From f54d6f341a6196c7dd6b8a732ddf641f4683de4a Mon Sep 17 00:00:00 2001
From: Horst Gutmann <horst.gutmann@grafana.com>
Date: Wed, 13 Sep 2023 10:53:45 +0200
Subject: [PATCH] fix: Disable tracing if OTEL_EXPORTER_OTLP_ENDPOINT is not
 set

---
 otel/otel.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/otel/otel.go b/otel/otel.go
index c616d1d8..32aa856d 100644
--- a/otel/otel.go
+++ b/otel/otel.go
@@ -17,6 +17,13 @@ import (
 )
 
 func Setup(ctx context.Context) func(context.Context) error {
+	endpoint := os.Getenv("OTEL_EXPORTER_OTLP_ENDPOINT")
+	if endpoint == "" {
+		log.Print("OTEL_EXPORTER_OTLP_ENDPOINT not set. Disabling tracing.")
+		return func(ctx context.Context) error {
+			return nil
+		}
+	}
 	client := otlptracehttp.NewClient()
 	exporter, err := otlptrace.New(ctx, client)
 	if err != nil {