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#openstack-nova - 2022-06-22
09:34:34 sean-k-mooney[m] and having the api check for the same should be sufficent
09:35:09 sean-k-mooney[m] operators can use traits for the former if they want to enforce that or they can use host aggreates or az to model which host has file backed memory
09:35:28 sean-k-mooney[m] and just tell there users to select that az
09:35:58 sean-k-mooney[m] so i dont think we need to modify the flavor/image for this feature
09:38:59 sean-k-mooney[m] bauzas: gibi https://review.opendev.org/c/openstack/nova/+/847001 now has a functional test and i made the other changes we discussed yesterday too.
09:40:17 gibi sean-k-mooney[m]: it is OK to me not asking for any specific from the user in image/falvor, but checking the prereqs
09:40:39 gibi sean-k-mooney[m]: I will check https://review.opendev.org/c/openstack/nova/+/847001 shortly
09:41:32 Uggla sean-k-mooney[m], maybe I'm missing something. How can you be sure the instance will be started on a host with the proper requirement without flavor/extra spec ?
09:41:58 sean-k-mooney[m] the curret spec if i recall say we will check in the api if the instance has hugepages or is on a host with file backed memory adn reject the request if that is not the case
09:42:50 Uggla yes
09:42:53 sean-k-mooney[m] if the falvor request hugepages it will be on a valid host or if the user select an az that is mapped to file backed memroy
09:43:11 sean-k-mooney[m] so we dont need anythign explict in the flavor for file backed mory
09:43:22 sean-k-mooney[m] we just need to document that requirement
09:43:32 sean-k-mooney[m] they can also add the trait if they like
09:43:38 sean-k-mooney[m] but they dont need too
09:44:06 sean-k-mooney[m] its the same for vhost-user networking with ovs-dpdk
09:44:24 sean-k-mooney[m] we just document that you need file backed memory or hugepages
09:44:49 sean-k-mooney[m] we dont require you to use traits but you could use a cutom trait for that if you wanted too
09:45:40 sean-k-mooney[m] most operators are not going to want to resize all there workload to be able to start using this feature so its imporant that we dont force that when its not required.
09:45:49 sean-k-mooney[m] does that make sense?
09:49:45 sean-k-mooney[m] by the way are we accpeting translations in tree again?
09:50:58 sean-k-mooney[m] i just noticed https://review.opendev.org/c/openstack/nova/+/846876
09:51:14 sean-k-mooney[m] but i would kind of prefer to not have those in tree
09:52:18 Uggla hum I think so. I'm just wonder how to check for trait at the Rest API level. (atm looking at the code for an example)
09:52:45 sean-k-mooney[m] you can just call placment to do a traits list on the host
09:53:51 bauzas sean-k-mooney: yes
09:53:56 bauzas +2/+Wd for me
09:53:58 sean-k-mooney[m] hum i guess we do get thos octaionally https://github.com/openstack/nova/commits/master/nova/locale
09:54:27 gibi Uggla: nova.scheduler.client.report.SchedulerReportClient.get_provider_traits
09:55:44 bauzas sean-k-mooney: we only had a very few translations patches since 2020
09:55:45 bauzas https://docs.openstack.org/i18n/latest/reviewing-translation-import.html#reviewing
09:56:31 sean-k-mooney[m] yep thats why i tought we had stop doing this
09:57:51 sean-k-mooney[m] its fine we can proably merge it but if we are not doing a review of the content ectra it would be nicer if we just had this in a sperate repo that the i18n team could mange
09:58:07 sean-k-mooney[m] i guess if its that infrequent its fine
09:58:47 sean-k-mooney[m] if we start getting a lot of patches this way we should look at a different solution then we have currently.
09:58:49 bauzas sean-k-mooney: the problem is with the i18n team
09:59:00 bauzas sean-k-mooney: no, we won't have a lot of patches
09:59:23 bauzas sean-k-mooney: even if they have a lot of i18n contributors, we will only have one change
09:59:38 bauzas as it's an automatic import from Zanata
09:59:40 sean-k-mooney[m] i dont like haveing a seperate review workflow for stuff or not being able to review the change and just merging it
10:00:15 sean-k-mooney[m] so if that the workflwo we are going to have it think it would be better to have it entirly out of tree
10:00:18 bauzas everything is done by https://translate.openstack.org/?dswid=2287
10:00:30 sean-k-mooney[m] as a stevador plugin for example that is loaded by nova
10:00:37 bauzas sean-k-mooney: we had this workflow since 2013 IIRC
10:00:46 bauzas and it was working
10:00:57 bauzas we only need one single nova-core review
10:01:33 sean-k-mooney[m] sure it works i just dont think its the right way to do things
10:01:44 bauzas https://translate.openstack.org/project/view/nova?dswid=-7176
10:02:08 bauzas sean-k-mooney: if you have concerns, then you should be discussing with the i18n team, not here
10:02:24 Uggla gibi, thx, I think it is ok.
