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[Matt Riedemann <mriedem@xxxxxxxxxx>]

Public bug reported:

I hit this while trying to debug a tempest failure:

http://logs.openstack.org/01/327901/1/check/gate-tempest-dsvm-neutron-
full/8337f93/logs/screen-n-cpu.txt.gz#_2016-06-17_00_33_10_307

2016-06-17 00:33:10.307 24536 ERROR nova.compute.manager [req-f0f3cd57
-64ec-4c10-be5a-ae675278891a tempest-AutoAllocateNetworkTest-681217639
tempest-AutoAllocateNetworkTest-681217639] [instance:
13cb9234-1bc0-4e91-bd78-fd8b3c053ff7] Failed to deallocate network for
instance.

Which logs just this:

                LOG.error(_LE('Failed to deallocate network for instance.'),
                          instance=instance)

We should actually log the exception here for context.

** Affects: nova
     Importance: Medium
     Assignee: Matt Riedemann (mriedem)
         Status: In Progress


** Tags: compute logging usability

** Changed in: nova
   Importance: Undecided => Medium

** Changed in: nova
       Status: New => Confirmed

** Changed in: nova
     Assignee: (unassigned) => Matt Riedemann (mriedem)

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https://bugs.launchpad.net/bugs/1593522

Title:
  Error logging in compute manager _try_deallocate_network should
  include actual error

Status in OpenStack Compute (nova):
  In Progress

Bug description:
  I hit this while trying to debug a tempest failure:

  http://logs.openstack.org/01/327901/1/check/gate-tempest-dsvm-neutron-
  full/8337f93/logs/screen-n-cpu.txt.gz#_2016-06-17_00_33_10_307

  2016-06-17 00:33:10.307 24536 ERROR nova.compute.manager [req-f0f3cd57
  -64ec-4c10-be5a-ae675278891a tempest-AutoAllocateNetworkTest-681217639
  tempest-AutoAllocateNetworkTest-681217639] [instance:
  13cb9234-1bc0-4e91-bd78-fd8b3c053ff7] Failed to deallocate network for
  instance.

  Which logs just this:

                  LOG.error(_LE('Failed to deallocate network for instance.'),
                            instance=instance)

  We should actually log the exception here for context.

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