def _redundancy_routers_for_floatingip(<EOL>self, context, router_id, redundancy_router_ids=None,<EOL>ha_settings_db=None):
if ha_settings_db is None:<EOL><INDENT>ha_settings_db = self._get_ha_settings_by_router_id(context,<EOL>router_id)<EOL><DEDENT>if ha_settings_db is None:<EOL><INDENT>return<EOL><DEDENT>e_context = context.elevated()<EOL>router_ids = []<EOL>for r_id in (redundancy_router_ids or<EOL>self._get_redundancy_router_ids(e_context, router_id)):<EOL><INDENT>router_ids.append(r_id)<EOL><DEDENT>return router_ids<EOL>
To be called in update_floatingip() to get the
            redundant router ids.