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test-network: add tests for KeepCarrier= for tuntap interfaces

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This commit is contained in:
Yu Watanabe 2022-08-13 07:46:47 +09:00
parent af7a86b8a6
commit ae014ecb3d
4 changed files with 74 additions and 3 deletions
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1
test/test-network/conf/25-tap.netdev
View file

@ -7,3 +7,4 @@ Kind=tap
MultiQueue=true
PacketInfo=true
VNetHeader=true
KeepCarrier=yes

1
test/test-network/conf/25-tun.netdev
View file

@ -7,3 +7,4 @@ Kind=tun
MultiQueue=true
PacketInfo=true
VNetHeader=true
KeepCarrier=yes

2
test/test-network/conf/26-netdev-link-local-addressing-yes.network
View file

@ -22,6 +22,8 @@ Name=nlmon99
Name=xfrm98 xfrm99
Name=vxlan98
Name=hogehogehogehogehogehoge
Name=testtun99
Name=testtap99
[Network]
LinkLocalAddressing=yes

73
test/test-network/systemd-networkd-tests.py
View file

@ -13,6 +13,7 @@ import errno
import itertools
import os
import pathlib
import psutil
import re
import shutil
import signal
@ -607,6 +608,9 @@ def restart_networkd(show_logs=True):
if show_logs:
print(check_output('journalctl _SYSTEMD_INVOCATION_ID=' + invocation_id))
def networkd_pid():
return int(check_output('systemctl show --value -p MainPID systemd-networkd.service'))
def networkctl_reconfigure(*links):
check_output(*networkctl_cmd, 'reconfigure', *links, env=env)
@ -1321,20 +1325,83 @@ class NetworkdNetDevTests(unittest.TestCase, Utilities):
self.assertRegex(output, 'mtu 1800')
def test_tuntap(self):
copy_network_unit('25-tun.netdev', '25-tap.netdev')
copy_network_unit('25-tun.netdev', '25-tap.netdev', '26-netdev-link-local-addressing-yes.network')
start_networkd()
self.wait_online(['testtun99:off', 'testtap99:off'], setup_state='unmanaged')
self.wait_online(['testtun99:degraded', 'testtap99:degraded'])
pid = networkd_pid()
name = psutil.Process(pid).name()[:15]
output = check_output('ip -d tuntap show')
print(output)
self.assertRegex(output, f'(?m)testtap99: tap pi (multi_queue |)vnet_hdr persist filter *(0x100|)\n\tAttached to processes:{name}\({pid}\)systemd\(1\)$')
self.assertRegex(output, f'(?m)testtun99: tun pi (multi_queue |)vnet_hdr persist filter *(0x100|)\n\tAttached to processes:{name}\({pid}\)systemd\(1\)$')
output = check_output('ip -d link show testtun99')
print(output)
# Old ip command does not support IFF_ flags
self.assertRegex(output, 'tun (type tun pi on vnet_hdr on multi_queue|addrgenmode) ')
self.assertIn('UP,LOWER_UP', output)
output = check_output('ip -d link show testtap99')
print(output)
# Old ip command does not support IFF_ flags
self.assertRegex(output, 'tun (type tap pi on vnet_hdr on multi_queue|addrgenmode) ')
self.assertIn('UP,LOWER_UP', output)
remove_network_unit('26-netdev-link-local-addressing-yes.network')
restart_networkd()
self.wait_online(['testtun99:degraded', 'testtap99:degraded'], setup_state='unmanaged')
pid = networkd_pid()
name = psutil.Process(pid).name()[:15]
output = check_output('ip -d tuntap show')
print(output)
self.assertRegex(output, f'(?m)testtap99: tap pi (multi_queue |)vnet_hdr persist filter *(0x100|)\n\tAttached to processes:{name}\({pid}\)systemd\(1\)$')
self.assertRegex(output, f'(?m)testtun99: tun pi (multi_queue |)vnet_hdr persist filter *(0x100|)\n\tAttached to processes:{name}\({pid}\)systemd\(1\)$')
output = check_output('ip -d link show testtun99')
print(output)
self.assertRegex(output, 'tun (type tun pi on vnet_hdr on multi_queue|addrgenmode) ')
self.assertIn('UP,LOWER_UP', output)
output = check_output('ip -d link show testtap99')
print(output)
self.assertRegex(output, 'tun (type tap pi on vnet_hdr on multi_queue|addrgenmode) ')
self.assertIn('UP,LOWER_UP', output)
clear_network_units()
restart_networkd()
self.wait_online(['testtun99:off', 'testtap99:off'], setup_state='unmanaged')
output = check_output('ip -d tuntap show')
print(output)
self.assertRegex(output, f'(?m)testtap99: tap pi (multi_queue |)vnet_hdr persist filter *(0x100|)\n\tAttached to processes:$')
self.assertRegex(output, f'(?m)testtun99: tun pi (multi_queue |)vnet_hdr persist filter *(0x100|)\n\tAttached to processes:$')
for i in range(10):
if i != 0:
time.sleep(1)
output = check_output('ip -d link show testtun99')
print(output)
self.assertRegex(output, 'tun (type tun pi on vnet_hdr on multi_queue|addrgenmode) ')
if 'NO-CARRIER' in output:
break
else:
self.fail()
for i in range(10):
if i != 0:
time.sleep(1)
output = check_output('ip -d link show testtap99')
print(output)
self.assertRegex(output, 'tun (type tap pi on vnet_hdr on multi_queue|addrgenmode) ')
if 'NO-CARRIER' in output:
break
else:
self.fail()
@expectedFailureIfModuleIsNotAvailable('vrf')
def test_vrf(self):