bin/unicorn

   1 #!/this/will/be/overwritten/or/wrapped/anyways/do/not/worry/ruby
   2 # -*- encoding: binary -*-
   3 # frozen_string_literal: false
   4 require 'unicorn/launcher'
   5 require 'optparse'
   6
   7 ENV["RACK_ENV"] ||= "development"
   8 rackup_opts = Unicorn::Configurator::RACKUP
   9 options = rackup_opts[:options]
  10 set_no_default_middleware = true
  11
  12 op = OptionParser.new("", 24, '  ') do |opts|
  13   cmd = File.basename($0)
  14   opts.banner = "Usage: #{cmd} " \
  15                 "[ruby options] [#{cmd} options] [rackup config file]"
  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 "#{cmd} 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     rackup_opts[:host] = h
  49     rackup_opts[:set_listener] = true
  50   end
  51
  52   opts.on("-p", "--port PORT", Integer,
  53           "use PORT (default: #{Unicorn::Const::DEFAULT_PORT})") do |port|
  54     rackup_opts[:port] = port
  55     rackup_opts[:set_listener] = true
  56   end
  57
  58   opts.on("-E", "--env RACK_ENV",
  59           "use RACK_ENV for defaults (default: development)") do |e|
  60     ENV["RACK_ENV"] = e
  61   end
  62
  63   opts.on("-N", "--no-default-middleware",
  64           "do not load middleware implied by RACK_ENV") do |e|
  65     rackup_opts[:no_default_middleware] = true if set_no_default_middleware
  66   end
  67
  68   opts.on("-D", "--daemonize", "run daemonized in the background") do |d|
  69     rackup_opts[:daemonize] = !!d
  70   end
  71
  72   opts.on("-P", "--pid FILE", "DEPRECATED") do |f|
  73     warn %q{Use of --pid/-P is strongly discouraged}
  74     warn %q{Use the 'pid' directive in the Unicorn config file instead}
  75     options[:pid] = f
  76   end
  77
  78   opts.on("-s", "--server SERVER",
  79           "this flag only exists for compatibility") do |s|
  80     warn "-s/--server only exists for compatibility with rackup"
  81   end
  82
  83   # Unicorn-specific stuff
  84   opts.on("-l", "--listen {HOST:PORT|PATH}",
  85           "listen on HOST:PORT or PATH",
  86           "this may be specified multiple times",
  87           "(default: #{Unicorn::Const::DEFAULT_LISTEN})") do |address|
  88     options[:listeners] << address
  89   end
  90
  91   opts.on("-c", "--config-file FILE", "Unicorn-specific config file") do |f|
  92     options[:config_file] = f
  93   end
  94
  95   # I'm avoiding Unicorn-specific config options on the command-line.
  96   # IMNSHO, config options on the command-line are redundant given
  97   # config files and make things unnecessarily complicated with multiple
  98   # places to look for a config option.
  99
 100   opts.separator "Common options:"
 101
 102   opts.on_tail("-h", "--help", "Show this message") do
 103     puts opts.to_s.gsub(/^.*DEPRECATED.*$/s, '')
 104     exit
 105   end
 106
 107   opts.on_tail("-v", "--version", "Show version") do
 108     puts "#{cmd} v#{Unicorn::Const::UNICORN_VERSION}"
 109     exit
 110   end
 111
 112   opts.parse! ARGV
 113 end
 114
 115 set_no_default_middleware = false
 116 app = Unicorn.builder(ARGV[0] || 'config.ru', op)
 117 op = nil
 118
 119 if $DEBUG
 120   require 'pp'
 121   pp({
 122     :unicorn_options => options,
 123     :app => app,
 124     :daemonize => rackup_opts[:daemonize],
 125   })
 126 end
 127
 128 Unicorn::Launcher.daemonize!(options) if rackup_opts[:daemonize]
 129 Unicorn::HttpServer.new(app, options).start.join