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unicorn.rb 1.4KB

    require "net/http" worker_processes Integer(ENV["WEB_CONCURRENCY"] || 2) timeout 15 preload_app true # Note that this will only work correctly when running Heroku with ONE web worker. # If you want to run more than one, use the standard Huginn Procfile instead, with separate web and job entries. # You'll need to set the Heroku config variable PROCFILE_PATH to 'Procfile'. Thread.new do worker_pid = nil while true if worker_pid.nil? worker_pid = spawn("bundle exec rails runner bin/threaded.rb") puts "New threaded worker PID: #{worker_pid}" end sleep 45 if ENV['DOMAIN'] force_ssl = ENV['FORCE_SSL'].present? && ENV['FORCE_SSL'] == 'true' Net::HTTP.get_response(URI((force_ssl ? "https://" : "http://") + ENV['DOMAIN'])) end begin Process.getpgid worker_pid rescue Errno::ESRCH # No longer running worker_pid = nil end end end before_fork do |server, worker| Signal.trap 'TERM' do puts 'Unicorn master intercepting TERM and sending myself QUIT instead' Process.kill 'QUIT', Process.pid end defined?(ActiveRecord::Base) and ActiveRecord::Base.connection.disconnect! end after_fork do |server, worker| Signal.trap 'TERM' do puts 'Unicorn worker intercepting TERM and doing nothing. Wait for master to send QUIT' end defined?(ActiveRecord::Base) and ActiveRecord::Base.establish_connection end