[Bug 1750121] Re: Dynamic routing: adding speaker to agent fails

[Corey Bryant]

@Dr. Jens, Thanks for testing. I'd prefer the user manually restart
neutron-server. It doesn't feel right to have neutron-dynamic-routing
postinst do a restart of neutron-server.

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https://bugs.launchpad.net/bugs/1750121

Title:
  Dynamic routing: adding speaker to agent fails

Status in Ubuntu Cloud Archive:
  Fix Committed
Status in Ubuntu Cloud Archive pike series:
  Fix Committed
Status in Ubuntu Cloud Archive queens series:
  Fix Committed
Status in neutron:
  Fix Released
Status in neutron-dynamic-routing package in Ubuntu:
  Fix Released
Status in neutron-dynamic-routing source package in Artful:
  Fix Committed
Status in neutron-dynamic-routing source package in Bionic:
  Fix Committed
Status in neutron-dynamic-routing source package in Cosmic:
  Fix Released

Bug description:
  SRU details for Ubuntu
  ----------------------
  [Impact]
  See "Original description" below.

  [Test Case]
  See "Original description" below.

  [Regression Potential]
  Low. This is fixed upstream in corresponding stable branches.

  
  Original description
  --------------------
  When following https://docs.openstack.org/neutron-dynamic-routing/latest/contributor/testing.html everything works fine because the speaker is scheduled to the agent automatically (in contrast to what the docs say). But if I remove the speaker from the agent and add it again with

  $ neutron bgp-dragent-speaker-remove 0159fc0a-22de-4995-8fad-8fb8835a4d86 bgp-speaker
  $ neutron bgp-dragent-speaker-add 0159fc0a-22de-4995-8fad-8fb8835a4d86 bgp-speaker

  the following error is seen in the log:

  Feb 17 10:56:30 test-node01 neutron-bgp-dragent[18999]: ERROR
  neutron_dynamic_routing.services.bgp.agent.bgp_dragent [None req-
  da9a22ae-52a2-4be7-a3e8-2dc2dc970fdd admin admin] Call to driver for
  BGP Speaker d2aa5935-30c2-4369-83ee-b3a0ff77cc49 add_bgp_peer has
  failed with exception 'auth_type'.

  The same thing happens when there are multiple agents and one tries to
  add the speaker to one of the other agents.

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