sidekiq.init.sh

#!/bin/bash
### BEGIN INIT INFO
# Provides:     sidekiq beta    
# Required-Start:   $syslog $remote_fs
# Required-Stop:    $syslog $remote_fs
# Should-Start:     $local_fs
# Should-Stop:      $local_fs
# Default-Start:    2 3 4 5
# Default-Stop:     0 1 6
# Short-Description:    sidekiq
# Description:      sidekiq
### END INIT INFO

#Variable Set
NAME=sidekiq
SIDEKIQ="sidekiq"
APP="gleam-backend"
APP_DIR="/home/gleamworld/$APP/current"
APP_CONFIG="$APP_DIR/config/sidekiq.yml"
LOG_FILE="$APP_DIR/log/sidekiq.log"
LOCK_FILE="$APP_DIR/sidekiq-lock"
PIDDIR="$APP_DIR/tmp/pids"
PID_FILE="$PIDDIR/sidekiq.pid"
APP_ENV="production"
RAILS_ENV="production"

#### !IMPORTANT PIDFILE an LOGFILE should be defined in RAISL_ROOT/config/sidekiq.yml
### so not sure -P and -L are necessary here :
START_CMD="/usr/local/bin/bundle exec $SIDEKIQ -d -e $APP_ENV -P $PID_FILE -L $LOG_FILE -C $APP_CONFIG"
RETVAL=0

start() {
  status

  if [ $? -eq 1 ]; then
    [ `id -u` -eq 0 ] || (echo "Sidekiq runs as root only!"; exit 5)
    [ -d $APP_DIR ] || (echo "$APP_DIR not found!"; exit 6)
    cd $APP_DIR
    echo "Starting sidekiq..."
    $START_CMD >> $LOG_FILE 2>&1
    RETVAL=$?
    #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 is already running."
  fi


}

stop() {

    echo "Stopping sidekiq..."
    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]* $APP" | grep -v grep
  return $?
}


case "$1" in
    start)
        start
        ;;
    stop)
        stop
        ;;
    status)
        status

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