gistfile1.rb

# Use at least one worker per core
worker_processes 16 

# Help ensure your application will always spawn in the symlinked "current" directory that Capistrano sets up
working_directory "/var/www/apps/superfeedr.com/current" 

# Listen on a Unix domain socket, use the default backlog size
listen "/tmp/unicorn.sock", :backlog => 1024

# Nuke workers after 30 seconds instead of 60 seconds (the default)
timeout 30

# Lets keep our process id's in one place for simplicity  
pid "/var/www/apps/superfeedr.com/shared/pids/unicorn.pid"

# Logs are very useful for trouble shooting, use them 
stderr_path "/var/log/unicorn/stderr.log"
stdout_path "/var/log/unicorn/stdout.log"

# Use "preload_app true"
preload_app true

GC.respond_to?(:copy_on_write_friendly=) and GC.copy_on_write_friendly = true

before_fork do |server, worker|
  # the following is highly recomended for Rails + "preload_app true"
  # as there's no need for the master process to hold a connection
  defined?(ActiveRecord::Base) and ActiveRecord::Base.connection.disconnect!
  MongoMapper.database.connection.close 
  
  old_pid = '/tmp/unicorn.pid.oldbin'
  if File.exists?(old_pid) && server.pid != old_pid
    begin
      Process.kill("QUIT", File.read(old_pid).to_i)
    rescue Errno::ENOENT, Errno::ESRCH
    # someone else did our job for us
    end
  end

end

after_fork do |server, worker|
  defined?(ActiveRecord::Base) and ActiveRecord::Base.establish_connection

  ##
  # Start Redis
  begin
    redis_conf  = YAML.load(File.read(File.expand_path(File.join(RAILS_ROOT,"config","redis.yml"))))[RAILS_ENV].symbolize_keys
    $redis = Redis.new(redis_conf)
  rescue
    RAILS_DEFAULT_LOGGER.error("Couldn't connect to Redis Server : #{redis_conf.inspect}")
  end

  ##
  # Start Mongo
  begin
    include MongoMapper
    mongo_conf = YAML.load(File.read(File.expand_path(File.join(RAILS_ROOT,"config","mongo.yml"))))[RAILS_ENV]
    MongoMapper.database = mongo_conf["database"]
    MongoMapper.connection = Mongo::Connection.new(mongo_conf["host"], mongo_conf["port"], :logger => Rails.logger)
    MongoMapper.database.authenticate(mongo_conf["username"], mongo_conf["password"])
    ActionController::Base.rescue_responses['MongoMapper::DocumentNotFound'] = :not_found
    MongoMapper.database.connection.connect_to_master
  rescue
    RAILS_DEFAULT_LOGGER.error("Couldn't connect to Mongo Server : #{mongo_conf.inspect}")
  end

  ##
  # Start the Queue
  begin
    queue_conf = YAML.load(File.read(File.expand_path(File.join(RAILS_ROOT,"config","queue.yml"))))[RAILS_ENV]
    $bunny = Bunny.new(:host => queue_conf["host"], :logging => queue_conf["logging"])
    $bunny.start_session
    $ping_queue = $bunny.queue(queue_conf["queue"])
  rescue
    RAILS_DEFAULT_LOGGER.error("Couldn't connect to RabbitMq Server : #{queue_conf.inspect}")
  end

end