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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=/home/ubuntu/kafka_2.11-0.10.1.0 | |
| KAFKA_USER=root | |
| #Modify this file to obtain greater java heap size | |
| KAFKA_SCRIPT=$KAFKA_HOME/bin/kafka-server-start.sh | |
| KAFKA_CONFIG=$KAFKA_HOME/config/server.properties | |
| # Create this directory | |
| 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 | |
| # Make this file executable | |
| /lib/lsb/init-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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