test_protocols_ospf.py
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test_protocols_ospf.py
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	#!/usr/bin/env python3
	#
	# Copyright (C) 2021-2022 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 unittest

	from base_vyostest_shim import VyOSUnitTestSHIM

	from vyos.configsession import ConfigSessionError
	from vyos.ifconfig import Section
	from vyos.util import process_named_running

	PROCESS_NAME = 'ospfd'
	base_path = ['protocols', 'ospf']

	route_map = 'foo-bar-baz10'

	class TestProtocolsOSPF(VyOSUnitTestSHIM.TestCase):
	@classmethod
	def setUpClass(cls):
	super(TestProtocolsOSPF, cls).setUpClass()

	cls.cli_set(cls, ['policy', 'route-map', route_map, 'rule', '10', 'action', 'permit'])
	cls.cli_set(cls, ['policy', 'route-map', route_map, 'rule', '20', 'action', 'permit'])

	# ensure we can also run this test on a live system - so lets clean
	# out the current configuration :)
	cls.cli_delete(cls, base_path)

	@classmethod
	def tearDownClass(cls):
	cls.cli_delete(cls, ['policy', 'route-map', route_map])
	super(TestProtocolsOSPF, cls).tearDownClass()

	def tearDown(self):
	# Check for running process
	self.assertTrue(process_named_running(PROCESS_NAME))
	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 + ['parameters', 'opaque-lsa'])
	self.cli_set(base_path + ['parameters', 'rfc1583-compatibility'])
	self.cli_set(base_path + ['log-adjacency-changes', 'detail'])
	self.cli_set(base_path + ['default-metric', metric])
	self.cli_set(base_path + ['passive-interface', 'default'])
	self.cli_set(base_path + ['area', '10', 'area-type', 'stub'])
	self.cli_set(base_path + ['area', '10', 'network', '10.0.0.0/16'])
	self.cli_set(base_path + ['area', '10', 'range', '10.0.1.0/24'])
	self.cli_set(base_path + ['area', '10', 'range', '10.0.2.0/24', 'not-advertise'])

	# commit changes
	self.cli_commit()

	# Verify FRR ospfd configuration
	frrconfig = self.getFRRconfig('router ospf')
	self.assertIn(f'router ospf', frrconfig)
	self.assertIn(f' compatible rfc1583', 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' capability opaque', frrconfig)
	self.assertIn(f' default-metric {metric}', frrconfig)
	self.assertIn(f' passive-interface default', frrconfig)
	self.assertIn(f' area 10 stub', frrconfig)
	self.assertIn(f' network 10.0.0.0/16 area 10', frrconfig)
	self.assertIn(f' area 10 range 10.0.1.0/24', frrconfig)
	self.assertNotIn(f' area 10 range 10.0.1.0/24 not-advertise', frrconfig)
	self.assertIn(f' area 10 range 10.0.2.0/24 not-advertise', 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_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])
	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:
	self.assertIn(f' redistribute {protocol} metric {metric} metric-type {metric_type} route-map {route_map}', frrconfig)

	def test_ospf_08_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_09_interface_configuration(self):
	interfaces = Section.interfaces('ethernet')
	password = 'vyos1234'
	bandwidth = '10000'
	cost = '150'
	network = 'point-to-point'
	priority = '200'
	bfd_profile = 'vyos-test'

	self.cli_set(base_path + ['passive-interface', 'default'])
	for interface in interfaces:
	base_interface = base_path + ['interface', interface]
	self.cli_set(base_interface + ['authentication', 'plaintext-password', password])
	self.cli_set(base_interface + ['bandwidth', bandwidth])
	self.cli_set(base_interface + ['bfd', 'profile', bfd_profile])
	self.cli_set(base_interface + ['cost', cost])
	self.cli_set(base_interface + ['mtu-ignore'])
	self.cli_set(base_interface + ['network', network])
	self.cli_set(base_interface + ['priority', priority])
	self.cli_set(base_interface + ['passive', 'disable'])

	# commit changes
	self.cli_commit()

	frrconfig = self.getFRRconfig('router ospf')
	self.assertIn(f'router ospf', frrconfig)
	self.assertIn(f' passive-interface default', frrconfig)

