def dynamic_ipv6_iface():
if running_on_ovirt_ci():
pytest.skip('Using dnsmasq for ipv6 RA is unstable on CI')
with veth_pair() as (server, client):
ipwrapper.addrAdd(server, IPV6_ADDR1, IPV6_PREFIX_LENGTH, family=6)
ipwrapper.linkSet(server, ['up'])
with dnsmasq_run(server, ipv6_slaac_prefix=IPV6_NET_ADDR):
with wait_for_ipv6(client):
ipwrapper.linkSet(client, ['up'])
yield client
def dynamic_ipv6_iface():
if running_on_ovirt_ci():
pytest.skip('Using dnsmasq for ipv6 RA is unstable on CI')
with veth_pair() as (server, client):
with wait_for_ipv6(server, IPV6_ADDR1, IPV6_PREFIX_LENGTH):
Interface.from_existing_dev_name(server).add_ip(
IPV6_ADDR1, IPV6_PREFIX_LENGTH, IpFamily.IPv6)
client_interface = Interface.from_existing_dev_name(client)
client_interface.down()
with dnsmasq_run(server, ipv6_slaac_prefix=IPV6_NET_ADDR):
with wait_for_ipv6(client):
client_interface.up()
yield client
class TestNetinfo(object):
def test_speed_on_an_iface_that_does_not_support_speed(self):
assert nic.speed('lo') == 0
def test_speed_in_range(self):
for d in nics.nics():
s = nic.speed(d)
assert not s < 0
assert s in ETHTOOL_SPEEDS or s == 0
@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()
errmsg = 'Fake devices {} are not listed in nics {}'
assert fakes.issubset(_nics), errmsg.format(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()
errmsg = 'Some of hidden devices {} is shown in nics {}'
assert not hiddens.intersection(_nics), errmsg.format(
hiddens, _nics)
@pytest.mark.xfail(
condition=running_on_ovirt_ci(),
raises=AssertionError,
reason='Bond options scanning is fragile on CI',
strict=False,
)
def test_get_bonding_options(self, bond_module):
INTERVAL = '12345'
bond_name = random_iface_name()
if not bond_module:
pytest.skip('Bonding is not available')
with open(BONDING_MASTERS, 'w') as bonds:
bonds.write('+' + bond_name)
bonds.flush()
try: # no error is anticipated but let's make sure we can clean up
assert self._bond_opts_without_mode(bond_name) == {}, (
'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 % (bond_name, 'miimon'),
'w') as opt:
opt.write(INTERVAL)
assert self._bond_opts_without_mode(bond_name) == {
'miimon': INTERVAL
}
finally:
bonds.write('-' + bond_name)
@staticmethod
def _bond_opts_without_mode(bond_name):
opts = Bond(bond_name).options
opts.pop('mode')
return opts
@ipv6_broken_on_travis_ci
def test_ip_info(self, nic0):
nic0_interface = Interface.from_existing_dev_name(nic0)
with waitfor.waitfor_ipv4_addr(nic0, address=IPV4_ADDR1_CIDR):
nic0_interface.add_ip(IPV4_ADDR1, IPV4_PREFIX_LENGTH,
IpFamily.IPv4)
with waitfor.waitfor_ipv4_addr(nic0, address=IPV4_ADDR2_CIDR):
nic0_interface.add_ip(IPV4_ADDR2, IPV4_PREFIX_LENGTH,
IpFamily.IPv4)
with waitfor.waitfor_ipv6_addr(nic0, address=IPV6_ADDR_CIDR):
nic0_interface.add_ip(IPV6_ADDR, IPV6_PREFIX_LENGTH, IpFamily.IPv6)
# 32 bit addresses are reported slashless by netlink
with waitfor.waitfor_ipv4_addr(nic0, address=IPV4_ADDR3):
nic0_interface.add_ip(IPV4_ADDR3, 32, IpFamily.IPv4)
assert addresses.getIpInfo(nic0) == (
IPV4_ADDR1,
IPV4_NETMASK,
[IPV4_ADDR1_CIDR, IPV4_ADDR2_CIDR, IPV4_ADDR3_CIDR],
