From: Carmine Scarpitta Date: Sat, 23 Jul 2022 16:30:03 +0000 (+0200) Subject: tests: add new topotest to verify SRv6 locators X-Git-Tag: base_8.5~314^2~8 X-Git-Url: https://git.puffer.fish/?a=commitdiff_plain;h=589c6e949e186e78edaa6e71400db0a09a2c0311;p=matthieu%2Ffrr.git tests: add new topotest to verify SRv6 locators This commit adds a new topotest to verify the functionality of SRv6 locators with custom bits length parameters. Signed-off-by: Carmine Scarpitta --- diff --git a/tests/topotests/srv6_locator_custom_bits_length/__init__.py b/tests/topotests/srv6_locator_custom_bits_length/__init__.py new file mode 100644 index 0000000000..e69de29bb2 diff --git a/tests/topotests/srv6_locator_custom_bits_length/expected_chunks1.json b/tests/topotests/srv6_locator_custom_bits_length/expected_chunks1.json new file mode 100644 index 0000000000..fe51488c70 --- /dev/null +++ b/tests/topotests/srv6_locator_custom_bits_length/expected_chunks1.json @@ -0,0 +1 @@ +[] diff --git a/tests/topotests/srv6_locator_custom_bits_length/expected_chunks2.json b/tests/topotests/srv6_locator_custom_bits_length/expected_chunks2.json new file mode 100644 index 0000000000..9f34c58ff8 --- /dev/null +++ b/tests/topotests/srv6_locator_custom_bits_length/expected_chunks2.json @@ -0,0 +1,8 @@ +[ + { + "name": "loc1", + "chunks": [ + "2001:db8:1::/64" + ] + } +] diff --git a/tests/topotests/srv6_locator_custom_bits_length/expected_chunks3.json b/tests/topotests/srv6_locator_custom_bits_length/expected_chunks3.json new file mode 100644 index 0000000000..fe51488c70 --- /dev/null +++ b/tests/topotests/srv6_locator_custom_bits_length/expected_chunks3.json @@ -0,0 +1 @@ +[] diff --git a/tests/topotests/srv6_locator_custom_bits_length/expected_chunks4.json b/tests/topotests/srv6_locator_custom_bits_length/expected_chunks4.json new file mode 100644 index 0000000000..0d4f101c7a --- /dev/null +++ b/tests/topotests/srv6_locator_custom_bits_length/expected_chunks4.json @@ -0,0 +1,2 @@ +[ +] diff --git a/tests/topotests/srv6_locator_custom_bits_length/expected_chunks5.json b/tests/topotests/srv6_locator_custom_bits_length/expected_chunks5.json new file mode 100644 index 0000000000..0d4f101c7a --- /dev/null +++ b/tests/topotests/srv6_locator_custom_bits_length/expected_chunks5.json @@ -0,0 +1,2 @@ +[ +] diff --git a/tests/topotests/srv6_locator_custom_bits_length/expected_chunks6.json b/tests/topotests/srv6_locator_custom_bits_length/expected_chunks6.json new file mode 100644 index 0000000000..0d4f101c7a --- /dev/null +++ b/tests/topotests/srv6_locator_custom_bits_length/expected_chunks6.json @@ -0,0 +1,2 @@ +[ +] diff --git a/tests/topotests/srv6_locator_custom_bits_length/expected_locators1.json b/tests/topotests/srv6_locator_custom_bits_length/expected_locators1.json new file mode 100644 index 0000000000..e89a56a8e8 --- /dev/null +++ b/tests/topotests/srv6_locator_custom_bits_length/expected_locators1.json @@ -0,0 +1,34 @@ +{ + "locators":[ + { + "name": "loc1", + "prefix": "2001:db8:1::/64", + "blockBitsLength": 40, + "nodeBitsLength": 24, + "functionBitsLength": 16, + "argumentBitsLength": 0, + "statusUp": true, + "chunks": [ + { + "prefix": "2001:db8:1::/64", + "proto": "system" + } + ] + }, + { + "name": "loc2", + "prefix": "2001:db8:2::/48", + "blockBitsLength": 24, + "nodeBitsLength": 24, + "functionBitsLength": 16, + "argumentBitsLength": 0, + "statusUp": true, + "chunks": [ + { + "prefix": "2001:db8:2::/48", + "proto": "system" + } + ] + } + ] +} diff --git a/tests/topotests/srv6_locator_custom_bits_length/expected_locators2.json b/tests/topotests/srv6_locator_custom_bits_length/expected_locators2.json new file mode 100644 index 0000000000..f2ca09a439 --- /dev/null +++ b/tests/topotests/srv6_locator_custom_bits_length/expected_locators2.json @@ -0,0 +1,34 @@ +{ + "locators":[ + { + "name": "loc1", + "prefix": "2001:db8:1::/64", + "blockBitsLength": 40, + "nodeBitsLength": 24, + "functionBitsLength": 16, + "argumentBitsLength": 0, + "statusUp": true, + "chunks": [ + { + "prefix": "2001:db8:1::/64", + "proto": "sharp" + } + ] + }, + { + "name": "loc2", + "prefix": "2001:db8:2::/48", + "blockBitsLength": 24, + "nodeBitsLength": 24, + "functionBitsLength": 16, + "argumentBitsLength": 0, + "statusUp": true, + "chunks": [ + { + "prefix": "2001:db8:2::/48", + "proto": "system" + } + ] + } + ] +} diff --git a/tests/topotests/srv6_locator_custom_bits_length/expected_locators3.json b/tests/topotests/srv6_locator_custom_bits_length/expected_locators3.json new file mode 100644 index 0000000000..e89a56a8e8 --- /dev/null +++ b/tests/topotests/srv6_locator_custom_bits_length/expected_locators3.json @@ -0,0 +1,34 @@ +{ + "locators":[ + { + "name": "loc1", + "prefix": "2001:db8:1::/64", + "blockBitsLength": 40, + "nodeBitsLength": 24, + "functionBitsLength": 16, + "argumentBitsLength": 0, + "statusUp": true, + "chunks": [ + { + "prefix": "2001:db8:1::/64", + "proto": "system" + } + ] + }, + { + "name": "loc2", + "prefix": "2001:db8:2::/48", + "blockBitsLength": 24, + "nodeBitsLength": 24, + "functionBitsLength": 16, + "argumentBitsLength": 0, + "statusUp": true, + "chunks": [ + { + "prefix": "2001:db8:2::/48", + "proto": "system" + } + ] + } + ] +} diff --git a/tests/topotests/srv6_locator_custom_bits_length/expected_locators4.json b/tests/topotests/srv6_locator_custom_bits_length/expected_locators4.json new file mode 100644 index 0000000000..4c75d7ff52 --- /dev/null +++ b/tests/topotests/srv6_locator_custom_bits_length/expected_locators4.json @@ -0,0 +1,49 @@ +{ + "locators":[ + { + "name": "loc1", + "prefix": "2001:db8:1::/64", + "blockBitsLength": 40, + "nodeBitsLength": 24, + "functionBitsLength": 16, + "argumentBitsLength": 0, + "statusUp": true, + "chunks": [ + { + "prefix": "2001:db8:1::/64", + "proto": "system" + } + ] + }, + { + "name": "loc2", + "prefix": "2001:db8:2::/48", + "blockBitsLength": 24, + "nodeBitsLength": 24, + "functionBitsLength": 16, + "argumentBitsLength": 0, + "statusUp": true, + "chunks": [ + { + "prefix": "2001:db8:2::/48", + "proto": "system" + } + ] + }, + { + "name": "loc3", + "prefix": "2001:db8:3::/48", + "blockBitsLength": 32, + "nodeBitsLength": 16, + "functionBitsLength": 16, + "argumentBitsLength": 0, + "statusUp": true, + "chunks": [ + { + "prefix": "2001:db8:3::/48", + "proto": "system" + } + ] + } + ] +} diff --git a/tests/topotests/srv6_locator_custom_bits_length/expected_locators5.json b/tests/topotests/srv6_locator_custom_bits_length/expected_locators5.json new file mode 100644 index 0000000000..a01d313b66 --- /dev/null +++ b/tests/topotests/srv6_locator_custom_bits_length/expected_locators5.json @@ -0,0 +1,34 @@ +{ + "locators":[ + { + "name": "loc2", + "prefix": "2001:db8:2::/48", + "blockBitsLength": 24, + "nodeBitsLength": 24, + "functionBitsLength": 16, + "argumentBitsLength": 0, + "statusUp": true, + "chunks": [ + { + "prefix": "2001:db8:2::/48", + "proto": "system" + } + ] + }, + { + "name": "loc3", + "prefix": "2001:db8:3::/48", + "statusUp": true, + "blockBitsLength": 