Class: Upperkut::CLI

Inherits:
Object
  • Object
show all
Defined in:
lib/upperkut/cli.rb

Instance Method Summary collapse

Constructor Details

#initialize(args = ARGV) ⇒ CLI

Returns a new instance of CLI.



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# File 'lib/upperkut/cli.rb', line 8

def initialize(args = ARGV)
  @options = {}
  @logger = Upperkut::Logging.logger

  parse_options(args)
end

Instance Method Details

#start ⇒ Object 



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# File 'lib/upperkut/cli.rb', line 15

def start
  if target_required = @options[:require]
    if File.directory?(target_required)
      require 'rails'
      if ::Rails::VERSION::MAJOR == 4
        require File.expand_path("#{@options[:require]}/config/application.rb")
        ::Rails::Application.initializer 'upperkut.eager_load' do
          ::Rails.application.config.eager_load = true
        end

        require File.expand_path("#{@options[:require]}/config/environment.rb")
      else
        require File.expand_path("#{@options[:require]}/config/environment.rb")
      end
    else
      require target_required
    end
  end

  if log_level = @options[:log_level]
    @logger.level = log_level
  end

  @options[:logger] = @logger

  manager = Manager.new(@options)

  @logger.info(@options)

  r, w = IO.pipe
  signals = %w[INT TERM]

  signals.each do |signal|
    trap signal do
      w.puts(signal)
    end
  end

  begin
    manager.run
    while readable_io = IO.select([r])
      signal = readable_io.first[0].gets.strip
      handle_signal(signal)
    end
  rescue Interrupt
    timeout = Integer(ENV['UPPERKUT_TIMEOUT'] || 8)
    @logger.info(
      "Stopping managers, wait for #{timeout} seconds and them kill processors"
    )

    manager.stop
    sleep(timeout)
    manager.kill
    exit(0)
  end
end