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Kafka service script (copy to file: /etc/init.d/kafka)
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#! /bin/sh | |
# /etc/init.d/kafka: start the kafka daemon. | |
# chkconfig: - 80 20 | |
# description: kafka | |
KAFKA_HOME=/usr/share/kafka | |
KAFKA_USER=root | |
KAFKA_SCRIPT=$KAFKA_HOME/bin/kafka-server-start.sh | |
KAFKA_CONFIG=$KAFKA_HOME/config/server.properties | |
KAFKA_CONSOLE_LOG=/var/log/kafka/console.log | |
PATH=/bin:/usr/bin:/sbin:/usr/sbin:/usr/local/bin | |
prog=kafka | |
DESC="kafka daemon" | |
RETVAL=0 | |
STARTUP_WAIT=30 | |
SHUTDOWN_WAIT=30 | |
KAFKA_PIDFILE=/var/run/kafka/kafka.pid | |
# Source function library. | |
. /etc/init.d/functions | |
start() { | |
echo -n $"Starting $prog: " | |
# Create pid file | |
if [ -f $KAFKA_PIDFILE ]; then | |
read ppid < $KAFKA_PIDFILE | |
if [ `ps --pid $ppid 2> /dev/null | grep -c $ppid 2> /dev/null` -eq '1' ]; then | |
echo -n "$prog is already running" | |
failure | |
echo | |
return 1 | |
else | |
rm -f $KAFKA_PIDFILE | |
fi | |
fi | |
rm -f $KAFKA_CONSOLE_LOG | |
mkdir -p $(dirname $KAFKA_PIDFILE) | |
chown $KAFKA_USER $(dirname $KAFKA_PIDFILE) || true | |
# Run daemon | |
cd $KAFKA_HOME | |
nohup sh $KAFKA_SCRIPT $KAFKA_CONFIG 2>&1 >> $KAFKA_CONSOLE_LOG 2>&1 & | |
PID=$! | |
echo $PID > $KAFKA_PIDFILE | |
count=0 | |
launched=false | |
until [ $count -gt $STARTUP_WAIT ] | |
do | |
grep 'started' $KAFKA_CONSOLE_LOG > /dev/null | |
if [ $? -eq 0 ] ; then | |
launched=true | |
break | |
fi | |
sleep 1 | |
let count=$count+1; | |
done | |
success | |
echo | |
return 0 | |
} | |
stop() { | |
echo -n $"Stopping $prog: " | |
count=0; | |
if [ -f $KAFKA_PIDFILE ]; then | |
read kpid < $KAFKA_PIDFILE | |
let kwait=$SHUTDOWN_WAIT | |
# Try issuing SIGTERM | |
kill -15 $kpid | |
until [ `ps --pid $kpid 2> /dev/null | grep -c $kpid 2> /dev/null` -eq '0' ] || [ $count -gt $kwait ] | |
do | |
sleep 1 | |
let count=$count+1; | |
done | |
if [ $count -gt $kwait ]; then | |
kill -9 $kpid | |
fi | |
fi | |
rm -f $KAFKA_PIDFILE | |
rm -f $KAFKA_CONSOLE_LOG | |
success | |
echo | |
} | |
reload() { | |
stop | |
start | |
} | |
restart() { | |
stop | |
start | |
} | |
status() { | |
if [ -f $KAFKA_PIDFILE ]; then | |
read ppid < $KAFKA_PIDFILE | |
if [ `ps --pid $ppid 2> /dev/null | grep -c $ppid 2> /dev/null` -eq '1' ]; then | |
echo "$prog is running (pid $ppid)" | |
return 0 | |
else | |
echo "$prog dead but pid file exists" | |
return 1 | |
fi | |
fi | |
echo "$prog is not running" | |
return 3 | |
} | |
case "$1" in | |
start) | |
start | |
;; | |
stop) | |
stop | |
;; | |
reload) | |
reload | |
;; | |
restart) | |
restart | |
;; | |
status) | |
status | |
;; | |
*) | |
echo $"Usage: $0 {start|stop|reload|restart|status}" | |
exit 1 | |
esac | |
exit $? |
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