test_service_dhcp-server.py
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test_service_dhcp-server.py
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	#!/usr/bin/env python3
	#
	# Copyright (C) 2020-2024 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.utils.process import process_named_running
	from vyos.utils.file import read_file
	from vyos.template import address_from_cidr
	from vyos.template import inc_ip
	from vyos.template import dec_ip
	from vyos.template import netmask_from_cidr

	PROCESS_NAME = 'dhcpd'
	DHCPD_CONF = '/run/dhcp-server/dhcpd.conf'
	base_path = ['service', 'dhcp-server']
	subnet = '192.0.2.0/25'
	router = inc_ip(subnet, 1)
	dns_1 = inc_ip(subnet, 2)
	dns_2 = inc_ip(subnet, 3)
	domain_name = 'vyos.net'

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

	cidr_mask = subnet.split('/')[-1]
	cls.cli_set(cls, ['interfaces', 'dummy', 'dum8765', 'address', f'{router}/{cidr_mask}'])

	@classmethod
	def tearDownClass(cls):
	cls.cli_delete(cls, ['interfaces', 'dummy', 'dum8765'])
	super(TestServiceDHCPServer, cls).tearDownClass()

	def tearDown(self):
	self.cli_delete(base_path)
	self.cli_commit()

	def test_dhcp_single_pool_range(self):
	shared_net_name = 'SMOKE-1'

	range_0_start = inc_ip(subnet, 10)
	range_0_stop = inc_ip(subnet, 20)
	range_1_start = inc_ip(subnet, 40)
	range_1_stop = inc_ip(subnet, 50)

	self.cli_set(base_path + ['dynamic-dns-update'])

	pool = base_path + ['shared-network-name', shared_net_name, 'subnet', subnet]
	# we use the first subnet IP address as default gateway
	self.cli_set(pool + ['default-router', router])
	self.cli_set(pool + ['name-server', dns_1])
	self.cli_set(pool + ['name-server', dns_2])
	self.cli_set(pool + ['domain-name', domain_name])
	self.cli_set(pool + ['ping-check'])

	# check validate() - No DHCP address range or active static-mapping set
	with self.assertRaises(ConfigSessionError):
	self.cli_commit()
	self.cli_set(pool + ['range', '0', 'start', range_0_start])
	self.cli_set(pool + ['range', '0', 'stop', range_0_stop])
	self.cli_set(pool + ['range', '1', 'start', range_1_start])
	self.cli_set(pool + ['range', '1', 'stop', range_1_stop])

	# commit changes
	self.cli_commit()

	config = read_file(DHCPD_CONF)
	network = address_from_cidr(subnet)
	netmask = netmask_from_cidr(subnet)
	self.assertIn(f'ddns-update-style interim;', config)
	self.assertIn(f'subnet {network} netmask {netmask}' + r' {', config)
	self.assertIn(f'option domain-name-servers {dns_1}, {dns_2};', config)
	self.assertIn(f'option routers {router};', config)
	self.assertIn(f'option domain-name "{domain_name}";', config)
	self.assertIn(f'default-lease-time 86400;', config)
	self.assertIn(f'max-lease-time 86400;', config)
	self.assertIn(f'ping-check true;', config)
	self.assertIn(f'range {range_0_start} {range_0_stop};', config)
	self.assertIn(f'range {range_1_start} {range_1_stop};', config)
	self.assertIn(f'set shared-networkname = "{shared_net_name}";', config)

	# Check for running process
	self.assertTrue(process_named_running(PROCESS_NAME))

	def test_dhcp_single_pool_options(self):
	shared_net_name = 'SMOKE-0815'

	range_0_start = inc_ip(subnet, 10)
	range_0_stop = inc_ip(subnet, 20)
	smtp_server = '1.2.3.4'
	time_server = '4.3.2.1'
	tftp_server = 'tftp.vyos.io'
	search_domains = ['foo.vyos.net', 'bar.vyos.net']
	bootfile_name = 'vyos'
	bootfile_server = '192.0.2.1'
	wpad = 'http://wpad.vyos.io/foo/bar'
	server_identifier = bootfile_server
	ipv6_only_preferred = '300'

