First system-builder example

gistfile1.rb

image = DiskImage.new("/var/tmp/system-builder/disk").tap do |image|
  image.boot = DebianBoot.new('/var/tmp/system-builder/boot').tap do |boot|
    boot.mirror = "http://127.0.0.1:9999/debian"
  end

  image.boot.configure do |chroot|
    chroot.apt_install :puppet
  end
end.create

image.convert "/var/tmp/system-builder/disk.vmdk", :format => "vmdk"