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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/pim_basic | |
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/pim_basic')
-rwxr-xr-x | tests/topotests/pim_basic/mcast-rx.py | 79 | ||||
-rwxr-xr-x | tests/topotests/pim_basic/mcast-tx.py | 84 | ||||
-rw-r--r-- | tests/topotests/pim_basic/r1/bgpd.conf | 5 | ||||
-rw-r--r-- | tests/topotests/pim_basic/r1/pimd.conf | 18 | ||||
-rw-r--r-- | tests/topotests/pim_basic/r1/rp-info.json | 9 | ||||
-rw-r--r-- | tests/topotests/pim_basic/r1/zebra.conf | 14 | ||||
-rw-r--r-- | tests/topotests/pim_basic/r2/pimd.conf | 1 | ||||
-rw-r--r-- | tests/topotests/pim_basic/r2/zebra.conf | 8 | ||||
-rw-r--r-- | tests/topotests/pim_basic/r3/pimd.conf | 1 | ||||
-rw-r--r-- | tests/topotests/pim_basic/r3/zebra.conf | 8 | ||||
-rw-r--r-- | tests/topotests/pim_basic/rp/bgpd.conf | 5 | ||||
-rw-r--r-- | tests/topotests/pim_basic/rp/pimd.conf | 13 | ||||
-rw-r--r-- | tests/topotests/pim_basic/rp/upstream.json | 17 | ||||
-rw-r--r-- | tests/topotests/pim_basic/rp/zebra.conf | 8 | ||||
-rw-r--r-- | tests/topotests/pim_basic/test_pim.py | 235 |
15 files changed, 505 insertions, 0 deletions
diff --git a/tests/topotests/pim_basic/mcast-rx.py b/tests/topotests/pim_basic/mcast-rx.py new file mode 100755 index 0000000..d05ed1a --- /dev/null +++ b/tests/topotests/pim_basic/mcast-rx.py @@ -0,0 +1,79 @@ +#!/usr/bin/env python3 +# SPDX-License-Identifier: ISC +# +# mcast-rx.py +# +# Copyright (c) 2018 Cumulus Networks, Inc. +# +""" +Subscribe to a multicast group so that the kernel sends an IGMP JOIN +for the multicast group we subscribed to. +""" + +import argparse +import logging +import re +import os +import socket +import subprocess +import struct +import sys +import time + + +def ifname_to_ifindex(ifname): + output = subprocess.check_output( + "ip link show %s" % ifname, shell=True, universal_newlines=True + ) + first_line = output.split("\n")[0] + re_index = re.search("^(\d+):", first_line) + + if re_index: + return int(re_index.group(1)) + + log.error("Could not parse the ifindex for %s out of\n%s" % (ifname, first_line)) + return None + + +# Thou shalt be root +if os.geteuid() != 0: + sys.stderr.write("ERROR: You must have root privileges\n") + sys.exit(1) + + +logging.basicConfig( + level=logging.DEBUG, format="%(asctime)s %(levelname)5s: %(message)s" +) + +# Color the errors and warnings in red +logging.addLevelName( + logging.ERROR, "\033[91m %s\033[0m" % logging.getLevelName(logging.ERROR) +) +logging.addLevelName( + logging.WARNING, "\033[91m%s\033[0m" % logging.getLevelName(logging.WARNING) +) +log = logging.getLogger(__name__) + +parser = argparse.ArgumentParser(description="Multicast RX utility") + +parser.add_argument("group", help="Multicast IP") +parser.add_argument("ifname", help="Interface name") +parser.add_argument("--port", help="UDP port", default=1000) +parser.add_argument("--sleep", help="Time to sleep before we stop waiting", default=5) +args = parser.parse_args() + +# Create the datagram socket +sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) +sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) +sock.bind((args.group, args.port)) + +newpid = os.fork() + +if newpid == 0: + ifindex = ifname_to_ifindex(args.ifname) + mreq = struct.pack( + "=4sLL", socket.inet_aton(args.group), socket.INADDR_ANY, ifindex + ) + sock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq) + time.sleep(float(args.sleep)) + sock.close() diff --git a/tests/topotests/pim_basic/mcast-tx.py b/tests/topotests/pim_basic/mcast-tx.py new file mode 100755 index 0000000..ed3faf4 --- /dev/null +++ b/tests/topotests/pim_basic/mcast-tx.py @@ -0,0 +1,84 @@ +#!