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143 lines
4.1 KiB
Python
143 lines
4.1 KiB
Python
#!/usr/bin/env python
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#
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# Copyright (c) 2021 by
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# Donatas Abraitis <donatas.abraitis@gmail.com>
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#
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# Permission to use, copy, modify, and/or distribute this software
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# for any purpose with or without fee is hereby granted, provided
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# that the above copyright notice and this permission notice appear
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# in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND NETDEF DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NETDEF BE LIABLE FOR
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# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
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# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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# OF THIS SOFTWARE.
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#
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"""
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Test if `bgp default ipv4-unicast` and `bgp default ipv6-unicast`
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commands work as expected.
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STEP 1: 'Check if neighbor 192.168.255.254 is enabled for ipv4 address-family only'
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STEP 2: 'Check if neighbor 192.168.255.254 is enabled for ipv6 address-family only'
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STEP 3: 'Check if neighbor 192.168.255.254 is enabled for ipv4 and ipv6 address-families'
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"""
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import os
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import sys
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import json
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import pytest
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import functools
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pytestmark = [pytest.mark.bgpd]
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CWD = os.path.dirname(os.path.realpath(__file__))
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sys.path.append(os.path.join(CWD, "../"))
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# pylint: disable=C0413
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from lib import topotest
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from lib.topogen import Topogen, TopoRouter, get_topogen
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from lib.topolog import logger
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from mininet.topo import Topo
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from lib.common_config import step
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class TemplateTopo(Topo):
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def build(self, *_args, **_opts):
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tgen = get_topogen(self)
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for routern in range(1, 5):
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tgen.add_router("r{}".format(routern))
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switch = tgen.add_switch("s1")
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switch.add_link(tgen.gears["r1"])
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switch.add_link(tgen.gears["r2"])
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switch.add_link(tgen.gears["r3"])
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switch.add_link(tgen.gears["r4"])
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def setup_module(mod):
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tgen = Topogen(TemplateTopo, mod.__name__)
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tgen.start_topology()
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router_list = tgen.routers()
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for i, (rname, router) in enumerate(router_list.items(), 1):
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router.load_config(
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TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format(rname))
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)
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router.load_config(
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TopoRouter.RD_BGP, os.path.join(CWD, "{}/bgpd.conf".format(rname))
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)
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tgen.start_router()
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def teardown_module(mod):
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tgen = get_topogen()
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tgen.stop_topology()
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def test_bgp_default_ipv4_ipv6_unicast():
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tgen = get_topogen()
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if tgen.routers_have_failure():
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pytest.skip(tgen.errors)
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step("Check if neighbor 192.168.255.254 is enabled for ipv4 address-family only")
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def _bgp_neighbor_ipv4_af_only():
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tgen.gears["r1"].vtysh_cmd(
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"conf t\nrouter bgp\nneighbor 192.168.255.254 remote-as external"
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)
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output = json.loads(tgen.gears["r1"].vtysh_cmd("show bgp summary json"))
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if "ipv4Unicast" in output and "ipv6Unicast" not in output:
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return True
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return False
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assert _bgp_neighbor_ipv4_af_only() == True
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step("Check if neighbor 192.168.255.254 is enabled for ipv6 address-family only")
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def _bgp_neighbor_ipv6_af_only():
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tgen.gears["r2"].vtysh_cmd(
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"conf t\nrouter bgp\nneighbor 192.168.255.254 remote-as external"
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)
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output = json.loads(tgen.gears["r2"].vtysh_cmd("show bgp summary json"))
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if "ipv4Unicast" not in output and "ipv6Unicast" in output:
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return True
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return False
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assert _bgp_neighbor_ipv6_af_only() == True
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step(
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"Check if neighbor 192.168.255.254 is enabled for ipv4 and ipv6 address-families"
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)
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def _bgp_neighbor_ipv4_and_ipv6_af():
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tgen.gears["r3"].vtysh_cmd(
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"conf t\nrouter bgp\nneighbor 192.168.255.254 remote-as external"
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)
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output = json.loads(tgen.gears["r3"].vtysh_cmd("show bgp summary json"))
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if "ipv4Unicast" in output and "ipv6Unicast" in output:
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return True
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return False
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assert _bgp_neighbor_ipv4_and_ipv6_af() == True
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if __name__ == "__main__":
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args = ["-s"] + sys.argv[1:]
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sys.exit(pytest.main(args))
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