10:02:24 sean-k-mooney[m] why
10:02:40 sean-k-mooney[m] i can but this is also a project desicion
10:02:44 sean-k-mooney[m] and discussion
10:03:27 sean-k-mooney[m] im wondering if we still want to ship tanslations as a project in tree and if we should change that going forward and remove them form the souce tree
10:04:23 bauzas sean-k-mooney: because it's a TC question https://docs.openstack.org/project-team-guide/i18n.html
10:04:38 bauzas and again, this is simple and it works
10:04:55 bauzas anyway, I merged it
10:05:10 bauzas I could even write some translations from French, if that helps :)
10:05:44 bauzas Only 43% of Nova is translated in French :p
10:07:10 sean-k-mooney[m] if you want too :P
10:16:11 gibi we need more French!
10:19:20 opendevreview Merged openstack/nova master: Imported Translations from Zanata https://review.opendev.org/c/openstack/nova/+/846876
11:00:55 mnasiadka Hello - is there a way to specify Cinder volume-type for boot from volume in flavour extra-specs?
11:35:09 gibi mnasiadka: you have to pre-create the volume in cinder with the desired volume-type and then pass the volume to nova to boot from
12:04:31 mnasiadka gibi: oh ok, thanks
12:21:45 bauzas gibi: Uggla: sean-k-mooney : can we punt our session by 30 mins ? I have something at the moment
12:22:04 sean-k-mooney i wont be able to do it sorry
12:22:10 bauzas ie. 15:00 for CEST and 14:00 for BSR
12:22:10 sean-k-mooney im in a meeting till the top of the hour
12:22:15 bauzas BSTR*
12:22:19 bauzas graaah
12:22:21 bauzas BST*
12:22:24 sean-k-mooney and then i have a dental apointmnt in an hour
12:22:43 sean-k-mooney so it would have to be later today or you and gibi can proceed with Uggla without me
12:22:43 bauzas ok, then let's discuss about Uggla's spec later then
12:22:51 gibi later then
12:23:07 gibi but as far as I see sean-k-mooney stated his oppinion above and I agreed
12:24:16 Uggla bauzas, sean-k-mooney bauzas, I better understand sean-k-mooney proposal that sounds good.
12:25:31 bauzas kk
12:25:37 sean-k-mooney i just pushed my comments on the sepc too
13:09:46 Uggla bauzas, gibi if you can have a look at my latest comments on https://review.opendev.org/c/openstack/nova/+/831507. On 2 points your opinions diverge and I can make both of you pleased at the same time. So I need a consensus between both of you to implement the solution you agree on.
13:13:50 bauzas Uggla: sure, will look
13:24:26 opendevreview Amit Uniyal proposed openstack/nova master: Adds validation for hw machine type in host caps https://review.opendev.org/c/openstack/nova/+/847126
13:26:45 gibi Uggla: responded, fine with bauzas' suggestions
13:31:26 bauzas gibi: Uggla: replied too
13:33:25 bauzas Uggla: we already this kind of sentinel for example in https://github.com/openstack/nova/blob/master/nova/scheduler/manager.py#L114
13:34:15 bauzas that's how we flag an unset param
13:34:59 bauzas this is a simple pattern
13:38:50 gibi I think the special case here is that the caller needs differentiate too if some AZ value is needed to pass forward or the param should not be provided
13:39:58 bauzas gibi: not sure I understand
13:40:09 bauzas gibi: either the AZ is passed or not
13:40:15 bauzas but the value can be None
13:40:16 bauzas right?
13:40:38 gibi by making the new_az optional the caller either needs to pass a value (including None) or not pass the parameter at all
13:40:58 gibi that will be either a conditional on the caller
13:41:17 bauzas https://specs.openstack.org/openstack/nova-specs/specs/zed/approved/unshelve-to-host.html#proposed-change
13:41:19 gibi or the caller could pass the sentinel and avoif the conditional
13:41:35 bauzas ah I see your concern
13:41:47 bauzas well, in general we do this kind of conditional
13:41:48 gibi I'm fine with that extra conditional on the caller side

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