tp_cloud/terraform/modules/network/outputs.tf

output "id_vpc" {
  value = google_compute_network.vpc.id
}

output "id_subnetwork" {
    value = {
        frontend = google_compute_subnetwork.frontend_subnet.id,
        backend = google_compute_subnetwork.backend_subnet.id,
        database = google_compute_subnetwork.database_subnet.id
    }
}