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d9b0c6fbf7aa5bd9af84264105b39c82028a4a29
vpp/test/test_flowprobe.py
Klement Sekera d9b0c6fbf7 tests: replace pycodestyle with black 
Drop pycodestyle for code style checking in favor of black. Black is
much faster, stable PEP8 compliant code style checker offering also
automatic formatting. It aims to be very stable and produce smallest
diffs. It's used by many small and big projects.

Running checkstyle with black takes a few seconds with a terse output.
Thus, test-checkstyle-diff is no longer necessary.

Expand scope of checkstyle to all python files in the repo, replacing
test-checkstyle with checkstyle-python.

Also, fixstyle-python is now available for automatic style formatting.

Note: python virtualenv has been consolidated in test/Makefile,
test/requirements*.txt which will eventually be moved to a central
location.  This is required to simply the automated generation of
docker executor images in the CI.

Type: improvement
Change-Id: I022a326603485f58585e879ac0f697fceefbc9c8
Signed-off-by: Klement Sekera <klement.sekera@gmail.com>
Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
2022-05-10 18:52:08 +00:00

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#!/usr/bin/env python3
from __future__ import print_function
import binascii
import random
import socket
import unittest
import time
import re
from scapy.packet import Raw
from scapy.layers.l2 import Ether
from scapy.layers.inet import IP, TCP, UDP
from scapy.layers.inet6 import IPv6
from config import config
from framework import tag_fixme_vpp_workers
from framework import VppTestCase, VppTestRunner
from framework import tag_run_solo
from vpp_object import VppObject
from vpp_pg_interface import CaptureTimeoutError
from util import ppp
from ipfix import IPFIX, Set, Template, Data, IPFIXDecoder
from vpp_ip_route import VppIpRoute, VppRoutePath
from vpp_papi.macaddress import mac_ntop
from socket import inet_ntop
from vpp_papi import VppEnum
class VppCFLOW(VppObject):
"""CFLOW object for IPFIX exporter and Flowprobe feature"""
def __init__(
self,
test,
intf="pg2",
active=0,
passive=0,
timeout=100,
mtu=1024,
datapath="l2",
layer="l2 l3 l4",
):
self._test = test
self._intf = intf
self._active = active
if passive == 0 or passive < active:
self._passive = active + 1
else:
self._passive = passive
self._datapath = datapath # l2 ip4 ip6
self._collect = layer # l2 l3 l4
self._timeout = timeout
self._mtu = mtu
self._configured = False
def add_vpp_config(self):
self.enable_exporter()
l2_flag = 0
l3_flag = 0
l4_flag = 0
if "l2" in self._collect.lower():
l2_flag = VppEnum.vl_api_flowprobe_record_flags_t.FLOWPROBE_RECORD_FLAG_L2
if "l3" in self._collect.lower():
l3_flag = VppEnum.vl_api_flowprobe_record_flags_t.FLOWPROBE_RECORD_FLAG_L3
if "l4" in self._collect.lower():
l4_flag = VppEnum.vl_api_flowprobe_record_flags_t.FLOWPROBE_RECORD_FLAG_L4
self._test.vapi.flowprobe_params(
record_flags=(l2_flag | l3_flag | l4_flag),
active_timer=self._active,
passive_timer=self._passive,
)
self.enable_flowprobe_feature()
self._test.vapi.cli("ipfix flush")
self._configured = True
def remove_vpp_config(self):
self.disable_exporter()
self.disable_flowprobe_feature()
self._test.vapi.cli("ipfix flush")
self._configured = False
def enable_exporter(self):
self._test.vapi.set_ipfix_exporter(
collector_address=self._test.pg0.remote_ip4,
src_address=self._test.pg0.local_ip4,
path_mtu=self._mtu,
template_interval=self._timeout,
)
def enable_flowprobe_feature(self):
self._test.vapi.ppcli(
"flowprobe feature add-del %s %s" % (self._intf, self._datapath)
)
def disable_exporter(self):
self._test.vapi.cli("set ipfix exporter collector 0.0.0.0")
def disable_flowprobe_feature(self):
self._test.vapi.cli(
"flowprobe feature add-del %s %s disable" % (self._intf, self._datapath)
)
def object_id(self):
return "ipfix-collector-%s-%s" % (self._src, self.dst)
def query_vpp_config(self):
return self._configured
def verify_templates(self, decoder=None, timeout=1, count=3):
templates = []
self._test.assertIn(count, (1, 2, 3))
for _ in range(count):
p = self._test.wait_for_cflow_packet(self._test.collector, 2, timeout)
self._test.assertTrue(p.haslayer(IPFIX))
if decoder is not None and p.haslayer(Template):
templates.append(p[Template].templateID)
decoder.add_template(p.getlayer(Template))
return templates
class MethodHolder(VppTestCase):
"""Flow-per-packet plugin: test L2, IP4, IP6 reporting"""
# Test variables
debug_print = False
max_number_of_packets = 10
pkts = []
@classmethod
def setUpClass(cls):
"""
Perform standard class setup (defined by class method setUpClass in
class VppTestCase) before running the test case, set test case related
variables and configure VPP.
