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| openstackgerrit | Hong Hui Xiao proposed openstack/neutron: Funcional test for address scope https://review.openstack.org/272474 | 00:06 |
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| ljxiash | mestery: hi | 00:16 |
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| armax | mtreinish: ping | 00:41 |
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| Sam-I-Am | armax: MOO :) | 00:43 |
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| armax | Sam-I-Am: you’re next in my queue :) | 00:43 |
| Sam-I-Am | woohoo | 00:43 |
| armax | Sam-I-Am: trying to tackle latest gate stability issues | 00:44 |
| Sam-I-Am | they need to serve cocktails in the queue | 00:44 |
| armax | that’s a good idea | 00:44 |
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| ljxiash | Hi, I have a question about neutron port and security group, does anyone can help me ? | 00:59 |
| ljxiash | what's the exact meaning of "neutron-openvswi-sg-chain" in iptables?? | 01:00 |
| Sam-I-Am | securitygroup | 01:00 |
| ljxiash | does it record the traffic from vm and to vm after filter by security group? | 01:01 |
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| jamespd_ | ljxiash: it depends on what you mean by 'record traffic' | 01:02 |
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| jamespd_ | there are packet and byte counters | 01:02 |
| ljxiash | jamespd_: I mean the bytes and pkts , see "39 3361 neutron-openvswi-sg-chain all -- * * 0.0.0.0/0 0.0.0.0/0 PHYSDEV match --physdev-in tapdc265ad6-e6 --physdev-is-bridged /* Direct traffic from the VM interface to the security group chain. */" | 01:03 |
| ljxiash | jamespd_: yes | 01:03 |
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| openstackgerrit | John Davidge proposed openstack/neutron: Add admin-only API to clean up tenant resources https://review.openstack.org/275460 | 01:04 |
| jamespd_ | ljxiash: yeah, those are counters for traffic leaving a port. | 01:05 |
| jamespd_ | the port ID will start with 'dc265ad6-e6' in this case. | 01:06 |
| jamespd_ | there will be a corresponding rule for traffic in the other direction | 01:06 |
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| ljxiash | I saw the /* ...*/ above, it says the direct traffic from the vm interface, why not to vm interface.. confused about that. | 01:07 |
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| * jamespd_ is not sure where that comment comes from, but... | 01:08 | |
| jamespd_ | for example | 01:08 |
| ljxiash | see "39 3361 neutron-openvswi-sg-chain all -- * * 0.0.0.0/0 0.0.0.0/0 PHYSDEV match --physdev-in tapdc265ad6-e6 --physdev-is-bridged /* Direct traffic from the VM interface to the security group chain. */" | 01:08 |
| jamespd_ | The neutron-openvswi-sg-chain has rules to jump to input and output filtering for each port | 01:08 |
| jamespd_ | ljxiash: http://paste.openstack.org/show/485792/ | 01:09 |
| jamespd_ | here you can see the jump rules for input and output chains for the port that start with '77d9be6b-6c' | 01:09 |
| jamespd_ | then I could do 'iptables -nvL neutron-openvswi-i77d9be6b-60' or 'iptables -nvL neutron-openvswi-o77d9be6b-6' | 01:10 |
| jamespd_ | to see input and output filtering for that port | 01:10 |
| jamespd_ | or 'iptables -nvL neutron-openvswi-s77d9be6b-6' for address spoofing prevention | 01:11 |
| jamespd_ | ^^ i.e. allowed address pairs | 01:11 |
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| ChuckC | Sukhdev: hi | 01:12 |
| Sukhdev | ChuckC : Hi | 01:12 |
| ChuckC | Sukhdev: whenever you get the chance, could you take a look at https://review.openstack.org/#/c/275458/? | 01:12 |
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| ljxiash | jamespd_: ah, yes, thanks very much. how about this one, neutron-openvswi-sg-fallback | 01:13 |
| Sukhdev | sure NP | 01:13 |
| ChuckC | Sukhdev: thanks | 01:13 |
| jamespd_ | ljxiash: the last rule in the chains is neutron-openvswi-sg-fallback, which is just a DROP rule. 'iptables -nvL neutron-openvswi-i77d9be6b-6 | grep fallback' will give you counters for how much traffic has been dropped by that security group. | 01:13 |
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| jamespd_ | ^^ for the port in question. ('77d9be6b-6c...') | 01:14 |
| Sukhdev | armax : feel free to have a look as well - | 01:14 |
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| openstackgerrit | Dina Belova proposed openstack/neutron: [DRAFT][WIP][DO NOT MERGE] Add OSprofiler support https://review.openstack.org/273951 | 01:17 |
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| ljxiash | jamespd_: and I saw in the neutron-openvswi-i77d9be6b-6 chain, there is DROP before the fallback rule, difference?? ^^ | 01:18 |
| armax | Sam-I-Am: yo | 01:19 |
| openstackgerrit | Dina Belova proposed openstack/neutron: [DRAFT][WIP][DO NOT MERGE] Add OSprofiler support https://review.openstack.org/273951 | 01:19 |
| Sam-I-Am | armax: mooooo | 01:20 |
| jamespd_ | ljxiash: the first rule? That only drops if the state is INVALID. | 01:20 |
| jamespd_ | e.g. out-of-sequence TCP frame. | 01:20 |
| armax | Sam-I-Am: sooooo | 01:20 |
| Sam-I-Am | yep | 01:20 |
| * Sam-I-Am raises shields | 01:20 | |
| * jamespd_ pulls up a chair to watch Sam-I-Am and armax. | 01:20 | |
| Sam-I-Am | or gets a drink... not sure which is better | 01:20 |
| armax | Sam-I-Am: talk to me | 01:21 |
| Sam-I-Am | probably both | 01:21 |
| armax | :) | 01:21 |
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| armax | Sam-I-Am: this MTU stuff | 01:21 |
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| Sam-I-Am | armax: yep. did you get a chance to read the thread? | 01:21 |
| armax | I did | 01:21 |
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| Sam-I-Am | ok. does any of it make sense? | 01:22 |
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| Sam-I-Am | if not i can sum things up :) | 01:23 |
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| armax | It does make sense but I wouldn’t mind if you could give me the diff since the last email of the thread and today | 01:24 |
| Sam-I-Am | well, nothings changed since i posted the OVS version of the e-mail. | 01:24 |
| Sam-I-Am | we know whats broken in both linuxbridge and ovs | 01:24 |
| Sam-I-Am | the question is the best way to fix it that a) works b) doesnt cause grief down the road | 01:25 |
| armax | oh I didn’t read the ovs part | 01:25 |
| Sam-I-Am | i've talked about it a bit with kevin and there's an etherpad that sc68cal and i were poking at... and ianw got into a bit. | 01:25 |
| ljxiash | jamespd_: ^^okay, I see. then if I want to know the drop pkts of a port, how can I get it? | 01:25 |
| armax | I only read the LB part | 01:25 |
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| Sam-I-Am | armax: ovs sort of moves the problem | 01:26 |
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| Sam-I-Am | but in general the same issues apply - we either have veth pairs with different MTUs on either end (which should be unpossible) or bridges with ports that have different MTUs | 01:27 |
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| armax | so clearly thre | 01:29 |
| armax | there’s a bug lying somewhere where the MTU’s do not match | 01:29 |
| armax | and thus cause grief from time to time | 01:29 |
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| Sam-I-Am | well, its more like we're not determining the underlying network MTU properly and not passing it to the correct places during network creation | 01:30 |
| Sam-I-Am | there was a spec for this - mtu-selection-and-advertisement (or some such) | 01:30 |
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| armax | Sam-I-Am: correct | 01:30 |
| jamespd_ | ljxiash: something like (iptables -nvL neutron-openvswi-i77d9be6b-6 ; iptables -nvL neutron-openvswi-o77d9be6b-6 ; iptables -nvL neutron-openvswi-s77d9be6b-6) | egrep 'DROP|fallback' | 01:31 |
| jamespd_ | then add up the numbers. | 01:31 |
| Sam-I-Am | couple releases ago. wasn't implemented sufficiently. now our config files claim to fix mtu, but most of those options dont actually do anything, arguably making the situation even more frustrating for operators. | 01:31 |
| armax | Sam-I-Am: that’s only half complete | 01:31 |
| Sam-I-Am | the only option that works just changes the mtu advertised by dhcp... assuming you're using dhcp. | 01:32 |
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| Sam-I-Am | the option name makes you think it does more | 01:32 |
| armax | Sam-I-Am: I might be completely off base here but the way I recall that feature to be | 01:32 |
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| armax | Sam-I-Am: it should simply be about ensuring a consistent MTU across the entire Neutron ‘overlay' | 01:32 |
| Sam-I-Am | it... should | 01:33 |
| Sam-I-Am | it solves the vm-side of the problem for MTU=1500, it solves zero problems for MTU > 1500 | 01:33 |
| ljxiash | jamespd_: great. THANK U! now you can watch armax and Sam-I-Am show. \o/ | 01:34 |
| Sam-I-Am | and i think most operators with 10+ gbps networks are looking to use jumbo frames | 01:34 |
| armax | Sam-I-Am: for good reasons | 01:34 |
| johnsom | armax On https://bugs.launchpad.net/neutron/+bug/1507050 what query did you use in kibana? I'm not finding any hits. | 01:34 |
| openstack | Launchpad bug 1507050 in neutron "LBaaS 2.0: Operating Status Tempest Test Changes" [Critical,Confirmed] | 01:34 |
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| Sam-I-Am | as sean said, there's tribal knowledge of increasing the underlying network mtu to 1550, but that still doesn't work for jumbo frames. if the base network supports 9000, we can't increase it further. | 01:34 |
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| johnsom | Ryan had an old query but that seems to have a ton of false positives. | 01:35 |
| jamespd_ | ljxiash: no problem :D | 01:35 |
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| armax | johnsom: https://bugs.launchpad.net/neutron/+bug/1507050/comments/1 | 01:35 |
| openstack | Launchpad bug 1507050 in neutron "LBaaS 2.0: Operating Status Tempest Test Changes" [Critical,Confirmed] | 01:35 |
| Sam-I-Am | this is a fairly easy problem to fix from a technical standpoint - simply move the MTU disparity to a layer-3 device such as a namespace. | 01:35 |
| armax | johnsom: ok, that’s interesting | 01:35 |
| Sam-I-Am | the question is how/where we solve it. | 01:36 |
| armax | johnsom: but the build status is still negative | 01:36 |
| Sam-I-Am | for example, do we just assume the entire deployment sits on a single MTU, or do we do it per provider network? | 01:36 |
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| armax | johnsom: it’s likely that all the recent gate failures were due to the keystone v3 switch | 01:36 |
| Sam-I-Am | if the latter, do we set it in ml2 or let the drivers deal with it? | 01:36 |
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| Sam-I-Am | or do we put it in the base plugin somehow | 01:37 |
| Sam-I-Am | so other plugins can use it | 01:37 |
| johnsom | armax Oh yes, we have been hit hard with that one. I pushed up another fix for that today. | 01:37 |
| armax | Sam-I-Am: this will have to be tackled from multiple angles | 01:37 |
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| armax | johnsom: let’s watch it for a week | 01:37 |
| armax | johnsom: and we’ll see if can mark it incomplete | 01:37 |
| bbzhao | kevinbenton:ping | 01:37 |
| armax | Sam-I-Am: for instance, iirc you noticed that the veth pairs’s MTU don’t match in certain instances | 01:38 |
| Sam-I-Am | which leads me to the ptl question - a) can we fix this for mitaka b) how c) do we need a spec | 01:38 |
| armax | Sam-I-Am: did I just make this up? | 01:38 |
| Sam-I-Am | armax: thats arguably the biggest problem | 01:38 |
| armax | Sam-I-Am: so that’s really a bug fix we should tackle asap | 01:38 |
| johnsom | armax Ok, sounds good. I haven't seen that issue but there were some patches to those tests last year. | 01:38 |
| armax | if that takes care of 80% of the operator grief | 01:38 |
| armax | johnsom: ok, cool…I | 01:39 |
| Sam-I-Am | in fact, for linux bridge, we only really need to address qg and qr interfaces in the qrouter namespace. | 01:39 |
| armax | johnsom: I’ll nag you if I need to | 01:39 |
| johnsom | armax Deal | 01:39 |
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| armax | Sam-I-Am: then I’d be tempeted to say let’s take care of the 20% via docs | 01:39 |
