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 testHostSampleReportsNewInterface(self):
interfaces_before = set(
sampling._get_interfaces_and_samples().iterkeys())
with dummy.device() as dummy_name:
interfaces_after = set(
sampling._get_interfaces_and_samples().iterkeys())
interfaces_diff = interfaces_after - interfaces_before
self.assertEqual(interfaces_diff, {dummy_name})
def testHostSampleReportsNewInterface(self):
interfaces_before = set(
sampling._get_interfaces_and_samples().iterkeys())
with dummy.device() as dummy_name:
interfaces_after = set(
sampling._get_interfaces_and_samples().iterkeys())
interfaces_diff = interfaces_after - interfaces_before
self.assertEqual(interfaces_diff, {dummy_name})
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 testHostSampleHandlesDisappearingVlanInterfaces(self):
original_getLinks = ipwrapper.getLinks
def faultyGetLinks():
all_links = list(original_getLinks())
ipwrapper.linkDel(self.NEW_VLAN)
return iter(all_links)
with MonkeyPatchScope([(ipwrapper, 'getLinks', faultyGetLinks)]):
with dummy.device() as dummy_name, vlan(
self.NEW_VLAN, dummy_name, 999):
interfaces_and_samples = sampling._get_interfaces_and_samples()
self.assertNotIn(self.NEW_VLAN, interfaces_and_samples)
def testHostSampleHandlesDisappearingVlanInterfaces(self):
original_getLinks = ipwrapper.getLinks
def faultyGetLinks():
all_links = list(original_getLinks())
ipwrapper.linkDel(self.NEW_VLAN)
return iter(all_links)
with MonkeyPatchScope([(ipwrapper, 'getLinks', faultyGetLinks)]):
with dummy.device() as dummy_name, vlan(self.NEW_VLAN, dummy_name,
999):
interfaces_and_samples = sampling._get_interfaces_and_samples()
self.assertNotIn(self.NEW_VLAN, interfaces_and_samples)
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 = \
netinfo.getIpInfo(*a, **kw)
ipv6addrs = [
addr for addr in ipv6addrs
if not netaddr.IPAddress(addr.split('/')[0]).is_link_local()]
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_SECOND_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:
ipwrapper.addrAdd(device, IP_ADDR, PREFIX_LENGTH)
ipwrapper.addrAdd(device, IP_ADDR_SECOND, PREFIX_LENGTH)
ipwrapper.addrAdd(device, IP_ADDR2, PREFIX_LENGTH)
ipwrapper.addrAdd(device, IPV6_ADDR, IPV6_PREFIX_LENGTH, family=6)
# 32 bit addresses are reported slashless by netlink
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_SECOND_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_SECOND_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_SECOND_CIDR],
[IPV6_ADDR_CIDR]))