mirror of
https://github.com/FRRouting/frr.git
synced 2025-04-30 13:37:17 +02:00
added new test scaffolding
This commit is contained in:
ben-raskin
parent
bf8e4a3b83
commit
f82840586b
0
tests/topotests/bgp_l3vpn_srv6_rr/__init__.py
Normal file
0
tests/topotests/bgp_l3vpn_srv6_rr/__init__.py
Normal file
582
tests/topotests/bgp_l3vpn_srv6_rr/test_bgp_l3vpn_srv6_rr.py
Normal file
582
tests/topotests/bgp_l3vpn_srv6_rr/test_bgp_l3vpn_srv6_rr.py
Normal file
|
|
@ -0,0 +1,582 @@
|
|||
#!/usr/bin/env python
|
||||
# SPDX-License-Identifier: ISC
|
||||
|
||||
# Copyright (c) 2023 by Louis Scalbert <louis.scalbert@6wind.com>
|
||||
# Copyright 2023 6WIND S.A.
|
||||
|
||||
"""
|
||||
Test BGP L3VPN
|
||||
"""
|
||||
|
||||
import os
|
||||
import re
|
||||
import sys
|
||||
import json
|
||||
import pytest
|
||||
import functools
|
||||
|
||||
from copy import deepcopy
|
||||
|
||||
CWD = os.path.dirname(os.path.realpath(__file__))
|
||||
sys.path.append(os.path.join(CWD, "../"))
|
||||
|
||||
from lib import topotest
|
||||
from lib.topogen import Topogen, TopoRouter, get_topogen
|
||||
from lib.common_config import kill_router_daemons, start_router_daemons, step
|
||||
|
||||
pytestmark = [pytest.mark.bgpd]
|
||||
|
||||
def build_topo(tgen):
|
||||
for rtr in range(1,3):
|
||||
tgen.add_router("r{}".format(rtr))
|
||||
|
||||
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 rtr in range(1, 3):
|
||||
tgen.gears["r{}".format(rtr)].cmd("ip link add vrf1 type vrf table 10")
|
||||
tgen.gears["r{}".format(rtr)].cmd("ip link set vrf1 up")
|
||||
tgen.gears["r{}".format(rtr)].cmd(
|
||||
"ip address add dev vrf1 192.0.3.{}/32".format(rtr)
|
||||
)
|
||||
tgen.gears["r{}".format(rtr)].run(
|
||||
"sysctl -w net.mpls.conf.r{}-eth0.input=1".format(rtr)
|
||||
)
|
||||
tgen.gears["r{}".format(rtr)].run("sysctl -w net.mpls.conf.vrf1.input=1")
|
||||
|
||||
for _, (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_STATIC, os.path.join(CWD, "{}/staticd.conf".format(rname))
|
||||
)
|
||||
router.load_config(
|
||||
TopoRouter.RD_BGP, os.path.join(CWD, "{}/bgpd.conf".format(rname))
|
||||
)
|
||||
router.load_config(
|
||||
TopoRouter.RD_LDP, os.path.join(CWD, "{}/ldpd.conf".format(rname))
|
||||
)
|
||||
|
||||
tgen.start_router()
|
||||
|
||||
|
||||
def teardown_module(mod):
|
||||
tgen = get_topogen()
|
||||
tgen.stop_topology()
|
||||
|
||||
|
||||
def check_bgp_vpn_prefix(label, rname="r1", rd=None):
|
||||
tgen = get_topogen()
|
||||
|
||||
if rd:
|
||||
output = json.loads(
|
||||
tgen.gears[rname].vtysh_cmd(
|
||||
"show bgp ipv4 vpn rd {} 192.0.3.2/32 json".format(rd)
|
||||
)
|
||||
)
|
||||
else:
|
||||
output = json.loads(
|
||||
tgen.gears[rname].vtysh_cmd(
|
||||
"show bgp vrf vrf1 ipv4 unicast 192.0.3.2/32 json"
|
||||
)
|
||||
)
|
||||
|
||||
if label == "auto":
|
||||
expected = {
|
||||
"paths": [
|
||||
{
|
||||
"valid": True,
|
||||
"aspath": {"string": "65002"},
|
||||
"nexthops": [{"ip": "192.0.2.2"}],
|
||||
},
|
||||
]
|
||||
}
|
||||
elif label and not rd:
|
||||
expected = {
|
||||
"paths": [
|
||||
{
|
||||
"valid": True,
|
||||
"remoteLabel": label,
|
||||
"aspath": {"string": "65002"},
|
||||
"nexthops": [{"ip": "192.0.2.2"}],
|
||||
},
|
||||
]
|
||||
}
|
||||
elif label and rd:
|
||||
expected = {
|
||||
"102:1": {
|
||||
"prefix": "192.0.3.2/32",
|
||||
"paths": [
|
||||
{
|
||||
"valid": True,
|
||||
"remoteLabel": label,
|
||||
"nexthops": [{"ip": "0.0.0.0"}],
|
||||
}
|
||||
],
|
||||
}
|
||||
}
|
||||
else:
|
||||
expected = {}