| Sam-I-Am | the reason why - linux bridges assume the mtus of things plugged into them. | 01:39 |
| armax | Sam-I-Am: at least for now | 01:39 |
| Sam-I-Am | so it Just Works | 01:39 |
| bbzhao | Is there anybody could review https://review.openstack.org/#/c/251193/? thanks | 01:39 |
| johnsom | armax Though I prefer you nagging dougwig.... grin Just kidding | 01:40 |
| Sam-I-Am | not sure what we can do in docs now except for "heres why this doesnt work" | 01:40 |
| Sam-I-Am | ovs takes a little more effort to fix | 01:40 |
| armax | johnsom: I think it’s in my power as PTL to nag anyone I like? | 01:40 |
| armax | :P | 01:40 |
| Sam-I-Am | same concepts, just in a slightly different area | 01:40 |
| johnsom | armax True, true. | 01:40 |
| Sam-I-Am | kevin was thinking we'd have to involve nova because it supposedly manages the sec group bridge for ovs, but we came up with a workaround. | 01:40 |
| armax | Sam-I-Am: um | 01:41 |
| armax | Sam-I-Am: do tell | 01:41 |
| Sam-I-Am | the ovs workaround? | 01:41 |
| armax | ys | 01:41 |
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| Sam-I-Am | ok | 01:42 |
| Sam-I-Am | so, as i said, linux bridges are cool because they assume the mtu of the things plugged into them | 01:42 |
| Sam-I-Am | well, the lowest mtu | 01:42 |
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| bbzhao | mestery:HI kyle, could you please help to review https://review.openstack.org/#/c/251193/? thanks. | 01:43 |
| Sam-I-Am | so if you have a 9000 eth0, plug it into a bridge, the bridge becomes 9000. if you plug a vxlan interface into it, linux automatically accounts for the overhead and makes it 8950 | 01:43 |
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| Sam-I-Am | now the bridge and vxlan interface are 8950 | 01:43 |
| openstackgerrit | shihanzhang proposed openstack/neutron: Ml2: don't allow updating network's attribute 'segments' https://review.openstack.org/275078 | 01:43 |
| Sam-I-Am | with OVS, the sec group bridge lacks ports on any physical interface and therefore assumes 1500 mtu | 01:43 |
| armax | Sam-I-Am: I see | 01:43 |
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| Sam-I-Am | apparently nova creates that bridge | 01:44 |
| Sam-I-Am | and we dont want to involve nova here | 01:44 |
| bbzhao | carl_baldwin:Hi carl, could you please help review https://review.openstack.org/#/c/251193/? thanks. | 01:44 |
| armax | bbzhao: can you stop flooding the channel please? | 01:44 |
| Sam-I-Am | what we do know... neutron communicates with nova about network device readiness | 01:44 |
| Sam-I-Am | so once nova creates its bits, we can go through and adjust the MTUs | 01:44 |
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| armax | bbzhao: we got it, your change is in the queue, we’ll get to it when we get to it | 01:45 |
| armax | bbzhao: hopefully soon enough | 01:45 |
| bbzhao | armax:Thanks. | 01:46 |
| haleyb | Sam-I-Am: that's the qbr bridge, and yes, created by nova | 01:46 |
| Sam-I-Am | haleyb: yeah | 01:46 |
| Sam-I-Am | iirc, if we increase the mtu of all the ports on that bridge, things work | 01:47 |
| Sam-I-Am | so, for mtu=1500, it turns out that the way OVS does interfaces in namespaces, the MTU disparity occurs in the qrouter namespace | 01:48 |
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| Sam-I-Am | for mtu > 1500 we have a similar problem to linuxbridge in the qrouter | 01:48 |
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| armax | Sam-I-Am: so if we try to sum this up | 01:48 |
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| armax | Sam-I-Am: are the fixes mainly on the agent ides? | 01:49 |
| armax | sides | 01:49 |
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| armax | where the MTU as specified on the network is propagated to the commands to create interfaces etc>? | 01:50 |
| Sam-I-Am | well, veth pair creation is in the linux agent | 01:50 |
| Sam-I-Am | but ovs does its own thing | 01:50 |
| Sam-I-Am | so fixing veth pairs i THINK involves the linux agent, assuming we get the correct values to it | 01:51 |
| armax | right | 01:51 |
| Sam-I-Am | armax: question is where do we specify that value in the config | 01:51 |
| armax | it’s definitely two separate fixes | 01:51 |
| armax | LB and OVS | 01:51 |
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| Sam-I-Am | yeah | 01:51 |
| armax | Sam-I-Am: what value? | 01:51 |
| Sam-I-Am | mtu | 01:51 |
| armax | the MTU for the network? | 01:52 |
| Sam-I-Am | yeah | 01:52 |
| Sam-I-Am | this might make your head explode, but i'll throw it out there - https://etherpad.openstack.org/p/neutron-mtu-fixeration | 01:52 |
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| armax | Sam-I-Am: you mean a reasonable default for the MTU? | 01:52 |
| armax | when it’s not user specified? | 01:52 |
| armax | via net-create? | 01:52 |
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| armax | Sam-I-Am: I | 01:53 |
| armax | Sam-I-Am: is that what you’re asking? | 01:53 |
| Sam-I-Am | well, sort of. | 01:53 |
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| Sam-I-Am | this seems like something you'd have in a config file | 01:53 |
| Sam-I-Am | its available read-only via api so tenants without dhcp know what mtu to use for their VMs | 01:54 |
| Sam-I-Am | but i dont think it should be writable | 01:54 |
| armax | indeed | 01:54 |
| armax | I don’t think the MTU is mutable after creation | 01:54 |
| Sam-I-Am | in other words, in ml2_conf ... do something like flat_networks = public1:mtu=9000,public2:mtu=1500 | 01:54 |
| Sam-I-Am | those mtus are used to calculate mtus for everything else | 01:56 |
| armax | Sam-I-Am: what about the overlay case? | 01:56 |
| Sam-I-Am | that would be based off the underlying network mtu | 01:56 |
| armax | Sam-I-Am: adding the MTU to the bridge mappings should be fine | 01:56 |
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| Sam-I-Am | bridge mappings pushes it out to the agents | 01:56 |
| armax | Sam-I-Am: ok | 01:57 |
| Sam-I-Am | might be cleaner to do it in ml2? | 01:57 |
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| armax | Sam-I-Am: right now I don’t see any other place | 01:57 |
| armax | Sam-I-Am: taht’s where we hold the mappings | 01:57 |
| armax | bridges->networks | 01:57 |
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| Sam-I-Am | reality is, i cannot think of many practical cases where mtu would be per-network | 01:58 |
| Sam-I-Am | this is how corner cases and creature feep broke the original mtu spec | 01:58 |
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| Sam-I-Am | frankly it should be one setting in neutron.conf for the underlying network MTU | 01:59 |
| armax | fair enough | 01:59 |
| armax | the thing is | 01:59 |
| armax | if we realize that we do need one mtu per network it’ll be difficult to roll back | 02:00 |
| Sam-I-Am | but if you think per-network makes sense, we probably need to have it in mappings and then some sort of 'overall' mtu of the network that neutron rides on. | 02:00 |
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| Sam-I-Am | ^ thats why i said this | 02:00 |
| Sam-I-Am | we still need a global-ish option to cover the network between the provider nets and the VMs. | 02:00 |
| armax | technically speaking we could have both | 02:00 |
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| armax | right | 02:00 |
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| armax | one per deployment, taht could be overriden if need be | 02:01 |
| Sam-I-Am | global is... global. then you can specify per-network if you want either in ml2 or the mappings. | 02:01 |
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| Sam-I-Am | if we did a phased rollout, it would be global then per-network | 02:02 |
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| armax | sounds good to me | 02:03 |
| Sam-I-Am | which leads me back to - should i sum what we need to fix for each agent in a spec.. or... ? | 02:03 |
| Sam-I-Am | then battle it out in review | 02:04 |
| Sam-I-Am | or grab a few folks and ninja it | 02:04 |
| openstackgerrit | James Arendt proposed openstack/python-neutronclient: [WIP] Implement FWaaS V2 CLI https://review.openstack.org/275473 | 02:04 |
| Sam-I-Am | what i'm trying to do is keep the eye on the prize rather than opening things up to endless corner cases that delay implementation of anything | 02:04 |
| Sam-I-Am | sadly this could be the biggest feature ever :/ | 02:05 |
| Sam-I-Am | 'hey guess what mtu works' | 02:05 |
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| Sam-I-Am | so thats where the ptl-ness comes in :) | 02:06 |
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| armax | Sam-I-Am: it’d be good to sketch out all the steps necessary to claim this ‘done' | 02:06 |
| armax | but that doesn’t need to be a spec | 02:06 |
| armax | Sam-I-Am: the option is really two-fold | 02:06 |
| armax | either file multiple bugs to tackle the various issues individually | 02:06 |
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| Sam-I-Am | ok, how about an overall bug, then a bug for ovs, and a bug for linuxbridge | 02:07 |
| armax | of we track this via an umbrella spec/blueprint to wrap them all under one roof | 02:07 |
| Sam-I-Am | s/overall bug/bp.. or spec? | 02:07 |
| armax | having said that, | 02:07 |
| armax | since you’ll be introducing config changes etc… | 02:08 |
| armax | we’d notably need documentation as to what the outcome needs to be | 02:08 |
| armax | and tha’s what counts the most | 02:08 |
| Sam-I-Am | i have no idea how to write docs :/ | 02:08 |
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| Sam-I-Am | just joking :) | 02:09 |
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| Sam-I-Am | you can rest assured this will have good docs... everyone wants to settle this problem once and for all | 02:09 |
| armax | Sam-I-Am: yup | 02:10 |
| Sam-I-Am | which is why i'll probably need to wrangle people who are wayyyy more familiar with the internals of neutron to most of the code bits, and i'll handle making sure the code has docs, and the networking guide (or whatever) has docs | 02:10 |
| armax | cool | 02:10 |
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| Sam-I-Am | not sure how you assign resources to things, but i think we can bang this out rather quickly | 02:11 |
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| armax | what do you mean? | 02:11 |
| armax | I am powerless I can’t assign anything to anything | 02:11 |
| Sam-I-Am | well, how you get people working on specs/bugs | 02:11 |
| * armax lmao | 02:12 | |
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| Sam-I-Am | do i need to start slipping $100s to people? | 02:12 |
| armax | Sam-I-Am: you’re welcome to try, not sure it works | 02:12 |
| armax | Sam-I-Am: they’ll just rip you off | 02:12 |
| Sam-I-Am | i think this is a big enough, well known problem that we can razzle some folks to work on it | 02:12 |
| armax | Sam-I-Am: if you can find interested parties willing to help by all means | 02:13 |
| haleyb | Sam-I-Am: I can volunteer to help as MTU issues are one of the things we think were affecting the DVR multinode jobs | 02:13 |
| Sam-I-Am | haleyb: cool. dvr has even another take on mtu problems. :/ | 02:13 |
| Sam-I-Am | it halfway-ish uses network_device_mtu | 02:13 |
| Sam-I-Am | which only breaks things | 02:14 |
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| Sam-I-Am | armax: so... two bugs, one for each agent. some sort of spec or bp somewhere that references the bugs? | 02:15 |
| haleyb | getting ahead of myself, but would goal #1 be to get things working with a 1500 byte physical device mtu? then things like jumbo frames could be later, there be demons there if you see the note I dropped on your fixeration page | 02:15 |
| openstackgerrit | Henry Gessau proposed openstack/python-neutronclient: Client bindings for Get-me-a-network https://review.openstack.org/272842 | 02:16 |
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| Sam-I-Am | haleyb: 1500 works now if you increase your physical network to 1550... the old wives tale. | 02:16 |
| armax | Sam-I-Am: just bugs should be fine | 02:16 |
| Sam-I-Am | haleyb: looking at your thing | 02:17 |
| Sam-I-Am | armax: ok | 02:17 |
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| armax | Sam-I-Am: if you ereally want to, you can make edits to the spec about MTU in place | 02:17 |
