[Bug 1032405] [NEW] RBDDriver does not support volume creation from snapshots

[Paul Collins]

Public bug reported:

I've been doing a little work with Nova and Ceph. As part of this work
I've been testing snapshots. I've discovered that RBDDriver does not
implement create_volume_from_snapshot(). Attempts to create volumes from
snapshots instead fall through to VolumeDriver's LVM-based
implementation and then fail.

Attached is a patch against essex that implements this functionality. I
have tested it lightly with a Ceph cluster running 0.48, the stable
"argonaut" release. (Lightly = successfully created a volume from a
snapshot, and then removed it.)

** Affects: nova (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: canonistack

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https://bugs.launchpad.net/bugs/1032405

Title:
  RBDDriver does not support volume creation from snapshots

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