--- /dev/null
+#!/usr/bin/env python
+
+# Copyright (c) 2022 by
+# Donatas Abraitis <donatas@opensourcerouting.org>
+#
+# 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 if BGP ORF filtering is working correctly when modifying
+prefix-list.
+
+Initially advertise 10.10.10.1/32 from R1 to R2. Add new prefix
+10.10.10.2/32 to r1 prefix list on R2. Test if we updated ORF
+prefix-list correctly.
+"""
+
+import os
+import sys
+import json
+import pytest
+import functools
+
+pytestmark = pytest.mark.bgpd
+
+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
+
+pytestmark = [pytest.mark.bgpd]
+
+
+def setup_module(mod):
+ topodef = {"s1": ("r1", "r2")}
+ tgen = Topogen(topodef, mod.__name__)
+ tgen.start_topology()
+
+ router_list = tgen.routers()
+
+ for i, (rname, router) in enumerate(router_list.items(), 1):
+ router.load_config(
+ TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format(rname))
+ )
+ router.load_config(
+ TopoRouter.RD_BGP, os.path.join(CWD, "{}/bgpd.conf".format(rname))
+ )
+
+ tgen.start_router()
+
+
+def teardown_module(mod):
+ tgen = get_topogen()
+ tgen.stop_topology()
+
+
+def test_bgp_orf():
+ tgen = get_topogen()
+
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ r1 = tgen.gears["r1"]
+ r2 = tgen.gears["r2"]
+
+ def _bgp_converge_r1():
+ output = json.loads(
+ r1.vtysh_cmd(
+ "show bgp ipv4 unicast neighbor 192.168.1.2 advertised-routes json"
+ )
+ )
+ expected = {"advertisedRoutes": {"10.10.10.1/32": {}, "10.10.10.2/32": None}}
+ return topotest.json_cmp(output, expected)
+
+ test_func = functools.partial(_bgp_converge_r1)
+ _, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
+ assert result is None, "Can't apply ORF from R1 to R2"
+
+ def _bgp_converge_r2():
+ output = json.loads(r2.vtysh_cmd("show bgp ipv4 unicast summary json"))
+ expected = {
+ "peers": {
+ "192.168.1.1": {
+ "pfxRcd": 1,
+ "pfxSnt": 1,
+ "state": "Established",
+ "peerState": "OK",
+ }
+ }
+ }
+ return topotest.json_cmp(output, expected)
+
+ test_func = functools.partial(_bgp_converge_r2)
+ _, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
+ assert result is None, "ORF filtering is not working from R1 to R2"
+
+ r2.vtysh_cmd(
+ """
+ configure terminal
+ ip prefix-list r1 seq 10 permit 10.10.10.2/32
+ """
+ )
+
+ def _bgp_orf_changed_r1():
+ output = json.loads(
+ r1.vtysh_cmd(
+ "show bgp ipv4 unicast neighbor 192.168.1.2 advertised-routes json"
+ )
+ )
+ expected = {"advertisedRoutes": {"10.10.10.1/32": {}, "10.10.10.2/32": {}}}
+ return topotest.json_cmp(output, expected)
+
+ test_func = functools.partial(_bgp_orf_changed_r1)
+ _, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
+ assert result is None, "Can't apply new ORF from R1 to R2"
+
+ def _bgp_orf_changed_r2():
+ output = json.loads(r2.vtysh_cmd("show bgp ipv4 unicast json"))
+ expected = {
+ "routes": {
+ "10.10.10.1/32": [{"valid": True}],
+ "10.10.10.2/32": [{"valid": True}],
+ }
+ }
+ return topotest.json_cmp(output, expected)
+
+ test_func = functools.partial(_bgp_orf_changed_r2)
+ _, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
+ assert result is None, "New ORF filtering is not working from R1 to R2"
+
+ r2.vtysh_cmd(
+ """
+ configure terminal
+ no ip prefix-list r1 seq 10 permit 10.10.10.2/32
+ """
+ )
+
+ test_func = functools.partial(_bgp_converge_r1)
+ _, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
+ assert result is None, "Can't apply initial ORF from R1 to R2"
+
+
+if __name__ == "__main__":
+ args = ["-s"] + sys.argv[1:]
+ sys.exit(pytest.main(args))
projects / mirror_frr.git / commitdiff