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#openstack-nova - 2020-04-02
16:27:23 dansmith gmann: ack
16:27:30 dansmith gmann: ^ that removes one more thing alex asked about that I forgot
16:27:41 gmann ok
16:28:13 dansmith gmann: sorry if it got lost in the policy discussion, but... is there still a need to change the schema for null-ness?
16:29:41 gmann with 'x in attr' check, it is not needed
16:29:54 dansmith gmann: okay cool
16:31:09 stephenfin dansmith: off the top of your head, obj_from_primitive is called whenever we pull an o.vo from the DB, yeah?
16:31:31 dansmith stephenfin: for serialized objects
16:36:21 bauzas artom: FWIW, I left the bare minimum in the etherpad for your OSC concerns, the floor is yours :p
16:36:28 bauzas artom: https://etherpad.openstack.org/p/nova-victoria-ptg
16:36:31 artom bauzas, OK
16:36:44 artom bauzas, I'll proll'y just be lazy and harass mordred
16:37:01 bauzas I think the problem isn't the design as I said
16:37:06 artom About where any new microversion-enabling client code should go
16:37:10 bauzas we discussed it so many times
16:37:17 bauzas I think we just need hands
16:37:32 artom bauzas, well that's the point, right? We already say "if you're adding a new microversion, you must provide the novaclient patch"
16:37:41 artom Not we'll be saying "and you also need to provide the osdk patch"
16:37:45 artom If osdk is indeed the correct place
16:37:45 bauzas artom: it's more complicated than that
16:37:56 bauzas artom: if you're about to propose, say 2.81
16:38:10 bauzas artom: then you also need to make sure that <2.81 works too
16:38:29 bauzas and then you signed-off for doing all the stuff, yay
16:38:43 artom bauzas, oh, because of the gap
16:38:45 artom *sigh*
16:38:52 artom Yeah ok, I get it
16:38:54 mordred well - once we reach steady-state making sure <2.81 works too should be pretty easy
16:39:30 artom mordred, what does steady-state mean in this context?
16:39:31 mordred that said - if we can just start getting folks to submit an osdk patch wehn new microversions are made so we can start tracking new things, we can use those as opportunities to fill in old stuff - and I'm happy to help do that
16:39:48 artom mordred, I think I'd like that - we have to start somewhere
16:39:50 mordred artom: I mean havig filled in the support for the existing old microversions
16:40:04 artom mordred, ah, that was the thing that mriedem started
16:40:09 mordred most of the time when someone says "I want to support microversion vX" - it turns out ot be quite easy
16:40:10 artom Well, started driving
16:40:12 mordred yeah
16:40:24 mordred but - there's a bunch we need to walk through and make sure we understand :)
16:40:34 artom mordred, in terms of how the Nova API works?
16:40:49 mordred yeah- many of them wind up being no-ops from sdk point of view
16:41:00 mordred but it's good to go look at the MV and say "yup, nothing to do
16:41:20 artom mordred, ah, for example for things like new fields in responses? sdk just shows them with no added logic
16:41:25 artom (Right?)
16:41:26 gmann yeah, like adding the field in response is same list
16:42:04 mordred yeah, well, we need to add new fields when they're added
16:42:27 mordred but - we already are up to date with most fields as of like the mid-2.4x or 2.5x - just not labeled that way
16:42:37 mordred so for many of them we're already caught up :)
16:42:48 mordred and for new ones adding support is _usually_ very trivial - one or two lines
16:43:00 mordred the behavior breaks - like changing live migration - those take some real thought
16:43:08 mordred but - those require real thought to do the feature too
16:44:20 artom Yeah, the live migration thing was ugly
16:44:32 artom But let's not revisit that :)
16:44:33 gmann is it not we need to bump the python-novaclint version on OSC because we maintain the MAX_VERSION there and increase when no change needed
16:44:38 mordred yeah. but - that's one of the ones where I'm quite happy with our support
16:45:36 mriedem in my experience adding feature parity for compute API microversions to OSC, for example, is not always so trivial, especially when the people reviewing the changes aren't from the nova team or aren't familiar with how the API works
16:46:12 gmann +1
16:46:13 mordred I agree - although I'd like to make progress on changing that :)
16:46:14 artom mordred, alright, we'll probably talk this over at the PTG again, but the initial "action item" of "require sdk patch, use as opportunity to catch up a bit" makes sense to me
16:46:17 mriedem so random person throws up a change and the OSC team just basically trusts that it's correct from an API POV and then their review is based on UX standards for OSC
16:46:37 mriedem mordred: there was progress while i was pushing it from the nova team, but ...
16:46:41 mriedem someone needs to fill those shoes
16:46:49 artom Yeah, having someone from the project reviewing the change should be a must
16:46:50 mordred mriedem: we just need to clone you
16:47:14 artom Doesn't have to be core
16:47:21 gmann I can volunteer for that
16:47:26 artom Like, I feel I have a good enough handle on it to give +1s
16:47:29 artom (Or -1s)
16:47:35 mriedem no it doesn't have to be a core, but it's good to be familiar with the actual API change and spec and all that
16:47:42 artom ... which I never did, so mea culpa, I guess
16:47:49 mriedem and the people that review API changes and specs are ... usually cores
16:48:14 artom Well, assuming the api-ref is correct and complete, that's good enough doc, no?
16:48:26 mriedem anyway, if the api side core review enforces good docs / api ref then anyone should be able to review the client side changes
16:48:31 mriedem jinx
16:48:41 artom And if you review the sdk change, look at the api-ref, and can't grok if it makes sense or not, it means we've failed at api-ref
16:48:54 mriedem lots of ifs
16:49:05 artom And butts
16:49:10 artom (Sorry)
16:49:12 mriedem candy and nuts
16:49:17 gmann mriedem: how you do, monitoring yourself or osc team add as reviewer etc ?
16:49:29 gmann you did
16:49:58 mriedem i'd have to find my old etherpad that was tracking the compute API microversion gaps in OSC
16:50:10 mriedem but that's usually how i'd track things, then once there was a review up i'd add myself as reviewer yeah
16:50:16 mriedem i also just started making the changes myself
16:50:21 artom https://etherpad.openstack.org/p/DEN-osc-compute-api-gaps ?
16:50:23 gmann ohk, i know that etherpad.
16:50:25 mriedem then was made OSC core about a month before i left :)
16:50:52 mriedem artom: close: https://etherpad.openstack.org/p/compute-api-microversion-gap-in-osc
16:51:52 mriedem note the gap continues to widen,
16:52:00 mriedem and we're not tracking the last few new microversions in there
16:52:09 artom Yeah, that's what prompted by question
16:52:23 artom We're adding new mvs, but not requiring changes to sdk
16:52:34 artom It's a battle we can't win
16:52:46 mriedem just takes someone that cares and discipline
16:53:15 artom So better just give up then, right?
16:53:18 mriedem sure
17:00:30 artom sean-k-mooney, tbh I wasn't really planning on attending those - ML is fine with me
17:00:51 artom I can share the info, but don't feel like taking on planning tasks
17:01:58 artom That's TC's job, and I have no TC ambitions
17:02:43 artom (Or whatever other committee handles that)
17:03:19 bauzas artom: well, the problem is that lots of operators (including the ones that are getting a certain product from a big red company) are told to use OSC by the documentation
17:03:44 bauzas which is fine if you wanna have a stable and interoperable experience
17:03:48 bauzas (eg. with public clouds)

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