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| Sam-I-Am | if i get time after the bugs | 02:18 |
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| Sam-I-Am | haleyb: *headdesk* | 02:18 |
| Sam-I-Am | alright, i'm going to become a truck driver. | 02:18 |
| Sam-I-Am | haleyb: looks like thats a transient bug? | 02:19 |
| haleyb | Sam-I-Am: I guess what I was getting at was supporting the base case of 1500 on eth0, and making sure the bridges/veths/taps and VM has 1450 is minimal requirement | 02:19 |
| ljxiash | hi, i have another question, does one neutron port map one vm? | 02:19 |
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| haleyb | Sam-I-Am: that fix did not merge yet, we were going to ping the submitter, but it could affect jumbo frame support | 02:20 |
| haleyb | over vxlan | 02:20 |
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| Sam-I-Am | haleyb: if we fix the qg/qr issue with linux bridge, it will support an arbitrary mtu. ovs has the additional sg bridge problem. | 02:20 |
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| Sam-I-Am | in other words, the fix for 1500 on linux bridge also fixes > 1500 | 02:21 |
| Sam-I-Am | ovs... not so much | 02:21 |
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| Sam-I-Am | however, the sg bridge is veth pairs... so if we address things in the veth pair code, it might Just Work | 02:22 |
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| Sam-I-Am | although we need to consider timing for when nova creates that bridge | 02:22 |
| Sam-I-Am | haleyb: the first thing is making sure veth pairs have the same mtu on either side | 02:22 |
| haleyb | Sam-I-Am: right, but there are a number of us that use OVS... i just wanted to put that note there so you didn't bang your head too much | 02:22 |
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| haleyb | Sam-I-Am: I'm here to help, and can round-up another resource as well | 02:23 |
| Sam-I-Am | you fix that, you fix 1500 byte mtu for linux bridge and ovs | 02:23 |
| Sam-I-Am | excellent | 02:23 |
| Sam-I-Am | so i dont need to go on the campaign trail tomorrow :) | 02:24 |
| Sam-I-Am | vote mtu! | 02:24 |
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| Sam-I-Am | haleyb: i'll put the bugs together tomorrow with an open-ended "heres what we need to fix" ... and then it just becomes a question of implementation. | 02:24 |
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| * haleyb lives <10 miles from NH, and the party is just starting | 02:25 | |
| ljxiash | Sam-I-Am: :) Could you tell me the relationship of neutron port and vm? | 02:25 |
| Sam-I-Am | i'll campaigh my mtu story like trump :) | 02:25 |
| Sam-I-Am | ljxiash: a port more or less becomes a vif on the vm | 02:26 |
| haleyb | ot | 02:26 |
| Sam-I-Am | armax: i think we're good? | 02:26 |
| haleyb | it'll be Huuuuuge | 02:26 |
| armax | so far, yes | 02:26 |
| Sam-I-Am | ok, thanks for your precious time. | 02:26 |
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| Sam-I-Am | alright, i need to locate food and not-computer | 02:30 |
| Sam-I-Am | good discussion... let's get it going. | 02:30 |
| ljxiash | Sam-I-Am: vif=virtual interface firewall? wait a minute.. can a vm have more than one neutron port? | 02:31 |
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| Sam-I-Am | vif = virtual interface | 02:32 |
| Sam-I-Am | and yes, a vm can have > 1 port | 02:32 |
| Sam-I-Am | they just become additional interfaces in the vm | 02:32 |
| Sam-I-Am | like eth0, eth1 | 02:32 |
| Sam-I-Am | -> food now | 02:32 |
| mtreinish | armax: pong | 02:33 |
| armax | mtreinish: | 02:33 |
| armax | wanted to pick up your brain on https://review.openstack.org/#/c/275457/ and https://review.openstack.org/#/c/274182/ | 02:33 |
| armax | when you get a chance | 02:33 |
| * tbachman watches armax run the neutron PTL guantlet | 02:34 | |
| ljxiash | Sam-I-Am: ok, thank you. can a port assign to two VMs? | 02:34 |
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| mtreinish | armax: so for the project config patch has amuller's changes removing most of the fork landed? | 02:35 |
| armax | mtreinish: it did | 02:36 |
| armax | tbachman: how am I doing? | 02:36 |
| tbachman | armax: I’d have been dead long ago | 02:36 |
| armax | mtreinish: I wish I had more time to look into the underlying issues, but I can honestly say I am pretty swamped :) | 02:37 |
| tbachman | lol | 02:37 |
| armax | tbachman: it’s not that bad | 02:37 |
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| tbachman | armax: just make sure you get to detach from the channel at some point ;) | 02:37 |
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| mtreinish | armax: for the skips it doesn't look like there is a real peak recently on openstack-health | 02:38 |
| armax | mtreinish: tre | 02:38 |
| tbachman | such is the life of the PTL | 02:38 |
| armax | mtreinish: true | 02:38 |
| armax | mtreinish: but I watched at least a couple of gate reset today | 02:38 |
| armax | mtreinish: and times are not getting any calmer | 02:38 |
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| mtreinish | armax: http://status.openstack.org/openstack-health/#/tests?groupKey=project&resolutionKey=hour&searchTest=test_network_v6 | 02:38 |
| ljxiash | Sam-I-Am: can a port be both eth0 and eth1??? | 02:39 |
| armax | mtreinish: still I wish those numbers were single digit | 02:39 |
| mtreinish | armax: heh, that;s for all time | 02:39 |
| armax | mtreinish: :) | 02:39 |
| mtreinish | click on an individual test to see it date filtered | 02:39 |
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| mtreinish | armax: so we normally save a skip for a bad bug with no clear direction on how to fix it | 02:40 |
| mtreinish | I think we have the later, mostly because no one is looking at it | 02:40 |
| mtreinish | we should shame/bully sc86cal into fixing it :) | 02:41 |
| armax | mtreinish: the bug has certainly lingered and it can be annoying especially if the gate queue is full | 02:41 |
| armax | mtreinish: either way, I was hoping we could smoke someone out :) | 02:41 |
| mtreinish | sure, but all bugs that aren't fast fix are like that | 02:41 |
| armax | mtreinish: but at the same time this isn’t easy to fix either | 02:42 |
| armax | mtreinish: so it’ll take time and if I can save on a few gate resets I would | 02:42 |
| armax | especially if I have to cut an RC | 02:42 |
| mtreinish | so I'm fine with a skip and having the ML post is fine | 02:42 |
| mtreinish | s/fine/the right thing | 02:42 |
| armax | mtreinish: I did post on the ML | 02:42 |
| mtreinish | right, I'm saying that was good :) | 02:42 |
| armax | mtreinish: ah, thank you sir | 02:42 |
| mtreinish | I'm just afraid this will be lost to time, but I'm +2 on the skips | 02:43 |
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| mtreinish | mostly because I want to kill most of those tests and make neutron's functional tests own it | 02:43 |
| mtreinish | having 1 v6 ip allocation test makes sense, but 6 always seemed crazy to me | 02:44 |
| mtreinish | armax: as for the project config change I'm not sure why my input is needed, that's a neutron level decision. The job doesn't cogate with anything | 02:45 |
| armax | mtreinish: I am fully on board with this | 02:45 |
| armax | mtreinish: in fact I was wondering about that mysel | 02:45 |
| armax | mtreinish: feel free to state what you stated! I feel the same | 02:45 |
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| mtreinish | so if you want to take the risk of threading the needle by skipping the speculative merge job that's a neutron level decision | 02:46 |
| mtreinish | armax: heh, I think there was a commit from haleyb where we were talking about that a little while ago | 02:46 |
| openstackgerrit | ZhaoBo proposed openstack/neutron: Add standard attribute functions https://review.openstack.org/251193 | 02:46 |
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| armax | mtreinish: agreed, again I am only thinking of having this as a contigency measure until N opens up | 02:47 |
| * haleyb goes looking | 02:47 | |
| armax | mtreinish: well Mitaka really is past us | 02:47 |
| haleyb | https://review.openstack.org/#/c/239868/ | 02:48 |
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| haleyb | mtreinish: your comment was to mark them "slow" so they only get run periodically | 02:49 |
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| mtreinish | haleyb: yeah, I was reading/remembering. I'd be fine with removing them, I just feel neutron needs equiv tests before we can delete | 02:50 |
| mtreinish | marking as slow was just a intermediate step (which is essentially the same as skipping) | 02:50 |
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| haleyb | mtreinish: and not to throw mud, but I'm remembering the two I left (dual-stack, two v6 subnets) were the only two I could reliably get to always pass. I couldn't determine if the fragileness was tempest or neutron | 02:53 |
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| mtreinish | haleyb: it's probably a bit of both :) | 02:54 |
| haleyb | the "Timed out waiting for 2003::1 to become reachable from 172.24.5.112" didn't help as that looks like a test problem, but I believe it's just rying to ssh to the v4 to ping the other v6 | 02:55 |
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| openstackgerrit | yalei wang proposed openstack/neutron: Add new limit_portsec_domain attr for port https://review.openstack.org/250036 | 02:59 |
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| ljxiash | Hey, guys, can a neutron port map to two interface? a port can have multi subnet ip, then can it be two interface, that maybe two VM network traffic can pass it???? | 03:06 |
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| jamespd_ | ljxiash: I don't think so. | 03:20 |
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| ljxiash | jamespd_: okay, thank you! \o/ | 03:23 |
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| openstackgerrit | Merged openstack/neutron: Warn about a gotcha in the sub-project process https://review.openstack.org/274927 | 05:04 |
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| openstackgerrit | ZhaoBo proposed openstack/neutron: Add standard attribute functions https://review.openstack.org/251193 | 05:49 |
| openstackgerrit | Armando Migliaccio proposed openstack/neutron: Implement 'get-me-a-network' API building block https://review.openstack.org/233306 | 05:51 |
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| openstackgerrit | Armando Migliaccio proposed openstack/neutron: Address i18n related deprecation warnings https://review.openstack.org/275508 | 06:15 |
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| openstackgerrit | Armando Migliaccio proposed openstack/neutron: Remove flavors from the list of extensions provided by core plugin https://review.openstack.org/275510 | 06:18 |
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| openstackgerrit | Yatin Kumbhare proposed openstack/neutron: Fix params order in assertEqual https://review.openstack.org/270660 | 06:24 |
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| openstackgerrit | ZongKai LI proposed openstack/neutron: Fix port relationship for DVRPortBinding https://review.openstack.org/274550 | 06:41 |
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| openstackgerrit | ZongKai LI proposed openstack/neutron: Fix port relationship for DVRPortBinding https://review.openstack.org/274550 | 06:44 |
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| openstackgerrit | OpenStack Proposal Bot proposed openstack/neutron: Imported Translations from Zanata https://review.openstack.org/275525 | 06:52 |
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| openstackgerrit | LIU Yulong proposed openstack/neutron: Correct insufficient name for external process in manager log https://review.openstack.org/243448 | 07:50 |
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| openstackgerrit | Rui Zang proposed openstack/neutron: Use correct mocking in test_remove_router_interface() https://review.openstack.org/275549 | 08:09 |
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| kevinbenton | bbzhao: ping | 08:25 |
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| bbzhao | kevinbenton:pong, Hi kevin. | 08:25 |
| kevinbenton | bbzhao: what's up? | 08:25 |
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| bbzhao | kevinbenton:could you have time to review https://review.openstack.org/#/c/251193/? Thanks. Or maybe there still be some problem in this patch. | 08:26 |
