fix: regression, don't overwrite constLabels (#330)

burningalchemist · Sep 20, 2023 · 2f6e229 · 2f6e229
1 parent 1eedd19
commit 2f6e229
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/target.go b/target.go
@@ -58,7 +58,9 @@ func NewTarget(
 ) {
 	if name != "" {
 		logContext = fmt.Sprintf("%s, target=%q", logContext, name)
-		constLabels = prometheus.Labels{"instance": name}
+		if constLabels == nil {
+			constLabels = prometheus.Labels{"instance": name}
+		}
 	}
 
 	constLabelPairs := make([]*dto.LabelPair, 0, len(constLabels))