From 45baa6aad0b3d48a9e3f62e1f5c04298b1ef4d4f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dani=C3=ABl=20van=20Eeden?= <git@myname.nl>
Date: Tue, 25 Jan 2022 21:03:09 +0200
Subject: [PATCH] Add Amazon Linux 2 as supported OS

---
 pkg/cluster/operation/check.go | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/pkg/cluster/operation/check.go b/pkg/cluster/operation/check.go
index d0c3b20e8c..25808fb5b4 100644
--- a/pkg/cluster/operation/check.go
+++ b/pkg/cluster/operation/check.go
@@ -165,6 +165,14 @@ func checkOSInfo(opt *CheckOptions, osInfo *sysinfo.OS) *CheckResult {
 
 	// check OS vendor
 	switch osInfo.Vendor {
+	case "amzn":
+		// Amazon Linux 2 is based on CentOS 7 and is recommended for
+		// AWS Graviton 2 (ARM64) deployments.
+		if ver, _ := strconv.ParseFloat(osInfo.Version, 64); ver < 2 || ver >= 3 {
+			result.Err = fmt.Errorf("%s %s not supported, use version 2 please",
+				osInfo.Name, osInfo.Release)
+			return result
+		}
 	case "centos", "redhat", "rhel":
 		// check version
 		// CentOS 8 is known to be not working, and we don't have plan to support it