[Bug 1884734] Re: OVN deployment issues with high CPU load and disconnects

[OpenStack Infra]

Reviewed:  https://review.opendev.org/737921
Committed: https://git.openstack.org/cgit/openstack/kolla-ansible/commit/?id=cecdb6a175eb8fe1bfff1d9321d06b7ba59990b1
Submitter: Zuul
Branch:    master

commit cecdb6a175eb8fe1bfff1d9321d06b7ba59990b1
Author: Michal Nasiadka <mnasiadka at gmail.com>
Date:   Thu Jun 25 10:24:22 2020 +0200

    openvswitch: Use ansible_hostname for system-id
    
    Currently openvswitch sets system-id based on inventory_hostname, but when
    Ansible inventory contains ip addresses - then it will only take first ip
    octet - resulting in multiple OVN chassis being named i.e. "10".
    Then Neutron and OVN have problems functioning, because a chassis named "10"
    will be created and deleted multiple times per second - this ends up in
    ovsdb and neutron-server processes using up to 100% CPU.
    
    Adding openvswitch role to ovn CI job triggers.
    
    Change-Id: Id22eb3e74867230da02543abd93234a5fb12b31d
    Closes-Bug: #1884734


** Changed in: kolla-ansible
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1884734

Title:
  OVN deployment issues with high CPU load and disconnects

Status in Ubuntu Cloud Archive ussuri series:
  New
Status in Ubuntu Cloud Archive victoria series:
  New
Status in kolla-ansible:
  Fix Released
Status in kolla-ansible ussuri series:
  Triaged
Status in kolla-ansible victoria series:
  Fix Released
Status in openvswitch package in Ubuntu:
  New
Status in openvswitch source package in Focal:
  New
Status in openvswitch source package in Groovy:
  New

Bug description:
  Using: kolla and kolla-ansible 10.0.0rc2, Ussuri

  Problem: networking environment in OpenStack is unstable and unusable.

  OS, OVN versions and logs: http://paste.openstack.org/show/795087/
  Neutron server logs: http://paste.openstack.org/show/795088/

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