"""
super(MethodHolder, cls).setUpClass()
try:
# Create pg interfaces
cls.create_pg_interfaces(range(9))
# Packet sizes
cls.pg_if_packet_sizes = [64, 512, 1518, 9018]
# Create BD with MAC learning and unknown unicast flooding disabled
# and put interfaces to this BD
cls.vapi.bridge_domain_add_del(bd_id=1, uu_flood=1, learn=1)
cls.vapi.sw_interface_set_l2_bridge(
rx_sw_if_index=cls.pg1._sw_if_index, bd_id=1
)
cls.vapi.sw_interface_set_l2_bridge(
rx_sw_if_index=cls.pg2._sw_if_index, bd_id=1
)
# Set up all interfaces
for i in cls.pg_interfaces:
i.admin_up()
cls.pg0.config_ip4()
cls.pg0.configure_ipv4_neighbors()
cls.collector = cls.pg0
cls.pg1.config_ip4()
cls.pg1.resolve_arp()
cls.pg2.config_ip4()
cls.pg2.resolve_arp()
cls.pg3.config_ip4()
cls.pg3.resolve_arp()
cls.pg4.config_ip4()
cls.pg4.resolve_arp()
cls.pg7.config_ip4()
cls.pg8.config_ip4()
cls.pg8.configure_ipv4_neighbors()
cls.pg5.config_ip6()
cls.pg5.resolve_ndp()
cls.pg5.disable_ipv6_ra()
cls.pg6.config_ip6()
cls.pg6.resolve_ndp()
cls.pg6.disable_ipv6_ra()
except Exception:
super(MethodHolder, cls).tearDownClass()
raise
@classmethod
def tearDownClass(cls):
super(MethodHolder, cls).tearDownClass()
def create_stream(
self, src_if=None, dst_if=None, packets=None, size=None, ip_ver="v4"
):
"""Create a packet stream to tickle the plugin
:param VppInterface src_if: Source interface for packet stream
:param VppInterface src_if: Dst interface for packet stream
"""
if src_if is None:
src_if = self.pg1
if dst_if is None:
dst_if = self.pg2
self.pkts = []
if packets is None:
packets = random.randint(1, self.max_number_of_packets)
pkt_size = size
for p in range(0, packets):
if size is None:
pkt_size = random.choice(self.pg_if_packet_sizes)
info = self.create_packet_info(src_if, dst_if)
payload = self.info_to_payload(info)
p = Ether(src=src_if.remote_mac, dst=src_if.local_mac)
if ip_ver == "v4":
p /= IP(src=src_if.remote_ip4, dst=dst_if.remote_ip4)
else:
p /= IPv6(src=src_if.remote_ip6, dst=dst_if.remote_ip6)
p /= UDP(sport=1234, dport=4321)
p /= Raw(payload)
info.data = p.copy()
self.extend_packet(p, pkt_size)
self.pkts.append(p)
def verify_cflow_data(self, decoder, capture, cflow):
octets = 0
packets = 0
for p in capture:
octets += p[IP].len
packets += 1
if cflow.haslayer(Data):
data = decoder.decode_data_set(cflow.getlayer(Set))
for record in data:
self.assertEqual(int(binascii.hexlify(record[1]), 16), octets)
self.assertEqual(int(binascii.hexlify(record[2]), 16), packets)
def send_packets(self, src_if=None, dst_if=None):
if src_if is None:
src_if = self.pg1
if dst_if is None:
dst_if = self.pg2
self.pg_enable_capture([dst_if])
src_if.add_stream(self.pkts)
self.pg_start()
return dst_if.get_capture(len(self.pkts))
def verify_cflow_data_detail(
self, decoder, capture, cflow, data_set={1: "octets", 2: "packets"}, ip_ver="v4"
):
if self.debug_print:
print(capture[0].show())
if cflow.haslayer(Data):
data = decoder.decode_data_set(cflow.getlayer(Set))
if self.debug_print:
print(data)
if ip_ver == "v4":
ip_layer = capture[0][IP]
else:
ip_layer = capture[0][IPv6]
if data_set is not None:
for record in data:
# skip flow if ingress/egress interface is 0
if int(binascii.hexlify(record[10]), 16) == 0:
continue
if int(binascii.hexlify(record[14]), 16) == 0:
continue
for field in data_set:
if field not in record.keys():
continue
value = data_set[field]
if value == "octets":
value = ip_layer.len
if ip_ver == "v6":
value += 40 # ??? is this correct
elif value == "packets":
value = 1
elif value == "src_ip":
if ip_ver == "v4":
ip = socket.inet_pton(socket.AF_INET, ip_layer.src)
else:
ip = socket.inet_pton(socket.AF_INET6, ip_layer.src)
value = int(binascii.hexlify(ip), 16)
