301 lines
10 KiB
Bash
Executable file
301 lines
10 KiB
Bash
Executable file
#!/usr/bin/bash
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# create and run clone
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set -eu
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show_help() {
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cat << EOF >&2
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Usage: $(basename "$0") [options] vmname"
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Create a new clone, start the vm (if not yet running) and run virt-viewer.
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Squid-Proxy will be started too.
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options:
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-n|--new new clone will be created, even if exists
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-p|--persistent new clone will be created persistent, so available after reboot too
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-s|--system qemu:///system instead of default qemu:///session
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--no-viewer start without viewer
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--heads n number of displays
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--memory sizeMB memory size in MB
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--cpu num number of CPUs
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--os OS operating system (win10|linux|..)
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--data-disk size additional data-disk
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--bridge virbrX additional network interface on bridge virbrX
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--uid uid set uid on guest
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--gid gid set gid on guest
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--macvtap additional network interface on device macvtap
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--options options additional options for virt-install command
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EOF
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}
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exit_script() {
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echo "run-vm.sh ${VM_NAME} terminated by trap!" >> "/tmp/${UID}/exit-run-vm.log"
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virsh --connect="${QEMU}" destroy "${VM_NAME}-clone"
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trap - SIGHUP SIGINT SIGTERM # clear the trap
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kill -- -$$ # Sends SIGTERM to child/sub processes
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}
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check_images() {
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# sync vm-torrents and machine definition file
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sudo -u lmnsynci /usr/local/bin/vm-sync get_file "${VM_NAME}.qcow2.torrent"
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[[ -f "${VM_SYSDIR}/${VM_NAME}.qcow2" ]] && sudo -u lmnsynci /usr/local/bin/vm-sync delete_outdated_image "${VM_NAME}.qcow2"
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BACKINGARRAY=()
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imgfile="${VM_SYSDIR}/${VM_NAME}.qcow2" && [[ -f "${VM_DIR}/${VM_NAME}.qcow2" ]] && imgfile="${VM_DIR}/${VM_NAME}.qcow2"
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BACKINGARRAY+=("${imgfile}")
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echo "Imgfile=$imgfile"
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if [[ ! -f "${imgfile}" ]] || ! qemu-img info -U "${imgfile}" | grep "file format: qcow2"; then
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if [[ ! -f "${VM_SYSDIR}/${VM_NAME}.qcow2.torrent" ]]; then
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echo "no base VM disk '${VM_NAME}.qcow2' found and/or ${VM_NAME} not found on server" >&2
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exit 1
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fi
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# sync vm-disk image by torrent
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echo "Try to sync VM ${VM_NAME} by torrent"
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sudo -u lmnsynci /usr/local/bin/vm-sync get_image "${VM_NAME}"
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fi
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backingfile=$(qemu-img info -U "${imgfile}" | grep "^backing file:" | cut -d ' ' -f 3)
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while [[ -n "${backingfile}" ]]; do
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echo "Backingfile required: ${backingfile}"
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imgfile="${VM_SYSDIR}/${backingfile}" && [[ -f "${VM_DIR}/${backingfile}" ]] && imgfile="${VM_DIR}/${backingfile}"
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BACKINGARRAY+=("${imgfile}")
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sudo -u lmnsynci /usr/local/bin/vm-sync get_file "${backingfile}.torrent"
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[[ -f "${VM_SYSDIR}/${backingfile}" ]] && sudo -u lmnsynci /usr/local/bin/vm-sync delete_outdated_image "${backingfile}"
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if [[ ! -f "${imgfile}" ]] || ! qemu-img info -U "${imgfile}" | grep "file format: qcow2"; then
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# sync vm-disk image by torrent
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echo "Try to sync backingfile ${backingfile} by torrent"
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sudo -u lmnsynci /usr/local/bin/vm-sync get_image "${backingfile%.qcow2}"
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fi
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backingfile=$(qemu-img info -U "${imgfile}" | grep "^backing file:" | cut -d ' ' -f 3)
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done
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echo "VM-Image and required backingfiles available"
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echo "Now, let's check the images."
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# Check VM-Images in reverse order
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for ((i=${#BACKINGARRAY[@]}-1; i>=0; i--))
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do
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echo "Checking ${BACKINGARRAY[$i]}"
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if ! qemu-img check -U "${BACKINGARRAY[$i]}" 2>/dev/null; then
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echo "check failed!"
