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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-09 13:16:35 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-09 13:16:35 +0000 |
commit | e2bbf175a2184bd76f6c54ccf8456babeb1a46fc (patch) | |
tree | f0b76550d6e6f500ada964a3a4ee933a45e5a6f1 /tests/topotests/bgp_path_attributes_topo1 | |
parent | Initial commit. (diff) | |
download | frr-e2bbf175a2184bd76f6c54ccf8456babeb1a46fc.tar.xz frr-e2bbf175a2184bd76f6c54ccf8456babeb1a46fc.zip |
Adding upstream version 9.1.upstream/9.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/topotests/bgp_path_attributes_topo1')
3 files changed, 1891 insertions, 0 deletions
diff --git a/tests/topotests/bgp_path_attributes_topo1/__init__.py b/tests/topotests/bgp_path_attributes_topo1/__init__.py new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/tests/topotests/bgp_path_attributes_topo1/__init__.py diff --git a/tests/topotests/bgp_path_attributes_topo1/bgp_path_attributes.json b/tests/topotests/bgp_path_attributes_topo1/bgp_path_attributes.json new file mode 100644 index 0000000..de2bffa --- /dev/null +++ b/tests/topotests/bgp_path_attributes_topo1/bgp_path_attributes.json @@ -0,0 +1,363 @@ +{ + "ipv4base":"10.0.0.0", + "ipv4mask":30, + "ipv6base":"fd00::", + "ipv6mask":64, + "link_ip_start":{"ipv4":"10.0.0.0", "v4mask":30, "ipv6":"fd00::", "v6mask":64}, + "lo_prefix":{"ipv4":"1.0.", "v4mask":32, "ipv6":"2001:DB8:F::", "v6mask":128}, + "routers":{ + "r1":{ + "links":{ + "lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"}, + "r2":{"ipv4":"auto", "ipv6":"auto"}, + "r3":{"ipv4":"auto", "ipv6":"auto"} + }, + "route_maps": { + "rmap_global": [{ + "action": "permit", + "set": { + "ipv6": { + "nexthop": "prefer-global" + } + } + } + ] + }, + "bgp":{ + "local_as":"555", + "address_family": { + "ipv4": { + "unicast": { + "neighbor": { + "r2": { + "dest_link": { + "r1": { + "route_maps": [{ + "name": "rmap_global", + "direction": "in" + }] + } + } + }, + "r3": { + "dest_link": { + "r1": {} + } + } + } + } + }, + "ipv6": { + "unicast": { + "neighbor": { + "r2": { + "dest_link": { + "r1": { + "route_maps": [{ + "name": "rmap_global", + "direction": "in" + }] + } + } + }, + "r3": { + "dest_link": { + "r1": {} + } + } + } + } + } + } + } + }, + "r2":{ + "links":{ + "lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"}, + "r1": {"ipv4": "auto", "ipv6": "auto"}, + "r3": {"ipv4": "auto", "ipv6": "auto"}, + "r4-link1": {"ipv4": "auto", "ipv6": "auto"}, + "r4-link2": {"ipv4": "auto", "ipv6": "auto"} + }, + "bgp":{ + "local_as":"555", + "address_family": { + "ipv4": { + "unicast": { + "neighbor": { + "r1": { + "dest_link": { + "r2": {} + } + }, + "r3": { + "dest_link": { + "r2": {} + } + }, + "r4": { + "dest_link": { + "r2-link1": {} + } + } + } + } + }, + "ipv6": { + "unicast": { + "neighbor": { + "r1": { + "dest_link": { + "r2": {} + } + }, + "r3": { + "dest_link": { + "r2": {} + } + }, + "r4": { + "dest_link": { + "r2-link1": {} + } + } + } + } + } + } + } + }, + "r3":{ + "links":{ + "lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"}, + "r1":{"ipv4":"auto", "ipv6":"auto"}, + "r2":{"ipv4":"auto", "ipv6":"auto"}, + "r5":{"ipv4":"auto", "ipv6":"auto"} + }, + "bgp":{ + "local_as":"555", + "address_family": { + "ipv4": { + "unicast": { + "neighbor": { + "r1": { + "dest_link": { + "r3": {} + } + }, + "r2": { + "dest_link": { + "r3": {} + } + }, + "r5": { + "dest_link": { + "r3": {} + } + } + } + } + }, + "ipv6": { + "unicast": { + "neighbor": { + "r1": { + "dest_link": { + "r3": {} + } + }, + "r2": { + "dest_link": { + "r3": {} + } + }, + "r5": { + "dest_link": { + "r3": {} + } + } + } + } + } + } + } + }, + "r4":{ + "links":{ + "lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"}, + "r2-link1": {"ipv4": "auto", "ipv6": "auto"}, + "r2-link2": {"ipv4": "auto", "ipv6": "auto"}, + "r6": {"ipv4": "auto", "ipv6": "auto"} + }, + "bgp": { + "local_as": "666", + "address_family": { + "ipv4": { + "unicast": { + "neighbor": { + "r2": { + "dest_link": { + "r4-link1": {} + } + }, + "r6": { + "dest_link": { + "r4": {} + } + } + } + } + }, + "ipv6": { + "unicast": { + "neighbor": { + "r2": { + "dest_link": { + "r4-link1": {} + } + }, + "r6": { + "dest_link": { + "r4": {} + } + } + } + } + } + } + } + }, + "r5":{ + "links":{ + "lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"}, + "r3": {"ipv4": "auto", "ipv6": "auto"}, + "r7": {"ipv4": "auto", "ipv6": "auto"} + }, + "bgp":{ + "local_as":"666", + "address_family": { + "ipv4": { + "unicast": { + "neighbor": { + "r3": { + "dest_link": { + "r5": {} + } + }, + "r7": { + "dest_link": { + "r5": {} + } + } + } + } + }, + "ipv6": { + "unicast": { + "neighbor": { + "r3": { + "dest_link": { + "r5": {} + } + }, + "r7": { + "dest_link": { + "r5": {} + } + } + } + } + } + } + } + }, + "r6":{ + "links":{ + "lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"}, + "r4": {"ipv4": "auto", "ipv6": "auto"}, + "r7": {"ipv4": "auto", "ipv6": "auto"} + }, + "bgp":{ + "local_as":"777", + "address_family": { + "ipv4": { + "unicast": { + "neighbor": { + "r4": { + "dest_link": { + "r6": {} + } + }, + "r7": { + "dest_link": { + "r6": {} + } + } + } + } + }, + "ipv6": { + "unicast": { + "neighbor": { + "r4": { + "dest_link": { + "r6": {} + } + }, + "r7": { + "dest_link": { + "r6": {} + } + } + } + } + } + } + } + }, + "r7":{ + "links":{ + "lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"}, + "r5": {"ipv4": "auto", "ipv6": "auto"}, + "r6": {"ipv4": "auto", "ipv6": "auto"} + }, + "bgp":{ + "local_as":"888", + "address_family": { + "ipv4": { + "unicast": { + "neighbor": { + "r5": { + "dest_link": { + "r7": {} + } + }, + "r6": { + "dest_link": { + "r7": {} + } + } + } + } + }, + "ipv6": { + "unicast": { + "neighbor": { + "r5": { + "dest_link": { + "r7": {} + } + }, + "r6": { + "dest_link": { + "r7": {} + } + } + } + } + } + } + } + } + } +} diff --git a/tests/topotests/bgp_path_attributes_topo1/test_bgp_path_attributes.py b/tests/topotests/bgp_path_attributes_topo1/test_bgp_path_attributes.py new file mode 100644 index 0000000..df39032 --- /dev/null +++ b/tests/topotests/bgp_path_attributes_topo1/test_bgp_path_attributes.py @@ -0,0 +1,1528 @@ +#!/usr/bin/env python +# SPDX-License-Identifier: ISC + +# +# Modified work Copyright (c) 2019 by VMware, Inc. ("VMware") +# Original work Copyright (c) 2018 by Network Device Education +# Foundation, Inc. ("NetDEF") +# + +""" +Following tests are covered to test AS-Path functionality: + +Setup module: +- Create topology (setup module) +- Bring up topology +- Verify BGP convergence + +Test cases: +1. Test next_hop attribute and verify best path is installed as per + reachable next_hop +2. Test aspath attribute and verify best path is installed as per + shortest AS-Path +3. Test localpref attribute and verify best path is installed as per + shortest local-preference +4. Test weight attribute and and verify best path is installed as per + highest weight +5. Test origin attribute and verify best path is installed as per + IGP>EGP>INCOMPLETE rule +6. Test med attribute and verify best path is installed as per lowest + med value +7. Test admin distance and verify best path is installed as per lowest + admin distance + +Teardown module: +- Bring down the topology +- stop routers + +""" + +import os +import sys +import time +import pytest + +# Save the Current Working Directory to find configuration files. +CWD = os.path.dirname(os.path.realpath(__file__)) +sys.path.append(os.path.join(CWD, "../")) + +# pylint: disable=C0413 +# Import topogen and topotest helpers +from lib.topogen import Topogen, get_topogen + +# Required to instantiate the topology builder class. +from lib.common_config import ( + start_topology, + write_test_header, + write_test_footer, + reset_config_on_routers, + verify_rib, + create_static_routes, + create_prefix_lists, + create_route_maps, + check_address_types, +) +from lib.topolog import logger +from lib.bgp import ( + verify_bgp_convergence, + create_router_bgp, + verify_best_path_as_per_bgp_attribute, + verify_best_path_as_per_admin_distance, +) +from lib.topojson import build_config_from_json + + +pytestmark = [pytest.mark.bgpd, pytest.mark.staticd] + + +# Address read from env variables +ADDR_TYPES = check_address_types() + +#### +def setup_module(mod): + """ + Sets up the pytest environment + + * `mod`: module name + """ + + global ADDR_TYPES + + testsuite_run_time = time.asctime(time.localtime(time.time())) + logger.info("Testsuite start time: %s", testsuite_run_time) + logger.info("=" * 40) + + logger.info("Running setup_module to create topology") + + # This function initiates the topology build with Topogen... + json_file = "{}/bgp_path_attributes.json".format(CWD) + tgen = Topogen(json_file, mod.