Get the number of dedicated_nodes from bosh instances
Get the number of dedicated_nodes from bosh instances

[#150125398]

Signed-off-by: Emmanouil Kiagias <31482e714f170eb42dabd7a13c5312c64135b287@pivotal.io>

pivotal-cf/cf-redis-release,pivotal-cf/cf-redis-release,pivotal-cf/cf-redis-release