Thursday, 2018-12-06

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tellesnobrega#startmeeting sahara14:00
openstackMeeting started Thu Dec  6 14:00:35 2018 UTC and is due to finish in 60 minutes.  The chair is tellesnobrega. Information about MeetBot at http://wiki.debian.org/MeetBot.14:00
openstackUseful Commands: #action #agreed #help #info #idea #link #topic #startvote.14:00
*** openstack changes topic to " (Meeting topic: sahara)"14:00
openstackThe meeting name has been set to 'sahara'14:00
jeremyfreudbergo/14:00
toskyo/14:01
tellesnobrega#topic News/Updates14:01
*** openstack changes topic to "News/Updates (Meeting topic: sahara)"14:01
tellesnobregaI have been working on APIv2 stuff, updated the cluster scaling patch (please review)14:02
tellesnobregaI have some questions on the 500 issue to jeremyfreudberg later, but we can have a specific topic for it later14:02
toskyoh, I have plenty of contents for "specific topics" :)14:02
toskywhat I did: I tested the current split plugin test repositories14:03
toskyit seems to be mostly working14:03
toskyI hit few issues which do not seem to be regressions introduced by the splitting, especially on vanilla14:03
toskyone of the fixes was already sent and merged14:04
tellesnobregatosky, nice, we can talk about each later14:04
toskyanother one is the scaling patch (ok, for later)14:04
tellesnobregasure14:04
toskyI also insisted a bit too much on python3, as you can see from the patches around14:04
toskyaaand I sent out a spec for sahara-tests (another small topic)14:05
tellesnobregabusy week for tosky14:05
tosky</weeklyreport>14:07
tellesnobregajeremyfreudberg, any updates?14:07
tellesnobregalet me start with the 500 issue, then we can talk about all your topics14:08
jeremyfreudberguh, if you sent any mail to my red hat account in the past few days, i didn't get it (payroll changes)14:08
jeremyfreudbergand i'm looking at the tempest failures on the unversioned endpoints patch14:08
tellesnobregathat would be great14:08
tellesnobregaif you find something let me know14:09
tellesnobrega#action jeremyfreudberg to look into tempest failure on unversioned endpoints patch14:10
tellesnobrega#topic APIv2 - Fix 500 on malformed query string14:10
*** openstack changes topic to "APIv2 - Fix 500 on malformed query string (Meeting topic: sahara)"14:10
toskynah, the notification from gerrit go to your personal account, if you noticed them it'd be more than enough14:10
jeremyfreudbergyup14:10
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tellesnobregaso, we talked a little about this last week, and I just got a chance to take a look into it14:11
tellesnobregaI was able to see the issue on GET, POST seems to work fine (but need to check other calls)14:11
tellesnobregajeremyfreudberg, suggested we could use before_request to solve the issue, using a whitelist of the params that are acceptable14:13
tellesnobregaFirst question: what is the appropriate response we should use?14:14
tellesnobregaSecond question: all requests go through _mroute, can't we just validate this there?14:15
jeremyfreudbergi think you're right, that it doesn't always cause an issue -- only where get_request_args() is used haphazardly (example: cluster list)14:15
jeremyfreudberguh, yeah, i think it can go in handler() in sahara.utils.api14:16
jeremyfreudberg(which is "inside" mroute)14:16
tellesnobregaI will give it a try14:17
tellesnobregawhat response do we want to give when that happens?14:17
tellesnobrega400?14:18
jeremyfreudbergalmost definitely 40014:18
tellesnobregaok14:18
tellesnobregayou will see a patch soon14:19
tellesnobregatosky, what do you want to talk about first?14:19
jeremyfreudbergand i remember that the api-sig said that we should try to give a most specific and helpful error message (at the very least, reporting the whitelist to the user)14:19
toskytellesnobrega: I have: split plugins, python3, and scenario tests spec14:20
tellesnobregasounds good14:20
toskyany order is fine14:20
tellesnobregaI will do that14:20
tellesnobrega#topic split plugins14:20
*** openstack changes topic to "split plugins (Meeting topic: sahara)"14:20
tellesnobregatosky, you have the floor14:20
toskyas I mentioned, I hit two issues with vanilla: EDP jobs failing (but it's not a regression, apparently)14:21
toskyand cluster scaling, which is fixed by https://review.openstack.org/616193 - or at least the previous iteration of the patch14:22
tellesnobregadoes that mean the current fails or you didn't test it yet?14:22
toskyI didn't get to test it yet14:23
jeremyfreudbergwhat was the edp failure?14:23
toskysome jobs in failed state, but I wasn't able to pinpoint the reason14:24
