1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
#!/usr/bin/env python
# SPDX-License-Identifier: ISC
#
# test_bfd_topo2.py
# Part of NetDEF Topology Tests
#
# Copyright (c) 2019 by
# Network Device Education Foundation, Inc. ("NetDEF")
#
"""
test_bfd_topo2.py: Test the FRR BFD daemon with multihop and BGP
unnumbered.
"""
import os
import sys
import json
from functools import partial
import pytest
# Save the Current Working Directory to find configuration files.
CWD = os.path.dirname(os.path.realpath(__file__))
sys.path.append(os.path.join(CWD, "../"))
# pylint: disable=C0413
# Import topogen and topotest helpers
from lib import topotest
from lib.topogen import Topogen, TopoRouter, get_topogen
from lib.topolog import logger
pytestmark = [pytest.mark.bfdd, pytest.mark.bgpd, pytest.mark.ospfd]
def setup_module(mod):
"Sets up the pytest environment"
topodef = {
"s1": ("r1", "r2"),
"s2": ("r2", "r3"),
"s3": ("r2", "r4"),
}
tgen = Topogen(topodef, mod.__name__)
tgen.start_topology()
router_list = tgen.routers()
for rname, router in router_list.items():
daemon_file = "{}/{}/zebra.conf".format(CWD, rname)
router.load_config(TopoRouter.RD_ZEBRA, daemon_file)
daemon_file = "{}/{}/bfdd.conf".format(CWD, rname)
if os.path.isfile(daemon_file):
router.load_config(TopoRouter.RD_BFD, daemon_file)
daemon_file = "{}/{}/bgpd.conf".format(CWD, rname)
if os.path.isfile(daemon_file):
router.load_config(TopoRouter.RD_BGP, daemon_file)
daemon_file = "{}/{}/ospfd.conf".format(CWD, rname)
if os.path.isfile(daemon_file):
router.load_config(TopoRouter.RD_OSPF, daemon_file)
daemon_file = "{}/{}/ospf6d.conf".format(CWD, rname)
if os.path.isfile(daemon_file):
router.load_config(TopoRouter.RD_OSPF6, daemon_file)
# Initialize all routers.
tgen.start_router()
def teardown_module(_mod):
"Teardown the pytest environment"
tgen = get_topogen()
tgen.stop_topology()
def test_protocols_convergence():
"""
Assert that all protocols have converged before checking for the BFD
statuses as they depend on it.
"""
tgen = get_topogen()
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
# Check IPv4 routing tables.
logger.info("Checking IPv4 routes for convergence")
for router in tgen.routers().values():
json_file = "{}/{}/ipv4_routes.json".format(CWD, router.name)
if not os.path.isfile(json_file):
logger.info("skipping file {}".format(json_file))
continue
expected = json.loads(open(json_file).read())
test_func = partial(
topotest.router_json_cmp, router, "show ip route json", expected
)
_, result = topotest.run_and_expect(test_func, None, count=40, wait=2)
assertmsg = '"{}" JSON output mismatches'.format(router.name)
assert result is None, assertmsg
# Check IPv6 routing tables.
logger.info("Checking IPv6 routes for convergence")
for router in tgen.routers().values():
json_file = "{}/{}/ipv6_routes.json".format(CWD, router.name)
if not os.path.isfile(json_file):
logger.info("skipping file {}".format(json_file))
continue
expected = json.loads(open(json_file).read())
test_func = partial(
topotest.router_json_cmp, router, "show ipv6 route json", expected
)
_, result = topotest.run_and_expect(test_func, None, count=40, wait=2)
assertmsg = '"{}" JSON output mismatches'.format(router.name)
assert result is None, assertmsg
def test_bfd_connection():
"Assert that the BFD peers can find themselves."
tgen = get_topogen()
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
logger.info("waiting for bfd peers to go up")
for router in tgen.routers().values():
json_file = "{}/{}/peers.json".format(CWD, router.name)
expected = json.loads(open(json_file).read())
test_func = partial(
topotest.router_json_cmp, router, "show bfd peers json", expected
)
_, result = topotest.run_and_expect(test_func, None, count=30, wait=0.5)
assertmsg = '"{}" JSON output mismatches'.format(router.name)
assert result is None, assertmsg
def test_memory_leak():
"Run the memory leak test and report results."
tgen = get_topogen()
if not tgen.is_memleak_enabled():
pytest.skip("Memory leak test/report is disabled")
tgen.report_memory_leaks()
if __name__ == "__main__":
args = ["-s"] + sys.argv[1:]
sys.exit(pytest.main(args))
|
