Automatically detect PHP extension directory

lib/facter/php_extension_dir.rb

@@ -0,0 +1,15 @@
+# Gets the directory where PHP modules are stored. Requires PHP
+# to be installed.
+Facter.add("php_extension_dir") do
+  setcode do
+    if File.exist? "/usr/bin/php"
+      Facter::Util::Resolution.exec('php -r "echo ini_get(\'extension_dir\');"')
+    else
+      if Facter.value("architecture") == "x86_64"
+        "/usr/lib64/php/modules"
+      else
+        "/usr/lib/php/modules"
+      end
+    end
+  end
+end

manifests/module/ini.pp

@@ -13,7 +13,12 @@
 #      }
 #  }
 #  php::module::ini { 'xmlwriter': ensure => absent }
-#
+#  php::module::ini { 'pecl-xdebug':
+#      zend     => true,
+#      settings => {
+#          'xdebug.remote_enable' => '1',
+#      }
+#  }
 define php::module::ini (
   $pkgname  = false,
   $settings = {},
@@ -30,12 +35,18 @@
     default => "php-${pkgname}",
   }
 
+  # Extension directory where modules are located
+  $zend_path = $zend ? {
+    true    => $php::params::extension_dir,
+    false   => '',
+    default => $zend,
+  }
+
   # INI configuration file
   file { "/etc/php.d/${modname}.ini":
     ensure  => $ensure,
     require => Package[$rpmpkgname],
     content => template('php/module.ini.erb'),
   }
-
 }
 

manifests/params.pp

@@ -28,6 +28,10 @@
       $httpd_package_name = 'httpd'
       $httpd_service_name = 'httpd'
       $httpd_conf_dir = '/etc/httpd/conf.d'
+      $extension_dir = "$::php_extension_dir" ? {
+        ''      => '/usr/lib64/php/modules',
+        default => "$::php_extension_dir",
+      }
     }
   }
 }

templates/module.ini.erb

@@ -1,7 +1,7 @@
 ; NOTICE : File auto-generated by puppet, do not edit
 ; Enable <%= @modname %> extension module
 <% if @zend -%>
-zend_extension=<%= @zend %>/<%= @modname %>.so
+zend_extension=<%= @zend_path %>/<%= @modname %>.so
 <% else -%>
 extension=<%= @modname %>.so
 <% end -%>