From 8448a44a5497c1c75d25c93da9b9bffb605fce81 Mon Sep 17 00:00:00 2001
From: ddomingu <ddomingu@users.noreply.github.com>
Date: Wed, 8 Jan 2025 22:29:42 +0100
Subject: [PATCH] Include anti-affinity rules when executing fio-distributed
 with VM workloads (#837)

---
 roles/fio_distributed/templates/server_vm.yml.j2 | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/roles/fio_distributed/templates/server_vm.yml.j2 b/roles/fio_distributed/templates/server_vm.yml.j2
index 8d42170b1..11256a261 100644
--- a/roles/fio_distributed/templates/server_vm.yml.j2
+++ b/roles/fio_distributed/templates/server_vm.yml.j2
@@ -43,6 +43,18 @@ spec:
     resources:
       requests:
         memory: {{ workload_args.vm_memory | default('5G') }}
+  affinity:
+    podAntiAffinity:
+      preferredDuringSchedulingIgnoredDuringExecution:
+      - weight: 100
+        podAffinityTerm:
+          labelSelector:
+            matchExpressions:
+            - key: app
+              operator: In
+              values:
+              - fio-benchmark-{{ trunc_uuid }}
+          topologyKey: "kubernetes.io/hostname"
   volumes:
     - name: registrydisk
       containerDisk: