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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/nhrp_topo | |
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/nhrp_topo')
-rw-r--r-- | tests/topotests/nhrp_topo/r1/nhrp4_cache.json | 29 | ||||
-rw-r--r-- | tests/topotests/nhrp_topo/r1/nhrp_route4.json | 25 | ||||
-rw-r--r-- | tests/topotests/nhrp_topo/r1/nhrpd.conf | 10 | ||||
-rw-r--r-- | tests/topotests/nhrp_topo/r1/sharp_route4.json | 46 | ||||
-rw-r--r-- | tests/topotests/nhrp_topo/r1/zebra.conf | 12 | ||||
-rw-r--r-- | tests/topotests/nhrp_topo/r2/nhrp4_cache.json | 29 | ||||
-rw-r--r-- | tests/topotests/nhrp_topo/r2/nhrp_route4.json | 25 | ||||
-rw-r--r-- | tests/topotests/nhrp_topo/r2/nhrpd.conf | 10 | ||||
-rw-r--r-- | tests/topotests/nhrp_topo/r2/zebra.conf | 12 | ||||
-rw-r--r-- | tests/topotests/nhrp_topo/r3/zebra.conf | 11 | ||||
-rw-r--r-- | tests/topotests/nhrp_topo/test_nhrp_topo.dot | 73 | ||||
-rw-r--r-- | tests/topotests/nhrp_topo/test_nhrp_topo.py | 253 |
12 files changed, 535 insertions, 0 deletions
diff --git a/tests/topotests/nhrp_topo/r1/nhrp4_cache.json b/tests/topotests/nhrp_topo/r1/nhrp4_cache.json new file mode 100644 index 0000000..6426a93 --- /dev/null +++ b/tests/topotests/nhrp_topo/r1/nhrp4_cache.json @@ -0,0 +1,29 @@ +{ + "attr":{ + "entriesCount":2 + }, + "table":[ + { + "interface":"r1-gre0", + "type":"nhs", + "protocol":"10.255.255.2", + "nbma":"10.2.1.2", + "claimed_nbma":"10.2.1.2", + "used":false, + "timeout":true, + "auth":false, + "identity":"" + }, + { + "interface":"r1-gre0", + "type":"local", + "protocol":"10.255.255.1", + "nbma":"10.1.1.1", + "claimed_nbma":"10.1.1.1", + "used":false, + "timeout":false, + "auth":false, + "identity":"-" + } + ] +} diff --git a/tests/topotests/nhrp_topo/r1/nhrp_route4.json b/tests/topotests/nhrp_topo/r1/nhrp_route4.json new file mode 100644 index 0000000..68b5a6e --- /dev/null +++ b/tests/topotests/nhrp_topo/r1/nhrp_route4.json @@ -0,0 +1,25 @@ +{ + "10.255.255.2\/32":[ + { + "prefix":"10.255.255.2\/32", + "protocol":"nhrp", + "vrfId":0, + "vrfName":"default", + "selected":true, + "destSelected":true, + "distance":10, + "metric":0, + "installed":true, + "internalNextHopNum":1, + "internalNextHopActiveNum":1, + "nexthops":[ + { + "fib":true, + "directlyConnected":true, + "interfaceName":"r1-gre0", + "active":true + } + ] + } + ] +} diff --git a/tests/topotests/nhrp_topo/r1/nhrpd.conf b/tests/topotests/nhrp_topo/r1/nhrpd.conf new file mode 100644 index 0000000..e5224e4 --- /dev/null +++ b/tests/topotests/nhrp_topo/r1/nhrpd.conf @@ -0,0 +1,10 @@ +log stdout debugging +! debug nhrp all +interface r1-gre0 + ip nhrp holdtime 500 + ip nhrp shortcut + ip nhrp network-id 42 + ip nhrp nhs dynamic nbma 10.2.1.2 + ip nhrp registration no-unique + tunnel source r1-eth0 +exit diff --git a/tests/topotests/nhrp_topo/r1/sharp_route4.json b/tests/topotests/nhrp_topo/r1/sharp_route4.json new file mode 100644 index 0000000..4c4b8ea --- /dev/null +++ b/tests/topotests/nhrp_topo/r1/sharp_route4.json @@ -0,0 +1,46 @@ +{ + "4.4.4.1\/32":[ + { + "prefix":"4.4.4.1\/32", + "prefixLen":32, + "protocol":"sharp", + "vrfId":0, + "vrfName":"default", + "selected":true, + "destSelected":true, + "installed":true, + "internalNextHopNum":1, + "internalNextHopActiveNum":1, + "nexthops":[ + { + "fib":true, + "ip":"10.255.255.2", + "interfaceName":"r1-gre0", + "active":true + } + ] + } + ], + "5.5.5.1\/32":[ + { + "prefix":"5.5.5.1\/32", + "prefixLen":32, + "protocol":"sharp", + "vrfId":0, + "vrfName":"default", + "selected":true, + "destSelected":true, + "installed":true, + "internalNextHopNum":1, + "internalNextHopActiveNum":1, + "nexthops":[ + { + "fib":true, + "ip":"10.255.255.2", + "interfaceName":"r1-gre0", + "active":true + } + ] + } + ] +} diff --git