bin/rainbows

   1 #!/this/will/be/overwritten/or/wrapped/anyways/do/not/worry/ruby
   2 # -*- encoding: binary -*-
   3 require 'unicorn/launcher'
   4 require 'rainbows'
   5 require 'optparse'
   6
   7 ENV["RACK_ENV"] ||= "development"
   8 daemonize = false
   9 listeners = []
  10 options = { :listeners => listeners }
  11 host, port = Unicorn::Const::DEFAULT_HOST, Unicorn::Const::DEFAULT_PORT
  12 set_listener = false
  13
  14 opts = OptionParser.new("", 24, '  ') do |opts|
  15   opts.banner = "Usage: #{File.basename($0)} " \
  16                 "[ruby options] [unicorn options] [rackup config file]"
  17
  18   opts.separator "Ruby options:"
  19
  20   lineno = 1
  21   opts.on("-e", "--eval LINE", "evaluate a LINE of code") do |line|
  22     eval line, TOPLEVEL_BINDING, "-e", lineno
  23     lineno += 1
  24   end
  25
  26   opts.on("-d", "--debug", "set debugging flags (set $DEBUG to true)") do
  27     $DEBUG = true
  28   end
  29
  30   opts.on("-w", "--warn", "turn warnings on for your script") do
  31     $-w = true
  32   end
  33
  34   opts.on("-I", "--include PATH",
  35           "specify $LOAD_PATH (may be used more than once)") do |path|
  36     $LOAD_PATH.unshift(*path.split(/:/))
  37   end
  38
  39   opts.on("-r", "--require LIBRARY",
  40           "require the library, before executing your script") do |library|
  41     require library
  42   end
  43
  44   opts.separator "Rainbows!/Unicorn options:"
  45
  46   # some of these switches exist for rackup command-line compatibility,
  47
  48   opts.on("-o", "--host HOST",
  49           "listen on HOST (default: #{Unicorn::Const::DEFAULT_HOST})") do |h|
  50     host = h
  51     set_listener = true
  52   end
  53
  54   opts.on("-p", "--port PORT",
  55           "use PORT (default: #{Unicorn::Const::DEFAULT_PORT})") do |p|
  56     port = p.to_i
  57     set_listener = true
  58   end
  59
  60   opts.on("-E", "--env RACK_ENV",
  61           "use RACK_ENV for defaults (default: development)") do |e|
  62     ENV["RACK_ENV"] = e
  63   end
  64
  65   opts.on("-D", "--daemonize", "run daemonized in the background") do |d|
  66     daemonize = d ? true : false
  67   end
  68
  69   opts.on("-P", "--pid FILE", "DEPRECATED") do |f|
  70     warn "Use of --pid/-P is strongly discouraged"
  71     warn "Use the 'pid' directive in the Rainbows!/Unicorn config file instead"
  72     options[:pid] = f
  73   end
  74
  75   opts.on("-s", "--server SERVER",
  76           "this flag only exists for compatibility") do |s|
  77     warn "-s/--server only exists for compatibility with rackup"
  78   end
  79
  80   # Rainbows!/Unicorn-specific stuff
  81   opts.on("-l", "--listen {HOST:PORT|PATH}",
  82           "listen on HOST:PORT or PATH",
  83           "this may be specified multiple times",
  84           "(default: #{Unicorn::Const::DEFAULT_LISTEN})") do |address|
  85     listeners << address
  86   end
  87
  88   opts.on("-c", "--config-file FILE",
  89           "Rainbows!/Unicorn-specific config file") do |f|
  90     options[:config_file] = f
  91   end
  92
  93   # I'm avoiding Unicorn-specific config options on the command-line.
  94   # IMNSHO, config options on the command-line are redundant given
  95   # config files and make things unnecessarily complicated with multiple
  96   # places to look for a config option.
  97
  98   opts.separator "Common options:"
  99
 100   opts.on_tail("-h", "--help", "Show this message") do
 101     puts opts.to_s.gsub(/^.*DEPRECATED.*$/s, '')
 102     exit
 103   end
 104
 105   opts.on_tail("-v", "--version", "Show version") do
 106     puts "Rainbows! v#{Rainbows::Const::RAINBOWS_VERSION}"
 107     exit
 108   end
 109
 110   opts.parse! ARGV
 111 end
 112
 113 app = Unicorn.builder(ARGV[0] || 'config.ru', opts)
 114 listeners << "#{host}:#{port}" if set_listener
 115
 116 if $DEBUG
 117   require 'pp'
 118   pp({
 119     :unicorn_options => options,
 120     :app => app,
 121     :daemonize => daemonize,
 122   })
 123 end
 124
 125 Unicorn::Launcher.daemonize!(options) if daemonize
 126 Rainbows.run(app, options)