X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Ftest_ip6_vrf_multi_instance.py;h=d95e7927f98dd0c024de98d69ca651dde934c640;hb=40cfc1560ee6fa11e4d6c74e9730541a8a45b68a;hp=72976d74f8d4de798636b2364f9e63e679e3af58;hpb=9da2e542c65f5d05a80194866e741fd7cd01a029;p=vpp.git diff --git a/test/test_ip6_vrf_multi_instance.py b/test/test_ip6_vrf_multi_instance.py index 72976d74f8d..d95e7927f98 100644 --- a/test/test_ip6_vrf_multi_instance.py +++ b/test/test_ip6_vrf_multi_instance.py @@ -1,11 +1,11 @@ -#!/usr/bin/env python +#!/usr/bin/env python3 """IP6 VRF Multi-instance Test Case HLD: **NOTES:** - higher number of pg-ip6 interfaces causes problems => only 15 pg-ip6 \ - interfaces in 5 VRFs are tested + interfaces in 5 VRFs are tested - jumbo packets in configuration with 15 pg-ip6 interfaces leads to \ - problems too + problems too **config 1** - add 15 pg-ip6 interfaces @@ -17,9 +17,9 @@ - send IP6 packets between all pg-ip6 interfaces in all VRF groups **verify 1** - - check VRF data by parsing output of ip6_fib_dump API command - - all packets received correctly in case of pg-ip6 interfaces in the same - VRF + - check VRF data by parsing output of ip_route_dump API command + - all packets received correctly in case of pg-ip6 interfaces in the + same VRF - no packet received in case of pg-ip6 interfaces not in VRF - no packet received in case of pg-ip6 interfaces in different VRFs @@ -30,9 +30,9 @@ - send IP6 packets between all pg-ip6 interfaces in all VRF groups **verify 2** - - check VRF data by parsing output of ip6_fib_dump API command - - all packets received correctly in case of pg-ip6 interfaces in the same - VRF + - check VRF data by parsing output of ip_route_dump API command + - all packets received correctly in case of pg-ip6 interfaces in the + same VRF - no packet received in case of pg-ip6 interfaces not in VRF - no packet received in case of pg-ip6 interfaces in different VRFs @@ -43,9 +43,9 @@ - send IP6 packets between all pg-ip6 interfaces in all VRF groups **verify 3** - - check VRF data by parsing output of ip6_fib_dump API command - - all packets received correctly in case of pg-ip6 interfaces in the same - VRF + - check VRF data by parsing output of ip_route_dump API command + - all packets received correctly in case of pg-ip6 interfaces in the + same VRF - no packet received in case of pg-ip6 interfaces not in VRF - no packet received in case of pg-ip6 interfaces in different VRFs @@ -56,9 +56,9 @@ - send IP6 packets between all pg-ip6 interfaces in all VRF groups **verify 4** - - check VRF data by parsing output of ip6_fib_dump API command - - all packets received correctly in case of pg-ip6 interfaces in the same - VRF + - check VRF data by parsing output of ip_route_dump API command + - all packets received correctly in case of pg-ip6 interfaces in the + same VRF - no packet received in case of pg-ip6 interfaces not in VRF - no packet received in case of pg-ip6 interfaces in different VRFs """ @@ -120,7 +120,7 @@ class TestIP6VrfMultiInst(VppTestCase): # Packet flows mapping pg0 -> pg1, pg2 etc. cls.flows = dict() for i in range(len(cls.pg_interfaces)): - multiplicand = i / cls.pg_ifs_per_vrf + multiplicand = i // cls.pg_ifs_per_vrf pg_list = [ cls.pg_interfaces[multiplicand * cls.pg_ifs_per_vrf + j] for j in range(cls.pg_ifs_per_vrf) @@ -148,18 +148,22 @@ class TestIP6VrfMultiInst(VppTestCase): cls.pg_not_in_vrf = [pg_if for pg_if in cls.pg_interfaces] # Create mapping of pg_interfaces to VRF IDs - cls.pg_if_by_vrf_id = dict() + cls.pg_if_sets = dict() for i in range(cls.nr_of_vrfs): - vrf_id = i + 1 + set_id = i + 1 