frr/tests/topotests/all_protocol_startup/test_all_protocol_startup.py
Daniel Baumann 3aa6220597
Adding upstream version 10.2.
Signed-off-by: Daniel Baumann <daniel@debian.org>
2025-02-05 10:17:11 +01:00

1806 lines
62 KiB
Python

#!/usr/bin/env python
# SPDX-License-Identifier: ISC
#
# test_all_protocol_startup.py
# Part of NetDEF Topology Tests
#
# Copyright (c) 2017 by
# Network Device Education Foundation, Inc. ("NetDEF")
#
"""
test_all_protocol_startup.py: Test of all protocols at same time
"""
import os
import re
import sys
import pytest
import glob
from time import sleep
pytestmark = [
pytest.mark.babeld,
pytest.mark.bgpd,
pytest.mark.isisd,
pytest.mark.nhrpd,
pytest.mark.ospfd,
pytest.mark.pbrd,
pytest.mark.ripd,
]
sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
from lib import topotest
from lib.topogen import Topogen, get_topogen
from lib.common_config import (
required_linux_kernel_version,
)
import json
import functools
# Global that must be set on a failure to stop subsequent tests from being run
fatal_error = ""
#####################################################
##
## Network Topology Definition
##
#####################################################
def build_topo(tgen):
router = tgen.add_router("r1")
for i in range(0, 10):
tgen.add_switch("sw{}".format(i)).add_link(router)
#####################################################
##
## Tests starting
##
#####################################################
def setup_module(module):
global fatal_error
print("\n\n** {}: Setup Topology".format(module.__name__))
print("******************************************\n")
thisDir = os.path.dirname(os.path.realpath(__file__))
tgen = Topogen(build_topo, module.__name__)
tgen.start_topology()
net = tgen.net
if net["r1"].get_routertype() != "frr":
fatal_error = "Test is only implemented for FRR"
sys.stderr.write("\n\nTest is only implemented for FRR - Skipping\n\n")
pytest.skip(fatal_error)
# Starting Routers
#
# Main router
for i in range(1, 2):
net["r{}".format(i)].loadConf("mgmtd", "{}/r{}/zebra.conf".format(thisDir, i))
net["r{}".format(i)].loadConf("zebra", "{}/r{}/zebra.conf".format(thisDir, i))
net["r{}".format(i)].loadConf("ripd", "{}/r{}/ripd.conf".format(thisDir, i))
net["r{}".format(i)].loadConf("ripngd", "{}/r{}/ripngd.conf".format(thisDir, i))
net["r{}".format(i)].loadConf("ospfd", "{}/r{}/ospfd.conf".format(thisDir, i))
if net["r1"].checkRouterVersion("<", "4.0"):
net["r{}".format(i)].loadConf(
"ospf6d", "{}/r{}/ospf6d.conf-pre-v4".format(thisDir, i)
)
else:
net["r{}".format(i)].loadConf(
"ospf6d", "{}/r{}/ospf6d.conf".format(thisDir, i)
)
net["r{}".format(i)].loadConf("isisd", "{}/r{}/isisd.conf".format(thisDir, i))
net["r{}".format(i)].loadConf("bgpd", "{}/r{}/bgpd.conf".format(thisDir, i))
if net["r{}".format(i)].daemon_available("ldpd"):
# Only test LDPd if it's installed and Kernel >= 4.5
net["r{}".format(i)].loadConf("ldpd", "{}/r{}/ldpd.conf".format(thisDir, i))
net["r{}".format(i)].loadConf("sharpd")
net["r{}".format(i)].loadConf("nhrpd", "{}/r{}/nhrpd.conf".format(thisDir, i))
net["r{}".format(i)].loadConf("babeld", "{}/r{}/babeld.conf".format(thisDir, i))
net["r{}".format(i)].loadConf("pbrd", "{}/r{}/pbrd.conf".format(thisDir, i))
tgen.gears["r{}".format(i)].start()
# For debugging after starting FRR daemons, uncomment the next line
# tgen.mininet_cli()
def teardown_module(module):
print("\n\n** {}: Shutdown Topology".format(module.__name__))
print("******************************************\n")
tgen = get_topogen()
tgen.stop_topology()
def test_router_running():
global fatal_error
tgen = get_topogen()
net = tgen.net
# Skip if previous fatal error condition is raised
if fatal_error != "":
pytest.skip(fatal_error)
print("\n\n** Check if FRR is running on each Router node")
print("******************************************\n")
sleep(5)
# Starting Routers
for i in range(1, 2):
fatal_error = net["r{}".format(i)].checkRouterRunning()
assert fatal_error == "", fatal_error
# For debugging after starting FRR daemons, uncomment the next line
# tgen.mininet_cli()
def test_error_messages_vtysh():
global fatal_error
net = get_topogen().net
# Skip if previous fatal error condition is raised
if fatal_error != "":
pytest.skip(fatal_error)
print("\n\n** Check for error messages on VTYSH")
print("******************************************\n")
for i in range(1, 2):
#
# First checking Standard Output
#
# VTYSH output from router
vtystdout = (
net["r{}".format(i)].cmd('vtysh -c "show version" 2> /dev/null').rstrip()
)
# Fix newlines (make them all the same)
vtystdout = ("\n".join(vtystdout.splitlines()) + "\n").rstrip()
# Drop everything starting with "FRRouting X.xx" message
vtystdout = re.sub(r"FRRouting [0-9]+.*", "", vtystdout, flags=re.DOTALL)
if vtystdout == "":
print("r{} StdOut ok".format(i))
assert (
vtystdout == ""
), "Vtysh StdOut Output check failed for router r{}".format(i)
#
# Second checking Standard Error
#
# VTYSH StdErr output from router
vtystderr = (
net["r{}".format(i)].cmd('vtysh -c "show version" > /dev/null').rstrip()
)
# Fix newlines (make them all the same)
vtystderr = ("\n".join(vtystderr.splitlines()) + "\n").rstrip()
# # Drop everything starting with "FRRouting X.xx" message
# vtystderr = re.sub(r"FRRouting [0-9]+.*", "", vtystderr, flags=re.DOTALL)
if vtystderr == "":
print("r{} StdErr ok".format(i))
assert (
vtystderr == ""
), "Vtysh StdErr Output check failed for router r{}".format(i)
# Make sure that all daemons are running
for i in range(1, 2):
fatal_error = net["r{}".format(i)].checkRouterRunning()
assert fatal_error == "", fatal_error
def test_error_messages_daemons():
global fatal_error
net = get_topogen().net
# Skip if previous fatal error condition is raised
if fatal_error != "":
pytest.skip(fatal_error)
if os.environ.get("TOPOTESTS_CHECK_STDERR") is None:
print(
"SKIPPED final check on StdErr output: Disabled (TOPOTESTS_CHECK_STDERR undefined)\n"
)
pytest.skip("Skipping test for Stderr output")
print("\n\n** Check for error messages in daemons")
print("******************************************\n")
error_logs = ""
for i in range(1, 2):
log = net["r{}".format(i)].getStdErr("ripd")
if log:
error_logs += "r{} RIPd StdErr Output:\n".format(i)
error_logs += log
log = net["r{}".format(i)].getStdErr("ripngd")
if log:
error_logs += "r{} RIPngd StdErr Output:\n".format(i)
error_logs += log
log = net["r{}".format(i)].getStdErr("ospfd")
if log:
error_logs += "r{} OSPFd StdErr Output:\n".format(i)
error_logs += log
log = net["r{}".format(i)].getStdErr("ospf6d")
if log:
error_logs += "r{} OSPF6d StdErr Output:\n".format(i)
error_logs += log