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| kevinbenton | bbzhao: yes, i'll take a look shortly | 08:27 |
| bbzhao | kevinbenton: It's the first patch of timestamp...Thanks. | 08:27 |
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| openstackgerrit | Hong Hui Xiao proposed openstack/neutron: Add address scopes support to the L3 agent https://review.openstack.org/270001 | 08:32 |
| openstackgerrit | Hong Hui Xiao proposed openstack/neutron: Funcional test for address scope https://review.openstack.org/272474 | 08:32 |
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| openstackgerrit | Pavel Bondar proposed openstack/neutron: [WIP] Enable pluggable IPAM implementation by default https://review.openstack.org/181023 | 08:37 |
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| openstackgerrit | Hong Hui Xiao proposed openstack/neutron: Funcional test for address scope https://review.openstack.org/272474 | 08:44 |
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| openstackgerrit | garyk proposed openstack/neutron: DHCP: fix regression with DNS nameservers https://review.openstack.org/275267 | 08:57 |
| bbzhao | garyk:ping | 08:58 |
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| kevinbenton | bbzhao: ping | 09:05 |
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| bbzhao | kevinbenton: pong. | 09:06 |
| kevinbenton | bbzhao: how long will you be online? | 09:06 |
| bbzhao | kevinbenton: still on. | 09:07 |
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| kevinbenton | bbzhao: i mean how much longer? are you leaving soon or will you be around for another hour or so? | 09:07 |
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| bbzhao | kevinbenton: 4 hours. | 09:08 |
| bbzhao | kevinbenton: I will still be standby in 4 hours. | 09:09 |
| kevinbenton | bbzhao: ok. i will ping you when i post a review and we can iterate back and forth on it quickly | 09:09 |
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| yalie | ping yamamoto | 09:10 |
| bbzhao | kevinbenton: OK. Thanks very much. | 09:10 |
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| yalie | ping kevinbenton | 09:10 |
| yamamoto | yalie: pong | 09:10 |
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| yalie | yamamoto: hi, for the security group precommit event patch, I intentionly want to raise the exception for AFTER_XXX event. | 09:11 |
| kevinbenton | yalie: hey | 09:11 |
| yalie | hi kevin, could you help to review the limite-portsec ? | 09:12 |
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| yalie | yamamoto: is there some special logic to AFTER_XXX? I think some simple error maybe covered if exception not raised | 09:13 |
| kevinbenton | yalie: yes, send me the link and i'll take a look after reviewing bbzhao's patch | 09:13 |
| MCoLo | hi guys, during the creation of a VM sometimes i'm getting neutron timeout.. I checked the haproxy logs, and i found something like this: PUT /v2.0/ports/None.json with a 404 HTTP error. | 09:13 |
| MCoLo | Could this be related to our problem? any clue? thanks so much! | 09:13 |
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| yalie | kevinbenton: thank you!! https://review.openstack.org/#/c/250036/ :) | 09:14 |
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| kevinbenton | MCoLo: where are you seeing the timeout? | 09:14 |
| kevinbenton | MCoLo: waiting for a VM to boot? | 09:14 |
| yalie | yamamoto: of cause, I can split it into another patch if it's a problem for AFTER_XXX event. | 09:14 |
| MCoLo | kevinbenton: during the creation of a new VM, after the VM goes in the Error state | 09:16 |
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| kevinbenton | MCoLo: it could be related. it looks like Nova isn't populating the port info correctly on the Neutron side | 09:19 |
| kevinbenton | MCoLo: which would cause Neutron to never notify it | 09:20 |
| kevinbenton | MCoLo: however, this should show up as a trace in the compute node somewhere when it calls Neutron and gets a 404 | 09:20 |
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| MCoLo | kevinbenton: yeah.. i have it | 09:21 |
| yamamoto | yalie: what do you mean by "some special logic"? | 09:21 |
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| yalie | yamamoto: I don't understand why we don't raise up the exception caused by AFTER_XXX callback | 09:22 |
| yalie | yamamoto: is there some special reason? for example, if AFTER_XXX callback has some keyError, we can not find it. | 09:23 |
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| openstackgerrit | Lubosz Kosnik proposed openstack/neutron: Add support for Keepalived VRRP health check https://review.openstack.org/273546 | 09:27 |
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| openstackgerrit | Bertrand Lallau proposed openstack/neutron: Fix typo in SecurityGroup HTTP error message https://review.openstack.org/275577 | 09:27 |
| yamamoto | yalie: i don't know for sure. ask armando. just because it isn't useful for its main users (async notifications) i guess. | 09:27 |
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| yalie | yamamoto: I see, thanks! | 09:28 |
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| openstackgerrit | Hong Hui Xiao proposed openstack/neutron: Log warning message if get_subnet_for_dvr fails https://review.openstack.org/272025 | 09:29 |
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| bharath_ | Facing " Cannot access storage file '/opt/stack/data/nova/instances/86ef8e22-622c-4315-9cdc-882db1e4ce7f/disk' (as uid:106, gid:114): Permission denied" issue, how to fix this? | 09:30 |
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| openstackgerrit | Hong Hui Xiao proposed openstack/neutron: Update related router when subnetpool change scope https://review.openstack.org/251470 | 09:34 |
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| kevinbenton | bbzhao: left comments. let me know if they make sense | 09:39 |
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| bbzhao | kevinbenton: OK. I will see your comments first. | 09:40 |
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| openstackgerrit | shihanzhang proposed openstack/neutron: Ml2: don't allow updating network's attribute 'segments' https://review.openstack.org/275078 | 09:55 |
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| openstackgerrit | Jakub Libosvar proposed openstack/neutron: Compile OVS for functional tests https://review.openstack.org/266423 | 10:00 |
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| openstackgerrit | yalei wang proposed openstack/neutron: Add precommit_XXX event for security group and rules https://review.openstack.org/252755 | 10:05 |
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| openstackgerrit | Ofer Ben-Yacov proposed openstack/neutron: Add get_schema_helper_from_stream() https://review.openstack.org/262789 | 10:06 |
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| bbzhao | kevinbenton: ping. kevin. I had post back the comments. If there still some not clear ? Or I will update this patch..Thanks for help | 10:09 |
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| openstackgerrit | Ofer Ben-Yacov proposed openstack/neutron: Add get_schema_helper_from_stream() https://review.openstack.org/262789 | 10:14 |
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| ajo | HenryG ping, what's your gerrit email? I wanted to loop you in a review | 10:17 |
| ajo | ah | 10:17 |
| ajo | got you :D | 10:17 |
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| ajo | SridharG, kevinbenton , HenryG , carl_baldwin : https://review.openstack.org/#/c/271223/1 :) | 10:18 |
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| kevinbenton | bbzhao: see my comment on the patch | 10:27 |
| kevinbenton | bbzhao: that's not the inline ones | 10:27 |
| kevinbenton | bbzhao: but on the patchset | 10:27 |
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| kevinbenton | bbzhao: that's the biggest issue, i don't see how you are going to populate the standard attr stuff yet | 10:27 |
| kevinbenton | bbzhao: on get_port, etc | 10:27 |
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| namnh | ZZelle: hi Cedric Brandily | 10:28 |
| namnh | ZZelle: Are yor free ? I have some comment from the core reviewer. Could you please give me some advice with this case ? https://review.openstack.org/#/c/267470/ | 10:28 |
| namnh | s/yor/you | 10:28 |
| bbzhao | kevinbenton: OH, I will comment. Thanks | 10:28 |
| kevinbenton | bbzhao: i think i found it in 213586 | 10:29 |
| kevinbenton | bbzhao: _extend_resource_dict_timestamp, right? | 10:29 |
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| bbzhao | kevinbenton: Yeah. It is. The standard_common RESOURCE_CHECK_MAP will add this function and resource in it. And process them according this dict | 10:34 |
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| openstackgerrit | LIU Yulong proposed openstack/neutron: Use RouterProcessingQueue to process the HA router state change event https://review.openstack.org/275614 | 10:37 |
| ZZelle | namnh, at the moment i don't understand the compare and swap approach | 10:37 |
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| openstackgerrit | Moshe Levi proposed openstack/neutron: [WIP] OVS offload POC https://review.openstack.org/275616 | 10:47 |
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| openstackgerrit | Kevin Benton proposed openstack/neutron: Get rid of marshall_fdb_entries https://review.openstack.org/274605 | 10:56 |
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| bbzhao | kevinbenton: hi, kevin, the patch should be updated .And I will change the first one | 10:59 |
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| kevinbenton | bbzhao: ok. i'm going offline now. ping me again tomorrow when you're online and we can resume | 11:01 |
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| bbzhao | kevinbenton:OK. Thanks very much. | 11:02 |
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| kevinbenton | SridharG: check my comment out on your patch | 11:03 |
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| mhickey | rossella_s: Good Morning | 11:15 |
| rossella_s | mhickey, morning | 11:15 |
| mhickey | rossella_s: How are things? | 11:15 |
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| rossella_s | mhickey, good thanks! | 11:16 |
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| mhickey | rossella_s: great stuff. Good news: port, address pairs and extra dhcp patches are passing the gate! :) | 11:17 |
| rossella_s | mhickey, yay! thanks! | 11:17 |
| mhickey | rossella_s: do you want me to update the port patch with Artur's comments? | 11:18 |
| rossella_s | mhickey, yes if you want to | 11:19 |
| rossella_s | mhickey, or you can move to another task that might be more interesting | 11:19 |
| rossella_s | mhickey, brb | 11:19 |
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| mhickey | rossella_s: sure, I can do. Will i look after that patch and address pairs patch? | 11:20 |
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| namnh | ZZelle: thanks for your time. I will try more investigate about "compare and swap approach" method | 11:32 |
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| jschwarz | so what's going on with the stable gates lately? :< | 11:34 |
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| ajo | hdaniel, I sent you some comments: https://review.openstack.org/#/c/250081/12 | 11:35 |
| ajo | jschwarz, are stable gates unstable? | 11:35 |
| hdaniel | ajo: thanks | 11:35 |
| jschwarz | ajo, yeps. hello Miguel! :) | 11:35 |
| jschwarz | ajo, have a look at https://review.openstack.org/#/c/270459/2 | 11:35 |
| ajo | hdaniel, I hope there's not too much nitpick or nonsense, | 11:35 |
| * ajo looks | 11:35 | |
| jschwarz | ajo, functional for example fails for 'permission denied' | 11:35 |
| ajo | oh | 11:35 |
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| rossella_s | mhickey, sorry I am back...I guess now those patches are in a good shape, we can move on I think or maybe that's not what you meant | 11:36 |
| rossella_s | mhickey, anyway thanks a lot for you hard work! | 11:36 |
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| ajo | jschwarz, : many of the other jobs failing too | 11:37 |
| jschwarz | ajo, yeps | 11:37 |
