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 rackup_opts = Unicorn::Configurator::RACKUP
   9 options = rackup_opts[:options]
  10
  11 op = OptionParser.new("", 24, '  ') do |opts|
  12   cmd = File.basename($0)
  13   opts.banner = "Usage: #{cmd} " \
  14                 "[ruby options] [#{cmd} options] [rackup config file]"
  15   opts.separator "Ruby options:"
  16
  17   lineno = 1
  18   opts.on("-e", "--eval LINE", "evaluate a LINE of code") do |line|
  19     eval line, TOPLEVEL_BINDING, "-e", lineno
  20     lineno += 1
  21   end
  22
  23   opts.on("-d", "--debug", "set debugging flags (set $DEBUG to true)") do
  24     $DEBUG = true
  25   end
  26
  27   opts.on("-w", "--warn", "turn warnings on for your script") do
  28     $-w = true
  29   end
  30
  31   opts.on("-I", "--include PATH",
  32           "specify $LOAD_PATH (may be used more than once)") do |path|
  33     $LOAD_PATH.unshift(*path.split(/:/))
  34   end
  35
  36   opts.on("-r", "--require LIBRARY",
  37           "require the library, before executing your script") do |library|
  38     require library
  39   end
  40
  41   opts.separator "#{cmd} options:"
  42
  43   # some of these switches exist for rackup command-line compatibility,
  44
  45   opts.on("-o", "--host HOST",
  46           "listen on HOST (default: #{Unicorn::Const::DEFAULT_HOST})") do |h|
  47     rackup_opts[:host] = h
  48     rackup_opts[:set_listener] = true
  49   end
  50
  51   opts.on("-p", "--port PORT",
  52           "use PORT (default: #{Unicorn::Const::DEFAULT_PORT})") do |p|
  53     rackup_opts[:port] = p.to_i
  54     rackup_opts[:set_listener] = true
  55   end
  56
  57   opts.on("-E", "--env RACK_ENV",
  58           "use RACK_ENV for defaults (default: development)") do |e|
  59     ENV["RACK_ENV"] = e
  60   end
  61
  62   opts.on("-N", "--no-default-middleware",
  63           "do not load middleware implied by RACK_ENV") do |e|
  64     rackup_opts[:no_default_middleware] = true
  65   end
  66
  67   opts.on("-D", "--daemonize", "run daemonized in the background") do |d|
  68     rackup_opts[:daemonize] = !!d
  69   end
  70
  71   opts.on("-P", "--pid FILE", "DEPRECATED") do |f|
  72     warn "Use of --pid/-P is strongly discouraged"
  73     warn "Use the 'pid' directive in the Rainbows!/Unicorn config file instead"
  74     options[:pid] = f
  75   end
  76
  77   opts.on("-s", "--server SERVER",
  78           "this flag only exists for compatibility") do |s|
  79     warn "-s/--server only exists for compatibility with rackup"
  80   end
  81
  82   # Rainbows!/Unicorn-specific stuff
  83   opts.on("-l", "--listen {HOST:PORT|PATH}",
  84           "listen on HOST:PORT or PATH",
  85           "this may be specified multiple times",
  86           "(default: #{Unicorn::Const::DEFAULT_LISTEN})") do |address|
  87     options[:listeners] << address
  88   end
  89
  90   opts.on("-c", "--config-file FILE", "Rainbows!-specific config file") do |f|
  91     options[:config_file] = f
  92   end
  93
  94   # I'm avoiding Unicorn-specific config options on the command-line.
  95   # IMNSHO, config options on the command-line are redundant given
  96   # config files and make things unnecessarily complicated with multiple
  97   # places to look for a config option.
  98
  99   opts.separator "Common options:"
 100
 101   opts.on_tail("-h", "--help", "Show this message") do
 102     puts opts.to_s.gsub(/^.*DEPRECATED.*$/s, '')
 103     exit
 104   end
 105
 106   opts.on_tail("-v", "--version", "Show version") do
 107     puts "Rainbows! v#{Rainbows::Const::RAINBOWS_VERSION}"
 108     exit
 109   end
 110
 111   opts.parse! ARGV
 112 end
 113
 114 app = Unicorn.builder(ARGV[0] || 'config.ru', op)
 115 op = nil
 116
 117 if $DEBUG
 118   require 'pp'
 119   pp({
 120     :unicorn_options => options,
 121     :app => app,
 122     :daemonize => rackup_opts[:daemonize],
 123   })
 124 end
 125
 126 Unicorn::Launcher.daemonize!(options) if rackup_opts[:daemonize]
 127 Rainbows::HttpServer.new(app, options).start.join