gistfile1.rb

RAILS_ROOT = File.dirname(File.dirname(__FILE__))
RAILS_ENV = ENV['RAILS_ENV'] || 'production'

def daemon_monitoring(w, options = {})
  w.interval = 30.seconds
  w.start = "#{options[:script]} start"
  w.restart = "#{options[:script]} restart"
  w.stop = "#{options[:script]} stop"
  w.grace = 30.seconds

  w.behavior(:clean_pid_file)

  w.start_if do |start|
    start.condition(:process_running) do |c|
      c.interval = 30.seconds
      c.running = false
    end
  end
end

God.watch do |w|
  script = "env RAILS_ENV=#{RAILS_ENV} #{RAILS_ROOT}/script/daemons/scheduler"
  w.name = "scheduler"
  w.group = "example_app"
  w.pid_file = "#{RAILS_ROOT}/log/scheduler_daemon.pid"
  daemon_monitoring(w, :script => script)
end