| mhickey | rossella_s: sure, do you want me to continue on with patches and updated after review comments or do you want to handle them yourself? | 11:38 |
| jschwarz | ajo, failing jobs make John an unhappy man | 11:38 |
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| mhickey | rossella_s: I am easy either way. | 11:38 |
| rossella_s | mhickey, ah ok got it now...for the port patch I am planning to update it in the next days, I want to take out the syntethic field stuff and make it more general | 11:39 |
| rossella_s | mhickey, the allowed address pairs is all yours and thanks again for that | 11:39 |
| rossella_s | mhickey, are you looking for something else to work on? | 11:39 |
| ajo | jlibosva, ping | 11:39 |
| ajo | https://review.openstack.org/#/c/249337/10 , what's installing the OVS for tests, and where? | 11:39 |
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| ajo | jlibosva, I mean, I understood we had an experimental job for it, right? | 11:40 |
| jlibosva | ajo: no, it's part of functional job ... or will be https://review.openstack.org/#/c/266423/20 | 11:40 |
| ajo | ahh :D | 11:40 |
| jlibosva | ajo: the fw patch is just based on the compile_ovs one | 11:41 |
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| mhickey | rossella_s: ok, great. I will look after the address pairs patch and try and bring it to merged. I will return the port patch to your good hands. I will work away in the extra dhcp patch as comments come in. So yes, what do you think needs to be tackled next? | 11:41 |
| rossella_s | mhickey thanks a lot again! it's great to have you in the team :) | 11:43 |
| mhickey | rossella_s: not a bother. I am here to help and have some fun! :) | 11:43 |
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| hdaniel | ajo: I've hit a bug in RbacPluginMixin.get_rbac_policies(), after I fix it - all tests should pass, and I'll be able to go over the comments - sounds fair ? | 11:44 |
| ajo | jlibosva, and how did you trigger it with the other patch? | 11:44 |
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| ajo | hdaniel, sounds fair, of course | 11:44 |
| rossella_s | mhickey, I've just added some task in the backlog... | 11:44 |
| jlibosva | ajo: it's compiled for all functional jobs, I don't need to trigger it | 11:44 |
| ajo | but I mean, neither of the patches are merged | 11:45 |
| ajo | or is the gate one? | 11:45 |
| * ajo checks | 11:45 | |
| jlibosva | ajo: but firewall driver is based on compile patch | 11:45 |
| ajo | ahhh | 11:45 |
| ajo | jlibosva, sorry, I'm an idiot today :D | 11:45 |
| ajo | understood | 11:45 |
| mhickey | rossella_s: kewl,thanks. looking.. | 11:45 |
| ajo | (today at least, I mean) | 11:45 |
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| jlibosva | ajo: :) you certainly are not :) | 11:46 |
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| mhickey | rossella_s: Ok, nice list. So I am open. What is the highest priority and I can start there? | 11:47 |
| ajo | jlibosva, it does not let me vote in here : https://review.openstack.org/#/c/266423/20 for some reason, I added a comment, not 100% sure, | 11:48 |
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| jlibosva | ajo: sorry, I sent you not current patch | 11:48 |
| jlibosva | ajo: just remove /20 from url | 11:48 |
| jlibosva | ajo: I sent you the one that firewall patch is based on. I don't rebase everytime I send new patch for compile | 11:49 |
| rossella_s | mhickey, I'd say a way to handle composite keys but let's check with korzen if he's on it | 11:49 |
| rossella_s | korzen, are you around? | 11:49 |
| ajo | jlibosva, see? I'm truly an idiot :D | 11:49 |
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| mhickey | rossella_s: ack | 11:50 |
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| korzen | Hi rossella_s, I was about to get started with multiple keys | 11:50 |
| mhickey | Hey korzen | 11:51 |
| rossella_s | korzen, great! | 11:51 |
| * jlibosva hugs ajo | 11:51 | |
| jlibosva | ajo: it's actually my fault, I sent you wrong link :) | 11:52 |
| ajo | lol jlibosva , nah :D teamwork | 11:52 |
| * ajo needs lunch :) | 11:52 | |
| * jlibosva too | 11:52 | |
| mhickey | korzen: nice | 11:52 |
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| rossella_s | mhickey, then I guess you could work at another extension or add more tests :) you choose | 11:53 |
| korzen | rossella_s mhickey I will ping you when the patch is ready | 11:53 |
| korzen | hopefully today | 11:54 |
| mhickey | korzen: great | 11:54 |
| rossella_s | korzen, ok | 11:54 |
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| mhickey | rossella_s: what extensions are pending in the backlog? | 11:56 |
| mhickey | I am reading but don't see any in the team page.. | 11:57 |
| rossella_s | mhickey, I am checking the status with the people that are working on the remaining extensions | 11:58 |
| mhickey | rossella_s: ok, thanks | 11:59 |
| jlibosva | ajo: thanks for comments. so the --prefix will also use all other paths for data? like conf.db won't be at /usr/local ? | 12:00 |
| rossella_s | dguitarbite, what's the status of the port security extension? | 12:01 |
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| ajo | jlibosva, yes, I think that's correct | 12:02 |
| ajo | not sure if that would screw up other stuff :) | 12:02 |
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| openstackgerrit | Oleg Bondarev proposed openstack/neutron: Fix regression in routers auto scheduling logic https://review.openstack.org/275653 | 12:03 |
| rossella_s | slunkad, you are working at the sec group extension right? what's the status? | 12:05 |
| jlibosva | ajo: I guess I would just need to remove the old locks and database | 12:05 |
| slunkad | hi rossella_s | 12:05 |
| rossella_s | slunkad, hi :) | 12:05 |
| slunkad | rossella_s: I am, will push the patch upstream so you can see the progress | 12:06 |
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| rossella_s | slunkad, yep if you have something push it upstream please, you can set it WIP anyway. So we can give you feedback | 12:07 |
| slunkad | rossella_s: cool, thanks! | 12:08 |
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| rossella_s | slunkad, thank you | 12:08 |
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| openstackgerrit | Sayali Lunkad proposed openstack/neutron: Port security groups to OVO https://review.openstack.org/275664 | 12:25 |
| openstackgerrit | Kevin Benton proposed openstack/neutron: Ensure ML2's core methods not called in transaction https://review.openstack.org/275110 | 12:25 |
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| openstackgerrit | Sayali Lunkad proposed openstack/neutron: Port security groups to OVO https://review.openstack.org/275664 | 12:32 |
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| matrohon | rossella_s, hi | 12:38 |
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| rossella_s | matrohon, hi | 12:39 |
| ljxiash | Hi, | 12:39 |
| -openstackstatus- NOTICE: Infra running with lower capacity now, due to a temporary problem affecting one of our nodepool providers. Please expect some delays in your jobs. Apologies for any inconvenience caused. | 12:40 | |
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| matrohon | rossella_s, is there something wrong with the gate? : https://review.openstack.org/#/c/215467/ | 12:40 |
| matrohon | ^^ I think I have my answer... | 12:41 |
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| ljxiash | could you tell me how to know the leaving pkts/bytes of a neutron port? can I collect the RETURN pkts/bytes of each rule in iptables? | 12:42 |
| matrohon | rossella_s, you used "recheck 1" : you want to start counting the number of recheck? | 12:42 |
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| ljxiash | or just ACCEPT??? | 12:42 |
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| rossella_s | matrohon, yes that was the idea (counting). I don't want to break the gate. | 12:45 |
| matrohon | ljxiash, you can look at https://wiki.openstack.org/wiki/Neutron/Metering/Bandwidth | 12:45 |
| rossella_s | matrohon, what's your answer? | 12:45 |
| matrohon | ljxiash, but it's only for l3 port | 12:45 |
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| matrohon | rossella_s, my answer seems to be the NOTICE message in the chat room | 12:46 |
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| matrohon | rossella_s, don't you think it's the reason why every devstack jobs fails with 215467/ | 12:47 |
| ljxiash | matrohon: thank you! I am looking | 12:47 |
| rossella_s | matrohon, no...it was failing yesterday too | 12:47 |
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| matrohon | rossella_s, yep, but last jenkins check reported that every job is failing! something is wrong with the gate | 12:48 |
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| openstackgerrit | Sridhar Gaddam proposed openstack/neutron: Trigger dhcp port_update for new auto_address subnets https://review.openstack.org/271223 | 12:49 |
| rossella_s | matrohon, we agree that the failures from yesterday are not related to this outage. Right? | 12:50 |
| matrohon | rossella_s, totally, this outage seems very recent | 12:50 |
| rossella_s | matrohon, I am not saying that that patch is breaking the linuxbridge job..but..there's a possibility so I want to be sure that it's safe to merge it | 12:51 |
| matrohon | rossella_s, but I'm not sure that they are related to the patch either | 12:51 |
| rossella_s | matrohon, that's what I am saying | 12:51 |
| matrohon | rossella_s, +1 np | 12:51 |
| rossella_s | matrohon, counting the rechecks is a dummy strategy...the clever strategy is checking the failures and finding the causes. That might lead to fix the flakiness of the linuxbridge job which is also good but requires more time | 12:52 |
| matrohon | rossella_s, I just wanted to know if you were invoking a magik gate command with the "recheck 1" comment you left :) | 12:52 |
| rossella_s | matrohon, LOL | 12:52 |
| rossella_s | matrohon, anyway I am on that patch! it will get merged as soon as possible ;) | 12:53 |
| matrohon | rossella_s, thanks | 12:54 |
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| rossella_s | matrohon, a deal is a deal, I've seen you started writing the doc regarding migration, I have to do my part too ;) | 12:55 |
| matrohon | rossella_s, good deal :) | 12:55 |
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| scheuran__ | matrohon, rossella_s, the lb gate failures you were seeing with "no ipv4 found" are probably related to this bug https://bugs.launchpad.net/neutron/+bug/1523638 | 13:00 |
| openstack | Launchpad bug 1523638 in tempest "tempest fails with No IPv4 addresses found" [Undecided,In progress] - Assigned to Andreas Scheuring (andreas-scheuring) | 13:00 |
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| matrohon | scheuran__, thanks! | 13:03 |
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| openstackgerrit | Lubosz Kosnik proposed openstack/neutron: Add support for Keepalived VRRP health check https://review.openstack.org/273546 | 13:06 |
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| vikram | ajo: ping | 13:20 |
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| vikram | amotoki: ping | 13:21 |
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| openstackgerrit | Moshe Levi proposed openstack/neutron: [WIP] OVS offload POC https://review.openstack.org/275616 | 13:48 |
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| dguitarbite | rossella_s: there? | 13:55 |
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| pavel_bondar | Hi! What is the current workflow for testing db migrations? Do we write UT for them or something? | 13:58 |
| ihrachys | pavel_bondar: no, we don't. they are sanity tested in devstack jobs, also we have some functional tests that should cover some issues. | 14:00 |
| ihrachys | but nothing too extensive | 14:00 |
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| ihrachys | grenade jobs create some long standing resources and migrate them to newer release, but it's not covering advanced stuff | 14:00 |
| pavel_bondar | ihrachys: Thanks! | 14:01 |
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| openstackgerrit | Mathieu Rohon proposed openstack/neutron: Devref to explain nova-neutron interactions during live-migration https://review.openstack.org/274097 | 14:05 |
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| vikram | amotoki: ping | 14:08 |
