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Enable EKS API auth mode by default #20

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Merged
larryl3u merged 1 commit into from
May 23, 2026
Merged

Enable EKS API auth mode by default #20

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5 changes: 5 additions & 0 deletions terraform-modules/movement-validator-infra/eks.tf
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Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,11 @@ resource "aws_eks_cluster" "main" {
role_arn = aws_iam_role.cluster.arn
version = var.kubernetes_version

access_config {
authentication_mode = var.cluster_authentication_mode
bootstrap_cluster_creator_admin_permissions = true
}

vpc_config {
subnet_ids = local.control_plane_subnet_ids
endpoint_private_access = true
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11 changes: 11 additions & 0 deletions terraform-modules/movement-validator-infra/variables.tf
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Expand Up @@ -14,6 +14,17 @@ variable "kubernetes_version" {
default = "1.35"
}

variable "cluster_authentication_mode" {
description = "EKS cluster authentication mode. One of CONFIG_MAP (legacy, aws-auth ConfigMap only), API_AND_CONFIG_MAP (recommended; supports both AWS Access Entries and aws-auth), or API (Access Entries only). Switching is one-way: CONFIG_MAP → API_AND_CONFIG_MAP → API."
type = string
default = "API_AND_CONFIG_MAP"

validation {
condition = contains(["CONFIG_MAP", "API_AND_CONFIG_MAP", "API"], var.cluster_authentication_mode)
error_message = "cluster_authentication_mode must be one of CONFIG_MAP, API_AND_CONFIG_MAP, or API."
}
}

variable "private_subnet_ids" {
description = "Private subnet IDs for node group"
type = list(string)
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