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# /etc/init.d/xendomains
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# Start / stop domains automatically when domain 0 boots / shuts down.
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# description: Start / stop Xen domains.
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# This script offers fairly basic functionality. It should work on Redhat
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# but also on LSB-compliant SuSE releases and on Debian with the LSB package
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# installed. (LSB is the Linux Standard Base)
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# Based on the example in the "Designing High Quality Integrated Linux
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# Applications HOWTO" by Avi Alkalay
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# <http://www.tldp.org/HOWTO/HighQuality-Apps-HOWTO/>
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# Provides: xendomains
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# Required-Start: $syslog $remote_fs xend
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# Required-Stop: $syslog $remote_fs xend
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# Default-Start: 3 4 5
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# Default-Stop: 0 1 2 6
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# Default-Enabled: yes
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# Short-Description: Start/stop secondary xen domains
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# Description: Start / stop domains automatically when domain 0
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# Correct exit code would probably be 5, but it's enough
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# if xend complains if we're not running as privileged domain
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if ! [ -e /proc/xen/privcmd ]; then
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LOCKFILE=/var/lock/subsys/xendomains
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XENDOM_CONFIG=/etc/sysconfig/xendomains
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test -r $XENDOM_CONFIG || { echo "$XENDOM_CONFIG not existing";
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if [ "$1" = "stop" ]; then exit 0;
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# Use the SUSE rc_ init script functions;
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# emulate them on LSB, RH and other systems
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if test -e /etc/rc.status; then
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# SUSE rc script library
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if test "${_cmd}" = "status"; then
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_SMSG=(running dead dead unused unknown)
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_SMSG=(done failed failed missed failed skipped unused failed failed)
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if test -e /etc/init.d/functions; then
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. /etc/init.d/functions
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#echo -n " [${_SMSG[${_RC_RV}]}] "
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if test ${_RC_RV} = 0; then
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success " [${_SMSG[${_RC_RV}]}] "
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failure " [${_SMSG[${_RC_RV}]}] "
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elif test -e /lib/lsb/init-functions; then
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. /lib/lsb/init-functions
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if alias log_success_msg >/dev/null 2>/dev/null; then
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echo " [${_SMSG[${_RC_RV}]}] "
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if test ${_RC_RV} = 0; then
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log_success_msg " [${_SMSG[${_RC_RV}]}] "
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log_failure_msg " [${_SMSG[${_RC_RV}]}] "
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echo " [${_SMSG[${_RC_RV}]}] "
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rc_reset() { _RC_RV=0; }
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if test -z "$1"; then
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elif test "$1" != "0"; then
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if test "$1" = "-r"; then _RC_RV=0; shift; fi
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if test "$1" = "-s"; then rc_failed 5; echo_rc; rc_failed 3; shift; fi
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if test "$1" = "-u"; then rc_failed ${_RC_UNUSED}; echo_rc; rc_failed 3; shift; fi
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if test "$1" = "-v"; then echo_rc; shift; fi
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if test "$1" = "-r"; then _RC_RV=0; shift; fi
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rc_exit() { exit ${_RC_RV}; }
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if test -z "$RUNLEVEL"; then read RUNLEVEL REST < <(/sbin/runlevel); fi
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if test -e /etc/init.d/S[0-9][0-9]${1}; then return 0; fi
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if ! which usleep >&/dev/null
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sleep $(( $1 / 1000000 ))
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# Reset status of this service
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# Returns 0 (success) if the given parameter names a directory, and that
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# directory is not empty.
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if [ -d "$1" ] && [ `/bin/ls $1 | wc -l` -gt 0 ]
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# read name from xen config file
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NM=$(xm create --quiet --dryrun --defconfig "$1" |
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sed -n 's/^.*(name \(.*\))$/\1/p')
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if ! contains_something "$XENDOMAINS_AUTO"
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for dom in $XENDOMAINS_AUTO/*; do
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if test -z $NAMES; then
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if [[ "$1" =~ "\(domain" ]]; then
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else if [[ "$1" =~ "\(name" ]]; then
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name=$(echo $1 | sed -e 's/^.*(name \(.*\))$/\1/')
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else if [[ "$1" =~ "\(domid" ]]; then
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id=$(echo $1 | sed -e 's/^.*(domid \(.*\))$/\1/')
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[ -n "$name" -a -n "$id" ] && return 0 || return 1
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parseln "$LN" || continue
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if test $id = 0; then continue; fi
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done < <(xm list -l | grep '(\(domain\|domid\|name\)')
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if [ -f $LOCKFILE ]; then
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echo -n "xendomains already running (lockfile exists)"
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if [ "$XENDOMAINS_RESTORE" = "true" ] &&
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contains_something "$XENDOMAINS_SAVE"
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mkdir -p $(dirname "$LOCKFILE")
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echo -n "Restoring Xen domains:"
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saved_domains=`ls $XENDOMAINS_SAVE`
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for dom in $XENDOMAINS_SAVE/*; do
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if [ -f $dom ] ; then
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HEADER=`head -c 16 $dom | head -n 1 2> /dev/null`
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if [ $HEADER = "LinuxGuestRecord" ]; then
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echo -n " ${dom##*/}"
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if [ $? -ne 0 ]; then
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# mv $dom ${dom%/*}/.${dom##*/}
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if contains_something "$XENDOMAINS_AUTO"
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echo -n "Starting auto Xen domains:"
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# We expect config scripts for auto starting domains to be in
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# XENDOMAINS_AUTO - they could just be symlinks to files elsewhere
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# Create all domains with config files in XENDOMAINS_AUTO.
