Friday, 2019-09-06

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mlavalle#startmeeting neutron_drivers14:00
openstackMeeting started Fri Sep  6 14:00:18 2019 UTC and is due to finish in 60 minutes.  The chair is mlavalle. Information about MeetBot at http://wiki.debian.org/MeetBot.14:00
openstackUseful Commands: #action #agreed #help #info #idea #link #topic #startvote.14:00
*** openstack changes topic to " (Meeting topic: neutron_drivers)"14:00
openstackThe meeting name has been set to 'neutron_drivers'14:00
njohnstono/14:00
yamamotohi14:00
davidshao/14:00
slaweqhi14:00
ralonsohhi14:00
mlavallenice to see you back yamamoto :-)14:01
yamamotoexhausted by holidays14:02
mlavallelet's wait a couple of minutes14:03
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mlavalleok, let's get going14:05
mlavalle#topic RFEs14:05
*** openstack changes topic to "RFEs (Meeting topic: neutron_drivers)"14:05
amotokihi14:05
haleybhi14:05
mlavallelast time we met, this RFE was discussed: https://bugs.launchpad.net/neutron/+bug/183784714:06
openstackLaunchpad bug 1837847 in neutron "[RFE] neutron-vpnaas OpenVPN driver" [Wishlist,Triaged]14:06
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mlavalleyamamoto asked a question, submitter responded and asked questions14:06
mlavalleI made a suggestion last night14:06
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mlavalleso let's see how much progress we can make with it this morning14:07
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njohnstonI also thought about an L2 agent extension for this14:08
slaweqnjohnston: L2 or L3 agent extension?14:09
slaweqI think it's more for L3 agent, no?14:09
njohnstonI think the part that I'd like more information on is the method by which OpenVPN communicates to the agent; submitter described it as "OpenVPN calls my learn-address hook" and I just want to get more details on that path14:10
njohnstonslaweq: It might well be operating at both L2 and L3 levels, but fundamentally port provisioning/deprovisioning would be an L2 function, yes?14:11
njohnston(looking at comment #6)14:11
slaweqnjohnston: provisioning yes, but creating necessary resources for vpnaas - I'm not sure - but that is just implementation detail IMO :)14:14
mlavallesubmitter offered to join the meeting after his vacation, so I was hoping he would join today14:14
amotokiI wonder how L2 VPN connection is modeled in the API. The submitter seems to think no change in API but I'm not sure. it looks like yamamoto has a same question but it is still unclear.14:14
slaweqI wonder how such ports will be cleaned as last part of comment #6 says IMO that there might be some problem with it14:15
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yamamotoi'm still not sure about the api. 1. the use of router for l2 vpn looks a bit awkward 2. to which network it's connected when the router has more than one router ports?14:17
amotokione idea is to request the submitter to write a spec to explain more detail on this. Some drawings and detail explanation might help us understand and clarify the proposal.14:18
mlavallethat's a pretty good suggestion amotoki14:19
amotokiwe have many questions and launchpad comments limits our clear understanding...14:20
slaweqamotoki: +114:20
mlavallehere's what I propose to make sure submitter can address all our questions:14:20
mlavalle1) each one of you who have questions, please add a comment with you question(s) to the RFE14:21
mlavalle2) After your questions, I'll add another comment suggesting a spec with diagrams stating that your questions should be answered in that spec14:22
mlavalledoes that work?14:22
amotoki+114:22
njohnston+114:22
slaweq+114:22
haleyb+114:22
yamamoto+114:23
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mlavalleok, that's the plan forward.... I'll give you 5 minutes to leave your comments14:23
slaweqI'm done :)14:25
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mlavalleok cool14:29
mlavallenext one is https://bugs.launchpad.net/neutron/+bug/184013614:29
openstackLaunchpad bug 1840136 in neutron "[RFE] Add new config option to enable IGMP snooping in ovs" [Wishlist,New] - Assigned to Slawek Kaplonski (slaweq)14:29
slaweqthat is something easy and small in implementation14:31
slaweqand it would be used by both ovs agent and networking-ovn14:32
mlavallewould you implement it?14:32
slaweqin ml2/ovs yes14:33
mlavallecool14:33
amotokia new config option is proposed. Is there any difference from tenant user POV between when igmp enabled and disabled cases?14:33
slaweqin networking-ovn - I don't know exactly14:33
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slaweqamotoki: in case of ml2/ovs processing of igmp packets is on vswitchd always AFAICT, so if there would be any limitations with processing those packets it will be on ovs-vswitchd14:35
slaweqin case of networking-ovn it is a bit different underneath14:35
slaweqas ovn has got also something called querier which should be also enabled14:35
slaweqand igmp packets are then always processes by ovn-controller14:36
slaweqso in case of flood not all igmp packets may reach ports14:37
slaweqand that's why we don't want to enable it always but add config option for that14:37
amotokiI just wonder there is visible difference from tenant user point of view. tenant users are not aware of the config option, so we need to provide same behavior for users regardless of the option value.14:39
slaweqamotoki: tbh the only visible difference for users may be that if this will be enabled, vms not subscribed to some multicast group will not get this multicast traffic14:42
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amotokislaweq: if so, that's fine as this is the normal behavior of multicast traffic.14:43
mlavalleI'm ok moving ahead with this RFE14:44
ralonsoh+114:45
amotokii'm okay too14:45
yamamotome too14:46
haleyb+1, would be good to tag an ovn resource too14:46
njohnston+114:46
slaweqhaleyb: You mean add ovn tag to the launchpad?14:47
mlavalleok, approved it is14:48
haleybslaweq: well, just to get it implemented in both ml2/ovs and ovn14:48
slaweqhaleyb: yes, dalvarez is also aware of it :)14:48
haleyback14:48
slaweqbut I will add such tag to it14:48
slaweqthx all for approving this14:48
mlavalleThose are all the RFEs for today14:49
mlavalleThanks for attending14:49
mlavallehave a great weekend!14:49
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slaweqthx14:49
ralonsohbye14:49
amotokithanks14:49
slaweqhave a great weekend :)14:49
haleybbye14:49
mlavalle#endmeeting14:49
*** openstack changes topic to "OpenStack Meetings || https://wiki.openstack.org/wiki/Meetings/"14:49
yamamotothank you14:49
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slaweqo/14:49
openstackMeeting ended Fri Sep  6 14:49:50 2019 UTC.  Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4)14:49
openstackMinutes:        http://eavesdrop.openstack.org/meetings/neutron_drivers/2019/neutron_drivers.2019-09-06-14.00.html14:49
openstackMinutes (text): http://eavesdrop.openstack.org/meetings/neutron_drivers/2019/neutron_drivers.2019-09-06-14.00.txt14:49
openstackLog:            http://eavesdrop.openstack.org/meetings/neutron_drivers/2019/neutron_drivers.2019-09-06-14.00.log.html14:49
davidshaThanks14:49
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