__name__) + global topo + topo = tgen.json_topo + # ... and here it calls Mininet initialization functions. + + # Starting topology, create tmp files which are loaded to routers + # to start daemons and then start routers + start_topology(tgen) + + # Creating configuration from JSON + build_config_from_json(tgen, topo) + + # Don't run this test if we have any failure. + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + # Checking BGP convergence + result = verify_bgp_convergence(tgen, topo) + assert result is True, "setup_module :Failed \n Error:" " {}".format(result) + + logger.info("Running setup_module() done") + + +def teardown_module(): + """ + Teardown the pytest environment + """ + + logger.info("Running teardown_module to delete topology") + + tgen = get_topogen() + + # Stop toplogy and Remove tmp files + tgen.stop_topology() + + logger.info("Testsuite end time: %s", time.asctime(time.localtime(time.time()))) + logger.info("=" * 40) + + +##################################################### +## +## Testcases +## +##################################################### + + +def test_next_hop_attribute(request): + """ + Verifying route are not getting installed in, as next_hop is + unreachable, Making next hop reachable using next_hop_self + command and verifying routes are installed. + """ + + tgen = get_topogen() + + # Don't run this test if we have any failure. + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + # test case name + tc_name = request.node.name + write_test_header(tc_name) + + # Creating configuration from JSON + reset_config_on_routers(tgen) + + # Api call to advertise networks + input_dict = { + "r7": { + "bgp": { + "address_family": { + "ipv4": { + "unicast": { + "advertise_networks": [ + {"network": "200.50.2.0/32"}, + {"network": "200.60.2.0/32"}, + ] + } + }, + "ipv6": { + "unicast": { + "advertise_networks": [ + {"network": "200:50:2::/128"}, + {"network": "200:60:2::/128"}, + ] + } + }, + } + } + } + } + result = create_router_bgp(tgen, topo, input_dict) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + # Verifying RIB routes + dut = "r1" + protocol = "bgp" + # Verification should fail as nexthop-self is not enabled + for addr_type in ADDR_TYPES: + result = verify_rib( + tgen, addr_type, dut, input_dict, protocol=protocol, expected=False + ) + assert ( + result is not True + ), "Testcase {} : Failed \n Error: " "{} routes are not present in RIB".format( + addr_type, tc_name + ) + + # Configure next-hop-self to bgp neighbor + input_dict_1 = { + "r2": { + "bgp": { + "address_family": { + "ipv4": { + "unicast": { + "neighbor": { + "r1": {"dest_link": {"r2": {"next_hop_self": True}}} + } + } + }, + "ipv6": { + "unicast": { + "neighbor": { + "r1": {"dest_link": {"r2": {"next_hop_self": True}}} + } + } + }, + } + } + }, + "r3": { + "bgp": { + "address_family": { + "ipv4": { + "unicast": { + "neighbor": { + "r1": {"dest_link": {"r3": {"next_hop_self": True}}} + } + } + }, + "ipv6": { + "unicast": { + "neighbor": { + "r1": {"dest_link": {"r3": {"next_hop_self": True}}} + } + } + }, + } + } + }, + } + + result = create_router_bgp(tgen, topo, input_dict_1) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + # Verifying RIB routes + dut = "r1" + protocol = "bgp" + for addr_type in ADDR_TYPES: + result = verify_rib(tgen, addr_type, dut, input_dict, protocol=protocol) + assert result is True, "Testcase {} : Failed \n Error: {}".format( + tc_name, result + ) + + write_test_footer(tc_name) + + +def test_aspath_attribute(request): + "Verifying AS_PATH attribute functionality" + + tgen = get_topogen() + + # Don't run this test if we have any failure. + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + # test case name + tc_name = request.node.name + write_test_header(tc_name) + + # Creating configuration from JSON + reset_config_on_routers(tgen) + + # Api call to advertise networks + input_dict = { + "r7": { + "bgp": { + "address_family": { + "ipv4": { + "unicast": { + "advertise_networks": [ + {"network": "200.50.2.0/32"}, + {"network": "200.60.2.0/32"}, + ] + } + }, + "ipv6": { + "unicast": { + "advertise_networks": [ + {"network": "200:50:2::/128"}, + {"network": "200:60:2::/128"}, + ] + } + }, + } + } + }, + "r2": { + "bgp": { + "address_family": { + "ipv4": { + "unicast": { + "neighbor": { + "r1": {"dest_link": {"r2": {"next_hop_self": True}}} + } + } + }, + "ipv6": { + "unicast": { + "neighbor": { + "r1": {"dest_link": {"r2": {"next_hop_self": True}}} + } + } + }, + } + } + }, + "r3": { + "bgp": { + "address_family": { + "ipv4": { + "unicast": { + "neighbor": { + "r1": {"dest_link": {"r3": {"next_hop_self": True}}} + } + } + }, + "ipv6": { + "unicast": { + "neighbor": { + "r1": {"dest_link": {"r3": {"next_hop_self": True}}} + } + } + }, + } + } + }, + } + result = create_router_bgp(tgen, topo, input_dict) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + # Verifying best path + dut = "r1" + attribute = "path" + for addr_type in ADDR_TYPES: + result = verify_best_path_as_per_bgp_attribute( + tgen, addr_type, dut, {"r7": input_dict["r7"]}, attribute + ) + assert result is True, "Testcase {} : Failed \n Error: {}".format( + tc_name, result + ) + + # Modify AS-Path and verify best path is changed + # Create Prefix list + + input_dict_2 = { + "r3": { + "prefix_lists": { + "ipv4": { + "pf_ls_1_ipv4": [ + { + "seqid": 10, + "network": "200.0.0.0/8", + "le": "32", + "action": "permit", + } + ] + }, + "ipv6": { + "pf_ls_1_ipv6": [ + { + "seqid": 10, + "network": "200::/8", + "le": "128", + "action": "permit", + } + ] + }, + } + } + } + result = create_prefix_lists(tgen, input_dict_2) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + # Create route map + input_dict_3 = { + "r3": { + "route_maps": { + "RMAP_AS_PATH": [ + { + "action": "permit", + "match": {"ipv4": {"prefix_lists": "pf_ls_1_ipv4"}}, + "set": {"path": {"as_num": "111 222", "as_action": "prepend"}}, + }, + { + "action": "permit", + "match": {"ipv6": {"prefix_lists": "pf_ls_1_ipv6"}}, + "set": {"path": {"as_num": "111 222", "as_action": "prepend"}}, + }, + ] + } + } + } + result = create_route_maps(tgen, input_dict_3) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + # Configure neighbor for route map + input_dict_4 = { + "r3": { + "bgp": { + "address_family": { + "ipv4": { + "unicast": { + "neighbor": { + "r5": { + "dest_link": { + "r3": { + "route_maps": [ + { + "name": "RMAP_AS_PATH", + "direction": "in", + } + ] + } + } + } + } + } + }, + "ipv6": { + "unicast": { + "neighbor": { + "r5": { + "dest_link": { + "r3": { + "route_maps": [ + { + "name": "RMAP_AS_PATH", + "direction": "in", + } + ] + } + } + } + } + } + }, + } + } + } + } + result = create_router_bgp(tgen, topo, input_dict_4) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + # Verifying best path + dut = "r1" + attribute = "path" + for addr_type in ADDR_TYPES: + result = verify_best_path_as_per_bgp_attribute( + tgen, addr_type, dut, {"r7": input_dict["r7"]}, attribute + ) + assert result is True, "Testcase {} : Failed \n Error: {}".format( + tc_name, result + ) + + write_test_footer(tc_name) + + +def test_localpref_attribute(request): + "Verifying LOCAL PREFERENCE attribute functionality" + + tgen = get_topogen() + + # Don't run this test if we have any failure. + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + # test case name + tc_name = request.node.name + write_test_header(tc_name) + + # Creating configuration from JSON + reset_config_on_routers(tgen) + + # Api call to advertise networks + input_dict = { + "r7": { + "bgp": { + "address_family": { + "ipv4": { + "unicast": { + "advertise_networks": [ + {"network": "200.50.2.0/32"}, + {"network": "200.60.2.0/32"}, + ] + } + }, + "ipv6": { + "unicast": { + "advertise_networks": [ + {"network": "200:50:2::/128"}, + {"network": "200:60:2::/128"}, + ] + } + }, + } + } + }, + "r2": { + "bgp": { + "address_family": { + "ipv4": { + "unicast": { + "neighbor": { + "r1": {"dest_link": {"r2": {"next_hop_self": True}}} + } + } + }, + "ipv6": { + "unicast": { + "neighbor": { + "r1": {"dest_link": {"r2": {"next_hop_self": True}}} + } + } + }, + } + } + }, + "r3": { + "bgp": { + "address_family": { + "ipv4": { + "unicast": { + "neighbor": { + "r1": {"dest_link": {"r3": {"next_hop_self": True}}} + } + } + }, + "ipv6": { + "unicast": { + "neighbor": { + "r1": {"dest_link": {"r3": {"next_hop_self": True}}} + } + } + }, + } + } + }, + } + + result = create_router_bgp(tgen, topo, input_dict) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + # Create Prefix list + input_dict_2 = { + "r2": { + "prefix_lists": { + "ipv4": { + "pf_ls_1_ipv4": [ + { + "seqid": 10, + "network": "200.0.0.0/8", + "le": "32", + "action": "permit", + } + ] + }, + "ipv6": { + "pf_ls_1_ipv6": [ + { + "seqid": 10, + "network": "200::/8", + "le": "128", + "action": "permit", + } + ] + }, + } + } + } + result = create_prefix_lists(tgen, input_dict_2) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + # Create route map + input_dict_3 = { + "r2": { + "route_maps": { + "RMAP_LOCAL_PREF": [ + { + "action": "permit", + "seq_id": "10", + "match": {"ipv4": {"prefix_lists": "pf_ls_1_ipv4"}}, + "set": {"locPrf": 1111}, + }, + { + "action": "permit", + "seq_id": "20", + "match": {"ipv6": {"prefix_lists": "pf_ls_1_ipv6"}}, + "set": {"locPrf": 1111}, + }, + ] + } + } + } + result = create_route_maps(tgen, input_dict_3) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + # Configure neighbor for route map + input_dict_4 = { + "r2": { + "bgp": { + "address_family": { + "ipv4": { + "unicast": { + "neighbor": { + "r4": { + "dest_link": { + "r2-link1": { + "route_maps": [ + { + "name": "RMAP_LOCAL_PREF", + "direction": "in", + } + ] + } + } + } + } + } + }, + "ipv6": { + "unicast": { + "neighbor": { + "r4": { + "dest_link": { + "r2-link1": { + "route_maps": [ + { + "name": "RMAP_LOCAL_PREF", + "direction": "in", + } + ] + } + } + } + } + } + }, + } + } + } + } + result = create_router_bgp(tgen, topo, input_dict_4) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + # Verifying best path + dut = "r1" + attribute = "locPrf" + for addr_type in ADDR_TYPES: + result = verify_best_path_as_per_bgp_attribute( + tgen, addr_type, dut, {"r7": input_dict["r7"]}, attribute + ) + assert result is True, "Testcase {} : Failed \n Error: {}".format( + tc_name, result + ) + + # Modify route map + input_dict_3 = { + "r2": { + "route_maps": { + "RMAP_LOCAL_PREF": [ + { + "action": "permit", + "seq_id": "10", + "match": {"ipv4": {"prefix_lists": "pf_ls_1_ipv4"}}, + "set": {"locPrf": 50}, + }, + { + "action": "permit", + "seq_id": "20", + "match": {"ipv6": {"prefix_lists": "pf_ls_1_ipv6"}}, + "set": {"locPrf": 50}, + }, + ] + } + } + } + result = create_route_maps(tgen, input_dict_3) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + # Verifying best path + dut = "r1" + attribute = "locPrf" + for addr_type in ADDR_TYPES: + result = verify_best_path_as_per_bgp_attribute( + tgen, addr_type, dut, {"r7": input_dict["r7"]}, attribute + ) + assert result is True, "Testcase {} : Failed \n Error: {}".format( + tc_name, result + ) + + write_test_footer(tc_name) + + +def test_weight_attribute(request): + """ + Test configure/modify weight attribute and + verify best path is installed as per highest weight + """ + + tgen = get_topogen() + + # Don't run this test if we have any failure. + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + # test case name + tc_name = request.node.name + write_test_header(tc_name) + + # Creating configuration from JSON + reset_config_on_routers(tgen) + + # Api call to advertise networks + input_dict = { + "r7": { + "bgp": { + "address_family": { + "ipv4": { + "unicast": { + "advertise_networks": [ + {"network": "200.50.2.0/32"}, + {"network": "200.60.2.0/32"}, + ] + } + }, + "ipv6": { + "unicast": { + "advertise_networks": [ + {"network": "200:50:2::/128"}, + {"network": "200:60:2::/128"}, + ] + } + }, + } + } + }, + "r2": { + "bgp": { + "address_family": { + "ipv4": { + "unicast": { + "neighbor": { + "r1": {"dest_link": {"r2": {"next_hop_self": True}}} + } + } + }, + "ipv6": { + "unicast": { + "neighbor": { + "r1": {"dest_link": {"r2": {"next_hop_self": True}}} + } + } + }, + } + } + }, + "r3": { + "bgp": { + "address_family": { + "ipv4": { + "unicast": { + "neighbor": { + "r1": {"dest_link": {"r3": {"next_hop_self": True}}} + } + } + }, + "ipv6": { + "unicast": { + "neighbor": { + "r1": {"dest_link": {"r3": {"next_hop_self": True}}} + } + } + }, + } + } + }, + } + result = create_router_bgp(tgen, topo, input_dict) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + # Create Prefix list + input_dict_2 = { + "r1": { + "prefix_lists": { + "ipv4": { + "pf_ls_1_ipv4": [ + { + "seqid": 10, + "network": "200.0.0.0/8", + "le": "32", + "action": "permit", + } + ] + }, + "ipv6": { + "pf_ls_1_ipv6": [ + { + "seqid": 10, + "network": "200::/8", + "le": "128", + "action": "permit", + } + ] + }, + } + } + } + result = create_prefix_lists(tgen, input_dict_2) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + # Create route map + input_dict_3 = { + "r1": { + "route_maps": { + "RMAP_WEIGHT": [ + { + "action": "permit", + "seq_id": "5", + "match": {"ipv4": {"prefix_lists": "pf_ls_1_ipv4"}}, + "set": {"weight": 500}, + }, + { + "action": "permit", + "seq_id": "10", + "match": {"ipv6": {"prefix_lists": "pf_ls_1_ipv6"}}, + "set": {"weight": 500}, + }, + ] + } + } + } + result = create_route_maps(tgen, input_dict_3) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + # Configure neighbor for route map + input_dict_4 = { + "r1": { + "bgp": { + "address_family": { + "ipv4": { + "unicast": { + "neighbor": { + "r2": { + "dest_link": { + "r1": { + "route_maps": [ + { + "name": "RMAP_WEIGHT", + "direction": "in", + } + ] + } + } + } + } + } + }, + "ipv6": { + "unicast": { + "neighbor": { + "r2": { + "dest_link": { + "r1": { + "route_maps": [ + { + "name": "RMAP_WEIGHT", + "direction": "in", + } + ] + } + } + } + } + } + }, + } + } + } + } + result = create_router_bgp(tgen, topo, input_dict_4) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + # Verifying best path + dut = "r1" + attribute = "weight" + for addr_type in ADDR_TYPES: + result = verify_best_path_as_per_bgp_attribute( + tgen, addr_type, dut, {"r7": input_dict["r7"]}, attribute + ) + assert result is True, "Testcase {} : Failed \n Error: {}".format( + tc_name, result + ) + + # Modify route map + input_dict_3 = { + "r1": { + "route_maps": { + "RMAP_WEIGHT": [ + { + "action": "permit", + "seq_id": "5", + "match": {"ipv4": {"prefix_lists": "pf_ls_1_ipv4"}}, + "set": {"weight": 1000}, + }, + { + "action": "permit", + "seq_id": "10", + "match": {"ipv6": {"prefix_lists": "pf_ls_1_ipv6"}}, + "set": {"weight": 1000}, + }, + ] + } + } + } + result = create_route_maps(tgen, input_dict_3) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + # Verifying best path + dut = "r1" + attribute = "weight" + for addr_type in ADDR_TYPES: + result = verify_best_path_as_per_bgp_attribute( + tgen, addr_type, dut, {"r7": input_dict["r7"]}, attribute + ) + assert result is True, "Testcase {} : Failed \n Error: {}".format( + tc_name, result + ) + + write_test_footer(tc_name) + + +def test_origin_attribute(request): + """ + Test origin attribute and verify best path is + installed as per IGP>EGP>INCOMPLETE rule + """ + + tgen = get_topogen() + + # Don't run this test if we have any failure. + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + # test case name + tc_name = request.node.name + write_test_header(tc_name) + + # Creating configuration from JSON + reset_config_on_routers(tgen) + + # Api call to advertise networks + input_dict = { + "r4": { + "bgp": { + "address_family": { + "ipv4": { + "unicast": { + "advertise_networks": [ + {"network": "200.50.2.0/32"}, + {"network": "200.60.2.0/32"}, + ] + } + }, + "ipv6": { + "unicast": { + "advertise_networks": [ + {"network": "200:50:2::/128"}, + {"network": "200:60:2::/128"}, + ] + } + }, + } + } + }, + "r2": { + "bgp": { + "address_family": { + "ipv4": { + "unicast": { + "neighbor": { + "r1": {"dest_link": {"r2": {"next_hop_self": True}}} + } + } + }, + "ipv6": { + "unicast": { + "neighbor": { + "r1": {"dest_link": {"r2": {"next_hop_self": True}}} + } + } + }, + } + } + }, + "r3": { + "bgp": { + "address_family": { + "ipv4": { + "unicast": { + "neighbor": { + "r1": {"dest_link": {"r3": {"next_hop_self": True}}} + } + } + }, + "ipv6": { + "unicast": { + "neighbor": { + "r1": {"dest_link": {"r3": {"next_hop_self": True}}} + } + } + }, + } + } + }, + "r5": { + "bgp": { + "address_family": { + "ipv4": { + "unicast": { + "redistribute": [ + {"redist_type": "static"}, + {"redist_type": "connected"}, + ] + } + }, + "ipv6": { + "unicast": { + "redistribute": [ + {"redist_type": "static"}, + {"redist_type": "connected"}, + ] + } + }, + } + } + }, + } + result = create_router_bgp(tgen, topo, input_dict) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + # Api call to create static routes + input_dict_3 = { + "r5": { + "static_routes": [ + {"network": "200.50.2.0/32", "next_hop": "Null0"}, + {"network": "200.60.2.0/32", "next_hop": "Null0"}, + {"network": "200:50:2::/128", "next_hop": "Null0"}, + {"network": "200:60:2::/128", "next_hop": "Null0"}, + ] + } + } + result = create_static_routes(tgen, input_dict_3) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + # Verifying best path + dut = "r1" + attribute = "origin" + for addr_type in ADDR_TYPES: + result = verify_best_path_as_per_bgp_attribute( + tgen, addr_type, dut, {"r4": input_dict["r4"]}, attribute + ) + assert result is True, "Testcase {} : Failed \n Error: {}".format( + tc_name, result + ) + + write_test_footer(tc_name) + + +def test_med_attribute(request): + """ + Test configure/modify MED attribute and verify best path + is installed as per lowest med value + """ + + tgen = get_topogen() + + # Don't run this test if we have any failure. + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + # test case name + tc_name = request.node.name + write_test_header(tc_name) + + # Creating configuration from JSON + reset_config_on_routers(tgen) + + # Api call to advertise networks + input_dict = { + "r4": { + "bgp": { + "address_family": { + "ipv4": { + "unicast": { + "advertise_networks": [ + {"network": "200.50.2.0/32"}, + {"network": "200.60.2.0/32"}, + ] + } + }, + "ipv6": { + "unicast": { + "advertise_networks": [ + {"network": "200:50:2::/128"}, + {"network": "200:60:2::/128"}, + ] + } + }, + } + } + }, + "r5": { + "bgp": { + "address_family": { + "ipv4": { + "unicast": { + "advertise_networks": [ + {"network": "200.50.2.0/32"}, + {"network": "200.60.2.0/32"}, + ] + } + }, + "ipv6": { + "unicast": { + "advertise_networks": [ + {"network": "200:50:2::/128"}, + {"network": "200:60:2::/128"}, + ] + } + }, + } + } + }, + } + + result = create_router_bgp(tgen, topo, input_dict) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + # Create Prefix list + input_dict_2 = { + "r2": { + "prefix_lists": { + "ipv4": { + "pf_ls_r2_ipv4": [ + { + "seqid": 10, + "network": "200.0.0.0/8", + "le": "32", + "action": "permit", + } + ] + }, + "ipv6": { + "pf_ls_r2_ipv6": [ + { + "seqid": 20, + "network": "200::/8", + "le": "128", + "action": "permit", + } + ] + }, + } + }, + "r3": { + "prefix_lists": { + "ipv4": { + "pf_ls_r3_ipv4": [ + { + "seqid": 10, + "network": "200.0.0.0/8", + "le": "32", + "action": "permit", + } + ] + }, + "ipv6": { + "pf_ls_r3_ipv6": [ + { + "seqid": 20, + "network": "200::/8", + "le": "128", + "action": "permit", + } + ] + }, + } + }, + } + result = create_prefix_lists(tgen, input_dict_2) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + # Create route map + input_dict_3 = { + "r2": { + "route_maps": { + "RMAP_MED_R2": [ + { + "action": "permit", + "seq_id": "10", + "match": {"ipv4": {"prefix_lists": "pf_ls_r2_ipv4"}}, + "set": {"metric": 100}, + }, + { + "action": "permit", + "seq_id": "20", + "match": {"ipv6": {"prefix_lists": "pf_ls_r2_ipv6"}}, + "set": {"metric": 100}, + }, + ] + } + }, + "r3": { + "route_maps": { + "RMAP_MED_R3": [ + { + "action": "permit", + "seq_id": "10", + "match": {"ipv4": {"prefix_lists": "pf_ls_r3_ipv4"}}, + "set": {"metric": 10}, + }, + { + "action": "permit", + "seq_id": "20", + "match": {"ipv6": {"prefix_lists": "pf_ls_r3_ipv6"}}, + "set": {"metric": 10}, + }, + ] + } + }, + } + result = create_route_maps(tgen, input_dict_3) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + # Configure neighbor for route map + input_dict_4 = { + "r2": { + "bgp": { + "address_family": { + "ipv4": { + "unicast": { + "neighbor": { + "r4": { + "dest_link": { + "r2-link1": { + "route_maps": [ + { + "name": "RMAP_MED_R2", + "direction": "in", + } + ] + } + } + }, + "r1": {"dest_link": {"r2": {"next_hop_self": True}}}, + } + } + }, + "ipv6": { + "unicast": { + "neighbor": { + "r4": { + "dest_link": { + "r2-link1": { + "route_maps": [ + { + "name": "RMAP_MED_R2", + "direction": "in", + } + ] + } + } + }, + "r1": {"dest_link": {"r2": {"next_hop_self": True}}}, + } + } + }, + } + } + }, + "r3": { + "bgp": { + "address_family": { + "ipv4": { + "unicast": { + "neighbor": { + "r1": {"dest_link": {"r3": {"next_hop_self": True}}}, + "r5": { + "dest_link": { + "r3": { + "route_maps": [ + { + "name": "RMAP_MED_R3", + "direction": "in", + } + ] + } + } + }, + } + } + }, + "ipv6": { + "unicast": { + "neighbor": { + "r1": {"dest_link": {"r3": {"next_hop_self": True}}}, + "r5": { + "dest_link": { + "r3": { + "route_maps": [ + { + "name": "RMAP_MED_R3", + "direction": "in", + } + ] + } + } + }, + } + } + }, + } + } + }, + } + + result = create_router_bgp(tgen, topo, input_dict_4) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + # Verifying best path + dut = "r1" + attribute = "metric" + for addr_type in ADDR_TYPES: + result = verify_best_path_as_per_bgp_attribute( + tgen, addr_type, dut, input_dict, attribute + ) + assert result is True, "Testcase {} : Failed \n Error: {}".format( + tc_name, result + ) + + # Modify route-map to set med value + input_dict_3 = { + "r3": { + "route_maps": { + "RMAP_MED_R3": [ + { + "action": "permit", + "seq_id": "10", + "match": {"ipv4": {"prefix_lists": "pf_ls_r3_ipv4"}}, + "set": {"metric": 200}, + }, + { + "action": "permit", + "seq_id": "20", + "match": {"ipv6": {"prefix_lists": "pf_ls_r3_ipv6"}}, + "set": {"metric": 200}, + }, + ] + } + } + } + + result = create_route_maps(tgen, input_dict_3) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + # Verifying best path + dut = "r1" + attribute = "metric" + for addr_type in ADDR_TYPES: + result = verify_best_path_as_per_bgp_attribute( + tgen, addr_type, dut, input_dict, attribute + ) + assert result is True, "Testcase {} : Failed \n Error: {}".format( + tc_name, result + ) + + write_test_footer(tc_name) + + # Uncomment next line for debugging + # tgen.mininet_cli() + + +def test_admin_distance(request): + "Verifying admin distance functionality" + + tgen = get_topogen() + + # Don't run this test if we have any failure. + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + # test case name + tc_name = request.node.name + write_test_header(tc_name) + + # Creating configuration from JSON + reset_config_on_routers(tgen) + + # Api call to create static routes + input_dict = { + "r2": { + "static_routes": [ + { + "network": "200.50.2.0/32", + "admin_distance": 80, + "next_hop": "10.0.0.14", + }, + { + "network": "200.50.2.0/32", + "admin_distance": 60, + "next_hop": "10.0.0.18", + }, + { + "network": "200:50:2::/128", + "admin_distance": 80, + "next_hop": "fd00::1", + }, + { + "network": "200:50:2::/128", + "admin_distance": 60, + "next_hop": "fd00::1", + }, + ] + } + } + result = create_static_routes(tgen, input_dict) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + # Api call to redistribute static routes + input_dict_2 = { + "r2": { + "bgp": { + "address_family": { + "ipv4": { + "unicast": { + "redistribute": [ + {"redist_type": "static"}, + {"redist_type": "connected"}, + ] + } + }, + "ipv6": { + "unicast": { + "redistribute": [ + {"redist_type": "static"}, + {"redist_type": "connected"}, + ] + } + }, + } + } + } + } + result = create_router_bgp(tgen, input_dict_2) + assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result) + + # Verifying best path + dut = "r1" + attribute = "admin_distance" + + input_dict = { + "ipv4": { + "r2": { + "static_routes": [ + { + "network": "200.50.2.0/32", + "admin_distance": 80, + "next_hop": "10.0.0.14", + }, + { + "network": "200.50.2.0/32", + "admin_distance": 60, + "next_hop": "10.0.0.18", + }, + ] + } + }, + "ipv6": { + "r2": { + "static_routes": [ + { + "network": "200:50:2::/128", + "admin_distance": 80, + "next_hop": "fd00::1", + }, + { + "network": "200:50:2::/128", + "admin_distance": 60, + "next_hop": "fd00::1", + }, + ] + } + }, + } + + for addr_type in ADDR_TYPES: + result = verify_best_path_as_per_admin_distance( + tgen, addr_type, dut, input_dict[addr_type], attribute + ) + assert result is True, "Testcase {} : Failed \n Error: {}".format( + tc_name, result + ) + + write_test_footer(tc_name) + + +if __name__ == "__main__": + args = ["-s"] + sys.argv[1:] + sys.exit(pytest.main(args)) |