From 3a7cc58d4a53fd9975e7b94e8eee8fd8c94318f8 Mon Sep 17 00:00:00 2001
From: Marek Skrobacki <marek.skrobacki@rackspace.co.uk>
Date: Thu, 7 Aug 2025 13:55:34 +0100
Subject: [PATCH] rabbitmq: ensure that pods are spread across multiple hosts

---
 .../templates/openstack-cluster.yaml.tpl          | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/components/openstack/templates/openstack-cluster.yaml.tpl b/components/openstack/templates/openstack-cluster.yaml.tpl
index 4f52d1923..ecf37c9af 100644
--- a/components/openstack/templates/openstack-cluster.yaml.tpl
+++ b/components/openstack/templates/openstack-cluster.yaml.tpl
@@ -9,6 +9,21 @@ metadata:
 spec:
   replicas: 3
   persistence: {{ .Values.rabbitmq.persistence | toJson }}
+  affinity:
+    nodeAffinity:
+      requiredDuringSchedulingIgnoredDuringExecution:
+        nodeSelectorTerms:
+          - matchExpressions:
+              - key: openstack-control-plane
+                operator: In
+                values:
+                  - enabled
+    podAntiAffinity:
+        requiredDuringSchedulingIgnoredDuringExecution:
+        - labelSelector:
+            matchLabels:
+              app.kubernetes.io/name: rabbitmq
+          topologyKey: kubernetes.io/hostname
 ---
 apiVersion: policy/v1
 kind: PodDisruptionBudget