Added time trigger to clean up failed docker images at noon

roles/cleanup-failed-docker-backups/handlers/main.yml

@@ -3,3 +3,10 @@
     name: cleanup-failed-docker-backups.service
     enabled: yes
     daemon_reload: yes
+
+- name: "restart cleanup-failed-docker-backups.timer"
+  systemd:
+    name: cleanup-failed-docker-backups.timer
+    state: restarted
+    enabled: yes
+    daemon_reload: yes

roles/cleanup-failed-docker-backups/tasks/main.yml

@@ -22,4 +22,12 @@
 - name: run the cleanup_failed_docker_backups tasks once
   set_fact:
     run_once_cleanup_failed_docker_backups: true
-  when: run_once_cleanup_failed_docker_backups is not defined
+  when: run_once_cleanup_failed_docker_backups is not defined
+
+- name: create cleanup-failed-docker-backups.timer
+  template:
+    src: cleanup-failed-docker-backups.timer.j2
+    dest: /etc/systemd/system/cleanup-failed-docker-backups.timer
+  register: cleanup_disc_space_timer
+  changed_when: cleanup_disc_space_timer.changed or activate_all_timers | bool
+  notify: restart cleanup-failed-docker-backups.timer

roles/cleanup-failed-docker-backups/templates/cleanup-failed-docker-backups.timer.j2

@@ -0,0 +1,10 @@
+[Unit]
+Description=starts cleanup-failed-docker-backups.service
+
+[Timer]
+OnCalendar={{on_calendar_cleanup_failed_docker}}
+RandomizedDelaySec={{randomized_delay_sec}}
+Persistent=true
+
+[Install]
+WantedBy=timers.target