Ricardo Rocha 79039bb419 Allow docker_volume_size on cluster create
Add docker_volume_size as an option during cluster create. If not given,
the default is taken from the cluster template.

Add docker_volume_size in the Cluster object and use that instead
of the one from ClusterTemplate.

Update both magnum and magnum cli documentation to reflect the above changes.

Partial-Bug: #1697648
Implements: blueprint flatten-attributes
Change-Id: Ic6d77e6fdf5b068fa5319b238f4fd98b4d499be4
2017-06-23 11:31:27 +00:00
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