toskyor better, now that I think about it14:24
toskyvanilla 2.8.2 seems to fail only on Hive job, which is a painful and know issue14:24
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toskyvanilla 2.7.1 (on centos) returned other errors14:24
toskythen I moved to other tests14:24
jeremyfreudbergyes, hive is always a bit of funny one14:25
jeremyfreudbergbut like you said, none of that is really a regression, i think14:25
toskythe relevant point is that the split plugin codebase behaves as the current master, which is good14:25
toskyI discussed on rdo-dev on how to handle the packaging after the split; the idea is to use a variable to handle the bootstrapping case14:25
toskyaka: at the beginning of each cycle: build the packages from openstack-sahara without any references to the plugins; build the packages of the plugins;14:26
toskyrebuild the openstack-sahara source packages so that the binary package openstack-sahara depends on the binary packages of the plugins14:27
toskythis is already done with openstack-tempest and openstack-tempest-all14:27
tellesnobregadoesn't seem like too much trouble14:27
toskywe just need to remember the flip the flag14:28
toskythe discussion started here: https://lists.rdoproject.org/pipermail/dev/2018-November/008972.html14:28
toskynext step, complete the draft of the email for openstack-discuss@ and send it14:28
tellesnobregathanks for doing this work tosky14:29
toskythen we can probably proceed, so that we can close it hopefully before the end of the year vacations (at least my vacations :)14:29
toskywe need some help from puppet people at least (I can probably help more on the ansible side)14:29
tellesnobregasounds good14:31
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tellesnobregaanything else on this topic?14:32
toskynothing else from me14:32
tellesnobregajeremyfreudberg?14:32
tellesnobregacomments?14:32
jeremyfreudbergit makes sense14:33
tellesnobregacool14:33
tellesnobrega#topic python314:34
*** openstack changes topic to "python3 (Meeting topic: sahara)"14:34
toskyyou may have noticed few patches related to python314:34
tellesnobregayes14:34
toskythere are few different issues, sometimes connected14:34
toskythe easy one: switch the default runner of sahara-scenario to python314:35
toskyoriginal proposal by Doug https://review.openstack.org/606712, but see the comments; my proposal is https://review.openstack.org/#/c/608211/14:35
toskythis is about running sahara-scenario with python3, not yet running sahara with python314:35
toskyTalking about running sahara itself with python3, this is more complex14:36
toskyI found few smaller issues which are fixed by https://review.openstack.org/#/c/622611/14:36
toskythe patch reduces the number of warnings and errors, but it's still not enough14:37
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toskythere is a major issue somewhere when the cluster status changes and it's written down in the databse14:37
toskydatabase*14:37
toskyand that's the reason for patches like https://review.openstack.org/#/c/600689/ but they are still not enough; check the exceptions in http://logs.openstack.org/89/600689/7/check/sahara-tests-scenario-py3/ba2e212/14:38
toskyit's a bit difficult to decypher, but it's here: http://logs.openstack.org/89/600689/7/check/sahara-tests-scenario-py3/ba2e212/controller/logs/screen-sahara-eng.txt.gz#_Dec_05_22_09_15_24324614:38
toskyI tried to deploy devstack locally on bionic, found few issues (hence https://review.openstack.org/#/c/623078/ )14:39
tellesnobregaI've this before14:39
toskybut I'm still failing and I don't know why14:39
toskyI workarounded the issue with notifications by cheating - I disabled them14:40
toskysee https://review.openstack.org/62319314:40
toskybut still not enough, not even locally, with weird errors on cinder14:40
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toskyI'm trying now locally without volumes; still not sure why 623193 failed - because of course the patch disables notifications, so sahara-eng.log is useless :)14:41
toskyand that's it14:41
tellesnobregathat is a lot for sure14:41
toskyat some point I will start asking around for python experts; I suspect that the notification issue is some value which is passed with the wrong type (string vs bytes)14:41
tellesnobregathanks for pushing this forward14:42
jeremyfreudbergyes, thanks for all the digging14:42
tellesnobregado you know any python experts, if not I can try to look around and find someone with some time to help out14:42
tellesnobregaswift is pretty much on the same position14:42
