#!/usr/bin/env python import random import socket import unittest import time from scapy.packet import Raw from scapy.layers.l2 import Ether from scapy.layers.inet import IP, 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 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(7)) # 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.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) / 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 Timers(MethodHolder): """Template verification, timer tests""" def test_0001(self): """ timer less than template timeout""" self.logger.info("FFP_TEST_START_0002") 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=2) self.send_packets() capture = self.pg2.get_capture(2) # 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_0002(self): """ timer greater than template timeout""" self.logger.info("FFP_TEST_START_0003") 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_0003") 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)