From 8ed5decfe21ae45659dca2a4cfa7339bd8e34148 Mon Sep 17 00:00:00 2001
From: Marko Mikulicic <mmikulicic@gmail.com>
Date: Tue, 13 Dec 2022 14:39:23 +0100
Subject: [PATCH] Use TCP healthcheck in control plane LB (#18)

---
 samples/aws/k3s-template.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/samples/aws/k3s-template.yaml b/samples/aws/k3s-template.yaml
index f26173ea..3942a356 100644
--- a/samples/aws/k3s-template.yaml
+++ b/samples/aws/k3s-template.yaml
@@ -32,6 +32,9 @@ spec:
       availabilityZoneUsageLimit: 1
   region: ${AWS_REGION}
   sshKeyName: ${AWS_SSH_KEY_NAME}
+  controlPlaneLoadBalancer:
+    # k3s creates elliptic-curve keypair by default but ELB healthcheck TLS client doesn't support it.
+    healthCheckProtocol: TCP
 ---
 apiVersion: controlplane.cluster.x-k8s.io/v1beta1
 kind: KThreesControlPlane