Monday, 2016-09-05

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openstackgerritDongcan Ye proposed openstack/kuryr-libnetwork: Remove network tags directly  https://review.openstack.org/36544305:31
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openstackgerritMerged openstack/kuryr-libnetwork: Move kuryr_libnetwork/common/* to kuryr_libnetwork  https://review.openstack.org/36156707:58
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apuimedo:-)08:06
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openstackgerritMerged openstack/kuryr-kubernetes: Add asyncio eventloop.  https://review.openstack.org/36062908:42
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apuimedodevvesa: fkautz: hongbin: huats: irenab: janonymous: jerms: limao: mestery: pablochacin: salv-orlando: vikasc: I sent the email with the meeting points for last week's kuryr-kubernetes meeting. Sorry I didn't get to it last week08:55
huatsgreat :08:55
huatsthanks apuimedo08:55
apuimedoI also updated the meeting's wiki with the meeting points for today08:55
apuimedohuats: you're welcome08:55
apuimedo;-)08:55
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janonymousapuimedo: thanks08:56
apuimedonow back to the darned keystone v3 support08:57
apuimedo:-)08:57
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devvesathanks!09:08
apuimedoyou're welcome09:11
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openstackgerritJaume Devesa proposed openstack/kuryr-kubernetes: Override python test command on python2.7  https://review.openstack.org/36556310:26
devvesaapuimedo, vikasc, irenab: this is a quick one ^10:27
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apuimedodevvesa: +210:34
devvesa]thanks10:35
openstackgerritJaume Devesa proposed openstack/kuryr-kubernetes: Introduce the translator layer  https://review.openstack.org/36375810:36
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openstackgerritMerged openstack/kuryr-kubernetes: Override python test command on python2.7  https://review.openstack.org/36556310:51
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openstackgerritAntoni Segura Puimedon proposed openstack/kuryr: Kubernetes watchers-translators specification  https://review.openstack.org/36560012:11
apuimedoivc_: devvesa: vikasc: the spec above is meant to clarify the API we were discussing in previous meetings12:14
apuimedobetween watchers, filters, translators, etc12:14
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devvesais there a meeting today?12:21
apuimedo|lunchdevvesa: yes12:22
apuimedo|lunchdevvesa: I take it you did not see the two ML emails I sent today :-)12:23
devvesaapuimedo: You are absolutely right :P12:23
apuimedo|lunchI even put up an agenda this time12:23
apuimedo|lunchI'm proud for once I did not forget :D12:23
devvesaWow, you are becoming manager-ish12:23
ivc_apuimedo: nice spec there. tho atm i'm thinking about generalising watcher concept to also watch for neutron resources (i.e. for ports/lbaas/members/etc; using polling for now but there might be some other options similar to how neutron notifies nova)12:26
apuimedo|lunchivc_: I wish Neutron would have watch endpoints :-)12:27
ivc_well it has it in rmq but just for itself :)12:27
apuimedo|lunchthe watcher as I put it, as you saw, is talking about K8s API, but I agree that it should be generalized12:27
apuimedo|lunchivc_: I'd rather cut my beard than to add rmq12:28
apuimedo|lunchto the kubernetes integration12:28
ivc_not that someone would allow us to use neutron's rmq :)12:28
apuimedo|lunchbut I'm not opposed to collaborating to a separate component that connects to rqm12:28
apuimedo|lunch*rmq and exposes a chunked REST API12:28
apuimedo|lunch;-)12:28
apuimedo|lunchok, now my son calls me for lunch12:29
apuimedo|lunchI'll be back12:29
ivc_there's a great concept of push notifications in neutron being worked on. while its just for neutron internals now, maybe we can suggest exposing it by neutron api server similar to k8s12:31
ivc_i'll talk to kevinbenton to see what he thinks about it12:33
ivc_and then we could probably bring that discussion to neutron's ml12:33
irenabapuimedo|lunch: ‘I’ll be back’ , playing the Terminator :-) ?12:35
devvesaivc_ what's the use case of pulling neutron resources?12:37
apuimedo|lunchirenab: glad you caught it12:37
apuimedo|lunch:-)12:37
apuimedo|lunchdevvesa: for port status, for example12:37
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apuimedothat was a quick lunch12:38
ivc_devvesa we need to poll neutron resources for port status and all the lbaasv2 stuff12:38
apuimedoI ate the pasta like there was no tomorrow12:38
ivc_because of how lbaasv2 works12:38
apuimedofor the pool to be created to create the listener, right ivc_ ?12:38
ivc_pretty much for every lbaas component :)12:39
devvesagotcha12:39
irenabapuimedo: ivc_ : not sure about user facing use case yu have in mind12:39
apuimedoirenab: sorry, I was thinking about lemon cheesecakes12:40
