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| jichen | melwitt: hi, could you please let me know where's the etherpad you mentioned that we track previously approved low priority specs? | 01:52 |
| openstackgerrit | Michael Still proposed openstack/nova master: Move configurable mkfs to privsep. https://review.openstack.org/551921 | 01:52 |
| openstackgerrit | Michael Still proposed openstack/nova master: Move xenapi xenstore_read's to privsep. https://review.openstack.org/552241 | 01:52 |
| openstackgerrit | Michael Still proposed openstack/nova master: Move xenapi disk resizing to privsep. https://review.openstack.org/552242 | 01:52 |
| jichen | melwitt: we have a set of patches ready but lack of review since queens......thanks https://review.openstack.org/#/q/status:open+project:openstack/nova+branch:master+topic:bp/add-zvm-driver-rocky | 01:52 |
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| Spazmotic | Michael Still if you're here i'll put those in the Xenapi Subteam etherpad | 02:34 |
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| openstackgerrit | wangqi proposed openstack/nova-specs master: Clean imports in code https://review.openstack.org/552294 | 05:23 |
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| openstackgerrit | OpenStack Proposal Bot proposed openstack/nova master: Imported Translations from Zanata https://review.openstack.org/548772 | 06:16 |
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| openstackgerrit | Jianle He proposed openstack/nova master: fix bug/1619606 on https://bugs.launchpad.net/nova/+bug/1619606 https://review.openstack.org/552310 | 06:48 |
| openstack | Launchpad bug 1619606 in OpenStack Compute (nova) "snapshot_volume_backed races, could result in data corruption" [Low,Confirmed] - Assigned to Jianle He (hejianle1989) | 06:48 |
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| openstackgerrit | Pranab proposed openstack/os-vif master: Add abstract OVSDB API https://review.openstack.org/476612 | 06:52 |
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| openstackgerrit | Yikun Jiang (Kero) proposed openstack/nova-specs master: Add host info to instance action events https://review.openstack.org/543277 | 06:54 |
| openstackgerrit | Merged openstack/nova master: remove unnecessary conf imports https://review.openstack.org/539314 | 06:54 |
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| openstackgerrit | Dao Cong Tien proposed openstack/nova master: Stop using mox in virt/xenapi/image/test_vdi_through_dev.py https://review.openstack.org/342682 | 07:01 |
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| openstackgerrit | OpenStack Proposal Bot proposed openstack/nova master: Updated from global requirements https://review.openstack.org/552363 | 07:09 |
| openstackgerrit | Pranab proposed openstack/os-vif master: Add abstract OVSDB API https://review.openstack.org/476612 | 07:09 |
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| openstackgerrit | Yikun Jiang (Kero) proposed openstack/nova-specs master: Add host info to instance action events https://review.openstack.org/543277 | 07:10 |
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| openstackgerrit | Pranab proposed openstack/os-vif master: Add native implementation OVSDB API https://review.openstack.org/482226 | 07:18 |
| openstackgerrit | OpenStack Proposal Bot proposed openstack/os-vif master: Updated from global requirements https://review.openstack.org/533918 | 07:20 |
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| openstackgerrit | OpenStack Proposal Bot proposed openstack/python-novaclient master: Updated from global requirements https://review.openstack.org/552384 | 07:27 |
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| openstackgerrit | Merged openstack/nova master: conf: Remove '[conductor] topic' opt https://review.openstack.org/499179 | 08:00 |
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| openstackgerrit | Chris Dent proposed openstack/nova master: Move resource class fields https://review.openstack.org/540049 | 09:03 |
| openstackgerrit | Chris Dent proposed openstack/nova master: Move resource provider objects into placement hierarchy https://review.openstack.org/551528 | 09:03 |
| openstackgerrit | Chris Dent proposed openstack/nova master: Reparent placement objects to oslo_versionedobjects https://review.openstack.org/551529 | 09:03 |
| openstackgerrit | Chris Dent proposed openstack/nova master: Optional separate database for placement API https://review.openstack.org/362766 | 09:03 |
| openstackgerrit | Chris Dent proposed openstack/nova master: Isolate placement database config https://review.openstack.org/541435 | 09:03 |
| openstackgerrit | Chris Dent proposed openstack/nova master: Move placement exceptions into the placement package https://review.openstack.org/549862 | 09:03 |
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| openstackgerrit | Chris Dent proposed openstack/nova master: Use nova.db.api directly https://review.openstack.org/543262 | 09:09 |
| openstackgerrit | jichenjc proposed openstack/nova master: z/VM Driver: Initial change set of z/VM driver https://review.openstack.org/523387 | 09:12 |
| openstackgerrit | jichenjc proposed openstack/nova master: z/VM Driver: Spawn and destroy function of z/VM driver https://review.openstack.org/527658 | 09:12 |
| openstackgerrit | jichenjc proposed openstack/nova master: z/VM Driver: add snapshot function https://review.openstack.org/534240 | 09:12 |
| openstackgerrit | jichenjc proposed openstack/nova master: z/VM Driver: add power actions https://review.openstack.org/543340 | 09:12 |
| openstackgerrit | jichenjc proposed openstack/nova master: z/VM Driver: add get console output https://review.openstack.org/543344 | 09:12 |
| openstackgerrit | Chris Dent proposed openstack/nova master: DNM: Demo code for microversion parse extraction https://review.openstack.org/550265 | 09:12 |
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| bauzas | morning folks | 09:30 |
| cdent | mornin | 09:31 |
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| gibi | late morning | 10:15 |
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| sar | does anyone know where in the database this info is stored: os-extended-volumes:volumes_attached | 10:35 |
| sar | and which database. nova or cinder | 10:35 |
| sar | specifically where delete_on_termination can be found | 10:36 |
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| kashyap | mdbooth: That's the redundant Cinder call, is it? | 10:40 |
| kashyap | bdms = objects.BlockDeviceMappingList.get_by_instance_uuid( | 10:40 |
| kashyap | ctxt, instance.uuid) | 10:40 |
| kashyap | In nova/compute/manager.py, _post_live_migration() | 10:40 |
| mdbooth | kashyap: No, the redundant cinder call is the second call to initialize_connection | 10:40 |
| mdbooth | To fetch the connection_info which we had before, but overwrote during pre_live_migration | 10:41 |
| kashyap | Err, the yeah. /me reads closer | 10:42 |
| mdbooth | kashyap: With my patch we're still fetching those BDMs, we just do it earlier, before calling pre_live_migration | 10:42 |
| kashyap | Yeah, re-reading your commit | 10:42 |
| mdbooth | That means we've stored the 'old' values, which is also why I've explicitly named them source_bdms. | 10:43 |
| kashyap | Yeah, noticed the 'source_bdms' parameter, and the accompanying code comment | 10:44 |
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| mdbooth | kashyap: I'd be glad of a critical eye on that, btw. Substantive -1s very much appreciated! | 10:45 |
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| kashyap | mdbooth: Understood. I don't claim expertise in the BDM area, first educating myself about the code area. | 10:46 |
| kashyap | mdbooth: Also sounds like you want to see it exercise in a functional test by "someone"? | 10:46 |
| kashyap | (Besides the 'mocks' in the unit tests) | 10:47 |
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| mdbooth | Well testing is something I'm not sure of. I have tested it manually (well, the equivalent backported to Newton), but ideally it's not doing anything it wasn't doing before, just in a different order. | 10:48 |
| mdbooth | So if you've got an idea for a useful additional test that would also be good. | 10:48 |
| mdbooth | stephenfin: ^^^ | 10:48 |
| kashyap | Ah, okay. I see you're more looking for any potential races | 10:48 |
| mdbooth | There shouldn't be an issue with races because the call to pre_live_migration is synchronous, but again please verify. | 10:49 |
| * kashyap nods | 10:50 | |
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| kashyap | `git review -d` for a tiny change is horribly slow for me; wonder if it's just me | 10:56 |
| kashyap | (It's _still_ "downloading", for Pete's sake.) | 10:57 |
