generic-init.d-using-forever.bash

#!/bin/bash
### BEGIN INIT INFO
# Provides:          log.io-harvester
# Required-Start:    $local_fs $remote_fs $network $syslog
# Required-Stop:     $local_fs $remote_fs $network $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Start and stop the log.io-harvester daemon
### END INIT INFO

export HOME="/root"
. /etc/profile

[ -z "$SCRIPT_NAME" ]    && SCRIPT_NAME="log.io-harvester"
[ -z "$SCRIPT_CMD" ]     && SCRIPT_CMD="`which $SCRIPT_NAME`"
[ -z "$SCRIPT_PIDFILE" ] && SCRIPT_PIDFILE="/var/run/$SCRIPT_NAME.pid"
[ -z "$FOREVER_CMD" ]    && FOREVER_CMD="`which forever`"

daemon_start() {
  $FOREVER_CMD start --pidFile $SCRIPT_PIDFILE $SCRIPT_CMD 1>/dev/null
}

daemon_stop() {
  $FOREVER_CMD stop $SCRIPT_CMD 1>/dev/null
}

daemon_restart() {
  $FOREVER_CMD restart $SCRIPT_CMD 1>/dev/null
}

case $1 in

  start)
    if [[ -f $SCRIPT_PIDFILE && -d /proc/`cat $SCRIPT_PIDFILE` ]]; then
      echo "$SCRIPT_NAME is already running."
      exit 0
    else
      daemon_start

      for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14; do
        if [ -f $SCRIPT_PIDFILE ]; then
          break
        fi
        sleep 1
      done

      if [ -d /proc/`cat $SCRIPT_PIDFILE` ]; then
        echo "$SCRIPT_NAME started."
        exit 0
      else
        echo "$SCRIPT_NAME cannot be started."
        exit 1
      fi
    fi
  ;;

  stop)
    if [[ ! -f $SCRIPT_PIDFILE || ! -d /proc/`cat $SCRIPT_PIDFILE` ]]; then
      echo "$SCRIPT_NAME is already stopped."
      exit 0
    else
      daemon_stop

      for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14; do
        if [ ! -d /proc/`cat $SCRIPT_PIDFILE` ]; then
          break
        fi
        sleep 1
      done

      if [ -d /proc/`cat $SCRIPT_PIDFILE` ]; then
        echo "$SCRIPT_NAME cannot be stopped."
        exit 1
      else
        echo "$SCRIPT_NAME is stopped."
        rm -f $SCRIPT_PIDFILE 2>/dev/null
        exit 0
      fi
    fi
  ;;

  restart | reload | force-reload)
    if [[ ! -f $SCRIPT_PIDFILE || ! -d /proc/`cat $SCRIPT_PIDFILE` ]]; then
      PID=0
      daemon_start
    else
      PID=`cat $SCRIPT_PIDFILE`
      daemon_restart
    fi

    for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14; do
      if [[ -f $SCRIPT_PIDFILE && "$PID" != "`cat $SCRIPT_PIDFILE`" ]]; then
        break
      fi
      sleep 1
    done

    if [ -d /proc/`cat $SCRIPT_PIDFILE` ]; then
      echo "$SCRIPT_NAME has been restarted."
      exit 0
    else
      echo "$SCRIPT_NAME cannot be restarted."
      exit 1
    fi    
  ;;

  status)
    if [[ -f $SCRIPT_PIDFILE && -d /proc/`cat $SCRIPT_PIDFILE` ]]; then
      echo "$SCRIPT_NAME is running."
      exit 0
    else
      echo "$SCRIPT_NAME is not running."
      exit 1
    fi
  ;;

  *)
    echo "Usage: $0 {start|stop|restart|status}"
    exit 1
  ;;

esac