What's in node?

gistfile1.rb

# Run these commands first:
# sudo ohai > ~/ohai.json && sudo cp /etc/chef/dna.json ~/dna.json && sudo chown deploy:deploy ~/dna.json
# Then start an irb session in ~

require 'json'
ohai = JSON.parse(File.read('ohai.json'))
dna = JSON.parse(File.read('dna.json'))

# Examples...
# Find the instance type:
puts ohai['ec2']['instance_type']

# Find the instance role:
puts dna['instance_role']