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| kashyap | Done; /me should've timed it | 11:03 |
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| openstackgerrit | Bence Romsics proposed openstack/osc-placement master: Do not depend on jenkins user in devstack gate https://review.openstack.org/552476 | 11:05 |
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| openstackgerrit | Stephen Finucane proposed openstack/nova master: Transform live_migration.post.dest notifications https://review.openstack.org/469784 | 11:19 |
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| openstackgerrit | Raoul Hidalgo Charman proposed openstack/nova master: Expose shutdown retry interval as config setting https://review.openstack.org/552483 | 11:39 |
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| kashyap | mdbooth: Should the comment here in post_live_migration() be updated, in light of your change: https://github.com/openstack/nova/blob/master/nova/virt/libvirt/driver.py#L7716,#L7729 | 12:18 |
| kashyap | Tell me if I'm talking nonsense... | 12:18 |
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| mdbooth | kashyap: Um... no you're not. I've lost the libvirt driver change in the forward port :/ | 12:25 |
| kashyap | mdbooth: Wanted to check here before I added a comment in the review; | 12:25 |
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| cdent | edleafe: do you have an opinion on whether we need both 'any' and 'all' on member_of? (I think you answered everything else I mentioned on that review) | 12:31 |
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| openstackgerrit | Raoul Hidalgo Charman proposed openstack/nova master: Expose shutdown retry interval as config setting https://review.openstack.org/552483 | 12:34 |
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| edleafe | cdent: the only use cases ever discussed were for the 'any' case | 12:35 |
| edleafe | cdent: I can't think of an 'all' case, but I think that would be appropriate for an iterative approach if it ever does arise | 12:36 |
| * cdent snickers | 12:36 | |
| cdent | my brain struggles to articulate the reason for the 'any' case. It's the 'all' case that seems obvious to me but I suspect I'm not understanding the path of things in nova-scheduler | 12:37 |
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| edleafe | Right now we get back all RPs. This is simply a way to begin to limit that through aggs | 12:38 |
| edleafe | IIRC, the initial approach was a single agg, but later discussions felt that was a bit too restrictive (don't remember details), so multiple agg candidates were proposed | 12:39 |
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| openstackgerrit | Surya Seetharaman proposed openstack/nova master: [WIP] Add disabled field to CellMapping object https://review.openstack.org/550090 | 12:40 |
| openstackgerrit | Surya Seetharaman proposed openstack/nova master: [WIP] Add CellMappingList.get_all_enabled() query method https://review.openstack.org/550188 | 12:40 |
| openstackgerrit | Surya Seetharaman proposed openstack/nova master: [WIP] Allow scheduling only to enabled cells (Filter Scheduler) https://review.openstack.org/550527 | 12:40 |
| openstackgerrit | Surya Seetharaman proposed openstack/nova master: [WIP] Add disabled column to cell_mappings table. https://review.openstack.org/552505 | 12:40 |
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| openstackgerrit | Surya Seetharaman proposed openstack/nova master: [WIP] Bump versions of objects dependent on CellMapping https://review.openstack.org/550432 | 12:43 |
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| openstackgerrit | Bence Romsics proposed openstack/osc-placement master: WIP Do not depend on jenkins user in devstack gate https://review.openstack.org/552476 | 12:52 |
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| openstackgerrit | Surya Seetharaman proposed openstack/nova-specs master: Support disabling a cell https://review.openstack.org/546684 | 12:57 |
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| openstackgerrit | sahid proposed openstack/nova master: libvirt: slow live-migration to ensure network is ready https://review.openstack.org/497457 | 13:10 |
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| HW-Peter | hey | 13:11 |
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| HW-Peter | is there a way to regenerate the libvirt config file for an active instance using the API, without recreating the instnace? | 13:12 |
| openstackgerrit | Merged openstack/nova master: Fix N358 hacking check https://review.openstack.org/547670 | 13:12 |
| openstackgerrit | Merged openstack/nova master: Remove old flavor_access_get_by_flavor_id db api method https://review.openstack.org/539700 | 13:12 |
| openstackgerrit | Merged openstack/nova master: Make the InstanceMapping marker UUID-like https://review.openstack.org/539323 | 13:13 |
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| edleafe | cdent: my gabbi-fu is weak these days. Is there a way to use a UUID defined in the fixture in a URL call? E.g.: GET /allocation_candidates?member_of=$ENVIRON['AGG1_UUID'] | 13:26 |
| cdent | yeah, pretty much just like that | 13:26 |
| cdent | the fixture needs to set the environ (it does a few of those already) | 13:27 |
| edleafe | cdent: ok, wasn't sure where the substitutions were allowed | 13:27 |
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| cdent | pretty much anywhere on the right hand side | 13:27 |
| sean-k-mooney | cdent: no mather how many times i see it in opnestack code it still amuses me we use environ for things like this | 13:27 |
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| cdent | sean-k-mooney: it comes out of the fact that gabbi is capable of being used for running tests from any language (using gabbi-runner, the cli) and the environ is sort of the universal thing | 13:28 |
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| cdent | edleafe: you can do left hand subs in response_json_paths | 13:29 |
| cdent | https://gabbi.readthedocs.io/en/latest/format.html#substitution | 13:29 |
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| openstackgerrit | Bence Romsics proposed openstack/osc-placement master: WIP Do not depend on jenkins user in devstack gate https://review.openstack.org/552476 | 13:29 |
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| HW-Peter | if an instance had it's libvirt xml file deleted, is there a way to regenerate it? | 13:30 |
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| openstackgerrit | Merged openstack/nova master: Transform servergroup.addmember notification https://review.openstack.org/541101 | 13:32 |
| openstackgerrit | Merged openstack/nova master: conf: Remove deprecated 'allow_instance_snapshots' opt https://review.openstack.org/499621 | 13:32 |
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| edleafe | cdent: thanks; I got that part. I wasn't sure if putting them in the URL was allowed | 13:36 |
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| cdent | yeah, from gabbi's perspective (at that stage) it is just a string | 13:37 |
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| tblakes | gibi: In the case where a deploy fails with NoValidHost, do you know where the notification is sent out that the deploy failed with that exception? Was that changed at all in the queens release? | 13:47 |
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| openstackgerrit | Matthew Booth proposed openstack/nova master: Avoid redundant initialize_connection on source post live migration https://review.openstack.org/551302 | 13:54 |
| openstackgerrit | Matthew Booth proposed openstack/nova master: Avoid redundant initialize_connection on source post live migration https://review.openstack.org/551302 | 13:55 |
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| openstackgerrit | Bence Romsics proposed openstack/osc-placement master: Do not depend on jenkins user in devstack gate https://review.openstack.org/552476 | 13:56 |
| stephenfin | gibi: Fancy sending these on their merry way? https://review.openstack.org/#/q/status:open+project:openstack/nova+branch:master+topic:crypto-cleanup | 13:58 |
| openstackgerrit | Surya Seetharaman proposed openstack/nova master: Marker reset option for nova-manage map_instances https://review.openstack.org/539501 | 13:58 |
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| gibi | stephenfin: I will do that shortly | 13:59 |
| gibi | tblakes: let me dig out | 13:59 |
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| edleafe | cdent: no, I guess you can't put an ENVIRON value in the URL. I tried, and the call was rejected as invalid, with this output: u'member_of': u'$ENVIRON[AGGA_UUID]' | 14:00 |
