#! /bin/bash
#
# sidekiq Init script for sidekiq
#
# chkconfig: 345 25 75
# description: Starts and stops sidekiq message processor

# Source function library.
# . /etc/rc.d/init.d/functions

# You will need to modify these
APP="your_app"
AS_USER="your_user"
APP_DIR="/home/your_user/${APP}"

APP_CONFIG="${APP_DIR}/config"
LOG_FILE="$APP_DIR/log/sidekiq.log"
LOCK_FILE="$APP_DIR/${APP}-lock"
PID_FILE="$APP_DIR/${APP}.pid"
GEMFILE="$APP_DIR/Gemfile"
SIDEKIQ="sidekiq"
APP_ENV="production"
BUNDLE="bundle"

# [ -e /etc/sysconfig/sidekiq-your_app ] && . /etc/sysconfig/sidekiq-your_app

START_CMD="$BUNDLE exec $SIDEKIQ -e $APP_ENV -P $PID_FILE"
CMD="cd ${APP_DIR}; ${START_CMD} >> ${LOG_FILE} 2>&1 &"

RETVAL=0


start() {

  status
  if [ $? -eq 1 ]; then

    [ `id -u` == '0' ] || (echo "$SIDEKIQ runs as root only .."; exit 5)
    [ -d $APP_DIR ] || (echo "$APP_DIR not found!.. Exiting"; exit 6)
    cd $APP_DIR
    echo "Starting $SIDEKIQ message processor .. "

    su -c "$CMD" - $AS_USER

    RETVAL=$?
    #Sleeping for 8 seconds for process to be precisely visible in process table - See status ()
    sleep 8
    [ $RETVAL -eq 0 ] && touch $LOCK_FILE
    return $RETVAL
  else
    echo "$SIDEKIQ message processor is already running .. "
  fi


}

stop() {

    echo "Stopping $SIDEKIQ message processor .."
    SIG="INT"
    kill -$SIG `cat  $PID_FILE`
    RETVAL=$?
    [ $RETVAL -eq 0 ] && rm -f $LOCK_FILE
    return $RETVAL
}

status() {

  ps -ef | grep 'sidekiq [0-9].[0-9].[0-9]' | grep -v grep
  return $?
}

restart() {
  stop
  start
}

reload() {
  restart
}

force_reload() {
  restart
}

case "$1" in
    start)
        start
        ;;
    stop)
        stop
        ;;
    restart)
	;;
    reload)
	;;
    force_reload)
	;;
    status)
        status

        if [ $? -eq 0 ]; then
             echo "$SIDEKIQ message processor is running .."
             RETVAL=0
         else
             echo "$SIDEKIQ message processor is stopped .."
             RETVAL=1
         fi
        ;;
    *)
        echo "Usage: $0 {start|stop|status}"
        exit 0
        ;;
esac
exit $RETVAL