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kevinbenton | amuller, armax: two routers connected to different external networks! | 00:07 |
---|---|---|
kevinbenton | is the use case | 00:07 |
kevinbenton | that everyone is clamoring for | 00:07 |
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armax | kevinbenton: care to elaboratE? | 00:08 |
kevinbenton | if you have multiple external networks | 00:08 |
armax | HenryG: ping | 00:08 |
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kevinbenton | and want some servers on one network to use one external network and the rest to use the other | 00:09 |
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armax | you mean have multiple routers connect to it? | 00:09 |
armax | them | 00:09 |
kevinbenton | yeah | 00:09 |
kevinbenton | i was giving a potential use case for the scenario you guys were talking about | 00:09 |
armax | isn’t the workflow to do something like that different, though? | 00:09 |
armax | don’t we set the gateway on the router in that case? | 00:10 |
kevinbenton | a router can only have one gateway | 00:10 |
kevinbenton | if some of your network members need one external network and some need a different one, you will need multiple routers | 00:10 |
armax | right | 00:11 |
kevinbenton | it's a pretty strange corner case though that could be better supported by allowed multiple external networks on the router | 00:11 |
kevinbenton | with PBR to control choice of external network | 00:12 |
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ijw_ | Can you even change the network the external interface uses? | 00:15 |
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HenryG | armax: pong | 00:19 |
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amuller | ijw_: teah | 00:21 |
amuller | yeah* | 00:21 |
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amuller | ijw_: even horizon supports it, when you set a router as a gateway you can select which external network it should plug in to | 00:26 |
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ijw_ | amuller: huh. Never felt the need, but I assumed with floating IPs and NAT and the like there would be just one external network (not least considering the --router:external flag) | 00:27 |
amuller | ijw_: generally multiple external networks work | 00:29 |
amuller | also multiple subnets on an external network | 00:29 |
ijw_ | Yeah, well, I presume multiple ipv4 subnets work as they do on tenant networks - allocation would seem to be exactly the same between the two | 00:31 |
amuller | yep | 00:31 |
amuller | IPAM is still very basic | 00:32 |
amuller | gotta go, have a great long weekend everyone | 00:33 |
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armax | HenryG: question on | 00:33 |
armax | https://review.openstack.org/#/c/169641/ | 00:33 |
openstackgerrit | Swaminathan Vasudevan proposed openstack/neutron: Fix dynamic arp populate error for dvr routers https://review.openstack.org/170323 | 00:34 |
HenryG | armax: what is the question? | 00:34 |
armax | besides the stuff inline do you think the patch is ready to merge? | 00:34 |
armax | HenryG: if so, maybe you and I can whip it up and merge it without waiting the timezone lag | 00:35 |
HenryG | armax: yes, it's only the naming convention | 00:35 |
armax | HenryG: let’s do it | 00:36 |
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HenryG | armax: let me ping hanzhang and wait a few minutes | 00:36 |
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armax | hanzhang: is he around? | 00:36 |
HenryG | armax: that is what I am checking :) | 00:37 |
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armax | HenryG: okeydokey | 00:37 |
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HenryG | armax: I am setting a timer on 30 minutes, if no response then we go ahead. OK? | 00:39 |
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armax | 30 mins from now? My clock already says 26 mins | 00:40 |
armax | :) | 00:40 |
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HenryG | armax: what's up with the timeouts in the functional test for https://review.openstack.org/167357 ? | 00:54 |
armax | just talking to marun about this | 00:55 |
armax | marun: ^^^ | 00:55 |
armax | this is showing up since a couple of days | 00:55 |
armax | http://logstash.openstack.org/#eyJzZWFyY2giOiJtZXNzYWdlOlwiZXZlbnRsZXQudGltZW91dC5UaW1lb3V0OiA2MCBzZWNvbmRzXCIiLCJmaWVsZHMiOltdLCJvZmZzZXQiOjAsInRpbWVmcmFtZSI6IjYwNDgwMCIsImdyYXBobW9kZSI6ImNvdW50IiwidGltZSI6eyJ1c2VyX2ludGVydmFsIjowfSwic3RhbXAiOjE0MjgwMjI0NjU0OTcsIm1vZGUiOiIiLCJhbmFseXplX2ZpZWxkIjoiIn0= | 00:55 |
openstackgerrit | shihanzhang proposed openstack/neutron: Add index for port https://review.openstack.org/169641 | 00:55 |
marun | I wonder why we're timing out at 60s instead of 90 | 00:55 |
marun | did that change and I didn't notice? | 00:55 |
marun | should be 90 | 00:56 |
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marun | At the least we should track down where the 60s timeout is being set | 00:56 |
marun | https://github.com/openstack/neutron/blob/master/tox.ini#L46 | 00:56 |
armax | marun: agreed | 00:56 |
armax | I guess that’s something to figure out | 00:56 |
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HenryG | armax: hanzhang has posted a new patch for https://review.openstack.org/169641 | 00:57 |
armax | HenryG: yup I saw | 00:57 |
marun | arg | 00:57 |
marun | monitor is setting a local timeout | 00:57 |
