[packages/xen.git] / xendomains.init

#!/bin/sh
#
# xendomains		Start / stop domains automatically when domain 0 boots / shuts down.
#
# chkconfig:		345 99 00
# description:		Start / stop Xen domains.
#
# This script offers fairly basic functionality.  It should work on Redhat
# but also on LSB-compliant SuSE releases and on Debian with the LSB package
# installed.  (LSB is the Linux Standard Base)
#
# Based on the example in the "Designing High Quality Integrated Linux
# Applications HOWTO" by Avi Alkalay
# <http://www.tldp.org/HOWTO/HighQuality-Apps-HOWTO/>
#

. /etc/rc.d/init.d/functions

CMD=xm
$CMD list >/dev/null 2>/dev/null || CMD=xl
$CMD list >/dev/null 2>/dev/null || exit 0

[ -e /proc/xen/privcmd ] || exit 0

if [ -r /etc/sysconfig/xendomains ]; then
	. /etc/sysconfig/xendomains
else
	echo "/etc/sysconfig/xendomains does not exist"
	if [ "$1" = "stop" ]; then
		exit 0
	else
		exit 6
	fi
fi

##
# Returns 0 (success) if the given parameter names a directory, and that
# directory is not empty.
#
contains_something() {
  if [ -d "$1" ] && [ `/bin/ls $1 | wc -l` -gt 0 ]; then
	return 0
  else
	return 1
  fi
}

# read name from xen config file
rdname() {
	NM=$($CMD create --quiet --dryrun --defconfig "$1" | sed -n 's/^.*(name \(.*\))$/\1/p')
}

rdnames() {
    NAMES=
    if ! contains_something "$XENDOMAINS_AUTO"; then 
	return
    fi
    for dom in $XENDOMAINS_AUTO/*; do
	rdname $dom
	if test -z $NAMES; then 
	    NAMES=$NM; 
	else
	    NAMES="$NAMES|$NM"
	fi
    done
}

parseln() {
    if [[ "$1" = "*(domain*" ]]; then
        name=;id=
    elif [[ "$1" = "*(name*" ]]; then
        name=$(echo $1 | sed -e 's/^.*(name \(.*\))$/\1/')
    elif [[ "$1" = "*(domid*" ]]; then
        id=$(echo $1 | sed -e 's/^.*(domid \(.*\))$/\1/')
    fi
    [ -n "$name" -a -n "$id" ] && return 0 || return 1
}

is_running() {
    rdname $1
    name=;id=
    $CMD list -l | grep '(\(domain\|domid\|name\)' | \
    while read LN; do
	parseln "$LN" || continue
	[ $id = 0 ] && continue
	case $name in 
	    ($NM)
		return 0
		;;
	esac
    done
    return 1
}

start() {
    if [ -f /var/lock/subsys/xendomains ]; then 
	echo -e "xendomains already running (lockfile exists)"
	return 
    fi

    saved_domains=" "
    if [ "$XENDOMAINS_RESTORE" = "true" ] && contains_something "$XENDOMAINS_SAVE"; then
	mkdir -p $(dirname "/var/lock/subsys/xendomains")
	touch /var/lock/subsys/xendomains
	echo -n "Restoring Xen domains:"
	saved_domains=`ls $XENDOMAINS_SAVE`
        for dom in $XENDOMAINS_SAVE/*; do
            if [ -f $dom ] ; then
                HEADER=`head -c 16 $dom | head -n 1 2> /dev/null`
                if [ $HEADER = "LinuxGuestRecord" ]; then
                    echo -n " ${dom##*/}"
                    XMR=`$CMD restore $dom 2>&1 1>/dev/null`
                    #$CMD restore $dom
                    if [ $? -ne 0 ]; then
                        echo -e "\nAn error occurred while restoring domain ${dom##*/}:\n$XMR"
                        echo -e '!'
                    else
                        # mv $dom ${dom%/*}/.${dom##*/}
                        rm $dom
                    fi
                fi
            fi
        done
	echo -e
    fi

    if contains_something "$XENDOMAINS_AUTO" ; then
	touch /var/lock/subsys/xendomains
	echo -n "Starting auto Xen domains:"
	# We expect config scripts for auto starting domains to be in
	# XENDOMAINS_AUTO - they could just be symlinks to files elsewhere