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| rossella_s | scheuran__, matrohon yep probably...but we can't be sure. i wouldn't be so negeative but I know that trace very well and might be related to a port not bound correctly..since that patch is touching that logic...anyway thanks for the pointer scheuran__ | 14:08 |
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| scheuran__ | rossella_s, you're right, as the code touches this logic we should be careful... welcome! | 14:11 |
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| amotoki | vikram: pong | 14:14 |
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| vikram | amotoki: Need your review help for "https://review.openstack.org/#/c/205756/" | 14:15 |
| vikram | amotoki: BGP work is planned for M-3 | 14:15 |
| amotoki | vikram: how can I help you in neutornclient? | 14:15 |
| vikram | amotoki: review would be helpful... | 14:16 |
| amotoki | vikram: is it better to jump into neutorn review? | 14:16 |
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| vikram | amotoki: that would be great | 14:16 |
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| -amotoki- will be offline next 10 mins to change trains | 14:17 | |
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| openstackgerrit | Mathieu Rohon proposed openstack/neutron: Devref to explain nova-neutron interactions during live-migration https://review.openstack.org/274097 | 14:17 |
| vikram | amotoki: please help us .. we need more expert eyes on the code now to point us incorrect ;) | 14:17 |
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| amotoki | vikram: IMO neutronclient >= 4.0.0 can be used for Mitaka. BGP feature support will be a part of 4.1.0 or 4.2.0. they will be backward-compat, so we can release a new version safely. | 14:26 |
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| amotoki | vikram: "safely" means that it does not break or require updates of g-r. | 14:27 |
| mhickey_ | rossella_s: ping | 14:27 |
| vikram | amotoki: what is the deadline? | 14:27 |
| amotoki | vikram: the deadline of g-r update is just before M-3 (from my past experience) | 14:28 |
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| vikram | amotoki: ok | 14:29 |
| amotoki | vikram: but we can release newer version of neuttoncilent if a new version breaks backward-compat. | 14:29 |
| vikram | amotoki: ok | 14:29 |
| amotoki | vikram: of course i can put more priority on new features before Mitaka releaes :-) | 14:29 |
| vikram | amotoki: thanks for the help ;) | 14:30 |
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| amotoki | vikram: btw, how can we move forward SFC dashboard? is it better I chime in it more? | 14:30 |
| vikram | amotoki: BTW, i got some feedback for the CLI patch. It would be great if can do provide your concerns so that we can rework together.. | 14:31 |
| amotoki | vikram: re CLI, which review? | 14:31 |
| vikram | amotoki: mohan is looking into it | 14:31 |
| amotoki | vikram: got it (regarding SFC dashboard) | 14:31 |
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| vikram | amotoki: it would be great if you can join | 14:32 |
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| vikram | amotoki: AFAIK, Mohan is doing Horizon and Heat effort | 14:32 |
| vikram | amotoki: I am busy with BGP now ;) | 14:32 |
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| amotoki | vikram: everyone is busy including you :) | 14:33 |
| vikram | amotoki: ;) .. this is neutron | 14:33 |
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| vikram | amotoki: and love this | 14:33 |
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| vikram | amotoki: It would be really great to have your help for SFC dashboard.. | 14:34 |
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| vikram | amotoki: I tried couple of weeks back and was facing some issues and left.. | 14:34 |
| amotoki | vikram: the SFC dashboard is the first effort which support translations in neutron subprojects which use a single repo for python and dashboard code. | 14:35 |
| vikram | amotoki: We implemented in old style, referred lbaas-dashboard but it is done using angular js | 14:35 |
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| amotoki | vikram: as I18n and infra member involved in i18n effort, it is important. | 14:36 |
| amotoki | vikram: I will follow up both anyway in several days. | 14:36 |
| vikram | amotoki: ok | 14:36 |
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| vikram | amotoki: let me know how I can help | 14:36 |
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| vikram | amotoki: mohan is a dedicated resource for this activity | 14:37 |
| amotoki | vikram: thanks. re dashboard, it is honestly not related to whether angular or legacy. | 14:37 |
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| vikram | amotoki: Agreed.. I was able to integrate SFC panel successfully after that got some issue and left. | 14:38 |
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| amotoki | vikram: SFC dashboard is the last of this infra effort http://specs.openstack.org/openstack-infra/infra-specs/specs/translation_setup.html | 14:39 |
| amotoki | vikram: item 5 is related to SFC dashboard. most work to item 4 have been done. | 14:40 |
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| vikram | amotoki: got it.. | 14:41 |
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| vikram | amotoki: I think mohankumar is away... will ask him to sync up with you tomorrow.. | 14:43 |
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| amotoki | vikram: thanks. will drop a comment on the current status | 14:44 |
| amotoki | vikram: no need to rush :) | 14:44 |
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| vikram | amotoki: that would be helpful.. IMO, we are pretty close, just need some fine tuning and little re-arrangement | 14:44 |
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| vikram | amotoki: the code is already tested in the horizon repo ;) | 14:45 |
| vikram | amotoki: it works ;) | 14:45 |
| amotoki | vikram: good news! | 14:45 |
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| rossella_s | mhickey_, pong | 14:47 |
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| mhickey_ | rossella_s: Hey | 14:50 |
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| mhickey_ | rossella_s: just checking back with you about next object? | 14:51 |
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| rossella_s | mhickey_, right, thanks for pinging me. So the update is that the other extensions are in progress | 14:58 |
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| rossella_s | mhickey_, you could help bringing those patches up to shape but I don't want to ask you that, since you have already taken care of my patches | 15:00 |
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| mhickey_ | rossella_s: ok, I can see for the moment Thanks. | 15:01 |
| rossella_s | mhickey_, we need more tests, tests are always good | 15:02 |
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| rossella_s | mhickey_, you could take care of moving the handling of the synthetic fields to neutroDbObject | 15:03 |
| mhickey_ | rossella_s: ok, ack. | 15:03 |
| rossella_s | mhickey_, I wanted to do that but I don't think I will have time today or tomorow | 15:03 |
| rossella_s | mhickey_, thanks a lot again! | 15:03 |
| mhickey_ | rossella_s: np | 15:04 |
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| openstackgerrit | Swaminathan Vasudevan proposed openstack/neutron: (WIP)DVR:Pro-active router creation with live migration https://review.openstack.org/275420 | 15:05 |
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| openstackgerrit | Swaminathan Vasudevan proposed openstack/neutron: (WIP)DVR: Agent side change for live migration with floatingip https://review.openstack.org/260738 | 15:20 |
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| jschwarz | Swami, hola | 15:29 |
| jschwarz | Swami, coma estas? | 15:30 |
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| jschwarz | Swami_, hola | 15:34 |
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| Swami_ | jschwarz: hi | 15:36 |
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| jschwarz | Swami_, como estas? :) | 15:36 |
| Swami_ | jschwarz: I am in a meeting, can you ping me later | 15:36 |
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| jschwarz | Swami_, sure thing | 15:36 |
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| Swami_ | jschwarz: ping | 16:03 |
| jschwarz | Swami_, hola, thanks for pinging me back :) | 16:03 |
| Swami_ | jschwarz: no problem, just finished my meeting | 16:04 |
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| jschwarz | Swami_, I was interested in knowing if there was any DVR work I can do - patches people can't get to, refactoring, bugs, reviews... | 16:04 |
| Swami_ | jschwarz: right now the multinode failures are of concern, can you take a look at those, I have a patch for live migration, so any other test failures that are not related to live migration, it is worth to take a look at it. | 16:05 |
| jschwarz | Swami_, sure thing. I know you guys pushed a patch re: multinode failures - did you figure out the fail points other than live migrations? | 16:06 |
| Swami_ | we are seeing more failures on volume-boot-pattern, that would be a valid test case to address. | 16:07 |
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| jschwarz | Swami_, Okies, will look into it :) | 16:08 |
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| Swami_ | jschwarz: thanks | 16:08 |
| jschwarz | Swami_, did I *just* miss the weekly dvr meeting? | 16:09 |
| jschwarz | my bad :< | 16:09 |
| Swami_ | jschwarz: yes I was in the dvr meeting | 16:09 |
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| jschwarz | Swami_, I'll look at the logs and get myself updated then | 16:09 |
| Swami_ | jschwarz: thanks | 16:10 |
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| jschwarz | thank you :) | 16:10 |
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| openstackgerrit | Victor Morales proposed openstack/neutron: WIP SubnetPool OVO https://review.openstack.org/275789 | 16:12 |
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| openstackgerrit | Swaminathan Vasudevan proposed openstack/neutron: DVR: Handle unbound allowed_address_pair port with FIP https://review.openstack.org/254439 | 16:13 |
| openstackgerrit | Artur Korzeniewski proposed openstack/neutron: db_api: added composite key to handle multiple primary key https://review.openstack.org/275790 | 16:14 |
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| korzen | mhickey_, rossella_s https://review.openstack.org/#/c/275790 db_api: added composite key to handle multiple primary key | 16:18 |
| mhickey_ | korzen: thanks. will take a look when I get a chance. | 16:18 |
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| tmorin | hi ihrachys, we discussed with davidsha about https://review.openstack.org/#/c/267591/ | 16:42 |
| tmorin | ihrachys: having your opinion on my suggestion would be nice | 16:42 |
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| openstackgerrit | Adolfo Duarte proposed openstack/neutron: HA for DVR - Neutron Server side code changes https://review.openstack.org/143169 | 16:43 |
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| tmorin | ihrachys: the suggestion is to subclass OVSBridge to make a cookie-adding bridge, thus allowing all bridge operations (including install_arp_responder() or install_arp_responder()) to be made easily accessible to an extension | 16:44 |
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| tmorin | ihrachys: that would also avoid duplicating four methods for both br_int and br_tun, and provide without an extra cost access to add_patc_port, getting a deferred bridge etc. | 16:45 |
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| ihrachys | tmorin: ok, I will try check it asap. tomorrow the earliest though. | 16:46 |
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| tmorin | ihrachys: np, thanks ! | 16:47 |
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| dasm | good time, everyone | 16:52 |
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| mhickey_ | dasm: you too | 16:53 |
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| openstackgerrit | YAMAMOTO Takashi proposed openstack/neutron: sub_project_guidelines: Document the procedure to make a branch EOL https://review.openstack.org/272381 | 17:07 |
