Wednesday, 2020-10-21

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-openstackstatus- NOTICE: The Gerrit service at review.opendev.org is back up and running; for outage details see analysis here: http://lists.opendev.org/pipermail/service-announce/2020-October/000011.html00:38
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zhangtongjianHi all07:03
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lajoskatonaMorning, I run through the list sent by ianw (https://static.opendev.org/project/opendev.org/gerrit-diffs/ ) and nothing suspicious in neutron, neutron-lib, networking-odl, networking-bagpipe, networking-bgpvpn, x/networking-l2gw, x/tap-as-a-service08:18
slaweqlajoskatona: hi08:18
slaweqthx a lot08:18
slaweqI also checked them today (I sent email with info about it to You also)08:18
slaweqbut great that someone else also looked at it to confirm that I didn't miss anything08:19
lajoskatonaslaweq: Hi, I just seen that mail :-)08:19
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openstackgerritRodolfo Alonso Hernandez proposed openstack/neutron stable/train: Make NeutronOvsdbIdl singleton  https://review.opendev.org/75576808:37
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zhangtongjianslaweq: Hi, Path:https://review.opendev.org/#/c/753278/,please help review08:42
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openstackgerritSlawek Kaplonski proposed openstack/neutron-tempest-plugin master: Check VM's console log before trying to SSH to it.  https://review.opendev.org/75896808:45
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openstackgerritSlawek Kaplonski proposed openstack/neutron-tempest-plugin master: Check VM's console log before trying to SSH to it.  https://review.opendev.org/75896810:15
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openstackgerritThomas Bachman proposed openstack/neutron master: Fix default value for MTUs, when not provided  https://review.opendev.org/75371710:36
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openstackgerritSlawek Kaplonski proposed openstack/neutron-tempest-plugin master: Skip fip_qos test is there is no L3 agent with extension enabled  https://review.opendev.org/75900011:01
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mkarpiarzHi all. I have a problem with the networking-l2gw plugin.12:12
mkarpiarzI run `neutron l2-gateway-create --device name="vtep0"...` and this has created an OVS switch on my OVSDB node.12:14
mkarpiarzHowever when I then run `neutron l2-gateway-connection-create` using the L2GW object created in the previous step, I'm getting the following error:12:15
mkarpiarz"L2 Gateway Device vtep0 could not be found."12:15
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mkarpiarzThis appears to be a server exception generated by the /v2.0/l2-gateway-connections endpoint.12:19
mkarpiarzUsing OpenStack Train for this.12:19
slaweqmkarpiarz: I think that lajoskatona may be guy who can help You12:20
lajoskatonamkarpiarz: Hi12:21
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mkarpiarzHi!12:21
mkarpiarzAny ideas on what might be causing this problem or how to debug it?12:22
lajoskatonamkarpiarz: are you using the process described here: https://opendev.org/x/networking-l2gw#user-content-getting-started ?12:22
mkarpiarzSo my OVSDB node is a switch, not a Linux box.12:23
mkarpiarzAnd Neutron is containerised (using Kolla images) so my case is slightly different.12:24
mkarpiarzHowever I've added "networking_l2gw.services.l2gateway.plugin.L2GatewayPlugin" to service plugins12:25
mkarpiarzand added a link to the OVSDB node in l2gateway_agent.ini12:26
mkarpiarzand I can run `ovs-vsctl show` and `vtep-ctl show` against the database on the switch12:26
lajoskatonamkarpiarz: ok, so its real hw switch12:27
mkarpiarzOn the output from `vtep-ctl show` I can see this line:12:27
mkarpiarzPhysical_Switch "vtep0"12:27
mkarpiarzAnd "vtep0" shows up on the output from `vtep-ctl list-ps`, so I'm confident the OVSDB node is working correctly.12:28
mkarpiarzAnd yes, it's a Mellanox switch with OVSDB enabled.12:29
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lajoskatonaand the host on which l2gw-agent is running can see the mellanox switch?12:31
mkarpiarzYes, the switch's management IP is accessible from the node running neutron server.12:32
