Use mariadb host priv when creating read_only and admin users

playbooks/roles/mariadb/tasks/main.yml

@@ -120,10 +120,12 @@
     name: "{{ COMMON_MYSQL_READ_ONLY_USER }}"
     password: "{{ COMMON_MYSQL_READ_ONLY_PASS }}"
     priv: "*.*:SELECT"
+    host: "{{ MARIADB_HOST_PRIV }}"
 
 - name: setup the admin db user
   mysql_user:
     name: "{{ COMMON_MYSQL_ADMIN_USER }}"
     password: "{{ COMMON_MYSQL_ADMIN_PASS }}"
     priv: "*.*:CREATE USER"
+    host: "{{ MARIADB_HOST_PRIV }}"