[IPV6_ADDR_CIDR],
)
assert addresses.getIpInfo(nic0, ipv4_gateway=IPV4_GATEWAY1) == (
IPV4_ADDR1,
IPV4_NETMASK,
[IPV4_ADDR1_CIDR, IPV4_ADDR2_CIDR, IPV4_ADDR3_CIDR],
[IPV6_ADDR_CIDR],
)
assert addresses.getIpInfo(nic0, ipv4_gateway=IPV4_GATEWAY2) == (
IPV4_ADDR2,
IPV4_NETMASK,
[IPV4_ADDR1_CIDR, IPV4_ADDR2_CIDR, IPV4_ADDR3_CIDR],
[IPV6_ADDR_CIDR],
)
@pytest.mark.parametrize(
"ip_addr, ip_netmask",
[
pytest.param(IPV4_ADDR1, IPV4_NETMASK, id="IPV4"),
pytest.param(
IPV6_ADDR,
IPV6_PREFIX_LENGTH,
id="IPV6",
marks=ipv6_broken_on_travis_ci,
),
],
)
def test_routes_device_to(self, ip_addr, ip_netmask, nic0):
addr_in_net = ipaddress.ip_address(ip_addr) + 1
ip_version = addr_in_net.version
Interface.from_existing_dev_name(nic0).add_ip(ip_addr,
ip_netmask,
family=ip_version)
assert routes.getRouteDeviceTo(str(addr_in_net)) == nic0
class TestNetlinkEventMonitor(object):
TIMEOUT = 5
def test_iterate_after_events(self):
with monitor.object_monitor(timeout=self.TIMEOUT) as mon:
dummy = Dummy()
dummy_name = dummy.create()
dummy.remove()
for event in mon:
if event.get('name') == dummy_name:
break
def test_iterate_while_events(self):
"""Tests if monitor is able to catch event while iterating. Before the
iteration we start _set_and_remove_device, which is delayed for .2
seconds. Then iteration starts and wait for new dummy.
"""
dummy = Dummy()
dummy_name = dummy.create()
def _set_and_remove_device():
time.sleep(0.2)
dummy.up()
dummy.remove()
with monitor.object_monitor(timeout=self.TIMEOUT) as mon:
add_device_thread = _start_thread(_set_and_remove_device)
for event in mon:
if event.get('name') == dummy_name:
break
add_device_thread.join()
def test_stopped(self):
with monitor.object_monitor(timeout=self.TIMEOUT) as mon:
dummy = Dummy()
dummy_name = dummy.create()
dummy.remove()
found = any(event.get('name') == dummy_name for event in mon)
assert found, 'Expected event was not caught.'
def test_event_groups(self):
with monitor.object_monitor(timeout=self.TIMEOUT,
groups=('ipv4-ifaddr', )) as mon_a:
with monitor.object_monitor(timeout=self.TIMEOUT,
groups=('link',
'ipv4-route')) as mon_l_r:
dummy = Dummy()
dummy.create()
dummy.set_ip(IP_ADDRESS, IP_CIDR)
dummy.up()
dummy.remove()
for event in mon_a:
assert '_addr' in event['event'], ("Caught event '%s' is not "
"related to address." %
event['event'])
for event in mon_l_r:
link_or_route = ('_link' in event['event']
or '_route' in event['event'])
assert link_or_route, ("Caught event '%s' is not related "
"to link or route." % event['event'])
def test_iteration(self):
with monitor.object_monitor(timeout=self.TIMEOUT) as mon:
iterator = iter(mon)
# Generate events to avoid blocking
dummy = Dummy()
dummy.create()
next(iterator)
dummy.remove()
next(iterator)
with pytest.raises(StopIteration):
while True:
next(iterator)
@pytest.mark.xfail(
condition=running_on_ovirt_ci(),
raises=AssertionError,
reason='Sometimes we miss some events on CI',
strict=False,
)
def test_events_keys(self):
def _simplify_event(event):
""" Strips event keys except event, address, name, destination,
family.