marun | https://github.com/openstack/neutron/blob/master/neutron/tests/functional/agent/linux/test_ovsdb_monitor.py#L98 | 00:57 |
armax | HenryG: you go ahead | 00:57 |
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armax | HenryG: I’ll follow you shortly | 00:57 |
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HenryG | ok | 00:58 |
armax | HenryG: filing a but about this | 00:58 |
armax | thanks | 00:58 |
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HenryG | armax: filing a what about what?? | 00:58 |
armax | functional job failure | 00:58 |
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marun | armax: I wonder what merged to start causing this... | 01:01 |
marun | armax: starting a monitor shouldn't be a problem, but maybe the native testing is complicating things | 01:01 |
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armax | logstash is not unveiling any obvious culprit | 01:01 |
armax | marun: I am still poking around | 01:01 |
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armax | john’s change has been the first instance of the failure | 01:02 |
armax | but it’s the one where the failure happened the most | 01:03 |
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armax | marun: I wonder if https://review.openstack.org/#/c/168513/ might help us mask the issue | 01:05 |
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armax | marun: what do you reckon? | 01:05 |
marun | armax: worth a try | 01:05 |
armax | the way I get this is that we skip vsctl tests altogether | 01:05 |
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marun | armax: methinks we might need to consider userspace instances of ovs before long | 01:06 |
marun | armax: per-worker | 01:06 |
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armax | marun: agreed | 01:06 |
armax | marun: amuller is not online…I am gonna try and rebase the change and repost it for review | 01:06 |
marun | armax: sounds good | 01:06 |
armax | marun: ok | 01:06 |
armax | marun: I shan’t be long, you’re gonna stick around? | 01:07 |
marun | armax: sure | 01:07 |
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armax | oki | 01:07 |
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armax | marun: looking at the merge conflict…I may need more time ;) | 01:12 |
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armax | looking at https://review.openstack.org/#/c/165866/ | 01:12 |
openstackgerrit | Maru Newby proposed openstack/neutron: Fix functional test using local timeout value https://review.openstack.org/170327 | 01:12 |
marun | armax: no guarantee but that might help too ^ | 01:12 |
armax | marun: looking | 01:12 |
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marun | armax: arg, fail | 01:13 |
armax | marun: what do you mean? | 01:13 |
openstackgerrit | Maru Newby proposed openstack/neutron: Fix functional test using local timeout value https://review.openstack.org/170327 | 01:14 |
marun | that should do it | 01:14 |
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openstackgerrit | Jiaqiang Liu proposed openstack/neutron-specs: Implements : Blueprint user-centric-naas https://review.openstack.org/169207 | 01:15 |
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openstackgerrit | Armando Migliaccio proposed openstack/neutron: Fix functional test using local timeout value https://review.openstack.org/170327 | 01:18 |
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openstackgerrit | Brian Haley proposed openstack/neutron: Add ipset element and hashsize tunables https://review.openstack.org/170328 | 01:21 |
openstackgerrit | Kyle Mestery proposed openstack/neutron: Add API tests for subnet-create with subnetpool https://review.openstack.org/170208 | 01:22 |
openstackgerrit | Maru Newby proposed openstack/neutron: Merge unit test modules targeting the same module https://review.openstack.org/170329 | 01:23 |
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openstackgerrit | Maru Newby proposed openstack/neutron: Merge unit test modules targeting the same module https://review.openstack.org/170329 | 01:54 |
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openstackgerrit | shihanzhang proposed openstack/neutron: Fix 'router_gateway' port status can't be updated https://review.openstack.org/151501 | 02:27 |
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openstackgerrit | Andrew Boik proposed openstack/neutron: Support multiple IPv6 prefixes on internal router ports https://review.openstack.org/156360 | 02:54 |
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openstackgerrit | Andrew Boik proposed openstack/neutron: Support multiple IPv6 prefixes on internal router ports https://review.openstack.org/156360 | 02:57 |
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openstackgerrit | Merged openstack/neutron: Add API tests for Neutron DVR extension https://review.openstack.org/167357 | 03:07 |
openstackgerrit | Merged openstack/neutron: Fix functional test using local timeout value https://review.openstack.org/170327 | 03:07 |
HenryG | hanzhang: hi | 03:12 |
hanzhang | yes | 03:12 |
HenryG | hanzhang: can you take a look at bug #1439817 | 03:12 |
openstack | bug 1439817 in neutron "IP set full error in kernel log" [High,In progress] https://launchpad.net/bugs/1439817 - Assigned to Brian Haley (brian-haley) | 03:12 |
hanzhang | let me see | 03:13 |
HenryG | hanzhang: haleyb proposed fix, please review: https://review.openstack.org/170328 | 03:13 |