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| edleafe | cdent: Any other ideas? | 14:00 |
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| edleafe | cdent: I'd really rather not hardcode UUIDs into the tests | 14:01 |
| cdent | you can do it, so there's something else wrong | 14:01 |
| cdent | are you working in a new file, or an existing one? | 14:01 |
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| gibi | tblakes: is this about the preemptible instances feature? | 14:01 |
| edleafe | existing | 14:01 |
| cdent | which fixture did you set your eviron in? is it liste in fixtures: at the top of the yaml file? | 14:01 |
| gibi | tblakes: if yes then I summarized what we have today in notifications in the nova rocky etherpad https://etherpad.openstack.org/p/nova-ptg-rocky starting at L470 | 14:02 |
| lennyb | Hi, I have nova instance stuck in 'deleting' after trying to deploy it with ironic. nova force-delete is not working as well. I am working with master branches. Any ideas how to solve this? | 14:02 |
| edleafe | yeah - I'm adding tests to the allocation-candidates.yaml GABBIT | 14:02 |
| edleafe | eek! capslock! | 14:02 |
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| cdent | edleafe: It's hard for me to guess, if you wanna push or paste I can look | 14:04 |
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| edleafe | cdent: ok, gimme a few | 14:04 |
| tblakes | gibi: No this isn't about preemptible instances. I'm just wondering about the basic case where a VM deploy fails with NoValidHost. I haven't been able to find where that failure notification should get sent out. | 14:05 |
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| gibi | tblakes: searching the code... | 14:09 |
| edleafe | cdent: ok, flase alarm. A missing quote mark was the culprit. The output made me think that gabbi didn't substitute the value | 14:14 |
| edleafe | false alarm, even | 14:14 |
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| gibi | tblakes: I think this is the place https://github.com/openstack/nova/blob/107ad403d46c9d6961c5b15c68df0fa24014a832/nova/conductor/manager.py#L588 | 14:14 |
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| gibi | tblakes: this emits the legacy compute_task.build_instances notification | 14:15 |
| gibi | tblakes: example of the payload is here http://paste.openstack.org/show/688874/ | 14:15 |
| cdent | edleafe: if you see the original string in the error output it can only be two thing: the sub couldn't happen because it wasn't able to be parsed as a sub (your case?) or it was parseable but the info couldn't be retrieved (the environ is not set) | 14:15 |
| gibi | tblakes: transformation of that legacy notification is still ongoing in https://review.openstack.org/#/c/482629/ | 14:16 |
| cdent | in the former case we can't error that the sub didn't happen because gabbi doesn't know it was supposed to be a sub | 14:16 |
| gibi | tblakes: I don't know about any change around these code path in Queens | 14:16 |
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| gibi | tblakes: at least not for the notification | 14:17 |
| edleafe | cdent: makes sense | 14:20 |
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| edleafe | cdent: now I'm down to debugging sqla failures. Joy! | 14:20 |
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| tblakes | gibi: Thanks for pointing me to the code in build_instances! | 14:21 |
| gibi | stephenfin: about the crypto removal patches, is this a followup of the bp remove-nova-cert | 14:21 |
| gibi | stephenfin: or how we ended up with so many dead code? | 14:22 |
| gibi | tblakes: no problem, I'm happy to help | 14:22 |
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| kashyap | johnthetubaguy: Thanks for review here: https://review.openstack.org/#/c/534384/. Just reading through | 14:26 |
| kashyap | johnthetubaguy: A quick note on the name: `cpu_model_extra_flags`. I used the term 'flags' there because, all these extra features are enumerated under 'flags' when you run `cat /proc/cpuinfo` | 14:27 |
| kashyap | But anyway; that's relatively minor :-). I'll get to the rest of the core changes first | 14:28 |
| johnthetubaguy | kashyap: ah, got you, I could go either way | 14:28 |
| johnthetubaguy | cool | 14:28 |
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| kashyap | Thanks | 14:29 |
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| openstackgerrit | Eric Fried proposed openstack/nova-specs master: Allow for merging traits and aggregates https://review.openstack.org/552122 | 14:32 |
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| SamYaple | i cant seem to find this information online, but assuming i have multiple cellv2 cells, can an instance migrate (or preferably live-migration) between the cells? | 14:32 |
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| stephenfin | gibi: I'm not really sure. I spotted it by chance and realized I could go delete it all | 14:36 |
| gibi | stephenfin: meanwhile I checked and I think nova-cert was the last user | 14:36 |
| gibi | stephenfin: anyhow seems safe to remove | 14:37 |
| stephenfin | gibi: Good to hear :) | 14:37 |
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| gibi | stephenfin: I've sent all 3 patches to the gate | 14:43 |
| stephenfin | gibi: Excellent. Thank you :) | 14:43 |
| gibi | stephenfin: going back to reading your mypy example :) | 14:43 |
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| openstackgerrit | Nguyen Hai proposed openstack/nova-specs master: Enhance nova-specs repo and webpage https://review.openstack.org/551802 | 14:49 |
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| jaypipes | stephenfin: will be 4 mins late to nmeetubg | 14:51 |
| jaypipes | meeting | 14:51 |
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| openstackgerrit | Ed Leafe proposed openstack/nova master: Add 'member_of' param to GET /allocation_candidates https://review.openstack.org/552098 | 14:54 |
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| dansmith | edleafe: oh that reminds me you pinged me yesterday during a meeting and I forgot | 14:55 |
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| edleafe | dansmith: if your sqla-fu is strong, I need to find out why the added join isn't working | 14:55 |
| edleafe | jaypipes ^^ | 14:56 |
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| dansmith | it's weak, but let me look over it | 14:56 |
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| edleafe | Speaking of meetings... off I go into that black hole.. | 14:56 |
| dansmith | edleafe: I don't think you need to make this patch depend on any of mine | 14:56 |
| dansmith | it can go in straight away | 14:56 |
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| edleafe | dansmith: sure, I can switch that | 14:58 |
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| tssurya | dansmith : mriedem gave his blessings on https://review.openstack.org/#/c/546684/ ; whenever you have the time could you please circle back for your re-approval ? | 14:58 |
| dansmith | tssurya: I saw, it's in my queue | 14:59 |
| tssurya | dansmith: thank you | 14:59 |
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| dansmith | edleafe: yeah that join is over my head for sure | 15:00 |
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| edleafe | dansmith: I was trying to follow the "join chain" logic in the rest of the code, but sqla doesn't like the "in" clause, it seems | 15:03 |
| dansmith | edleafe: and member_of is a list of strings yeah? | 15:03 |
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| edleafe | dansmith: yep | 15:04 |
| dansmith | edleafe: we should try query.summon(guru=jaypipes).execute() | 15:04 |
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| edleafe | dansmith: that reads like we're going to execute Jay | 15:05 |
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| dansmith | heh | 15:05 |
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| Spaz-Home | Man didn't deny it | 15:10 |
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| cdent | edleafe: you getting an error or bad results on that join chain? have you debugged to look at the generated table? is the join between the rp_tbl and rp_agg_tbl happening somewhere else already or do you need to hork that in there somewhere too? looks like that may be missing | 15:16 |
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| edleafe | cdent: getting an error from sqla on the join clause itself. | 15:17 |
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| cdent | it looks like it is an orphan | 15:17 |
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| edleafe | cdent: lemme paste the error | 15:19 |
| cdent | ✔ | 15:19 |
| edleafe | cd http://paste.openstack.org/show/699991/ | 15:21 |
