From c03fb497d5b3353e5825a17289f86cd5a30e3a62 Mon Sep 17 00:00:00 2001
From: Oliver <oliver@21zoo.com>
Date: Sat, 14 Mar 2020 15:12:01 -0400
Subject: [PATCH] use strKey

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

diff --git a/exporter.go b/exporter.go
index da1cbf4d..19535eb3 100644
--- a/exporter.go
+++ b/exporter.go
@@ -650,7 +650,7 @@ func (e *Exporter) extractConfigMetrics(ch chan<- prometheus.Metric, config []st
 		}
 
 		if val, err := strconv.ParseFloat(strVal, 64); err == nil {
-			e.registerConstMetricGauge(ch, fmt.Sprintf("config_%s", config[pos*2]), val)
+			e.registerConstMetricGauge(ch, fmt.Sprintf("config_%s", strKey), val)
 		}
 	}
 	return