elif value == "dst_ip":
if ip_ver == "v4":
ip = socket.inet_pton(socket.AF_INET, ip_layer.dst)
else:
ip = socket.inet_pton(socket.AF_INET6, ip_layer.dst)
value = int(binascii.hexlify(ip), 16)
elif value == "sport":
value = int(capture[0][UDP].sport)
elif value == "dport":
value = int(capture[0][UDP].dport)
self.assertEqual(
int(binascii.hexlify(record[field]), 16), value
)
def verify_cflow_data_notimer(self, decoder, capture, cflows):
idx = 0
for cflow in cflows:
if cflow.haslayer(Data):
data = decoder.decode_data_set(cflow.getlayer(Set))
else:
raise Exception("No CFLOW data")
for rec in data:
p = capture[idx]
idx += 1
self.assertEqual(p[IP].len, int(binascii.hexlify(rec[1]), 16))
self.assertEqual(1, int(binascii.hexlify(rec[2]), 16))
self.assertEqual(len(capture), idx)
def wait_for_cflow_packet(self, collector_intf, set_id=2, timeout=1):
"""wait for CFLOW packet and verify its correctness
:param timeout: how long to wait
"""
self.logger.info("IPFIX: Waiting for CFLOW packet")
# self.logger.debug(self.vapi.ppcli("show flow table"))
p = collector_intf.wait_for_packet(timeout=timeout)
self.assertEqual(p[Set].setID, set_id)
# self.logger.debug(self.vapi.ppcli("show flow table"))
self.logger.debug(ppp("IPFIX: Got packet:", p))
return p
@tag_run_solo
@tag_fixme_vpp_workers
class Flowprobe(MethodHolder):
"""Template verification, timer tests"""
@classmethod
def setUpClass(cls):
super(Flowprobe, cls).setUpClass()
@classmethod
def tearDownClass(cls):
super(Flowprobe, cls).tearDownClass()
def test_0001(self):
"""timer less than template timeout"""
self.logger.info("FFP_TEST_START_0001")
self.pg_enable_capture(self.pg_interfaces)
self.pkts = []
ipfix = VppCFLOW(test=self, active=2)
ipfix.add_vpp_config()
ipfix_decoder = IPFIXDecoder()
# template packet should arrive immediately
templates = ipfix.verify_templates(ipfix_decoder)
self.create_stream(packets=1)
self.send_packets()
capture = self.pg2.get_capture(1)
# make sure the one packet we expect actually showed up
cflow = self.wait_for_cflow_packet(self.collector, templates[1], 15)
self.verify_cflow_data(ipfix_decoder, capture, cflow)
ipfix.remove_vpp_config()
self.logger.info("FFP_TEST_FINISH_0001")
def test_0002(self):
"""timer greater than template timeout"""
self.logger.info("FFP_TEST_START_0002")
self.pg_enable_capture(self.pg_interfaces)
self.pkts = []
ipfix = VppCFLOW(test=self, timeout=3, active=4)
ipfix.add_vpp_config()
ipfix_decoder = IPFIXDecoder()
# template packet should arrive immediately
ipfix.verify_templates()
self.create_stream(packets=2)
self.send_packets()
capture = self.pg2.get_capture(2)
# next set of template packet should arrive after 20 seconds
# template packet should arrive within 20 s
templates = ipfix.verify_templates(ipfix_decoder, timeout=5)
# make sure the one packet we expect actually showed up
cflow = self.wait_for_cflow_packet(self.collector, templates[1], 15)
self.verify_cflow_data(ipfix_decoder, capture, cflow)
ipfix.remove_vpp_config()
self.logger.info("FFP_TEST_FINISH_0002")
def test_cflow_packet(self):
"""verify cflow packet fields"""
self.logger.info("FFP_TEST_START_0000")
self.pg_enable_capture(self.pg_interfaces)
self.pkts = []
ipfix = VppCFLOW(
test=self, intf="pg8", datapath="ip4", layer="l2 l3 l4", active=2
)
ipfix.add_vpp_config()
route_9001 = VppIpRoute(
self,
"9.0.0.0",
24,
[VppRoutePath(self.pg8._remote_hosts[0].ip4, self.pg8.sw_if_index)],
)
route_9001.add_vpp_config()
ipfix_decoder = IPFIXDecoder()
templates = ipfix.verify_templates(ipfix_decoder, count=1)
self.pkts = [
(
Ether(dst=self.pg7.local_mac, src=self.pg7.remote_mac)
/ IP(src=self.pg7.remote_ip4, dst="9.0.0.100")
