Fix IsDefaultNSXProject always returning false after SDK field rename

Use Cluster.HttpGet to read the "default" field directly from the NSX
REST API JSON response, bypassing the SDK struct deserialization which
cannot populate the unexported model.Project._Default field.

Co-Authored-By: Oz <oz-agent@warp.dev>
Change-Id: I79cfd117c95abe17ef7032525e69cd1695e8822e

Author: zhengxiexie

pkg/nsx/services/vpc/vpc.go

@@ -4,10 +4,8 @@ import (
 	"context"
 	"errors"
 	"fmt"
-	"reflect"
 	"strings"
 	"sync"
-	"unsafe"
 
 	stderrors "github.com/vmware/vsphere-automation-sdk-go/lib/vapi/std/errors"
 	"github.com/vmware/vsphere-automation-sdk-go/services/nsxt/model"
@@ -1168,27 +1166,21 @@ func IsPreCreatedVPC(nc *v1alpha1.VPCNetworkConfiguration) bool {
 	return nc.Spec.VPC != ""
 }
 
-func getProjectDefault(p *model.Project) *bool {
-	v := reflect.ValueOf(p).Elem()
-	f := v.FieldByName("_Default")
-	if !f.IsValid() {
-		return nil
-	}
-
-	ptr := unsafe.Pointer(f.UnsafeAddr())
-	return *(**bool)(ptr) // read *bool safely
-}
-
-// IsDefaultNSXProject checks if the given project is a default project
+// IsDefaultNSXProject checks if the given project is an NSX default project.
+// It queries the NSX Policy API directly and reads the "default" field from the
+// JSON response, bypassing the Go SDK struct deserialization which cannot populate
+// the unexported model.Project._Default field (CanSet=false for unexported fields).
 func (s *VPCService) IsDefaultNSXProject(orgID, projectID string) (bool, error) {
-	proj, err := s.NSXClient.ProjectClient.Get(orgID, projectID, nil)
+	url := fmt.Sprintf("policy/api/v1/orgs/%s/projects/%s", orgID, projectID)
+	resp, err := s.NSXClient.Cluster.HttpGet(url)
 	if err != nil {
-		log.Error(err, "Failed to get project", "ProjectID", projectID)
+		log.Error(err, "Failed to get project from NSX", "OrgID", orgID, "ProjectID", projectID)
 		return false, err
 	}
-	defaultVal := getProjectDefault(&proj)
-	if defaultVal != nil && *defaultVal {
-		return true, nil
+	if defaultVal, ok := resp["default"]; ok {
+		if boolVal, ok := defaultVal.(bool); ok {
+			return boolVal, nil
+		}
 	}
 	return false, nil
 }

pkg/nsx/services/vpc/vpc_test.go

@@ -7,16 +7,13 @@ import (
 	"reflect"
 	"strings"
 	"testing"
-	"unsafe"
 
 	"github.com/agiledragon/gomonkey/v2"
 	"github.com/golang/mock/gomock"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	"github.com/vmware/vsphere-automation-sdk-go/runtime/data"
-	nsx_client "github.com/vmware/vsphere-automation-sdk-go/runtime/protocol/client"
 	"github.com/vmware/vsphere-automation-sdk-go/services/nsxt/model"
-	"github.com/vmware/vsphere-automation-sdk-go/services/nsxt/orgs"
 	v1 "k8s.io/api/core/v1"
 	k8sapierrors "k8s.io/apimachinery/pkg/api/errors"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@@ -2921,83 +2918,59 @@ func Test_isNamespaceReady(t *testing.T) {
 	assert.False(t, isNamespaceReady(nsUnready))
 }
 
