Created
March 15, 2010 20:37
-
-
Save gravis/333308 to your computer and use it in GitHub Desktop.
God monitoring files for resque
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# Copyright (c) 2010 Tech-Angels | |
# | |
# Permission is hereby granted, free of charge, to any person | |
# obtaining a copy of this software and associated documentation | |
# files (the "Software"), to deal in the Software without | |
# restriction, including without limitation the rights to use, | |
# copy, modify, merge, publish, distribute, sublicense, and/or sell | |
# copies of the Software, and to permit persons to whom the | |
# Software is furnished to do so, subject to the following | |
# conditions: | |
# | |
# The above copyright notice and this permission notice shall be | |
# included in all copies or substantial portions of the Software. | |
# | |
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES | |
# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT | |
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, | |
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
# OTHER DEALINGS IN THE SOFTWARE. | |
# | |
%w(demo staging).each do |rails_env| | |
num_workers = rails_env == 'production' ? 5 : 2 | |
rails_root = ENV['RAILS_ROOT'] || "/var/www/project/#{rails_env}/current" | |
num_workers.times do |num| | |
God.watch do |w| | |
w.name = "resque-#{num}-#{rails_env}" | |
w.group = 'resque' | |
w.interval = 30.seconds | |
w.env = {"QUEUE"=>"bets,races,default", "RAILS_ENV"=>rails_env} | |
w.start = "/usr/bin/rake -f #{rails_root}/Rakefile environment resque:work" | |
w.uid = 'capdeploy' | |
# 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 | |
end | |
end |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# Copyright (c) 2010 Tech-Angels | |
# | |
# Permission is hereby granted, free of charge, to any person | |
# obtaining a copy of this software and associated documentation | |
# files (the "Software"), to deal in the Software without | |
# restriction, including without limitation the rights to use, | |
# copy, modify, merge, publish, distribute, sublicense, and/or sell | |
# copies of the Software, and to permit persons to whom the | |
# Software is furnished to do so, subject to the following | |
# conditions: | |
# | |
# The above copyright notice and this permission notice shall be | |
# included in all copies or substantial portions of the Software. | |
# | |
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES | |
# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT | |
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, | |
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
# OTHER DEALINGS IN THE SOFTWARE. | |
# | |
# This will ride alongside god and kill any rogue stale worker | |
# processes. Their sacrifice is for the greater good. | |
WORKER_TIMEOUT = 60 * 10 # 10 minutes | |
Thread.new do | |
loop do | |
begin | |
`ps -e -o pid,command | grep [r]esque-[0-9]`.split("\n").each do |line| | |
parts = line.split(' ') | |
next if parts[-2] != "at" | |
started = parts[-1].to_i | |
elapsed = Time.now - Time.at(started) | |
if elapsed >= WORKER_TIMEOUT | |
::Process.kill('USR1', parts[0].to_i) | |
end | |
end | |
rescue | |
# don't die because of stupid exceptions | |
nil | |
end | |
sleep 30 | |
end | |
end |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# Copyright (c) 2010 Tech-Angels | |
# | |
# Permission is hereby granted, free of charge, to any person | |
# obtaining a copy of this software and associated documentation | |
# files (the "Software"), to deal in the Software without | |
# restriction, including without limitation the rights to use, | |
# copy, modify, merge, publish, distribute, sublicense, and/or sell | |
# copies of the Software, and to permit persons to whom the | |
# Software is furnished to do so, subject to the following | |
# conditions: | |
# | |
# The above copyright notice and this permission notice shall be | |
# included in all copies or substantial portions of the Software. | |
# | |
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES | |
# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT | |
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, | |
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
# OTHER DEALINGS IN THE SOFTWARE. | |
# | |
# | |
# God monitoring file for resque-scheduler (taken from resque/examples) | |
# | |
%w(demo staging).each do |rails_env| | |
rails_root = ENV['RAILS_ROOT'] || "/var/www/project/#{rails_env}/current" | |
God.watch do |w| | |
w.name = "resque-scheduler-#{rails_env}" | |
w.group = 'resque-scheduler' | |
w.interval = 30.seconds | |
w.env = {"RAILS_ENV"=>rails_env} | |
w.start = "/usr/bin/rake -f #{rails_root}/Rakefile environment resque:scheduler" | |
w.uid = 'capdeploy' | |
# 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 | |
end |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment