Tuesday, 2021-03-30

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openstackgerritHarald Jensås proposed openstack/neutron master: Allow 255 character strings in tags  https://review.opendev.org/c/openstack/neutron/+/78364704:39
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openstackgerritManu B proposed openstack/neutron-specs master: BGPaaS enhancements Related-Bug: #1921461  https://review.opendev.org/c/openstack/neutron-specs/+/78379106:38
openstackbug 1921461 in neutron "[RFE] Enhancement to Neutron BGPaaS to directly support Neutron Routers & bgp-peering from such routers over internal & external Neutron Networks" [Undecided,New] https://launchpad.net/bugs/192146106:38
openstackgerritSlawek Kaplonski proposed openstack/networking-midonet master: Retire networking-midonet project  https://review.opendev.org/c/openstack/networking-midonet/+/78379306:43
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openstackgerritManu B proposed openstack/neutron-specs master: BGPaaS enhancements Related-Bug: #1921461  https://review.opendev.org/c/openstack/neutron-specs/+/78379107:29
openstackbug 1921461 in neutron "[RFE] Enhancement to Neutron BGPaaS to directly support Neutron Routers & bgp-peering from such routers over internal & external Neutron Networks" [Undecided,New] https://launchpad.net/bugs/192146107:29
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openstackgerritManu B proposed openstack/neutron-specs master: BGPaaS enhancements Related-Bug: #1921461  https://review.opendev.org/c/openstack/neutron-specs/+/78379107:30
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openstackgerritHarald Jensås proposed openstack/neutron master: Allow 255 character strings in tags  https://review.opendev.org/c/openstack/neutron/+/78364708:06
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openstackgerritIlya Bumarskov proposed openstack/neutron-tempest-plugin master: Add skip function for IPv6Test tests  https://review.opendev.org/c/openstack/neutron-tempest-plugin/+/78380208:06
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openstackgerritIlya Bumarskov proposed openstack/neutron-tempest-plugin master: Add skip function for IPv6Test tests  https://review.opendev.org/c/openstack/neutron-tempest-plugin/+/78380208:24
openstackgerritSlawek Kaplonski proposed openstack/neutron master: Mark "test_keepalived_spawns_conflicting_pid_*" tests as unstable  https://review.opendev.org/c/openstack/neutron/+/78298608:32
slaweqralonsoh: ^^ I updated Your patch a bit as both tests from that class are failing often08:32
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ralonsohslaweq, let me check08:36
ralonsohslaweq, yeah, is the same problem: kill(sigterm) (using shell command or os.kill), gets stuck waiting for a reply08:37
ralonsohinstead of returning saying "sent but not reply"08:37
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ralonsohhjensas, https://review.opendev.org/c/openstack/neutron/+/783647/5/neutron/db/migration/alembic_migrations/versions/xena/expand/8df53b0d2c0e_increase_tag_elements_from_60_to_255_.py08:42
ralonsohhjensas, if you remove this, I can +2 the patch08:42
ralonsoh(and L19 in this file)08:43
hjensasralonsoh: ah, ok got it. I'll update the change.08:43
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openstackgerritHarald Jensås proposed openstack/neutron master: Allow 255 character strings in tags  https://review.opendev.org/c/openstack/neutron/+/78364708:48
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openstackgerritliuyulong proposed openstack/neutron master: Add the DHCPReponder for IPv4  https://review.opendev.org/c/openstack/neutron/+/77328209:26
openstackgerritliuyulong proposed openstack/neutron master: Add the DHCPReponder for IPv6  https://review.opendev.org/c/openstack/neutron/+/77328309:27
openstackgerritliuyulong proposed openstack/neutron master: Add agent extension 'dhcp' for ovs agent  https://review.opendev.org/c/openstack/neutron/+/77656709:27
openstackgerritliuyulong proposed openstack/neutron master: Add fullstack test case for OVS DHCP extension  https://review.opendev.org/c/openstack/neutron/+/77656809:27
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openstackgerritMarios Andreou proposed openstack/networking-ovn stable/stein: remove tripleo scenario007 ci job from stein  https://review.opendev.org/c/openstack/networking-ovn/+/77458210:04
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openstackgerritSlawek Kaplonski proposed openstack/neutron master: Add locks for setting iptables rules in l3 and metadata agents  https://review.opendev.org/c/openstack/neutron/+/78269010:14
