X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Ftest_bfd.py;h=5460a2b558952a096bdc7e2a90224506d66aa277;hb=73ee23cecbe2806569132de64f6680297544cbe9;hp=ce0cca555168974e464034f1154aaf3b64658ef3;hpb=239790fd91b3f62e5eda1042a97f9216fe59856e;p=vpp.git diff --git a/test/test_bfd.py b/test/test_bfd.py index ce0cca55516..5460a2b5589 100644 --- a/test/test_bfd.py +++ b/test/test_bfd.py @@ -6,17 +6,19 @@ import unittest import hashlib import binascii import time +from struct import pack, unpack from random import randint, shuffle, getrandbits -from socket import AF_INET, AF_INET6 +from socket import AF_INET, AF_INET6, inet_ntop from scapy.packet import Raw from scapy.layers.l2 import Ether from scapy.layers.inet import UDP, IP from scapy.layers.inet6 import IPv6 from bfd import VppBFDAuthKey, BFD, BFDAuthType, VppBFDUDPSession, \ BFDDiagCode, BFDState, BFD_vpp_echo -from framework import VppTestCase, VppTestRunner +from framework import VppTestCase, VppTestRunner, running_extended_tests from vpp_pg_interface import CaptureTimeoutError from util import ppp +from vpp_papi_provider import UnexpectedApiReturnValueError USEC_IN_SEC = 1000000 @@ -38,6 +40,7 @@ class AuthKeyFactory(object): conf_key_id=conf_key_id, key=key) +@unittest.skipUnless(running_extended_tests(), "part of extended tests") class BFDAPITestCase(VppTestCase): """Bidirectional Forwarding Detection (BFD) - API""" @@ -461,19 +464,25 @@ def bfd_session_up(test): test.vpp_clock_offset) if old_offset: test.assertAlmostEqual( - old_offset, test.vpp_clock_offset, delta=0.1, + old_offset, test.vpp_clock_offset, delta=0.5, msg="vpp clock offset not stable (new: %s, old: %s)" % (test.vpp_clock_offset, old_offset)) test.logger.info("BFD: Sending Init") test.test_session.update(my_discriminator=randint(0, 40000000), your_discriminator=p[BFD].my_discriminator, state=BFDState.init) + if test.test_session.sha1_key and test.test_session.sha1_key.auth_type == \ + BFDAuthType.meticulous_keyed_sha1: + test.test_session.inc_seq_num() test.test_session.send_packet() test.logger.info("BFD: Waiting for event") e = test.vapi.wait_for_event(1, "bfd_udp_session_details") verify_event(test, e, expected_state=BFDState.up) test.logger.info("BFD: Session is Up") test.test_session.update(state=BFDState.up) + if test.test_session.sha1_key and test.test_session.sha1_key.auth_type == \ + BFDAuthType.meticulous_keyed_sha1: + test.test_session.inc_seq_num() test.test_session.send_packet() test.assert_equal(test.vpp_session.state, BFDState.up, BFDState) @@ -482,6 +491,9 @@ def bfd_session_down(test): """ Bring BFD session down """ test.assert_equal(test.vpp_session.state, BFDState.up, BFDState) test.test_session.update(state=BFDState.down) + if test.test_session.sha1_key and test.test_session.sha1_key.auth_type == \ + BFDAuthType.meticulous_keyed_sha1: + test.test_session.inc_seq_num() test.test_session.send_packet() test.logger.info("BFD: Waiting for event") e = test.vapi.wait_for_event(1, "bfd_udp_session_details") @@ -490,6 +502,30 @@ def bfd_session_down(test): test.assert_equal(test.vpp_session.state, BFDState.down, BFDState) +def verify_bfd_session_config(test, session, state=None): + dump = session.get_bfd_udp_session_dump_entry() + test.assertIsNotNone(dump) + # since dump is not none, we have verified that sw_if_index and addresses + # are valid (in get_bfd_udp_session_dump_entry) + if state: + test.assert_equal(dump.state, state, "session state") + test.assert_equal(dump.required_min_rx, session.required_min_rx, + "required min rx interval") + test.assert_equal(dump.desired_min_tx, session.desired_min_tx, + "desired min tx interval") + test.assert_equal(dump.detect_mult, session.detect_mult, + "detect multiplier") + if session.sha1_key is None: + test.assert_equal(dump.is_authenticated, 0, "is_authenticated flag") + else: + test.assert_equal(dump.is_authenticated, 1, "is_authenticated flag") + test.assert_equal(dump.bfd_key_id, session.bfd_key_id, + "bfd key id") + test.assert_equal(dump.conf_key_id, + session.sha1_key.conf_key_id, + "config key id") + + def verify_ip(test, packet): """ Verify correctness of IP layer. """ if test.vpp_session.af == AF_INET6: @@ -626,11 +662,38 @@ class BFD4TestCase(VppTestCase): """ bring BFD session up """ bfd_session_up(self) + def test_session_up_by_ip(self): + """ bring BFD session up - first frame looked up by address pair """ + self.logger.info("BFD: Sending Slow control frame") + self.test_session.update(my_discriminator=randint(0, 40000000)) + self.test_session.send_packet() + self.pg0.enable_capture() + p = self.pg0.wait_for_packet(1) + self.assert_equal(p[BFD].your_discriminator, + self.test_session.my_discriminator, + "BFD - your discriminator") + self.assert_equal(p[BFD].state, BFDState.init, BFDState) + self.test_session.update(your_discriminator=p[BFD].my_discriminator, + state=BFDState.up) + self.logger.info("BFD: