mariadb: Add database backup cron job

roles/mariadb/tasks/main.yml

@@ -88,3 +88,35 @@
     owner: root
     group: "{{ ansible_wheel }}"
   when: mariadb_root_password is defined
+
+- name: create backup directory
+  file:
+    path: /export/backup
+    state: directory
+    mode: 0700
+    owner: root
+    group: "{{ ansible_wheel }}"
+
+- name: link backup directory
+  file:
+    path: /srv/backup
+    src: /export/backup
+    state: link
+    owner: root
+    group: "{{ ansible_wheel }}"
+    follow: false
+
+- name: copy backup script
+  copy:
+    dest: /usr/local/sbin/mariadb-backup
+    src: mariadb-backup.sh
+    mode: 0755
+    owner: root
+    group: "{{ ansible_wheel }}"
+
+- name: create backup cron job
+  cron:
+    name: mariadb-backup
+    job: /usr/loca/sbin/mariadb-backup
+    hour: "0"
+    minute: "30"