def _testNics(self):
"""Creates a test fixture so that nics() reports:
physical nics: em, me, me0, me1, hid0 and hideous
dummies: fake and fake0
bonds: jbond (over me0 and me1)"""
return [
ipwrapper.Link(address='f0:de:f1:da:aa:e7',
index=2,
linkType=ipwrapper.LinkType.NIC,
mtu=1500,
name='em',
qdisc='pfifo_fast',
state='up'),
ipwrapper.Link(address='ff:de:f1:da:aa:e7',
index=3,
linkType=ipwrapper.LinkType.NIC,
mtu=1500,
name='me',
qdisc='pfifo_fast',
state='up'),
ipwrapper.Link(address='ff:de:fa:da:aa:e7',
index=4,
linkType=ipwrapper.LinkType.NIC,
mtu=1500,
name='hid0',
qdisc='pfifo_fast',
state='up'),
ipwrapper.Link(address='ff:de:11:da:aa:e7',
index=5,
linkType=ipwrapper.LinkType.NIC,
mtu=1500,
name='hideous',
qdisc='pfifo_fast',
state='up'),
ipwrapper.Link(address='66:de:f1:da:aa:e7',
index=6,
linkType=ipwrapper.LinkType.NIC,
mtu=1500,
name='me0',
qdisc='pfifo_fast',
state='up',
master='jbond'),
ipwrapper.Link(address='66:de:f1:da:aa:e7',
index=7,
linkType=ipwrapper.LinkType.NIC,
mtu=1500,
name='me1',
qdisc='pfifo_fast',
state='up',
master='jbond'),
ipwrapper.Link(address='ff:aa:f1:da:aa:e7',
index=34,
linkType=ipwrapper.LinkType.DUMMY,
mtu=1500,
name='fake0',
qdisc='pfifo_fast',
state='up'),
ipwrapper.Link(address='ff:aa:f1:da:bb:e7',
index=35,
linkType=ipwrapper.LinkType.DUMMY,
mtu=1500,
name='fake',
qdisc='pfifo_fast',
state='up'),
ipwrapper.Link(address='66:de:f1:da:aa:e7',
index=419,
linkType=ipwrapper.LinkType.BOND,
mtu=1500,
name='jbond',
qdisc='pfifo_fast',
state='up')
]
class TestNetinfo(TestCaseBase):
@mock.patch.object(dns, 'open', create=True)
def test_get_host_nameservers(self, mock_open):
RESOLV_CONF = (
'# Generated by NetworkManager\n'
'search example.com company.net\n'
'domain example.com\n'
'nameserver 192.168.0.100\n'
'nameserver 8.8.8.8\n'
'nameserver 8.8.4.4\n'
)
expected_nameservers = ['192.168.0.100', '8.8.8.8', '8.8.4.4']
resolv_conf_stream = six.StringIO(RESOLV_CONF)
mock_open.return_value.__enter__.return_value = resolv_conf_stream
resulted_nameservers = dns.get_host_nameservers()
self.assertEqual(expected_nameservers, resulted_nameservers)
@mock.patch.object(dns, 'open', create=True)
def test_get_host_nameservers_no_resolvconf(self, mock_open):
mock_open.return_value.__enter__.side_effect = IOError()
nameservers = dns.get_host_nameservers()
self.assertEqual(nameservers, [])
def test_netmask_conversions(self):
path = os.path.join(os.path.dirname(__file__), "netmaskconversions")
with open(path) as netmaskFile:
for line in netmaskFile:
if line.startswith('#'):
continue
bitmask, address = [value.strip() for value in line.split()]
self.assertEqual(prefix2netmask(int(bitmask)), address)
self.assertRaises(ValueError, prefix2netmask, -1)
self.assertRaises(ValueError, prefix2netmask, 33)
def test_speed_on_an_iface_that_does_not_support_speed(self):
self.assertEqual(nic.speed('lo'), 0)
def test_speed_in_range(self):
for d in nics.nics():
s = nic.speed(d)
self.assertFalse(s < 0)
self.assertTrue(s in ETHTOOL_SPEEDS or s == 0)
@mock.patch.object(nic, 'iface')
@mock.patch.object(nics.io, 'open')
def test_valid_nic_speed(self, mock_io_open, mock_iface):
IS_UP = True
values = ((b'0', IS_UP, 0),
(b'-10', IS_UP, 0),
(six.b(str(2 ** 16 - 1)), IS_UP, 0),
(six.b(str(2 ** 32 - 1)), IS_UP, 0),
(b'123', IS_UP, 123),
(b'', IS_UP, 0),
(b'', not IS_UP, 0),
(b'123', not IS_UP, 0))
for passed, is_nic_up, expected in values:
mock_io_open.return_value = io.BytesIO(passed)
mock_iface.return_value.is_oper_up.return_value = is_nic_up
self.assertEqual(nic.speed('fake_nic'), expected)
def test_dpdk_device_speed(self):
self.assertEqual(nic.speed('dpdk0'), 0)
def test_dpdk_operstate_always_up(self):
self.assertEqual(nics.operstate('dpdk0'), nics.OPERSTATE_UP)
@mock.patch.object(bonding, 'permanent_address', lambda: {})
@mock.patch('vdsm.network.netinfo.cache.RunningConfig')
def test_get_non_existing_bridge_info(self, mock_runningconfig):
