terraform {
  required_version = ">= 0.12.0"
}

provider "aws" {
  version = ">= 2.11"
  region  = var.region
}

provider "random" {
  version = "~> 2.1"
}

provider "local" {
  version = "~> 1.2"
}

provider "null" {
  version = "~> 2.1"
}

provider "template" {
  version = "~> 2.1"
}

data "aws_availability_zones" "available" {
}

locals {
  cluster_name = "test-eks-spot-${random_string.suffix.result}"
}

resource "random_string" "suffix" {
  length  = 8
  special = false
}

module "vpc" {
  source  = "terraform-aws-modules/vpc/aws"
  version = "2.6.0"

  name           = "test-vpc-spot"
  cidr           = "10.0.0.0/16"
  azs            = data.aws_availability_zones.available.names
  public_subnets = ["10.0.4.0/24", "10.0.5.0/24", "10.0.6.0/24"]

  tags = {
    "kubernetes.io/cluster/${local.cluster_name}" = "shared"
  }
}

module "eks" {
  source       = "../.."
  cluster_name = local.cluster_name
  subnets      = module.vpc.public_subnets
  vpc_id       = module.vpc.vpc_id

  worker_groups_launch_template_mixed = [
    {
      name                    = "spot-1"
      override_instance_types = ["m5.large", "c5.large", "t3.large", "r5.large"]
      spot_instance_pools     = 4
      asg_max_size            = 5
      asg_desired_capacity    = 5
      kubelet_extra_args      = "--node-labels=kubernetes.io/lifecycle=spot"
      public_ip               = true
    },
  ]
}