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test_protocols_ospf.py
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test_protocols_ospf.py
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#!/usr/bin/env python3
#
# Copyright (C) 2021 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import logging
import sys
import unittest
from base_vyostest_shim import VyOSUnitTestSHIM
from vyos.configsession import ConfigSessionError
from vyos.ifconfig import Section
from vyos.util import process_named_running
from vyos.util import cmd
PROCESS_NAME = 'ospfd'
base_path = ['protocols', 'ospf']
route_map = 'foo-bar-baz10'
log = logging.getLogger('TestProtocolsOSPF')
class TestProtocolsOSPF(VyOSUnitTestSHIM.TestCase):
def setUp(self):
self.cli_set(['policy', 'route-map', route_map, 'rule', '10', 'action', 'permit'])
self.cli_set(['policy', 'route-map', route_map, 'rule', '20', 'action', 'permit'])
def tearDown(self):
# Check for running process
self.assertTrue(process_named_running(PROCESS_NAME))
self.cli_delete(['policy', 'route-map', route_map])
self.cli_delete(base_path)
self.cli_commit()
def test_ospf_01_defaults(self):
# commit changes
self.cli_set(base_path)
self.cli_commit()
# Verify FRR ospfd configuration
frrconfig = self.getFRRconfig('router ospf')
self.assertIn(f'router ospf', frrconfig)
self.assertIn(f' auto-cost reference-bandwidth 100', frrconfig)
self.assertIn(f' timers throttle spf 200 1000 10000', frrconfig) # defaults
def test_ospf_02_simple(self):
router_id = '127.0.0.1'
abr_type = 'ibm'
bandwidth = '1000'
metric = '123'
self.cli_set(base_path + ['auto-cost', 'reference-bandwidth', bandwidth])
self.cli_set(base_path + ['parameters', 'router-id', router_id])
self.cli_set(base_path + ['parameters', 'abr-type', abr_type])
self.cli_set(base_path + ['log-adjacency-changes', 'detail'])
self.cli_set(base_path + ['default-metric', metric])
# commit changes
self.cli_commit()
# Verify FRR ospfd configuration
frrconfig = self.getFRRconfig('router ospf')
self.assertIn(f'router ospf', frrconfig)
self.assertIn(f' auto-cost reference-bandwidth {bandwidth}', frrconfig)
self.assertIn(f' ospf router-id {router_id}', frrconfig)
self.assertIn(f' ospf abr-type {abr_type}', frrconfig)
self.assertIn(f' timers throttle spf 200 1000 10000', frrconfig) # defaults
self.assertIn(f' default-metric {metric}', frrconfig)
def test_ospf_03_access_list(self):
acl = '100'
seq = '10'
protocols = ['bgp', 'connected', 'isis', 'kernel', 'rip', 'static']
self.cli_set(['policy', 'access-list', acl, 'rule', seq, 'action', 'permit'])
self.cli_set(['policy', 'access-list', acl, 'rule', seq, 'source', 'any'])
self.cli_set(['policy', 'access-list', acl, 'rule', seq, 'destination', 'any'])
for ptotocol in protocols:
self.cli_set(base_path + ['access-list', acl, 'export', ptotocol])
# commit changes
self.cli_commit()
# Verify FRR ospfd configuration
frrconfig = self.getFRRconfig('router ospf')
self.assertIn(f'router ospf', frrconfig)
self.assertIn(f' timers throttle spf 200 1000 10000', frrconfig) # defaults
for ptotocol in protocols:
self.assertIn(f' distribute-list {acl} out {ptotocol}', frrconfig) # defaults
self.cli_delete(['policy', 'access-list', acl])
def test_ospf_04_default_originate(self):
seq = '100'
metric = '50'
metric_type = '1'
self.cli_set(base_path + ['default-information', 'originate', 'metric', metric])
self.cli_set(base_path + ['default-information', 'originate', 'metric-type', metric_type])
self.cli_set(base_path + ['default-information', 'originate', 'route-map', route_map])
# commit changes
self.cli_commit()
# Verify FRR ospfd configuration
frrconfig = self.getFRRconfig('router ospf')
self.assertIn(f'router ospf', frrconfig)
self.assertIn(f' timers throttle spf 200 1000 10000', frrconfig) # defaults
self.assertIn(f' default-information originate metric {metric} metric-type {metric_type} route-map {route_map}', frrconfig)
# Now set 'always'
self.cli_set(base_path + ['default-information', 'originate', 'always'])
self.cli_commit()
# Verify FRR ospfd configuration
frrconfig = self.getFRRconfig('router ospf')
self.assertIn(f' default-information originate always metric {metric} metric-type {metric_type} route-map {route_map}', frrconfig)
def test_ospf_05_options(self):
global_distance = '128'
intra_area = '100'
inter_area = '110'
external = '120'
on_startup = '30'
on_shutdown = '60'