log = net["r{}".format(i)].getStdErr("isisd")
# ISIS shows debugging enabled status on StdErr
# Remove these messages
log = re.sub(r"^IS-IS .* debugging is on.*", "", log).rstrip()
if log:
error_logs += "r{} ISISd StdErr Output:\n".format(i)
error_logs += log
log = net["r{}".format(i)].getStdErr("bgpd")
if log:
error_logs += "r{} BGPd StdErr Output:\n".format(i)
error_logs += log
if net["r{}".format(i)].daemon_available("ldpd"):
log = net["r{}".format(i)].getStdErr("ldpd")
if log:
error_logs += "r{} LDPd StdErr Output:\n".format(i)
error_logs += log
log = net["r1"].getStdErr("nhrpd")
# NHRPD shows YANG model not embedded messages
# Ignore these
log = re.sub(r".*YANG model.*not embedded.*", "", log).rstrip()
if log:
error_logs += "r{} NHRPd StdErr Output:\n".format(i)
error_logs += log
log = net["r1"].getStdErr("babeld")
if log:
error_logs += "r{} BABELd StdErr Output:\n".format(i)
error_logs += log
log = net["r1"].getStdErr("pbrd")
if log:
error_logs += "r{} PBRd StdErr Output:\n".format(i)
error_logs += log
log = net["r{}".format(i)].getStdErr("zebra")
if log:
error_logs += "r{} Zebra StdErr Output:\n".format(i)
error_logs += log
if error_logs:
sys.stderr.write(
"Failed check for StdErr Output on daemons:\n{}\n".format(error_logs)
)
# Ignoring the issue if told to ignore (ie not yet fixed)
if error_logs != "":
if os.environ.get("bamboo_TOPOTESTS_ISSUE_349") == "IGNORE":
sys.stderr.write(
"Known issue - IGNORING. See https://github.com/FRRouting/frr/issues/349\n"
)
pytest.skip(
"Known issue - IGNORING. See https://github.com/FRRouting/frr/issues/349"
)
assert error_logs == "", "Daemons report errors to StdErr"
def test_converge_protocols():
global fatal_error
net = get_topogen().net
# Skip if previous fatal error condition is raised
if fatal_error != "":
pytest.skip(fatal_error)
thisDir = os.path.dirname(os.path.realpath(__file__))
# We need loopback to have a link local so it always is the
# "selected" router for fe80::/64 when we static compare below.
print("Adding link-local to loopback for stable results")
cmd = (
"mac=`cat /sys/class/net/lo/address`; echo lo: $mac;"
" [ -z \"$mac\" ] && continue; IFS=':'; set $mac; unset IFS;"
" ip address add dev lo scope link"
" fe80::$(printf %02x $((0x$1 ^ 2)))$2:${3}ff:fe$4:$5$6/64"
)
net["r1"].cmd_raises(cmd)
print("\n\n** Waiting for protocols convergence")
print("******************************************\n")
# Not really implemented yet - just sleep 60 secs for now
sleep(5)
# Make sure that all daemons are running
failures = 0
for i in range(1, 2):
fatal_error = net["r{}".format(i)].checkRouterRunning()
assert fatal_error == "", fatal_error
print("Show that v4 routes are right\n")
v4_routesFile = "{}/r{}/ipv4_routes.ref".format(thisDir, i)
expected = (
net["r{}".format(i)]
.cmd("sort {} 2> /dev/null".format(v4_routesFile))
.rstrip()
)
expected = ("\n".join(expected.splitlines()) + "\n").splitlines(1)
actual = (
net["r{}".format(i)]
.cmd(
"vtysh -c \"show ip route\" | sed -e '/^Codes: /,/^\\s*$/d' | sort 2> /dev/null"
)
.rstrip()
)
# Drop time in last update
actual = re.sub(r" [0-2][0-9]:[0-5][0-9]:[0-5][0-9]", " XX:XX:XX", actual)
actual = ("\n".join(actual.splitlines()) + "\n").splitlines(1)
diff = topotest.get_textdiff(
actual,
expected,
title1="Actual IP Routing Table",
title2="Expected IP RoutingTable",
)
if diff:
sys.stderr.write("r{} failed IP Routing table check:\n{}\n".format(i, diff))
failures += 1
else:
print("r{} ok".format(i))
assert failures == 0, "IP Routing table failed for r{}\n{}".format(i, diff)
failures = 0
print("Show that v6 routes are right\n")
v6_routesFile = "{}/r{}/ipv6_routes.ref".format(thisDir, i)
expected = (
net["r{}".format(i)]
.cmd("sort {} 2> /dev/null".format(v6_routesFile))
.rstrip()
)
expected = ("\n".join(expected.splitlines()) + "\n").splitlines(1)
actual = (
net["r{}".format(i)]
.cmd(
"vtysh -c \"show ipv6 route\" | sed -e '/^Codes: /,/^\\s*$/d' | sort 2> /dev/null"
)
.rstrip()
)
# Drop time in last update
actual = re.sub(r" [0-2][0-9]:[0-5][0-9]:[0-5][0-9]", " XX:XX:XX", actual)
actual = ("\n".join(actual.splitlines()) + "\n").splitlines(1)
diff = topotest.get_textdiff(
actual,
expected,
title1="Actual IPv6 Routing Table",
title2="Expected IPv6 RoutingTable",
)
if diff:
sys.stderr.write(
"r{} failed IPv6 Routing table check:\n{}\n".format(i, diff)
)
failures += 1
else:
print("r{} ok".format(i))
assert failures == 0, "IPv6 Routing table failed for r{}\n{}".format(i, diff)
def route_get_nhg_id(route_str):
global fatal_error
def get_func(route_str):
net = get_topogen().net
output = net["r1"].cmd(
'vtysh -c "show ip route {} nexthop-group"'.format(route_str)
)
match = re.search(r"Nexthop Group ID: (\d+)", output)
if match is not None:
nhg_id = int(match.group(1))
return nhg_id
else:
return None
test_func = functools.partial(get_func, route_str)
_, nhg_id = topotest.run_and_expect_type(test_func, int, count=30, wait=1)
if nhg_id == None:
fatal_error = "Nexthop Group ID not found for route {}".format(route_str)
assert nhg_id != None, fatal_error
else:
return nhg_id
def verify_nexthop_group(nhg_id, recursive=False, ecmp=0):
net = get_topogen().net
count = 0
valid = None
ecmpcount = None
depends = None
resolved_id = None
installed = None
found = False
while not found and count < 10:
count += 1
# Verify NHG is valid/installed
output = net["r1"].cmd('vtysh -c "show nexthop-group rib {}"'.format(nhg_id))
valid = re.search(r"Valid", output)
if valid is None:
found = False
sleep(1)
continue
if ecmp or recursive:
ecmpcount = re.search(r"Depends:.*\n", output)
if ecmpcount is None:
found = False
sleep(1)
continue
# list of IDs in group
depends = re.findall(r"\((\d+)\)", ecmpcount.group(0))
if ecmp:
if len(depends) != ecmp:
found = False
sleep(1)
continue
else:
# If recursive, we need to look at its resolved group
if len(depends) != 1:
found = False
sleep(1)
continue
resolved_id = int(depends[0])
verify_nexthop_group(resolved_id, False)
else:
installed = re.search(r"Installed", output)
if installed is None:
found = False
sleep(1)
continue
found = True
assert valid is not None, "Nexthop Group ID={} not marked Valid".format(nhg_id)
if ecmp or recursive:
assert ecmpcount is not None, "Nexthop Group ID={} has no depends".format(
nhg_id
)
if ecmp:
assert (
len(depends) == ecmp
), "Nexthop Group ID={} doesn't match ecmp size".format(nhg_id)
else:
assert (
len(depends) == 1
), "Nexthop Group ID={} should only have one recursive depend".format(
nhg_id
)
else:
assert installed is not None, "Nexthop Group ID={} not marked Installed".format(
nhg_id
)
def verify_route_nexthop_group(route_str, recursive=False, ecmp=0):
