Enabling empty value send for fleet default member config in google_g…

…ke_hub_feature (#10963)

Co-authored-by: Shuya Ma <[email protected]>

mmv1/products/gkehub2/Feature.yaml

@@ -258,6 +258,7 @@ properties:
   - !ruby/object:Api::Type::NestedObject
     name: fleetDefaultMemberConfig
     description: Optional. Fleet Default Membership Configuration.
+    send_empty_value: true
     properties:
       - !ruby/object:Api::Type::NestedObject
         name: mesh

mmv1/third_party/terraform/services/gkehub2/resource_gke_hub_feature_test.go.erb

@@ -380,6 +380,22 @@ func TestAccGKEHubFeature_FleetDefaultMemberConfigServiceMesh(t *testing.T) {
 				ImportState:       true,
 				ImportStateVerify: true,
 			},
+			{
+				Config: testAccGKEHubFeature_FleetDefaultMemberConfigServiceMeshRemovalUpdate(context),
+			},
+			{
+				ResourceName:      "google_gke_hub_feature.feature",
+				ImportState:       true,
+				ImportStateVerify: true,
+			},
+			{
+				Config: testAccGKEHubFeature_FleetDefaultMemberConfigServiceMeshReAddUpdate(context),
+			},
+			{
+				ResourceName:      "google_gke_hub_feature.feature",
+				ImportState:       true,
+				ImportStateVerify: true,
+			},
 		},
 	})
 }
@@ -416,6 +432,33 @@ resource "google_gke_hub_feature" "feature" {
 `, context)
 }
 
+func testAccGKEHubFeature_FleetDefaultMemberConfigServiceMeshRemovalUpdate(context map[string]interface{}) string {
+	return gkeHubFeatureProjectSetupForGA(context) + acctest.Nprintf(`
+resource "google_gke_hub_feature" "feature" {
+  name = "servicemesh"
+  location = "global"
+  depends_on = [google_project_service.anthos, google_project_service.gkehub, google_project_service.mesh]
+  project = google_project.project.project_id
+}
+`, context)
+}
+
+func testAccGKEHubFeature_FleetDefaultMemberConfigServiceMeshReAddUpdate(context map[string]interface{}) string {
+	return gkeHubFeatureProjectSetupForGA(context) + acctest.Nprintf(`
+resource "google_gke_hub_feature" "feature" {
+  name = "servicemesh"
+  location = "global"
+  fleet_default_member_config {
+    mesh {
+      management = "MANAGEMENT_MANUAL"
+    }
+  }
+  depends_on = [google_project_service.anthos, google_project_service.gkehub, google_project_service.mesh]
+  project = google_project.project.project_id
+}
+`, context)
+}
+
 func TestAccGKEHubFeature_FleetDefaultMemberConfigConfigManagement(t *testing.T) {
 	// VCR fails to handle batched project services
 	acctest.SkipIfVcr(t)

mmv1/third_party/tgc/tests/data/example_gke_hub_feature.json

@@ -9,11 +9,12 @@
             "discovery_name": "Feature",
             "parent": "//cloudresourcemanager.googleapis.com/projects/{{.Provider.project}}",
             "data": {
+                "fleetDefaultMemberConfig": null,
                 "labels": {
                     "foo": "bar"
                 }
             }
         },
         "ancestors": ["organizations/{{.OrgID}}"]
     }
-]
+]