mariadb: Migrate to use backup_base

roles/mariadb/files/mariadb-backup.sh

@@ -13,7 +13,8 @@ find . -xdev -mindepth 2 -maxdepth 2 -type f -mtime +30 \
 find . -xdev -depth -mindepth 1 -maxdepth 1 -type d -empty \
     -execdir rmdir -- {} \;
 
-mkdir "$DATE"
+mkdir -m 2770 "$DATE"
+chgrp backup "$DATE"
 
 for db in $(mysql -e "show databases" -s) ; do
     case "$db" in

roles/mariadb/meta/main.yml

@@ -0,0 +1,4 @@
+---
+dependencies:
+  - {role: backup_base}
+

roles/mariadb/tasks/main.yml

@@ -96,27 +96,6 @@
     group: "{{ ansible_wheel }}"
   when: mariadb_root_password is defined
 
-- name: Import sftpuser role
-  ansible.builtin.import_role:
-    name: sftpuser
-
-- name: Create backup directory
-  ansible.builtin.file:
-    path: /export/backup
-    state: directory
-    mode: "02750"
-    owner: root
-    group: backup
-
-- name: Link backup directory
-  ansible.builtin.file:
-    path: /srv/backup
-    src: /export/backup
-    state: link
-    owner: root
-    group: "{{ ansible_wheel }}"
-    follow: false
-
 - name: Copy backup script
   ansible.builtin.copy:
     dest: /usr/local/sbin/mariadb-backup