resque.pill

Bluepill.define_process_condition(:running_time) do
  def initialize(options = {})
    @below = options[:below]
  end

  def run(pid)
    started = `ps -p #{pid} -o command`.match(/since (\d+)/)[1].to_i
    Time.now - Time.at(started)
  rescue
    0
  end

  def check(value)
    value.seconds < @below
  end
end

Bluepill.application('MyApp') do |app|
  app.working_dir = "/var/rails"

  app.process("resque-worker") do |p|
    p.start_command = "/usr/bin/rake RAILS_ENV=staging QUEUES=critical,high,low resque:work"
    p.stop_command = "kill {{PID}}"
    p.daemonize = true
    p.pid_file = "/var/rails/tmp/pids/resque.pid"

    p.start_grace_time = 10.seconds
    p.stop_grace_time = 5.seconds
    p.restart_grace_time = 15.seconds

    p.monitor_children do |c|
      c.stop_command = "kill -USR1 {{PID}}"
      c.checks :mem_usage, :every => 30.seconds, :below => 80.megabytes, :fires => :stop
      c.checks :running_time, :every => 30.seconds, :below => 10.minutes, :fires => :stop
    end
  end
end