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[Bug 1819460] Re: instance stuck in BUILD state due to unhandled exceptions in conductor

 

Actually ignore comment 15, claim_resources didn't raise
AllocationUpdateFailed until Stein:

https://github.com/openstack/nova/commit/37301f2f278a3702369eec957402e36d53068973

So the bug doesn't apply to Rocky or Queens.

** No longer affects: nova/rocky

** No longer affects: nova/queens

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https://bugs.launchpad.net/bugs/1819460

Title:
  instance stuck in BUILD state due to unhandled exceptions in conductor

Status in OpenStack Compute (nova):
  Fix Released
Status in OpenStack Compute (nova) stein series:
  Fix Committed

Bug description:
  There are two calls[1][2] during ConductorTaskManager.build_instances,
  used during re-schedule, that could potentially raise exceptions which
  leads to that the instance is stuck in BUILD state instead of going to
  ERROR state.


  [1] https://github.com/openstack/nova/blob/892ead1438abc9a8a876209343e6a85c80f0059f/nova/conductor/manager.py#L670
  [2] https://github.com/openstack/nova/blob/892ead1438abc9a8a876209343e6a85c80f0059f/nova/conductor/manager.py#L679

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References