"""
allow = set(['event', 'address', 'name', 'destination', 'family'])
return {k: v for (k, v) in event.items() if k in allow}
def _expected_events(nic, address, cidr):
events_add = [
{
'event': 'new_link',
'name': nic
},
{
'event': 'new_addr',
'address': address + '/' + cidr
},
{
'event': 'new_link',
'name': nic
},
]
events_del = [
{
'address': address + '/' + cidr,
'event': 'del_addr'
},
{
'destination': address,
'event': 'del_route'
},
{
'event': 'del_link',
'name': nic
},
]
events_ipv6 = [
{
'event': 'new_addr',
'family': 'inet6'
},
{
'event': 'del_addr',
'family': 'inet6'
},
]
if is_disabled_ipv6():
return deque(events_add + events_del)
else:
return deque(events_add + events_ipv6 + events_del)
with monitor.object_monitor(timeout=self.TIMEOUT,
silent_timeout=True) as mon:
dummy = Dummy()
dummy_name = dummy.create()
dummy.set_ip(IP_ADDRESS, IP_CIDR)
dummy.up()
dummy.remove()
expected_events = _expected_events(dummy_name, IP_ADDRESS, IP_CIDR)
_expected = list(expected_events)
_caught = []
expected = expected_events.popleft()
for event in mon:
_caught.append(event)
if _is_subdict(expected, event):
expected = expected_events.popleft()
if len(expected_events) == 0:
break
assert 0 == len(expected_events), (
'Expected events have not '
'been caught (in the right order).\n'
'Expected:\n%s.\nCaught:\n%s.' % (
'\n'.join([str(d) for d in _expected]),
'\n'.join([str(_simplify_event(d)) for d in _caught]),
), )
def test_timeout(self):
with pytest.raises(monitor.MonitorError):
try:
with monitor.object_monitor(timeout=0.01) as mon:
for event in mon:
pass
except monitor.MonitorError as e:
assert e.args[0] == monitor.E_TIMEOUT
raise
assert mon.is_stopped()
def test_timeout_silent(self):
with monitor.object_monitor(timeout=0.01, silent_timeout=True) as mon:
for event in mon:
pass
assert mon.is_stopped()
def test_timeout_not_triggered(self):
time_start = monotonic_time()
with monitor.object_monitor(timeout=self.TIMEOUT) as mon:
dummy = Dummy()
dummy.create()
dummy.remove()
for event in mon:
break
assert (monotonic_time() - time_start) <= self.TIMEOUT
assert mon.is_stopped()
def test_passing_invalid_groups(self):
with pytest.raises(AttributeError):
monitor.object_monitor(groups=('blablabla', ))
monitor.object_monitor(groups=('link', ))
def test_ifla_event(self, bond):
slaves = iter(bond.slaves)
bond.set_options({'mode': '1'})
bond.up()
bond.set_options({'active_slave': next(slaves)})
with monitor.ifla_monitor(timeout=self.TIMEOUT,
groups=('link', )) as mon:
bond.set_options({'active_slave': next(slaves)})
for event in mon:
if event.get('IFLA_EVENT') == 'IFLA_EVENT_BONDING_FAILOVER':
break
class TestReuseBond(object):