	pool = base_path + ['shared-network-name', shared_net_name, 'subnet', subnet]
	# we use the first subnet IP address as default gateway
	self.cli_set(pool + ['default-router', router])
	self.cli_set(pool + ['name-server', dns_1])
	self.cli_set(pool + ['name-server', dns_2])
	self.cli_set(pool + ['domain-name', domain_name])
	self.cli_set(pool + ['ip-forwarding'])
	self.cli_set(pool + ['smtp-server', smtp_server])
	self.cli_set(pool + ['pop-server', smtp_server])
	self.cli_set(pool + ['time-server', time_server])
	self.cli_set(pool + ['tftp-server-name', tftp_server])
	for search in search_domains:
	self.cli_set(pool + ['domain-search', search])
	self.cli_set(pool + ['bootfile-name', bootfile_name])
	self.cli_set(pool + ['bootfile-server', bootfile_server])
	self.cli_set(pool + ['wpad-url', wpad])
	self.cli_set(pool + ['server-identifier', server_identifier])

	self.cli_set(pool + ['static-route', '10.0.0.0/24', 'next-hop', '192.0.2.1'])
	self.cli_set(pool + ['ipv6-only-preferred', ipv6_only_preferred])

	# check validate() - No DHCP address range or active static-mapping set
	with self.assertRaises(ConfigSessionError):
	self.cli_commit()
	self.cli_set(pool + ['range', '0', 'start', range_0_start])
	self.cli_set(pool + ['range', '0', 'stop', range_0_stop])

	# commit changes
	self.cli_commit()

	config = read_file(DHCPD_CONF)

	network = address_from_cidr(subnet)
	netmask = netmask_from_cidr(subnet)
	self.assertIn(f'ddns-update-style none;', config)
	self.assertIn(f'subnet {network} netmask {netmask}' + r' {', config)
	self.assertIn(f'option domain-name-servers {dns_1}, {dns_2};', config)
	self.assertIn(f'option routers {router};', config)
	self.assertIn(f'option domain-name "{domain_name}";', config)

	search = '"' + ('", "').join(search_domains) + '"'
	self.assertIn(f'option domain-search {search};', config)

	self.assertIn(f'option ip-forwarding true;', config)
	self.assertIn(f'option smtp-server {smtp_server};', config)
	self.assertIn(f'option pop-server {smtp_server};', config)
	self.assertIn(f'option time-servers {time_server};', config)
	self.assertIn(f'option wpad-url "{wpad}";', config)
	self.assertIn(f'option dhcp-server-identifier {server_identifier};', config)
	self.assertIn(f'option tftp-server-name "{tftp_server}";', config)
	self.assertIn(f'option bootfile-name "{bootfile_name}";', config)
	self.assertIn(f'filename "{bootfile_name}";', config)
	self.assertIn(f'next-server {bootfile_server};', config)
	self.assertIn(f'default-lease-time 86400;', config)
	self.assertIn(f'max-lease-time 86400;', config)
	self.assertIn(f'range {range_0_start} {range_0_stop};', config)
	self.assertIn(f'set shared-networkname = "{shared_net_name}";', config)
	self.assertIn(f'option rfc8925-ipv6-only-preferred {ipv6_only_preferred};', config)

	# weird syntax for those static routes
	self.assertIn(f'option rfc3442-static-route 24,10,0,0,192,0,2,1, 0,192,0,2,1;', config)
	self.assertIn(f'option windows-static-route 24,10,0,0,192,0,2,1;', config)

	# Check for running process
	self.assertTrue(process_named_running(PROCESS_NAME))

	def test_dhcp_single_pool_static_mapping(self):
	shared_net_name = 'SMOKE-2'
	domain_name = 'private'

	pool = base_path + ['shared-network-name', shared_net_name, 'subnet', subnet]
	# we use the first subnet IP address as default gateway
	self.cli_set(pool + ['default-router', router])
	self.cli_set(pool + ['name-server', dns_1])
	self.cli_set(pool + ['name-server', dns_2])
	self.cli_set(pool + ['domain-name', domain_name])

	# check validate() - No DHCP address range or active static-mapping set
	with self.assertRaises(ConfigSessionError):
	self.cli_commit()

	client_base = 10
	for client in ['client1', 'client2', 'client3']:
	mac = '00:50:00:00:00:{}'.format(client_base)
	self.cli_set(pool + ['static-mapping', client, 'mac-address', mac])
	self.cli_set(pool + ['static-mapping', client, 'ip-address', inc_ip(subnet, client_base)])
	client_base += 1