global fatal_error
# Verify route and that zebra created NHGs for and they are valid/installed
nhg_id = route_get_nhg_id(route_str)
verify_nexthop_group(nhg_id, recursive, ecmp)
def test_nexthop_groups():
global fatal_error
net = get_topogen().net
# Skip if previous fatal error condition is raised
if fatal_error != "":
pytest.skip(fatal_error)
print("\n\n** Verifying Nexthop Groups")
print("******************************************\n")
### Nexthop Group Tests
## Basic test
# Create a lib nexthop-group
net["r1"].cmd(
'vtysh -c "c t" -c "nexthop-group basic" -c "nexthop 1.1.1.1" -c "nexthop 1.1.1.2"'
)
# Create with sharpd using nexthop-group
net["r1"].cmd('vtysh -c "sharp install routes 2.2.2.1 nexthop-group basic 1"')
verify_route_nexthop_group("2.2.2.1/32")
## Connected
net["r1"].cmd(
'vtysh -c "c t" -c "nexthop-group connected" -c "nexthop r1-eth1" -c "nexthop r1-eth2"'
)
net["r1"].cmd('vtysh -c "sharp install routes 2.2.2.2 nexthop-group connected 1"')
verify_route_nexthop_group("2.2.2.2/32")
## Recursive
net["r1"].cmd(
'vtysh -c "c t" -c "nexthop-group basic-recursive" -c "nexthop 2.2.2.1"'
)
net["r1"].cmd(
'vtysh -c "sharp install routes 3.3.3.1 nexthop-group basic-recursive 1"'
)
verify_route_nexthop_group("3.3.3.1/32", True)
## Duplicate
net["r1"].cmd(
'vtysh -c "c t" -c "nexthop-group duplicate" -c "nexthop 2.2.2.1" -c "nexthop 1.1.1.1"'
)
net["r1"].cmd('vtysh -c "sharp install routes 3.3.3.2 nexthop-group duplicate 1"')
verify_route_nexthop_group("3.3.3.2/32")
## Two 4-Way ECMP
net["r1"].cmd(
'vtysh -c "c t" -c "nexthop-group fourA" -c "nexthop 1.1.1.1" -c "nexthop 1.1.1.2" \
-c "nexthop 1.1.1.3" -c "nexthop 1.1.1.4"'
)
net["r1"].cmd('vtysh -c "sharp install routes 4.4.4.1 nexthop-group fourA 1"')
verify_route_nexthop_group("4.4.4.1/32")
net["r1"].cmd(
'vtysh -c "c t" -c "nexthop-group fourB" -c "nexthop 1.1.1.5" -c "nexthop 1.1.1.6" \
-c "nexthop 1.1.1.7" -c "nexthop 1.1.1.8"'
)
net["r1"].cmd('vtysh -c "sharp install routes 4.4.4.2 nexthop-group fourB 1"')
verify_route_nexthop_group("4.4.4.2/32")
## Recursive to 8-Way ECMP
net["r1"].cmd(
'vtysh -c "c t" -c "nexthop-group eight-recursive" -c "nexthop 4.4.4.1" -c "nexthop 4.4.4.2"'
)
net["r1"].cmd(
'vtysh -c "sharp install routes 5.5.5.1 nexthop-group eight-recursive 1"'
)
verify_route_nexthop_group("5.5.5.1/32")
## 4-way ECMP Routes Pointing to Each Other
# This is to check for a bug with NH resolution where
# routes would infintely resolve to each other blowing
# up the resolved-> nexthop pointer.
net["r1"].cmd(
'vtysh -c "c t" -c "nexthop-group infinite-recursive" -c "nexthop 6.6.6.1" -c "nexthop 6.6.6.2" \
-c "nexthop 6.6.6.3" -c "nexthop 6.6.6.4"'
)
# static route nexthops can recurse to
net["r1"].cmd('vtysh -c "c t" -c "ip route 6.6.6.0/24 1.1.1.1"')
# Make routes that point to themselves in ecmp
net["r1"].cmd(
'vtysh -c "sharp install routes 6.6.6.4 nexthop-group infinite-recursive 1"'
)
sleep(5)
net["r1"].cmd(
'vtysh -c "sharp install routes 6.6.6.3 nexthop-group infinite-recursive 1"'
)
sleep(5)
net["r1"].cmd(
'vtysh -c "sharp install routes 6.6.6.2 nexthop-group infinite-recursive 1"'
)
sleep(5)
net["r1"].cmd(
'vtysh -c "sharp install routes 6.6.6.1 nexthop-group infinite-recursive 1"'
)
# Get routes and test if has too many (duplicate) nexthops
count = 0
dups = []
nhg_id = route_get_nhg_id("6.6.6.1/32")
while (len(dups) != 4) and count < 10:
output = net["r1"].cmd('vtysh -c "show nexthop-group rib {}"'.format(nhg_id))
dups = re.findall(r"(via 1\.1\.1\.1)", output)
if len(dups) != 4:
count += 1
sleep(1)
# Should find 3, itself is inactive
assert (
len(dups) == 4
), "Route 6.6.6.1/32 with Nexthop Group ID={} has wrong number of resolved nexthops".format(
nhg_id
)
## Remove all NHG routes
net["r1"].cmd('vtysh -c "sharp remove routes 2.2.2.1 1"')
net["r1"].cmd('vtysh -c "sharp remove routes 2.2.2.2 1"')
net["r1"].cmd('vtysh -c "sharp remove routes 3.3.3.1 1"')
net["r1"].cmd('vtysh -c "sharp remove routes 3.3.3.2 1"')
net["r1"].cmd('vtysh -c "sharp remove routes 4.4.4.1 1"')
net["r1"].cmd('vtysh -c "sharp remove routes 4.4.4.2 1"')
net["r1"].cmd('vtysh -c "sharp remove routes 5.5.5.1 1"')
net["r1"].cmd('vtysh -c "sharp remove routes 6.6.6.1 4"')
net["r1"].cmd('vtysh -c "c t" -c "no ip route 6.6.6.0/24 1.1.1.1"')
def test_rip_status():
global fatal_error
net = get_topogen().net
# Skip if previous fatal error condition is raised
if fatal_error != "":
pytest.skip(fatal_error)
thisDir = os.path.dirname(os.path.realpath(__file__))
print("\n\n** Verifying RIP status")
print("******************************************\n")
failures = 0
for i in range(1, 2):
refTableFile = "{}/r{}/rip_status.ref".format(thisDir, i)
if os.path.isfile(refTableFile):
# Read expected result from file
expected = open(refTableFile).read().rstrip()
# Fix newlines (make them all the same)
expected = ("\n".join(expected.splitlines()) + "\n").splitlines(1)
# Actual output from router
actual = (
net["r{}".format(i)]
.cmd('vtysh -c "show ip rip status" 2> /dev/null')
.rstrip()
)
# Drop time in next due
actual = re.sub(r"in [0-9]+ seconds", "in XX seconds", actual)
# Drop time in last update
actual = re.sub(r" [0-2][0-9]:[0-5][0-9]:[0-5][0-9]", " XX:XX:XX", actual)
# Fix newlines (make them all the same)
actual = ("\n".join(actual.splitlines()) + "\n").splitlines(1)
# Generate Diff
diff = topotest.get_textdiff(
actual,
expected,
title1="actual IP RIP status",
title2="expected IP RIP status",
)
# Empty string if it matches, otherwise diff contains unified diff
if diff:
sys.stderr.write(
"r{} failed IP RIP status check:\n{}\n".format(i, diff)
)
failures += 1
else:
print("r{} ok".format(i))
assert failures == 0, "IP RIP status failed for router r{}:\n{}".format(
i, diff
)
# Make sure that all daemons are running
for i in range(1, 2):
fatal_error = net["r{}".format(i)].checkRouterRunning()
assert fatal_error == "", fatal_error
def test_ripng_status():
global fatal_error
net = get_topogen().net
# Skip if previous fatal error condition is raised
if fatal_error != "":
pytest.skip(fatal_error)
thisDir = os.path.dirname(os.path.realpath(__file__))
print("\n\n** Verifying RIPng status")
print("******************************************\n")
failures = 0
for i in range(1, 2):
refTableFile = "{}/r{}/ripng_status.ref".format(thisDir, i)
if os.path.isfile(refTableFile):
# Read expected result from file
expected = open(refTableFile).read().rstrip()
# Fix newlines (make them all the same)
expected = ("\n".join(expected.splitlines()) + "\n").splitlines(1)
# Actual output from router
actual = (
net["r{}".format(i)]
.cmd('vtysh -c "show ipv6 ripng status" 2> /dev/null')
.rstrip()
)