32, + "nodeBitsLength": 16, + "functionBitsLength": 16, + "argumentBitsLength": 0, + "chunks":[ + { + "prefix": "2001:db8:3::/48", + "proto": "system" + } + ] + } + ] +} diff --git a/tests/topotests/srv6_locator_custom_bits_length/expected_locators6.json b/tests/topotests/srv6_locator_custom_bits_length/expected_locators6.json new file mode 100644 index 0000000000..6e1b993ca8 --- /dev/null +++ b/tests/topotests/srv6_locator_custom_bits_length/expected_locators6.json @@ -0,0 +1,4 @@ +{ + "locators":[ + ] +} diff --git a/tests/topotests/srv6_locator_custom_bits_length/r1/setup.sh b/tests/topotests/srv6_locator_custom_bits_length/r1/setup.sh new file mode 100644 index 0000000000..36ed713f24 --- /dev/null +++ b/tests/topotests/srv6_locator_custom_bits_length/r1/setup.sh @@ -0,0 +1,2 @@ +ip link add dummy0 type dummy +ip link set dummy0 up diff --git a/tests/topotests/srv6_locator_custom_bits_length/r1/sharpd.conf b/tests/topotests/srv6_locator_custom_bits_length/r1/sharpd.conf new file mode 100644 index 0000000000..d46085935c --- /dev/null +++ b/tests/topotests/srv6_locator_custom_bits_length/r1/sharpd.conf @@ -0,0 +1,7 @@ +hostname r1 +! +log stdout notifications +log monitor notifications +log commands +log file sharpd.log debugging +! diff --git a/tests/topotests/srv6_locator_custom_bits_length/r1/zebra.conf b/tests/topotests/srv6_locator_custom_bits_length/r1/zebra.conf new file mode 100644 index 0000000000..30a520b798 --- /dev/null +++ b/tests/topotests/srv6_locator_custom_bits_length/r1/zebra.conf @@ -0,0 +1,22 @@ +hostname r1 +! +! debug zebra events +! debug zebra rib detailed +! +log stdout notifications +log monitor notifications +log commands +log file zebra.log debugging +! +segment-routing + srv6 + locators + locator loc1 + prefix 2001:db8:1::/64 + ! + locator loc2 + prefix 2001:db8:2::/48 + ! + ! + ! +! diff --git a/tests/topotests/srv6_locator_custom_bits_length/test_srv6_locator.py b/tests/topotests/srv6_locator_custom_bits_length/test_srv6_locator.py new file mode 100755 index 0000000000..ecc0856371 --- /dev/null +++ b/tests/topotests/srv6_locator_custom_bits_length/test_srv6_locator.py @@ -0,0 +1,160 @@ +#!/usr/bin/env python + +# Copyright (c) 2022, University of Rome Tor Vergata +# Authored by Carmine Scarpitta +# +# Permission to use, copy, modify, and/or distribute this software +# for any purpose with or without fee is hereby granted, provided +# that the above copyright notice and this permission notice appear +# in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NETDEF DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NETDEF BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY +# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS +# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE +# OF THIS SOFTWARE. +# + +""" +test_srv6_manager.py: +Test for SRv6 manager on zebra +""" + +import os +import sys +import json +import pytest +import functools + +CWD = os.path.dirname(os.path.realpath(__file__)) +sys.path.append(os.path.join(CWD, "../")) + +# pylint: disable=C0413 +from lib import topotest +from lib.topogen import Topogen, TopoRouter, get_topogen +from lib.topolog import logger + +pytestmark = [pytest.mark.bgpd, pytest.mark.sharpd] + + +def open_json_file(filename): + try: + with open(filename, "r") as f: + return json.load(f) + except IOError: + assert False, "Could not read file {}".format(filename) + + +def setup_module(mod): + tgen = Topogen({None: "r1"}, mod.