def test_detach_used_bond_from_bridge(self, adapter, switch, nic0):
NETCREATE = {
NETWORK1_NAME: {
'bonding': BOND_NAME,
'switch': switch
},
NETWORK2_NAME: {
'bonding': BOND_NAME,
'vlan': VLAN2,
'switch': switch,
},
}
BONDCREATE = {BOND_NAME: {'nics': [nic0], 'switch': switch}}
with adapter.setupNetworks(NETCREATE, BONDCREATE, NOCHK):
NETEDIT = {
NETWORK1_NAME: {
'bonding': BOND_NAME,
'vlan': VLAN1,
'switch': switch,
}
}
adapter.setupNetworks(NETEDIT, {}, NOCHK)
adapter.assertBond(BOND_NAME, BONDCREATE[BOND_NAME])
@nftestlib.parametrize_bridged
def test_add_vlaned_network_on_existing_bond(self, adapter, switch,
bridged, nic0):
NETBASE = {
NETWORK1_NAME: {
'bonding': BOND_NAME,
'bridged': False,
'switch': switch,
}
}
BONDBASE = {BOND_NAME: {'nics': [nic0], 'switch': switch}}
with adapter.setupNetworks(NETBASE, BONDBASE, NOCHK):
with nftestlib.monitor_stable_link_state(BOND_NAME):
NETVLAN = {
NETWORK2_NAME: {
'bonding': BOND_NAME,
'bridged': bridged,
'vlan': VLAN1,
'switch': switch,
}
}
with adapter.setupNetworks(NETVLAN, {}, NOCHK):
adapter.assertNetwork(NETWORK1_NAME,
NETBASE[NETWORK1_NAME])
adapter.assertNetwork(NETWORK2_NAME,
NETVLAN[NETWORK2_NAME])
@pytest.mark.xfail(
reason='Unstable on oVirt CI',
strict=False,
condition=running_on_ovirt_ci(),
)
def test_add_net_on_existing_external_bond_preserving_mac(
self, adapter, switch, nic0, nic1):
bond = bond_without_remove(slaves=[nic0, nic1])
Interface.from_existing_dev_name(bond).set_mac_address(HWADDRESS)
NETBASE = {
NETWORK1_NAME: {
'bonding': bond,
'bridged': False,
'switch': switch,
}
}
with adapter.setupNetworks(NETBASE, {}, NOCHK):
adapter.assertNetwork(NETWORK1_NAME, NETBASE[NETWORK1_NAME])
adapter.assertBond(
bond,
{
'nics': [nic0, nic1],
'hwaddr': HWADDRESS,
'switch': switch
},
)
adapter.setupNetworks({}, {bond: {'remove': True}}, NOCHK)
IPv6_CIDR = '64'
IPv4_NETMASK = '255.255.255.0'
IPv6_ADDRESS_AND_PREFIX_LEN = IPv6_ADDRESS2 + '/' + IPv6_CIDR
DHCPv4_RANGE_FROM = '192.0.3.2'
DHCPv4_RANGE_TO = '192.0.3.253'
DHCPv6_RANGE_FROM = 'fdb3:84e5:4ff4:55e3::a'
DHCPv6_RANGE_TO = 'fdb3:84e5:4ff4:55e3::64'
IPv4_DNS = ['1.1.1.1', '2.2.2.2']
unstable_dhcpv6_on_ovirt_ci = pytest.mark.xfail(
reason='Unstable DHCPv6 response on oVirt CI',
raises=nftestlib.MissingDynamicIPv6Address,
strict=False,
condition=running_on_ovirt_ci(),
)
class NetworkIPConfig(object):
def __init__(
self,
name,
ipv4_address=None,
ipv4_prefix_length=None,
ipv6_address=None,
ipv6_prefix_length=None,
):
self.name = name
self.ipv4_address = ipv4_address
self.ipv4_prefix_length = ipv4_prefix_length
class TestConfigureOutbound(object):
# TODO:
# test remove_outbound
def test_single_non_vlan(self, dummy):
