dna.rb generates json, gets handed to chef-solo, makes box happy

dna.rb

require 'rubygems'
require 'json'

my_ssh_keys =  [
  'ssh-rsa blah1',
  'ssh-rsa blah1'
]

other_guy_ssh_keys = [
  'ssh-rsa blah1'
]

dna = {
  :fully_qualified_domain_name => "example.com",
  :mysql => { :skip_networking => true },
  :apache => { :listen_ports => ["80", "443"] },
  :passenger => {:config => {
                  "PassengerUseGlobalQueue" => "on",
                  "PassengerEnabled" => "off"
                }},
  :webapps => [
    {
      :name => "exampleapp",
      :server_name => "staging.example.com",
      :port => 80,
      :authorized_keys => my_ssh_keys + other_guy_ssh_keys,
      :env => "staging"
    },
    {
      :name => "homepage",
      :server_name => "example.com",
      :server_aliases => ["www.example.com"],
      :authorized_keys => my_ssh_keys + other_guy_ssh_keys
    }
  ],

  :gems => [
    "rake", 
    {:name => "mysql", :version => "2.7"},
    {:name => "rails", :version => "2.3.2"}
  ],

  :recipes => [
    "base",
    "hostname", 
    "openssh", 
    "git", 
    "mysql::server", 
    "apache2", "apache2::mod_rails", "apache2::mod_ssl",
    "passenger", 
    "rsync", 
    "postfix",
    "gems",
    "webapps"
   ]
}

open(File.dirname(__FILE__) + "/dna.json", "w").write(dna.to_json)