Bind9 Gate occasionally failing during tempest tests

[Kiall Mac Innes]

The Bind9 Gate occasionally failing during tempest tests due to RRsets not correctly moving to ACTIVE. Example logs: http://logs.openstack.org/51/197251/6/gate/gate-designate-dsvm-bind9/966eda1/

Typically, we see something like this:

2015-07-02 12:54:30.513 | 2015-07-02 12:54:30.510 | ==============================
2015-07-02 12:54:30.514 | 2015-07-02 12:54:30.512 | Failed 1 tests - output below:
2015-07-02 12:54:30.516 | 2015-07-02 12:54:30.513 | ==============================
2015-07-02 12:54:30.517 | 2015-07-02 12:54:30.514 |
2015-07-02 12:54:30.518 | 2015-07-02 12:54:30.515 | v2.test_recordset.RecordsetTest.test_crud_recordset_AAAA
2015-07-02 12:54:30.520 | 2015-07-02 12:54:30.517 | --------------------------------------------------------
2015-07-02 12:54:30.521 | 2015-07-02 12:54:30.518 |
2015-07-02 12:54:30.522 | 2015-07-02 12:54:30.520 | Captured traceback:
2015-07-02 12:54:30.524 | 2015-07-02 12:54:30.521 | ~~~~~~~~~~~~~~~~~~~
2015-07-02 12:54:30.525 | 2015-07-02 12:54:30.522 | Traceback (most recent call last):
2015-07-02 12:54:30.526 | 2015-07-02 12:54:30.524 | File "/opt/stack/new/designate/functionaltests/common/utils.py", line 25, in new_method
2015-07-02 12:54:30.528 | 2015-07-02 12:54:30.525 | return f(self, *args, **kwargs)
2015-07-02 12:54:30.529 | 2015-07-02 12:54:30.526 | File "/opt/stack/new/designate/functionaltests/api/v2/test_recordset.py", line 63, in test_crud_recordset
2015-07-02 12:54:30.532 | 2015-07-02 12:54:30.529 | self.zone.id, recordset_id)
2015-07-02 12:54:30.533 | 2015-07-02 12:54:30.530 | File "/opt/stack/new/designate/functionaltests/api/v2/clients/recordset_client.py", line 61, in wait_for_recordset
2015-07-02 12:54:30.534 | 2015-07-02 12:54:30.532 | lambda: self.is_recordset_active(zone_id, recordset_id))
2015-07-02 12:54:30.536 | 2015-07-02 12:54:30.533 | File "/opt/stack/new/designate/functionaltests/common/utils.py", line 94, in wait_for_condition
2015-07-02 12:54:30.537 | 2015-07-02 12:54:30.535 | raise Exception("Timed out after {0} seconds".format(timeout))
2015-07-02 12:54:30.541 | 2015-07-02 12:54:30.536 | Exception: Timed out after 40 seconds