'Retrieve information about a single drive.
:param drive_id: ID of the drive to retrieve.
:type drive_id: ``str``
:return: Drive object.
:rtype: :class:`.CloudSigmaDrive`'

def ex_get_drive(self, drive_id):

    action = ('/drives/%s/' % drive_id)
    response = self.connection.request(action=action).object
    drive = self._to_drive(data=response)
    return drive
