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 rackup_opts = Unicorn::Configurator::RACKUP
   8 options = rackup_opts[:options]
   9
  10 opts = OptionParser.new("", 24, '  ') do |opts|
  11   cmd = File.basename($0)
  12   opts.banner = "Usage: #{cmd} " \
  13                 "[ruby options] [#{cmd} options] [rackup config file]"
  14   opts.separator "Ruby options:"
  15
  16   lineno = 1
  17   opts.on("-e", "--eval LINE", "evaluate a LINE of code") do |line|
  18     eval line, TOPLEVEL_BINDING, "-e", lineno
  19     lineno += 1
  20   end
  21
  22   opts.on("-d", "--debug", "set debugging flags (set $DEBUG to true)") do
  23     $DEBUG = true
  24   end
  25
  26   opts.on("-w", "--warn", "turn warnings on for your script") do
  27     $-w = true
  28   end
  29
  30   opts.on("-I", "--include PATH",
  31           "specify $LOAD_PATH (may be used more than once)") do |path|
  32     $LOAD_PATH.unshift(*path.split(/:/))
  33   end
  34
  35   opts.on("-r", "--require LIBRARY",
  36           "require the library, before executing your script") do |library|
  37     require library
  38   end
  39
  40   opts.separator "#{cmd} options:"
  41
  42   # some of these switches exist for rackup command-line compatibility,
  43
  44   opts.on("-o", "--host HOST",
  45           "listen on HOST (default: #{Unicorn::Const::DEFAULT_HOST})") do |h|
  46     rackup_opts[:host] = h
  47     rackup_opts[:set_listener] = true
  48   end
  49
  50   opts.on("-p", "--port PORT",
  51           "use PORT (default: #{Unicorn::Const::DEFAULT_PORT})") do |p|
  52     rackup_opts[:port] = p.to_i
  53     rackup_opts[:set_listener] = true
  54   end
  55
  56   opts.on("-E", "--env RACK_ENV",
  57           "use RACK_ENV for defaults (default: development)") do |e|
  58     ENV["RACK_ENV"] = e
  59   end
  60
  61   opts.on("-D", "--daemonize", "run daemonized in the background") do |d|
  62     rackup_opts[:daemonize] = !!d
  63   end
  64
  65   opts.on("-P", "--pid FILE", "DEPRECATED") do |f|
  66     warn %q{Use of --pid/-P is strongly discouraged}
  67     warn %q{Use the 'pid' directive in the Unicorn config file instead}
  68     options[:pid] = f
  69   end
  70
  71   opts.on("-s", "--server SERVER",
  72           "this flag only exists for compatibility") do |s|
  73     warn "-s/--server only exists for compatibility with rackup"
  74   end
  75
  76   # Unicorn-specific stuff
  77   opts.on("-l", "--listen {HOST:PORT|PATH}",
  78           "listen on HOST:PORT or PATH",
  79           "this may be specified multiple times",
  80           "(default: #{Unicorn::Const::DEFAULT_LISTEN})") do |address|
  81     options[:listeners] << address
  82   end
  83
  84   opts.on("-c", "--config-file FILE", "Unicorn-specific config file") do |f|
  85     options[:config_file] = f
  86   end
  87
  88   # I'm avoiding Unicorn-specific config options on the command-line.
  89   # IMNSHO, config options on the command-line are redundant given
  90   # config files and make things unnecessarily complicated with multiple
  91   # places to look for a config option.
  92
  93   opts.separator "Common options:"
  94
  95   opts.on_tail("-h", "--help", "Show this message") do
  96     puts opts.to_s.gsub(/^.*DEPRECATED.*$/s, '')
  97     exit
  98   end
  99
 100   opts.on_tail("-v", "--version", "Show version") do
 101     puts "#{cmd} v#{Unicorn::Const::UNICORN_VERSION}"
 102     exit
 103   end
 104
 105   opts.parse! ARGV
 106 end
 107
 108 app = Unicorn.builder(ARGV[0] || 'config.ru', opts)
 109
 110 if $DEBUG
 111   require 'pp'
 112   pp({
 113     :unicorn_options => options,
 114     :app => app,
 115     :daemonize => rackup_opts[:daemonize],
 116   })
 117 end
 118
 119 Unicorn::Launcher.daemonize!(options) if rackup_opts[:daemonize]
 120 Unicorn.run(app, options)