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echo "sync ${BACKINGARRAY[$i]} again"
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sudo -u lmnsynci /usr/local/bin/vm-sync get_file "${BACKINGARRAY[$i]}.torrent"
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sudo -u lmnsynci /usr/local/bin/vm-sync get_image "$(basename "${BACKINGARRAY[$i]}" .qcow2)"
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fi
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done
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echo "VM-Image and required backingfiles available and checked"
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sudo -u lmnsynci /usr/local/bin/vm-sync update_usage_information ${BACKINGARRAY[*]}
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}
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create_clone() {
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local VM_NAME="$1"
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if ! [[ -f "${VM_SYSDIR}/${VM_NAME}.qcow2" || -f "${VM_DIR}/${VM_NAME}.qcow2" ]]; then
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echo "qcow2 File does not exists." >&2
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exit 1
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fi
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# Create User-VM-Dir and link system VM-Images
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[[ -d "${VM_DIR}" ]] || mkdir -p "${VM_DIR}"
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if [[ "${PERSISTENT}" -eq 1 ]]; then
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sudo /usr/local/bin/vm-link-images -p
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else
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sudo /usr/local/bin/vm-link-images
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fi
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# Create backing file
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cd "${VM_DIR}"
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qemu-img create -f qcow2 -F qcow2 -b "${VM_NAME}.qcow2" "${VM_NAME}-clone.qcow2"
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}
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create_printerlist() {
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## Prepare .printerlist.csv
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mkdir -p "${VM_MEDIADIR}"
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chgrp "$(id -g)" "${VM_MEDIADIR}"
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echo "Name;IppURL" > "${VM_MEDIADIR}/.printerlist.csv"
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for p in $(lpstat -v | cut -f 3 -d" " | sed 's/:$//'); do
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echo "$p;ipp://192.168.122.1/printers/$p" >> "${VM_MEDIADIR}/.printerlist.csv"
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done
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}
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start_virtiofsd() {
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# BEGIN temporary fix, while linux-starter are not migrated to --uid and --gid
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if [[ "$LIBVIRTOSINFO" =~ debian.* ]]; then
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[[ "$GUEST_UID" == 0 ]] && GUEST_UID=1010
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[[ "$GUEST_GID" == 0 ]] && GUEST_GID=1010
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fi
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# END temporary fix
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socket="/run/user/$(id -u $USER)/virtiofs-${VM_NAME}.sock"
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/usr/local/bin/virtiofsd --uid-map=:${GUEST_UID}:${UID}:1: --gid-map=:${GUEST_GID}:$(id -g):1: \
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--socket-path "$socket" --shared-dir "/lmn/media/${USER}" --syslog &
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}
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QEMU='qemu:///session'
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NEWCLONE=0
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PERSISTENT=0
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LIBVIRTOSINFO="win10"
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LIBVIRTOPTS=""
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NO_VIEWER=0
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GUEST_UID=0
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GUEST_GID=0
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source /etc/lmn/vm.conf
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TEMP=$(getopt -o no:ps --long new,no-viewer,options:,persistent,system,memory:,data-disk:,heads:,cpu:,bridge:,macvtap,os:,uid:,gid:,help -n $0 -- "$@")
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if [ $? != 0 ] ; then echo "Terminating..." >&2 ; exit 1 ; fi
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eval set -- "$TEMP"
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while true; do
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case "$1" in
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-p | --persistent )
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PERSISTENT=1;
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VM_DIR="${VM_DIR_PERSISTENT}"
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shift
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;;
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-n | --new )
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NEWCLONE=1
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shift
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;;
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-s | --system )
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QEMU='qemu:///system'
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shift
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;;
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-o | --options )
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LIBVIRTOPTS=$2
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shift 2
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;;
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--no-viewer )
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NO_VIEWER=1
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shift
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;;
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--data-disk )
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LIBVIRTOPTS="${LIBVIRTOPTS} --disk ${VM_DIR}/data.qcow2,size=$2,sparse=yes"
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shift 2
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;;
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--heads )
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for i in $(seq $2)
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do
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LIBVIRTOPTS="${LIBVIRTOPTS} --video model.heads=$i"
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done
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shift 2
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;;
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--memory )
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mem_avail=$(sed -En "s/^MemAvailable:\s+([0-9]+)\s+kB/\1/p" /proc/meminfo)
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mem_avail=$((mem_avail / 1024 - 2048))
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if (( $2 < mem_avail )); then
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LIBVIRTOPTS="${LIBVIRTOPTS} --memory $2"
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else
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LIBVIRTOPTS="${LIBVIRTOPTS} --memory ${mem_avail}"
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fi
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shift 2
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;;
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--cpu )