# Mask out Link-Local mac address portion. They are random...
actual = re.sub(r" fe80::[0-9a-f:]+", " fe80::XXXX:XXXX:XXXX:XXXX", actual)
# Drop time in next due
actual = re.sub(r"in [0-9]+ seconds", "in XX seconds", actual)
# Drop time in last update
actual = re.sub(r" [0-2][0-9]:[0-5][0-9]:[0-5][0-9]", " XX:XX:XX", actual)
# Fix newlines (make them all the same)
actual = ("\n".join(actual.splitlines()) + "\n").splitlines(1)
# Generate Diff
diff = topotest.get_textdiff(
actual,
expected,
title1="actual IPv6 RIPng status",
title2="expected IPv6 RIPng status",
)
# Empty string if it matches, otherwise diff contains unified diff
if diff:
sys.stderr.write(
"r{} failed IPv6 RIPng status check:\n{}\n".format(i, diff)
)
failures += 1
else:
print("r{} ok".format(i))
assert failures == 0, "IPv6 RIPng status failed for router r{}:\n{}".format(
i, diff
)
# Make sure that all daemons are running
for i in range(1, 2):
fatal_error = net["r{}".format(i)].checkRouterRunning()
assert fatal_error == "", fatal_error
def test_ospfv2_interfaces():
global fatal_error
net = get_topogen().net
# Skip if previous fatal error condition is raised
if fatal_error != "":
pytest.skip(fatal_error)
thisDir = os.path.dirname(os.path.realpath(__file__))
print("\n\n** Verifying OSPFv2 interfaces")
print("******************************************\n")
failures = 0
for i in range(1, 2):
refTableFile = "{}/r{}/show_ip_ospf_interface.ref".format(thisDir, i)
if os.path.isfile(refTableFile):
# Read expected result from file
expected = open(refTableFile).read().rstrip()
# Fix newlines (make them all the same)
expected = ("\n".join(expected.splitlines()) + "\n").splitlines(1)
# Actual output from router
actual = (
net["r{}".format(i)]
.cmd('vtysh -c "show ip ospf interface" 2> /dev/null')
.rstrip()
)
# Mask out Bandwidth portion. They may change..
actual = re.sub(r"BW [0-9]+ Mbit", "BW XX Mbit", actual)
actual = re.sub(r"ifindex [0-9]+", "ifindex X", actual)
# Drop time in next due
actual = re.sub(r"Hello due in [0-9\.]+s", "Hello due in XX.XXXs", actual)
actual = re.sub(
r"Hello due in [0-9\.]+ usecs", "Hello due in XX.XXXs", actual
)
# Fix 'MTU mismatch detection: enabled' vs 'MTU mismatch detection:enabled' - accept both
actual = re.sub(
r"MTU mismatch detection:([a-z]+.*)",
r"MTU mismatch detection: \1",
actual,
)
# Fix newlines (make them all the same)
actual = ("\n".join(actual.splitlines()) + "\n").splitlines(1)
# Generate Diff
diff = topotest.get_textdiff(
actual,
expected,
title1="actual SHOW IP OSPF INTERFACE",
title2="expected SHOW IP OSPF INTERFACE",
)
# Empty string if it matches, otherwise diff contains unified diff
if diff:
sys.stderr.write(
"r{} failed SHOW IP OSPF INTERFACE check:\n{}\n".format(i, diff)
)
failures += 1
else:
print("r{} ok".format(i))
# Ignoring the issue if told to ignore (ie not yet fixed)
if failures != 0:
if os.environ.get("bamboo_TOPOTESTS_ISSUE_348") == "IGNORE":
sys.stderr.write(
"Known issue - IGNORING. See https://github.com/FRRouting/frr/issues/348\n"
)
pytest.skip(
"Known issue - IGNORING. See https://github.com/FRRouting/frr/issues/348"
)
assert (
failures == 0
), "SHOW IP OSPF INTERFACE failed for router r{}:\n{}".format(i, diff)
# Make sure that all daemons are running
for i in range(1, 2):
fatal_error = net["r{}".format(i)].checkRouterRunning()
assert fatal_error == "", fatal_error
def test_isis_interfaces():
global fatal_error
net = get_topogen().net
# Skip if previous fatal error condition is raised
if fatal_error != "":
pytest.skip(fatal_error)
thisDir = os.path.dirname(os.path.realpath(__file__))
print("\n\n** Verifying ISIS interfaces")
print("******************************************\n")
failures = 0
for i in range(1, 2):
refTableFile = "{}/r{}/show_isis_interface_detail.ref".format(thisDir, i)
if os.path.isfile(refTableFile):
# Read expected result from file
expected = open(refTableFile).read().rstrip()
# Fix newlines (make them all the same)
expected = ("\n".join(expected.splitlines()) + "\n").splitlines(1)
# Actual output from router
actual = (
net["r{}".format(i)]
.cmd('vtysh -c "show isis interface detail" 2> /dev/null')
.rstrip()
)
# Mask out Link-Local mac address portion. They are random...
actual = re.sub(r"fe80::[0-9a-f:]+", "fe80::XXXX:XXXX:XXXX:XXXX", actual)
