fix mariadb mapping

vars/main.yml

@@ -10,4 +10,10 @@ ncloud_notify_trusted_proxies:
   - "127.0.0.1"
   - "::1"
   - "{{ hostvars[inventory_hostname]['ansible_default_ipv4']['address'] }}"
-  - "{{ hostvars[inventory_hostname]['ansible_default_ipv6']['address'] }}"
+  - "{{ hostvars[inventory_hostname]['ansible_default_ipv6']['address'] }}"
+
+ncloud_db_mapping:  {
+  'pgsql': 'postgres',
+  'mariadb': 'mysql',
+  'mysql': 'mysql'
+}