/usr/bin/env python3 +# SPDX-License-Identifier: ISC +# +# mcast-tx.py +# +# Copyright (c) 2018 Cumulus Networks, Inc. +# + +import argparse +import logging +import socket +import struct +import time +import sys + +logging.basicConfig( + level=logging.DEBUG, format="%(asctime)s %(levelname)5s: %(message)s" +) + +# Color the errors and warnings in red +logging.addLevelName( + logging.ERROR, "\033[91m %s\033[0m" % logging.getLevelName(logging.ERROR) +) +logging.addLevelName( + logging.WARNING, "\033[91m%s\033[0m" % logging.getLevelName(logging.WARNING) +) +log = logging.getLogger(__name__) + +parser = argparse.ArgumentParser(description="Multicast packet generator") +parser.add_argument("group", help="Multicast IP") +parser.add_argument("ifname", help="Interface name") +parser.add_argument("--port", type=int, help="UDP port number", default=1000) +parser.add_argument("--ttl", type=int, help="time-to-live", default=20) +parser.add_argument("--count", type=int, help="Packets to send", default=1) +parser.add_argument("--interval", type=int, help="ms between packets", default=100) +args = parser.parse_args() + +# Create the datagram socket +sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) + +# IN.SO_BINDTODEVICE is not defined in some releases of python but it is 25 +# https://github.com/sivel/bonding/issues/10 +# +# Bind our socket to ifname +# +# Note ugly python version incompatibility +# +if sys.version_info[0] > 2: + sock.setsockopt( + socket.SOL_SOCKET, + 25, + struct.pack("%ds" % len(args.ifname), args.ifname.encode("utf-8")), + ) +else: + sock.setsockopt( + socket.SOL_SOCKET, 25, struct.pack("%ds" % len(args.ifname), args.ifname) + ) + +# We need to make sure our sendto() finishes before we close the socket +sock.setblocking(1) + +# Set the time-to-live +sock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, struct.pack("b", args.ttl)) + +ms = args.interval / 1000.0 + +# Send data to the multicast group +for x in range(args.count): + log.info( + "TX multicast UDP packet to %s:%d on %s" % (args.group, args.port, args.ifname) + ) + + # + # Note ugly python version incompatibility + # + if sys.version_info[0] > 2: + sent = sock.sendto(b"foobar %d" % x, (args.group, args.port)) + else: + sent = sock.sendto("foobar %d" % x, (args.group, args.port)) + + if args.count > 1 and ms: + time.sleep(ms) + +sock.close() diff --git a/tests/topotests/pim_basic/r1/bgpd.conf b/tests/topotests/pim_basic/r1/bgpd.conf new file mode 100644 index 0000000..84d9598 --- /dev/null +++ b/tests/topotests/pim_basic/r1/bgpd.conf @@ -0,0 +1,5 @@ +router bgp 65001 + no bgp ebgp-requires-policy + neighbor 10.0.30.3 remote-as external + neighbor 10.0.30.3 timers 3 10 + redistribute connected diff --git a/tests/topotests/pim_basic/r1/pimd.conf