apuimedowhich user facing use case do you refer to?12:40
irenabfor status polling?12:40
apuimedonot user facing12:40
apuimedomore like12:40
apuimedolet's say you create a pool12:40
ivc_devvesa grep for time.sleep to see all the places we need to poll for lbaasv2 https://github.com/ivc/kuryr/blob/lbaasv2-poc/kuryr/raven/watchers.py12:41
apuimedothen you could just watch for it's status to have a translator create the lbaas listener12:41
irenabivc_: prefer async processing?12:41
apuimedoirenab: well, it would be nicer to only react to events and not have waits12:41
ivc_^12:42
irenabapuimedo: ivc_ actually, neutron notification could be used12:42
devvesaivc_ Could it make sense to do the polling in the translator itself?12:43
ivc_irenab: do you have a link for a spec?12:43
irenabapuimedo: got it, so its just for handling k8s events translation operations12:43
apuimedoirenab: please, elaborate12:43
devvesa(just giving new ideas, nothing against a Neutron watcher)12:43
apuimedoI'm not familiar with neutron notifications12:43
irenabivc_: its something already impelmented, let me find the devref12:43
apuimedodevvesa: doing the polling in the translator in one of the callables is an option while we don't have something better12:44
ivc_irenab do you mean push notifications? afaik its for neutron-internal use only12:44
irenabivc_: no, the notification that for exampkle nova or ceilometer consume12:45
ivc_irenab: i'm only aware of the one used by nova but haven't researched it yet12:45
ivc_but it's certainly something i'm planning to look into (hense my comment about *other options* :) )12:46
irenabivc_: for some reason it is not on the wiki: https://wiki.openstack.org/wiki/Neutron/APIv2-specification#Notifications12:48
irenabbut I know for sure it is there, since both nova vif driver and ceilometer use them12:48
ivc_irenab: thnx. will read12:48
devvesaapuimedo: I don't see any tradeoff in terms of performance if we do the polling on the translator... but I've just realised that a Neutron watcher can be an option12:50
devvesaso is a quick-and-not-too-much-reasoned option :)12:50
ivc_devvesa: it's not about performance but rather decoupling the components and it would also help reliability12:52
ivc_i hope it would become clearer once i can share my eventlet-based code :)12:54
ivc_atm its deep wip and missing lots of stuff and i'm also considering another approach with watcher/events but anyway if you want a sneak peek: https://github.com/ivc/kuryr-kubernetes/tree/py2-ev-poc12:56
ivc_devvesa btw thnx for service stub it helped alot :)12:57
ivc_also just fyi there's a k8s client lib: http://github.com/openstack/python-k8sclient/12:59
ivc_tho it is completely missing the watcher concept, but that does not mean we could not improve it :P13:00
ivc_*watcher -> ?watch=true13:00
apuimedoagreed13:00
irenabapuimedo: will be late to join the meeting today, probably by 20-25 mins13:02
apuimedoirenab: got it :-)13:02
ivc_also, what do you think if we bring https://github.com/ReactiveX/RxPY as dependency?13:02
apuimedo:-)13:04
apuimedoivc_: you start to sound like tfukushima13:04
apuimedo:-)13:04
apuimedohe did propose it also, IIRC13:05
apuimedoright devvesa ?13:05
apuimedoit looks like it could simplify the watcher work I described in the spec13:06
ivc_i've never looked at its python version but really liked it in java13:07
apuimedoivc_: that's exactly what tfukushima said :-)13:08
apuimedoI wonder if anybody packages it13:08
apuimedoand who maintains it13:08
irenabapuimedo: maybe ivc_ is new tfukushima nick :-)?13:08
ivc_xD13:09
apuimedoor just that great minds think alike13:09
apuimedo:P13:09
irenabexactly, more likely :-)13:09
apuimedoit doesn't seem too ative13:09
apuimedo*active13:09
apuimedobut enough13:10
ivc_anyway i'll just reinvent a very simple wheel for now. but it could be an option later13:11
apuimedoivc_: agreed on that13:12
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devvesaivc_: please don't be so fast on your eventlet code :)13:57
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devvesaI don't remember this RxPY stuff13:58
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devvesamaybe my mind remove it from memory13:59
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apuimedodevvesa: I think you were busy with tripleo14:00
apuimedo:D14:00
devvesaprobably14:03
apuimedodevvesa: meeting time14:03
pablochacino/14:07
apuimedopablochacin: on #openstack-meeting-4!14:08
pablochacin:)14:11
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openstackgerritLiping Mao proposed openstack/kuryr-libnetwork: [NOT MERGE] Test Jenkins  https://review.openstack.org/36568314:38
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vikascirenab, i added test cases :)14:48
vikaschttps://review.openstack.org/#/c/342624/14:48
irenabvikasc: will take a look14:49
vikasc  irenab thanks14:49
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