# Getting info of non existing bridge should not raise an exception,
# just log a traceback. If it raises an exception the test will fail as
# it should.
mock_runningconfig.return_value.networks = {'fake': {'bridged': True}}
get()
@mock.patch.object(bonding, 'permanent_address', lambda: {})
@mock.patch('vdsm.network.netinfo.cache.getLinks')
@mock.patch('vdsm.network.netinfo.cache.RunningConfig')
def test_get_empty(self, mock_networks, mock_getLinks):
result = {}
result.update(get())
self.assertEqual(result['networks'], {})
self.assertEqual(result['bridges'], {})
self.assertEqual(result['nics'], {})
self.assertEqual(result['bondings'], {})
self.assertEqual(result['vlans'], {})
def test_ipv4_to_mapped(self):
self.assertEqual('::ffff:127.0.0.1',
addresses.IPv4toMapped('127.0.0.1'))
def test_get_device_by_ip(self):
NL_ADDRESS4 = {'label': 'iface0',
'address': '127.0.0.1/32',
'family': 'inet'}
NL_ADDRESS6 = {'label': 'iface1',
'address': '2001::1:1:1/48',
'family': 'inet6'}
NL_ADDRESSES = [NL_ADDRESS4, NL_ADDRESS6]
with mock.patch.object(addresses.nl_addr, 'iter_addrs',
lambda: NL_ADDRESSES):
for nl_addr in NL_ADDRESSES:
self.assertEqual(
nl_addr['label'],
addresses.getDeviceByIP(nl_addr['address'].split('/')[0]))
@mock.patch.object(ipwrapper.Link, '_hiddenNics', ['hid*'])
@mock.patch.object(ipwrapper.Link, '_hiddenBonds', ['jb*'])
@mock.patch.object(ipwrapper.Link, '_fakeNics', ['fake*'])
@mock.patch.object(ipwrapper.Link, '_detectType', lambda x: None)
@mock.patch.object(ipwrapper, '_bondExists', lambda x: x == 'jbond')
@mock.patch.object(misc, 'getLinks')
def test_nics(self, mock_getLinks):
"""
managed by vdsm: em, me, fake0, fake1
not managed due to hidden bond (jbond) enslavement: me0, me1
not managed due to being hidden nics: hid0, hideous
"""
mock_getLinks.return_value = self._LINKS_REPORT
self.assertEqual(set(nics.nics()), set(['em', 'me', 'fake', 'fake0']))
# Creates a test fixture so that nics() reports:
# physical nics: em, me, me0, me1, hid0 and hideous
# dummies: fake and fake0
# bonds: jbond (over me0 and me1)
_LINKS_REPORT = [
ipwrapper.Link(address='f0:de:f1:da:aa:e7', index=2,
linkType=ipwrapper.LinkType.NIC, mtu=1500,
name='em', qdisc='pfifo_fast', state='up'),
ipwrapper.Link(address='ff:de:f1:da:aa:e7', index=3,
linkType=ipwrapper.LinkType.NIC, mtu=1500,
name='me', qdisc='pfifo_fast', state='up'),
ipwrapper.Link(address='ff:de:fa:da:aa:e7', index=4,
linkType=ipwrapper.LinkType.NIC, mtu=1500,
name='hid0', qdisc='pfifo_fast', state='up'),
ipwrapper.Link(address='ff:de:11:da:aa:e7', index=5,
linkType=ipwrapper.LinkType.NIC, mtu=1500,
name='hideous', qdisc='pfifo_fast', state='up'),
ipwrapper.Link(address='66:de:f1:da:aa:e7', index=6,
linkType=ipwrapper.LinkType.NIC, mtu=1500,
name='me0', qdisc='pfifo_fast', state='up',
master='jbond'),
ipwrapper.Link(address='66:de:f1:da:aa:e7', index=7,
linkType=ipwrapper.LinkType.NIC, mtu=1500,
name='me1', qdisc='pfifo_fast', state='up',
master='jbond'),
ipwrapper.Link(address='ff:aa:f1:da:aa:e7', index=34,
linkType=ipwrapper.LinkType.DUMMY, mtu=1500,
name='fake0', qdisc='pfifo_fast', state='up'),
ipwrapper.Link(address='ff:aa:f1:da:bb:e7', index=35,
linkType=ipwrapper.LinkType.DUMMY, mtu=1500,
name='fake', qdisc='pfifo_fast', state='up'),
ipwrapper.Link(address='66:de:f1:da:aa:e7', index=419,
linkType=ipwrapper.LinkType.BOND, mtu=1500,
name='jbond', qdisc='pfifo_fast', state='up')
]
@attr(type='integration')
@ValidateRunningAsRoot
@mock.patch.object(ipwrapper.Link, '_fakeNics', ['veth_*', 'dummy_*'])
def test_fake_nics(self):
with veth_pair() as (v1a, v1b):
with dummy_device() as d1:
fakes = set([d1, v1a, v1b])
_nics = nics.nics()
self.assertTrue(fakes.issubset(_nics),
'Fake devices %s are not listed in nics '
'%s' % (fakes, _nics))
with veth_pair(prefix='mehv_') as (v2a, v2b):
with dummy_device(prefix='mehd_') as d2:
hiddens = set([d2, v2a, v2b])
_nics = nics.nics()
self.assertFalse(hiddens.intersection(_nics), 'Some of '
'hidden devices %s is shown in nics %s' %
(hiddens, _nics))
@mock.patch.object(misc, 'open', create=True)
def test_get_ifcfg(self, mock_open):
gateway = '1.1.1.1'
netmask = '255.255.0.0'
ifcfg = "GATEWAY0={}\nNETMASK={}\n".format(gateway, netmask)
ifcfg_stream = six.StringIO(ifcfg)
mock_open.return_value.__enter__.return_value = ifcfg_stream
resulted_ifcfg = misc.getIfaceCfg('eth0')
self.assertEqual(resulted_ifcfg['GATEWAY'], gateway)
self.assertEqual(resulted_ifcfg['NETMASK'], netmask)
@mock.patch.object(misc, 'open', create=True)
def test_missing_ifcfg_file(self, mock_open):
mock_open.return_value.__enter__.side_effect = IOError()
ifcfg = misc.getIfaceCfg('eth0')
self.assertEqual(ifcfg, {})
@broken_on_ci('Bond options scanning is fragile on CI',
exception=AssertionError)
@attr(type='integration')
@ValidateRunningAsRoot
@RequireBondingMod
def test_get_bonding_options(self):
INTERVAL = '12345'
bondName = random_iface_name()
with open(BONDING_MASTERS, 'w') as bonds:
bonds.write('+' + bondName)
bonds.flush()
try: # no error is anticipated but let's make sure we can clean up
self.assertEqual(
self._bond_opts_without_mode(bondName), {},
'This test fails when a new bonding option is added to '
'the kernel. Please run vdsm-tool dump-bonding-options` '
'and retest.')
