Sheepdog driver doesn't implement copy_volume_to_image

[YAMADA Hideki]

Because of this bug, tempest api volume test fails.

ubuntu@ip-172-31-16-41:/opt/stack/tempest$ ./tools/pretty_tox.sh tempest.api.volume.test_volumes_actions.VolumesV2ActionsTest.test_volume_upload

(snip)

{0} tempest.api.volume.test_volumes_actions.VolumesV2ActionsTest.test_volume_upload [2.261545s] ... FAILED

(snip)

======
Totals
======
Ran: 1 tests in 15.0000 sec.
 - Passed: 0
 - Skipped: 0
 - Failed: 1
Sum of execute time for each test: 2.2615 sec.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/161400

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/161400
Committed: https://git.openstack.org/cgit/openstack/cinder/commit/?id=de864b55cb495d74fa13c4a70ed42e623bbe3f71
Submitter: Jenkins
Branch: master

commit de864b55cb495d74fa13c4a70ed42e623bbe3f71
Author: YAMADA Hideki <email address hidden>
Date: Wed Mar 4 18:11:23 2015 +0000

    Add missing copy_volume_to_image method to Sheepdog driver

    Copy Volume to Image feature is required since Havana release.
    The Sheepdog driver has not implemented it.

    Change-Id: I940095be7ed3721cc8f1bafde821fbb420d305d0
    Closes-Bug: #1426431