Add Keyper count and threshold to batch config metric

Author: ulope

rolling-shutter/keyper/keypermetrics/metrics.go

@@ -87,7 +87,8 @@ var MetricsKeyperBatchConfigInfo = prometheus.NewGaugeVec(
 		Name:      "batch_config_info",
 		Help:      "Information about the batch configuration in use",
 	},
-	[]string{"batch_config_index", "keyper_addresses"})
+	[]string{"batch_config_index", "keyper_addresses", "keyper_count", "threshold"},
+)
 
 var MetricsKeyperDKGStatus = prometheus.NewGaugeVec(
 	prometheus.GaugeOpts{
@@ -199,7 +200,12 @@ func InitMetrics(dbpool *pgxpool.Pool, config kprconfig.Config) {
 
 			// Join keyper addresses for the label
 			keyperAddresses := strings.Join(batchConfig.Keypers, ",")
-			MetricsKeyperBatchConfigInfo.WithLabelValues(batchConfigIndexStr, keyperAddresses).Set(1)
+
+			keyperCount := strconv.Itoa(len(batchConfig.Keypers))
+
+			threshold := strconv.FormatInt(int64(batchConfig.Threshold), 10)
+
+			MetricsKeyperBatchConfigInfo.WithLabelValues(batchConfigIndexStr, keyperAddresses, keyperCount, threshold).Set(1)
 
 			// Check if current node is a keyper in this batch config
 			isKeyper := false

rolling-shutter/keyper/smobserver/smstate.go

@@ -273,7 +273,12 @@ func (st *ShuttermintState) handleBatchConfig(
 	for _, k := range e.Keypers {
 		keypers = append(keypers, shdb.EncodeAddress(k))
 	}
-	keypermetrics.MetricsKeyperBatchConfigInfo.WithLabelValues(strconv.FormatUint(e.KeyperConfigIndex, 10), strings.Join(keypers, ",")).Set(1)
+	keypermetrics.MetricsKeyperBatchConfigInfo.WithLabelValues(
+		strconv.FormatUint(e.KeyperConfigIndex, 10),
+		strings.Join(keypers, ","),
+		strconv.Itoa(len(e.Keypers)),
+		strconv.FormatUint(e.Threshold, 10),
+	).Set(1)
 	if err := queries.InsertBatchConfig(
 		ctx,
 		database.InsertBatchConfigParams{