augeas { 'puppet.conf':
    context => '/files/etc/puppet.conf',
    changes => [
      "set agent/server $::servername",
      "set agent/environment $::environment",
    ],
    requires => Package['puppet'],
    notify => Service['puppet'],
  }

  if $puppet_interval {
    Augeas['puppet.conf'] {
      changes +> [
        "set agent/runinterval $puppet_interval",
      ],
    }
  } else {
    Augeas['puppet.conf'] {
      changes +> [
        "del agent/runinterval $puppet_interval",
      ],
    }
  }