132 lines
4.3 KiB
Bash
Executable file
132 lines
4.3 KiB
Bash
Executable file
#!/usr/bin/bash
|
|
# create and run clone
|
|
|
|
set -eu
|
|
|
|
show_help() {
|
|
cat << EOF >&2
|
|
Usage: $(basename "$0") [-n] vmname"
|
|
Create a new clone, start the vm (if not yet running) and run virt-viewer.
|
|
Squid-Proxy will be started too.
|
|
### remove, old ### User Home will be mounted on /media/USERNAME/home
|
|
-n new clone will be created, even if exists
|
|
-s qemu:///system instead of default qemu:///session
|
|
EOF
|
|
}
|
|
|
|
exit_script() {
|
|
echo "run-vm.sh ${VM_NAME} terminated by trap!" >> "/tmp/${UID}/exit-run-vm.log"
|
|
virsh --connect="${QEMU}" destroy "${VM_NAME}-clone"
|
|
trap - SIGHUP SIGINT SIGTERM # clear the trap
|
|
kill -- -$$ # Sends SIGTERM to child/sub processes
|
|
}
|
|
|
|
QEMU='qemu:///session'
|
|
|
|
NEWCLONE=0
|
|
|
|
while getopts ':ns' OPTION; do
|
|
case "$OPTION" in
|
|
n)
|
|
NEWCLONE=1
|
|
;;
|
|
s)
|
|
QEMU='qemu:///system'
|
|
;;
|
|
?)
|
|
show_help
|
|
exit 1
|
|
;;
|
|
esac
|
|
done
|
|
|
|
shift "$((OPTIND -1))"
|
|
|
|
# if less than one arguments supplied, display usage
|
|
if [[ $# -ne 1 ]] ; then
|
|
show_help
|
|
exit 1
|
|
fi
|
|
|
|
VM_NAME=$1
|
|
VM_DIR="/tmp/${UID}/vm"
|
|
|
|
check_images() {
|
|
# sync vm-torrents and machine definition file
|
|
sudo -u lmnsynci /usr/local/bin/sync-vm.sh -t
|
|
|
|
BACKINGARRAY=()
|
|
imgfile="/lmn/vm/${VM_NAME}.qcow2" && [[ -f "${VM_DIR}/${VM_NAME}.qcow2" ]] && imgfile="${VM_DIR}/${VM_NAME}.qcow2"
|
|
BACKINGARRAY+=("${imgfile}")
|
|
echo "Imgfile=$imgfile"
|
|
if [[ ! -f "${imgfile}" ]] || ! qemu-img info -U "${imgfile}" | grep "file format: qcow2"; then
|
|
if [[ ! -f "/lmn/vm/${VM_NAME}.qcow2.torrent" ]]; then
|
|
echo "no base VM disk '${VM_NAME}.qcow2' found and/or ${VM_NAME} not found on server" >&2
|
|
exit 1
|
|
fi
|
|
# sync vm-disk image by torrent
|
|
echo "Try to sync VM ${VM_NAME} by torrent"
|
|
sudo -u lmnsynci /usr/local/bin/sync-vm.sh "${VM_NAME}"
|
|
fi
|
|
|
|
backingfile=$(qemu-img info -U "${imgfile}" | grep "^backing file:" | cut -d ' ' -f 3)
|
|
while [[ ! -z "${backingfile}" ]]; do
|
|
echo "Backingfile required: ${backingfile}"
|
|
imgfile="/lmn/vm/${backingfile}" && [[ -f "${VM_DIR}/${backingfile}" ]] && imgfile="${VM_DIR}/${backingfile}"
|
|
BACKINGARRAY+=("${imgfile}")
|
|
if [[ ! -f "${imgfile}" ]] || ! qemu-img info -U "${imgfile}" | grep "file format: qcow2"; then
|
|
# sync vm-disk image by torrent
|
|
echo "Try to sync backingfile ${backingfile} by torrent"
|
|
sudo -u lmnsynci /usr/local/bin/sync-vm.sh "${backingfile%.qcow2}"
|
|
fi
|
|
backingfile=$(qemu-img info -U "${imgfile}" | grep "^backing file:" | cut -d ' ' -f 3)
|
|
done
|
|
|
|
echo "VM-Image and required backingfiles available"
|
|
echo "Now, let's check the images."
|
|
|
|
# Check VM-Images in reverse order
|
|
for ((i=${#BACKINGARRAY[@]}-1; i>=0; i--))
|
|
do
|
|
echo "Checking ${BACKINGARRAY[$i]}"
|
|
if ! qemu-img check -U "${BACKINGARRAY[$i]}" 2>/dev/null; then
|
|
echo "check failed!"
|
|
echo "sync ${BACKINGARRAY[$i]} again"
|
|
sudo -u lmnsynci /usr/local/bin/sync-vm.sh $(basename "${BACKINGARRAY[$i]}" .qcow2)
|
|
fi
|
|
done
|
|
|
|
echo "VM-Image and required backingfiles available and checked"
|
|
}
|
|
|
|
# check, if we have to start squid
|
|
if ! killall -s 0 squid; then
|
|
echo "starting squid."
|
|
/usr/sbin/squid -f /etc/squid/squid-usermode.conf
|
|
fi
|
|
|
|
## check, if we have to mount home
|
|
#if ! findmnt "/media/${USER}/home"; then
|
|
# echo "mounting home."
|
|
sudo mounthome.sh
|
|
#fi
|
|
|
|
# because virsh has problems with long pathnames, using diffent configdir
|
|
export XDG_CONFIG_HOME="/tmp/${UID}/.config"
|
|
|
|
if ! virsh --connect="${QEMU}" list | grep "${VM_NAME}-clone"; then
|
|
echo "VM not yet running."
|
|
check_images
|
|
if [[ "${NEWCLONE}" = 1 ]] || [[ ! -f "${VM_DIR}/${VM_NAME}-clone.qcow2" ]]; then
|
|
create-clone.sh "${VM_NAME}"
|
|
fi
|
|
# delete the old vm
|
|
virsh --connect=qemu:///session undefine "${VM_NAME}-clone" || echo "${VM_NAME}-clone did not exist"
|
|
# finally, create the new vm
|
|
virsh --connect=qemu:///session define "${VM_DIR}/${VM_NAME}-clone.xml"
|
|
trap exit_script SIGHUP SIGINT SIGTERM
|
|
[[ "${QEMU}" = 'qemu:///session' ]] && sudo /usr/local/bin/start-virtiofsd.sh "${VM_NAME}"
|
|
virsh --connect="${QEMU}" start "${VM_NAME}-clone"
|
|
fi
|
|
echo "starting viewer"
|
|
virt-viewer --connect="${QEMU}" --full-screen "${VM_NAME}-clone"
|