From 39d0708b8a5a0178340869028643ecdd68cbb6af Mon Sep 17 00:00:00 2001
From: "andrii.k" <andriikrymus@gmail.com>
Date: Wed, 26 Jun 2024 14:55:03 +0300
Subject: [PATCH] [stable/node-local-dns] add noIPv6Lookups config option
 (#587)

* add noIPv6Lookups config option

* update indent
---
 stable/node-local-dns/Chart.yaml              |  2 +-
 stable/node-local-dns/README.md               |  3 ++-
 .../node-local-dns/templates/configmap.yaml   | 20 +++++++++++++++++++
 stable/node-local-dns/values.yaml             |  3 +++
 4 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/stable/node-local-dns/Chart.yaml b/stable/node-local-dns/Chart.yaml
index f87be234..1ded92f0 100644
--- a/stable/node-local-dns/Chart.yaml
+++ b/stable/node-local-dns/Chart.yaml
@@ -1,6 +1,6 @@
 apiVersion: v2
 name: node-local-dns
-version: 2.0.12-1
+version: 2.0.13-1
 appVersion: 1.23.1
 maintainers:
 - name: gabrieladt
diff --git a/stable/node-local-dns/README.md b/stable/node-local-dns/README.md
index 549e7ecd..03a36de7 100644
--- a/stable/node-local-dns/README.md
+++ b/stable/node-local-dns/README.md
@@ -1,6 +1,6 @@
 # node-local-dns
 
-![Version: 2.0.12](https://img.shields.io/badge/Version-2.0.12-informational?style=flat-square) ![AppVersion: 1.23.1](https://img.shields.io/badge/AppVersion-1.23.1-informational?style=flat-square)
+![Version: 2.0.13](https://img.shields.io/badge/Version-2.0.13-informational?style=flat-square) ![AppVersion: 1.23.1](https://img.shields.io/badge/AppVersion-1.23.1-informational?style=flat-square)
 
 A chart to install node-local-dns.
 
@@ -58,6 +58,7 @@ helm install my-release deliveryhero/node-local-dns -f values.yaml
 | config.healthPort | int | `8080` |  |
 | config.localDns | string | `"169.254.20.25"` |  |
 | config.logging | bool | `false` |  |
+| config.noIPv6Lookups | bool | `false` |  |
 | config.prefetch.amount | int | `3` |  |
 | config.prefetch.duration | string | `"30s"` |  |
 | config.prefetch.enabled | bool | `false` |  |
diff --git a/stable/node-local-dns/templates/configmap.yaml b/stable/node-local-dns/templates/configmap.yaml
index 8df2dc56..c8c983d8 100644
--- a/stable/node-local-dns/templates/configmap.yaml
+++ b/stable/node-local-dns/templates/configmap.yaml
@@ -30,6 +30,11 @@ data:
         forward . __PILLAR__CLUSTER__DNS__ {
                 {{ .Values.config.commProtocol }}
         }
+    {{- if .Values.config.noIPv6Lookups }}
+        template IN AAAA {
+                rcode NOERROR
+        }
+    {{- end }}
         prometheus :9253
     {{- if .Values.config.logging }}
         log
@@ -55,6 +60,11 @@ data:
         forward . __PILLAR__CLUSTER__DNS__ {
                 {{ .Values.config.commProtocol }}
         }
+    {{- if .Values.config.noIPv6Lookups }}
+        template IN AAAA {
+                rcode NOERROR
+        }
+    {{- end }}
         prometheus :9253
     {{- if .Values.config.logging }}
         log
@@ -79,6 +89,11 @@ data:
         forward . __PILLAR__CLUSTER__DNS__ {
                 {{ .Values.config.commProtocol }}
         }
+    {{- if .Values.config.noIPv6Lookups }}
+        template IN AAAA {
+                rcode NOERROR
+        }
+    {{- end }}
         prometheus :9253
     {{- if .Values.config.logging }}
         log
@@ -104,6 +119,11 @@ data:
         prometheus :9253
     {{- if .Values.config.logging }}
         log
+    {{- end }}
+    {{- if .Values.config.noIPv6Lookups }}
+        template IN AAAA {
+                rcode NOERROR
+        }
     {{- end }}
         }
     {{ end }}
diff --git a/stable/node-local-dns/values.yaml b/stable/node-local-dns/values.yaml
index 6c1af40d..9d42d667 100644
--- a/stable/node-local-dns/values.yaml
+++ b/stable/node-local-dns/values.yaml
@@ -22,6 +22,9 @@ config:
   # Set communication protocol. Options are `prefer_udp` or `force_tcp`
   commProtocol: "force_tcp"
 
+  # If true, return NOERROR when attempting to resolve an IPv6 address
+  noIPv6Lookups: false
+
   # If enabled, coredns will prefetch popular items when they are about to be expunged from the cache. https://coredns.io/plugins/cache/
   prefetch:
     enabled: false