class apache(
 String $package_name,
 Stdlib::Absolutepath $config_file,
 String $service_name,
 Stdlib::Ensure::Service $ensure = 'running',
 Boolean                 $enable = true,
) {
 package { $package_name:
 ensure => installed,
 before => File[$config_file],
 }
 file { $config_file:
 ensure => file,
 content => template('apache/httpd.conf'),
 notify  => Service[$service_name],
 }
 service { $service_name:
 ensure => $ensure,
 enable => $enable,
 }
}