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Build # 505

Build Type

push

travis-ci-com

Committed by 0xAX

Commit Message

Replace exometer with prometheus

These commits replaces exometer/exometer_core libraries with prometheus.erl
to collect RADIUS metrics.

Besides replacing of metrics library, there are following changes were done
related to metrics:

  * Metrics names are updated according to prometheus metrics naming. Previously
exometer metrics were represented as a list of atoms, like for example:

[request,malformed,server,$NAME,$IP,$PORT,total,undefined,undefined,counter]

Now the same metric named: eradius_malformed_requests_total, and variadic parts
like $NAME, $IP and so on made as prometheus labels.

  * NAS and Server metrics were combined into one. Previously these metrics
were splitted per NAS and Server but as the current implementation provides
prometheus labels - the metrics were merged.

All the counters were implemented on top of eradius_counter ets based
storage and should be accessible via API. Histogram metrics were implemeneted
based on prometheus_histogram collector as it is the easiest way to do this and
we don't need to manage buckets and other histogram related things in eradius.

Run Details

835 of 1657 relevant lines covered (50.39%)

650.65 hits per line