Merge pull request #313 from bitcoin-sv/fix/prometheus-server

Fix prometheus server

main.go

@@ -119,16 +119,18 @@ func run() error {
 		}
 	}()
 
-	prometheusAddr := viper.GetString("prometheusAddr")
-	prometheusEndpoint := viper.GetString("prometheusEndpoint")
-	if prometheusEndpoint != "" && prometheusAddr != "" {
-		logger.Info("Starting prometheus", slog.String("endpoint", prometheusEndpoint))
-		http.Handle(prometheusEndpoint, promhttp.Handler())
-		err = http.ListenAndServe(prometheusAddr, nil)
-		if err != nil {
-			logger.Error("failed to start prometheus server", slog.String("err", err.Error()))
+	go func() {
+		prometheusAddr := viper.GetString("prometheusAddr")
+		prometheusEndpoint := viper.GetString("prometheusEndpoint")
+		if prometheusEndpoint != "" && prometheusAddr != "" {
+			logger.Info("Starting prometheus", slog.String("endpoint", prometheusEndpoint))
+			http.Handle(prometheusEndpoint, promhttp.Handler())
+			err = http.ListenAndServe(prometheusAddr, nil)
+			if err != nil {
+				logger.Error("failed to start prometheus server", slog.String("err", err.Error()))
+			}
 		}
-	}
+	}()
 
 	tracingOn := viper.GetBool("tracing")
 	if (useTracer != nil && *useTracer) || tracingOn {

test/config/config.yaml

@@ -4,6 +4,7 @@ logFormat: tint # format of logging. Value can be one of text | json | tint
 profilerAddr: localhost:9999 # address to start profiler server on
 statisticsServerAddress: localhost:9005 # address to start statistics server on
 prometheusEndpoint: /metrics # endpoint for prometheus metrics
+prometheusAddr: :2112
 tracing: true # enable trancing
 grpcMessageSize: 100000000 # maximum grpc message size
 network: regtest # bitcoin network to connect to