From d9332ba6592812a836c19002049ed835ac2a9c25 Mon Sep 17 00:00:00 2001
From: ialidzhikov <i.alidjikov@gmail.com>
Date: Fri, 18 Aug 2023 12:30:29 +0300
Subject: [PATCH] Make the `gardener-extension-registry-cache-admission`
 Service topology-aware

Similar to https://github.com/gardener/gardener-extension-provider-aws/pull/732 and https://github.com/gardener/gardener-extension-provider-aws/pull/750
---
 .../admission/charts/runtime/templates/service.yaml   | 11 +++++++++++
 charts/admission/values.yaml                          |  3 +++
 2 files changed, 14 insertions(+)

diff --git a/charts/admission/charts/runtime/templates/service.yaml b/charts/admission/charts/runtime/templates/service.yaml
index fd76ba72..49225591 100644
--- a/charts/admission/charts/runtime/templates/service.yaml
+++ b/charts/admission/charts/runtime/templates/service.yaml
@@ -3,8 +3,19 @@ kind: Service
 metadata:
   name: {{ include "name" . }}
   namespace: {{ .Release.Namespace }}
+  annotations:
+    {{- if .Values.global.service.topologyAwareRouting.enabled }}
+    {{- if semverCompare ">= 1.27-0" .Capabilities.KubeVersion.GitVersion }}
+    service.kubernetes.io/topology-mode: "auto"
+    {{- else }}
+    service.kubernetes.io/topology-aware-hints: "auto"
+    {{- end }}
+    {{- end }}
   labels:
 {{ include "labels" . | indent 4 }}
+    {{- if .Values.global.service.topologyAwareRouting.enabled }}
+    endpoint-slice-hints.resources.gardener.cloud/consider: "true"
+    {{- end }}
 spec:
   type: ClusterIP
   selector:
diff --git a/charts/admission/values.yaml b/charts/admission/values.yaml
index bbbbaa42..5dcc79a8 100644
--- a/charts/admission/values.yaml
+++ b/charts/admission/values.yaml
@@ -41,3 +41,6 @@ global:
     enabled: false
     expirationSeconds: 43200
     audience: ""
+  service:
+    topologyAwareRouting:
+      enabled: false