From 463d554b8b64f537692e2caeacd6468f49c9b9dd Mon Sep 17 00:00:00 2001
From: Thomas Roehl <Thomas.Roehl@googlemail.com>
Date: Wed, 4 May 2022 14:32:34 +0200
Subject: [PATCH] Use second add_tags/del_tags only if metric gets renamed

---
 internal/metricRouter/metricRouter.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/internal/metricRouter/metricRouter.go b/internal/metricRouter/metricRouter.go
index 330c02c..62ada72 100644
--- a/internal/metricRouter/metricRouter.go
+++ b/internal/metricRouter/metricRouter.go
@@ -287,10 +287,10 @@ func (r *metricRouter) Start() {
 		if new, ok := r.config.RenameMetrics[name]; ok {
 			point.SetName(new)
 			point.AddMeta("oldname", name)
+			r.DoAddTags(point)
+			r.DoDelTags(point)
 		}
 
-		r.DoAddTags(point)
-		r.DoDelTags(point)
 		r.prepareUnit(point)
 
 		for _, o := range r.outputs {