#!/usr/bin/env python3 # SPDX-License-Identifier: LGPL-2.1+ # systemd-networkd tests import os import re import shutil import signal import socket import subprocess import sys import time import unittest from shutil import copytree network_unit_file_path='/run/systemd/network' networkd_runtime_directory='/run/systemd/netif' networkd_ci_path='/run/networkd-ci' network_sysctl_ipv6_path='/proc/sys/net/ipv6/conf' network_sysctl_ipv4_path='/proc/sys/net/ipv4/conf' dnsmasq_pid_file='/run/networkd-ci/test-test-dnsmasq.pid' dnsmasq_log_file='/run/networkd-ci/test-dnsmasq-log-file' def is_module_available(module_name): lsmod_output = subprocess.check_output('lsmod', universal_newlines=True) module_re = re.compile(r'^{0}\b'.format(re.escape(module_name)), re.MULTILINE) return module_re.search(lsmod_output) or not subprocess.call(["modprobe", module_name]) def expectedFailureIfModuleIsNotAvailable(module_name): def f(func): if not is_module_available(module_name): return unittest.expectedFailure(func) return func return f def expectedFailureIfERSPANModuleIsNotAvailable(): def f(func): rc = subprocess.call(['ip', 'link', 'add', 'dev', 'erspan99', 'type', 'erspan', 'seq', 'key', '30', 'local', '192.168.1.4', 'remote', '192.168.1.1', 'erspan_ver', '1', 'erspan', '123']) if rc == 0: subprocess.call(['ip', 'link', 'del', 'erspan99']) return func else: return unittest.expectedFailure(func) return f def expectedFailureIfRoutingPolicyPortRangeIsNotAvailable(): def f(func): rc = subprocess.call(['ip', 'rule', 'add', 'from', '192.168.100.19', 'sport', '1123-1150', 'dport', '3224-3290', 'table', '7']) if rc == 0: subprocess.call(['ip', 'rule', 'del', 'from', '192.168.100.19', 'sport', '1123-1150', 'dport', '3224-3290', 'table', '7']) return func else: return unittest.expectedFailure(func) return f def expectedFailureIfRoutingPolicyIPProtoIsNotAvailable(): def f(func): rc = subprocess.call(['ip', 'rule', 'add', 'not', 'from', '192.168.100.19', 'ipproto', 'tcp', 'table', '7']) if rc == 0: subprocess.call(['ip', 'rule', 'del', 'not', 'from', '192.168.100.19', 'ipproto', 'tcp', 'table', '7']) return func else: return unittest.expectedFailure(func) return f def setUpModule(): os.makedirs(network_unit_file_path, exist_ok=True) os.makedirs(networkd_ci_path, exist_ok=True) shutil.rmtree(networkd_ci_path) copytree(os.path.join(os.path.dirname(os.path.abspath(__file__)), 'conf'), networkd_ci_path) subprocess.check_call('systemctl stop systemd-networkd.socket', shell=True) def tearDownModule(): shutil.rmtree(networkd_ci_path) subprocess.check_call('systemctl stop systemd-networkd.service', shell=True) subprocess.check_call('systemctl start systemd-networkd.socket', shell=True) subprocess.check_call('systemctl start systemd-networkd.service', shell=True) class Utilities(): dhcp_server_data = [] def read_link_attr(self, link, dev, attribute): with open(os.path.join(os.path.join(os.path.join('/sys/class/net/', link), dev), attribute)) as f: return f.readline().strip() def read_bridge_port_attr(self, bridge, link, attribute): path_bridge = os.path.join('/sys/devices/virtual/net', bridge) path_port = 'lower_' + link + '/brport' path = os.path.join(path_bridge, path_port) with open(os.path.join(path, attribute)) as f: return f.readline().strip() def link_exits(self, link): return os.path.exists(os.path.join('/sys/class/net', link)) def link_remove(self, links): for link in links: if os.path.exists(os.path.join('/sys/class/net', link)): subprocess.call(['ip', 'link', 'del', 'dev', link]) time.sleep(1) def read_ipv6_sysctl_attr(self, link, attribute): with open(os.path.join(os.path.join(network_sysctl_ipv6_path, link), attribute)) as f: return f.readline().strip() def read_ipv4_sysctl_attr(self, link, attribute): with open(os.path.join(os.path.join(network_sysctl_ipv4_path, link), attribute)) as f: return f.readline().strip() def copy_unit_to_networkd_unit_path(self, *units): for unit in units: shutil.copy(os.path.join(networkd_ci_path, unit), network_unit_file_path) if (os.path.exists(os.path.join(networkd_ci_path, unit + '.d'))): copytree(os.path.join(networkd_ci_path, unit + '.d'), os.path.join(network_unit_file_path, unit + '.d')) def remove_unit_from_networkd_path(self, units): for unit in units: if (os.path.exists(os.path.join(network_unit_file_path, unit))): os.remove(os.path.join(network_unit_file_path, unit)) if (os.path.exists(os.path.join(network_unit_file_path, unit + '.d'))): shutil.rmtree(os.path.join(network_unit_file_path, unit + '.d')) def start_dnsmasq(self, additional_options=''): dnsmasq_command = 'dnsmasq -8 /var/run/networkd-ci/test-dnsmasq-log-file --log-queries=extra --log-dhcp --pid-file=/var/run/networkd-ci/test-test-dnsmasq.pid --conf-file=/dev/null --interface=veth-peer --enable-ra --dhcp-range=2600::10,2600::20 --dhcp-range=192.168.5.10,192.168.5.200 -R --dhcp-leasefile=/var/run/networkd-ci/lease --dhcp-option=26,1492 --dhcp-option=option:router,192.168.5.1 --dhcp-option=33,192.168.5.4,192.168.5.5 --port=0 ' + additional_options subprocess.check_call(dnsmasq_command, shell=True) time.sleep(10) def stop_dnsmasq(self, pid_file): if os.path.exists(pid_file): with open(pid_file, 'r') as f: pid = f.read().rstrip(' \t\r\n\0') os.kill(int(pid), signal.SIGTERM) os.remove(pid_file) def search_words_in_dnsmasq_log(self, words, show_all=False): if os.path.exists(dnsmasq_log_file): with open (dnsmasq_log_file) as in_file: contents = in_file.read() if show_all: print(contents) for line in contents.split('\n'): if words in line: in_file.close() print("%s, %s" % (words, line)) return True return False def remove_lease_file(self): if os.path.exists(os.path.join(networkd_ci_path, 'lease')): os.remove(os.path.join(networkd_ci_path, 