	# Create all domains with config files in XENDOMAINS_AUTO.
	# TODO: We should record which domain name belongs 
	# so we have the option to selectively shut down / migrate later
	# If a domain statefile from $XENDOMAINS_SAVE matches a domain name
	# in $XENDOMAINS_AUTO, do not try to start that domain; if it didn't 
	# restore correctly it requires administrative attention.
	for dom in $XENDOMAINS_AUTO/*; do
	    echo -n " ${dom##*/}"
	    shortdom=$(echo $dom | sed -n 's/^.*\/\(.*\)$/\1/p')
	    echo $saved_domains | grep -w $shortdom > /dev/null
	    if [ $? -eq 0 ] || is_running $dom; then
		echo -n "(skip)"
	    else
		XMC=`$CMD create --quiet --defconfig $dom`
		if [ $? -ne 0 ]; then
		    echo -e "\nAn error occurred while creating domain ${dom##*/}: $XMC\n"
		    echo -e '!'
		else
		    usleep $XENDOMAINS_CREATE_USLEEP
		fi
	    fi
	done
    fi
}

all_zombies() {
    name=;id=
    $CMD list -l | grep '(\(domain\|domid\|name\)' | \
    while read LN; do
	parseln "$LN" || continue
	if test $id = 0; then continue; fi
	if test "$state" != "-b---d" -a "$state" != "-----d"; then
	    return 1;
	fi
    done
    return 0
}

# Wait for max $XENDOMAINS_STOP_MAXWAIT for $CMD $1 to finish;
# if it has not exited by that time kill it, so the init script will
# succeed within a finite amount of time; if $2 is nonnull, it will
# kill the command as well as soon as no domain (except for zombies)
# are left (used for shutdown --all). Third parameter, if any, suppresses
# output of dots per working state (formatting issues)
watchdog_xencmd() {
    if test -z "$XENDOMAINS_STOP_MAXWAIT" -o "$XENDOMAINS_STOP_MAXWAIT" = "0"; then
	exit
    fi

    usleep 20000
    for no in `seq 0 $XENDOMAINS_STOP_MAXWAIT`; do
	# exit if $CMD save/migrate/shutdown is finished
	PSAX=`ps axlw | grep "$CMD $1" | grep -v grep`
	if test -z "$PSAX"; then exit; fi
	if ! test -n "$3"; then echo -n '.'; fi
	sleep 1
	# go to kill immediately if there's only zombies left
	if all_zombies && test -n "$2"; then break; fi
    done
    sleep 1
    PSPID=$($PSAX | awk '{ print $3 }')
    # kill $CMD $1
    kill $PSPID >/dev/null 2>&1
    
    echo -e .
}

stop() {
    # Collect list of domains to shut down
    if test "$XENDOMAINS_AUTO_ONLY" = "true"; then
	rdnames
    fi
    echo -n "Shutting down Xen domains:"
    name=;id=
    $CMD list -l | grep '(\(domain\|domid\|name\)' | \
    while read LN; do
	parseln "$LN" || continue
	if test $id = 0; then continue; fi
	echo -n " $name"
	if test "$XENDOMAINS_AUTO_ONLY" = "true"; then
	    eval "
	    case \"\$name\" in
		($NAMES)
		    # nothing
		    ;;
		(*)
		    echo -e '(skip)'
		    continue
		    ;;
	    esac
	    "
	fi
	# XENDOMAINS_SYSRQ chould be something like just "s" 
	# or "s e i u" or even "s e s i u o"
	# for the latter, you should set XENDOMAINS_USLEEP to 1200000 or so
	if test -n "$XENDOMAINS_SYSRQ"; then
	    for sysrq in $XENDOMAINS_SYSRQ; do
		echo -n "(SR-$sysrq)"
		XMR=`$CMD sysrq $id $sysrq 2>&1 1>/dev/null`
		if test $? -ne 0; then
		    echo -e "\nAn error occurred while doing sysrq on domain:\n$XMR\n"
		    echo -n '!'
		fi
		# usleep just ignores empty arg
		usleep $XENDOMAINS_USLEEP
	    done
	fi
	if test "$state" = "-b---d" -o "$state" = "-----d"; then
	    echo -n "(zomb)"
	    continue
	fi
	if test -n "$XENDOMAINS_MIGRATE"; then
	    echo -n "(migr)"
	    watchdog_xencmd migrate &
	    WDOG_PID=$!
	    XMR=`$CMD migrate $id $XENDOMAINS_MIGRATE 2>&1 1>/dev/null`
	    if test $? -ne 0; then
		echo -e "\nAn error occurred while migrating domain:\n$XMR\n"
		echo -e '!'

