[Bug 1571872] Re: neutron-openvswitch-agent ignores ml2_conf.ini

[Corey Bryant]

The following bug provides context as to why ml2_conf.ini is now only used by neutron-server:
https://bugs.launchpad.net/ubuntu/+source/neutron/+bug/1527005

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https://bugs.launchpad.net/bugs/1571872

Title:
  neutron-openvswitch-agent ignores ml2_conf.ini

Status in neutron package in Ubuntu:
  New

Bug description:
  During the transition from neutron-plugin-openvswitch-agent to
  neutron-openvswitch-agent, the upstart initscript lost one --config-
  file option: the /etc/neutron/plugins/ml2/ml2_conf.ini . This behavior
  is potentially harmful, since the agent doesn't re-read options from
  ml2_conf.ini during subsequent configuration set-up (even if "ml2" is
  listed among core_plugins).

  This can cause one's network to go berserk, because openvswitch is
  still connected to all its interfaces but neutron-openvswitch-agent
  doesn't introduce any flows to the integration bridge. Could you
  please re-add the "--config-file etc/neutron/plugins/ml2/ml2_conf.ini"
  option to the initscript or provide the reason behind omitting it?
  Thanks a lot.

  System info:
  ubuntu-server-14.04
  neutron-openvswitch-agent 2:8.0.0-0ubuntu1~cloud0
  openvswitch-switch 2.5.0-0ubuntu1~cloud0

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