Imported Upstream version 1.5.1
This commit is contained in:
Mario Fetka
223
contrib/xtreemfs-osd-farm/xtreemfs-osd-farm
Executable file
223
contrib/xtreemfs-osd-farm/xtreemfs-osd-farm
Executable file
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#!/bin/bash
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### BEGIN INIT INFO
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# Provides: xtreemfs-osd-farm
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# Required-Start: $network $remote_fs
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# Required-Stop: $network $remote_fs
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# Should-Start: xtreemfs-dir
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# Should-Stop: $null
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# Default-Start: 3 5
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# Default-Stop: 0 1 2 6
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# Short-Description: XtreemFS OSD init.d script which can start multiple OSDs on the same machine in contrast to xtreemfs-osd
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# Description: XtreemFS Object Storage Device (OSD). http://www.xtreemfs.org/
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### END INIT INFO
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# Source function library.
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if [ -e /lib/lsb/init-functions ]; then
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. /lib/lsb/init-functions
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else
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. /etc/init.d/functions
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fi
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XTREEMFS_USER=xtreemfs
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# List of OSD instances which shall be started, seperated by spaces.
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# For every OSD there has to be a configuration file.
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OSD_INSTANCES="osd1 osd2 osd3"
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# OSD specific options. Use %OSDNAME% which will be substituted.
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PID_OSD_GENERIC=/var/run/xtreemfs_%OSDNAME%.pid
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CONFIG_OSD_GENERIC=/etc/xos/xtreemfs/%OSDNAME%.config.properties
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LOG_OSD_GENERIC=/var/log/xtreemfs/%OSDNAME%.log
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if [ -z $JAVA_HOME ]; then
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export JAVA_HOME=/usr
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fi
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JAVA_CALL="$JAVA_HOME/bin/java -ea -cp /usr/share/java/XtreemFS.jar:/usr/share/java/BabuDB.jar:/usr/share/java/Flease.jar:/usr/share/java/protobuf-java-2.5.0.jar:/usr/share/java/Foundation.jar:/usr/share/java/jdmkrt.jar:/usr/share/java/jdmktk.jar:/usr/share/java/commons-codec-1.3.jar"
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# For SELinux we need to use 'runuser' not 'su'
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if [ -x "/sbin/runuser" ]; then
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SU="/sbin/runuser"
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else
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SU="/bin/su"
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fi
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pre_check() {
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LOG_OSD="$1"
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CONFIG_OSD="$2"
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exists=`grep -c $XTREEMFS_USER /etc/passwd`
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if [ $exists -eq 0 ]; then
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echo "User $XTREEMFS_USER does not exist. Create it first."
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exit 1
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fi
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log_directory=`dirname $LOG_OSD`
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if [ ! -e $log_directory ]; then
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echo "Directory for logfiles $log_directory does not exist. Create it first."
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exit 1
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fi
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if [ ! -f "$CONFIG_OSD" ]; then
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echo -e "Config file not found: $CONFIG_OSD"
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echo
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exit 1
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fi
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}
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get_osd_list() {
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OSD_LIST=""
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if [ -n "$1" ]; then
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# Check if given OSD name in list of allowed OSDs.
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for osd in $OSD_INSTANCES; do
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[ "$osd" = "$1" ] && OSD_LIST="$1" && return 0
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done
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echo "OSD \"$1\" is not part of the list OSD_INSTANCES."
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exit 1
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else
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OSD_LIST=$OSD_INSTANCES
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return 0
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fi
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}
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substitute_osdname() {
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echo "$1" | sed -e "s/%OSDNAME%/$2/g"
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}
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pre_check_vars() {
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for var in $LOG_OSD_GENERIC $PID_OSD_GENERIC $CONFIG_OSD_GENERIC; do
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echo "$var" | grep %OSDNAME% >/dev/null || {
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echo "%OSDNAME% parameter not found in variable: $var"
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exit 1
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}
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done
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}
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start() {
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get_osd_list "$1"
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pre_check_vars
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for osdname in $OSD_LIST; do
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LOG_OSD=$(substitute_osdname "$LOG_OSD_GENERIC" "$osdname")
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PID_OSD=$(substitute_osdname "$PID_OSD_GENERIC" "$osdname")
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CONFIG_OSD=$(substitute_osdname "$CONFIG_OSD_GENERIC" "$osdname")
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pre_check "$LOG_OSD" "$CONFIG_OSD"
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echo >> $LOG_OSD
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date >> $LOG_OSD
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echo -e "Starting XtreemFS Object Storage Device (OSD): $osdname ... \n\n" >> $LOG_OSD
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echo -n "Starting XtreemFS Object Storage Device (OSD): $osdname ... "
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$SU -s /bin/bash $XTREEMFS_USER -c "$JAVA_CALL org.xtreemfs.osd.OSD $CONFIG_OSD" >> $LOG_OSD 2>&1 &
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PROCPID=$!
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echo $PROCPID > $PID_OSD
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sleep 1s
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if [ -e /proc/$PROCPID ]; then
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echo "success"
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else
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echo "failed"
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return 1
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fi
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done
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return 0
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}
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stop() {
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get_osd_list "$1"
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pre_check_vars
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for osdname in $OSD_LIST; do
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LOG_OSD=$(substitute_osdname "$LOG_OSD_GENERIC" "$osdname")
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PID_OSD=$(substitute_osdname "$PID_OSD_GENERIC" "$osdname")
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CONFIG_OSD=$(substitute_osdname "$CONFIG_OSD_GENERIC" "$osdname")
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result=0
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if [ -f $PID_OSD ]; then
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echo -n "Stopping XtreemFS Object Storage Device (OSD): $osdname ... "
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killproc -p $PID_OSD $SU
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result=$?
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if [ $result -eq 0 ]; then
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rm -f $PID_OSD
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echo "success"
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else
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echo "failed"
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fi
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else
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echo "XtreemFS Object Storage Device (OSD) is not running"
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fi
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done
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return $result
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}
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status() {
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get_osd_list "$1"
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pre_check_vars
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rc=0
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for osdname in $OSD_LIST; do
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LOG_OSD=$(substitute_osdname "$LOG_OSD_GENERIC" "$osdname")
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PID_OSD=$(substitute_osdname "$PID_OSD_GENERIC" "$osdname")
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CONFIG_OSD=$(substitute_osdname "$CONFIG_OSD_GENERIC" "$osdname")
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if [ -f $PID_OSD ]; then
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PROCPID=`cat $PID_OSD`
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if [ ! -e /proc/$PROCPID ]; then
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echo "XtreemFS Object Storage Device (OSD): $osdname has crashed"
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rc=1
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else
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echo "XtreemFS Object Storage Device (OSD): $osdname is running"
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fi
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else
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echo "XtreemFS Object Storage Device (OSD): $osdname is not running"
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rc=3
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fi
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done
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return $rc
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}
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# See how we were called.
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case "$1" in
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start)
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start "$2"
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result=$?
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;;
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stop)
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stop "$2"
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result=$?
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;;
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status)
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status "$2"
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result=$?
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;;
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reload)
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result=0
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;;
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restart)
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stop "$2" && sleep 1 && start "$2"
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result=$?
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;;
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try-restart)
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## Stop the service and if this succeeds (i.e. the
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## service was running before), start it again.
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$0 status "$2" >/dev/null
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if [ $? -eq 0 ]; then
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$0 restart "$2"
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result=$?
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else
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result=0
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fi
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;;
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*)
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echo -e "Usage: $0 {start|stop|restart|reload|status|try-restart}\n"
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result=1
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;;
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esac
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exit $result
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