lajoskatonaand in l2gateway_agent.ini the ovsdb_hosts set correctly, and i.e. the mlnx switch listens on the ip and port configured here?12:32
mkarpiarz(and also from inside the Docker container)12:33
mkarpiarzYes, ovsdb_hosts in `/etc/neutron/l2gateway_agent.ini` is set to the mgmt IP of the switch and a port on which OVSDB is running on the switch.12:36
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mkarpiarzThe OVS switch is present on the HW switch and has the correct physical port assigned to it12:40
bcafarelslaweq: btw it may be worth to send confirmation -discuss email we (aka you/lajoskatona) checked the gerrit commits12:40
bcafarelI see most teams sending a "we checked and all is good" report12:41
mkarpiarzwhich suggests that L2GW can access OVSDB on the switch just fine.12:41
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lajoskatonabcafarel: slaweq sent a mail this morning12:41
slaweqbcafarel: sure, I will send it12:42
bcafarellajoskatona: just to us for now :)12:42
bcafarelthanks slaweq, it should avoid some "what about neutron repos?"12:43
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lajoskatonamkarpiarz: not sure how to continue, other than this exception do you have connection errors in l2gw-agent log?12:59
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mkarpiarzI'm not seeing a separate log file for L2GW - is there a separate `log_dir` for L2GW only?13:05
mkarpiarzI see I don't have "debug = True" set in l2gateway_agent.ini so I'll fix this.13:07
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mkarpiarzHopefully some new entries will appear in neutron_server logs.13:08
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mkarpiarzNope, nothing new. All I can see is this:13:10
mkarpiarzINFO neutron.api.v2.resource [req-1d5cd395-fb71-4ba5-91fb-bafefb40adff e911629104424915a53706a74be7405c 5c2c12b1d2ce4ae899aa671652428732 - default default] create failed (client error): The resource could not be found.13:10
mkarpiarzThere is one more entry before the above one but I'm not sure it's related:13:11
mkarpiarzDEBUG neutron.api.v2.base [req-1d5cd395-fb71-4ba5-91fb-bafefb40adff e911629104424915a53706a74be7405c 5c2c12b1d2ce4ae899aa671652428732 - default default] Unknown quota resources ['l2_gateway_connection']. _create /usr/lib/python2.7/site-packages/neutron/api/v2/base.py:49013:12
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lajoskatonamkarpiarz: you should have l2gw-agent and logs for it, I have ubuntu where I can fetch logs with journalctl, not sure for Kolla where to find logs13:18
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mkarpiarzIs l2gw-agent a separate package or is it part of networking-l2gw?13:23
lajoskatonamkarpiarz: it is part of networking-l2gw, the code is in the same repo13:24
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lajoskatonamkarpiarz: for devstack here is the plugin.sh that configures and starts it: https://opendev.org/x/networking-l2gw/src/branch/master/devstack/plugin.sh13:27
mkarpiarzSo I found the code that causes the problem:13:28
mkarpiarzhttps://opendev.org/x/networking-l2gw/src/branch/stable/train/networking_l2gw/services/l2gateway/service_drivers/rpc_l2gw.py#L32513:28
mkarpiarzThis^ line returns None for me.13:28
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lajoskatonamkarpiarz: based on that the agent can't connect to ovsdb on your switch13:36
mkarpiarzIt looks like an issue with the database though.13:37
mkarpiarzI managed to track it down to this line:13:38
mkarpiarzhttps://opendev.org/x/networking-l2gw/src/branch/stable/train/networking_l2gw/db/l2gateway/ovsdb/lib.py#L39213:38
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mkarpiarzlajoskatona: What is suppose to populete the physical_switches table mentioned in the below model definition?14:01
mkarpiarzhttps://opendev.org/x/networking-l2gw/src/branch/stable/train/networking_l2gw/db/l2gateway/ovsdb/models.py#L2814:01
mkarpiarzThis table is empty in my deployment.14:04
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lajoskatonamkarpiarz: it should contain your ovsdb switches, for my small devstack env:14:14
lajoskatona+--------------------------------------+-------------+---------------+------------------+---------------------+14:14
lajoskatona| uuid                                 | name        | tunnel_ip     | ovsdb_identifier | switch_fault_status |14:14
