From 23403e01a3ece0b206bc8acf36c08b4bb538cb79 Mon Sep 17 00:00:00 2001 From: Carmine Scarpitta Date: Sun, 23 Mar 2025 16:57:15 +0100 Subject: [PATCH] tests: Add test case to verify SRv6 SID modify This commit adds a test case that modifies a SID and verifies that the RIB is as expected. Signed-off-by: Carmine Scarpitta --- .../expected_srv6_sids_sid_modify.json | 201 ++++++++++++++++++ tests/topotests/static_srv6_sids/r1/setup.sh | 3 + .../static_srv6_sids/test_static_srv6_sids.py | 38 ++++ 3 files changed, 242 insertions(+) create mode 100644 tests/topotests/static_srv6_sids/expected_srv6_sids_sid_modify.json diff --git a/tests/topotests/static_srv6_sids/expected_srv6_sids_sid_modify.json b/tests/topotests/static_srv6_sids/expected_srv6_sids_sid_modify.json new file mode 100644 index 0000000000..070b7ade20 --- /dev/null +++ b/tests/topotests/static_srv6_sids/expected_srv6_sids_sid_modify.json @@ -0,0 +1,201 @@ +{ + "fcbb:bbbb:1::/48": [ + { + "prefix": "fcbb:bbbb:1::/48", + "prefixLen": 48, + "protocol": "static", + "vrfId": 0, + "vrfName": "default", + "selected": true, + "destSelected": true, + "distance": 1, + "metric": 0, + "installed": true, + "table": 254, + "internalStatus": 16, + "internalFlags": 9, + "internalNextHopNum": 1, + "internalNextHopActiveNum": 1, + "nexthops": [ + { + "flags": 3, + "fib": true, + "directlyConnected": true, + "interfaceName": "sr0", + "active": true, + "weight": 1, + "seg6local": { + "action": "End", + "sidStructure": { + "blockLen": 32, + "nodeLen": 16, + "funcLen": 0, + "argLen": 0 + } + }, + "seg6localContext": { + + } + } + ] + } + ], + "fcbb:bbbb:1:fe10::/64": [ + { + "prefix": "fcbb:bbbb:1:fe10::/64", + "prefixLen": 64, + "protocol": "static", + "vrfId": 0, + "vrfName": "default", + "selected": true, + "destSelected": true, + "distance": 1, + "metric": 0, + "installed": true, + "table": 254, + "internalStatus": 16, + "internalFlags": 9, + "internalNextHopNum": 1, + "internalNextHopActiveNum": 1, + "nexthops": [ + { + "flags": 3, + "fib": true, + "directlyConnected": true, + "interfaceName": "Vrf10", + "active": true, + "weight": 1, + "seg6local": { + "action": "End.DT4", + "sidStructure": { + "blockLen": 32, + "nodeLen": 16, + "funcLen": 16, + "argLen": 0 + } + }, + "seg6localContext": { + "table": 10 + } + } + ] + } + ], + "fcbb:bbbb:1:fe20::/64": [ + { + "prefix": "fcbb:bbbb:1:fe20::/64", + "prefixLen": 64, + "protocol": "static", + "vrfId": 0, + "vrfName": "default", + "selected": true, + "destSelected": true, + "distance": 1, + "metric": 0, + "installed": true, + "table": 254, + "internalStatus": 16, + "internalFlags": 9, + "internalNextHopNum": 1, + "internalNextHopActiveNum": 1, + "nexthops": [ + { + "flags": 3, + "fib": true, + "directlyConnected": true, + "interfaceName": "Vrf40", + "active": true, + "weight": 1, + "seg6local": { + "action": "End.DT46", + "sidStructure": { + "blockLen": 32, + "nodeLen": 16, + "funcLen": 16, + "argLen": 0 + } + }, + "seg6localContext": { + "table": 40 + } + } + ] + } + ], + "fcbb:bbbb:1:fe30::/64": [ + { + "prefix": "fcbb:bbbb:1:fe30::/64", + "prefixLen": 64, + "protocol": "static", + "vrfId": 0, + "vrfName": "default", + "selected": true, + "destSelected": true, + "distance": 1, + "metric": 