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_args --lower-limit 0
  13     graph_category passenger
  14     graph_title Passenger processes
  15     graph_order active inactive
  16     graph_vlabel processes
  17     graph_total total
  18
  19     active.label busy servers
  20     active.draw AREA
  21     inactive.label idle servers
  22     inactive.draw STACK
  23   CONFIG
  24   exit 0
  25 end
  26
  27 def output_values
  28   active = 0
  29   inactive = 0
  30
  31   passenger_status.get_elements("//process").each do |process|
  32     if process.text("sessions").to_i.positive?
  33       active += 1
  34     else
  35       inactive += 1
  36     end
  37   end
  38
  39   puts "active.value #{active}"
  40   puts "inactive.value #{inactive}"
  41 end
  42
  43 if ARGV[0] == "config"
  44   output_config
  45 else
  46   output_values
  47 end