Remove SchemaConfigModeAttr (#11506) (#19207)

[upstream:93bcf85b934cdfdc5d45ae2f876118ab8dd8d3e9]

Signed-off-by: Modular Magician <magic-modules@google.com>

.changelog/11506.txt

@@ -0,0 +1,18 @@
+```release-note:breaking-change
+composer: `ip_allocation_policy = []` in `google_composer_environment` is no longer valid configuration. Removing the field from configuration should not produce a diff.
+```
+```release-note:breaking-change
+compute: `secondary_ip_ranges = []` in `google_compute_subnetwork` is no longer valid configuration. To set an explicitly empty list, use `send_secondary_ip_range_if_empty` and completely remove `secondary_ip_range` from config.
+```
+```release-note:breaking-change
+compute: `guest_accelerator = []` is no longer valid configuration in `google_compute_instance`. To explicitly set an empty list of objects, set guest_accelerator.count = 0.
+```
+```release-note:breaking-change
+compute: `google_compute_instance_from_template` and `google_compute_instance_from_machine_image` `network_interface.alias_ip_range, network_interface.access_config, attached_disk, guest_accelerator, service_account, scratch_disk` can no longer be set to an empty block `[]`. Removing the fields from configuration should not produce a diff.
+```
+```release-note:breaking-change
+container: `guest_accelerator = []` is no longer valid configuration in `google_container_cluster` and `google_container_node_pool`. To explicitly set an empty list of objects, set guest_accelerator.count = 0.
+```
+```release-note:breaking-change
+container: `guest_accelerator.gpu_driver_installation_config = []` and `guest_accelerator.gpu_sharing_config = []` are no longer valid configuration in `google_container_cluster` and `google_container_node_pool`. Removing the fields from configuration should not produce a diff.
+```

google/services/composer/resource_composer_environment.go

@@ -290,7 +290,6 @@ func ResourceComposerEnvironment() *schema.Resource {
 										Optional:    true,
 										Computed:    true,
 										ForceNew:    true,
-										ConfigMode:  schema.SchemaConfigModeAttr,
 										MaxItems:    1,
 										Description: `Configuration for controlling how IPs are allocated in the GKE cluster. Cannot be updated.`,
 										Elem: &schema.Resource{

google/services/compute/resource_compute_instance.go

@@ -629,7 +629,6 @@ func ResourceComputeInstance() *schema.Resource {
 				Optional:    true,
 				Computed:    true,
 				ForceNew:    true,
-				ConfigMode:  schema.SchemaConfigModeAttr,
 				Description: `List of the type and count of accelerator cards attached to the instance.`,
 				Elem: &schema.Resource{
 					Schema: map[string]*schema.Schema{

google/services/compute/resource_compute_instance_from_template.go

@@ -48,17 +48,6 @@ func computeInstanceFromTemplateSchema() map[string]*schema.Schema {
 		s[field].Optional = true
 	}
 
-	// schema.SchemaConfigModeAttr allows these fields to be removed in Terraform 0.12.
-	// Passing field_name = [] in this mode differentiates between an intentionally empty
-	// block vs an ignored computed block.
-	nic := s["network_interface"].Elem.(*schema.Resource)
-	nic.Schema["alias_ip_range"].ConfigMode = schema.SchemaConfigModeAttr
-	nic.Schema["access_config"].ConfigMode = schema.SchemaConfigModeAttr
-
-	for _, field := range []string{"attached_disk", "guest_accelerator", "service_account", "scratch_disk"} {
-		s[field].ConfigMode = schema.SchemaConfigModeAttr
-	}
-
 	// Remove deprecated/removed fields that are never d.Set. We can't
 	// programmatically remove all of them, because some of them still have d.Set
 	// calls.

google/services/compute/resource_compute_instance_from_template_test.go

@@ -243,49 +243,6 @@ func TestAccComputeInstanceFromTemplate_overrideScheduling(t *testing.T) {
 	})
 }
 
