Tuesday, 2016-09-20

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PaulMurray#startmeeting Nova Live Migration14:01
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openstackMeeting started Tue Sep 20 14:01:36 2016 UTC and is due to finish in 60 minutes.  The chair is PaulMurray. Information about MeetBot at http://wiki.debian.org/MeetBot.14:01
openstackUseful Commands: #action #agreed #help #info #idea #link #topic #startvote.14:01
*** openstack changes topic to " (Meeting topic: Nova Live Migration)"14:01
openstackThe meeting name has been set to 'nova_live_migration'14:01
mdbootho/14:01
PaulMurrayhi - sorry I'm a minute or two late14:02
davidgiluko/14:02
ltomasboo/14:02
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PaulMurrayagenda: https://wiki.openstack.org/wiki/Meetings/NovaLiveMigration14:02
PaulMurrayactually there are no real items on the agenda, just headings14:02
* kashyap waves14:03
PaulMurray#topic CI14:03
*** openstack changes topic to "CI (Meeting topic: Nova Live Migration)"14:03
mdboothPaulMurray: I was going to add something to the agenda, but the lack of anything else on it made me suspect I had the wrong place14:03
PaulMurrayAnything for CI ?14:03
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PaulMurraymdbooth, no worries14:03
johnthetubaguyso I think there are patches up for grenade tests from pkoniszewski14:03
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PaulMurrayjohnthetubaguy, do you have links ?14:03
johnthetubaguyyeah, just looking14:04
johnthetubaguy#link https://review.openstack.org/#/c/36480914:04
johnthetubaguyI am hoping raj_singh can get some folks to help you with that, if needed14:04
johnthetubaguydo we have any more news on that iscsi bug that breaks the tests sometimes?14:05
PaulMurrayno, I don't think so14:05
PaulMurrayIt is something we need to get back to14:05
johnthetubaguyOK, just making sure I am not missing out :)14:06
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PaulMurrayis raj_singh around ?14:07
PaulMurrayis raj_singh one of yours johnthetubaguy ?14:07
johnthetubaguyits probably still early in texas, so not 100% sure14:08
johnthetubaguyhe is a senior dev on the OSIC team14:08
PaulMurrayok, thanks14:08
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PaulMurrayThat grenade patch looks like something that is needed very soon14:09
PaulMurrayare we worried about newton release ?14:09
PaulMurrayor just something for the future ?14:10
johnthetubaguyhmm, I think I saw some good bug reports and fixes go in, that makes me feel good about us catching the big things14:10
johnthetubaguythe change to turn on tunnelling by default is probably the biggest gain in the release, ironically14:10
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PaulMurrayok, lets move on then - anything else for CI ?14:11
PaulMurray#topic Bugs14:12
*** openstack changes topic to "Bugs (Meeting topic: Nova Live Migration)"14:12
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PaulMurrayAnything to talk about here ?14:13
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PaulMurrayI think I saw that all the newton blockers are dealt with or not blockers14:14
kashyapPaulMurray: Sorry for jumping in late, a quick question on https://bugs.launchpad.net/nova/+bug/1524898/14:14
openstackLaunchpad bug 1524898 in OpenStack Compute (nova) "Volume based live migration aborted unexpectedly" [High,Confirmed]14:14
johnthetubaguyyeah, thats all I have seen14:14
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mdboothI think at this stage in the release cycle we're only considering bugs which may result in immediate death, right?14:14
johnthetubaguyerm, master is open for ocata now, but just taking it steady so we don't cause issues with backports, I think14:15
kashyapSince it's not reproducible anymore, tdurakov seems to have submitted this https://review.openstack.org/#/c/353002/ ("Skipping test_volume_backed_live_migration for live_migration job")14:15
PaulMurrayyeah - there is nothing on the list14:15
PaulMurrayof that type14:15
PaulMurraykashyap, go ahead14:15
mriedemimmediate death or something akin to passing a stone14:15
johnthetubaguyhmm, I thought that volume thing was still causing issues in the gate, it as was always an occasional thing14:15
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johnthetubaguymriedem: heh, love the definition14:16
kashyapPaulMurray: Just checking if anyone is able to reproduce it, maybe it's only "occasionally" reproducible14:16
mriedemjohnthetubaguy: the volume-backed test is skipped in the voting live migration job14:16
