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[Bug 1779868] [NEW] Evacuate/rebuild fail mail cause inconsistent requests to nova database

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Margarita Shakhova <shakhova.margarita@xxxxxxxxx>
Date: Tue, 03 Jul 2018 13:24:08 -0000
Reply-to: Bug 1779868 <1779868@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

Public bug reported:

In case if evacuation or rebuild fails there is a possibility to have more than one records for a failed evacuation in 'accepted' state.
At the same time, _destroy_evacuated_instances() in nova.compute.manager.ComputeManager performs db query in assumption that there is just one single db record for the failed evacuation.
As a result, one row will be updated and all other rows will remain for next call of  _destroy_evacuated_instances().

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1779868

Title:
  Evacuate/rebuild fail mail cause inconsistent requests to nova
  database

Status in OpenStack Compute (nova):
  New

Bug description:
  In case if evacuation or rebuild fails there is a possibility to have more than one records for a failed evacuation in 'accepted' state.
  At the same time, _destroy_evacuated_instances() in nova.compute.manager.ComputeManager performs db query in assumption that there is just one single db record for the failed evacuation.
  As a result, one row will be updated and all other rows will remain for next call of  _destroy_evacuated_instances().

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