General optimations during inventory cleanup

roles/svc-bkp-2-usb/templates/svc-sys-bkp-data-to-usb.service.j2

@@ -0,0 +1,12 @@
+[Unit]
+Description=Backup to USB when mounted to {{ backup_to_usb_mount }}
+Wants={{systemctl_mount_service_name}}
+OnFailure=sys-alm-compose.cymais@%n.service
+
+[Service]
+Type=oneshot
+ExecStart=/bin/python {{ backup_to_usb_script_path }} {{backup_to_usb_source}} {{backup_to_usb_destination}}
+ExecStartPost=/bin/systemctl start sys-cln-backups.cymais.service
+
+[Install]
+WantedBy=multi-user.target