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test-network: add test for 6rd

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This commit is contained in:
Yu Watanabe
2021-12-07 20:33:20 +09:00
parent 31fc1366d6
commit 84cc85f983
4 changed files with 285 additions and 0 deletions
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test/test-network/conf/dhcp4-6rd-server.network
+7
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@@ -0,0 +1,7 @@
# SPDX-License-Identifier: LGPL-2.1-or-later
[Match]
Name=veth-peer
[Network]
IPv6AcceptRA=no
Address=10.0.0.1/8
test/test-network/conf/dhcp4-6rd-upstream.network
+19
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@@ -0,0 +1,19 @@
# SPDX-License-Identifier: LGPL-2.1-or-later
[Match]
Name=veth99
[Network]
IPv6PrivacyExtensions=yes
IPv6AcceptRA=no
DHCP=ipv4
DHCPPrefixDelegation=yes
[DHCPv4]
Use6RD=yes
[DHCPPrefixDelegation]
UplinkInterface=:self
SubnetId=10
Announce=no
Token=eui64
Token=::1a:2b:3c:4d
test/test-network/conf/isc-dhcpd-6rd.conf
+22
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@@ -0,0 +1,22 @@
default-lease-time 2592000;
preferred-lifetime 604800;
default-lease-time 600;
max-lease-time 7200;
option domain-name-servers 10.0.0.2;
option domain-search "test.example.com","example.com";
# ipv4masklen = 8
# 6rd prefix = 2001:db8::/32
# BR address = 10.0.0.1
option option-6rd code 212 = {
integer 8, integer 8, ip6-address, array of ip-address
};
option option-6rd 8 32 2001:db8:: 10.0.0.1;
subnet 10.0.0.0 netmask 255.0.0.0 {
# Addresses available to clients
range 10.100.100.100 10.100.100.199;
}
test/test-network/systemd-networkd-tests.py
+237
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@@ -5020,6 +5020,8 @@ class NetworkdDHCPPDTests(unittest.TestCase, Utilities):
'dhcp-pd-downstream-veth97-peer.network',
'dhcp-pd-downstream-veth98.network',
'dhcp-pd-downstream-veth98-peer.network',
'dhcp4-6rd-server.network',
'dhcp4-6rd-upstream.network',
'dhcp6pd-server.network',
'dhcp6pd-upstream.network',
]
@@ -5229,6 +5231,241 @@ class NetworkdDHCPPDTests(unittest.TestCase, Utilities):
print(output)
self.assertRegex(output, '3ffe:501:ffff:[2-9a-f]03::/64 proto dhcp metric [0-9]* expires')
def test_dhcp4_6rd(self):
copy_unit_to_networkd_unit_path('25-veth.netdev', 'dhcp4-6rd-server.network', 'dhcp4-6rd-upstream.network',
'25-veth-downstream-veth97.netdev', 'dhcp-pd-downstream-veth97.network', 'dhcp-pd-downstream-veth97-peer.network',
'25-veth-downstream-veth98.netdev', 'dhcp-pd-downstream-veth98.network', 'dhcp-pd-downstream-veth98-peer.network',
'11-dummy.netdev', 'dhcp-pd-downstream-test1.network',
'dhcp-pd-downstream-dummy97.network',
'12-dummy.netdev', 'dhcp-pd-downstream-dummy98.network',
'13-dummy.netdev', 'dhcp-pd-downstream-dummy99.network')
start_networkd()
self.wait_online(['veth-peer:routable'])
start_isc_dhcpd('veth-peer', 'isc-dhcpd-6rd.conf', ip='-4')
self.wait_online(['veth99:routable', 'test1:routable', 'dummy98:routable', 'dummy99:degraded',
'veth97:routable', 'veth97-peer:routable', 'veth98:routable', 'veth98-peer:routable'])
print('### ip -4 address show dev veth-peer scope global')
output = check_output('ip -4 address show dev veth-peer scope global')
print(output)
self.assertIn('inet 10.0.0.1/8 brd 10.255.255.255 scope global veth-peer', output)
'''
Link Subnet IDs
test1: 0x00
dummy97: 0x01 (The link will appear later)
dummy98: 0x02
dummy99: auto -> 0x03 (No address assignment)