	# cannot have mappings with duplicate IP addresses
	self.cli_set(pool + ['static-mapping', 'dupe1', 'mac-address', '00:50:00:00:fe:ff'])
	self.cli_set(pool + ['static-mapping', 'dupe1', 'ip-address', inc_ip(subnet, 10)])
	with self.assertRaises(ConfigSessionError):
	self.cli_commit()
	self.cli_set(pool + ['static-mapping', 'dupe1', 'disable'])
	self.cli_commit()
	self.cli_delete(pool + ['static-mapping', 'dupe1'])

	# cannot have mappings with duplicate MAC addresses
	self.cli_set(pool + ['static-mapping', 'dupe2', 'mac-address', '00:50:00:00:00:10'])
	self.cli_set(pool + ['static-mapping', 'dupe2', 'ip-address', inc_ip(subnet, 120)])
	with self.assertRaises(ConfigSessionError):
	self.cli_commit()
	self.cli_delete(pool + ['static-mapping', 'dupe2'])

	# commit changes
	self.cli_commit()

	config = read_file(DHCPD_CONF)
	network = address_from_cidr(subnet)
	netmask = netmask_from_cidr(subnet)
	self.assertIn(f'ddns-update-style none;', config)
	self.assertIn(f'subnet {network} netmask {netmask}' + r' {', config)
	self.assertIn(f'option domain-name-servers {dns_1}, {dns_2};', config)
	self.assertIn(f'option routers {router};', config)
	self.assertIn(f'option domain-name "{domain_name}";', config)
	self.assertIn(f'default-lease-time 86400;', config)
	self.assertIn(f'max-lease-time 86400;', config)

	client_base = 10
	for client in ['client1', 'client2', 'client3']:
	mac = '00:50:00:00:00:{}'.format(client_base)
	ip = inc_ip(subnet, client_base)
	self.assertIn(f'host {shared_net_name}_{client}' + ' {', config)
	self.assertIn(f'fixed-address {ip};', config)
	self.assertIn(f'hardware ethernet {mac};', config)
	client_base += 1

	self.assertIn(f'set shared-networkname = "{shared_net_name}";', config)

	# Check for running process
	self.assertTrue(process_named_running(PROCESS_NAME))

	def test_dhcp_multiple_pools(self):
	lease_time = '14400'

	for network in ['0', '1', '2', '3']:
	shared_net_name = f'VyOS-SMOKETEST-{network}'
	subnet = f'192.0.{network}.0/24'
	router = inc_ip(subnet, 1)
	dns_1 = inc_ip(subnet, 2)

	range_0_start = inc_ip(subnet, 10)
	range_0_stop = inc_ip(subnet, 20)
	range_1_start = inc_ip(subnet, 30)
	range_1_stop = inc_ip(subnet, 40)

	pool = base_path + ['shared-network-name', shared_net_name, 'subnet', subnet]
	# we use the first subnet IP address as default gateway
	self.cli_set(pool + ['default-router', router])
	self.cli_set(pool + ['name-server', dns_1])
	self.cli_set(pool + ['domain-name', domain_name])
	self.cli_set(pool + ['lease', lease_time])

	self.cli_set(pool + ['range', '0', 'start', range_0_start])
	self.cli_set(pool + ['range', '0', 'stop', range_0_stop])
	self.cli_set(pool + ['range', '1', 'start', range_1_start])
	self.cli_set(pool + ['range', '1', 'stop', range_1_stop])

	client_base = 60
	for client in ['client1', 'client2', 'client3', 'client4']:
	mac = '02:50:00:00:00:{}'.format(client_base)
	self.cli_set(pool + ['static-mapping', client, 'mac-address', mac])
	self.cli_set(pool + ['static-mapping', client, 'ip-address', inc_ip(subnet, client_base)])
	client_base += 1

	# commit changes
	self.cli_commit()

	config = read_file(DHCPD_CONF)
	for network in ['0', '1', '2', '3']:
	shared_net_name = f'VyOS-SMOKETEST-{network}'
	subnet = f'192.0.{network}.0/24'
	router = inc_ip(subnet, 1)
	dns_1 = inc_ip(subnet, 2)

	range_0_start = inc_ip(subnet, 10)
	range_0_stop = inc_ip(subnet, 20)
	range_1_start = inc_ip(subnet, 30)
	range_1_stop = inc_ip(subnet, 40)

	network = address_from_cidr(subnet)
	netmask = netmask_from_cidr(subnet)

