def approve_user(self, username):
        raise NotImplementedError
Callback which runs with the image VDI attached.
dataset/ETHPy150Open mathcamp/pypicloud/pypicloud/access/base.py/IMutableAccessBackend.approve_user--crossover with--dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/virt/xenapi/vm_utils.py/_mounted_processing