def test_ovirtmgmtm_to_ovs(self):
""" Test transformation of initial management network to OVS.
# TODO: test it with ovirtmgmt and test-network
# NOTE: without default route
# TODO: more asserts
"""
with veth_pair() as (left, right):
addrAdd(left, IP_ADDRESS, IP_CIDR)
addrAdd(left, IPv6_ADDRESS, IPv6_CIDR, 6)
linkSet(left, ['up'])
with dnsmasqDhcp(left):
network = {
NETWORK_NAME: {
'nic': right,
'bootproto': 'dhcp',
'bridged': True,
'blockingdhcp': True
}
}
options = NOCHK
options['ovs'] = False
try:
status, msg = self.setupNetworks(network, {}, options)
self.assertEqual(status, SUCCESS, msg)
self.assertNetworkExists(NETWORK_NAME)
options['ovs'] = True
status, msg = self.setupNetworks(network, {}, options)
self.assertEqual(status, SUCCESS, msg)
self.assertNetworkExists(NETWORK_NAME)
finally:
dhcp.delete_dhclient_leases(NETWORK_NAME, True, False)
def test_ovirtmgmtm_to_ovs(self):
""" Test transformation of initial management network to OVS.
# TODO: test it with ovirtmgmt and test-network
# NOTE: without default route
# TODO: more asserts
"""
with veth_pair() as (left, right):
addrAdd(left, IP_ADDRESS, IP_CIDR)
addrAdd(left, IPv6_ADDRESS, IPv6_CIDR, 6)
linkSet(left, ['up'])
with dnsmasqDhcp(left):
network = {
NETWORK_NAME: {'nic': right, 'bootproto': 'dhcp',
'bridged': True, 'blockingdhcp': True}}
options = NOCHK
options['ovs'] = False
try:
status, msg = self.setupNetworks(network, {}, options)
self.assertEqual(status, SUCCESS, msg)
self.assertNetworkExists(NETWORK_NAME)
options['ovs'] = True
status, msg = self.setupNetworks(network, {}, options)
self.assertEqual(status, SUCCESS, msg)
self.assertNetworkExists(NETWORK_NAME)
finally:
dhcp.delete_dhclient_leases(NETWORK_NAME, True, False)
def testFakeNics(self):
with MonkeyPatchScope([(ipwrapper.Link, '_fakeNics', ['veth_*',
'dummy_*'])]):
with veth_pair() as (v1a, v1b):
with dummy_device() as d1:
fakes = set([d1, v1a, v1b])
nics = netinfo.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 = netinfo.nics()
self.assertFalse(hiddens.intersection(nics), 'Some of '
'hidden devices %s is shown in nics %s' %
(hiddens, nics))
def testFakeNics(self):
with MonkeyPatchScope([(ipwrapper.Link, '_fakeNics',
['veth_*', 'dummy_*'])]):
with veth_pair() as (v1a, v1b):
with dummy_device() as d1:
fakes = set([d1, v1a, v1b])
nics = netinfo.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 = netinfo.nics()
self.assertFalse(
hiddens.intersection(nics), 'Some of '
'hidden devices %s is shown in nics %s' %
(hiddens, nics))
def test_iperf_upper_limit(self):
# 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):
linkSet(server_peer, ['up'])
linkSet(client_peer, ['up'])
# iperf server and its veth peer lie in a separate network
# namespace
link_set_netns(server_dev, ns)
bridge.addIf(server_peer)
bridge.addIf(client_peer)
linkSet(client_dev, ['up'])
netns_exec(ns, ['ip', 'link', 'set', 'dev', server_dev, 'up'])
addrAdd(client_dev, client_ip, 24)
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']
])
self.assertTrue(0 < max_rate < limit_kbps * 1.5)
def test_iperf_upper_limit(self):
# 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):
linkSet(server_peer, ['up'])
linkSet(client_peer, ['up'])
# iperf server and its veth peer lie in a separate network
# namespace
link_set_netns(server_dev, ns)
bridge.addIf(server_peer)
bridge.addIf(client_peer)
linkSet(client_dev, ['up'])
netns_exec(ns, ['ip', 'link', 'set', 'dev', server_dev, 'up'])
addrAdd(client_dev, client_ip, 24)
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']])
self.assertTrue(0 < max_rate < limit_kbps * 1.5)
def testSetupNetworksAddDelDhcp(self, bridged, families):
"""Copied from networkTests.py, source_route checking changed from
device_name to BRIDGE_NAME.