| edleafe | cdent: ^^ | 15:22 |
| * cdent looks | 15:22 | |
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| cdent | edleafe: the third argument to join is the onclause, and you've got a table | 15:25 |
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| cdent | so it trying to write a query but a table has no boolean characteristic | 15:26 |
| cdent | http://docs.sqlalchemy.org/en/rel_1_1/core/selectable.html?highlight=sa%20join#sqlalchemy.sql.expression.join | 15:26 |
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| edleafe | cdent: ah, ok. I was trying to copy Jay's existing join chain logic | 15:28 |
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| edleafe | let me try breaking that up into two steps | 15:28 |
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| edleafe | ...after meetings are done, of course! | 15:29 |
| cdent | edleafe: I think basically you need more than one join | 15:30 |
| edmondsw | melwitt should I be doing anything to get eyes on the PowerVM virt driver spec for Rocky besides where I added to https://etherpad.openstack.org/p/rocky-nova-priorities-tracking? | 15:31 |
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| mriedem | sahid: let me know if you have any questions about my comments in https://review.openstack.org/#/c/485522/ | 15:34 |
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| jaypipes | edleafe: on a call with stephenfin and gibi. gimme about 15 mins? | 15:40 |
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| sahid | mriedem: ack, will have a look and let you know | 15:43 |
| edleafe | jaypipes: cdent may have pointed me in the right direction. Wait until my next revision | 15:44 |
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| sahid | mriedem: in that meantime if i can ask you to have a look at this: https://review.openstack.org/#/c/539605/ i think we are all agree | 15:47 |
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| mriedem | hmm | 15:48 |
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| sahid | does that "hum" means you are not agree... :) | 15:50 |
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| jaypipes | stephenfin, gibi: https://etherpad.openstack.org/p/nfDwesfaMs | 15:53 |
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| openstackgerrit | Merged openstack/python-novaclient master: Updated from global requirements https://review.openstack.org/552384 | 16:07 |
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| openstackgerrit | Merged openstack/nova master: Transform live_migration.post.dest notifications https://review.openstack.org/469784 | 16:10 |
| mriedem | sahid: comments inline | 16:11 |
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| mriedem | sahid: i won't claim to know much about virtio-net multiqueue | 16:13 |
| mriedem | so my comments and questions are mostly about the big picture and for understanding | 16:14 |
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| dansmith | mriedem: do you care to scrutinize the os-vif and networky bits of this? https://review.openstack.org/#/c/489451/30 | 16:15 |
| mriedem | it's not using os-vif is it? | 16:16 |
| mriedem | also https://blueprints.launchpad.net/nova/+spec/live-migration-in-xapi-pool isn't approved | 16:16 |
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| mriedem | is this the thing to drop the aggregate up-call for xen live migration? | 16:17 |
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| Spaz-Home | Oh there's a blueprint for that | 16:19 |
| Spaz-Home | ? | 16:19 |
| Spaz-Home | that makes me happy if so | 16:19 |
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| dansmith | mriedem: yeah, we need to approve it specless I think, we discussed that at PTG | 16:19 |
| Spaz-Home | I think i'd like to talk to Niachuan about that.. | 16:20 |
| dansmith | mriedem: what I meant about os-vif is using your os-vif awareness to review all the networky bits of that | 16:20 |
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| mriedem | dansmith: comments inline | 16:21 |
| mriedem | that patch doesn't remove the aggregate up-call at all | 16:21 |
| mriedem | also, i don't have os-vif awareness :) | 16:21 |
| dansmith | I know, see my comment | 16:21 |
| mriedem | except to say i'm aware it exists | 16:22 |
| dansmith | this patch allows live migration through a different pool mechanism, other than aggregates | 16:22 |
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| dansmith | which we discussed on friday at PTG, | 16:22 |
| dansmith | is a precursor to removing the aggregate stuff | 16:22 |
| Spaz-Home | I'd honestly like there to be a switch in there to allow for neither of those to be used. | 16:22 |
| Spaz-Home | For example just using Cells and not HA pools | 16:23 |
| dansmith | um | 16:23 |
| dansmith | cells has nothing to do with this, but maybe you mean "just assume you can live migrate anywhere" ? | 16:23 |
| openstackgerrit | Stephen Finucane proposed openstack/osc-placement master: Resolve nits from I552688b9ee32b719a576a7a9ed5e4d5aa31d7b3f https://review.openstack.org/537971 | 16:23 |
| Spaz-Home | I mean that don't assume that it needs to be aggregated to live migrate. Cells does have to do with it when it can use Cells to know what to migrate to. | 16:23 |
| Spaz-Home | or pooled as well really | 16:24 |
| dansmith | this change has an "assume on the same network" flag, which I would assume is that? | 16:24 |
| dansmith | but still, I don't see how "it can use cells to know" | 16:24 |
| mriedem | so in other words, this is routed networks for xenapi live migration? | 16:25 |
| dansmith | the xen driver has always had a mechanism to determine if two hosts can live migrate between each other (aggregates), | 16:25 |
| dansmith | this is using a different mechanism for that now, | 16:25 |
| Spaz-Home | It's also been pretty inconsistent. block-migration skips it completely | 16:25 |
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| dansmith | right | 16:26 |
| Spaz-Home | But yeah I can agree.. so long as it's consistent | 16:26 |
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| openstackgerrit | Merged openstack/nova master: Updated from global requirements https://review.openstack.org/552363 | 16:27 |
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| dansmith | Spaz-Home: are you going to comment on that patch or what? I can't tell if you have feedback or concerns | 16:29 |
| Spaz-Home | It may be worth saving that for a separate patch though to bring block-migration into proper parity as it is not the only issue that it is missing. | 16:29 |
| Spaz-Home | Still just reading it and thinking, sir. | 16:29 |
| melwitt | jichen: we're tracking them on the priorities etherpad at L95. I've added your patches there https://etherpad.openstack.org/p/rocky-nova-priorities-tracking | 16:29 |
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| Spaz-Home | Just figured i'd talk it out with people as I assume the nova development IRC room was for that.. | 16:30 |
| Spaz-Home | But if not forgive me. | 16:30 |
| mriedem | this room is only for kitten jokes | 16:31 |
| dansmith | Spaz-Home: okay I'm just trying to make sure you comment on there if you have opinions one way or the other | 16:31 |
| Spaz-Home | Right now I don't, just thinking about it.. but the more I think it's the same behavior it exhibits now just in a different way, and I cannot oppose that on concept alone | 16:32 |
| mriedem | Spaz-Home: in other words, xenapi users / operators are actually pretty far and few between, so people that actually know how it works and can provide feedback on the review is very helpful | 16:32 |
| Spaz-Home | I think maybe a follow-up commit to bring -block-migration into parity is a better method. | 16:32 |
| mriedem | Spaz-Home: b/c i have no authority on xenapi virt driver knowledge | 16:32 |
| Spaz-Home | And the cells thing is more my jenky environment running that i'm looking to preserve, so I will drop that argument for it :D | 16:32 |
| jaypipes | sean-k-mooney: "deleting all the functional tests is not a solution to getting them running". <-- classic. | 16:33 |
| melwitt | edmondsw: I think that should be sufficient. I'm going to be sending periodic reminders to the dev ML and mention in nova meetings to help people remember to look at the priorities etherpad | 16:33 |
| Spaz-Home | I'll talk with the citrix folks on it tonight though and comment on it a bit later after some rest. | 16:34 |
| dansmith | Spaz-Home: can you make sure someone shows up to the nova meeting to make sure the bp gets approved? | 16:34 |
| dansmith | I'll add it to the agenda now before I forget | 16:34 |
| Spaz-Home | Yeah i'll ping them all tonight to remind them. | 16:35 |
| Spaz-Home | I work their hours so we see each other more than you guys do I Think | 16:35 |