# Mask out SNPA mac address portion. They are random...
actual = re.sub(r"SNPA: [0-9a-f\.]+", "SNPA: XXXX.XXXX.XXXX", actual)
# Mask out Circuit ID number
actual = re.sub(r"Circuit Id: 0x[0-9a-f]+", "Circuit Id: 0xXX", actual)
# Fix newlines (make them all the same)
actual = ("\n".join(actual.splitlines()) + "\n").splitlines(1)
# Generate Diff
diff = topotest.get_textdiff(
actual,
expected,
title1="actual SHOW ISIS INTERFACE DETAIL",
title2="expected SHOW ISIS OSPF6 INTERFACE DETAIL",
)
# Empty string if it matches, otherwise diff contains unified diff
if diff:
sys.stderr.write(
"r{} failed SHOW ISIS INTERFACE DETAIL check:\n{}\n".format(i, diff)
)
failures += 1
else:
print("r{} ok".format(i))
assert (
failures == 0
), "SHOW ISIS INTERFACE DETAIL failed for router r{}:\n{}".format(i, diff)
# Make sure that all daemons are running
for i in range(1, 2):
fatal_error = net["r{}".format(i)].checkRouterRunning()
assert fatal_error == "", fatal_error
def test_bgp_summary():
global fatal_error
net = get_topogen().net
# Skip if previous fatal error condition is raised
if fatal_error != "":
pytest.skip(fatal_error)
thisDir = os.path.dirname(os.path.realpath(__file__))
print("\n\n** Verifying BGP Summary")
print("******************************************\n")
failures = 0
for i in range(1, 2):
refTableFile = "{}/r{}/show_ip_bgp_summary.ref".format(thisDir, i)
if os.path.isfile(refTableFile):
# Read expected result from file
expected_original = open(refTableFile).read().rstrip()
for arguments in [
"",
"remote-as internal",
"remote-as external",
"remote-as 100",
"remote-as 123",
"neighbor 192.168.7.10",
"neighbor 192.168.7.10",
"neighbor fc00:0:0:8::1000",
"neighbor 10.0.0.1",
"terse",
"remote-as internal terse",
"remote-as external terse",
"remote-as 100 terse",
"remote-as 123 terse",
"neighbor 192.168.7.10 terse",
"neighbor 192.168.7.10 terse",
"neighbor fc00:0:0:8::1000 terse",
"neighbor 10.0.0.1 terse",
]:
# Actual output from router
actual = (
net["r{}".format(i)]
.cmd(
'vtysh -c "show ip bgp summary ' + arguments + '" 2> /dev/null'
)
.rstrip()
)
# Mask out "using XXiXX bytes" portion. They are random...
actual = re.sub(r"using [0-9]+ bytes", "using XXXX bytes", actual)
# Mask out "using XiXXX KiB" portion. They are random...
actual = re.sub(r"using [0-9]+ KiB", "using XXXX KiB", actual)
# Remove extra summaries which exist with newer versions
# Remove summary lines (changed recently)
actual = re.sub(r"Total number.*", "", actual)
actual = re.sub(r"Displayed.*", "", actual)
# Remove IPv4 Unicast Summary (Title only)
actual = re.sub(r"IPv4 Unicast Summary:", "", actual)
# Remove IPv4 Multicast Summary (all of it)
actual = re.sub(r"IPv4 Multicast Summary:", "", actual)
actual = re.sub(r"No IPv4 Multicast neighbor is configured", "", actual)
# Remove IPv4 VPN Summary (all of it)
actual = re.sub(r"IPv4 VPN Summary:", "", actual)
actual = re.sub(r"No IPv4 VPN neighbor is configured", "", actual)
# Remove IPv4 Encap Summary (all of it)
actual = re.sub(r"IPv4 Encap Summary:", "", actual)
actual = re.sub(r"No IPv4 Encap neighbor is configured", "", actual)
# Remove Unknown Summary (all of it)
actual = re.sub(r"Unknown Summary:", "", actual)
actual = re.sub(r"No Unknown neighbor is configured", "", actual)
# Make Connect/Active/Idle the same (change them all to Active)
actual = re.sub(r" Connect ", " Active ", actual)
actual = re.sub(r" Idle ", " Active ", actual)
actual = re.sub(r"IPv4 labeled-unicast Summary:", "", actual)
actual = re.sub(
r"No IPv4 labeled-unicast neighbor is configured", "", actual
)
expected = expected_original
# apply argumentss on expected output
if "internal" in arguments or "remote-as 100" in arguments:
expected = re.sub(r".+\s+200\s+.+", "", expected)
elif "external" in arguments:
expected = re.sub(r".+\s+100\s+.+Active.+", "", expected)
elif "remote-as 123" in arguments:
expected = re.sub(
r"(192.168.7.(1|2)0|fc00:0:0:8::(1|2)000).+Active.+",
"",
expected,
)
expected = re.sub(r"\nNeighbor.+Desc", "", expected)
expected = expected + "% No matching neighbor\n"
elif "192.168.7.10" in arguments:
expected = re.sub(
r"(192.168.7.20|fc00:0:0:8::(1|2)000).+Active.+", "", expected
)
elif "fc00:0:0:8::1000" in arguments:
expected = re.sub(
r"(192.168.7.(1|2)0|fc00:0:0:8::2000).+Active.+", "", expected
)
elif "10.0.0.1" in arguments:
expected = "No such neighbor in this view/vrf"
if "terse" in arguments:
expected = re.sub(r"BGP table version .+", "", expected)
expected = re.sub(r"RIB entries .+", "", expected)
expected = re.sub(r"Peers [0-9]+, using .+", "", expected)
# Strip empty lines
actual = actual.lstrip().rstrip()
expected = expected.lstrip().rstrip()
actual = re.sub(r"\n+", "\n", actual)
expected = re.sub(r"\n+", "\n", expected)
# reapply initial formatting
if "terse" in arguments:
actual = re.sub(r" vrf-id 0\n", " vrf-id 0\n\n", actual)
expected = re.sub(r" vrf-id 0\n", " vrf-id 0\n\n", expected)
else:
actual = re.sub(r"KiB of memory\n", "KiB of memory\n\n", actual)
expected = re.sub(r"KiB of memory\n", "KiB of memory\n\n", expected)
# realign expected neighbor columns if needed
try:
idx_actual = (
re.search(r"(Neighbor\s+V\s+)", actual).group(1).find("V")
)
idx_expected = (
re.search(r"(Neighbor\s+V\s+)", expected).group(1).find("V")
)
idx_diff = idx_expected - idx_actual
if idx_diff > 0:
# Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
expected = re.sub(" " * idx_diff + "V ", "V ", expected)
# 192.168.7.10 4 100 0 0 0 0 0 never Active
expected = re.sub(" " * idx_diff + "4 ", "4 ", expected)
except AttributeError:
pass
# Fix newlines (make them all the same)
actual = ("\n".join(actual.splitlines()) + "\n").splitlines(1)
expected = ("\n".join(expected.splitlines()) + "\n").splitlines(1)
# Generate Diff
diff = topotest.get_textdiff(
actual,
expected,
title1="actual SHOW IP BGP SUMMARY " + arguments.upper(),
title2="expected SHOW IP BGP SUMMARY " + arguments.upper(),
)
# Empty string if it matches, otherwise diff contains unified diff
if diff:
sys.stderr.write(
"r{} failed SHOW IP BGP SUMMARY check:\n{}\n".format(i, diff)
)
failures += 1
else:
print("r{} ok".format(i))
assert (
failures == 0
), "SHOW IP BGP SUMMARY failed for router r{}:\n{}".format(i, diff)
# Make sure that all daemons are running
for i in range(1, 2):
fatal_error = net["r{}".format(i)].checkRouterRunning()
assert fatal_error == "", fatal_error
def test_bgp_ipv6_summary():
global fatal_error
net = get_topogen().net
# Skip if previous fatal error condition is raised
if fatal_error != "":
pytest.skip(fatal_error)
thisDir = os.path.dirname(os.path.realpath(__file__))
print("\n\n** Verifying BGP IPv6 Summary")
print("******************************************\n")
failures = 0
for i in range(1, 2):
refTableFile = "{}/r{}/show_bgp_ipv6_summary.ref".format(thisDir, i)
if os.path.isfile(refTableFile):
# Read expected result from file
expected = open(refTableFile).read().rstrip()
# Fix newlines (make them all the same)
expected = ("\n".join(expected.splitlines()) + "\n").splitlines(1)
# Actual output from router
actual = (
net["r{}".format(i)]
.cmd('vtysh -c "show bgp ipv6 summary" 2> /dev/null')
.rstrip()
)
