From 8c1fa4b11cf513d1ee0810ef8d739e0c3d624082 Mon Sep 17 00:00:00 2001
From: Herve Nicol <12008875+hervenicol@users.noreply.github.com>
Date: Tue, 15 Oct 2024 15:30:35 +0200
Subject: [PATCH] Inhibit prometheas-agent alerts when a cluster has no worker
 nodes

---
 CHANGELOG.md                                                  | 4 ++++
 .../platform/atlas/alerting-rules/prometheus-agent.rules.yml  | 1 +
 2 files changed, 5 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7136d39c..fb0ee314 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Changed
+
+- Inhibit prometheas-agent alerts when a cluster has no worker nodes (AWS vintage only for now)
+
 ## [4.19.0] - 2024-10-15
 
 ### Added
diff --git a/helm/prometheus-rules/templates/platform/atlas/alerting-rules/prometheus-agent.rules.yml b/helm/prometheus-rules/templates/platform/atlas/alerting-rules/prometheus-agent.rules.yml
index 16772172..0dfbc0c9 100644
--- a/helm/prometheus-rules/templates/platform/atlas/alerting-rules/prometheus-agent.rules.yml
+++ b/helm/prometheus-rules/templates/platform/atlas/alerting-rules/prometheus-agent.rules.yml
@@ -51,6 +51,7 @@ spec:
         cancel_if_cluster_is_not_running_prometheus_agent: "true"
         cancel_if_cluster_status_creating: "true"
         cancel_if_cluster_status_deleting: "true"
+        cancel_if_cluster_has_no_workers: "true"
     ## Same as PrometheusAgentFailing, but triggers inhibition earlier and does not page.
     - alert: PrometheusAgentFailingInhibition
       annotations: