add an environment variable to control if auto scaler get deployed; add a env variable in PR run in spacelift to skip it for now

Author: Lingling Peng

modules/sage-aws-k8s-node-autoscaler/main.tf

@@ -103,25 +103,8 @@ resource "helm_release" "ocean-kubernetes-controller" {
   }
 }
 
-
-# -----------patch-------------------------
-# --- Discover the current cluster version ---
-data "aws_eks_cluster" "this" {
-  name = var.cluster_name
-}
-
-locals {
-  # Use var.cluster_version if set, else detect from live cluster
-  k8s_version = coalesce(var.cluster_version, data.aws_eks_cluster.this.version)
-}
-
-# --- Lookup recommended AL2 AMI from SSM ---
-data "aws_ssm_parameter" "eks_worker_ami" {
-  name = "/aws/service/eks/optimized-ami/${local.k8s_version}/amazon-linux-2/recommended/image_id"
-}
-# -----------patch-------------------------
-
 module "ocean-aws-k8s" {
+  count  = var.enable_autoscaler ? 1 : 0
   source  = "spotinst/ocean-aws-k8s/spotinst"
   version = "1.4.0"
 

modules/sage-aws-k8s-node-autoscaler/variables.tf

@@ -54,3 +54,8 @@ variable "single_az" {
   description = "Single AZ"
   type        = bool
 }
+
+variable "enable_autoscaler" {
+  type    = bool
+  default = true
+}