InvalidAggregateAction exception is not handled

[Haiwei Xu]

When an aggregate with 'host' attribute not empty is deleted, InvalidAggregateAction exception will be raised, but this exception
is not handled.

$ nova --os-compute-api-version 3 aggregate-delete agg5
ERROR (ClientException): Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.
<class 'nova.exception.InvalidAggregateAction'> (HTTP 500) (Request-ID: req-9a8500ae-379a-4121-b217-7e7ea6188ad0)

2014-04-07 23:56:16.347 ERROR nova.api.openstack.extensions [req-f7c09203-a681-496c-a84e-18fb3d2e3659 admin demo] Unexpected exception in API method
2014-04-07 23:56:16.347 TRACE nova.api.openstack.extensions Traceback (most recent call last):
2014-04-07 23:56:16.347 TRACE nova.api.openstack.extensions File "/opt/stack/nova/nova/api/openstack/extensions.py", line 472, in wrapped
2014-04-07 23:56:16.347 TRACE nova.api.openstack.extensions return f(*args, **kwargs)
2014-04-07 23:56:16.347 TRACE nova.api.openstack.extensions File "/opt/stack/nova/nova/api/openstack/compute/plugins/v3/aggregates.py", line 155, in delete
2014-04-07 23:56:16.347 TRACE nova.api.openstack.extensions self.api.delete_aggregate(context, id)
2014-04-07 23:56:16.347 TRACE nova.api.openstack.extensions File "/opt/stack/nova/nova/exception.py", line 88, in wrapped
2014-04-07 23:56:16.347 TRACE nova.api.openstack.extensions payload)
2014-04-07 23:56:16.347 TRACE nova.api.openstack.extensions File "/opt/stack/nova/nova/openstack/common/excutils.py", line 82, in __exit__
2014-04-07 23:56:16.347 TRACE nova.api.openstack.extensions six.reraise(self.type_, self.value, self.tb)
2014-04-07 23:56:16.347 TRACE nova.api.openstack.extensions File "/opt/stack/nova/nova/exception.py", line 71, in wrapped
2014-04-07 23:56:16.347 TRACE nova.api.openstack.extensions return f(self, context, *args, **kw)
2014-04-07 23:56:16.347 TRACE nova.api.openstack.extensions File "/opt/stack/nova/nova/compute/api.py", line 3363, in delete_aggregate
2014-04-07 23:56:16.347 TRACE nova.api.openstack.extensions reason='not empty')
2014-04-07 23:56:16.347 TRACE nova.api.openstack.extensions InvalidAggregateAction: Cannot perform action 'delete' on aggregate 3. Reason: not empty.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/85643

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/85643
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=86d1007c2078a0ad80e49088b37660466b1a5cb3
Submitter: Jenkins
Branch: master

commit 86d1007c2078a0ad80e49088b37660466b1a5cb3
Author: Haiwei Xu <email address hidden>
Date: Mon Apr 7 23:49:40 2014 +0900

    Catch InvalidAggregateAction when deleting an aggregate

    When an aggregate with 'host' attribute not empty is deleted,
    InvalidAggregateAction exception will be raised, but this exception
    is not handled.

    Closes-Bug: #1303591
    Change-Id: I4ef0c4a6008acea7e9769e93de79451cfbc0a0fa