loadbalancer id is omittted from listener events, causing caching issues

[Adam Gandelman]

when the loadbalancer processes a listener.create event, it misses the loadbalancer id, causing the worker to consult the tenant resource cache for the loadbalancer. if the tenant previously had a loadbalancer that was deleted, the cache ends up returning that and the SM passes on it since its wrong/deleted. we can fix this by ensuring the lb id is extracted from listener events correctly.

to reproduce: create a loadbalancer, then a listener. delete them, create another. the balancer will be created but subsequent listener updates will be dropped, as the rug thinks they are intended for the first deleted balancer.

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/239145
Committed: https://git.openstack.org/cgit/openstack/astara/commit/?id=0f05f08fda5d3c5b4e44fb43b5496b5bda1dd00b
Submitter: Jenkins
Branch: master

commit 0f05f08fda5d3c5b4e44fb43b5496b5bda1dd00b
Author: Adam Gandelman <email address hidden>
Date: Fri Oct 23 20:50:37 2015 -0700

    Extract loadbalancer_id from listener create events

    We're currently dropping the lb id from listener events, causing
    a cache lookup that ends up hitting deleted loadbalancers instead
    of the intended one. This fixes it and looks for loadbalancer_id
    in the correct place of listener create events body.

    Change-Id: Ic94a8ecbd227d097b25ea004cc8bd7ac76c40580
    Closes-bug: #1509595

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/239144
Committed: https://git.openstack.org/cgit/openstack/astara/commit/?id=701d48bf9df7aa2e93bddab528ba5b16cdb0b03e
Submitter: Jenkins
Branch: stable/liberty

commit 701d48bf9df7aa2e93bddab528ba5b16cdb0b03e
Author: Adam Gandelman <email address hidden>
Date: Fri Oct 23 20:50:37 2015 -0700

    Extract loadbalancer_id from listener create events

    We're currently dropping the lb id from listener events, causing
    a cache lookup that ends up hitting deleted loadbalancers instead
    of the intended one. This fixes it and looks for loadbalancer_id
    in the correct place of listener create events body.

    Closes-bug: #1509595
    (cherry picked from commit 1ef5c523e98eaf8d90184083d8f4af4f2619b527)

    Change-Id: I541a2132d66cb0c737fd25452afd87950828ea43