Do not recreate cluster when no SG given

terraform-aws-modules · Mar 14, 2020 · b14e80d · b14e80d
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -9,7 +9,7 @@ project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [[v10.?.?](https://github.com/terraform-aws-modules/terraform-aws-eks/compare/v10.0.0...HEAD)] - 2020-xx-xx
 
-- Write your awesome change here (GH-xxxx)
+- Do not recreate cluster when no cluster security group is given (by @dpiddockcmp)
 
 ## History
 

diff --git a/cluster.tf b/cluster.tf
@@ -15,7 +15,7 @@ resource "aws_eks_cluster" "this" {
   tags                      = var.tags
 
   vpc_config {
-    security_group_ids      = [local.cluster_security_group_id]
+    security_group_ids      = compact([local.cluster_security_group_id])
     subnet_ids              = var.subnets
     endpoint_private_access = var.cluster_endpoint_private_access
     endpoint_public_access  = var.cluster_endpoint_public_access