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#openstack-nova - 2020-11-10
15:44:40 stephenfin I know you already know, but the addition of the abort needs a reno
15:44:58 dansmith gibi already added one yeah?
15:45:24 dansmith https://review.opendev.org/#/c/761923/1/releasenotes/notes/warn-when-services-started-with-old-compute-fc80b4ff58a2aaea.yaml
15:45:47 dansmith this is going to abort for the same reason
15:46:05 gibi yepp, reno is there
15:46:18 gibi it is a bit different reno on the master
15:46:21 stephenfin I thought it would abort because we had API DB configuration on a compute node?
15:46:30 gibi this is the master one https://review.opendev.org/#/c/738482/10/releasenotes/notes/prevent-starting-services-with-old-compute-fc80b4ff58a2aaea.yaml
15:46:55 bauzas dansmith: just a quick question, amirite to delete https://review.opendev.org/#/c/761452/1/nova/compute/manager.py@a5115 for the RPC API 6.0 ?
15:47:35 gibi stephenfin: I can extend the reno to explain the api config issue too
15:47:36 dansmith gibi: you could catch the db exception and then do the single-cell check if you get it,
15:47:54 gibi dansmith: that is a good point too
15:47:57 dansmith gibi: avoiding the different behavior, although that won't help get people to stop configuring their computes wrong
15:48:13 stephenfin gibi: I think that would be good
15:48:15 dansmith so I guess decide whether you want to lump that in or not
15:48:33 gibi I think if the rule is not to configure api db for the compute service, then it is clearer to fail on it
15:48:40 bauzas dansmith: because even if the wallaby computes would use 5.11 (as it's the victoria API version) in case of a rolling upgrade, then they will only get objects ?
15:49:11 dansmith gibi: so, you could make this not explode, and then follow up with a separate check of just that config thing with a separate abort, separate reno, etc.. just saying you _can_ separate them I think, if you want
15:49:17 sean-k-mooney gibi: you should not configre any db creds on teh compute not just api
15:49:30 dansmith sean-k-mooney: indeed
15:49:37 sean-k-mooney since we removed the local conductor in icehouose they have not been used
15:49:45 gibi dansmith: ahh, so just split the change into two commit
15:49:47 sean-k-mooney *icehouse ish
15:49:50 gibi dansmith: I can do that
15:50:12 dansmith gibi: if you want.. make the existing check smart if it hits the compute error, knowing it should fall back to the single-cell check,
15:50:21 dansmith gibi: and then a separate patch to check that no db creds are set
15:50:27 dansmith gibi: I'm happy to write that second one if you want
15:50:51 gibi dansmith: thanks, I think I can do both
15:50:55 gibi and I will make them separate
15:50:59 dansmith gibi: okay
15:50:59 stephenfin so in one patch, we're catching that error and logging a warning instead (or falling back to the second call), and then in another we hard fail if DB configuration is present on a compute node?
15:51:05 stephenfin maybe I should just wait for the patches :)
15:51:15 dansmith stephenfin: yes
15:51:20 stephenfin lovely :-)
15:51:44 gibi :)
15:52:07 dansmith bauzas: you're asking if you can effectively only support 5.11 and not 5.0 in the bridge release that also supports 6.0?
15:52:35 bauzas dansmith: yeah, or whether we could wait until X
15:52:43 bauzas tbh, we would need to wait
15:53:21 sean-k-mooney bauzas: well 6.0 would be 5.11 right
15:53:22 bauzas but given the 5.1 version was for something like Queens, then I'm pretty sure that none of the clients would pass a legacy dict
15:53:22 dansmith bauzas: I think technically that works, but it's cheating of course... I guess I'd prefer to wait just to make it fully clean,
15:53:30 sean-k-mooney that what we normally do
15:53:33 dansmith but if it's something very hard to hold across the line, then maybe worth it
15:53:41 bauzas dansmith: okay, then I'll remove it
15:53:48 bauzas and we would remove those for X
15:54:06 sean-k-mooney dansmith: isnt that what we did for the 5.0 and 4.0 bumps
15:54:10 bauzas in case people look at my change later, maybe they wouldn't understand why we would remove this
15:54:27 bauzas sean-k-mooney: we still need to support 5.x in Wallaby
15:54:32 bauzas at least 5.11
15:54:43 dansmith bauzas: I'm not sure what you've decided.. are you going to leave the 5.0 stuff until X or strip it down to only be 5.11?