PaulMurrayWe tried to reproduce it in house in HPE but failed14:16
mriedemit's not skipped in the non-voting multinode tempest full job14:16
kashyapYeah, we've worked around by skipping the test, but if someone hits it in production, they'll get back to this bug14:16
mriedemwhich is why https://review.openstack.org/#/c/353002/ is just a regex skip in the nova tree for the dedicated live migration job14:16
mriedemdanpb thought it was something with the kernel, or native scsi i thought14:17
mriedemthere was talk of trying to reproduce with native in-qemu scsi, which danpb thought would at least give a better error message for what the root failure is, if it fails14:17
johnthetubaguymriedem, yeah, that was my understanding too14:17
kashyapmriedem: Someone from Cinder team should look at it14:19
kashyapI've requested on the upstream channel with a few specific pointers, but only crickets...Anyway14:19
kashyapThis is where one of those "cross-project relations" should kick in14:19
PaulMurraymriedem, is this something we can bring up at a PTL to PTL level ?14:20
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johnthetubaguyseems like a kernel issue to be honest14:20
mriedemkashyap: hemna was the person to look probably, but he's busy atm14:21
mriedemfrom cinder i mean14:21
PaulMurraymriedem, yes, I asked him a couple of times, didn't want to bother him more14:21
kashyapYeah, I hear you.  But my guess is atleast there's one another person who must be well-versed with iSCSI internals14:21
mriedemkashyap: so,14:21
PaulMurraybut in our experience the problems have come from particular storage or network drivers14:22
johnthetubaguyI did hear talk that is is specific to the iSCSI target and user being on the same box, but I am not sure about that14:22
mriedemwouldn't the red hat guys be the best equipped to at least try a recreate with the in-qemu scsi?14:22
pkoniszewskio/14:22
kashyap:-)14:22
mdboothOn a related topic, the functional gap between host and qemu iscsi is multipath. If we switch to qemu iscsi for the simplicity and lost multipath, do we think anybody would be upset?14:22
davidgilukjohnthetubaguy: I thought we concluded it was an iscsi config problem14:22
kashyapmriedem: Sure, I can try, once these two nasty bugs off my plate are gone14:22
mriedemmdbooth: i don't think we test multipath anywhere14:22
johnthetubaguydavidgiluk: I haven't heard anything that concrete, its possible I guess14:22
mdboothmriedem: Right, I think it's one of those theoretical features.14:23
mriedemi know it breaks our london cloud running kilo + multipath :)14:24
mriedem'what's different about storage on this cloud?' 'oh right, multipath...14:25
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* mriedem runs to another meeting14:25
mdboothIronic Availability: when your primary source of downtime is your HA solution.14:25
johnthetubaguymriedem: its real, thats a good datapoint14:25
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mdboothWhile we're on bugs, maybe raise https://review.openstack.org/#/c/370089/14:26
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mdboothjohnthetubaguy looked at this and was understandably uneasy about randomly deleting things with vague warnings attached.14:27
mdboothMe too, btw. Wondering if anybody can add anything to it.14:27
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PaulMurrayHave we got rid of nova-networking yet ?14:27
mdboothNo14:27
mdboothNearly, but no14:28
PaulMurraycause those multiple calls are needed for nova-network14:28
mdboothDo you know that they are?14:28
mdboothOr are you just trusting the comments?14:28
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PaulMurrayha - good question14:28
mdboothBecause without looking at the implementation, it seems weird that calling the same thing multiple times with the same arguments would have different results.14:28
PaulMurrayI looked a while back so trusting to memory14:29
PaulMurrayand can't remember that clearly14:29
mdboothHowever, if they really are required then we can't delete them, because nova-networking isn't gone yet.14:29
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johnthetubaguyI think this was something like the dhcp stuff reads out of something that gets populated the first time around things, but I don't remember the details14:30
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PaulMurrayI think it something to do with the sequence of events on the network side - the parameters are the same, but the state in the network isn't14:30
mdboothPaulMurray: Do we know anybody who could say for sure?14:31
