def test_interface_addresses(self):
node0 = nemu.Node()
if0 = node0.add_if()
if0.add_v4_address(address='10.0.0.1',
prefix_len=24,
broadcast='10.0.0.255')
if0.add_v4_address(address='10.0.2.1', prefix_len=26)
if0.add_v6_address(address='fe80::222:19ff:fe22:615d', prefix_len=64)
devs = get_devs_netns(node0)
self.assertTrue({
'address': '10.0.0.1',
'prefix_len': 24,
'broadcast': '10.0.0.255',
'family': 'inet'
} in devs[if0.name]['addr'])
self.assertTrue({
'address': '10.0.2.1',
'prefix_len': 26,
'broadcast': '10.0.2.63',
'family': 'inet'
} in devs[if0.name]['addr'])
self.assertTrue({
'address': 'fe80::222:19ff:fe22:615d',
'prefix_len': 64,
'family': 'inet6'
} in devs[if0.name]['addr'])
self.assertTrue(len(if0.get_addresses()) >= 2)
self.assertEquals(if0.get_addresses(), devs[if0.name]['addr'])
def test_interface_migration(self):
node = nemu.Node()
self.dummyname = "dummy%d" % os.getpid()
self.assertEquals(
os.system("%s link add name %s type dummy" %
(IP_PATH, self.dummyname)), 0)
devs = get_devs()
self.assertTrue(self.dummyname in devs)
dummyidx = devs[self.dummyname]['idx']
if0 = node.import_if(self.dummyname)
self.assertTrue(self.dummyname not in get_devs())
node_devs = dict([(i.index, i) for i in node.get_interfaces()])
self.assertTrue(dummyidx in node_devs)
if0.lladdr = '42:71:e0:90:ca:43'
if0.mtu = 1400
devs = get_devs_netns(node)
self.assertTrue(if0.name in devs)
self.assertEquals(devs[if0.name]['lladdr'], '42:71:e0:90:ca:43')
self.assertEquals(devs[if0.name]['mtu'], 1400)
node.destroy()
self.assertTrue(self.dummyname in get_devs())
def test_interface_migration(self):
node = nemu.Node()
self.dummyname = "dummy%d" % os.getpid()
self.assertEquals(os.system("%s link add name %s type dummy" %
(IP_PATH, self.dummyname)), 0)
devs = get_devs()
self.assertTrue(self.dummyname in devs)
dummyidx = devs[self.dummyname]['idx']
if0 = node.import_if(self.dummyname)
self.assertTrue(self.dummyname not in get_devs())
node_devs = dict([(i.index, i) for i in node.get_interfaces()])
self.assertTrue(dummyidx in node_devs)
if0.lladdr = '42:71:e0:90:ca:43'
if0.mtu = 1400
devs = get_devs_netns(node)
self.assertTrue(if0.name in devs)
self.assertEquals(devs[if0.name]['lladdr'], '42:71:e0:90:ca:43')
self.assertEquals(devs[if0.name]['mtu'], 1400)
node.destroy()
self.assertTrue(self.dummyname in get_devs())
def test_interface_addresses(self):
node0 = nemu.Node()
if0 = node0.add_if()
if0.add_v4_address(address = '10.0.0.1', prefix_len = 24,
broadcast = '10.0.0.255')
if0.add_v4_address(address = '10.0.2.1', prefix_len = 26)
if0.add_v6_address(address = 'fe80::222:19ff:fe22:615d',
prefix_len = 64)
devs = get_devs_netns(node0)
self.assertTrue( {
'address': '10.0.0.1', 'prefix_len': 24,
'broadcast': '10.0.0.255', 'family': 'inet'
} in devs[if0.name]['addr'])
self.assertTrue( {
'address': '10.0.2.1', 'prefix_len': 26,
'broadcast': '10.0.2.63', 'family': 'inet'
} in devs[if0.name]['addr'])
self.assertTrue( {
'address': 'fe80::222:19ff:fe22:615d', 'prefix_len': 64,
'family': 'inet6'
} in devs[if0.name]['addr'])
self.assertTrue(len(if0.get_addresses()) >= 2)
self.assertEquals(if0.get_addresses(), devs[if0.name]['addr'])
def test_interface_settings(self):
node0 = nemu.Node()
if0 = node0.add_if(lladdr='42:71:e0:90:ca:42', mtu=1492)
self.assertEquals(if0.lladdr, '42:71:e0:90:ca:42',
"Constructor parameters")
self.assertEquals(if0.mtu, 1492, "Constructor parameters")
if0.lladdr = '4271E090CA42'
self.assertEquals(
if0.lladdr, '42:71:e0:90:ca:42', """Normalization of
link-level address: missing colons and upper caps""")
if0.lladdr = '2:71:E0:90:CA:42'
self.assertEquals(
if0.lladdr, '02:71:e0:90:ca:42',
"""Normalization of link-level address: missing zeroes""")
if0.lladdr = '271E090CA42'
self.assertEquals(
if0.lladdr, '02:71:e0:90:ca:42',
"""Automatic normalization of link-level address: missing