refresh = '50'
self.cli_set(base_path + ['distance', 'global', global_distance])
self.cli_set(base_path + ['distance', 'ospf', 'external', external])
self.cli_set(base_path + ['distance', 'ospf', 'intra-area', intra_area])
self.cli_set(base_path + ['max-metric', 'router-lsa', 'on-startup', on_startup])
self.cli_set(base_path + ['max-metric', 'router-lsa', 'on-shutdown', on_shutdown])
self.cli_set(base_path + ['mpls-te', 'enable'])
self.cli_set(base_path + ['refresh', 'timers', refresh])
# commit changes
self.cli_commit()
# Verify FRR ospfd configuration
frrconfig = self.getFRRconfig('router ospf')
self.assertIn(f'router ospf', frrconfig)
self.assertIn(f' mpls-te on', frrconfig)
self.assertIn(f' mpls-te router-address 0.0.0.0', frrconfig) # default
self.assertIn(f' distance {global_distance}', frrconfig)
self.assertIn(f' distance ospf intra-area {intra_area} external {external}', frrconfig)
self.assertIn(f' max-metric router-lsa on-startup {on_startup}', frrconfig)
self.assertIn(f' max-metric router-lsa on-shutdown {on_shutdown}', frrconfig)
self.assertIn(f' refresh timer {refresh}', frrconfig)
# enable inter-area
self.cli_set(base_path + ['distance', 'ospf', 'inter-area', inter_area])
self.cli_commit()
frrconfig = self.getFRRconfig('router ospf')
self.assertIn(f' distance ospf intra-area {intra_area} inter-area {inter_area} external {external}', frrconfig)
def test_ospf_06_neighbor(self):
priority = '10'
poll_interval = '20'
neighbors = ['1.1.1.1', '2.2.2.2', '3.3.3.3']
for neighbor in neighbors:
self.cli_set(base_path + ['neighbor', neighbor, 'priority', priority])
self.cli_set(base_path + ['neighbor', neighbor, 'poll-interval', poll_interval])
# commit changes
self.cli_commit()
# Verify FRR ospfd configuration
frrconfig = self.getFRRconfig('router ospf')
self.assertIn(f'router ospf', frrconfig)
for neighbor in neighbors:
self.assertIn(f' neighbor {neighbor} priority {priority} poll-interval {poll_interval}', frrconfig) # default
def test_ospf_07_passive_interface(self):
self.cli_set(base_path + ['passive-interface', 'default'])
interfaces = Section.interfaces('ethernet')
for interface in interfaces:
self.cli_set(base_path + ['passive-interface-exclude', interface])
# commit changes
self.cli_commit()
# Verify FRR ospfd configuration
frrconfig = self.getFRRconfig('router ospf')
try:
self.assertIn(f'router ospf', frrconfig)
self.assertIn(f' passive-interface default', frrconfig) # default
for interface in interfaces:
self.assertIn(f' no passive-interface {interface}', frrconfig) # default
except:
log.debug(frrconfig)
log.debug(cmd('sudo dmesg'))
log.debug(cmd('sudo cat /var/log/messages'))
log.debug(cmd('vtysh -c "show run"'))
self.fail('Now we can hopefully see why OSPF fails!')
def test_ospf_08_redistribute(self):
metric = '15'
metric_type = '1'
redistribute = ['bgp', 'connected', 'isis', 'kernel', 'rip', 'static']
for protocol in redistribute:
self.cli_set(base_path + ['redistribute', protocol, 'metric', metric])
self.cli_set(base_path + ['redistribute', protocol, 'route-map', route_map])
if protocol not in ['kernel', 'static']:
self.cli_set(base_path + ['redistribute', protocol, 'metric-type', metric_type])
# commit changes
self.cli_commit()
# Verify FRR ospfd configuration
frrconfig = self.getFRRconfig('router ospf')
self.assertIn(f'router ospf', frrconfig)
for protocol in redistribute:
if protocol in ['kernel', 'static']:
self.assertIn(f' redistribute {protocol} metric {metric} route-map {route_map}', frrconfig)
else:
self.assertIn(f' redistribute {protocol} metric {metric} metric-type {metric_type} route-map {route_map}', frrconfig)
def test_ospf_09_virtual_link(self):
networks = ['10.0.0.0/8', '172.16.0.0/12', '192.168.0.0/16']
area = '10'
shortcut = 'enable'
virtual_link = '192.0.2.1'
hello = '6'
retransmit = '5'
transmit = '5'
dead = '40'
self.cli_set(base_path + ['area', area, 'shortcut', shortcut])
self.cli_set(base_path + ['area', area, 'virtual-link', virtual_link, 'hello-interval', hello])
self.cli_set(base_path + ['area', area, 'virtual-link', virtual_link, 'retransmit-interval', retransmit])
self.cli_set(base_path + ['area', area, 'virtual-link', virtual_link, 'transmit-delay', transmit])
self.cli_set(base_path + ['area', area, 'virtual-link', virtual_link, 'dead-interval', dead])
for network in networks:
self.cli_set(base_path + ['area', area, 'network', network])