a/tests/topotests/nhrp_topo/r1/zebra.conf b/tests/topotests/nhrp_topo/r1/zebra.conf new file mode 100644 index 0000000..b45670f --- /dev/null +++ b/tests/topotests/nhrp_topo/r1/zebra.conf @@ -0,0 +1,12 @@ +interface r1-eth0 + ip address 10.1.1.1/24 +! +ip route 10.2.1.0/24 10.1.1.3 +interface r1-gre0 + ip address 10.255.255.1/32 + no link-detect + ipv6 nd suppress-ra +exit +interface r1-eth1 + ip address 192.168.1.1/24 +! diff --git a/tests/topotests/nhrp_topo/r2/nhrp4_cache.json b/tests/topotests/nhrp_topo/r2/nhrp4_cache.json new file mode 100644 index 0000000..34558e0 --- /dev/null +++ b/tests/topotests/nhrp_topo/r2/nhrp4_cache.json @@ -0,0 +1,29 @@ +{ + "attr":{ + "entriesCount":2 + }, + "table":[ + { + "interface":"r2-gre0", + "type":"local", + "protocol":"10.255.255.2", + "nbma":"10.2.1.2", + "claimed_nbma":"10.2.1.2", + "used":false, + "timeout":false, + "auth":false, + "identity":"-" + }, + { + "interface":"r2-gre0", + "type":"dynamic", + "protocol":"10.255.255.1", + "nbma":"10.1.1.1", + "claimed_nbma":"10.1.1.1", + "used":false, + "timeout":true, + "auth":false, + "identity":"" + } + ] +} diff --git a/tests/topotests/nhrp_topo/r2/nhrp_route4.json b/tests/topotests/nhrp_topo/r2/nhrp_route4.json new file mode 100644 index 0000000..7393cba --- /dev/null +++ b/tests/topotests/nhrp_topo/r2/nhrp_route4.json @@ -0,0 +1,25 @@ +{ + "10.255.255.1\/32":[ + { + "prefix":"10.255.255.1\/32", + "protocol":"nhrp", + "vrfId":0, + "vrfName":"default", + "selected":true, + "destSelected":true, + "distance":10, + "metric":0, + "installed":true, + "internalNextHopNum":1, + "internalNextHopActiveNum":1, + "nexthops":[ + { + "fib":true, + "directlyConnected":true, + "interfaceName":"r2-gre0", + "active":true + } + ] + } + ] +} diff --git a/tests/topotests/nhrp_topo/r2/nhrpd.conf b/tests/topotests/nhrp_topo/r2/nhrpd.conf new file mode 100644 index 0000000..f9185f9 --- /dev/null +++ b/tests/topotests/nhrp_topo/r2/nhrpd.conf @@ -0,0 +1,10 @@ +! debug nhrp all +log stdout debugging +nhrp nflog-group 1 +interface r2-gre0 + ip nhrp holdtime 500 + ip nhrp redirect + ip nhrp network-id 42 + ip nhrp registration no-unique + tunnel source r2-eth0 +exit diff --git a/tests/topotests/nhrp_topo/r2/zebra.conf b/tests/topotests/nhrp_topo/r2/zebra.conf new file mode 100644 index 0000000..9f40d4d --- /dev/null +++ b/tests/topotests/nhrp_topo/r2/zebra.conf @@ -0,0 +1,12 @@ +interface r2-eth0 + ip address 10.2.1.2/24 +! +ip route 10.1.1.0/24 10.2.1.3 +interface r2-gre0 + ip address 10.255.255.2/32 + no link-detect + ipv6 nd suppress-ra +! +interface r2-eth1 + ip address 192.168.2.2/24 +! diff --git a/tests/topotests/nhrp_topo/r3/zebra.conf b/tests/topotests/nhrp_topo/r3/zebra.conf new file mode 100644 index 0000000..e77f955 --- /dev/null +++ b/tests/topotests/nhrp_topo/r3/zebra.conf @@ -0,0 +1,11 @@ +! debug zebra kernel +! debug zebra rib +! debug zebra events +! debug zebra packet +ip forwarding +interface r3-eth0 + ip address 10.1.1.3/24 +! +interface r3-eth1 + ip address 10.2.1.3/24 +exit diff --git a/tests/topotests/nhrp_topo/test_nhrp_topo.dot b/tests/topotests/nhrp_topo/test_nhrp_topo.dot new file mode 100644 index 0000000..6b68fb3 --- /dev/null +++ b/tests/topotests/nhrp_topo/test_nhrp_topo.dot @@ -0,0 +1,73 @@ +## Color coding: +######################### +## Main FRR: #f08080 red +## Switches: #d0e0d0 gray +## RIP: #19e3d9 Cyan +## RIPng: #fcb314 dark yellow +## OSPFv2: #32b835 Green +## OSPFv3: #19e3d9 Cyan +## ISIS IPv4 #fcb314 dark yellow +## ISIS IPv6 #9a81ec purple +## BGP IPv4 #eee3d3 beige +## BGP IPv6 #fdff00 yellow +##### Colors (see http://www.color-hex.com/) + +graph template { + label="bfd-topo2"; + + # Routers + r1 [ + shape=doubleoctagon, + label="r1", + fillcolor="#f08080", + style=filled, + ]; + r2 [ + shape=doubleoctagon + label="r2", + fillcolor="#f08080", + style=filled, + ]; + r3 [ + shape=doubleoctagon + label="r3", + fillcolor="#f08080", + style=filled, + ]; + r4 [ + shape=doubleoctagon + label="r4", + fillcolor="#f08080", + style=filled, + ]; + + # Switches + sw1 [ + shape=oval, + label="sw1\n2001:db8:1::/64", + fillcolor="#d0e0d0", + style=filled, + ]; + sw2 [ + shape=oval, + label="sw2\n10.0.3.0/24", + fillcolor="#d0e0d0", + style=filled, + ]; + sw3 [ + shape=oval, + label="sw3\n2001:db8:4::/64", + fillcolor="#d0e0d0", + style=filled, + ]; + + # Connections + r1 -- sw1 [label="eth0"]; + r2 -- sw1 [label="eth0"]; + + r2 -- sw2 [label="eth1"]; + r3 -- sw2 [label="eth0"]; + + r2 -- sw3 [label="eth2"]; + r4 -- sw3 [label="eth0"]; +} diff --git a/tests/topotests/nhrp_topo/test_nhrp_topo.py b/tests/topotests/nhrp_topo/test_nhrp_topo.py new file mode 100644 index 0000000..78b82ed --- /dev/null +++ b/tests/topotests/nhrp_topo/test_nhrp_topo.py @@ -0,0 +1,253 @@ +#!/usr/bin/env python +# SPDX-License-Identifier: ISC + +# +# test_nhrp_topo.py +# Part of NetDEF Topology Tests +# +# Copyright (c) 2019 by +# Network Device Education Foundation, Inc. ("NetDEF") +# + +""" +test_nhrp_topo.py: Test the FRR/Quagga NHRP daemon +""" + +import os +import sys +import json +from functools import partial +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 import topotest +from lib.topogen import Topogen, TopoRouter, get_topogen +from lib.topolog import logger +from lib.common_config import required_linux_kernel_version + +# Required to instantiate the topology builder class. + +pytestmark = [pytest.mark.nhrpd] + + +def build_topo(tgen): + "Build function" + + # Create 3 routers. + for routern in range(1, 4): + tgen.add_router("r{}".format(routern)) + + switch = tgen.add_switch("s1") + switch.add_link(tgen.gears["r1"]) + switch.add_link(tgen.gears["r3"]) + switch = tgen.add_switch("s2") + switch.add_link(tgen.gears["r2"]) + switch.add_link(tgen.gears["r3"]) + switch = tgen.add_switch("s3") + switch.add_link(tgen.gears["r2"]) + switch = tgen.add_switch("s4") + switch.add_link(tgen.gears["r1"]) + + +def _populate_iface(): + tgen = get_topogen() + cmds_tot_hub = [ + "ip tunnel add {0}-gre0 mode gre ttl 64 key 42 dev {0}-eth0 local 10.2.1.{1} remote 0.0.0.0", + "ip link set dev {0}-gre0 up", + "echo 0 > /proc/sys/net/ipv4/ip_forward_use_pmtu", + "echo 1 > /proc/sys/net/ipv6/conf/{0}-eth0/disable_ipv6", + "echo 1 > /proc/sys/net/ipv6/conf/{0}-gre0/disable_ipv6", + ] + + cmds_tot = [ + "ip tunnel add {0}-gre0 mode gre ttl 64 key 42 dev {0}-eth0 local 10.1.1.{1} remote 0.0.0.0", + "ip link set dev {0}-gre0 up", + "echo 0 > /proc/sys/net/ipv4/ip_forward_use_pmtu", + "echo 1 > /proc/sys/net/ipv6/conf/{0}-eth0/disable_ipv6", + "echo 1 > /proc/sys/net/ipv6/conf/{0}-gre0/disable_ipv6", + ] + + for cmd in cmds_tot_hub: + input = cmd.format("r2", "2") + logger.info("input: " + input) + output = tgen.net["r2"].cmd(input) + logger.info("output: " + output) + + for cmd in cmds_tot: + input = cmd.format("r1", "1") + logger.info("input: " + input) + output = tgen.net["r1"].cmd(input) + logger.info("output: " + output) + + +def setup_module(mod): + "Sets up the pytest environment" + + result = required_linux_kernel_version("5.0") + if result is not True: + pytest.skip("Kernel requirements are not met") + + tgen = Topogen(build_topo, mod.