/ TCP(sport=1234, dport=4321, flags=80)
/ Raw(b"\xa5" * 100)
)
]
nowUTC = int(time.time())
nowUNIX = nowUTC + 2208988800
self.send_packets(src_if=self.pg7, dst_if=self.pg8)
cflow = self.wait_for_cflow_packet(self.collector, templates[0], 10)
self.collector.get_capture(2)
if cflow[0].haslayer(IPFIX):
self.assertEqual(cflow[IPFIX].version, 10)
self.assertEqual(cflow[IPFIX].observationDomainID, 1)
self.assertEqual(cflow[IPFIX].sequenceNumber, 0)
self.assertAlmostEqual(cflow[IPFIX].exportTime, nowUTC, delta=5)
if cflow.haslayer(Data):
record = ipfix_decoder.decode_data_set(cflow[0].getlayer(Set))[0]
# ingress interface
self.assertEqual(int(binascii.hexlify(record[10]), 16), 8)
# egress interface
self.assertEqual(int(binascii.hexlify(record[14]), 16), 9)
# packets
self.assertEqual(int(binascii.hexlify(record[2]), 16), 1)
# src mac
self.assertEqual(mac_ntop(record[56]), self.pg8.local_mac)
# dst mac
self.assertEqual(mac_ntop(record[80]), self.pg8.remote_mac)
flowTimestamp = int(binascii.hexlify(record[156]), 16) >> 32
# flow start timestamp
self.assertAlmostEqual(flowTimestamp, nowUNIX, delta=1)
flowTimestamp = int(binascii.hexlify(record[157]), 16) >> 32
# flow end timestamp
self.assertAlmostEqual(flowTimestamp, nowUNIX, delta=1)
# ethernet type
self.assertEqual(int(binascii.hexlify(record[256]), 16), 8)
# src ip
self.assertEqual(inet_ntop(socket.AF_INET, record[8]), self.pg7.remote_ip4)
# dst ip
self.assertEqual(inet_ntop(socket.AF_INET, record[12]), "9.0.0.100")
# protocol (TCP)
self.assertEqual(int(binascii.hexlify(record[4]), 16), 6)
# src port
self.assertEqual(int(binascii.hexlify(record[7]), 16), 1234)
# dst port
self.assertEqual(int(binascii.hexlify(record[11]), 16), 4321)
# tcp flags
self.assertEqual(int(binascii.hexlify(record[6]), 16), 80)
ipfix.remove_vpp_config()
self.logger.info("FFP_TEST_FINISH_0000")
@tag_fixme_vpp_workers
class Datapath(MethodHolder):
"""collect information on Ethernet, IP4 and IP6 datapath (no timers)"""
@classmethod
def setUpClass(cls):
super(Datapath, cls).setUpClass()
@classmethod
def tearDownClass(cls):
super(Datapath, cls).tearDownClass()
def test_templatesL2(self):
"""verify template on L2 datapath"""
self.logger.info("FFP_TEST_START_0000")
self.pg_enable_capture(self.pg_interfaces)
ipfix = VppCFLOW(test=self, layer="l2")
ipfix.add_vpp_config()
# template packet should arrive immediately
self.vapi.ipfix_flush()
ipfix.verify_templates(timeout=3, count=1)
self.collector.get_capture(1)
ipfix.remove_vpp_config()
self.logger.info("FFP_TEST_FINISH_0000")
def test_L2onL2(self):
"""L2 data on L2 datapath"""
self.logger.info("FFP_TEST_START_0001")
self.pg_enable_capture(self.pg_interfaces)
self.pkts = []
ipfix = VppCFLOW(test=self, layer="l2")
ipfix.add_vpp_config()
ipfix_decoder = IPFIXDecoder()
# template packet should arrive immediately
templates = ipfix.verify_templates(ipfix_decoder, count=1)
self.create_stream(packets=1)
capture = self.send_packets()
# make sure the one packet we expect actually showed up
self.vapi.ipfix_flush()
cflow = self.wait_for_cflow_packet(self.collector, templates[0])
self.verify_cflow_data_detail(
ipfix_decoder, capture, cflow, {2: "packets", 256: 8}
)
self.collector.get_capture(2)
ipfix.remove_vpp_config()
self.logger.info("FFP_TEST_FINISH_0001")
def test_L3onL2(self):
"""L3 data on L2 datapath"""
self.logger.info("FFP_TEST_START_0002")
self.pg_enable_capture(self.pg_interfaces)
self.pkts = []
ipfix = VppCFLOW(test=self, layer="l3")
ipfix.add_vpp_config()
ipfix_decoder = IPFIXDecoder()
# template packet should arrive immediately
templates = ipfix.verify_templates(ipfix_decoder, count=2)
self.create_stream(packets=1)
capture = self.send_packets()
