1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
| | #! /usr/bin/python3
# SPDX-License-Identifier: GPL-2.0-or-later
#
# tasst - Test A Simple Socket Transport
# library of test helpers for passt & pasta
#
# tasst/metatest/veth - Test the veth creation helper
#
# These test code from tasst.site, but require additional support from
# tasst.nstool.
#
# Copyright Red Hat
# Author: David Gibson <david@gibson.dropbear.id.au>
import contextlib
import ipaddress
import avocado
from tasst import Tasst
from tasst.site import REAL_HOST
from tasst.nstool import UnshareSite
class VethTasst(Tasst):
"""
Test helpers for creating veths between namespaces
:avocado: tags=meta
"""
@contextlib.contextmanager
def setup_veth(self):
with UnshareSite(type(self).__name__ + '.1', '-Un') as ns1:
with UnshareSite(type(self).__name__ + '.2', '-n',
parent=ns1, sudo=True) as ns2:
ns1.veth('veth1', 'veth2', ns2)
yield (ns1, ns2)
def test_ifs(self):
with self.setup_veth() as (ns1, ns2):
self.assertCountEqual(ns1.ifs(), ['lo', 'veth1'])
self.assertCountEqual(ns2.ifs(), ['lo', 'veth2'])
def test_mtu(self):
with self.setup_veth() as (ns1, ns2):
self.assertEquals(ns1.mtu('veth1'), 1500)
self.assertEquals(ns2.mtu('veth2'), 1500)
def test_slaac(self, dad=None):
TESTMAC = '02:aa:bb:cc:dd:ee'
TESTIP = ipaddress.ip_interface('fe80::aa:bbff:fecc:ddee/64')
with self.setup_veth() as (ns1, ns2):
ns1.fg('ip link set dev veth1 address {}'.format(TESTMAC), sudo=True)
ns1.ifup('veth1', dad=dad)
ns2.ifup('veth2')
addrs = ns1.addr_wait('veth1', family='inet6', scope='link')
self.assertEqual(addrs, [TESTIP])
def test_optimistic_dad(self):
self.test_slaac(dad='optimistic')
def test_no_dad(self):
self.test_slaac(dad='disable')
|