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| Spaz-Home | melwitt, if you got my message while you were on vacation, I finished that script to pull metrics. If the numbers are something you're interested in let me know and i'll send them your way. | 16:40 |
| Spaz-Home | Need to pull them for the previous 10 releases or so tonight, Will send you over a CSV. | 16:40 |
| melwitt | Spaz-Home: not yet, sorry. I haven't yet gone through all the pings yet | 16:42 |
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| Spaz-Home | No worries at all, just figured i'd send a follow up for ya :) | 16:44 |
| Spaz-Home | Absolutely bottom priority | 16:44 |
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| edmondsw | melwitt thanks | 16:45 |
| melwitt | efried: on the runways thing, it will be at least linked to from the priorities etherpad. this week I'm writing up an etherpad on how I think it will work and I'll send it to the dev ML for people to add their input, then we'll finalize how it will work and whether it gets its own etherpad | 16:46 |
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| efried | melwitt: Cool beans, thanks. I just didn't know if it was already "launched" and I just didn't know where. | 16:47 |
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| melwitt | efried: ah, okay. sorry bout that, I was on PTO last week so this week I'm doing the things like writing up PTG summaries for the non-placement stuff and writing up something for runways, etc | 16:49 |
| efried | No worries. I also have been on PTO. Enjoy catching up :P | 16:49 |
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| melwitt | :) | 16:50 |
| Spaz-Home | Good to see the nova channel back in full gear though :) | 16:50 |
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| openstackgerrit | Ed Leafe proposed openstack/nova master: Add 'member_of' param to GET /allocation_candidates https://review.openstack.org/552098 | 17:03 |
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| edleafe | jaypipes: dansmith: cdent: ^^ Tests should be working now | 17:03 |
| openstackgerrit | Merged openstack/nova-specs master: Support disabling a cell https://review.openstack.org/546684 | 17:03 |
| edleafe | Still need to add a reno | 17:03 |
| dansmith | sweet | 17:03 |
| mdbooth | kashyap: stephenfin The tests that I care about passed: https://review.openstack.org/#/c/551302/ | 17:04 |
| mdbooth | Mind taking another look? Now with libvirt driver changes :/ | 17:05 |
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| bauzas | man, that NUMA spec makes me mad | 17:09 |
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| cdent | edleafe: yeah that double join makes far more sense | 17:10 |
| cdent | otherwise there's no attachment to the rp table | 17:11 |
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| openstackgerrit | Matt Riedemann proposed openstack/nova master: Make nova-cells-v1 run with neutron https://review.openstack.org/549789 | 17:18 |
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| bauzas | stephenfin: sahid: others: do you know if Nova supports ccNUMA ? | 17:24 |
| stephenfin | bauzas: ccNUMA? | 17:26 |
| dansmith | edleafe: do we need a reno for a placement api change? | 17:26 |
| bauzas | I mean, my question is: do we have NUMA nodes having different cache numbers for CPUs ? | 17:26 |
| stephenfin | bauzas: Also, which spec is upsetting you? :) | 17:26 |
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| stephenfin | bauzas: I hadn't heard of it before so I would assume not | 17:26 |
| bauzas | stephenfin: https://en.wikipedia.org/wiki/Non-uniform_memory_access#/media/File:Hwloc.png | 17:26 |
| openstackgerrit | Merged openstack/nova-specs master: Allow for merging traits and aggregates https://review.openstack.org/552122 | 17:27 |
| bauzas | stephenfin: ccNUMA means that you can have multiple cache levels | 17:27 |
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| bauzas | I mean, for the same NUMA node | 17:27 |
| stephenfin | bauzas: Oh, that sounds a bit like the cluster-on-die thing sean-k-mooney has been on about for years | 17:27 |
| bauzas | no worries | 17:28 |
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| stephenfin | We just use whatever libvirt is reporting to us. Based on that hwloc output, we'd see four NUMA nodes/sockets for that system | 17:28 |
| bauzas | so, the only resouces per NUMA node are just memory and devices, right? | 17:28 |
| stephenfin | Hugepages and PCI devices, yup | 17:28 |
| bauzas | I mean, the ones we know | 17:28 |
| stephenfin | Be they PCI passthrough or SR-IOV | 17:29 |
| bauzas | k | 17:29 |
| stephenfin | I'm trying to add PCI devices used by vSwitches and I guess vGPU will use that at some point too | 17:29 |
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| bauzas | stephenfin: yeah, hence why I'm writing a spec | 17:30 |
| bauzas | for NUMA affinity for vGPUs | 17:30 |
| bauzas | at least, that spec is just about providing a RP tree for NUMA nodes | 17:30 |
| stephenfin | Gotcha. Stick me on that once you've something drafted. Would be interested in seeing what it looks like | 17:30 |
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| bauzas | if we have PCI devices attached to a specific NUMA node, we could imagine those being nested RPs | 17:30 |
| stephenfin | Yup, that's the plan | 17:31 |
| stephenfin | a cycle or two from now though | 17:31 |
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| cdent | jaypipes: if you can put your +2 back on here https://review.openstack.org/#/c/540049/ then 3 things can merge and there will much rejoicing | 17:31 |
| stephenfin | at least, afaik | 17:31 |
| bauzas | but the memory would just be a resource class | 17:31 |
| bauzas | even for hugepages | 17:31 |
| stephenfin | Not nested under NUMA nodes? | 17:31 |
| bauzas | that was my question about L2 caches | 17:31 |
| bauzas | yeah | 17:31 |
| stephenfin | Hmm, that seems...odd | 17:31 |
| bauzas | each NUMA node has some memory, right? | 17:32 |
| stephenfin | Then again, so does two views into what are essentially the same thing | 17:32 |
| stephenfin | They should | 17:32 |
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| bauzas | okay, lemme draft the spec then | 17:32 |
| stephenfin | Though I can't remember what happens if you leave some sockets on the motherboard empty | 17:32 |
| bauzas | because IMHO, unless some cache memory isn't shared across the NUMA node, I see that as just a resource class for the NUMA node RP | 17:33 |
| stephenfin | Yup | 17:33 |
| bauzas | like CPUs | 17:33 |
| bauzas | ie. I have a 2-sockets with 4 cores each, HT | 17:33 |
| stephenfin | But remember, hugepages are essentially normal memory | 17:33 |
| stephenfin | You can have 4k huge pages | 17:33 |
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| stephenfin | *"huge pages" | 17:34 |
| stephenfin | We currently have open bugs around not tracking that stuff correctly | 17:34 |
| bauzas | in that case, I'd have 2 NUMA nodes with 8 CPUs each | 17:34 |
| stephenfin | Yup | 17:34 |
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| openstackgerrit | Merged openstack/nova master: crypto: Remove unused functions https://review.openstack.org/550772 | 17:34 |
| bauzas | ie. 2 child RPs, with each of those having some memory and a VCPU RC of 8 | 17:34 |
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| bauzas | ok, I'm going to model this | 17:35 |
| bauzas | stephenfin: hugepages sound a different resource class, right? | 17:35 |
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| bauzas | stephenfin: https://blueprints.launchpad.net/nova/+spec/numa-topology-with-rps is the boilerplate | 17:36 |
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| stephenfin | bauzas: Yup, but I don't know if we have any way to identify 4k "huge pages" from normal, non huge-page memory | 17:36 |
| stephenfin | I need to root out those bugs to get the full context again | 17:37 |
| bauzas | right | 17:37 |
| melwitt | mriedem: on https://blueprints.launchpad.net/nova/+spec/add-server-group-remove-member-notifications, I'm not sure we want to notify about server group member removal upon overquota. the "remove server group member" is not a public API and the overquota in this case would be the one that occurs during a quota recheck, and I didn't think we'd want to expose that to an end user | 17:37 |
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| stephenfin | bauzas: Enjoy drafting that. I'm off for a run o/ | 17:38 |
| melwitt | mriedem: guess I'll comment on the bp whiteboard | 17:38 |
| openstackgerrit | Merged openstack/nova master: ca: Remove 'nova/CA' directory https://review.openstack.org/550773 | 17:39 |
