db: refs #8140 - clean festival

roles/db/defaults/main.yaml

@@ -44,3 +44,8 @@ downloads:
   - url: https://repo.percona.com/apt/percona-release_latest.generic_all.deb
     dest: /tmp/percona-release_latest.generic_all.deb
     mode: u=rw,g=r,o=r
+clean_config_and_scripts:
+  - { path: /root/scripts/events-promote.sh }
+  - { path: /root/scripts/events-demote.sh }
+  - { path: /root/scripts/promote-master.sh }
+  - { path: /root/scripts/promote-slave.sh }

roles/db/tasks/mariadb.yml

@@ -122,3 +122,9 @@
 - name: Mount all filesystems from /etc/fstab
   command: mount -a
   when: fstab.changed
+
+- name: Clean old configs or scripts
+  file:
+    path: "{{ item.path }}"
+    state: absent
+  loop: "{{ clean_config_and_scripts }}"