From 2c7d60267e3b64e95072d6ae6a8fb993b707e516 Mon Sep 17 00:00:00 2001
From: Jirka Kremser <jiri.kremser@gmail.com>
Date: Tue, 30 Jan 2024 15:43:15 +0100
Subject: [PATCH] Allow to change dnsPolicy of ExternalDNS deployment

Signed-off-by: Jirka Kremser <jiri.kremser@gmail.com>
---
 chart/k8gb/templates/external-dns/external-dns.yaml | 1 +
 chart/k8gb/values.schema.json                       | 4 ++++
 chart/k8gb/values.yaml                              | 2 ++
 3 files changed, 7 insertions(+)

diff --git a/chart/k8gb/templates/external-dns/external-dns.yaml b/chart/k8gb/templates/external-dns/external-dns.yaml
index f331c723d2..cab0ba8d10 100644
--- a/chart/k8gb/templates/external-dns/external-dns.yaml
+++ b/chart/k8gb/templates/external-dns/external-dns.yaml
@@ -50,6 +50,7 @@ spec:
           - mountPath: /etc/krb5.conf
             name: kerberos-config-volume
             subPath: krb5.conf
+      dnsPolicy: {{ .Values.externaldns.dnsPolicy }}
       volumes:
         - name: kerberos-config-volume
           configMap:
diff --git a/chart/k8gb/values.schema.json b/chart/k8gb/values.schema.json
index 72b6589b0c..0a77226432 100644
--- a/chart/k8gb/values.schema.json
+++ b/chart/k8gb/values.schema.json
@@ -110,6 +110,10 @@
             "type": "object",
             "additionalProperties": false,
             "properties": {
+                "dnsPolicy": {
+                    "type": "string",
+                    "minLength": 1
+                },
                 "image": {
                     "type": "string",
                     "minLength": 1
diff --git a/chart/k8gb/values.yaml b/chart/k8gb/values.yaml
index b294f67a26..6e487d2bae 100644
--- a/chart/k8gb/values.yaml
+++ b/chart/k8gb/values.yaml
@@ -54,6 +54,8 @@ k8gb:
     enabled: false
 
 externaldns:
+  # -- `.spec.template.spec.dnsPolicy` for ExternalDNS deployment
+  dnsPolicy: "ClusterFirst"
   # -- external-dns image repo:tag
   # It is important to use the image from k8gb external-dns fork to get the full
   # functionality. See links below