From f53b31e030ea24769d80c54ac7201114da2a6f18 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lauri=20V=C3=B5sandi?= <lauri.vosandi@gmail.com>
Date: Sat, 24 Aug 2024 23:22:34 +0300
Subject: [PATCH] bind: Use topology spread constraint instead of anti affinity
 rules

---
 bind/bind-secondary.yaml | 17 +++++++----------
 1 file changed, 7 insertions(+), 10 deletions(-)

diff --git a/bind/bind-secondary.yaml b/bind/bind-secondary.yaml
index 249e838..2a49e74 100644
--- a/bind/bind-secondary.yaml
+++ b/bind/bind-secondary.yaml
@@ -76,16 +76,13 @@ spec:
                   name: bind-readonly-secret
         - name: bind-data
           emptyDir: {}
-      affinity:
-        podAntiAffinity:
-          requiredDuringSchedulingIgnoredDuringExecution:
-            - labelSelector:
-                matchExpressions:
-                  - key: app
-                    operator: In
-                    values:
-                      - bind-secondary
-              topologyKey: "kubernetes.io/hostname"
+      topologySpreadConstraints:
+        - maxSkew: 1
+          topologyKey: topology.kubernetes.io/zone
+          whenUnsatisfiable: DoNotSchedule
+          labelSelector:
+            matchLabels:
+              app: bind-secondary
 ---
 apiVersion: v1
 kind: Service