client/authority-discovery: Instrument code with Prometheus (#5195)

* client/authority-discovery: Instrument code with Prometheus

Introduce Prometheus metrics into the authority discovery module
enabling one to observe:

- authority_discovery_times_published_total

- authority_discovery_amount_external_addresses_last_published

- authority_discovery_times_requested_total

- authority_discovery_dht_event_received

* client/authority-discovery/src/lib.rs: Reword metric help texts

Co-Authored-By: Ashley <ashley.ruglys@gmail.com>

* client/authority-discovery/src/lib.rs: Reword metric help text

Co-Authored-By: Ashley <ashley.ruglys@gmail.com>

* client/authority-discovery/tests: Fix struct instantiation + basic test

Co-authored-by: Ashley <ashley.ruglys@gmail.com>
This commit is contained in:
Max Inden
2020-03-11 23:59:33 +01:00
committed by GitHub
parent c9c7d655f1
commit d2345e8d5c
6 changed files with 144 additions and 13 deletions
@@ -46,4 +46,6 @@ pub enum Error {
EncodingDecodingScale(codec::Error),
/// Failed to parse a libp2p multi address.
ParsingMultiaddress(libp2p::core::multiaddr::Error),
/// Failed to register Prometheus metric.
Prometheus(prometheus_endpoint::PrometheusError),
}