apps = {
  :rtrac  => {
   :path   => "/var/www/apps/rtrac/current/",
   :rackup => "--rackup /var/www/apps/rtrac/current/config/thin_proctitle.ru",
     :ports  => %w{4001 4002 4003 4004 4005 4006 4007 4008},
     :uid    => 'deployer',
     :gid    => 'deployer',
     :server => 'thin',
     :env    => 'production'
     #:env    => 'development'
  },
}

apps.each do |name, app|
  app[:ports].each do |port|
    God.watch do |w|
      w.group = name.to_s
      w.uid = app[:uid]
      w.gid = app[:gid]
      w.name  = "#{name}-#{app[:server]}-#{port}"
      w.interval = 30.seconds # default
      w.start    = "#{app[:server]} start #{app[:rackup]} -e #{app[:env]} -c #{app[:path]} -p #{port} -P \
                    #{app[:path]}/log/#{app[:server]}.#{port}.pid -d"
      w.stop     = "#{app[:server]} stop -P #{app[:path]}/log/#{app[:server]}.#{port}.pid"
      w.restart  = "#{app[:server]} restart -P #{app[:path]}/log/#{app[:server]}.#{port}.pid"
      w.start_grace   = 10.seconds
      w.restart_grace = 10.seconds
      w.pid_file = File.join("#{app[:path]}", "log/#{app[:server]}.#{port}.pid")

      w.behavior(:clean_pid_file)

      w.start_if do |start|
        start.condition(:process_running) do |c|
          c.interval = 5.seconds
          c.running = false
        end
      end

      w.restart_if do |restart|
        restart.condition(:memory_usage) do |c|
          c.above = 800.megabytes
          c.times = [3, 5] # 3 out of 5 intervals
        end

        restart.condition(:cpu_usage) do |c|
          c.above = 50.percent
          c.times = 5
        end
      end

      # lifecycle
      w.lifecycle do |on|
        on.condition(:flapping) do |c|
          c.to_state = [:start, :restart]
          c.times = 5
          c.within = 5.minute
          c.transition = :unmonitored
          c.retry_in = 10.minutes
          c.retry_times = 5
          c.retry_within = 2.hours
        end
      end
    end
  end
end