Munin contributed plugins

require 'digest/md5'

require 'nokogiri'

def output

  nics = Hash.new

  nics["LAN"] = Hash.new

  j = 0

  doc = Nokogiri::XML(clients_xml.to_s)

  doc.xpath('//assoc').each do |assoc|

  end

  puts "wifi_assoc.value " + j.to_s

  j = 0

  doc = Nokogiri::XML(clients_xml.to_s)

  doc.xpath('//client').each do |client|

  end

  puts "dhcp_clients.value " + j.to_s

  clients_xml = agent.get("#{router_path}/wan_connection_status.xml").body

  doc = Nokogiri::XML(clients_xml.to_s)

  uptime = doc.children.search('wan_interface_up_time_0')[0].text

  # graph overall interface packets transferred per interval

  puts "multigraph if_packets"

    puts "#{i}_recv.value " + nics[i]["packets_received"]

    puts "#{i}_send.value " + nics[i]["packets_sent"]

  end

  # graph overall interface dropped packets per interval

  puts "multigraph if_drop"

    puts "#{i}_recv.value " + nics[i]["rx_dropped"]

    puts "#{i}_send.value " + nics[i]["tx_dropped"]

  end

  # graph overall interface collisions & errors per interval

  puts "multigraph if_collerr"

    puts "#{i}_coll.value " + nics[i]["tx_collisions"]

    puts "#{i}_err.value " + nics[i]["rx_errors"]

  end

  # graph stats for each interface

    puts "multigraph if_packets.#{i}"

    puts "send.value " + nics[i]["packets_sent"]

    puts "recv.value " + nics[i]["packets_received"]

  end

end

def config

  # build the configuration for graphs

  puts "multigraph if_packets"

  puts 'graph_category network'

  puts 'graph_order LAN_recv LAN_send WAN_recv WAN_send WLAN_recv WLAN_send'

  puts 'graph_vlabel packets in (-) / out (+) per ${graph_period}'

    puts "#{i}_recv.type DERIVE"

    puts "#{i}_recv.graph no"

    puts "#{i}_recv.min 0"

  puts 'graph_category network'

  puts 'graph_order LAN_recv LAN_send WAN_recv WAN_send WLAN_recv WLAN_send'

  puts 'graph_vlabel packets / ${graph_period}'

    puts "#{i}_recv.type DERIVE"

    puts "#{i}_recv.graph no"

    puts "#{i}_recv.min 0"

  puts 'graph_category network'

  puts 'graph_order LAN_coll LAN_err WAN_coll WAN_err WLAN_coll WLAN_coll'

  puts 'graph_vlabel packets / ${graph_period}'

    puts "#{i}_coll.label #{i} collisions"

    puts "#{i}_coll.type DERIVE"

    puts "#{i}_coll.min 0"

  puts 'uptime.label uptime'

  puts 'uptime.draw AREA'

    puts "multigraph if_packets.#{i}"

    puts "graph_title D-Link DIR-655 #{i} traffic"

    puts 'graph_category network'

  end

end

# main

if ARGV.length == 1 and ARGV[0] == 'config'

  config()