toskyI workarounded swift as well by using ceph radosgw - it was easier than making sure that swift started with python2 works with an full python3 environment (I think I explained this in the past)14:43
toskyI think we are in a better shape than swift - we have one or two major issues that, when fixed, should probably unblock the rest14:44
toskycompared to a full port14:44
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tellesnobregagreat14:44
tellesnobregaI mostly meant about needing a python expert14:44
toskyoh, let's see, there are few in the openstack community14:45
tellesnobregacool, if it gets to that point we call on them14:46
tellesnobregawant to move on to scenarios test spec?14:46
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toskyyep14:47
tellesnobrega#topic scenario tests spec14:47
*** openstack changes topic to "scenario tests spec (Meeting topic: sahara)"14:47
toskythis is about https://review.openstack.org/62319314:48
toskyI hope I explained everything there, but I suspect my writing may not have been understandable enogh14:48
tellesnobregaI think you pasted the wrong patch14:49
toskyright, sorry14:49
toskythis is it: https://review.openstack.org/#/c/622492/14:49
tellesnobregaI have to re-read14:50
jeremyfreudbergi'll have a look soon14:50
jeremyfreudberganything to mention about it now?14:50
toskythe proposal started as a way to add the support for running S3 jobs only when a cluster supports S3 without having to duplicate the templates, basically14:51
toskymaybe it's overengineered, but I hate hacks :D14:51
toskyI know it's not accepted, but I may quickly write down a draft of the code14:52
toskywriting the spec helped a lot to organize my ideas14:52
tellesnobregafrom what I read, it mostly looks good, I will look again today14:53
toskythanks!14:54
tellesnobregafeel free to work on the draft14:54
tellesnobregato finalize14:55
tellesnobregalets review the APIv2 patches14:55
tellesnobregawe need to get them moving14:55
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tellesnobregareview tosky's spec14:55
tellesnobregaand python3 patches14:56
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tellesnobregaanything else I missed?14:56
toskythere are few smaller patches lying around, some of them with a +2 already14:57
toskynot many left at this point, but still14:57
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tellesnobregaI will take a look14:58
tellesnobregawe have 1 minute left14:59
tellesnobregaanything else for today?14:59
jeremyfreudbergnope14:59
tellesnobregaif not, thanks everyone, great work. see you all next week15:00
toskythank you all!15:00
tellesnobrega#endmeeting15:00
*** openstack changes topic to "OpenStack Meetings || https://wiki.openstack.org/wiki/Meetings/"15:00
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openstackMeeting ended Thu Dec  6 15:00:13 2018 UTC.  Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4)15:00
openstackMinutes:        http://eavesdrop.openstack.org/meetings/sahara/2018/sahara.2018-12-06-14.00.html15:00
openstackMinutes (text): http://eavesdrop.openstack.org/meetings/sahara/2018/sahara.2018-12-06-14.00.txt15:00
openstackLog:            http://eavesdrop.openstack.org/meetings/sahara/2018/sahara.2018-12-06-14.00.log.html15:00
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haleyb#startmeeting neutron_l315:01
openstackMeeting started Thu Dec  6 15:01:19 2018 UTC and is due to finish in 60 minutes.  The chair is haleyb. Information about MeetBot at http://wiki.debian.org/MeetBot.15:01
openstackUseful Commands: #action #agreed #help #info #idea #link #topic #startvote.15:01
*** openstack changes topic to " (Meeting topic: neutron_l3)"15:01
openstackThe meeting name has been set to 'neutron_l3'15:01
ralonsohhi15:01
Swamihi15:01
tidwellrhi15:02
haleybhi everyone, lets get started...15:02
haleyb#topic Announcements15:02
*** openstack changes topic to "Announcements (Meeting topic: neutron_l3)"15:02
haleybJust a reminder there is about a month left until Stein-2, Jan 7-1115:03
SwamiI will have to leave early today by 7.30.15:03
haleybbut with US holidays we'll probably not have a full month of people-hours15:04
haleybSwami: ack, we'll do bugs next :)15:04
haleybany other announcements from people?15:04
haleyb#topic Bugs15:05
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*** openstack changes topic to "Bugs (Meeting topic: neutron_l3)"15:05
haleybSwami: you want to do bugs?  i see two new ones since last week i think15:05
SwamiYes.15:05
Swami#link https://bugs.launchpad.net/neutron/+bug/177445915:06
openstackLaunchpad bug 1774459 in neutron "Update permanent ARP entries for allowed_address_pair IPs in DVR Routers" [High,Confirmed] - Assigned to Swaminathan Vasudevan (swaminathan-vasudevan)15:06
