From 4395e01bb9cd920b4d94d7e4f5e7bc4d3831a2f8 Mon Sep 17 00:00:00 2001
From: Ehsan Noureddin Moosa <ehsannm@users.noreply.github.com>
Date: Wed, 23 Nov 2022 19:18:12 +0300
Subject: [PATCH] Fix infinit prefix add to counter metrics

---
 exporters/prometheus/exporter.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/exporters/prometheus/exporter.go b/exporters/prometheus/exporter.go
index 2cb23cc19fb..75e29bb67c1 100644
--- a/exporters/prometheus/exporter.go
+++ b/exporters/prometheus/exporter.go
@@ -190,7 +190,7 @@ func addSumMetric[N int64 | float64](ch chan<- prometheus.Metric, sum metricdata
 	if !sum.IsMonotonic {
 		valueType = prometheus.GaugeValue
 	}
-	if sum.IsMonotonic {
+	if sum.IsMonotonic && !strings.HasSuffix(name, counterSuffix) {
 		// Add _total suffix for counters
 		name += counterSuffix
 	}