diff options
Diffstat (limited to 'tests/topotests/bgp_roles_capability')
16 files changed, 292 insertions, 0 deletions
diff --git a/tests/topotests/bgp_roles_capability/__init__.py b/tests/topotests/bgp_roles_capability/__init__.py new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/tests/topotests/bgp_roles_capability/__init__.py diff --git a/tests/topotests/bgp_roles_capability/r1/bgpd.conf b/tests/topotests/bgp_roles_capability/r1/bgpd.conf new file mode 100644 index 0000000..273f933 --- /dev/null +++ b/tests/topotests/bgp_roles_capability/r1/bgpd.conf @@ -0,0 +1,25 @@ +router bgp 64501 + bgp router-id 192.168.2.1 + network 192.0.2.0/24 +! Correct role pair + neighbor 192.168.2.2 remote-as external + neighbor 192.168.2.2 local-role provider + neighbor 192.168.2.2 timers 3 10 +! Incorrect role pair + neighbor 192.168.3.2 remote-as external + neighbor 192.168.3.2 local-role provider + neighbor 192.168.3.2 timers 3 10 +! Missed neighbor role + neighbor 192.168.4.2 remote-as external + neighbor 192.168.4.2 local-role provider + neighbor 192.168.4.2 timers 3 10 +! Missed neighbor role with strict-mode + neighbor 192.168.5.2 remote-as external + neighbor 192.168.5.2 local-role provider strict-mode + neighbor 192.168.5.2 timers 3 10 +! Testing peer-groups + neighbor PG peer-group + neighbor PG remote-as external + neighbor PG local-role provider + neighbor PG timers 3 10 + neighbor 192.168.6.2 peer-group PG diff --git a/tests/topotests/bgp_roles_capability/r1/zebra.conf b/tests/topotests/bgp_roles_capability/r1/zebra.conf new file mode 100644 index 0000000..301a1e8 --- /dev/null +++ b/tests/topotests/bgp_roles_capability/r1/zebra.conf @@ -0,0 +1,18 @@ +! +interface r1-eth0 + ip address 192.168.2.1/24 +! +interface r1-eth1 + ip address 192.168.3.1/24 +! +interface r1-eth2 + ip address 192.168.4.1/24 +! +interface r1-eth3 + ip address 192.168.5.1/24 +! +interface r1-eth4 + ip address 192.168.6.1/24 +! +ip forwarding +! diff --git a/tests/topotests/bgp_roles_capability/r2/bgpd.conf b/tests/topotests/bgp_roles_capability/r2/bgpd.conf new file mode 100644 index 0000000..aa8ba72 --- /dev/null +++ b/tests/topotests/bgp_roles_capability/r2/bgpd.conf @@ -0,0 +1,5 @@ +router bgp 64502 + bgp router-id 192.168.2.2 + neighbor 192.168.2.1 remote-as external + neighbor 192.168.2.1 local-role customer + neighbor 192.168.2.1 timers 3 10 diff --git a/tests/topotests/bgp_roles_capability/r2/zebra.conf b/tests/topotests/bgp_roles_capability/r2/zebra.conf new file mode 100644 index 0000000..86a9784 --- /dev/null +++ b/tests/topotests/bgp_roles_capability/r2/zebra.conf @@ -0,0 +1,6 @@ +! +interface r2-eth0 + ip address 192.168.2.2/24 +! +ip forwarding +! diff --git a/tests/topotests/bgp_roles_capability/r3/bgpd.conf b/tests/topotests/bgp_roles_capability/r3/bgpd.conf new file mode 100644 index 0000000..5ed93d6 --- /dev/null +++ b/tests/topotests/bgp_roles_capability/r3/bgpd.conf @@ -0,0 +1,4 @@ +router bgp 64503 + neighbor 192.168.3.1 remote-as external + neighbor 192.168.3.1 local-role peer + neighbor 192.168.3.1 timers 3 10 diff --git a/tests/topotests/bgp_roles_capability/r3/zebra.conf b/tests/topotests/bgp_roles_capability/r3/zebra.conf new file mode 100644 index 0000000..9df578e --- /dev/null +++ b/tests/topotests/bgp_roles_capability/r3/zebra.conf @@ -0,0 +1,6 @@ +! +interface r3-eth0 + ip address 192.168.3.2/24 +! +ip forwarding +! diff --git a/tests/topotests/bgp_roles_capability/r4/bgpd.conf b/tests/topotests/bgp_roles_capability/r4/bgpd.conf new file mode 100644 index 0000000..118132d --- /dev/null +++ b/tests/topotests/bgp_roles_capability/r4/bgpd.conf @@ -0,0 +1,3 @@ +router bgp 64504 + neighbor 192.168.4.1 remote-as external + neighbor 192.168.4.1 timers 3 10 diff --git a/tests/topotests/bgp_roles_capability/r4/zebra.conf b/tests/topotests/bgp_roles_capability/r4/zebra.conf new file mode 100644 index 0000000..03632ee --- /dev/null +++ b/tests/topotests/bgp_roles_capability/r4/zebra.conf @@ -0,0 +1,6 @@ +! +interface r4-eth0 + ip