File: libvirt-bin.init

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#! /bin/sh
#
# Init skript for libvirtd
#
# (c) 2007 Guido Guenther <agx@sigxcpu.org>
# based on the skeletons that comes with dh_make
#
### BEGIN INIT INFO
# Provides:          libvirtd
# Required-Start:    $network $local_fs
# Required-Stop:     
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: libvirt management daemon
### END INIT INFO

PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=/usr/sbin/libvirtd
NAME=libvirtd
DESC="libvirt management daemon"

test -x $DAEMON || exit 0
. /lib/lsb/init-functions

PIDFILE=/var/run/$NAME.pid
DODTIME=1                   # Time to wait for the server to die, in seconds

# Include libvirtd defaults if available
if [ -f /etc/default/libvirt-bin ] ; then
	. /etc/default/libvirt-bin
fi

set -e

check_start_libvirtd_option() {
  if [ ! "$start_libvirtd" = "yes" ]; then
    log_warning_msg "Not starting libvirt management daemon libvirtd, disabled via /etc/default/libvirt-bin"
    return 1
  else
    return 0
  fi
}

running_pid()
{
    # Check if a given process pid's cmdline matches a given name
    pid=$1
    name=$2
    [ -z "$pid" ] && return 1 
    [ ! -d /proc/$pid ] &&  return 1
    cmd=`cat /proc/$pid/cmdline | tr "\000" "\n"|head -n 1 |cut -d : -f 1`
    # Is this the expected child?
    [ "$cmd" != "$name" ] &&  return 1
    return 0
}

running()
{
# Check if the process is running looking at /proc
# (works for all users)
    # No pidfile, probably no daemon present
    [ ! -f "$PIDFILE" ] && return 1
    # Obtain the pid and check it against the binary name
    pid=`cat $PIDFILE`
    running_pid $pid $DAEMON || return 1
    return 0
}

force_stop() {
# Forcefully kill the process
    [ ! -f "$PIDFILE" ] && return
    if running ; then
        kill -15 $pid
        # Is it really dead?
        [ -n "$DODTIME" ] && sleep "$DODTIME"s
        if running ; then
            kill -9 $pid
            [ -n "$DODTIME" ] && sleep "$DODTIME"s
            if running ; then
                echo "Cannot kill $LABEL (pid=$pid)!"
                exit 1
            fi
        fi
    fi
    rm -f $PIDFILE
    return 0
}

mkdir -p /var/run/libvirt
case "$1" in
  start)
	if check_start_libvirtd_option; then
		log_daemon_msg "Starting $DESC" "$NAME"
        	if running ;  then
            		log_progress_msg "already running"
            		log_end_msg 0
            		exit 0
        	fi
		rm -f /var/run/libvirtd.pid
		start-stop-daemon --start --quiet --pidfile $PIDFILE \
			--exec $DAEMON -- $libvirtd_opts
		running && log_end_msg 0 || log_end_msg 1
	fi
	;;
  stop)
	log_daemon_msg "Stopping $DESC" "$NAME"
       	if ! running ;  then
           	log_progress_msg "not running"
            	log_end_msg 0
            	exit 0
       	fi
	start-stop-daemon --stop --quiet --pidfile $PIDFILE \
		--exec $DAEMON
	log_end_msg 0
	;;
  force-stop)
	log_daemon_msg "Forcefully stopping $DESC" "$NAME"
        force_stop
        ! running && log_end_msg 0 || log_end_msg 1
	;;
  restart)
	if check_start_libvirtd_option; then
		log_daemon_msg "Restarting $DESC" "$DAEMON"
		start-stop-daemon --oknodo --stop --quiet --pidfile \
			/var/run/$NAME.pid --exec $DAEMON
		[ -n "$DODTIME" ] && sleep $DODTIME
		start-stop-daemon --start --quiet --pidfile \
			/var/run/$NAME.pid --exec $DAEMON -- $libvirtd_opts
		running && log_end_msg 0 || log_end_msg 1
	fi
	;;
  reload|force-reload)
  	if running; then
            log_daemon_msg "Reloading configuration of $DESC" "$NAME"
	    start-stop-daemon --stop --signal 1 --quiet --pidfile \
	             /var/run/$NAME.pid --exec $DAEMON
	    log_end_msg 0
	else
            log_warning_msg "libvirtd not running, doing nothing."
	fi
	;;
  status)
        log_daemon_msg "Checking status of $DESC" "$NAME"
        if running ;  then
            log_progress_msg "running"
            log_end_msg 0
        else
            log_progress_msg "not running"
            log_end_msg 1
	fi
    ;;
  *)
	N=/etc/init.d/libvirt-bin
	echo "Usage: $N {start|stop|restart|reload|force-reload|status|force-stop}" >&2
	exit 1
	;;
esac

exit 0