Swami#link https://review.openstack.org/#/c/601336/15:06
SwamiI need reviewers to review this patch. It is quite complex patch that involves l2, l2pop and l3.15:07
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haleyback, i should have time later today or tomorrow15:08
SwamiFirst I need to know if I am going in the right direction. As far as I know it seems ok, but I wanted to be careful in addressing the OVS flow changes, so that I don't pollute the local_switching table in br_int.15:08
Swamihaleyb: thanks15:08
SwamiI will wait for your review.15:08
tidwellrswami: I owe you some reviews15:09
Swamitidwellr: yes thanks15:09
Swami#link https://bugs.launchpad.net/neutron/+bug/180200615:09
openstackLaunchpad bug 1802006 in neutron "Floating IP attach/detach fails for non-admin user and unbound port with router in different tenant" [Medium,In progress] - Assigned to Arjun Baindur (abaindur)15:09
SwamiThere is a patch under review. #link https://review.openstack.org/#/c/622623/15:10
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SwamiI think this fix is pretty trivial fix and minor one. So please review it.15:10
Swami#link https://bugs.launchpad.net/neutron/+bug/180432715:10
openstackLaunchpad bug 1804327 in neutron "occasional connection reset on SNATed after tcp retries" [Medium,In progress] - Assigned to Dirk Mueller (dmllr)15:10
SwamiThere is also a patch up for review for this bug. #link https://review.openstack.org/#/c/618208/15:11
haleybSwami, tidwellr - I know there was a discussion regarding this one?15:12
Swamihaleyb: you had a question in the bug about if this is related to DVR. I think we have seen this issue in a DVR environment.15:12
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tidwellrI'll be taking this one over15:12
haleybright, but is it dvr-only?  seems like any floating would have the same issue?15:13
tidwellrI think we saw some bad behavior with SNAT, but not sure about FIP traffic15:13
Swamitidwellr: ok thanks15:13
tidwellrit's not specific to DVR15:13
Swamihaleyb: do you think that we should also address this fix for the FIP traffic?15:14
haleybtidwellr: ack.  looking i can't remember why that tcp_loose setting is only in the dvr code15:15
Swamihaleyb: probably where ever the connection tracking is enabled.15:15
tidwellrright, the issue is around connection tracking15:15
Swamihaleyb: yes I did also see the 'tcp_loose' only for the snat namespace.15:15
haleybso more of a general question on if we need to make this happen whereever conntrack is in play15:16
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Swamihaleyb: so in that case also the 'tcp_loose' setting should be applied where ever the connection tracking is enabled.15:16
tidwellrhalybe: I think so15:17
Swamitidwellr: if we agree that it has to be applied to all connection tracking code, then ignore my comment in the patch.15:17
haleybSwami: i think so, maybe we only ever saw a problem with dvr, i think i added that code too15:17
Swamihaleyb: ok thanks15:18
SwamiThe next one in the list is #link https://bugs.launchpad.net/neutron/+bug/180545615:18
openstackLaunchpad bug 1805456 in neutron "[DVR] Neutron doesn't configure multiple external subnets for one network properly" [Medium,In progress] - Assigned to Rodolfo Alonso (rodolfo-alonso-hernandez)15:18
Swamithere is also a patch up for review. #link https://review.openstack.org/#/c/622449/15:19
SwamiI have not reviewed it yet, and I will review it.15:20
SwamiThe last one in my list is #link https://bugs.launchpad.net/neutron/+bug/179499115:20
openstackLaunchpad bug 1794991 in neutron "Inconsistent flows with DVR l2pop VxLAN on br-tun" [Undecided,New]15:20
SwamiI was not able to reproduce this problem locally. But similar problems have been reported. I will have to see how we can reproduce this locally before we provide a fix.15:21
haleybi have not had any cycles to look myself15:22
Swamihaleyb: I am not sure if I covered that two new bugs that you mentioned that came in this week. But this is what I had in my list.15:22
haleybSwami: i think there was one more in dhcp code, guess that's still l3 :)15:22
haleybhttps://bugs.launchpad.net/neutron/+bug/180677015:22
openstackLaunchpad bug 1806770 in neutron "DHCP Agent should not release DHCP lease when client ID is not set on port" [Medium,Triaged] - Assigned to Arjun Baindur (abaindur)15:22
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Swamihaleyb: let us prioritize on the ARP responder patch. Once I am freed up from that patch, I can move to other backlog items.15:23