colons and zeroes""")
self.assertRaises(ValueError, setattr, if0, 'lladdr', 'foo')
self.assertRaises(ValueError, setattr, if0, 'lladdr', '1234567890123')
self.assertEquals(if0.mtu, 1492)
# detected by setter
self.assertRaises(ValueError, setattr, if0, 'mtu', 0)
# error from ip
self.assertRaises(RuntimeError, setattr, if0, 'mtu', 1)
self.assertRaises(RuntimeError, setattr, if0, 'mtu', 65537)
devs = get_devs_netns(node0)
self.assertTrue(if0.name in devs)
self.assertFalse(devs[if0.name]['up'])
self.assertEquals(devs[if0.name]['lladdr'], if0.lladdr)
self.assertEquals(devs[if0.name]['mtu'], if0.mtu)
if0.up = True
devs = get_devs_netns(node0)
self.assertTrue(devs[if0.name]['up'])
# Verify that data is actually read from the kernel
r = node0.system([IP_PATH, "link", "set", if0.name, "mtu", "1500"])
self.assertEquals(r, 0)
devs = get_devs_netns(node0)
self.assertEquals(devs[if0.name]['mtu'], 1500)
self.assertEquals(devs[if0.name]['mtu'], if0.mtu)
def test_interface_settings(self):
node0 = nemu.Node()
if0 = node0.add_if(lladdr = '42:71:e0:90:ca:42', mtu = 1492)
self.assertEquals(if0.lladdr, '42:71:e0:90:ca:42',
"Constructor parameters")
self.assertEquals(if0.mtu, 1492, "Constructor parameters")
if0.lladdr = '4271E090CA42'
self.assertEquals(if0.lladdr, '42:71:e0:90:ca:42', """Normalization of
link-level address: missing colons and upper caps""")
if0.lladdr = '2:71:E0:90:CA:42'
self.assertEquals(if0.lladdr, '02:71:e0:90:ca:42',
"""Normalization of link-level address: missing zeroes""")
if0.lladdr = '271E090CA42'
self.assertEquals(if0.lladdr, '02:71:e0:90:ca:42',
"""Automatic normalization of link-level address: missing
colons and zeroes""")
self.assertRaises(ValueError, setattr, if0, 'lladdr', 'foo')
self.assertRaises(ValueError, setattr, if0, 'lladdr', '1234567890123')
self.assertEquals(if0.mtu, 1492)
# detected by setter
self.assertRaises(ValueError, setattr, if0, 'mtu', 0)
# error from ip
self.assertRaises(RuntimeError, setattr, if0, 'mtu', 1)
self.assertRaises(RuntimeError, setattr, if0, 'mtu', 65537)
devs = get_devs_netns(node0)
self.assertTrue(if0.name in devs)
self.assertFalse(devs[if0.name]['up'])
self.assertEquals(devs[if0.name]['lladdr'], if0.lladdr)
self.assertEquals(devs[if0.name]['mtu'], if0.mtu)
if0.up = True
devs = get_devs_netns(node0)
self.assertTrue(devs[if0.name]['up'])
# Verify that data is actually read from the kernel
r = node0.system([IP_PATH, "link", "set", if0.name, "mtu", "1500"])
self.assertEquals(r, 0)
devs = get_devs_netns(node0)
self.assertEquals(devs[if0.name]['mtu'], 1500)
self.assertEquals(devs[if0.name]['mtu'], if0.mtu)
def test_interface_creation(self):
node0 = nemu.Node()
ifaces = []
for i in range(5):
ifaces.append(node0.add_if())
devs = get_devs_netns(node0)
for i in range(5):
self.assertTrue(devs['lo']['up'])
self.assertTrue(ifaces[i].name in devs)
node_devs = set(node0.get_interfaces())
self.assertTrue(set(ifaces).issubset(node_devs))
loopback = node_devs - set(ifaces) # should be!
self.assertEquals(len(loopback), 1)
self.assertEquals(loopback.pop().name, 'lo')
devs = get_devs()
for i in range(5):
peer_name = nemu.iproute.get_if(ifaces[i].control.index).name
self.assertTrue(peer_name in devs)
def test_interface_creation(self):
node0 = nemu.Node()
ifaces = []
for i in range(5):
ifaces.append(node0.add_if())
devs = get_devs_netns(node0)
for i in range(5):
self.assertTrue(devs['lo']['up'])
self.assertTrue(ifaces[i].name in devs)
node_devs = set(node0.get_interfaces())
self.assertTrue(set(ifaces).issubset(node_devs))
loopback = node_devs - set(ifaces) # should be!
self.assertEquals(len(loopback), 1)
self.assertEquals(loopback.pop().name, 'lo')
devs = get_devs()
for i in range(5):
peer_name = nemu.iproute.get_if(ifaces[i].control.index).name
self.assertTrue(peer_name in devs)