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PaulMurrayIs it important to you for something ?14:31
johnthetubaguyI should go study the code, and try get my memory back on that, not sure who has been in there recently14:31
johnthetubaguyso post copy is a lot easier if we don't call things one million times14:32
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mdboothI think it makes the next patch a bit simpler.14:32
mdboothjohnthetubaguy: Right14:32
mriedemmdbooth: https://review.openstack.org/#/c/370089/ worries me for dvr14:32
mriedemso i added swami14:32
mdboothmriedem: DVR is the only situation I've tested it in :)14:32
mriedemoh right14:32
mdboothThat one definitely works fine.14:32
mriedemthen it worries me for nova-network :)14:33
mriedemi'm just constantly worried14:33
mdbooth:)14:33
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PaulMurrayI would expect it to work for DVR cause until swamis last patch went in these calls were a noop for neutron14:33
mdboothPaulMurray: Incidentally, that follow-on patch which just moves network calls to the source significantly decreases network downtime for DVR in the non-postcopy case14:34
mdboothCan't remember if I mentioned that last time14:34
mdboothI haven't studied exactly why, but that's what I observe14:34
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PaulMurrayI saw your comments about that somewhere (IRC, patch, somewhere)14:34
mdboothThe 3-4 second gap you always get when live migrating is almost entirely eliminated.14:34
PaulMurrayI saw three pings dropped in those tests I did14:35
PaulMurrayso that agrees14:35
mdboothPresumably means there's something in that code path which takes about that long. Don't know what it is, though.14:36
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PaulMurraySo I don't know what you want to do about the multiple setup_on_networks() calls14:37
PaulMurrayshould at least validate with someone about nova network side14:37
PaulMurrayor wait until nova network goes away14:37
PaulMurray?14:37
mdboothPaulMurray: nova-network seems to be where there unease is originating.14:37
PaulMurrayyep, I am pretty sure it's not relevant for neutron14:38
mdboothIf that code is maintained at all any more, it would be good if somebody could look at it authoritatively.14:38
mdboothMeta note: looking at that comment, although it's great the author mentions 'dhcp', more detail would have been great. A bug# in the comment would have been fantastic.14:38
PaulMurraymaybe this needs an ML thread - don't know who to reach out to14:39
* mdbooth will try to note that personally when adding hacks like this.14:39
PaulMurrayAnything else on bugs ?14:39
PaulMurray#topic Ocata Specs14:40
*** openstack changes topic to "Ocata Specs (Meeting topic: Nova Live Migration)"14:40
PaulMurrayNeed to make sure any slipped specs get re-proposed14:40
PaulMurray(I think there's a few of those)14:41
PaulMurrayAlso any new work14:41
PaulMurrayAny questions ?14:41
PaulMurraynext....14:42
PaulMurray#topic Open Discussion14:42
*** openstack changes topic to "Open Discussion (Meeting topic: Nova Live Migration)"14:42
PaulMurrayAnything else to raise this week ?14:42
* mdbooth wanted to raise https://etherpad.openstack.org/p/nova-newton-retrospective14:42
PaulMurraygo for it14:43
mdboothIf you haven't already, I'd encourage you to look and participate14:43
PaulMurrayI thought you summed it up pretty well14:44
PaulMurraythe long stack of patches is a problem14:44
mdboothFrom my own pov, I've been advocating baby steps towards a subsystem maintainer model lately. I summed up my proposal in a ml post this morning: http://lists.openstack.org/pipermail/openstack-dev/2016-September/104093.html14:44
PaulMurrayI saw mriedem brought that up in his PTL candidacy message too14:44
mdboothWould something like that have been useful to this team over the last cycle in practise?14:45
mdboothOr are our pain points elsewhere?14:45
PaulMurrayhave you seen the discussions about this is in the past few years14:45
PaulMurrayare you proposing that some people get +2 but not +A?14:46
mdboothPaulMurray: Yes. Many times.14:46
kashyapccccccdlvjjtblfgnffchujbdhignbkklncbntbjlvhv14:46
kashyapUrgh, sorry, it's my YubiKey14:46
mdboothPaulMurray: For this meeting, I'm really interested to know if we think this or anything like it would have been useful to us.14:47
mdboothPaulMurray: But in general, I wanted to propose something conservative which could be piloted without changing the universe.14:47
PaulMurrayIt would be useful, but I think the consensus in the past has been that this is done informally anyway in the cores14:48
