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#openstack-nova - 2021-07-07
16:02:25 opendevreview Balazs Gibizer proposed openstack/nova master: Transfer RequestLevelParams from ports to scheduling https://review.opendev.org/c/openstack/nova/+/791506
16:03:47 opendevreview Balazs Gibizer proposed openstack/nova master: [func test] ports with both bw and pps resources https://review.opendev.org/c/openstack/nova/+/792394
16:05:15 opendevreview Balazs Gibizer proposed openstack/nova master: [func test] move unshelve test to the proper place https://review.opendev.org/c/openstack/nova/+/793621
16:15:10 opendevreview Lee Yarwood proposed openstack/nova-specs master: Add nova-manage commands to show and refresh connection_info https://review.opendev.org/c/openstack/nova-specs/+/799624
16:45:42 stephenfin zzzeek: If you've any spare time whatsoever this week, I'd appreciate your attention on an issue I'm having during the sqla-migrate -> alembic switch. Basically, my migration code to create shadow tables doesn't seem to be working with in-memory SQLite databases, but I can't figure out how to fix it
16:45:58 stephenfin zzzeek: I have a pretty minimal reproducer here https://github.com/stephenfin/alembic-sqlite-memory-issue
16:46:28 stephenfin zzzeek: and the series to do the conversion for nova ends here, fwiw https://review.opendev.org/c/openstack/nova/+/799530/
16:47:16 stephenfin zzzeek: I _think_ I'm seeing an issue like the one in the cookbook, but I don't understand the issue well enough yet to say /o\ Any input would be much appreciated https://alembic.sqlalchemy.org/en/latest/cookbook.html#sharing-a-connection-with-a-series-of-migration-commands-and-environments
17:06:55 opendevreview Lee Yarwood proposed openstack/nova-specs master: Store and allow libvirt instance device buses and models to be updated https://review.opendev.org/c/openstack/nova-specs/+/799811
17:07:54 lyarwood stephenfin: hope you're happy, I pretty much always forget to manually run pep8 in projects outside of Nova now thanks to pre-commit ;)
17:20:09 sean-k-mooney hehe same
17:27:35 opendevreview Merged openstack/nova master: api: Handle invalid volume UUIDs during spawn https://review.opendev.org/c/openstack/nova/+/794006
18:26:55 zzzeek stephenfin: the issue is a combination of using NullPool with create_engine() combined with the usage of a different connection here: https://github.com/stephenfin/alembic-sqlite-memory-issue/blob/main/foo/migrations/versions/8f2f1571d55b_initial_version.py#L98
18:27:18 zzzeek stephenfin: when you're in a migration, there's a method op.get_bind(). that gives you the current Connection. use that everywhere for SQL, table reflection, etc
18:34:07 zzzeek stephenfin: I marked it up quite a bit to get you started :)
19:28:56 rm_work anyone seen issues with this error on starting up nova-compute (I'm on wallaby): `greenlet.error: cannot switch to a different thread`
19:29:01 rm_work full traceback: http://paste.openstack.org/show/807240/
19:29:19 sean-k-mooney is that in the api
19:29:22 rm_work log just shows it trying to do heartbeats and then ... this, and the process locks up
19:29:28 rm_work nova-compute service
19:29:40 sean-k-mooney that should not happen in the compute service
19:30:02 sean-k-mooney we do use real threas but only to interact with a select number of things liek libvirt
19:30:18 rm_work hmm, no VMs even in this system yet, it's essentially a clean install
19:30:34 rm_work just trying to start it up for the first time
19:30:54 sean-k-mooney so i woudl assume this is somehow related to the perodic taks
19:31:00 sean-k-mooney *tasks
19:31:43 sean-k-mooney do you have anything custom set in you nova.conf
19:31:48 rm_work hmmm... what periodics does nova-compute run? can I disable them to check?
19:31:57 sean-k-mooney e.g. are you trying to use any atypical features
19:32:03 sean-k-mooney it runs quite a few
19:32:19 sean-k-mooney i think all or most of them have config options
19:32:23 rm_work It's hard for me to answer that question -- yes, the conf is probably custom, but I don't know enough about nova's features to know which are atypical
19:32:29 rm_work I've tried to trim it down as much as possible
19:33:12 sean-k-mooney i was wondering if you were tweakign any oslo concurancy setting related to threading for example
19:33:22 sean-k-mooney you coudl try setting https://docs.openstack.org/nova/latest/configuration/config.html#DEFAULT.run_external_periodic_tasks to false
19:33:27 rm_work ah this is a nova-compute configured for ironic
19:33:42 rm_work ooo, will try that for testing
19:34:29 rm_work no config in oslo_concurrency besides setting the lock_path
19:34:55 sean-k-mooney oh its ironic hum
19:35:03 sean-k-mooney i dont think that shoudl really change things
19:35:06 sean-k-mooney https://docs.openstack.org/nova/latest/configuration/config.html#DEFAULT.sync_power_state_interval
19:35:24 sean-k-mooney there are several "*_interval"
19:35:34 sean-k-mooney config option which contol the perodic tasks
19:35:40 rm_work hmm, added that `run_external_periodic_tasks` to false, didn't help
19:35:44 sean-k-mooney do you have a more complete errror message
19:35:54 sean-k-mooney so we can see what it was doing right before the error
19:35:58 rm_work yeah secx
19:38:56 rm_work http://paste.openstack.org/show/807242/
19:39:26 sean-k-mooney oh
19:39:34 sean-k-mooney its right after the heartbeat
19:39:37 rm_work yeah
19:39:39 sean-k-mooney one sec
19:40:05 sean-k-mooney try setting https://github.com/openstack/oslo.messaging/blob/master/oslo_messaging/_drivers/impl_rabbit.py#L90-L100
19:40:08 sean-k-mooney to false
19:40:16 rm_work kk
19:40:49 sean-k-mooney [oslo_messaging_rabbit]/heartbeat_in_pthread=false
19:40:56 sean-k-mooney in the nova.conf
19:41:12 rm_work well that's ... different
19:41:31 sean-k-mooney no crash?