Waiting for event") + e = self.vapi.wait_for_event(1, "bfd_udp_session_details") + verify_event(self, e, expected_state=BFDState.init) + self.logger.info("BFD: Sending Up") + self.test_session.send_packet() + self.logger.info("BFD: Waiting for event") + e = self.vapi.wait_for_event(1, "bfd_udp_session_details") + verify_event(self, e, expected_state=BFDState.up) + self.logger.info("BFD: Session is Up") + self.test_session.update(state=BFDState.up) + self.test_session.send_packet() + self.assert_equal(self.vpp_session.state, BFDState.up, BFDState) + def test_session_down(self): """ bring BFD session down """ bfd_session_up(self) bfd_session_down(self) + @unittest.skipUnless(running_extended_tests(), "part of extended tests") def test_hold_up(self): """ hold BFD session up """ bfd_session_up(self) @@ -640,6 +703,7 @@ class BFD4TestCase(VppTestCase): self.assert_equal(len(self.vapi.collect_events()), 0, "number of bfd events") + @unittest.skipUnless(running_extended_tests(), "part of extended tests") def test_slow_timer(self): """ verify slow periodic control frames while session down """ packet_count = 3 @@ -654,6 +718,7 @@ class BFD4TestCase(VppTestCase): time_diff, 0.70, 1.05, "time between slow packets") prev_packet = next_packet + @unittest.skipUnless(running_extended_tests(), "part of extended tests") def test_zero_remote_min_rx(self): """ no packets when zero remote required min rx interval """ bfd_session_up(self) @@ -678,6 +743,7 @@ class BFD4TestCase(VppTestCase): self.assert_equal( len(self.vapi.collect_events()), 0, "number of bfd events") + @unittest.skipUnless(running_extended_tests(), "part of extended tests") def test_conn_down(self): """ verify session goes down after inactivity """ bfd_session_up(self) @@ -687,6 +753,7 @@ class BFD4TestCase(VppTestCase): e = self.vapi.wait_for_event(1, "bfd_udp_session_details") verify_event(self, e, expected_state=BFDState.down) + @unittest.skipUnless(running_extended_tests(), "part of extended tests") def test_large_required_min_rx(self): """ large remote required min rx interval """ bfd_session_up(self) @@ -716,6 +783,7 @@ class BFD4TestCase(VppTestCase): break self.assert_equal(count, 0, "number of packets received") + @unittest.skipUnless(running_extended_tests(), "part of extended tests") def test_immediate_remote_min_rx_reduction(self): """ immediately honor remote required min rx reduction """ self.vpp_session.remove_vpp_config() @@ -748,6 +816,7 @@ class BFD4TestCase(VppTestCase): "time between BFD packets") reference_packet = p + @unittest.skipUnless(running_extended_tests(), "part of extended tests") def test_modify_req_min_rx_double(self): """ modify session - double required min rx """ bfd_session_up(self) @@ -777,6 +846,7 @@ class BFD4TestCase(VppTestCase): self.assert_in_range(time_to_event, .9 * timeout, 1.1 * timeout, "session timeout") + @unittest.skipUnless(running_extended_tests(), "part of extended tests") def test_modify_req_min_rx_halve(self): """ modify session - halve required min rx """ self.vpp_session.modify_parameters( @@ -817,6 +887,7 @@ class BFD4TestCase(VppTestCase): "time before bfd session goes down") verify_event(self, e, expected_state=BFDState.down) + @unittest.skipUnless(running_extended_tests(), "part of extended tests") def test_modify_detect_mult(self): """ modify detect multiplier """ bfd_session_up(self) @@ -840,6 +911,7 @@ class BFD4TestCase(VppTestCase): self.assertNotIn("P", p.sprintf("%BFD.flags%"), "Poll bit not set in BFD packet") + @unittest.skipUnless(running_extended_tests(), "part of extended tests") def test_queued_poll(self): """ test poll sequence queueing """ bfd_session_up(self) @@ -905,6 +977,18 @@ class BFD4TestCase(VppTestCase): self.assertNotIn("P", p.sprintf("%BFD.flags%"), "Poll bit set in BFD packet") + @unittest.skipUnless(running_extended_tests(), "part of extended tests") + def test_poll_response(self): + """ test correct response to control frame with poll bit set """ + bfd_session_up(self) + poll = self.test_session.create_packet() + poll[BFD].flags = "P" + self.test_session.send_packet(poll) + final = wait_for_bfd_packet( + self, pcap_time_min=time.time() - self.vpp_clock_offset) + self.assertIn("F", final.sprintf("%BFD.flags%")) + + @unittest.skipUnless(running_extended_tests(), "part of extended tests") def test_no_periodic_if_remote_demand(self): """ no periodic frames outside poll sequence if remote demand set """ bfd_session_up(self) @@ -1022,6 +1106,7 @@ class BFD4TestCase(VppTestCase): "number of bfd events") self.test_session.send_packet() + @unittest.skipUnless(running_extended_tests(), "part of extended tests") def test_echo_fail(self): """ session goes down if echo function fails """ bfd_session_up(self) @@ -1061,6 +1146,7 @@ class