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[Doug Hellmann <doug@xxxxxxxxxxxxxxxx>]

** Changed in: nova
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1517926

Title:
  Nova services stop to report state via remote conductor

Status in OpenStack Compute (nova):
  Fix Released
Status in OpenStack Compute (nova) liberty series:
  New

Bug description:
  If _report_state() method
  (https://github.com/openstack/nova/blob/master/nova/servicegroup/drivers/db.py#L85-L111)
  of ServiceGroup DB driver fails remotely in nova-conductor, it will
  effectively break the service state reporting thread
  (https://github.com/openstack/nova/blob/master/nova/servicegroup/drivers/db.py#L54-L57)
  - this nova service will be considered as 'down' until it's
  *restarted*.

  An example of such remote failure in nova-conductor would be a
  temporary DB issue, e.g. http://paste.openstack.org/show/479104/

  This seems to be a regression introduced in
  https://github.com/openstack/nova/commit/3bc171202163a3810fdc9bdb3bad600487625443

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