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mdboothPaulMurray: So you don't think it would be useful?14:48
mdboothBecause we do it already?14:48
kashyapPaulMurray: I think what mdbooth is saying is that, it maybe done informally with some unspoken rules, why not resonably enforce it, with some predictable rules14:49
PaulMurrayto be honest I am just repeating past arguments14:49
kashyap(Hope I didn't misrepresent Matt's point)14:49
* mdbooth is soliciting input, not advocating :)14:49
mdboothPaulMurray: Yeah, I've heard those arguments.14:49
PaulMurraykashyap, the same argument goes the other way - some +1 are taken as virtual +2s and some cores refrain from doing +A where they are not sure14:50
mriedemas i've said before,14:50
PaulMurraythe real issue is bandwidth and attention14:50
mriedemthere are people i look for in certain subsystems for a +114:50
mriedemand add to changes14:50
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kashyapPaulMurray: Also that: there's simply no way a core (that is not an expert in that area) can meaningfully comment on a deep change involving say e.g. virt drivers.  So for that, the subsystem model that is proposed makes sense, IMHO.14:51
mriedemi've generally liked the idea of a dashboard where subteams can star changes that are important to them and they've reviewed - more like the etherpad but easier to process14:51
mdboothPaulMurray: My hope is that by formalising a subsystem maintainer model we'd halve the number of core +2s required.14:51
mriedemhere is a perfect example of where the subsystem thing breaks down for a virt driver https://review.openstack.org/#/c/253666/14:52
mdboothWe'd also devolve responsibility.14:52
mriedemnot trying to pick on ^ but it just came up this morning14:52
mdboothmriedem: I don't want to take core review out of the loop. Baby steps :)14:53
mdboothAnyway, I think it's important to participate in the retrospective. If my own proposal gains traction, then awesome.14:54
PaulMurraymdbooth, I think your case is unusual because you are working in a very contained piece of code14:54
PaulMurrayand you are the expert14:54
PaulMurrayos-brick and os-win have been broken off into other projects for pretty much the same reason14:55
PaulMurrayI think14:55
mriedemwell,14:55
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mriedemthose were broken off because of code duplication14:55
mdboothThey're a bit different, because the expertise was in other projects.14:55
mriedemos-brick was literally code in both nova and cinder14:56
mriedemos-win is hyper-v stuff that's in multiple projects, like utility code14:56
mriedemsimilar with oslo.vmware14:56
PaulMurrayok, so that was not the reason, but it still works ok14:56
PaulMurraybecause it is separable14:56
mdboothAnyway, I'm not proposing splitting the repo. I'm saying that if tdurakov gives a live migration patch a +2, we only need 1 mriedem to approve it.14:56
mdboothAlso, tdurakov should know when he needs additional review, and who to ask for it.14:57
kashyapExactly, FWIW, I fully agree with the above.14:58
mdboothSorry, now I really am advocating :)14:58
PaulMurrayI need to end the meeting14:58
kashyapTrusting people to do the right thing, and there's always hammers like 'git revert'14:58
PaulMurrayits nearly top of the hour14:59
* mdbooth will stop that. If anybody has anything useful to add, please respond on ML.14:59
PaulMurraythis will have to continue on the ML thread14:59
mdboothor etherpad14:59
PaulMurraysorry - bye14:59
PaulMurray#endmeeting14:59
*** openstack changes topic to "OpenStack Meetings || https://wiki.openstack.org/wiki/Meetings"14:59
openstackMeeting ended Tue Sep 20 14:59:37 2016 UTC.  Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4)14:59
openstackMinutes:        http://eavesdrop.openstack.org/meetings/nova_live_migration/2016/nova_live_migration.2016-09-20-14.01.html14:59
openstackMinutes (text): http://eavesdrop.openstack.org/meetings/nova_live_migration/2016/nova_live_migration.2016-09-20-14.01.txt14:59
openstackLog:            http://eavesdrop.openstack.org/meetings/nova_live_migration/2016/nova_live_migration.2016-09-20-14.01.log.html14:59
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neiljerramHello, sorry to be late.  Is anyone here for a networking-calico meeting?16:09
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jrollanyone here for ironic api meeting?18:00
jrolldevananda, rloo?18:00
devanandao/18:00
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jrollohai18:01
jroll#startmeeting ironic-api-v218:01
