/etc/init.d Script for Go Application

etc-init.d-hello-world

#!/bin/bash
#
# chkconfig: 35 95 05
# description: Hello world application.

# Run at startup: sudo chkconfig hello-world on

# Load functions from library
. /etc/init.d/functions

# Name of the application
app="hello-world"

# Start the service
start() {
  # If the application is currently running
  if [ -f /var/lock/subsys/$app ] && ps -p `cat /var/lock/subsys/$app` > /dev/null 2>&1; then
    status $app
    exit 1
  else
    echo -n $"Starting $app:"
    cd /home/ec2-user/workspace/bin/$app
    ./$app > log.out 2> log.err < /dev/null &
    # Store PID in lock file
    echo $! > /var/lock/subsys/$app
    success
    echo
  fi
}

# Restart the service
stop() {
  echo -n "Stopping $app: "
  killproc $app
  rm -f /var/lock/subsys/$app
  echo
}

# Main logic
case "$1" in
  start)
    start
    ;;
  stop)
    stop
    ;;
  status)
    status $app
    ;;
  restart|reload)
    stop
    start
    ;;
  *)
    echo $"Usage: $0 {start|stop|restart|reload|status}"
    exit 1
esac
exit 0