BFD4TestCase(VppTestCase): self.assert_equal(events[0].state, BFDState.down, BFDState) self.assertTrue(verified_diag, "Incorrect diagnostics code received") + @unittest.skipUnless(running_extended_tests(), "part of extended tests") def test_echo_stop(self): """ echo function stops if peer sets required min echo rx zero """ bfd_session_up(self) @@ -1091,6 +1177,38 @@ class BFD4TestCase(VppTestCase): events = self.vapi.collect_events() self.assert_equal(len(events), 0, "number of bfd events") + @unittest.skipUnless(running_extended_tests(), "part of extended tests") + def test_echo_source_removed(self): + """ echo function stops if echo source is removed """ + bfd_session_up(self) + self.test_session.update(required_min_echo_rx=50000) + self.test_session.send_packet() + self.vapi.bfd_udp_set_echo_source(self.loopback0.sw_if_index) + # wait for first echo packet + while True: + p = self.pg0.wait_for_packet(1) + self.logger.debug(ppp("Got packet:", p)) + if p[UDP].dport == BFD.udp_dport_echo: + self.logger.debug(ppp("Looping back packet:", p)) + self.pg0.add_stream(p) + self.pg_start() + break + elif p.haslayer(BFD): + # ignore BFD + pass + else: + raise Exception(ppp("Received unknown packet:", p)) + self.vapi.bfd_udp_del_echo_source() + self.test_session.send_packet() + # echo packets shouldn't arrive anymore + for dummy in range(5): + wait_for_bfd_packet( + self, pcap_time_min=time.time() - self.vpp_clock_offset) + self.test_session.send_packet() + events = self.vapi.collect_events() + self.assert_equal(len(events), 0, "number of bfd events") + + @unittest.skipUnless(running_extended_tests(), "part of extended tests") def test_stale_echo(self): """ stale echo packets don't keep a session up """ bfd_session_up(self) @@ -1142,6 +1260,7 @@ class BFD4TestCase(VppTestCase): self.test_session.send_packet() self.assertTrue(timeout_ok, "Expected timeout event didn't occur") + @unittest.skipUnless(running_extended_tests(), "part of extended tests") def test_invalid_echo_checksum(self): """ echo packets with invalid checksum don't keep a session up """ bfd_session_up(self) @@ -1190,6 +1309,7 @@ class BFD4TestCase(VppTestCase): self.test_session.send_packet() self.assertTrue(timeout_ok, "Expected timeout event didn't occur") + @unittest.skipUnless(running_extended_tests(), "part of extended tests") def test_admin_up_down(self): """ put session admin-up and admin-down """ bfd_session_up(self) @@ -1199,31 +1319,35 @@ class BFD4TestCase(VppTestCase): verify_event(self, e, expected_state=BFDState.admin_down) for dummy in range(2): p = wait_for_bfd_packet(self) - self.assert_equal(BFDState.admin_down, p[BFD].state, BFDState) + self.assert_equal(p[BFD].state, BFDState.admin_down, BFDState) # try to bring session up - shouldn't be possible self.test_session.update(state=BFDState.init) self.test_session.send_packet() for dummy in range(2): p = wait_for_bfd_packet(self) - self.assert_equal(BFDState.admin_down, p[BFD].state, BFDState) + self.assert_equal(p[BFD].state, BFDState.admin_down, BFDState) self.vpp_session.admin_up() self.test_session.update(state=BFDState.down) e = self.vapi.wait_for_event(1, "bfd_udp_session_details") verify_event(self, e, expected_state=BFDState.down) - p = wait_for_bfd_packet(self) - self.assert_equal(BFDState.down, p[BFD].state, BFDState) + p = wait_for_bfd_packet( + self, pcap_time_min=time.time() - self.vpp_clock_offset) + self.assert_equal(p[BFD].state, BFDState.down, BFDState) self.test_session.send_packet() - p = wait_for_bfd_packet(self) - self.assert_equal(BFDState.init, p[BFD].state, BFDState) + p = wait_for_bfd_packet( + self, pcap_time_min=time.time() - self.vpp_clock_offset) + self.assert_equal(p[BFD].state, BFDState.init, BFDState) e = self.vapi.wait_for_event(1, "bfd_udp_session_details") verify_event(self, e, expected_state=BFDState.init) self.test_session.update(state=BFDState.up) self.test_session.send_packet() - p = wait_for_bfd_packet(self) - self.assert_equal(BFDState.up, p[BFD].state, BFDState) + p = wait_for_bfd_packet( + self, pcap_time_min=time.time() - self.vpp_clock_offset) + self.assert_equal(p[BFD].state, BFDState.up, BFDState) e = self.vapi.wait_for_event(1, "bfd_udp_session_details") verify_event(self, e, expected_state=BFDState.up) + @unittest.skipUnless(running_extended_tests(), "part of extended tests") def test_config_change_remote_demand(self): """ configuration change while peer in demand mode """ bfd_session_up(self) @@ -1232,7 +1356,8 @@ class BFD4TestCase(VppTestCase): self.test_session.send_packet(demand) self.vpp_session.modify_parameters( required_min_rx=2 * self.vpp_session.required_min_rx) - p = wait_for_bfd_packet(self) + p = wait_for_bfd_packet( + self, pcap_time_min=time.time() - self.vpp_clock_offset) # poll bit must be set self.assertIn("P", p.sprintf("%BFD.flags%"), "Poll bit not set") # terminate poll sequence @@ -1314,6 +1439,33 @@ class