15:54:59 bauzas dansmith: tbh, I don't have a opinion
15:55:14 sean-k-mooney i think we stiped it for 5.0
15:55:16 bauzas dansmith: but after what you told, let's not delete the 5.0 support in my change
15:55:23 sean-k-mooney we could jsut check the patch
15:55:36 dansmith if you do it now, then you've got a lot of change, right? de-5.0ing the existing code, supporting 6.0, plus anything else we add between now and then, followed by a de-5.11ing in X
15:55:43 bauzas we could discuss about whether we would delete the <5.11 support before X
15:55:45 dansmith whereas if you leave it all, then you just de-5.x the whole thing at once
15:55:51 bauzas dansmith: yzah
15:55:55 bauzas anyway, nevermind
15:56:03 bauzas I'll return it
15:56:42 dansmith sean-k-mooney: I don't think I stripped the older 4.x support when we added 5.0 until after we dropped 4.x, but I could be wrong
15:56:46 sean-k-mooney this was the 5.0 bump https://github.com/openstack/nova/commit/a761e57368280b6d3e931831ecd393fd5787b3ef#diff-91f79786d7e3744c39926c88bbafe3b727630fa4eb48e845686d7f12f876d067
15:57:12 bauzas sean-k-mooney: dansmith: nevermind, again
15:57:19 sean-k-mooney so it loks like queens supported both
15:57:21 dansmith sean-k-mooney: that's the drop of 4.x not the bump
15:57:24 sean-k-mooney then we droped in rocky
15:57:26 dansmith right
15:57:33 bauzas for the main change, I'll just provide a new 6.0 RPC version but we will support 5.0
15:57:34 sean-k-mooney so i guess we do that
15:57:41 sean-k-mooney so drop in X
15:58:04 dansmith and you notice all the 4.x intermediate version parameter defaults are still there
15:58:05 bauzas and then we could do a remove in a later change that we could drop for 5.0 to 5.10, or just wait for X
15:58:16 dansmith bauzas: wait for X IMHO
15:58:49 bauzas yeah
15:58:54 bauzas it would be simplier
16:25:40 openstackgerrit Sylvain Bauza proposed openstack/nova master: WIP: Bump the Compute RPC API to version 6.0 https://review.opendev.org/761452
17:21:28 openstackgerrit Balazs Gibizer proposed openstack/nova master: Improve error handling during service level check https://review.opendev.org/762175
17:21:29 openstackgerrit Balazs Gibizer proposed openstack/nova master: Prevent nova-compute start with DB credentials https://review.opendev.org/762176
17:21:57 gibi stephenfin, dansmith, sean-k-mooney: ^^ I followed what we discussed (or I hope so)
17:22:36 gibi I will leave for today now but tomorrow I can fix comments
17:22:39 gibi o/
17:25:01 stephenfin gibi: ta
18:03:13 sean-k-mooney gibi: yep that is what we discussed or at least what i understood we said we should do.
19:44:26 openstackgerrit Lee Yarwood proposed openstack/nova-specs master: WIP libvirt: Allow the default machine type to be changed https://review.opendev.org/762199
19:45:51 openstackgerrit Lee Yarwood proposed openstack/nova-specs master: WIP libvirt: Allow the default machine type to be changed https://review.opendev.org/762199
#openstack-nova - 2020-11-11
02:46:06 openstackgerrit chengsheng proposed openstack/nova master: Add hypervisor CPU feature check during live migration https://review.opendev.org/762272
06:29:57 openstackgerrit wu.shiming proposed openstack/python-novaclient master: Replace deprecated UPPER_CONSTRAINTS_FILE variable https://review.opendev.org/762292
08:46:05 openstackgerrit Balazs Gibizer proposed openstack/nova stable/ussuri: [doc]: Fix glance image_metadata link https://review.opendev.org/761977
09:42:50 openstack Launchpad bug 1903824 in OpenStack Compute (nova) "Nova defaults [database]connection to local sqlite database while the config doc says it is defaulted to None" [Medium,Triaged] - Assigned to Balazs Gibizer (balazs-gibizer)
09:42:50 gibi dansmith, sean-k-mooney, stephenfin: look what a skeleton I found as a result of the yesterday's db credentials discussion https://bugs.launchpad.net/nova/+bug/1903824
09:56:44 openstackgerrit Balazs Gibizer proposed openstack/nova master: Remove [database]connection defaulting https://review.opendev.org/762319
09:56:44 openstackgerrit Balazs Gibizer proposed openstack/nova master: Prevent nova-compute start with DB credentials https://review.opendev.org/762176
09:58:38 stephenfin oh, wow :-D
10:00:44 openstackgerrit Balazs Gibizer proposed openstack/nova master: Prevent nova-compute start with DB credentials https://review.opendev.org/762176
10:51:23 owalsh stephenfin, gibi: re the nova db creds issues, is this likely to break a lot of config mgmt that assumes nova.conf can be common to all nova services?
10:53:37 gibi owalsh: if a config management tool did that and also used rpc pin 'auto' then it was already broken for a long time
10:54:08 owalsh gibi: I thought it would always fail now?
10:54:25 gibi yes, it will now fail even if rpc pin is not set to 'auto'
10:54:56 gibi also the documentation advise against setting [api_database]connection to nova-compute service https://docs.openstack.org/nova/latest/configuration/config.html#api_database.connection
10:55:15 gibi owalsh: what do you suggest? Do we make just a warning on master?

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