# Create VPC and subnets

module "vpc-subnets" {
  source = "../../../modules/networking/vpc_subnets"

  application                      = var.application
  aws-region                       = var.aws-region
  customer-name                    = var.customer-name
  default-tags                     = local.default-tags
  environment                      = var.environment
  project                          = var.project
  vpc-cidr                         = "192.168.123.0/24"
  vpcflowlog-cwl-loggroup-key-arn  = ""
  number-of-private-subnets-per-az = 1
  number-of-public-subnets-per-az  = 1
  create-nat-gateway               = true
  create-free-vpc-endpoints        = true
  enable-flow-log                  = false
}

# secondary CIDR for EKS
# https://aws.amazon.com/premiumsupport/knowledge-center/eks-multiple-cidr-ranges/
resource "aws_vpc_ipv4_cidr_block_association" "secondary_cidr" {
  vpc_id     = module.vpc-subnets.vpc_id
  cidr_block = "100.64.0.0/16"
}

resource "aws_subnet" "cidr2-subnet1a" {
  vpc_id     = module.vpc-subnets.vpc_id
  cidr_block = "100.64.0.0/21"
  tags       = merge(local.default-tags, {"Name" : "${local.resource-prefix}-private-1a-eks"})
}

resource "aws_route_table_association" "cidr2-subnet1a-rtb-asso" {
  subnet_id      = aws_subnet.cidr2-subnet1a.id
  route_table_id = module.vpc-subnets.private-rtb-id
}

resource "aws_subnet" "cidr2-subnet1c" {
  vpc_id     = module.vpc-subnets.vpc_id
  cidr_block = "100.64.8.0/21"
  tags       = merge(local.default-tags, {"Name" : "${local.resource-prefix}-private-1c-eks"})
}

resource "aws_route_table_association" "cidr2-subnet1c-rtb-asso" {
  subnet_id      = aws_subnet.cidr2-subnet1c.id
  route_table_id = module.vpc-subnets.private-rtb-id
}

resource "aws_vpc_endpoint" "eks-vpcep" {
  vpc_id            = module.vpc-subnets.vpc_id
  service_name      = "com.amazonaws.${var.aws-region}.eks"
  vpc_endpoint_type = "Interface"
  tags              = merge(local.default-tags, { "Name" : "${local.resource-prefix}-vpcep-eks" })
}