- Correct handling of missing parameters for the www pool.

defaults/main.yml

@@ -20,4 +20,4 @@ php_fpm_www_pool_config:
     pm.status_path: /status.php
     ping.path: /ping.php
     chdir: /
-    chroot: '{{ php_fpm_chroot[ansible_os_family]|default(None) }}'
+    chroot: '{{ php_fpm_chroot[ansible_os_family]|default("") }}'

templates/php-fpm/pools/www.conf

 [www]
-{% for key, value in php_fpm_www_pool_config.iteritems() if not value == None %}
+{% for key, value in php_fpm_www_pool_config.iteritems() if not value == '' %}
 {{ key }} = {{ value }}
 {% endfor %}