|
||||
|
||||
return topotest.json_cmp(output, expected, exact=(label is None))
|
||||
|
||||
|
||||
def check_mpls_table(label, protocol):
|
||||
tgen = get_topogen()
|
||||
|
||||
if label == "auto":
|
||||
cmd = "show mpls table json"
|
||||
else:
|
||||
cmd = "show mpls table {} json".format(label)
|
||||
|
||||
output = json.loads(tgen.gears["r2"].vtysh_cmd(cmd))
|
||||
|
||||
if label == "auto" and protocol:
|
||||
output_copy = deepcopy(output)
|
||||
for _, data in output_copy.items():
|
||||
for nexthop in data.get("nexthops", []):
|
||||
if nexthop.get("type", None) != protocol:
|
||||
continue
|
||||
output = data
|
||||
break
|
||||
|
||||
if protocol:
|
||||
expected = {
|
||||
"nexthops": [
|
||||
{
|
||||
"type": protocol,
|
||||
},
|
||||
]
|
||||
}
|
||||
else:
|
||||
expected = {}
|
||||
|
||||
return topotest.json_cmp(output, expected, exact=(protocol is None))
|
||||
|
||||
|
||||
def check_mpls_ldp_binding():
|
||||
tgen = get_topogen()
|
||||
|
||||
output = json.loads(
|
||||
tgen.gears["r1"].vtysh_cmd("show mpls ldp binding 192.0.2.2/32 json")
|
||||
)
|
||||
expected = {
|
||||
"bindings": [
|
||||
{
|
||||
"prefix": "192.0.2.2/32",
|
||||
"localLabel": "16", # first available label
|
||||
"inUse": 1,
|
||||
},
|
||||
]
|
||||
}
|
||||
|
||||
return topotest.json_cmp(output, expected)
|
||||
|
||||
|
||||
def test_convergence():
|
||||
"Test protocol convergence"
|
||||
|
||||
tgen = get_topogen()
|
||||
|
||||
if tgen.routers_have_failure():
|
||||
pytest.skip(tgen.errors)
|
||||
|
||||
step("Check BGP and LDP convergence")
|
||||
test_func = functools.partial(check_bgp_vpn_prefix, 2222)
|
||||
_, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
|
||||
assert result is None, "Failed to see BGP prefix on R1"
|
||||
|
||||
test_func = functools.partial(check_mpls_ldp_binding)
|
||||
_, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
|
||||
assert result is None, "Failed to see LDP binding on R2"
|
||||
|
||||
test_func = functools.partial(check_mpls_table, 16, "LDP")
|
||||
_, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
|
||||
assert result is None, "Failed to see LDP label on R2"
|
||||
|
||||
test_func = functools.partial(check_mpls_table, 2222, "BGP")
|
||||
_, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
|
||||
assert result is None, "Failed to see BGP label on R2"
|
||||
|
||||
output = tgen.net["r2"].cmd("vtysh -c 'show debugging label-table' | grep Proto")
|
||||
assert re.match(
|
||||
r"Proto ldp: \[16/(1[7-9]|[2-9]\d+|\d{3,})\]", output
|
||||
), "Failed to see LDP label chunk"
|
||||
|
||||
output = tgen.gears["r2"].vtysh_cmd("show debugging label-table")
|
||||
assert "Proto bgp: [2222/2222]" in output, "Failed to see BGP label chunk"
|
||||
|
||||
|
||||
def test_vpn_label_export_16():
|
||||
"Test that assigning the label value of 16 is not possible because it used by LDP"
|
||||
|
||||
tgen = get_topogen()
|
||||
|
||||
if tgen.routers_have_failure():
|
||||
pytest.skip(tgen.errors)
|
||||
|
||||
tgen.gears["r2"].vtysh_cmd(
|
||||
"conf\n"
|
||||
"router bgp 65002 vrf vrf1\n"
|
||||
"address-family ipv4 unicast\n"
|
||||
"label vpn export 16"
|
||||
)
|
||||
|
||||
step("Check that label vpn export 16 fails")
|
||||
test_func = functools.partial(check_bgp_vpn_prefix, None)
|
||||
_, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
|
||||
assert result is None, "Unexpected BGP prefix on R1"
|
||||
|
||||
test_func = functools.partial(check_mpls_ldp_binding)
|
||||
_, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
|
||||
assert result is None, "Failed to see LDP binding on R2"
|
||||
|
||||
test_func = functools.partial(check_mpls_table, 16, "LDP")
|
||||
_, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
|
||||
assert result is None, "Failed to see LDP label on R2"
|
||||
|
||||
test_func = functools.partial(check_mpls_table, 2222, None)
|
||||
_, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
|
||||
assert result is None, "Unexpected BGP label on R2"
|
||||
|
||||
output = tgen.net["r2"].cmd("vtysh -c 'show debugging label-table' | grep Proto")
|
||||
assert re.match(
|
||||
r"Proto ldp: \[16/(1[7-9]|[2-9]\d+|\d{3,})\]", output
|
||||
), "Failed to see LDP label chunk"
|
||||
|
||||
output = tgen.gears["r2"].vtysh_cmd("show debugging label-table")
|
||||
assert "Proto bgp" not in output, "Unexpected BGP label chunk"
|
||||
|
||||
|
||||
def test_vpn_label_export_2222():
|
||||
"Test that setting back the label value of 2222 works"
|
||||
|
||||
tgen = get_topogen()
|
||||
|
||||
if tgen.routers_have_failure():
|
||||
pytest.skip(tgen.errors)
|
||||
|
||||
tgen.gears["r2"].vtysh_cmd(
|
||||
"conf\n"
|
||||
"router bgp 65002 vrf vrf1\n"
|
||||
"address-family ipv4 unicast\n"
|
||||
"label vpn export 2222"
|
||||
)
|
||||
|
||||
step("Check that label vpn export 2222 is OK")
|
||||
test_func = functools.partial(check_bgp_vpn_prefix, 2222)
|
||||
_, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
|
||||
assert result is None, "Failed to see BGP prefix on R1"
|
||||
|
||||
test_func = functools.partial(check_mpls_ldp_binding)
|
||||
_, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
|
||||
assert result is None, "Failed to see LDP binding on R2"
|
||||
|
||||
test_func = functools.partial(check_mpls_table, 16, "LDP")
|
||||
_, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
|
||||
assert result is None, "Failed to see LDP label on R2"
|
||||
|
||||
test_func = functools.partial(check_mpls_table, "auto", "BGP")
|
||||
_, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
|
||||
assert result is None, "Unexpected BGP label on R2"
|
||||
|
||||
output = tgen.net["r2"].cmd("vtysh -c 'show debugging label-table' | grep Proto")
|
||||
assert re.match(
|
||||
r"Proto ldp: \[16/(1[7-9]|[2-9]\d+|\d{3,})\]", output
|
||||
), "Failed to see LDP label chunk"
|
||||
|
||||
output = tgen.gears["r2"].vtysh_cmd("show debugging label-table")
|
||||
assert "Proto bgp: [2222/2222]" in output, "Failed to see BGP label chunk"
|
||||
|
||||
|
||||
def test_vpn_label_export_auto():
|
||||
"Test that setting label vpn export auto works"
|
||||
|
||||
tgen = get_topogen()
|
||||
|
||||
if tgen.routers_have_failure():
|
||||
pytest.skip(tgen.errors)
|
||||
|
||||
tgen.gears["r2"].vtysh_cmd(
|
||||
"conf\n"
|
||||
"router bgp 65002 vrf vrf1\n"
|
||||
"address-family ipv4 unicast\n"
|
||||
"label vpn export auto"
|
||||
)
|
||||
|
||||
step("Check that label vpn export auto is OK")
|
||||
test_func = functools.partial(check_bgp_vpn_prefix, "auto")
|
||||
_, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
|
||||
assert result is None, "Failed to see BGP prefix on R1"
|
||||
|
||||
test_func = functools.partial(check_mpls_ldp_binding)
|
||||
_, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
|
||||
assert result is None, "Failed to see LDP binding on R2"
|
||||
|
||||
test_func = functools.partial(check_mpls_table, 16, "LDP")
|
||||
_, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
|
||||
assert result is None, "Failed to see LDP label on R2"
