#base_path = File.expand_path(File.join File.dirname(__FILE__), '..') base_path = "/srv/rosa_build" rails_env = ENV['RAILS_ENV'] || 'production' worker_processes 8 working_directory File.join(base_path, 'current') # available in 0.94.0+ # listen File.join(base_path, 'tmp', 'pids', 'unicorn.sock') # listen "/tmp/.sock", backlog: 64 # listen 8080, tcp_nopush: true # nuke workers after 30 seconds instead of 60 seconds (the default) timeout 600 # feel free to point this anywhere accessible on the filesystem pid_file = File.join(base_path, 'shared', 'pids', 'unicorn.pid') old_pid = pid_file + '.oldbin' pid pid_file # REE or Ruby 2.0 # http://www.rubyenterpriseedition.com/faq.html#adapt_apps_for_cow GC.copy_on_write_friendly = true if GC.respond_to?(:copy_on_write_friendly=) before_exec do |server| ENV["BUNDLE_GEMFILE"] = "#{base_path}/current/Gemfile" end # 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 File.join(base_path, 'current', 'log', 'unicorn.stderr.log') stdout_path File.join(base_path, 'current', 'log', 'unicorn.stdout.log') # combine REE with "preload_app true" for memory savings # http://rubyenterpriseedition.com/faq.html#adapt_apps_for_cow preload_app true 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. 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 # if preload_app is true, then you may also want to check and # restart any other shared sockets/descriptors such as Memcached, # and Redis. TokyoCabinet file handles are safe to reuse # between any number of forked children (assuming your kernel # correctly implements pread()/pwrite() system calls) # srand end