ntp.pp

# Installs and configures ntp service with presets for GWDG.
class ubuntu_server::ntp($gwdg_ntp_servers = ['ntps1.gwdg.de','ntps2.gwdg.de','ntps3.gwdg.de']) {

    package{'ntp':
        ensure => present,
    }

    file{'/etc/ntp.conf':
      ensure  => present,
      content => template('ubuntu_server/etc/ntp.conf'),
      mode    => '0640',
      owner   => 'root',
      group   => 'root',
      require => Package['ntp']
    }~> Service['ntp']

    service{'ntp':
        ensure => running,
      require  => Package['ntp']
    }
}