qos.configure_outbound(HOST_QOS_OUTBOUND, dummy, None)
tc_entities = self._analyse_qos_and_general_assertions(dummy)
tc_classes, tc_filters, tc_qdiscs = tc_entities
assert tc_classes.classes == []
assert len(tc_qdiscs.leaf_qdiscs) == 1
assert self._non_vlan_qdisc(tc_qdiscs.leaf_qdiscs) is not None
self._assert_parent(tc_qdiscs.leaf_qdiscs, tc_classes.default_class)
assert len(tc_filters.tagged_filters) == 0
@pytest.mark.xfail(
condition=running_on_ovirt_ci() or running_on_travis_ci(),
reason='does not work on CI with nmstate',
strict=False,
)
@pytest.mark.parametrize('repeating_calls', [1, 2])
@mock.patch('vdsm.network.netinfo.bonding.permanent_address', lambda: {})
def test_single_vlan(self, dummy, vlan16, repeating_calls):
for _ in range(repeating_calls):
qos.configure_outbound(HOST_QOS_OUTBOUND, dummy, VLAN16_TAG)
tc_entities = self._analyse_qos_and_general_assertions(dummy)
tc_classes, tc_filters, tc_qdiscs = tc_entities
assert len(tc_classes.classes) == 1
assert len(tc_qdiscs.leaf_qdiscs) == 2
vlan_qdisc = self._vlan_qdisc(tc_qdiscs.leaf_qdiscs, VLAN16_TAG)
vlan_class = self._vlan_class(tc_classes.classes, VLAN16_TAG)
self._assert_parent([vlan_qdisc], vlan_class)
tag_filters = tc_filters.tagged_filters
assert len(tag_filters) == 1
assert int(tag_filters[0]['basic']['value']) == VLAN16_TAG
@pytest.mark.xfail(
condition=running_on_ovirt_ci() or running_on_travis_ci(),
reason='does not work on CI with nmstate',
strict=False,
)
@mock.patch('vdsm.network.netinfo.bonding.permanent_address', lambda: {})
def test_multiple_vlans(self, dummy, vlan16, vlan17):
for vlan_tag in (VLAN16_TAG, VLAN17_TAG):
qos.configure_outbound(HOST_QOS_OUTBOUND, dummy, vlan_tag)
tc_entities = self._analyse_qos_and_general_assertions(dummy)
tc_classes, tc_filters, tc_qdiscs = tc_entities
assert len(tc_classes.classes) == 2
assert len(tc_qdiscs.leaf_qdiscs) == 3
v1_qdisc = self._vlan_qdisc(tc_qdiscs.leaf_qdiscs, VLAN16_TAG)
v2_qdisc = self._vlan_qdisc(tc_qdiscs.leaf_qdiscs, VLAN17_TAG)
v1_class = self._vlan_class(tc_classes.classes, VLAN16_TAG)
v2_class = self._vlan_class(tc_classes.classes, VLAN17_TAG)
self._assert_parent([v1_qdisc], v1_class)
self._assert_parent([v2_qdisc], v2_class)
assert len(tc_filters.tagged_filters) == 2
current_tagged_filters_flow_id = set(
f['basic']['flowid'] for f in tc_filters.tagged_filters)
expected_flow_ids = set('%s%x' % (qos._ROOT_QDISC_HANDLE, vlan_tag)
for vlan_tag in (VLAN16_TAG, VLAN17_TAG))
assert current_tagged_filters_flow_id == expected_flow_ids
@requires_iperf3
@pytest.mark.xfail(reason='Not maintained stress test', run=False)
def test_iperf_upper_limit(self, requires_tc):
