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Diffstat (limited to 'test/test_flowprobe.py')
| -rw-r--r-- | test/test_flowprobe.py | 1021 |
1 files changed, 1021 insertions, 0 deletions
diff --git a/test/test_flowprobe.py b/test/test_flowprobe.py new file mode 100644 index 00000000..df6b4230 --- /dev/null +++ b/test/test_flowprobe.py @@ -0,0 +1,1021 @@ +#!/usr/bin/env python +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 framework import VppTestCase, VppTestRunner, running_extended_tests +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 + + +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() + self._test.vapi.ppcli("flowprobe params record %s active %s " + "passive %s" % (self._collect, self._active, + 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_ip4n, + src_address=self._test.pg0.local_ip4n, + 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" % (self._src, self.dst) + + def query_vpp_config(self): + return self._configured + + def verify_templates(self, decoder=None, timeout=1, count=3): + templates = [] + 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)) + if count > 1: + p = self._test.wait_for_cflow_packet(self._test.collector, 2) + 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)) + if count > 2: + p = self._test.wait_for_cflow_packet(self._test.collector, 2) + 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(cls.pg1._sw_if_index, bd_id=1) + cls.vapi.sw_interface_set_l2_bridge(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 + + 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(record[1].encode('hex'), 16), octets) + self.assertEqual(int(record[2].encode('hex'), 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 in/out gress interface is 0 + if int(record[10].encode('hex'), 16) == 0: + continue + if int(record[14].encode('hex'), 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(ip.encode('hex'), 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(ip.encode('hex'), 16) + elif value == 'sport': + value = int(capture[0][UDP].sport) + elif value == 'dport': + value = int(capture[0][UDP].dport) + self.assertEqual(int(record[field].encode('hex'), 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(rec[1].encode('hex'), 16)) + self.assertEqual(1, int(rec[2].encode('hex'), 16)) + self.assertEqual(len(capture), idx) + + def wait_for_cflow_packet(self, collector_intf, set_id=2, timeout=1, + expected=True): + """ wait for CFLOW packet and verify its correctness + + :param timeout: how long to wait + + :returns: tuple (packet, time spent waiting for packet) + """ + self.logger.info("IPFIX: Waiting for CFLOW packet") + deadline = time.time() + timeout + counter = 0 + # self.logger.debug(self.vapi.ppcli("show flow table")) + while True: + counter += 1 + # sanity check + self.assert_in_range(counter, 0, 100, "number of packets ignored") + time_left = deadline - time.time() + try: + if time_left < 0 and expected: + # self.logger.debug(self.vapi.ppcli("show flow table")) + raise CaptureTimeoutError( + "Packet did not arrive within timeout") + p = collector_intf.wait_for_packet(timeout=time_left) + except CaptureTimeoutError: + if expected: + # self.logger.debug(self.vapi.ppcli("show flow table")) + raise CaptureTimeoutError( + "Packet did not arrive within timeout") + else: + return + if not expected: + raise CaptureTimeoutError("Packet arrived even not expected") + self.assertEqual(p[Set].setID, set_id) + # self.logger.debug(self.vapi.ppcli("show flow table")) + self.logger.debug(ppp("IPFIX: Got packet:", p)) + break + return p + + +class Flowprobe(MethodHolder): + """Template verification, timer tests""" + + 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('\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(record[10].encode('hex'), 16), 8) + # egress interface + self.assertEqual(int(record[14].encode('hex'), 16), 9) + # packets + self.assertEqual(int(record[2].encode('hex'), 16), 1) + # src mac + self.assertEqual(':'.join(re.findall('..', record[56].encode( + 'hex'))), self.pg8.local_mac) + # dst mac + self.assertEqual(':'.join(re.findall('..', record[80].encode( + 'hex'))), self.pg8.remote_mac) + flowTimestamp = int(record[156].encode('hex'), 16) >> 32 + # flow start timestamp + self.assertAlmostEqual(flowTimestamp, nowUNIX, delta=1) + flowTimestamp = int(record[157].encode('hex'), 16) >> 32 + # flow end timestamp + self.assertAlmostEqual(flowTimestamp, nowUNIX, delta=1) + # ethernet type + self.assertEqual(int(record[256].encode('hex'), 16), 8) + # src ip + self.assertEqual('.'