'lease')) def remove_log_file(self): if os.path.exists(dnsmasq_log_file): os.remove(dnsmasq_log_file) def start_networkd(self): if (os.path.exists(os.path.join(networkd_runtime_directory, 'state'))): subprocess.check_call('systemctl stop systemd-networkd', shell=True) os.remove(os.path.join(networkd_runtime_directory, 'state')) subprocess.check_call('systemctl start systemd-networkd', shell=True) else: subprocess.check_call('systemctl restart systemd-networkd', shell=True) time.sleep(5) print() class NetworkdNetDevTests(unittest.TestCase, Utilities): links =[ '6rdtun99', 'bond99', 'bridge99', 'dropin-test', 'dummy98', 'erspan-test', 'geneve99', 'gretap99', 'gretun99', 'ip6gretap99', 'ip6tnl99', 'ipiptun99', 'ipvlan99', 'isataptun99', 'macvlan99', 'macvtap99', 'sittun99', 'tap99', 'test1', 'tun99', 'vcan99', 'veth99', 'vlan99', 'vrf99', 'vti6tun99', 'vtitun99', 'vxlan99', 'wg98', 'wg99'] units = [ '10-dropin-test.netdev', '11-dummy.netdev', '12-dummy.netdev', '21-macvlan.netdev', '21-macvtap.netdev', '21-vlan.netdev', '21-vlan.network', '25-6rd-tunnel.netdev', '25-bond.netdev', '25-bond-balanced-tlb.netdev', '25-bridge.netdev', '25-erspan-tunnel.netdev', '25-geneve.netdev', '25-gretap-tunnel.netdev', '25-gre-tunnel.netdev', '25-ip6gre-tunnel.netdev', '25-ip6tnl-tunnel.netdev', '25-ipip-tunnel-independent.netdev', '25-ipip-tunnel.netdev', '25-ipvlan.netdev', '25-isatap-tunnel.netdev', '25-sit-tunnel.netdev', '25-tap.netdev', '25-tun.netdev', '25-vcan.netdev', '25-veth.netdev', '25-vrf.netdev', '25-vti6-tunnel.netdev', '25-vti-tunnel.netdev', '25-vxlan.netdev', '25-wireguard-23-peers.netdev', '25-wireguard-23-peers.network', '25-wireguard.netdev', '6rd.network', 'gre.network', 'gretap.network', 'gretun.network', 'ip6gretap.network', 'ip6tnl.network', 'ipip.network', 'ipvlan.network', 'isatap.network', 'macvlan.network', 'macvtap.network', 'sit.network', 'vti6.network', 'vti.network', 'vxlan.network'] def setUp(self): self.link_remove(self.links) def tearDown(self): self.link_remove(self.links) self.remove_unit_from_networkd_path(self.units) def test_dropin(self): self.copy_unit_to_networkd_unit_path('10-dropin-test.netdev') self.start_networkd() self.assertTrue(self.link_exits('dropin-test')) output = subprocess.check_output(['ip', 'link', 'show', 'dropin-test']).rstrip().decode('utf-8') print(output) self.assertRegex(output, '00:50:56:c0:00:28') def test_bridge(self): self.copy_unit_to_networkd_unit_path('25-bridge.netdev') self.start_networkd() self.assertTrue(self.link_exits('bridge99')) self.assertEqual('900', self.read_link_attr('bridge99', 'bridge', 'hello_time')) self.assertEqual('900', self.read_link_attr('bridge99', 'bridge', 'max_age')) self.assertEqual('900', self.read_link_attr('bridge99', 'bridge','forward_delay')) self.assertEqual('900', self.read_link_attr('bridge99', 'bridge','ageing_time')) self.assertEqual('9', self.read_link_attr('bridge99', 'bridge','priority')) self.assertEqual('1', self.read_link_attr('bridge99', 'bridge','multicast_querier')) self.assertEqual('1', self.read_link_attr('bridge99', 'bridge','multicast_snooping')) self.assertEqual('1', self.read_link_attr('bridge99', 'bridge','stp_state')) def test_bond(self): self.copy_unit_to_networkd_unit_path('25-bond.netdev') self.start_networkd() self.assertTrue(self.link_exits('bond99')) self.assertEqual('802.3ad 4', self.read_link_attr('bond99', 'bonding', 'mode')) self.assertEqual('layer3+4 1', self.read_link_attr('bond99', 'bonding', 'xmit_hash_policy')) self.assertEqual('1000', self.read_link_attr('bond99', 'bonding', 'miimon')) self.assertEqual('fast 1', self.read_link_attr('bond99', 'bonding', 'lacp_rate')) self.assertEqual('2000', self.read_link_attr('bond99', 'bonding', 'updelay')) self.assertEqual('2000', self.read_link_attr('bond99', 'bonding', 'downdelay')) self.assertEqual('4', self.read_link_attr('bond99', 'bonding', 'resend_igmp')) self.assertEqual('1', self.read_link_attr('bond99', 'bonding', 'min_links')) self.assertEqual('1218', self.read_link_attr('bond99', 'bonding', 'ad_actor_sys_prio')) self.assertEqual('811', self.read_link_attr('bond99', 'bonding', 'ad_user_port_key')) self.assertEqual('00:11:22:33:44:55', self.read_link_attr('bond99', 'bonding', 'ad_actor_system')) def test_bond_balanced_tlb(self): self.copy_unit_to_networkd_unit_path('25-bond-balanced-tlb.netdev') self.start_networkd() self.assertTrue(self.link_exits('bond99')) self.assertEqual('balance-tlb 5', self.read_link_attr('bond99', 'bonding', 'mode')) self.assertEqual('1', self.read_link_attr('bond99', 'bonding', 'tlb_dynamic_lb')) def test_vlan(self): self.copy_unit_to_networkd_unit_path('21-vlan.netdev', '11-dummy.netdev', '21-vlan.network') self.start_networkd() self.assertTrue(self.link_exits('vlan99')) output = subprocess.check_output(['ip', '-d', 'link', 'show', 'vlan99']).rstrip().decode('utf-8') print(output) self.assertTrue(output, 'REORDER_HDR') self.assertTrue(output, 'LOOSE_BINDING') self.assertTrue(output, 'GVRP') self.assertTrue(output, 'MVRP') self.assertTrue(output, '99') def test_macvtap(self): self.copy_unit_to_networkd_unit_path('21-macvtap.netdev', '11-dummy.netdev', 'macvtap.network') self.start_networkd() self.assertTrue(self.link_exits('macvtap99')) def test_macvlan(self): self.copy_unit_to_networkd_unit_path('21-macvlan.netdev', '11-dummy.netdev', 'macvlan.network') self.start_networkd() self.assertTrue(self.link_exits('macvlan99')) @expectedFailureIfModuleIsNotAvailable('ipvlan') def test_ipvlan(self): self.copy_unit_to_networkd_unit_path('25-ipvlan.netdev', '11-dummy.netdev', 'ipvlan.network') self.start_networkd() self.assertTrue(self.link_exits('ipvlan99')) def