Class: Shoryuken::CLI

Inherits:
Object
  • Object
show all
Includes:
Util, Singleton
Defined in:
lib/shoryuken/cli.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Util

#elapsed, #fire_event, #logger, #unparse_queues, #watchdog, #worker_name

Instance Attribute Details

#launcher ⇒ Object

Returns the value of attribute launcher.



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# File 'lib/shoryuken/cli.rb', line 17

def launcher
  @launcher
end

Instance Method Details

#run(args) ⇒ Object 



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# File 'lib/shoryuken/cli.rb', line 19

def run(args)
  self_read, self_write = IO.pipe

  %w(INT TERM USR1 USR2 TTIN).each do |sig|
    begin
      trap sig do
        self_write.puts(sig)
      end
    rescue ArgumentError
      puts "Signal #{sig} not supported"
    end
  end

  options = parse_cli_args(args)

  loader = EnvironmentLoader.setup_options(options)

  # When cli args exist, override options in config file
  Shoryuken.options.merge!(options)

  daemonize(Shoryuken.options)
  write_pid(Shoryuken.options)

  loader.load

  load_celluloid

  require 'shoryuken/launcher'
  @launcher = Shoryuken::Launcher.new

  if callback = Shoryuken.start_callback
    logger.info { 'Calling Shoryuken.on_start block' }
    callback.call
  end

  fire_event(:startup)

  begin
    launcher.run

    while (readable_io = IO.select([self_read]))
      signal = readable_io.first[0].gets.strip
      handle_signal(signal)
    end
  rescue Interrupt
    launcher.stop(shutdown: true)
    exit 0
  end
end