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#openstack-nova - 2024-11-27
13:48:07 sean-k-mooney the etherpad is purly to help publisise and priories reviews
13:48:17 sean-k-mooney it is not require at all for our process
13:48:58 ildikov I interpreted the etherpad process as a lightweight project management tool that helps the core team to keep track of things that are ongoing
13:49:11 sean-k-mooney yep
13:49:54 sean-k-mooney somethime things can get "lost" in gerrit or lanchpad
13:50:02 s3rj1k imo, I see this as not so optimal, but ok, if that works
13:50:36 sean-k-mooney its manily working aroudn some limistaion in launchpads and gerrit ui
13:50:50 sean-k-mooney to be clear i almost exclisilvy ignor the etherpad
13:51:11 sean-k-mooney i do look at it form time to time but i look at gerrit much more frequently directly
13:51:34 sean-k-mooney i try to take a look at the ether pad once a week however but dont always fidn time too
13:52:03 s3rj1k could been just automated away based on data from gerrit and launchpad)
13:52:26 sean-k-mooney no the peopel that whated it wanted it to be human qurated
13:52:37 sean-k-mooney *curated
13:52:58 sean-k-mooney if we did an automated sync we woudl be back to the noise problem
13:55:52 sean-k-mooney s3rj1k: i get that process can be furstrating, especially if its not clear why or how it works
13:56:57 s3rj1k it just adds extra layer of bureaucracy and this will impact adoption for new community members
13:57:15 sean-k-mooney s3rj1k: how so. currently its not required at all
13:58:12 s3rj1k I have a gut feeling about this, I guess in time we will see
13:58:38 sean-k-mooney its actully there to allow people to engages async and to ask for reviews
13:58:45 sean-k-mooney so its intended to help continutors
13:59:06 sean-k-mooney i.e. so that they dont have to be on irc to ask for reviews
13:59:17 sean-k-mooney when they are not gettign feedback in gerrit
13:59:54 sean-k-mooney gerrit, irc and the mailing list are the 3 primary engagment points for contibutors with launch pad (bugs) for users
14:00:47 s3rj1k there is still RFE step that is semi-supported
14:00:50 sean-k-mooney s3rj1k: im not discounting your feedback im wonderign howe to improvie it (beyond updating the docs)
14:01:06 sean-k-mooney so nova does not use RFE bugs
14:01:11 sean-k-mooney that a neutron specific thing
14:01:20 sean-k-mooney we have experiemtned with adding it but its not part of our process
14:01:44 s3rj1k yea, but how to propose a draft for a feature to talk about? rfe seems perfect for this
14:01:46 sean-k-mooney most openstack teams dont sue RFE bugs, neutron use it because you cant realy have discussion in bluepirnts due to the ui
14:02:34 s3rj1k it's not like rfe is a call to action for core devs) just a place to put text and talk in comments
14:02:55 sean-k-mooney right but lanuchpad is not where we have those dicussions in general
14:03:13 s3rj1k mailing lists?
14:03:14 sean-k-mooney gerrit, irc or the mailing list is outside fo the ptg
14:03:41 sean-k-mooney so normally unless its a triival feature we would expect to have design discussion in a spec review
14:04:14 sean-k-mooney the actul workflow is ment to be, if you have a feature request bring it up on the mailing list or in the irc meeting
14:04:34 sean-k-mooney then based on the inital feedback file a spec or blueprint for it
14:05:04 sean-k-mooney specless blueprings are used for very small features that done require an actual spec but most feature will need a spec
15:46:16 opendevreview Stephen Finucane proposed openstack/nova master: api: Simplify parameter types https://review.opendev.org/c/openstack/nova/+/936369
15:46:17 opendevreview Stephen Finucane proposed openstack/nova master: tests: Ensure all APIs have a response body schema https://review.opendev.org/c/openstack/nova/+/924598
16:30:29 opendevreview Serhii Ivanov proposed openstack/nova-specs master: [SPEC] `Add Distributed Locking for Host Discovery`. https://review.opendev.org/c/openstack/nova-specs/+/936389
16:37:33 opendevreview Takashi Kajinami proposed openstack/nova master: Fix missing oslo.policy options https://review.opendev.org/c/openstack/nova/+/936392
16:48:15 opendevreview Takashi Kajinami proposed openstack/nova master: Fix missing oslo.policy options https://review.opendev.org/c/openstack/nova/+/936392
16:53:14 opendevreview Serhii Ivanov proposed openstack/nova-specs master: [SPEC] `Add Distributed Locking for Host Discovery`. https://review.opendev.org/c/openstack/nova-specs/+/936389
17:01:19 yosef Hi, in case of complete data loss of openstack database for example in 1 day, is there any way to restore to db, VMs created in this one day?