	self.assertIn(f'ddns-update-style none;', config)
	self.assertIn(f'subnet {network} netmask {netmask}' + r' {', config)
	self.assertIn(f'option domain-name-servers {dns_1};', config)
	self.assertIn(f'option routers {router};', config)
	self.assertIn(f'option domain-name "{domain_name}";', config)
	self.assertIn(f'default-lease-time {lease_time};', config)
	self.assertIn(f'max-lease-time {lease_time};', config)
	self.assertIn(f'range {range_0_start} {range_0_stop};', config)
	self.assertIn(f'range {range_1_start} {range_1_stop};', config)
	self.assertIn(f'set shared-networkname = "{shared_net_name}";', config)

	client_base = 60
	for client in ['client1', 'client2', 'client3', 'client4']:
	mac = '02:50:00:00:00:{}'.format(client_base)
	ip = inc_ip(subnet, client_base)
	self.assertIn(f'host {shared_net_name}_{client}' + ' {', config)
	self.assertIn(f'fixed-address {ip};', config)
	self.assertIn(f'hardware ethernet {mac};', config)
	client_base += 1

	# Check for running process
	self.assertTrue(process_named_running(PROCESS_NAME))

	def test_dhcp_exclude_not_in_range(self):
	# T3180: verify else path when slicing DHCP ranges and exclude address
	# is not part of the DHCP range
	range_0_start = inc_ip(subnet, 10)
	range_0_stop = inc_ip(subnet, 20)

	pool = base_path + ['shared-network-name', 'EXCLUDE-TEST', 'subnet', subnet]
	self.cli_set(pool + ['default-router', router])
	self.cli_set(pool + ['exclude', router])
	self.cli_set(pool + ['range', '0', 'start', range_0_start])
	self.cli_set(pool + ['range', '0', 'stop', range_0_stop])

	# commit changes
	self.cli_commit()

	# VErify
	config = read_file(DHCPD_CONF)
	network = address_from_cidr(subnet)
	netmask = netmask_from_cidr(subnet)

	self.assertIn(f'subnet {network} netmask {netmask}' + r' {', config)
	self.assertIn(f'option routers {router};', config)
	self.assertIn(f'range {range_0_start} {range_0_stop};', config)

	# Check for running process
	self.assertTrue(process_named_running(PROCESS_NAME))

	def test_dhcp_exclude_in_range(self):
	# T3180: verify else path when slicing DHCP ranges and exclude address
	# is not part of the DHCP range
	range_0_start = inc_ip(subnet, 10)
	range_0_stop = inc_ip(subnet, 100)

	# the DHCP exclude addresse is blanked out of the range which is done
	# by slicing one range into two ranges
	exclude_addr = inc_ip(range_0_start, 20)
	range_0_stop_excl = dec_ip(exclude_addr, 1)
	range_0_start_excl = inc_ip(exclude_addr, 1)

	pool = base_path + ['shared-network-name', 'EXCLUDE-TEST-2', 'subnet', subnet]
	self.cli_set(pool + ['default-router', router])
	self.cli_set(pool + ['exclude', exclude_addr])
	self.cli_set(pool + ['range', '0', 'start', range_0_start])
	self.cli_set(pool + ['range', '0', 'stop', range_0_stop])

	# commit changes
	self.cli_commit()

	# Verify
	config = read_file(DHCPD_CONF)
	network = address_from_cidr(subnet)
	netmask = netmask_from_cidr(subnet)

	self.assertIn(f'subnet {network} netmask {netmask}' + r' {', config)
	self.assertIn(f'option routers {router};', config)
	self.assertIn(f'range {range_0_start} {range_0_stop_excl};', config)
	self.assertIn(f'range {range_0_start_excl} {range_0_stop};', config)

	# Check for running process
	self.assertTrue(process_named_running(PROCESS_NAME))

	def test_dhcp_relay_server(self):
	# Listen on specific address and return DHCP leases from a non
	# directly connected pool
	self.cli_set(base_path + ['listen-address', router])

	relay_subnet = '10.0.0.0/16'
	relay_router = inc_ip(relay_subnet, 1)

	range_0_start = '10.0.1.0'
	range_0_stop = '10.0.250.255'

	pool = base_path + ['shared-network-name', 'RELAY', 'subnet', relay_subnet]
	self.cli_set(pool + ['default-router', relay_router])
	self.cli_set(pool + ['range', '0', 'start', range_0_start])
	self.cli_set(pool + ['range', '0', 'stop', range_0_stop])