HenryG | hanzhang: I am signing off for the night. Please comment on the bug and the review if you have any ideas. | 03:14 |
hanzhang | ok | 03:15 |
HenryG | thanks | 03:15 |
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openstackgerrit | Andrew Boik proposed openstack/neutron: Support multiple IPv6 prefixes on internal router ports https://review.openstack.org/156360 | 03:19 |
openstackgerrit | Andrew Boik proposed openstack/neutron: Support multiple IPv6 prefixes on internal router ports https://review.openstack.org/156360 | 03:19 |
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openstackgerrit | Merged openstack/neutron: Add index for port https://review.openstack.org/169641 | 03:32 |
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hanzhang | HenryG: I have commit comments for patch 170328 | 03:55 |
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hanzhang | who can help review this patch:https://review.openstack.org/#/c/151501/ | 04:05 |
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openstackgerrit | watanabe isao proposed openstack/neutron: Make sure OVS restarts when Exception occurred https://review.openstack.org/169975 | 05:24 |
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openstackgerrit | OpenStack Proposal Bot proposed openstack/neutron: Imported Translations from Transifex https://review.openstack.org/169635 | 06:14 |
willemgf | Hi, We try to setup a vxlan-tunnel with neutron which seems not to work. Following design has been made: 1 trunked bond-interface which should be used for the vxlan-tunnel. 1 trunked bond-interface for public network (PUB) and 1 trunked bond-interface for internal management network (OOB). Both the PUB and OOB should go over the vxlan-tunnel. Is this possible? | 06:16 |
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openstackgerrit | Grzegorz Grasza (xek) proposed openstack/python-neutronclient: Update neutronclient shell to use shared arguments from Session https://review.openstack.org/170370 | 07:46 |
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willemgf | Hi all, Is there anywhere some good howto-ducumentation available on how to setup vxlan-tunnel with neutron? | 08:12 |
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openstackgerrit | Merged openstack/neutron: Imported Translations from Transifex https://review.openstack.org/169635 | 08:32 |
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openstackgerrit | dql proposed openstack/neutron: fix DHCP port changed when dhcp-agent restart https://review.openstack.org/162522 | 08:48 |
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openstackgerrit | Adrien Cunin proposed openstack/neutron: Use "regionOne" case in metadata agent conf https://review.openstack.org/169222 | 09:56 |
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openstackgerrit | Elena Ezhova proposed openstack/neutron: [WIP]: Add handling of SIGHUP https://review.openstack.org/161732 | 10:03 |
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tvb | hi can anyone help me? My instance is not receiving the correct nameservers i've configured in the neutron subnet | 10:33 |
tvb | subnet-show https://gist.github.com/tvb/26f69441f07eaa7873e7 | 10:34 |
tvb | lease file on server https://gist.github.com/tvb/f2cee76f0b1536fce89f | 10:34 |
tvb | I have tried to remove the lease file, rebooted the instance, renewed the dhcp lease etc but nothing seems to help | 10:35 |
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tvb | anyone? | 10:39 |
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openstackgerrit | Ankit Agrawal proposed openstack/neutron: Remove use of contextlib.nested https://review.openstack.org/167677 | 11:15 |
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openstackgerrit | Paul Michali proposed openstack/neutron-vpnaas: VPNaaS: Refactoring to use callback mechanism https://review.openstack.org/165226 | 11:31 |
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ihrachyshka | HenryG, hey! | 11:39 |
HenryG | ihrachyshka: Hi! | 11:40 |
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ihrachyshka | HenryG, you may have tracked recent prefix delegation discussions better... which platforms do we need to have dibbler packaged? I am about to request branches for Fedora, and I wonder whether we need it for epel7 | 11:40 |
HenryG | ihrachyshka: not sure I am afraid. But I can ask. Is there a list of "openstack supported platforms"? | 11:43 |
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ihrachyshka | HenryG, I don't think so. We will obviously run Kilo on RHEL7 for RHEL-OSP7, but we will need to import dibbler in its repos anyway since we don't rely on epel7 repo for the product. that said, people willing to run stock openstack distro (like RDO) on centos may need it... | 11:45 |
ihrachyshka | ok, probably it's better add that additional repo than miss it, I guess. the price is not that high to have it there. | 11:45 |
HenryG | ihrachyshka: So prefix delegation has been punted to Liberty | 11:45 |
ihrachyshka | HenryG, ah, yeah, I should have said RHEL-OSP8. | 11:46 |
ihrachyshka | anyway, still centos7/RDO will probably need it | 11:46 |
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HenryG | ihrachyshka: and one possibility now is a neutron native client | 11:47 |
ihrachyshka | HenryG, meh, I would not take that path... | 11:48 |
ihrachyshka | we are good at integration but not actual protocol level work I guess | 11:48 |
ihrachyshka | but maybe I'm wrong and everyone is happy to crunch packets and fill in headers in python | 11:48 |
