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| | #! /usr/bin/env python3
# SPDX-License-Identifier: GPL-2.0-or-later
#
# Copyright Red Hat
# Author: David Gibson <david@gibson.dropbear.id.au>
"""
Test A Simple Socket Transport
selftest/veth.py - Test various veth configurations
"""
import contextlib
import ipaddress
import exeter
from tasst import nstool
@contextlib.contextmanager
def unconfigured_veth():
with nstool.unshare_snh('ns1', '-Un') as ns1:
with nstool.unshare_snh('ns2', '-n', parent=ns1, capable=True) as ns2:
ns1.veth('veth1', 'veth2', ns2)
yield (ns1, ns2)
@exeter.test
def test_ifs():
with unconfigured_veth() as (ns1, ns2):
exeter.assert_eq(set(ns1.ifs()), set(['lo', 'veth1']))
exeter.assert_eq(set(ns2.ifs()), set(['lo', 'veth2']))
@exeter.test
def test_mtu():
with unconfigured_veth() as (ns1, ns2):
exeter.assert_eq(ns1.mtu('veth1'), 1500)
exeter.assert_eq(ns2.mtu('veth2'), 1500)
@exeter.test
def test_slaac(dad=None):
TESTMAC = '02:aa:bb:cc:dd:ee'
TESTIP = ipaddress.ip_interface('fe80::aa:bbff:fecc:ddee/64')
with unconfigured_veth() as (ns1, ns2):
ns1.fg('ip', 'link', 'set', 'dev', 'veth1', 'address', f'{TESTMAC}',
capable=True)
ns1.ifup('veth1', dad=dad)
ns2.ifup('veth2')
addrs = ns1.addr_wait('veth1', family='inet6', scope='link')
exeter.assert_eq(addrs, [TESTIP])
@exeter.test
def test_optimistic_dad():
test_slaac(dad='optimistic')
@exeter.test
def test_no_dad():
test_slaac(dad='disable')
|