nat.tf

# https://registry.terraform.io/providers/hashicorp/google/latest/docs/resources/compute_router_nat
resource "google_compute_router_nat" "nat" {
  name   = local.values.nat.name
  router = google_compute_router.router.name
  region = local.values.vpc.region

  source_subnetwork_ip_ranges_to_nat = "LIST_OF_SUBNETWORKS"
  nat_ip_allocate_option             = "MANUAL_ONLY"

  subnetwork {
    name                    = google_compute_subnetwork.private.id
    source_ip_ranges_to_nat = ["ALL_IP_RANGES"]
  }

  nat_ips = [google_compute_address.nat.self_link]
}

# https://registry.terraform.io/providers/hashicorp/google/latest/docs/resources/compute_address
resource "google_compute_address" "nat" {
  name         = local.values.nat.name
  address_type = "EXTERNAL"
  network_tier = "PREMIUM"

  depends_on = [google_project_service.compute]
}