From 91d2a723c9a6e7358f2555a1ef3d64f7ad1c9d28 Mon Sep 17 00:00:00 2001
From: YoonHyunWoo <yjs88zerg@gmail.com>
Date: Sat, 27 Apr 2024 16:33:25 +0900
Subject: [PATCH] Add DNS configuration options to Helm chart

---
 charts/aws-ebs-csi-driver/templates/controller.yaml | 8 ++++++++
 charts/aws-ebs-csi-driver/values.yaml               | 4 ++++
 2 files changed, 12 insertions(+)

diff --git a/charts/aws-ebs-csi-driver/templates/controller.yaml b/charts/aws-ebs-csi-driver/templates/controller.yaml
index f9eca67ff5..6407e9c44b 100644
--- a/charts/aws-ebs-csi-driver/templates/controller.yaml
+++ b/charts/aws-ebs-csi-driver/templates/controller.yaml
@@ -68,6 +68,14 @@ spec:
       initContainers:
         {{- toYaml . | nindent 8 }}
       {{- end }}
+      {{- if .Values.controller.dnsConfig }}
+      dnsConfig:
+        options:
+          {{- range .Values.controller.dnsConfig.options }}
+          - name: {{ .name }} 
+            value: "{{ .value }}"
+          {{- end }}
+      {{- end }}      
       containers:
         - name: ebs-plugin
           image: {{ printf "%s%s:%s" (default "" .Values.image.containerRegistry) .Values.image.repository (default (printf "v%s" .Chart.AppVersion) (.Values.image.tag | toString)) }}
diff --git a/charts/aws-ebs-csi-driver/values.yaml b/charts/aws-ebs-csi-driver/values.yaml
index ca9cea070a..9122701ebb 100644
--- a/charts/aws-ebs-csi-driver/values.yaml
+++ b/charts/aws-ebs-csi-driver/values.yaml
@@ -324,6 +324,10 @@ controller:
   otelTracing: {}
   #  otelServiceName: ebs-csi-controller
   #  otelExporterEndpoint: "http://localhost:4317"
+  dnsConfig:
+   options: 
+     - name : ndots
+       value : "5"
 
 node:
   env: []