| openstackgerrit | Merged openstack/nova master: conf: Remove 'nova.crypto' opts https://review.openstack.org/550774 | 17:40 |
| jaypipes | cdent: done | 17:43 |
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| lyarwood | stephenfin: https://docs.openstack.org/nova/latest/configuration/config.html - under passthrough_whitelist - are the quotes all rendering as unicode left “ and right ” quotation marks for you? Have a guess what this does if you copy things into nova.conf ^_^ | 17:43 |
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| efried | I have never found smart quotes to be as advertised. | 17:45 |
| cdent | thanks jaypipes | 17:45 |
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| openstackgerrit | Elod Illes proposed openstack/nova master: WIP: Transform scheduler.select_destinations notification https://review.openstack.org/508506 | 17:46 |
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| openstackgerrit | Surya Seetharaman proposed openstack/nova master: Make archive_deleted_rows handle a missing CONF.api_database.connection https://review.openstack.org/550967 | 17:54 |
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| jaypipes | dansmith: not sure I follow you with "dynamic section like cinder does for backends". could you clue me in on that with a link to what you're referring to? | 17:59 |
| dansmith | jaypipes: do you remember the discussion we had on thursday in the lunch room? | 18:00 |
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| dansmith | jaypipes: cinder has a thing where you define backend names, and then it assumes you have created a section in config named "backend_%(name)s", with keys in it | 18:01 |
| jaypipes | dansmith: I don't believe I was there, no. (I don't remember sharing lunch with you on any of the days) | 18:01 |
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| dansmith | which is a way to encode dicts in ini format in less nasty form | 18:01 |
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| dansmith | jaypipes: I was speaking directly to you, you were there :) | 18:01 |
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| jaypipes | dansmith: which soup was it? :) | 18:01 |
| cdent | that was the twin | 18:01 |
| dansmith | this was when we relocated to the lunch room of the hotel on thursday afternoon for the neutron discussion | 18:02 |
| dansmith | jaypipes: no soup, it was not over lunch | 18:02 |
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| jaypipes | k. gibi had indeed brought up the option of doing something like physnet_mapping_%(physnetname)s instead of a single config option. I wasn't keen on that. | 18:03 |
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| jaypipes | dansmith: sorry, I just don't remember that conversation :( | 18:03 |
| dansmith | I _hate_ encoding json in our config files | 18:04 |
| dansmith | I think it's a pain we should not inflict on humans | 18:04 |
| dansmith | there's prior art for this in at least cinder | 18:04 |
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| dansmith | we previously broke operators with the pci whitelist when we accidentally changed the format from a list to a dict, because it was json and thus obscure that anything was changing | 18:05 |
| dansmith | that caused people a lot of pain, on top of the pain required to view/edit it in general | 18:05 |
| jaypipes | dansmith: so we'd have multiple options like this? physnet_mapping_physnet0_name = "tenant_data_0"; physnet_mapping_physnet0_numa_nodes = 0,1; | 18:05 |
| jaypipes | dansmith: personally I find encoded that to be less nice than just putting it in a JSON blob. | 18:05 |
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| dansmith | no | 18:06 |
| mriedem | melwitt: notifications are on the rpc queue, so the user wouldn't see them... | 18:06 |
| dansmith | jaypipes: https://pastebin.com/zP7eyAZw | 18:07 |
| jaypipes | dansmith: mind etherpadding up your proposed conf option format? | 18:07 |
| jaypipes | lol | 18:07 |
| jaypipes | jinx | 18:07 |
| mriedem | unless you mean user = admin/operator looking at notifications; as for the actual usefulness of that specific case, i don't think it's really useful either since it's normal during a quota recheck | 18:07 |
| jaypipes | always ten steps ahead of me :) | 18:07 |
| mriedem | i.e. we don't send a versioned notification when server create fails due to overquota on ram/cpu | 18:07 |
| jaypipes | dansmith: heh, ok. sure, I can go for that. | 18:07 |
| jaypipes | dansmith: excellent use of the words "bloopy" and "poopy" | 18:07 |
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| dansmith | um, excuse me. | 18:08 |
| dansmith | it's "boopy" | 18:08 |
| jaypipes | oh, my mistake. yes, boopy. | 18:08 |
| mriedem | lyarwood: i don't see the problem, clear as day https://docs.openstack.org/nova/latest/configuration/config.html#pci.passthrough_whitelist | 18:09 |
| jaypipes | dansmith: k. added a link on the spec and mentioned I could go for that. | 18:09 |
| dansmith | ack | 18:09 |
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| lyarwood | mriedem: so for me that renders with unicode quotes that when copied into nova.conf makes n-cpu bork | 18:14 |
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| mriedem | lyarwood: i was joking, of course it does | 18:16 |
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| lyarwood | wunderbar | 18:17 |
| mriedem | https://github.com/openstack/nova/blob/master/nova/conf/pci.py#L66 all looks pretty normal to me though | 18:17 |
| edleafe | dansmith: I assume that all microversion changes, placement or not, require a reno | 18:19 |
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| dansmith | edleafe: okay I thought just a spec, but I don't really review that many api changes | 18:19 |
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| mriedem | arvindn05: comments on https://review.openstack.org/#/c/541507/ | 18:23 |
| mriedem | arvindn05: i don't think we can simply pass through "trait:*" to the ImageMetaProps object, | 18:23 |
| mriedem | if you haven't yet noticed, the fields in that object are strictly defined | 18:23 |
| openstackgerrit | Eric Fried proposed openstack/nova master: placement: generation in provider aggregate APIs https://review.openstack.org/548249 | 18:24 |
| openstackgerrit | Eric Fried proposed openstack/nova master: placement: Return new provider from POST /rps https://review.openstack.org/548934 | 18:24 |
| openstackgerrit | Eric Fried proposed openstack/nova master: Stop assuming initial provider generation is 0 https://review.openstack.org/548975 | 18:24 |
| mriedem | therefore "trait:CUSTOM_FOOBARS" is going to explode if you try to hydrate it into that object | 18:24 |
| mriedem | so traits in flavors is != traits in image properties because of the wild west vs strict nature of the two | 18:24 |
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| mriedem | edleafe: this isn't pointing at the correct blueprint https://review.openstack.org/#/c/552098/ | 18:27 |
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| openstackgerrit | Surya Seetharaman proposed openstack/nova master: Marker reset option for nova-manage map_instances https://review.openstack.org/539501 | 18:31 |
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| dansmith | mriedem: it's not? | 18:34 |
| dansmith | oh, I see | 18:35 |
| dansmith | it's for mine, but we did a different spec for it because api | 18:35 |
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| edleafe | dansmith: I'm confused. I thought this was on the same BP as yours | 18:39 |
| mriedem | it's a dependency | 18:39 |
| dansmith | edleafe: we did a spec for it specifically because of the api change, which is technically a different blueprint in launchpad | 18:39 |
| dansmith | edleafe: but I know, it seemed right to me as well | 18:39 |
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| edleafe | dansmith: ok, found it | 18:42 |
| openstackgerrit | Ed Leafe proposed openstack/nova master: Add 'member_of' param to GET /allocation_candidates https://review.openstack.org/552098 | 18:42 |
| edleafe | pushed a new rev, with correct BP and shiny new reno | 18:42 |
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| melwitt | mriedem: yeah, I was thinking the quota recheck stuff is supposed to be transparent, though the more I thought about it I realized I think some behavior changed, for example, with multi-create, where overquota during recheck results in ERROR instances where it didn't before. but agreed we don't send server delete notifications for a server create fail for overquota during a recheck | 18:54 |
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| mriedem | melwitt: "with multi-create, where overquota during recheck results in ERROR instances where it didn't before" - Kevin_Zheng brought that up in denver at the queens ptg | 18:55 |
