class puppet::common ($ensure = 'present') {
  package { 'facter':
    ensure => $ensure ? {
      'present' => 'latest',
      default   => $ensure,
    }
  }

  # add facter variable to custom facts.
  file { "/etc/profile.d/puppet.sh":
    content => "export FACTERLIB=\"${factpath}\"\n",
    ensure  => $ensure,
  }
}