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author | David Heinemeier Hansson <david@loudthinking.com> | 2006-07-06 17:21:42 +0000 |
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committer | David Heinemeier Hansson <david@loudthinking.com> | 2006-07-06 17:21:42 +0000 |
commit | 117c70b6e73950f8f32ab46cb8ddd1422976c0a9 (patch) | |
tree | 82ea3f90450b1268c257ce647044be56abb6ea0b /railties/lib/commands/process/spawner.rb | |
parent | 63375b9ef2bd9f8bc79c1ad4ea6b374d7cac6260 (diff) | |
download | rails-117c70b6e73950f8f32ab46cb8ddd1422976c0a9.tar.gz rails-117c70b6e73950f8f32ab46cb8ddd1422976c0a9.tar.bz2 rails-117c70b6e73950f8f32ab46cb8ddd1422976c0a9.zip |
Added Mongrel-spawning capabilities to script/process/spawner. Mongrel will be the default choice if installed, otherwise FCGI is tried [DHH]
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@4570 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
Diffstat (limited to 'railties/lib/commands/process/spawner.rb')
-rw-r--r-- | railties/lib/commands/process/spawner.rb | 78 |
1 files changed, 61 insertions, 17 deletions
diff --git a/railties/lib/commands/process/spawner.rb b/railties/lib/commands/process/spawner.rb index b90e67c758..b3b40137b0 100644 --- a/railties/lib/commands/process/spawner.rb +++ b/railties/lib/commands/process/spawner.rb @@ -1,3 +1,4 @@ +require 'active_support' require 'optparse' require 'socket' require 'fileutils' @@ -29,13 +30,13 @@ class Spawner srv.close srv = nil - print "NO\n " - print "Starting FCGI on port: #{port}\n " + puts "NO" + puts "Starting dispatcher on port: #{port}" FileUtils.mkdir_p(OPTIONS[:pids]) spawn(port) rescue - print "YES\n" + puts "YES" end end end @@ -47,11 +48,48 @@ class FcgiSpawner < Spawner end end -# TODO: -# class MongrelSpawner < Spawner -# def self.spawn(port) -# end -# end +class MongrelSpawner < Spawner + def self.spawn(port) + system("mongrel_rails start -d -p #{port} -P #{OPTIONS[:pids]}/#{OPTIONS[:process]}.#{port}.pid -e #{OPTIONS[:environment]}") + end +end + + +begin + require_library_or_gem 'fcgi' +rescue Exception + # FCGI not available +end + +begin + require_library_or_gem 'mongrel' +rescue Exception + # Mongrel not available +end + +server = case ARGV.first + when "fcgi", "mongrel" + ARGV.shift + else + if defined?(Mongrel) + "mongrel" + elsif RUBY_PLATFORM !~ /mswin/ && !silence_stderr { `spawn-fcgi -version` }.blank? && defined?(FCGI) + "fcgi" + end +end + +case server + when "fcgi" + puts "=> Starting FCGI dispatchers" + spawner_class = FcgiSpawner + when "mongrel" + puts "=> Starting mongrel dispatchers" + spawner_class = MongrelSpawner + else + puts "Neither FCGI (spawn-fcgi) nor Mongrel was installed and available!" + exit(0) +end + OPTIONS = { @@ -66,26 +104,32 @@ OPTIONS = { } ARGV.options do |opts| - opts.banner = "Usage: spawner [options]" + opts.banner = "Usage: spawner [platform] [options]" opts.separator "" opts.on <<-EOF Description: - The spawner is a wrapper for spawn-fcgi that makes it easier to start multiple FCGI + The spawner is a wrapper for spawn-fcgi and mongrel that makes it easier to start multiple processes running the Rails dispatcher. The spawn-fcgi command is included with the lighttpd web server, but can be used with both Apache and lighttpd (and any other web server supporting - externally managed FCGI processes). + externally managed FCGI processes). Mongrel automatically ships with with mongrel_rails for starting + dispatchers. + + The first choice you need to make is whether to spawn the Rails dispatchers as FCGI or Mongrel. By default, + this spawner will prefer Mongrel, so if that's installed, and no platform choice is made, Mongrel is used. - You decide a starting port (default is 8000) and the number of FCGI process instances you'd + Then decide a starting port (default is 8000) and the number of FCGI process instances you'd like to run. So if you pick 9100 and 3 instances, you'll start processes on 9100, 9101, and 9102. By setting the repeat option, you get a protection loop, which will attempt to restart any FCGI processes that might have been exited or outright crashed. Examples: - spawner # starts instances on 8000, 8001, and 8002 - spawner -p 9100 -i 10 # starts 10 instances counting from 9100 to 9109 + spawner # starts instances on 8000, 8001, and 8002 using Mongrel if available + spawner fcgi # starts instances on 8000, 8001, and 8002 using FCGI + spawner mongrel -i 5 # starts instances on 8000, 8001, 8002, 8003, and 8004 using Mongrel + spawner -p 9100 -i 10 # starts 10 instances counting from 9100 to 9109 using Mongrel if available spawner -p 9100 -r 5 # starts 3 instances counting from 9100 to 9102 and attempts start them every 5 seconds EOF @@ -111,12 +155,12 @@ ENV["RAILS_ENV"] = OPTIONS[:environment] if OPTIONS[:repeat] daemonize trap("TERM") { exit } - FcgiSpawner.record_pid + spawner_class.record_pid loop do - FcgiSpawner.spawn_all + spawner_class.spawn_all sleep(OPTIONS[:repeat]) end else - FcgiSpawner.spawn_all + spawner_class.spawn_all end |