0, + "installed": true, + "table": 254, + "internalStatus": 16, + "internalFlags": 9, + "internalNextHopNum": 1, + "internalNextHopActiveNum": 1, + "nexthops": [ + { + "flags": 3, + "fib": true, + "directlyConnected": true, + "interfaceName": "Vrf30", + "active": true, + "weight": 1, + "seg6local": { + "action": "End.DT46", + "sidStructure": { + "blockLen": 32, + "nodeLen": 16, + "funcLen": 16, + "argLen": 0 + } + }, + "seg6localContext": { + "table": 30 + } + } + ] + } + ], + "fcbb:bbbb:1:fe40::/64": [ + { + "prefix": "fcbb:bbbb:1:fe40::/64", + "prefixLen": 64, + "protocol": "static", + "vrfId": 0, + "vrfName": "default", + "selected": true, + "destSelected": true, + "distance": 1, + "metric": 0, + "installed": true, + "table": 254, + "internalStatus": 16, + "internalFlags": 9, + "internalNextHopNum": 1, + "internalNextHopActiveNum": 1, + "nexthops": [ + { + "flags": 3, + "fib": true, + "directlyConnected": true, + "interfaceName": "sr0", + "active": true, + "weight": 1, + "seg6local": { + "action": "End.X" + }, + "seg6localContext": { + "nh6": "2001::2" + } + } + ] + } + ] +} \ No newline at end of file diff --git a/tests/topotests/static_srv6_sids/r1/setup.sh b/tests/topotests/static_srv6_sids/r1/setup.sh index 040be73914..99cbdee280 100644 --- a/tests/topotests/static_srv6_sids/r1/setup.sh +++ b/tests/topotests/static_srv6_sids/r1/setup.sh @@ -10,4 +10,7 @@ ip link set Vrf20 up ip link add Vrf30 type vrf table 30 ip link set Vrf30 up +ip link add Vrf40 type vrf table 40 +ip link set Vrf40 up + sysctl -w net.vrf.strict_mode=1 diff --git a/tests/topotests/static_srv6_sids/test_static_srv6_sids.py b/tests/topotests/static_srv6_sids/test_static_srv6_sids.py index 565b38f625..1ea94c8c07 100755 --- a/tests/topotests/static_srv6_sids/test_static_srv6_sids.py +++ b/tests/topotests/static_srv6_sids/test_static_srv6_sids.py @@ -172,6 +172,44 @@ def test_srv6_static_sids_sid_readd(): check_srv6_static_sids(router, "expected_srv6_sids.json") +def test_srv6_static_sids_sid_modify(): + """ + Modify the static SIDs and verify the routing table + """ + tgen = get_topogen() + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + router = tgen.gears["r1"] + + def _check_srv6_static_sids(router, expected_route_file): + logger.info("checking zebra srv6 static sids") + output = json.loads(router.vtysh_cmd("show ipv6 route static json")) + expected = open_json_file("{}/{}".format(CWD, expected_route_file)) + return topotest.json_cmp(output, expected) + + def check_srv6_static_sids(router, expected_file): + func = functools.partial(_check_srv6_static_sids, router, expected_file) + _, result = topotest.run_and_expect(func, None, count=15, wait=1) + assert result is None, "Failed" + + router.vtysh_cmd( + """ + configure terminal + segment-routing + srv6 + static-sids + sid fcbb:bbbb:1:fe20::/64 locator MAIN behavior uDT46 vrf Vrf40 + """ + ) + + # FOR DEVELOPER: + # If you want to stop some specific line and start interactive shell, + # please use tgen.mininet_cli() to start it. + + logger.info("Test for srv6 sids configuration") + check_srv6_static_sids(router, "expected_srv6_sids_sid_modify.json") + + def test_srv6_static_sids_sid_delete_all(): """ Remove all static SIDs and verify they get removed -- 2.39.5