Alan Bishop d4affe0a5b Add support for cinder RBD driver parameter
Add the ability to control the rbd_flatten_volume_from_snapshot
setting in cinder's RBD driver. The parameter has been supported in
puppet-cinder for a while, and this patch makes it possible to
control the value using hiera data.

Change-Id: I430a2d1793ffcd0964d268a1930e3fb85e32a995
2019-09-06 10:57:44 -07:00
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