gistfile1.rb

boxes = [
  { :name => :default,    :role => 'default',     :ip => '10.11.12.13' },
  { :name => :stats,      :role => 'stats',       :ip => '10.11.12.14' },
  { :name => :something,      :role => 'something',       :ip => '10.11.12.15' },
  { :name => :jenkins,    :role => 'jenkins',     :ip => '10.11.12.16',  :http_forward => 8080 },
  { :name => :buildagent, :role => 'buildagent',  :ip => '10.11.12.17',  :http_forward => 8080 },
  { :name => :something,    :role => 'something',     :ip => '10.11.12.18' }
]

Vagrant::Config.run do |config|

  vm_default = proc do |cnf|
    cnf.vm.box        = "ubuntu-11.10-server-amd64-ruby1.9.3"
    cnf.vm.box_url    = "http://hostname/boxes/ubuntu-11.10-server-amd64-ruby1.9.3.box"
    cnf.vm.customize  ["modifyvm", :id, "--memory", 2048]
  end

  chef_default = proc do |chef|
    chef.cookbooks_path = "cookbooks"
    chef.roles_path     = "roles"
  end

  boxes.each do |opts|

    # Make a box!...
    config.vm.define opts[:name] do |config|
      vm_default.call(config)

      config.vm.forward_port  80, opts[:http_forward] if opts[:http_forward]
      config.vm.network       :hostonly, opts[:ip]
      config.vm.host_name =   "%s.vm" % opts[:name].to_s
      config.vm.share_folder  opts[:share_folder] if opts[:share_folder]

      config.vm.provision :chef_solo do |chef|
        chef_default.call(chef)
        chef.add_role opts[:role].to_s
      end
    end

  end

end