		kill $WDOG_PID >/dev/null 2>&1
	    else
		kill $WDOG_PID >/dev/null 2>&1
		
		echo -e .
		usleep 1000
		continue
	    fi
	fi
	if test -n "$XENDOMAINS_SAVE"; then
	    echo -n "(save)"
	    watchdog_xencmd save &
	    WDOG_PID=$!
	    mkdir -p "$XENDOMAINS_SAVE"
	    XMR=`$CMD save $id $XENDOMAINS_SAVE/$name 2>&1 1>/dev/null`
	    if test $? -ne 0; then
		echo -e "\nAn error occurred while saving domain:\n$XMR\n"
		echo -e '!'
		kill $WDOG_PID >/dev/null 2>&1
	    else
		kill $WDOG_PID >/dev/null 2>&1
		echo -e .
		usleep 1000
		continue
	    fi
	fi
	if test -n "$XENDOMAINS_SHUTDOWN"; then
	    # XENDOMAINS_SHUTDOWN should be "--halt --wait"
	    echo -n "(shut)"
	    watchdog_xencmd shutdown &
	    WDOG_PID=$!
	    XMR=`$CMD shutdown $id $XENDOMAINS_SHUTDOWN 2>&1 1>/dev/null`
	    if test $? -ne 0; then
		echo -e "\nAn error occurred while shutting down domain:\n$XMR\n"
		echo -e '!'
	    fi
	    kill $WDOG_PID >/dev/null 2>&1
	fi
    done

    # NB. this shuts down ALL Xen domains (politely), not just the ones in
    # AUTODIR/*
    # This is because it's easier to do ;-) but arguably if this script is run
    # on system shutdown then it's also the right thing to do.
    if ! all_zombies && test -n "$XENDOMAINS_SHUTDOWN_ALL"; then
	# XENDOMAINS_SHUTDOWN_ALL should be "--all --halt --wait"
	echo -n " SHUTDOWN_ALL "
	watchdog_xencmd shutdown 1 false &
	WDOG_PID=$!
	XMR=`$CMD shutdown $XENDOMAINS_SHUTDOWN_ALL 2>&1 1>/dev/null`
	if test $? -ne 0; then
	    echo -e "\nAn error occurred while shutting down all domains: $XMR\n"
	    echo -e '!'
	fi
	kill $WDOG_PID >/dev/null 2>&1
    fi

    # Unconditionally delete lock file
    rm -f /var/lock/subsys/xendomains
}

check_domain_up()
{
    name=;id=
    $CMD list -l | grep '(\(domain\|domid\|name\)' | \
    while read LN; do
	parseln "$LN" || continue
	if test $id = 0; then continue; fi
	case $name in 
	    ($1)
		return 0
		;;
	esac
    done
    return 1
}

check_all_auto_domains_up()
{
    if ! contains_something "$XENDOMAINS_AUTO"; then
      return 0
    fi
    missing=
    for nm in $XENDOMAINS_AUTO/*; do
	rdname $nm
	found=0
	if check_domain_up "$NM"; then 
	    echo -n " $name"
	else 
	    missing="$missing $NM"
	fi
    done
    if test -n "$missing"; then
	echo -n " MISS AUTO:$missing"
	return 1
    fi
    return 0
}

check_all_saved_domains_up()
{
    if ! contains_something "$XENDOMAINS_SAVE"; then
      return 0
    fi
    missing=`/bin/ls $XENDOMAINS_SAVE`
    echo -n " MISS SAVED: " $missing
    return 1
}

