code: func (db ErroringDB) GetWhitelistForIdentity(c context.Context, ident identity.Identity) (string, error) {
  	logging.Errorf(c, "%s", db.Error)
  	return "", db.Error
  }
docs: // GetWhitelistForIdentity returns name of the IP whitelist to use to check
  // IP of requests from given `ident`.
  //
  // It's used to restrict access for certain account to certain IP subnets.
  //
  // Returns ("", nil) if `ident` is not IP restricted.