def handle(self):
# Start by checking the prefix cache
prefix_cache_age = datetime.now() - self.prefix_cache_update_time
if prefix_cache_age > self.prefix_cache_max_age:
yield self._update_prefix_cache()
self._logger.debug("Collecting IP/MAC mappings")
# Fetch standard MIBs
ip_mib = IpMib(self.agent)
mappings = yield ip_mib.get_ifindex_ip_mac_mappings()
self._logger.debug("Found %d mappings in IP-MIB", len(mappings))
# Try IPV6-MIB if no IPv6 results were found in IP-MIB
if not ipv6_address_in_mappings(mappings):
ipv6_mib = Ipv6Mib(self.agent)
ipv6_mappings = yield ipv6_mib.get_ifindex_ip_mac_mappings()
self._logger.debug("Found %d mappings in IPV6-MIB",
len(ipv6_mappings))
mappings.update(ipv6_mappings)
# If we got no results, or no IPv6 results, try vendor specific MIBs
if len(mappings) == 0 or not ipv6_address_in_mappings(mappings):
cisco_ip_mib = CiscoIetfIpMib(self.agent)
cisco_ip_mappings = yield cisco_ip_mib.get_ifindex_ip_mac_mappings(
)
self._logger.debug("Found %d mappings in CISCO-IETF-IP-MIB",
len(cisco_ip_mappings))
mappings.update(cisco_ip_mappings)
yield self._process_data(mappings)
def handle(self):
# Start by checking the prefix cache
prefix_cache_age = datetime.now() - self.prefix_cache_update_time
if prefix_cache_age > self.prefix_cache_max_age:
yield self._update_prefix_cache()
self._logger.debug("Collecting IP/MAC mappings")
# Fetch standard MIBs
ip_mib = IpMib(self.agent)
mappings = yield ip_mib.get_ifindex_ip_mac_mappings()
self._logger.debug("Found %d mappings in IP-MIB", len(mappings))
# Try IPV6-MIB if no IPv6 results were found in IP-MIB
if not ipv6_address_in_mappings(mappings):
ipv6_mib = Ipv6Mib(self.agent)
ipv6_mappings = yield ipv6_mib.get_ifindex_ip_mac_mappings()
self._logger.debug("Found %d mappings in IPV6-MIB",
len(ipv6_mappings))
mappings.update(ipv6_mappings)
# If we got no results, or no IPv6 results, try vendor specific MIBs
if len(mappings) == 0 or not ipv6_address_in_mappings(mappings):
cisco_ip_mib = CiscoIetfIpMib(self.agent)
cisco_ip_mappings = yield cisco_ip_mib.get_ifindex_ip_mac_mappings()
self._logger.debug("Found %d mappings in CISCO-IETF-IP-MIB",
len(cisco_ip_mappings))
mappings.update(cisco_ip_mappings)
yield self._process_data(mappings)
def _get_stats(self):
ifmib = IfMib(self.agent)
ipmib = IpMib(self.agent)
stats = yield ifmib.retrieve_columns(
("ifName", "ifDescr") + USED_COUNTERS).addCallback(reduce_index)
ipv6stats = yield ipmib.get_ipv6_octet_counters()
if ipv6stats:
self._logger.debug("found ipv6 octet counters for %d interfaces",
len(ipv6stats))
for ifindex, (in_octets, out_octets) in ipv6stats.items():
if ifindex in stats:
stats[ifindex][IF_IN_OCTETS_IPV6] = in_octets
stats[ifindex][IF_OUT_OCTETS_IPV6] = out_octets
defer.returnValue(stats)
def _get_stats(self):
ifmib = IfMib(self.agent)
ipmib = IpMib(self.agent)
stats = yield ifmib.retrieve_columns(
("ifName", "ifDescr") + USED_COUNTERS).addCallback(reduce_index)
ipv6stats = yield ipmib.get_ipv6_octet_counters()