with open(bonding.BONDING_OPT % (bondName, 'miimon'),
'w') as opt:
opt.write(INTERVAL)
self.assertEqual(self._bond_opts_without_mode(bondName),
{'miimon': INTERVAL})
finally:
bonds.write('-' + bondName)
@staticmethod
def _bond_opts_without_mode(bond_name):
opts = Bond(bond_name).options
opts.pop('mode')
return opts
def test_get_gateway(self):
TEST_IFACE = 'test_iface'
# different tables but the gateway is the same so it should be reported
DUPLICATED_GATEWAY = {TEST_IFACE: [
{
'destination': 'none',
'family': 'inet',
'gateway': '12.34.56.1',
'oif': TEST_IFACE,
'oif_index': 8,
'scope': 'global',
'source': None,
'table': 203569230, # lucky us, we got the address 12.34.56.78
}, {
'destination': 'none',
'family': 'inet',
'gateway': '12.34.56.1',
'oif': TEST_IFACE,
'oif_index': 8,
'scope': 'global',
'source': None,
'table': 254,
}]}
SINGLE_GATEWAY = {TEST_IFACE: [DUPLICATED_GATEWAY[TEST_IFACE][0]]}
gateway = routes.get_gateway(SINGLE_GATEWAY, TEST_IFACE)
self.assertEqual(gateway, '12.34.56.1')
gateway = routes.get_gateway(DUPLICATED_GATEWAY, TEST_IFACE)
self.assertEqual(gateway, '12.34.56.1')
@broken_on_ci('IPv6 not supported on travis', name='TRAVIS_CI')
@attr(type='integration')
@ValidateRunningAsRoot
def test_ip_info(self):
IPV4_ADDR1 = '192.168.99.2'
IPV4_GATEWAY1 = '192.168.99.1'
IPV4_ADDR2 = '192.168.199.2'
IPV4_GATEWAY2 = '192.168.199.1'
IPV4_ADDR3 = '192.168.200.2'
IPV4_NETMASK = '255.255.255.0'
IPV4_PREFIX_LENGTH = 24
IPV6_ADDR = '2607:f0d0:1002:51::4'
IPV6_PREFIX_LENGTH = 64
IPV4_ADDR1_CIDR = self._cidr_form(IPV4_ADDR1, IPV4_PREFIX_LENGTH)
IPV4_ADDR2_CIDR = self._cidr_form(IPV4_ADDR2, IPV4_PREFIX_LENGTH)
IPV4_ADDR3_CIDR = self._cidr_form(IPV4_ADDR3, 32)
IPV6_ADDR_CIDR = self._cidr_form(IPV6_ADDR, IPV6_PREFIX_LENGTH)
with dummy_device() as device:
with waitfor.waitfor_ipv4_addr(device, address=IPV4_ADDR1_CIDR):
ipwrapper.addrAdd(device, IPV4_ADDR1, IPV4_PREFIX_LENGTH)
with waitfor.waitfor_ipv4_addr(device, address=IPV4_ADDR2_CIDR):
ipwrapper.addrAdd(device, IPV4_ADDR2, IPV4_PREFIX_LENGTH)
with waitfor.waitfor_ipv6_addr(device, address=IPV6_ADDR_CIDR):
ipwrapper.addrAdd(
device, IPV6_ADDR, IPV6_PREFIX_LENGTH, family=6)
# 32 bit addresses are reported slashless by netlink
with waitfor.waitfor_ipv4_addr(device, address=IPV4_ADDR3):
ipwrapper.addrAdd(device, IPV4_ADDR3, 32)
self.assertEqual(
addresses.getIpInfo(device),
(IPV4_ADDR1, IPV4_NETMASK,
[IPV4_ADDR1_CIDR, IPV4_ADDR2_CIDR, IPV4_ADDR3_CIDR],
[IPV6_ADDR_CIDR]))
self.assertEqual(
addresses.getIpInfo(device, ipv4_gateway=IPV4_GATEWAY1),
(IPV4_ADDR1, IPV4_NETMASK,
[IPV4_ADDR1_CIDR, IPV4_ADDR2_CIDR, IPV4_ADDR3_CIDR],
[IPV6_ADDR_CIDR]))
self.assertEqual(
addresses.getIpInfo(device, ipv4_gateway=IPV4_GATEWAY2),
(IPV4_ADDR2, IPV4_NETMASK,
[IPV4_ADDR1_CIDR, IPV4_ADDR2_CIDR, IPV4_ADDR3_CIDR],
[IPV6_ADDR_CIDR]))
def test_netinfo_ignoring_link_scope_ip(self):
v4_link = {'family': 'inet', 'address': '169.254.0.0/16',
'scope': 'link', 'prefixlen': 16, 'flags': ['permanent']}
v4_global = {'family': 'inet', 'address': '192.0.2.2/24',
'scope': 'global', 'prefixlen': 24,
'flags': ['permanent']}
v6_link = {'family': 'inet6', 'address': 'fe80::5054:ff:fea3:f9f3/64',
'scope': 'link', 'prefixlen': 64, 'flags': ['permanent']}
v6_global = {'family': 'inet6',
'address': 'ee80::5054:ff:fea3:f9f3/64',
'scope': 'global', 'prefixlen': 64,
'flags': ['permanent']}
ipaddrs = {'eth0': (v4_link, v4_global, v6_link, v6_global)}
ipv4addr, ipv4netmask, ipv4addrs, ipv6addrs = \
addresses.getIpInfo('eth0', ipaddrs=ipaddrs)
self.assertEqual(ipv4addrs, ['192.0.2.2/24'])
self.assertEqual(ipv6addrs, ['ee80::5054:ff:fea3:f9f3/64'])
def _cidr_form(self, ip_addr, prefix_length):
return '{}/{}'.format(ip_addr, prefix_length)
def test_parse_bond_options(self):
self.assertEqual(bonding.parse_bond_options('mode=4 custom=foo:bar'),
{'custom': {'foo': 'bar'}, 'mode': '4'})
class TestNetinfo(object):
def test_netmask_conversions(self):
path = os.path.join(os.path.dirname(__file__), "netmaskconversions")
with open(path) as netmaskFile:
for line in netmaskFile:
if line.startswith('#'):
continue
bitmask, address = [value.strip() for value in line.split()]
assert prefix2netmask(int(bitmask)) == address
pytest.raises(ValueError, prefix2netmask, -1)
pytest.raises(ValueError, prefix2netmask, 33)
@mock.patch.object(nic, 'iface')
@mock.patch.object(nics.io, 'open')
def test_valid_nic_speed(self, mock_io_open, mock_iface):
IS_UP = True
values = (
(b'0', IS_UP, 0),
(b'-10', IS_UP, 0),
(six.b(str(2 ** 16 - 1)), IS_UP, 0),
(six.b(str(2 ** 32 - 1)), IS_UP, 0),
(b'123', IS_UP, 123),
(b'', IS_UP, 0),
(b'', not IS_UP, 0),
(b'123', not IS_UP, 0),
)
for passed, is_nic_up, expected in values:
mock_io_open.return_value = io.BytesIO(passed)
mock_iface.return_value.is_oper_up.return_value = is_nic_up
assert nic.speed('fake_nic') == expected
def test_dpdk_device_speed(self):
assert nic.speed('dpdk0') == 0
def test_dpdk_operstate_always_up(self):
assert nics.operstate('dpdk0') == nics.OPERSTATE_UP
@mock.patch.object(bonding, 'permanent_address', lambda: {})
@mock.patch('vdsm.network.netinfo.cache.RunningConfig')
def test_get_non_existing_bridge_info(
self, mock_runningconfig, current_state_mock
):
# Getting info of non existing bridge should not raise an exception,
# just log a traceback. If it raises an exception the test will fail as
# it should.
mock_runningconfig.return_value.networks = {'fake': {'bridged': True}}
get()
@mock.patch.object(bonding, 'permanent_address', lambda: {})
@mock.patch('vdsm.network.netinfo.cache.getLinks')
@mock.patch('vdsm.network.netinfo.cache.RunningConfig')
def test_get_empty(self, mock_networks, mock_getLinks, current_state_mock):
result = {}
result.update(get())
assert result['networks'] == {}
assert result['bridges'] == {}
assert result['nics'] == {}
assert result['bondings'] == {}
assert result['vlans'] == {}
def test_ipv4_to_mapped(self):
assert '::ffff:127.0.0.1' == addresses.IPv4toMapped('127.0.0.1')
def test_get_device_by_ip(self):
NL_ADDRESS4 = {
'label': 'iface0',
'address': '127.0.0.1/32',
'family': 'inet',
}
NL_ADDRESS6 = {
'label': 'iface1',
'address': '2001::1:1:1/48',
'family': 'inet6',
}
NL_ADDRESSES = [NL_ADDRESS4, NL_ADDRESS6]
with mock.patch.object(
addresses.nl_addr, 'iter_addrs', lambda: NL_ADDRESSES
):
for nl_addr in NL_ADDRESSES:
lbl = addresses.getDeviceByIP(nl_addr['address'].split('/')[0])
assert nl_addr['label'] == lbl
@mock.patch.object(ipwrapper.Link, '_hiddenNics', ['hid*'])
@mock.patch.object(ipwrapper.Link, '_hiddenBonds', ['jb*'])
@mock.patch.object(ipwrapper.Link, '_fakeNics', ['fake*'])
@mock.patch.object(ipwrapper.Link, '_detectType', lambda x: None)
@mock.patch.object(ipwrapper, '_bondExists', lambda x: x == 'jbond')
@mock.patch.object(misc, 'getLinks')
def test_nics(self, mock_getLinks):
"""
managed by vdsm: em, me, fake0, fake1
not managed due to hidden bond (jbond) enslavement: me0, me1
not managed due to being hidden nics: hid0, hideous
"""
mock_getLinks.return_value = self._LINKS_REPORT
assert set(nics.nics()) == set(['em', 'me', 'fake', 'fake0'])
# Creates a test fixture so that nics() reports:
# physical nics: em, me, me0, me1, hid0 and hideous
# dummies: fake and fake0
# bonds: jbond (over me0 and me1)
_LINKS_REPORT = [
ipwrapper.Link(
address='f0:de:f1:da:aa:e7',
index=2,
linkType=ipwrapper.LinkType.NIC,
mtu=1500,
name='em',
qdisc='pfifo_fast',
state='up',
),
ipwrapper.Link(
address='ff:de:f1:da:aa:e7',
index=3,
linkType=ipwrapper.LinkType.NIC,
mtu=1500,
name='me',
qdisc='pfifo_fast',
state='up',
),
ipwrapper.Link(
address='ff:de:fa:da:aa:e7',
index=4,
linkType=ipwrapper.LinkType.NIC,
mtu=1500,
name='hid0',
qdisc='pfifo_fast',
state='up',
),
ipwrapper.Link(
address='ff:de:11:da:aa:e7',
index=5,
linkType=ipwrapper.LinkType.NIC,