|
||||
|
||||
test_func = functools.partial(check_mpls_table, "auto", "BGP")
|
||||
_, result = topotest.run_and_expect(test_func, None, count=10, wait=0.5)
|
||||
assert result is None, "Failed to see BGP label on R2"
|
||||
|
||||
output = tgen.net["r2"].cmd("vtysh -c 'show debugging label-table' | grep Proto")
|
||||
assert re.match(
|
||||
r"Proto ldp: \[16/(1[7-9]|[2-9]\d+|\d{3,})\]", output
|
||||
), "Failed to see LDP label chunk"
|
||||
|
||||
output = tgen.gears["r2"].vtysh_cmd("show debugging label-table")
|
||||
assert "Proto bgp: " in output, "Failed to see BGP label chunk"
|
||||
|
||||
|
||||
def test_vpn_label_export_no_auto():
|
||||
"Test that UNsetting label vpn export auto removes the prefix from R1 table and R2 LDP table"
|
||||
|
||||
tgen = get_topogen()
|
||||
|
||||
if tgen.routers_have_failure():
|
||||
pytest.skip(tgen.errors)
|
||||
|
||||
output = json.loads(
|
||||
tgen.gears["r1"].vtysh_cmd("show bgp vrf vrf1 ipv4 unicast 192.0.3.2/32 json")
|
||||
)
|
||||
|
||||
auto_label = output.get("paths")[0].get("remoteLabel", None)
|
||||
assert auto_label is not None, "Failed to fetch prefix label on R1"
|
||||
|
||||
tgen.gears["r2"].vtysh_cmd(
|
||||
"conf\n"
|
||||
"router bgp 65002 vrf vrf1\n"
|
||||
"address-family ipv4 unicast\n"
|
||||
"no label vpn export auto"
|
||||
)
|
||||
|
||||
step("Check that no label vpn export auto is OK")
|
||||
test_func = functools.partial(check_bgp_vpn_prefix, 3, rname="r2", rd="102:1")
|
||||
_, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
|
||||
assert result is None, "Unexpected BGP prefix on R2"
|
||||
|
||||
test_func = functools.partial(check_mpls_ldp_binding)
|
||||
_, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
|
||||
assert result is None, "Failed to see LDP binding on R2"
|
||||
|
||||
test_func = functools.partial(check_mpls_table, 16, "LDP")
|
||||
_, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
|
||||
assert result is None, "Failed to see LDP label on R2"
|
||||
|
||||
test_func = functools.partial(check_mpls_table, auto_label, None)
|
||||
_, result = topotest.run_and_expect(test_func, None, count=10, wait=0.5)
|
||||
assert result is None, "Unexpected BGP label on R2"
|
||||
|
||||
output = tgen.net["r2"].cmd("vtysh -c 'show debugging label-table' | grep Proto")
|
||||
assert re.match(
|
||||
r"Proto ldp: \[16/(1[7-9]|[2-9]\d+|\d{3,})\]", output
|
||||
), "Failed to see LDP label chunk"
|
||||
|
||||
output = tgen.gears["r2"].vtysh_cmd("show debugging label-table")
|
||||
assert "Proto bgp: " not in output, "Unexpected BGP label chunk"
|
||||
|
||||
|
||||
def test_vpn_label_export_auto_back():
|
||||
"Test that setting back label vpn export auto works"
|
||||
|
||||
tgen = get_topogen()
|
||||
|
||||
if tgen.routers_have_failure():
|
||||
pytest.skip(tgen.errors)
|
||||
|
||||
output = json.loads(
|
||||
tgen.gears["r2"].vtysh_cmd("show bgp vrf vrf1 ipv4 unicast 192.0.3.2/32 json")
|
||||
)
|
||||
|
||||
tgen.gears["r2"].vtysh_cmd(
|
||||
"conf\n"
|
||||
"router bgp 65002 vrf vrf1\n"
|
||||
"address-family ipv4 unicast\n"
|
||||
"label vpn export auto"
|
||||
)
|
||||
|
||||
step("Check that label vpn export auto is OK")
|
||||
test_func = functools.partial(check_bgp_vpn_prefix, "auto")
|
||||
_, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
|
||||
assert result is None, "Failed to see BGP prefix on R1"
|
||||
|
||||
test_func = functools.partial(check_mpls_ldp_binding)
|
||||
_, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
