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| | #!/home/ew/bin/ruby
require 'unicorn/launcher'
require 'optparse'
env = "development"
daemonize = false
listeners = []
options = { :listeners => listeners }
host = Unicorn::Const::DEFAULT_HOST
port = Unicorn::Const::DEFAULT_PORT
opts = OptionParser.new("", 24, ' ') do |opts|
opts.banner = "Usage: #{File.basename($0)} " \
"[ruby options] [unicorn options] [rackup config file]"
opts.separator "Ruby options:"
lineno = 1
opts.on("-e", "--eval LINE", "evaluate a LINE of code") do |line|
eval line, TOPLEVEL_BINDING, "-e", lineno
lineno += 1
end
opts.on("-d", "--debug", "set debugging flags (set $DEBUG to true)") do
$DEBUG = true
end
opts.on("-w", "--warn", "turn warnings on for your script") do
$-w = true
end
opts.on("-I", "--include PATH",
"specify $LOAD_PATH (may be used more than once)") do |path|
$LOAD_PATH.unshift(*path.split(/:/))
end
opts.on("-r", "--require LIBRARY",
"require the library, before executing your script") do |library|
require library
end
opts.separator "Unicorn options:"
# some of these switches exist for rackup command-line compatibility,
opts.on("-o", "--host HOST",
"listen on HOST (default: #{Unicorn::Const::DEFAULT_HOST})") do |h|
host = h
end
opts.on("-p", "--port PORT",
"use PORT (default: #{Unicorn::Const::DEFAULT_PORT})") do |p|
port = p.to_i
end
opts.on("-E", "--env ENVIRONMENT",
"use ENVIRONMENT for defaults (default: development)") do |e|
env = e
end
opts.on("-D", "--daemonize", "run daemonized in the background") do |d|
daemonize = d ? true : false
end
opts.on("-P", "--pid FILE", "file to store PID (default: none)") do |f|
options[:pid] = File.expand_path(f)
end
opts.on("-s", "--server SERVER",
"this flag only exists for compatibility") do |s|
warn "-s/--server only exists for compatibility with rackup"
end
# Unicorn-specific stuff
opts.on("-l", "--listen {HOST:PORT|PATH}",
"listen on HOST:PORT or PATH",
"this may be specified multiple times",
"(default: #{Unicorn::Const::DEFAULT_LISTEN})") do |address|
listeners << address
end
opts.on("-c", "--config-file FILE", "Unicorn-specific config file") do |f|
options[:config_file] = File.expand_path(f)
end
# I'm avoiding Unicorn-specific config options on the command-line.
# IMNSHO, config options on the command-line are redundant given
# config files and make things unnecessarily complicated with multiple
# places to look for a config option.
opts.separator "Common options:"
opts.on_tail("-h", "--help", "Show this message") do
puts opts
exit
end
opts.on_tail("-v", "--version", "Show version") do
puts "unicorn v#{Unicorn::Const::UNICORN_VERSION}"
exit
end
opts.parse! ARGV
end
require 'pp' if $DEBUG
# require Rack as late as possible in case $LOAD_PATH is modified
# in config.ru or command-line
require 'rack'
config = ARGV[0] || "config.ru"
abort "configuration file #{config} not found" unless File.exist?(config)
inner_app = case config
when /\.ru$/
raw = File.open(config, "rb") { |fp| fp.sysread(fp.stat.size) }
# parse embedded command-line options in config.ru comments
if raw[/^#\\(.*)/]
opts.parse! $1.split(/\s+/)
end
lambda { || eval("Rack::Builder.new {(#{raw}\n)}.to_app", nil, config) }
else
lambda do ||
require config
Object.const_get(File.basename(config, '.rb').capitalize)
end
end
app = case env
when "development"
lambda do ||
Rack::Builder.new do
use Rack::CommonLogger, $stderr
use Rack::ShowExceptions
use Rack::Lint
run inner_app.call
end.to_app
end
when "deployment"
lambda do ||
Rack::Builder.new do
use Rack::CommonLogger, $stderr
run inner_app.call
end.to_app
end
else
inner_app
end
if listeners.empty?
listener = "#{host}:#{port}"
listeners << listener
end
if $DEBUG
pp({
:unicorn_options => options,
:app => app,
:inner_app => inner_app,
:daemonize => daemonize,
})
end
Unicorn::Launcher.daemonize! if daemonize
Unicorn.run(app, options)
|