'Initialize the driver.'

def __init__(self, *args, **kwargs):

    super(IBMStorageDriver, self).__init__(*args, **kwargs)
    self.configuration.append_config_values(driver_opts)
    proxy = importutils.import_class(self.configuration.proxy)
    active_backend_id = kwargs.get('active_backend_id', None)
    self.proxy = proxy({'user': self.configuration.san_login, 'password': self.configuration.san_password, 'address': self.configuration.san_ip, 'vol_pool': self.configuration.san_clustername, 'connection_type': self.configuration.connection_type, 'chap': self.configuration.chap, 'management_ips': self.configuration.management_ips}, LOG, exception, driver=self, active_backend_id=active_backend_id)
