From f133ae05701f6741d4c8753dca48e2ceade5b061 Mon Sep 17 00:00:00 2001
From: Ilya Mashchenko <ilya@netdata.cloud>
Date: Sat, 6 Jan 2024 19:25:02 +0200
Subject: health: add httpcheck bad header alert (#16736)

---
 health/health.d/httpcheck.conf | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/health/health.d/httpcheck.conf b/health/health.d/httpcheck.conf
index da5dec797a..3d32dedbf4 100644
--- a/health/health.d/httpcheck.conf
+++ b/health/health.d/httpcheck.conf
@@ -42,6 +42,21 @@ component: HTTP endpoint
      info: Percentage of HTTP responses from ${label:url} with unexpected status in the last 5 minutes
        to: webmaster
 
+ template: httpcheck_web_service_bad_header
+       on: httpcheck.status
+    class: Errors
+     type: Web Server
+component: HTTP endpoint
+   lookup: average -5m unaligned percentage of bad_header
+    every: 10s
+    units: %
+     warn: $this >= 10 AND $this < 40
+     crit: $this >= 40
+    delay: down 5m multiplier 1.5 max 1h
+  summary: HTTP check for ${label:url} unexpected header
+     info: Percentage of HTTP responses from ${label:url} with unexpected header in the last 5 minutes
+       to: webmaster
+
  template: httpcheck_web_service_timeouts
        on: httpcheck.status
     class: Latency
-- 
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