'Any initialization the volume driver does while starting.'

def do_setup(self, context):

    super(RemoteFSDriver, self).do_setup(context)
    self.configuration.nas_secure_file_permissions = self.configuration.nas_secure_file_permissions.lower()
    self.configuration.nas_secure_file_operations = self.configuration.nas_secure_file_operations.lower()
    valid_secure_opts = ['auto', 'true', 'false']
    secure_options = {'nas_secure_file_permissions': self.configuration.nas_secure_file_permissions, 'nas_secure_file_operations': self.configuration.nas_secure_file_operations}
    LOG.debug('NAS    config:    %s', secure_options)
    for (opt_name, opt_value) in secure_options.items():
        if (opt_value not in valid_secure_opts):
            err_parms = {'name': opt_name, 'value': opt_value}
            msg = (_("NAS    config    '%(name)s=%(value)s'    invalid.    Must    be    'auto',    'true',    or    'false'") % err_parms)
            LOG.error(msg)
            raise exception.InvalidConfigurationValue(msg)