veth97: 0x08
veth98: 0x09
veth99: 0x10
'''
print('### ip -4 address show dev veth99 scope global')
output = check_output('ip -4 address show dev veth99 scope global')
print(output)
self.assertRegex(output, 'inet 10.100.100.[0-9]*/8 (metric 1024 |)brd 10.255.255.255 scope global dynamic veth99')
print('### ip -6 address show dev veth99 scope global')
output = check_output('ip -6 address show dev veth99 scope global')
print(output)
# address in IA_PD (Token=static)
self.assertRegex(output, 'inet6 2001:db8:6464:[0-9a-f]+10:1a:2b:3c:4d/64 (metric 256 |)scope global dynamic mngtmpaddr')
# address in IA_PD (Token=eui64)
self.assertRegex(output, 'inet6 2001:db8:6464:[0-9a-f]+10:1034:56ff:fe78:9abc/64 (metric 256 |)scope global dynamic mngtmpaddr')
# address in IA_PD (temporary)
# Note that the temporary addresses may appear after the link enters configured state
self.wait_address('veth99', 'inet6 2001:db8:6464:[0-9a-f]+10:[0-9a-f]*:[0-9a-f]*:[0-9a-f]*:[0-9a-f]*/64 (metric 256 |)scope global temporary dynamic', ipv='-6')
print('### ip -6 address show dev test1 scope global')
output = check_output('ip -6 address show dev test1 scope global')
print(output)
# address in IA_PD (Token=static)
self.assertRegex(output, 'inet6 2001:db8:6464:[0-9a-f]+00:1a:2b:3c:4d/64 (metric 256 |)scope global dynamic mngtmpaddr')
# address in IA_PD (temporary)
self.wait_address('test1', 'inet6 2001:db8:6464:[0-9a-f]+00:[0-9a-f]*:[0-9a-f]*:[0-9a-f]*:[0-9a-f]*/64 (metric 256 |)scope global temporary dynamic', ipv='-6')
print('### ip -6 address show dev dummy98 scope global')
output = check_output('ip -6 address show dev dummy98 scope global')
print(output)
# address in IA_PD (Token=static)
self.assertRegex(output, 'inet6 2001:db8:6464:[0-9a-f]+02:1a:2b:3c:4d/64 (metric 256 |)scope global dynamic mngtmpaddr')
# address in IA_PD (temporary)
self.wait_address('dummy98', 'inet6 2001:db8:6464:[0-9a-f]+02:[0-9a-f]*:[0-9a-f]*:[0-9a-f]*:[0-9a-f]*/64 (metric 256 |)scope global temporary dynamic', ipv='-6')
print('### ip -6 address show dev dummy99 scope global')
output = check_output('ip -6 address show dev dummy99 scope global')
print(output)
# Assign=no
self.assertNotRegex(output, 'inet6 2001:db8:6464:[0-9a-f]+03')
print('### ip -6 address show dev veth97 scope global')
output = check_output('ip -6 address show dev veth97 scope global')
print(output)
# address in IA_PD (Token=static)
self.assertRegex(output, 'inet6 2001:db8:6464:[0-9a-f]+08:1a:2b:3c:4d/64 (metric 256 |)scope global dynamic mngtmpaddr')
# address in IA_PD (Token=eui64)
self.assertRegex(output, 'inet6 2001:db8:6464:[0-9a-f]+08:1034:56ff:fe78:9ace/64 (metric 256 |)scope global dynamic mngtmpaddr')
# address in IA_PD (temporary)
self.wait_address('veth97', 'inet6 2001:db8:6464:[0-9a-f]+08:[0-9a-f]*:[0-9a-f]*:[0-9a-f]*:[0-9a-f]*/64 (metric 256 |)scope global temporary dynamic', ipv='-6')
print('### ip -6 address show dev veth97-peer scope global')
output = check_output('ip -6 address show dev veth97-peer scope global')
print(output)
# NDisc address (Token=static)
self.assertRegex(output, 'inet6 2001:db8:6464:[0-9a-f]+08:1a:2b:3c:4e/64 (metric 256 |)scope global dynamic mngtmpaddr')
# NDisc address (Token=eui64)
self.assertRegex(output, 'inet6 2001:db8:6464:[0-9a-f]+08:1034:56ff:fe78:9acf/64 (metric 256 |)scope global dynamic mngtmpaddr')
