CephFS CSI Kubernetes Backup to Proxmox Backup Server

cephfs-csi-backup.sh

#!/bin/bash

# this is just an example, better source this from a .env file or via cron/other means
export PBS_PASSWORD=password
export PBS_REPOSITORY=k8sbackup@pbs@pbs:backup

ROOTNS=k8s
cd /mnt/pve/cephfs/volumes/csi
for d in csi-vol-*
do
  cd $d
  NS="$(grep 'csi.storage.k8s.io/pvc/namespace = ' .meta  | sed -e 's/^.* = //')"
  PVC="$(grep 'csi.storage.k8s.io/pvc/name = ' .meta  | sed -e 's/^.* = //')"
  /usr/bin/proxmox-backup-client namespace create "${ROOTNS}/${NS}"
  /usr/bin/proxmox-backup-client backup "${PVC}.pxar:$PWD" --backup-id="${PVC}" --backup-type=ct --ns "${ROOTNS}/${NS}"
  cd -
done