Improved performance by executing tasks just once per host

roles/cleanup-backups-service/tasks/main.yml

@@ -4,20 +4,29 @@
       - lsof
       - python-psutil
     state: present
+  when: run_once_cleanup_backups_service is not defined
 
 - name: "create {{docker_cleanup_backups}}"
   file:
     path: "{{docker_cleanup_backups}}"
     state: directory
     mode: 0755
+  when: run_once_cleanup_backups_service is not defined
 
 - name: create cleanup-backups.py
   copy: 
     src:  "cleanup-backups.py"
     dest: "{{docker_cleanup_backups}}cleanup-backups.py"
+  when: run_once_cleanup_backups_service is not defined
 
 - name: create cleanup-backups.service
   template: 
     src:  "cleanup-backups.service.j2"
     dest: "/etc/systemd/system/cleanup-backups.service"
   notify: reload cleanup-backups.service
+  when: run_once_cleanup_backups_service is not defined
+
+- name: run the cleanup_backups_service tasks once
+  set_fact:
+    run_once_cleanup_backups_service: true
+  when: run_once_cleanup_backups_service is not defined