address 192.168.4.2/24 +! +ip forwarding +! diff --git a/tests/topotests/bgp_roles_capability/r5/bgpd.conf b/tests/topotests/bgp_roles_capability/r5/bgpd.conf new file mode 100644 index 0000000..2f62fbf --- /dev/null +++ b/tests/topotests/bgp_roles_capability/r5/bgpd.conf @@ -0,0 +1,3 @@ +router bgp 64505 + neighbor 192.168.5.1 remote-as external + neighbor 192.168.5.1 timers 3 10 diff --git a/tests/topotests/bgp_roles_capability/r5/zebra.conf b/tests/topotests/bgp_roles_capability/r5/zebra.conf new file mode 100644 index 0000000..2e95d77 --- /dev/null +++ b/tests/topotests/bgp_roles_capability/r5/zebra.conf @@ -0,0 +1,6 @@ +! +interface r5-eth0 + ip address 192.168.5.2/24 +! +ip forwarding +! diff --git a/tests/topotests/bgp_roles_capability/r6/bgpd.conf b/tests/topotests/bgp_roles_capability/r6/bgpd.conf new file mode 100644 index 0000000..44b12fe --- /dev/null +++ b/tests/topotests/bgp_roles_capability/r6/bgpd.conf @@ -0,0 +1,4 @@ +router bgp 64506 + neighbor 192.168.6.1 remote-as external + neighbor 192.168.6.1 local-role customer + neighbor 192.168.6.1 timers 3 10 diff --git a/tests/topotests/bgp_roles_capability/r6/zebra.conf b/tests/topotests/bgp_roles_capability/r6/zebra.conf new file mode 100644 index 0000000..c8428c4 --- /dev/null +++ b/tests/topotests/bgp_roles_capability/r6/zebra.conf @@ -0,0 +1,6 @@ +! +interface r6-eth0 + ip address 192.168.6.2/24 +! +ip forwarding +! diff --git a/tests/topotests/bgp_roles_capability/roles_capability_stand.dot b/tests/topotests/bgp_roles_capability/roles_capability_stand.dot new file mode 100644 index 0000000..c0b5c81 --- /dev/null +++ b/tests/topotests/bgp_roles_capability/roles_capability_stand.dot @@ -0,0 +1,15 @@ +graph roles_filtering_stand { + layout="circo" + label="roles capability stand" + fontsize="20" + + r1 [label="r1 provider"]; + r2 [label="r2"]; + r3 [label="r3"]; + r4 [label="r4"]; + r5 [label="r5"]; + r1 -- r2 [headlabel="customer", taillabel="provider"]; + r1 -- r3 [headlabel="peer", taillabel="provider"]; + r1 -- r4 [headlabel="?", taillabel="provider"]; + r1 -- r5 [headlabel="?", taillabel="provider", label="strict-mode"]; +} diff --git a/tests/topotests/bgp_roles_capability/roles_capability_stand.jpg b/tests/topotests/bgp_roles_capability/roles_capability_stand.jpg Binary files differnew file mode 100644 index 0000000..b8dea2f --- /dev/null +++ b/tests/topotests/bgp_roles_capability/roles_capability_stand.jpg diff --git a/tests/topotests/bgp_roles_capability/test_bgp_roles_capability.py b/tests/topotests/bgp_roles_capability/test_bgp_roles_capability.py new file mode 100644 index 0000000..d72fd19 --- /dev/null +++ b/tests/topotests/bgp_roles_capability/test_bgp_roles_capability.py @@ -0,0 +1,185 @@ +#!/usr/bin/python +# +# test_bgp_roles_capability.py +# Part of NetDEF Topology Tests +# +# Copyright (c) 2022 by Eugene Bogomazov <eb@qrator.net> +# Copyright (c) 2017 by +# Network Device Education Foundation, Inc. ("NetDEF") +# +# 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 VMWARE 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_roles_capability: test bgp roles negotiation +""" + +import json +import os +import sys +import functools +import pytest + +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 +from lib.topolog import logger + +pytestmark = [pytest.mark.bgpd] + + +topodef = {f"s{i}": ("r1", f"r{i}") for i in range(2, 7)} + + +@pytest.fixture(scope="module") +def tgen(request): + tgen = Topogen(topodef, request.module.