# Mask out "using XXiXX bytes" portion. They are random...
actual = re.sub(r"using [0-9]+ bytes", "using XXXX bytes", actual)
# Mask out "using XiXXX KiB" portion. They are random...
actual = re.sub(r"using [0-9]+ KiB", "using XXXX KiB", actual)
#
# Remove extra summaries which exist with newer versions
#
# Remove summary lines (changed recently)
actual = re.sub(r"Total number.*", "", actual)
actual = re.sub(r"Displayed.*", "", actual)
# Remove IPv4 Unicast Summary (Title only)
actual = re.sub(r"IPv6 Unicast Summary:", "", actual)
# Remove IPv4 Multicast Summary (all of it)
actual = re.sub(r"IPv6 Multicast Summary:", "", actual)
actual = re.sub(r"No IPv6 Multicast neighbor is configured", "", actual)
# Remove IPv4 VPN Summary (all of it)
actual = re.sub(r"IPv6 VPN Summary:", "", actual)
actual = re.sub(r"No IPv6 VPN neighbor is configured", "", actual)
# Remove IPv4 Encap Summary (all of it)
actual = re.sub(r"IPv6 Encap Summary:", "", actual)
actual = re.sub(r"No IPv6 Encap neighbor is configured", "", actual)
# Remove Unknown Summary (all of it)
actual = re.sub(r"Unknown Summary:", "", actual)
actual = re.sub(r"No Unknown neighbor is configured", "", actual)
# Make Connect/Active/Idle the same (change them all to Active)
actual = re.sub(r" Connect ", " Active ", actual)
actual = re.sub(r" Idle ", " Active ", actual)
# Remove Labeled Unicast Summary (all of it)
actual = re.sub(r"IPv6 labeled-unicast Summary:", "", actual)
actual = re.sub(
r"No IPv6 labeled-unicast neighbor is configured", "", actual
)
# Strip empty lines
actual = actual.lstrip()
actual = actual.rstrip()
#
# Fix newlines (make them all the same)
actual = ("\n".join(actual.splitlines()) + "\n").splitlines(1)
# Generate Diff
diff = topotest.get_textdiff(
actual,
expected,
title1="actual SHOW BGP IPv6 SUMMARY",
title2="expected SHOW BGP IPv6 SUMMARY",
)
# Empty string if it matches, otherwise diff contains unified diff
if diff:
sys.stderr.write(
"r{} failed SHOW BGP IPv6 SUMMARY check:\n{}\n".format(i, diff)
)
failures += 1
else:
print("r{} ok".format(i))
assert (
failures == 0
), "SHOW BGP IPv6 SUMMARY failed for router r{}:\n{}".format(i, diff)
# Make sure that all daemons are running
for i in range(1, 2):
fatal_error = net["r{}".format(i)].checkRouterRunning()
assert fatal_error == "", fatal_error
def test_nht():
global fatal_error
net = get_topogen().net
# Skip if previous fatal error condition is raised
if fatal_error != "":
pytest.skip(fatal_error)
print("\n\n**** Test that nexthop tracking is at least nominally working ****\n")
thisDir = os.path.dirname(os.path.realpath(__file__))
for i in range(1, 2):
nhtFile = "{}/r{}/ip_nht.ref".format(thisDir, i)
expected = open(nhtFile).read().rstrip()
expected = ("\n".join(expected.splitlines()) + "\n").splitlines(1)
actual = (
net["r{}".format(i)].cmd('vtysh -c "show ip nht" 2> /dev/null').rstrip()
)
actual = re.sub(r"fd [0-9]+", "fd XX", actual)
actual = ("\n".join(actual.splitlines()) + "\n").splitlines(1)
diff = topotest.get_textdiff(
actual,
expected,
title1="Actual `show ip nht`",
title2="Expected `show ip nht`",
)
if diff:
assert 0, "r{} failed ip nht check:\n{}\n".format(i, diff)
else:
print("show ip nht is ok\n")
nhtFile = "{}/r{}/ipv6_nht.ref".format(thisDir, i)
expected = open(nhtFile).read().rstrip()
expected = ("\n".join(expected.splitlines()) + "\n").splitlines(1)
actual = (
net["r{}".format(i)].cmd('vtysh -c "show ipv6 nht" 2> /dev/null').rstrip()
)
actual = re.sub(r"fd [0-9]+", "fd XX", actual)
actual = ("\n".join(actual.splitlines()) + "\n").splitlines(1)
diff = topotest.get_textdiff(
actual,
expected,
title1="Actual `show ip nht`",
title2="Expected `show ip nht`",
)
if diff:
assert 0, "r{} failed ipv6 nht check:\n{}\n".format(i, diff)
else:
print("show ipv6 nht is ok\n")
def test_bgp_ipv4():
global fatal_error
net = get_topogen().net
# Skip if previous fatal error condition is raised
if fatal_error != "":
pytest.skip(fatal_error)
thisDir = os.path.dirname(os.path.realpath(__file__))
print("\n\n** Verifying BGP IPv4")
print("******************************************\n")
diffresult = {}
for i in range(1, 2):
success = 0
for refTableFile in glob.glob("{}/r{}/show_bgp_ipv4*.ref".format(thisDir, i)):
if os.path.isfile(refTableFile):
# Read expected result from file
expected = open(refTableFile).read().rstrip()
# Fix newlines (make them all the same)
expected = ("\n".join(expected.splitlines()) + "\n").splitlines(1)
# Actual output from router
actual = (
net["r{}".format(i)]
.cmd('vtysh -c "show bgp ipv4" 2> /dev/null')
.rstrip()
)
# Remove summary line (changed recently)
actual = re.sub(r"Total number.*", "", actual)
actual = re.sub(r"Displayed.*", "", actual)
actual = actual.rstrip()
# Fix newlines (make them all the same)
actual = ("\n".join(actual.splitlines()) + "\n").splitlines(1)
# Generate Diff
diff = topotest.get_textdiff(
actual,
expected,
title1="actual SHOW BGP IPv4",
title2="expected SHOW BGP IPv4",
)
# Empty string if it matches, otherwise diff contains unified diff
if diff:
diffresult[refTableFile] = diff
else:
success = 1
print("template {} matched: r{} ok".format(refTableFile, i))
break
if not success:
resultstr = "No template matched.\n"
for f in diffresult.keys():
resultstr += (
"template {}: r{} failed SHOW BGP IPv4 check:\n{}\n".format(
f,
i,
diffresult[f],
)
)
raise AssertionError(
"SHOW BGP IPv4 failed for router r{}:\n{}".format(i, resultstr)
)
# Make sure that all daemons are running
for i in range(1, 2):
fatal_error = net["r{}".format(i)].checkRouterRunning()
assert fatal_error == "", fatal_error
def test_bgp_ipv6():
global fatal_error
net = get_topogen().net
# Skip if previous fatal error condition is raised
if fatal_error != "":
pytest.skip(fatal_error)
thisDir = os.path.dirname(os.path.realpath(__file__))
print("\n\n** Verifying BGP IPv6")
print("******************************************\n")
diffresult = {}
for i in range(1, 2):
success = 0
for refTableFile in glob.glob("{}/r{}/show_bgp_ipv6*.ref".format(thisDir, i)):
if os.path.isfile(refTableFile):
# Read expected result from file
expected = open(refTableFile).read().rstrip()
# Fix newlines (make them all the same)
expected = ("\n".join(expected.splitlines()) + "\n").splitlines(1)
# Actual output from router
actual = (
net["r{}".format(i)]
.cmd('vtysh -c "show bgp ipv6" 2> /dev/null')
.rstrip()
)
# Remove summary line (changed recently)
actual = re.sub(r"Total number.*", "", actual)
