improve network lookup for vmware source imports

pkg/apis/migration.harvesterhci.io/v1beta1/virtualmachines.go

@@ -34,7 +34,7 @@ type VirtualMachineImportSpec struct {
 
 	Folder string `json:"folder,omitempty"`
 
-	// If empty new VirtualMachineImport will be mapped to Management Network.
+	// If empty, new VirtualMachineImport will be mapped to Management Network.
 	Mapping []NetworkMapping `json:"networkMapping,omitempty"`
 	// The default network interface model. This is always used when:
 	// - Auto-detection fails (OpenStack source client does not have auto-detection, therefore this field is used for every network interface).
@@ -46,7 +46,7 @@ type VirtualMachineImportSpec struct {
 
 	// The bus type that is used for imported disks if auto-detection fails.
 	// Note, the OpenStack source client does not support auto-detection,
-	// therefore it always makes use of this field.
+	// therefore, it always makes use of this field.
 	// Defaults to "virtio".
 	DefaultDiskBusType *kubevirtv1.DiskBus `json:"defaultDiskBusType,omitempty"`
 
@@ -63,6 +63,11 @@ type VirtualMachineImportSpec struct {
 	// Defaults to 60 seconds.
 	// Please note that this field only applies to VMware imports.
 	GracefulShutdownTimeoutSeconds int32 `json:"gracefulShutdownTimeoutSeconds,omitempty"`
+
+	// +optional
+	// SkipPreflightChecks allows you to forcefully skip the preflight checks.
+	// Defaults to false.
+	SkipPreflightChecks *bool `json:"skipPreflightChecks,omitemtpy"`
 }
 
 // VirtualMachineImportStatus tracks the status of the VirtualMachineImport export from migration and import into the Harvester cluster
@@ -171,6 +176,10 @@ func (in *VirtualMachineImport) NamespacedName() string {
 	}.String()
 }
 
+func (in *VirtualMachineImport) SkipPreflightChecks() bool {
+	return ptr.Deref(in.Spec.SkipPreflightChecks, false)
+}
+
 func (in *NetworkMapping) GetNetworkInterfaceModel() string {
 	return ptr.Deref(in.NetworkInterfaceModel, NetworkInterfaceModelVirtio)
 }

pkg/controllers/migration/virtualmachine.go

@@ -300,14 +300,23 @@ func (h *virtualMachineHandler) preFlightChecks(vm *migration.VirtualMachineImpo
 	if err != nil {
 		return fmt.Errorf("error generating VMO in preFlightChecks: %v", err)
 	}
-	err = vmo.PreFlightChecks(vm)
-	if err != nil {
+
+	if vm.SkipPreflightChecks() {
 		logrus.WithFields(logrus.Fields{
 			"name":                    vm.Name,
 			"namespace":               vm.Namespace,
 			"spec.sourcecluster.kind": vm.Spec.SourceCluster.Kind,
-		}).Errorf("Failed to perform source cluster specific preflight checks: %v", err)
-		return err
+		}).Info("skipping preflight checks")
+	} else {
+		err = vmo.PreFlightChecks(vm)
+		if err != nil {
+			logrus.WithFields(logrus.Fields{
+				"name":                    vm.Name,
+				"namespace":               vm.Namespace,
+				"spec.sourcecluster.kind": vm.Spec.SourceCluster.Kind,
+			}).Errorf("Failed to perform source cluster specific preflight checks: %v", err)
+			return err
+		}
 	}
 
 	return nil