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IntenseWebs 2024-04-06 11:19:22 -05:00
parent 4921a32c14
commit cdbad33782

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#!/usr/bin/env bash
# ----------------------------------------------------------------------------------------------------
# AUTHOR : KARTHICK S
# PURPOSE : THIS SCRIPT WILL EXPORT/IMPORT THE CONFIG AND VM DISK.
#
# usage:
# export function will take care of exporting the necessary for all VM. Run as "<scriptname.sh> export"
# import function will take care of importing the necessary for all VM. Run as "<scriptname.sh> import"
#
# NOTE: Do not add trailing / for the directory when giving export and import path.
#------------------------------------------------------------------------------------------------------
# Trigger the script with root user or exit.
if [[ ${UID} -ne 0 ]]; then
echo -e "[EXIT] - Run the script as root user or with sudo privilege..."
exit
fi
function export_vm(){
# Get the export location.
read -p "Provide the directory path where disk and config files to be exported: " EXPORT_LOCATION
# Create the destination directory if not exists.
[[ -d ${EXPORT_LOCATION} ]] || mkdir -p ${EXPORT_LOCATION}
# Exporting the config using virsh dumpxml command.
VM_NAMES=($(virsh list --all| awk '(NR>2)' | awk '{ print $2 }'))
for VM in ${VM_NAMES[@]}; do
virsh dumpxml ${VM} > ${EXPORT_LOCATION}/${VM}.xml
done
# Using rsync copy the entire directory from default location.
echo -e "\n[ Copying disk images ]\n" && sudo rsync -avxp --progress /var/lib/libvirt/images ${EXPORT_LOCATION}
echo -e "\n[ Exported Files ] \n" && ls -lR ${EXPORT_LOCATION}
}
function import_vm(){
# Get the source location.
read -p "Provide the directory path where disk and config files are stored: " SOURCE_LOCATION
# Throws error if directory is not available and exit.
[[ -d ${SOURCE_LOCATION} ]] || { echo "Directory not available"; exit 1 ; }
# Copy all the files to default disk location.
echo -e "[ Copying disk images ]\n" && sudo rsync -avxp --progress ${SOURCE_LOCATION}/images /var/lib/libvirt/
if [[ $? -eq 0 ]]; then
# Define VM
echo -e "\n[ Defining VM ]\n"
for XML_FILE in ${SOURCE_LOCATION}/*.xml; do
virsh define --file ${XML_FILE}
done
echo -e "\n[ Imported VM List ]\n" && virsh list --all
fi
}
case $1 in
export ) export_vm ;;
import ) import_vm ;;
*) echo -e "USAGE :
kvm_export_import.sh export - Export config and disk
kvm_export_import.sh import - Define VM and copy the disk"; exit
esac