X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Ftest_bfd.py;h=e78ad0c406482e2ec9393eaace5f0c2f26f3f781;hb=8e7fdddd3;hp=4dca11247ce29e8d05da608b5884dc270137fb7e;hpb=52cd49616deec9fb562032151f0c5123cf3fcde9;p=vpp.git diff --git a/test/test_bfd.py b/test/test_bfd.py index 4dca11247ce..e78ad0c4064 100644 --- a/test/test_bfd.py +++ b/test/test_bfd.py @@ -1,4 +1,4 @@ -#!/usr/bin/env python +#!/usr/bin/env python3 """ BFD tests """ from __future__ import division @@ -25,9 +25,11 @@ from util import ppp from vpp_ip import DpoProto from vpp_ip_route import VppIpRoute, VppRoutePath from vpp_lo_interface import VppLoInterface -from vpp_papi_provider import UnexpectedApiReturnValueError +from vpp_papi_provider import UnexpectedApiReturnValueError, \ + CliFailedCommandError from vpp_pg_interface import CaptureTimeoutError, is_ipv6_misc from vpp_gre_interface import VppGreInterface +from vpp_papi import VppEnum USEC_IN_SEC = 1000000 @@ -50,7 +52,6 @@ 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""" @@ -150,7 +151,7 @@ class BFDAPITestCase(VppTestCase): for key in keys: self.assertTrue(key.query_vpp_config()) # remove randomly - indexes = range(key_count) + indexes = list(range(key_count)) shuffle(indexes) removed = [] for i in indexes: @@ -273,7 +274,8 @@ class BFDAPITestCase(VppTestCase): self.assertFalse(echo_source.have_usable_ip4) self.assertFalse(echo_source.have_usable_ip6) - self.vapi.bfd_udp_set_echo_source(self.loopback0.sw_if_index) + self.vapi.bfd_udp_set_echo_source( + sw_if_index=self.loopback0.sw_if_index) echo_source = self.vapi.bfd_udp_get_echo_source() self.assertTrue(echo_source.is_set) self.assertEqual(echo_source.sw_if_index, self.loopback0.sw_if_index) @@ -287,7 +289,7 @@ class BFDAPITestCase(VppTestCase): self.assertTrue(echo_source.is_set) self.assertEqual(echo_source.sw_if_index, self.loopback0.sw_if_index) self.assertTrue(echo_source.have_usable_ip4) - self.assertEqual(echo_source.ip4_addr, echo_ip4) + self.assertEqual(echo_source.ip4_addr.packed, echo_ip4) self.assertFalse(echo_source.have_usable_ip6) self.loopback0.config_ip6() @@ -298,9 +300,9 @@ class BFDAPITestCase(VppTestCase): self.assertTrue(echo_source.is_set) self.assertEqual(echo_source.sw_if_index, self.loopback0.sw_if_index) self.assertTrue(echo_source.have_usable_ip4) - self.assertEqual(echo_source.ip4_addr, echo_ip4) + self.assertEqual(echo_source.ip4_addr.packed, echo_ip4) self.assertTrue(echo_source.have_usable_ip6) - self.assertEqual(echo_source.ip6_addr, echo_ip6) + self.assertEqual(echo_source.ip6_addr.packed, echo_ip6) self.vapi.bfd_udp_del_echo_source() echo_source = self.vapi.bfd_udp_get_echo_source() @@ -448,7 +450,7 @@ class BFDTestSession(object): if self.sha1_key: hash_material = scapy.compat.raw( packet[BFD])[:32] + self.sha1_key.key + \ - "\0" * (20 - len(self.sha1_key.key)) + b"\0" * (20 - len(self.sha1_key.key)) self.test.logger.debug("BFD: Calculated SHA1 hash: %s" % hashlib.sha1(hash_material).hexdigest()) packet[BFD].auth_key_hash = hashlib.sha1(hash_material).digest() @@ -507,7 +509,7 @@ class BFDTestSession(object): b"\0" * (20 - len(self.sha1_key.key)) expected_hash = hashlib.sha1(hash_material).hexdigest() self.test.assert_equal(binascii.hexlify(bfd.auth_key_hash), - expected_hash, "Auth key hash") + expected_hash.encode(), "Auth key hash") def verify_bfd(self, packet): """ Verify correctness of BFD layer. """ @@ -527,7 +529,7 @@ def bfd_session_up(test): old_offset = None if hasattr(test, 'vpp_clock_offset'): old_offset = test.vpp_clock_offset - test.vpp_clock_offset = time.time() - p.time + test.vpp_clock_offset = time.time() - float(p.time) test.logger.debug("BFD: Calculated vpp clock offset: %s", test.vpp_clock_offset) if old_offset: @@ -625,20 +627,11 @@ def verify_event(test, event, expected_state): test.assert_equal(e.sw_if_index, test.vpp_session.interface.sw_if_index, "BFD