def get_router_ids(self, context, host):
        if utils.is_extension_supported(
                self.l3plugin, constants.L3_AGENT_SCHEDULER_EXT_ALIAS):
            if cfg.CONF.router_auto_schedule:
                self.l3plugin.auto_schedule_routers(context, host,
                                                    router_ids=None)
        return self.l3plugin.list_router_ids_on_host(context, host)
Returns IDs of routers scheduled to l3 agent on <host>
dataset/ETHPy150Open openstack/neutron/neutron/api/rpc/handlers/l3_rpc.py/L3RpcCallback.get_router_ids