BFD6TestCase(VppTestCase): """ bring BFD session up """ bfd_session_up(self) + def test_session_up_by_ip(self): + """ bring BFD session up - first frame looked up by address pair """ + self.logger.info("BFD: Sending Slow control frame") + self.test_session.update(my_discriminator=randint(0, 40000000)) + self.test_session.send_packet() + self.pg0.enable_capture() + p = self.pg0.wait_for_packet(1) + self.assert_equal(p[BFD].your_discriminator, + self.test_session.my_discriminator, + "BFD - your discriminator") + self.assert_equal(p[BFD].state, BFDState.init, BFDState) + self.test_session.update(your_discriminator=p[BFD].my_discriminator, + state=BFDState.up) + self.logger.info("BFD: Waiting for event") + e = self.vapi.wait_for_event(1, "bfd_udp_session_details") + verify_event(self, e, expected_state=BFDState.init) + self.logger.info("BFD: Sending Up") + self.test_session.send_packet() + self.logger.info("BFD: Waiting for event") + e = self.vapi.wait_for_event(1, "bfd_udp_session_details") + verify_event(self, e, expected_state=BFDState.up) + self.logger.info("BFD: Session is Up") + self.test_session.update(state=BFDState.up) + self.test_session.send_packet() + self.assert_equal(self.vpp_session.state, BFDState.up, BFDState) + + @unittest.skipUnless(running_extended_tests(), "part of extended tests") def test_hold_up(self): """ hold BFD session up """ bfd_session_up(self) @@ -1371,6 +1523,7 @@ class BFD6TestCase(VppTestCase): self.assert_equal(udp_sport_tx, udp_sport_rx, "UDP source port (== " "ECHO packet identifier for test purposes)") + @unittest.skipUnless(running_extended_tests(), "part of extended tests") def test_echo(self): """ echo function used """ bfd_session_up(self) @@ -1465,6 +1618,7 @@ class BFDSHA1TestCase(VppTestCase): bfd_key_id=self.vpp_session.bfd_key_id) bfd_session_up(self) + @unittest.skipUnless(running_extended_tests(), "part of extended tests") def test_hold_up(self): """ hold BFD session up """ key = self.factory.create_random_key(self) @@ -1483,6 +1637,7 @@ class BFDSHA1TestCase(VppTestCase): self.test_session.send_packet() self.assert_equal(self.vpp_session.state, BFDState.up, BFDState) + @unittest.skipUnless(running_extended_tests(), "part of extended tests") def test_hold_up_meticulous(self): """ hold BFD session up - meticulous auth """ key = self.factory.create_random_key( @@ -1504,6 +1659,7 @@ class BFDSHA1TestCase(VppTestCase): self.test_session.send_packet() self.assert_equal(self.vpp_session.state, BFDState.up, BFDState) + @unittest.skipUnless(running_extended_tests(), "part of extended tests") def test_send_bad_seq_number(self): """ session is not kept alive by msgs with bad sequence numbers""" key = self.factory.create_random_key( @@ -1512,7 +1668,6 @@ class BFDSHA1TestCase(VppTestCase): self.vpp_session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4, sha1_key=key) self.vpp_session.add_vpp_config() - self.vpp_session.admin_up() self.test_session = BFDTestSession( self, self.pg0, AF_INET, sha1_key=key, bfd_key_id=self.vpp_session.bfd_key_id) @@ -1547,7 +1702,6 @@ class BFDSHA1TestCase(VppTestCase): self.vpp_session = vpp_bfd_udp_session self.vpp_session.add_vpp_config() - self.vpp_session.admin_up() self.test_session = legitimate_test_session # bring vpp session up bfd_session_up(self) @@ -1568,6 +1722,7 @@ class BFDSHA1TestCase(VppTestCase): wait_for_bfd_packet(self) self.assert_equal(self.vpp_session.state, BFDState.up, BFDState) + @unittest.skipUnless(running_extended_tests(), "part of extended tests") def test_mismatch_auth(self): """ session is not brought down by unauthenticated msg """ key = self.factory.create_random_key(self) @@ -1582,6 +1737,7 @@ class BFDSHA1TestCase(VppTestCase): legitimate_test_session, rogue_test_session) + @unittest.skipUnless(running_extended_tests(), "part of extended tests") def test_mismatch_bfd_key_id(self): """ session is not brought down by msg with non-existent key-id """ key = self.factory.create_random_key(self) @@ -1601,6 +1757,7 @@ class BFDSHA1TestCase(VppTestCase): legitimate_test_session, rogue_test_session) + @unittest.skipUnless(running_extended_tests(), "part of extended tests") def test_mismatched_auth_type(self): """ session is not brought down by msg with wrong auth type """ key = self.factory.create_random_key(self) @@ -1617,6 +1774,7 @@ class BFDSHA1TestCase(VppTestCase): vpp_session, legitimate_test_session, rogue_test_session, {'auth_type': BFDAuthType.keyed_md5}) + @unittest.skipUnless(running_extended_tests(), "part of extended tests") def test_restart(self): """ simulate remote peer restart and resynchronization """ key = self.factory.create_random_key( @@ -1625,7 +1783,6 @@ class BFDSHA1TestCase(VppTestCase): self.vpp_session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4, sha1_key=key) self.vpp_session.add_vpp_config() - self.vpp_session.admin_up() self.test_session = BFDTestSession( self, self.pg0, AF_INET, sha1_key=key, bfd_key_id=self.vpp_session.bfd_key_id, our_seq_number=0) @@ -1633,7 +1790,7 @@ class BFDSHA1TestCase(VppTestCase): # don't send any packets for 2*detection_time detection_time = self.test_session.detect_mult *\ self.vpp_session.required_min_rx / USEC_IN_SEC - self.sleep(detection_time, "simulating peer restart") + self.sleep(2 * detection_time, "simulating peer restart") events = self.vapi.collect_events() self.assert_equal(len(events), 1, "number of bfd events") verify_event(self, events[0], expected_state=BFDState.down) @@ -1646,6 +1803,7 @@ class BFDSHA1TestCase(VppTestCase): bfd_session_up(self) +@unittest.skipUnless(running_extended_tests(), "part of extended tests") class BFDAuthOnOffTestCase(VppTestCase): """Bidirectional Forwarding Detection (BFD) (changing auth) """ @@ -1685,7 +1843,6 @@ class BFDAuthOnOffTestCase(VppTestCase): self.vpp_session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4) self.vpp_session.add_vpp_config() - self.vpp_session.admin_up() self.test_session = BFDTestSession(self, self.pg0, AF_INET) bfd_session_up(self) for dummy in range(self.test_session.detect_mult * 2): @@ -1710,7 +1867,6 @@ class BFDAuthOnOffTestCase(VppTestCase): self.vpp_session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4, sha1_key=key) self.vpp_session.add_vpp_config() - self.vpp_session.admin_up() self.test_session = BFDTestSession( self, self.pg0, AF_INET, sha1_key=key, bfd_key_id=self.vpp_session.bfd_key_id) @@ -1742,7 +1898,6 @@ class BFDAuthOnOffTestCase(VppTestCase): self.vpp_session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4, sha1_key=key1) self.vpp_session.add_vpp_config() - self.vpp_session.admin_up() self.test_session = BFDTestSession( self, self.pg0, AF_INET, sha1_key=key1, bfd_key_id=self.vpp_session.bfd_key_id) @@ -1769,7 +1924,6 @@ class BFDAuthOnOffTestCase(VppTestCase): self.vpp_session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4) self.vpp_session.add_vpp_config() - self.vpp_session.admin_up() self.test_session = BFDTestSession(self, self.pg0, AF_INET) bfd_session_up(self) for dummy in range(self.test_session.detect_mult * 2): @@ -1798,7 +1952,6 @@ class BFDAuthOnOffTestCase(VppTestCase): self.vpp_session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4, sha1_key=key) self.vpp_session.add_vpp_config() - self.vpp_session.admin_up() self.test_session = BFDTestSession( self, self.pg0, AF_INET, sha1_key=key, bfd_key_id=self.vpp_session.bfd_key_id) @@ -1857,5 +2010,422 @@ class BFDAuthOnOffTestCase(VppTestCase): self.assert_equal(len(self.vapi.collect_events()), 0, "number of bfd events") + +@unittest.skipUnless(running_extended_tests(), "part of extended tests") +class BFDCLITestCase(VppTestCase): + """Bidirectional Forwarding Detection (BFD) (CLI) """ + pg0 = None + + @classmethod + def setUpClass(cls): + super(BFDCLITestCase, cls).setUpClass() + + try: + cls.create_pg_interfaces((0,)) + cls.pg0.config_ip4() + cls.pg0.config_ip6() + cls.pg0.resolve_arp() + cls.pg0.resolve_ndp() + + except Exception: + super(BFDCLITestCase, cls).tearDownClass() + raise + + def setUp(self): + super(BFDCLITestCase, self).setUp() + self.factory = AuthKeyFactory() + self.pg0.enable_capture() + + def tearDown(self): + try: + self.vapi.want_bfd_events(enable_disable=0) + except UnexpectedApiReturnValueError: + # some tests aren't subscribed, so this is not an issue + pass + self.vapi.collect_events() # clear the event queue + super(BFDCLITestCase, self).tearDown() + + def cli_verify_no_response(self, cli): + """ execute a CLI, asserting that the response is empty """ + self.assert_equal(self.vapi.cli(cli), + "", + "CLI command response") + + def cli_verify_response(self, cli, expected): + """ execute a CLI, asserting that the response matches expectation """ + self.assert_equal(self.vapi.cli(cli).strip(), + expected, + "CLI command response") + + def test_show(self): + """ show commands """ + k1 = self.factory.create_random_key(self) + k1.add_vpp_config() + k2 = self.factory.create_random_key( + self, auth_type=BFDAuthType.meticulous_keyed_sha1) + k2.add_vpp_config() + s1 = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4) + s1.add_vpp_config() + s2 = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip6, af=AF_INET6, + sha1_key=k2) + s2.add_vpp_config() + self.logger.info(self.vapi.ppcli("show bfd keys")) + self.logger.info(self.vapi.ppcli("show bfd sessions")) + self.logger.info(self.vapi.ppcli("show bfd")) + + def test_set_del_sha1_key(self): + """ set/delete SHA1 auth key """ + k = self.factory.create_random_key(self) + self.registry.register(k, self.logger) + self.cli_verify_no_response( + "bfd key set conf-key-id %s type keyed-sha1 secret %s" % + (k.conf_key_id, + "".join("{:02x}".format(ord(c)) for c in