terraform/modules/network/network.tf

/**
 * Copyright 2020 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

module "vpc" {
  depends_on = [
    module.enabled_shared_vpc_apis,
    module.enabled_service_project_apis
  ]
  source  = "terraform-google-modules/network/google"
  version = "~> 9.2.0"

  project_id   = var.vpc_project_id
  network_name = var.vpc_name
  routing_mode = "GLOBAL"

  subnets = local.nested_subnets

  secondary_ranges = local.nested_secondary_subnets
}

# Cloud NAT Module
module "cluster_nat" {
  depends_on = [module.vpc]
  for_each   = local.distinct_cluster_regions

  source                             = "terraform-google-modules/cloud-nat/google"
  version                            = "~> 5.0"
  create_router                      = true
  project_id                         = var.project_id
  region                             = each.key
  router                             = "gke-toolkit-rtr-${each.key}"
  network                            = local.vpc_selflink
  source_subnetwork_ip_ranges_to_nat = "ALL_SUBNETWORKS_ALL_PRIMARY_IP_RANGES"
}