-func SetProjectDefault(p *model.Project, b bool) {
-	v := reflect.ValueOf(p).Elem()
-	f := v.FieldByName("_Default")
-	if !f.IsValid() {
-		return
-	}
-
-	val := b // bool value
-	ptr := unsafe.Pointer(f.UnsafeAddr())
-	realPtr := (*unsafe.Pointer)(ptr)
-	*realPtr = unsafe.Pointer(&val)
-}
-
 func TestIsDefaultNSXProject(t *testing.T) {
-	connector := nsx_client.NewConnector("localhost")
-	projectClient := orgs.NewProjectsClient(connector)
 	tests := []struct {
 		name           string
 		orgID          string
 		projectID      string
-		prepareFunc    func(*VPCService) *gomonkey.Patches
+		httpGetResp    map[string]interface{}
+		httpGetErr     error
 		expectedResult bool
-		expectedErrStr string
+		expectedErr    bool
 	}{
 		{
-			name:      "Project is default",
-			orgID:     "default",
-			projectID: "project-1",
-			prepareFunc: func(service *VPCService) *gomonkey.Patches {
-				patches := gomonkey.ApplyMethod(reflect.TypeOf(projectClient), "Get", func(_ orgs.ProjectsClient, _ string, _ string, _ *bool) (model.Project, error) {
-					pro := model.Project{}
-					SetProjectDefault(&pro, true)
-					return pro, nil
-				})
-				return patches
-			},
+			name:           "project is default",
+			orgID:          "default",
+			projectID:      "default",
+			httpGetResp:    map[string]interface{}{"default": true, "id": "default"},
 			expectedResult: true,
 		},
 		{
-			name:      "Project is not default",
-			orgID:     "default",
-			projectID: "project-2",
-			prepareFunc: func(service *VPCService) *gomonkey.Patches {
-				patches := gomonkey.ApplyMethod(reflect.TypeOf(projectClient), "Get", func(_ orgs.ProjectsClient, _ string, _ string, _ *bool) (model.Project, error) {
-					pro := model.Project{}
-					return pro, nil
-				})
-				return patches
-			},
+			name:           "project is not default",
+			orgID:          "default",
+			projectID:      "customer-project",
+			httpGetResp:    map[string]interface{}{"default": false, "id": "customer-project"},
 			expectedResult: false,
 		},
 		{
-			name:      "Get project error",
-			orgID:     "default",
-			projectID: "project-3",
-			prepareFunc: func(service *VPCService) *gomonkey.Patches {
-				patches := gomonkey.ApplyMethod(reflect.TypeOf(projectClient), "Get", func(_ orgs.ProjectsClient, _ string, _ string, _ *bool) (model.Project, error) {
-					return model.Project{}, fmt.Errorf("failed to get project")
-				})
-				return patches
-			},
-			expectedErrStr: "failed to get project",
+			name:           "response missing default field",
+			orgID:          "default",
+			projectID:      "some-project",
+			httpGetResp:    map[string]interface{}{"id": "some-project"},
+			expectedResult: false,
+		},
+		{
+			name:        "HTTP error",
+			orgID:       "default",
+			projectID:   "default",
+			httpGetErr:  fmt.Errorf("connection refused"),
+			expectedErr: true,
 		},
 	}
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			service, _, _, _, _ := createService(t)
-			if tt.prepareFunc != nil {
-				patches := tt.prepareFunc(service)
-				defer patches.Reset()
-			}
-			service.NSXClient.ProjectClient = projectClient
-			result, err := service.IsDefaultNSXProject(tt.orgID, tt.projectID)
+			service.NSXClient.Cluster = &nsx.Cluster{}
+			patches := gomonkey.ApplyMethod(reflect.TypeOf(service.NSXClient.Cluster), "HttpGet",
+				func(_ *nsx.Cluster, _ string) (map[string]interface{}, error) {
+					return tt.httpGetResp, tt.httpGetErr
+				})
+			defer patches.Reset()
 
-			if tt.expectedErrStr != "" {
-				assert.ErrorContains(t, err, tt.expectedErrStr)
+			result, err := service.IsDefaultNSXProject(tt.orgID, tt.projectID)
+			if tt.expectedErr {
+				assert.Error(t, err)
 			} else {
 				assert.NoError(t, err)
 				assert.Equal(t, tt.expectedResult, result)