Run the desired command, ping Deadman's Snitch when completed, report to Sentry on exception.

monitored_job.rb

module MonitoredJob
  def self.run(command, ping_url)
    eval(command)
    self.ping_twice(ping_url)
    return "SUCCESS"
  rescue => e
    Raven.capture_exception(e)
    return "'#{command}' could not run: #{e.message}\n#{e.backtrace}"
  end

  def self.ping_twice(ping_url)
    uri = URI.parse(ping_url)
    http = Net::HTTP.new(uri.host,uri.port)
    if uri.scheme == "https"
      http.use_ssl = true
      http.verify_mode = OpenSSL::SSL::VERIFY_NONE
    end
    begin
      self.ping_with_timeout(http, uri.request_uri)
    rescue Timeout::Error, EOFError
      self.ping_with_timeout(http, uri.request_uri)
    end
  end

  def self.ping_with_timeout(http, request_uri)
    Timeout::timeout(WEB_SERVICE_TIMEOUT) do
      http.get(request_uri)
    end
  end
end