	# commit changes
	self.cli_commit()

	config = read_file(DHCPD_CONF)
	network = address_from_cidr(subnet)
	netmask = netmask_from_cidr(subnet)
	# Check the relay network
	self.assertIn(f'subnet {network} netmask {netmask}' + r' { }', config)

	relay_network = address_from_cidr(relay_subnet)
	relay_netmask = netmask_from_cidr(relay_subnet)
	self.assertIn(f'subnet {relay_network} netmask {relay_netmask}' + r' {', config)
	self.assertIn(f'option routers {relay_router};', config)
	self.assertIn(f'range {range_0_start} {range_0_stop};', config)

	# Check for running process
	self.assertTrue(process_named_running(PROCESS_NAME))

	def test_dhcp_invalid_raw_options(self):
	shared_net_name = 'SMOKE-5'

	range_0_start = inc_ip(subnet, 10)
	range_0_stop = inc_ip(subnet, 20)

	pool = base_path + ['shared-network-name', shared_net_name, 'subnet', subnet]
	# we use the first subnet IP address as default gateway
	self.cli_set(pool + ['default-router', router])
	self.cli_set(pool + ['range', '0', 'start', range_0_start])
	self.cli_set(pool + ['range', '0', 'stop', range_0_stop])

	self.cli_set(base_path + ['global-parameters', 'this-is-crap'])
	# check generate() - dhcpd should not acceot this garbage config
	with self.assertRaises(ConfigSessionError):
	self.cli_commit()
	self.cli_delete(base_path + ['global-parameters'])

	# commit changes
	self.cli_commit()

	# Check for running process
	self.assertTrue(process_named_running(PROCESS_NAME))

	def test_dhcp_high_availability(self):
	shared_net_name = 'FAILOVER'
	failover_name = 'VyOS-Failover'

	range_0_start = inc_ip(subnet, 10)
	range_0_stop = inc_ip(subnet, 20)

	pool = base_path + ['shared-network-name', shared_net_name, 'subnet', subnet]
	# we use the first subnet IP address as default gateway
	self.cli_set(pool + ['default-router', router])
	self.cli_set(pool + ['range', '0', 'start', range_0_start])
	self.cli_set(pool + ['range', '0', 'stop', range_0_stop])

	# failover
	failover_local = router
	failover_remote = inc_ip(router, 1)

	self.cli_set(base_path + ['high-availability', 'source-address', failover_local])
	self.cli_set(base_path + ['high-availability', 'name', failover_name])
	self.cli_set(base_path + ['high-availability', 'remote', failover_remote])
	self.cli_set(base_path + ['high-availability', 'status', 'primary'])

	# check validate() - failover needs to be enabled for at least one subnet
	with self.assertRaises(ConfigSessionError):
	self.cli_commit()
	self.cli_set(pool + ['enable-failover'])

	# commit changes
	self.cli_commit()

	config = read_file(DHCPD_CONF)

	self.assertIn(f'failover peer "{failover_name}"' + r' {', config)
	self.assertIn(f'primary;', config)
	self.assertIn(f'mclt 1800;', config)
	self.assertIn(f'mclt 1800;', config)
	self.assertIn(f'split 128;', config)
	self.assertIn(f'port 647;', config)
	self.assertIn(f'peer port 647;', config)
	self.assertIn(f'max-response-delay 30;', config)
	self.assertIn(f'max-unacked-updates 10;', config)
	self.assertIn(f'load balance max seconds 3;', config)
	self.assertIn(f'address {failover_local};', config)
	self.assertIn(f'peer address {failover_remote};', config)

	network = address_from_cidr(subnet)
	netmask = netmask_from_cidr(subnet)
	self.assertIn(f'ddns-update-style none;', config)
	self.assertIn(f'subnet {network} netmask {netmask}' + r' {', config)
	self.assertIn(f'option routers {router};', config)
	self.assertIn(f'range {range_0_start} {range_0_stop};', config)
	self.assertIn(f'set shared-networkname = "{shared_net_name}";', config)
	self.assertIn(f'failover peer "{failover_name}";', config)
	self.assertIn(f'deny dynamic bootp clients;', config)

