This check outputs the status and age of Proxmox VE guest backups done via vzdump or Proxmox Backup Server.
The critical and warning limits for the backup age can be configured in WATO.
It's possible to check the runtime (duration) of the backup-process.
Newly created vm guest are displayed as new service by the check_mk inventory check.
Search for Proxmox Backup Logfile Check in the Setup menu.
Installation: https://github.com/edvler/check_mk_proxmox-qemu-backup