nodejs forever service script

gistfile1.sh

#!/bin/sh
#
# chkconfig: 345 80 20
# description: project-name
# processname: project-name

NAME=project-name
SRV_DIR=/srv/$NAME
SOURCE_DIR=$SRV_DIR/current
SHARED_DIR=$SRV_DIR/shared
SOURCE_FILE=$SOURCE_DIR/app.js
NODE_ENV=development
USER=node

forever=/usr/bin/forever
logfile=$SHARED_DIR/log/forever.log
outfile=$SHARED_DIR/log/out.log
errfile=$SHARED_DIR/log/err.log

RETVAL=0

if [ ! -d "$SOURCE_DIR" ] ; then
  exit 0
fi

start() {
  echo -n $"Starting $NAME: "
  pid=`ps -u $USER -o pid -o command | awk '{ print $1, $3 }' | \
    grep -F $SOURCE_FILE | head -n 1 | awk '{ print $1 }'`
  if [ -z "$pid" ] ; then
    runuser -s /bin/bash $USER -c "NODE_ENV=$NODE_ENV ${forever} start \
      --logFile ${logfile} \--outFile ${outfile} --errFile ${errfile} \
      --append --debug $SOURCE_FILE"
    RETVAL=$?
    echo
  else
    echo $"$NAME (pid ${pid}) is running..."
  fi
}

stop() {
  echo -n $"Stopping $NAME: "
  index=`sudo runuser -s /bin/bash $USER -c "forever list" | \
    sed -r "s/\x1B\[([0-9]{1,2}(;[0-9]{1,2})?)?[m|K]//g" | \
    grep -F $SOURCE_FILE | head -n 1 | cut -d '[' -f 2 | cut -d ']' -f 1`
  if [ ! -z "$index" ] ; then
    runuser -s /bin/bash $USER -c "${forever} stop ${index}"
    RETVAL=$?
    echo
  else
    echo $"$NAME is stopped"
  fi
}

status() {
  pid=`ps -u $USER -o pid -o command | awk '{ print $1, $3 }' | \
    grep -F $SOURCE_FILE | head -n 1 | awk '{ print $1 }'`
  if [ -z "$pid" ] ; then
    echo $"$NAME is stopped"
    return 3
  fi
  echo $"$NAME (pid ${pid}) is running..."
  return 0
}

restart() {
  stop
  start
}

case "$1" in
  start)
    start
    ;;
  stop)
    stop
    ;;
  status)
    status
    RETVAL=$?
    ;;
  restart|reload|force-reload|condrestart|try-restart)
    restart
    ;;
  *)
    echo $"Usage: $0 {start|stop|status|restart|reload|force-reload|condrestart|try-restart}"
    RETVAL=2
    ;;
esac

exit $RETVAL