[Bug 1567807] Re: nova delete doesn't work with EFI booted VMs

OpenStack Infra 1567807 at bugs.launchpad.net
Sat Feb 11 02:25:13 UTC 2017

Reviewed:  https://review.openstack.org/428314
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=bf6c5ba86509c1e162b1f9d23c7cab603abce914
Submitter: Jenkins
Branch:    stable/newton

commit bf6c5ba86509c1e162b1f9d23c7cab603abce914
Author: Kevin Zhao <kevin.zhao at linaro.org>
Date:   Thu Jan 5 21:32:41 2017 +0000

    libvirt: fix nova can't delete the instance with nvram
    Currently libvirt needs a flag when deleting an VM with a nvram file,
    without which nova can't delete an instance booted with UEFI. Add
    deletion flag for NVRAM. Also add a test case.
    Co-authored-by: Derek Higgins <derekh at redhat.com>
    Change-Id: I46baa952b6c3a1a4c5cf2660931f317cafb5757d
    Closes-Bug: #1567807
    (cherry picked from commit 539d381434ccadcdc3f5d58c2705c35558a3a065)

** Changed in: cloud-archive/newton
       Status: Triaged => Fix Committed

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  nova delete doesn't work with EFI booted VMs

Status in Ubuntu Cloud Archive:
Status in Ubuntu Cloud Archive mitaka series:
Status in Ubuntu Cloud Archive newton series:
  Fix Committed
Status in Ubuntu Cloud Archive ocata series:
Status in OpenStack Compute (nova):
  Fix Released
Status in nova package in Ubuntu:
Status in nova source package in Xenial:
Status in nova source package in Yakkety:
Status in nova source package in Zesty:

Bug description:
  I've been setting up a Mitaka Openstack using the cloud archive
  running on Trusty, and am having problems working with EFI enabled
  instances on ARM64.

  I've done some work with wgrant and gotten things to a stage where I
  can boot instances, using the aavmf images.

  However, when I tried to delete a VM booted like this, I get an error:

    libvirtError: Requested operation is not valid: cannot delete
  inactive domain with nvram

  I've included the full traceback at

  Thanks to a suggestion from wgrant again, I got it working by editing nova/virt/libvirt/guest.py in delete_configuration() and replacing  self._domain.undefineFlags(libvirt.VIR_DOMAIN_UNDEFINE_MANAGED_SAVE) with self._domain.undefineFlags(libvirt.VIR_DOMAIN_UNDEFINE_MANAGED_SAVE | libvirt.VIR_DOMAIN_UNDEFINE_NVRAM).
  I've attached a rough patch.

  Once that's applied and nova-compute restarted, I was able to delete
  the instance fine.

  Could someone please investigate this and see if its the correct fix,
  and look at getting it fixed in the archive?

  This was done on a updated trusty deployment using the cloud-archives
  for mitaka.

  $ dpkg-query -W python-nova
  python-nova     2:13.0.0~b2-0ubuntu1~cloud0

  Please let me know if you need any further information.

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