php-fpm: fix the path of the session files.

library/roles/php-fpm/defaults/main.yml

@@ -68,7 +68,7 @@ phpfpm_default_extensions: ".php"
 phpfpm_default_context: '/'
 phpfpm_default_session_handler: 'files'
 phpfpm_default_session_prefix: '/var/lib/php'
-phpfpm_session_prefix: '{{ phpfpm_default_session_prefix }}'
+phpfpm_default_session_dir: '{{ phpfpm_default_session_prefix }}/sessions'
 phpfpm_default_define_custom_variables: False
 
 phpfpm_use_memcache_redundancy_sessions: False

library/roles/php-fpm/tasks/main.yml

@@ -2,7 +2,7 @@
 # php as a standalone service
 - name: Install the Ubuntu PHP PPA
   apt_repository: repo={{ php_ppa }} state=present update_cache=yes
-  when: php_from_ppa
+  when: php_from_ppa | bool
   tags: [ 'php', 'php_ppa' ]
 
 - name: Remove the Ubuntu PHP PPA
@@ -37,28 +37,30 @@
 
 - name: Activate the memcache sessions support and redundancy if needed
   action: configfile path={{ phpfpm_base_dir }}/conf.d/20-memcache.ini key={{ item.prop }} value='{{ item.value }}'
-  when: phpfpm_use_memcache_redundancy_sessions
+  when: phpfpm_use_memcache_redundancy_sessions | bool
   with_items: '{{ memcache_session }}'
   notify: Reload php-fpm
   tags: [ 'php', 'php_ini' ]
 
 - name: remove php-fpm default pool
   file: dest={{ phpfpm_base_dir }}/pool.d/www.conf state=absent
-  when: phpfpm_remove_default_pool
+  when: phpfpm_remove_default_pool | bool
   notify: Restart php-fpm
   tags: php
 
 - name: Create the users under the php-fpm processes will run
   user: name={{ item.user }} comment="{{ item.user }}" home=/dev/null createhome=no shell=/sbin/nologin
   with_items: '{{ phpfpm_pools }}'
-  when: phpfpm_create_users
+  when: phpfpm_create_users | bool
   notify: Restart php-fpm
   tags: [ 'php', 'fpm_pool' ]
 
 - name: Create the directories where to store the sessions files. One for each pool
   file: dest={{ phpfpm_session_prefix }}/{{ item.pool_name }} owner={{ item.user }} group=root mode=0750 state=directory
   with_items: '{{ phpfpm_pools }}' 
-  when: phpfpm_use_default_template
+  when:
+    - phpfpm_session_prefix is defined
+    - phpfpm_use_default_template | bool
   tags: [ 'php', 'fpm_pool' ]
 
 - name: Create the directories where to store the log files
@@ -77,13 +79,13 @@
 - name: Install the php-fpm pools
   template: src=php-fpm-pool.conf.j2 dest={{ phpfpm_base_dir }}/pool.d/{{ item.pool_name }}.conf owner=root group=root mode=0444
   with_items: '{{ phpfpm_pools }}'
-  when: phpfpm_use_default_template
+  when: phpfpm_use_default_template | bool
   notify: Restart php-fpm
   tags: [ 'php', 'fpm_conf', 'fpm_pool', 'fpm_pool_conf' ]
 
 - name: Ensure that the php-fpm service is started and enabled
   service: name=php{{ php_version }}-fpm state=started enabled=yes
-  when: phpfpm_service_enabled
+  when: phpfpm_service_enabled | bool
   tags: php
 
 - name: Ensure that the php-fpm service is stopped and disabled

library/roles/php-fpm/templates/php-fpm-pool.conf.j2

@@ -284,7 +284,7 @@ php_value[session.save_handler] = '{{ item.session_save_handler | default('files
 {% if phpfpm_session_prefix is defined %}
 php_value[session.save_path] = '{{ phpfpm_session_prefix }}/{{ item.pool_name }}'
 {% else %}
-php_value[session.save_path] = '/var/lib/php/www'
+php_value[session.save_path] = '{{ phpfpm_default_session_dir }}'
 {% endif %}
 {% if item.define_custom_variables is defined and item.define_custom_variables %}
 {% for php_var in phpfpm_php_variables %}