# Upper limit is not an accurate measure. This is because it converges
# over time and depends on current machine hardware (CPU).
# Hence, it is hard to make hard assertions on it. The test should run
# at least 60 seconds (the longer the better) and the user should
# inspect the computed average rate and optionally the additional
# traffic data that was collected in client.out in order to be
# convinced QOS is working properly.
limit_kbps = 1000 # 1 Mbps (in kbps)
server_ip = '192.0.2.1'
client_ip = '192.0.2.10'
qos_out = {'ul': {'m2': limit_kbps}, 'ls': {'m2': limit_kbps}}
# using a network namespace is essential since otherwise the kernel
# short-circuits the traffic and bypasses the veth devices and the
# classfull qdisc.
with network_namespace(
'server_ns') as ns, bridge_device() as bridge, veth_pair() as (
server_peer,
server_dev,
), veth_pair() as (
client_dev,
client_peer,
):
# iperf server and its veth peer lie in a separate network
# namespace
link_set_netns(server_dev, ns)
bridge.add_port(server_peer)
bridge.add_port(client_peer)
netns_exec(ns, ['ip', 'link', 'set', 'dev', server_dev, 'up'])
Interface.from_existing_dev_name(client_dev).add_ip(
client_ip, 24, IpFamily.IPv4)
netns_exec(
ns,
[
'ip',
'-4',
'addr',
'add',
'dev',
server_dev,
'%s/24' % server_ip,
],
)
qos.configure_outbound(qos_out, client_peer, None)
with running(IperfServer(server_ip, network_ns=ns)):
client = IperfClient(server_ip, client_ip, test_time=60)
client.start()
max_rate = max([
float(interval['streams'][0]['bits_per_second']) // (2**10)
for interval in client.out['intervals']
])
assert 0 < max_rate < limit_kbps * 1.5
def _analyse_qos_and_general_assertions(self, device_name):
tc_classes = self._analyse_classes(device_name)
tc_qdiscs = self._analyse_qdiscs(device_name)
tc_filters = self._analyse_filters(device_name)
self._assertions_on_classes(tc_classes.classes,
tc_classes.default_class,
tc_classes.root_class)
self._assertions_on_qdiscs(tc_qdiscs.ingress_qdisc,
tc_qdiscs.root_qdisc)
self._assertions_on_filters(tc_filters.untagged_filters,
tc_filters.tagged_filters)
return tc_classes, tc_filters, tc_qdiscs
def _analyse_classes(self, device_name):
all_classes = list(tc.classes(device_name))
root_class = self._root_class(all_classes)
default_class = self._default_class(all_classes)
all_classes.remove(root_class)
all_classes.remove(default_class)
return TcClasses(all_classes, default_class, root_class)
def _analyse_qdiscs(self, device_name):
all_qdiscs = list(tc.qdiscs(device_name))
ingress_qdisc = self._ingress_qdisc(all_qdiscs)
root_qdisc = self._root_qdisc(all_qdiscs)
leaf_qdiscs = self._leaf_qdiscs(all_qdiscs)
assert len(leaf_qdiscs) + 2 == len(all_qdiscs)
return TcQdiscs(leaf_qdiscs, ingress_qdisc, root_qdisc)
def _analyse_filters(self, device_name):
filters = list(tc._filters(device_name))
untagged_filters = self._untagged_filters(filters)
tagged_filters = self._tagged_filters(filters)
return TcFilters(untagged_filters, tagged_filters)
def _assertions_on_classes(self, all_classes, default_class, root_class):
assert all(
cls.get('kind') == qos._SHAPING_QDISC_KIND
for cls in all_classes), str(all_classes)
self._assertions_on_root_class(root_class)
self._assertions_on_default_class(default_class)
if not all_classes: # only a default class