# NDisc address (temporary)
self.wait_address('veth97-peer', 'inet6 2001:db8:6464:[0-9a-f]+08:[0-9a-f]*:[0-9a-f]*:[0-9a-f]*:[0-9a-f]*/64 (metric 256 |)scope global temporary dynamic', ipv='-6')
print('### ip -6 address show dev veth98 scope global')
output = check_output('ip -6 address show dev veth98 scope global')
print(output)
# address in IA_PD (Token=static)
self.assertRegex(output, 'inet6 2001:db8:6464:[0-9a-f]+09:1a:2b:3c:4d/64 (metric 256 |)scope global dynamic mngtmpaddr')
# address in IA_PD (Token=eui64)
self.assertRegex(output, 'inet6 2001:db8:6464:[0-9a-f]+09:1034:56ff:fe78:9abe/64 (metric 256 |)scope global dynamic mngtmpaddr')
# address in IA_PD (temporary)
self.wait_address('veth98', 'inet6 2001:db8:6464:[0-9a-f]+09:[0-9a-f]*:[0-9a-f]*:[0-9a-f]*:[0-9a-f]*/64 (metric 256 |)scope global temporary dynamic', ipv='-6')
print('### ip -6 address show dev veth98-peer scope global')
output = check_output('ip -6 address show dev veth98-peer scope global')
print(output)
# NDisc address (Token=static)
self.assertRegex(output, 'inet6 2001:db8:6464:[0-9a-f]+09:1a:2b:3c:4e/64 (metric 256 |)scope global dynamic mngtmpaddr')
# NDisc address (Token=eui64)
self.assertRegex(output, 'inet6 2001:db8:6464:[0-9a-f]+09:1034:56ff:fe78:9abf/64 (metric 256 |)scope global dynamic mngtmpaddr')
# NDisc address (temporary)
self.wait_address('veth98-peer', 'inet6 2001:db8:6464:[0-9a-f]+09:[0-9a-f]*:[0-9a-f]*:[0-9a-f]*:[0-9a-f]*/64 (metric 256 |)scope global temporary dynamic', ipv='-6')
print('### ip -6 route show type unreachable')
output = check_output('ip -6 route show type unreachable')
print(output)
self.assertRegex(output, 'unreachable 2001:db8:6464:[0-9a-f]+00::/56 dev lo proto dhcp')
print('### ip -6 route show dev veth99')
output = check_output('ip -6 route show dev veth99')
print(output)
self.assertRegex(output, '2001:db8:6464:[0-9a-f]+10::/64 proto kernel metric [0-9]* expires')
print('### ip -6 route show dev test1')
output = check_output('ip -6 route show dev test1')
print(output)
self.assertRegex(output, '2001:db8:6464:[0-9a-f]+00::/64 proto kernel metric [0-9]* expires')
print('### ip -6 route show dev dummy98')
output = check_output('ip -6 route show dev dummy98')
print(output)
self.assertRegex(output, '2001:db8:6464:[0-9a-f]+02::/64 proto kernel metric [0-9]* expires')
print('### ip -6 route show dev dummy99')
output = check_output('ip -6 route show dev dummy99')
print(output)
self.assertRegex(output, '2001:db8:6464:[0-9a-f]+03::/64 proto dhcp metric [0-9]* expires')
print('### ip -6 route show dev veth97')
output = check_output('ip -6 route show dev veth97')
print(output)
self.assertRegex(output, '2001:db8:6464:[0-9a-f]+08::/64 proto kernel metric [0-9]* expires')
print('### ip -6 route show dev veth97-peer')
output = check_output('ip -6 route show dev veth97-peer')
print(output)
self.assertRegex(output, '2001:db8:6464:[0-9a-f]+08::/64 proto ra metric [0-9]* expires')
print('### ip -6 route show dev veth98')
output = check_output('ip -6 route show dev veth98')
print(output)
self.assertRegex(output, '2001:db8:6464:[0-9a-f]+09::/64 proto kernel metric [0-9]* expires')
print('### ip -6 route show dev veth98-peer')
output = check_output('ip -6 route show dev veth98-peer')
print(output)
self.assertRegex(output, '2001:db8:6464:[0-9a-f]+09::/64 proto ra metric [0-9]* expires')
# Test case for a downstream which appears later
check_output('ip link add dummy97 type dummy')
self.wait_online(['dummy97:routable'])
