lib/god.rb

   1 $:.unshift File.dirname(__FILE__)     # For use/testing when no gem is installed
   2
   3 require 'syslog'
   4
   5 # internal requires
   6 require 'god/base'
   7 require 'god/errors'
   8
   9 require 'god/system/process'
  10
  11 require 'god/behavior'
  12 require 'god/behaviors/clean_pid_file'
  13
  14 require 'god/condition'
  15 require 'god/conditions/timeline'
  16 require 'god/conditions/process_running'
  17 require 'god/conditions/process_exits'
  18 require 'god/conditions/memory_usage'
  19 require 'god/conditions/cpu_usage'
  20 require 'god/conditions/always'
  21
  22 require 'god/reporter'
  23 require 'god/server'
  24 require 'god/timer'
  25 require 'god/hub'
  26
  27 require 'god/metric'
  28
  29 require 'god/watch'
  30 require 'god/meddle'
  31
  32 require 'god/event_handler'
  33 require 'god/registry'
  34 require 'god/process'
  35
  36 $:.unshift File.join(File.dirname(__FILE__), *%w[.. ext god])
  37
  38 begin
  39   Syslog.open('god')
  40 rescue RuntimeError
  41   Syslog.reopen('god')
  42 end
  43
  44 God::EventHandler.load
  45
  46 module God
  47   VERSION = '0.3.0'
  48
  49   # Where pid files created by god will go by default
  50   def self.pid_file_directory
  51     @pid_file_directory ||= '/var/run/god'
  52   end
  53
  54   def self.pid_file_directory=(value)
  55     @pid_file_directory = value
  56   end
  57
  58   def self.meddle(options = {})
  59     m = Meddle.new(options)
  60
  61     # yeild to the config file
  62     yield m
  63
  64     # start event handler system
  65     EventHandler.start if EventHandler.loaded?
  66
  67     # start the timer system
  68     Timer.get
  69
  70     # start monitoring
  71     m.monitor
  72
  73     # join the timer thread so we don't exit
  74     Timer.get.join
  75   end
  76 end