self._assert_upper_limit(default_class)
else:
for cls in all_classes:
self._assert_upper_limit(cls)
def _assertions_on_qdiscs(self, ingress_qdisc, root_qdisc):
assert root_qdisc['kind'] == qos._SHAPING_QDISC_KIND
self._assert_root_handle(root_qdisc)
assert ingress_qdisc['handle'] == tc.QDISC_INGRESS
def _assertions_on_filters(self, untagged_filters, tagged_filters):
assert all(f['protocol'] == 'all' for f in tagged_filters)
self._assert_parent_handle(tagged_filters + untagged_filters,
qos._ROOT_QDISC_HANDLE)
assert len(untagged_filters) == 1, untagged_filters
assert untagged_filters[0]['protocol'] == 'all'
def _assert_upper_limit(self, default_class):
dclass = default_class[qos._SHAPING_QDISC_KIND]['ul']['m2']
assert dclass == HOST_QOS_OUTBOUND['ul']['m2']
def _assertions_on_default_class(self, default_class):
self._assert_parent_handle([default_class], qos._ROOT_QDISC_HANDLE)
assert default_class['leaf'] == DEFAULT_CLASSID + ':'
dclass = default_class[qos._SHAPING_QDISC_KIND]['ls']
assert dclass == HOST_QOS_OUTBOUND['ls']
def _assertions_on_root_class(self, root_class):
assert root_class is not None
self._assert_root_handle(root_class)
def _assert_root_handle(self, entity):
assert entity['handle'] == qos._ROOT_QDISC_HANDLE
def _assert_parent(self, entities, parent):
assert all(e['parent'] == parent['handle'] for e in entities)
def _assert_parent_handle(self, entities, parent_handle):
assert all(e['parent'] == parent_handle for e in entities)
def _root_class(self, classes):
return _find_entity(lambda c: c.get('root'), classes)
def _default_class(self, classes):
default_cls_handle = qos._ROOT_QDISC_HANDLE + DEFAULT_CLASSID
return _find_entity(lambda c: c['handle'] == default_cls_handle,
classes)
def _ingress_qdisc(self, qdiscs):
return _find_entity(lambda q: q['kind'] == 'ingress', qdiscs)
def _root_qdisc(self, qdiscs):
return _find_entity(lambda q: q.get('root'), qdiscs)
def _leaf_qdiscs(self, qdiscs):
return [
qdisc for qdisc in qdiscs if qdisc['kind'] == qos._FAIR_QDISC_KIND
]
def _untagged_filters(self, filters):
predicate = lambda f: f.get('u32', {}).get('match', {}) == {
'mask': 0,
'value': 0,
'offset': 0,
}
return list(f for f in filters if predicate(f))
def _tagged_filters(self, filters):
def tagged(f):
return f.get('basic', {}).get('object') == 'vlan'
return list(f for f in filters if tagged(f))
def _vlan_qdisc(self, qdiscs, vlan_tag):
handle = '%x:' % vlan_tag
return _find_entity(lambda q: q['handle'] == handle, qdiscs)
def _vlan_class(self, classes, vlan_tag):
handle = qos._ROOT_QDISC_HANDLE + '%x' % vlan_tag
return _find_entity(lambda c: c['handle'] == handle, classes)
def _non_vlan_qdisc(self, qdiscs):
handle = DEFAULT_CLASSID + ':'
return _find_entity(lambda q: q['handle'] == handle, qdiscs)
class TestBridge(object):
@nftestlib.parametrize_switch
def test_add_bridge_with_stp(self, adapter, switch, nic0):
if switch == 'ovs':
pytest.xfail('stp is currently not implemented for ovs')
NETCREATE = {
NETWORK_NAME: {
'nic': nic0,
'switch': switch,
'stp': True
}
}
with adapter.setupNetworks(NETCREATE, {}, nftestlib.NOCHK):
adapter.assertNetworkExists(NETWORK_NAME)
adapter.assertNetworkBridged(NETWORK_NAME)
adapter.assertBridgeOpts(NETWORK_NAME, NETCREATE[NETWORK_NAME])
@nftestlib.parametrize_legacy_switch
