From 3d4baea01c2af2f8174fc64a24a2768c4b2dbb96 Mon Sep 17 00:00:00 2001
From: SOPHAL HONG <dev.sophal@gmail.com>
Date: Wed, 13 Apr 2022 02:05:23 +0900
Subject: [PATCH] Add tag to AWS VPC subnets for automatic subnet discovery by
 load balancers or ingress controllers (#8705)

---
 contrib/terraform/aws/modules/vpc/main.tf | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/contrib/terraform/aws/modules/vpc/main.tf b/contrib/terraform/aws/modules/vpc/main.tf
index ef9110fab..9cd8b521d 100644
--- a/contrib/terraform/aws/modules/vpc/main.tf
+++ b/contrib/terraform/aws/modules/vpc/main.tf
@@ -31,7 +31,8 @@ resource "aws_subnet" "cluster-vpc-subnets-public" {
 
   tags = merge(var.default_tags, tomap({
     Name = "kubernetes-${var.aws_cluster_name}-${element(var.aws_avail_zones, count.index)}-public"
-    "kubernetes.io/cluster/${var.aws_cluster_name}" = "member"
+    "kubernetes.io/cluster/${var.aws_cluster_name}" = "shared"
+    "kubernetes.io/role/elb" = "1"
   }))
 }
 
@@ -49,6 +50,8 @@ resource "aws_subnet" "cluster-vpc-subnets-private" {
 
   tags = merge(var.default_tags, tomap({
     Name = "kubernetes-${var.aws_cluster_name}-${element(var.aws_avail_zones, count.index)}-private"
+    "kubernetes.io/cluster/${var.aws_cluster_name}" = "shared"
+    "kubernetes.io/role/internal-elb" = "1"
   }))
 }