# make sure the one packet we expect actually showed up
self.vapi.ipfix_flush()
cflow = self.wait_for_cflow_packet(self.collector, templates[0])
self.verify_cflow_data_detail(
ipfix_decoder,
capture,
cflow,
{2: "packets", 4: 17, 8: "src_ip", 12: "dst_ip"},
)
self.collector.get_capture(3)
ipfix.remove_vpp_config()
self.logger.info("FFP_TEST_FINISH_0002")
def test_L4onL2(self):
"""L4 data on L2 datapath"""
self.logger.info("FFP_TEST_START_0003")
self.pg_enable_capture(self.pg_interfaces)
self.pkts = []
ipfix = VppCFLOW(test=self, layer="l4")
ipfix.add_vpp_config()
ipfix_decoder = IPFIXDecoder()
# template packet should arrive immediately
templates = ipfix.verify_templates(ipfix_decoder, count=2)
self.create_stream(packets=1)
capture = self.send_packets()
# make sure the one packet we expect actually showed up
self.vapi.ipfix_flush()
cflow = self.wait_for_cflow_packet(self.collector, templates[0])
self.verify_cflow_data_detail(
ipfix_decoder, capture, cflow, {2: "packets", 7: "sport", 11: "dport"}
)
self.collector.get_capture(3)
ipfix.remove_vpp_config()
self.logger.info("FFP_TEST_FINISH_0003")
def test_templatesIp4(self):
"""verify templates on IP4 datapath"""
self.logger.info("FFP_TEST_START_0000")
self.pg_enable_capture(self.pg_interfaces)
ipfix = VppCFLOW(test=self, datapath="ip4")
ipfix.add_vpp_config()
# template packet should arrive immediately
self.vapi.ipfix_flush()
ipfix.verify_templates(timeout=3, count=1)
self.collector.get_capture(1)
ipfix.remove_vpp_config()
self.logger.info("FFP_TEST_FINISH_0000")
def test_L2onIP4(self):
"""L2 data on IP4 datapath"""
self.logger.info("FFP_TEST_START_0001")
self.pg_enable_capture(self.pg_interfaces)
self.pkts = []
ipfix = VppCFLOW(test=self, intf="pg4", layer="l2", datapath="ip4")
ipfix.add_vpp_config()
ipfix_decoder = IPFIXDecoder()
# template packet should arrive immediately
templates = ipfix.verify_templates(ipfix_decoder, count=1)
self.create_stream(src_if=self.pg3, dst_if=self.pg4, packets=1)
capture = self.send_packets(src_if=self.pg3, dst_if=self.pg4)
# make sure the one packet we expect actually showed up
self.vapi.ipfix_flush()
cflow = self.wait_for_cflow_packet(self.collector, templates[0])
self.verify_cflow_data_detail(
ipfix_decoder, capture, cflow, {2: "packets", 256: 8}
)
# expected two templates and one cflow packet
self.collector.get_capture(2)
ipfix.remove_vpp_config()
self.logger.info("FFP_TEST_FINISH_0001")
def test_L3onIP4(self):
"""L3 data on IP4 datapath"""
self.logger.info("FFP_TEST_START_0002")
self.pg_enable_capture(self.pg_interfaces)
self.pkts = []
ipfix = VppCFLOW(test=self, intf="pg4", layer="l3", datapath="ip4")
ipfix.add_vpp_config()
ipfix_decoder = IPFIXDecoder()
# template packet should arrive immediately
templates = ipfix.verify_templates(ipfix_decoder, count=1)
self.create_stream(src_if=self.pg3, dst_if=self.pg4, packets=1)
capture = self.send_packets(src_if=self.pg3, dst_if=self.pg4)
# make sure the one packet we expect actually showed up
self.vapi.ipfix_flush()
cflow = self.wait_for_cflow_packet(self.collector, templates[0])
self.verify_cflow_data_detail(
ipfix_decoder,
capture,
cflow,
{1: "octets", 2: "packets", 8: "src_ip", 12: "dst_ip"},
)
# expected two templates and one cflow packet
self.collector.get_capture(2)
ipfix.remove_vpp_config()
self.logger.info("FFP_TEST_FINISH_0002")
def test_L4onIP4(self):
"""L4 data on IP4 datapath"""
self.logger.info("FFP_TEST_START_0003")
self.pg_enable_capture(self.pg_interfaces)
self.pkts = []
ipfix = VppCFLOW(test=self, intf="pg4", layer="l4", datapath="ip4")
ipfix.add_vpp_config()
ipfix_decoder = IPFIXDecoder()
