Tuesday, 2021-05-18

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yasufumHi tacker team08:00
uehaHi08:01
masaki-uenoHello08:01
manpreethi08:01
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yasufum#startmeeting tacker08:02
openstackMeeting started Tue May 18 08:02:08 2021 UTC and is due to finish in 60 minutes.  The chair is yasufum. Information about MeetBot at http://wiki.debian.org/MeetBot.08:02
openstackUseful Commands: #action #agreed #help #info #idea #link #topic #startvote.08:02
*** openstack changes topic to " (Meeting topic: tacker)"08:02
openstackThe meeting name has been set to 'tacker'08:02
yasufumWe have one topic suggested by ueha today.08:03
yasufumlink: https://etherpad.opendev.org/p/tacker-meeting08:03
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yasufumueha: can you share the topic?08:03
uehaSure, I wrote to etherpad08:04
uehajust information sharing and question.08:04
uehadevstack will change default network backend driver from ML2/OVS to ML2/OVN.08:04
uehaOnce the patch [1] was merged, and that seemed to cause the Zuul FT error during May 13-14.08:04
ueha[1] "Change Neutron's default ML2 driver to OVN": https://review.opendev.org/c/openstack/devstack/+/73509708:05
uehaBut the patch was reverted at May 14 PM, so the Zuul FT error is not occurring now.08:05
uehaHowever, the similar patch [3] is posted to devstack.08:06
ueha[3] "Change default network backend driver to ML2/OVN": https://review.opendev.org/c/openstack/devstack/+/79143608:06
uehaIf the patch is merged, I think same Zuul FT error will occur.08:06
uehaThat's information sharing. Do you have any comments so far?08:07
yasufumI’m not sure the detail of the discussion and temporary(?) errors in zuul, but the change is going to be merged?08:11
uehaProbably I think patch [3] will be merged.08:12
yasufumI am also not sure [3] causes similar error on our zuul test, and your DNM patch is for fixing it?08:14
uehaYes, I posted patch for tying to fix it.08:15
yasufumthanks08:18
uehaI have confirmed that there is no problem that the controller or compute is not built, but some FT function is failed..08:18
uehaSo, after patch [3] is merged, I need to check a little more.08:18
ueha(If there is a problem after merging...)08:20
yasufumbtw, your fix is just for zuul. Is there any problem happened other than zuul test, I mean using tacker by your self or so?08:21
yasufumDo we need to change the config in devstack possibly?08:21
uehaYes,, I think change or add some parameter in local.conf.08:22
yasufumI would like to confirm just a bit more about your change.08:23
yasufumYour change is just move back to use ovs instead of ovn, right?08:23
uehayes, just move back to ovs.08:24
yasufumIf so, I think we should catch up to move to use ovn later maybe.08:25
uehaYes, I think so.08:25
yasufumbecause shift to ovn itself is a huge advance for users and openstack itself.08:25
yasufumOK08:26
uehaThat is my question point wrote to etherpad.08:26
takahashi-tsc+1, using ovn is better.08:26
uehaIs there any probrems if Tacker change network backend driver to ML2/OVN?08:26
uehaI find the following comment on configure of neutron service in ".zuul.yaml"08:27
ueha# We need to keep using the neutron-legacy based services for now until all issues with the new lib/neutron code are solved08:27
uehahttps://opendev.org/openstack/tacker/src/branch/master/.zuul.yaml#L154-L15608:27
uehaAccording to the above comment, Tacker can't change to ML2/OVN?08:27
yasufumFor now, we have to keep zuul test run well first. So, patch from ueha is very welcom for us. Thanks.08:27
takahashi-tscThanks!08:28
uehasure!08:29
uehaDoes anyone know about neutron service's comment?08:30
takahashi-tscNo... I don't know about it.08:31
uehaOkay.. If no one knows, I will try to change network backend driver to ML2/OVN first after the devstack patch [3] is merged.08:31
yasufumthanks08:32
takahashi-tscthanks!08:33
uehaIf there is no other comment, that's it from me. Thanks!08:33
yasufumAnother topic is added on etherpad08:34
yasufumCan we go to the next topic?08:34
yasufummasaki-ueno: can you start it?08:35
masaki-uenoI'm ready, may I share the next topic?08:36
yasufumsure, pls go ahead.08:36
masaki-uenoOK, I wrote the topic on the etherpad.08:36
masaki-uenoThis topic is related on the Xena spec "Support Helm chart for Kubernetes VIM" [1].08:37
masaki-ueno[1] https://review.opendev.org/c/openstack/tacker-specs/+/78658108:38
masaki-uenoIn this spec, we show the procedure of CNF instantiation with Helm chart.08:38
masaki-uenoIn the procedure, mgmtdriver executes `helm repo index` and `helm repo add` commands to register helm packages to master nodes.08:39
masaki-ueno`helm repo index` -> https://review.opendev.org/c/openstack/tacker-specs/+/786581/1/specs/xena/helmchart-k8s-vim.rst#56608:40
masaki-ueno`helm repo add` -> https://review.opendev.org/c/openstack/tacker-specs/+/786581/1/specs/xena/helmchart-k8s-vim.rst#57908:40
masaki-uenoHowever, those commands are generally required when operators expose helm packages to public helm repositories, or pull helm packages from certain Helm repositories.08:41
masaki-uenoSo those commands may be redundant in CNF instantiation with locally managed helm charts.08:42
masaki-uenoHelm charts are .yaml files, so `scp` (or other similar transmission command) satisfies the requirement in the procedure.08:43
masaki-uenoSo, I'd like to discuss use cases, which requires registration of helm packages in CNF instantiation procedure.08:44
masaki-uenoIs there any situation such as `scp` is not applicable in certain environments? I have no idea....08:44
masaki-uenoOpps, Kubernetes InfraDriver executes helm commands, not mgmtdriver. Sorry for my mistake.08:46
yasufumOK, but I am not sure at the moment actually.08:47
yasufumBasically, it seems you are right and agree with your suggestion.08:47
yasufumWhat do you think?08:48
yasufum“agree with your suggestion” <- agree to omit, correctly08:49
masaki-uenoThanks. I think those steps are redundant, so we should omit those steps for now.08:50
masaki-uenoIs there any questions or comments?08:51
yasufumseems nothing08:52
yasufumOK. Please give a comment on gerrit if you have later, everyone.08:52
yasufummasaki-ueno: thanks for sharing.08:53
masaki-uenoThank you. That's all from my side.08:53
yasufumthanks08:54
takahashi-tscThanks, need some consideration... Anyway, if I have comment, I'll write it in erhetpad08:54
yasufumIs there any other topics?08:54
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yasufumgood08:55
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yasufumI would like to close this meeting, thank you for joining.08:56
yasufumbye08:56
masaki-uenoty bye08:56
uehaThank you, bye08:56
takahashi-tscthank you, bye08:56
yasufum#endmeeting08:56
*** openstack changes topic to "OpenStack Meetings || https://wiki.openstack.org/wiki/Meetings/"08:56
openstackMeeting ended Tue May 18 08:56:51 2021 UTC.  Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4)08:56
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openstackMinutes (text): http://eavesdrop.openstack.org/meetings/tacker/2021/tacker.2021-05-18-08.02.txt08:56
openstackLog:            http://eavesdrop.openstack.org/meetings/tacker/2021/tacker.2021-05-18-08.02.log.html08:56
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