|
||||
assert result is None, "Failed to see LDP binding on R2"
|
||||
|
||||
test_func = functools.partial(check_mpls_table, 16, "LDP")
|
||||
_, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
|
||||
assert result is None, "Failed to see LDP label on R2"
|
||||
|
||||
test_func = functools.partial(check_mpls_table, "auto", "BGP")
|
||||
_, result = topotest.run_and_expect(test_func, None, count=10, wait=0.5)
|
||||
assert result is None, "Failed to see BGP label on R2"
|
||||
|
||||
output = tgen.net["r2"].cmd("vtysh -c 'show debugging label-table' | grep Proto")
|
||||
assert re.match(
|
||||
r"Proto ldp: \[16/(1[7-9]|[2-9]\d+|\d{3,})\]", output
|
||||
), "Failed to see LDP label chunk"
|
||||
|
||||
output = tgen.gears["r2"].vtysh_cmd("show debugging label-table")
|
||||
assert "Proto bgp: " in output, "Failed to see BGP label chunk"
|
||||
|
||||
|
||||
def test_vpn_label_export_manual_from_auto():
|
||||
"Test that setting a manual label value from the BGP chunk range works"
|
||||
|
||||
tgen = get_topogen()
|
||||
|
||||
if tgen.routers_have_failure():
|
||||
pytest.skip(tgen.errors)
|
||||
|
||||
output = json.loads(
|
||||
tgen.gears["r1"].vtysh_cmd("show bgp vrf vrf1 ipv4 unicast 192.0.3.2/32 json")
|
||||
)
|
||||
|
||||
auto_label = output.get("paths")[0].get("remoteLabel", None)
|
||||
assert auto_label is not None, "Failed to fetch prefix label on R1"
|
||||
|
||||
auto_label = auto_label + 1
|
||||
|
||||
tgen.gears["r2"].vtysh_cmd(
|
||||
"conf\n"
|
||||
"router bgp 65002 vrf vrf1\n"
|
||||
"address-family ipv4 unicast\n"
|
||||
"label vpn export {}".format(auto_label)
|
||||
)
|
||||
|
||||
step("Check that label vpn export {} is OK".format(auto_label))
|
||||
test_func = functools.partial(
|
||||
check_bgp_vpn_prefix, auto_label, rname="r2", rd="102:1"
|
||||
)
|
||||
_, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
|
||||
assert result is None, "Failed to see BGP prefix on R2"
|
||||
|
||||
test_func = functools.partial(check_mpls_ldp_binding)
|
||||
_, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
|
||||
assert result is None, "Failed to see LDP binding on R2"
|
||||
|
||||
test_func = functools.partial(check_mpls_table, 16, "LDP")
|
||||
_, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
|
||||
assert result is None, "Failed to see LDP label on R2"
|
||||
|
||||
test_func = functools.partial(check_mpls_table, auto_label, "BGP")
|
||||
_, result = topotest.run_and_expect(test_func, None, count=10, wait=0.5)
|
||||
assert result is None, "Failed to see BGP label on R2"
|
||||
|
||||
output = tgen.net["r2"].cmd("vtysh -c 'show debugging label-table' | grep Proto")
|
||||
assert re.match(
|
||||
r"Proto ldp: \[16/(1[7-9]|[2-9]\d+|\d{3,})\]", output
|
||||
), "Failed to see LDP label chunk"
|
||||
|
||||
output = tgen.gears["r2"].vtysh_cmd("show debugging label-table")
|
||||
assert "Proto bgp: " in output, "Failed to see BGP label chunk"
|
||||
|
||||
|
||||
def test_vpn_label_configure_dynamic_range():
|
||||
"Test that if a dynamic range is configured, then the next dynamic allocations will be done in that block"
|
||||
|
||||
tgen = get_topogen()
|
||||
|
||||
if tgen.routers_have_failure():
|
||||
pytest.skip(tgen.errors)
|
||||
tgen.gears["r2"].vtysh_cmd("conf\n" "mpls label dynamic-block 500 1000\n")
|
||||
tgen.gears["r2"].vtysh_cmd(
|
||||
"conf\n"
|
||||
"router bgp 65002 vrf vrf1\n"
|
||||
"address-family ipv4 unicast\n"
|
||||
"label vpn export auto"
|
||||
)
|
||||