mtu=1500,
name='hideous',
qdisc='pfifo_fast',
state='up',
),
ipwrapper.Link(
address='66:de:f1:da:aa:e7',
index=6,
linkType=ipwrapper.LinkType.NIC,
mtu=1500,
name='me0',
qdisc='pfifo_fast',
state='up',
master='jbond',
),
ipwrapper.Link(
address='66:de:f1:da:aa:e7',
index=7,
linkType=ipwrapper.LinkType.NIC,
mtu=1500,
name='me1',
qdisc='pfifo_fast',
state='up',
master='jbond',
),
ipwrapper.Link(
address='ff:aa:f1:da:aa:e7',
index=34,
linkType=ipwrapper.LinkType.DUMMY,
mtu=1500,
name='fake0',
qdisc='pfifo_fast',
state='up',
),
ipwrapper.Link(
address='ff:aa:f1:da:bb:e7',
index=35,
linkType=ipwrapper.LinkType.DUMMY,
mtu=1500,
name='fake',
qdisc='pfifo_fast',
state='up',
),
ipwrapper.Link(
address='66:de:f1:da:aa:e7',
index=419,
linkType=ipwrapper.LinkType.BOND,
mtu=1500,
name='jbond',
qdisc='pfifo_fast',
state='up',
),
]
@mock.patch.object(misc, 'open', create=True)
def test_get_ifcfg(self, mock_open):
gateway = '1.1.1.1'
netmask = '255.255.0.0'
ifcfg = "GATEWAY0={}\nNETMASK={}\n".format(gateway, netmask)
ifcfg_stream = six.StringIO(ifcfg)
mock_open.return_value.__enter__.return_value = ifcfg_stream
resulted_ifcfg = misc.getIfaceCfg('eth0')
assert resulted_ifcfg['GATEWAY'] == gateway
assert resulted_ifcfg['NETMASK'] == netmask
@mock.patch.object(misc, 'open', create=True)
def test_missing_ifcfg_file(self, mock_open):
mock_open.return_value.__enter__.side_effect = IOError()
ifcfg = misc.getIfaceCfg('eth0')
assert ifcfg == {}
@staticmethod
def _bond_opts_without_mode(bond_name):
opts = Bond(bond_name).options
opts.pop('mode')
return opts
def test_get_gateway(self):
TEST_IFACE = 'test_iface'
# different tables but the gateway is the same so it should be reported
DUPLICATED_GATEWAY = {
TEST_IFACE: [
{
'destination': 'none',
'family': 'inet',
'gateway': '12.34.56.1',
'oif': TEST_IFACE,
'oif_index': 8,
'scope': 'global',
'source': None,
'table': 203569230, # we got the address 12.34.56.78
},
{
'destination': 'none',
'family': 'inet',
'gateway': '12.34.56.1',
'oif': TEST_IFACE,
'oif_index': 8,
'scope': 'global',
'source': None,
'table': 254,
},
]
}
SINGLE_GATEWAY = {TEST_IFACE: [DUPLICATED_GATEWAY[TEST_IFACE][0]]}
gateway = routes.get_gateway(SINGLE_GATEWAY, TEST_IFACE)
assert gateway == '12.34.56.1'
gateway = routes.get_gateway(DUPLICATED_GATEWAY, TEST_IFACE)
assert gateway == '12.34.56.1'
def test_netinfo_ignoring_link_scope_ip(self):
v4_link = {
'family': 'inet',
'address': '169.254.0.0/16',
'scope': 'link',
'prefixlen': 16,
'flags': ['permanent'],
}
v4_global = {
'family': 'inet',
'address': '192.0.2.2/24',
'scope': 'global',
'prefixlen': 24,
'flags': ['permanent'],
}
v6_link = {
'family': 'inet6',
'address': 'fe80::5054:ff:fea3:f9f3/64',
'scope': 'link',
'prefixlen': 64,
'flags': ['permanent'],
}
v6_global = {
'family': 'inet6',
'address': 'ee80::5054:ff:fea3:f9f3/64',
'scope': 'global',
'prefixlen': 64,
'flags': ['permanent'],
}
ipaddrs = {'eth0': (v4_link, v4_global, v6_link, v6_global)}
ipv4addr, ipv4netmask, ipv4addrs, ipv6addrs = addresses.getIpInfo(
'eth0', ipaddrs=ipaddrs
)
assert ipv4addrs == ['192.0.2.2/24']
assert ipv6addrs == ['ee80::5054:ff:fea3:f9f3/64']
def test_parse_bond_options(self):
expected = {'mode': '4', 'miimon': '100'}
assert expected == bonding.parse_bond_options('mode=4 miimon=100')
class TestNetinfo(TestCaseBase):
def testGetHostNameservers(self):
RESOLV_CONF = (
'# Generated by NetworkManager\n'
'search example.com company.net\n'
'domain example.com\n'
'nameserver 192.168.0.100\n'
'nameserver 8.8.8.8\n'
'nameserver 8.8.4.4\n'
)
nameservers = ['192.168.0.100', '8.8.8.8', '8.8.4.4']
with namedTemporaryDir() as temp_dir:
file_path = os.path.join(temp_dir, 'resolv.conf')
with mock.patch.object(dns, 'DNS_CONF_FILE', file_path):
for content in (RESOLV_CONF, RESOLV_CONF + '\n'):
with open(file_path, 'w') as file_object:
file_object.write(content)
