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Python Module for developing Munin Multigraph Monitoring Plugins. Multigraph Plugins for Apache Web Server, Apache Tomcat, APC PHP Cache, PHP FPM (Fast Process Manager), Asterisk, FreeSWITCH, Lighttpd, Memcached, MySQL Database, Nginx, NTP, PostgreSQL Database, CPU Utilization, Memory Utilization, Disk Usage, Disk I/O, Network Interfaces, Networ…
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PyMunin - Python Multigraph Munin Plugins


Python Module for developing Munin Multigraph Monitoring Plugins.

More detailed documentation for the project and sample graphs for plugins are published in the PyMunin Project Web Page.

Regular Munin Plugins employ one-plugin one-graph logic and require the execution of a script for data retrieval for each graph. Multigraph plugins permit retrieval of data for multiple graphs in one execution run (one-plugin many-graphs), reducing the processing time and delay for the fetch cycle significantly. More information on Multigraph Plugins can be found in the Munin Wiki:

The plugins consist of the following components:

  • The pymunin module (./pymunin) implements the base classes for developing Munin plugins.
  • The plugin logic is implemented in the plugin scripts in ./pymunin/plugins.
  • The actual data retrieval logic is separated from the plugins to facilitate code reuse. Individual modules in the directory ./pysysinfo implement classes for getting the monitoring data and returning them in dictionary objects. The separation of the data retrieval logic should facilitate the use of the same code in other monitoring solutions.

Although the solution is focused on implementing Multigraph Plugins the module also supports simple single graph plugins.

For information on other projects you can check my GitHub Personal Page and GitHub Profile.

Munin Plugins

Multigraph Monitoring Plugins for the following applications are already included:

  • Apache Tomcat
  • Apache Web Server
  • Asterisk Telephony Server
  • Disk Usage
  • Disk I/O
  • FreeSWITCH Soft Switch
  • Lighttpd Web Server
  • Memcached
  • MySQL Database
  • Network Interface Traffic and Errors
  • Network Connection Stats (netstat)
  • Nginx Web Server
  • NTP - Time Server
  • PHP APC - PHP Cache
  • PHP FPM (FastCGI Process Manager)
  • PostgreSQL Database
  • Processes and Threads
  • Rackspace Cloud
  • Redis Server
  • System Resources (Load, CPU, Memory, Processes, Interrupts, Paging, Swapping, etc.)
  • Sangoma Wanpipe Telephony Interfaces
  • Varnish Cache Web Application Accelerator

Classes for retrieving stats are available, but no plugins have been developed yet for the following:

  • Squid Web Proxy


PyMunin is copyrighted free software made available under the terms of the GPL License Version 3 or later.

See the COPYING file that acompanies the code for full licensing information.


New versions of the code are be published for download at PyPI - the Python Package Index periodically.

You can download the latest development version of this code that is hosted at GitHub either in ZIP or TAR format.

You can also get the latest development version of the code by cloning
the Git repository for the project by running:

git clone git://


The easiest way to install the code is to use pip.

Install the newest version from PyPI:

pip install PyMunin

Install the latest development version:

pip install git+

The other option is to download and uncompress the code manually and execute the included script for installation:

./ install


I would be happy to receive suggestions on improving the code for developing Munin Plugins. Alternatively you can use the Issues functionality of GitHub to document problems and to propose improvements. You can use the internal messaging system of GitHub or my e-mail address in case you prefer to contact me directly.

I hope that by sharing the code, the existing plugins will get more testing and receive improvements, and many more Multigraph plugins will be developed collaboratively.

I would be glad to receive some sample graphs from anyone using the plugins.


PyMunin has been developed by aouyar (Ali Onur Uyar).

Some of the people that have knowingly or unknowingly contributed with the development are:

  • Initial packaging of the code was done by Mark Lavin (mlavin). PyMunin is installable pip / easy_install thanks to Mark. :-)
  • PyMunin has been packaged for Fedora and Red Hat Enterprise Linux by Matthias Runge.
  • The initial design of the solution was inspired by python-munin by Samuel Stauffer.
  • The Rackspace Cloud plugin was initially developed by Brian Welsh.
  • Sebastian Rojo has contributed many improvements to the Asterisk Plugin.
  • Preston Mason has made significant contributions to the Varnish Cache and PHP APC Cache Plugins.
  • Many plugins were inspired by existing _Munin Plugins_developed by other people. (Before developing any plugins, I always try to check existing solutions.)
  • Many people have contributed by testing the plugins and identifying issues.

I hope that more people will be using PyMunin for developing plugins in the future.

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