interface index") - is_ipv6 = 0 - if test.vpp_session.af == AF_INET6: - is_ipv6 = 1 - test.assert_equal(e.is_ipv6, is_ipv6, "is_ipv6") - if test.vpp_session.af == AF_INET: - test.assert_equal(e.local_addr[:4], test.vpp_session.local_addr_n, - "Local IPv4 address") - test.assert_equal(e.peer_addr[:4], test.vpp_session.peer_addr_n, - "Peer IPv4 address") - else: - test.assert_equal(e.local_addr, test.vpp_session.local_addr_n, - "Local IPv6 address") - test.assert_equal(e.peer_addr, test.vpp_session.peer_addr_n, - "Peer IPv6 address") + + test.assert_equal(str(e.local_addr), test.vpp_session.local_addr, + "Local IPv6 address") + test.assert_equal(str(e.peer_addr), test.vpp_session.peer_addr, + "Peer IPv6 address") test.assert_equal(e.state, expected_state, BFDState) @@ -683,7 +676,6 @@ def wait_for_bfd_packet(test, timeout=1, pcap_time_min=None, is_tunnel=False): return p -@unittest.skipUnless(running_extended_tests, "part of extended tests") class BFD4TestCase(VppTestCase): """Bidirectional Forwarding Detection (BFD)""" @@ -726,7 +718,7 @@ class BFD4TestCase(VppTestCase): self.vpp_session.add_vpp_config() self.vpp_session.admin_up() self.test_session = BFDTestSession(self, self.pg0, AF_INET) - except: + except BaseException: self.vapi.want_bfd_events(enable_disable=0) raise @@ -771,7 +763,6 @@ class BFD4TestCase(VppTestCase): 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) @@ -781,7 +772,6 @@ 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 @@ -796,7 +786,6 @@ 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) @@ -821,7 +810,6 @@ 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) @@ -831,7 +819,16 @@ 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_peer_discr_reset_sess_down(self): + """ peer discriminator reset after session goes down """ + bfd_session_up(self) + detection_time = self.test_session.detect_mult *\ + self.vpp_session.required_min_rx / USEC_IN_SEC + self.sleep(detection_time, "waiting for BFD session time-out") + self.test_session.my_discriminator = 0 + wait_for_bfd_packet(self, + pcap_time_min=time.time() - self.vpp_clock_offset) + def test_large_required_min_rx(self): """ large remote required min rx interval """ bfd_session_up(self) @@ -861,7 +858,6 @@ 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() @@ -894,7 +890,6 @@ 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) @@ -924,7 +919,6 @@ 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( @@ -967,7 +961,6 @@ 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) @@ -991,7 +984,6 @@ 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) @@ -1057,6 +1049,7 @@ class BFD4TestCase(VppTestCase): self.assertNotIn("P", p.sprintf("%BFD.flags%"), "Poll bit set in BFD packet") + # returning inconsistent results requiring retries in per-patch tests @unittest.skipUnless(running_extended_tests, "part of extended tests") def test_poll_response(self): """ test correct response to control frame with poll bit set """ @@ -1068,7 +1061,6 @@ class BFD4TestCase(VppTestCase): 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) @@ -1158,7 +1150,8 @@ class BFD4TestCase(VppTestCase): self.vpp_session.required_min_rx, "BFD required min rx interval") self.test_session.send_packet() - self.vapi.bfd_udp_set_echo_source(self.loopback0.sw_if_index) + self.vapi.bfd_udp_set_echo_source( + sw_if_index=self.loopback0.sw_if_index) echo_seen = False # should be turned on - loopback echo packets for dummy in range(3): @@ -1195,7 +1188,6 @@ class BFD4TestCase(VppTestCase): self.test_session.send_packet() self.assertTrue(echo_seen, "No echo packets received") - @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) @@ -1203,7 +1195,8 @@ class BFD4TestCase(VppTestCase): self.test_session.send_packet() detection_time = self.test_session.detect_mult *\ self.vpp_session.required_min_rx / USEC_IN_SEC - self.vapi.bfd_udp_set_echo_source(self.loopback0.sw_if_index) + self.vapi.bfd_udp_set_echo_source( + sw_if_index=self.loopback0.sw_if_index) # echo function should be used now, but we will drop the echo packets verified_diag = False for dummy in range(3): @@ -1235,13 +1228,13 @@ 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) self.test_session.update(required_min_echo_rx=150000) self.test_session.send_packet() - self.vapi.bfd_udp_set_echo_source(self.loopback0.sw_if_index) + self.vapi.bfd_udp_set_echo_source( + sw_if_index=self.loopback0.sw_if_index) # wait for first echo packet while True: p = self.pg0.wait_for_packet(1) @@ -1267,13 +1260,13 @@ 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=150000) self.test_session.send_packet() - self.vapi.bfd_udp_set_echo_source(self.loopback0.sw_if_index) + self.vapi.bfd_udp_set_echo_source( + sw_if_index=self.loopback0.sw_if_index) # wait for first echo packet while True: p = self.pg0.wait_for_packet(1) @@ -1299,12 +1292,12 @@ 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_stale_echo(self): """ stale echo packets don't keep a session up """ bfd_session_up(self) self.test_session.update(required_min_echo_rx=150000) - self.vapi.bfd_udp_set_echo_source(self.loopback0.sw_if_index) + self.vapi.bfd_udp_set_echo_source( + sw_if_index=self.loopback0.sw_if_index) self.test_session.send_packet() # should be turned on - loopback echo packets echo_packet = None @@ -1352,12 +1345,12 @@ 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) self.test_session.update(required_min_echo_rx=150000) - self.vapi.bfd_udp_set_echo_source(self.loopback0.sw_if_index) + self.vapi.bfd_udp_set_echo_source( + sw_if_index=self.loopback0.sw_if_index) self.test_session.send_packet() # should be turned on - loopback echo packets timeout_at = None @@ -1402,7 +1395,6 @@ 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) @@ -1440,7 +1432,6 @@ class BFD4TestCase(VppTestCase): 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) @@ -1493,7 +1484,6 @@ class BFD4TestCase(VppTestCase): self.assertFalse(vpp_session.query_vpp_config()) -@unittest.skipUnless(running_extended_tests, "part of extended tests") class BFD6TestCase(VppTestCase): """Bidirectional Forwarding Detection (BFD) (IPv6) """ @@ -1538,7 +1528,7 @@ class BFD6TestCase(VppTestCase): self.vpp_session.admin_up() self.test_session = BFDTestSession(self, self.pg0, AF_INET6) self.logger.debug(self.vapi.cli("show adj nbr")) - except: + except BaseException: self.vapi.want_bfd_events(enable_disable=0) raise @@ -1578,7 +1568,6 @@ class BFD6TestCase(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(self): """ hold BFD session up """ bfd_session_up(self) @@ -1654,7 +1643,8 @@ class BFD6TestCase(VppTestCase): self.vpp_session.required_min_rx, "BFD required min rx interval") self.test_session.send_packet() - self.vapi.bfd_udp_set_echo_source(self.loopback0.sw_if_index) + self.vapi.bfd_udp_set_echo_source( + sw_if_index=self.loopback0.sw_if_index) echo_seen = False # should be turned on - loopback echo packets for dummy in range(3): @@ -1707,7 +1697,6 @@ class BFD6TestCase(VppTestCase): self.assertFalse(vpp_session.query_vpp_config()) -@unittest.skipUnless(running_extended_tests, "part of extended tests") class BFDFIBTestCase(VppTestCase): """ BFD-FIB interactions (IPv6) """ @@ -1736,7 +1725,7 @@ class BFDFIBTestCase(VppTestCase): def tearDown(self): if not self.vpp_dead: - self.vapi.want_bfd_events(enable_disable=0) + self.vapi.want_bfd_events(enable_disable=False) super(BFDFIBTestCase, self).tearDown() @@ -1754,24 +1743,20 @@ class BFDFIBTestCase(VppTestCase): p = [(Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) / IPv6(src="3001::1", dst="2001::1") / UDP(sport=1234, dport=1234) / - Raw('\xa5' * 100)), + Raw(b'\xa5' * 