Enabling MySQL 4-byte support

tasks/install.yml

@@ -191,6 +191,8 @@
     login_password: '{{ mysql_root_password|default("root") }}'
     login_host: '127.0.0.1'
     login_port: '{{ nextcloud.db_port|default("3306") }}'
+    collation: 'utf8mb4_general_ci'
+    encoding: 'utf8mb4'
     state: 'present'
   with_items:
     - 'nextcloud'

templates/config.php.jinja2

@@ -53,4 +53,5 @@ $CONFIG = array (
   'htaccess.RewriteBase' => '/',
   'memcache.local' => '\\OC\\Memcache\\Redis',
   'memcache.locking' => '\\OC\\Memcache\\Redis',
+  'mysql.utf8mb4' => true,
 );