gistfile1.rb

app_root = ENV['DRUPALRESQUE_DIR'] || '/mnt/apci/drupal-resque'
num_workers = ENV['NUM_WORKERS'] || 2
queues = [
    'PostMaster_General',
    'PostMaster_Group',
    'PostMaster_User',
    'PostMaster_Send',
    'PostMaster_Mail',
    'PostMaster_PMessage',
    'PostMaster_PMIndex',
    'PostMaster_Text',
    'PostMaster_GroupsSubscriptions',
    'postmaster_general_queue'
]
queues_string = queues.join(',')

num_workers.times do |num|
  God.watch do |w|
    w.dir      = "#{app_root}"
    w.name     = "drupal-#{num}"
    w.group    = 'drupal'
    w.interval = 30.seconds
    w.env      = {'QUEUE' => "#{queues_string}", 'APP_INCLUDE' => 'vendor/autoload.php'}
    w.start    = 'php bin/drupalresque'

    # restart if memory gets too high
    w.transition(:up, :restart) do |on|
      on.condition(:memory_usage) do |c|
        c.above = 350.megabytes
        c.times = 2
      end
    end

    # determine the state on startup
    w.transition(:init, { true => :up, false => :start }) do |on|
      on.condition(:process_running) do |c|
        c.running = true
      end
    end

    # determine when process has finished starting
    w.transition([:start, :restart], :up) do |on|
      on.condition(:process_running) do |c|
        c.running = true
        c.interval = 5.seconds
      end

      # failsafe
      on.condition(:tries) do |c|
        c.times = 5
        c.transition = :start
        c.interval = 5.seconds
      end
    end

    # start if process is not running
    w.transition(:up, :start) do |on|
      on.condition(:process_running) do |c|
        c.running = false
      end
    end
  end
end