Merge pull request #132 from aws/fix-format

In Version 2.51.0 Of Prometheus FmtText Was Made Lower Case
aws · Apr 23, 2024 · 63baeae · 63baeae
2 parents 033ad14 + ae946c8
commit 63baeae
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/plugins/serializers/prometheus/prometheus.go b/plugins/serializers/prometheus/prometheus.go
@@ -59,7 +59,8 @@ func (s *Serializer) SerializeBatch(metrics []telegraf.Metric) ([]byte, error) {
 
 	var buf bytes.Buffer
 	for _, mf := range coll.GetProto() {
-		enc := expfmt.NewEncoder(&buf, expfmt.FmtText)
+		format := expfmt.Format(`text/plain; version=` + `0.0.4` + `; charset=utf-8`)
+		enc := expfmt.NewEncoder(&buf, format)
 		err := enc.Encode(mf)
 		if err != nil {
 			return nil, err