Puppet Class: dispatcher

Defined in:
manifests/init.pp

Summary

Installs and sets up the AEM Dispatcher module on your system.

Overview

When this class is declared with the default options, Puppet:

  • Installs the specified dispatcher module into Apache modules directory

  • Defines a Puppet apache module resource for the dispatcher.

  • Defines a default set of Dispatcher configurations

  • Loads all defined dispatcher farms

  • Reloads the Apache service

Examples:

class { 'dispatcher' :
  module_file => '/path/to/module/file.so'
}
contain dispatcher

Parameters:



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# File 'manifests/init.pp', line 91

class dispatcher (
  Stdlib::Filesource $module_file,
  Boolean $decline_root,
  Stdlib::Absolutepath $log_file,
  Enum['error', 'warn', 'info', 'debug', 'trace'] $log_level,
  Variant[Boolean, Pattern[/^[\d\-,]+$/]] $pass_error,
  Boolean $use_processed_url,
  Array[String] $farms                     = [],
  Optional[Integer[0]] $keep_alive_timeout = undef,
  Optional[Boolean] $no_cannon_url         = undef,
  Array[String] $vhosts                    = [],
) {

  # Check for Apache because it is used by parameter defaults
  if !defined(Class['apache']) {
    fail('You must include the Apache class before using any dispatcher class or resources.')
  }

  if $::osfamily == 'RedHat' or $::operatingsystem =~ /^[Aa]mazon$/ {
    $_mod_path = "${::apache::httpd_dir}/${::apache::lib_path}"
    $_farm_path = $::apache::mod_dir
  } elsif $::osfamily == 'Debian' {
    $_mod_path = $::apache::lib_path
    $_farm_path = $::apache::mod_enable_dir
  } else {
    fail("Class['dispatcher']: Unsupported osfamily: ${::osfamily}")
  }
  $_filename = basename($module_file)

  $_owner = 'root'

  apache::mod { 'dispatcher':
    lib => 'mod_dispatcher.so',
  }

  file { "${_mod_path}/${_filename}":
    ensure  => file,
    owner   => $_owner,
    group   => $::apache::params::root_group,
    source  => $module_file,
    require => Package['httpd'],
    notify  => Class['Apache::Service'],
  }

  file { "${_mod_path}/mod_dispatcher.so":
    ensure  => link,
    owner   => $_owner,
    group   => $::apache::params::root_group,
    target  => "${_mod_path}/${_filename}",
    require => Package['httpd'],
    notify  => Class['Apache::Service'],
  }

  if $facts['selinux_enforced'] {
    File["${_mod_path}/${_filename}"] {
      seltype => 'httpd_modules_t',
    }

    File["${_mod_path}/mod_dispatcher.so"] {
      seltype => 'httpd_modules_t',
    }

    ensure_resource('selboolean', 'httpd_can_network_connect', { value => 'on', persistent => true })
  }

  file { "${_farm_path}/dispatcher.conf":
    ensure  => file,
    owner   => $_owner,
    group   => $::apache::params::root_group,
    content => template("${module_name}/dispatcher.conf.erb"),
    require => Package['httpd'],
    notify  => Class['Apache::Service'],
  }

  file { "${_farm_path}/dispatcher.farms.any":
    ensure  => file,
    owner   => $_owner,
    group   => $::apache::params::root_group,
    source  => 'puppet:///modules/dispatcher/dispatcher.farms.any',
    require => Package['httpd'],
    notify  => Class['Apache::Service'],
  }

  $farms.each |$farm| {
    ensure_resource('dispatcher::farm', $farm, { 'ensure' => 'present' })
  }

  $fragment = "\n  <IfModule disp_apache2.c>\n    SetHandler dispatcher-handler\n  </IfModule>\n\n"

  $vhosts.each |$vhost| {
    apache::vhost::fragment { "${vhost}-dispatcher-fragment":
      vhost    => $vhost,
      priority => getparam(Apache::Vhost[$vhost], 'priority'),
      content  => $fragment
    }
  }
}