import uuid from django.db import models from django.contrib.auth import get_user_model class VM(models.Model): uuid = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False) vmid = models.IntegerField() owner = models.ForeignKey(get_user_model(), on_delete=models.CASCADE) data = models.CharField(max_length=65536, null=True)