Add a basic disk reservation system to CB 2.0, and fix up the Ceph barclamp to use it. [2/3]

This adds a basic framework to allow Chef recipes to reserve disks on
nodes, along with core Crowbar support for making sure those
reservations are known to all noderole runs.


 chef/cookbooks/ceph/recipes/osd.rb | 36 +++++-------------------------------
 1 file changed, 5 insertions(+), 31 deletions(-)

Crowbar-Pull-ID: 49d97fa8999a043f27517044314ccec9d4ee9065

Crowbar-Release: development