6347 add missing migration

netbox/virtualization/migrations/0035_virtualmachine__interface_count.py

@@ -0,0 +1,30 @@
+# Generated by Django 4.1.8 on 2023-05-16 21:20
+
+from django.db import migrations
+import utilities.fields
+
+
+def populate_virtualmachine_counts(apps, schema_editor):
+    VirtualMachine = apps.get_model('virtualization', 'VirtualMachine')
+
+    for vm in VirtualMachine.objects.all():
+        vm._interface_count = vm.interfaces.count()
+        vm.save()
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ('virtualization', '0034_standardize_description_comments'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='virtualmachine',
+            name='_interface_count',
+            field=utilities.fields.CounterCacheField(default=0),
+        ),
+        migrations.RunPython(
+            code=populate_virtualmachine_counts,
+            reverse_code=migrations.RunPython.noop
+        ),
+    ]