Convert .kitchen.yml to attributes for wrapper cookbook

converter.rb

#!/usr/bin/env ruby

require 'yaml'

y = YAML.load File.open ARGV[0]

def walk hash, stack = [], output = []
  hash.each do |key, val|
    stack << key
    if val.is_a?(Hash)
      walk val, stack, output
    else
      if not val.is_a?(Array)
        val = "'%s'" % val
      end
      output << "default['%s'] = %s\n" % [ stack.join("']['"), val ]
      stack.pop
    end
  end
  stack.pop

  output.sort
end

puts walk y['suites'][0]['attributes']