k.key))) + self.assertTrue(k.query_vpp_config()) + self.vpp_session = VppBFDUDPSession( + self, self.pg0, self.pg0.remote_ip4, sha1_key=k) + self.vpp_session.add_vpp_config() + self.test_session = \ + BFDTestSession(self, self.pg0, AF_INET, sha1_key=k, + bfd_key_id=self.vpp_session.bfd_key_id) + self.vapi.want_bfd_events() + bfd_session_up(self) + bfd_session_down(self) + # try to replace the secret for the key - should fail because the key + # is in-use + k2 = self.factory.create_random_key(self) + self.cli_verify_response( + "bfd key set conf-key-id %s type keyed-sha1 secret %s" % + (k.conf_key_id, + "".join("{:02x}".format(ord(c)) for c in k2.key)), + "bfd key set: `bfd_auth_set_key' API call failed, " + "rv=-103:BFD object in use") + # manipulating the session using old secret should still work + bfd_session_up(self) + bfd_session_down(self) + self.vpp_session.remove_vpp_config() + self.cli_verify_no_response( + "bfd key del conf-key-id %s" % k.conf_key_id) + self.assertFalse(k.query_vpp_config()) + + def test_set_del_meticulous_sha1_key(self): + """ set/delete meticulous SHA1 auth key """ + k = self.factory.create_random_key( + self, auth_type=BFDAuthType.meticulous_keyed_sha1) + self.registry.register(k, self.logger) + self.cli_verify_no_response( + "bfd key set conf-key-id %s type meticulous-keyed-sha1 secret %s" % + (k.conf_key_id, + "".join("{:02x}".format(ord(c)) for c in k.key))) + self.assertTrue(k.query_vpp_config()) + self.vpp_session = VppBFDUDPSession(self, self.pg0, + self.pg0.remote_ip6, af=AF_INET6, + sha1_key=k) + self.vpp_session.add_vpp_config() + self.vpp_session.admin_up() + self.test_session = \ + BFDTestSession(self, self.pg0, AF_INET6, sha1_key=k, + bfd_key_id=self.vpp_session.bfd_key_id) + self.vapi.want_bfd_events() + bfd_session_up(self) + bfd_session_down(self) + # try to replace the secret for the key - should fail because the key + # is in-use + k2 = self.factory.create_random_key(self) + self.cli_verify_response( + "bfd key set conf-key-id %s type keyed-sha1 secret %s" % + (k.conf_key_id, + "".join("{:02x}".format(ord(c)) for c in k2.key)), + "bfd key set: `bfd_auth_set_key' API call failed, " + "rv=-103:BFD object in use") + # manipulating the session using old secret should still work + bfd_session_up(self) + bfd_session_down(self) + self.vpp_session.remove_vpp_config() + self.cli_verify_no_response( + "bfd key del conf-key-id %s" % k.conf_key_id) + self.assertFalse(k.query_vpp_config()) + + def test_add_mod_del_bfd_udp(self): + """ create/modify/delete IPv4 BFD UDP session """ + vpp_session = VppBFDUDPSession( + self, self.pg0, self.pg0.remote_ip4) + self.registry.register(vpp_session, self.logger) + cli_add_cmd = "bfd udp session add interface %s local-addr %s " \ + "peer-addr %s desired-min-tx %s required-min-rx %s "\ + "detect-mult %s" % (self.pg0.name, self.pg0.local_ip4, + self.pg0.remote_ip4, + vpp_session.desired_min_tx, + vpp_session.required_min_rx, + vpp_session.detect_mult) + self.cli_verify_no_response(cli_add_cmd) + # 2nd add should fail + self.cli_verify_response( + cli_add_cmd, + "bfd udp session add: `bfd_add_add_session' API call" + " failed, rv=-101:Duplicate BFD object") + verify_bfd_session_config(self, vpp_session) + mod_session = VppBFDUDPSession( + self, self.pg0, self.pg0.remote_ip4, + required_min_rx=2 * vpp_session.required_min_rx, + desired_min_tx=3 * vpp_session.desired_min_tx, + detect_mult=4 * vpp_session.detect_mult) + self.cli_verify_no_response( + "bfd udp session mod interface %s local-addr %s peer-addr %s " + "desired-min-tx %s required-min-rx %s detect-mult %s" % + (self.pg0.name, self.pg0.local_ip4, self.pg0.remote_ip4, + mod_session.desired_min_tx, mod_session.required_min_rx, + mod_session.detect_mult)) + verify_bfd_session_config(self, mod_session) + cli_del_cmd = "bfd udp session del interface %s local-addr %s "\ + "peer-addr %s" % (self.pg0.name, + self.pg0.local_ip4, self.pg0.remote_ip4) + self.cli_verify_no_response(cli_del_cmd) + # 2nd del is expected to fail + self.cli_verify_response( + cli_del_cmd, "bfd udp session del: `bfd_udp_del_session' API call" + " failed, rv=-102:No such BFD object") + self.assertFalse(vpp_session.query_vpp_config()) + + def test_add_mod_del_bfd_udp6(self): + """ create/modify/delete IPv6 BFD UDP session """ + vpp_session = VppBFDUDPSession( + self, self.pg0, self.pg0.remote_ip6, af=AF_INET6) + self.registry.register(vpp_session, self.logger) + cli_add_cmd = "bfd udp session add interface %s local-addr %s " \ + "peer-addr %s desired-min-tx %s required-min-rx %s "\ + "detect-mult %s" % (self.pg0.name, self.pg0.local_ip6, + self.pg0.remote_ip6, + vpp_session.desired_min_tx, + vpp_session.required_min_rx, + vpp_session.detect_mult) + self.cli_verify_no_response(cli_add_cmd) + # 2nd add should fail + self.cli_verify_response( + cli_add_cmd, + "bfd udp session add: `bfd_add_add_session' API call" + " failed, rv=-101:Duplicate BFD object") + verify_bfd_session_config(self, vpp_session) + mod_session = VppBFDUDPSession( + self, self.pg0, self.pg0.remote_ip6, af=AF_INET6, + required_min_rx=2 * vpp_session.required_min_rx, + desired_min_tx=3 * vpp_session.desired_min_tx, + detect_mult=4 * vpp_session.detect_mult) + self.cli_verify_no_response( + "bfd udp session mod interface %s local-addr %s peer-addr %s " + "desired-min-tx %s required-min-rx %s detect-mult %s" % + (self.pg0.name, self.pg0.local_ip6, self.pg0.remote_ip6, + mod_session.desired_min_tx, + mod_session.required_min_rx, mod_session.detect_mult)) + verify_bfd_session_config(self, mod_session) + cli_del_cmd = "bfd udp session del interface %s local-addr %s "\ + "peer-addr %s" % (self.pg0.name, + self.pg0.local_ip6, self.pg0.remote_ip6) + self.cli_verify_no_response(cli_del_cmd) + # 2nd del is expected to fail + self.cli_verify_response( + cli_del_cmd, + "bfd udp session del: `bfd_udp_del_session' API call" + " failed, rv=-102:No such BFD object") + self.assertFalse(vpp_session.query_vpp_config()) + + def test_add_mod_del_bfd_udp_auth(self): + """ create/modify/delete IPv4 BFD UDP session (authenticated) """ + key = self.factory.create_random_key(self) + key.add_vpp_config() + vpp_session = VppBFDUDPSession( + self, self.pg0, self.pg0.remote_ip4, sha1_key=key) + self.registry.register(vpp_session, self.logger) + cli_add_cmd = "bfd udp session add interface %s local-addr %s " \ + "peer-addr %s desired-min-tx %s required-min-rx %s "\ + "detect-mult %s conf-key-id %s bfd-key-id %s"\ + % (self.pg0.name, self.pg0.local_ip4, self.pg0.remote_ip4, + vpp_session.desired_min_tx, vpp_session.required_min_rx, + vpp_session.detect_mult, key.conf_key_id, + vpp_session.bfd_key_id) + self.cli_verify_no_response(cli_add_cmd) + # 2nd add should fail + self.cli_verify_response( + cli_add_cmd, + "bfd udp session add: `bfd_add_add_session' API call" + " failed, rv=-101:Duplicate BFD object") + verify_bfd_session_config(self, vpp_session) + mod_session = VppBFDUDPSession( + self, self.pg0, self.pg0.remote_ip4, sha1_key=key, + bfd_key_id=vpp_session.bfd_key_id, + required_min_rx=2 * vpp_session.required_min_rx, + desired_min_tx=3 * vpp_session.desired_min_tx, + detect_mult=4 * vpp_session.detect_mult) + self.cli_verify_no_response( + "bfd udp session mod interface %s local-addr %s peer-addr %s " + "desired-min-tx %s required-min-rx %s detect-mult %s" % + (self.pg0.name, self.pg0.local_ip4, self.pg0.remote_ip4, + mod_session.desired_min_tx, + mod_session.required_min_rx, mod_session.detect_mult)) + verify_bfd_session_config(self, mod_session) + cli_del_cmd = "bfd udp session del interface %s local-addr %s "\ + "peer-addr %s" % (self.pg0.name, + self.pg0.local_ip4, self.pg0.remote_ip4) + self.cli_verify_no_response(cli_del_cmd) + # 2nd del is expected to fail + self.cli_verify_response( + cli_del_cmd, + "bfd udp session del: `bfd_udp_del_session' API call" + " failed, rv=-102:No such BFD object") + self.assertFalse(vpp_session.query_vpp_config()) + + def test_add_mod_del_bfd_udp6_auth(self): + """ create/modify/delete IPv6 BFD UDP session (authenticated) """ + key = self.factory.create_random_key( + self, auth_type=BFDAuthType.meticulous_keyed_sha1) + key.add_vpp_config() + vpp_session = VppBFDUDPSession( + self, self.pg0, self.pg0.remote_ip6, af=AF_INET6, sha1_key=key) + self.registry.register(vpp_session, self.logger) + cli_add_cmd = "bfd udp session add interface %s local-addr %s " \ + "peer-addr %s desired-min-tx %s required-min-rx %s "\ + "detect-mult %s conf-key-id %s bfd-key-id %s" \ + % (self.pg0.name, self.pg0.local_ip6, self.pg0.remote_ip6, + vpp_session.desired_min_tx, vpp_session.required_min_rx, + vpp_session.detect_mult, key.conf_key_id, + vpp_session.bfd_key_id) + self.cli_verify_no_response(cli_add_cmd) + # 2nd add should fail + self.cli_verify_response( + cli_add_cmd, + "bfd udp session add: `bfd_add_add_session' API call" + " failed, rv=-101:Duplicate BFD object") + verify_bfd_session_config(self, vpp_session) + mod_session = VppBFDUDPSession( + self, self.pg0, self.pg0.remote_ip6, af=AF_INET6, sha1_key=key, + bfd_key_id=vpp_session.bfd_key_id, + required_min_rx=2 * vpp_session.required_min_rx, + desired_min_tx=3 * vpp_session.desired_min_tx, + detect_mult=4 * vpp_session.detect_mult) + self.cli_verify_no_response( + "bfd udp session mod interface %s local-addr %s peer-addr %s " + "desired-min-tx %s required-min-rx %s detect-mult %s" % + (self.pg0.name, self.pg0.local_ip6, self.pg0.remote_ip6, + mod_session.desired_min_tx, + mod_session.required_min_rx, mod_session.detect_mult)) + verify_bfd_session_config(self, mod_session) + cli_del_cmd = "bfd udp session del interface %s local-addr %s "\ + "peer-addr %s" % (self.pg0.name, + self.pg0.local_ip6, self.pg0.remote_ip6) + self.cli_verify_no_response(cli_del_cmd) + # 