class apache::mod::pagespeed (

  $inherit_vhost_config          = 'on',

  $filter_xhtml                  = false,

  $cache_path                    = '/var/cache/mod_pagespeed/',

  $log_dir                       = '/var/log/pagespeed',

  $memcache_servers              = [],

  $rewrite_level                 = 'CoreFilters',

  $disable_filters               = [],

  $enable_filters                = [],

  $forbid_filters                = [],

  $rewrite_deadline_per_flush_ms = 10,

  $additional_domains            = undef,

  $file_cache_size_kb            = 102400,

  $file_cache_clean_interval_ms  = 3600000,

  $lru_cache_per_process         = 1024,

  $lru_cache_byte_limit          = 16384,

  $css_flatten_max_bytes         = 2048,

  $css_inline_max_bytes          = 2048,

  $css_image_inline_max_bytes    = 2048,

  $image_inline_max_bytes        = 2048,

  $js_inline_max_bytes           = 2048,

  $css_outline_min_bytes         = 3000,

  $js_outline_min_bytes          = 3000,

  $inode_limit                   = 500000,

  $image_max_rewrites_at_once    = 8,

  $num_rewrite_threads           = 4,

  $num_expensive_rewrite_threads = 4,

  $collect_statistics            = 'on',

  $statistics_logging            = 'on',

  $allow_view_stats              = [],

  $allow_pagespeed_console       = [],

  $allow_pagespeed_message       = [],

  $message_buffer_size           = 100000,

  $additional_configuration      = {},

  $apache_version                = $::apache::apache_version,

){

  $_lib = $::apache::apache_version ? {

    '2.4'   => 'mod_pagespeed_ap24.so',

    default => undef

  }

  apache::mod { 'pagespeed':

    lib => $_lib,

  }

  file { 'pagespeed.conf':

    ensure  => file,

    path    => "${::apache::mod_dir}/pagespeed.conf",

    content => template('apache/mod/pagespeed.conf.erb'),

    require => Exec["mkdir ${::apache::mod_dir}"],

    before  => File[$::apache::mod_dir],

    notify  => Class['apache::service'],

  }

}