__name__) + tgen.start_topology() + for rname, router in tgen.routers().items(): + router.run("/bin/bash {}/{}/setup.sh".format(CWD, rname)) + router.load_config( + TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format(rname)) + ) + router.load_config( + TopoRouter.RD_BGP, os.path.join(CWD, "{}/bgpd.conf".format(rname)) + ) + router.load_config( + TopoRouter.RD_SHARP, os.path.join(CWD, "{}/sharpd.conf".format(rname)) + ) + tgen.start_router() + + +def teardown_module(mod): + tgen = get_topogen() + tgen.stop_topology() + + +def test_srv6(): + tgen = get_topogen() + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + router = tgen.gears["r1"] + + def _check_srv6_locator(router, expected_locator_file): + logger.info("checking zebra locator status") + output = json.loads(router.vtysh_cmd("show segment-routing srv6 locator json")) + expected = open_json_file("{}/{}".format(CWD, expected_locator_file)) + return topotest.json_cmp(output, expected) + + def _check_sharpd_chunk(router, expected_chunk_file): + logger.info("checking sharpd locator chunk status") + output = json.loads(router.vtysh_cmd("show sharp segment-routing srv6 json")) + expected = open_json_file("{}/{}".format(CWD, expected_chunk_file)) + return topotest.json_cmp(output, expected) + + def check_srv6_locator(router, expected_file): + func = functools.partial(_check_srv6_locator, router, expected_file) + success, result = topotest.run_and_expect(func, None, count=5, wait=0.5) + assert result is None, "Failed" + + def check_sharpd_chunk(router, expected_file): + func = functools.partial(_check_sharpd_chunk, router, expected_file) + success, result = topotest.run_and_expect(func, None, count=5, wait=0.5) + assert result is None, "Failed" + + # FOR DEVELOPER: + # If you want to stop some specific line and start interactive shell, + # please use tgen.mininet_cli() to start it. + + logger.info("Test1 for Locator Configuration") + check_srv6_locator(router, "expected_locators1.json") + check_sharpd_chunk(router, "expected_chunks1.json") + + logger.info("Test2 get chunk for locator loc1") + router.vtysh_cmd("sharp srv6-manager get-locator-chunk loc1") + check_srv6_locator(router, "expected_locators2.json") + check_sharpd_chunk(router, "expected_chunks2.json") + + logger.info("Test3 release chunk for locator loc1") + router.vtysh_cmd("sharp srv6-manager release-locator-chunk loc1") + check_srv6_locator(router, "expected_locators3.json") + check_sharpd_chunk(router, "expected_chunks3.json") + + logger.info("Test4 additional locator loc3") + router.vtysh_cmd( + """ + configure terminal + segment-routing + srv6 + locators + locator loc3 + prefix 2001:db8:3::/48 func-bits 16 block-len 32 node-len 16 + """ + ) + check_srv6_locator(router, "expected_locators4.json") + check_sharpd_chunk(router, "expected_chunks4.json") + + logger.info("Test5 delete locator and chunk is released automatically") + router.vtysh_cmd( + """ + configure terminal + segment-routing + srv6 + locators + no locator loc1 + """ + ) + check_srv6_locator(router, "expected_locators5.json") + check_sharpd_chunk(router, "expected_chunks5.json") + + logger.info("Test6 delete srv6 all configuration") + router.vtysh_cmd( + """ + configure terminal + segment-routing + no srv6 + """ + ) + check_srv6_locator(router, "expected_locators6.json") + check_sharpd_chunk(router, "expected_chunks6.json") + + +if __name__ == "__main__": + args = ["-s"] + sys.argv[1:] + sys.exit(pytest.main(args))