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#cpu=$(sed -En "0,/^cpu cores/s/^cpu cores\s+:\s+([0-9]+)/\1/p" /proc/cpuinfo)
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cpu=$(lscpu | grep "^CPU(s):" | sed 's/.* //g')
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if (( $2 < cpu )); then
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LIBVIRTOPTS="${LIBVIRTOPTS} --vcpu $2"
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else
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LIBVIRTOPTS="${LIBVIRTOPTS} --vcpu ${cpu}"
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fi
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shift 2
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;;
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--bridge )
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if ip link | grep $2; then
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LIBVIRTOPTS="${LIBVIRTOPTS} --network=bridge=$2,model.type=virtio"
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fi
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shift 2
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;;
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--macvtap )
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for interface in $(ip link | sed -En 's/.*(macvtap-.*)@.*/\1/p'); do
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mac="$(ip link | grep -A1 "${interface}" | \
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sed -nE "s%\s+link/ether ([[:xdigit:]:]{17}) .+%\1%p")"
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type="ethernet,mac=${mac},target.dev=${interface},xpath1.set=./target/@managed=no,model.type=virtio"
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LIBVIRTOPTS="${LIBVIRTOPTS} --network type=$type"
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done
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shift
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;;
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--os )
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LIBVIRTOSINFO=$2
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shift 2
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;;
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--uid )
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GUEST_UID=$2
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shift 2
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;;
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--gid )
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GUEST_GID=$2
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shift 2
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;;
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--help )
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show_help
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exit 1
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;;
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-- ) shift; break ;;
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* ) break ;;
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esac
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done
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# if less than one arguments supplied, display usage
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if [[ $# -ne 1 ]] ; then
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show_help
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exit 1
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fi
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VM_NAME=$1
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# check, if we have to start squid
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if ! killall -s 0 squid; then
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echo "starting squid."
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/usr/sbin/squid -f /etc/squid/squid-usermode.conf
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fi
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# because virsh has problems with long pathnames, using diffent configdir
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export XDG_CONFIG_HOME="/tmp/${UID}/.config"
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if ! virsh --connect="${QEMU}" list | grep "${VM_NAME}-clone"; then
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echo "VM not yet running."
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sudo /usr/local/bin/desktop-sync
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check_images
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if [[ "${NEWCLONE}" = 1 ]] || [[ ! -f "${VM_DIR}/${VM_NAME}-clone.qcow2" ]]; then
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create_clone "${VM_NAME}"
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fi
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# delete the old vm
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virsh --connect=qemu:///session undefine "${VM_NAME}-clone" || echo "${VM_NAME}-clone did not exist"
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#trap exit_script SIGHUP SIGINT SIGTERM
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create_printerlist
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# start virtiofsd-service
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[[ "${QEMU}" = 'qemu:///session' ]] && start_virtiofsd
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# finally, create the new vm
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virt-install \
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--osinfo "${LIBVIRTOSINFO}" \
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--name "${VM_NAME}-clone" \
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--import \
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--clock hpet_present=yes,hypervclock_present=yes \
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--features hyperv.synic.state=on,xpath1.set=./hyperv/vpindex/@state=on,xpath2.set=./hyperv/stimer/@state=on \
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--memorybacking source.type=memfd,access.mode=shared \
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--disk "${VM_DIR}/${VM_NAME}-clone.qcow2",driver.discard=unmap,target.bus=scsi,cache=writeback \
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--network=bridge=virbr0,model.type=virtio \
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--filesystem driver.type=virtiofs,accessmode=passthrough,target.dir=virtiofs,xpath1.set=./source/@socket="/run/user/${UID}/virtiofs-${VM_NAME}.sock" \
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--controller type=scsi,model=virtio-scsi \
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--check path_in_use=off \
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--connect="${QEMU}" \
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--noautoconsole \
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${LIBVIRTOPTS}
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# --dry-run \
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# --print-xml \
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# > /tmp/vm.xml
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# --features hyperv.synic.state=on,xpath1.set=./hyperv/vpindex/@state=on,xpath2.set=./hyperv/stimer/@state=on \
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# --network type=ethernet,target.dev=vm-macvtap,xpath1.set=./target/@managed=no \
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# virsh --connect="${QEMU}" start "${VM_NAME}-clone"
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fi
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if [[ $NO_VIEWER == 0 ]] ; then
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echo "starting viewer"
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trap exit_script SIGHUP SIGINT SIGTERM
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virt-viewer --connect="${QEMU}" --full-screen "${VM_NAME}-clone"
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fi
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