From 3439cf39dd53691c5408542b31869813f3099e27 Mon Sep 17 00:00:00 2001
From: Andrei Kvapil <kvapss@gmail.com>
Date: Mon, 6 May 2024 12:56:04 +0200
Subject: [PATCH] Add basic topologySpreadConstraints

---
 packages/extra/etcd/templates/etcd-cluster.yaml | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/packages/extra/etcd/templates/etcd-cluster.yaml b/packages/extra/etcd/templates/etcd-cluster.yaml
index 0434c148..42e05950 100644
--- a/packages/extra/etcd/templates/etcd-cluster.yaml
+++ b/packages/extra/etcd/templates/etcd-cluster.yaml
@@ -12,6 +12,15 @@ spec:
       serverSecret: etcd-server-tls
       clientTrustedCASecret: etcd-ca-tls
       clientSecret: etcd-client-tls
+  podTemplate:
+    spec:
+      topologySpreadConstraints:
+      - maxSkew: 1
+        topologyKey: "kubernetes.io/hostname"
+        whenUnsatisfiable: ScheduleAnyway
+        labelSelector:
+          matchLabels:
+            app.kubernetes.io/instance: etcd
 ---
 apiVersion: cert-manager.io/v1
 kind: Issuer