bin/unicorn

   1 #!/this/will/be/overwritten/or/wrapped/anyways/do/not/worry/ruby
   2 # -*- encoding: binary -*-
   3 require 'unicorn/launcher'
   4 require 'optparse'
   5
   6 ENV["RACK_ENV"] ||= "development"
   7 daemonize = false
   8 options = { :listeners => [] }
   9 host, port = Unicorn::Const::DEFAULT_HOST, Unicorn::Const::DEFAULT_PORT
  10 set_listener = false
  11
  12 opts = OptionParser.new("", 24, '  ') do |opts|
  13   opts.banner = "Usage: #{File.basename($0)} " \
  14                 "[ruby options] [unicorn options] [rackup config file]"
  15
  16   opts.separator "Ruby options:"
  17
  18   lineno = 1
  19   opts.on("-e", "--eval LINE", "evaluate a LINE of code") do |line|
  20     eval line, TOPLEVEL_BINDING, "-e", lineno
  21     lineno += 1
  22   end
  23
  24   opts.on("-d", "--debug", "set debugging flags (set $DEBUG to true)") do
  25     $DEBUG = true
  26   end
  27
  28   opts.on("-w", "--warn", "turn warnings on for your script") do
  29     $-w = true
  30   end
  31
  32   opts.on("-I", "--include PATH",
  33           "specify $LOAD_PATH (may be used more than once)") do |path|
  34     $LOAD_PATH.unshift(*path.split(/:/))
  35   end
  36
  37   opts.on("-r", "--require LIBRARY",
  38           "require the library, before executing your script") do |library|
  39     require library
  40   end
  41
  42   opts.separator "Unicorn options:"
  43
  44   # some of these switches exist for rackup command-line compatibility,
  45
  46   opts.on("-o", "--host HOST",
  47           "listen on HOST (default: #{Unicorn::Const::DEFAULT_HOST})") do |h|
  48     host = h
  49     set_listener = true
  50   end
  51
  52   opts.on("-p", "--port PORT",
  53           "use PORT (default: #{Unicorn::Const::DEFAULT_PORT})") do |p|
  54     port = p.to_i
  55     set_listener = true
  56   end
  57
  58   opts.on("-E", "--env ENVIRONMENT",
  59           "use ENVIRONMENT for defaults (default: development)") do |e|
  60     ENV["RACK_ENV"] = e
  61   end
  62
  63   opts.on("-D", "--daemonize", "run daemonized in the background") do |d|
  64     daemonize = d ? true : false
  65   end
  66
  67   opts.on("-P", "--pid FILE", "DEPRECATED") do |f|
  68     warn %q{Use of --pid/-P is strongly discouraged}
  69     warn %q{Use the 'pid' directive in the Unicorn config file instead}
  70     options[:pid] = f
  71   end
  72
  73   opts.on("-s", "--server SERVER",
  74           "this flag only exists for compatibility") do |s|
  75     warn "-s/--server only exists for compatibility with rackup"
  76   end
  77
  78   # Unicorn-specific stuff
  79   opts.on("-l", "--listen {HOST:PORT|PATH}",
  80           "listen on HOST:PORT or PATH",
  81           "this may be specified multiple times",
  82           "(default: #{Unicorn::Const::DEFAULT_LISTEN})") do |address|
  83     options[:listeners] << address
  84   end
  85
  86   opts.on("-c", "--config-file FILE", "Unicorn-specific config file") do |f|
  87     options[:config_file] = f
  88   end
  89
  90   # I'm avoiding Unicorn-specific config options on the command-line.
  91   # IMNSHO, config options on the command-line are redundant given
  92   # config files and make things unnecessarily complicated with multiple
  93   # places to look for a config option.
  94
  95   opts.separator "Common options:"
  96
  97   opts.on_tail("-h", "--help", "Show this message") do
  98     puts opts.to_s.gsub(/^.*DEPRECATED.*$/s, '')
  99     exit
 100   end
 101
 102   opts.on_tail("-v", "--version", "Show version") do
 103     puts "unicorn v#{Unicorn::Const::UNICORN_VERSION}"
 104     exit
 105   end
 106
 107   opts.parse! ARGV
 108 end
 109
 110 app = Unicorn.builder(ARGV[0] || 'config.ru', opts)
 111 options[:listeners] << "#{host}:#{port}" if set_listener
 112
 113 if $DEBUG
 114   require 'pp'
 115   pp({
 116     :unicorn_options => options,
 117     :app => app,
 118     :daemonize => daemonize,
 119   })
 120 end
 121
 122 Unicorn::Launcher.daemonize!(options) if daemonize
 123 Unicorn.run(app, options)