diff --git a/tests/topotests/bgp_asdot_regex/__init__.py b/tests/topotests/bgp_asdot_regex/__init__.py new file mode 100644 index 0000000000..e69de29bb2 diff --git a/tests/topotests/bgp_asdot_regex/r1/bgpd.conf b/tests/topotests/bgp_asdot_regex/r1/bgpd.conf new file mode 100644 index 0000000000..4dd95dd8b7 --- /dev/null +++ b/tests/topotests/bgp_asdot_regex/r1/bgpd.conf @@ -0,0 +1,27 @@ +router bgp 1.1 + no bgp ebgp-requires-policy + no bgp network import-check + neighbor 192.168.255.2 remote-as 1.2 + address-family ipv4 unicast + network 172.31.1.0/24 route-map rmapout + network 172.31.2.0/24 route-map rmapout + neighbor 192.168.255.2 route-map rmapin in + neighbor 192.168.255.2 activate + exit-address-family +exit +bgp as-path access-list only1_4 permit _1.4_ +bgp as-path access-list only65540 permit _65540_ +access-list 172313 permit 172.31.3.0/24 +access-list 172314 permit 172.31.4.0/24 +route-map rmapout permit 1 + set as-path prepend 1.4 +exit +route-map rmapin permit 1 + match ip address 172313 + match as-path only1_4 +exit +route-map rmapin permit 2 + match ip address 172314 + match as-path only65540 +exit + diff --git a/tests/topotests/bgp_asdot_regex/r1/show_bgp_ipv4.json b/tests/topotests/bgp_asdot_regex/r1/show_bgp_ipv4.json new file mode 100644 index 0000000000..e3703bf953 --- /dev/null +++ b/tests/topotests/bgp_asdot_regex/r1/show_bgp_ipv4.json @@ -0,0 +1,80 @@ +{ + "vrfId": 0, + "vrfName": "default", + "tableVersion": 3, + "routerId": "192.168.255.1", + "defaultLocPrf": 100, + "localAS": "1.1", + "routes": { "172.31.1.0/24": [ + { + "valid":true, + "bestpath":true, + "selectionReason":"First path received", + "pathFrom":"external", + "prefix":"172.31.1.0", + "prefixLen":24, + "network":"172.31.1.0/24", + "metric":0, + "weight":32768, + "peerId":"(unspec)", + "path":"1.4", + "origin":"IGP", + "nexthops":[ + { + "ip":"0.0.0.0", + "hostname":"r1", + "afi":"ipv4", + "used":true + } + ] + } +] +,"172.31.2.0/24": [ + { + "valid":true, + "bestpath":true, + "selectionReason":"First path received", + "pathFrom":"external", + "prefix":"172.31.2.0", + "prefixLen":24, + "network":"172.31.2.0/24", + "metric":0, + "weight":32768, + "peerId":"(unspec)", + "path":"1.4", + "origin":"IGP", + "nexthops":[ + { + "ip":"0.0.0.0", + "hostname":"r1", + "afi":"ipv4", + "used":true + } + ] + } +] +,"172.31.3.0/24": [ + { + "valid":true, + "bestpath":true, + "selectionReason":"First path received", + "pathFrom":"external", + "prefix":"172.31.3.0", + "prefixLen":24, + "network":"172.31.3.0/24", + "metric":0, + "weight":0, + "peerId":"192.168.255.2", + "path":"1.2 1.4", + "origin":"IGP", + "nexthops":[ + { + "ip":"192.168.255.2", + "hostname":"r2", + "afi":"ipv4", + "used":true + } + ] + } +] + } } diff --git a/tests/topotests/bgp_asdot_regex/r1/zebra.conf b/tests/topotests/bgp_asdot_regex/r1/zebra.conf new file mode 100644 index 0000000000..6e9b0b4a7e --- /dev/null +++ b/tests/topotests/bgp_asdot_regex/r1/zebra.conf @@ -0,0 +1,6 @@ +! +interface r1-eth0 + ip address 192.168.255.1/24 +! +ip forwarding +! diff --git a/tests/topotests/bgp_asdot_regex/r2/bgpd.conf b/tests/topotests/bgp_asdot_regex/r2/bgpd.conf new file mode 100644 index 0000000000..216dbd19ef --- /dev/null +++ b/tests/topotests/bgp_asdot_regex/r2/bgpd.conf @@ -0,0 +1,26 @@ +router bgp 65538 + no bgp ebgp-requires-policy + no bgp network import-check + neighbor 192.168.255.1 remote-as 65537 + address-family ipv4 unicast + network 172.31.3.0/24 route-map rmapout + network 172.31.4.0/24 route-map rmapout + neighbor 192.168.255.1 route-map rmapin in + neighbor 192.168.255.1 activate + exit-address-family +exit +bgp as-path access-list only65540 permit _65540_ +bgp as-path access-list only1_4 permit _1.4_ +access-list 172311 permit 172.31.1.0/24 +access-list 172312 permit 172.31.2.0/24 +route-map rmapout permit 1 + set as-path prepend 65540 +exit +route-map rmapin permit 1 + match ip address 172311 + match as-path only65540 +exit +route-map rmapin permit 2 + match ip address 172312 + match as-path only1_4 +exit diff --git a/tests/topotests/bgp_asdot_regex/r2/show_bgp_ipv4.json b/tests/topotests/bgp_asdot_regex/r2/show_bgp_ipv4.json new file mode 100644 index 0000000000..1af4ff7e3d --- /dev/null +++ b/tests/topotests/bgp_asdot_regex/r2/show_bgp_ipv4.json @@ -0,0 +1,80 @@ +{ + "vrfId": 0, + "vrfName": "default", + "tableVersion": 3, + "routerId": "192.168.255.2", + "defaultLocPrf": 100, + "localAS": 65538, + "routes": { "172.31.1.0/24": [ + { + "valid":true, + "bestpath":true, + "selectionReason":"First path received", + "pathFrom":"external", + "prefix":"172.31.1.0", + "prefixLen":24, + "network":"172.31.1.0/24", + "metric":0, + "weight":0, + "peerId":"192.168.255.1", + "path":"65537 65540", + "origin":"IGP", + "nexthops":[ + { + "ip":"192.168.255.1", + "hostname":"r1", + "afi":"ipv4", + "used":true + } + ] + } +] +,"172.31.3.0/24": [ + { + "valid":true, + "bestpath":true, + "selectionReason":"First path received", + "pathFrom":"external", + "prefix":"172.31.3.0", + "prefixLen":24, + "network":"172.31.3.0/24", + "metric":0, + "weight":32768, + "peerId":"(unspec)", + "path":"65540", + "origin":"IGP", + "nexthops":[ + { + "ip":"0.0.0.0", + "hostname":"r2", + "afi":"ipv4", + "used":true + } + ] + } +] +,"172.31.4.0/24": [ + { + "valid":true, + "bestpath":true, + "selectionReason":"First path received", + "pathFrom":"external", + "prefix":"172.31.4.0", + "prefixLen":24, + "network":"172.31.4.0/24", + "metric":0, + "weight":32768, + "peerId":"(unspec)", + "path":"65540", + "origin":"IGP", + "nexthops":[ + { + "ip":"0.0.0.0", + "hostname":"r2", + "afi":"ipv4", + "used":true + } + ] + } +] + } } diff --git a/tests/topotests/bgp_asdot_regex/r2/zebra.conf b/tests/topotests/bgp_asdot_regex/r2/zebra.conf new file mode 100644 index 0000000000..6c14de583b --- /dev/null +++ b/tests/topotests/bgp_asdot_regex/r2/zebra.conf @@ -0,0 +1,6 @@ +! +interface r2-eth0 + ip address 192.168.255.2/24 +! +ip forwarding +! diff --git a/tests/topotests/bgp_asdot_regex/test_bgp_asdot_regex.py b/tests/topotests/bgp_asdot_regex/test_bgp_asdot_regex.py new file mode 100644 index 0000000000..5d5f1659e9 --- /dev/null +++ b/tests/topotests/bgp_asdot_regex/test_bgp_asdot_regex.py @@ -0,0 +1,122 @@ +#!/usr/bin/env python + +# +# test_bgp_asdot_regex.py +# Part of Topotests +# +# Copyright 2022 6WIND S.A. +# +# 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_asdot_regex.py: + +Test how regex applies when asnotation to forge bgp config is based on dot or not. +""" + +import os +import sys +import json +import pytest +from functools import partial + +# add after imports, before defining classes or functions: +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 +from lib.topolog import logger + +pytestmark = [pytest.mark.bgpd] + + +def build_topo(tgen): + for routern in range(1, 3): + tgen.add_router("r{}".format(routern)) + + switch = tgen.add_switch("s1") + switch.add_link(tgen.gears["r1"]) + switch.add_link(tgen.gears["r2"]) + + +def setup_module(mod): + tgen = Topogen(build_topo, 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_asdot_regex(): + tgen = get_topogen() + + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + router1 = tgen.gears["r1"] + router2 = tgen.gears["r2"] + + def _bgp_converge(router): + output = json.loads(router.vtysh_cmd("show ip bgp neighbor 192.168.255.2 json")) + expected = { + "192.168.255.2": { + "bgpState": "Established", + "addressFamilyInfo": {"ipv4Unicast": {"acceptedPrefixCounter": 1}}, + } + } + return topotest.json_cmp(output, expected) + + logger.info("Check if neighbor sessions are up in {}".format(router1.name)) + test_func = partial(_bgp_converge, router1) + success, result = topotest.run_and_expect(test_func, None, count=15, wait=0.5) + assert result is None, 'Failed to see BGP convergence in "{}"'.format(router1.name) + + logger.info("BGP neighbor session is up in {}".format(router1.name)) + + logger.info("waiting for bgp peers exchanging UPDATES") + + for router in tgen.routers().values(): + ref_file = "{}/{}/show_bgp_ipv4.json".format(CWD, router.name) + expected = json.loads(open(ref_file).read()) + test_func = partial( + topotest.router_json_cmp, router, "show bgp ipv4 unicast json", expected + ) + _, res = topotest.run_and_expect(test_func, None, count=40, wait=2.5) + assertmsg = "{}: BGP UPDATE exchange failure".format(router.name) + assert res is None, assertmsg + + +if __name__ == "__main__": + args = ["-s"] + sys.argv[1:] + sys.exit(pytest.main(args))