test_veth(self): self.copy_unit_to_networkd_unit_path('25-veth.netdev') self.start_networkd() self.assertTrue(self.link_exits('veth99')) def test_dummy(self): self.copy_unit_to_networkd_unit_path('11-dummy.netdev') self.start_networkd() self.assertTrue(self.link_exits('test1')) def test_tun(self): self.copy_unit_to_networkd_unit_path('25-tun.netdev') self.start_networkd() self.assertTrue(self.link_exits('tun99')) def test_tap(self): self.copy_unit_to_networkd_unit_path('25-tap.netdev') self.start_networkd() self.assertTrue(self.link_exits('tap99')) @expectedFailureIfModuleIsNotAvailable('vrf') def test_vrf(self): self.copy_unit_to_networkd_unit_path('25-vrf.netdev') self.start_networkd() self.assertTrue(self.link_exits('vrf99')) @expectedFailureIfModuleIsNotAvailable('vcan') def test_vcan(self): self.copy_unit_to_networkd_unit_path('25-vcan.netdev') self.start_networkd() self.assertTrue(self.link_exits('vcan99')) @expectedFailureIfModuleIsNotAvailable('wireguard') def test_wireguard(self): self.copy_unit_to_networkd_unit_path('25-wireguard.netdev') self.start_networkd() if shutil.which('wg'): subprocess.call('wg') output = subprocess.check_output(['wg', 'show', 'wg99', 'listen-port']).rstrip().decode('utf-8') self.assertTrue(output, '51820') output = subprocess.check_output(['wg', 'show', 'wg99', 'fwmark']).rstrip().decode('utf-8') self.assertTrue(output, '0x4d2') output = subprocess.check_output(['wg', 'show', 'wg99', 'allowed-ips']).rstrip().decode('utf-8') self.assertTrue(output, 'RDf+LSpeEre7YEIKaxg+wbpsNV7du+ktR99uBEtIiCA=\t192.168.26.0/24 fd31:bf08:57cb::/48') output = subprocess.check_output(['wg', 'show', 'wg99', 'persistent-keepalive']).rstrip().decode('utf-8') self.assertTrue(output, 'RDf+LSpeEre7YEIKaxg+wbpsNV7du+ktR99uBEtIiCA=\t20') output = subprocess.check_output(['wg', 'show', 'wg99', 'endpoints']).rstrip().decode('utf-8') self.assertTrue(output, 'RDf+LSpeEre7YEIKaxg+wbpsNV7du+ktR99uBEtIiCA=\t192.168.27.3:51820') self.assertTrue(self.link_exits('wg99')) @expectedFailureIfModuleIsNotAvailable('wireguard') def test_wireguard_23_peers(self): self.copy_unit_to_networkd_unit_path('25-wireguard-23-peers.netdev', '25-wireguard-23-peers.network') self.start_networkd() if shutil.which('wg'): subprocess.call('wg') self.assertTrue(self.link_exits('wg98')) def test_geneve(self): self.copy_unit_to_networkd_unit_path('25-geneve.netdev') self.start_networkd() self.assertTrue(self.link_exits('geneve99')) output = subprocess.check_output(['ip', '-d', 'link', 'show', 'geneve99']).rstrip().decode('utf-8') print(output) self.assertTrue(output, '192.168.22.1') self.assertTrue(output, '6082') self.assertTrue(output, 'udpcsum') self.assertTrue(output, 'udp6zerocsumrx') def test_ipip_tunnel(self): self.copy_unit_to_networkd_unit_path('12-dummy.netdev', '25-ipip-tunnel.netdev', 'ipip.network') self.start_networkd() self.assertTrue(self.link_exits('dummy98')) self.assertTrue(self.link_exits('ipiptun99')) def test_gre_tunnel(self): self.copy_unit_to_networkd_unit_path('12-dummy.netdev', '25-gre-tunnel.netdev', 'gretun.network') self.start_networkd() self.assertTrue(self.link_exits('dummy98')) self.assertTrue(self.link_exits('gretun99')) def test_gretap_tunnel(self): self.copy_unit_to_networkd_unit_path('12-dummy.netdev', '25-gretap-tunnel.netdev', 'gretap.network') self.start_networkd() self.assertTrue(self.link_exits('dummy98')) self.assertTrue(self.link_exits('gretap99')) def test_ip6gretap_tunnel(self): self.copy_unit_to_networkd_unit_path('12-dummy.netdev', '25-ip6gre-tunnel.netdev', 'ip6gretap.network') self.start_networkd() self.assertTrue(self.link_exits('dummy98')) self.assertTrue(self.link_exits('ip6gretap99')) def test_vti_tunnel(self): self.copy_unit_to_networkd_unit_path('12-dummy.netdev', '25-vti-tunnel.netdev', 'vti.network') self.start_networkd() self.assertTrue(self.link_exits('dummy98')) self.assertTrue(self.link_exits('vtitun99')) def test_vti6_tunnel(self): self.copy_unit_to_networkd_unit_path('12-dummy.netdev', '25-vti6-tunnel.netdev', 'vti6.network') self.start_networkd() self.assertTrue(self.link_exits('dummy98')) self.assertTrue(self.link_exits('vti6tun99')) def test_ip6tnl_tunnel(self): self.copy_unit_to_networkd_unit_path('12-dummy.netdev', '25-ip6tnl-tunnel.netdev', 'ip6tnl.network') self.start_networkd() self.assertTrue(self.link_exits('dummy98')) self.assertTrue(self.link_exits('ip6tnl99')) def test_sit_tunnel(self): self.copy_unit_to_networkd_unit_path('12-dummy.netdev', '25-sit-tunnel.netdev', 'sit.network') self.start_networkd() self.assertTrue(self.link_exits('dummy98')) self.assertTrue(self.link_exits('sittun99')) def test_isatap_tunnel(self): self.copy_unit_to_networkd_unit_path('12-dummy.netdev', '25-isatap-tunnel.netdev', 'isatap.network') self.start_networkd() self.assertTrue(self.link_exits('dummy98')) self.assertTrue(self.link_exits('isataptun99')) output = subprocess.check_output(['ip', '-d', 'link', 'show', 'isataptun99']).rstrip().decode('utf-8') print(output) self.assertRegex(output, "isatap ") def test_6rd_tunnel(self): self.copy_unit_to_networkd_unit_path('12-dummy.netdev', '25-6rd-tunnel.netdev', '6rd.network') self.start_networkd() self.assertTrue(self.link_exits('dummy98')) self.assertTrue(self.link_exits('sittun99')) @expectedFailureIfERSPANModuleIsNotAvailable() def test_erspan_tunnel(self): self.copy_unit_to_networkd_unit_path('25-erspan-tunnel.netdev') self.start_networkd() self.assertTrue(self.link_exits('erspan-test')) output = subprocess.check_output(['ip', '-d', 'link', 'show', 'erspan-test']).rstrip().decode('utf-8') print(output) self.assertTrue(output, '172.16.1.200') self.assertTrue(output, '172.16.1.100') self.assertTrue(output, '101') def test_tunnel_independent(self): self.copy_unit_to_networkd_unit_path('25-ipip-tunnel-independent.netdev') self.start_networkd() self.assertTrue(self.link_exits('ipiptun99')) def