squid_prometheus_exporter

README

Prometheus exporter for Squid Proxy

This project try to extract all the stats from manager page of Squid > 3.5 (in this version the squid manager can be acceded from HTTP endpoint directly using /squid-internal-mgr/). The metrics got from Squid are:

1. Active Requests

Active Requests

Print all the information about the current connections of Squid proxy, the metrics are:

• squid_active_requests_data_down Show data transfered of a connection
• squid_active_requests_duration Show duration of a connection

The labels are:

• connection ID of the connection
• ip IP of source connection
• uri URL of request
• username Username of the source connection
• delay_pool Delay pool matched for the source connection

How to use

First you need configure squid to allow the requests to cache manager and later execute the exporter.

Configure Squid

You need configure in squid.conf the access to cache manager with this:

http_access allow localhost manager
http_access deny manager

You can change localhost with any other acl to allow the access. More info at Squid Manager Doc

Execute exporter

Compile the Go source code

go build -o squid_exporter .

Then execute with these parameters:

• -listen-address The address to listen on for HTTP requests. (default ':9399')
• -squid-url Squid URL. (default 'http://localhost:3128/')
• -enable-only Enable only specific metrics. Can't be used with -disable-only
• -disable-only Disable only specific metrics. Can't be used with -enable-only