Created
May 27, 2010 02:33
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# Redis | |
%w{6379}.each do |port| | |
God.watch do |w| | |
w.name = "redis" | |
w.interval = 30.seconds | |
w.start = "/etc/init.d/redis start" | |
w.stop = "/etc/init.d/redis stop" | |
w.restart = "/etc/init.d/redis restart" | |
w.start_grace = 10.seconds | |
w.restart_grace = 10.seconds | |
w.start_if do |start| | |
start.condition(:process_running) do |c| | |
c.interval = 5.seconds | |
c.running = false | |
end | |
end | |
end | |
end | |
# Resque | |
God.watch do |w| | |
w.name = "resque-1.8.0" | |
w.interval = 30.seconds | |
w.start = "cd /var/www/apps/limitedpressing/current && rake environment RAILS_ENV=production resque:work QUEUE=high,medium,low" | |
w.start_grace = 10.seconds | |
# retart 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 |
checkout my fork, it has my changes. but the answer is: yes :)
p.s. thanks for the blogpost regardless. was useful for getting started. truth be told, I think god docs are lacking.
Awesome. Thanks for the fork. I'll pull in your changes and update my post. And no problem, I mostly had a problem figuring out how to get the resque workers to get restarted on deploy though. That was a real pain in the ass for me. Thanks again!
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Okay, I totally misunderstood, sorry. I had a problem where god would keep starting new resque workers so I thought you were talking about that.
You're right, the pid is wrong and also my /etc/init.d/redis script is creating a pid at /var/run/redis.pid whereas god is using /var/run/god/redis.pid. Everything's all confused haha.
So I guess the God.watch can be moved out the of the useless port loop, like you mentioned earlier. Then those two lines you added above: w.pid_file and w.behavior, can those be added within the God.watch block?