def test_empty_configuration(self):
'''Confirms that we properly handle no configuration data on an interface'''
# The interface has just been created as part of setup, there shouldn't be any IPs
interface_cfg = NetworkInterfaceConfig('dummy0')
if interface_cfg.get_ips():
self.fail("dummy configuration returned an IP!")
def test_add_ipv6(self):
'''Adds an IPv6 address and then confirms it'''
interface_cfg = NetworkInterfaceConfig('dummy0')
interface_cfg.add_v6_ip('fd00:a3b1:78a2::1', 64)
ips = interface_cfg.get_ips()
self.assertEqual(len(ips), 1, "dummy interface either didn't get the IP or has multiple!")
self.assertEqual(ips[0]['ip_address'], 'fd00:a3b1:78a2::1', "IP assignment failure!")
self.assertEqual(ips[0]['family'], AF_INET6, "IP assignment failure!")
self.assertEqual(ips[0]['prefix_length'], 64, "IP assignment failure!")
def test_duplicate_ip_failure(self):
'''Tests duplicate address protection'''
interface_cfg = NetworkInterfaceConfig('dummy0')
interface_cfg.add_v4_ip(ip_address='10.0.241.123',
prefix_length=24)
with self.assertRaises(DuplicateIPError):
interface_cfg.add_v4_ip(ip_address='10.0.241.123',
prefix_length=24)
def test_add_ipv4(self):
'''Adds an IPv4 address, and then confirms it via get_ips()'''
interface_cfg = NetworkInterfaceConfig('dummy0')
interface_cfg.add_v4_ip(ip_address='10.0.241.123',
prefix_length=24)
# Retrieve the IPs on the interface and make sure its the only one
# plus that it is the correct IP
ips = interface_cfg.get_ips()
self.assertEqual(len(ips), 1, "dummy interface either didn't get the IP or has multiple!")
self.assertEqual(ips[0]['ip_address'], '10.0.241.123', "IP assignment failure!")
self.assertEqual(ips[0]['family'], AF_INET)
self.assertEqual(ips[0]['broadcast'], '10.0.241.255', "IP assignment failure!")
self.assertEqual(ips[0]['prefix_length'], 24, "IP assignment failure!")
def test_remove_ipv6(self):
'''Removes an IPv6 address and confirms it'''
interface_cfg = NetworkInterfaceConfig('dummy0')
interface_cfg.add_v6_ip('fd00:a3b1:78a2::1', 64)
interface_cfg.remove_ip('fd00:a3b1:78a2::1')
if interface_cfg.get_ips():
self.fail("dummy configuration returned an IP!")
def test_remove_ipv4(self):
'''Tests interface deconfiguration of v4 addresses'''
interface_cfg = NetworkInterfaceConfig('dummy0')
interface_cfg.add_v4_ip(ip_address='10.0.241.123',
prefix_length=24)
# Now remove the IP
interface_cfg.remove_ip('10.0.241.123')
# And make sure its gone
if interface_cfg.get_ips():
self.fail("dummy configuration returned an IP!")
def test_check_for_nonexistent_ip(self):
'''Tests IPNotFound response when getting information for a specific IP'''
interface_cfg = NetworkInterfaceConfig('dummy0')
with self.assertRaises(IPNotFound):
interface_cfg.get_full_ip_info("10.0.21.123")
def test_ipv6_reserved_reject(self):
'''Rejects if the IP is in reserved address space'''
interface_cfg = NetworkInterfaceConfig('dummy0')
with self.assertRaises(ValueError):
interface_cfg.add_v6_ip(ip_address='dead:beef::',
prefix_length=64)
def test_network_address_rejection(self):
'''Prefixes >/24 require a dedicated network address that can't be used as an IP'''
interface_cfg = NetworkInterfaceConfig('dummy0')
with self.assertRaises(ValueError):
interface_cfg.add_v4_ip(ip_address='192.168.1.192',
prefix_length=26)
def test_ipv6_loopback_address_reject(self):
'''Rejects if we try to assign loopback'''
interface_cfg = NetworkInterfaceConfig('dummy0')
with self.assertRaises(ValueError):
interface_cfg.add_v6_ip(ip_address='::1',
prefix_length=128)
def test_ipv4_link_local_rejection(self):
'''Reject if we try to use a link-local address'''
interface_cfg = NetworkInterfaceConfig('dummy0')
with self.assertRaises(ValueError):
interface_cfg.add_v4_ip(ip_address='169.254.1.1',
prefix_length=24)
def test_ipv4_class_e_rejection(self):
'''Reject if we try to use a class E address'''
interface_cfg = NetworkInterfaceConfig('dummy0')
with self.assertRaises(ValueError):
interface_cfg.add_v4_ip(ip_address='240.0.0.1',
prefix_length=24)
def test_ipv4_multicast_rejection(self):
'''Reject if we try to assign a multicast address'''
interface_cfg = NetworkInterfaceConfig('dummy0')
with self.assertRaises(ValueError):
interface_cfg.add_v4_ip(ip_address='224.0.0.1',
prefix_length=24)
def test_ipv4_loopback_address_rejection(self):
'''Rejects if we try using a loopback address'''
interface_cfg = NetworkInterfaceConfig('dummy0')
with self.assertRaises(ValueError):
interface_cfg.add_v4_ip(ip_address='127.0.1.2',
prefix_length=24)
def test_broadcast_address_rejection(self):
'''Rejects if we try using a broadcast address of a prefix'''
interface_cfg = NetworkInterfaceConfig('dummy0')
with self.assertRaises(ValueError):
interface_cfg.add_v4_ip(ip_address='192.168.1.191',
prefix_length=26)
def test_ipv6_multicast_reject(self):
'''Rejects if address is IPv6 multicast'''
interface_cfg = NetworkInterfaceConfig('dummy0')
with self.assertRaises(ValueError):
interface_cfg.add_v6_ip(ip_address="ff05::1:3",
prefix_length=128)
def test_invalid_ip_check(self):
'''Makes sure we raise ValueError on if we pass in an invalid IP'''
interface_cfg = NetworkInterfaceConfig('dummy0')
with self.assertRaises(ValueError):
interface_cfg.add_v4_ip(ip_address='ImNotAnIP!',
prefix_length=1337)