V2 API deferred_delete does not catch InstanceNotFound exceptions

[Christopher Yeoh]

The V2 API deferred delete extension does not catch InstanceNotFound exceptions which causes a traceback in the nova api log

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/68016

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/68016
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=be94594e4f12ef52d5b88d9bd41a5b96fcb5cc3f
Submitter: Jenkins
Branch: master

commit be94594e4f12ef52d5b88d9bd41a5b96fcb5cc3f
Author: Chris Yeoh <email address hidden>
Date: Tue Jan 21 13:57:47 2014 +1030

    Catch InstanceNotFound exceptions for V2 API deferred delete

    Adds handling of InstanceNotFound exceptions in the V2 API
    deferred delete and translate them to HTTPNotFound rather
    than letting them propagate up causing a traceback in the
    nova log.

    Co-Authored-By: Michael Still <email address hidden>

    Change-Id: I3d434f28313ae633bdcb9cef82a7b8b0020b5722
    Closes-Bug: 1270803