using procServ
This commit is contained in:
zimoch
132
shellbox
132
shellbox
@@ -3,48 +3,85 @@
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# chkconfig: 2345 98 2
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# description: shellbox service for spawning programs
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. /etc/rc.d/init.d/functions
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. /etc/profile
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export PATH=$PATH:/usr/local/bin
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export HOSTNAME=$(hostname -s)
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# AD84: export HOSTNAME=$(hostname -s)
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exe=/usr/local/bin/shellbox.tcl
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# AD84: added
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if [ -f /usr/local/bin/getIocBootEnv ]
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then
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. /usr/local/bin/getIocBootEnv
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#echo ""
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#echo "shellbox: IOC=$IOC"
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#echo "shellbox: FACILITY=$FACILITY"
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#echo "shellbox: ROOTFSSERVERIP=$ROOTFSSERVERIP"
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#echo "shellbox: BOOTPC=$BOOTPC"
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#echo "shellbox: CMDLINE_HOST=$CMDLINE_HOST"
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#echo "shellbox: CMDLINE_ETH=$CMDLINE_ETH"
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#echo "shellbox: BOOTIF_BCAST=$BOOTIF_BCAST"
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#echo "shellbox: BOOTIF_IP=$BOOTIF_IP"
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#echo ""
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fi
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if [ "$IOC" == "" ]
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then
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HOSTNAME=$(hostname -s)
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else
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HOSTNAME=$IOC
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fi
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export HOSTNAME
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# AD84: end added
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exe=/usr/local/bin/procServ
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options="-k ^X --killsig 15 -x ^D -i ^C --allow -c"
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prog=shellbox
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params=
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conf=/etc/shellbox.conf
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logdir=/var/log/$prog
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shells=/var/run/$prog
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[ -n "$logdir" -a -d $logdir ] || mkdir $logdir
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fail () {
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echo -n $@
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failure
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echo
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echo $@
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exit 1
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}
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echo_failure () {
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echo " [failed]"
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}
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checkpid () {
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[ -d /proc/$PID ]
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}
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launch () {
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[ -f /ioc/${HOSTNAME}/DoNotStartEpics ] && fail "Not starting EPICS because /ioc/${HOSTNAME}/DoNotStartEpics exists"
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if [ "$1" = "-reload" ]
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then
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reload=YES
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shift
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fi
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temp=$(mktemp -p $(dirname $shells)) || fail "can't create temporary file"
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while read PORT USER DIR COMMAND
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while read PORT USER DIR COMMAND ARGS
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do
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# check for empty lines and comments
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[[ $PORT == "" || $PORT == \#* ]] && continue
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# AD84: added
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DIR=${DIR//_IOCNAME_/$HOSTNAME}
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ARGS=${ARGS//_IOCNAME_/$HOSTNAME}
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# AD84: end added
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# check if already started shell is still alive
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if LINE=$(grep "$PORT $USER $DIR $COMMAND" $shells 2> /dev/null)
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if LINE=$(grep "$PORT $USER $DIR $COMMAND $ARGS" $shells 2> /dev/null)
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then
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PID=${LINE%% *}
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if checkpid $PID
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then
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if [ -z "$reload" ] && [ -z "$*" ] || echo "$*" | grep -qw $PORT
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if [ -z "$reload" ] && [ -z "$*" ] || echo "$*" | grep -qE "(^|[[:space:]])$PORT([[:space:]]|$)"
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then
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echo_warning
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echo "Already running: $PORT $USER $DIR $COMMAND"
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echo "Already running: $PORT $USER $DIR $COMMAND $ARGS"
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fi
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echo "$LINE" >> $temp
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continue
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@@ -52,10 +89,11 @@ launch () {
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fi
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# check if we have to start all shells or only this PORT
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[ "$*" ] && echo "$*" | grep -qwv $PORT && continue
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[ "$*" ] && echo "$*" | grep -qvE "(^|[[:space:]])$PORT([[:space:]]|$)" && continue
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if [ -n "$logdir" ]
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then
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[ -d $logdir ] || mkdir -m 777 $logdir
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LOG=$logdir/$PORT
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rm -f $LOG
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else
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@@ -63,20 +101,28 @@ launch () {
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fi
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# start shellbox as other user
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echo -n Starting: $PORT $USER $DIR $COMMAND
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if sudo -E true 2> /dev/null
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echo -n Starting: $PORT $USER $DIR $COMMAND $ARGS
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if /usr/bin/sudo -E true 2> /dev/null
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then
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sudo -H -u $USER SHELLBOX=$HOSTNAME:$PORT $exe -dir $DIR $params $PORT $COMMAND >> $LOG 2>&1 < /dev/null &
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else
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export SHELLBOX=$HOSTNAME:$PORT
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sudo -H -u $USER $exe -dir $DIR $params $PORT $COMMAND >> $LOG 2>&1 < /dev/null &
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SUDO="/usr/bin/sudo -H -u $USER SHELLBOX=$HOSTNAME:$PORT"
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elif /usr/bin/sudo true 2> /dev/null
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then
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SUDO="/usr/bin/sudo -H -u $USER"
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fi
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PID=$!