	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 bfd profile {bfd_profile}', 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' no ip ospf passive', config)
	self.assertIn(f' bandwidth {bandwidth}', config)

	def test_ospf_10_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_11_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)

	def test_ospf_12_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

	# cleanup
	self.cli_delete(['vrf', 'name', vrf])
	self.cli_delete(['interfaces', 'ethernet', vrf_iface, 'vrf'])

	def test_ospf_13_export_list(self):
	# Verify explort-list works on ospf-area
	acl = '100'
	seq = '10'
	area = '0.0.0.10'
	network = '10.0.0.0/8'


	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'])
	self.cli_set(base_path + ['area', area, 'network', network])
	self.cli_set(base_path + ['area', area, 'export-list', acl])

	# 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) # default
	self.assertIn(f' network {network} area {area}', frrconfig)
	self.assertIn(f' area {area} export-list {acl}', frrconfig)


	def test_ospf_14_segment_routing_configuration(self):
	global_block_low = "300"
	global_block_high = "399"
	local_block_low = "400"
	local_block_high = "499"
	interface = 'lo'
	maximum_stack_size = '5'
	prefix_one = '192.168.0.1/32'
	prefix_two = '192.168.0.2/32'
	prefix_one_value = '1'
	prefix_two_value = '2'

	self.cli_set(base_path + ['interface', interface])
	self.cli_set(base_path + ['segment-routing', 'maximum-label-depth', maximum_stack_size])
	self.cli_set(base_path + ['segment-routing', 'global-block', 'low-label-value', global_block_low])
	self.cli_set(base_path + ['segment-routing', 'global-block', 'high-label-value', global_block_high])
	self.cli_set(base_path + ['segment-routing', 'local-block', 'low-label-value', local_block_low])
	self.cli_set(base_path + ['segment-routing', 'local-block', 'high-label-value', local_block_high])
	self.cli_set(base_path + ['segment-routing', 'prefix', prefix_one, 'index', 'value', prefix_one_value])
	self.cli_set(base_path + ['segment-routing', 'prefix', prefix_one, 'index', 'explicit-null'])
	self.cli_set(base_path + ['segment-routing', 'prefix', prefix_two, 'index', 'value', prefix_two_value])
	self.cli_set(base_path + ['segment-routing', 'prefix', prefix_two, 'index', 'no-php-flag'])

	# Commit all changes
	self.cli_commit()

	# Verify all changes
	frrconfig = self.getFRRconfig('router ospf')
	self.assertIn(f' segment-routing on', frrconfig)
	self.assertIn(f' segment-routing global-block {global_block_low} {global_block_high} local-block {local_block_low} {local_block_high}', frrconfig)
	self.assertIn(f' segment-routing node-msd {maximum_stack_size}', frrconfig)
	self.assertIn(f' segment-routing prefix {prefix_one} index {prefix_one_value} explicit-null', frrconfig)
	self.assertIn(f' segment-routing prefix {prefix_two} index {prefix_two_value} no-php-flag', frrconfig)

	def test_ospf_15_ldp_sync(self):
	holddown = "500"
	interface = 'lo'
	interfaces = Section.interfaces('ethernet')

	self.cli_set(base_path + ['interface', interface])
	self.cli_set(base_path + ['ldp-sync', 'holddown', holddown])

	# Commit main OSPF changes
	self.cli_commit()

	# Verify main OSPF changes
	frrconfig = self.getFRRconfig('router ospf')
	self.assertIn(f'router ospf', frrconfig)
	self.assertIn(f' timers throttle spf 200 1000 10000', frrconfig)
	self.assertIn(f' mpls ldp-sync holddown {holddown}', frrconfig)

	for interface in interfaces:
	self.cli_set(base_path + ['interface', interface, 'ldp-sync', 'holddown', holddown])

	# Commit interface changes for holddown
	self.cli_commit()

	# Verify interface changes for holddown
	config = self.getFRRconfig(f'interface {interface}')
	self.assertIn(f'interface {interface}', config)
	self.assertIn(f' ip ospf dead-interval 40', config)
	self.assertIn(f' ip ospf mpls ldp-sync', config)
	self.assertIn(f' ip ospf mpls ldp-sync holddown {holddown}', config)

	for interface in interfaces:
	self.cli_set(base_path + ['interface', interface, 'ldp-sync', 'disable'])

	# Commit interface changes for disable
	self.cli_commit()

	# Verify interface changes for disable
	config = self.getFRRconfig(f'interface {interface}')
	self.assertIn(f'interface {interface}', config)
	self.assertIn(f' ip ospf dead-interval 40', config)
	self.assertIn(f' no ip ospf mpls ldp-sync', config)

	if __name__ == '__main__':
	unittest.main(verbosity=2)

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