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| prometheanfire | can you still not assign a floating IP to multiple instances? | 17:26 |
| prometheanfire | or even non-float | 17:27 |
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| openstackgerrit | Dustin Lundquist proposed openstack/neutron: devref doc config option separation https://review.openstack.org/275381 | 17:31 |
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| xgerman | ihrachys I am new to versioned objects and I am wondering if you can have a brief look at https://review.openstack.org/#/c/274914/ and let me know if I am on the right track | 17:49 |
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| dougwig | xgerman: you should also ask mugsie to take a look, as he just did that for kosmos | 17:49 |
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| xgerman | good point… but I like to leverage the Neutron libs + mugsie is not using sqlachemy | 17:52 |
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| openstackgerrit | Abhishek Chanda proposed openstack/python-neutronclient: Generalize the disable-snat flag https://review.openstack.org/275881 | 18:45 |
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| openstackgerrit | Russell Bryant proposed openstack/neutron: Update Neutron sub-project inclusion criteria. https://review.openstack.org/275888 | 18:55 |
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| fishbone | Hi Sam_I_Am: I have an update if you are available.... | 19:34 |
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| fishbone | After looking into the "window full" message I went ahead and adjusted the window size option to disabled in the windows instance | 19:35 |
| fishbone | I am now able to download files for the most part but I still cannot run windows updates | 19:35 |
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| fishbone | Also I am not sure how scaling the tcp window size affects network connectivity; is it a good practice to disable autotuneing for it? | 19:36 |
| Sam-I-Am | thats an odd thing that should just work | 19:36 |
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| doffm | Hi, could anyone here take a look at a nova bug? Its about needing admin context for port binding with the port binding extension. | 19:39 |
| doffm | https://bugs.launchpad.net/nova/+bug/1540939 | 19:40 |
| openstack | Launchpad bug 1540939 in OpenStack Compute (nova) "Instance delete causing port leak" [Undecided,New] | 19:40 |
| doffm | I'm confused as to why the admin context is needed when the port binding extension is present. | 19:40 |
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| sc68cal | doffm: it is most likely because of the interactions between nova and neutron for live migration | 19:45 |
| doffm | sc68cal: Any chance you could explain? | 19:45 |
| sc68cal | doffm: when migrating an instance between compute nodes, the port binding information is updated to reflect where the vm is being migrated to | 19:46 |
| sc68cal | doffm: but stepping back, do you actually have results that show ports being leaked, or is this bug a fishing expedition | 19:46 |
| sc68cal | or did you alter the policy.json for port binding in your installation | 19:47 |
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| doffm | sc68cal: Its an actual leak at our end, but that is almost certainly due to policy.json issues. | 19:47 |
| doffm | There have been alot of them. | 19:48 |
| njohnston | Do folks have any particular practice when triaging bugs auto-generated from DocImpact tags? Are these generally "medium" or "low" priority, for example? Just making sure that if there is a common practice for this, that I follow it. Bug in question: https://bugs.launchpad.net/neutron/+bug/1541192 | 19:48 |
| openstack | Launchpad bug 1541192 in neutron " Set default value for dnsmasq_local_resolv to False" [Undecided,New] | 19:48 |
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| Sam-I-Am | njohnston: depends on the impact of the docs change | 19:48 |
| fishbone | Sam_I_Am: does the TCP window size have anything to do with MTU size? Again, I am not too network savvy | 19:48 |
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| sc68cal | doffm: meaning - did you change the policy.json for that api call? What did you change it to? Or is it unchanged from admin_only | 19:50 |
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| Sam-I-Am | in other words, is this change relevant to lots of people? | 19:51 |
| Sam-I-Am | fishbone: well, there's tcp mss | 19:51 |
| Sam-I-Am | which is more or less the 'mtu' for tcp itself | 19:51 |
| Sam-I-Am | that should be based on mtu though | 19:52 |
| Sam-I-Am | i have seen issues on physical networks with mtu changes where mss 'clamping' is required | 19:52 |
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| fishbone | Sam_I_Am: This change is for the base image for everyone; but at the moment not too many people rely on the instances | 19:53 |
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| fishbone | Would you be able to explain clamping to me a bit more? | 19:54 |
| doffm | sc68cal: TBH i'm not sure. I will go find out. Is port binding usually set to admin_only? | 19:55 |
| sc68cal | doffm: it is, out of the box | 19:55 |
| Sam-I-Am | fishbone: i'm in the middle of stuff now - best place is probably googling for it. lots of stuff there to help. | 19:55 |
| doffm | sc68cal: What about unbinding & delete? | 19:56 |
| fishbone | No problem; do you think it's safe to rule out MTU or the neutron setup altogether as a source of the issue? | 19:56 |
| sc68cal | doffm: delete_port is admin, owner, and network owner | 19:57 |
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| sc68cal | update_port:binding:* is admin_only | 19:57 |
| doffm | sc68cal: Thanks. | 19:57 |
| sc68cal | at least in HEAD | 19:57 |
| sc68cal | yep - same in kilo | 19:58 |
| openstackgerrit | Abhishek Chanda proposed openstack/python-neutronclient: Generalize the disable-snat flag https://review.openstack.org/275881 | 19:58 |
| Sam-I-Am | fishbone: if you're using the linux bridge agent, your network is 1500, your vm is on a vxlan network and uses 1450, and you did that hack i mentioned to set the mtu of the QR interface inside the qrouter namespace to 1450... i cant see this being an mtu problem anymore unless there's a piece missing. | 19:58 |
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| fishbone | Ok, I will look deeper into the window scaling factor some more. Thanks so much for all your help. If I get stuck again I hope it's ok for me to reach out some more | 20:00 |
| sc68cal | fishbone: please do | 20:00 |
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| ccarmack | sc68cal: thanks for the help | 20:03 |
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| sc68cal | ccarmack: no problem. I'm here on IRC and also now subbed to the bug | 20:07 |
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| prometheanfire | can this work with neutron via allowed_address_pairs https://www.inlab.de/load-balancer/example3.html | 20:13 |
| prometheanfire | I think it should work, but dunno | 20:13 |
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| openstackgerrit | Swaminathan Vasudevan proposed openstack/neutron: (WIP)DVR:Pro-active router creation with live migration https://review.openstack.org/275420 | 20:44 |
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| carl_baldwin | kevinbenton: ping | 20:45 |
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| openstackgerrit | James Arendt proposed openstack/python-neutronclient: [WIP] Implement FWaaS V2 CLI https://review.openstack.org/275473 | 21:02 |
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| openstackgerrit | Kyle Mestery proposed openstack/neutron: Update Neutron sub-project inclusion criteria. https://review.openstack.org/275888 | 21:19 |
| openstackgerrit | Kyle Mestery proposed openstack/neutron: Update Neutron sub-project inclusion criteria. https://review.openstack.org/275888 | 21:19 |
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| kevinbenton | carl_baldwin: pong | 21:23 |
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| openstackgerrit | Kyle Mestery proposed openstack/neutron: Update Neutron sub-project inclusion criteria. https://review.openstack.org/275888 | 21:29 |
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| Swami | kevinbenton: can you take a look at the patch. https://review.openstack.org/#/c/275073/ - this has the changes for live migration from nova | 21:31 |
| Swami | kevinbenton: this is based on our discussion we had | 21:31 |
| Swami | kevinbenton: for the neutron side patches take a look at - https://review.openstack.org/#/c/275420/ | 21:32 |
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| kevinbenton | Swami: sure, in a meeting atm. will check it out in an hour or so | 21:35 |
| Swami | kevinbenton: thanks | 21:35 |
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| openstackgerrit | Russell Bryant proposed openstack/neutron: Update Neutron sub-project inclusion criteria. https://review.openstack.org/275888 | 21:40 |
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| openstackgerrit | Victor Howard proposed openstack/python-neutronclient: Adding DSCP chnages to neutronclient https://review.openstack.org/254280 | 22:15 |
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| carl_baldwin | kevinbenton: ping | 22:22 |
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| kevinbenton | carl_baldwin: pong | 22:27 |
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| carl_baldwin | kevinbenton: Can you tell me what a dynamic segment is? | 22:27 |
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| kevinbenton | carl_baldwin: during heirarchical port binding, a segment can be dynamically allocated | 22:29 |
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| kevinbenton | carl_baldwin: (e.g. a VLAN segment just between a compute node and a Tor) | 22:29 |
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| kevinbenton | carl_baldwin: then the main segment for the network still remains VXLAN or whatever | 22:30 |
| carl_baldwin | kevinbenton: I guess I should review HPB. | 22:30 |
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| kevinbenton | carl_baldwin: https://github.com/openstack/neutron/blob/master/neutron/plugins/ml2/models.py#L42-L43 | 22:30 |
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| kevinbenton | carl_baldwin: it's my understanding that the segments created for HPB will all be dynamic | 22:30 |
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| kevinbenton | rkukura: are you around? | 22:31 |
| kevinbenton | rkukura: i had some assumptions about HPB and the segments and they may not be correct | 22:31 |
| rkukura | kevinbenton: I’m in a webex meeting. | 22:31 |
| kevinbenton | rkukura: ok | 22:32 |
| rkukura | Is this related to the routed networks? | 22:32 |
| kevinbenton | rkukura: yes | 22:32 |
| rkukura | I need to read that spec and the comments on it. | 22:32 |
| rkukura | I can try to answer quick questions in the meantime though | 22:32 |
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| openstackgerrit | Doug Wiegley proposed openstack/neutron: WIP - Get tempest via zuul-cloner if needed and it is available https://review.openstack.org/274181 | 22:34 |
| kevinbenton | rkukura: are there any cases where HPB will wire up multiple non-dynamic segments? | 22:34 |
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| rkukura | With HPB, a network would typically have one (or more) static segments, plus the dynamic segments | 22:34 |
| rkukura | Nothing prevents it from having multiple static segments, as long as these are bridged somehow | 22:35 |
| kevinbenton | rkukura: right, but HPB isn't used for bridge multiple static segments together, is it? | 22:35 |
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| rkukura | HPB can also be used as a way to “filter” a set of static segments without creating dynamic segments | 22:35 |
| kevinbenton | rkukura: like a single port binding process won't bind to a bunch of static segments | 22:35 |
| rkukura | HPB doesn’t manage the bridging, but assumes something takes care of this | 22:36 |
| rkukura | In the case of a ToR switch, the MD for the switch is configuring the bridging to the dynamic segments | 22:36 |
| kevinbenton | rkukura: that's just the generic assumption of all segments in a network being L2 bridged, correct? | 22:36 |