ihrachyshka | that will be another new can of CVE worms and support hell | 11:49 |
HenryG | ihrachyshka: you can follow/comment on https://review.openstack.org/161381 | 11:50 |
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openstackgerrit | Cedric Brandily proposed openstack/neutron: Adds base in-tree functional testing of the dhcp agent (OVS) https://review.openstack.org/136834 | 12:16 |
openstackgerrit | Elena Ezhova proposed openstack/neutron: [WIP]: Add handling of SIGHUP https://review.openstack.org/161732 | 12:17 |
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openstackgerrit | Cedric Brandily proposed openstack/neutron: Allow metadata proxy running with nobody user/group https://review.openstack.org/165115 | 12:30 |
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openstackgerrit | Cedric Brandily proposed openstack/neutron: Adds base in-tree functional testing of the dhcp agent (OVS) https://review.openstack.org/136834 | 12:43 |
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openstackgerrit | Rossella Sblendido proposed openstack/neutron: L2 agent RPC add new RPC calls https://review.openstack.org/147435 | 13:55 |
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openstackgerrit | Rossella Sblendido proposed openstack/neutron: Add devices to update in RPC call security_groups_provider_updated https://review.openstack.org/148235 | 14:05 |
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openstackgerrit | Rossella Sblendido proposed openstack/neutron: Add get_events to OVSDB monitor https://review.openstack.org/161806 | 14:06 |
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openstackgerrit | Paul Michali proposed openstack/neutron-vpnaas: VPNaaS: Refactoring to use callback mechanism https://review.openstack.org/165226 | 14:15 |
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openstackgerrit | Rossella Sblendido proposed openstack/neutron: Add state_or_sec_group_updated flag in port_update https://review.openstack.org/155223 | 14:58 |
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prometheanfire | should specs normally cover plugins? | 15:04 |
prometheanfire | if so, I think https://blueprints.launchpad.net/neutron/+spec/mtu-selection-and-advertisement missed the linuxbridge piece | 15:04 |
prometheanfire | https://bugs.launchpad.net/neutron/+bug/1348788 | 15:04 |
openstack | Launchpad bug 1348788 in neutron "network_device_mtu is not applied to VMs, only to agents" [Low,Confirmed] | 15:04 |
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prometheanfire | basicly, can I work on that bug to get it into kilo or not? :D | 15:04 |
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openstackgerrit | Zengfa Gao proposed openstack/neutron: Add API tests for subnet-create with subnetpool https://review.openstack.org/170208 | 15:18 |
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openstackgerrit | Brian Haley proposed openstack/neutron: Add ipset element and hashsize tunables https://review.openstack.org/170328 | 15:21 |
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openstackgerrit | Brian Haley proposed openstack/neutron: Add ipset element and hashsize tunables https://review.openstack.org/170328 | 15:52 |
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kir | Hi all: does anybody know how to deal with idempotent_id in neutron? | 15:57 |
openstackgerrit | Paul Michali proposed openstack/neutron: Refactoring cleanup for L3 agent callbacks https://review.openstack.org/169876 | 15:58 |
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openstackgerrit | Zengfa Gao proposed openstack/neutron: Add API tests for subnet-create with subnetpool https://review.openstack.org/170208 | 16:37 |
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openstackgerrit | Merged openstack/neutron: IPv6 SLAAC subnet create should update ports on net https://review.openstack.org/160622 | 16:46 |
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openstackgerrit | Maru Newby proposed openstack/neutron: Remove orphaned nuage unit test module https://review.openstack.org/170570 | 17:28 |
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marun | HenryG, kevinbenton, armax, mestery: something trivial to merge, without an __init__.py in the path it can't even run. | 17:33 |
marun | ^ | 17:33 |
mestery | marun: Done! | 17:34 |
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openstackgerrit | Maru Newby proposed openstack/neutron: Merge unit test modules targeting the same module https://review.openstack.org/170329 | 18:17 |
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openstackgerrit | Swaminathan Vasudevan proposed openstack/neutron: Adds DVR functional test for multi-external networks https://review.openstack.org/163573 | 18:18 |
marun | otherwiseguy: hi | 18:19 |
marun | openstackgerrit: we've seen quite a few functional test failures this week, generally timeouts around ovs testing | 18:19 |
marun | otherwiseguy: oops ^ | 18:20 |
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marun | otherwiseguy: Any thoughts as to whether we're assured of sufficient isolation across tests? Or whether we should simply increase the timeouts? | 18:20 |
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mestery | carl_baldwin: QA has pointed me at some recent 500 error failures, and the look to be coming from the subnet pool stuff: | 18:43 |
mestery | http://logs.openstack.org/06/159106/7/gate/gate-tempest-dsvm-neutron-full/7c12b0f/logs/screen-q-svc.txt.gz#_2015-04-03_16_25_55_195 | 18:43 |