self.assertEqual(dns.get_host_nameservers(), nameservers)
def testNetmaskConversions(self):
path = os.path.join(os.path.dirname(__file__), "netmaskconversions")
with open(path) as netmaskFile:
for line in netmaskFile:
if line.startswith('#'):
continue
bitmask, address = [value.strip() for value in line.split()]
self.assertEqual(addresses.prefix2netmask(int(bitmask)),
address)
self.assertRaises(ValueError, addresses.prefix2netmask, -1)
self.assertRaises(ValueError, addresses.prefix2netmask, 33)
def testSpeedInvalidNic(self):
nicName = '0' * 20 # devices can't have so long names
self.assertEqual(nics.speed(nicName), 0)
def testSpeedInRange(self):
for d in nics.nics():
s = nics.speed(d)
self.assertFalse(s < 0)
self.assertTrue(s in ETHTOOL_SPEEDS or s == 0)
@mock.patch.object(nics, 'operstate')
@mock.patch.object(nics.io, 'open')
def testValidNicSpeed(self, mock_io_open, mock_operstate):
values = ((0, nics.OPERSTATE_UP, 0),
(-10, nics.OPERSTATE_UP, 0),
(2 ** 16 - 1, nics.OPERSTATE_UP, 0),
(2 ** 32 - 1, nics.OPERSTATE_UP, 0),
(123, nics.OPERSTATE_UP, 123),
('', nics.OPERSTATE_UP, 0),
('', 'unknown', 0),
(123, 'unknown', 0))
for passed, operstate, expected in values:
mock_io_open.return_value = io.BytesIO(str(passed))
mock_operstate.return_value = operstate
self.assertEqual(nics.speed('fake_nic'), expected)
@mock.patch('vdsm.network.netinfo.cache.libvirt.networks',
lambda: {'fake': {'bridged': True}})
def testGetNonExistantBridgeInfo(self):
# Getting info of non existing bridge should not raise an exception,
# just log a traceback. If it raises an exception the test will fail as
# it should.
get()
@mock.patch('vdsm.network.netinfo.cache.getLinks')
@mock.patch('vdsm.network.netinfo.cache.libvirt.networks')
def testGetEmpty(self, mock_networks, mock_getLinks):
result = {}
result.update(get())
self.assertEqual(result['networks'], {})
self.assertEqual(result['bridges'], {})
self.assertEqual(result['nics'], {})
self.assertEqual(result['bondings'], {})
self.assertEqual(result['vlans'], {})
def testIPv4toMapped(self):
self.assertEqual('::ffff:127.0.0.1',
addresses.IPv4toMapped('127.0.0.1'))
def testGetDeviceByIP(self):
NL_ADDRESS4 = {'label': 'iface0',
'address': '127.0.0.1/32',
'family': 'inet'}
NL_ADDRESS6 = {'label': 'iface1',
'address': '2001::1:1:1/48',
'family': 'inet6'}
NL_ADDRESSES = [NL_ADDRESS4, NL_ADDRESS6]
with mock.patch.object(addresses.nl_addr, 'iter_addrs',
lambda: NL_ADDRESSES):
for nl_addr in NL_ADDRESSES:
self.assertEqual(
nl_addr['label'],
addresses.getDeviceByIP(nl_addr['address'].split('/')[0]))
@mock.patch.object(ipwrapper.Link, '_hiddenNics', ['hid*'])
@mock.patch.object(ipwrapper.Link, '_hiddenBonds', ['jb*'])
@mock.patch.object(ipwrapper.Link, '_fakeNics', ['fake*'])
@mock.patch.object(ipwrapper.Link, '_detectType', lambda x: None)
@mock.patch.object(ipwrapper, '_bondExists', lambda x: x == 'jbond')
@mock.patch.object(misc, 'getLinks')
def testNics(self, mock_getLinks):
"""
managed by vdsm: em, me, fake0, fake1
not managed due to hidden bond (jbond) enslavement: me0, me1
not managed due to being hidden nics: hid0, hideous
"""
mock_getLinks.return_value = self._LINKS_REPORT
self.assertEqual(set(nics.nics()), set(['em', 'me', 'fake', 'fake0']))
# Creates a test fixture so that nics() reports:
# physical nics: em, me, me0, me1, hid0 and hideous
# dummies: fake and fake0
# bonds: jbond (over me0 and me1)
_LINKS_REPORT = [
ipwrapper.Link(address='f0:de:f1:da:aa:e7', index=2,
linkType=ipwrapper.LinkType.NIC, mtu=1500,
name='em', qdisc='pfifo_fast', state='up'),
ipwrapper.Link(address='ff:de:f1:da:aa:e7', index=3,
linkType=ipwrapper.LinkType.NIC, mtu=1500,
name='me', qdisc='pfifo_fast', state='up'),
ipwrapper.Link(address='ff:de:fa:da:aa:e7', index=4,
linkType=ipwrapper.LinkType.NIC, mtu=1500,
name='hid0', qdisc='pfifo_fast', state='up'),
ipwrapper.Link(address='ff:de:11:da:aa:e7', index=5,