test_vxlan(self): self.copy_unit_to_networkd_unit_path('25-vxlan.netdev', 'vxlan.network','11-dummy.netdev') self.start_networkd() self.assertTrue(self.link_exits('vxlan99')) output = subprocess.check_output(['ip', '-d', 'link', 'show', 'vxlan99']).rstrip().decode('utf-8') print(output) self.assertRegex(output, "999") self.assertRegex(output, '5555') self.assertRegex(output, 'l2miss') self.assertRegex(output, 'l3miss') self.assertRegex(output, 'udpcsum') self.assertRegex(output, 'udp6zerocsumtx') self.assertRegex(output, 'udp6zerocsumrx') self.assertRegex(output, 'remcsumtx') self.assertRegex(output, 'remcsumrx') self.assertRegex(output, 'gbp') class NetworkdNetWorkTests(unittest.TestCase, Utilities): links = [ 'bond199', 'dummy98', 'test1'] units = [ '11-dummy.netdev', '12-dummy.netdev', '23-active-slave.network', '23-bond199.network', '23-primary-slave.network', '23-test1-bond199.network', '25-address-link-section.network', '25-address-section-miscellaneous.network', '25-address-section.network', '25-bond-active-backup-slave.netdev', '25-fibrule-invert.network', '25-fibrule-port-range.network', '25-ipv6-address-label-section.network', '25-neighbor-section.network', '25-link-local-addressing-no.network', '25-link-local-addressing-yes.network', '25-link-section-unmanaged.network', '25-route-gateway.network', '25-route-gateway-on-link.network', '25-route-ipv6-src.network', '25-route-reverse-order.network', '25-route-section.network', '25-route-tcp-window-settings.network', '25-route-type.network', '25-sysctl.network', 'configure-without-carrier.network', 'routing-policy-rule.network', 'test-static.network'] def setUp(self): self.link_remove(self.links) def tearDown(self): self.link_remove(self.links) self.remove_unit_from_networkd_path(self.units) def test_static_address(self): self.copy_unit_to_networkd_unit_path('12-dummy.netdev', 'test-static.network') self.start_networkd() self.assertTrue(self.link_exits('dummy98')) output = subprocess.check_output(['networkctl', 'status', 'dummy98']).rstrip().decode('utf-8') print(output) self.assertRegex(output, '192.168.0.15') self.assertRegex(output, '192.168.0.1') self.assertRegex(output, 'routable') def test_configure_without_carrier(self): self.copy_unit_to_networkd_unit_path('configure-without-carrier.network', '11-dummy.netdev') self.start_networkd() self.assertTrue(self.link_exits('test1')) output = subprocess.check_output(['networkctl', 'status', 'test1']).rstrip().decode('utf-8') print(output) self.assertRegex(output, '192.168.0.15') self.assertRegex(output, '192.168.0.1') self.assertRegex(output, 'routable') def test_bond_active_slave(self): self.copy_unit_to_networkd_unit_path('23-active-slave.network', '23-bond199.network', '25-bond-active-backup-slave.netdev', '12-dummy.netdev') self.start_networkd() self.assertTrue(self.link_exits('dummy98')) self.assertTrue(self.link_exits('bond199')) output = subprocess.check_output(['ip', '-d', 'link', 'show', 'bond199']).rstrip().decode('utf-8') print(output) self.assertRegex(output, 'active_slave dummy98') def test_bond_primary_slave(self): self.copy_unit_to_networkd_unit_path('23-primary-slave.network', '23-test1-bond199.network', '25-bond-active-backup-slave.netdev', '11-dummy.netdev') self.start_networkd() self.assertTrue(self.link_exits('test1')) self.assertTrue(self.link_exits('bond199')) output = subprocess.check_output(['ip', '-d', 'link', 'show', 'bond199']).rstrip().decode('utf-8') print(output) self.assertRegex(output, 'primary test1') def test_routing_policy_rule(self): self.copy_unit_to_networkd_unit_path('routing-policy-rule.network', '11-dummy.netdev') self.start_networkd() self.assertTrue(self.link_exits('test1')) output = subprocess.check_output(['ip', 'rule']).rstrip().decode('utf-8') print(output) self.assertRegex(output, '111') self.assertRegex(output, 'from 192.168.100.18') self.assertRegex(output, r'tos (?:0x08|throughput)\s') self.assertRegex(output, 'iif test1') self.assertRegex(output, 'oif test1') self.assertRegex(output, 'lookup 7') subprocess.call(['ip', 'rule', 'del', 'table', '7']) @expectedFailureIfRoutingPolicyPortRangeIsNotAvailable() def test_routing_policy_rule_port_range(self): self.copy_unit_to_networkd_unit_path('25-fibrule-port-range.network', '11-dummy.netdev') self.start_networkd() self.assertTrue(self.link_exits('test1')) output = subprocess.check_output(['ip', 'rule']).rstrip().decode('utf-8') print(output) self.assertRegex(output, '111') self.assertRegex(output, 'from 192.168.100.18') self.assertRegex(output, '1123-1150') self.assertRegex(output, '3224-3290') self.assertRegex(output, 'tcp') self.assertRegex(output, 'lookup 7') subprocess.call(['ip', 'rule', 'del', 'table', '7']) @expectedFailureIfRoutingPolicyIPProtoIsNotAvailable() def test_routing_policy_rule_invert(self): self.copy_unit_to_networkd_unit_path('25-fibrule-invert.network', '11-dummy.netdev') self.start_networkd() self.assertTrue(self.link_exits('test1')) output = subprocess.check_output(['ip', 'rule']).rstrip().decode('utf-8') print(output) self.assertRegex(output, '111') self.assertRegex(output, 'not.*?from.