From f9c7ef7c00ab594a67af5a69acd906ffb51c77b3 Mon Sep 17 00:00:00 2001
From: Tom Hughes <tom@compton.nu>
Date: Wed, 8 Mar 2023 20:28:06 +0000
Subject: [PATCH] Add a packet loss alert

---
 .../prometheus/templates/default/alert_rules.yml.erb     | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/cookbooks/prometheus/templates/default/alert_rules.yml.erb b/cookbooks/prometheus/templates/default/alert_rules.yml.erb
index 239731607..b0094a83b 100644
--- a/cookbooks/prometheus/templates/default/alert_rules.yml.erb
+++ b/cookbooks/prometheus/templates/default/alert_rules.yml.erb
@@ -584,6 +584,15 @@ groups:
           alertgroup: "{{ $labels.instance }}"
         annotations:
           percentage_used: "{{ $value | humanizePercentage }}"
+  - name: smokeping
+    rules:
+      - alert: packet loss
+        expr: 100 - (rate(smokeping_response_duration_seconds_count[5m]) * 100 / rate(smokeping_requests_total[5m])) > 0
+        for: 5m
+        labels:
+          alertgroup: smokeping
+        annotations:
+          loss_rate: "{{ $value | humanizePercentage }}"
   - name: snmp
     rules:
       - alert: snmp pdus missing
-- 
2.39.5