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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:53:30 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:53:30 +0000 |
commit | 2c7cac91ed6e7db0f6937923d2b57f97dbdbc337 (patch) | |
tree | c05dc0f8e6aa3accc84e3e5cffc933ed94941383 /tests/topotests/bgp_listen_on_multiple_addresses | |
parent | Initial commit. (diff) | |
download | frr-upstream.tar.xz frr-upstream.zip |
Adding upstream version 8.4.4.upstream/8.4.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/topotests/bgp_listen_on_multiple_addresses')
2 files changed, 303 insertions, 0 deletions
diff --git a/tests/topotests/bgp_listen_on_multiple_addresses/bgp_listen_on_multiple_addresses.json b/tests/topotests/bgp_listen_on_multiple_addresses/bgp_listen_on_multiple_addresses.json new file mode 100644 index 0000000..95de8cc --- /dev/null +++ b/tests/topotests/bgp_listen_on_multiple_addresses/bgp_listen_on_multiple_addresses.json @@ -0,0 +1,154 @@ +{ + "ipv4base": "10.0.0.0", + "ipv4mask": 24, + "ipv6base": "fd00::", + "ipv6mask": 64, + "link_ip_start": { + "ipv4": "10.0.0.0", + "v4mask": 24, + "ipv6": "fd00::", + "v6mask": 64 + }, + "lo_prefix": { + "ipv4": "1.0.", + "v4mask": 32, + "ipv6": "2001:DB8:F::", + "v6mask": 128 + }, + "routers": { + "r1": { + "links": { + "lo": { + "ipv4": "auto", + "ipv6": "auto", + "type": "loopback" + }, + "r2": { + "ipv4": "auto", + "ipv6": "auto" + } + }, + "bgp": { + "local_as": "1000", + "address_family": { + "ipv4": { + "unicast": { + "neighbor": { + "r2": { + "dest_link": { + "r1": {} + } + } + } + } + } + } + } + }, + "r2": { + "links": { + "lo": { + "ipv4": "auto", + "ipv6": "auto", + "type": "loopback" + }, + "r1": { + "ipv4": "auto", + "ipv6": "auto" + }, + "r3": { + "ipv4": "auto", + "ipv6": "auto" + } + }, + "bgp": { + "local_as": "2000", + "address_family": { + "ipv4": { + "unicast": { + "neighbor": { + "r1": { + "dest_link": { + "r2": {} + } + }, + "r3": { + "dest_link": { + "r2": {} + } + } + } + } + } + } + } + }, + "r3": { + "links": { + "lo": { + "ipv4": "auto", + "ipv6": "auto", + "type": "loopback" + }, + "r2": { + "ipv4": "auto", + "ipv6": "auto" + }, + "r4": { + "ipv4": "auto", + "ipv6": "auto" + } + }, + "bgp": { + "local_as": "2000", + "address_family": { + "ipv4": { + "unicast": { + "neighbor": { + "r2": { + "dest_link": { + "r3": {} + } + }, + "r4": { + "dest_link": { + "r3": {} + } + } + } + } + } + } + } + }, + "r4": { + "links": { + "lo": { + "ipv4": "auto", + "ipv6": "auto", + "type": "loopback" + }, + "r3": { + "ipv4": "auto", + "ipv6": "auto" + } + }, + "bgp": { + "local_as": "3000", + "address_family": { + "ipv4": { + "unicast": { + "neighbor": { + "r3": { + "dest_link": { + "r4": {} + } + } + } + } + } + } + } + } + } +} diff --git a/tests/topotests/bgp_listen_on_multiple_addresses/test_bgp_listen_on_multiple_addresses.py b/tests/topotests/bgp_listen_on_multiple_addresses/test_bgp_listen_on_multiple_addresses.py new file mode 100755 index 0000000..4b4335a --- /dev/null +++ b/tests/topotests/bgp_listen_on_multiple_addresses/test_bgp_listen_on_multiple_addresses.py @@ -0,0 +1,149 @@ +#!/usr/bin/env python + +# +# test_bgp_listen_on_multiple_addresses.py +# Part of NetDEF Topology Tests +# +# Copyright (c) 2021 by Boeing Defence Australia +# Adriano Marto Reis +# +# Permission to use, copy, modify, and/or distribute this software +# for any purpose with or without fee is hereby granted, provided +# that the above copyright notice and this permission notice appear +# in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NETDEF DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NETDEF BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY +# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS +# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE +# OF THIS SOFTWARE. +# + +""" +test_bgp_listen_on_multiple_addresses.py: Test BGP daemon listening for +connections on multiple addresses. + + +------+ +------+ +------+ +------+ + | | | | | | | | + | r1 |--------| r2 |--------| r3 |--------| r4 | + | | | | | | | | + +------+ +------+ +------+ +------+ + + | | | | + | AS 1000 | AS 2000 | AS 3000 | + | | | | + +------------+--------------------------------+-------------+ +""" + +import os +import sys +import pytest + + +# Save the Current Working Directory to find configuration files. +CWD = os.path.dirname(os.path.realpath(__file__)) +sys.path.append(os.path.join(CWD, "../")) + +from lib.topogen import Topogen, get_topogen +from lib.topojson import build_config_from_json +from lib.topojson import linux_intf_config_from_json +from lib.common_config import start_topology +from lib.topotest import router_json_cmp, run_and_expect +from functools import partial + +pytestmark = [pytest.mark.bgpd] + + +LISTEN_ADDRESSES = { + "r1": ["10.0.0.1"], + "r2": ["10.0.0.2", "10.0.1.1"], + "r3": ["10.0.1.2", "10.0.2.1"], + "r4": ["10.0.2.2"], +} + + +def setup_module(mod): + "Sets up the test environment." + json_file = "{}/bgp_listen_on_multiple_addresses.json".format(CWD) + tgen = Topogen(json_file, mod.__name__) + global topo + topo = tgen.json_topo + + # Adds extra parameters to bgpd so they listen for connections on specific + # multiple addresses. + for router_name in tgen.routers().keys(): + tgen.net[router_name].daemons_options["bgpd"] = "-l " + " -l ".join( + LISTEN_ADDRESSES[router_name] + ) + + start_topology(tgen) + + linux_intf_config_from_json(tgen, topo) + + build_config_from_json(tgen, topo) + + +def teardown_module(_mod): + "Tears-down the test environment." + tgen = get_topogen() + tgen.stop_topology() + + +def test_peering(): + "Checks if the routers peer-up." + tgen = get_topogen() + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + _bgp_converge_initial("r1", "10.0.0.2") + _bgp_converge_initial("r2", "10.0.0.1") + _bgp_converge_initial("r2", "10.0.1.2") + _bgp_converge_initial("r3", "10.0.1.1") + _bgp_converge_initial("r3", "10.0.2.2") + _bgp_converge_initial("r4", "10.0.2.1") + + +def test_listening_address(): + """ + Checks if bgpd is only listening on the specified IP addresses. + """ + tgen = get_topogen() + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + for router in tgen.routers().values(): + # bgpd must not be listening on the default address. + output = router.run("netstat -nlt4 | grep 0.0.0.0:179") + assert output == "", "{}: bpgd is listening on 0.0.0.0:179".format(router.name) + + # bgpd must be listening on the specified addresses. + for address in LISTEN_ADDRESSES[router.name]: + output = router.run("netstat -nlt4 | grep {}:179".format(address)) + assert output != "", "{}: bpgd is not listening on {}:179".format( + router.name, address + ) + + +def _bgp_converge_initial(router_name, peer_address, timeout=180): + """ + Waits for the BGP connection between a given router and a given peer + (specified by its IP address) to be established. If the connection is + not established within a given timeout, then an exception is raised. + """ + tgen = get_topogen() + router = tgen.routers()[router_name] + expected = {"ipv4Unicast": {"peers": {peer_address: {"state": "Established"}}}} + + test_func = partial(router_json_cmp, router, "show ip bgp summary json", expected) + _, result = run_and_expect(test_func, None, count=timeout, wait=1) + assert result is None, "{}: Failed to establish connection with {}".format( + router_name, peer_address + ) + + +if __name__ == "__main__": + args = ["-s"] + sys.argv[1:] + sys.exit(pytest.main(args)) |