*?192.168.100.18') self.assertRegex(output, 'tcp') self.assertRegex(output, 'lookup 7') subprocess.call(['ip', 'rule', 'del', 'table', '7']) def test_address_peer(self): self.copy_unit_to_networkd_unit_path('25-address-section.network', '12-dummy.netdev') self.start_networkd() self.assertTrue(self.link_exits('dummy98')) output = subprocess.check_output(['ip', 'address', 'show', 'dummy98']).rstrip().decode('utf-8') print(output) self.assertRegex(output, 'inet 10.2.3.4 peer 10.2.3.5/16 scope global 32') self.assertRegex(output, 'inet 10.6.7.8/16 brd 10.6.255.255 scope global 33') self.assertRegex(output, 'inet6 2001:db8::20 peer 2001:db8::10/128 scope global') output = subprocess.check_output(['networkctl', 'status', 'dummy98']).rstrip().decode('utf-8') print(output) self.assertRegex(output, 'State: routable \(configured\)') def test_address_preferred_lifetime_zero_ipv6(self): self.copy_unit_to_networkd_unit_path('25-address-section-miscellaneous.network', '12-dummy.netdev') self.start_networkd() self.assertTrue(self.link_exits('dummy98')) output = subprocess.check_output(['ip', 'address', 'show', 'dummy98']).rstrip().decode('utf-8') print(output) self.assertRegex(output, 'inet 10.2.3.4/16 brd 10.2.255.255 scope link deprecated dummy98') self.assertRegex(output, 'inet6 2001:db8:0:f101::1/64 scope global') def test_ip_route(self): self.copy_unit_to_networkd_unit_path('25-route-section.network', '12-dummy.netdev') self.start_networkd() self.assertTrue(self.link_exits('dummy98')) output = subprocess.check_output(['ip', 'route', 'list', 'dev', 'dummy98']).rstrip().decode('utf-8') print(output) self.assertRegex(output, '192.168.0.1') self.assertRegex(output, 'static') self.assertRegex(output, '192.168.0.0/24') def test_ip_route_reverse(self): self.copy_unit_to_networkd_unit_path('25-route-reverse-order.network', '12-dummy.netdev') self.start_networkd() self.assertTrue(self.link_exits('dummy98')) output = subprocess.check_output(['ip', '-6', 'route', 'show', 'dev', 'dummy98']).rstrip().decode('utf-8') print(output) self.assertRegex(output, '2001:1234:5:8fff:ff:ff:ff:ff') self.assertRegex(output, '2001:1234:5:8f63::1') def test_ip_route_blackhole_unreachable_prohibit(self): self.copy_unit_to_networkd_unit_path('25-route-type.network', '12-dummy.netdev') self.start_networkd() self.assertTrue(self.link_exits('dummy98')) output = subprocess.check_output(['ip', 'route', 'list']).rstrip().decode('utf-8') print(output) self.assertRegex(output, 'blackhole') self.assertRegex(output, 'unreachable') self.assertRegex(output, 'prohibit') subprocess.call(['ip', 'route', 'del', 'blackhole', '202.54.1.2']) subprocess.call(['ip', 'route', 'del', 'unreachable', '202.54.1.3']) subprocess.call(['ip', 'route', 'del', 'prohibit', '202.54.1.4']) def test_ip_route_tcp_window(self): self.copy_unit_to_networkd_unit_path('25-route-tcp-window-settings.network', '11-dummy.netdev') self.start_networkd() self.assertTrue(self.link_exits('test1')) output = subprocess.check_output(['ip', 'route', 'list']).rstrip().decode('utf-8') print(output) self.assertRegex(output, 'initcwnd 20') self.assertRegex(output, 'initrwnd 30') def test_ip_route_gateway(self): self.copy_unit_to_networkd_unit_path('25-route-gateway.network', '12-dummy.netdev') self.start_networkd() self.assertTrue(self.link_exits('dummy98')) output = subprocess.check_output(['ip', 'route', 'list', 'dev', 'dummy98', 'default']).rstrip().decode('utf-8') print(output) self.assertRegex(output, 'default') self.assertRegex(output, 'via') self.assertRegex(output, '149.10.124.64') self.assertRegex(output, 'proto') self.assertRegex(output, 'static') output = subprocess.check_output(['ip', 'route', 'list', 'dev', 'dummy98', 'src', '149.10.124.58']).rstrip().decode('utf-8') print(output) self.assertRegex(output, '149.10.124.48/28') self.assertRegex(output, 'proto') self.assertRegex(output, 'kernel') self.assertRegex(output, 'scope') self.assertRegex(output, 'link') def test_ip_route_gateway_on_link(self): self.copy_unit_to_networkd_unit_path('25-route-gateway-on-link.network', '12-dummy.netdev') self.start_networkd() self.assertTrue(self.link_exits('dummy98')) output = subprocess.check_output(['ip', 'route', 'list', 'dev', 'dummy98', 'default']).rstrip().decode('utf-8') print(output) self.assertRegex(output, 'default') self.assertRegex(output, 'via') self.assertRegex(output, '149.10.125.65') self.assertRegex(output, 'proto') self.assertRegex(output, 'static') self.assertRegex(output, 'onlink') output = subprocess.check_output(['ip', 'route', 'list', 'dev', 'dummy98', 'src', '149.10.124.58']).rstrip().decode('utf-8') print(output) self.assertRegex(output, '149.10.124.48/28') self.assertRegex(output, 'proto') self.assertRegex(output, 'kernel') self.assertRegex(output, 'scope') self.assertRegex(output, 'link') def test_ip_route_ipv6_src_route(self): # a dummy device does not make the addresses go through tentative state, so we # reuse a bond from an earlier test, which does make the addresses go through # tentative state, and do our test on that self.copy_unit_to_networkd_unit_path('23-active-slave.network', '25-route-ipv6-src.network', '25-bond-active-backup-slave.netdev', '12-dummy.netdev') self.start_networkd() self.assertTrue(self.link_exits('dummy98')) self.assertTrue(self.link_exits('bond199')) output = subprocess.check_output(['ip', '-6', 'route', 'list', 'dev', 'bond199']).rstrip().decode('utf-8') print(output) self.assertRegex(output, 'abcd::/16') self.assertRegex(output, 'src') self.assertRegex(output, '2001:1234:56:8f63::2') def test_ip_link_mac_address(self): self.copy_unit_to_networkd_unit_path('25-address-link-section.network', '12-dummy.netdev') self.start_networkd() self.assertTrue(self.link_exits('dummy98')) output = subprocess.check_output(['ip', 'link', 'show', 'dummy98']).rstrip().decode('utf-8') print(output) self.assertRegex(output, '00:01:02:aa:bb:cc') def test_ip_link_unmanaged(self): self.copy_unit_to_networkd_unit_path('25-link-section-unmanaged.network', '12-dummy.netdev') self.start_networkd() self.assertTrue(self.link_exits('dummy98')) output = subprocess.check_output(['networkctl', 'status', 'dummy98']).rstrip().decode('utf-8') print(output) self.assertRegex(output, 'unmanaged') def test_ipv6_address_label(self): self.copy_unit_to_networkd_unit_path('25-ipv6-address-label-section.network', '12-dummy.netdev') self.start_networkd() self.assertTrue(self.link_exits('dummy98')) output = subprocess.check_output(['ip', 'addrlabel', 'list']).rstrip().decode('utf-8') print(output) self.assertRegex(output, '2004:da8:1::/64') def test_ipv6_neighbor(self): self.copy_unit_to_networkd_unit_path('25-neighbor-section.network', '12-dummy.netdev') self.start_networkd() self.assertTrue(self.link_exits('dummy98')) output = subprocess.check_output(['ip', 'neigh', 'list']).rstrip().decode('utf-8') print(output) self.assertRegex(output, '192.168.10.1.