diff options
Diffstat (limited to 'tests/topotests/ospf6_loopback_cost')
4 files changed, 121 insertions, 0 deletions
diff --git a/tests/topotests/ospf6_loopback_cost/__init__.py b/tests/topotests/ospf6_loopback_cost/__init__.py new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/tests/topotests/ospf6_loopback_cost/__init__.py diff --git a/tests/topotests/ospf6_loopback_cost/r1/frr.conf b/tests/topotests/ospf6_loopback_cost/r1/frr.conf new file mode 100644 index 0000000..d85166b --- /dev/null +++ b/tests/topotests/ospf6_loopback_cost/r1/frr.conf @@ -0,0 +1,16 @@ +! +int lo + ipv6 address 2001:db8::1/128 + ipv6 ospf6 area 0.0.0.0 + ipv6 ospf6 passive +! +int r1-eth0 + ipv6 address 2001:db8:1::1/64 + ipv6 ospf6 area 0.0.0.0 + ipv6 ospf6 hello-interval 1 + ipv6 ospf6 dead-interval 4 +! +router ospf6 + ospf6 router-id 0.0.0.1 +exit +! diff --git a/tests/topotests/ospf6_loopback_cost/r2/frr.conf b/tests/topotests/ospf6_loopback_cost/r2/frr.conf new file mode 100644 index 0000000..8f3e2ca --- /dev/null +++ b/tests/topotests/ospf6_loopback_cost/r2/frr.conf @@ -0,0 +1,16 @@ +! +int lo + ipv6 address 2001:db8::2/128 + ipv6 ospf6 area 0.0.0.0 + ipv6 ospf6 passive +! +int r2-eth0 + ipv6 address 2001:db8:1::2/64 + ipv6 ospf6 area 0.0.0.0 + ipv6 ospf6 hello-interval 1 + ipv6 ospf6 dead-interval 4 +! +router ospf6 + ospf6 router-id 0.0.0.2 +exit +! diff --git a/tests/topotests/ospf6_loopback_cost/test_ospf6_loopback_cost.py b/tests/topotests/ospf6_loopback_cost/test_ospf6_loopback_cost.py new file mode 100644 index 0000000..8e7a7ea --- /dev/null +++ b/tests/topotests/ospf6_loopback_cost/test_ospf6_loopback_cost.py @@ -0,0 +1,89 @@ +#!/usr/bin/env python +# SPDX-License-Identifier: ISC + +# Copyright (c) 2023 by +# Donatas Abraitis <donatas@opensourcerouting.org> +# + +""" +Test if OSPFv3 loopback interfaces get a cost of 0. + +https://www.rfc-editor.org/rfc/rfc5340.html#page-37: + +If the interface type is point-to-multipoint or the interface is +in the state Loopback, the global scope IPv6 addresses associated +with the interface (if any) are copied into the intra-area-prefix-LSA +with the PrefixOptions LA-bit set, the PrefixLength set to 128, and +the metric set to 0. +""" + +import os +import sys +import json +import pytest +import functools + +pytestmark = pytest.mark.ospf6d + +CWD = os.path.dirname(os.path.realpath(__file__)) +sys.path.append(os.path.join(CWD, "../")) + +# pylint: disable=C0413 +from lib import topotest +from lib.topogen import Topogen, TopoRouter, get_topogen + + +def setup_module(mod): + topodef = {"s1": ("r1", "r2")} + tgen = Topogen(topodef, mod.__name__) + tgen.start_topology() + + router_list = tgen.routers() + + for _, (rname, router) in enumerate(router_list.items(), 1): + router.load_frr_config(os.path.join(CWD, "{}/frr.conf".format(rname))) + + tgen.start_router() + + +def teardown_module(mod): + tgen = get_topogen() + tgen.stop_topology() + + +def test_ospf6_loopback_cost(): + tgen = get_topogen() + + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + r1 = tgen.gears["r1"] + + def _show_ipv6_route(): + output = json.loads(r1.vtysh_cmd("show ipv6 route json")) + expected = { + "2001:db8::1/128": [ + { + "metric": 0, + "distance": 110, + } + ], + "2001:db8::2/128": [ + { + "metric": 10, + "distance": 110, + } + ], + } + return topotest.json_cmp(output, expected) + + test_func = functools.partial( + _show_ipv6_route, + ) + _, result = topotest.run_and_expect(test_func, None, count=60, wait=1) + assert result is None, "Loopback cost isn't 0" + + +if __name__ == "__main__": + args = ["-s"] + sys.argv[1:] + sys.exit(pytest.main(args)) |