| mriedem | and was mostly written off | 18:55 |
| mriedem | just reno'ed for now https://docs.openstack.org/releasenotes/nova/pike.html#known-issues | 18:56 |
| melwitt | yeah, I remember. I thought it was worth handling (to not change the behavior) but I think I was not in the majority opinion about it | 18:56 |
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| melwitt | I was aware of putting the instances in ERROR state but for whatever reason at the time, I didn't realize that meant things used to fail in the API before | 18:57 |
| mriedem | we fail either way, | 18:57 |
| mriedem | the difference is before you didn't have 50 instances in ERROR state that you had to manually clean up | 18:58 |
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| melwitt | yeah, that's what I meant, fail in the API without creating instances. and we can't just delete them instead of putting them into ERROR state because we have no other way to signal the create failed after the API returned a 202 | 19:00 |
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| melwitt | so then we were talking about counting build requests along with instances with de-duping I think. I think it would be worth it to avoid manual cleanup for users. but I think the other argument was that operators could turn off quota recheck | 19:01 |
| mriedem | that and it would look janky if you're polling and watching the number of instances returned increase, then start automatically decreasing | 19:01 |
| mriedem | i don't know who is going to ever turn off that quota recheck flag | 19:02 |
| mriedem | but the build request count could also be based on that flag i guess | 19:02 |
| melwitt | yeah | 19:02 |
| melwitt | true | 19:02 |
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| openstackgerrit | Chris Dent proposed openstack/nova master: Use nova.db.api directly https://review.openstack.org/543262 | 19:10 |
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| openstackgerrit | Merged openstack/nova master: Move resource class fields https://review.openstack.org/540049 | 19:13 |
| openstackgerrit | Merged openstack/nova master: Move resource provider objects into placement hierarchy https://review.openstack.org/551528 | 19:14 |
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| cfriesen | maybe a weird question, but is the metadata API accessible from all instances within the guest? Or would some like PCI VF/PF not necessarily support it? Just wondering how you're supposed to access device tagging if you don't know which NICs are which. Is a config drive recommended in this case? | 19:18 |
| cfriesen | s/instances/interfaces | 19:18 |
| dansmith | cfriesen: yeah, metadata access is generally handled by overriding routing on the host, or in the neutron netns | 19:20 |
| dansmith | cfriesen: assuming conventional networking to cloud instances | 19:20 |
| dansmith | if you have only direct network access, | 19:20 |
| dansmith | then it's going to be hard | 19:20 |
| dansmith | configdrive being a better option for that (and many cases) | 19:20 |
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| artom | Keep in mind: config drive is write-once. Tagged (at|de)tachments are not reflected. | 19:24 |
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| artom | Hrmm, that reminds me... | 19:25 |
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| artom | Didn't we have a conversation at some point about making the metadata API easier to consume? | 19:26 |
| * artom goes digging. | 19:26 | |
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| artom | Ahh, virtio-sock: http://lists.openstack.org/pipermail/openstack-dev/2017-February/112602.html | 19:29 |
| openstackgerrit | Dan Smith proposed openstack/nova master: Add AggregateList.get_by_metadata() query method https://review.openstack.org/544728 | 19:29 |
| openstackgerrit | Dan Smith proposed openstack/nova master: Add aggregates list to Destination object https://review.openstack.org/544729 | 19:29 |
| openstackgerrit | Dan Smith proposed openstack/nova master: Add request filter functionality to scheduler https://review.openstack.org/544730 | 19:29 |
| openstackgerrit | Dan Smith proposed openstack/nova master: Make get_allocation_candidates() honor aggregate restrictions https://review.openstack.org/547990 | 19:29 |
| openstackgerrit | Dan Smith proposed openstack/nova master: Add require_tenant_aggregate request filter https://review.openstack.org/545002 | 19:29 |
| openstackgerrit | Dan Smith proposed openstack/nova master: WIP: Honor availability_zone hint via placement https://review.openstack.org/546282 | 19:29 |
| dansmith | edleafe: rebased on top of your patch ^ | 19:29 |
| artom | Wonder how evil it would be support the metadata API with virtio-sock in libvirt only... | 19:30 |
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| dansmith | artom: it would be fully contained in the libvirt driver I think.. not sure that'd be a problem | 19:34 |
| artom | dansmith, evil in the sense that we'd be leaving other virt drivers in a "we don't support the metadata API as well as libvirt does" state | 19:35 |
| dansmith | I dunno how addressing works on vsock, and if you'd have to come up with a well-known address or port for it, but other than that it'd just be a proxy to the http interface | 19:35 |
| artom | There'd also be the question of do we let the user decide whether they want a vsock or not | 19:36 |
| dansmith | if it's a thing cloud-init looks for and supports, then it'd try that, like it tries http, and like it looks for a configdrive | 19:36 |
| artom | I should really be thinking about other stuff, but this is more fun :/ | 19:36 |
| dansmith | no, I'd say you just expose it if libvirt can do it, maybe optional via config, | 19:36 |
| dansmith | but don't make it a user thing | 19:36 |
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| dansmith | I'm not sure it's a huge problem in need of a solution yeah :) | 19:37 |
| dansmith | worst case, give them one vif on a private network that can get to metadata :) | 19:37 |
| dansmith | ah, ports are strings, so "org.openstack.nova.metadata-api" or something | 19:38 |
| artom | Well, as we use the metadata for more stuff (what did cfriesen want to use it for at the PTG? Something to do with pinning?), the fact that operators don't like deploying it (which I gather is a thing) is becoming a problem | 19:38 |
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| cfriesen | Yeah, I use it for CPU scaling since our qemu is too old for proper CPU hotplug...the metadata tells the guest at guest kernel boot time which vCPUs should be "offline". | 19:39 |
| cfriesen | But we also have a terrible terrible feature that lets you specify the desired virtual PCI address for your virtual NICs. This was added for a customer that had legacy apps that had hardcoded PCI addresses for things. | 19:40 |
| artom | cfriesen, hah, we had a customer that wanted to do that | 19:41 |
| artom | I *think* we convinced them that device tagging was the way to go | 19:41 |
| cfriesen | yeah...but until Pike you couldn't attach/detach tagged devices | 19:41 |
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| artom | Indeed, and PFs still can't be tagged, it turns out | 19:42 |
| artom | *nudge nudge* https://review.openstack.org/#/c/533805/ ;) | 19:42 |
| cfriesen | hmm, that's kind of lame | 19:42 |
| cfriesen | I'll see if I can get our PCI guy to look at it. | 19:43 |
| * artom is now completely distracted from what he was originally doing | 19:43 | |
| artom | cfriesen, thanks :) | 19:43 |
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| cdent | sorry, not sorry, I've given lots of people a merge conflict | 19:58 |
| mikal_ | artom: I don't have a particular problem with the vsock thing if it "tastes like" normal network access inside the instance. | 20:00 |
| mikal_ | artom: in fact, it would be nice for such a thing to "sign" the request so we strongly know what instance made it. | 20:00 |
| mikal_ | artom: ala AWS | 20:00 |
| artom | mikal_, hrmm, that's actually a good question - how does the host know what instance a request came from over vsock? | 20:01 |
| mikal_ | artom: its not one vsock per instance? | 20:02 |
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| artom | mikal, it is, but... | 20:02 |
| artom | This is where what little knowledge I have of this thing breaks down | 20:02 |
| mikal | So nova knows when it sets the vsock the instance its going to wire it into... | 20:02 |
| artom | But if there's only one service listening on the host side, even if there's one vsock per guest... | 20:03 |
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| artom | Presumably they speak TCP over that vsock, so unless every instance has its own "vsock IP" that nova knows about... | 20:04 |