openstackMeeting started Tue Sep 20 18:01:48 2016 UTC and is due to finish in 60 minutes.  The chair is jroll. Information about MeetBot at http://wiki.debian.org/MeetBot.18:01
openstackUseful Commands: #action #agreed #help #info #idea #link #topic #startvote.18:01
*** openstack changes topic to " (Meeting topic: ironic-api-v2)"18:01
openstackThe meeting name has been set to 'ironic_api_v2'18:01
jrollour (lack of) agenda is here18:02
jroll#link https://wiki.openstack.org/wiki/Meetings/Ironic_v2_API18:02
jrolldevananda: so, you had something to share today yeah?18:02
devanandaI did!18:02
devanandaa draft of a bunch of specs for us to begin thinking about is here18:02
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devananda#link https://review.openstack.org/36758318:02
rloohi sorry i'm late18:02
devanandarloo: hi hi!18:02
jrollhey :)18:02
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jrolloh, multiple specs, neat18:03
devanandayah18:03
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rlooso we need to review deva's patch, right?18:03
devanandathe last couple times we met to talk about these, it became apparent that much of the work could be parcelled out18:03
devanandaso I went about writing specs for the big things that seemed like they could be done incrementally, within microversions18:04
devanandaone of those specs, "api-evolution", is just the problem statements for each of them18:04
devanandathe other 4 specs have some amout of detail of a proposed solution for each problem18:04
jrollawesome18:04
devanandathis doesn't yet cover everything from the etherpad, but it covers a lot18:04
rlooi like that approach but wouldn't it be better to have a separate patch for each spec? or are they starting points, to be flushed out more in the spec?18:04
devanandaI'd like to know what you both think of this approach18:05
devanandarloo: agreed -- and I'd like to file an RFE to go with each spec18:05
rloodevananda: yes, that is what i was thinking. for 'admin' purposes, ha ha.18:05
jrollyeah, agree with separate rfe/spec for each18:05
devanandaif I do that, should the all encompassing spec be the first one in the chain (we land it as a signal of intent) or the last one (we land it as a signal of completion of planning) ?18:05
rlooi think the all encompassing one (w/o having read it) should be first.18:06
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rloowouldn't that be similar to the states spec we did?18:06
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jrollyeah, I think first as well18:06
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jrollmaybe the subsequent patches can remove those problems from the all encompassing spec as they go?18:07
jrolland at the end, that spec is gone, because we have no problems anymore :)18:07
devanandajroll: hah :) interesting idea18:07
rlooor should the all-encompassing spec be a spec. I mean, does it need to be a spec? do the individual specs stand alone w/o it?18:07
devanandarloo: they do stand alone18:08
devanandaor they could -- right now, I think they include references to it18:08
rloometa spec!18:08
devanandabut I think it's possible to land the api-evolution "metaspec" as a backlog item, then move each problem description out into a new spec (when it lands)18:08
devanandaand at the end, remove the metaspec from backlog18:08
devanandaand not change any of the unit tests18:08
jrollyeah, that's my thought18:09
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rloothat'd be a fun thing to do, something different :)18:09
devanandaif you'd like to peer at the metaspec, here's a rendering:18:09
devananda#link http://docs-draft.openstack.org/83/367583/2/check/gate-ironic-specs-docs-ubuntu-xenial/2f1716f//doc/build/html/specs/approved/api-evolution.html18:09
jrollnice, looks good18:10
rlooif other issues come up, would we update this spec?18:11
rloothe API could/will most likely continue to evolve...18:11
devanandaI think we could follow the same sort of process again18:11
rloook, maybe we should clamp this down then, once we approve it, to indicate that it reflects issues raised until newton cycle or something like that.18:12
devanandajroll: for barcelona, what are you hoping to get out of the f2f discussion?18:12
rlooyou mean the fishbowl/workroom sessions?18:12
jrolldevananda: I haven't thought about it too much - maybe we focus on one of the hard pieces and get consensus there?18:12
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devanandarloo: if someone were to later on propose another specific change to the API, that should follow the usual process, I would think18:13
devanandaI could even do that for each of these, and not land a metaspec at all18:14
