Puppet: Install a package with an answer file

site.pp

#source: http://projects.puppetlabs.com/projects/1/wiki/debian_preseed_patterns

file { "/tmp/file.preseed":
  source => 'puppet:///modules/modulename/file.preseed',
  mode => 600,
  backup => false,
}

package { 'packagename':
  responsefile => '/tmp/file.preseed',
  require      => File['/tmp/file.preseed'],
}