if ipv6stats:
self._logger.debug("found ipv6 octet counters for %d interfaces",
len(ipv6stats))
for ifindex, (in_octets, out_octets) in ipv6stats.items():
if ifindex in stats:
stats[ifindex][IF_IN_OCTETS_IPV6] = in_octets
stats[ifindex][IF_OUT_OCTETS_IPV6] = out_octets
defer.returnValue(stats)
def test_ipv6_prefix_rowpointer_should_be_parsed_correctly(self):
rowpointer = self._ipAddressPrefixEntry + (
5,
11,
2,
16,
32,
1,
7,
0,
0,
0,
5,
0,
0,
0,
0,
0,
0,
0,
0,
0,
64,
)
expected = IP('2001:700:0:500::/64')
prefix = IpMib.prefix_index_to_ip(rowpointer)
assert prefix == expected
def test_ipv4_prefix_rowpointer_should_be_parsed_correctly(self):
rowpointer = self._ipAddressPrefixEntry + (
5,
439541760,
1,
4,
192,
168,
70,
0,
24,
)
expected = IP('192.168.70/24')
prefix = IpMib.prefix_index_to_ip(rowpointer)
assert prefix == expected
def handle(self):
self._logger.debug("Collecting prefixes")
netbox = self.containers.factory(None, shadows.Netbox)
ipmib = IpMib(self.agent)
ciscoip = CiscoIetfIpMib(self.agent)
ipv6mib = Ipv6Mib(self.agent)
# Retrieve interface names and keep those who match a VLAN
# naming pattern
vlan_interfaces = yield self.get_vlan_interfaces()
ifc_aliases = yield self._get_ifc_aliases()
# Traverse address tables from IP-MIB, IPV6-MIB and
# CISCO-IETF-IP-MIB in that order.
addresses = set()
for mib in ipmib, ipv6mib, ciscoip:
self._logger.debug("Trying address tables from %s",
mib.mib['moduleName'])
df = mib.get_interface_addresses()
# Special case; some devices will time out while building a bulk
# response outside our scope when it has no proprietary MIB support
if mib != ipmib:
df.addErrback(self._ignore_timeout, set())
df.addErrback(self._ignore_index_exceptions, mib)
new_addresses = yield df
self._logger.debug(
"Found %d addresses in %s: %r",
len(new_addresses),
mib.mib['moduleName'],
new_addresses,
)
addresses.update(new_addresses)
adminup_ifcs = yield self._get_adminup_ifcs()
for ifindex, ip, prefix in addresses:
if ifindex not in adminup_ifcs:
self._logger.debug(
"ignoring collected address %s on admDown ifindex %s", ip,
ifindex)
continue
if self._prefix_should_be_ignored(prefix):
self._logger.debug("ignoring prefix %s as configured", prefix)
continue
self.create_containers(netbox, ifindex, prefix, ip,
vlan_interfaces, ifc_aliases)
def test_ipv6_syntax_with_length_should_be_parsed_correctly(self):
ip_tuple = (2, 16, 32, 1, 13, 184, 18, 52, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1)
expected = IP('2001:db8:1234::1')
ip = IpMib.inetaddress_to_ip(ip_tuple)
assert ip == expected
def test_too_long_ipv6_address_should_raise_exception(self):
ip_tuple = (2, 16, 32, 1, 13, 184, 18, 52, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1)
with pytest.raises(IndexToIpException):
IpMib.inetaddress_to_ip(ip_tuple)
def test_ipv4_syntax_not_annotated_with_size_should_parse_ok(self):
ip_tuple = (1, 192, 0, 2, 1)
expected = IP('192.0.2.1')
ip = IpMib.inetaddress_to_ip(ip_tuple)
assert ip == expected