__name__) + tgen.start_topology() + + router_list = tgen.routers() + _populate_iface() + + for rname, router in router_list.items(): + router.load_config( + TopoRouter.RD_ZEBRA, + os.path.join(CWD, "{}/zebra.conf".format(rname)), + ) + if rname in ("r1", "r2"): + router.load_config( + TopoRouter.RD_NHRP, os.path.join(CWD, "{}/nhrpd.conf".format(rname)) + ) + + # Include sharpd for r1 + if rname == "r1": + router.load_config( + TopoRouter.RD_SHARP, os.path.join(CWD, "{}/sharpd.conf".format(rname)) + ) + + # Initialize all routers. + logger.info("Launching NHRP") + for name in router_list: + router = tgen.gears[name] + router.start() + + +def teardown_module(_mod): + "Teardown the pytest environment" + tgen = get_topogen() + tgen.stop_topology() + + +def test_protocols_convergence(): + """ + Assert that all protocols have converged before checking for the NHRP + statuses as they depend on it. + """ + tgen = get_topogen() + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + # Check IPv4 routing tables. + logger.info("Checking NHRP cache and IPv4 routes for convergence") + router_list = tgen.routers() + + for rname, router in router_list.items(): + if rname == "r3": + continue + + json_file = "{}/{}/nhrp4_cache.json".format(CWD, router.name) + if not os.path.isfile(json_file): + logger.info("skipping file {}".format(json_file)) + continue + + expected = json.loads(open(json_file).read()) + test_func = partial( + topotest.router_json_cmp, router, "show ip nhrp cache json", expected + ) + _, result = topotest.run_and_expect(test_func, None, count=40, wait=0.5) + + output = router.vtysh_cmd("show ip nhrp cache") + logger.info(output) + + assertmsg = '"{}" JSON output mismatches'.format(router.name) + assert result is None, assertmsg + + for rname, router in router_list.items(): + if rname == "r3": + continue + + json_file = "{}/{}/nhrp_route4.json".format(CWD, router.name) + if not os.path.isfile(json_file): + logger.info("skipping file {}".format(json_file)) + continue + + expected = json.loads(open(json_file).read()) + test_func = partial( + topotest.router_json_cmp, router, "show ip route nhrp json", expected + ) + _, result = topotest.run_and_expect(test_func, None, count=40, wait=0.5) + + output = router.vtysh_cmd("show ip route nhrp") + logger.info(output) + + assertmsg = '"{}" JSON output mismatches'.format(router.name) + assert result is None, assertmsg + + for rname, router in router_list.items(): + if rname == "r3": + continue + logger.info("Dump neighbor information on {}-gre0".format(rname)) + output = router.run("ip neigh show") + logger.info(output) + + +def test_nhrp_connection(): + "Assert that the NHRP peers can find themselves." + tgen = get_topogen() + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + pingrouter = tgen.gears["r1"] + logger.info("Check Ping IPv4 from R1 to R2 = 10.255.255.2)") + output = pingrouter.run("ping 10.255.255.2 -f -c 1000") + logger.info(output) + if "1000 packets transmitted, 1000 received" not in output: + assertmsg = "expected ping IPv4 from R1 to R2 should be ok" + assert 0, assertmsg + else: + logger.info("Check Ping IPv4 from R1 to R2 OK") + + +def test_route_install(): + "Test use of NHRP routes by other protocols (sharpd here)." + tgen = get_topogen() + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + logger.info("Testing route install over NHRP tunnel") + + # Install sharpd routes over an NHRP route + r1 = tgen.gears["r1"] + + # Install one recursive and one non-recursive sharpd route + r1.vtysh_cmd("sharp install route 4.4.4.1 nexthop 10.255.255.2 1") + + r1.vtysh_cmd("sharp install route 5.5.5.1 nexthop 10.255.255.2 1 no-recurse") + + json_file = "{}/{}/sharp_route4.json".format(CWD, "r1") + expected = json.loads(open(json_file).read()) + + test_func = partial( + topotest.router_json_cmp, r1, "show ip route sharp json", expected + ) + _, result = topotest.run_and_expect(test_func, None, count=20, wait=0.5) + + logger.info("Sharp routes:") + output = r1.vtysh_cmd("show ip route sharp") + logger.info(output) + + assertmsg = '"{}" JSON route output mismatches'.format(r1.name) + assert result is None, assertmsg + + +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)) |