cookbooks/munin/files/default/plugins/passenger_processes

   1 #!/usr/bin/env ruby
   2
   3 require "English"
   4 require "rexml/document"
   5
   6 def passenger_status
   7   @passenger_status ||= REXML::Document.new(`/usr/sbin/passenger-status --show=xml`)
   8 end
   9
  10 def output_config
  11   puts <<~CONFIG
  12     graph_category passenger
  13     graph_title Passenger processes
  14     graph_order active inactive
  15     graph_vlabel processes
  16     graph_total total
  17
  18     active.label busy servers
  19     active.draw AREA
  20     inactive.label idle servers
  21     inactive.draw STACK
  22   CONFIG
  23   exit 0
  24 end
  25
  26 def output_values
  27   active = 0
  28   inactive = 0
  29
  30   passenger_status.get_elements("//process").each do |process|
  31     if process.text("sessions").to_i.positive?
  32       active += 1
  33     else
  34       inactive += 1
  35     end
  36   end
  37
  38   puts "active.value #{active}"
  39   puts "inactive.value #{inactive}"
  40 end
  41
  42 if ARGV[0] == "config"
  43   output_config
  44 else
  45   output_values
  46 end