From be03d36a040e6bba3e6f6502b80574ec356c75d3 Mon Sep 17 00:00:00 2001
From: Julien Lecomte <julien@lecomte.at>
Date: Wed, 13 Jul 2022 10:52:40 +0200
Subject: [PATCH] Add blackbox configuration reload alert

---
 dist/rules/blackbox/blackbox-exporter.yml | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/dist/rules/blackbox/blackbox-exporter.yml b/dist/rules/blackbox/blackbox-exporter.yml
index 10c6290..9d00c86 100644
--- a/dist/rules/blackbox/blackbox-exporter.yml
+++ b/dist/rules/blackbox/blackbox-exporter.yml
@@ -13,6 +13,15 @@ groups:
         summary: Blackbox probe failed (instance {{ $labels.instance }})
         description: "Probe failed\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
 
+    - alert: BlackboxConfigurationReloadFailure
+      expr: blackbox_exporter_config_last_reload_successful != 1
+      for: 0m
+      labels:
+        severity: warning
+      annotations:
+        summary: Blackbox configuration reload failure (instance {{ $labels.instance }})
+        description: "Blackbox configuration reload error\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
+
     - alert: BlackboxSlowProbe
       expr: 'avg_over_time(probe_duration_seconds[1m]) > 1'
       for: 1m