19:41:34 rm_work oh derp sorry sec
19:41:38 rm_work it crashed but ... lol
19:41:44 rm_work fucking macbook keyboard
19:42:16 sean-k-mooney i recently got a ipad pro and have been trying to use it as an ssh clinet
19:42:22 rm_work yeah looks A++
19:42:22 sean-k-mooney its ... interesting
19:42:35 rm_work seems to have connected up successfully, starts and shows up in a compute service list
19:42:36 rm_work thanks!
19:42:55 rm_work though, that opt is deprecated it seems ;D
19:43:02 sean-k-mooney well that option is deprecated for removal and planned to be remvoed this cycle
19:43:11 sean-k-mooney so we shoudl file a bug and get oslo invovled
19:43:16 sean-k-mooney to see if they can repoduce this
19:44:47 sean-k-mooney in theory you should not need to run the heatbeat in a real greenthread by the way
19:44:59 sean-k-mooney that was to workaround an issue in the api when service are run under uwsgi
19:45:11 sean-k-mooney since the wsgi server would kill the heatbeat
19:46:34 rm_work hmm
19:46:57 opendevreview melanie witt proposed openstack/nova master: Add functional regression test for bug 1853009 https://review.opendev.org/c/openstack/nova/+/695012
19:46:57 opendevreview melanie witt proposed openstack/nova master: Clear rebalanced compute nodes from resource tracker https://review.opendev.org/c/openstack/nova/+/695187
19:46:58 opendevreview melanie witt proposed openstack/nova master: Invalidate provider tree when compute node disappears https://review.opendev.org/c/openstack/nova/+/695188
19:47:00 opendevreview melanie witt proposed openstack/nova master: Prevent deletion of a compute node belonging to another host https://review.opendev.org/c/openstack/nova/+/694802
19:47:00 opendevreview melanie witt proposed openstack/nova master: Fix inactive session error in compute node creation https://review.opendev.org/c/openstack/nova/+/695189
19:49:06 sean-k-mooney rm_work: you should be able to use that as a workaround for now
19:49:23 sean-k-mooney but i mentioned it in #openstack-oslo
19:49:26 rm_work yeah, will do. thanks for the help :)
19:50:27 sean-k-mooney rm_work: if you can file a bug or provide more detail e.g. ubutu20.04 vs centos8 that kind of thing it might help nail this down
19:51:03 rm_work kk
19:51:03 sean-k-mooney it should be filed against oslo.messaging but you can also add nova if you like althoguh this is not in the nova code
19:54:59 rm_work ah k
20:40:58 rm_work posted here: https://bugs.launchpad.net/oslo.messaging/+bug/1934937
20:41:03 rm_work I am ... not great at launchpad
20:41:11 rm_work hopefully that's enough to start with
20:41:49 rm_work can add more details if someone tells me what would be good to add
21:21:26 opendevreview melanie witt proposed openstack/nova master: Add functional regression test for bug 1853009 https://review.opendev.org/c/openstack/nova/+/695012
21:21:26 opendevreview melanie witt proposed openstack/nova master: Clear rebalanced compute nodes from resource tracker https://review.opendev.org/c/openstack/nova/+/695187
21:21:27 opendevreview melanie witt proposed openstack/nova master: Invalidate provider tree when compute node disappears https://review.opendev.org/c/openstack/nova/+/695188
21:21:28 opendevreview melanie witt proposed openstack/nova master: Prevent deletion of a compute node belonging to another host https://review.opendev.org/c/openstack/nova/+/694802
21:21:29 opendevreview melanie witt proposed openstack/nova master: Fix inactive session error in compute node creation https://review.opendev.org/c/openstack/nova/+/695189
#openstack-nova - 2021-07-08
00:49:37 opendevreview melanie witt proposed openstack/nova master: Prevent deletion of a compute node belonging to another host https://review.opendev.org/c/openstack/nova/+/694802
00:49:38 opendevreview melanie witt proposed openstack/nova master: Fix inactive session error in compute node creation https://review.opendev.org/c/openstack/nova/+/695189
06:56:55 opendevreview ruishawn proposed openstack/nova master: Add armv6l to arch list https://review.opendev.org/c/openstack/nova/+/799964
07:00:04 opendevreview ruishawn proposed openstack/nova master: Add armv6l to arch list https://review.opendev.org/c/openstack/nova/+/799964

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