2nd del is expected to fail + self.cli_verify_response( + cli_del_cmd, + "bfd udp session del: `bfd_udp_del_session' API call" + " failed, rv=-102:No such BFD object") + self.assertFalse(vpp_session.query_vpp_config()) + + def test_auth_on_off(self): + """ turn authentication on and off """ + key = self.factory.create_random_key( + self, auth_type=BFDAuthType.meticulous_keyed_sha1) + key.add_vpp_config() + session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4) + auth_session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4, + sha1_key=key) + session.add_vpp_config() + cli_activate = \ + "bfd udp session auth activate interface %s local-addr %s "\ + "peer-addr %s conf-key-id %s bfd-key-id %s"\ + % (self.pg0.name, self.pg0.local_ip4, self.pg0.remote_ip4, + key.conf_key_id, auth_session.bfd_key_id) + self.cli_verify_no_response(cli_activate) + verify_bfd_session_config(self, auth_session) + self.cli_verify_no_response(cli_activate) + verify_bfd_session_config(self, auth_session) + cli_deactivate = \ + "bfd udp session auth deactivate interface %s local-addr %s "\ + "peer-addr %s "\ + % (self.pg0.name, self.pg0.local_ip4, self.pg0.remote_ip4) + self.cli_verify_no_response(cli_deactivate) + verify_bfd_session_config(self, session) + self.cli_verify_no_response(cli_deactivate) + verify_bfd_session_config(self, session) + + def test_auth_on_off_delayed(self): + """ turn authentication on and off (delayed) """ + key = self.factory.create_random_key( + self, auth_type=BFDAuthType.meticulous_keyed_sha1) + key.add_vpp_config() + session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4) + auth_session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4, + sha1_key=key) + session.add_vpp_config() + cli_activate = \ + "bfd udp session auth activate interface %s local-addr %s "\ + "peer-addr %s conf-key-id %s bfd-key-id %s delayed yes"\ + % (self.pg0.name, self.pg0.local_ip4, self.pg0.remote_ip4, + key.conf_key_id, auth_session.bfd_key_id) + self.cli_verify_no_response(cli_activate) + verify_bfd_session_config(self, auth_session) + self.cli_verify_no_response(cli_activate) + verify_bfd_session_config(self, auth_session) + cli_deactivate = \ + "bfd udp session auth deactivate interface %s local-addr %s "\ + "peer-addr %s delayed yes"\ + % (self.pg0.name, self.pg0.local_ip4, self.pg0.remote_ip4) + self.cli_verify_no_response(cli_deactivate) + verify_bfd_session_config(self, session) + self.cli_verify_no_response(cli_deactivate) + verify_bfd_session_config(self, session) + + def test_admin_up_down(self): + """ put session admin-up and admin-down """ + session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4) + session.add_vpp_config() + cli_down = \ + "bfd udp session set-flags admin down interface %s local-addr %s "\ + "peer-addr %s "\ + % (self.pg0.name, self.pg0.local_ip4, self.pg0.remote_ip4) + cli_up = \ + "bfd udp session set-flags admin up interface %s local-addr %s "\ + "peer-addr %s "\ + % (self.pg0.name, self.pg0.local_ip4, self.pg0.remote_ip4) + self.cli_verify_no_response(cli_down) + verify_bfd_session_config(self, session, state=BFDState.admin_down) + self.cli_verify_no_response(cli_up) + verify_bfd_session_config(self, session, state=BFDState.down) + + def test_set_del_udp_echo_source(self): + """ set/del udp echo source """ + self.create_loopback_interfaces([0]) + self.loopback0 = self.lo_interfaces[0] + self.loopback0.admin_up() + self.cli_verify_response("show bfd echo-source", + "UDP echo source is not set.") + cli_set = "bfd udp echo-source set interface %s" % self.loopback0.name + self.cli_verify_no_response(cli_set) + self.cli_verify_response("show bfd echo-source", + "UDP echo source is: %s\n" + "IPv4 address usable as echo source: none\n" + "IPv6 address usable as echo source: none" % + self.loopback0.name) + self.loopback0.config_ip4() + unpacked = unpack("!L", self.loopback0.local_ip4n) + echo_ip4 = inet_ntop(AF_INET, pack("!L", unpacked[0] ^ 1)) + self.cli_verify_response("show bfd echo-source", + "UDP echo source is: %s\n" + "IPv4 address usable as echo source: %s\n" + "IPv6 address usable as echo source: none" % + (self.loopback0.name, echo_ip4)) + unpacked = unpack("!LLLL", self.loopback0.local_ip6n) + echo_ip6 = inet_ntop(AF_INET6, pack("!LLLL", unpacked[0], unpacked[1], + unpacked[2], unpacked[3] ^ 1)) + self.loopback0.config_ip6() + self.cli_verify_response("show bfd echo-source", + "UDP echo source is: %s\n" + "IPv4 address usable as echo source: %s\n" + "IPv6 address usable as echo source: %s" % + (self.loopback0.name, echo_ip4, echo_ip6)) + cli_del = "bfd udp echo-source del" + self.cli_verify_no_response(cli_del) + self.cli_verify_response("show bfd echo-source", + "UDP echo source is not set.") + if __name__ == '__main__': unittest.main(testRunner=VppTestRunner)