lajoskatona+--------------------------------------+-------------+---------------+------------------+---------------------+14:14
lajoskatona| 3b62e76d-69a3-44fd-b5b8-d7c00cb54c80 | myphyswitch | 100.109.0.177 | hardware_vtep    | NULL                |14:14
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mkarpiarzThanks, this one is empty for me and the vtep0 device is only mentioned in the l2gatewaydevices table.14:18
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leubenHello I have intermittent network issues with FIP access using neutron (DVR) - Ussuri. I can see FIP reachability improve when I ping external domain from instances. Though, after some time, FIPs can be unreachable again. Is it something that ring a bell to anyone ?14:59
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openstackgerritTerry Wilson proposed openstack/neutron master: [OVN] Allow schema checks to happen before starting connection  https://review.opendev.org/75448515:12
openstackgerritTerry Wilson proposed openstack/neutron master: [OVN] Add support for deleting ml2/ovn agents  https://review.opendev.org/75279515:13
openstackgerritTerry Wilson proposed openstack/neutron master: Avoid race condition when processing RowEvents  https://review.opendev.org/75384715:16
openstackgerritTerry Wilson proposed openstack/neutron master: [OVN] Add support for deleting ml2/ovn agents  https://review.opendev.org/75279515:17
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openstackgerritLajos Katona proposed openstack/neutron stable/ussuri: Rehome api tests for propagate_uplink_status  https://review.opendev.org/75909415:58
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openstackgerritMiguel Lavalle proposed openstack/neutron master: Agent side push notifications for address groups  https://review.opendev.org/75911717:54
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openstackgerritMiguel Lavalle proposed openstack/neutron master: Agent side push notifications for address groups  https://review.opendev.org/75911719:05
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openstackgerritBrian Haley proposed openstack/ovn-octavia-provider master: Retry status updates to Octavia  https://review.opendev.org/75913920:25
openstackgerritIhar Hrachyshka proposed openstack/neutron master: ovn: support max_tunid option from NB_Global  https://review.opendev.org/75568420:51
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jungleboyjslaweq: Random question when you have a chance to answer, but do you know if anything similar to Cinderlib (https://github.com/openstack/cinderlib) exists for using the ML2 device drivers in Neutron?20:54
jungleboyjLooking for a way to be able to configure multiple physical switches, (Cisco, Juniper, Arista) without having to re-invent the wheel and hopefully without having all the overhead of Neutron.20:55
slaweqjungleboyj: hi, we have neutron-lib21:06
slaweqit is (should be) something what should be used by 3rd party projects so they don't need to import neutron directly21:07
slaweqbut reality isn't that great, sometimes You will need to import neutron things (or propose patches to rehome things to neutron-lib)21:07
slaweqjungleboyj: https://github.com/openstack/neutron-lib/21:08
slaweqI hope this is something You are looking for :)21:08
hyangHi slaweq, I have a question for the CI test "neutron-grenade-multinode", the console shows it only upgrades services in controller node. In my patch I updated the SecurityGroupRule ovo version and got error IncompatibleObjectVersion from neutron ovs agent. May I know how should I fix it? https://zuul.opendev.org/t/openstack/build/19fdec77abae4901ac321c7c42c44032/console21:10
slaweqhyang: in grenade job all nodes should be upgraded AFAIK21:18
slaweqI will check that job's result tomorrow morning21:18
slaweqnow I'm going sleep finally21:19
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hyangok thanks slaweq!21:21
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jungleboyjSlaweq I will look but if it is at least a start that will be very helpful. Thank you very much!21:29
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openstackgerritMiguel Lavalle proposed openstack/neutron master: Agent side push notifications for address groups  https://review.opendev.org/75911721:48
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