Class: Rack::Cluster::Command

Inherits:
Object
  • Object
show all
Defined in:
lib/rack/cluster/command.rb

Instance Method Summary collapse

Instance Method Details

#parse_options ⇒ Object 



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# File 'lib/rack/cluster/command.rb', line 10

def parse_options
  @options = {}
  
  OptionParser.new do |opts|
    opts.banner = "Usage: #{$0} [options] command"

    opts.on('-C', '--config PATH') do |config|
      @options[:config_file] = config
    end

    opts.on("-p", "--port PORT", "use PORT") do |p|
      @options[:port] = p
    end

    opts.on('-E', '--env ENVIRONMENT', 'use ENVIRONMENT for defaults') do |e|
      @options[:environment] = e
    end

    opts.on('-N', '--num-servers INT') do |n|
      @options[:servers] = n
    end

    opts.on('-s', '--server SERVER', 'serve using SERVER (webrick/mongrel)') do |s|
      @options[:server] = s
    end

    opts.on('-P', '--pid FILE', 'file to store PID') do |p|
      @options[:pid_file] = p
    end

    opts.on('-c', '--chdir PATH') do |c|
      @options[:cwd] = c
    end

    opts.on('-u', '--config-ru PATH') do |config_ru|
      @options[:config_ru] = config_ru
    end

    opts.on('-b', '--rackup-bin PATH') do |rackup|
      @options[:rackup] = rackup
    end

    opts.on('-v', '--verbose') do |verbose|
      @options[:verbose] = verbose
    end

    opts.on_tail('-h', '--help', 'Show this message') do
      puts opts
      exit
    end

    opts.on_tail('--version', 'Show version') do
      puts Rack::Cluster::VERSION
      exit
    end

    opts.parse! ARGV
  end

  @command = ARGV.shift
end

#run ⇒ Object 



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# File 'lib/rack/cluster/command.rb', line 72

def run
  runner_commands = ['start', 'stop', 'restart']

  if @options[:config_file]
    options_from_config_file = YAML.load_file(@options[:config_file])
    symbolized_options = Hash[options_from_config_file.map { |k, v| [k.to_sym, v] }]
    @options = symbolized_options.merge(@options)
  end

  if runner_commands.include?(@command)
    Rack::Cluster::Runner.send("#{@command}!", @options)
  end
end