linkType=ipwrapper.LinkType.NIC, mtu=1500,
name='hideous', qdisc='pfifo_fast', state='up'),
ipwrapper.Link(address='66:de:f1:da:aa:e7', index=6,
linkType=ipwrapper.LinkType.NIC, mtu=1500,
name='me0', qdisc='pfifo_fast', state='up',
master='jbond'),
ipwrapper.Link(address='66:de:f1:da:aa:e7', index=7,
linkType=ipwrapper.LinkType.NIC, mtu=1500,
name='me1', qdisc='pfifo_fast', state='up',
master='jbond'),
ipwrapper.Link(address='ff:aa:f1:da:aa:e7', index=34,
linkType=ipwrapper.LinkType.DUMMY, mtu=1500,
name='fake0', qdisc='pfifo_fast', state='up'),
ipwrapper.Link(address='ff:aa:f1:da:bb:e7', index=35,
linkType=ipwrapper.LinkType.DUMMY, mtu=1500,
name='fake', qdisc='pfifo_fast', state='up'),
ipwrapper.Link(address='66:de:f1:da:aa:e7', index=419,
linkType=ipwrapper.LinkType.BOND, mtu=1500,
name='jbond', qdisc='pfifo_fast', state='up')
]
@attr(type='integration')
@ValidateRunningAsRoot
@mock.patch.object(ipwrapper.Link, '_fakeNics', ['veth_*', 'dummy_*'])
def testFakeNics(self):
with veth_pair() as (v1a, v1b):
with dummy_device() as d1:
fakes = set([d1, v1a, v1b])
_nics = nics.nics()
self.assertTrue(fakes.issubset(_nics),
'Fake devices %s are not listed in nics '
'%s' % (fakes, _nics))
with veth_pair(prefix='mehv_') as (v2a, v2b):
with dummy_device(prefix='mehd_') as d2:
hiddens = set([d2, v2a, v2b])
_nics = nics.nics()
self.assertFalse(hiddens.intersection(_nics), 'Some of '
'hidden devices %s is shown in nics %s' %
(hiddens, _nics))
def testGetIfaceCfg(self):
deviceName = "___This_could_never_be_a_device_name___"
ifcfg = ('GATEWAY0=1.1.1.1\n' 'NETMASK=255.255.0.0\n')
with namedTemporaryDir() as tempDir:
ifcfgPrefix = os.path.join(tempDir, 'ifcfg-')
filePath = ifcfgPrefix + deviceName
with mock.patch.object(misc, 'NET_CONF_PREF', ifcfgPrefix):
with open(filePath, 'w') as ifcfgFile:
ifcfgFile.write(ifcfg)
self.assertEqual(
misc.getIfaceCfg(deviceName)['GATEWAY'], '1.1.1.1')
self.assertEqual(
misc.getIfaceCfg(deviceName)['NETMASK'], '255.255.0.0')
@broken_on_ci(exception=AssertionError)
@mock.patch.object(bonding, 'BONDING_DEFAULTS',
bonding.BONDING_DEFAULTS
if os.path.exists(bonding.BONDING_DEFAULTS)
else '../static/usr/share/vdsm/bonding-defaults.json')
@attr(type='integration')
@ValidateRunningAsRoot
@RequireBondingMod
def testGetBondingOptions(self):
INTERVAL = '12345'
bondName = random_iface_name()
with open(bonding.BONDING_MASTERS, 'w') as bonds:
bonds.write('+' + bondName)
bonds.flush()
try: # no error is anticipated but let's make sure we can clean up
self.assertEqual(
self._bond_opts_without_mode(bondName), {},
'This test fails when a new bonding option is added to '
'the kernel. Please run vdsm-tool dump-bonding-options` '
'and retest.')
with open(bonding.BONDING_OPT % (bondName, 'miimon'),
'w') as opt:
opt.write(INTERVAL)
self.assertEqual(self._bond_opts_without_mode(bondName),
{'miimon': INTERVAL})
finally:
bonds.write('-' + bondName)
@staticmethod
def _bond_opts_without_mode(bond_name):
opts = bonding._getBondingOptions(bond_name)
opts.pop('mode')
return opts
@mock.patch.object(bonding, 'BONDING_NAME2NUMERIC_PATH',
bonding.BONDING_NAME2NUMERIC_PATH
if os.path.exists(bonding.BONDING_NAME2NUMERIC_PATH)
else
'../static/usr/share/vdsm/bonding-name2numeric.json')
def test_get_bonding_option_numeric_val_exists(self):
mode_num = bonding.BONDING_MODES_NAME_TO_NUMBER["balance-rr"]
self.assertNotEqual(bonding.get_bonding_option_numeric_val(
mode_num, "ad_select", "stable"),
None)
@mock.patch.object(bonding, 'BONDING_NAME2NUMERIC_PATH',
bonding.BONDING_NAME2NUMERIC_PATH
if os.path.exists(bonding.BONDING_NAME2NUMERIC_PATH)
else
'../static/usr/share/vdsm/bonding-name2numeric.json')
def test_get_bonding_option_numeric_val_does_not_exists(self):
mode_num = bonding.BONDING_MODES_NAME_TO_NUMBER["balance-rr"]
self.assertEqual(bonding.get_bonding_option_numeric_val(
mode_num, "opt_does_not_exist", "none"),
None)
