Varnish

Varnish high-performance HTTP accelerator

The Varnish plugin allows you to gather a series of metrics from one instance of Varnish HTTP accelerator, including availability, requests served, bytes served, cache hits a cache misses.

Download

• From IT Linux website: http://www.it-linux.cl/download/varnish-hyperic.tbz

Documentation

1. Instalation

Step1: Download and untar the file.

Step2: Install the Config::INI::Simple Perl Module on the agents

Step3: Stop the HQ Server and Agents

Step4: Copy the plugin to the respective plugin directory

HQ Server:

cp  varnish-plugin.xml <hq installation dir>/hq-plugins/

HQ Agent:

cp  -a scripts/ varnish-plugin.xml <hq installation dir>/hq-plugins/

chmod +x /opt/hyperic/hq-plugins/scripts/varnishstat.pl

 Step5: Give write permitions to the scripts directory to the user who runs the HQ Agent process.
 (you may be running the Agent as root, if not

chmod o+w  /opt/hyperic/hq-plugins/scripts/

 Step6: Restart the HQ Servers and Agents.

2. Configuration

Just add a new service and look for Varnish Stats.