fix conversions

Author: vishesh92

api/v1beta2/cloudstackmachine_conversion.go

@@ -17,16 +17,45 @@ limitations under the License.
 package v1beta2
 
 import (
+    machineryconversion "k8s.io/apimachinery/pkg/conversion"
 	"sigs.k8s.io/cluster-api-provider-cloudstack/api/v1beta3"
+	utilconversion "sigs.k8s.io/cluster-api/util/conversion"
 	"sigs.k8s.io/controller-runtime/pkg/conversion"
 )
 
 func (src *CloudStackMachine) ConvertTo(dstRaw conversion.Hub) error { // nolint
 	dst := dstRaw.(*v1beta3.CloudStackMachine)
-	return Convert_v1beta2_CloudStackMachine_To_v1beta3_CloudStackMachine(src, dst, nil)
+    if err := Convert_v1beta2_CloudStackMachine_To_v1beta3_CloudStackMachine(src, dst, nil); err != nil {
+		return err
+	}
+
+	// Manually restore data
+	restored := &v1beta3.CloudStackMachine{}
+	if ok, err := utilconversion.UnmarshalData(src, restored); err != nil || !ok {
+		return err
+	}
+
+	if len(restored.Spec.Networks) > 0 {
+		dst.Spec.Networks = restored.Spec.Networks
+	}
+
+	return nil
 }
 
 func (dst *CloudStackMachine) ConvertFrom(srcRaw conversion.Hub) error { // nolint
 	src := srcRaw.(*v1beta3.CloudStackMachine)
-	return Convert_v1beta3_CloudStackMachine_To_v1beta2_CloudStackMachine(src, dst, nil)
+    if err := Convert_v1beta3_CloudStackMachine_To_v1beta2_CloudStackMachine(src, dst, nil); err != nil {
+		return err
+	}
+
+	// Preserve Hub data on down-conversion, including Networks field
+	err := utilconversion.MarshalData(src, dst)
+	return err
+}
+
+// Convert_v1beta3_CloudStackMachineSpec_To_v1beta2_CloudStackMachineSpec handles the conversion from v1beta3 to v1beta2,
+// ignoring the Networks field that doesn't exist in v1beta2
+func Convert_v1beta3_CloudStackMachineSpec_To_v1beta2_CloudStackMachineSpec(in *v1beta3.CloudStackMachineSpec, out *CloudStackMachineSpec, s machineryconversion.Scope) error { // nolint
+	// Use the auto-generated conversion function, which will handle all fields except Networks
+	return autoConvert_v1beta3_CloudStackMachineSpec_To_v1beta2_CloudStackMachineSpec(in, out, s)
 }