From be5fdab3aa417df4ffaaa901bbe9faa9ea07ca50 Mon Sep 17 00:00:00 2001
From: Ho Kim <ho.kim@ulagbulag.io>
Date: Thu, 18 Aug 2022 16:56:49 +0900
Subject: [PATCH] Disable DNSStubListener for Flatcar Linux (#9160)

* Disable DNSStubListener for Flatcar Linux

* Fix missing "Flatcar" condition of os_family
---
 roles/kubernetes/preinstall/templates/resolved.conf.j2 | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/roles/kubernetes/preinstall/templates/resolved.conf.j2 b/roles/kubernetes/preinstall/templates/resolved.conf.j2
index cfb924e47..72d4e3331 100644
--- a/roles/kubernetes/preinstall/templates/resolved.conf.j2
+++ b/roles/kubernetes/preinstall/templates/resolved.conf.j2
@@ -10,4 +10,8 @@ Domains={{ ([ 'default.svc.' + dns_domain, 'svc.' + dns_domain ] + searchdomains
 #MulticastDNS=no
 DNSSEC=no
 Cache=no-negative
+{% if ansible_os_family in ["Flatcar", "Flatcar Container Linux by Kinvolk"] %}
+DNSStubListener=no
+{% else %}
 #DNSStubListener=yes
+{% endif %}