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openstackgerrit | Brian Haley proposed openstack/neutron: Add ipset element and hashsize tunables https://review.openstack.org/170328 | 18:43 |
mestery | carl_baldwin: ^^^ Looks like a Lock Wait timeout :( | 18:43 |
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pc_m | amotoki: hi | 18:55 |
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mestery | HenryG: The failures above I pointed carl_baldwin at actually look like V6 failures, looking now, but any thoughts? | 19:05 |
HenryG | mestery: looking ... | 19:06 |
openstackgerrit | Swaminathan Vasudevan proposed openstack/neutron: Adds DVR functional test for multi-external networks https://review.openstack.org/163573 | 19:06 |
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pc_m | mestery: hi | 19:11 |
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prometheanfire | about the 'incomplete' spec completion | 19:15 |
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prometheanfire | would fixing bug https://bugs.launchpad.net/neutron/+bug/1348788 (as it's related to https://blueprints.launchpad.net/neutron/+spec/mtu-selection-and-advertisement) | 19:16 |
openstack | Launchpad bug 1348788 in neutron "network_device_mtu is not applied to VMs, only to agents" [Low,Confirmed] | 19:16 |
HenryG | mestery: carl_baldwin: Yes, it's a DHCPv6 test case. It's failing in _create_subnet_from_implicit_pool() which was added yesterday via the last subnet pool patch. | 19:17 |
mestery | HenryG: So that confirms my thinking too, thanks. | 19:17 |
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armax | HenryG: is there a logstash/bug for this issue? | 19:24 |
HenryG | armax: Not that I know of. mestery do you know? | 19:24 |
mestery | Nope, not that I'm aware of yet. /cc mtreinish | 19:24 |
mtreinish | armax: not yet | 19:25 |
mtreinish | sdague just pointed it out before he called it a day | 19:25 |
armax | mtreinish: I’ll look into it, thanks | 19:25 |
armax | mtreinish: we’ll nip in the buds before it’s starting to hurt | 19:26 |
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pc_m | mestery: hi | 19:32 |
mestery | pc_m: yo! | 19:33 |
pc_m | mestery: Happy Friday | 19:33 |
mestery | pc_m: :P | 19:33 |
pc_m | mestery: Have you heard of XFRM w.r.t. kernels? | 19:33 |
mestery | pc_m: Yes, in passing, I'd need to refresh my memory a bit | 19:33 |
pc_m | mestery: Talking to someone on strongswan IRC... | 19:34 |
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pc_m | mestery: They had mentioned that there is an issue with all *Swan daemons that are running under a namespace (like we do). | 19:35 |
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mestery | pc_m: Yikes! Sounds dire. | 19:35 |
pc_m | mestery: Said it was due to kernerl and XFRM and namespaces not working. | 19:35 |
* pc_m Have no idea what XFRM is | 19:35 | |
mspreitz | Does anybody here know whether Neutron's LBaaS can do IPv6 on the front side while doing IPv4 on the back? | 19:35 |
mestery | mspreitz: I'd ask in #openstack-lbaas | 19:36 |
pc_m | mestery: The indicate was that one could setup a tunnel, but traffic won't pass. However, it seems to be working for both OpenSwan and StrongSwan. | 19:36 |
mspreitz | Oh, I did not know it had its own channel! | 19:36 |
mspreitz | Thanks | 19:36 |
pc_m | mestery: Wondering if it is version specific issue, and maybe (guessing) that Ubuntu 14.04+ have a kernel that supports it? | 19:37 |
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mestery | pc_m: Seems very likely yes, on with armax now, FYI | 19:40 |
pc_m | mestery: He would know about this? | 19:41 |
mestery | pc_m: No, unrelated to this, something else, give me a few minutes | 19:42 |
* pc_m trying to find out whether or not this is an issue to be concerned with | 19:42 | |
pc_m | mestery: Ah gotcha | 19:42 |
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mestery | armax: So per our discussion, the DHCPv6 issue is only seen 3 times according to logstash. /cc HenryG | 19:59 |
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armax | mestery: apparently kevinbenton is eager to look into it | 20:00 |
mestery | MOAR KEVINBENTON! | 20:01 |
mestery | lol | 20:01 |
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armax | but I’ll do that too | 20:01 |
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armax | and bring the big guns, aka kevinbenton, later if I need them | 20:01 |
kevinbenton | armax: is that a fat joke? | 20:03 |
armax | kevinbenton: no | 20:03 |
armax | I am dead serious | 20:03 |
kevinbenton | scary | 20:03 |
armax | you’ve proven to be able to see through the matrix | 20:03 |
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kevinbenton | armax: that's because my copy of the dvd has a pretty bad scratch | 20:05 |
kevinbenton | armax: if yours was scratched you could see through it too | 20:05 |
armax | yeah yeah | 20:05 |
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mestery | lol | 20:06 |
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openstackgerrit | Merged openstack/neutron: Remove orphaned nuage unit test module https://review.openstack.org/170570 | 20:18 |
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openstackgerrit | Kevin Benton proposed openstack/neutron: Only call get_engine().pool.dispose if _FACADE https://review.openstack.org/165364 | 20:30 |
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HenryG | marun: ping | 20:39 |
