terraform-aws-eks/modules/node_groups/locals.tf

locals {
  # Merge defaults and per-group values to make code cleaner
  node_groups_expanded = { for k, v in var.node_groups : k => merge(
    {
      desired_capacity        = var.workers_group_defaults["asg_desired_capacity"]
      iam_role_arn            = var.default_iam_role_arn
      instance_types          = [var.workers_group_defaults["instance_type"]]
      key_name                = var.workers_group_defaults["key_name"]
      launch_template_id      = var.workers_group_defaults["launch_template_id"]
      launch_template_version = var.workers_group_defaults["launch_template_version"]
      max_capacity            = var.workers_group_defaults["asg_max_size"]
      min_capacity            = var.workers_group_defaults["asg_min_size"]
      subnets                 = var.workers_group_defaults["subnets"]
    },
    var.node_groups_defaults,
    v,
  ) if var.create_eks }
}