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[OpenStack Infra <1878583@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.opendev.org/728011
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=cfde53e4b402e71d7f53b6e0ab232854dba160dc
Submitter: Zuul
Branch:    master

commit cfde53e4b402e71d7f53b6e0ab232854dba160dc
Author: Lee Yarwood <lyarwood@xxxxxxxxxx>
Date:   Thu May 14 10:49:07 2020 +0100

    compute: Allow snapshots to be created from PAUSED volume backed instances
    
    Iabeb44f843c3c04f767c4103038fcf6c52966ff3 allowed snapshots to be
    created from PAUSED non-volume backed instances but missed the volume
    backed use case.
    
    This change simply adds PAUSED to the list of acceptable vm_states when
    creating a snapshot from a volume backed instance in addition to the
    already supported ACTIVE, STOPPED and SUSPENDED vm_states.
    
    Closes-Bug: #1878583
    Change-Id: I9f95a054de9d43ecaa50ff7ffc9343490e212d53


** Changed in: nova
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1878583

Title:
  Unable to createImage/snapshot paused volume backed instances

Status in OpenStack Compute (nova):
  Fix Released

Bug description:
  Description
  ===========
  Unable to createImage/snapshot paused volume backed instances.

  Steps to reproduce
  ==================
  - Pause a volume backed instance
  - Attempt to snapshot the instance using the createImage API

  Expected result
  ===============
  A snapshot image is successfully created as is the case for paused instances that are not volume backed.

  Actual result
  =============
  n-api returns the following error:

  {'code': 409, 'message': "Cannot 'createImage' instance
  bc5a7ae4-fca9-4d83-b1b8-5534f51a9404 while it is in vm_state paused"}

  Environment
  ===========
  1. Exact version of OpenStack you are running. See the following
    list for all releases: http://docs.openstack.org/releases/

     master

  2. Which hypervisor did you use?
     (For example: Libvirt + KVM, Libvirt + XEN, Hyper-V, PowerKVM, ...)
     What's the version of that?

     N/A

  2. Which storage type did you use?
     (For example: Ceph, LVM, GPFS, ...)
     What's the version of that?

     N/A

  3. Which networking type did you use?
     (For example: nova-network, Neutron with OpenVSwitch, ...)

     N/A

  Logs & Configs
  ==============

  As above.

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