devanandabut its presence seemed useful to capture that we've all had this discussion in the past, which identified many issues18:14
rlooi haven't read the metaspec -- but i do wonder whether we need it.18:14
devanandamaybe we don't18:14
devanandajroll: I am not going to be a good judge of which one of these is hard18:14
rlooyes, its presence is useful. what happened to that spec section/directory you wanted to add that had 'useful' info but not necessarily specs?18:15
devanandajroll: i think they're all easy ;)18:15
jrolldevananda: not hard, but contentious18:15
jrollor we could spend 40 minutes debating frameworks :D18:15
devanandahah hah hah18:15
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jrollthough thinking more about it, maybe we leave the "get off WSME/pecan" out of this18:15
devanandajroll: you may notice that I left that off18:15
rloowe should decide though, about getting off wsme/pecan. or make it a xproject thing to decide.18:16
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devanandathe four specific proposals here are all ones that I feel like we can do // shouldn't be too contentious18:16
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jrollrloo: it will never happen cross-project, imo18:16
rloojroll: too bad18:16
devanandathere will be upgrade concerns and impact on 3rd party drivers -- we will need to agree on how we handle that, but I don't think anyone objects to, eg, "stop overloading node.properties with control metadata"18:17
rlooyup. so the sooner we make these changes, the better.18:17
jrollright18:17
jrollso I was thinking about talking about that one, though18:17
jrollbecause there's a lot of impact there18:18
jrollthe rest seem fairly obvious18:18
devanandafor reference18:18
devananda#link http://docs-draft.openstack.org/83/367583/2/check/gate-ironic-specs-docs-ubuntu-xenial/2f1716f//doc/build/html/specs/approved/evolve-driver-info.html18:18
devanandaand yes, there is a lot of impact18:19
devanandabut it's limited to specific drivers18:19
jrollahhh18:19
jrollI was thinking of "make capabilities a first class thing"18:19
devanandaright - which I did not include18:20
rlooyeah, we need to do that too.18:20
devanandaehhh...18:20
devanandathat's a can of worms18:20
devanandaI have intentionally focused this on things that I do not think are contentious // that we can actually achieve18:20
jrollconsidering we expect this to be a somewhat ongoing thing, one spec at a time... why did you focus on those?18:20
devanandajroll: I think these four could all be done in one cycle18:21
devanandawith the appropriate deprecation periods following it18:21
jrollwe could still lay it out and do these four first18:22
jrolllike, these easier changes are great18:22
jrollbut we have some seriously terrible things in our API that I would like to try to fix sooner than later18:22
jrolland that's what I originally intended for this group to do18:22
jroll(the hard stuff)18:23
rloothe hard stuff is what i think the f2f meetings will be useful for.18:23
jrollI'm not saying "this is a bad way to do this", just surprised, as it isn't what I imagined18:23
jrollrloo: right, not sure any of this needs summit time18:23
devanandajroll: which items from https://etherpad.openstack.org/p/ironic-v2-api do you feel are hard // need summit time?18:23
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* devananda notes that "make capabilities a first class thing" isn't on there18:24
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jrollit is, #418:25
jrollyour spec proposes a partial fix for #418:25
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devanandajroll: no - my spec is a complete fix for #418:25
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devanandait doesn't address how the nova scheduler uses capabilities18:25
devanandaI did not interpret that as the problem described by #418:26
jrollbut I think task tracking, API version deprecation, a deploy API, multitenant without nova, get off pecan/wsme - are all hard things that need discussion18:26
jrollmaybe we understand #4 differently, but I think putting those at node.capabilities is important and part of #418:26
jrolland I think #4 is about more guarantees about what is in our json blobs in general18:27
devanandaI see18:27
devananda"Having undefined configurations/options is a separate problem that should be fixed with better documentation and more unity between different drivers  +1000"18:27
devanandaI agree with whoever wrote that -- that it's a separate problem from "some values in node.properties.capabilities actually change how Ironic behaves"18:28
