xenvmbackup.sh

#!/bin/bash

# Script for backing up running Virtual Machines in XenServer
# Written by: Mr. Rahul Kumar
# Creation date: Jun 14, 2014
# Last updated: Mar 14, 2024
# Version: 1.3
# More information at: https://tecadmin.net/backup-running-virtual-machine-in-xenserver/

DATE=$(date +%d%b%Y)
XS_HOSTNAME=$(hostname)
UUIDFILE="/tmp/xen-uuids.txt"
NFS_SERVER_IP="192.168.10.100"
MOUNTPOINT="/xenmnt"
FILE_LOCATION_ON_NFS="/backup/citrix/vms"

# Create mount point
mkdir -p "${MOUNTPOINT}"

# Mounting remote NFS share backup drive
if [ ! -d "${MOUNTPOINT}" ]; then
  echo "No mount point found, kindly check"
  exit 1
fi

mount -F nfs "${NFS_SERVER_IP}:${FILE_LOCATION_ON_NFS}" "${MOUNTPOINT}"

BACKUPPATH="${MOUNTPOINT}/${XS_HOSTNAME}/${DATE}"
mkdir -p "${BACKUPPATH}"
if [ ! -d "${BACKUPPATH}" ]; then
  echo "No backup directory found"
  exit 1
fi

# Fetching list UUIDs of all VMs running on XenServer
xe vm-list is-control-domain=false is-a-snapshot=false | grep uuid | cut -d":" -f2 | tr -d ' ' > "${UUIDFILE}"

if [ ! -f "${UUIDFILE}" ]; then
  echo "No UUID list file found"
  exit 1
fi

while IFS= read -r VMUUID; do
  VMNAME=$(xe vm-list uuid="$VMUUID" | grep "name-label" | cut -d":" -f2 | sed 's/^ *//g')
  SNAPUUID=$(xe vm-snapshot uuid="$VMUUID" new-name-label="SNAPSHOT-$VMUUID-$DATE")

  xe template-param-set is-a-template=false ha-always-run=false uuid="${SNAPUUID}"
  xe vm-export vm="${SNAPUUID}" filename="${BACKUPPATH}/${VMNAME}-${DATE}.xva"
  xe vm-uninstall uuid="${SNAPUUID}" force=true

done < "${UUIDFILE}"

# Unmount the mount point
umount "${MOUNTPOINT}"