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# TODO: We should record which domain name belongs
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# so we have the option to selectively shut down / migrate later
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# If a domain statefile from $XENDOMAINS_SAVE matches a domain name
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# in $XENDOMAINS_AUTO, do not try to start that domain; if it didn't
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# restore correctly it requires administrative attention.
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for dom in $XENDOMAINS_AUTO/*; do
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echo -n " ${dom##*/}"
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shortdom=$(echo $dom | sed -n 's/^.*\/\(.*\)$/\1/p')
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echo $saved_domains | grep -w $shortdom > /dev/null
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if [ $? -eq 0 ] || is_running $dom; then
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xm create --quiet --defconfig $dom
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if [ $? -ne 0 ]; then
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usleep $XENDOMAINS_CREATE_USLEEP
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parseln "$LN" || continue
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if test $id = 0; then continue; fi
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if test "$state" != "-b---d" -a "$state" != "-----d"; then
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done < <(xm list -l | grep '(\(domain\|domid\|name\)')
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# Wait for max $XENDOMAINS_STOP_MAXWAIT for xm $1 to finish;
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# if it has not exited by that time kill it, so the init script will
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# succeed within a finite amount of time; if $2 is nonnull, it will
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# kill the command as well as soon as no domain (except for zombies)
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# are left (used for shutdown --all).
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if test -z "$XENDOMAINS_STOP_MAXWAIT" -o "$XENDOMAINS_STOP_MAXWAIT" = "0"; then
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for no in `seq 0 $XENDOMAINS_STOP_MAXWAIT`; do
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# exit if xm save/migrate/shutdown is finished
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PSAX=`ps axlw | grep "xm $1" | grep -v grep`
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if test -z "$PSAX"; then exit; fi
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# go to kill immediately if there's only zombies left
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if all_zombies && test -n "$2"; then break; fi
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read PSF PSUID PSPID PSPPID < <(echo "$PSAX")
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kill $PSPID >/dev/null 2>&1
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# Collect list of domains to shut down
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if test "$XENDOMAINS_AUTO_ONLY" = "true"; then
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echo -n "Shutting down Xen domains:"
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parseln "$LN" || continue
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if test $id = 0; then continue; fi
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if test "$XENDOMAINS_AUTO_ONLY" = "true"; then
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# XENDOMAINS_SYSRQ chould be something like just "s"
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# or "s e i u" or even "s e s i u o"
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# for the latter, you should set XENDOMAINS_USLEEP to 1200000 or so
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if test -n "$XENDOMAINS_SYSRQ"; then
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for sysrq in $XENDOMAINS_SYSRQ; do
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echo -n "(SR-$sysrq)"
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if test $? -ne 0; then
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# usleep just ignores empty arg
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usleep $XENDOMAINS_USLEEP
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if test "$state" = "-b---d" -o "$state" = "-----d"; then
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if test -n "$XENDOMAINS_MIGRATE"; then
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watchdog_xm migrate &
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xm migrate $id $XENDOMAINS_MIGRATE
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if test $? -ne 0; then
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kill $WDOG_PID >/dev/null 2>&1
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kill $WDOG_PID >/dev/null 2>&1
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if test -n "$XENDOMAINS_SAVE"; then
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mkdir -p "$XENDOMAINS_SAVE"
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xm save $id $XENDOMAINS_SAVE/$name
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if test $? -ne 0; then
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kill $WDOG_PID >/dev/null 2>&1
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kill $WDOG_PID >/dev/null 2>&1
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if test -n "$XENDOMAINS_SHUTDOWN"; then
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# XENDOMAINS_SHUTDOWN should be "--halt --wait"
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watchdog_xm shutdown &
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xm shutdown $id $XENDOMAINS_SHUTDOWN
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if test $? -ne 0; then
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kill $WDOG_PID >/dev/null 2>&1
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done < <(xm list -l | grep '(\(domain\|domid\|name\)')
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# NB. this shuts down ALL Xen domains (politely), not just the ones in
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# This is because it's easier to do ;-) but arguably if this script is run
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# on system shutdown then it's also the right thing to do.
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if ! all_zombies && test -n "$XENDOMAINS_SHUTDOWN_ALL"; then
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# XENDOMAINS_SHUTDOWN_ALL should be "--all --halt --wait"
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echo -n " SHUTDOWN_ALL "
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watchdog_xm shutdown 1 &
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xm shutdown $XENDOMAINS_SHUTDOWN_ALL
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if test $? -ne 0; then
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kill $WDOG_PID >/dev/null 2>&1
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# Unconditionally delete lock file
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parseln "$LN" || continue
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if test $id = 0; then continue; fi
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done < <(xm list -l | grep '(\(domain\|domid\|name\)')
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check_all_auto_domains_up()
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if ! contains_something "$XENDOMAINS_AUTO"
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for nm in $XENDOMAINS_AUTO/*; do
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if check_domain_up "$NM"; then
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missing="$missing $NM"
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if test -n "$missing"; then
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echo -n " MISS AUTO:$missing"
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check_all_saved_domains_up()
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if ! contains_something "$XENDOMAINS_SAVE"
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missing=`/bin/ls $XENDOMAINS_SAVE`
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echo -n " MISS SAVED: " $missing
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# This does NOT necessarily restart all running domains: instead it
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# stops all running domains and then boots all the domains specified in
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# AUTODIR. If other domains have been started manually then they will
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# Commented out to avoid confusion!
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if test -f $LOCKFILE; then rc_status -v; fi
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echo -n "Checking for xendomains:"
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if test ! -f $LOCKFILE; then
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check_all_auto_domains_up
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check_all_saved_domains_up
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echo "Usage: $0 {start|stop|restart|reload|status}"
added
removed
tools/examples/init.d/xendomains
