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[Bug 1602057] Re: Error updating resources for some node

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Matt Riedemann <mriedem@xxxxxxxxxx>
Date: Thu, 06 Oct 2016 16:45:23 -0000
Reply-to: Bug 1602057 <1602057@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

This has been a regression since mitaka:

https://github.com/openstack/nova/commit/1345d0fe1cad5093d49a58b6f0b7f4cb650f61d8

** Changed in: nova
   Importance: Undecided => Medium

** Also affects: nova/mitaka
   Importance: Undecided
       Status: New

** Also affects: nova/newton
   Importance: Undecided
       Status: New

** Tags added: libvirt

** Summary changed:

- Error updating resources for some node
+ (libvirt) KeyError updating resources for some node, guest.uuid is not in BDM list

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https://bugs.launchpad.net/bugs/1602057

Title:
  (libvirt) KeyError updating resources for some node, guest.uuid is not
  in BDM list

Status in OpenStack Compute (nova):
  In Progress
Status in OpenStack Compute (nova) mitaka series:
  New
Status in OpenStack Compute (nova) newton series:
  New

Bug description:
  2016-07-12 09:54:36.021 10056 ERROR nova.compute.manager [req-d5d5d486-b488-4429-bbb5-24c9f19ff2c0 - - - - -] Error updating resources for node controller.
  2016-07-12 09:54:36.021 10056 ERROR nova.compute.manager Traceback (most recent call last):
  2016-07-12 09:54:36.021 10056 ERROR nova.compute.manager   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 6726, in update_available_resource
  2016-07-12 09:54:36.021 10056 ERROR nova.compute.manager     rt.update_available_resource(context)
  2016-07-12 09:54:36.021 10056 ERROR nova.compute.manager   File "/usr/lib/python2.7/site-packages/nova/compute/resource_tracker.py", line 500, in update_available_resource
  2016-07-12 09:54:36.021 10056 ERROR nova.compute.manager     resources = self.driver.get_available_resource(self.nodename)
  2016-07-12 09:54:36.021 10056 ERROR nova.compute.manager   File "/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 5728, in get_available_resource
  2016-07-12 09:54:36.021 10056 ERROR nova.compute.manager     disk_over_committed = self._get_disk_over_committed_size_total()
  2016-07-12 09:54:36.021 10056 ERROR nova.compute.manager   File "/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 7397, in _get_disk_over_committed_size_total
  2016-07-12 09:54:36.021 10056 ERROR nova.compute.manager     local_instances[guest.uuid], bdms[guest.uuid])
  2016-07-12 09:54:36.021 10056 ERROR nova.compute.manager KeyError: '0a5c5743-9555-4dfd-b26e-198449ebeee5'
  2016-07-12 09:54:36.021 10056 ERROR nova.compute.manager

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