Thursday, 2018-05-17

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openstackgerritMerged openstack/neutron-lbaas master: remove unused plugin.get_plugin_name()  https://review.openstack.org/55766500:43
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Eugene_Can anyone explain, why subnet_id is mandatory on pool's member creation?01:03
johnsomYes, members can have overlapping IP space or be reachable via a route (not a member) on that subnet01:04
Eugene_some SDNs like contrail aren't interesting in subnet_id, not saving it with the member and then, don't return it when queried01:04
Eugene_that in turn is causing problems for automation solutions01:04
Eugene_johnsom: so, how subnet_id helps for that case?01:05
Eugene_*aren't interested01:05
johnsomIn the contrail case?  I'm not sure I follow what is going on with contrail01:05
Eugene_i mean if you need member which is not on the subnet of the vip, how having subnet_id is helping?01:06
johnsomOr are you asking how subnet IDs solve my examples?01:06
Eugene_basically i'm trying to understand, if we can make it not mandatory01:06
johnsomOh, members are almost always not on the vip subnet.  We hot plug the member subnets into the network namespace as the members are added01:07
Eugene_don't you need cidr, rather than the subnet_id?01:08
johnsomNo, we need to know what neutron subnet they are a member of so we can plug a port for that subnet.01:09
Eugene_i see01:09
johnsomI think you are assuming a one-armed load balancer where there is only one network port. That is not how most load balancers are deployed.  Typically the vip is on a routable subnet or a frontend network with a floating IP mapped. The members then are on one or more tenant networks. each of which may have one or more subnets01:10
johnsomrm_work cross your fingers, I'm about to launch tempest with the plugins01:11
rm_worklol01:11
rm_workerrr01:12
rm_workjohnsom / Eugene_: subnet_id is *not* mandatory on pool members01:12
rm_workso i'm not sure what this discussion is anyway?01:12
rm_workhttps://github.com/openstack/octavia/blob/master/octavia/api/v2/types/member.py#L7801:12
rm_work^^ not mandatory01:12
johnsomHa, you are right.  I thought it was for some reason. I know we went back and forth on that01:13
rm_workI make members without subnet_id 100% of the time, lol01:13
Eugene_that's octavia. i was referring to neutron lbaas api v201:13
rm_workah01:13
rm_workEugene_: bug01:13
johnsomOh01:13
rm_workI was going to try to fix it01:13
johnsomdeprecated01:13
rm_workand then I remembered I don't care and neutron-lbaas needs to die in a fire01:13
Eugene_hmm01:13
Eugene_how do you guys integrate with solutions like AVI then?01:13
Eugene_(i've lost a track of lbaas for a couple of years :) )01:14
johnsomAVI doesn't integrate with neutron-lbaas, they just replace it all01:14
rm_workactually i think I did try once, but there was pushback because it's technically an API change01:14
rm_workand I didn't care *enough*01:14
rm_work(I am one of the main people here who doesn't use subnet_id on that stuff, so I remember fighting it for a while)01:14
Eugene_johnsom: i see.01:15
Eugene_rm_work: thanks for the info01:15
rm_workIf you want to propose a patch to make it non-mandatory ... I am fine with that01:15
rm_workit's just convincing people it's ok to make the change01:15
rm_workyou're welcome to patch it internally for sure, i see no reason it wouldn't work fine01:15
Eugene_rm_work: yeah, on the api it's a couple of lines. plus the client...01:15
Eugene_plus god knows what else :)01:16
rm_workas you assumed, there is no GOOD reason why it's mandatory01:16
johnsomYeah, all of which is in deprecated status, so not easy to convince people it's a bug vs. feature change01:16
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rm_worki'd +2 it01:16
Eugene_so... are you saying going forward it will be octavia only?01:17
rm_workbut i'd also +2 a can of gas and a lit match01:17
johnsomYes01:17
rm_workyes01:17
johnsomhttps://wiki.openstack.org/wiki/Neutron/LBaaS/Deprecation01:17
Eugene_interesting. i wonder how 3rd party vendors are going to adopt01:17
johnsomneutron client went deprecated a long time ago, neutron-lbaas did in queens01:17
Eugene_if it's gonna be deprecated, i'd probably go with downstream changes - less hassle01:18
johnsomWell some of them contributed to the specification for the new driver interface01:18
Eugene_i see01:18
Eugene_well, thank you guys for the quick response, you helped me a lot01:19
johnsomSure, NP01:19
rm_workyeah, i'd probably recommend downstream in this ONE case, lol01:19
Eugene_yeah01:19
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johnsomrm_work I'm getting failures01:27
johnsomhttps://www.irccloud.com/pastebin/2Ar8r881/01:28
rm_workhmmmmmmmm01:32
rm_workis your stuff broken? :P01:32
rm_workthat seems like a problem with your octavia...01:32
johnsomhmm, five amp vms.  Maybe the parallelism is too high01:32
rm_worklocally i'd run in -t01:32
rm_workif you're doing non-noop01:32
rm_workbecause yeah <_<01:32
johnsomYeah, I need to run it live01:33
johnsomYeah, qemu is out to lunch, empty console logs01:36
johnsomI LOVE how nova is "ACTIVE" when there is not a single record in the qemu console.log01:37
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johnsomOh!02:03
johnsomI think I know what it is....02:03
johnsomIt is that qemu issue with nova machine type mis-match.  Sigh02:05
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johnsomrestacking so I can run my fixnova script02:05
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johnsomyep, that was the issue02:17
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johnsomhttps://www.irccloud.com/pastebin/jEiqJevR/02:59
johnsomCommented on the patches with traceback03:03
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xuhaiweiHi rm_work, I am still strugglling with installing ocata octavia, I got another error: Could not sign the certificate request: Failed to load CA Certificate /e tc/ssl/certs/ssl-cert-snakeoil.pem04:17
xuhaiweiDo I need to create this pem file before start the service?04:17
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johnsomxuhaiwei Hi.  I think your certificate configuration is wrong.  Maybe looking at how we do it in devstack will help: https://github.com/openstack/octavia/blob/master/devstack/plugin.sh#L29605:48
johnsomAre you using OSA?05:48
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AlexStafjohnsom, https://storyboard.openstack.org/#!/story/2002055 FYI - the test fails for us due to that reason ( and not only that more are coming :) )09:19
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AlexStafhttps://storyboard.openstack.org/#!/story/200205709:38
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openstackgerritZhaoBo proposed openstack/octavia master: UDP jinja template  https://review.openstack.org/52542012:20
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rm_workah, maybe forgot to mention i'm off today. just an FYI15:53
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johnsomo/16:04
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