# unicorn_rails -c ./config/unicorn/production.rb -E production -D
APP_DIR = "/srv/www/componentowl.com/current"

worker_processes 2

# Help ensure your application will always spawn in the symlinked
# "current" directory that Capistrano sets up.
working_directory APP_DIR

# This loads the application in the master process before forking
# worker processes
# Read more about it here:
# http://unicorn.bogomips.org/Unicorn/Configurator.html
preload_app true

# This is where we specify the socket.
# We will point the upstream Nginx module to this socket later on
listen "/tmp/componentowl.sock", :backlog => 64
# Optionally listen to a tcp port.
#listen 5000, :tcp_nopush => true

pid "/tmp/componentowl.com.pid"

# Temp fix for the setup file uploading (should be handled 
# by node.js in future).
timeout 5 * 60

# By default, the Unicorn logger will write to stderr.
# Additionally, ome applications/frameworks log to stderr or stdout,
# so prevent them from going to /dev/null when daemonized here:
stderr_path "#{APP_DIR}/log/unicorn.stderr.log"
stdout_path "#{APP_DIR}/log/unicorn.stdout.log"

before_fork do |server, worker|
  # This option works in together with preload_app true setting
  # What is does is prevent the master process from holding
  # the database connection
  defined?(ActiveRecord::Base) and
    ActiveRecord::Base.connection.disconnect!

  # When sent a USR2, Unicorn will suffix its pidfile with .oldbin and
  # immediately start loading up a new version of itself (loaded with a new
  # version of our app). When this new Unicorn is completely loaded
  # it will begin spawning workers. The first worker spawned will check to
  # see if an .oldbin pidfile exists. If so, this means we've just booted up
  # a new Unicorn and need to tell the old one that it can now die. To do so
  # we send it a QUIT.
  #
  # Using this method we get 0 downtime deploys.
  old_pid = "/tmp/componentowl.com.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|
  # Here we are establishing the connection after forking worker
  # processes
  defined?(ActiveRecord::Base) and
    ActiveRecord::Base.establish_connection
end