@@ -104,3 +104,10 @@ The firewall rules are exported from the server, defined in
upstream Puppet module to install Prometheus using backported Debian
packages. The monitoring server itself is defined in
`roles::monitoring`.
The [Prometheus Puppet module](https://github.com/voxpupuli/puppet-prometheus/) was patched to [allow scrape job
collection](https://github.com/voxpupuli/puppet-prometheus/pull/304) and [use of Debian packages for installation](https://github.com/voxpupuli/puppet-prometheus/pull/303). Much
of the initial Prometheus configuration was also documented in [ticket
#29681](https://trac.torproject.org/projects/tor/ticket/29681) and especially [ticket #29388](https://trac.torproject.org/projects/tor/ticket/29388) which investigates
storage requirements and possible alternatives for data retention
