database creation fixed

roles/mail/templates/root-postfix.sql

@@ -1,4 +1,4 @@
 CREATE DATABASE postfix;
-GRANT ALL PRIVILEGES ON postfix.* TO 'postfix_admin'@'%' IDENTIFIED BY '{{ dbpassword }}';
-GRANT SELECT ON postfix.* TO 'postfix'@'%' IDENTIFIED BY '{{ dbpassword }}';
+GRANT ALL PRIVILEGES ON postfix.* TO 'postfix_admin'@'%' IDENTIFIED BY '{{ dbpassword.stdout }}';
+GRANT SELECT ON postfix.* TO 'postfix'@'%' IDENTIFIED BY '{{ dbpassword.stdout }}';
 FLUSH PRIVILEGES;

roles/mariadb/tasks/main.yml

@@ -1,6 +1,6 @@
 ---
 - name: MySQL already installed ?
-  shell: dpkg -l|grep mysql|grep -iq serv
+  shell: dpkg -l|egrep "mysql|mariadb"|grep -iq serv
   ignore_errors: true
   register: mysql