100)), (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) / IPv6(src="3001::1", dst="2002::1") / UDP(sport=1234, dport=1234) / - Raw('\xa5' * 100))] + Raw(b'\xa5' * 100))] # A recursive and a non-recursive route via a next-hop that # will have a BFD session ip_2001_s_64 = VppIpRoute(self, "2001::", 64, [VppRoutePath(self.pg0.remote_ip6, - self.pg0.sw_if_index, - proto=DpoProto.DPO_PROTO_IP6)], - is_ip6=1) + self.pg0.sw_if_index)]) ip_2002_s_64 = VppIpRoute(self, "2002::", 64, [VppRoutePath(self.pg0.remote_ip6, - 0xffffffff, - proto=DpoProto.DPO_PROTO_IP6)], - is_ip6=1) + 0xffffffff)]) ip_2001_s_64.add_vpp_config() ip_2002_s_64.add_vpp_config() @@ -1887,7 +1872,7 @@ class BFDTunTestCase(VppTestCase): p = [(Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) / IP(src=self.pg0.remote_ip4, dst=gre_if.remote_ip4) / UDP(sport=1234, dport=1234) / - Raw('\xa5' * 100))] + Raw(b'\xa5' * 100))] # session is up - traffic passes bfd_session_up(self) @@ -1898,7 +1883,6 @@ class BFDTunTestCase(VppTestCase): bfd_session_down(self) -@unittest.skipUnless(running_extended_tests, "part of extended tests") class BFDSHA1TestCase(VppTestCase): """Bidirectional Forwarding Detection (BFD) (SHA1 auth) """ @@ -1933,7 +1917,7 @@ class BFDSHA1TestCase(VppTestCase): def tearDown(self): if not self.vpp_dead: - self.vapi.want_bfd_events(enable_disable=0) + self.vapi.want_bfd_events(enable_disable=False) self.vapi.collect_events() # clear the event queue super(BFDSHA1TestCase, self).tearDown() @@ -1951,7 +1935,6 @@ 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) @@ -1970,7 +1953,6 @@ 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( @@ -1992,7 +1974,6 @@ 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( @@ -2055,7 +2036,6 @@ 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) @@ -2070,7 +2050,6 @@ 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) @@ -2090,7 +2069,6 @@ 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) @@ -2107,7 +2085,6 @@ 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( @@ -2133,10 +2110,10 @@ class BFDSHA1TestCase(VppTestCase): self.test_session.vpp_seq_number = None # now throw away any pending packets self.pg0.enable_capture() + self.test_session.my_discriminator = 0 bfd_session_up(self) -@unittest.skipUnless(running_extended_tests, "part of extended tests") class BFDAuthOnOffTestCase(VppTestCase): """Bidirectional Forwarding Detection (BFD) (changing auth) """ @@ -2170,7 +2147,7 @@ class BFDAuthOnOffTestCase(VppTestCase): def tearDown(self): if not self.vpp_dead: - self.vapi.want_bfd_events(enable_disable=0) + self.vapi.want_bfd_events(enable_disable=False) self.vapi.collect_events() # clear the event queue super(BFDAuthOnOffTestCase, self).tearDown() @@ -2349,7 +2326,6 @@ class BFDAuthOnOffTestCase(VppTestCase): "number of bfd events") -@unittest.skipUnless(running_extended_tests, "part of extended tests") class BFDCLITestCase(VppTestCase): """Bidirectional Forwarding Detection (BFD) (CLI) """ pg0 = None @@ -2380,7 +2356,7 @@ class BFDCLITestCase(VppTestCase): def tearDown(self): try: - self.vapi.want_bfd_events(enable_disable=0) + self.vapi.want_bfd_events(enable_disable=False) except UnexpectedApiReturnValueError: # some tests aren't subscribed, so this is not an issue pass @@ -2390,12 +2366,16 @@ class BFDCLITestCase(VppTestCase): def cli_verify_no_response(self, cli): """ execute a CLI, asserting that the response is empty """ self.assert_equal(self.vapi.cli(cli), - b"", + "", "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(), + try: + reply = self.vapi.cli(cli) + except CliFailedCommandError as cli_error: + reply = str(cli_error) + self.assert_equal(reply.strip(), expected, "CLI command response") @@ -2769,5 +2749,6 @@ class BFDCLITestCase(VppTestCase): self.cli_verify_response("show bfd echo-source", "UDP echo source is not set.") + if __name__ == '__main__': unittest.main(testRunner=VppTestRunner)