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[Matthew Treinish <mtreinish@xxxxxxxxxx>]

This doesn't look like a tempest bug to me, it looks like nova is
failing during the volume extend operation and that causes the test to
fail. For example, see:

http://logs.openstack.org/67/518967/2/check/legacy-tempest-dsvm-neutron-
dvr/1188c6c/logs/screen-n-cpu.txt.gz?level=TRACE#_Nov_13_19_52_00_831317

Do you have any reasons or indication that tempest is doing something
incorrectly causing this error state?

** Also affects: nova
   Importance: Undecided
       Status: New

** Changed in: tempest
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1732199

Title:
  test_extend_attached_volume fails with Unexpected
  compute_extend_volume result 'Error'

Status in OpenStack Compute (nova):
  New
Status in tempest:
  Incomplete

Bug description:
  tempest.api.volume.test_volumes_extend.VolumesExtendAttachedTest.test_extend_attached_volume
  [id-301f5a30-1c6f-4ea0-be1a-91fd28d44354] appears to have intermittent
  failures that result in the following stack trace:

  
  2017-11-13 20:01:08.062361 | primary | ==============================
  2017-11-13 20:01:08.062378 | primary |
  2017-11-13 20:01:08.062433 | primary | tempest.api.volume.test_volumes_extend.VolumesExtendAttachedTest.test_extend_attached_volume[id-301f5a30-1c6f-4ea0-be1a-91fd28d44354]
  2017-11-13 20:01:08.062488 | primary | -------------------------------------------------------------------------------------------------------------------------------------
  2017-11-13 20:01:08.062505 | primary |
  2017-11-13 20:01:08.062527 | primary | Captured traceback:
  2017-11-13 20:01:08.062550 | primary | ~~~~~~~~~~~~~~~~~~~
  2017-11-13 20:01:08.062578 | primary |     Traceback (most recent call last):
  2017-11-13 20:01:08.062621 | primary |       File "tempest/api/volume/test_volumes_extend.py", line 184, in test_extend_attached_volume
  2017-11-13 20:01:08.062650 | primary |         'request_id': action['request_id']})
  2017-11-13 20:01:08.062701 | primary |       File "/opt/stack/new/tempest/.tox/tempest/local/lib/python2.7/site-packages/unittest2/case.py", line 702, in assertTrue
  2017-11-13 20:01:08.062730 | primary |         raise self.failureException(msg)
  2017-11-13 20:01:08.062785 | primary |     AssertionError: False is not true : Unexpected compute_extend_volume result 'Error' for request req-78ea7bec-834d-4534-8779-1e97f90a54e4.

  
  For example [1]. There appears to be 12 such failures in the past 7 days [2].

  
  [1] http://logs.openstack.org/67/518967/2/check/legacy-tempest-dsvm-neutron-dvr/1188c6c/job-output.txt.gz#_2017-11-13_20_01_08_062361
  [2] http://logstash.openstack.org/#dashboard/file/logstash.json?query=message%3A%5C%22Unexpected%20compute_extend_volume%20result%20'Error'%5C%22

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