RETVAL=0
# See how we were called.
case "$1" in
    start)
	start
	;;
    stop)
	stop
	;;
    restart|reload)
# This does NOT necessarily restart all running domains: instead it
# stops all running domains and then boots all the domains specified in
# AUTODIR.  If other domains have been started manually then they will
# not get restarted.
    stop
    start
	;;
    status)
	if [ -f /var/lock/subsys/xendomains; then
	    echo -n "Checking for xendomains:" 
	    check_all_auto_domains_up
	    check_all_saved_domains_up
	fi
	;;
    *)
	msg_usage "$0 {start|stop|restart|reload|status}"
	;;
esac

exit $RETVAL
Commit	Line	Data
2e8b91a6 JR	1	#!/bin/sh
	2	#
	3	# xendomains Start / stop domains automatically when domain 0 boots / shuts down.
	4	#
	5	# chkconfig: 345 99 00
	6	# description: Start / stop Xen domains.
	7	#
	8	# This script offers fairly basic functionality. It should work on Redhat
	9	# but also on LSB-compliant SuSE releases and on Debian with the LSB package
	10	# installed. (LSB is the Linux Standard Base)
	11	#
	12	# Based on the example in the "Designing High Quality Integrated Linux
	13	# Applications HOWTO" by Avi Alkalay
	14	# <http://www.tldp.org/HOWTO/HighQuality-Apps-HOWTO/>
	15	#
2e8b91a6 JR	16
	17	. /etc/rc.d/init.d/functions
	18
	19	CMD=xm
	20	$CMD list >/dev/null 2>/dev/null \|\| CMD=xl
	21	$CMD list >/dev/null 2>/dev/null \|\| exit 0
	22
	23	[ -e /proc/xen/privcmd ] \|\| exit 0
	24
	25	if [ -r /etc/sysconfig/xendomains ]; then
	26	. /etc/sysconfig/xendomains
	27	else
	28	echo "/etc/sysconfig/xendomains does not exist"
	29	if [ "$1" = "stop" ]; then
	30	exit 0
	31	else
	32	exit 6
	33	fi
	34	fi
	35
	36	##
	37	# Returns 0 (success) if the given parameter names a directory, and that
	38	# directory is not empty.
	39	#
	40	contains_something() {
	41	if [ -d "$1" ] && [ `/bin/ls $1 \| wc -l` -gt 0 ]; then
	42	return 0
	43	else
	44	return 1
	45	fi
	46	}
	47
	48	# read name from xen config file
	49	rdname() {
	50	NM=$($CMD create --quiet --dryrun --defconfig "$1" \| sed -n 's/^.(name \(.\))$/\1/p')
	51	}
	52
	53	rdnames() {
	54	NAMES=
	55	if ! contains_something "$XENDOMAINS_AUTO"; then
	56	return
	57	fi
	58	for dom in $XENDOMAINS_AUTO/*; do
	59	rdname $dom
	60	if test -z $NAMES; then
	61	NAMES=$NM;
	62	else
	63	NAMES="$NAMES\|$NM"
	64	fi
	65	done
	66	}
	67
	68	parseln() {
ddb246ae	69	if [[ "$1" = "(domain" ]]; then
2e8b91a6	70	name=;id=
ddb246ae	71	elif [[ "$1" = "(name" ]]; then
2e8b91a6	72	name=$(echo $1 \| sed -e 's/^.(name \(.\))$/\1/')
ddb246ae	73	elif [[ "$1" = "(domid" ]]; then
2e8b91a6	74	id=$(echo $1 \| sed -e 's/^.(domid \(.\))$/\1/')
ddb246ae	75	fi
2e8b91a6 JR	76	[ -n "$name" -a -n "$id" ] && return 0 \|\| return 1
	77	}
	78
	79	is_running() {
	80	rdname $1
2e8b91a6	81	name=;id=
ddb246ae	82	$CMD list -l \| grep '(\(domain\\|domid\\|name\)' \| \
2e8b91a6 JR	83	while read LN; do
	84	parseln "$LN" \|\| continue
	85	[ $id = 0 ] && continue
	86	case $name in