-func TestAccComputeInstanceFromTemplate_012_removableFields(t *testing.T) {
-	t.Parallel()
-
-	var instance compute.Instance
-	instanceName := fmt.Sprintf("tf-test-%s", acctest.RandString(t, 10))
-	templateName := fmt.Sprintf("tf-test-%s", acctest.RandString(t, 10))
-	resourceName := "google_compute_instance_from_template.inst"
-
-	// First config is a basic instance from template, second tests the empty list syntax
-	config1 := testAccComputeInstanceFromTemplate_012_removableFieldsTpl(templateName) +
-		testAccComputeInstanceFromTemplate_012_removableFields1(instanceName)
-	config2 := testAccComputeInstanceFromTemplate_012_removableFieldsTpl(templateName) +
-		testAccComputeInstanceFromTemplate_012_removableFields2(instanceName)
-
-	acctest.VcrTest(t, resource.TestCase{
-		PreCheck:                 func() { acctest.AccTestPreCheck(t) },
-		ProtoV5ProviderFactories: acctest.ProtoV5ProviderFactories(t),
-		CheckDestroy:             testAccCheckComputeInstanceFromTemplateDestroyProducer(t),
-		Steps: []resource.TestStep{
-			{
-				Config: config1,
-				Check: resource.ComposeTestCheckFunc(
-					testAccCheckComputeInstanceExists(t, resourceName, &instance),
-
-					resource.TestCheckResourceAttr(resourceName, "service_account.#", "1"),
-					resource.TestCheckResourceAttr(resourceName, "service_account.0.scopes.#", "3"),
-				),
-			},
-			{
-				Config: config2,
-				Check: resource.ComposeTestCheckFunc(
-					testAccCheckComputeInstanceExists(t, resourceName, &instance),
-
-					// Check that fields were able to be removed
-					resource.TestCheckResourceAttr(resourceName, "scratch_disk.#", "0"),
-					resource.TestCheckResourceAttr(resourceName, "attached_disk.#", "0"),
-					resource.TestCheckResourceAttr(resourceName, "network_interface.0.alias_ip_range.#", "0"),
-				),
-			},
-		},
-	})
-}
-
 func TestAccComputeInstanceFromTemplate_overrideMetadataDotStartupScript(t *testing.T) {
 	var instance compute.Instance
 	instanceName := fmt.Sprintf("tf-test-%s", acctest.RandString(t, 10))
@@ -973,84 +930,6 @@ resource "google_compute_instance_from_template" "inst" {
 `, templateDisk, template, instance)
 }
 
-func testAccComputeInstanceFromTemplate_012_removableFieldsTpl(template string) string {
-
-	return fmt.Sprintf(`
-data "google_compute_image" "my_image" {
-  family  = "debian-11"
-  project = "debian-cloud"
-}
-
-resource "google_compute_instance_template" "foobar" {
-  name         = "%s"
-  machine_type = "e2-medium"
-
-  disk {
-    source_image = data.google_compute_image.my_image.self_link
-    auto_delete  = true
-    disk_size_gb = 20
-    boot         = true
-  }
-
-  network_interface {
-    network = "default"
-  }
-
-  metadata = {
-    foo = "bar"
-  }
-
-  service_account {
-    scopes = ["userinfo-email", "compute-ro", "storage-ro"]
-  }
-
-  can_ip_forward = true
-}
-`, template)
-}
-
-func testAccComputeInstanceFromTemplate_012_removableFields1(instance string) string {
-	return fmt.Sprintf(`
-resource "google_compute_instance_from_template" "inst" {
-  name = "%s"
-  zone = "us-central1-a"
-
-  allow_stopping_for_update = true
-
-  source_instance_template = google_compute_instance_template.foobar.self_link
-}
-`, instance)
-}
-
-func testAccComputeInstanceFromTemplate_012_removableFields2(instance string) string {
-	return fmt.Sprintf(`
-resource "google_compute_instance_from_template" "inst" {
-  name = "%s"
-  zone = "us-central1-a"
-
-  allow_stopping_for_update = true
-
-  source_instance_template = google_compute_instance_template.foobar.self_link
-
-  // Overrides
-  network_interface {
-    alias_ip_range = []
-  }
-
-  service_account = []
-
-  scratch_disk = []
-
-  attached_disk = []
-
-  timeouts {
-    create = "10m"
-    update = "10m"
-  }
-}
-`, instance)
-}
-
 func testAccComputeInstanceFromTemplate_overrideMetadataDotStartupScript(instance, template string) string {
 	return fmt.Sprintf(`
 data "google_compute_image" "my_image" {

google/services/compute/resource_compute_instance_test.go

@@ -1731,20 +1731,6 @@ func TestAccComputeInstance_guestAcceleratorSkip(t *testing.T) {
 					testAccCheckComputeInstanceLacksGuestAccelerator(&instance),
 				),
 			},
-			// Recreate with guest_accelerator = []
-			{
-				Config: testAccComputeInstance_guestAcceleratorEmptyBlock(instanceName),
-				Check: resource.ComposeTestCheckFunc(
-					testAccCheckComputeInstanceExists(t, "google_compute_instance.foobar", &instance),
-					testAccCheckComputeInstanceLacksGuestAccelerator(&instance),
-				),
-			},
-			// Check that count = 0 is the same as empty block []
-			{
-				Config:             testAccComputeInstance_guestAccelerator(instanceName, 0),
-				ExpectNonEmptyPlan: false,
-				PlanOnly:           true,
-			},
 		},
 	})
 
