nulogy/Gorgon

module Gorgon
  module CrashReporter
    OUTPUT_LINES_TO_REPORT = 70

    def report_crash reply_exchange, info
      stdout = `tail -n #{OUTPUT_LINES_TO_REPORT} #{info[:out_file]}`
      stderr = `cat #{info[:err_file]}` + \
        info[:footer_text]

      send_crash_message reply_exchange, stdout, stderr

      "#{stdout}\n#{stderr}"
    end

    def send_crash_message reply_exchange, output, error
      reply = {:type => :crash, :hostname => Socket.gethostname,
               :stdout => output, :stderr => error}
      reply_exchange.publish(Yajl::Encoder.encode(reply))
    end
  end
end