# template packet should arrive immediately
templates = ipfix.verify_templates(ipfix_decoder, count=1)
self.create_stream(src_if=self.pg3, dst_if=self.pg4, packets=1)
capture = self.send_packets(src_if=self.pg3, dst_if=self.pg4)
# make sure the one packet we expect actually showed up
self.vapi.ipfix_flush()
cflow = self.wait_for_cflow_packet(self.collector, templates[0])
self.verify_cflow_data_detail(
ipfix_decoder, capture, cflow, {2: "packets", 7: "sport", 11: "dport"}
)
# expected two templates and one cflow packet
self.collector.get_capture(2)
ipfix.remove_vpp_config()
self.logger.info("FFP_TEST_FINISH_0003")
def test_templatesIP6(self):
"""verify templates on IP6 datapath"""
self.logger.info("FFP_TEST_START_0000")
self.pg_enable_capture(self.pg_interfaces)
ipfix = VppCFLOW(test=self, datapath="ip6")
ipfix.add_vpp_config()
# template packet should arrive immediately
ipfix.verify_templates(count=1)
self.collector.get_capture(1)
ipfix.remove_vpp_config()
self.logger.info("FFP_TEST_FINISH_0000")
def test_L2onIP6(self):
"""L2 data on IP6 datapath"""
self.logger.info("FFP_TEST_START_0001")
self.pg_enable_capture(self.pg_interfaces)
self.pkts = []
ipfix = VppCFLOW(test=self, intf="pg6", layer="l2", datapath="ip6")
ipfix.add_vpp_config()
ipfix_decoder = IPFIXDecoder()
# template packet should arrive immediately
templates = ipfix.verify_templates(ipfix_decoder, count=1)
self.create_stream(src_if=self.pg5, dst_if=self.pg6, packets=1, ip_ver="IPv6")
capture = self.send_packets(src_if=self.pg5, dst_if=self.pg6)
# make sure the one packet we expect actually showed up
self.vapi.ipfix_flush()
cflow = self.wait_for_cflow_packet(self.collector, templates[0])
self.verify_cflow_data_detail(
ipfix_decoder, capture, cflow, {2: "packets", 256: 56710}, ip_ver="v6"
)
# expected two templates and one cflow packet
self.collector.get_capture(2)
ipfix.remove_vpp_config()
self.logger.info("FFP_TEST_FINISH_0001")
def test_L3onIP6(self):
"""L3 data on IP6 datapath"""
self.logger.info("FFP_TEST_START_0002")
self.pg_enable_capture(self.pg_interfaces)
self.pkts = []
ipfix = VppCFLOW(test=self, intf="pg6", layer="l3", datapath="ip6")
ipfix.add_vpp_config()
ipfix_decoder = IPFIXDecoder()
# template packet should arrive immediately
templates = ipfix.verify_templates(ipfix_decoder, count=1)
self.create_stream(src_if=self.pg5, dst_if=self.pg6, packets=1, ip_ver="IPv6")
capture = self.send_packets(src_if=self.pg5, dst_if=self.pg6)
# make sure the one packet we expect actually showed up
self.vapi.ipfix_flush()
cflow = self.wait_for_cflow_packet(self.collector, templates[0])
self.verify_cflow_data_detail(
ipfix_decoder,
capture,
cflow,
{2: "packets", 27: "src_ip", 28: "dst_ip"},
ip_ver="v6",
)
# expected two templates and one cflow packet
self.collector.get_capture(2)
ipfix.remove_vpp_config()
self.logger.info("FFP_TEST_FINISH_0002")
def test_L4onIP6(self):
"""L4 data on IP6 datapath"""
self.logger.info("FFP_TEST_START_0003")
self.pg_enable_capture(self.pg_interfaces)
self.pkts = []
ipfix = VppCFLOW(test=self, intf="pg6", layer="l4", datapath="ip6")
ipfix.add_vpp_config()
ipfix_decoder = IPFIXDecoder()
# template packet should arrive immediately
templates = ipfix.verify_templates(ipfix_decoder, count=1)
self.create_stream(src_if=self.pg5, dst_if=self.pg6, packets=1, ip_ver="IPv6")
capture = self.send_packets(src_if=self.pg5, dst_if=self.pg6)
# make sure the one packet we expect actually showed up
self.vapi.ipfix_flush()
cflow = self.wait_for_cflow_packet(self.collector, templates[0])
self.verify_cflow_data_detail(
ipfix_decoder,
capture,
cflow,
{2: "packets", 7: "sport", 11: "dport"},
ip_ver="v6",
)
# expected two templates and one cflow packet
self.collector.get_capture(2)