@@ -6526,38 +6512,6 @@ resource "google_compute_instance" "foobar" {
 `, instance, count)
 }
 
-func testAccComputeInstance_guestAcceleratorEmptyBlock(instance string) string {
-	return fmt.Sprintf(`
-data "google_compute_image" "my_image" {
-  family  = "debian-11"
-  project = "debian-cloud"
-}
-
-resource "google_compute_instance" "foobar" {
-  name         = "%s"
-  machine_type = "n1-standard-1"   // can't be e2 because of guest_accelerator
-  zone         = "us-east1-d"
-
-  boot_disk {
-    initialize_params {
-      image = data.google_compute_image.my_image.self_link
-    }
-  }
-
-  network_interface {
-    network = "default"
-  }
-
-  scheduling {
-    # Instances with guest accelerators do not support live migration.
-    on_host_maintenance = "TERMINATE"
-  }
-
-  guest_accelerator = []
-}
-`, instance)
-}
-
 func testAccComputeInstance_minCpuPlatform(instance string) string {
 	return fmt.Sprintf(`
 data "google_compute_image" "my_image" {

google/services/compute/resource_compute_subnetwork.go

@@ -283,10 +283,9 @@ An 'ACTIVE' subnetwork is one that is currently being used for Envoy-based load
 A 'BACKUP' subnetwork is one that is ready to be promoted to 'ACTIVE' or is currently draining. Possible values: ["ACTIVE", "BACKUP"]`,
 			},
 			"secondary_ip_range": {
-				Type:       schema.TypeList,
-				Computed:   true,
-				Optional:   true,
-				ConfigMode: schema.SchemaConfigModeAttr,
+				Type:     schema.TypeList,
+				Computed: true,
+				Optional: true,
 				Description: `An array of configurations for secondary IP ranges for VM instances
 contained in this subnetwork. The primary IP of such VM must belong
 to the primary ipCidrRange of the subnetwork. The alias IPs may belong

google/services/compute/resource_compute_subnetwork_test.go

@@ -185,14 +185,6 @@ func TestAccComputeSubnetwork_secondaryIpRanges(t *testing.T) {
 					testAccCheckComputeSubnetworkHasSecondaryIpRange(&subnetwork, "tf-test-secondary-range-update2", "192.168.11.0/24"),
 				),
 			},
-			{
-				Config: testAccComputeSubnetwork_secondaryIpRanges_update4(cnName, subnetworkName),
-				Check: resource.ComposeTestCheckFunc(
-					testAccCheckComputeSubnetworkExists(t, "google_compute_subnetwork.network-with-private-secondary-ip-ranges", &subnetwork),
-					testAccCheckComputeSubnetworkHasNotSecondaryIpRange(&subnetwork, "tf-test-secondary-range-update1", "192.168.10.0/24"),
-					testAccCheckComputeSubnetworkHasNotSecondaryIpRange(&subnetwork, "tf-test-secondary-range-update2", "192.168.11.0/24"),
-				),
-			},
 			{
 				Config: testAccComputeSubnetwork_secondaryIpRanges_update1(cnName, subnetworkName),
 				Check: resource.ComposeTestCheckFunc(
@@ -241,12 +233,6 @@ func TestAccComputeSubnetwork_secondaryIpRanges_sendEmpty(t *testing.T) {
 					testAccCheckComputeSubnetworkHasNotSecondaryIpRange(&subnetwork, "tf-test-secondary-range-update1", "192.168.10.0/24"),
 				),
 			},
-			// Check that empty block secondary_ip_range = [] is not different
-			{
-				Config:             testAccComputeSubnetwork_sendEmpty_emptyBlock(cnName, subnetworkName, "true"),
-				PlanOnly:           true,
-				ExpectNonEmptyPlan: false,
-			},
 			// Apply two secondary_ip_range
 			{
 				Config: testAccComputeSubnetwork_sendEmpty_double(cnName, subnetworkName, "true"),
@@ -279,14 +265,6 @@ func TestAccComputeSubnetwork_secondaryIpRanges_sendEmpty(t *testing.T) {
 				PlanOnly:           true,
 				ExpectNonEmptyPlan: false,
 			},
-			// Remove with empty block []
-			{
-				Config: testAccComputeSubnetwork_sendEmpty_emptyBlock(cnName, subnetworkName, "true"),
-				Check: resource.ComposeTestCheckFunc(
-					testAccCheckComputeSubnetworkExists(t, "google_compute_subnetwork.network-with-private-secondary-ip-ranges", &subnetwork),
-					testAccCheckComputeSubnetworkHasNotSecondaryIpRange(&subnetwork, "tf-test-secondary-range-update1", "192.168.10.0/24"),
-				),
-			},
 		},
 	})
 }
@@ -688,23 +666,6 @@ resource "google_compute_subnetwork" "network-with-private-secondary-ip-ranges"
 `, cnName, subnetworkName)
 }
 