b/tests/topotests/pim_basic/r1/pimd.conf new file mode 100644 index 0000000..737019f --- /dev/null +++ b/tests/topotests/pim_basic/r1/pimd.conf @@ -0,0 +1,18 @@ +hostname r1 +! +interface r1-eth0 + ip igmp + ip pim +! +interface r1-eth1 + ip pim +! +interface r1-eth2 + ip igmp + ip pim +! +interface lo + ip pim +! +ip pim rp 10.254.0.3 +ip pim join-prune-interval 5 diff --git a/tests/topotests/pim_basic/r1/rp-info.json b/tests/topotests/pim_basic/r1/rp-info.json new file mode 100644 index 0000000..1f713c2 --- /dev/null +++ b/tests/topotests/pim_basic/r1/rp-info.json @@ -0,0 +1,9 @@ +{ + "10.254.0.3":[ + { + "outboundInterface":"r1-eth1", + "group":"224.0.0.0\/4", + "source":"Static" + } + ] +} diff --git a/tests/topotests/pim_basic/r1/zebra.conf b/tests/topotests/pim_basic/r1/zebra.conf new file mode 100644 index 0000000..e430417 --- /dev/null +++ b/tests/topotests/pim_basic/r1/zebra.conf @@ -0,0 +1,14 @@ +hostname r1 +! +interface r1-eth0 + ip address 10.0.20.1/24 +! +interface r1-eth1 + ip address 10.0.30.1/24 +! +interface r1-eth2 + ip address 10.0.40.1/24 +! +interface lo + ip address 10.254.0.1/32 +! diff --git a/tests/topotests/pim_basic/r2/pimd.conf b/tests/topotests/pim_basic/r2/pimd.conf new file mode 100644 index 0000000..932cff6 --- /dev/null +++ b/tests/topotests/pim_basic/r2/pimd.conf @@ -0,0 +1 @@ +hostname r2 diff --git a/tests/topotests/pim_basic/r2/zebra.conf b/tests/topotests/pim_basic/r2/zebra.conf new file mode 100644 index 0000000..cb30858 --- /dev/null +++ b/tests/topotests/pim_basic/r2/zebra.conf @@ -0,0 +1,8 @@ +hostname r2 +! +interface r2-eth0 + ip address 10.0.20.2/24 +! +interface lo + ip address 10.254.0.2/32 +! diff --git a/tests/topotests/pim_basic/r3/pimd.conf b/tests/topotests/pim_basic/r3/pimd.conf new file mode 100644 index 0000000..f94ee99 --- /dev/null +++ b/tests/topotests/pim_basic/r3/pimd.conf @@ -0,0 +1 @@ +hostname r3 diff --git a/tests/topotests/pim_basic/r3/zebra.conf b/tests/topotests/pim_basic/r3/zebra.conf new file mode 100644 index 0000000..8e58e8c --- /dev/null +++ b/tests/topotests/pim_basic/r3/zebra.conf @@ -0,0 +1,8 @@ +hostname r3 +! +interface r3-eth0 + ip address 10.0.40.4/24 +! +interface lo + ip address 10.254.0.4/32 +! diff --git a/tests/topotests/pim_basic/rp/bgpd.conf b/tests/topotests/pim_basic/rp/bgpd.conf new file mode 100644 index 0000000..1bfae60 --- /dev/null +++ b/tests/topotests/pim_basic/rp/bgpd.conf @@ -0,0 +1,5 @@ +router bgp 65003 + no bgp ebgp-requires-policy + neighbor 10.0.30.1 remote-as external + neighbor 10.0.30.1 timers 3 10 + redistribute connected diff --git a/tests/topotests/pim_basic/rp/pimd.conf b/tests/topotests/pim_basic/rp/pimd.conf new file mode 100644 index 0000000..fd26bc4 --- /dev/null +++ b/tests/topotests/pim_basic/rp/pimd.conf @@ -0,0 +1,13 @@ +hostname rp +! +interface rp-eth0 + ip pim +! +interface lo + ip pim +! +ip pim join-prune-interval 5 +ip pim rp 10.254.0.3 +ip pim register-accept-list ACCEPT + +ip prefix-list ACCEPT seq 5 permit 10.0.20.0/24 le 32 diff --git a/tests/topotests/pim_basic/rp/upstream.json b/tests/topotests/pim_basic/rp/upstream.json new file mode 100644 index 0000000..c33dea4 --- /dev/null +++ b/tests/topotests/pim_basic/rp/upstream.json @@ -0,0 +1,17 @@ +{ + "229.1.1.1":{ + "10.0.20.2":{ + "sourceStream":true, + "inboundInterface":"rp-eth0", + "rpfAddress":"10.0.20.2", + "source":"10.0.20.2", + "group":"229.1.1.1", + "state":"NotJ", + "joinState":"NotJoined", + "regState":"RegNoInfo", + "resetTimer":"--:--:--", + "refCount":1, + "sptBit":0 + } + } +} diff --git a/tests/topotests/pim_basic/rp/zebra.conf b/tests/topotests/pim_basic/rp/zebra.conf new file mode 100644 index 0000000..0a1359e --- /dev/null +++ b/tests/topotests/pim_basic/rp/zebra.conf @@ -0,0 +1,8 @@ +hostname rp +! +interface rp-eth0 + ip address 10.0.30.3/24 +! +interface lo + ip address 10.254.0.3/32 +! diff --git a/tests/topotests/pim_basic/test_pim.py b/tests/topotests/pim_basic/test_pim.py new file mode 100644 index 0000000..24987e5 --- /dev/null +++ b/tests/topotests/pim_basic/test_pim.py @@ -0,0 +1,235 @@ +#!/usr/bin/env python +# SPDX-License-Identifier: ISC + +# +# test_pim.py +# +# Copyright (c) 2018 Cumulus Networks, Inc. +# Donald Sharp +# + +""" +test_pim.py: Test pim +""" + +import os +import sys +import pytest +import json +from functools import partial + +pytestmark = pytest.mark.pimd + +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.pimd] + + +def build_topo(tgen): + "Build function" + + for routern in range(1, 4): + tgen.add_router("r{}".format(routern)) + + tgen.add_router("rp") + + # rp ------ r1 -------- r2 + # \ + # --------- r3 + # r1 -> .1 + # r2 -> .2 + # rp -> .3 + # r3 -> .4 + # loopback network is 10.254.0.X/32 + # + # r1 <- sw1 -> r2 + # r1-eth0 <-> r2-eth0 + # 10.0.20.0/24 + sw = tgen.add_switch("sw1") + sw.add_link(tgen.gears["r1"]) + sw.add_link(tgen.gears["r2"]) + + # r1 <- sw2 -> rp + # r1-eth1 <-> rp-eth0 + # 10.0.30.0/24 + sw = tgen.add_switch("sw2") + sw.add_link(tgen.gears["r1"]) + sw.add_link(tgen.gears["rp"]) + + # 10.0.40.0/24 + sw = tgen.add_switch("sw3") + sw.add_link(tgen.gears["r1"]) + sw.add_link(tgen.gears["r3"]) + + +def setup_module(mod): + "Sets up the pytest environment" + tgen = Topogen(build_topo, mod.__name__) + tgen.start_topology() + + # For all registered routers, load the zebra configuration file + for rname, router in tgen.routers().items(): + router.load_config( + TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format(rname)) + ) + router.load_config( + TopoRouter.RD_PIM, os.path.join(CWD, "{}/pimd.conf".format(rname)) + ) + router.load_config( + TopoRouter.RD_BGP, os.path.join(CWD, "{}/bgpd.conf".format(rname)) + ) + + # After loading the configurations, this function loads configured daemons. + tgen.start_router() + # tgen.mininet_cli() + + +def teardown_module(mod): + "Teardown the pytest environment" + tgen = get_topogen() + + # This function tears down the whole topology. + tgen.stop_topology() + + +def test_pim_rp_setup(): + "Ensure basic routing has come up and the rp has an outgoing interface" + # Ensure rp and r1 establish pim neighbor ship and bgp has come up + # Finally ensure that the rp has an outgoing interface on r1 + tgen = get_topogen() + + r1 = tgen.gears["r1"] + json_file = "{}/{}/rp-info.json".format(CWD, r1.name) + expected = json.loads(open(json_file).read()) + + test_func = partial( + topotest.router_json_cmp, r1, "show ip pim rp-info json", expected + ) + _, result = topotest.run_and_expect(test_func, None, count=30, wait=1) + assertmsg = '"{}" JSON output mismatches'.format(r1.name) + assert result is None, assertmsg + # tgen.mininet_cli() + + +def test_pim_send_mcast_stream(): + "Establish a Multicast stream from r2 -> r1 and then ensure S,G is created as appropriate" + logger.info("Establish a Mcast stream from r2->r1 and then ensure S,G created") + + tgen = get_topogen() + + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + rp = tgen.gears["rp"] + r3 = tgen.gears["r3"] + r2 = tgen.gears["r2"] + r1 = tgen.gears["r1"] + + # Let's establish a S,G stream from r2 -> r1 + CWD = os.path.dirname(os.path.realpath(__file__)) + r2.run( + "{}/mcast-tx.py --ttl 5 --count 40 --interval 2 229.1.1.1 r2-eth0 > /tmp/bar".format( + CWD + ) + ) + # And from r3 -> r1 + r3.run( + "{}/mcast-tx.py --ttl 5 --count 40 --interval 2 229.1.1.1 r3-eth0 > /tmp/bar".format( + CWD + ) + ) + + # Let's see that it shows up and we have established some basic state + out = r1.vtysh_cmd("show ip pim upstream json", isjson=True) + expected = { + "229.1.1.1": { + "10.0.20.2": { + "firstHopRouter": 1, + "joinState": "NotJoined", + "regState": "RegPrune", + "inboundInterface": "r1-eth0", + } + } + } + + test_func = partial( + topotest.router_json_cmp, r1, "show ip pim upstream json", expected + ) + _, result = topotest.run_and_expect(test_func, None, count=40, wait=1) + assert result is None, "failed to converge pim" + # tgen.mininet_cli() + + +def test_pim_rp_sees_stream(): + "Ensure that the RP sees the stream and has acted accordingly" + tgen = get_topogen() + + rp = tgen.gears["rp"] + json_file = "{}/{}/upstream.json".format(CWD, rp.name) + expected = json.loads(open(json_file).read()) + + test_func = partial( + topotest.router_json_cmp, rp, "show ip pim upstream json", expected + ) + _, result = topotest.run_and_expect(test_func, None, count=40, wait=1) + assertmsg = '"{}" JSON output mismatches'.format(rp.name) + assert result is None, assertmsg + + +def test_pim_igmp_report(): + "Send a igmp report from r2->r1 and ensure that the *,G state is created on r1" + logger.info("Send a igmp report from r2-r1 and ensure *,G created") + + tgen = get_topogen() + + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + r2 = tgen.gears["r2"] + r1 = tgen.gears["r1"] + + # Let's send a igmp report from r2->r1 + cmd = [os.path.join(CWD, "mcast-rx.py"), "229.1.1.2", "r2-eth0"] + p = r2.popen(cmd) + try: + expected = { + "229.1.1.2": { + "*": { + "sourceIgmp": 1, + "joinState": "Joined", + "regState": "RegNoInfo", + "sptBit": 0, + } + } + } + test_func = partial( + topotest.router_json_cmp, r1, "show ip pim upstream json", expected + ) + _, result = topotest.run_and_expect(test_func, None, count=40, wait=1) + assertmsg = '"{}" JSON output mismatches'.format(r1.name) + assert result is None, assertmsg + finally: + if p: + p.terminate() + p.wait() + + +def test_memory_leak(): + "Run the memory leak test and report results." + tgen = get_topogen() + if not tgen.is_memleak_enabled(): + pytest.skip("Memory leak test/report is disabled") + + tgen.report_memory_leaks() + + +if __name__ == "__main__": + args = ["-s"] + sys.argv[1:] + sys.exit(pytest.main(args)) |