Tuesday, 2018-05-29

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openstackgerritClare cheng proposed openstack/openstack-helm master: update version to latest  https://review.openstack.org/57083002:07
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tdocHi, I'm trying to deploy a multinode setup on top of our own k8s, but run into some issue with the rabbitmq charts. The pod fails to start and when looking at the container log, it seems the rabbitmq-server is failing to do a reverse DNS lookup on its hostname.06:20
tdocWhat I've noticed is that it works fine if I remove the readiness/livelyness probes from the statefulset.06:21
tdocThis suggests some kind of chicken-egg problem. It looks like kubernetes is not adding the DNS record while the pod is not ready, but the pod can't start because it needs this DNS record.06:22
tdocHas anyone seen something like that?06:22
portdirecttdoc: this should work via the 'discovery' service06:23
portdirectAre you disabling pod name resolution in the DNS service?06:24
tdocNo, I don't think we do... At least other DNS records do work fine...06:25
tdocIntially the pod complains that it can't lookup rabbitmq-rabbitmq-0.rabbitmq-dsv-7b1733.openstack.svc.cluster.local06:26
portdirectHmm06:26
portdirectThis should be ok: http://logs.openstack.org/28/569328/3/check/openstack-helm-multinode-ubuntu/6e2722b/primary/helm/rabbitmq.txt.gz06:26
portdirecthttp://logs.openstack.org/28/569328/3/check/openstack-helm-multinode-ubuntu/6e2722b/primary/pod-logs/openstack/rabbitmq-rabbitmq-0/rabbitmq.txt.gz06:27
tdocYeah, it's strange. It suggests that somehow our kubernetes works differently with regards to DNS, but I'm not sure how to track that down.06:29
portdirectWhat are you using?06:30
portdirectIe k8s version and dns implementation06:30
tdock8s is v1.10.206:31
portdirectAll our upstream gates use 1.10.x and kube-dns, though coredns should be ok06:31
tdocWe use coredns.06:32
tdocSo maybe there is a subtle difference there?06:33
portdirectPoss try adding a toleration for unready endpoints here: https://github.com/openstack/openstack-helm/blob/master/rabbitmq/templates/service-discovery.yaml06:33
portdirectBut it shouldnt be required :/06:33
portdirectPoss some lag in your env for dns to come up06:34
tdocCould be I guess, I'll look into that toleration. And maybe see if we could test with kube-dns. Not really familiar with how to change that, but I can find out.06:36
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tdochmm, I tried adding publishNotReadyAddresses: true to service-discovery.yaml, but I don't even see it in the definition once I deploy it. Not sure what I'm doing wrong here.07:05
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openstackgerritTin Lam proposed openstack/openstack-helm master: Implement nginx sidecar  https://review.openstack.org/55538607:34
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tdoc@portdirect: I tried with kube-dns just now, and with publishNotReadyAddresses enabled on the service. But still the same problem.09:15
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tdochmm, publishNotReadyAddresses is broken, apparently, with service.alpha.kubernetes.io/tolerate-unready-endpoints it works10:00
tdocStill doesn't explain why I need to add that though.10:03
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gouthamHi all im landing into this issue https://hastebin.com/nakiqucufu.sql while deploying promenade anyone has idea on this issue ??10:45
gouthamthis is because of the ceph directory division into 3 sub directories any idea on how to fix this ??10:50
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openstackgerritMerged openstack/openstack-helm-addons master: Basic addons gate  https://review.openstack.org/56899113:38
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mattmceuenGM all - team meeting in 8min, please add anything you'd like to discuss to here: https://etherpad.openstack.org/p/openstack-helm-meeting-2018-05-2914:52
mattmceuen@gautham, can you try sharing that error in the #airshipit chat room?14:53
mattmceuenOh looks like you did already14:53
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tdoci'm having some DNS related issues with rabbitmq, is that something for the meeting or not? (new here)14:54
mattmceuenhey tdoc - we can bring it up in Roundtable in the meeting for sure.  It's a good general chat item but we also have a light agenda today :)14:55
mattmceuenI see you brought it up already, that is good.  portdirect is on vacation and I just got IRCCloud working again after the long weekend, so we're a bit behind on IRC14:56
tdocok, will raise it then14:56
tdocsure, no problem..14:58
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tdocas mentioned above, I need to add service.alpha.kubernetes.io/tolerate-unready-endpoints to make it work14:58
tdocso at this point, I'm not sure if I should file a bug or not, since the problem doesn't seem to be happing in the gating system14:59
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mattmceuenI'd say go ahead and file a bug to track it - if it ends up not being a problem at least we can get a paper trail on it15:00
mattmceuenIn case someone runs into the same issue in the future15:00
tdocok, makes sense.15:00
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mattmceuenMeeting time15:00
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openstackgerritTin Lam proposed openstack/openstack-helm-infra master: Ingress TLS for keystone  https://review.openstack.org/56813215:34
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tdocI'll see if I can open an issue in launchpad for that DNS thing in the morning. (Day is about to end over here.)16:01
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openstackgerritChris Wedgwood proposed openstack/openstack-helm-addons master: artifactory: Update to 5.11.1  https://review.openstack.org/57052617:22
openstackgerritChris Wedgwood proposed openstack/openstack-helm-addons master: artifactory: Update to 5.11.1  https://review.openstack.org/57052617:25
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openstackgerritPete Birley proposed openstack/openstack-helm-addons master: Fix minor chart issues due to osh changes  https://review.openstack.org/56767217:37
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openstackgerritTin Lam proposed openstack/openstack-helm-infra master: Ingress TLS for keystone  https://review.openstack.org/56813220:23
openstackgerritTin Lam proposed openstack/openstack-helm master: Ingress TLS for keystone  https://review.openstack.org/56635020:28
openstackgerritRenis Makadia proposed openstack/openstack-helm master: WIP Test/Fix Ceph deployment with diff namespace name  https://review.openstack.org/56888821:44
rwellummattmceuen: added quite a bit of debugging info to: https://etherpad.openstack.org/p/openstack-helm-troubleshooting FYI21:54
openstackgerritTin Lam proposed openstack/openstack-helm master: Add PURE backend config to cinder and nova charts  https://review.openstack.org/56916522:25
mattmceuenthanks rwellum, that's good stuff - if we throw some markup at it that's a lot of the doc right there!23:06
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