def test_get_gateway(self):
TEST_IFACE = 'test_iface'
# different tables but the gateway is the same so it should be reported
DUPLICATED_GATEWAY = {TEST_IFACE: [
{
'destination': 'none',
'family': 'inet',
'gateway': '12.34.56.1',
'oif': TEST_IFACE,
'oif_index': 8,
'scope': 'global',
'source': None,
'table': 203569230, # lucky us, we got the address 12.34.56.78
}, {
'destination': 'none',
'family': 'inet',
'gateway': '12.34.56.1',
'oif': TEST_IFACE,
'oif_index': 8,
'scope': 'global',
'source': None,
'table': 254,
}]}
SINGLE_GATEWAY = {TEST_IFACE: [DUPLICATED_GATEWAY[TEST_IFACE][0]]}
gateway = routes.get_gateway(SINGLE_GATEWAY, TEST_IFACE)
self.assertEqual(gateway, '12.34.56.1')
gateway = routes.get_gateway(DUPLICATED_GATEWAY, TEST_IFACE)
self.assertEqual(gateway, '12.34.56.1')
@attr(type='integration')
@ValidateRunningAsRoot
def test_ip_info(self):
def get_ip_info(*a, **kw):
"""filter away ipv6 link local addresses that may or may not exist
on the device depending on OS configuration"""
ipv4addr, ipv4netmask, ipv4addrs, ipv6addrs = \
addresses.getIpInfo(*a, **kw)
return ipv4addr, ipv4netmask, ipv4addrs, ipv6addrs
IP_ADDR = '192.0.2.2'
IP_ADDR_SECOND = '192.0.2.3'
IP_ADDR_GW = '192.0.2.1'
IP_ADDR2 = '198.51.100.9'
IP_ADDR3 = '198.51.100.11'
IP_ADDR2_GW = '198.51.100.1'
IPV6_ADDR = '2607:f0d0:1002:51::4'
NET_MASK = '255.255.255.0'
PREFIX_LENGTH = 24
IPV6_PREFIX_LENGTH = 64
IP_ADDR_CIDR = self._cidr_form(IP_ADDR, PREFIX_LENGTH)
IP_ADDR_2ND_CIDR = self._cidr_form(IP_ADDR_SECOND, PREFIX_LENGTH)
IP_ADDR2_CIDR = self._cidr_form(IP_ADDR2, PREFIX_LENGTH)
IP_ADDR3_CIDR = self._cidr_form(IP_ADDR3, 32)
IPV6_ADDR_CIDR = self._cidr_form(IPV6_ADDR, IPV6_PREFIX_LENGTH)
with dummy_device() as device:
with waitfor.waitfor_ipv4_addr(device, address=IP_ADDR_CIDR):
ipwrapper.addrAdd(device, IP_ADDR, PREFIX_LENGTH)
with waitfor.waitfor_ipv4_addr(device, address=IP_ADDR_2ND_CIDR):
ipwrapper.addrAdd(device, IP_ADDR_SECOND, PREFIX_LENGTH)
with waitfor.waitfor_ipv4_addr(device, address=IP_ADDR2_CIDR):
ipwrapper.addrAdd(device, IP_ADDR2, PREFIX_LENGTH)
with waitfor.waitfor_ipv6_addr(device, address=IPV6_ADDR_CIDR):
ipwrapper.addrAdd(
device, IPV6_ADDR, IPV6_PREFIX_LENGTH, family=6)
# 32 bit addresses are reported slashless by netlink
with waitfor.waitfor_ipv4_addr(device, address=IP_ADDR3):
ipwrapper.addrAdd(device, IP_ADDR3, 32)
self.assertEqual(
get_ip_info(device),
(IP_ADDR, NET_MASK,
[IP_ADDR_CIDR, IP_ADDR2_CIDR, IP_ADDR3_CIDR,
IP_ADDR_2ND_CIDR],
[IPV6_ADDR_CIDR]))
self.assertEqual(
get_ip_info(device, ipv4_gateway=IP_ADDR_GW),
(IP_ADDR, NET_MASK,
[IP_ADDR_CIDR, IP_ADDR2_CIDR, IP_ADDR3_CIDR,
IP_ADDR_2ND_CIDR],
[IPV6_ADDR_CIDR]))
self.assertEqual(
get_ip_info(device, ipv4_gateway=IP_ADDR2_GW),
(IP_ADDR2, NET_MASK,
[IP_ADDR_CIDR, IP_ADDR2_CIDR, IP_ADDR3_CIDR,
IP_ADDR_2ND_CIDR],
[IPV6_ADDR_CIDR]))
def test_netinfo_ignoring_link_scope_ip(self):
v4_link = {'family': 'inet', 'address': '169.254.0.0/16',
'scope': 'link', 'prefixlen': 16, 'flags': ['permanent']}
v4_global = {'family': 'inet', 'address': '192.0.2.2/24',
'scope': 'global', 'prefixlen': 24,
'flags': ['permanent']}
v6_link = {'family': 'inet6', 'address': 'fe80::5054:ff:fea3:f9f3/64',
'scope': 'link', 'prefixlen': 64, 'flags': ['permanent']}
v6_global = {'family': 'inet6',
'address': 'ee80::5054:ff:fea3:f9f3/64',
'scope': 'global', 'prefixlen': 64,
'flags': ['permanent']}
ipaddrs = {'eth0': (v4_link, v4_global, v6_link, v6_global)}
ipv4addr, ipv4netmask, ipv4addrs, ipv6addrs = \
addresses.getIpInfo('eth0', ipaddrs=ipaddrs)
self.assertEqual(ipv4addrs, ['192.0.2.2/24'])
self.assertEqual(ipv6addrs, ['ee80::5054:ff:fea3:f9f3/64'])
def _cidr_form(self, ip_addr, prefix_length):
return '{}/{}'.format(ip_addr, prefix_length)
def test_parse_bond_options(self):
self.assertEqual(bonding.parse_bond_options('mode=4 custom=foo:bar'),
{'custom': {'foo': 'bar'}, 'mode': '4'})
