Monday, 2019-08-26

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openstackgerritgaryk proposed openstack/tooz master: Fix edge case with connectivity with etcd service  https://review.opendev.org/67802010:43
openstackgerritgaryk proposed openstack/tooz master: Honor blocking=True for the etcd aquire method  https://review.opendev.org/67802010:57
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openstackgerritAndy Smith proposed openstack/oslo.messaging master: Setup backend scenarios for functional tests  https://review.opendev.org/67774414:12
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bnemec#startmeeting oslo15:00
bnemecCourtesy ping for bnemec, jungleboyj, moguimar, hberaud, kgiusti, redrobot, stephenfin, johnsom15:00
bnemec#link https://wiki.openstack.org/wiki/Meetings/Oslo#Agenda_for_Next_Meeting15:00
openstackMeeting started Mon Aug 26 15:00:45 2019 UTC and is due to finish in 60 minutes.  The chair is bnemec. Information about MeetBot at http://wiki.debian.org/MeetBot.15:00
openstackUseful Commands: #action #agreed #help #info #idea #link #topic #startvote.15:00
*** openstack changes topic to " (Meeting topic: oslo)"15:00
openstackThe meeting name has been set to 'oslo'15:00
moguimaro/15:00
johnsomo/15:01
ansmitho/15:01
redrobot👋15:01
bnemecI can't tell what that is. :-)15:03
bnemec#topic Red flags for/from liaisons15:03
*** openstack changes topic to "Red flags for/from liaisons (Meeting topic: oslo)"15:03
johnsomredrobot and his fancy emojis15:03
johnsomNothing from the Octavia team this week15:04
moguimarNothing from Barbican15:04
bnemecI don't think there were any major issues last week.15:04
bnemecOne thing to be aware of is that I'm hoping to get https://review.opendev.org/641907 merged soon.15:04
bnemecThat will change the behavior of oslo.service on SIGHUP if you use mutable config.15:04
openstackgerritMerged openstack/oslo.messaging master: Add the mandatory flag for direct send  https://review.opendev.org/67207315:05
bnemecBasically it will make it work the way it was always supposed to, but it is a pretty significant change in behavior.15:05
bnemecSo if you see any issues in the near future, keep that in mind.15:06
bnemecThat should be it for this topic.15:06
bnemec#topic Releases15:06
*** openstack changes topic to "Releases (Meeting topic: oslo)"15:06
gsantomaggio👋15:06
bnemecI didn't actually propose any last week because the one from the previous week hadn't merged yet.15:06
bnemecIt has now though, so I'll get them proposed early this week.15:07
bnemec#topic Action items from last meeting15:08
*** openstack changes topic to "Action items from last meeting (Meeting topic: oslo)"15:08
bnemecThere were no action items last week.15:08
gsantomaggioI finished ( for the moment ) mandatory stuff:15:08
gsantomaggiohttps://blueprints.launchpad.net/oslo.messaging/+spec/transport-options15:08
gsantomaggioClient and server side15:08
bnemecThere was an agreement to abandon https://review.opendev.org/#/c/650935 which I see was done.15:08
moguimaryep15:09
bnemecgsantomaggio: Yep, I see that just merged.15:09
bnemecSpeaking of which...15:09
bnemec#action bnemec add gsantomaggio to oslo.messaging core list15:10
gsantomaggiothank you15:10
bnemec#topic Feature freeze15:10
*** openstack changes topic to "Feature freeze (Meeting topic: oslo)"15:10
bnemec#link https://releases.openstack.org/train/schedule.html15:11
bnemecBe aware, this is the last week to merge features without an exception.15:11
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bnemecAfter Friday, any feature patches will require a feature freeze exception from me.15:11
bnemecI guess I don't have anything else to say about that. Just reminding everyone.15:12
bnemecI also don't have anything new to say about the PTG so I'm going to skip that one this week.15:13
bnemec#topic  Lazy translation15:13
*** openstack changes topic to "Lazy translation (Meeting topic: oslo)"15:13
bnemecThis came up last week because there was a patch to Keystone fixing it.15:13
bnemecI wanted to mention it because there was previously a question as to whether anyone was using lazy translation and if we could just drop it.15:14
bnemecThe fact that someone noticed it wasn't working means they are using it though.15:14
bnemecSo I'm proposing that we do keep it.15:15
bnemecHopefully not a controversial position. :-)15:15
bnemecIt does add a bit of complexity developers need to know about, but it hasn't been a huge maintenance burden thus far.15:15
bnemecThat's all I had. I mostly wanted to get this on the record so hopefully we don't forget the next time this question comes up. :-)15:16
bnemec#topic  oslo.service sighup change15:16
*** openstack changes topic to "oslo.service sighup change (Meeting topic: oslo)"15:16
bnemecI mentioned this earlier, but I want to point out https://review.opendev.org/641907 again.15:17
bnemec#link https://review.opendev.org/64190715:17
bnemecSo it shows up fancy in the meeting notes. :-)15:17
bnemecIt fixes a pretty significant bug in the mutable config functionality.15:18
bnemecAnd I would like to get it merged ASAP so we have some time before release to exercise it.15:18
bnemecZane has +2'd it and Eric verified that it does partially fix the Nova SIGHUP behavior (another patch is needed to oslo.privsep).15:20
