Listing 2. /modules/nagios/manifests/export.pp

# All agents (including the nagios server) will use this
class nagios::export {

  @@nagios_host { $::hostname:
    address => $::ipaddress,
    check_command => 'check_host_alive!3000.0,80%!5000.0,100%!10',
    target => "/etc/nagios/resource.d/host_${::hostname}.cfg",
  }
}