def test_nxos_ipv4_prefix_rowpointer_should_be_parsed_correctly(self):
rowpointer = self._ipAddressPrefixEntry + (
439541760, 1, 4, 192, 168, 70, 0, 24)
expected = IP('192.168.70/24')
prefix = IpMib.prefix_index_to_ip(rowpointer)
self.assertEquals(prefix, expected)
def test_ipv4_syntax_not_annotated_with_size_should_parse_ok(self):
ip_tuple = (1, 192, 0L, 2L, 1L)
expected = IP('192.0.2.1')
ip = IpMib.inetaddress_to_ip(ip_tuple)
self.assertEquals(ip, expected)
def test_ipv6_prefix_rowpointer_should_be_parsed_correctly(self):
rowpointer = (1, 3, 6, 1, 2, 1, 4, 32, 1, 5, 11, 2, 16, 32, 1, 7, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 64)
expected = IP('2001:700:0:500::/64')
prefix = IpMib.prefix_index_to_ip(rowpointer)
self.assertEquals(prefix, expected)
def test_ipv4_prefix_rowpointer_should_be_parsed_correctly(self):
rowpointer = (1, 3, 6, 1, 2, 1, 4, 32, 1, 5, 439541760, 1, 4, 192, 168, 70, 0, 24)
expected = IP('192.168.70/24')
prefix = IpMib.prefix_index_to_ip(rowpointer)
self.assertEquals(prefix, expected)
def test_ipv6_syntax_with_length_should_be_parsed_correctly(self):
ip_tuple = (2, 16, 32L, 1L, 13L, 184L, 18L, 52L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 1L)
expected = IP('2001:db8:1234::1')
ip = IpMib.inetaddress_to_ip(ip_tuple)
self.assertEquals(ip, expected)
def test_ipv4_syntax_not_annotated_with_size_should_parse_ok(self):
ip_tuple = (1, 192, 0L, 2L, 1L)
expected = IP('192.0.2.1')
ip = IpMib.inetaddress_to_ip(ip_tuple)
self.assertEquals(ip, expected)
def test_ipv4_syntax_with_length_should_be_parsed_correctly(self):
ip_tuple = (1, 4, 192, 0L, 2L, 1L)
expected = IP('192.0.2.1')
ip = IpMib.inetaddress_to_ip(ip_tuple)
self.assertEquals(ip, expected)
def test_ipv4_syntax_with_length_should_be_parsed_correctly(self):
ip_tuple = (1, 4, 192, 0L, 2L, 1L)
expected = IP('192.0.2.1')
ip = IpMib.inetaddress_to_ip(ip_tuple)
self.assertEquals(ip, expected)
def test_ipv4_syntax_with_length_should_be_parsed_correctly(self):
ip_tuple = (1, 4, 192, 0, 2, 1)
expected = IP('192.0.2.1')
ip = IpMib.inetaddress_to_ip(ip_tuple)
assert ip == expected
def test_ipv6_syntax_with_length_should_be_parsed_correctly(self):
ip_tuple = (2, 16, 32L, 1L, 13L, 184L, 18L, 52L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 1L)
expected = IP('2001:db8:1234::1')
ip = IpMib.inetaddress_to_ip(ip_tuple)
self.assertEquals(ip, expected)
def test_invalid_ipv4_syntax_should_raise_error(self):
ip_tuple = (1, 4, 300, 300, 300, 300)
with pytest.raises(ValueError):
IpMib.inetaddress_to_ip(ip_tuple)
def test_nxos_ipv6_prefix_rowpointer_should_be_parsed_correctly(self):
rowpointer = self._ipAddressPrefixEntry + (
11, 2, 16, 32, 1, 7, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 64)
expected = IP('2001:700:0:500::/64')
prefix = IpMib.prefix_index_to_ip(rowpointer)
self.assertEquals(prefix, expected)
def test_too_short_ipv4_address_should_raise_exception(self):
ip_tuple = (1, 4, 1, 2)
with pytest.raises(IndexToIpException):
IpMib.inetaddress_to_ip(ip_tuple)