17:37:34 sean-k-mooney yosef: not really. you could try and manually creat the records but there is no tooling to enable that
18:15:40 opendevreview Merged openstack/nova master: [codespell] Fixes for latest version https://review.opendev.org/c/openstack/nova/+/923738
18:15:56 opendevreview Merged openstack/nova master: pre-commit: Bump versions https://review.opendev.org/c/openstack/nova/+/923739
19:00:01 s3rj1k sean-k-mooney: Can you take a quick look on that Spec CR? https://review.opendev.org/c/openstack/nova-specs/+/936389
19:00:44 s3rj1k I've put also some of the alternatives that you've mentioned in there
19:01:10 sean-k-mooney sure
19:01:17 s3rj1k thanks
19:01:22 sean-k-mooney im not convicd you primay propsol is what we shoudl do
19:01:27 sean-k-mooney btu we can discuss it on the spec
19:02:13 s3rj1k at least I hope to have this finalized in any way) best to have this solved rather than ignoring the issue
19:02:36 s3rj1k so any way works as long as we go forward :)
19:02:39 sean-k-mooney well right now you want to add a distribute lock manager and annoter usage of tooz
19:02:52 sean-k-mooney where as we ahve dicussed how to remove tooz form teh code base
19:03:03 sean-k-mooney at least twice in the last year or two
19:03:21 s3rj1k just like in original rfe, tooz was there yes
19:03:25 sean-k-mooney so we may be able to proced with this but your askign for use to reverse cources on that
19:03:58 s3rj1k we can replace tooz I guess
19:04:02 sean-k-mooney ok jsut so your aware that thsi is a pretty contiversiol approch
19:04:17 sean-k-mooney we generally did not want to ahve a distribute lock manager in nova at all
19:04:39 s3rj1k that's why I invested time in alternatives)
19:05:04 sean-k-mooney the main concern with tooz by the way is its overall mantance
19:05:37 sean-k-mooney what migh be simpler to do is some form of leader elelction
19:05:44 sean-k-mooney rather then a distributed lock
19:06:14 s3rj1k that won't cover CLI
19:06:29 sean-k-mooney well to be clear it does not have too
19:06:40 sean-k-mooney currently the sideefect does nto break anything
19:07:08 sean-k-mooney the db enforces consitenty so the worst case side effecti is the command exits with an error but it does not break anything
19:07:17 s3rj1k yea, I guess so, if periodics can be safely fixed for concurrency
19:07:18 sean-k-mooney so that ok on the cli
19:07:36 opendevreview Stephen Finucane proposed openstack/nova master: api: Allow min/max_version arguments to response https://review.opendev.org/c/openstack/nova/+/936364
19:07:36 opendevreview Stephen Finucane proposed openstack/nova master: api: Allow min/max_version arguments to expected_errors https://review.opendev.org/c/openstack/nova/+/936363
19:07:37 opendevreview Stephen Finucane proposed openstack/nova master: api: Stop using wsgi.Controller.api_version to switch between API versions https://review.opendev.org/c/openstack/nova/+/936366
19:07:37 opendevreview Stephen Finucane proposed openstack/nova master: api: Adjust validation helpers for a single-method future https://review.opendev.org/c/openstack/nova/+/936365
19:07:38 opendevreview Stephen Finucane proposed openstack/nova master: api: Only run format checks on strings https://review.opendev.org/c/openstack/nova/+/936368
19:07:38 opendevreview Stephen Finucane proposed openstack/nova master: api: Add new, simpler api_version decorator https://review.opendev.org/c/openstack/nova/+/936367
19:07:39 opendevreview Stephen Finucane proposed openstack/nova master: api: Simplify parameter types https://review.opendev.org/c/openstack/nova/+/936369
19:07:40 opendevreview Stephen Finucane proposed openstack/nova master: tests: Ensure all APIs have a response body schema https://review.opendev.org/c/openstack/nova/+/924598
19:07:43 s3rj1k no reason to force CLI with cronjobs
19:08:46 sean-k-mooney what i was orginally thinking was to use a Rendezvous hash to select the leader form the active schduler and only run the perodic form that one
19:09:31 sean-k-mooney that way we dont actully need an external depency (distibuted lock manager) or any addtional rpcs ectra
19:09:40 sean-k-mooney im just not sure if that will work with our current system
19:10:25 sean-k-mooney a concern with a dlm is makeing sure the lock is released if any of the pods get restarted for example
19:10:42 s3rj1k btw, is there a formal doc on tooz deprecation?
19:10:53 sean-k-mooney its not deprecated as a lib
19:11:08 sean-k-mooney so the only usage of it in nova is the ironic driver and we deprecated the fature that uses it in that
19:11:25 s3rj1k so for nova removal in this case
19:11:33 sean-k-mooney currently the ironic drivcer can use manual sharding or a dynmic hashring(provided by tooz)
19:12:08 sean-k-mooney the dynmaic hash ring is deprecated for removal which would have removed tooz as a side effect
19:15:12 sean-k-mooney s3rj1k: each schduler is a memebr of a service group
19:15:14 sean-k-mooney https://github.com/openstack/nova/blob/master/nova/scheduler/manager.py#L69
19:15:57 sean-k-mooney there are 2 service group drivers, the db and memcache
19:17:18 sean-k-mooney im wondering if we can reuse that to do leader elelction and then have only one of the member run the perodic if its currently the leader
19:19:31 sean-k-mooney the problem is the curernt service group api does nto really ahve a way to do that
19:20:04 sean-k-mooney it has a way to test if a member of a service group is up
19:20:16 sean-k-mooney but not a way to list the memebr and or select a leader

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