#!/usr/bin/bash # create VM clone set -eu # if less or more than one arguments supplied, display usage if [[ $# -ne 1 ]]; then echo "This script takes as input the name of the VM to clone" >&2 echo "Usage: $0 vm_name" >&2 exit 1 fi # change to image-directory cd /lmn/vm VM_NAME=$1 VM_DIR="/tmp/${UID}/vm" VM_XML="${VM_DIR}/${VM_NAME}-clone.xml" if ! [[ -f "${VM_NAME}.xml" && -f "${VM_NAME}.qcow2" ]] && ! [[ -f "${VM_DIR}/${VM_NAME}.xml" && -f "${VM_DIR}/${VM_NAME}.qcow2" ]]; then echo "xml or qcow2 File does not exists." >&2 exit 1 fi # Create User-VM-Dir and link system VM-Images [[ -d "${VM_DIR}" ]] || mkdir -p "${VM_DIR}" sudo /usr/local/bin/link-images.sh # Create backing file cd "${VM_DIR}" qemu-img create -f qcow2 -F qcow2 -b "${VM_NAME}.qcow2" "${VM_NAME}-clone.qcow2" # Create machine-definition-file cp "${VM_DIR}/${VM_NAME}.xml" "${VM_XML}" # set VM_DIR: sed -i "s:VMIMAGEDIR:${VM_DIR}:" "${VM_XML}" # and actually rename the vm (this also updates part of the storage path): sed -i "s/${VM_NAME}/${VM_NAME}-clone/" "${VM_XML}" # set virtiofs-Socket sed -i "s:VIRTIOFSSOCKET:${XDG_RUNTIME_DIR}/virtiofs/${VM_NAME}-clone.sock:" "${VM_XML}"