aws-eks-self-hosted/vpc.tf at main · secoda/aws-eks-self-hosted · GitHub

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## VPC initialization

module "vpc" {
  source  = "terraform-aws-modules/vpc/aws"
  version = "~> 5.0"

  name = var.cluster_name
  cidr = var.vpc_cidr

  azs                 = var.vpc_azs
  private_subnets     = var.private_subnets
  public_subnets      = var.public_subnets
  database_subnets    = var.database_subnets
  elasticache_subnets = var.elasticache_subnets

  enable_nat_gateway   = true
  single_nat_gateway   = true
  enable_dns_hostnames = true

  create_database_subnet_group    = true
  create_elasticache_subnet_group = true

  enable_flow_log                      = var.enable_flow_log
  create_flow_log_cloudwatch_iam_role  = var.enable_flow_log
  create_flow_log_cloudwatch_log_group = var.enable_flow_log

  public_subnet_tags = {
    "kubernetes.io/cluster/${var.cluster_name}" = "shared"
    "kubernetes.io/role/elb"              = 1
  }

  private_subnet_tags = {
    "kubernetes.io/cluster/${var.cluster_name}" = "shared"
    "kubernetes.io/role/internal-elb"     = 1
  }

  tags = local.tags
}