From 769661e9db4272f8503714767003f84457f469cf Mon Sep 17 00:00:00 2001
From: Philip Laine <philip.laine@gmail.com>
Date: Mon, 28 Aug 2023 11:00:13 +0200
Subject: [PATCH] Set OS upgrade explicitly to Unmanaged (#1023)

---
 CHANGELOG.md             | 4 ++++
 modules/azure/aks/aks.tf | 2 ++
 2 files changed, 6 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index baf42557b..73578a77a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 - [#1024](https://github.com/XenitAB/terraform-modules/pull/1024) Update provider versions.
 
+### Added
+
+- [#1023](https://github.com/XenitAB/terraform-modules/pull/1023) Set OS upgrade explicitly to Unmanaged.
+
 ## 2023.08.1
 
 ### Added
diff --git a/modules/azure/aks/aks.tf b/modules/azure/aks/aks.tf
index 5561cac68..1a1e3ba53 100644
--- a/modules/azure/aks/aks.tf
+++ b/modules/azure/aks/aks.tf
@@ -32,6 +32,8 @@ resource "azurerm_kubernetes_cluster" "this" {
   oidc_issuer_enabled       = true
   workload_identity_enabled = true
 
+  node_os_channel_upgrade = "Unmanaged"
+
   auto_scaler_profile {
     # Pods should not depend on local storage like EmptyDir or HostPath
     skip_nodes_with_local_storage = false