From 30d9ed72032cb7d93fd2d27974ecd0086b94a9e0 Mon Sep 17 00:00:00 2001
From: Matt Riben <matt.riben@swirldslabs.com>
Date: Sat, 26 Oct 2024 20:18:27 -0500
Subject: [PATCH] disable caching for authoritative zone

Signed-off-by: Matt Riben <matt.riben@swirldslabs.com>
---
 cmd/kubeadm/app/phases/addons/dns/dns_test.go  | 15 ++++++++++++---
 cmd/kubeadm/app/phases/addons/dns/manifests.go |  5 +++++
 2 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/cmd/kubeadm/app/phases/addons/dns/dns_test.go b/cmd/kubeadm/app/phases/addons/dns/dns_test.go
index fc7b35137c9..5c4925a705b 100644
--- a/cmd/kubeadm/app/phases/addons/dns/dns_test.go
+++ b/cmd/kubeadm/app/phases/addons/dns/dns_test.go
@@ -184,7 +184,10 @@ func TestCreateCoreDNSAddon(t *testing.T) {
     forward . /etc/resolv.conf {
        max_concurrent 1000
     }
-    cache 30
+    cache 30 {
+       disable success cluster.local
+       disable denial cluster.local
+    }
     loop
     reload
     loadbalance
@@ -228,7 +231,10 @@ func TestCreateCoreDNSAddon(t *testing.T) {
     forward . /etc/resolv.conf {
        max_concurrent 1000
     }
-    cache 30
+    cache 30 {
+       disable success cluster.local
+       disable denial cluster.local
+    }
     loop
     reload
     loadbalance
@@ -314,7 +320,10 @@ func TestCreateCoreDNSAddon(t *testing.T) {
     forward . /etc/resolv.conf {
        max_concurrent 1000
     }
-    cache 30
+    cache 30 {
+       disable success cluster.local
+       disable denial cluster.local
+    }
     loop
     reload
     loadbalance
diff --git a/cmd/kubeadm/app/phases/addons/dns/manifests.go b/cmd/kubeadm/app/phases/addons/dns/manifests.go
index 905a2e050e6..1358733b5be 100644
--- a/cmd/kubeadm/app/phases/addons/dns/manifests.go
+++ b/cmd/kubeadm/app/phases/addons/dns/manifests.go
@@ -178,6 +178,11 @@ data:
            max_concurrent 1000
         }
         cache 30
+        {{- if .DNSDomain }} {
+           disable success {{ .DNSDomain }}
+           disable denial {{ .DNSDomain }}
+        }
+        {{- end }}
         loop
         reload
         loadbalance