[Bug 1998781] Re: yoga: neutron-ovn-metadata-agent unable to communicate via ovn-relay

[James Page]

neutron-ovn-metadata-agent log:

Dec 05 11:04:53 node-gadomski neutron-ovn-metadata-agent[330217]: 2022-12-05 11:04:53.904 330217 INFO neutron.agent.ovn.metadata.agent [-] Connection to OVSDB established, doing a full sync
Dec 05 11:04:54 node-gadomski neutron-ovn-metadata-agent[330217]: 2022-12-05 11:04:54.315 330217 INFO ovsdbapp.backend.ovs_idl.vlog [-] ssl:10.246.115.21:6642: connection closed by peer
Dec 05 11:04:54 node-gadomski neutron-ovn-metadata-agent[331187]: 2022-12-05 11:04:54.445 331187 INFO ovsdbapp.backend.ovs_idl.vlog [-] ssl:10.246.115.21:6642: connected
Dec 05 11:05:01 node-gadomski neutron-ovn-metadata-agent[331187]: 2022-12-05 11:05:01.823 331187 INFO ovsdbapp.backend.ovs_idl.vlog [-] ssl:10.246.115.21:6642: connection closed by peer
Dec 05 11:05:01 node-gadomski neutron-ovn-metadata-agent[331188]: 2022-12-05 11:05:01.831 331188 INFO ovsdbapp.backend.ovs_idl.vlog [-] ssl:10.246.115.21:6642: connected
Dec 05 11:05:02 node-gadomski neutron-ovn-metadata-agent[331188]: 2022-12-05 11:05:02.338 331188 INFO ovsdbapp.backend.ovs_idl.vlog [-] ssl:10.246.115.21:6642: connection closed by peer
Dec 05 11:05:02 node-gadomski neutron-ovn-metadata-agent[330217]: 2022-12-05 11:05:02.349 330217 INFO ovsdbapp.backend.ovs_idl.vlog [-] ssl:10.246.115.21:6642: connected
Dec 05 11:05:02 node-gadomski neutron-ovn-metadata-agent[330217]: 2022-12-05 11:05:02.454 330217 INFO ovsdbapp.backend.ovs_idl.vlog [-] ssl:10.246.115.21:6642: connection closed by peer
Dec 05 11:05:02 node-gadomski neutron-ovn-metadata-agent[330217]: 2022-12-05 11:05:02.456 330217 INFO neutron.agent.ovn.metadata.agent [-] Connection to OVSDB established, doing a full sync
Dec 05 11:05:09 node-gadomski neutron-ovn-metadata-agent[331187]: 2022-12-05 11:05:09.858 331187 INFO ovsdbapp.backend.ovs_idl.vlog [-] ssl:10.246.115.21:6642: connected
Dec 05 11:05:10 node-gadomski neutron-ovn-metadata-agent[331187]: 2022-12-05 11:05:10.354 331187 INFO ovsdbapp.backend.ovs_idl.vlog [-] ssl:10.246.115.21:6642: connection closed by peer
Dec 05 11:05:10 node-gadomski neutron-ovn-metadata-agent[331188]: 2022-12-05 11:05:10.359 331188 INFO ovsdbapp.backend.ovs_idl.vlog [-] ssl:10.246.115.21:6642: connected
Dec 05 11:05:10 node-gadomski neutron-ovn-metadata-agent[331188]: 2022-12-05 11:05:10.479 331188 INFO ovsdbapp.backend.ovs_idl.vlog [-] ssl:10.246.115.21:6642: connection closed by peer
Dec 05 11:05:10 node-gadomski neutron-ovn-metadata-agent[330217]: 2022-12-05 11:05:10.488 330217 INFO ovsdbapp.backend.ovs_idl.vlog [-] ssl:10.246.115.21:6642: connected


** Description changed:

  For a Yoga base deployment (OVN: 22.03, OVS: 2.17.2) the neutron-ovn-
  metadata-agent continually reconnects to the ovn-central services via
  ovn-relay - the inactivity probe timeout is set to 60 seconds in OVN
  central and on the client side so I think the issue is that the ovn-
  relay is probing with a 5 second timeout and then resetting connections.
  
  ovn-relay log:
  
  2022-12-05T11:19:54.403Z|21688|reconnect|DBG|ssl:ovn-central-0.ovn-central-endpoints.openstack.svc.cluster.local:6642: idle 5003 ms, sending inactivity probe
  2022-12-05T11:19:54.403Z|21689|reconnect|DBG|ssl:ovn-central-0.ovn-central-endpoints.openstack.svc.cluster.local:6642: entering IDLE
  2022-12-05T11:19:54.403Z|21690|jsonrpc|DBG|ssl:ovn-central-0.ovn-central-endpoints.openstack.svc.cluster.local:6642: send request, method="echo", params=[], id="echo"
+ 
+ by passing the ovn-relay and communicating directly with the SB db
+ server worked around this issue.

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https://bugs.launchpad.net/bugs/1998781

Title:
  yoga: neutron-ovn-metadata-agent unable to communicate via ovn-relay

Status in Sunbeam Snap:
  New
Status in openvswitch package in Ubuntu:
  New

Bug description:
  For a Yoga base deployment (OVN: 22.03, OVS: 2.17.2) the neutron-ovn-
  metadata-agent continually reconnects to the ovn-central services via
  ovn-relay - the inactivity probe timeout is set to 60 seconds in OVN
  central and on the client side so I think the issue is that the ovn-
  relay is probing with a 5 second timeout and then resetting
  connections.

  ovn-relay log:

  2022-12-05T11:19:54.403Z|21688|reconnect|DBG|ssl:ovn-central-0.ovn-central-endpoints.openstack.svc.cluster.local:6642: idle 5003 ms, sending inactivity probe
  2022-12-05T11:19:54.403Z|21689|reconnect|DBG|ssl:ovn-central-0.ovn-central-endpoints.openstack.svc.cluster.local:6642: entering IDLE
  2022-12-05T11:19:54.403Z|21690|jsonrpc|DBG|ssl:ovn-central-0.ovn-central-endpoints.openstack.svc.cluster.local:6642: send request, method="echo", params=[], id="echo"

  by passing the ovn-relay and communicating directly with the SB db
  server worked around this issue.

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