marun | HenryG: pong | 20:39 |
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HenryG | marun: Do all api test cases need to have an idempotent_id? | 20:40 |
marun | HenryG: As far as I know, yes. | 20:40 |
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HenryG | marun: Are there docs on it? Following the code is not very helpful (or it is still just a stub?) | 20:44 |
HenryG | I guess I should ask the tempest folks | 20:44 |
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tiswanso | HenryG: re: idempotent_id-- I had asked tempest folks a few weeks back | 20:48 |
marun | HenryG: I think qa is still working on documenting it | 20:48 |
marun | HenryG: they have a check script that validates uniqueness within tempest | 20:48 |
marun | HenryG: we'll need something similar | 20:48 |
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tiswanso | on IRC... the answer I got was to add the test to a file in a tempest project and run "tox -euuidgen" and it would add the decorator | 20:49 |
marun | HenryG: But cross-repo uniqueness will be hard to verify | 20:49 |
marun | HenryG, tiswanso: I guess we'll need our own version of that script then | 20:50 |
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marun | HenryG: or work on moving it to tempest-lib | 20:50 |
tiswanso | yep | 20:50 |
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HenryG | marun: tiswanso: thanks. I found the BP: https://blueprints.launchpad.net/tempest/+spec/test-uuid | 20:52 |
HenryG | lacks a spec and documentation | 20:52 |
tiswanso | marun: script is tempest/tools/check_uuid.py (tox runs with --fix option) | 20:52 |
marun | I'm not entirely sure of the value of this for all tests | 20:52 |
marun | I get the point for stuff that needs validation with refstack | 20:53 |
marun | But otherwise, effectively making tests a stable deliverable doesn't strike me as worthwhile | 20:53 |
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openstackgerrit | Dane LeBlanc proposed openstack/neutron: delete_port: Don't do l3plugin calls with db-access locked https://review.openstack.org/170611 | 21:06 |
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openstackgerrit | Paul Michali proposed openstack/neutron-vpnaas: VPNaaS Remove dependency on Neutron for unit test https://review.openstack.org/169008 | 21:33 |
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ZZelle_ | mestery, hi | 21:41 |
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openstackgerrit | Merged openstack/neutron: Make L3 agent honor periodic_interval setting https://review.openstack.org/147710 | 21:43 |
openstackgerrit | Merged openstack/python-neutronclient: 'neutron port-create' missing help info for --binding:vnic-type https://review.openstack.org/169443 | 21:46 |
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openstackgerrit | Merged openstack/neutron: Support multiple IPv6 prefixes on internal router ports https://review.openstack.org/156360 | 21:49 |
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armax | HenryG: ping | 22:58 |
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HenryG | armax: pong | 22:59 |
armax | HenryG: was looking at https://bugs.launchpad.net/neutron/+bug/1440192 | 22:59 |
openstack | Launchpad bug 1440192 in neutron "DB Deadlock: Lock wait timeout exceeded; try restarting transaction') 'INSERT INTO ipallocations" [Undecided,In progress] - Assigned to Dane LeBlanc (leblancd) | 22:59 |
armax | it looks an awful lot like https://bugs.launchpad.net/neutron/+bug/1440183 | 22:59 |
openstack | Launchpad bug 1440183 in neutron "DBDeadlock on subnet allocation" [High,Confirmed] | 22:59 |
armax | HenryG: do you by any chance talk to Dane? | 23:00 |
HenryG | armax: yes I do | 23:00 |
HenryG | let's see if I can get him on here | 23:01 |
armax | HenryG: ok, I was wondering if we’re experiencing the same failure mode | 23:01 |
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HenryG | At first glance it sure looks like it | 23:01 |
armax | HenryG: but what’s weird is that I don’t see the DVR job fail in the gate | 23:02 |
armax | with that failure mode | 23:02 |
armax | so I wonder where dane had seen that | 23:02 |
armax | the report seems to hint a local setup but surely we should see that in the gate too | 23:03 |
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HenryG | armax: dane_leblanc is here now | 23:03 |
armax | Hi dane_leblanc | 23:04 |
dane_leblanc | armax: Hi! | 23:04 |
dane_leblanc | Could use some help on DB locks | 23:04 |
armax | dane_leblanc: yes, we’re seeing the locks on teh same tests regardless of DVR | 23:04 |
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armax | dane_leblanc: see https://bugs.launchpad.net/neutron/+bug/1440183 | 23:05 |
openstack | Launchpad bug 1440183 in neutron "DBDeadlock on subnet allocation" [High,Confirmed] | 23:05 |
armax | dane_leblanc: it looks like you’re running the same tests? | 23:05 |
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armax | do you see failures on just those two tests? | 23:07 |
dane_leblanc | armax: I'm seeing it with tempest.api.network.test_dhcp_ipv6.NetworksTestDHCPv6.test_dhcpv6_64_subnets | 23:07 |
armax | dane_leblanc: that one only? | 23:07 |
dane_leblanc | armax: No, I run 2 tests at the same time | 23:07 |
armax | right, but what about the other NetworksTestDHCPv6 tests? | 23:07 |
armax | they could fail too right? | 23:07 |