print('### ip -6 address show dev dummy97 scope global')
output = check_output('ip -6 address show dev dummy97 scope global')
print(output)
# address in IA_PD (Token=static)
self.assertRegex(output, 'inet6 2001:db8:6464:[0-9a-f]+01:1a:2b:3c:4d/64 (metric 256 |)scope global dynamic mngtmpaddr')
# address in IA_PD (temporary)
self.wait_address('dummy97', 'inet6 2001:db8:6464:[0-9a-f]+01:[0-9a-f]*:[0-9a-f]*:[0-9a-f]*:[0-9a-f]*/64 (metric 256 |)scope global temporary dynamic', ipv='-6')
print('### ip -6 route show dev dummy97')
output = check_output('ip -6 route show dev dummy97')
print(output)
self.assertRegex(output, '2001:db8:6464:[0-9a-f]+01::/64 proto kernel metric [0-9]* expires')
# Test case for reconfigure
check_output(*networkctl_cmd, 'reconfigure', 'dummy98', 'dummy99', env=env)
self.wait_online(['dummy98:routable'])
print('### ip -6 address show dev dummy98 scope global')
output = check_output('ip -6 address show dev dummy98 scope global')
print(output)
# address in IA_PD (Token=static)
self.assertRegex(output, 'inet6 2001:db8:6464:[0-9a-f]+02:1a:2b:3c:4d/64 (metric 256 |)scope global dynamic mngtmpaddr')
# address in IA_PD (temporary)
self.wait_address('dummy98', 'inet6 2001:db8:6464:[0-9a-f]+02:[0-9a-f]*:[0-9a-f]*:[0-9a-f]*:[0-9a-f]*/64 (metric 256 |)scope global temporary dynamic', ipv='-6')
print('### ip -6 address show dev dummy99 scope global')
output = check_output('ip -6 address show dev dummy99 scope global')
print(output)
# Assign=no
self.assertNotRegex(output, 'inet6 2001:db8:6464:[0-9a-f]+03')
print('### ip -6 route show dev dummy98')
output = check_output('ip -6 route show dev dummy98')
print(output)
self.assertRegex(output, '2001:db8:6464:[0-9a-f]+02::/64 proto kernel metric [0-9]* expires')
print('### ip -6 route show dev dummy99')
output = check_output('ip -6 route show dev dummy99')
print(output)
self.assertRegex(output, '2001:db8:6464:[0-9a-f]+03::/64 proto dhcp metric [0-9]* expires')
tunnel_name = None
for name in os.listdir('/sys/class/net/'):
if name.startswith('6rd-'):
tunnel_name = name
break
self.wait_online(['{}:routable'.format(tunnel_name)])
print('### ip -d link show dev {}'.format(tunnel_name))
output = check_output('ip -d link show dev {}'.format(tunnel_name))
print(output)
self.assertIn('link/sit 10.100.100.', output)
self.assertIn('local 10.100.100.', output)
self.assertIn('dev veth99', output)
self.assertIn('ttl 64', output)
self.assertIn('6rd-prefix 2001:db8::/32', output)
self.assertIn('6rd-relay_prefix 10.0.0.0/8', output)
print('### ip -6 address show dev {}'.format(tunnel_name))
output = check_output('ip -6 address show dev {}'.format(tunnel_name))
print(output)
self.assertRegex(output, 'inet6 2001:db8:6464:[0-9a-f]+00:[0-9a-f]*:[0-9a-f]*:[0-9a-f]*:[0-9a-f]*/56 (metric 256 |)scope global dynamic')
self.assertRegex(output, 'inet6 ::10.100.100.[0-9]+/96 scope global')
print('### ip -6 route show dev {}'.format(tunnel_name))
output = check_output('ip -6 route show dev {}'.format(tunnel_name))
print(output)
self.assertRegex(output, '2001:db8:6464:[0-9a-f]+00::/56 proto kernel metric [0-9]* expires')
self.assertRegex(output, '::/96 proto kernel metric [0-9]*')
print('### ip -6 route show default')
output = check_output('ip -6 route show default')
print(output)
self.assertIn('default', output)
self.assertIn('via ::10.0.0.1 dev {}'.format(tunnel_name), output)
class NetworkdIPv6PrefixTests(unittest.TestCase, Utilities):
links = [
'dummy98',