Friday, 2018-11-09

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slaweq#startmeeting neutron_drivers14:01
openstackMeeting started Fri Nov  9 14:01:01 2018 UTC and is due to finish in 60 minutes.  The chair is slaweq. Information about MeetBot at http://wiki.debian.org/MeetBot.14:01
openstackUseful Commands: #action #agreed #help #info #idea #link #topic #startvote.14:01
*** openstack changes topic to " (Meeting topic: neutron_drivers)"14:01
openstackThe meeting name has been set to 'neutron_drivers'14:01
yamamotohi14:01
slaweqhi14:01
ralonsohhi14:01
slaweqmlavalle is not available today, so I will chair this meeting14:01
slaweqI have "orders" from him so should be good ;)14:01
ChenjieHi guys, if possible I want to discuss the RFE https://bugs.launchpad.net/neutron/+bug/179365314:02
openstackLaunchpad bug 1793653 in neutron "[RFE] Enable other subprojects to extend l2pop fdb information" [Wishlist,In progress] - Assigned to ChenjieXu (midone)14:02
slaweqlets wait for amotoki and haleyb14:02
haleybhi14:02
slaweqChenjie: it's on the list for today14:02
slaweqhi haleyb14:02
Chenjieslaweq: thanks!14:02
slaweqok, I think we have quorum now so we can start14:03
slaweq#topic RFEs14:03
*** openstack changes topic to "RFEs (Meeting topic: neutron_drivers)"14:03
slaweqI have 3 RFEs for today14:03
slaweqfirst is:14:04
slaweqhttps://bugs.launchpad.net/neutron/+bug/179692514:04
openstackLaunchpad bug 1796925 in neutron "[RFE] port forwarding floating IP QoS" [Wishlist,New] - Assigned to LIU Yulong (dragon889)14:04
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slaweqI think that reported of this RFE is not here today14:05
slaweqIIUC comment #2 in this RFE he wants to apply bandwidth limit to all port forwardings attached to FIP, yes?14:07
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yamamotothat's my understanding14:11
slaweqyes, we can already attach QoS policy to Floating IP, so that would be IMO only change on backend's side to apply such QoS to port forwarding also14:12
slaweqand if that is true, I'm ok with that change14:13
slaweqwhat do You think?14:13
yamamotoapi-wise it's intended to use the existing qos_policy_id field?14:15
slaweqthat's my assumption as we already have qos_policy_id in FIP14:15
slaweqdo You think we should ask about clarification on that?14:16
yamamotoso right now qos_policy_id is not expected to affect port-forwarding traffic?14:17
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slaweqyes, I think so14:18
slaweqbut I'm not 100% sure14:19
yamamotoso, this rfe is about changing the behaviour of the combination of qos-fip + port forwarding?14:20
slaweqthat is only my assumption :)14:21
yamamotoi guess we should ask some clarification :)14:21
slaweqI think I will ask about that in RFE and we can back to it next week14:22
slaweqwhat do You think?14:22
yamamoto+1 except that i guess we will skip next week14:22
slaweqyep, so we will back to it on next meeting14:23
yamamoto+114:23
slaweqok, I will post questions after this meeting14:24
slaweqlets go to the next one14:24
slaweqhttps://bugs.launchpad.net/neutron/+bug/179365314:24
openstackLaunchpad bug 1793653 in neutron "[RFE] Enable other subprojects to extend l2pop fdb information" [Wishlist,In progress] - Assigned to ChenjieXu (midone)14:24
slaweqChenjie: the floor is Yours :)14:24
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Chenjiethanks!14:25
ChenjieMiguel asked about performance issues. I sent an email to WR to ask for performance issues but didn't got reply.14:26
ChenjieMiguel said that he has sent an email to Thomas to ask his opinion on this RFE. I don't know whether Thomas reply or not.14:27
yamamotoWR?14:27
ChenjieWindRiver14:27
slaweqno, tmorin didn't reply anything14:27
ChenjieThis RFE is a patch from StarlingX.14:27
ChenjieStarlingX comes from WindRiver.14:28
yamamotoi'm still not sure how it can work.  how do you distinguish agent ip for tunnels and your gateway ip?14:28
ChenjieI think there is no need to distinguish agent_ip for tunnels and gateway ip.14:29
yamamotowhy not?14:30
ChenjieFor neutron network agent_ip is used. For bgp_vpn network gateway ip is used.14:30
slaweqam I understand correctly that You want to have something which will allow subprojects to "plug into" l2pop logic and add own IP:mac pairs which neutron will send to agents?14:31
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Chenjieslaweq: yes!14:32
yamamotonow i'm confused. maybe because i don't understand bgpvpn.14:32
yamamotomaybe some examples of l2pop rpc payloads with this extension would help14:33
slaweqok, so in fact it's not on neutron's side to distinguish IPs, if some project will add SOME IP:MAC pair, neutron will just add fdb entries for it, right?14:33
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Chenjieyamamoto: yes, I think so. I will add some examples to the RFE later.14:34
yamamotothank you14:34
Chenjieslaweq: yes!14:34
Chenjieyamamoto: you are welcome!14:34
slaweqChenjie: ok, thx. I think that now I understand it more or less :)14:35
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yamamotoi have another concern. implications for non agent implementations. like odl14:35
