bind: Use topology spread constraint instead of anti affinity rules

bind/bind-secondary.yaml

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