Monitoring — Cyrus IMAP 3.2.3 documentation

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# Monitoring

Cyrus IMAP supports monitoring using Prometheus.

To use this functionality, Cyrus IMAP must have been built with the `--enable-http` configure option enabled.

## Setup

> - Set the prometheus_enabled setting in imapd.conf(5) to “yes”
> - Add the prometheus module to your httpmodules in imapd.conf(5)
> - Set the prometheus_need_auth, prometheus_update_freq and prometheus_stats_dir settings in imapd.conf(5) to taste
> - Add a job to run promstatsd(8) to the DAEMON section of cyrus.conf(5) (the actual daemon process)
> - Add a job to run `promstatsd -c` to the START section of cyrus.conf(5) (this cleans up the stats files from the previous run)
> - Configure your Prometheus server to scrape http://yourserver.example.com/metrics

## Configuration options

> > `prometheus_enabled:` 0

> > > Whether tracking of service metrics for Prometheus is enabled.

> > `prometheus_need_auth:` admin

> > > Authentication level required to fetch Prometheus metrics.

> > > Allowed values: none, user, admin

> > `prometheus_update_freq:` 10s

> > > Frequency in at which promstatsd should re-collate its statistics report. The minimum value is 1 second, the default is 10 seconds.

> > > For backward compatibility, if no unit is specified, seconds is assumed.

> > `prometheus_stats_dir:` <none>

> > > Directory to use for gathering prometheus statistics. If specified, must be an absolute path. If not specified, the default path $configdirectory/stats/ will be used. It may be advantageous to locate this directory on ephemeral storage.

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