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[Eoghan Glynn <1446376@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

version:  stable/icehouse from 2014.2.2 onwards (does not impact
stable/{juno|kilo})

nova-api fails to handle Not Authorized from neutron:

2015-04-20 00:49:29.399 22741 TRACE nova.api.openstack     action_result = self.dispatch(meth, request, action_args)
2015-04-20 00:49:29.399 22741 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/api/openstack/wsgi.py", line 1078, in dispatch
2015-04-20 00:49:29.399 22741 TRACE nova.api.openstack     return method(req=request, **action_args)
2015-04-20 00:49:29.399 22741 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/api/openstack/compute/contrib/floating_ips.py", line 187, in delete
2015-04-20 00:49:29.399 22741 TRACE nova.api.openstack     except exception.Forbidden:
2015-04-20 00:49:29.399 22741 TRACE nova.api.openstack AttributeError: 'module' object has no attribute 'Forbidden'

due to a bad backport landed in upstream stable/icehouse:

  https://github.com/openstack/nova/commit/4bc680f2

which uses a juno-era exception class.

Turns out this broken patch has been in the last two upstream
stable/icehouse releases (2014.2.3, 2104.2.4).

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1446376

Title:
  Not Authorized response from neutron causes nova to traceback with
  AttributeError

Status in OpenStack Compute (Nova):
  New

Bug description:
  version:  stable/icehouse from 2014.2.2 onwards (does not impact
  stable/{juno|kilo})

  nova-api fails to handle Not Authorized from neutron:

  2015-04-20 00:49:29.399 22741 TRACE nova.api.openstack     action_result = self.dispatch(meth, request, action_args)
  2015-04-20 00:49:29.399 22741 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/api/openstack/wsgi.py", line 1078, in dispatch
  2015-04-20 00:49:29.399 22741 TRACE nova.api.openstack     return method(req=request, **action_args)
  2015-04-20 00:49:29.399 22741 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/api/openstack/compute/contrib/floating_ips.py", line 187, in delete
  2015-04-20 00:49:29.399 22741 TRACE nova.api.openstack     except exception.Forbidden:
  2015-04-20 00:49:29.399 22741 TRACE nova.api.openstack AttributeError: 'module' object has no attribute 'Forbidden'

  due to a bad backport landed in upstream stable/icehouse:

    https://github.com/openstack/nova/commit/4bc680f2

  which uses a juno-era exception class.

  Turns out this broken patch has been in the last two upstream
  stable/icehouse releases (2014.2.3, 2104.2.4).

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