From 609a0d27e0d0495b0f5a054cee82446292cf4a72 Mon Sep 17 00:00:00 2001
From: Yoriyasu Yano <430092+yorinasub17@users.noreply.github.com>
Date: Tue, 20 Jul 2021 11:40:51 -0500
Subject: [PATCH] Add support for k8s v 1.21

---
 eks/sync.go | 28 +++++++++++++++++-----------
 1 file changed, 17 insertions(+), 11 deletions(-)

diff --git a/eks/sync.go b/eks/sync.go
index bedaef2..5dc8d30 100644
--- a/eks/sync.go
+++ b/eks/sync.go
@@ -30,9 +30,11 @@ import (
 
 var (
 	// NOTE: Ensure that there is an entry for each supported version in the following tables.
-	supportedVersions = []string{"1.20", "1.19", "1.18", "1.17", "1.16"}
+	supportedVersions = []string{"1.21", "1.20", "1.19", "1.18", "1.17", "1.16"}
 
+	// Reference: https://docs.aws.amazon.com/eks/latest/userguide/managing-coredns.html
 	coreDNSVersionLookupTable = map[string]string{
+		"1.21": "1.8.3-eksbuild.1",
 		"1.20": "1.8.3-eksbuild.1",
 		"1.19": "1.8.0-eksbuild.1",
 		"1.18": "1.7.0-eksbuild.1",
@@ -40,20 +42,24 @@ var (
 		"1.16": "1.6.6-eksbuild.1",
 	}
 
+	// Reference: https://docs.aws.amazon.com/eks/latest/userguide/managing-kube-proxy.html#updating-kube-proxy-add-on
 	kubeProxyVersionLookupTable = map[string]string{
-		"1.20": "1.20.4-eksbuild.1",
-		"1.19": "1.19.6-eksbuild.1",
-		"1.18": "1.18.8-eksbuild.1",
-		"1.17": "1.17.9-eksbuild.1",
-		"1.16": "1.16.13-eksbuild.1",
+		"1.21": "1.21.2-eksbuild.2",
+		"1.20": "1.20.4-eksbuild.2",
+		"1.19": "1.19.6-eksbuild.2",
+		"1.18": "1.18.8-eksbuild.2",
+		"1.17": "1.17.9-eksbuild.2",
+		"1.16": "1.16.13-eksbuild.2",
 	}
 
+	// Reference: https://docs.aws.amazon.com/eks/latest/userguide/managing-vpc-cni.html
 	amazonVPCCNIVersionLookupTable = map[string]string{
-		"1.20": "1.7.5",
-		"1.19": "1.7.5",
-		"1.18": "1.7.5",
-		"1.17": "1.7.5",
-		"1.16": "1.7.5",
+		"1.21": "1.8.0",
+		"1.20": "1.8.0",
+		"1.19": "1.8.0",
+		"1.18": "1.8.0",
+		"1.17": "1.8.0",
+		"1.16": "1.8.0",
 	}
 )