Install MySQL/MariaDB on-demand--for MediaWiki, WordPress, Matomo &/or Admin Console

roles/mysql/tasks/enable-or-disable.yml

@@ -0,0 +1,15 @@
+- name: Enable & Start MySQL ({{ mysql_service }}) systemd service, if mysql_enabled
+  systemd:
+    name: "{{ mysql_service }}"
+    daemon_reload: yes
+    state: started
+    enabled: yes
+  when: mysql_enabled
+
+# We had to start MySQL in order to configure it, now turn if off if not enabled
+- name: Disable & Stop MySQL ({{ mysql_service }}) systemd service, if not mysql_enabled
+  systemd:
+    name: "{{ mysql_service }}"
+    enabled: no
+    state: stopped
+  when: not mysql_enabled

roles/mysql/tasks/main.yml

@@ -26,40 +26,33 @@
     var: mysql_installed
 
 
-- name: Install MySQL if 'mysql_installed' not defined, e.g. in {{ iiab_state_file }}    # /etc/iiab/iiab_state.yml
-  include_tasks: install.yml
-  when: mysql_installed is undefined
+- block:
 
+  - name: Install MySQL if 'mysql_installed' not defined, e.g. in {{ iiab_state_file }}    # /etc/iiab/iiab_state.yml
+    include_tasks: install.yml
+    when: mysql_installed is undefined
 
-- name: Enable & Start MySQL ({{ mysql_service }}) systemd service, if mysql_enabled
-  systemd:
-    name: "{{ mysql_service }}"
-    daemon_reload: yes
-    state: started
-    enabled: yes
-  when: mysql_enabled
+  - include_tasks: enable-or-disable.yml
 
-# We had to start MySQL in order to configure it, now turn if off if not enabled
-- name: Disable & Stop MySQL ({{ mysql_service }}) systemd service, if not mysql_enabled
-  systemd:
-    name: "{{ mysql_service }}"
-    enabled: no
-    state: stopped
-  when: not mysql_enabled
+  - name: Add 'mysql' variable values to {{ iiab_ini_file }}
+    ini_file:
+      path: "{{ iiab_ini_file }}"    # /etc/iiab/iiab.ini
+      section: mysql
+      option: "{{ item.option }}"
+      value: "{{ item.value | string }}"
+    with_items:
+      - option: name
+        value: MySQL
+      - option: description
+        value: '"MySQL is a widely used free and open source (GPLv2) database, offered by most web hosting services, on a diversity of platforms."'
+      - option: mysql_install
+        value: "{{ mysql_install }}"
+      - option: mysql_enabled
+        value: "{{ mysql_enabled }}"
 
+  rescue:
 
-- name: Add 'mysql' variable values to {{ iiab_ini_file }}
-  ini_file:
-    path: "{{ iiab_ini_file }}"    # /etc/iiab/iiab.ini
-    section: mysql
-    option: "{{ item.option }}"
-    value: "{{ item.value | string }}"
-  with_items:
-    - option: name
-      value: MySQL
-    - option: description
-      value: '"MySQL is a widely used free and open source (GPLv2) database, offered by most web hosting services, on a diversity of platforms."'
-    - option: mysql_install
-      value: "{{ mysql_install }}"
-    - option: mysql_enabled
-      value: "{{ mysql_enabled }}"
+  - name: 'SEE ERROR ABOVE (skip_role_on_error: {{ skip_role_on_error }})'
+    fail:
+      msg: ""
+    when: not skip_role_on_error