Create launch template for EKS node groups; disable IMDS

aws/cluster/modules/eks-node-group/main.tf

@@ -1,3 +1,10 @@
+resource "aws_launch_template" "this" {
+  name = "flightdeck-eks-launch-template"
+  metadata_options {
+    http_endpoint = "disabled"
+  }
+}
+
 resource "aws_eks_node_group" "this" {
   for_each = local.subnets
 
@@ -8,6 +15,10 @@ resource "aws_eks_node_group" "this" {
   node_role_arn   = var.role.arn
   subnet_ids      = [each.value.id]
 
+  launch_template {
+    id = aws_launch_template.this.id
+  }
+
   scaling_config {
     desired_size = local.min_size_per_node_group
     max_size     = local.max_size_per_node_group