gistfile1.rb

until jobs.empty? do
  job = jobs.shift
  if job.reload['state'] == 'running'
    begin
      job.parent.deployments.submit({
        :nodes => job['assigned_nodes'],
        :environment => 'lenny-x64-nfs_rc@granquet'
      )
    rescue Restfully::HTTP::ServerError => e
      puts e.message
      puts "Putting the job back on the queue to retry later"
      jobs.push(job)
    end
  else
    puts "Job not running. Putting back on the queue"
    jobs.push(job)
    sleep 2
  end
end