Move backup schedule to cron instead of systemctl

roles/daily-backup/files/daily-backup.service

@@ -1,7 +0,0 @@
-[Unit]
-Description=Full server backup
-
-[Service]
-Type=simple
-ExecStart=/root/fullBackup.sh
-

roles/daily-backup/files/daily-backup.timer

@@ -1,10 +0,0 @@
-[Unit]
-Description=Timer for daily backup
-
-[Timer]
-OnCalendar=*-*-* 04:00:00
-Persistent=true
-
-[Install]
-WantedBy=timers.target
-

roles/daily-backup/tasks/main.yml

@@ -4,20 +4,11 @@
     src: fullBackup.sh
     dest: /root/fullBackup.sh
     mode: 0700
-- name: Copy daily-backup.service
-  copy:
-    src: daily-backup.service
-    dest: /etc/systemd/system/
-    mode: 0700
-- name: Copy daily-backup.timer
-  copy:
-    src: daily-backup.timer
-    dest: /etc/systemd/system/
-    mode: 0700
-- name: Enable and start daily-backup
-  systemd:
-    name: daily-backup.timer
-    state: started
-    enabled: yes
-    daemon_reload: yes
+- name: Create backup cron job
+  cron:
+    name: daily backup
+    state: present
+    minute: 0
+    hour: 4
+    job: "/root/fullBackup.sh"