forked from ISTI-ansible-roles/ansible-roles
61 lines
2.1 KiB
Plaintext
61 lines
2.1 KiB
Plaintext
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app_dir = "{{ redmine_glob_root_dir }}/{{ redmine_inst_dir }}"
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working_directory app_dir
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pid "{{ unicorn_pid_file }}"
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preload_app true
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timeout {{ unicorn_timeout }}
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worker_processes {{ unicorn_worker_processes }}
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# Log files
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stderr_path "{{ unicorn_log_dir }}/unicorn.stderr.log"
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stdout_path "{{ unicorn_log_dir }}/unicorn.stdout.log"
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GC.respond_to?(:copy_on_write_friendly=) and GC.copy_on_write_friendly = true
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before_fork do |server, worker|
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# the following is highly recomended for Rails + "preload_app true"
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# as there's no need for the master process to hold a connection
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defined?(ActiveRecord::Base) and ActiveRecord::Base.connection.disconnect!
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##
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# When sent a USR2, Unicorn will suffix its pidfile with .oldbin and
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# immediately start loading up a new version of itself (loaded with a new
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# version of our app). When this new Unicorn is completely loaded
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# it will begin spawning workers. The first worker spawned will check to
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# see if an .oldbin pidfile exists. If so, this means we've just booted up
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# a new Unicorn and need to tell the old one that it can now die. To do so
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# we send it a QUIT.
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#
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# Using this method we get 0 downtime deploys.
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old_pid = "#{server.config[:pid]}.oldbin"
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if File.exists?(old_pid) && server.pid != old_pid
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begin
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sig = (worker.nr + 1) >= server.worker_processes ? :QUIT : :TTOU
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Process.kill(sig, File.read(old_pid).to_i)
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rescue Errno::ENOENT, Errno::ESRCH
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# someone else did our job for us
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end
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end
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end
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after_fork do |server, worker|
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# Unicorn master loads the app then forks off workers - because of the way
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# Unix forking works, we need to make sure we aren't using any of the parent's
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# sockets, e.g. db connection
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defined?(ActiveRecord::Base) and ActiveRecord::Base.establish_connection
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# Redis and Memcached would go here but their connections are established
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# on demand, so the master never opens a socket
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#start the worker on port 4000, 4001, 4002 etc...
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addr = "{{ unicorn_listen_address }}:#{ {{ unicorn_listen_port }} + worker.nr}"
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# infinite tries to start the worker
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server.listen(addr, :tries => 10, :delay => 5, :backlog => 128)
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end
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