-func testAccComputeSubnetwork_secondaryIpRanges_update4(cnName, subnetworkName string) string {
-	return fmt.Sprintf(`
-resource "google_compute_network" "custom-test" {
-  name                    = "%s"
-  auto_create_subnetworks = false
-}
-
-resource "google_compute_subnetwork" "network-with-private-secondary-ip-ranges" {
-  name               = "%s"
-  ip_cidr_range      = "10.2.0.0/16"
-  region             = "us-central1"
-  network            = google_compute_network.custom-test.self_link
-  secondary_ip_range = []
-}
-`, cnName, subnetworkName)
-}
-
 func testAccComputeSubnetwork_sendEmpty_removed(cnName, subnetworkName, sendEmpty string) string {
 	return fmt.Sprintf(`
 resource "google_compute_network" "custom-test" {
@@ -722,24 +683,6 @@ resource "google_compute_subnetwork" "network-with-private-secondary-ip-ranges"
 `, cnName, subnetworkName, sendEmpty)
 }
 
-func testAccComputeSubnetwork_sendEmpty_emptyBlock(cnName, subnetworkName, sendEmpty string) string {
-	return fmt.Sprintf(`
-resource "google_compute_network" "custom-test" {
-  name                    = "%s"
-  auto_create_subnetworks = false
-}
-
-resource "google_compute_subnetwork" "network-with-private-secondary-ip-ranges" {
-  name               = "%s"
-  ip_cidr_range      = "10.2.0.0/16"
-  region             = "us-central1"
-  network            = google_compute_network.custom-test.self_link
-  secondary_ip_range = []
-  send_secondary_ip_range_if_empty = "%s"
-}
-`, cnName, subnetworkName, sendEmpty)
-}
-
 func testAccComputeSubnetwork_sendEmpty_single(cnName, subnetworkName, sendEmpty string) string {
 	return fmt.Sprintf(`
 resource "google_compute_network" "custom-test" {

google/services/container/node_config.go

@@ -128,13 +128,10 @@ func schemaNodeConfig() *schema.Schema {
 				},
 
 				"guest_accelerator": {
-					Type:     schema.TypeList,
-					Optional: true,
-					Computed: true,
-					ForceNew: true,
-					// Legacy config mode allows removing GPU's from an existing resource
-					// See https://www.terraform.io/docs/configuration/attr-as-blocks.html
-					ConfigMode:  schema.SchemaConfigModeAttr,
+					Type:        schema.TypeList,
+					Optional:    true,
+					Computed:    true,
+					ForceNew:    true,
 					Description: `List of the type and count of accelerator cards attached to the instance.`,
 					Elem: &schema.Resource{
 						Schema: map[string]*schema.Schema{
@@ -157,7 +154,6 @@ func schemaNodeConfig() *schema.Schema {
 								Optional:    true,
 								Computed:    true,
 								ForceNew:    true,
-								ConfigMode:  schema.SchemaConfigModeAttr,
 								Description: `Configuration for auto installation of GPU driver.`,
 								Elem: &schema.Resource{
 									Schema: map[string]*schema.Schema{
@@ -182,7 +178,6 @@ func schemaNodeConfig() *schema.Schema {
 								MaxItems:    1,
 								Optional:    true,
 								ForceNew:    true,
-								ConfigMode:  schema.SchemaConfigModeAttr,
 								Description: `Configuration for GPU sharing.`,
 								Elem: &schema.Resource{
 									Schema: map[string]*schema.Schema{