basic init script

jenkins-slave.sh

#!/bin/sh
#
# /etc/init.d/jenkins-slave
# init script for Jenkins Slave Swarm Client.
#
# chkconfig: 2345 90 60
# description: Jenkins Slave Swarm Client
#
RETVAL=0

PID_FILE=/var/run/jenkins-slave.pid
LOCK_FILE=/var/lock/jenkins-slave

slave_start() {
  echo Starting Jenkins Slave...
  su -l jenkins -s /bin/bash -c "nohup java -jar /home/jenkins/swarm-client-1.10-jar-with-dependencies.jar -username jenkins -password 'Qu@lity!' -name ruby-01.delivery.puppetlabs.net -executors 6 -master http://jenkins-modules.delivery.puppetlabs.net -labels bundler -labels ruby-specs  &>/dev/null &"
  pgrep -f swarm-client-1.10-jar-with-dependencies.jar > $PID_FILE
  RETVAL=$?
  [ $RETVAL -eq 0 ] && touch $LOCK_FILE
}
slave_stop() {
  echo Stopping Jenkins Slave...
  pid=`cat $PID_FILE`

  kill $pid

  RETVAL=$?
  [ $RETVAL -eq 0 ] && rm -f $LOCK_FILE
}

slave_restart() {
  echo Restarting Jenkins Slave...
  slave_stop
  slave_start

  RETVAL=$?
  [ $RETVAL -eq 0 ] && touch $LOCK_FILE
}
slave_status() {
  pid=`cat $PID_FILE`
  ps -p $pid >/dev/null 2>&1
  RETVAL=$?

  if [ $RETVAL -eq 0 ]; then
    echo Jenkins Slave is running with PID `cat $PID_FILE`
  else
    echo Jenkins Slave is STOPPED.
  fi
}
case "$1" in
  start)
    slave_start
    ;;
  stop)
    slave_stop
    ;;
  restart)
    slave_restart
    ;;
  status)
    slave_status
    ;;
  *)
    echo "Usage: $0 {start|stop|restart|status}"
    exit 1
    ;;
esac

exit $RETVAL