"""
def _assert_applied(network_name, requested, reported):
self.assertNetworkExists(network_name)
reported_network = reported.networks[network_name]
if requested['bridged']:
self.assertEqual(reported_network['cfg']['BOOTPROTO'],
requested['bootproto'])
reported_devices = reported.bridges
device_name = network_name
else:
# CHANGED: always bridged
pass
self.assertIn(device_name, reported_devices)
reported_device = reported_devices[device_name]
requested_dhcpv4 = requested['bootproto'] == 'dhcp'
self.assertEqual(reported_network['dhcpv4'], requested_dhcpv4)
self.assertEqual(reported_network['dhcpv6'], requested['dhcpv6'])
self.assertEqual(reported_device['cfg']['BOOTPROTO'],
requested['bootproto'])
self.assertEqual(reported_device['dhcpv4'], requested_dhcpv4)
self.assertEqual(reported_device['dhcpv6'], requested['dhcpv6'])
if requested_dhcpv4:
self.assertEqual(reported_network['gateway'], IP_GATEWAY)
# TODO: source routing not ready for IPv6
ip_addr = reported_network['addr']
self.assertSourceRoutingConfiguration(
BRIDGE_NAME, # CHANGED
ip_addr)
return device_name, ip_addr
return None, None
with veth_pair() as (left, right):
addrAdd(left, IP_ADDRESS, IP_CIDR)
addrAdd(left, IPv6_ADDRESS, IPv6_CIDR, 6)
linkSet(left, ['up'])
with dnsmasqDhcp(left):
dhcpv4 = 4 in families
dhcpv6 = 6 in families
bootproto = 'dhcp' if dhcpv4 else 'none'
network = {
NETWORK_NAME: {
'nic': right,
'bridged': bridged,
'bootproto': bootproto,
'dhcpv6': dhcpv6,
'blockingdhcp': True
}
}
try:
status, msg = self.setupNetworks(network, {}, NOCHK)
self.assertEqual(status, SUCCESS, msg)
device_name, ip_addr = _assert_applied(
NETWORK_NAME, network[NETWORK_NAME],
self.vdsm_net.netinfo)
# Do not report DHCP from (typically still valid) leases
network[NETWORK_NAME]['bootproto'] = 'none'
network[NETWORK_NAME]['dhcpv6'] = False
status, msg = self.setupNetworks(network, {}, NOCHK)
self.assertEqual(status, SUCCESS, msg)
_assert_applied(NETWORK_NAME, network[NETWORK_NAME],
self.vdsm_net.netinfo)
network = {NETWORK_NAME: {'remove': True}}
status, msg = self.setupNetworks(network, {}, NOCHK)
self.assertEqual(status, SUCCESS, msg)
self.assertNetworkDoesntExist(NETWORK_NAME)
# Assert that routes and rules don't exist
if dhcpv4:
source_route = _get_source_route(device_name, ip_addr)
for route in source_route._buildRoutes():
self.assertRouteDoesNotExist(route)
for rule in source_route._buildRules():
self.assertRuleDoesNotExist(rule)
finally:
dhcp.delete_dhclient_leases(
NETWORK_NAME if bridged else right, dhcpv4, dhcpv6)
def testSetupNetworksAddDelDhcp(self, bridged, families):
"""Copied from networkTests.py, source_route checking changed from
device_name to BRIDGE_NAME.
"""
def _assert_applied(network_name, requested, reported):
self.assertNetworkExists(network_name)
reported_network = reported.networks[network_name]
if requested['bridged']:
self.assertEqual(reported_network['cfg']['BOOTPROTO'],
requested['bootproto'])
reported_devices = reported.bridges
device_name = network_name
else:
# CHANGED: always bridged
pass
self.assertIn(device_name, reported_devices)
reported_device = reported_devices[device_name]
requested_dhcpv4 = requested['bootproto'] == 'dhcp'
self.assertEqual(reported_network['dhcpv4'], requested_dhcpv4)
self.assertEqual(reported_network['dhcpv6'], requested['dhcpv6'])
self.assertEqual(reported_device['cfg']['BOOTPROTO'],
requested['bootproto'])
self.assertEqual(reported_device['dhcpv4'], requested_dhcpv4)
self.assertEqual(reported_device['dhcpv6'], requested['dhcpv6'])
if requested_dhcpv4:
self.assertEqual(reported_network['gateway'], IP_GATEWAY)
# TODO: source routing not ready for IPv6
ip_addr = reported_network['addr']
self.assertSourceRoutingConfiguration(BRIDGE_NAME, # CHANGED
ip_addr)
return device_name, ip_addr
return None, None
with veth_pair() as (left, right):
addrAdd(left, IP_ADDRESS, IP_CIDR)
addrAdd(left, IPv6_ADDRESS, IPv6_CIDR, 6)
linkSet(left, ['up'])
with dnsmasqDhcp(left):
dhcpv4 = 4 in families
dhcpv6 = 6 in families
bootproto = 'dhcp' if dhcpv4 else 'none'
network = {NETWORK_NAME: {'nic': right, 'bridged': bridged,
'bootproto': bootproto,
'dhcpv6': dhcpv6,
'blockingdhcp': True}}
try:
status, msg = self.setupNetworks(network, {}, NOCHK)
self.assertEqual(status, SUCCESS, msg)
device_name, ip_addr = _assert_applied(
NETWORK_NAME, network[NETWORK_NAME],
self.vdsm_net.netinfo)
# Do not report DHCP from (typically still valid) leases
network[NETWORK_NAME]['bootproto'] = 'none'
network[NETWORK_NAME]['dhcpv6'] = False
status, msg = self.setupNetworks(network, {}, NOCHK)
self.assertEqual(status, SUCCESS, msg)
_assert_applied(NETWORK_NAME, network[NETWORK_NAME],
self.vdsm_net.netinfo)
network = {NETWORK_NAME: {'remove': True}}
status, msg = self.setupNetworks(network, {}, NOCHK)
self.assertEqual(status, SUCCESS, msg)
self.assertNetworkDoesntExist(NETWORK_NAME)
# Assert that routes and rules don't exist
if dhcpv4:
source_route = _get_source_route(device_name, ip_addr)
for route in source_route._buildRoutes():
self.assertRouteDoesNotExist(route)
for rule in source_route._buildRules():
self.assertRuleDoesNotExist(rule)
finally:
dhcp.delete_dhclient_leases(
NETWORK_NAME if bridged else right, dhcpv4, dhcpv6)