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| | #! /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
from tasst.transfer import BaseTransferTasst, MetaTcpUploadTasst, MetaUdpTransferTasst, TransferTasstInfo
from tasst.address import IpiAllocator
class BaseVethTasst(Tasst):
@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)
class VethTasst(BaseVethTasst):
"""
Test helpers for creating veths between namespaces
:avocado: tags=meta
"""
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')
class VethTransferTasst(BaseVethTasst, MetaTcpUploadTasst, MetaUdpTransferTasst):
"""
Test basic transfers over veth
:avocado: tags=meta
"""
@contextlib.contextmanager
def setup_transfer(self):
with self.setup_veth() as (ns1, ns2):
ipa = IpiAllocator()
ns1_ip4, ns1_ip6 = ipa.next_ipis()
ns1.ifup('lo')
ns1.ifup('veth1', ns1_ip4, ns1_ip6, dad='disable')
ns2_ip4, ns2_ip6 = ipa.next_ipis()
ns2.ifup('lo')
ns2.ifup('veth2', ns2_ip4, ns2_ip6, dad='disable')
yield TransferTasstInfo('test/small.bin', ns1, ns2,
ns2_ip4.ip, ns2_ip6.ip, 10000)
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