#pr-reviews (2023-03)

module "eks_windows_node_group" {
  # source  = "cloudposse/eks-node-group/aws"
  # version = "2.6.1"
  source = "github.com/ChrisMcKee/terraform-aws-eks-node-group"

  instance_types     = ["t3.large", "t3a.large", "c5.large", "c6i.large", "m6i.large", "r6i.large"]
  subnet_ids         = [data.terraform_remote_state.network.outputs.private_subnets[1]]
  min_size           = 1
  max_size           = 1
  desired_size       = 1
  cluster_name       = module.eks_cluster.eks_cluster_id
  kubernetes_version = var.kubernetes_version == null || var.kubernetes_version == "" ? [] : [var.kubernetes_version]
  kubernetes_labels  = var.labels

  ami_type = "WINDOWS_CORE_2019_x86_64"

  update_config = [{ max_unavailable = 1 }]

  capacity_type = "SPOT"

  kubernetes_taints = [{
    key    = "OS"
    value  = "Windows"
    effect = "NO_SCHEDULE"
  }]

  node_role_arn                = [aws_iam_role.worker_role_nt.arn]
  node_role_cni_policy_enabled = false #We use the Service Account as per best practice

  associated_security_group_ids = [data.terraform_remote_state.network.outputs.ops_ssh, aws_security_group.workers.id]

  # Enable the Kubernetes cluster auto-scaler to find the auto-scaling group
  cluster_autoscaler_enabled = true

  context = module.windowslabel.context

  # Ensure the cluster is fully created before trying to add the node group
  module_depends_on = [module.eks_cluster.kubernetes_config_map_id]

  # Ensure ordering of resource creation to eliminate the race conditions when applying the Kubernetes Auth ConfigMap.
  # Do not create Node Group before the EKS cluster is created and the `aws-auth` Kubernetes ConfigMap is applied.
  depends_on = [module.eks_cluster, module.eks_cluster.kubernetes_config_map_id]

  create_before_destroy = true

  node_role_policy_arns = ["arn:aws:iam::aws:policy/AmazonSSMManagedInstanceCore"]

  block_device_mappings = [
    {
      "delete_on_termination" : true,
      "device_name" : "/dev/xvda",
      "encrypted" : true,
      "volume_size" : 80,
      "volume_type" : "gp3"
    }
  ]

  node_group_terraform_timeouts = [{
    create = "40m"
    update = null
    delete = "20m"
  }]

  #Valid types are "instance", "volume", "elastic-gpu", "spot-instances-request", "network-interface".
  resources_to_tag = ["instance", "volume", "spot-instances-request", "network-interface"]
}