pg_list = [ cls.pg_interfaces[i * cls.pg_ifs_per_vrf + j] for j in range(cls.pg_ifs_per_vrf)] - cls.pg_if_by_vrf_id[vrf_id] = pg_list + cls.pg_if_sets[set_id] = pg_list except Exception: super(TestIP6VrfMultiInst, cls).tearDownClass() raise + @classmethod + def tearDownClass(cls): + super(TestIP6VrfMultiInst, cls).tearDownClass() + def setUp(self): """ Clear trace and packet infos before running each test. @@ -172,9 +176,24 @@ class TestIP6VrfMultiInst(VppTestCase): Show various debug prints after each test. """ super(TestIP6VrfMultiInst, self).tearDown() - if not self.vpp_dead: - self.logger.info(self.vapi.ppcli("show ip6 fib")) - self.logger.info(self.vapi.ppcli("show ip6 neighbors")) + + def show_commands_at_teardown(self): + self.logger.info(self.vapi.ppcli("show ip6 fib")) + self.logger.info(self.vapi.ppcli("show ip6 neighbors")) + + def _assign_interfaces(self, vrf_id, if_set_id): + for i in range(self.pg_ifs_per_vrf): + pg_if = self.pg_if_sets[if_set_id][i] + pg_if.set_table_ip6(vrf_id) + self.logger.info("pg-interface %s added to IPv6 VRF ID %d" + % (pg_if.name, vrf_id)) + if pg_if not in self.pg_in_vrf: + self.pg_in_vrf.append(pg_if) + if pg_if in self.pg_not_in_vrf: + self.pg_not_in_vrf.remove(pg_if) + pg_if.config_ip6() + pg_if.disable_ipv6_ra() + pg_if.configure_ipv6_neighbors() def create_vrf_and_assign_interfaces(self, count, start=1): """ @@ -187,45 +206,57 @@ class TestIP6VrfMultiInst(VppTestCase): """ for i in range(count): vrf_id = i + start - pg_if = self.pg_if_by_vrf_id[vrf_id][0] - dest_addr = pg_if.local_ip6n - dest_addr_len = 64 - self.vapi.ip_table_add_del(vrf_id, is_add=1, is_ipv6=1) + self.vapi.ip_table_add_del(is_add=1, + table={'table_id': vrf_id, 'is_ip6': 1}) self.logger.info("IPv6 VRF ID %d created" % vrf_id) if vrf_id not in self.vrf_list: self.vrf_list.append(vrf_id) if vrf_id in self.vrf_reset_list: self.vrf_reset_list.remove(vrf_id) - for j in range(self.pg_ifs_per_vrf): - pg_if = self.pg_if_by_vrf_id[vrf_id][j] - pg_if.set_table_ip6(vrf_id) - self.logger.info("pg-interface %s added to IPv6 VRF ID %d" - % (pg_if.name, vrf_id)) - if pg_if not in self.pg_in_vrf: - self.pg_in_vrf.append(pg_if) - if pg_if in self.pg_not_in_vrf: - self.pg_not_in_vrf.remove(pg_if) - pg_if.config_ip6() - pg_if.disable_ipv6_ra() - pg_if.configure_ipv6_neighbors() + self._assign_interfaces(vrf_id, vrf_id) + self.logger.debug(self.vapi.ppcli("show ip6 fib")) + self.logger.debug(self.vapi.ppcli("show ip6 neighbors")) + + def create_vrf_by_id_and_assign_interfaces(self, set_id, + vrf_id=0xffffffff): + """ + Create a FIB table / VRF by vrf_id, put 3 pg-ip6 interfaces + to FIB table / VRF. + + :param int vrf_id: Required table ID / VRF ID. \ + (Default value = 0xffffffff, ID will be selected automatically) + """ + ret = self.vapi.ip_table_allocate(table={'table_id': vrf_id, + 'is_ip6': 1}) + vrf_id = ret.table.table_id + self.logger.info("IPv6 VRF ID %d created" % vrf_id) + if vrf_id not in self.vrf_list: + self.vrf_list.append(vrf_id) + if vrf_id in self.vrf_reset_list: + self.vrf_reset_list.remove(vrf_id) + self._assign_interfaces(vrf_id, set_id) self.logger.debug(self.vapi.ppcli("show ip6 fib")) self.logger.debug(self.vapi.ppcli("show ip6 neighbors")) - def reset_vrf_and_remove_from_vrf_list(self, vrf_id): + return vrf_id + + def reset_vrf_and_remove_from_vrf_list(self, vrf_id, if_set_id=None): """ Reset required FIB table / VRF and remove it from VRF list. :param int vrf_id: The FIB table / VRF ID to be reset. """ - # self.vapi.reset_vrf(vrf_id, is_ipv6=1) - self.vapi.reset_fib(vrf_id, is_ipv6=1) + if if_set_id is None: + if_set_id = vrf_id + self.vapi.ip_table_flush(table={'table_id': vrf_id, 'is_ip6': 1}) if vrf_id in self.vrf_list: self.vrf_list.remove(vrf_id) if vrf_id not in self.vrf_reset_list: self.vrf_reset_list.append(vrf_id) for j in range(self.pg_ifs_per_vrf): - pg_if = self.pg_if_by_vrf_id[vrf_id][j] + pg_if = self.pg_if_sets[if_set_id][j] pg_if.unconfig_ip6() + pg_if.set_table_ip6(0) if pg_if in self.pg_in_vrf: self.pg_in_vrf.remove(pg_if) if pg_if not in self.pg_not_in_vrf: @@ -233,7 +264,14 @@ class TestIP6VrfMultiInst(VppTestCase): self.logger.info("IPv6 VRF ID %d reset finished" % vrf_id) self.logger.debug(self.vapi.ppcli("show ip6 fib")) self.logger.debug(self.vapi.ppcli("show ip6 neighbors")) - self.vapi.ip_table_add_del(vrf_id, is_add=0, is_ipv6=1) + + def delete_vrf(self, vrf_id): + if vrf_id in self.vrf_list: + self.vrf_list.remove(vrf_id) + if vrf_id in self.vrf_reset_list: + self.vrf_reset_list.remove(vrf_id) + self.vapi.ip_table_add_del(is_add=0, + table={'table_id': vrf_id, 'is_ip6': 1}) def create_stream(self, src_if, packet_sizes): """ @@ -277,7 +315,7 @@ class TestIP6VrfMultiInst(VppTestCase): vrf_lst = list(self.vrf_list) vrf_lst.remove(vrf_id) for vrf in vrf_lst: - for dst_if in self.pg_if_by_vrf_id[vrf]: + for dst_if in self.pg_if_sets[vrf]: for dst_host in dst_if.remote_hosts: src_host = random.choice(src_hosts) pkt_info = self.create_packet_info(src_if, dst_if) @@ -309,7 +347,7 @@ class TestIP6VrfMultiInst(VppTestCase): try: ip = packet[IPv6] udp = packet[UDP] - payload_info = self.payload_to_info(str(packet[Raw])) + payload_info = self.payload_to_info(packet[Raw]) packet_index = payload_info.index self.assertEqual(payload_info.dst, dst_sw_if_index) self.logger.debug("Got packet on port %s: src=%u (id=%u)" % @@ -337,30 +375,29 @@ class TestIP6VrfMultiInst(VppTestCase): "Port %u: Packet expected from source %u didn't arrive" % (dst_sw_if_index, i.sw_if_index)) - def verify_vrf(self, vrf_id): + def verify_vrf(self, vrf_id, if_set_id=None): """ Check if the FIB table / VRF ID is configured. :param int vrf_id: The FIB table / VRF ID to be verified. :return: 1 if the FIB table / VRF ID is configured, otherwise return 0. """ - ip6_fib_dump = self.vapi.ip6_fib_dump() - vrf_exist = False + if if_set_id is None: + if_set_id = vrf_id + ip6_fib_dump = self.vapi.ip_route_dump(vrf_id, True) + vrf_exist = len(ip6_fib_dump) vrf_count = 0 for ip6_fib_details in ip6_fib_dump: - if ip6_fib_details.table_id == vrf_id: - if not vrf_exist: - vrf_exist = True - addr = inet_ntop(socket.AF_INET6, ip6_fib_details.address) - found = False - for pg_if in self.pg_if_by_vrf_id[vrf_id]: - if found: + addr = ip6_fib_details.route.prefix.network_address + found = False + for pg_if in self.pg_if_sets[if_set_id]: + if found: + break + for host in pg_if.remote_hosts: + if str(addr) == host.ip6: + vrf_count += 1 + found = True break - for host in pg_if.remote_hosts: - if str(addr) == str(host.ip6): - vrf_count += 1 - found = True - break if not vrf_exist and vrf_count == 0: self.logger.info("IPv6 VRF ID %d is not configured" % vrf_id) return VRFState.not_configured @@ -409,16 +446,17 @@ class TestIP6VrfMultiInst(VppTestCase): def run_crosswise_vrf_test(self): """ Create packet streams for every pg-ip6 interface in VRF towards all - pg-ip6 interfaces in other VRFs, send all prepared packet streams and \ + pg-ip6 interfaces in other VRFs, send all prepared packet streams and verify that: - - no packet received on all configured pg-ip6 interfaces + + - no packet received on all configured pg-ip6 interfaces :raise RuntimeError: If any packet is captured on any pg-ip6 interface. """ # Test # Create incoming packet streams for packet-generator interfaces for vrf_id in self.vrf_list: - for pg_if in self.pg_if_by_vrf_id[vrf_id]: + for pg_if in self.pg_if_sets[vrf_id]: pkts = self.create_stream_crosswise_vrf( pg_if, vrf_id, self.pg_if_packet_sizes) pg_if.add_stream(pkts) @@ -471,8 +509,8 @@ class TestIP6VrfMultiInst(VppTestCase): self.run_crosswise_vrf_test() # Reset routes learned from ICMPv6 Neighbor Discovery - for vrf_id in self.vrf_reset_list: - self.reset_vrf_and_remove_from_vrf_list(vrf_id) + # for vrf_id in self.vrf_reset_list: + # self.reset_vrf_and_remove_from_vrf_list(vrf_id) def test_ip6_vrf_03(self): """ IP6 VRF Multi-instance 3 - add 2 VRFs @@ -495,8 +533,8 @@ class TestIP6VrfMultiInst(VppTestCase): self.run_crosswise_vrf_test() # Reset routes learned from ICMPv6 Neighbor Discovery - for vrf_id in self.vrf_reset_list: - self.reset_vrf_and_remove_from_vrf_list(vrf_id) + # for vrf_id in self.vrf_reset_list: + # self.reset_vrf_and_remove_from_vrf_list(vrf_id) def test_ip6_vrf_04(self): """ IP6 VRF Multi-instance test 4 - reset 4 VRFs @@ -504,6 +542,7 @@ class TestIP6VrfMultiInst(VppTestCase): # Config 4 # Reset all VRFs (i.e. no VRF except VRF=0 configured) for i in range(len(self.vrf_list)): + # This call removes the first item of vrf_list as a side effect self.reset_vrf_and_remove_from_vrf_list(self.vrf_list[0]) # Verify 4 @@ -519,6 +558,78 @@ class TestIP6VrfMultiInst(VppTestCase): self.run_verify_test() self.run_crosswise_vrf_test() + def test_ip6_vrf_05(self): + """ IP6 VRF Multi-instance test 5 - auto allocate vrf id + """ + # Config 5 + # Create several VRFs + # Set vrf_id manually first + self.create_vrf_by_id_and_assign_interfaces(1, 10) + # Set vrf_id automatically a few times + auto_vrf_id = [ + self.create_vrf_by_id_and_assign_interfaces(i) for i in range(2, 5) + ] + + # Verify 5 + self.assert_equal(self.verify_vrf(10, 1), VRFState.configured, + VRFState) + for i, vrf in enumerate(auto_vrf_id): + self.assert_equal(self.verify_vrf(vrf, i+2), + VRFState.configured, VRFState) + + # Test 5 + self.run_verify_test() + + # Config 5.1 + # Reset VRFs + self.reset_vrf_and_remove_from_vrf_list(10, 1) + for i, vrf in enumerate(auto_vrf_id): + self.reset_vrf_and_remove_from_vrf_list(vrf, i+2) + + # Verify 5.1 + self.assert_equal(self.verify_vrf(10, 1), VRFState.reset, VRFState) + for i, vrf in enumerate(auto_vrf_id): + self.assert_equal(self.verify_vrf(vrf, i+2), + VRFState.reset, VRFState) + + vrf_list_length = len(self.vrf_list) + self.assertEqual( + vrf_list_length, 0, + "List of configured VRFs is not empty: %s != 0" % vrf_list_length) + + # Cleanup our extra created VRFs + for vrf in auto_vrf_id: + self.delete_vrf(vrf) + self.delete_vrf(5) + self.delete_vrf(10) + + def test_ip6_vrf_06(self): + """ IP6 VRF Multi-instance test 6 - recreate 4 VRFs + """ + # Reconfigure all the VRFs + self.create_vrf_and_assign_interfaces(4) + # Verify + for vrf_id in self.vrf_list: + self.assert_equal(self.verify_vrf(vrf_id), + VRFState.configured, VRFState) + # Test + self.run_verify_test() + self.run_crosswise_vrf_test() + # Cleanup + for i in range(len(self.vrf_list)): + self.reset_vrf_and_remove_from_vrf_list(self.vrf_list[0]) + # Verify + for vrf_id in self.vrf_reset_list: + self.assert_equal(self.verify_vrf(vrf_id), + VRFState.reset, VRFState) + vrf_list_length = len(self.vrf_list) + self.assertEqual( + vrf_list_length, 0, + "List of configured VRFs is not empty: %s != 0" % vrf_list_length) + # Test + self.run_verify_test() + self.run_crosswise_vrf_test() + if __name__ == '__main__': unittest.main(testRunner=VppTestRunner)