From e5f7caa577403b67040945c2c6dda8856219badf Mon Sep 17 00:00:00 2001
From: Sven Rebhan <36194019+srebhan@users.noreply.github.com>
Date: Mon, 24 Feb 2025 18:58:29 +0100
Subject: [PATCH] fix(agent): Add authorization and user-agent when watching
 remote configs (#16546)

---
 cmd/telegraf/telegraf.go | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/cmd/telegraf/telegraf.go b/cmd/telegraf/telegraf.go
index fb5de806b..ee8391280 100644
--- a/cmd/telegraf/telegraf.go
+++ b/cmd/telegraf/telegraf.go
@@ -273,9 +273,20 @@ func (*Telegraf) watchRemoteConfigs(ctx context.Context, signals chan os.Signal,
 			return
 		case <-ticker.C:
 			for _, configURL := range remoteConfigs {
-				resp, err := http.Head(configURL) //nolint:gosec // user provided URL
+				req, err := http.NewRequest("HEAD", configURL, nil)
 				if err != nil {
-					log.Printf("W! Error fetching config URL, %s: %s\n", configURL, err)
+					log.Printf("W! Creating request for fetching config from %q failed: %v\n", configURL, err)
+					continue
+				}
+
+				if v, exists := os.LookupEnv("INFLUX_TOKEN"); exists {
+					req.Header.Add("Authorization", "Token "+v)
+				}
+				req.Header.Set("User-Agent", internal.ProductToken())
+
+				resp, err := http.DefaultClient.Do(req)
+				if err != nil {
+					log.Printf("W! Fetching config from %q failed: %v\n", configURL, err)
 					continue
 				}
 				resp.Body.Close()