Monday, 2019-06-24

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stefanocuckGood monday everyone! We area trying to create a cluster in an environment behind proxy.We are on Rocky release, recently updated to commit (https://opendev.org/openstack/magnum/commit/5d3e0eacdaf08243b9068135c3bc86a380f5c0e4) due to a bug with the http/https_proxy variables which caused master-node and hence cluster creation, failure.During deploy08:02
stefanocuckment, the master-node is created but we are now facing the same issue during minions creation. As you can see in the above commit, http_proxy vars are unset just before CURLing and in the latest Stein release, these lines are removed together with a big part of the code in configure-kubernetes-minion.sh:https://opendev.org/openstack/magnum/commit/208:02
stefanocuck595fda3e37372df4061d78b52a85071e28ebfe1  Has anyone experienced the same or similar issue? If so, any way to overcome it (patch, upgrade to Stein, others)?Best,Stefano08:02
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jrosserstefanocuck: hello! that is my patch for proxies :)08:14
stefanocuckThanks for answering! Is there a reason why we unset those variables before curling even though we use them for the master-node creation?08:19
jrosserfor this section, the minion node needs to make a curl to the etcd which is deployed by magnum https://opendev.org/openstack/magnum/src/commit/5d3e0eacdaf08243b9068135c3bc86a380f5c0e4/magnum/drivers/common/templates/kubernetes/fragments/configure-kubernetes-minion.sh#L219-L23208:20
jrosserso that request has to stay entirely internal to the deployment and not get directed out to any kind of proxy08:21
jrosserwas this all working for you on Rocky?08:22
stefanocuckNot really! We are still in Rocky but I cannot make minion creation work. One more thing to mention is that discovery_url didn't really work and I had to manually paste the token value in the attribute to make the entire cluster creation start. On the other hand, when manually running the failed command with http_proxy from minions, it works just f08:26
stefanocuckine.08:26
jrosserthere are a few things to do, the proxy vars need to be filled out correctly in the cluster template08:30
jrosserand the magnum-conductor service needs to have suitable proxy environment variables set in the suystemd-unit (or however you run that), that service needs to also be able to reach the discovery_url08:31
jrosserand then also you should look at this https://review.opendev.org/#/c/660316/08:32
stefanocuckVariables are properly set but the latter I didn't check! :)  Ok great hints! I will look at it and let you know. Thanks a lot (y)08:33
jrosserstefanocuck: do your openstack services and your VM use the same proxy?08:35
stefanocuckNo and I that could also be the problem, I guess08:44
jrosserstefanocuck: ok you are in the same position as me - i need different proxies for the control plane and the VM08:48
stefanocuckGood to know I am not alone :D08:48
jrosserso it is totally necessary for you to apply this revert https://review.opendev.org/#/c/660316/08:48
jrosserbecasue that forces the service and vm proxies to be the same which is not desireable08:49
stefanocuckOk great! Thx08:50
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stefanocuckAnd this is supposed to work in Rocky too right?08:53
jrosserah right yes, patches have to be proposed to master and then backported to rocky08:54
stefanocuckok08:54
jrosserso you'll need to try to apply that to rocky - with luck that won't be too difficult08:55
jrosserstefanocuck: whilst i wait for my patch to be reviewed/merged/backported i have a totally gross hack like this https://github.com/bbc/magnum/commit/8f1ed4210cc9e61e1adf34d94e978f2e48e00c8708:56
stefanocuck(y)  top! Will check if we apply the hack but I guess we have to stick to the official code. Thanks a lot Jonathan!09:02
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openstackgerritTheodoros Tsioutsias proposed openstack/magnum master: [WIP] ng-8: APIs for nodegroup CRUD operations  https://review.opendev.org/64779213:20
openstackgerritTheodoros Tsioutsias proposed openstack/magnum master: [WIP] ng-6: Add new fields to nodegroup objects  https://review.opendev.org/66708813:20
openstackgerritTheodoros Tsioutsias proposed openstack/magnum master: [WIP] ng-7: Adapt parameter and output mappings  https://review.opendev.org/66708913:20
openstackgerritTheodoros Tsioutsias proposed openstack/magnum master: [WIP] ng-9: Driver for nodegroup operations  https://review.opendev.org/66709013:20
openstackgerritTheodoros Tsioutsias proposed openstack/python-magnumclient master: Add nodegroup CRUD commands  https://review.opendev.org/64779313:21
ttsioutsbrtknr: Hi! I refreshed all the pending changes regarding NGs ^13:23
ttsioutsbrtknr: With these you can add and delete nodegroups in an existing cluster13:24
ttsioutsbrtknr: Also resize is working13:24
ttsioutsbrtknr: They need some more work though13:25
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brtknrttsiouts: Welcome back!13:40
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brtknrttsiouts: I will take a look by tomorrow's meeting14:35
brtknrflwang: strigazi: is there a meeting tomorrow?14:36
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openstackgerritMohammed Naser proposed openstack/magnum master: k8s: refactor functions into KubernetesDriver  https://review.opendev.org/66666920:33
NobodyCamgood afternoon magnum folks, off the wall question, does Magnum support Cinder Volume multi-attach for persistent storage?20:39
NobodyCamI would like to mount the same persistent volume across all the minion nodes20:39
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openstackgerritFeilong Wang proposed openstack/magnum master: Make kubernetes apiserver start after network  https://review.opendev.org/65791522:20
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openstackgerritMerged openstack/magnum master: Revert "support http/https proxy for discovery url"  https://review.opendev.org/66031623:09
openstackgerritMerged openstack/magnum master: Make kubernetes apiserver start after network  https://review.opendev.org/65791523:09
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