__name__) + tgen.start_topology() + router_list = tgen.routers() + for rname, router in router_list.items(): + router.load_config(TopoRouter.RD_ZEBRA, "zebra.conf") + router.load_config(TopoRouter.RD_BGP, "bgpd.conf") + tgen.start_router() + yield tgen + tgen.stop_topology() + + +@pytest.fixture(autouse=True) +def skip_on_failure(tgen): + if tgen.routers_have_failure(): + pytest.skip("skipped because of previous test failure") + + +def find_neighbor_status(router, neighbor_ip): + return json.loads(router.vtysh_cmd(f"show bgp neighbors {neighbor_ip} json"))[ + neighbor_ip + ] + + +def check_role_mismatch(router, neighbor_ip): + return is_role_mismatch(find_neighbor_status(router, neighbor_ip)) + + +def is_role_mismatch(neighbor_status): + return ( + neighbor_status["bgpState"] != "Established" + and neighbor_status.get("lastErrorCodeSubcode") == "020B" # <2, 11> + and "Role Mismatch" in neighbor_status.get("lastNotificationReason", "") + ) + + +def check_session_established(router, neighbor_ip): + neighbor_status = find_neighbor_status(router, neighbor_ip) + return neighbor_status["bgpState"] == "Established" + + +def test_correct_pair(tgen): + # provider-customer pair + router = tgen.gears["r1"] + neighbor_ip = "192.168.2.2" + check_r2_established = functools.partial( + check_session_established, router, neighbor_ip + ) + success, result = topotest.run_and_expect( + check_r2_established, True, count=20, wait=3 + ) + assert success, "Session with r2 is not Established" + + neighbor_status = find_neighbor_status(router, neighbor_ip) + assert neighbor_status["localRole"] == "provider" + assert neighbor_status["remoteRole"] == "customer" + assert ( + neighbor_status["neighborCapabilities"].get("role") == "advertisedAndReceived" + ) + + +def test_role_pair_mismatch(tgen): + # provider-peer mistmatch + router = tgen.gears["r3"] + neighbor_ip = "192.168.3.1" + check_r3_mismatch = functools.partial(check_role_mismatch, router, neighbor_ip) + success, result = topotest.run_and_expect(check_r3_mismatch, True, count=20, wait=3) + assert success, "Session between r1 and r3 was not correctly closed" + + +def test_single_role_advertising(tgen): + # provider-undefined pair; we set role + router = tgen.gears["r1"] + neighbor_ip = "192.168.4.2" + check_r4_established = functools.partial( + check_session_established, router, neighbor_ip + ) + success, result = topotest.run_and_expect( + check_r4_established, True, count=20, wait=3 + ) + assert success, "Session with r4 is not Established" + + neighbor_status = find_neighbor_status(router, neighbor_ip) + assert neighbor_status["localRole"] == "provider" + assert neighbor_status["remoteRole"] == "undefined" + assert neighbor_status["neighborCapabilities"].get("role") == "advertised" + + +def test_single_role_receiving(tgen): + # provider-undefined pair; we receive role + router = tgen.gears["r4"] + neighbor_ip = "192.168.4.1" + check_r1_established = functools.partial( + check_session_established, router, neighbor_ip + ) + success, result = topotest.run_and_expect( + check_r1_established, True, count=20, wait=3 + ) + assert success, "Session with r1 is not Established" + + neighbor_status = find_neighbor_status(router, neighbor_ip) + assert neighbor_status["localRole"] == "undefined" + assert neighbor_status["remoteRole"] == "provider" + assert neighbor_status["neighborCapabilities"].get("role") == "received" + + +def test_role_strict_mode(tgen): + # provider-undefined pair with strict-mode + router = tgen.gears["r5"] + neighbor_ip = "192.168.5.1" + check_r5_mismatch = functools.partial(check_role_mismatch, router, neighbor_ip) + success, result = topotest.run_and_expect(check_r5_mismatch, True, count=20, wait=3) + assert success, "Session between r1 and r5 was not correctly closed" + + +def test_correct_pair_peer_group(tgen): + # provider-customer pair (using peer-groups) + router = tgen.gears["r1"] + neighbor_ip = "192.168.6.2" + check_r6_established = functools.partial( + check_session_established, router, neighbor_ip + ) + success, _ = topotest.run_and_expect(check_r6_established, True, count=20, wait=3) + assert success, "Session with r6 is not Established" + + neighbor_status = find_neighbor_status(router, neighbor_ip) + assert neighbor_status["localRole"] == "provider" + assert neighbor_status["remoteRole"] == "customer" + assert ( + neighbor_status["neighborCapabilities"].get("role") == "advertisedAndReceived" + ) + + +if __name__ == "__main__": + args = ["-s"] + sys.argv[1:] + sys.exit(pytest.main(args)) |
