mysql update

Former-commit-id: 9801de9b

roles/mysql/tasks/Ubuntu_18_mysql_server.yml

@@ -13,6 +13,7 @@
     path: /etc/mysql/mariadb.conf.d/50-server.cnf
     regexp: '(.*bind.*)'
     replace: '#\1'
+  become: true
 
 - name: make sure mysql conf directory exists
   file: dest=/etc/mysql/conf.d state=directory