logstash monolithic init script and spec file for CentOS / RedHat

logstash RPM spec

Name:		logstash
Version:	1.1.0
Release:	1%{?dist}
Summary:	logstash is a tool for managing events and logs

Group:		System/Logging
License:	ASL 2.0
URL:		http://logstash.net/
Source0:	http://semicomplete.com/files/logstash/logstash-%{version}-monolithic.jar
Source1:	logstash
Source2:	logstash.conf
BuildRoot:	%(mktemp -ud %{_tmppath}/%{name}-%{version}-%{release}-XXXXXX)
BuildArch:	noarch

Requires:	java
Requires:	grok	

%description
logstash is a tool for managing events and logs. You can use it to collect logs, parse them, and store them for later use (like, for searching). Speaking of searching, logstash comes with a web interface for searching and drilling into all of your logs.

It is fully free and fully open source. The license is Apache 2.0, meaning you are pretty much free to use it however you want in whatever way.


%prep

%build

%install
rm -rf $RPM_BUILD_ROOT
mkdir -p $RPM_BUILD_ROOT/opt/%{name} $RPM_BUILD_ROOT/%{_sysconfdir}/rc.d/init.d
install %{SOURCE0} $RPM_BUILD_ROOT/opt/%{name}
install -m 755 %{SOURCE1} $RPM_BUILD_ROOT/%{_sysconfdir}/rc.d/init.d/%{name}
install %{SOURCE2} $RPM_BUILD_ROOT/%{_sysconfdir}
ln -s /opt/%{name}/%{name}-%{version}-monolithic.jar $RPM_BUILD_ROOT/opt/%{name}/%{name}-monolithic.jar

%clean
rm -rf $RPM_BUILD_ROOT


%files
%defattr(-,root,root,-)
%config %{_sysconfdir}/logstash.conf
/opt/%{name}/%{name}-%{version}-monolithic.jar
/opt/%{name}/%{name}-monolithic.jar
%{_sysconfdir}/rc.d/init.d/%{name}

%changelog

logstash.sh

#! /bin/sh
#
#	/etc/rc.d/init.d/logstash
#
#	Starts Logstash as a daemon
#
# chkconfig: 2345 20 80
# description: Starts Logstash as a daemon
# pidfile: /var/run/logstash-agent.pid

### 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.
# Author: [email protected], modified by https://github.com/paul-at

### END INIT INFO

# Amount of memory for Java
JAVAMEM=256M

# Location of logstash files
LOCATION=/opt/logstash

PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
DESC="Logstash Daemon"
NAME=java
DAEMON=`which java`
CONFIG_DIR=/etc/logstash.conf
LOGFILE="/var/log/logstash.log"
PATTERNSPATH="/opt/logstash/patterns"
JARNAME=logstash-monolithic.jar
ARGS="-Xmx$JAVAMEM -Xms$JAVAMEM -jar ${JARNAME} agent --config ${CONFIG_DIR} --log ${LOGFILE} --grok-patterns-path ${PATTERNSPATH}"
SCRIPTNAME=/etc/init.d/logstash
base=logstash

# Exit if the package is not installed
if [ ! -x "$DAEMON" ]; then
{
  echo "Couldn't find $DAEMON"
  exit 99
}
fi

. /etc/init.d/functions

#
# Function that starts the daemon/service
#
do_start()
{
  cd $LOCATION && \
  ($DAEMON $ARGS &) \
  && success || failure
}

#
# Function that stops the daemon/service
#
do_stop()
{
  pid=`ps auxww | grep 'logstash.*monolithic' | grep java | awk '{print $2}'`
                       if checkpid $pid 2>&1; then
                           # TERM first, then KILL if not dead
                           kill -TERM $pid >/dev/null 2>&1
                           usleep 100000
                           if checkpid $pid && sleep 1 &&
                              checkpid $pid && sleep $delay &&
                              checkpid $pid ; then
                                kill -KILL $pid >/dev/null 2>&1
                                usleep 100000
                           fi
                        fi
                        checkpid $pid
                        RC=$?
                        [ "$RC" -eq 0 ] && failure $"$base shutdown" || success $"$base shutdown"

}

case "$1" in
  start)
    echo -n "Starting $DESC: "
    do_start
    touch /var/lock/subsys/$JARNAME
    ;;
  stop)
    echo -n "Stopping $DESC: "
    do_stop
    rm /var/lock/subsys/$JARNAME
    ;;
  restart|reload)
    echo -n "Restarting $DESC: "
    do_stop
    do_start
    ;;
  status)
    status -p $PID
    ;;
  *)
    echo "Usage: $SCRIPTNAME {start|stop|status|restart}" >&2
    exit 3
    ;;
esac

echo
exit 0

the status command doesn't work:

the fixed script:

! /bin/sh

/etc/rc.d/init.d/logstash

Starts Logstash as a daemon

chkconfig: 2345 20 80

description: Starts Logstash as a daemon

pidfile: /var/run/logstash-agent.pid

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.

Author: [email protected], modified by https://github.com/paul-at

END INIT INFO

Amount of memory for Java

JAVAMEM=256M

Location of logstash files

LOCATION=/logstash

PIDFILE=/var/run/logstash.pid
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
DESC="Logstash Daemon"
NAME=java
DAEMON=which java
CONFIG_DIR=/logstash/shipper.conf
LOGFILE="/var/log/logstash.log"
PATTERNSPATH="/opt/logstash/patterns"
JARNAME=logstash-monolithic.jar
ARGS="-Xmx$JAVAMEM -Xms$JAVAMEM -jar ${JARNAME} agent --config ${CONFIG_DIR} --log ${LOGFILE}"
SCRIPTNAME=/etc/init.d/logstash-shipper
base=logstash

Exit if the package is not installed

if [ ! -x "$DAEMON" ]; then
{
echo "Couldn't find $DAEMON"
exit 99
}
fi
. /etc/init.d/functions

Function that starts the daemon/service

do_start()
{
cd $LOCATION &&
($DAEMON $ARGS &)
&& success || failure
}

Function that stops the daemon/service

do_stop()
{
pid=ps auxww | grep 'logstash.*monolithic' | grep java | awk '{print $2}'
if checkpid $pid 2>&1; then
# TERM first, then KILL if not dead
kill -TERM $pid >/dev/null 2>&1
usleep 100000
if checkpid $pid && sleep 1 &&
checkpid $pid && sleep $delay &&
checkpid $pid ; then
kill -KILL $pid >/dev/null 2>&1
usleep 100000
fi
fi
checkpid $pid
RC=$?
[ "$RC" -eq 0 ] && failure $"$base shutdown" || success $"$base shutdown"

}

case "$1" in
start)
echo -n "Starting $DESC: "
do_start
pid=ps auxww | grep 'logstash.*monolithic' | grep java | awk '{print $2}'
touch /var/lock/subsys/$JARNAME
echo $pid > /var/run/logstash.pid
;;
stop)
echo -n "Stopping $DESC: "
do_stop
rm /var/lock/subsys/$JARNAME
;;
restart|reload)
echo -n "Restarting $DESC: "
do_stop
do_start
;;
status)
PID=ps auxww | grep 'logstash.*monolithic' | grep java | awk '{print $2}'
if [ "x$PID" != "x" ]; then
echo $PIDFILE
status -p $PIDFILE
else
echo "Stopped"
fi
;;
*)
echo "Usage: $SCRIPTNAME {start|stop|status|restart}" >&2
exit 3
;;
esac

echo

reload)
pkill -HUP -u $LOGSTASH_USER
;;

reload of config file is working just fine

Nice. working great with a couple minor tweaks. Thanks!

thx