Support create volume from backup

Registered by TommyLike

We have backup's restore API, but it's not sufficient, when volume_id is not specified cinder will create the new one in the background and the issue is the az, volume type and many other attributes can't be specified, as we already have support
create volume from snapshot/source volume/image, this bp intends to support create volume from backup.

Blueprint information

Status:
Complete
Approver:
Sean McGinnis
Priority:
Medium
Drafter:
TommyLike
Direction:
Approved
Assignee:
TommyLike
Definition:
Approved
Series goal:
Accepted for queens
Implementation:
Implemented
Milestone target:
None
Started by
Jay Bryant
Completed by
TommyLike

Related branches

Sprints

Whiteboard

Gerrit topic: https://review.openstack.org/#q,topic:bp/support-create-volume-from-backup,n,z

Addressed by: https://review.openstack.org/506004
    Support create volume from backup

Addressed by: https://review.openstack.org/512949
    Support create volume from backup

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Work Items

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