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| ihrachys | I am wondering how to properly approach testing a different encap type. most tests in the suite are setting up geneve. let's say I want to run several of them with a different encap (tests like validate basic e-w or n-s connectivity). I can obviously just copy paste and select a different type but that's duplicative. AFAIU autoconf macros could be used to reuse code but keeping test body in a macro | 14:40 |
|---|---|---|
| ihrachys | seems wrong (it's not a util function). is there a way to generate "variants" of the same test case for different configurations? | 14:40 |
| ihrachys | (that's re: ovn ^) | 14:41 |
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| imaximets | ihrachys, in OVS usually defines a function with m4_define and calls it with different arguments. See OFPROTO_DPIF_MEGAFLOW_NORMAL_ACB_BOND for example. | 14:52 |
| imaximets | ihrachys, I'm not a fan of this, but I'm not sure if there is a better way. | 14:54 |
| ihrachys | imaximets: exactly what I was looking for. thanks! | 14:56 |
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| mmichelson | I'm going to get the bot started now, even though it's still a couple minutes early | 17:13 |
| mmichelson | #startmeeting ovn-community-development-discussion | 17:13 |
| openstack | Meeting started Thu Mar 26 17:13:35 2020 UTC and is due to finish in 60 minutes. The chair is mmichelson. Information about MeetBot at http://wiki.debian.org/MeetBot. | 17:13 |
| openstack | Useful Commands: #action #agreed #help #info #idea #link #topic #startvote. | 17:13 |
| openstack | The meeting name has been set to 'ovn_community_development_discussion' | 17:13 |
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| mmichelson | Hi everyone, it's about time we got started with this meeting. | 17:15 |
| mmichelson | I've been working on SCTP-related things lately. You've probably seen my patch for SCTP load balancing, as well as the discussion about conntrack states for SCTP | 17:15 |
| numans | Hello | 17:15 |
| mmichelson | The end result of that SCTP discussion is that OVN is trying to do an invalid snat operation in the case where there is a load balancer configured and an SNAT for the same external IP. | 17:16 |
| mmichelson | numans wrote a patch that I've acked. Once that's put in place, I'll rebase my SCTP load balancer patch and it should be good to review. | 17:16 |
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| mmichelson | The other major thing I've been doing lately is looking at pw-ci (the repo of scripts that 0-day robot uses) | 17:16 |
| _lore_ | hi | 17:17 |
| blp | I'm in a program committee meeting today but I hope that whoever is running the OVN meeting uses the new meeting bot. | 17:17 |
| mmichelson | I want to introduce more CI into the OVN process. I have an idea of how that would work, and I'm going to send an e-mail about it probably tomorrow | 17:17 |
| mmichelson | blp, yep, I started the meeting using the bot :) | 17:17 |
| numans | FYI - logs wil be here - http://eavesdrop.openstack.org/meetings/ovn_community_development_discussion/ | 17:17 |
| mmichelson | And now I'm done. | 17:17 |
| mmichelson | BTW, I have a baby in the room with me and he's actively throwing toys around the room, so I may not be as responsive as normal during this meeting | 17:18 |
| flaviof | hi all | 17:18 |
| numans | flaviof, hi | 17:18 |
| mmichelson | So who'd like to go next? | 17:18 |
| numans | I can go real quick | 17:19 |
| numans | As mmichelson mentioned I submitted the patch to address the nat issue | 17:19 |
| numans | I did few reviews. | 17:19 |
| numans | And nothing much. That's it. | 17:19 |
| numans | zhouhan, Thanks for the comments for the I-P patches | 17:19 |
| numans | I'll get back with some comments. | 17:20 |
| zhouhan | numans: np | 17:20 |
| numans | zhouhan, We can discuss more in the ML, but I had the correctness in my mind | 17:20 |
| numans | I mean the flow correctness. | 17:20 |
| zhouhan | numans: ok, let's discuss there | 17:20 |
| numans | In my testing though I didn't find any inconsistencies though | 17:21 |
| numans | zhouhan, If you have any comments which you want to share, please do | 17:21 |
| numans | Sometimes its easier over the chat. | 17:21 |
| numans | That's it from me. | 17:22 |
| mmichelson | thanks numans | 17:22 |
| flaviof | I'll jump in real quick :) | 17:23 |
| flaviof | I'll be putting notes about this meeting in the site | 17:23 |
| flaviof | #link https://github.com/ovn-org/ovn-website/pull/9 | 17:23 |
| mmichelson | cool! | 17:24 |
| flaviof | If any of you have ideas on what you want to see there, don't be shy to make a pr | 17:24 |
| flaviof | that is all from me :) | 17:24 |
| mmichelson | ok I think it's going to take some getting used to all the features that the meeting bot has to offer. | 17:25 |
