Add version to prometheus metrics

NethermindEth · Oct 31, 2023 · 4d437aa · 4d437aa
1 parent 7aba064
commit 4d437aa
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diff --git a/node/metrics.go b/node/metrics.go
@@ -168,3 +168,12 @@ func makeSyncMetrics(syncReader sync.Reader, bcReader blockchain.Reader) sync.Ev
 		},
 	}
 }
+
+func makeJunoMetrics(version string) {
+	prometheus.MustRegister(prometheus.NewGauge(prometheus.GaugeOpts{
+		Namespace:   "juno",
+		Name:        "info",
+		Help:        "Information about the Juno binary",
+		ConstLabels: prometheus.Labels{"version": version},
+	}))
+}
diff --git a/node/node.go b/node/node.go
@@ -134,6 +134,7 @@ func New(cfg *Config, version string) (*Node, error) { //nolint:gocyclo,funlen
 		services = append(services, makeRPCOverWebsocket(cfg.WebsocketHost, cfg.WebsocketPort, rpcServers, log, cfg.Metrics))
 	}
 	if cfg.Metrics {
+		makeJunoMetrics(version)
 		database.WithListener(makeDBMetrics())
 		rpcMetrics, legacyRPCMetrics := makeRPCMetrics(path, legacyPath)
 		jsonrpcServer.WithListener(rpcMetrics)