From 55591b314610a95fc20f29c99f7c8f0647696777 Mon Sep 17 00:00:00 2001
From: Julian Labus <julian@labus-online.de>
Date: Wed, 7 Nov 2018 13:01:36 +0100
Subject: [PATCH] Role service-prometheus: add alert if no traffic is seen on a
 fastd interface

---
 playbooks/prometheus/alert.rules | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/playbooks/prometheus/alert.rules b/playbooks/prometheus/alert.rules
index 7cf1f74..6c75986 100644
--- a/playbooks/prometheus/alert.rules
+++ b/playbooks/prometheus/alert.rules
@@ -100,3 +100,12 @@ groups:
       description: 'A systemd service changed its state more than 5x/5min or 15x/1h'
       summary: 'Instance {{ $labels.instance }}: Service {{ $labels.name }} is flapping'
       value: '{{ $labels.name }}'
+
+- name: fastd
+  rules:
+  - alert: NoTraffic
+    expr: fastd_tx_bytes{interface!~".*-1312"} == 0
+    for: 5m
+    annotations:
+      description: 'No TX data was seen on a fastd interface for more than 5 minutes'
+      summary: 'Instance {{ $labels.instance }}: No traffic on {{ $labels.interface }}'