From 78d2661c4a7fb2218c5795178a007020d78b56d2 Mon Sep 17 00:00:00 2001
From: friedrich goerz <friedrich.goerz@netgo.de>
Date: Mon, 7 Feb 2022 17:29:17 +0100
Subject: [PATCH] DEV-339: added anti-affinity-rule to improve distribution of
 ingress-controller pods

---
 roles/kubernetes/ingress-controller/defaults/main.yml | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/roles/kubernetes/ingress-controller/defaults/main.yml b/roles/kubernetes/ingress-controller/defaults/main.yml
index 0167dcc..8166a11 100644
--- a/roles/kubernetes/ingress-controller/defaults/main.yml
+++ b/roles/kubernetes/ingress-controller/defaults/main.yml
@@ -5,6 +5,16 @@ k8s_ingress_helm__release_namespace: "ingress"
 
 k8s_ingress_helm__release_values:
   controller:
+    affinity:
+      podAntiAffinity:
+        requiredDuringSchedulingIgnoredDuringExecution:
+        - labelSelector:
+            matchExpressions:
+            - key: app.kubernetes.io/name
+              operator: In
+              values:
+              - ingress-nginx
+          topologyKey: app.kubernetes.io/name
     replicaCount: 3
     config:
       compute-full-forwarded-for: "true"