step("Check that label vpn export auto starting at 500 is OK")
|
||||
test_func = functools.partial(check_bgp_vpn_prefix, 500, rname="r2", rd="102:1")
|
||||
_, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
|
||||
assert result is None, "Unexpected BGP prefix on R2"
|
||||
|
||||
test_func = functools.partial(check_mpls_table, 500, "BGP")
|
||||
_, result = topotest.run_and_expect(test_func, None, count=10, wait=0.5)
|
||||
assert result is None, "Unexpected BGP label on R2"
|
||||
|
||||
output = tgen.gears["r2"].vtysh_cmd("show debugging label-table")
|
||||
assert "Proto bgp: " in output, "Failed to see BGP label chunk"
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
args = ["-s"] + sys.argv[1:]
|
||||
sys.exit(pytest.main(args))
|
||||
|
||||
|
||||
def test_vpn_label_restart_ldp():
|
||||
"Test that if a dynamic range is configured, then when LDP restarts, it follows the new dynamic range"
|
||||
|
||||
tgen = get_topogen()
|
||||
|
||||
if tgen.routers_have_failure():
|
||||
pytest.skip(tgen.errors)
|
||||
|
||||
router_list = tgen.routers()
|
||||
|
||||
step("Kill LDP on R2")
|
||||
kill_router_daemons(tgen, "r2", ["ldpd"])
|
||||
|
||||
output = tgen.gears["r2"].vtysh_cmd("show debugging label-table")
|
||||
assert "Proto ldp: " not in output, "Unexpected LDP label chunk"
|
||||
|
||||
step("Bring up LDP on R2")
|
||||
|
||||
start_router_daemons(tgen, "r2", ["ldpd"])
|
||||
|
||||
test_func = functools.partial(check_mpls_table, 628, "LDP")
|
||||
_, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
|
||||
assert result is None, "Failed to see LDP label on R2"
|
||||
|
||||
output = tgen.gears["r2"].vtysh_cmd("show debugging label-table")
|
||||
assert "Proto ldp: [628/691]" in output, "Failed to see LDP label chunk [628/691]"
|
||||
assert "Proto ldp: [692/755]" in output, "Failed to see LDP label chunk [692/755]"
|
||||
|
||||
|
||||
def test_vpn_label_unconfigure_dynamic_range():
|
||||
"Test that if the dynamic range is unconfigured, then the next dynamic allocations will be done at the first free place."
|
||||
|
||||
tgen = get_topogen()
|
||||
|
||||
if tgen.routers_have_failure():
|
||||
pytest.skip(tgen.errors)
|
||||
tgen.gears["r2"].vtysh_cmd("conf\n" "no mpls label dynamic-block 500 1000\n")
|
||||
step("Check that unconfiguring label vpn export auto will remove BGP label chunk")
|
||||
tgen.gears["r2"].vtysh_cmd(
|
||||
"conf\n"
|
||||
"router bgp 65002 vrf vrf1\n"
|
||||
"address-family ipv4 unicast\n"
|
||||
"no label vpn export auto"
|
||||
)
|
||||
|
||||
output = tgen.gears["r2"].vtysh_cmd("show debugging label-table")
|
||||
assert "Proto bgp: " not in output, "Unexpected BGP label chunk"
|
||||
|
||||
tgen.gears["r2"].vtysh_cmd(
|
||||
"conf\n"
|
||||
"router bgp 65002 vrf vrf1\n"
|
||||
"address-family ipv4 unicast\n"
|
||||
"label vpn export auto"
|
||||
)
|
||||
step("Check that label vpn export auto starting at 16 is OK")
|
||||
test_func = functools.partial(check_bgp_vpn_prefix, 16, rname="r2", rd="102:1")
|
||||
_, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
|
||||
assert result is None, "Unexpected BGP prefix on R2"
|
||||
|
||||
test_func = functools.partial(check_mpls_table, 16, "BGP")
|
||||
_, result = topotest.run_and_expect(test_func, None, count=10, wait=0.5)
|
||||
assert result is None, "Unexpected BGP label on R2"
|
||||
|
||||
output = tgen.gears["r2"].vtysh_cmd("show debugging label-table")
|
||||
assert "Proto bgp: " in output, "Failed to see BGP label chunk"
|
||||
Loading…
Reference in a new issue