dane_leblanc | tempest.api.network.test_dhcp_ipv6.NetworksTestDHCPv6.test_dhcp_stateful_router[id-e98f65db-68f4-4330-9fea-abd8c5192d4d] | 23:07 |
armax | what if you run the entire lot? | 23:08 |
armax | NetworksTestDHCPv6 | 23:08 |
dane_leblanc | armax: I believe that any test that does delete of a port while another test is creating a subnet will have this problem | 23:08 |
armax | dane_leblanc: yes | 23:09 |
dane_leblanc | armax: I can try the entire lot, but I know for sure that running just those 2 tests will cause failures in 1 out of 6 runs | 23:09 |
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armax | dane_leblanc: it does appera we see that regardless of DVR though | 23:09 |
armax | dane_leblanc: did you see the failure occur without DVR at all? | 23:09 |
dane_leblanc | armax: I haven't tried without DVR, I can try that. | 23:10 |
dane_leblanc | The area of trouble seems to be the ML2 delete_port method... | 23:10 |
dane_leblanc | where it's locking db-access... | 23:10 |
dane_leblanc | and then makes l3plugin calls to clean up DVR namespaces, and another l3plugin call to clear up floating IP associations | 23:11 |
armax | dane_leblanc: yes, I still need to clean that area of the code | 23:11 |
dane_leblanc | armax: I think the l3plugin calls relinquish control, and then another test running concurrently might try to do some L2 database stuff | 23:12 |
dane_leblanc | armax: (with the db-access lock still on) | 23:12 |
armax | dane_leblanc: let me look into that, I am sure how viable your change is right now | 23:13 |
armax | dane_leblanc: we’re trading some DB errors for others | 23:13 |
dane_leblanc | armax: My change fails, it isn't the right way to fix it | 23:13 |
dane_leblanc | armax: Yes, agreed. | 23:13 |
armax | dane_leblanc: and we’d want to go deeper and ensure that we address the db locks with or without dvr | 23:13 |
armax | dane_leblanc: I was going to dive in the code | 23:13 |
armax | it seems that we identified the culprit | 23:13 |
dane_leblanc | armax: Yes, I think we need to consider floating IP situations as well, not just DVR | 23:14 |
armax | dane_leblanc: one favor I’d like to ask you is | 23:14 |
dane_leblanc | armax: Sure | 23:14 |
armax | dane_leblanc: if you tried and revert https://review.openstack.org/#/c/157597/ can you confirm that the issue is gone? | 23:14 |
armax | dane_leblanc: I mean, in your local setup | 23:15 |
armax | you can back up prior to that change and see if the issue disapper | 23:15 |
armax | dane_leblanc: at least that would confirm the area where we’d need to look for trouble | 23:15 |
dane_leblanc | armax: Sure, I'll try that | 23:15 |
dane_leblanc | armax: I'll also try without DVR | 23:15 |
armax | dane_leblanc: that would be good | 23:16 |
armax | dane_leblanc: the other favor I’d ask you is, once we identified a potential fix, then if you can verify that the issue is indeed gone in your setup | 23:16 |
armax | dane_leblanc: but for that we’d need to wait | 23:16 |
armax | :) | 23:16 |
dane_leblanc | armax: Sure! Glad someone else is looking at this, I was a bit stumped on how to solve this. | 23:16 |
armax | dane_leblanc: yeah..we’ll nuke it | 23:17 |
armax | dane_leblanc: for now I am tempted to mark one bug duplicate of the otherr | 23:17 |
dane_leblanc | armax: This showed up with a recently merged patch of mine... didn't want that to get reverted. | 23:17 |
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armax | dane_leblanc: which one? | 23:17 |
dane_leblanc | armax: Feel free to use your bug as the reference (dup mine?) | 23:18 |
dane_leblanc | Looking up number | 23:18 |
armax | dane_leblanc: you and I reported the bug 1 hour aparat | 23:18 |
openstack | bug 1 in Ubuntu Malaysia LoCo Team "Microsoft has a majority market share" [Critical,In progress] https://launchpad.net/bugs/1 - Assigned to MFauzilkamil Zainuddin (apogee) | 23:18 |
armax | apart | 23:18 |
armax | 1440183 | 23:18 |
armax | bug #1440183 | 23:18 |
openstack | bug 1440183 in neutron "DBDeadlock on subnet allocation" [High,Confirmed] https://launchpad.net/bugs/1440183 | 23:18 |
armax | yours is 1440192 | 23:18 |
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dane_leblanc | Firefox froze on me | 23:19 |
armax | dane_leblanc: you mean https://review.openstack.org/#/c/160622/? | 23:20 |
dane_leblanc | armax: Yes, that's the one. | 23:20 |
armax | I wonder if the culprit is indeed that one :) | 23:21 |
dane_leblanc | armax: I believe that that commit (160622) only exposed the issue | 23:21 |
armax | dane_leblanc: well yes | 23:21 |
armax | dane_leblanc: but this is with every bug! | 23:21 |
armax | dane_leblanc: there’s always something latent | 23:22 |
armax | dane_leblanc: so I’d try to back out yours and see if the issue disappera | 23:22 |
armax | disappear | 23:22 |
dane_leblanc | armax: I'm fairly confident the problems will disappear. | 23:23 |
armax | without your change? | 23:23 |
dane_leblanc | armax: Yes, without my change. Although the problems are still there, just less likely to show up as often. | 23:23 |
armax | dane_leblanc: agreed | 23:24 |
HenryG | Does mysql have a debugging mode for this sort of thing? | 23:24 |
armax | dane_leblanc: that’s a common pattern | 23:24 |
dane_leblanc | armax: Right. | 23:24 |
armax | dane_leblanc: we have seen a bunch of changes merged and that exposed races | 23:24 |
armax | dane_leblanc: let me look at your patch to see if I can unveil what’s going on | 23:25 |
dane_leblanc | armax: I think the necessary ingredient that my patch adds is that it does subnet create and that does a port table access | 23:25 |
