Backup using temp snapshot does not work on remote node

[Xing Yang]

The backup using temp snapshot code path was broken in Mitaka. The following patches fixed it on the local node so that the fixes can be backported:
  https://review.openstack.org/#/c/321943/
  https://review.openstack.org/#/c/331835/

We still need to fix it on the remote node so that it works when backup and volume services are running on different nodes.

[OpenStack Infra (hudson-openstack)]

Change abandoned by Sean McGinnis (<email address hidden>) on branch: master
Review: https://review.openstack.org/319434
Reason: This review is > 4 weeks without comment, and failed Jenkins the last time it was checked. We are abandoning this for now. Feel free to reactivate the review by pressing the restore button and leaving a 'recheck' comment to get fresh test results.

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/319434
Committed: https://git.openstack.org/cgit/openstack/cinder/commit/?id=ea7d0860c5deaa345f1d6f7b6a348751222da3d9
Submitter: Jenkins
Branch: master

commit ea7d0860c5deaa345f1d6f7b6a348751222da3d9
Author: xing-yang <email address hidden>
Date: Fri May 20 03:59:14 2016 -0400

    Fix backup temp snapshot path on remote node

    The backup using temp snapshot code path was broken
    in Mitaka. The following patches fixed it on the local
    node so that the fix can be backported:

      https://review.openstack.org/#/c/321943/
      https://review.openstack.org/#/c/331835/

    Continuing with the effort, this patch tries to
    address the problem on the remote node so that
    backup using temp snapshot code path will work
    when backup and volume service are running on
    different nodes.

    Co-Authored-By: Accela Zhao <email address hidden>
    Closes-Bug: #1596305
    Change-Id: I361458adbc1851a99a9bcffe82a02ba96a9fd460

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/cinder 11.0.0.0b2 development milestone.