bnemecThe latest patch set was just a commit message change to remove a bug that it doesn't actually fix.15:20
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bnemecAnyway, would appreciate another oslo core taking a look at that so we can get it merged.15:20
bnemecAnd that's it for topics.15:21
bnemec#topic Weekly Wayward Review15:21
*** openstack changes topic to "Weekly Wayward Review (Meeting topic: oslo)"15:21
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bnemecHerve has a question on https://review.opendev.org/#/c/649629/ so I'm going to skip that.15:23
bnemecI think https://review.opendev.org/#/c/662830 is good to go, but I'd still like a sanity check from the keystone team on that.15:24
bnemecI'll take an action to follow up with them about that.15:24
bnemec#action bnemec to ask keystone team about https://review.opendev.org/#/c/66283015:24
bnemecOkay, the next oldest are all WIP oslo.limit patches, so I think we're in pretty good shape here.15:26
bnemecI'll just leave it at the action to follow up on the castellan token patch.15:27
bnemecmoguimar: ^That might be of interest to you too.15:27
redrobot👀15:27
moguimarok, will add me and redrobot15:27
bnemecCool, thanks.15:27
bnemec#topic Open discussion15:28
*** openstack changes topic to "Open discussion (Meeting topic: oslo)"15:28
bnemecAnything else this week?15:28
moguimar not on my end15:30
bnemecOkay, that'll do it then.15:33
bnemecThanks for joining, everyone!15:33
bnemec#endmeeting15:33
*** openstack changes topic to "OpenStack Common Libraries | https://wiki.openstack.org/wiki/Oslo"15:33
openstackMeeting ended Mon Aug 26 15:33:15 2019 UTC.  Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4)15:33
openstackMinutes:        http://eavesdrop.openstack.org/meetings/oslo/2019/oslo.2019-08-26-15.00.html15:33
openstackMinutes (text): http://eavesdrop.openstack.org/meetings/oslo/2019/oslo.2019-08-26-15.00.txt15:33
openstackLog:            http://eavesdrop.openstack.org/meetings/oslo/2019/oslo.2019-08-26-15.00.log.html15:33
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openstackgerritBen Nemec proposed openstack/oslo.privsep master: Add functional tests  https://review.opendev.org/63846720:34
openstackgerritBen Nemec proposed openstack/oslo.privsep master: Add functional test for sighup behavior  https://review.opendev.org/67865320:34
openstackgerritBen Nemec proposed openstack/oslo.privsep master: Add functional tests  https://review.opendev.org/63846720:39
openstackgerritBen Nemec proposed openstack/oslo.privsep master: Add functional test for sighup behavior  https://review.opendev.org/67865320:39
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openstackgerritBen Nemec proposed openstack/oslo.privsep master: Add functional tests  https://review.opendev.org/63846721:07
openstackgerritBen Nemec proposed openstack/oslo.privsep master: Add functional test for sighup behavior  https://review.opendev.org/67865321:07
openstackgerritBen Nemec proposed openstack/oslo.privsep master: Add functional test for sighup behavior  https://review.opendev.org/67865321:10
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efriedbnemec: Shouldn't we be able to get around that race by synchronizing the PrivContext with the ClientChannel a bit better?21:24
bnemecefried: Maybe. I just posted a new version that uses a brute force retry to get around it.21:25
bnemecI'm open to more elegant solutions though.21:25
efriedsaw that21:25
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efriedI'm contemplating either a two-layer lock, or a lock that we can pass from the PrivContext into the ClientChannel...21:26
efriedbut I (obv) haven't thought it through all the way.21:26
bnemecI'm not sure whether locking would help here. Even with nothing happening in parallel on my test runs I was having issues.21:30
bnemecefried: ^21:31
efriedWhen you say "nothing happening in parallel"...21:32
efriedThis is still running two threads, nah?21:32
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efriedmm, yeah, I started trying to think through the race and it doesn't make sense (yet).21:34
bnemecYeah, there's two threads, but the error is coming entirely from the client side.21:35
bnemecThere just seems to be delay between when the daemon gets SIGHUP'd and when the socket actually notices it's gone.21:35
bnemecOr maybe there's a delay between the signal being delivered and the process actually dying.21:36
bnemecI'm not sure and it's difficult to debug because it only seems to last about .001 seconds (somewhere around that is when the unit test got flaky).21:37
efriedI wonder if it's the gap between when we set `started` to True and when we receive the first message.21:38
efriedbnemec: wait a minute, your func tests are sitting independent of my restart code.21:39
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bnemecefried: Oh, yeah, I've been cherry-picking your patch for testing.21:39
efriedah21:39
bnemecI should have just rebased the test patches on it, but I didn't think about it at the time.21:40
bnemecI wasn't planning on it being so many patch sets either. :-)21:40
efriedheh21:40
efriedwell, let me do the same and play a bit locally.21:40
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