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armax | dane_leblanc: let me look into this some more | 23:25 |
armax | dane_leblanc: are you going to be around? | 23:25 |
dane_leblanc | armax: For a while. | 23:26 |
armax | dane_leblanc: a typical approach for these sorts of issues is to revert the culprit, get the gate back to health and rework a more robust change | 23:26 |
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dane_leblanc | armax: Sure. | 23:26 |
armax | dane_leblanc: but since the failure rate is not skyrocketing now, I think we can afford to wait just a little longer | 23:26 |
armax | at least until we learn a bit more about what’s going on | 23:27 |
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dane_leblanc | armax: I'm looking forward to your suggestions on what can be done in the ML2 delete_port. | 23:28 |
armax | dane_leblanc: yes, bear with me…it could be that we leave delete_port unaffected | 23:28 |
armax | dane_leblanc: you’d be amazed by the types of fixes that are done to circumvent the db deadlock :) | 23:29 |
armax | dane_leblanc: if you’re curious there was one that kevinbenton fixed not so long ago: https://review.openstack.org/#/c/160036/ | 23:30 |
dane_leblanc | armax: I had been looking at that while investigating this today. | 23:30 |
armax | you mean kevinbenton’s change? | 23:30 |
dane_leblanc | armax: Yes, kevinbenton's change | 23:31 |
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dane_leblanc | armax: I take that back, I think I was looking at an earlier kevinbenton change | 23:32 |
openstackgerrit | Merged openstack/neutron: Add API tests for subnet-create with subnetpool https://review.openstack.org/170208 | 23:34 |
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armax | dane_leblanc: what if you simply commented out line 1253 in neutron/db/db_base_plugin_v2.py | 23:35 |
armax | dane_leblanc: I know that it’s not the right fix, but I wonder if that can give us a clue that it is the part of the code that makes us go over the cliff | 23:35 |
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dane_leblanc | armax: That's pretty much the same as reverting my entire patch | 23:36 |
dane_leblanc | armax: Meaning, I'm guessing it will make the problem be less frequent | 23:37 |
armax | dane_leblanc: I suppose you’re right | 23:37 |
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dane_leblanc | armax: I think that the 2 tests that I run to reproduce the problem highlight the issue. One test is doing a port delete to clean up, and this involves the db-access lock. The second test is creating subnets, and because of my patch, the creating subnets is doing a port database access, but database is locked, so wham: deadlock. | 23:41 |
armax | dane_leblanc: agreed…but there must be something that exarcebate this behavior | 23:41 |
armax | dane_leblanc: by looking at your code it does look like you’re making multiple db queries to the IPAllocation table within the same transaction | 23:42 |
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armax | dane_leblanc: that might just make the transaction long enough to expose the contention | 23:42 |
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openstackgerrit | Maru Newby proposed openstack/neutron: Prepare for unit test reorg https://review.openstack.org/170329 | 23:43 |
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dane_leblanc | armax: My thinking is that the critical section is in the ML2 delete_port, not in the subnet_create where my change is. | 23:44 |
armax | dane_leblanc: it might as well be but disentangling that code is a massive undertaking | 23:45 |
armax | dane_leblanc: it is indeed true that the issue is triggered by a delete_port | 23:47 |
armax | http://logs.openstack.org/26/165226/11/gate/gate-tempest-dsvm-neutron-full/db4d28d/logs/screen-q-svc.txt.gz?#_2015-04-03_20_05_29_318 | 23:47 |
armax | dane_leblanc: btw this is without DVR | 23:47 |
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dane_leblanc | armax: Right. I would expect this would happen even without DVR because of the call to l3plugin's floating IP dissasociation | 23:50 |
armax | but that port is a dhcp port | 23:50 |
armax | dane_leblanc: hang on, I take that bac | 23:51 |
armax | k | 23:51 |
armax | oh yeah | 23:52 |
armax | see Calling delete_port for 85109322-a549-439d-9845-bb5e943468b1 owned by network:dhcp delete_port | 23:52 |
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dane_leblanc | armax: But the call to l3plugin.disassociate_floatingips is made regardless of port type, right? | 23:53 |
armax | dane_leblanc: um…dunno I’d need to verify but I am surprised if it did | 23:54 |
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dane_leblanc | armax: There don't appear to be any device_owner checks for the call to disassociate_floating_ips. | 23:57 |
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armax | dane_leblanc: it looks like we don’t even get there | 23:57 |
armax | dane_leblanc: actually | 23:57 |
armax | what I see is this: | 23:57 |
armax | http://logs.openstack.org/26/165226/11/gate/gate-tempest-dsvm-neutron-full/db4d28d/logs/screen-q-svc.txt.gz?#_2015-04-03_20_06_20_165 | 23:57 |
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armax | so we go past the disassociation | 23:58 |
armax | and yield at line 1259 | 23:59 |
armax | of neutron/plugins/ml2/plugin.py | 23:59 |
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