*00:00:5e:00:02:65.*PERMANENT') self.assertRegex(output, '2004:da8:1::1.*00:00:5e:00:02:66.*PERMANENT') def test_link_local_addressing(self): self.copy_unit_to_networkd_unit_path('25-link-local-addressing-yes.network', '11-dummy.netdev', '25-link-local-addressing-no.network', '12-dummy.netdev') self.start_networkd() self.assertTrue(self.link_exits('test1')) self.assertTrue(self.link_exits('dummy98')) time.sleep(10) output = subprocess.check_output(['ip', 'address', 'show', 'dev', 'test1']).rstrip().decode('utf-8') print(output) self.assertRegex(output, 'inet .* scope link') self.assertRegex(output, 'inet6 .* scope link') output = subprocess.check_output(['ip', 'address', 'show', 'dev', 'dummy98']).rstrip().decode('utf-8') print(output) self.assertNotRegex(output, 'inet6* .* scope link') output = subprocess.check_output(['networkctl', 'status', 'test1']).rstrip().decode('utf-8') print(output) self.assertRegex(output, 'State: degraded \(configured\)') output = subprocess.check_output(['networkctl', 'status', 'dummy98']).rstrip().decode('utf-8') print(output) self.assertRegex(output, 'State: carrier \(configured\)') ''' Documentation/networking/ip-sysctl.txt addr_gen_mode - INTEGER Defines how link-local and autoconf addresses are generated. 0: generate address based on EUI64 (default) 1: do no generate a link-local address, use EUI64 for addresses generated from autoconf 2: generate stable privacy addresses, using the secret from stable_secret (RFC7217) 3: generate stable privacy addresses, using a random secret if unset ''' test1_addr_gen_mode = '' if os.path.exists(os.path.join(os.path.join(network_sysctl_ipv6_path, 'test1'), 'stable_secret')): with open(os.path.join(os.path.join(network_sysctl_ipv6_path, 'test1'), 'stable_secret')) as f: try: f.readline() except IOError: # if stable_secret is unset, then EIO is returned test1_addr_gen_mode = '0' else: test1_addr_gen_mode = '2' else: test1_addr_gen_mode = '0' if os.path.exists(os.path.join(os.path.join(network_sysctl_ipv6_path, 'test1'), 'addr_gen_mode')): self.assertEqual(self.read_ipv6_sysctl_attr('test1', 'addr_gen_mode'), '0') if os.path.exists(os.path.join(os.path.join(network_sysctl_ipv6_path, 'dummy98'), 'addr_gen_mode')): self.assertEqual(self.read_ipv6_sysctl_attr('dummy98', 'addr_gen_mode'), '1') def test_sysctl(self): self.copy_unit_to_networkd_unit_path('25-sysctl.network', '12-dummy.netdev') self.start_networkd() self.assertTrue(self.link_exits('dummy98')) self.assertEqual(self.read_ipv6_sysctl_attr('dummy98', 'forwarding'), '1') self.assertEqual(self.read_ipv6_sysctl_attr('dummy98', 'use_tempaddr'), '2') self.assertEqual(self.read_ipv6_sysctl_attr('dummy98', 'dad_transmits'), '3') self.assertEqual(self.read_ipv6_sysctl_attr('dummy98', 'hop_limit'), '5') self.assertEqual(self.read_ipv6_sysctl_attr('dummy98', 'proxy_ndp'), '1') self.assertEqual(self.read_ipv4_sysctl_attr('dummy98', 'forwarding'),'1') self.assertEqual(self.read_ipv4_sysctl_attr('dummy98', 'proxy_arp'), '1') class NetworkdNetWorkBridgeTests(unittest.TestCase, Utilities): links = [ 'bridge99', 'dummy98', 'test1'] units = [ '11-dummy.netdev', '12-dummy.netdev', '26-bridge.netdev', '26-bridge-slave-interface-1.network', '26-bridge-slave-interface-2.network', 'bridge99.network'] def setUp(self): self.link_remove(self.links) def tearDown(self): self.link_remove(self.links) self.remove_unit_from_networkd_path(self.units) def test_bridge_property(self): self.copy_unit_to_networkd_unit_path('11-dummy.netdev', '12-dummy.netdev', '26-bridge.netdev', '26-bridge-slave-interface-1.network', '26-bridge-slave-interface-2.network', 'bridge99.network') self.start_networkd() self.assertTrue(self.link_exits('dummy98')) self.assertTrue(self.link_exits('test1')) self.assertTrue(self.link_exits('bridge99')) output = subprocess.check_output(['ip', '-d', 'link', 'show', 'test1']).rstrip().decode('utf-8') print(output) self.assertRegex(output, 'master') self.assertRegex(output, 'bridge') output = subprocess.check_output(['ip', '-d', 'link', 'show', 'dummy98']).rstrip().decode('utf-8') print(output) self.assertRegex(output, 'master') self.assertRegex(output, 'bridge') output = subprocess.check_output(['ip', 'addr', 'show', 'bridge99']).rstrip().decode('utf-8') print(output) self.assertRegex(output, '192.168.0.15') self.assertRegex(output, '192.168.0.1') output = subprocess.check_output(['bridge', '-d', 'link', 'show', 'dummy98']).rstrip().decode('utf-8') print(output) self.assertEqual(self.read_bridge_port_attr('bridge99', 'dummy98', 'hairpin_mode'), '1') self.assertEqual(self.read_bridge_port_attr('bridge99', 'dummy98', 'path_cost'), '400') self.assertEqual(self.read_bridge_port_attr('bridge99', 'dummy98', 'unicast_flood'), '1') self.assertEqual(self.read_bridge_port_attr('bridge99', 'dummy98', 'multicast_fast_leave'), '1') # CONFIG_BRIDGE_IGMP_SNOOPING=y if (os.path.exists('/sys/devices/virtual/net/bridge00/lower_dummy98/brport/multicast_to_unicast')): self.assertEqual(self.read_bridge_port_attr('bridge99', 'dummy98', 'multicast_to_unicast'), '1') class