devanandaso that is what I focused on18:28
devanandaanyhow -- if the structure here is good, I'll continue writing proposals for the harder changes (task tracking, deploy API, etc)18:28
jrollgot it18:28
jrollyeah, I'm good with the plan/structure18:28
jrollI'm not sure I agree we can do the first four in ocata, but hey :)18:29
jrollcertainly willing to try18:29
devananda:)18:29
rlooi hadn't thought about ocata, but now i'm starting to worry about everything i'd like to see in ocata...18:29
jrollheh18:29
jrollso much to do :)18:29
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rlooso i think we should decide which harder things we'd like to see in ocata, so that we can get those in good enough shape to discuss at the summit.18:30
devanandamaybe we pick one right now?18:30
rlooand we need to remind/ask folks to spend time before the sessions, getting uptospeed/reading the proposals first.18:31
devanandarloo: indeed18:31
devanandamaybe we post a sign, like at the county fair, "if you haven't read these 1,000 lines of spec proposal, you do not get to ride this ride" :)18:32
jrollI'd love to see version deprecation mechanisms worked on, in a cross-project context18:32
rloowe should make capabilities a first class citizen. do we even know whether it is a dict that can take any key?18:32
jrollrloo: it is, afaik18:32
devanandarloo: it can right now, except in some cases, where the drivers do different things18:32
devanandait's bizarre :(:18:32
rloodevananda: i think we probably need to let folks know that the sesssions are not going to be spent describing the problem but discussing the solution. unless we don't know what the problem is.18:32
devanandawell, at the midcycle we made a list of the problems :)18:33
rlooyeah, i know it can take any key now. in the new world, would we want to predefine what is allowed for capabilities?18:33
devanandajroll: I would like to see that as well, but I do not think it will happen18:33
jrolldevananda: ever?18:33
devanandarloo: you temp the can of worms I was referring to earlier...18:34
devanandajroll: not this cycle anyway18:34
jrollsure18:34
devanandajroll: but I may be wrong18:34
rloodevananda: gotta face the worms head on!18:34
devanandajroll: anyhow, I don't think we should take that one on ourselves yet18:34
rlooi wonder how productive the barcelona summit will be... depends on who shows up...18:34
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jrolldevananda: yeah, I just wonder how soon we'll want it, I suspect it is soon18:35
rloojroll: you could always propose it to the xproject part. if you propose, does it mean you have to have a solution?18:35
devanandaso, other ideas: task tracking tokens ? deploy API without Nova ? better multi-user support ?18:35
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jrollI'd hold off on the last one, but task tracking seems like it could be doable, not crazy hard18:36
rloodo either of you have an idea of the operators' pain points. the really bad ones they would like fixed sooner rather than later?18:37
devanandarloo: IME, xproject discussions often lack a concrete solution going in - sometimes the goal is to see who in the room can think of one18:37
jrollright, deva said it better than me18:37
rlooclint to the rescue with the architecture whatever group18:37
devanandarloo: nova interaction. rolling upgrades. stuck nodes. better debugging of IPA. (just off of memory )18:37
jrollI'd agree with those18:38
rloodevananda: and those are higher than these api issues?18:38
jrollprobably18:38
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rloohmm. we should use the summit to discuss any hard issues that prevent us from getting something done in ocata.18:39
rloowhat nova interactions are left ? :)18:39
devanandarloo: capabilities :p18:39
jrollheh18:39
jrollyeah maybe we should focus on capabilities18:39
rloowhy do i hear 'capabilities' again?18:39
rlooyup. i think we should tackle that then.18:40
devanandajroll: speaking of summit time, we should definitely discuss the nova / scheduler / resource tracker stuff18:40
devanandawe rushed in an API change for that in newton18:40
rlooand maybe it will be sufficient to work on the easier api stuff via spec discussions, and not at summit.18:40
jrolldevananda: as in kind of a knowledge sharing session, or?18:40
jrollrloo++18:40
devanandajroll: yes, knowledge/plan sharing18:41
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jroll++18:41
* rloo hopes there are enough (knowledgeable) developers and reviewers in ocata to get the work done.18:41
devanandawe don't have a lot of f2f time, but IMO that's important enough to give it some time18:41
