@classmethod
    def get_active_by_window_joined(cls, context, begin, end=None,
                                    project_id=None, host=None,
                                    expected_attrs=None,
                                    use_slave=False):
        # NOTE(mriedem): We have to convert the datetime objects to string
        # primitives for the remote call.
        begin = utils.isotime(begin)
        end = utils.isotime(end) if end else None
        return cls._get_active_by_window_joined(context, begin, end,
                                                project_id, host,
                                                expected_attrs,
                                                use_slave=use_slave)
Get instances and joins active during a certain time window.
dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/objects/instance.py/InstanceList.get_active_by_window_joined