class apt::unattended_upgrades {
  package{'unattended-upgrades': }
  config_file {
      "/etc/apt/apt.conf.d/unattended_upgrades":
        content => "APT::Periodic::Update-Package-Lists "1";
APT::Periodic::Unattended-Upgrade "1";
",
        before => File[apt_config],
        require => Package['unattended-upgrades'],
    }
  }
}