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Reviewed:  https://review.openstack.org/514825
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=1ca191fcc4d809c991c23dedc951bbe7206edf1d
Submitter: Zuul
Branch:    master

commit 1ca191fcc4d809c991c23dedc951bbe7206edf1d
Author: Matt Riedemann <mriedem.os@xxxxxxxxx>
Date:   Tue Oct 24 16:45:57 2017 -0400

    Fix AttributeError in BlockDeviceMapping.obj_load_attr
    
    The BDM has no uuid attribute so the debug message in here
    would result in an AttributeError. This has been around since
    the creation of this object, and the debug log message was
    probably copied from the Instance object.
    
    This was only exposed in Pike when this code started
    lazy-loading the instance field:
    
      I1dc54a38f02bb48921bcbc4c2fdcc2c946e783c1
    
    So this change fixes that bug and adds tests for obj_load_attr.
    
    Change-Id: I8b55227b1530a76c2f396c035384abd89237d936
    Closes-Bug: #1726871


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

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https://bugs.launchpad.net/bugs/1726871

Title:
  AttributeError: 'BlockDeviceMapping' object has no attribute 'uuid'

Status in OpenStack Compute (nova):
  Fix Released
Status in OpenStack Compute (nova) pike series:
  Confirmed

Bug description:
  running Pike, Cinder is configured with disabled NAS security and
  enabled snapshots in NFS driver.

  While trying to make a snapshot nova-api reports:

  2017-10-24 13:36:16.558 39 INFO nova.osapi_compute.wsgi.server [req-e6c3dec2-40ea-4858-af91-3d77395d6978 6f4347f3c1b34d69946b17592aaf5b7f aeb3218c5fdc4d58b1094a4d360a2a96 - default default] 10.196.245.222,10.196.245.203 "GET /v2.1/ HTTP/1.1" status: 200 len: 763 time: 0.0097859
  2017-10-24 13:36:17.315 39 ERROR nova.api.openstack.extensions [req-cb2a54c0-6103-41ca-a5dc-587e301bfbb1 6f4347f3c1b34d69946b17592aaf5b7f aeb3218c5fdc4d58b1094a4d360a2a96 - default default] Unexpected exception in API method: AttributeError: 'BlockDeviceMapping' object has no attribute 'uuid'
  2017-10-24 13:36:17.315 39 ERROR nova.api.openstack.extensions Traceback (most recent call last):
  2017-10-24 13:36:17.315 39 ERROR nova.api.openstack.extensions   File "/var/lib/kolla/venv/lib/python2.7/site-packages/nova/api/openstack/extensions.py", line 336, in wrapped
  2017-10-24 13:36:17.315 39 ERROR nova.api.openstack.extensions     return f(*args, **kwargs)
  2017-10-24 13:36:17.315 39 ERROR nova.api.openstack.extensions   File "/var/lib/kolla/venv/lib/python2.7/site-packages/nova/api/validation/__init__.py", line 108, in wrapper
  2017-10-24 13:36:17.315 39 ERROR nova.api.openstack.extensions     return func(*args, **kwargs)
  2017-10-24 13:36:17.315 39 ERROR nova.api.openstack.extensions   File "/var/lib/kolla/venv/lib/python2.7/site-packages/nova/api/openstack/compute/assisted_volume_snapshots.py", line 52, in create
  2017-10-24 13:36:17.315 39 ERROR nova.api.openstack.extensions     create_info)
  2017-10-24 13:36:17.315 39 ERROR nova.api.openstack.extensions   File "/var/lib/kolla/venv/lib/python2.7/site-packages/nova/compute/api.py", line 4165, in volume_snapshot_create
  2017-10-24 13:36:17.315 39 ERROR nova.api.openstack.extensions     return do_volume_snapshot_create(self, context, bdm.instance)
  2017-10-24 13:36:17.315 39 ERROR nova.api.openstack.extensions   File "/var/lib/kolla/venv/lib/python2.7/site-packages/oslo_versionedobjects/base.py", line 67, in getter
  2017-10-24 13:36:17.315 39 ERROR nova.api.openstack.extensions     self.obj_load_attr(name)
  2017-10-24 13:36:17.315 39 ERROR nova.api.openstack.extensions   File "/var/lib/kolla/venv/lib/python2.7/site-packages/nova/objects/block_device.py", line 288, in obj_load_attr
  2017-10-24 13:36:17.315 39 ERROR nova.api.openstack.extensions     'uuid': self.uuid,
  2017-10-24 13:36:17.315 39 ERROR nova.api.openstack.extensions AttributeError: 'BlockDeviceMapping' object has no attribute 'uuid'
  2017-10-24 13:36:17.315 39 ERROR nova.api.openstack.extensions 
  2017-10-24 13:36:17.317 39 INFO nova.api.openstack.wsgi [req-cb2a54c0-6103-41ca-a5dc-587e301bfbb1 6f4347f3c1b34d69946b17592aaf5b7f aeb3218c5fdc4d58b1094a4d360a2a96 - default default] HTTP exception thrown: Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.
  <type 'exceptions.AttributeError'>

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