Update lustre instance datasource tests to use bootstrapped network (#14696) (#10443)

[upstream:c1142d4272eea794095ec32ed02430cd6af03473]

Signed-off-by: Modular Magician <[email protected]>

Author: modular-magician

google-beta/services/lustre/data_source_lustre_instance_test.go

@@ -27,6 +27,7 @@ func TestAccLustreInstanceDatasource_basic(t *testing.T) {
 	t.Parallel()
 
 	context := map[string]interface{}{
+		"network_name":  acctest.BootstrapSharedTestNetwork(t, "default-vpc"),
 		"random_suffix": acctest.RandString(t, 10),
 	}
 
@@ -57,36 +58,21 @@ resource "google_lustre_instance" "instance" {
   location                    = "us-central1-a"
   filesystem                  = "testfs"
   capacity_gib                = 18000
-  network                     = google_compute_network.producer_net.id
+  network                     = data.google_compute_network.lustre-network.id
   gke_support_enabled         = false
   per_unit_storage_throughput = 1000   
-  depends_on                   = [ google_service_networking_connection.service_con ]
 }
 
-resource "google_compute_subnetwork" "producer_subnet" {
-  name                    = "tf-test-my-subnet-%{random_suffix}"
-  ip_cidr_range           = "10.0.0.248/29"
-  region                  = "us-central1"
-  network                 = google_compute_network.producer_net.id
-}
-
-resource "google_compute_network" "producer_net" {
-  name                    = "tf-test-my-network-%{random_suffix}"
-  auto_create_subnetworks = false
-}
-
-resource "google_compute_global_address" "private_ip_alloc" {
-  name                    = "private-ip-alloc-%{random_suffix}"
-  purpose                 = "VPC_PEERING"
-  address_type            = "INTERNAL"
-  prefix_length           = 16
-  network                 = google_compute_network.producer_net.id
-}
-
-resource "google_service_networking_connection" "service_con" {
-  network                 = google_compute_network.producer_net.id
-  service                 = "servicenetworking.googleapis.com"
-  reserved_peering_ranges = [google_compute_global_address.private_ip_alloc.name]
+// This example assumes this network already exists.
+// The API creates a tenant network per network authorized for a
+// Lustre instance and that network is not deleted when the user-created
+// network (authorized_network) is deleted, so this prevents issues
+// with tenant network quota.
+// If this network hasn't been created and you are using this example in your
+// config, add an additional network resource or change
+// this from "data"to "resource"
+data "google_compute_network" "lustre-network" {
+  name = "%{network_name}"
 }
 
 data "google_lustre_instance" "default" {