| kevinbenton | rkukura: as in, HPB doesn't do anything specifically that depends on that assumption | 22:37 |
| rkukura | right, prior to the l2_adjacency attribute beiong added, I guess | 22:37 |
| rkukura | Without this new attribute, the neutron model is that a network is an L2 broadcast domain | 22:37 |
| kevinbenton | rkukura: ok, i think my assumptions are correct then that what we are proposing shouldn't break HPB | 22:38 |
| kevinbenton | rkukura: but having your feedback on the spec would be good | 22:38 |
| rkukura | Its on my to-do list | 22:38 |
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| openstackgerrit | James Arendt proposed openstack/python-neutronclient: Make metavar usage consistent https://review.openstack.org/275962 | 22:42 |
| carl_baldwin | kevinbenton: I'm still not settled on the issue of how to default l2_adjacency | 22:42 |
| carl_baldwin | kevinbenton: I'm wondering if we should change the field to "routed" or something and default it to false. | 22:43 |
| openstackgerrit | Manjeet Singh Bhatia proposed openstack/python-neutronclient: Add commands for network_ip_availability. https://review.openstack.org/269926 | 22:44 |
| kevinbenton | carl_baldwin: well i viewed it the same as the vlan_transparent option | 22:44 |
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| kevinbenton | carl_baldwin: where it's a way for the user to understand if they have a certain guaruntee | 22:45 |
| carl_baldwin | kevinbenton: The problem is that we currently have no way to know for existing networks unless we make the assumption that rkukura has stated. | 22:46 |
| rkukura | Hasn’t the definition of network in quantum/neutron alwats been an “L2 domain”? | 22:47 |
| carl_baldwin | kevinbenton: As long as we don't explicitly say whether networks have L2 adjacency then its okay to let everyone assume that they all do. But, as soon as we add an explicit attribute, then we've got to default it to false for multi-segment networks because we can't lie to them. | 22:49 |
| rkukura | The L2 design spec, code, presentations, etc., have always said that their has to L2 bridging between the segments of a (L2) network | 22:50 |
| rkukura | s/has to L2/has to be L2/ | 22:51 |
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| openstackgerrit | Salvatore Orlando proposed openstack/neutron: Pecan: replace dashes with underscores on controller lookup https://review.openstack.org/272312 | 22:54 |
| openstackgerrit | Salvatore Orlando proposed openstack/neutron: Pecan: wrap PUT response with resource name https://review.openstack.org/272313 | 22:55 |
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| openstackgerrit | Manjeet Singh Bhatia proposed openstack/python-neutronclient: Add commands for network_ip_availability. https://review.openstack.org/269926 | 23:04 |
| kevinbenton | carl_baldwin: right, that's why I said false if multiple was the right thing to do | 23:06 |
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| rkukura | kevinbenton, carl_baldwin: I don’t see why you are saying l2_adjacency should be false for existing multi-segment networks. The assumption has always been so far that they are single L2 domains. For example, all subnets on a network can span all segments, and a single DHCP server can serve all segments. | 23:08 |
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| carl_baldwin | kevinbenton: I don't see how to do that without breaking existing multi-segment networks because we're going to set adjacency to false and start treating it as such. | 23:08 |
| carl_baldwin | kevinbenton: Seems like that will break them right away. | 23:08 |
| rkukura | I think default has to be true, regardless of whether the network has multiple segments or not. | 23:08 |
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| kevinbenton | rkukura, carl_baldwin: that flag being false won't break anything | 23:14 |
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| kevinbenton | All it will say is to the user that we can't guarantee l2 adjacency | 23:14 |
| rkukura | But don’t all current neutron networks guarantee L2 adjacency? | 23:14 |
| kevinbenton | The multi segment ones might not | 23:15 |
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| kevinbenton | I'm not aware of any drivers that correctly do multi segment networks | 23:15 |
| kevinbenton | rkukura: are you? | 23:15 |
| rkukura | multi-segment networks are created by admins (usually provider networks) or some other orchestration layer above neutron | 23:16 |
| rkukura | Think of an external network that is on VLAN 100 in one rack and on VLAN 7 on a another rack. The admin knows these are the same L2 external network. He’d configure it as a provider network with two segments, one for each rack. | 23:17 |
| carl_baldwin | kevinbenton: It isn't just what we're telling the user. It is also what we're doing internally with such networks (like scheduling DHCP servers for each segment) | 23:18 |
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| rkukura | All of this makes me wonder if routed networks really should be a different neutron resource that is composed of real neutron networks, subnets, and maybe even routers. ;) | 23:20 |
| kevinbenton | rkukura: does this ever happen? IIRC the neutron client does not even support multi segment networks | 23:20 |
| rkukura | kevinbenton: mestery once figured out how to use the client to create multi-segment networks | 23:21 |
| carl_baldwin | rkukura: Like IpNetworks? Yeah, we've been down that road. There is no good path to get there. | 23:22 |
| openstackgerrit | Brandon Logan proposed openstack/python-neutronclient: Add commands for network_ip_availability. https://review.openstack.org/269926 | 23:22 |
| rkukura | carl_baldwin: That’s why I winked | 23:22 |
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| kevinbenton | I'll need to think about this more. I really dislike dummy values in the API that aren't a result of explicit information from the plugin | 23:23 |
| rkukura | What I’d really like to see is a generalized way to pass —nic params to nova that might reference normal neutron networks, ipNetworks, EPGs, or whatever, and it would just work as long as the thing could create a port | 23:24 |
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| carl_baldwin | rkukura: If you ask Nova, they just want a port. They don't want to add new ways to pass networks, or anything else. | 23:28 |
| rkukura | carl_baldwin: Exactly. Nova should have plugable nic drivers. The param after —nic would select the nic driver, and that nic driver would interpret whatever comes after and return a port | 23:28 |
| kevinbenton | Nova isn't really the issue, the migration to a port with an ip network will be really difficult in neutron | 23:29 |
| kevinbenton | rkukura: no, just pass the port to nova | 23:29 |
| rkukura | kevinbenton: This is where I need to go read the spec | 23:29 |
| kevinbenton | rkukura: they want to move away from Nova doing the work of constructing it | 23:29 |
| rkukura | kevinbenton: You can just pass the port to nova, but that means the user has to know how to create the port, and is then responsible for deleting the port | 23:29 |
| carl_baldwin | kevinbenton: Right, that's what I was trying to say. And, you're right, Nova isn't the big problem with that approach. | 23:30 |
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| kevinbenton | rkukura: but Nova shouldn't be the network API | 23:31 |
| kevinbenton | rkukura: for instances | 23:31 |
| rkukura | kevinbenton: I agree, but the notion of passing nova a thing that generates port is much nicer for the user than requiring the user to create the port | 23:32 |
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| kevinbenton | rkukura: what would be in nic params? | 23:33 |
| kevinbenton | That the user is passing | 23:33 |
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| kevinbenton | What would Nova do with it, just throw a json blob at neutron and see if it sticks? | 23:34 |
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| kevinbenton | The issue there is that there is no way for Nova to provide help text or validate input | 23:35 |
| rkukura | kevinbenton: My spontaneous proposal is that the param after —nic would select a pluggable driver from a python namespace. For example, “-net” would find a nic driver named “net”, “-port” would find one named “port”, and “-ipnet” would find one named “ipnet”. | 23:35 |
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| kevinbenton | So Nova would have a bunch of networking drivers then? | 23:36 |
| rkukura | Each of these would interpret the following token, i.e. as a network, port, or ipNetwork, respectively | 23:36 |
| * carl_baldwin stays out of the nova part of this discussion. | 23:37 | |
| rkukura | These would be really simple pieces of python code that simply interpret an are and produce a real neutron port. The IP address and all that would still be obtained from the port. | 23:37 |
| kevinbenton | So the Nova server has these drivers, right? | 23:38 |
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| kevinbenton | Well Nova compute nodes would need them actually | 23:38 |
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| openstackgerrit | ZhaoBo proposed openstack/neutron: Add standard attribute functions https://review.openstack.org/251193 | 23:39 |
| kevinbenton | So whatever is passed on the CLI can not be validated until port creation time on the compute node | 23:39 |
| rkukura | kevinbenton: I’m not sure what part of nova currently does the create_port calls, etc. | 23:39 |
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| rkukura | kevinbenton: Keep in mind this is just a glimmer of an idea, not a fleshed out proposal. I’m sure their are gochas | 23:40 |
| kevinbenton | Either way, user input can no longer be validated until after scheduling | 23:40 |
| kevinbenton | I suppose the drivers could have a validation method | 23:40 |
| kevinbenton | That the API server runs | 23:41 |
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| rkukura | kevinbenton: Of course nova scheduling might also need to call these drivers to find out where the requested network connectivity is available ;) | 23:44 |
| carl_baldwin | kevinbenton: I'm actually thinking of getting rid of the l2 adjacency flag. Any new routed networks behavior can be triggered by associating subnets with segments. In this case, the flag is just informational for the user and isn't really all that important anyway. | 23:44 |
| rkukura | carl_baldwin: That may be worth considering, but please don’t make the assumption that subnets never span network segments. | 23:45 |
| carl_baldwin | rkukura: Wasn't going to. | 23:45 |
| carl_baldwin | At this point, a subnet either spans all segments or is bound to one. | 23:45 |
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| carl_baldwin | rkukura: I don't plan to introduce subnets that span more than one but not all segments at this time. | 23:46 |
| rkukura | carl_baldwin: I’d say that at this point (prior to routed nets being added), all subnets on a network can span all segments of that network. | 23:46 |
| carl_baldwin | rkukura: That assumption will continue. It is only changed by an explicit association of a subnet to a segment. | 23:47 |
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| carl_baldwin | rkukura: kevinbenton: Thanks for the chat. I've got to duck out early today (its Wednesday). | 23:48 |
| rkukura | carl_baldwin: no problem. I also need to duck out | 23:49 |
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| carl_baldwin | rkukura: kevinbenton: Honestly, I think there are good reasons to make it default both ways. They seem to conflict and so I think my answer will be to not write any code that depends on the value. If we add l2adjacency flag to the network then we can discuss it independently of this blueprint. | 23:50 |
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| kevinbenton | carl_baldwin: I'm fine with tabling it for now to move forward | 23:54 |
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| rkukura | kevinbenton, carl_baldwin: I will comment on the review, but feel free to ping me if you’d like to discuss again | 23:55 |
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| carl_baldwin | kevinbenton: I'm actually thinking it is wise not to key off the value anywhere in code | 23:56 |
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