NetworkdNetWorkLLDPTests(unittest.TestCase, Utilities): links = ['veth99'] units = [ '23-emit-lldp.network', '24-lldp.network', '25-veth.netdev'] def setUp(self): self.link_remove(self.links) def tearDown(self): self.link_remove(self.links) self.remove_unit_from_networkd_path(self.units) def test_lldp(self): self.copy_unit_to_networkd_unit_path('23-emit-lldp.network', '24-lldp.network', '25-veth.netdev') self.start_networkd() self.assertTrue(self.link_exits('veth99')) output = subprocess.check_output(['networkctl', 'lldp']).rstrip().decode('utf-8') print(output) self.assertRegex(output, 'veth-peer') self.assertRegex(output, 'veth99') class NetworkdNetworkRATests(unittest.TestCase, Utilities): links = ['veth99'] units = [ '25-veth.netdev', 'ipv6-prefix.network', 'ipv6-prefix-veth.network'] def setUp(self): self.link_remove(self.links) def tearDown(self): self.link_remove(self.links) self.remove_unit_from_networkd_path(self.units) def test_ipv6_prefix_delegation(self): self.copy_unit_to_networkd_unit_path('25-veth.netdev', 'ipv6-prefix.network', 'ipv6-prefix-veth.network') self.start_networkd() self.assertTrue(self.link_exits('veth99')) output = subprocess.check_output(['networkctl', 'status', 'veth99']).rstrip().decode('utf-8') print(output) self.assertRegex(output, '2002:da8:1:0') class NetworkdNetworkDHCPServerTests(unittest.TestCase, Utilities): links = [ 'dummy98', 'veth99'] units = [ '12-dummy.netdev', '24-search-domain.network', '25-veth.netdev', 'dhcp-client.network', 'dhcp-client-timezone-router.network', 'dhcp-server.network', 'dhcp-server-timezone-router.network'] def setUp(self): self.link_remove(self.links) def tearDown(self): self.link_remove(self.links) self.remove_unit_from_networkd_path(self.units) def test_dhcp_server(self): self.copy_unit_to_networkd_unit_path('25-veth.netdev', 'dhcp-client.network', 'dhcp-server.network') self.start_networkd() self.assertTrue(self.link_exits('veth99')) output = subprocess.check_output(['networkctl', 'status', 'veth99']).rstrip().decode('utf-8') print(output) self.assertRegex(output, '192.168.5.*') self.assertRegex(output, 'Gateway: 192.168.5.1') self.assertRegex(output, 'DNS: 192.168.5.1') self.assertRegex(output, 'NTP: 192.168.5.1') def test_domain(self): self.copy_unit_to_networkd_unit_path('12-dummy.netdev', '24-search-domain.network') self.start_networkd() self.assertTrue(self.link_exits('dummy98')) output = subprocess.check_output(['networkctl', 'status', 'dummy98']).rstrip().decode('utf-8') print(output) self.assertRegex(output, 'Address: 192.168.42.100') self.assertRegex(output, 'DNS: 192.168.42.1') self.assertRegex(output, 'Search Domains: one') def test_emit_router_timezone(self): self.copy_unit_to_networkd_unit_path('25-veth.netdev', 'dhcp-client-timezone-router.network', 'dhcp-server-timezone-router.network') self.start_networkd() self.assertTrue(self.link_exits('veth99')) output = subprocess.check_output(['networkctl', 'status', 'veth99']).rstrip().decode('utf-8') print(output) self.assertRegex(output, 'Gateway: 192.168.5.*') self.assertRegex(output, '192.168.5.*') self.assertRegex(output, 'Europe/Berlin') class NetworkdNetworkDHCPClientTests(unittest.TestCase, Utilities): links = [ 'dummy98', 'veth99'] units = [ '25-veth.netdev', 'dhcp-client-anonymize.network', 'dhcp-client-critical-connection.network', 'dhcp-client-ipv4-dhcp-settings.network', 'dhcp-client-ipv4-only-ipv6-disabled.network', 'dhcp-client-ipv4-only.network', 'dhcp-client-ipv6-only.network', 'dhcp-client-ipv6-rapid-commit.network', 'dhcp-client-listen-port.network', 'dhcp-client-route-metric.network', 'dhcp-client-route-table.network', 'dhcp-client.network', 'dhcp-server-veth-peer.network', 'dhcp-v4-server-veth-peer.network', 'static.network'] def setUp(self): self.link_remove(self.links) self.stop_dnsmasq(dnsmasq_pid_file) def tearDown(self): self.link_remove(self.links) self.remove_unit_from_networkd_path(self.units) self.stop_dnsmasq(dnsmasq_pid_file) self.remove_lease_file() self.remove_log_file() def test_dhcp_client_ipv6_only(self): self.copy_unit_to_networkd_unit_path('25-veth.netdev', 'dhcp-server-veth-peer.network', 'dhcp-client-ipv6-only.network') self.start_networkd() self.assertTrue(self.link_exits('veth99')) self.start_dnsmasq() output = subprocess.check_output(['networkctl', 'status', 'veth99']).rstrip().decode('utf-8') print(output) self.assertRegex(output, '2600::') self.assertNotRegex(output, '192.168.5') def test_dhcp_client_ipv4_only(self): self.copy_unit_to_networkd_unit_path('25-veth.netdev', 'dhcp-server-veth-peer.network', 'dhcp-client-ipv4-only-ipv6-disabled.network') self.start_networkd() self.assertTrue(self.link_exits('veth99')) self.start_dnsmasq() output = subprocess.check_output(['networkctl', 'status', 'veth99']).rstrip().decode('utf-8') print(output) self.assertNotRegex(output, '2600::') self.assertRegex(output, '192.168.5') def test_dhcp_client_ipv4_ipv6(self): self.copy_unit_to_networkd_unit_path('25-veth.netdev', 'dhcp-server-veth-peer.network', 'dhcp-client-ipv6-only.network', 'dhcp-client-ipv4-only.network') self.start_networkd() self.assertTrue(self.link_exits('veth99')) self.start_dnsmasq() output = subprocess.check_output(['networkctl', 'status', 'veth99']).rstrip().decode('utf-8') print(output) self.assertRegex(output, '2600::') self.assertRegex(output, '192.168.5') def test_dhcp_client_settings(self): self.copy_unit_to_networkd_unit_path('25-veth.netdev', 'dhcp-server-veth-peer.network', 'dhcp-client-ipv4-dhcp-settings.network') self.start_networkd() self.assertTrue(self.link_exits('veth99')) self.start_dnsmasq() output = subprocess.check_output(['ip', 'address', 'show', 'dev', 'veth99']).rstrip().decode('utf-8') print(output) self.assertRegex(output, '12:34:56:78:9a:bc') self.assertRegex(output, '192.168.5') self.assertRegex(output, '1492') output = subprocess.check_output(['ip', 'route']).rstrip().decode('utf-8') print(output) self.assertRegex(output, 'default.