roles/php5-fpm: Add templated php.ini

Adds a default php.ini for php5-fpm from Ubuntu 14.04 which enables
sane settings for PHP 5.5's opcache as well as disables pathinfo.

Closes #9.

Signed-off-by: Alan Orth <alan.orth@gmail.com>

roles/php5-fpm/defaults/main.yml

@@ -0,0 +1,21 @@
+---
+# file: roles/php5-fpm/defaults/main.yml
+
+# default is on, but turn it off because of protection in nginx vhosts
+cgi_fix_pathinfo: 0
+
+# some sane defaults for PHP 5.5+ Opcache
+# see: https://php.net/manual/en/opcache.installation.php
+opcache_enable: 1
+opcache_enable_cli: 1
+opcache_memory_consumption: 128
+opcache_interned_strings_buffer: 8
+opcache_max_accelerated_files: 4000
+opcache_use_cwd: 1
+opcache_validate_timestamps: 1
+opcache_revalidate_freq: 60
+opcache_save_comments: 0
+opcache_load_comments: 0
+opcache_fast_shutdown: 1
+
+# vim: set ts=2 sw=2:

roles/php5-fpm/tasks/main.yml

@@ -23,10 +23,9 @@
   notify: restart php5-fpm
   tags: php5-fpm
 
-# re-configure php to only process exact paths, see:
-# http://codex.wordpress.org/Nginx
+# re-configure php.ini
 - name: Update php.ini
-  replace: dest=/etc/php5/fpm/php.ini regexp='^;cgi\.fix_pathinfo=0$' replace='cgi.fix_pathinfo=0'
+  template: src=php.ini.j2 dest=/etc/php5/fpm/php.ini owner=root group=root mode=0644
   notify: restart php5-fpm
   tags: php5-fpm