Created
March 8, 2009 18:29
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#run on command line with 'god -c backgroundrb.god -D' | |
RAILS_ROOT = '/var/www/rails/rollbook/current' | |
#load required rails and backgroundrb files | |
require File.dirname(__FILE__) + '/../boot' | |
require File.dirname(__FILE__) + '/../environment' | |
require 'erb' | |
$LOAD_PATH << "#{RAILS_ROOT}/vendor/plugins/backgroundrb/lib" | |
require "#{RAILS_ROOT}/vendor/plugins/backgroundrb/lib/backgroundrb.rb" | |
#create custom condition for checking that QueryProcessingWorker is running | |
MiddleMan = BackgrounDRb::ClusterConnection.new | |
module God | |
module Conditions | |
class Backgroundrb < PollCondition | |
def initialize; super; end | |
def valid?; true; end | |
def test | |
begin | |
queue_worker = MiddleMan.all_worker_info.values.flatten.select { |w| :queue_processing_worker == w[:worker] } | |
queue_worker.empty? | |
rescue #if all_worker_info raises exception, then bdrb isn't running and we were unable to connect | |
true | |
end | |
end | |
end | |
end | |
end | |
God.watch do |w| | |
w.name = 'backgroundrb' | |
w.interval = 1.minute | |
w.restart = "cd #{RAILS_ROOT} && #{RAILS_ROOT}/script/backgroundrb -e production stop && #{RAILS_ROOT}/script/backgroundrb -e production start" | |
w.stop = "cd #{RAILS_ROOT} && #{RAILS_ROOT}/script/backgroundrb -e production stop" | |
w.start = "cd #{RAILS_ROOT} && #{RAILS_ROOT}/script/backgroundrb -e production start" | |
w.grace = 1.minute | |
w.pid_file = "#{RAILS_ROOT}/tmp/pids/backgroundrb_11000.pid" | |
w.start_if do |start| | |
start.condition(:process_running) do |c| | |
c.running = false | |
end | |
end | |
w.restart_if do |restart| | |
restart.condition(:backgroundrb) do |c| | |
#just restart it | |
end | |
end | |
end |
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