Created
September 1, 2011 21:47
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resque.god from http://makandra.com/notes/1431-resque-+-god-+-capistrano
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rails_env = ENV['RAILS_ENV'] or raise "RAILS_ENV not set" | |
rails_root = ENV['RAILS_ROOT'] or raise "RAILS_ROOT not set" | |
num_workers = rails_env == 'production' ? 1 : 1 | |
num_workers.times do |num| | |
God.watch do |w| | |
w.dir = "#{rails_root}" | |
w.name = "resque-#{num}" | |
w.group = 'resque' | |
w.interval = 30.seconds | |
w.pid_file = "#{rails_root}/tmp/pids/#{w.name}.pid" | |
w.env = {"QUEUE"=>"*", "RAILS_ENV"=>rails_env, 'PIDFILE' => w.pid_file} | |
w.start = "bundle exec rake environment resque:work &" | |
# restart if memory gets too high | |
w.transition(:up, :restart) do |on| | |
on.condition(:memory_usage) do |c| | |
c.above = 350.megabytes | |
c.times = 2 | |
end | |
end | |
# determine the state on startup | |
w.transition(:init, { true => :up, false => :start }) do |on| | |
on.condition(:process_running) do |c| | |
c.running = true | |
end | |
end | |
# determine when process has finished starting | |
w.transition([:start, :restart], :up) do |on| | |
on.condition(:process_running) do |c| | |
c.running = true | |
c.interval = 5.seconds | |
end | |
# failsafe | |
on.condition(:tries) do |c| | |
c.times = 5 | |
c.transition = :start | |
c.interval = 5.seconds | |
end | |
end | |
# start if process is not running | |
w.transition(:up, :start) do |on| | |
on.condition(:process_running) do |c| | |
c.running = false | |
end | |
end | |
end | |
end |
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