#!/usr/bin/env python
+# SPDX-License-Identifier: ISC
#
# test_bgp_suppress_fib.py
#
# Copyright (c) 2019 by
#
-# 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.
-#
"""
"""
import os
import sys
import json
-import time
import pytest
from functools import partial
from time import sleep
+from lib.topolog import logger
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
-from mininet.topo import Topo
pytestmark = [pytest.mark.bgpd]
-class TemplateTopo(Topo):
- def build(self, *_args, **_opts):
- tgen = get_topogen(self)
-
- for routern in range(1, 4):
- tgen.add_router("r{}".format(routern))
+def build_topo(tgen):
+ for routern in range(1, 4):
+ tgen.add_router("r{}".format(routern))
- switch = tgen.add_switch("s1")
- switch.add_link(tgen.gears["r1"])
- switch.add_link(tgen.gears["r2"])
+ switch = tgen.add_switch("s1")
+ switch.add_link(tgen.gears["r1"])
+ switch.add_link(tgen.gears["r2"])
- switch = tgen.add_switch("s2")
- switch.add_link(tgen.gears["r2"])
- switch.add_link(tgen.gears["r3"])
+ switch = tgen.add_switch("s2")
+ switch.add_link(tgen.gears["r2"])
+ switch.add_link(tgen.gears["r3"])
def setup_module(mod):
- tgen = Topogen(TemplateTopo, mod.__name__)
+ tgen = Topogen(build_topo, mod.__name__)
tgen.start_topology()
router_list = tgen.routers()
r3 = tgen.gears["r3"]
- sleep(5)
-
json_file = "{}/r3/v4_route.json".format(CWD)
expected = json.loads(open(json_file).read())
"show ip route 40.0.0.0 json",
expected,
)
- _, result = topotest.run_and_expect(test_func, None, count=2, wait=0.5)
+ _, result = topotest.run_and_expect(test_func, None, count=20, wait=0.5)
assertmsg = '"r3" JSON output mismatches'
assert result is None, assertmsg
"show ip route 50.0.0.0 json",
expected,
)
- _, result = topotest.run_and_expect(test_func, None, count=3, wait=0.5)
+ _, result = topotest.run_and_expect(test_func, None, count=10, wait=0.5)
assertmsg = '"r3" JSON output mismatches'
assert result is None, assertmsg
+ json_file = "{}/r3/v4_route3.json".format(CWD)
+ expected = json.loads(open(json_file).read())
+
+ test_func = partial(
+ topotest.router_json_cmp,
+ r3,
+ "show ip route 10.0.0.3 json",
+ expected,
+ )
+ _, result = topotest.run_and_expect(test_func, None, count=10, wait=0.5)
+
+
+def test_bgp_better_admin_won():
+ "A better Admin distance protocol may come along and knock us out"
+
+ tgen = get_topogen()
+
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ r2 = tgen.gears["r2"]
+ r2.vtysh_cmd("conf\nip route 40.0.0.0/8 10.0.0.10")
+
+ json_file = "{}/r2/v4_override.json".format(CWD)
+ expected = json.loads(open(json_file).read())
+
+ logger.info(expected)
+ test_func = partial(
+ topotest.router_json_cmp, r2, "show ip route 40.0.0.0 json", expected
+ )
+
+ _, result = topotest.run_and_expect(test_func, None, count=10, wait=0.5)
+ assertmsg = '"r2" static route did not take over'
+ assert result is None, assertmsg
+
+ r3 = tgen.gears["r3"]
+
+ json_file = "{}/r3/v4_override.json".format(CWD)
+ expected = json.loads(open(json_file).read())
+
+ test_func = partial(
+ topotest.router_json_cmp, r3, "show ip route 40.0.0.0 json", expected
+ )
+
+ _, result = topotest.run_and_expect(test_func, None, count=10, wait=0.5)
+ assertmsg = '"r3" route to 40.0.0.0 should have been lost'
+ assert result is None, assertmsg
+
+ r2.vtysh_cmd("conf\nno ip route 40.0.0.0/8 10.0.0.10")
+
+ json_file = "{}/r3/v4_route.json".format(CWD)
+ expected = json.loads(open(json_file).read())
+
+ test_func = partial(
+ topotest.router_json_cmp,
+ r3,
+ "show ip route 40.0.0.0 json",
+ expected,
+ )
+ _, result = topotest.run_and_expect(test_func, None, count=10, wait=0.5)
+ assertmsg = '"r3" route to 40.0.0.0 did not come back'
+ assert result is None, assertmsg
+
+
+def test_bgp_allow_as_in():
+ tgen = get_topogen()
+
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ r2 = tgen.gears["r2"]
+
+ config_file = "{}/r2/bgpd.allowas_in.conf".format(CWD)
+ r2.run("vtysh -f {}".format(config_file))
+
+ json_file = "{}/r2/bgp_ipv4_allowas.json".format(CWD)
+ expected = json.loads(open(json_file).read())
+
+ test_func = partial(
+ topotest.router_json_cmp,
+ r2,
+ "show bgp ipv4 uni 192.168.1.1/32 json",
+ expected,
+ )
+ _, result = topotest.run_and_expect(test_func, None, count=10, wait=0.5)
+ assertmsg = '"r2" static redistribution failed into bgp'
+ assert result is None, assertmsg
+
+ r1 = tgen.gears["r1"]
+
+ json_file = "{}/r1/bgp_ipv4_allowas.json".format(CWD)
+ expected = json.loads(open(json_file).read())
+
+ test_func = partial(
+ topotest.router_json_cmp,
+ r1,
+ "show bgp ipv4 uni 192.168.1.1/32 json",
+ expected,
+ )
+
+ _, result = topotest.run_and_expect(test_func, None, count=10, wait=0.5)
+ assertmsg = '"r1" 192.168.1.1/32 route should have arrived'
+ assert result is None, assertmsg
+
+ r2.vtysh_cmd("conf\nno ip route 192.168.1.1/32 10.0.0.10")
+
+ json_file = "{}/r2/no_bgp_ipv4_allowas.json".format(CWD)
+ expected = json.loads(open(json_file).read())
+
+ test_func = partial(
+ topotest.router_json_cmp,
+ r2,
+ "show bgp ipv4 uni 192.168.1.1/32 json",
+ expected,
+ )
+
+ _, result = topotest.run_and_expect(test_func, None, count=10, wait=0.5)
+ assertmsg = '"r2" 192.168.1.1/32 route should be gone'
+ assert result is None, assertmsg
+
if __name__ == "__main__":
args = ["-s"] + sys.argv[1:]
projects / mirror_frr.git / blobdiff