made lamp role more generic

roles/lamp/tasks/mysql.yml

@@ -1,16 +1,16 @@
-- name: Create a MySQL database for ownCloud.
+- name: Create a MySQL database.
   community.mysql.mysql_db:
-    name: owncloud
+    name: "{{ mysql_db_name }}"
     state: present
     login_unix_socket: /run/mysqld/mysqld.sock
 
-- name: Create a MySQL db user for ownCloud.
+- name: Create a MySQL db user.
   community.mysql.mysql_user:
-    name: "owncloud"
+    name: "{{ mysql_db_user }}"
     password: "{{ mysql_passwd }}"
     login_user: "root"
     login_password: "{{ mysql_passwd }}"
-    priv: "owncloud.*:ALL"
+    priv: "{{ mysql_db_user }}.*:ALL"
     host: localhost
     state: present
     login_unix_socket: /run/mysqld/mysqld.sock