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slaweqsean-k-mooney: hi, may I have qq to You?10:27
slaweqsean-k-mooney: I'm looking now at bug https://bugs.launchpad.net/tripleo/+bug/1921400 and it seems that the same failure (Netlink: Operation not permitted) happens from time to time in nova compute too (it came from libvirt then)10:28
openstackLaunchpad bug 1921400 in tripleo "TestNetworkBasicOps.test_connectivity_between_vms_on_different_networks in master fails on auth" [Critical,Triaged]10:28
slaweqsean-k-mooney: looking at http://logstash.openstack.org/#dashboard/file/logstash.json?query=message%3A%5C%22Unable%20to%20create%20tap%20device%5C%22%20AND%20message%3A%5C%22Operation%20not%20permitted%5C%22 it seems for me that it happens only on Centos based jobs10:28
sean-k-mooneyslaweq: looking10:29
slaweqdo You maybe know why it can be like that?10:29
slaweqmaybe You already saw it somewhere10:29
slaweqthx in advance for any help10:29
openstackgerritRodolfo Alonso proposed openstack/neutron master: SR-IOV agent to handle ports with same MAC addresses  https://review.opendev.org/c/openstack/neutron/+/78005510:29
sean-k-mooneyoh its creating the veth pair for hybrid plug i assume10:30
slaweqin case of libvirt issue yes10:30
openstackgerritRodolfo Alonso proposed openstack/neutron master: SR-IOV agent can handle ports with same MAC addresses  https://review.opendev.org/c/openstack/neutron/+/78005510:30
slaweqbut in case of the ovn-metadata-agent it tries to create veth between ovn-meta namespace and "global"10:30
slaweqbut the issue is the same "Operation not permitted" from Netlink10:31
sean-k-mooneyand you are calling that from a privsep context with cap net admin10:31
sean-k-mooneyneutron/privileged/agent/linux/ip_lib10:32
sean-k-mooneyso ya it should be10:32
slaweqyes10:32
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slaweqand it's not failing always, only from time to time10:32
slaweqsimilar to libvirt10:32
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sean-k-mooneyya without the low level error i dont think we can tell10:33
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sean-k-mooneywe do not have any centos based testing in nova or os-vif so i dont think i have seen that before10:34
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slaweqok, thx for looking sean-k-mooney10:38
slaweqI will dig more10:38
sean-k-mooneyhow are we currently addign the veth10:40
sean-k-mooneyhttps://github.com/svinota/pyroute2/issues/46310:40
sean-k-mooneylooks like they added a new way to do it10:40
sean-k-mooneyi guess that is more or less what we are doing https://github.com/openstack/neutron/blob/master/neutron/agent/linux/ip_lib.py#L21310:43
sean-k-mooneywe are using net_ns_fd10:43
slaweqyes10:45
slaweqthat's how neutron is doing it using pyroute210:45
slaweqbut it's like that since long time10:45
sean-k-mooneyi wonder are you hitting something like this https://github.com/svinota/pyroute2/issues/39610:49
sean-k-mooneyif you are reusing objects10:49
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sean-k-mooneyhum no i think you are always constuction the object new https://github.com/openstack/neutron/blob/493286511d227c7ee8189838199c673110af1ee8/neutron/privileged/agent/linux/ip_lib.py#L195-L19710:53
slaweqsean-k-mooney: but AFAIK libvirt don't use pyroute2 to create those interface, right?10:54
slaweqand has similar issue from time to time10:54
sean-k-mooneycorrect it does not10:54
slaweqso IMO that points that problem is somewhere on lower level10:54
sean-k-mooneyya most likely10:54
sean-k-mooneyyou coudl perhaps try and retry the operation at least for the ovn metadta agent10:55
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sean-k-mooneybut not much we can do for libvirt10:55
sean-k-mooneywell other then not use it for networking10:56
sean-k-mooneyalthough libvirt does not interact with veths10:56
sean-k-mooneyso its failing on a different operation10:56
sean-k-mooneylikely the tap create or addtion to ovs10:56
sean-k-mooneyif its thte addtion to ovs that should be move to os-vif soon10:57
slaweqyes, in libvirt it fails on creation of tap10:57
sean-k-mooneyah ok i wonder if this could be a name conflict? or similar11:01
sean-k-mooneyin any case im not sure there is anything we can do to fix it11:01
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slaweqsean-k-mooney: ok, thx11:28
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