cleanup directories were already managed, so using exec rm instead

  include stdlib

  $dirs = unique([

  unique(

    [

      $log_dir,

      '/var/log/apache2',

      '/var/lock/apache2',

      '/var/run/apache2',

  ])

  file { $dirs:

    ensure  => directory,

    recurse => true,

    purge   => true,

    owner   => 'www-data',

    group   => 'www-data',

    mode    => '0755',

    ]

  ).each | $dir | {

    exec { "clean-${dir}":

      command => "/bin/rm -rf ${dir}/*",

      cwd     => '/',

    }

  }

}