Fixes #6710: Fix assignment of VM interface parent via REST API

docs/release-notes/version-2.11.md

@@ -1,5 +1,13 @@
 # NetBox v2.11
 
+## v2.11.9 (FUTURE)
+
+### Bug Fixes
+
+* [#6710](https://github.com/netbox-community/netbox/issues/6710) - Fix assignment of VM interface parent via REST API
+
+---
+
 ## v2.11.8 (2021-07-06)
 
 ### Enhancements

netbox/dcim/tests/test_api.py

@@ -1211,8 +1211,9 @@ class InterfaceTest(Mixins.ComponentTraceMixin, APIViewTestCases.APIViewTestCase
             {
                 'device': device.pk,
                 'name': 'Interface 6',
-                'type': '1000base-t',
+                'type': 'virtual',
                 'mode': InterfaceModeChoices.MODE_TAGGED,
+                'parent': interfaces[0].pk,
                 'tagged_vlans': [vlans[0].pk, vlans[1].pk],
                 'untagged_vlan': vlans[2].pk,
             },

netbox/virtualization/api/nested_serializers.py

@@ -1,8 +1,7 @@
 from rest_framework import serializers
 
-from dcim.models import Interface
 from netbox.api import WritableNestedSerializer
-from virtualization.models import Cluster, ClusterGroup, ClusterType, VirtualMachine
+from virtualization.models import Cluster, ClusterGroup, ClusterType, VirtualMachine, VMInterface
 
 __all__ = [
     'NestedClusterGroupSerializer',
@@ -61,5 +60,5 @@ class NestedVMInterfaceSerializer(WritableNestedSerializer):
     virtual_machine = NestedVirtualMachineSerializer(read_only=True)
 
     class Meta:
-        model = Interface
+        model = VMInterface
         fields = ['id', 'url', 'display', 'virtual_machine', 'name']

netbox/virtualization/tests/test_api.py

@@ -251,6 +251,7 @@ class VMInterfaceTest(APIViewTestCases.APIViewTestCase):
             {
                 'virtual_machine': virtualmachine.pk,
                 'name': 'Interface 6',
+                'parent': interfaces[0].pk,
                 'mode': InterfaceModeChoices.MODE_TAGGED,
                 'tagged_vlans': [vlans[0].pk, vlans[1].pk],
                 'untagged_vlan': vlans[2].pk,