From e282a4bc68978b332f00b98dcb92d14d6adf9267 Mon Sep 17 00:00:00 2001
From: Kevin Meredith <kemeredith@caesars.com>
Date: Sat, 7 Jan 2023 23:25:57 -0500
Subject: [PATCH] don't add method or status label if already present, case
 insensitive

---
 .../scala/sttp/client3/prometheus/PrometheusBackend.scala     | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/observability/prometheus-backend/src/main/scala/sttp/client3/prometheus/PrometheusBackend.scala b/observability/prometheus-backend/src/main/scala/sttp/client3/prometheus/PrometheusBackend.scala
index c2242c4f94..4d4436e809 100644
--- a/observability/prometheus-backend/src/main/scala/sttp/client3/prometheus/PrometheusBackend.scala
+++ b/observability/prometheus-backend/src/main/scala/sttp/client3/prometheus/PrometheusBackend.scala
@@ -79,7 +79,7 @@ object PrometheusBackend {
     */
   def addLabelPairs(config: BaseCollectorConfig, req: Request[_, _], maybeResp: Option[Response[_]]): config.T = {
     val methodLabel: Option[(String, String)] = {
-      if (config.labels.map(_._1).contains("method")) {
+      if (config.labels.map(_._1.toLowerCase).contains("method")) {
         None
       } else {
         Some {
@@ -89,7 +89,7 @@ object PrometheusBackend {
     }
 
     val statusLabel: Option[(String, String)] = {
-      if (config.labels.map(_._1).contains("status")) {
+      if (config.labels.map(_._1.toLowerCase).contains("status")) {
         None
       } else {
         maybeResp.map { r => ("status", mapStatusToLabelValue(r.code)) }