examples/gravatar.god

   1 # This is the actual config file used to keep the mongrels of
   2 # gravatar.com running.
   3
   4 RAILS_ROOT = "/var/www/gravatar2/current"
   5
   6 God.meddle do |god|
   7   god.interval = 30 # seconds
   8
   9   %w{8200 8201 8202}.each do |port|
  10     god.watch do |w|
  11       w.name = "gravatar2-mongrel-#{port}"
  12       w.cwd = RAILS_ROOT
  13       w.start = "mongrel_rails cluster::start --only #{port}"
  14       w.stop = "mongrel_rails cluster::stop --only #{port}"
  15
  16       pid_file = File.join(RAILS_ROOT, "log/mongrel.#{port}.pid")
  17
  18       w.start_if do |start|
  19         start.condition(:process_not_running) do |c|
  20           c.pid_file = pid_file
  21         end
  22       end
  23
  24       w.restart_if do |restart|
  25         restart.condition(:memory_usage) do |c|
  26           c.pid_file = pid_file
  27           c.above = (150 * 1024) # 150mb
  28           c.times = [3, 5] # 3 out of 5 intervals
  29         end
  30
  31         restart.condition(:cpu_usage) do |c|
  32           c.pid_file = pid_file
  33           c.above = 50 # percent
  34           c.times = 5
  35         end
  36       end
  37     end
  38   end
  39 end