devanandarloo: me too ....18:41
rlooprobably a fishbowl for the nova/scheduling/...18:41
jrolldevananda: agree18:41
jrollI think there are enough people in nova, this is now one of their priorities18:41
devanandajroll: if you think these 4 things, plus, say, task tracking, are uncontentious enough that we won't need summit time for them -- tht's great18:42
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rloois that a joint nova/ironic session?18:42
rloowe can see what is being proposed for summit sessions; can always have one to discuss things we want to see done...18:42
jrollit's just sharing time, I think if we can get jay pipes in to an ironic session and it should be sufficient18:42
rlootrue. i think with nova, if you bring one nova person, you get a few more for free. with neutron, you get them all :)18:43
devanandathat's another session where folks should read the docs ahead of time18:43
jrolldevananda: I think the capabilities thing might need one, if we go further than "move a few capabilities to driver_info"18:43
devanandaI don't think we need to take that on in ocata, tbh18:44
rloonow, the nova/scheduling/ stuff could do with a meta spec!18:44
devanandajroll: or to put it another way, I have no idea how to solve that at the moment // in this cycle18:44
jrollrloo: there's already 10+ specs in nova :)18:44
jrolldevananda: sure18:44
rloojroll: that's what i mean. wading through them all to understand how the new nova scheduling will work...18:45
jrollrloo: yeah18:45
jrollit's dense, and confusing18:45
jrollmaybe jay and I can write a thing18:46
rloojroll: that'd be good. can be the basis of your summit session :)18:46
rlooso wrt the api stuff...18:46
rloowhat did we decide?18:46
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jrollsounds like "probably don't need a barcelona session"18:47
devanandaI'll add a task tracking spec18:47
rlooand we're not going to look at capabilities in ocata?18:47
devanandarloo: not the major overhaul of it, at least18:47
jrollright, just the move some to driver_info bit18:47
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rloooh, yuck. still keep the rest in properties/capabilities?18:48
jrollwe need to get more of the scheduling work done to be able to move those out18:48
jrollcurrently people use them in nova18:48
devanandawhat jroll said ^18:48
rlooSIGH. ok.18:48
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jrollwe all want them gone. soon.18:48
rlooi guess you don't like the idea of a shim in the ironic-virt driver to convert capabilities <-> properties/capabilities?18:49
jrollwe *will* do it, just needs a bit more work18:49
rloook, i can be patient.18:49
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jrollI mean, we could do that too18:49
jrollbut there's some complications, idk18:49
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jrollprobably worth shaking out scheduler changes first18:49
rlooit isn't worth the complications. i don't think. there's already lots of other work to do anyway.18:49
jrollya18:50
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devanandajroll: agreed. let's not complect the scheduler changes more than they already need to be18:50
jrollright18:50
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jrollso action items for now is deva writes more words, the rest of us review said words, yes?18:50
rlooyup.18:51
jrollcool18:51
jrollanything else?18:51
devanandayah18:51
devanandanope18:51
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devanandayah - I write more words. nope - nothing else :)18:51
jrollrloo?18:51
rlooi'm good.18:51
devanandathanks, ya'll18:51
jrollcool18:51
jrollyes, thanks18:51
rloothx deva!18:51
jrolloh before we go18:51
jrollnext week or skip a week?18:51
devanandaskip is good with me18:52
rlooi'm always happy to skip18:52
jrollheh, cool, see you here in 2 weeks :)18:52
jroll#endmeeting18:52
*** openstack changes topic to "OpenStack Meetings || https://wiki.openstack.org/wiki/Meetings"18:52
openstackMeeting ended Tue Sep 20 18:52:37 2016 UTC.  Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4)18:52
openstackMinutes:        http://eavesdrop.openstack.org/meetings/ironic_api_v2/2016/ironic_api_v2.2016-09-20-18.01.html18:52
openstackMinutes (text): http://eavesdrop.openstack.org/meetings/ironic_api_v2/2016/ironic_api_v2.2016-09-20-18.01.txt18:52
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openstackLog:            http://eavesdrop.openstack.org/meetings/ironic_api_v2/2016/ironic_api_v2.2016-09-20-18.01.log.html18:52
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