actual = re.sub(r"Displayed.*", "", actual)
actual = actual.rstrip()
# Fix newlines (make them all the same)
actual = ("\n".join(actual.splitlines()) + "\n").splitlines(1)
# Generate Diff
diff = topotest.get_textdiff(
actual,
expected,
title1="actual SHOW BGP IPv6",
title2="expected SHOW BGP IPv6",
)
# Empty string if it matches, otherwise diff contains unified diff
if diff:
diffresult[refTableFile] = diff
else:
success = 1
print("template {} matched: r{} ok".format(refTableFile, i))
if not success:
resultstr = "No template matched.\n"
for f in diffresult.keys():
resultstr += (
"template {}: r{} failed SHOW BGP IPv6 check:\n{}\n".format(
f,
i,
diffresult[f],
)
)
raise AssertionError(
"SHOW BGP IPv6 failed for router r{}:\n{}".format(i, resultstr)
)
# Make sure that all daemons are running
for i in range(1, 2):
fatal_error = net["r{}".format(i)].checkRouterRunning()
assert fatal_error == "", fatal_error
def test_route_map():
global fatal_error
net = get_topogen().net
if fatal_error != "":
pytest.skip(fatal_error)
thisDir = os.path.dirname(os.path.realpath(__file__))
print("\n\n** Verifying some basic routemap forward references\n")
print("*******************************************************\n")
failures = 0
for i in range(1, 2):
refroutemap = "{}/r{}/show_route_map.ref".format(thisDir, i)
if os.path.isfile(refroutemap):
expected = open(refroutemap).read().rstrip()
expected = ("\n".join(expected.splitlines()) + "\n").splitlines(1)
actual = (
net["r{}".format(i)]
.cmd('vtysh -c "show route-map" 2> /dev/null')
.rstrip()
)
actual = ("\n".join(actual.splitlines()) + "\n").splitlines(1)
diff = topotest.get_textdiff(
actual,
expected,
title1="actual show route-map",
title2="expected show route-map",
)
if diff:
sys.stderr.write(
"r{} failed show route-map command Check:\n{}\n".format(i, diff)
)
failures += 1
else:
print("r{} ok".format(i))
assert (
failures == 0
), "Show route-map command failed for router r{}:\n{}".format(i, diff)
def test_nexthop_groups_with_route_maps():
global fatal_error
net = get_topogen().net
# Skip if previous fatal error condition is raised
if fatal_error != "":
pytest.skip(fatal_error)
print("\n\n** Verifying Nexthop Groups With Route-Maps")
print("******************************************\n")
### Nexthop Group With Route-Map Tests
# Create a lib nexthop-group
net["r1"].cmd(
'vtysh -c "c t" -c "nexthop-group test" -c "nexthop 1.1.1.1" -c "nexthop 1.1.1.2"'
)
## Route-Map Proto Source
route_str = "2.2.2.1"
src_str = "192.168.0.1"
net["r1"].cmd(
'vtysh -c "c t" -c "route-map NH-SRC permit 111" -c "set src {}"'.format(
src_str
)
)
net["r1"].cmd('vtysh -c "c t" -c "ip protocol sharp route-map NH-SRC"')
net["r1"].cmd(
'vtysh -c "sharp install routes {} nexthop-group test 1"'.format(route_str)
)
verify_route_nexthop_group("{}/32".format(route_str))
# Only a valid test on linux using nexthop objects
if sys.platform.startswith("linux"):
output = net["r1"].cmd("ip route show {}/32".format(route_str))
match = re.search(r"src {}".format(src_str), output)
assert match is not None, "Route {}/32 not installed with src {}".format(
route_str,
src_str,
)
# Remove NHG routes and route-map
net["r1"].cmd('vtysh -c "sharp remove routes {} 1"'.format(route_str))
net["r1"].cmd('vtysh -c "c t" -c "no ip protocol sharp route-map NH-SRC"')
net["r1"].cmd(
'vtysh -c "c t" -c "no route-map NH-SRC permit 111" # -c "set src {}"'.format(
src_str
)
)
net["r1"].cmd('vtysh -c "c t" -c "no route-map NH-SRC"')
## Route-Map Deny/Permit with same nexthop group
permit_route_str = "3.3.3.1"
deny_route_str = "3.3.3.2"
net["r1"].cmd(
'vtysh -c "c t" -c "ip prefix-list NOPE seq 5 permit {}/32"'.format(
permit_route_str
)
)
net["r1"].cmd(
'vtysh -c "c t" -c "route-map NOPE permit 111" -c "match ip address prefix-list NOPE"'
)
net["r1"].cmd('vtysh -c "c t" -c "route-map NOPE deny 222"')
net["r1"].cmd('vtysh -c "c t" -c "ip protocol sharp route-map NOPE"')
# This route should be permitted
net["r1"].cmd(
'vtysh -c "sharp install routes {} nexthop-group test 1"'.format(
permit_route_str
)
)
verify_route_nexthop_group("{}/32".format(permit_route_str))
# This route should be denied
net["r1"].cmd(
'vtysh -c "sharp install routes {} nexthop-group test 1"'.format(deny_route_str)
)
nhg_id = route_get_nhg_id(deny_route_str)
output = net["r1"].cmd('vtysh -c "show nexthop-group rib {}"'.format(nhg_id))
match = re.search(r"Valid", output)
assert match is None, "Nexthop Group ID={} should not be marked Valid".format(
nhg_id
)
match = re.search(r"Installed", output)
assert match is None, "Nexthop Group ID={} should not be marked Installed".format(
nhg_id
)
# Remove NHG routes and route-map
net["r1"].cmd('vtysh -c "sharp remove routes {} 1"'.format(permit_route_str))
net["r1"].cmd('vtysh -c "sharp remove routes {} 1"'.format(deny_route_str))
net["r1"].cmd('vtysh -c "c t" -c "no ip protocol sharp route-map NOPE"')
net["r1"].cmd('vtysh -c "c t" -c "no route-map NOPE permit 111"')
net["r1"].cmd('vtysh -c "c t" -c "no route-map NOPE deny 222"')
net["r1"].cmd('vtysh -c "c t" -c "no route-map NOPE"')
net["r1"].cmd(
'vtysh -c "c t" -c "no ip prefix-list NOPE seq 5 permit {}/32"'.format(
permit_route_str
)
)
def test_nexthop_group_replace():
global fatal_error
net = get_topogen().net
# Skip if previous fatal error condition is raised
if fatal_error != "":
pytest.skip(fatal_error)
print("\n\n** Verifying Nexthop Groups")
print("******************************************\n")
### Nexthop Group Tests
## 2-Way ECMP Directly Connected
net["r1"].cmd(
'vtysh -c "c t" -c "nexthop-group replace" -c "nexthop 1.1.1.1 r1-eth1 onlink" -c "nexthop 1.1.1.2 r1-eth2 onlink"'
)
# At the moment there is absolutely no real easy way to query sharpd
# for the nexthop group actually installed. If it is not installed
# sharpd will just transmit the nexthops down instead of the nexthop
# group id. Leading to a situation where the replace is not actually
# being tested. So let's just wait some time here because this
# is hard and this test fails all the time
sleep(5)
# Create with sharpd using nexthop-group
net["r1"].cmd('vtysh -c "sharp install routes 3.3.3.1 nexthop-group replace 1"')
verify_route_nexthop_group("3.3.3.1/32")
# Change the nexthop group
net["r1"].cmd(
'vtysh -c "c t" -c "nexthop-group replace" -c "no nexthop 1.1.1.1 r1-eth1 onlink" -c "nexthop 1.1.1.3 r1-eth1 onlink" -c "nexthop 1.1.1.4 r1-eth4 onlink"'
)
