added example config for unicorn

Valery Sizov
1 parent 620e83d0
Showing 1 changed file with 64 additions and 0 deletions Show diff stats
config/unicorn.rb.orig
@@ -0,0 +1,64 @@
+app_dir = "/home/gitlab/gitlab/"
+worker_processes 2
+working_directory app_dir
+
+# Load app into the master before forking workers for super-fast
+# worker spawn times
+preload_app true
+
+# nuke workers after 60 seconds (the default)
+timeout 30
+
+# listen on a Unix domain socket and/or a TCP port,
+
+#listen 8080 # listen to port 8080 on all TCP interfaces
+#listen "127.0.0.1:8080"  # listen to port 8080 on the loopback interface
+listen "/tmp/gitlab.socket"
+
+pid "#{app_dir}/pids/unicorn.pid"
+stderr_path "#{app_dir}/log/unicorn.stderr.log"
+stdout_path "#{app_dir}/log/unicorn.stdout.log"
+
+# http://www.rubyenterpriseedition.com/faq.html#adapt_apps_for_cow
+if GC.respond_to?(:copy_on_write_friendly=)
+  GC.copy_on_write_friendly = true
+end
+
+
+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!
+
+  ##
+  # 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 = "#{server.config[:pid]}.oldbin"
+
+  if File.exists?(old_pid) && server.pid != old_pid
+    begin
+      sig = (worker.nr + 1) >= server.worker_processes ? :QUIT : :TTOU
+      Process.kill(sig, 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|
+  # Unicorn master loads the app then forks off workers - because of the way
+  # Unix forking works, we need to make sure we aren't using any of the parent's
+  # sockets, e.g. db connection
+
+  defined?(ActiveRecord::Base) and ActiveRecord::Base.establish_connection
+  # Redis and Memcached would go here but their connections are established
+  # on demand, so the master never opens a socket
+end
...	...	@@ -0,0 +1,64 @@
	1	+app_dir = "/home/gitlab/gitlab/"
	2	+worker_processes 2
	3	+working_directory app_dir
	4	+
	5	+# Load app into the master before forking workers for super-fast
	6	+# worker spawn times
	7	+preload_app true
	8	+
	9	+# nuke workers after 60 seconds (the default)
	10	+timeout 30
	11	+
	12	+# listen on a Unix domain socket and/or a TCP port,
	13	+
	14	+#listen 8080 # listen to port 8080 on all TCP interfaces
	15	+#listen "127.0.0.1:8080" # listen to port 8080 on the loopback interface
	16	+listen "/tmp/gitlab.socket"
	17	+
	18	+pid "#{app_dir}/pids/unicorn.pid"
	19	+stderr_path "#{app_dir}/log/unicorn.stderr.log"
	20	+stdout_path "#{app_dir}/log/unicorn.stdout.log"
	21	+
	22	+# http://www.rubyenterpriseedition.com/faq.html#adapt_apps_for_cow
	23	+if GC.respond_to?(:copy_on_write_friendly=)
	24	+ GC.copy_on_write_friendly = true
	25	+end
	26	+
	27	+
	28	+before_fork do \|server, worker\|
	29	+ # the following is highly recomended for Rails + "preload_app true"
	30	+ # as there's no need for the master process to hold a connection
	31	+ defined?(ActiveRecord::Base) and ActiveRecord::Base.connection.disconnect!
	32	+
	33	+ ##
	34	+ # When sent a USR2, Unicorn will suffix its pidfile with .oldbin and
	35	+ # immediately start loading up a new version of itself (loaded with a new
	36	+ # version of our app). When this new Unicorn is completely loaded
	37	+ # it will begin spawning workers. The first worker spawned will check to
	38	+ # see if an .oldbin pidfile exists. If so, this means we've just booted up
	39	+ # a new Unicorn and need to tell the old one that it can now die. To do so
	40	+ # we send it a QUIT.
	41	+ #
	42	+ # Using this method we get 0 downtime deploys.
	43	+
	44	+ old_pid = "#{server.config[:pid]}.oldbin"
	45	+
	46	+ if File.exists?(old_pid) && server.pid != old_pid
	47	+ begin
	48	+ sig = (worker.nr + 1) >= server.worker_processes ? :QUIT : :TTOU
	49	+ Process.kill(sig, File.read(old_pid).to_i)
	50	+ rescue Errno::ENOENT, Errno::ESRCH
	51	+ # someone else did our job for us
	52	+ end
	53	+ end
	54	+end
	55	+
	56	+after_fork do \|server, worker\|
	57	+ # Unicorn master loads the app then forks off workers - because of the way
	58	+ # Unix forking works, we need to make sure we aren't using any of the parent's
	59	+ # sockets, e.g. db connection
	60	+
	61	+ defined?(ActiveRecord::Base) and ActiveRecord::Base.establish_connection
	62	+ # Redis and Memcached would go here but their connections are established
	63	+ # on demand, so the master never opens a socket
	64	+end
...	...