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[Matt Riedemann <mriedem@xxxxxxxxxx>]

I did some digging in Tempest this morning and there is a volume
snapshots compute API test:

https://github.com/openstack/tempest/blob/master/tempest/api/compute/volumes/test_volume_snapshots.py#L42

However, that's simply testing the nova API proxy to the cinder API to
snapshot a volume, it's not actually attached to a server instance. And
it's redundant with another Tempest test, so probably needs to be
removed or rewritten to include a server.

There is the test_stamp_pattern scenario test which snapshots a volume-
backed server, but it's currently being skipped (I'm working on
unskipping it).

So I think we basically need to cleanup
https://github.com/openstack/tempest/blob/master/tempest/api/compute/volumes/test_volume_snapshots.py#L42
or add another set of tests in there which do the following:

1. snapshot a volume-backed server that is active (default case)
2. snapshot a volume-backed server that is shutdown
3. snapshot a volume-backed server that is paused
4. snapshot a volume-backed server that is suspended

I could see most of that test code being common code in the module, with
individual tests calling it and passing in or handling the pre-condition
for the server state.

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

** Changed in: tempest
   Importance: Undecided => Wishlist

-- 
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Engineering Team, which is subscribed to OpenStack Compute (nova).
https://bugs.launchpad.net/bugs/1564596

Title:
   backup operation of volume backed instances cannot be done in pause
  and suspend state

Status in OpenStack Compute (nova):
  In Progress
Status in tempest:
  New

Bug description:
  This is a corner case of bug
  https://bugs.launchpad.net/nova/+bug/1361487

  While bug 1361487 was fixed in Kilo in
  https://review.openstack.org/#/c/116789/

  the problem is still present when the instance is volume backed. You
  will get this exception in the logs

  upstart/nova-api.log:2016-03-22 08:49:53.925 3557 INFO
  nova.api.openstack.wsgi [req-6e6982b6-917f-4039-bef4-2da25e859011
  dea08a1751064e5180cdd3d5701047d8 453670a92914454dae57f61e417a428f - -
  -] HTTP exception thrown: Cannot 'createImage' instance 0cbc3c3a-065f-
  4d2e-a1c2-b0e274553a70 while it is in vm_state paused

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