| mmichelson | But for now having logs and being able to easily link them is a huge thing | 17:25 |
| zhouhan | I can go next | 17:27 |
| zhouhan | I did some review on ovn, will pickup the ovn-scale-test reviews. | 17:27 |
| zhouhan | numans: For your I-P patches, my major concern is the noop change-handler. If an input is used in full-compute, but it is not handled in the change-handler, it seems something is missing. | 17:28 |
| zhouhan | I haven't looked at the OVSDB update lost problem. It is still in my list | 17:29 |
| zhouhan | That's it from me | 17:29 |
| numans | zhouhan, I understand. But running full (lflow_run) recompute for every runtime data change is definitely costing lot of time | 17:29 |
| numans | mainly when there are lots of lflows | 17:29 |
| numans | but ofcourse correctness is important :) | 17:30 |
| zhouhan | numans: yes, so what's in my mind for incrementally processing "runtime data" change is to split "runtime data" into different nodes, and handle some of them incrementally. | 17:30 |
| numans | zhouhan, that's gonna be tricky. | 17:31 |
| avishnoi | numans: zhouhan what is the sceario of update lost ? sb db sends the update but ovn-controller is disconnected? | 17:32 |
| zhouhan | currently the "runtime data" is just a bundle of many things that I didn't have time to think through one-by-one. If we want to handle it incrementally, I think we will have to break it down | 17:32 |
| numans | ok. | 17:32 |
| numans | I see your point | 17:32 |
| avishnoi | and when it connects back, sb db thinks that updated is already sent ? | 17:32 |
| zhouhan | avishnoi: the update lost is something reported in last meeting by dceara | 17:32 |
| numans | zhouhan, Let me explore more on your suggestion | 17:33 |
| numans | thanks | 17:33 |
| zhouhan | avishnoi: he noticed for some reason the IDL didn't got some of the update, and it will never get it until restart | 17:34 |
| dceara | avishnoi, this is the issue: https://bugzilla.redhat.com/show_bug.cgi?id=1808580#c11 | 17:34 |
| openstack | bugzilla.redhat.com bug 1808580 in ovn2.12 "[OVN SCALE] many flows missing from new node after scaling up 179 nodes" [Unspecified,Assigned] - Assigned to dceara | 17:41 |
| zhouhan | numans: sure, thank you | 17:41 |
| avishnoi | dceara: thanks. | 17:41 |
| dceara | I have a quick update as well if I may jump in. | 17:41 |
| numans | dceara, jump in | 17:41 |
| dceara | zhouhan, numans, imaximets, thanks for the ovsdb-idl review of https://patchwork.ozlabs.org/patch/1261637/ | 17:41 |
| zhouhan | dceara: np | 17:41 |
| flaviof | #link https://bugzilla.redhat.com/show_bug.cgi?id=1808580#c11 issue reported in last meeting by dceara | 17:41 |
| dceara | If everyone is ok with it, it would be great to have this merged so we can use ovn-monitor-all safely | 17:49 |
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| mmichelson | dceara, With the reviews you have I think it's probably fine to merge. | 17:49 |
| dceara | regarding the missing SB DB update, I didn't find the root cause yet so I'll be at least sending a patch force a reconnect with monitor_cond_since last_id 0. Even if we fix the root cause it would still be good if ovn-controller would recover. | 17:49 |
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| ihrachys | numans: btw tried as you said - bring up fake-multinode, then set vxlan through external-ids for all nodes, then ping from port to ovnfake-ext and vice versa, all works, vxlan tunnels replaced geneve ones | 17:59 |
| numans | ihrachys, ok. cool. probably something wrong in my setup | 18:00 |
| numans | thanks for confirming | 18:00 |
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| numans | test | 18:15 |
| flaviof | numans: I think we are missing an #endmitting ;) | 18:22 |
| flaviof | # e n d m e e t i n g :) | 18:22 |
| flaviof | mmichelson: ^^ | 18:23 |
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| flaviof | #link http://eavesdrop.openstack.org/meetings/ovn_community_development_discussion/2020/ovn_community_development_discussion.2020-03-26-17.13.log.txt | 18:23 |
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| flaviof | #endmeeting | 20:36 |
| openstack | Meeting ended Thu Mar 26 20:36:03 2020 UTC. Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4) | 20:36 |
| openstack | Minutes: http://eavesdrop.openstack.org/meetings/ovn_community_development_discussion/2020/ovn_community_development_discussion.2020-03-26-17.13.html | 20:36 |
| openstack | Minutes (text): http://eavesdrop.openstack.org/meetings/ovn_community_development_discussion/2020/ovn_community_development_discussion.2020-03-26-17.13.txt | 20:36 |
| openstack | Log: http://eavesdrop.openstack.org/meetings/ovn_community_development_discussion/2020/ovn_community_development_discussion.2020-03-26-17.13.log.html | 20:36 |
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