class nodo::role::mail {
  class { [ 'nodo::role::vserver', 'mail::system' ]: }

  # Config parameters
  $delivery = hiera('nodo::subsystem::mail::delivery', 'exim')
  $virtual  = hiera('mail::virtual', false)

  # Graph postfix
  munin::plugin { [ 'postfix_mailqueue', 'postfix_mailstats' ]:
    config => 'user root',
    ensure => $delivery ? {
      'postfix' => present,
       default  => absent,
    },
  }

  # Graph mysql
  munin::plugin { [ 'mysql_queries', 'mysql_slowqueries', 'mysql_bytes', 'mysql_threads' ]:
    config => "user root",
    ensure => $virtual ? {
       true     => present,
       default  => absent,
    },
  }
}