.join(re.findall('..', record[8].encode( + 'hex'))), + '.'.join('{:02x}'.format(int(n)) for n in + self.pg7.remote_ip4.split('.'))) + # dst ip + self.assertEqual('.'.join(re.findall('..', record[12].encode( + 'hex'))), + '.'.join('{:02x}'.format(int(n)) for n in + "9.0.0.100".split('.'))) + # protocol (TCP) + self.assertEqual(int(record[4].encode('hex'), 16), 6) + # src port + self.assertEqual(int(record[7].encode('hex'), 16), 1234) + # dst port + self.assertEqual(int(record[11].encode('hex'), 16), 4321) + # tcp flags + self.assertEqual(int(record[6].encode('hex'), 16), 80) + + ipfix.remove_vpp_config() + self.logger.info("FFP_TEST_FINISH_0000") + + +class Datapath(MethodHolder): + """collect information on Ethernet, IP4 and IP6 datapath (no timers)""" + + 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.cli("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.cli("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.cli("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.cli("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.cli("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.cli("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.cli("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.cli("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.cli("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.cli("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.cli("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.cli("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.cli("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.cli("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(running_extended_tests(), "part of extended tests") +class DisableIPFIX(MethodHolder): + """Disable IPFIX""" + + 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.cli("ipfix flush") + self.wait_for_cflow_packet(self.collector, templates[1]) + self.collector.get_capture(4) + + # disble IPFIX + ipfix.disable_exporter() + self.pg_enable_capture([self.collector]) + + self.send_packets() + + # make sure no one packet arrived in 1 minute + self.vapi.cli("ipfix flush") + self.wait_for_cflow_packet(self.collector, templates[1], + expected=False) + self.collector.get_capture(0) + + ipfix.remove_vpp_config() + self.logger.info("FFP_TEST_FINISH_0001") + + +@unittest.skipUnless(running_extended_tests(), "part of extended tests") +class ReenableIPFIX(MethodHolder): + """Re-enable IPFIX""" + + 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.cli("ipfix flush") + self.wait_for_cflow_packet(self.collector, templates[1]) + self.collector.get_capture(4) + + # disble IPFIX + ipfix.disable_exporter() + self.vapi.cli("ipfix flush") + self.pg_enable_capture([self.collector]) + + self.send_packets() + + # make sure no one packet arrived in active timer span + self.vapi.cli("ipfix flush") + self.wait_for_cflow_packet(self.collector, templates[1], + expected=False) + self.collector.get_capture(0) + 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(running_extended_tests(), "part of extended tests") +class DisableFP(MethodHolder): + """Disable Flowprobe feature""" + + 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.cli("ipfix flush") + self.wait_for_cflow_packet(self.collector, templates[1]) + self.collector.get_capture(4) + + # disble 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.cli("ipfix flush") + self.wait_for_cflow_packet(self.collector, templates[1], + expected=False) + self.collector.get_capture(0) + + ipfix.remove_vpp_config() + self.logger.info("FFP_TEST_FINISH_0001") + + +@unittest.skipUnless(running_extended_tests(), "part of extended tests") +class ReenableFP(MethodHolder): + """Re-enable Flowprobe feature""" + + 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.cli("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.cli("ipfix flush") + self.wait_for_cflow_packet(self.collector, templates[1], 5) + self.collector.get_capture(4) + + # disble 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.cli("ipfix flush") + self.wait_for_cflow_packet(self.collector, templates[1], 5, + expected=False) + self.collector.get_capture(0) + + # enable FPP feature + ipfix.enable_flowprobe_feature() + self.vapi.cli("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.cli("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) |