| artom | If berrange was here he'd probably laugh at my ignorance :/ | 20:04 |
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| dansmith | vsock works like AF_INET or AF_UNIX | 20:09 |
| dansmith | it's a socket protocol | 20:09 |
| dansmith | so no TCP or IP | 20:09 |
| dansmith | it's 1:1 and uses strings as the addressing on either end | 20:09 |
| dansmith | so it wouldn't "taste like normal networking" in that sense.. cloud-init would have to open an AF_VSOCK socket to some known port name and then try to speak HTTP over it or something, | 20:10 |
| dansmith | which something on the host could proxy to the regular metadata API, or just emulate the metadata server | 20:10 |
| dansmith | mikal: artom ^ | 20:11 |
| artom | dansmith, heh, dunno if that was off the top of your head or you did the research, but thanks regardless :) | 20:11 |
| cfriesen | artom: https://wiki.qemu.org/Features/VirtioVsock | 20:12 |
| * artom will try to propose that next cycle I guess? And maybe properly version the metadata API while we're at it :D | 20:12 | |
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| dansmith | artom: I had to refresh my memory on the port bit, but yeah, the rest is pretty straightforward | 20:15 |
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| dansmith | it's been discussed a couple times at least | 20:15 |
| mikal | dansmith: it doesn't feel hard to get changes into cloud-init, but it would take a long time to propogate | 20:15 |
| dansmith | mikal: yep, and we kinda have to do it first | 20:15 |
| dansmith | mikal: I think it'd just be one of those "use it if it's there" sort of things anyway, so it wouldn't be too bad | 20:15 |
| mikal | I've had a long term dream of getting something a bit like AWS IAMS into nova, but I don't think this is it on reflection | 20:15 |
| mikal | dansmith: yeah, part of the discovery process at boot | 20:16 |
| dansmith | but someone would have to write up both sides and think through a bunch of it | 20:16 |
| mikal | IAMS is more like a transparent http proxy embedded into neutron | 20:16 |
| mikal | So what is the advantage of vsock over the current ways? It would need to be large to be bothered making the change. | 20:16 |
| dansmith | it has no addressing, and requires no networking | 20:17 |
| dansmith | it's an agent transport basically, | 20:17 |
| dansmith | but done in a generic POSIX-compatible way | 20:17 |
| artom | Security is a big advantage, I'd htink | 20:18 |
| artom | You're not sending potentially sensitive metadata over potentially unsecure proxies | 20:19 |
| dansmith | I don't know | 20:19 |
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| artom | In a potentially sniffable by other guests way | 20:19 |
| dansmith | it feels more secure but I don't think it's substantially so | 20:19 |
| * artom needs to fetch kids and relocate | 20:19 | |
| dansmith | no, I don't think this is less sniffable | 20:19 |
| dansmith | less prone to bugs which might leak sniffability, maybe :) | 20:20 |
| mikal | And instances need networking to be useful, so I guess we're talking about a before-networking-configured case here | 20:21 |
| mikal | The benefits still feel marginal compared to the amount of mucking around to get them | 20:21 |
| dansmith | well, this came up mostly because you need to know some things to plumb yourself for certain types of networking | 20:21 |
| dansmith | chicken and egg like | 20:21 |
| mikal | configdrive! | 20:22 |
| dansmith | yeah, but you can't update that at runtime | 20:22 |
| mikal | (Which cracks me up because configdrive was meant to be long dead by now) | 20:22 |
| dansmith | which is why we landed here :) | 20:22 |
| mikal | So for these network types, you need to have attached the _first_ interface before the config drive is generated? | 20:22 |
| mikal | But the later ones you could use metadata server for? | 20:23 |
| dansmith | if you boot with two SRIOV nics and you need to know which one is public, and you can't get to metadata over them (yet), then you could use configdrive, | 20:23 |
| dansmith | but then if you attach something else later, | 20:23 |
| dansmith | you'd need to know that even though at boot there was no metadata server, now there is and you should use that instead | 20:24 |
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| dansmith | it's doable of course | 20:24 |
| openstackgerrit | Ed Leafe proposed openstack/nova master: Add 'member_of' param to GET /allocation_candidates https://review.openstack.org/552098 | 20:26 |
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| cfriesen | just noticed something odd...the docs at https://docs.openstack.org/nova/pike/configuration/config.html specify that ram_weight_multiplier/disk_weight_multiplier/etc are under DEFAULT, but that generates a warning log since they're actually under "filter_scheduler" as far as I can tell. | 21:07 |
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| tssurya | dansmith : do we still plan to keep this NewtonCellsCheck Test in Rocky ? -> https://github.com/openstack/nova/blob/master/nova/tests/unit/db/test_sqlalchemy_migration.py#L356 ; since it uses a particularly older DBVersion it fails for my new DB version; not sure how to handle it because it is wrong to just update it to the new version I guess. | 21:07 |
| mriedem | cfriesen: https://docs.openstack.org/nova/latest/configuration/config.html says the are under the [cells] section | 21:09 |
| mriedem | oh heh there are two options with the same name | 21:11 |
| mriedem | nice | 21:11 |
| mriedem | cfriesen: it says it's in the [filter_scheduler] group https://docs.openstack.org/nova/latest/configuration/config.html#filter-scheduler | 21:12 |
| mriedem | the 'group' you're looking at is the 'Deprecated Variations¶' | 21:12 |
| mriedem | b/c deprecated_group="DEFAULT", | 21:13 |
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| mriedem | we can probably start cleaning up all of those aliases | 21:13 |
| mriedem | they were made in 2016 | 21:13 |
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| openstackgerrit | Matt Riedemann proposed openstack/nova master: Add check if neutron "binding-extended" extension is available https://review.openstack.org/523548 | 21:16 |
| openstackgerrit | Matt Riedemann proposed openstack/nova master: Add code to bind a port against a dest host during live migration https://review.openstack.org/523604 | 21:16 |
| openstackgerrit | Matt Riedemann proposed openstack/nova master: Add VIFMigrateData object for live migration https://review.openstack.org/515423 | 21:16 |
| openstackgerrit | Matt Riedemann proposed openstack/nova master: WIP: libvirt: use dest host vif migrate details for live migration https://review.openstack.org/551370 | 21:16 |
| openstackgerrit | Matt Riedemann proposed openstack/nova master: Port binding based on events during live migration https://review.openstack.org/434870 | 21:16 |
| openstackgerrit | Matt Riedemann proposed openstack/nova master: Add "delete_port_binding" network API method https://review.openstack.org/552170 | 21:16 |
| openstackgerrit | Matt Riedemann proposed openstack/nova master: compute: use port binding extended API during live migration https://review.openstack.org/551371 | 21:16 |
| openstackgerrit | Matt Riedemann proposed openstack/nova master: conductor: use port binding extended API in during live migrate https://review.openstack.org/522537 | 21:16 |
| openstackgerrit | Matt Riedemann proposed openstack/nova master: WIP: Turn on new port binding extended live migrate flow https://review.openstack.org/552173 | 21:16 |
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| cfriesen | mriedem: yeah, I got messed up by the deprecated variations bit. my bad | 21:20 |
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| openstackgerrit | Matt Riedemann proposed openstack/nova master: Make nova-cells-v1 run with neutron https://review.openstack.org/549789 | 21:28 |
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| openstackgerrit | Dan Smith proposed openstack/nova master: [WIP] Add --by-service to discover_hosts https://review.openstack.org/552691 | 21:43 |
| openstackgerrit | Merged openstack/nova master: conf: Fix indentation of database options https://review.openstack.org/443097 | 21:44 |
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| openstackgerrit | Merged openstack/nova master: Re-work the metadata service docs https://review.openstack.org/550250 | 21:44 |
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| mriedem | so uh, getting the cells v1 job to pass with neutron was actually pretty damn easy https://review.openstack.org/#/c/549789/ | 23:56 |
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