Swamihaleyb: Is this specific to DVR15:23
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haleybno, but bug isn't dvr, just dhcp/ipam15:23
Swamihaleyb: ok thanks15:24
haleybthere are two patches up for review for the dhcp issue, arjun wanted input on which was better, i've been reviewing15:25
SwamiI need to drop off now. I will catch up in the neutron channel later.15:26
haleybSwami: ack, thanks for attending15:26
haleybany other bugs to discuss from the team?15:27
tidwellrnothing from me15:27
haleyb#topic Check/gate failures15:28
*** openstack changes topic to "Check/gate failures (Meeting topic: neutron_l3)"15:28
haleybhttp://grafana.openstack.org/d/Hj5IHcSmz/neutron-failure-rate?orgId=115:28
haleybnot sure why i got the funky url...15:29
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haleybi know miguel wanted to discuss something regarding the dvr job, just don't remember the context, let me look at the page for a second15:29
haleybguessing it had to do with non-voting jobs in check queues, so i'll follow-up with him15:31
haleybthe dvr ones actually seem to track the "normal" ones pretty closely15:31
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haleybexcept for the dvr scenario job that is15:32
haleyb#topic Open discussion15:32
*** openstack changes topic to "Open discussion (Meeting topic: neutron_l3)"15:32
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tidwellrI have to say I don't know much about these jobs, is there some redundancy there?15:32
haleyb#undo15:32
openstackRemoving item from minutes: #topic Open discussion15:32
haleybtidwellr: yes, there has always been a little.  the plan a while back was to just have a dvr/ha/multinode job and remove one of the others, it just isn't as stable15:33
tidwellrthanks, I assume streamlining this is a goal at some point?15:34
haleybtidwellr: it was a goal that we've never seemed to finish, i'll have to revive or create a new patch to at least make the tempest job voting15:35
tidwellrack15:36
haleybthe scenario job will need some investigation into why it's failing, for the past week it's been 2x, but today it looks 10x15:36
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haleyb#action haleyb to re-propose patch for making dvr-ha-multinode tempest job voting15:37
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haleyb#action haleyb to investigate why neutron-tempest-plugin-dvr-multinode-scenario job failure rate has jumped15:38
* haleyb assumes the meeting bot recorded that15:38
haleyb#topic Open discussion15:39
*** openstack changes topic to "Open discussion (Meeting topic: neutron_l3)"15:39
tidwellrhaleyb: I'm gonna make a small tweak to https://review.openstack.org/#/c/581098/ today15:40
tidwellrhaleyb: based off your feedback15:40
haleybtidwellr: ok, great, my eye was just drawn to the nested for loops15:41
haleybmake if 0.001 % faster :)15:41
tidwellrhaleyb: right :)15:41
haleybs/if/it15:41
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tidwellrbut in the worst case on a large external network that can add up15:42
haleybthanks!15:43
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haleybxubozhang: are you around?  you had pinged me about https://review.openstack.org/#/c/528336/ earlier, didn't know if you had made progress on failures15:44
haleybi have not had time to try and debug them15:45
haleybguess he's not here15:45
haleybralonsoh: i saw https://review.openstack.org/#/c/611059/ was in the agenda, but perhaps that is old?  review looks like it's waiting for new neutron-lib15:46
ralonsohyes, it's waiting for n-lib 1.2115:47
ralonsohand the patch for n-lib 1.21 it's almost merged15:47
haleybralonsoh: ack, i think you can remove the depends-on for that change, as it doesn't exactly work for pulling-in newer lib, right?15:48
ralonsohI'll do it once the lib bump patch is merged15:48
haleybgreat15:49
haleybanyone have something to discuss?15:49
haleybok, thanks for attending, have a good weekend everyone15:51
haleyb#endmeeting15:51
*** openstack changes topic to "OpenStack Meetings || https://wiki.openstack.org/wiki/Meetings/"15:51
openstackMeeting ended Thu Dec  6 15:51:16 2018 UTC.  Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4)15:51
openstackMinutes:        http://eavesdrop.openstack.org/meetings/neutron_l3/2018/neutron_l3.2018-12-06-15.01.html15:51
openstackMinutes (text): http://eavesdrop.openstack.org/meetings/neutron_l3/2018/neutron_l3.2018-12-06-15.01.txt15:51
openstackLog:            http://eavesdrop.openstack.org/meetings/neutron_l3/2018/neutron_l3.2018-12-06-15.01.log.html15:51
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