gistfile1.rb

#bash script to start workers
# Load RVM into a shell session *as a function*
if [[ -s "$HOME/.rvm/scripts/rvm" ]] ; then
  # First try to load from a user install
  source "$HOME/.rvm/scripts/rvm"
elif [[ -s "/usr/local/rvm/scripts/rvm" ]] ; then
  # Then try to load from a root install
  source "/usr/local/rvm/scripts/rvm"
else
  printf "ERROR: An RVM installation was not found.\n"
fi

# Use rvm to switch to the default ruby. 
rvm use default

# Now launch the app
cd /srv/my_app
nohup bundle exec rake RAILS_ENV=qa  resque:workers QUEUE='*' COUNT='1' PIDFILE=/tmp/worker_one.pid &
nohup bundle exec rake RAILS_ENV=qa  resque:workers QUEUE='*' COUNT='1' PIDFILE=/tmp/worker_two.pid &
nohup bundle exec rake RAILS_ENV=qa  resque:workers QUEUE='*' COUNT='1' PIDFILE=/tmp/worker_three.pid &

#put in a bash script to execute the following rake task in /etc/init.d and create a symlink to it in /etc/rc0.d
#rake task 
namespace :resq do
  def worker_killer(pid_files)
    puts Resque.workers.count
    busy_processes = []
    pid_files.each do |p|
      id = File.read(p).to_i
      Resque.workers.each do |w|
        if w.id.ends_with? "#{id}:*"
          if w.working?
            busy_processes << p
            puts busy_processes
          else
            w.unregister_worker
            Process.kill(15, id)
          end
        end
      end
    end
    if busy_processes.count > 0
      sleep 10
      worker_killer(busy_processes)
    end
  end
  desc "kill servers resque workers"
  task :kill_workers => :environment do
    worker_killer(["/tmp/worker_one.pid", "/tmp/worker_two.pid", "/tmp/worker_three.pid"])
  end
end