[Bug 1551305] Re: backup service crashes in ceph job with "pure virtual method called"

[Matt Riedemann]

We've dropped the ceph job that uses the packages from the distro, we
get them via the ceph mirrors using the devstack ceph plugin now.

** Changed in: cinder
       Status: Confirmed => Invalid

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Title:
  backup service crashes in ceph job with "pure virtual method called"

Status in Cinder:
  Invalid
Status in ceph package in Ubuntu:
  Invalid
Status in ceph source package in Trusty:
  In Progress

Bug description:
  The service crashes here:

  http://logs.openstack.org/49/281149/5/gate/gate-tempest-dsvm-full-
  ceph/82e9e00/logs/screen-c-bak.txt.gz#_2016-02-29_12_13_20_501

  2016-02-29 12:13:20.501 DEBUG cinder.backup.drivers.ceph [req-01f7866f-34a2-4c5b-8b23-3357236e0013 tempest-VolumesBackupsV1Test-2076678965] Image 'volume-c2490215-a828-4af5-b510-681c0a52c76b.backup.e5db41b1-35a3-4557-bff9-7292054cd1ad' not found - trying diff format name _rbd_image_exists /opt/stack/new/cinder/cinder/backup/drivers/ceph.py:561
  pure virtual method called
  terminate called without an active exception

  On the API side, anything requesting backups fails:

  http://logs.openstack.org/49/281149/5/gate/gate-tempest-dsvm-full-
  ceph/82e9e00/logs/screen-c-api.txt.gz#_2016-02-29_12_16_36_116

  2016-02-29 12:16:36.116 INFO cinder.api.openstack.wsgi [req-
  f817ad3e-6100-4eec-80d1-685edb1d1542 None] HTTP exception thrown:
  Service cinder-backup could not be found.

  So far there is only one hit in the gate for this:

  http://logstash.openstack.org/#dashboard/file/logstash.json?query=message%3A%5C%22HTTP%20exception%20thrown%3A%20Service
  %20cinder-
  backup%20could%20not%20be%20found.%5C%22%20AND%20tags%3A%5C%22screen-c-api.txt%5C%22&from=7d

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