playbooks/aur-dev: Add apc to the php extensions

roles/aurweb: Add the apc configuration variables

Added the apc to the php extensions on the playbook, instead of adding
it on the conf.d directory. Added the apc variables to the defaults file.

playbooks/aur-dev.archlinux.org.yml

@@ -13,7 +13,7 @@
     - { role: mariadb, mariadb_innodb_buffer_pool_size: '64M', mariadb_table_open_cache: '256', mariadb_query_cache_type: '0',
               mariadb_innodb_file_per_table: True }
     - { role: sudo }
-    - { role: php-fpm, php_extensions: ['apcu', 'iconv', 'mysqli', 'pdo_mysql'], zend_extensions: ['opcache'] }
+    - { role: php-fpm, php_extensions: ['apc', 'apcu', 'iconv', 'mysqli', 'pdo_mysql'], zend_extensions: ['opcache'] }
     - { role: uwsgi, tags: ["uwsgi"] }
     - { role: borg-client, tags: ["borg"] }
     - { role: postfix, postfix_relayhost: "orion.archlinux.org" }

roles/aurweb/defaults/main.yml

@@ -22,3 +22,6 @@ aurweb_cache: 'apc'
 aurweb_cache_pkginfo_ttl: '86400'
 aurweb_request_limt: '4000'
 aurweb_window_length: '86400'
+aurweb_apc_shm_size: '1024M'
+aurweb_apc_ttl: '1800'
+aurweb_apc_entries_hint: '0'