'when: X' -> 'when: X | bool' for Ansibl 2.8

roles/mysql/tasks/main.yml

@@ -14,7 +14,7 @@
       #- php{{ php_version }}-xml
       - php{{ php_version }}-xmlrpc
     state: present
-  when: is_debuntu
+  when: is_debuntu | bool
   tags:
     - download
 
@@ -28,7 +28,7 @@
   package:
     name: php-xml-parser
     state: present
-  when: is_debian_8
+  when: is_debian_8 | bool
 
 - name: "Install packages: mysql, MySQL-python and 9 php packages (OS's other than debuntu)"
   package:
@@ -64,13 +64,13 @@
   systemd:
     name: "{{ mysql_service }}"
     state: started
-  when: mysql_enabled
+  when: mysql_enabled | bool
 
 - name: Enable MySQL systemd service (upon subsequent boots) if mysql_enabled
   systemd:
     name: "{{ mysql_service }}"
     enabled: yes
-  when: mysql_enabled
+  when: mysql_enabled | bool
 
 # 'localhost' needs to be the last item for idempotency, see
 # http://ansible.cc/docs/modules.html#mysql-user
@@ -81,7 +81,7 @@
     host: localhost
     password: "{{ mysql_root_password }}"
     priv: "*.*:ALL,GRANT"
-  when: mysql_enabled
+  when: mysql_enabled | bool
 
 - name: Install .my.cnf file from template, with root password credentials, if mysql_enabled
   template:
@@ -89,7 +89,7 @@
     dest: /root/.my.cnf
     owner: root
     mode: 0600
-  when: mysql_enabled
+  when: mysql_enabled | bool
 
 - name: Update MySQL root password for all remaining root accounts (127.0.0.1, ::1) if mysql_enabled
   mysql_user:
@@ -101,26 +101,26 @@
     #- "{{ iiab_hostname }}.{{ iiab_domain }}"
     - 127.0.0.1
     - ::1
-  when: mysql_enabled
+  when: mysql_enabled | bool
 
 - name: Delete anonymous MySQL server user for {{ ansible_hostname }}, if mysql_enabled
   mysql_user:
     user: ""
     host: "{{ ansible_hostname }}"
     state: absent
-  when: mysql_enabled
+  when: mysql_enabled | bool
 
 - name: Delete anonymous MySQL server user for localhost, if mysql_enabled
   mysql_user:
     user: ""
     state: absent
-  when: mysql_enabled
+  when: mysql_enabled | bool
 
 - name: Remove the MySQL 'test' database, if mysql_enabled
   mysql_db:
     db: test
     state: absent
-  when: mysql_enabled
+  when: mysql_enabled | bool
 
 # we had to start mysql in order to configure it, now turn if off if not enabled
 - name: Config is done but now DISABLE MySQL service, if not mysql_enabled