	87	($NM)
ddb246ae	88	return 0
2e8b91a6 JR	89	;;
2e8b91a6 JR	90	esac
ddb246ae JR	91	done
ddb246ae JR	92	return 1
2e8b91a6 JR	93	}
	94
	95	start() {
	96	if [ -f /var/lock/subsys/xendomains ]; then
	97	echo -e "xendomains already running (lockfile exists)"
	98	return
	99	fi
	100
	101	saved_domains=" "
	102	if [ "$XENDOMAINS_RESTORE" = "true" ] && contains_something "$XENDOMAINS_SAVE"; then
	103	mkdir -p $(dirname "/var/lock/subsys/xendomains")
	104	touch /var/lock/subsys/xendomains
	105	echo -n "Restoring Xen domains:"
	106	saved_domains=`ls $XENDOMAINS_SAVE`
	107	for dom in $XENDOMAINS_SAVE/*; do
	108	if [ -f $dom ] ; then
	109	HEADER=`head -c 16 $dom \| head -n 1 2> /dev/null`
	110	if [ $HEADER = "LinuxGuestRecord" ]; then
	111	echo -n " ${dom##*/}"
	112	XMR=`$CMD restore $dom 2>&1 1>/dev/null`
	113	#$CMD restore $dom
	114	if [ $? -ne 0 ]; then
	115	echo -e "\nAn error occurred while restoring domain ${dom##*/}:\n$XMR"
	116	echo -e '!'
	117	else
	118	# mv $dom ${dom%/}/.${dom##/}
	119	rm $dom
	120	fi
	121	fi
	122	fi
	123	done
	124	echo -e
	125	fi
	126
	127	if contains_something "$XENDOMAINS_AUTO" ; then
	128	touch /var/lock/subsys/xendomains
	129	echo -n "Starting auto Xen domains:"
	130	# We expect config scripts for auto starting domains to be in
	131	# XENDOMAINS_AUTO - they could just be symlinks to files elsewhere
	132
	133	# Create all domains with config files in XENDOMAINS_AUTO.
	134	# TODO: We should record which domain name belongs
	135	# so we have the option to selectively shut down / migrate later
	136	# If a domain statefile from $XENDOMAINS_SAVE matches a domain name
	137	# in $XENDOMAINS_AUTO, do not try to start that domain; if it didn't
	138	# restore correctly it requires administrative attention.
	139	for dom in $XENDOMAINS_AUTO/*; do
	140	echo -n " ${dom##*/}"
	141	shortdom=$(echo $dom \| sed -n 's/^.\/\(.\)$/\1/p')
	142	echo $saved_domains \| grep -w $shortdom > /dev/null
	143	if [ $? -eq 0 ] \|\| is_running $dom; then
	144	echo -n "(skip)"
	145	else
	146	XMC=`$CMD create --quiet --defconfig $dom`
	147	if [ $? -ne 0 ]; then
	148	echo -e "\nAn error occurred while creating domain ${dom##*/}: $XMC\n"
	149	echo -e '!'
	150	else
	151	usleep $XENDOMAINS_CREATE_USLEEP
	152	fi
	153	fi
	154	done
	155	fi
	156	}
157
158	all_zombies() {
159	name=;id=
ddb246ae	160	$CMD list -l \| grep '(\(domain\\|domid\\|name\)' \| \
2e8b91a6 JR	161	while read LN; do
	162	parseln "$LN" \|\| continue
	163	if test $id = 0; then continue; fi
	164	if test "$state" != "-b---d" -a "$state" != "-----d"; then
	165	return 1;
	166	fi
ddb246ae	167	done
2e8b91a6 JR	168	return 0
	169	}
	170
	171	# Wait for max $XENDOMAINS_STOP_MAXWAIT for $CMD $1 to finish;
	172	# if it has not exited by that time kill it, so the init script will
	173	# succeed within a finite amount of time; if $2 is nonnull, it will
	174	# kill the command as well as soon as no domain (except for zombies)