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export SHELLBOX=$HOSTNAME:$PORT
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pidfile=/var/run/procServ-$PORT.pid
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rm -f $pidfile
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L=/tmp/$SHELLBOX.log
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mknod -m 666 $L p 2>/dev/null
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logger -p local0.info -t shellbox["$PORT"] -f $L &
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$exe -p $pidfile $options $DIR $params -L $L $PORT $SUDO $(which $COMMAND) $ARGS >> $LOG 2>&1 < /dev/null
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# check if starting worked or failed
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sleep 0.1
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if checkpid $PID
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usleep 100000
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if [ -e $pidfile ]
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then
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echo "$PID $PORT $USER $DIR $COMMAND" >> $temp
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PID=$(<$pidfile)
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echo "$PID $PORT $USER $DIR $COMMAND $ARGS" >> $temp
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echo
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else
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echo_failure
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@@ -112,9 +158,7 @@ stop () {
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# anything to stop?
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if [ ! -r $shells ]
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then
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echo -n "$prog: No shells started."
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success
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echo
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echo "$prog: No shells started."
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exit 0
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fi
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if [ -z "$1" ]
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@@ -131,7 +175,7 @@ stop () {
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temp=$(mktemp -p $(dirname $shells)) || fail "can't create temporary file"
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while read PID PORT ARGS
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do
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echo "$*" | grep -qw $PORT && stopshell $PID $PORT $ARGS || echo "$PID $PORT $ARGS" >> $temp
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echo "$*" | grep -qE "(^|[[:space:]])$PORT([[:space:]]|$)" && stopshell $PID $PORT $ARGS || echo "$PID $PORT $ARGS" >> $temp
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done < $shells
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mv $temp $shells
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chmod 0644 $shells
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@@ -146,23 +190,28 @@ reload () {
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then
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#first kill all shells that are not configured any more
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temp=$(mktemp -p $(dirname $shells)) || fail "can't create temporary file"
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while read PID ARGS
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while read PID LINE
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do
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while read PORT USER DIR COMMAND
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while read PORT USER DIR COMMAND ARGS
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do
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if [ "$PORT $USER $DIR $COMMAND" = "$ARGS" ]
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# AD84: added
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DIR=${DIR//_IOCNAME_/$HOSTNAME}
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ARGS=${ARGS//_IOCNAME_/$HOSTNAME}
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# AD84: end added
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if [ "$PORT $USER $DIR $COMMAND $ARGS" = "$LINE" ]
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then
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echo "Keeping: $ARGS"
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echo "$PID $ARGS" >> $temp
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echo "Keeping: $LINE"
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echo "$PID $LINE" >> $temp
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continue 2
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fi
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done < $conf
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stopshell $PID $PORT $ARGS
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stopshell $PID $PORT $LINE
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done < $shells
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mv $temp $shells
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chmod 0644 $shells
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fi
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#now start all new shells
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sleep 2
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launch -reload
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}
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@@ -174,20 +223,25 @@ status () {
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shift
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fi
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echo -e "pid\tport\tuser\tdir\t\t\tcommand"
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while read PORT USER DIR CMD
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while read PORT USER DIR COMMAND ARGS
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do
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# check for empty lines and comments
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[[ $PORT == "" || $PORT == \#* ]] && continue
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# AD84: added
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DIR=${DIR//_IOCNAME_/$HOSTNAME}
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ARGS=${ARGS//_IOCNAME_/$HOSTNAME}
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# AD84: end added
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# check if we have to report all shells
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[ "$*" ] && echo "$*" | grep -wqv $PORT && continue
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[ "$*" ] && echo "$*" | grep -qvE "(^|[[:space:]])$PORT([[:space:]]|$)" && continue
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if [ "$logdir" -a "$log" ]
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then
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echo "-------------------------------------------------------------------"
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fi
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if LINE=$(grep "$PORT $USER $DIR $CMD" $shells 2> /dev/null)
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if LINE=$(grep "$PORT $USER $DIR $COMMAND $ARGS" $shells 2> /dev/null)
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then
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PID=${LINE%% *}
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if checkpid $PID
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@@ -203,7 +257,7 @@ status () {
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echo -n STOPPED
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$SETCOLOR_NORMAL
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fi
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echo -e "\t$PORT\t$USER\t$DIR\t$CMD"
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echo -e "\t$PORT\t$USER\t$DIR\t$COMMAND $ARGS"
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if [ "$logdir" -a "$log" ]
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then
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@@ -217,7 +271,7 @@ shift
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case "$CMD" in
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(start) start $*;;
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(stop) stop $*;;
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(restart) stop $*; start $*;; # kill all shells, then start again
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(restart) stop $*; sleep 2; start $*;; # kill all shells, then start again
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(reread|reload) reload $*;; # reload shellbox.conf without killing too much
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(status) status $*;;
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(*) echo "Usage: $0 {start [ports]|stop [ports]|restart [ports]|reload|status [-log] [ports]}" ;;
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