Method: Sidekiq::CLI#run

Defined in:
lib/sidekiq/cli.rb

#run ⇒ Object

Code within this method is not tested because it alters global process state irreversibly. PRs which improve the test coverage of Sidekiq::CLI are welcomed.



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# File 'lib/sidekiq/cli.rb', line 49

def run
  boot_system
  print_banner

  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

  logger.info "Running in #{RUBY_DESCRIPTION}"
  logger.info Sidekiq::LICENSE
  logger.info "Upgrade to Sidekiq Pro for more features and support: http://sidekiq.org" unless defined?(::Sidekiq::Pro)

  # touch the connection pool so it is created before we
  # fire startup and start multithreading.
  ver = Sidekiq.redis_info['redis_version']
  raise "You are using Redis v#{ver}, Sidekiq requires Redis v2.8.0 or greater" if ver < '2.8'

  # Before this point, the process is initializing with just the main thread.
  # Starting here the process will now have multiple threads running.
  fire_event(:startup)

  logger.debug { "Client Middleware: #{Sidekiq.client_middleware.map(&:klass).join(', ')}" }
  logger.debug { "Server Middleware: #{Sidekiq.server_middleware.map(&:klass).join(', ')}" }

  if !options[:daemon]
    logger.info 'Starting processing, hit Ctrl-C to stop'
  end

  require 'sidekiq/launcher'
  @launcher = Sidekiq::Launcher.new(options)

  begin
    launcher.run

    while readable_io = IO.select([self_read])
      signal = readable_io.first[0].gets.strip
      handle_signal(signal)
    end
  rescue Interrupt
    logger.info 'Shutting down'
    launcher.stop
    # Explicitly exit so busy Processor threads can't block
    # process shutdown.
    logger.info "Bye!"
    exit(0)
  end
end