#! /bin/sh
### BEGIN INIT INFO
# Provides:          libvirt-suspendonreboot
# Required-Start:    libvirt-bin
# Required-Stop:     libvirt-bin $remote_fs
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: suspend/resmum vms on reboot
### END INIT INFO
# (c) Andi Barth <aba@not.so.argh.org> 2008
# Distributable under the terms of the GNU GPL version 2.
#
# copy to /etc/init.d/libvirt-suspendonreboot and use 
# update-rc.d libvirt-suspendonreboot defaults 29 71
# to enable

PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin

suspenddir=/var/lib/libvirt/autosuspend

case "$1" in
  start)
    for domain in ${suspenddir}/*dump; do
        if [ -f $domain ]; then
            domain=$(basename $domain .dump)
            echo "resuming $domain ..."
            virsh restore ${suspenddir}/${domain}.dump && rm ${suspenddir}/${domain}.dump
        fi
    done
    ;;
  stop)
    for domain in /etc/libvirt/qemu/*xml; do
        domain=$(basename $domain .xml)
        state=$(virsh domstate $domain)
        if [ "$state" = "running" ]; then
            echo "suspending $domain ..."
            virsh save ${domain} ${suspenddir}/${domain}.dump
        fi
    done
    ;;
  reload|force-reload|restart)
    # No action, nothing to reload
    ;;
  *)
        echo "Usage: $0 {start|stop|restart|reload|force-reload}" >&2
        exit 1
esac