def test_add_bridge_with_custom_opts(self, adapter, switch, nic0):
NET_ATTRS = {
'nic': nic0,
'switch': switch,
'custom': {
'bridge_opts': 'multicast_snooping=0 multicast_router=0'
},
}
NETCREATE = {NETWORK_NAME: NET_ATTRS}
with adapter.setupNetworks(NETCREATE, {}, nftestlib.NOCHK):
adapter.assertBridgeOpts(NETWORK_NAME, NET_ATTRS)
@pytest.mark.xfail(
reason='Unstable on oVirt CI',
strict=False,
condition=running_on_ovirt_ci(),
)
@nftestlib.parametrize_legacy_switch
def test_create_network_over_an_existing_unowned_bridge(
self, adapter, switch, nic0):
with _create_linux_bridge(NETWORK_NAME) as brname:
NETCREATE = {
brname: {
'bridged': True,
'nic': nic0,
'switch': switch
}
}
with adapter.setupNetworks(NETCREATE, {}, nftestlib.NOCHK):
adapter.assertNetwork(brname, NETCREATE[brname])
@pytest.mark.xfail(
reason='Unstable link on oVirt CI',
raises=nftestlib.UnexpectedLinkStateChangeError,
strict=False,
condition=running_on_ovirt_ci(),
)
@nftestlib.parametrize_legacy_switch
def test_create_network_and_reuse_existing_owned_bridge(
self, adapter, switch, nic0, nic1, hidden_nic):
NETSETUP1 = {NETWORK_NAME: {'nic': nic0, 'switch': switch}}
NETSETUP2 = {NETWORK_NAME: {'nic': nic1, 'switch': switch}}
with adapter.setupNetworks(NETSETUP1, {}, nftestlib.NOCHK):
nftestlib.attach_dev_to_bridge(hidden_nic, NETWORK_NAME)
with nftestlib.monitor_stable_link_state(NETWORK_NAME):
adapter.setupNetworks(NETSETUP2, {}, nftestlib.NOCHK)
adapter.assertNetwork(NETWORK_NAME, NETSETUP2[NETWORK_NAME])
@nftestlib.parametrize_legacy_switch
def test_reconfigure_bridge_with_vanished_port(self, adapter, switch,
nic0):
NETCREATE = {
NETWORK_NAME: {
'nic': nic0,
'bridged': True,
'switch': switch
}
}
with adapter.setupNetworks(NETCREATE, {}, nftestlib.NOCHK):
with dummy_device() as nic1:
NETCREATE[NETWORK_NAME]['nic'] = nic1
adapter.setupNetworks(NETCREATE, {}, nftestlib.NOCHK)
adapter.refresh_netinfo()
assert adapter.netinfo.networks[NETWORK_NAME]['ports'] == []
NETCREATE[NETWORK_NAME]['nic'] = nic0
adapter.setupNetworks(NETCREATE, {}, nftestlib.NOCHK)
net_ports = adapter.netinfo.networks[NETWORK_NAME]['ports']
assert net_ports == [nic0]
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, 'speed')
@mock.patch.object(bond_speed, 'properties')
def test_bond_speed(self, mock_properties, speed_mock):
values = (
('bond1', [1000], 1000),
('bond2', [1000, 2000], 3000),
('bond3', [1000, 2000], 1000),
('bond4', [1000, 1000], 0),
('bond5', [1000, 2000], 0),
)
bonds_opts = {
'bond1': {
'mode': ['active-backup', '1'],
'slaves': ('dummy1', 'dummy2'),
'active_slave': 'dummy1',
},
'bond2': {
'mode': ['balance-xor', '2'],
'slaves': ('dummy1', 'dummy2'),
},
'bond3': {
'mode': ['broadcast', '3'],
'slaves': ('dummy1', 'dummy2'),
},
'bond4': {'mode': ['802.3ad', '4']},
'bond5': {
'mode': ['active-backup', '1'],
'slaves': ('dummy1', 'dummy2'),
},
}
for bond_name, nics_speeds, expected_speed in values:
mock_properties.return_value = bonds_opts[bond_name]
speed_mock.side_effect = nics_speeds
assert bond_speed.speed(bond_name) == expected_speed
@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
@pytest.mark.xfail(
condition=running_on_ovirt_ci(),
raises=KeyError,
reason='does not work on CI with nmstate',
strict=False,
)
@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')