slaweqChenjie: please add those examples to RFE to make it all 100% clear14:35
slaweqyamamoto: are they using l2pop mechanism driver?14:35
Chenjieslaweq: Ok, I will do that.14:35
yamamotoslaweq: i don't think so14:36
yamamotoif bgpvpn chose to propagate this info via l2pop, it won't be available to non-agent implementations14:36
yamamotoisn't it a problem?14:37
Chenjieyamamoto: it should not be problem.14:37
Chenjieyamamoto: this RFE just wants to avoid broadcast. In non-agent implementations, they will just broadcast.14:38
Chenjieyamamoto: this RFE can avoid the broadcast when the vm in the neutron network send packet to other networks.14:39
slaweqyamamoto: here I agree with Chenjie - this is feature for l2pop, if e.g. odl wants to have something similar, they need to implement it on their own14:40
yamamotoand make bgpvpn provide the same info in two different ways?14:41
slaweqhmm, that is good point14:42
slaweqhow odl is today dealing with fdb entries for neutron ports? Do You know?14:43
slaweqin other words, what they are using instead of l2pop mechanism14:43
yamamotoi don't argue they should implement it for odl. but it might be better to have some abstraction.14:43
yamamotoi don't know14:43
slaweqyes, I know, odl is only an example here :)14:44
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yamamotoi'll ping some odl folk to look at the rfe later14:45
Chenjieyamamoto: thanks!14:45
slaweqyamamoto: ok, so let's wait for their feedback on it14:45
slaweqand for Chenjie's examples too :)14:45
Chenjieyamamoto: for now l2pop uses: ports:{agent_ip_1: [(mac_1, ip_1),(mac_2, ip_2)], agent_ip_2: [(mac_3, ip_3),(mac_4, ip_4)]}14:45
slaweqand we will get back to this one also on next meeting, ok?14:46
Chenjieyamamoto: other subprojects just need to add fdb in this format14:46
Chenjieslaweq: Ok, thanks!14:46
slaweqyamamoto: fine for You?14:47
yamamotoChenjie: i vaguely remember that there was some surrounding structure. "vxlan" or something.14:48
Chenjieyamamoto: yes14:48
Chenjieyamamoto: I will post the correct format in the RFE.14:48
yamamotoChenjie: thank you14:49
yamamotoslaweq: yes14:49
slaweqok14:49
slaweqlets go to the last one then14:49
slaweqhttps://bugs.launchpad.net/neutron/+bug/178459014:49
openstackLaunchpad bug 1784590 in neutron "neutron-dynamic-routing bgp agent should have options for MP-BGP" [Wishlist,In progress] - Assigned to Ryan Tidwell (ryan-tidwell)14:49
slaweqIIUC this RFE, it's about adding possibility to annonce IPv6 prefixes to IPv4 peers14:51
yamamotoit seems fine in general.  i wonder how we can/should expose different capabilities of different backends though.14:51
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slaweqyamamoto: You mean by API for example? or what exactly?14:54
yamamotofor api users.14:54
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slaweqthat's good question14:55
slaweqis it done for any other capabilities currently? Do You know?14:55
tidwellrit's not14:55
yamamotoand the proposed patch seems to "just" change the behaviour. i wonder if it can be a compat problem.14:56
tidwellryamamoto: in its current state, you can applying the peering relationship via the API, but it fails silently14:56
slaweqcan we maybe add shim api extension which will expose if this feature is available or not?14:57
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slaweqtidwellr: in current API it is possible, so there will be no API change here, right?14:57
tidwellrslaweq: right the user that encountered the bug assumed this should work because the API allows you to map peers to a BGP speaker of ip_version=414:58
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njohnstonwow, the DST change is really screwing me up14:59
slaweqok, so IMO this if fine to go like it is now14:59
slaweqyamamoto: haleyb: what do You think?14:59
haleybi try not to think :)14:59
slaweqsorry14:59
yamamotoit's ok for me as far as the behaviour change is stated loudly in doc15:00
tidwellrI agree that some sort of discoverability is needed here though15:00
slaweqwe are out of time now15:00
haleybseriously, the bug and change look ok, short of a release note.  but think the discovery would be a good thing as tidwellr states15:01
yamamotonjohnston: i always feel lucky to live in a country without dst15:01
slaweqI agree haleyb but maybe this discovery of features may be another rfe? of should it be included in this one?15:01
slaweqok, we need to finish15:02
slaweq#endmeeting15:02
*** openstack changes topic to "OpenStack Meetings || https://wiki.openstack.org/wiki/Meetings/"15:02
openstackMeeting ended Fri Nov  9 15:02:16 2018 UTC.  Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4)15:02
openstackMinutes:        http://eavesdrop.openstack.org/meetings/neutron_drivers/2018/neutron_drivers.2018-11-09-14.01.html15:02
openstackMinutes (text): http://eavesdrop.openstack.org/meetings/neutron_drivers/2018/neutron_drivers.2018-11-09-14.01.txt15:02
openstackLog:            http://eavesdrop.openstack.org/meetings/neutron_drivers/2018/neutron_drivers.2018-11-09-14.01.log.html15:02
slaweqthx guys, let's finish this discusion in neutron channel maybe15:02
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