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[Bug 1292733] Re: Ironic: unplugging of instance VIFs fails if no VIFs associated with port

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>
Date: Thu, 18 Dec 2014 20:06:53 -0000
Reply-to: Bug 1292733 <1292733@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

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

** Changed in: nova
    Milestone: None => kilo-1

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https://bugs.launchpad.net/bugs/1292733

Title:
  Ironic: unplugging of instance VIFs fails if no VIFs associated with
  port

Status in OpenStack Bare Metal Provisioning Service (Ironic):
  Invalid
Status in OpenStack Compute (Nova):
  Fix Released

Bug description:
  During instance spawn, Ironic attempts to unplug any plugged VIFs from
  ports associated with an instance.  If there are no associated VIFs to
  unplug, instance spawn fails with a nova-compute errror:

  2014-03-14 21:15:35.907 16640 TRACE nova.openstack.common.loopingcall
  HTTPBadRequest: Couldn't apply patch '[{'path': '/extra/vif_port_id',
  'op': 'remove'}]'. Reason: u'vif_port_id'

  The driver should be only attempt to unplug VIFs from ports that
  actually have them associated.

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