Logstash + Jenkins / FPM

build.sh

#!/usr/bin/env bash
ruby_version="1.9.2-p180"
rpm_version="0.2"

[[ -s "$HOME/.rvm/scripts/rvm" ]] && . "$HOME/.rvm/scripts/rvm" # Load RVM function

#make sure we have rvm
no_rvm=$(which rvm | grep 'no rvm')
if [ "$no_rvm" ] ; then
  echo "install rvm"
  exit 1
fi

run() {
  echo "$@"
  "$@"
}

#make sure we have the correct ruby version
if ! rvm list | grep "$ruby_version"; then
  run rvm pkg install zlib
  run rvm pkg install readline
  run rvm pkg install openssl
  run rvm install "$ruby_version" -C --with-zlib-dir=$rvm_path/usr --with-readline-dir=$rvm_path/usr --with-openssl-dir=$rvm_path/usr
fi

#make sure we have a fpm gemset
found=''
our_ruby=''
while read LINE
do
  if [ "$our_ruby" ]
  then
    found=$(echo $LINE | grep 'fpm')
    if [ "$found" ]; then
      break;
    fi
    next_ruby=$(echo $LINE | grep 'gemsets for')
    if [ "$next_ruby" ]; then
      break;
    fi
  fi
  if [ -z "$our_ruby" ]; then
    our_ruby=$(echo $LINE | grep "$ruby_version")
  fi
done < <(rvm gemset list_all)

#create the fpm gemset if it isn't available
if [ -z "$found" ]; then
  echo "creating 'fpm' gemset and installing bundler"
  run rvm use "$ruby_version@fpm" --create
  run rvm "$ruby_version@fpm" gem install fpm
fi

run rvm "$ruby_version@fpm" exec fpm -s dir -t rpm -C ./build -a x86_64 -n logstash -v $rpm_version -x .svn --post-install post-install.sh --post-uninstall post-uninstall.sh home/logstash

logstash (initd)

#!/bin/bash
#
# Init file for logstash log collection daemon
#
# chkconfig: 2345 80 20
# description: logstash log collection daemon
#
# pidfile: /var/run/logstash.pid

# source function library
. /etc/rc.d/init.d/functions

RETVAL=0
prog="logstash"

HOME="/home/logstash"
USER="logstash"
PROCESS="rvm 1.9.2@logstash exec bundle exec ruby $HOME/bin/logstash agent -f $HOME/config/logstash.conf 2>> $HOME/logs/logstash.log"
PIDFILE=/var/run/logstash.pid

# totally cheating here because I couldn't get the daemon function working how I wanted...
getPid()
{
        if [ -f $PIDFILE ]
        then
                pid=`cat $PIDFILE`
                return 0
        fi
        pid=$(ps -eo pid,args | grep "\/home\/logstash\/bin\/logstash agent" | cut -c1-6)
}

status()
{
	echo "Checking Logstash Status..."
        getPid
        if [ -n "$pid" ]
        then
                echo_running
                echo 
                return 0
	else
		echo_stopped
		echo
		return 0
        fi
}

echo_running() {
  [ "$BOOTUP" = "color" ] && $MOVE_TO_COL
  echo -n "["
  [ "$BOOTUP" = "color" ] && $SETCOLOR_SUCCESS
  echo -n $"RUNNING"
  [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
  echo -n "]"
  echo -ne "\r"
  return 0
}

echo_stopped() {
  [ "$BOOTUP" = "color" ] && $MOVE_TO_COL
  echo -n "["
  [ "$BOOTUP" = "color" ] && $SETCOLOR_FAILURE
  echo -n $"STOPPED"
  [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
  echo -n "]"
  echo -ne "\r"
  return 1
}


start()
{
        echo -n $"Starting Logstash... "
        getPid
        if [ -n "$pid" ]
        then
                echo "Logstash is already running: $pid"
                echo_failure
                echo 
                return 1
        fi
        runuser -s /bin/bash - $USER -c "$PROCESS &"
        getPid
        echo "$pid" > $PIDFILE
        echo_success
        echo
}

stop()
{
        echo -n $"Stopping Logstash... "
        getPid
        if [ -z "$pid" ] || [ ! -f $PIDFILE ]
        then
                echo "Logstash is not running"
                echo_failure
                echo 
                return 1
        fi
        killproc -p $PIDFILE
        echo
        RETVAL=$?
}

case "$1" in
        start)
                start
                ;;
        stop)
                stop
                ;;
        restart)
                stop
                start
                ;;
	status)
		status
		;;
        *)
                echo $"Usage: $0 {start|stop|restart|status}"
                RETVAL=1
esac
exit $RETVAL

post-install.sh

/usr/sbin/useradd -r -d /home/logstash logstash
chown -R logstash:logstash /home/logstash
ln -s /home/logstash/etc/logstash /etc/init.d/logstash
chmod 755 /etc/init.d/logstash
chkconfig --add logstash

post-uninstall.sh

/usr/sbin/userdel logstash
rm -rf /home/logstash
rm /etc/init.d/logstash

setupenv

sudo git clone git://github.com/logstash/logstash.git /home/logstash
sudo /usr/sbin/useradd -r -d /home/logstash logstash
sudo su - logstash
curl -s https://raw.github.com/wayneeseguin/rvm/master/binscripts/rvm-installer | bash
echo '[[ -s "$HOME/.rvm/scripts/rvm" ]] && . "$HOME/.rvm/scripts/rvm" # Load RVM function' >> ~/.bashrc
. ~/.bashrc
rvm pkg install readline
rvm pkg install zlib
rvm install 1.9.2 –with-zlib-dir=$rvm_path/usr –with-readline-dir=$rvm_path/usr
rvm 1.9.2@logstash –create
gem install bundler –pre
bundle install

setupextras

rm -rf docs/ etc/ misc/ screencast/
mkdir logs config
touch logs/logstash.log
touch etc/logstash
touch config/logstash.conf