qpid driver in topology 2 can cause build up of response messages

[Gordon Sim]

If topology 2 is selected for the qpid driver and the connection is lost then re-established (and the broker state is not lost as part of this), a new receiver is created for responses and as the link name is not specified, a new queue will be created, though the same routing key is used. The old response queue is left there (as auto-delete is off by default), but because the same routing key is being used, all responses for any subsequent requests issued will be enqueued on both old and new queue. Nothing is subscribed to the old queue so the messages there will simply build up.

[Gordon Sim (gsim)]

A workaround is to set the amqp_auto_delete option to True when using that topology and the qpid driver.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/94362

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/94392

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/94392
Committed: https://git.openstack.org/cgit/openstack/oslo-incubator/commit/?id=e29b8aa672ddd5cb29e94cc6d73c62a1f0c657fe
Submitter: Jenkins
Branch: master

commit e29b8aa672ddd5cb29e94cc6d73c62a1f0c657fe
Author: Gordon Sim <email address hidden>
Date: Tue May 20 15:59:50 2014 +0100

    Explicitly name subscription queue

    This ensures that on reconnect the same queue is used rather than leaving it abandoned
    but still bound with the same routing key that will be used with the new queue.

    Change-Id: Ib76371a3b649688df395d7bf07f813a837b2313a
    Closes-Bug: 1318742

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/94362
Committed: https://git.openstack.org/cgit/openstack/oslo.messaging/commit/?id=25f3d9acc395baef730203dcfc3941dbfc4fb73b
Submitter: Jenkins
Branch: master

commit 25f3d9acc395baef730203dcfc3941dbfc4fb73b
Author: Gordon Sim <email address hidden>
Date: Tue May 20 14:27:06 2014 +0100

    Explicitly name subscription queue for responses

    This prevents response queues being abandoned but still bound to
    the exchange with the same key as the newer queue.

    Change-Id: Iee0465010a1c6d00e96fb672505688a0f763f86c
    Closes-Bug: 1318742

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/icehouse
Review: https://review.openstack.org/105491

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/icehouse
Review: https://review.openstack.org/105494

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/105491
Committed: https://git.openstack.org/cgit/openstack/oslo.messaging/commit/?id=f09b9550c8269376f32a8dc05c5efc615619c903
Submitter: Jenkins
Branch: stable/icehouse

commit f09b9550c8269376f32a8dc05c5efc615619c903
Author: Gordon Sim <email address hidden>
Date: Tue May 20 14:27:06 2014 +0100

    Explicitly name subscription queue for responses

    This prevents response queues being abandoned but still bound to
    the exchange with the same key as the newer queue.

    Change-Id: Iee0465010a1c6d00e96fb672505688a0f763f86c
    Closes-Bug: 1318742
    (cherry picked from commit 25f3d9acc395baef730203dcfc3941dbfc4fb73b)