# Verify it updated. We can just check install and ecmp count here.
verify_route_nexthop_group("3.3.3.1/32", False, 3)
def test_mpls_interfaces():
global fatal_error
net = get_topogen().net
# Skip if previous fatal error condition is raised
if fatal_error != "":
pytest.skip(fatal_error)
# Skip if no LDP installed or old kernel
if net["r1"].daemon_available("ldpd") == False:
pytest.skip("No MPLS or kernel < 4.5")
thisDir = os.path.dirname(os.path.realpath(__file__))
print("\n\n** Verifying MPLS Interfaces")
print("******************************************\n")
failures = 0
for i in range(1, 2):
refTableFile = "{}/r{}/show_mpls_ldp_interface.ref".format(thisDir, i)
if os.path.isfile(refTableFile):
# Read expected result from file
expected = open(refTableFile).read().rstrip()
# Fix newlines (make them all the same)
expected = ("\n".join(expected.splitlines()) + "\n").splitlines(1)
# Actual output from router
actual = (
net["r{}".format(i)]
.cmd('vtysh -c "show mpls ldp interface" 2> /dev/null')
.rstrip()
)
# Mask out Timer in Uptime
actual = re.sub(r" [0-9][0-9]:[0-9][0-9]:[0-9][0-9] ", " xx:xx:xx ", actual)
# Fix newlines (make them all the same)
actual = ("\n".join(actual.splitlines()) + "\n").splitlines(1)
# Generate Diff
diff = topotest.get_textdiff(
actual,
expected,
title1="actual MPLS LDP interface status",
title2="expected MPLS LDP interface status",
)
# Empty string if it matches, otherwise diff contains unified diff
if diff:
sys.stderr.write(
"r{} failed MPLS LDP Interface status Check:\n{}\n".format(i, diff)
)
failures += 1
else:
print("r{} ok".format(i))
if failures > 0:
fatal_error = "MPLS LDP Interface status failed"
assert (
failures == 0
), "MPLS LDP Interface status failed for router r{}:\n{}".format(i, diff)
# Make sure that all daemons are running
for i in range(1, 2):
fatal_error = net["r{}".format(i)].checkRouterRunning()
assert fatal_error == "", fatal_error
def test_resilient_nexthop_group():
global fatal_error
net = get_topogen().net
# Skip if previous fatal error condition is raised
if fatal_error != "":
pytest.skip(fatal_error)
result = required_linux_kernel_version("5.19")
if result is not True:
pytest.skip("Kernel requirements are not met, kernel version should be >= 5.19")
net["r1"].cmd(
'vtysh -c "conf" -c "nexthop-group resilience" -c "resilient buckets 64 idle-timer 128 unbalanced-timer 256" -c "nexthop 1.1.1.1 r1-eth1 onlink" -c "nexthop 1.1.1.2 r1-eth2 onlink"'
)
# Temporary helper function
def _show_func():
output = net["r1"].cmd('vtysh -c "show nexthop-group rib sharp"')
buckets = re.findall(r"Buckets", output)
return len(buckets)
_, result = topotest.run_and_expect(_show_func, 1, count=30, wait=1)
if result != 1:
fatal_error = "Resilient NHG not created in zebra"
assert result == 1, fatal_error
output = net["r1"].cmd('vtysh -c "show nexthop-group rib sharp json"')
joutput = json.loads(output)
# Use the json output and collect the nhg id from it
for nhgid in joutput:
n = joutput[nhgid]
if "buckets" in n:
break
if "buckets" not in n:
fatal_error = "Resilient NHG not found in json output"
assert "buckets" in n, fatal_error
verify_nexthop_group(int(nhgid))
# Remove NHG
net["r1"].cmd('vtysh -c "conf" -c "no nexthop-group resilience"')
def test_shutdown_check_stderr():
global fatal_error
net = get_topogen().net
# Skip if previous fatal error condition is raised
if fatal_error != "":
pytest.skip(fatal_error)
print("\n\n** Verifying unexpected STDERR output from daemons")
print("******************************************\n")
if os.environ.get("TOPOTESTS_CHECK_STDERR") is None:
print(
"SKIPPED final check on StdErr output: Disabled (TOPOTESTS_CHECK_STDERR undefined)\n"
)
pytest.skip("Skipping test for Stderr output")
thisDir = os.path.dirname(os.path.realpath(__file__))
print("thisDir=" + thisDir)
net["r1"].stopRouter()
log = net["r1"].getStdErr("ripd")
if log:
print("\nRIPd StdErr Log:\n" + log)
log = net["r1"].getStdErr("ripngd")
if log:
print("\nRIPngd StdErr Log:\n" + log)
log = net["r1"].getStdErr("ospfd")
if log:
print("\nOSPFd StdErr Log:\n" + log)
log = net["r1"].getStdErr("ospf6d")
if log:
print("\nOSPF6d StdErr Log:\n" + log)
log = net["r1"].getStdErr("isisd")
if log:
print("\nISISd StdErr Log:\n" + log)
log = net["r1"].getStdErr("bgpd")
if log:
print("\nBGPd StdErr Log:\n" + log)
log = net["r1"].getStdErr("nhrpd")
if log:
print("\nNHRPd StdErr Log:\n" + log)
log = net["r1"].getStdErr("pbrd")
if log:
print("\nPBRd StdErr Log:\n" + log)
log = net["r1"].getStdErr("babeld")
if log:
print("\nBABELd StdErr Log:\n" + log)
if net["r1"].daemon_available("ldpd"):
log = net["r1"].getStdErr("ldpd")
if log:
print("\nLDPd StdErr Log:\n" + log)
log = net["r1"].getStdErr("zebra")
if log:
print("\nZebra StdErr Log:\n" + log)
def test_shutdown_check_memleak():
global fatal_error
net = get_topogen().net
# Skip if previous fatal error condition is raised
if fatal_error != "":
pytest.skip(fatal_error)
if os.environ.get("TOPOTESTS_CHECK_MEMLEAK") is None:
print(
"SKIPPED final check on Memory leaks: Disabled (TOPOTESTS_CHECK_MEMLEAK undefined)\n"
)
pytest.skip("Skipping test for memory leaks")
thisDir = os.path.dirname(os.path.realpath(__file__))
for i in range(1, 2):
net["r{}".format(i)].stopRouter()
net["r{}".format(i)].report_memory_leaks(
os.environ.get("TOPOTESTS_CHECK_MEMLEAK"), os.path.basename(__file__)
)
if __name__ == "__main__":
# To suppress tracebacks, either use the following pytest call or add "--tb=no" to cli
# retval = pytest.main(["-s", "--tb=no"])
retval = pytest.main(["-s"])
sys.exit(retval)