	# Check for running process
	self.assertTrue(process_named_running(PROCESS_NAME))

	def test_dhcp_high_availability_mode(self):
	shared_net_name = 'FAILOVER'
	failover_name = 'VyOS-Failover'

	range_0_start = inc_ip(subnet, 10)
	range_0_stop = inc_ip(subnet, 20)

	pool = base_path + ['shared-network-name', shared_net_name, 'subnet', subnet]
	# we use the first subnet IP address as default gateway
	self.cli_set(pool + ['default-router', router])
	self.cli_set(pool + ['range', '0', 'start', range_0_start])
	self.cli_set(pool + ['range', '0', 'stop', range_0_stop])

	# failover
	failover_local = router
	failover_remote = inc_ip(router, 1)

	self.cli_set(base_path + ['high-availability', 'source-address', failover_local])
	self.cli_set(base_path + ['high-availability', 'name', failover_name])
	self.cli_set(base_path + ['high-availability', 'remote', failover_remote])
	self.cli_set(base_path + ['high-availability', 'status', 'primary'])
	self.cli_set(base_path + ['high-availability', 'mode', 'active-passive'])
	self.cli_set(pool + ['enable-failover'])

	# commit changes
	self.cli_commit()

	config = read_file(DHCPD_CONF)

	self.assertIn(f'failover peer "{failover_name}"' + r' {', config)
	self.assertIn(f'primary;', config)
	self.assertIn(f'mclt 1800;', config)
	self.assertIn(f'mclt 1800;', config)
	self.assertIn(f'split 256;', config)
	self.assertIn(f'port 647;', config)
	self.assertIn(f'peer port 647;', config)
	self.assertIn(f'max-response-delay 30;', config)
	self.assertIn(f'max-unacked-updates 10;', config)
	self.assertIn(f'load balance max seconds 3;', config)
	self.assertIn(f'address {failover_local};', config)
	self.assertIn(f'peer address {failover_remote};', config)

	network = address_from_cidr(subnet)
	netmask = netmask_from_cidr(subnet)
	self.assertIn(f'ddns-update-style none;', config)
	self.assertIn(f'subnet {network} netmask {netmask}' + r' {', config)
	self.assertIn(f'option routers {router};', config)
	self.assertIn(f'range {range_0_start} {range_0_stop};', config)
	self.assertIn(f'set shared-networkname = "{shared_net_name}";', config)
	self.assertIn(f'failover peer "{failover_name}";', config)
	self.assertIn(f'deny dynamic bootp clients;', config)

	# Check for running process
	self.assertTrue(process_named_running(PROCESS_NAME))

	def test_dhcp_on_interface_with_vrf(self):
	self.cli_set(['interfaces', 'ethernet', 'eth1', 'address', '10.1.1.1/30'])
	self.cli_set(['interfaces', 'ethernet', 'eth1', 'vrf', 'SMOKE-DHCP'])
	self.cli_set(['protocols', 'static', 'route', '10.1.10.0/24', 'interface', 'eth1', 'vrf', 'SMOKE-DHCP'])
	self.cli_set(['vrf', 'name', 'SMOKE-DHCP', 'protocols', 'static', 'route', '10.1.10.0/24', 'next-hop', '10.1.1.2'])
	self.cli_set(['vrf', 'name', 'SMOKE-DHCP', 'table', '1000'])
	self.cli_set(base_path + ['shared-network-name', 'SMOKE-DHCP-NETWORK', 'subnet', '10.1.10.0/24', 'default-router', '10.1.10.1'])
	self.cli_set(base_path + ['shared-network-name', 'SMOKE-DHCP-NETWORK', 'subnet', '10.1.10.0/24', 'name-server', '1.1.1.1'])
	self.cli_set(base_path + ['shared-network-name', 'SMOKE-DHCP-NETWORK', 'subnet', '10.1.10.0/24', 'range', '1', 'start', '10.1.10.10'])
	self.cli_set(base_path + ['shared-network-name', 'SMOKE-DHCP-NETWORK', 'subnet', '10.1.10.0/24', 'range', '1', 'stop', '10.1.10.20'])
	self.cli_set(base_path + ['listen-address', '10.1.1.1'])
	self.cli_commit()

	config = read_file(DHCPD_CONF)
	self.assertIn('subnet 10.1.1.0 netmask 255.255.255.252', config)

	self.cli_delete(['interfaces', 'ethernet', 'eth1', 'vrf', 'SMOKE-DHCP'])
	self.cli_delete(['protocols', 'static', 'route', '10.1.10.0/24', 'interface', 'eth1', 'vrf'])
	self.cli_delete(['vrf', 'name', 'SMOKE-DHCP'])
	self.cli_commit()


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

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