nodejs daemon

node.sh

#!/bin/bash

USER=nodejs
PIDFILE=/var/run/sample.pid

SCRIPT=/home/$USER/sample/index.js
NVM_SCRIPT=/home/$USER/.nvm/nvm.sh

start() {
  echo "Starting service"

  if [ "$foreverId" == "" ]; then
    touch $PIDFILE
    chown $USER $PIDFILE

    su $USER -c ". $NVM_SCRIPT && forever start --pidFile $PIDFILE $SCRIPT"
    RETVAL=$?
  else
    echo "Service is already running"
    RETVAL=0
  fi
}

stop() {
  echo "Stopping service"

  if [ "$foreverId" != "" ]; then
    su $USER -c ". $NVM_SCRIPT && forever stop $SCRIPT"
    rm -rf $PIDFILE
    RETVAL=$?
  else
    echo "Service is not running"
    RETVAL=1
  fi
}

if [ -f $PIDFILE ]; then
  read pid < $PIDFILE
else
  pid=""
fi

if [ "$pid" != "" ]; then
  foreverid=`su $USER -c ". ~/.nvm/nvm.sh && forever list --plain | sed -n 's/^data:\s\+\[\([0-9]\+\)\]\s\+.*\s\+'$pid'\s\+\S\+\s\+[0-9]\+:[0-9]\+:[0-9]\+:[0-9]\+\.[0-9]\+\s*$/\1/p'"`
else
  foreverId=""
fi

case "$1" in
  start)
    start
    ;;
  stop)
    stop
    ;;
  *)
    echo "Usage: {start|stop}"
    exit 1
    ;;
esac

exit $RETVAL