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#!/usr/bin/bash
# Init script for libvirtd on Slackware
# Written by Matteo Bernardini <ponce@slackbuilds.org>
#
# Note that a dnsmasq daemon is started by libvirtd itself to serve
# its virtual network, and possibly can conflict with a dnsmasq
# already running on the system, see
# http://wiki.libvirt.org/page/Libvirtd_and_dnsmasq
# Note also that the tun, vhost_net and kvm related modules are
# automatically loaded at start and removed at stop: edit the
# script if this behaviour conflicts with anything else running
# on your setup
MODULES="tun vhost_net"
PIDFILE="/var/run/libvirt/libvirtd.pid"
TIMEOUT=${TIMEOUT:-40}
OPTS=${OPTS:-" -v -f /etc/libvirt/libvirtd.conf -p $PIDFILE "}
check_running_machines() {
count=0
for machine in $(virsh list --name --state-running | grep -v ^$) ; do
/usr/sbin/virsh shutdown $machine
done
echo -n "Waiting machines"
while [ $(virsh list --name --state-running | grep -v ^$ | wc -l) -gt "0" ]; do
if [ "$count" -ge "$TIMEOUT" ];then
break
fi
echo -n "."
count=$(expr $count + 1)
sleep 1
done
echo ""
if [ $(virsh list --name --state-running | grep -v ^$ | wc -l) -gt "0" ];then
echo -n "The following machines are still running, forcing shutdown: "
for machine in $(virsh list --name --state-running | grep -v ^$) ; do
/usr/sbin/virsh destroy $machine
echo -n "$machine "
done
echo ""
sleep 2
fi
}
check_processor() {
egrep 'vmx' /proc/cpuinfo > /dev/null
if [ "$?" -eq "0" ];then
MODULES="$MODULES kvm_intel kvm"
fi
check=$?
egrep 'svm' /proc/cpuinfo > /dev/null
if [ "$?" -eq "0" ];then
MODULES="$MODULES kvm_amd kvm"
fi
check=$(expr $check + $?)
if [ $check -eq "2" ];then
echo "Your system does not support KVM!"
fi
}
start() {
if [ -f $PIDFILE ];then
echo "libvirt is already running..."
exit 1
fi
echo "Starting libvirtd: /usr/sbin/libvirtd -d "
mkdir -p $(dirname $PIDFILE)
check_processor
/sbin/modprobe -a $MODULES
/usr/sbin/libvirtd -d -l $OPTS
}
stop() {
if [ ! -f $PIDFILE ];then
echo "libvirt is not running..."
exit 2
fi
check_running_machines
check_processor
echo "Stopping libvirtd..."
for network in $(/usr/sbin/virsh net-list | tail -n +3 | awk '{print $1}'); do
/usr/sbin/virsh net-destroy "$network"
done
kill -TERM $(cat $PIDFILE)
sleep 3
/sbin/modprobe -ra $MODULES 2>/dev/null
}
case $1 in
start)
start
;;
stop)
stop
;;
restart)
stop
sleep 1
start
;;
*)
echo "Usage: $0 (start|stop|restart)"
;;
esac
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