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bind9stats.py

Programs to obtain data from the statistics channel of a BIND9 DNS server, and send it to some graphing and data visualization tools. The original program, bind9stats.py, was written to be a plugin for Munin, and has recently been renamed to bind9stats-munin.py. There is also a newer version, called bind9stats-graphite.py, that works with Graphite and Grafana.

bind9stats-munin.py: Munin plugin

version 0.31

A munin plugin to obtain data from a BIND9 statistics server, written in Python. Tested with BIND 9.10, 9.11, and 9.12's statistics server exporting version 3 of the statistics. In earlier versions of BIND 9.9, the v3 schema of statistics can be specified using the 'newstats' configuration directive. The newstats option was introduced in BIND 9.9.3.

If you are using older versions of BIND 9.9 that only support version 2 of the XML statistics, you'll need to use the 0.1x version of this program, which can be obtained from:

https://github.com/shuque/bind9stats/archive/v0.12.tar.gz

Software needed to use this:

Some notes:

  • BIND can be configured to provide per-zone query statistics also. This plugin currently doesn't process that data, and only does the aggregate statistics for the entire server.
  • Only the _default view is used. Servers configured to use multiple views that want per view statistics will have to extend this program a bit.

Instructions for using this:

  • Have a DNS server running BIND9, with the statistics server enabled.

    On my BIND servers, I usually have something like the following in the configuration file:

      statistics-channels {
              inet 127.0.0.1 port 8053 allow { 127.0.0.1; };
      };
    
  • Have a munin-node running on it, install bind9stats.py in its plugins directory and restart the node. You can also run the plugin on another machine, if the statistics server allows queries remotely. Set the HOST and PORT environment variables appropriately in that case before invoking bind9stats.py.

Sample munin graphs produced by this plugin:

Muning Graph 1 Muning Graph 1

bind9stats-graphite.py

This version of the program collects BIND9 statistics and sends them to a Graphite server, another monitoring tool and time series data store. This runs as a long lived daemon, collects statistics at regular intervals (default is every minute), and then sends them to a Graphite server.

Usage: bind9stats-graphite.py [Options]

    Options:
    -h             Print this usage message
    -d             Generate some diagnostic messages
    -f             Stay in foreground (default: become daemon)
    -m metrics     Comma separated metric types
                   (default: auth,res,bind,zone,memory)
                   (supported: auth,res,bind,zone,memory,socket)
    -n name        Specify server name (default: 1st component of hostname)
    -i interval    Polling interval in seconds (default: 60 sec)
    -s server      Graphite server IP address (default: 127.0.0.1)
    -p port        Graphite server port (default: 2003)
    -r             Really send data to Graphite (default: don't)

    -o options     Other comma separated options (default: none)
                   (supported: derive)

Installation:

  • Install the program into a suitable location on your system, e.g. sudo cp bind9stats-graphite.py /usr/local/sbin/
  • Arrange for the program to be started up on system boot. A sample Systemd service file and [Startup options file] (sysconfig-options) is provided. The OPTIONS variable in the latter specifies that command line options to start the program with, which by default is set to: OPTIONS="-d -s 127.0.0.1 -r"

Graphite is commonly the default backend for Grafana, a popular data visualization tool and dashboard. The included sample Grafana dashboard configuration file produces output like the following:

Grafana Screenshot 1 Grafana Screenshot 1 Grafana Screenshot 1

Author: Shumon Huque

Copyright (c) 2013-2015 - Shumon Huque. All rights reserved.
This program is free software; you can redistribute it and/or modify it under the same terms as Python itself.

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Data collection tools for the BIND9 DNS server's statistics server

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