	175	# are left (used for shutdown --all). Third parameter, if any, suppresses
	176	# output of dots per working state (formatting issues)
	177	watchdog_xencmd() {
	178	if test -z "$XENDOMAINS_STOP_MAXWAIT" -o "$XENDOMAINS_STOP_MAXWAIT" = "0"; then
	179	exit
	180	fi
	181
	182	usleep 20000
	183	for no in `seq 0 $XENDOMAINS_STOP_MAXWAIT`; do
	184	# exit if $CMD save/migrate/shutdown is finished
	185	PSAX=`ps axlw \| grep "$CMD $1" \| grep -v grep`
	186	if test -z "$PSAX"; then exit; fi
	187	if ! test -n "$3"; then echo -n '.'; fi
	188	sleep 1
	189	# go to kill immediately if there's only zombies left
	190	if all_zombies && test -n "$2"; then break; fi
	191	done
	192	sleep 1
ddb246ae	193	PSPID=$($PSAX \| awk '{ print $3 }')
2e8b91a6 JR	194	# kill $CMD $1
	195	kill $PSPID >/dev/null 2>&1
	196
	197	echo -e .
	198	}
	199
	200	stop() {
	201	# Collect list of domains to shut down
	202	if test "$XENDOMAINS_AUTO_ONLY" = "true"; then
	203	rdnames
	204	fi
	205	echo -n "Shutting down Xen domains:"
	206	name=;id=
ddb246ae	207	$CMD list -l \| grep '(\(domain\\|domid\\|name\)' \| \
2e8b91a6 JR	208	while read LN; do
	209	parseln "$LN" \|\| continue
	210	if test $id = 0; then continue; fi
	211	echo -n " $name"
	212	if test "$XENDOMAINS_AUTO_ONLY" = "true"; then
	213	eval "
	214	case \"\$name\" in
	215	($NAMES)
	216	# nothing
	217	;;
	218	(*)
	219	echo -e '(skip)'
	220	continue
	221	;;
	222	esac
	223	"
	224	fi
	225	# XENDOMAINS_SYSRQ chould be something like just "s"
	226	# or "s e i u" or even "s e s i u o"
	227	# for the latter, you should set XENDOMAINS_USLEEP to 1200000 or so
	228	if test -n "$XENDOMAINS_SYSRQ"; then
	229	for sysrq in $XENDOMAINS_SYSRQ; do
	230	echo -n "(SR-$sysrq)"
	231	XMR=`$CMD sysrq $id $sysrq 2>&1 1>/dev/null`
	232	if test $? -ne 0; then
	233	echo -e "\nAn error occurred while doing sysrq on domain:\n$XMR\n"
	234	echo -n '!'
	235	fi
	236	# usleep just ignores empty arg
	237	usleep $XENDOMAINS_USLEEP
	238	done
	239	fi
	240	if test "$state" = "-b---d" -o "$state" = "-----d"; then
	241	echo -n "(zomb)"
	242	continue
	243	fi
	244	if test -n "$XENDOMAINS_MIGRATE"; then
	245	echo -n "(migr)"
	246	watchdog_xencmd migrate &
	247	WDOG_PID=$!
	248	XMR=`$CMD migrate $id $XENDOMAINS_MIGRATE 2>&1 1>/dev/null`
	249	if test $? -ne 0; then
	250	echo -e "\nAn error occurred while migrating domain:\n$XMR\n"
	251	echo -e '!'
	252
	253	kill $WDOG_PID >/dev/null 2>&1
	254	else
	255	kill $WDOG_PID >/dev/null 2>&1
	256
	257	echo -e .
	258	usleep 1000
	259	continue
	260	fi
	261	fi
	262	if test -n "$XENDOMAINS_SAVE"; then
	263	echo -n "(save)"
	264	watchdog_xencmd save &
	265	WDOG_PID=$!
	266	mkdir -p "$XENDOMAINS_SAVE"
	267	XMR=`$CMD save $id $XENDOMAINS_SAVE/$name 2>&1 1>/dev/null`
	268	if test $? -ne 0; then
	269	echo -e "\nAn error occurred while saving domain:\n$XMR\n"
	270	echo -e '!'
	271	kill $WDOG_PID >/dev/null 2>&1
272	else
273	kill $WDOG_PID >/dev/null 2>&1
274	echo -e .
275	usleep 1000
276	continue
