#!/usr/bin/env python3 # # Copyright (C) 2019-2020 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 . import re import os import unittest from vyos.configsession import ConfigSession from vyos.configsession import ConfigSessionError from vyos.util import cmd from vyos.util import process_named_running from vyos.util import read_file from vyos.template import inc_ip from vyos.template import address_from_cidr 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(unittest.TestCase): def setUp(self): self.session = ConfigSession(os.getpid()) cidr_mask = subnet.split('/')[-1] self.session.set(['interfaces', 'dummy', 'dum8765', 'address', f'{router}/{cidr_mask}']) def tearDown(self): self.session.delete(['interfaces', 'dummy', 'dum8765']) self.session.delete(base_path) self.session.commit() del self.session def test_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.session.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.session.set(pool + ['default-router', router]) self.session.set(pool + ['dns-server', dns_1]) self.session.set(pool + ['dns-server', dns_2]) self.session.set(pool + ['domain-name', domain_name]) # check validate() - No DHCP address range or active static-mapping set with self.assertRaises(ConfigSessionError): self.session.commit() self.session.set(pool + ['range', '0', 'start', range_0_start]) self.session.set(pool + ['range', '0', 'stop', range_0_stop]) self.session.set(pool + ['range', '1', 'start', range_1_start]) self.session.set(pool + ['range', '1', 'stop', range_1_stop]) # commit changes self.session.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'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_single_pool_static_mapping(self): shared_net_name = 'SMOKE-2' pool = base_path + ['shared-network-name', shared_net_name, 'subnet', subnet] # we use the first subnet IP address as default gateway self.session.set(pool + ['default-router', router]) self.session.set(pool + ['dns-server', dns_1]) self.session.set(pool + ['dns-server', dns_2]) self.session.set(pool + ['domain-name', domain_name]) # check validate() - No DHCP address range or active static-mapping set with self.assertRaises(ConfigSessionError): self.session.commit() client_base = 10 for client in ['client1', 'client2', 'client3']: mac = '00:50:00:00:00:{}'.format(client_base) self.session.set(pool + ['static-mapping', client, 'mac-address', mac]) self.session.set(pool + ['static-mapping', client, 'ip-address', inc_ip(subnet, client_base)]) client_base += 1 # commit changes self.session.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_multi_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.session.set(pool + ['default-router', router]) self.session.set(pool + ['dns-server', dns_1]) self.session.set(pool + ['domain-name', domain_name]) self.session.set(pool + ['lease', lease_time]) self.session.set(pool + ['range', '0', 'start', range_0_start]) self.session.set(pool + ['range', '0', 'stop', range_0_stop]) self.session.set(pool + ['range', '1', 'start', range_1_start]) self.session.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.session.set(pool + ['static-mapping', client, 'mac-address', mac]) self.session.set(pool + ['static-mapping', client, 'ip-address', inc_ip(subnet, client_base)]) client_base += 1 # commit changes self.session.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)) if __name__ == '__main__': unittest.main()