lxc-php: Have mysqld.sock inside of a directory

Bind mount don't seems to work on a file so the default socket is now
always named mysqld.sock and the configurable variable is
php_conf_mysql_socket_dir that define the directory the socket will be
in.

lxc-php/defaults/main.yml

@@ -8,7 +8,8 @@ php_conf_allow_url_fopen: "Off"
 php_conf_disable_functions: "exec,shell-exec,system,passthru,popen"
 
 # Allows accessing a local mysql database using localhost
-php_conf_mysql_default_socket: Null
+php_conf_mysql_socket_dir: Null
+php_conf_mysql_default_socket: "{{ php_conf_mysql_socket_dir }}/mysqld.sock"
 
 lxc_php_version: Null
 

lxc-php/tasks/misc.yml

@@ -27,6 +27,5 @@
   lxc_container:
     name: "{{ lxc_php_version }}"
     container_config:
-      - "lxc.mount.entry = /var/run/mysqld/mysqld {{ php_conf_mysql_default_socket | replace('/', '', 1) }} none bind,create=file 0 0"
-    state: restarted
-  when: php_conf_mysql_default_socket is string
+      - "lxc.mount.entry = /var/run/mysqld {{ php_conf_mysql_socket_dir | replace('/', '', 1) }} none bind,create=dir 0 0"
+  when: php_conf_mysql_socket_dir is string

lxc-php/templates/z-evolinux-defaults.ini.j2

@@ -7,7 +7,7 @@ html_errors = {{ php_conf_html_errors }}
 allow_url_fopen = {{ php_conf_allow_url_fopen }}
 disable_functions = {{ php_conf_disable_functions }}
 
-{% if php_conf_mysql_default_socket %}
+{% if php_conf_mysql_socket_dir %}
 [Pdo_mysql]
 pdo_mysql.default_socket = {{ php_conf_mysql_default_socket }}