*dev veth99 proto dhcp') self.assertTrue(self.search_words_in_dnsmasq_log('vendor class: SusantVendorTest', True)) self.assertTrue(self.search_words_in_dnsmasq_log('DHCPDISCOVER(veth-peer) 12:34:56:78:9a:bc')) self.assertTrue(self.search_words_in_dnsmasq_log('client provides name: test-hostname')) self.assertTrue(self.search_words_in_dnsmasq_log('26:mtu')) def test_dhcp6_client_settings_rapidcommit_true(self): self.copy_unit_to_networkd_unit_path('25-veth.netdev', 'dhcp-server-veth-peer.network', 'dhcp-client-ipv6-only.network') self.start_networkd() self.assertTrue(self.link_exits('veth99')) self.start_dnsmasq() output = subprocess.check_output(['ip', 'address', 'show', 'dev', 'veth99']).rstrip().decode('utf-8') print(output) self.assertRegex(output, '12:34:56:78:9a:bc') self.assertTrue(self.search_words_in_dnsmasq_log('14:rapid-commit', True)) def test_dhcp6_client_settings_rapidcommit_false(self): self.copy_unit_to_networkd_unit_path('25-veth.netdev', 'dhcp-server-veth-peer.network', 'dhcp-client-ipv6-rapid-commit.network') self.start_networkd() self.assertTrue(self.link_exits('veth99')) self.start_dnsmasq() output = subprocess.check_output(['ip', 'address', 'show', 'dev', 'veth99']).rstrip().decode('utf-8') print(output) self.assertRegex(output, '12:34:56:78:9a:bc') self.assertFalse(self.search_words_in_dnsmasq_log('14:rapid-commit', True)) def test_dhcp_client_settings_anonymize(self): self.copy_unit_to_networkd_unit_path('25-veth.netdev', 'dhcp-server-veth-peer.network', 'dhcp-client-anonymize.network') self.start_networkd() self.assertTrue(self.link_exits('veth99')) self.start_dnsmasq() self.assertFalse(self.search_words_in_dnsmasq_log('VendorClassIdentifier=SusantVendorTest', True)) self.assertFalse(self.search_words_in_dnsmasq_log('test-hostname')) self.assertFalse(self.search_words_in_dnsmasq_log('26:mtu')) def test_dhcp_client_listen_port(self): self.copy_unit_to_networkd_unit_path('25-veth.netdev', 'dhcp-server-veth-peer.network', 'dhcp-client-listen-port.network') self.start_networkd() self.assertTrue(self.link_exits('veth99')) self.start_dnsmasq('--dhcp-alternate-port=67,5555') output = subprocess.check_output(['ip', '-4', 'address', 'show', 'dev', 'veth99']).rstrip().decode('utf-8') print(output) self.assertRegex(output, '192.168.5.* dynamic') def test_dhcp_route_table_id(self): self.copy_unit_to_networkd_unit_path('25-veth.netdev', 'dhcp-v4-server-veth-peer.network', 'dhcp-client-route-table.network') self.start_networkd() self.assertTrue(self.link_exits('veth99')) self.start_dnsmasq() output = subprocess.check_output(['ip', 'route', 'show', 'table', '12']).rstrip().decode('utf-8') print(output) self.assertRegex(output, 'veth99 proto dhcp') self.assertRegex(output, '192.168.5.1') def test_dhcp_route_metric(self): self.copy_unit_to_networkd_unit_path('25-veth.netdev', 'dhcp-v4-server-veth-peer.network', 'dhcp-client-route-metric.network') self.start_networkd() self.assertTrue(self.link_exits('veth99')) self.start_dnsmasq() output = subprocess.check_output(['ip', 'route', 'show', 'dev', 'veth99']).rstrip().decode('utf-8') print(output) self.assertRegex(output, 'metric 24') def test_dhcp_route_criticalconnection_true(self): self.copy_unit_to_networkd_unit_path('25-veth.netdev', 'dhcp-v4-server-veth-peer.network', 'dhcp-client-critical-connection.network') self.start_networkd() self.assertTrue(self.link_exits('veth99')) self.start_dnsmasq() output = subprocess.check_output(['networkctl', 'status', 'veth99']).rstrip().decode('utf-8') print(output) self.assertRegex(output, '192.168.5.*') # Stoping dnsmasq as networkd won't be allowed to renew the DHCP lease. self.stop_dnsmasq(dnsmasq_pid_file) # Sleep for 120 sec as the dnsmasq minimum lease time can only be set to 120 time.sleep(125) output = subprocess.check_output(['networkctl', 'status', 'veth99']).rstrip().decode('utf-8') print(output) self.assertRegex(output, '192.168.5.*') def test_dhcp_client_reuse_address_as_static(self): self.copy_unit_to_networkd_unit_path('25-veth.netdev', 'dhcp-server-veth-peer.network', 'dhcp-client.network') self.start_networkd() self.assertTrue(self.link_exits('veth99')) self.start_dnsmasq() output = subprocess.check_output(['ip', 'address', 'show', 'dev', 'veth99', 'scope', 'global']).rstrip().decode('utf-8') print(output) self.assertRegex(output, '192.168.5') self.assertRegex(output, '2600::') ipv4_address = re.search('192\.168\.5\.[0-9]*/24', output) ipv6_address = re.search('2600::[0-9a-f:]*/128', output) static_network = '\n'.join(['[Match]', 'Name=veth99', '[Network]', 'IPv6AcceptRA=no', 'Address=' + ipv4_address.group(), 'Address=' + ipv6_address.group()]) print(static_network) self.remove_unit_from_networkd_path(['dhcp-client.network']) with open(os.path.join(network_unit_file_path, 'static.network'), mode='w') as f: f.write(static_network) self.start_networkd() self.assertTrue(self.link_exits('veth99')) output = subprocess.check_output(['ip', '-4', 'address', 'show', 'dev', 'veth99', 'scope', 'global']).rstrip().decode('utf-8') print(output) self.assertRegex(output, '192.168.5') self.assertRegex(output, 'valid_lft forever preferred_lft forever') output = subprocess.check_output(['ip', '-6', 'address', 'show', 'dev', 'veth99', 'scope', 'global']).rstrip().decode('utf-8') print(output) self.assertRegex(output, '2600::') self.assertRegex(output, 'valid_lft forever preferred_lft forever') if __name__ == '__main__': unittest.main(testRunner=unittest.TextTestRunner(stream=sys.stdout, verbosity=3))