ipfix.remove_vpp_config()
self.logger.info("FFP_TEST_FINISH_0003")
def test_0001(self):
"""no timers, one CFLOW packet, 9 Flows inside"""
self.logger.info("FFP_TEST_START_0001")
self.pg_enable_capture(self.pg_interfaces)
self.pkts = []
ipfix = VppCFLOW(test=self)
ipfix.add_vpp_config()
ipfix_decoder = IPFIXDecoder()
# template packet should arrive immediately
templates = ipfix.verify_templates(ipfix_decoder)
self.create_stream(packets=9)
capture = self.send_packets()
# make sure the one packet we expect actually showed up
self.vapi.ipfix_flush()
cflow = self.wait_for_cflow_packet(self.collector, templates[1])
self.verify_cflow_data_notimer(ipfix_decoder, capture, [cflow])
self.collector.get_capture(4)
ipfix.remove_vpp_config()
self.logger.info("FFP_TEST_FINISH_0001")
def test_0002(self):
"""no timers, two CFLOW packets (mtu=256), 3 Flows in each"""
self.logger.info("FFP_TEST_START_0002")
self.pg_enable_capture(self.pg_interfaces)
self.pkts = []
ipfix = VppCFLOW(test=self, mtu=256)
ipfix.add_vpp_config()
ipfix_decoder = IPFIXDecoder()
# template packet should arrive immediately
self.vapi.ipfix_flush()
templates = ipfix.verify_templates(ipfix_decoder)
self.create_stream(packets=6)
capture = self.send_packets()
# make sure the one packet we expect actually showed up
cflows = []
self.vapi.ipfix_flush()
cflows.append(self.wait_for_cflow_packet(self.collector, templates[1]))
cflows.append(self.wait_for_cflow_packet(self.collector, templates[1]))
self.verify_cflow_data_notimer(ipfix_decoder, capture, cflows)
self.collector.get_capture(5)
ipfix.remove_vpp_config()
self.logger.info("FFP_TEST_FINISH_0002")
@unittest.skipUnless(config.extended, "part of extended tests")
class DisableIPFIX(MethodHolder):
"""Disable IPFIX"""
@classmethod
def setUpClass(cls):
super(DisableIPFIX, cls).setUpClass()
@classmethod
def tearDownClass(cls):
super(DisableIPFIX, cls).tearDownClass()
def test_0001(self):
"""disable IPFIX after first packets"""
self.logger.info("FFP_TEST_START_0001")
self.pg_enable_capture(self.pg_interfaces)
self.pkts = []
ipfix = VppCFLOW(test=self)
ipfix.add_vpp_config()
ipfix_decoder = IPFIXDecoder()
# template packet should arrive immediately
templates = ipfix.verify_templates(ipfix_decoder)
self.create_stream()
self.send_packets()
# make sure the one packet we expect actually showed up
self.vapi.ipfix_flush()
self.wait_for_cflow_packet(self.collector, templates[1])
self.collector.get_capture(4)
# disable IPFIX
ipfix.disable_exporter()
self.pg_enable_capture([self.collector])
self.send_packets()
# make sure no one packet arrived in 1 minute
self.vapi.ipfix_flush()
self.sleep(1, "wait before verifying no packets sent")
self.collector.assert_nothing_captured()
ipfix.remove_vpp_config()
self.logger.info("FFP_TEST_FINISH_0001")
@unittest.skipUnless(config.extended, "part of extended tests")
class ReenableIPFIX(MethodHolder):
"""Re-enable IPFIX"""
@classmethod
def setUpClass(cls):
super(ReenableIPFIX, cls).setUpClass()
@classmethod
def tearDownClass(cls):
super(ReenableIPFIX, cls).tearDownClass()
def test_0011(self):
"""disable IPFIX after first packets and re-enable after few packets"""
self.logger.info("FFP_TEST_START_0001")
self.pg_enable_capture(self.pg_interfaces)
self.pkts = []
ipfix = VppCFLOW(test=self)
ipfix.add_vpp_config()
ipfix_decoder = IPFIXDecoder()
# template packet should arrive immediately
templates = ipfix.verify_templates(ipfix_decoder)
self.create_stream(packets=5)
self.send_packets()
# make sure the one packet we expect actually showed up
self.vapi.ipfix_flush()
self.wait_for_cflow_packet(self.collector, templates[1])
self.collector.get_capture(4)
