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[Bug 1353949] [NEW] nova.exception.ExternalNetworkAttachForbidden is not handled in V3

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Public bug reported:

When creating an instance and assigning a public network to it without admin authority, ExternalNetworkAttachForbidden
will be raised. But this exception is not handled in V3 api.

2014-08-07 19:40:55.032 ERROR nova.api.openstack.extensions [req-a3a824a2-d477-4720-98c7-d3161de268ba demo demo] Unexpected exception in API method
2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions Traceback (most recent call last):
2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions   File "/opt/stack/nova/nova/api/openstack/extensions.py", line 473, in wrapped
2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions     return f(*args, **kwargs)
2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions   File "/opt/stack/nova/nova/api/validation/__init__.py", line 39, in wrapper
2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions     return func(*args, **kwargs)
2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions   File "/opt/stack/nova/nova/api/openstack/compute/plugins/v3/servers.py", line 507, in create
2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions     **create_kwargs)
2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions   File "/opt/stack/nova/nova/hooks.py", line 131, in inner
2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions     rv = f(*args, **kwargs)
2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions   File "/opt/stack/nova/nova/compute/api.py", line 1351, in create
2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions     legacy_bdm=legacy_bdm)
2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions   File "/opt/stack/nova/nova/compute/api.py", line 967, in _create_instance
2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions     max_count)
2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions   File "/opt/stack/nova/nova/compute/api.py", line 734, in _validate_and_build_base_options
2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions     requested_networks, max_count)
2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions   File "/opt/stack/nova/nova/compute/api.py", line 447, in _check_requested_networks
2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions     max_count)
2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions   File "/opt/stack/nova/nova/network/neutronv2/api.py", line 709, in validate_networks
2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions     neutron=neutron)
2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions   File "/opt/stack/nova/nova/network/neutronv2/api.py", line 169, in _get_available_networks
2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions     network_uuid=net['id'])
2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions ExternalNetworkAttachForbidden: It is not allowed to create an interface on external network 447d82c5-bf58-4f39-ac2f-a30227a464e2

** Affects: nova
     Importance: Undecided
     Assignee: Haiwei Xu (xu-haiwei)
         Status: New

** Changed in: nova
     Assignee: (unassigned) => Haiwei Xu (xu-haiwei)

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https://bugs.launchpad.net/bugs/1353949

Title:
  nova.exception.ExternalNetworkAttachForbidden is not handled in V3

Status in OpenStack Compute (Nova):
  New

Bug description:
  When creating an instance and assigning a public network to it without admin authority, ExternalNetworkAttachForbidden
  will be raised. But this exception is not handled in V3 api.

  2014-08-07 19:40:55.032 ERROR nova.api.openstack.extensions [req-a3a824a2-d477-4720-98c7-d3161de268ba demo demo] Unexpected exception in API method
  2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions Traceback (most recent call last):
  2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions   File "/opt/stack/nova/nova/api/openstack/extensions.py", line 473, in wrapped
  2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions     return f(*args, **kwargs)
  2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions   File "/opt/stack/nova/nova/api/validation/__init__.py", line 39, in wrapper
  2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions     return func(*args, **kwargs)
  2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions   File "/opt/stack/nova/nova/api/openstack/compute/plugins/v3/servers.py", line 507, in create
  2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions     **create_kwargs)
  2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions   File "/opt/stack/nova/nova/hooks.py", line 131, in inner
  2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions     rv = f(*args, **kwargs)
  2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions   File "/opt/stack/nova/nova/compute/api.py", line 1351, in create
  2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions     legacy_bdm=legacy_bdm)
  2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions   File "/opt/stack/nova/nova/compute/api.py", line 967, in _create_instance
  2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions     max_count)
  2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions   File "/opt/stack/nova/nova/compute/api.py", line 734, in _validate_and_build_base_options
  2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions     requested_networks, max_count)
  2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions   File "/opt/stack/nova/nova/compute/api.py", line 447, in _check_requested_networks
  2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions     max_count)
  2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions   File "/opt/stack/nova/nova/network/neutronv2/api.py", line 709, in validate_networks
  2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions     neutron=neutron)
  2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions   File "/opt/stack/nova/nova/network/neutronv2/api.py", line 169, in _get_available_networks
  2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions     network_uuid=net['id'])
  2014-08-07 19:40:55.032 TRACE nova.api.openstack.extensions ExternalNetworkAttachForbidden: It is not allowed to create an interface on external network 447d82c5-bf58-4f39-ac2f-a30227a464e2

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