277	fi
278	fi
279	if test -n "$XENDOMAINS_SHUTDOWN"; then
280	# XENDOMAINS_SHUTDOWN should be "--halt --wait"
281	echo -n "(shut)"
282	watchdog_xencmd shutdown &
283	WDOG_PID=$!
284	XMR=`$CMD shutdown $id $XENDOMAINS_SHUTDOWN 2>&1 1>/dev/null`
285	if test $? -ne 0; then
286	echo -e "\nAn error occurred while shutting down domain:\n$XMR\n"
287	echo -e '!'
288	fi
289	kill $WDOG_PID >/dev/null 2>&1
290	fi
ddb246ae	291	done
2e8b91a6 JR	292
	293	# NB. this shuts down ALL Xen domains (politely), not just the ones in
	294	# AUTODIR/*
	295	# This is because it's easier to do ;-) but arguably if this script is run
	296	# on system shutdown then it's also the right thing to do.
	297	if ! all_zombies && test -n "$XENDOMAINS_SHUTDOWN_ALL"; then
	298	# XENDOMAINS_SHUTDOWN_ALL should be "--all --halt --wait"
	299	echo -n " SHUTDOWN_ALL "
	300	watchdog_xencmd shutdown 1 false &
	301	WDOG_PID=$!
	302	XMR=`$CMD shutdown $XENDOMAINS_SHUTDOWN_ALL 2>&1 1>/dev/null`
	303	if test $? -ne 0; then
	304	echo -e "\nAn error occurred while shutting down all domains: $XMR\n"
	305	echo -e '!'
	306	fi
	307	kill $WDOG_PID >/dev/null 2>&1
	308	fi
	309
	310	# Unconditionally delete lock file
	311	rm -f /var/lock/subsys/xendomains
	312	}
	313
	314	check_domain_up()
	315	{
	316	name=;id=
ddb246ae	317	$CMD list -l \| grep '(\(domain\\|domid\\|name\)' \| \
2e8b91a6 JR	318	while read LN; do
	319	parseln "$LN" \|\| continue
	320	if test $id = 0; then continue; fi
	321	case $name in
	322	($1)
	323	return 0
	324	;;
	325	esac
ddb246ae	326	done
2e8b91a6 JR	327	return 1
	328	}
	329
	330	check_all_auto_domains_up()
	331	{
	332	if ! contains_something "$XENDOMAINS_AUTO"; then
	333	return 0
	334	fi
	335	missing=
	336	for nm in $XENDOMAINS_AUTO/*; do
	337	rdname $nm
	338	found=0
	339	if check_domain_up "$NM"; then
	340	echo -n " $name"
	341	else
	342	missing="$missing $NM"
	343	fi
	344	done
	345	if test -n "$missing"; then
	346	echo -n " MISS AUTO:$missing"
	347	return 1
	348	fi
	349	return 0
	350	}
	351
	352	check_all_saved_domains_up()
	353	{
	354	if ! contains_something "$XENDOMAINS_SAVE"; then
	355	return 0
	356	fi
	357	missing=`/bin/ls $XENDOMAINS_SAVE`
	358	echo -n " MISS SAVED: " $missing
	359	return 1
	360	}
	361
	362	RETVAL=0
	363	# See how we were called.
	364	case "$1" in
	365	start)
	366	start
	367	;;
	368	stop)
	369	stop
	370	;;
	371	restart\|reload)
	372	# This does NOT necessarily restart all running domains: instead it
	373	# stops all running domains and then boots all the domains specified in
	374	# AUTODIR. If other domains have been started manually then they will
	375	# not get restarted.
	376	stop
	377	start
	378	;;
	379	status)
	380	if [ -f /var/lock/subsys/xendomains; then
	381	echo -n "Checking for xendomains:"
	382	check_all_auto_domains_up
	383	check_all_saved_domains_up
	384	fi
	385	;;
	386	*)
	387	msg_usage "$0 {start\|stop\|restart\|reload\|status}"
	388	;;
	389	esac
	390
391	exit $RETVAL