# disable IPFIX
ipfix.disable_exporter()
self.vapi.ipfix_flush()
self.pg_enable_capture([self.collector])
self.send_packets()
# make sure no one packet arrived in active timer span
self.vapi.ipfix_flush()
self.sleep(1, "wait before verifying no packets sent")
self.collector.assert_nothing_captured()
self.pg2.get_capture(5)
# enable IPFIX
ipfix.enable_exporter()
capture = self.collector.get_capture(4)
nr_templates = 0
nr_data = 0
for p in capture:
self.assertTrue(p.haslayer(IPFIX))
if p.haslayer(Template):
nr_templates += 1
self.assertTrue(nr_templates, 3)
for p in capture:
self.assertTrue(p.haslayer(IPFIX))
if p.haslayer(Data):
nr_data += 1
self.assertTrue(nr_templates, 1)
ipfix.remove_vpp_config()
self.logger.info("FFP_TEST_FINISH_0001")
@unittest.skipUnless(config.extended, "part of extended tests")
class DisableFP(MethodHolder):
"""Disable Flowprobe feature"""
@classmethod
def setUpClass(cls):
super(DisableFP, cls).setUpClass()
@classmethod
def tearDownClass(cls):
super(DisableFP, cls).tearDownClass()
def test_0001(self):
"""disable flowprobe feature after first packets"""
self.logger.info("FFP_TEST_START_0001")
self.pg_enable_capture(self.pg_interfaces)
self.pkts = []
ipfix = VppCFLOW(test=self)
ipfix.add_vpp_config()
ipfix_decoder = IPFIXDecoder()
# template packet should arrive immediately
templates = ipfix.verify_templates(ipfix_decoder)
self.create_stream()
self.send_packets()
# make sure the one packet we expect actually showed up
self.vapi.ipfix_flush()
self.wait_for_cflow_packet(self.collector, templates[1])
self.collector.get_capture(4)
# disable IPFIX
ipfix.disable_flowprobe_feature()
self.pg_enable_capture([self.collector])
self.send_packets()
# make sure no one packet arrived in active timer span
self.vapi.ipfix_flush()
self.sleep(1, "wait before verifying no packets sent")
self.collector.assert_nothing_captured()
ipfix.remove_vpp_config()
self.logger.info("FFP_TEST_FINISH_0001")
@unittest.skipUnless(config.extended, "part of extended tests")
class ReenableFP(MethodHolder):
"""Re-enable Flowprobe feature"""
@classmethod
def setUpClass(cls):
super(ReenableFP, cls).setUpClass()
@classmethod
def tearDownClass(cls):
super(ReenableFP, cls).tearDownClass()
def test_0001(self):
"""disable flowprobe feature after first packets and re-enable
after few packets"""
self.logger.info("FFP_TEST_START_0001")
self.pg_enable_capture(self.pg_interfaces)
self.pkts = []
ipfix = VppCFLOW(test=self)
ipfix.add_vpp_config()
ipfix_decoder = IPFIXDecoder()
# template packet should arrive immediately
self.vapi.ipfix_flush()
templates = ipfix.verify_templates(ipfix_decoder, timeout=3)
self.create_stream()
self.send_packets()
# make sure the one packet we expect actually showed up
self.vapi.ipfix_flush()
self.wait_for_cflow_packet(self.collector, templates[1], 5)
self.collector.get_capture(4)
# disable FPP feature
ipfix.disable_flowprobe_feature()
self.pg_enable_capture([self.collector])
self.send_packets()
# make sure no one packet arrived in active timer span
self.vapi.ipfix_flush()
self.sleep(5, "wait before verifying no packets sent")
self.collector.assert_nothing_captured()
# enable FPP feature
ipfix.enable_flowprobe_feature()
self.vapi.ipfix_flush()
templates = ipfix.verify_templates(ipfix_decoder, timeout=3)
self.send_packets()
# make sure the next packets (templates and data) we expect actually
# showed up
self.vapi.ipfix_flush()
self.wait_for_cflow_packet(self.collector, templates[1], 5)
self.collector.get_capture(4)
ipfix.remove_vpp_config()
self.logger.info("FFP_TEST_FINISH_0001")
if __name__ == "__main__":
unittest.main(testRunner=VppTestRunner)
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