cookbooks/munin/files/default/plugins/passenger_requests

   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 --base 1000
  13     graph_category passenger
  14     graph_title Passenger requests
  15     graph_vlabel requests / ${graph_period}
  16
  17     total.label total
  18     total.type DERIVE
  19     total.max 1000000
  20     total.min 0
  21   CONFIG
  22
  23   groups = passenger_status.get_elements("//supergroup").map do |supergroup|
  24     supergroup.text("name")
  25   end
  26
  27   groups.sort.each do |name|
  28     puts "#{name}.label #{name}"
  29     puts "#{name}.type DERIVE"
  30     puts "#{name}.max 1000000"
  31     puts "#{name}.min 0"
  32   end
  33 end
  34
  35 def output_values
  36   total_requests = 0
  37
  38   passenger_status.get_elements("//supergroup").map do |supergroup|
  39     name = supergroup.text("name")
  40     requests = 0
  41
  42     supergroup.get_elements("group/processes/process").each do |process|
  43       requests += process.text("processed").to_i
  44     end
  45
  46     total_requests += requests
  47
  48     puts "#{name}.value #{requests}"
  49   end
  50
  51   puts "total.value #{total_requests}"
  52 end
  53
  54 if ARGV[0] == "config"
  55   output_config
  56 else
  57   output_values
  58 end