# commit changes
self.cli_commit()
# Verify FRR ospfd configuration
frrconfig = self.getFRRconfig('router ospf')
self.assertIn(f'router ospf', frrconfig)
self.assertIn(f' area {area} shortcut {shortcut}', frrconfig)
self.assertIn(f' area {area} virtual-link {virtual_link} hello-interval {hello} retransmit-interval {retransmit} transmit-delay {transmit} dead-interval {dead}', frrconfig)
for network in networks:
self.assertIn(f' network {network} area {area}', frrconfig)
def test_ospf_10_interface_configuration(self):
interfaces = Section.interfaces('ethernet')
password = 'vyos1234'
bandwidth = '10000'
cost = '150'
network = 'point-to-point'
priority = '200'
for interface in interfaces:
self.cli_set(base_path + ['interface', interface, 'authentication', 'plaintext-password', password])
self.cli_set(base_path + ['interface', interface, 'bandwidth', bandwidth])
self.cli_set(base_path + ['interface', interface, 'bfd'])
self.cli_set(base_path + ['interface', interface, 'cost', cost])
self.cli_set(base_path + ['interface', interface, 'mtu-ignore'])
self.cli_set(base_path + ['interface', interface, 'network', network])
self.cli_set(base_path + ['interface', interface, 'priority', priority])
# commit changes
self.cli_commit()
for interface in interfaces:
config = self.getFRRconfig(f'interface {interface}')
self.assertIn(f'interface {interface}', config)
self.assertIn(f' ip ospf authentication-key {password}', config)
self.assertIn(f' ip ospf bfd', config)
self.assertIn(f' ip ospf cost {cost}', config)
self.assertIn(f' ip ospf mtu-ignore', config)
self.assertIn(f' ip ospf network {network}', config)
self.assertIn(f' ip ospf priority {priority}', config)
self.assertIn(f' bandwidth {bandwidth}', config)
def test_ospf_11_vrfs(self):
# It is safe to assume that when the basic VRF test works, all
# other OSPF related features work, as we entirely inherit the CLI
# templates and Jinja2 FRR template.
table = '1000'
vrf = 'blue'
vrf_base = ['vrf', 'name', vrf]
vrf_iface = 'eth1'
self.cli_set(vrf_base + ['table', table])
self.cli_set(vrf_base + ['protocols', 'ospf', 'interface', vrf_iface])
self.cli_set(['interfaces', 'ethernet', vrf_iface, 'vrf', vrf])
# Also set a default VRF OSPF config
self.cli_set(base_path)
self.cli_commit()
# Verify FRR ospfd configuration
frrconfig = self.getFRRconfig('router ospf')
self.assertIn(f'router ospf', frrconfig)
self.assertIn(f' auto-cost reference-bandwidth 100', frrconfig)
self.assertIn(f' timers throttle spf 200 1000 10000', frrconfig) # defaults
frrconfig = self.getFRRconfig(f'router ospf vrf {vrf}')
self.assertIn(f'router ospf vrf {vrf}', frrconfig)
self.assertIn(f' auto-cost reference-bandwidth 100', frrconfig)
self.assertIn(f' timers throttle spf 200 1000 10000', frrconfig) # defaults
self.cli_delete(['vrf', 'name', vrf])
self.cli_delete(['interfaces', 'ethernet', vrf_iface, 'vrf'])
def test_ospf_12_zebra_route_map(self):
# Implemented because of T3328
self.cli_set(base_path + ['route-map', route_map])
# commit changes
self.cli_commit()
# Verify FRR configuration
zebra_route_map = f'ip protocol ospf route-map {route_map}'
frrconfig = self.getFRRconfig(zebra_route_map)
self.assertIn(zebra_route_map, frrconfig)
# Remove the route-map again
self.cli_delete(base_path + ['route-map'])
# commit changes
self.cli_commit()
# Verify FRR configuration
frrconfig = self.getFRRconfig(zebra_route_map)
self.assertNotIn(zebra_route_map, frrconfig)
def test_ospf_13_interface_area(self):
area = '0'
interfaces = Section.interfaces('ethernet')
self.cli_set(base_path + ['area', area, 'network', '10.0.0.0/8'])
for interface in interfaces:
self.cli_set(base_path + ['interface', interface, 'area', area])
# we can not have bot area network and interface area set
with self.assertRaises(ConfigSessionError):
self.cli_commit()
self.cli_delete(base_path + ['area', area, 'network'])
self.cli_commit()
# Verify FRR ospfd configuration
frrconfig = self.getFRRconfig('router ospf')
self.assertIn(f'router ospf', frrconfig)
for interface in interfaces:
config = self.getFRRconfig(f'interface {interface}')
self.assertIn(f'interface {interface}', config)
self.assertIn(f' ip ospf area {area}', config)
if __name__ == '__main__':
logging.basicConfig(stream=sys.stderr, level=logging.DEBUG)
unittest.main(verbosity=2)

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