dj_shell.erb

#!/usr/bin/env bash

APP_DIR=<%= current_path %>
CURRENT_DIR="cd $APP_DIR"
STAGE=<%= fetch(:stage) %>
DJ_PID="$APP_DIR/tmp/pids/delayed_job.pid"

check_pid(){
  if [ -f $DJ_PID ]; then
    PID=`cat $DJ_PID`
    STATUS=`ps aux | grep $PID | grep -v grep | wc -l`
  else
    STATUS=0
    PID=0
  fi
}

status() {
  check_pid
  if [ "$PID" -ne 0 -a "$STATUS" -ne 0 ]; then
    echo "Delayed job with PID $PID is running."
  else
    echo "Delayed job is not running."
  fi
}

case "$1" in
  start)
    echo -n "Starting delayed_job:"
    bash -l -c "$CURRENT_DIR; RAILS_ENV=$STAGE bin/delayed_job start" >> $APP_DIR/log/delayed_job.log 2>&1
    echo "Delayed job is running!"
    ;;
  stop)
    echo -n "Stopping delayed_job: "
    bash -l -c "$CURRENT_DIR; RAILS_ENV=$STAGE bin/delayed_job stop" >> $APP_DIR/log/delayed_job.log 2>&1
    echo "Delayed job process is terminated!"
    ;;
  status)
    status
    ;;
  *)
    echo "Usage: $APP_DIR/config/delayed_job {start|stop}" >&2
    exit 1
  ;;
esac

exit 0