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#! /bin/sh | |
# | |
# /etc/rc.d/init.d/logstash | |
# | |
# Starts Logstash as a daemon | |
# | |
# chkconfig: 2345 20 80 | |
# description: Starts Logstash as a daemon | |
### BEGIN INIT INFO | |
# Provides: logstash | |
# Required-Start: $local_fs $remote_fs | |
# Required-Stop: $local_fs $remote_fs | |
# Default-Start: 2 3 4 5 | |
# Default-Stop: S 0 1 6 | |
# Short-Description: Logstash | |
# Description: Starts Logstash as a daemon. | |
### END INIT INFO | |
. /etc/rc.d/init.d/functions | |
PATH=/bin:/usr/bin:/usr/local/bin:/sbin:/usr/sbin | |
NAME=logstash | |
DESC="Logstash Daemon" | |
DEFAULT=/etc/sysconfig/$NAME | |
if [ `id -u` -ne 0 ]; then | |
echo "You need root privileges to run this script" | |
exit 1 | |
fi | |
# The following variables can be overwritten in $DEFAULT | |
JAVA_HOME=/usr/bin | |
# Directory where the logstash all in one jar lives | |
LS_HOME=/usr/local/bin/logstash | |
# logstash log directory | |
LOG_DIR=/var/log/logstash | |
# logstash configuration directory | |
CONF_DIR=/etc/logstash.conf | |
# logstash log file | |
LOG_FILE=$LOG_DIR/$NAME.log | |
# Open File limit | |
OPEN_FILES=4096 | |
# Nice level | |
NICE=19 | |
# Filter threads | |
FILTER_THREADS=1 | |
# Location of pidfile | |
PID_FILE=/var/run/logstash/logstash.pid | |
# Logstash jar | |
JAR="${LS_HOME}/logstash.jar" | |
# End of variables that can be overwritten in $DEFAULT | |
if [ -f "$DEFAULT" ]; then | |
. "$DEFAULT" | |
fi | |
# Define other required variables | |
export HOME=$LS_HOME | |
export JAVA_HOME | |
JAVA=`which java` | |
ARGS="-jar ${JAR} agent --config ${CONF_DIR} --log ${LOG_FILE} -w ${FILTER_THREADS}" | |
is_true() { | |
if [ "x$1" = "xtrue" -o "x$1" = "xyes" -o "x$1" = "x1" ] ; then | |
return 0 | |
else | |
return 1 | |
fi | |
} | |
# | |
# Function that starts the daemon/service | |
# | |
do_start() | |
{ | |
if ! is_true "$START" ; then | |
echo "logstash not configured to start, please edit $DEFAULT to enable" | |
exit 0 | |
fi | |
if [ -z "$JAVA" ]; then | |
echo "no JDK found - $JAVA" | |
exit 1 | |
fi | |
if ! test -e "${JAR}"; then | |
echo "Daemon $DAEMON doesn't exist" | |
exit 1 | |
fi | |
if pidofproc -p "$PID_FILE" >/dev/null; then | |
failure | |
exit 99 | |
fi | |
ulimit -n $OPEN_FILES | |
cd $LS_HOME | |
$JAVA $ARGS > /dev/null 1>&1 & | |
RETVAL=$? | |
local PID=`pgrep -f "${DAEMON} ${ARGS}"` | |
echo $PID > $PID_FILE | |
success | |
} | |
# | |
# Function that stops the daemon/service | |
# | |
do_stop() | |
{ | |
killproc -p $PID_FILE $DAEMON | |
RETVAL=$? | |
echo | |
[ $RETVAL = 0 ] && rm -f ${PID_FILE} | |
} | |
case "$1" in | |
start) | |
echo -n "Starting $DESC: " | |
do_start | |
touch /var/run/logstash/$NAME | |
;; | |
stop) | |
echo -n "Stopping $DESC: " | |
do_stop | |
rm /var/run/logstash/$NAME | |
;; | |
restart|reload) | |
echo -n "Restarting $DESC: " | |
do_stop | |
do_start | |
;; | |
status) | |
echo -n "$DESC" | |
status -p $PID_FILE | |
exit $? | |
;; | |
*) | |
echo "Usage: $SCRIPTNAME {start|stop|status|restart}" >&2 | |
exit 3 | |
;; | |
esac | |
echo | |
exit 0 |
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