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| author | Olivier Dugeon <olivier.dugeon@orange.com> | 2021-02-26 11:11:13 +0100 |
|---|---|---|
| committer | Olivier Dugeon <olivier.dugeon@orange.com> | 2021-03-23 15:39:29 +0100 |
| commit | 927b08024e5e5664186f7e675ef65616bcf791c8 (patch) | |
| tree | 4ca694d50033fb7305f6355c4bbd420b87dfe756 /tests | |
| parent | ospfd: Add Link-State support (diff) | |
| download | frr-927b08024e5e5664186f7e675ef65616bcf791c8.tar.xz frr-927b08024e5e5664186f7e675ef65616bcf791c8.zip | |
topotest: Add new OSPF TE topotest
This new test launches a small network composed by 4 OSPF routers with
Traffic Engineering and Segment Routing configuration. To assess the Link
State Traffic Engineering feature, the TED of each router is compared
against the reference TED which corresponds to the network topology.
Then a series of 6 steps, where Link, TE & SR configurations are modified
up to r4 shutwdown, are used to verify that the TED is correctly updated
on the 4 routers.
Signed-off-by: Olivier Dugeon <olivier.dugeon@orange.com>
Diffstat (limited to 'tests')
17 files changed, 4143 insertions, 0 deletions
diff --git a/tests/topotests/ospf-te-topo1/__init__.py b/tests/topotests/ospf-te-topo1/__init__.py new file mode 100755 index 000000000..e69de29bb --- /dev/null +++ b/tests/topotests/ospf-te-topo1/__init__.py diff --git a/tests/topotests/ospf-te-topo1/r1/ospfd.conf b/tests/topotests/ospf-te-topo1/r1/ospfd.conf new file mode 100644 index 000000000..312dd2697 --- /dev/null +++ b/tests/topotests/ospf-te-topo1/r1/ospfd.conf @@ -0,0 +1,23 @@ +! +interface lo + ip ospf area 0.0.0.0 +! +interface r1-eth0 + ip ospf network point-to-point + ip ospf hello-interval 2 + ip ospf dead-interval 10 + ip ospf area 0.0.0.0 +! +interface r1-eth1 + ip ospf network point-to-point + ip ospf hello-interval 2 + ip ospf dead-interval 10 + ip ospf area 0.0.0.0 +! +router ospf + ospf router-id 10.0.255.1 + capability opaque + mpls-te on + mpls-te router-address 10.0.255.1 +! + diff --git a/tests/topotests/ospf-te-topo1/r1/zebra.conf b/tests/topotests/ospf-te-topo1/r1/zebra.conf new file mode 100644 index 000000000..7c5dc3ffe --- /dev/null +++ b/tests/topotests/ospf-te-topo1/r1/zebra.conf @@ -0,0 +1,21 @@ +! +interface lo + ip address 10.0.255.1/32 +! +interface r1-eth0 + ip address 10.0.0.1/24 + link-params + metric 20 + delay 10000 + ava-bw 1.25e+08 + enable + exit-link-params +! +interface r1-eth1 + ip address 10.0.1.1/24 + link-params + enable + exit-link-params +! +ip forwarding +! diff --git a/tests/topotests/ospf-te-topo1/r2/ospfd.conf b/tests/topotests/ospf-te-topo1/r2/ospfd.conf new file mode 100644 index 000000000..e9c3f65bc --- /dev/null +++ b/tests/topotests/ospf-te-topo1/r2/ospfd.conf @@ -0,0 +1,34 @@ +! +interface lo + ip ospf area 0.0.0.0 +! +interface r2-eth0 + ip ospf network point-to-point + ip ospf hello-interval 2 + ip ospf dead-interval 10 + ip ospf area 0.0.0.0 +! +interface r2-eth1 + ip ospf network point-to-point + ip ospf hello-interval 2 + ip ospf dead-interval 10 + ip ospf area 0.0.0.0 +! +interface r2-eth2 + ip ospf network point-to-point + ip ospf area 0.0.0.0 + ip ospf hello-interval 2 + ip ospf dead-interval 10 +! +interface r2-eth3 + ip ospf network point-to-point + ip ospf hello-interval 2 + ip ospf dead-interval 10 + ip ospf area 0.0.0.0 +! +router ospf + ospf router-id 10.0.255.2 + capability opaque + mpls-te on + mpls-te router-address 10.0.255.2 +! diff --git a/tests/topotests/ospf-te-topo1/r2/zebra.conf b/tests/topotests/ospf-te-topo1/r2/zebra.conf new file mode 100644 index 000000000..69e10191f --- /dev/null +++ b/tests/topotests/ospf-te-topo1/r2/zebra.conf @@ -0,0 +1,33 @@ +! +interface lo + ip address 10.0.255.2/32 +! +interface r2-eth0 + ip address 10.0.0.2/24 + link-params + enable + exit-link-params +! +interface r2-eth1 + ip address 10.0.1.2/24 + link-params + enable + exit-link-params +! +interface r2-eth2 + ip address 10.0.3.2/24 + link-params + enable + exit-link-params +! +interface r2-eth3 + ip address 10.0.4.2/24 + link-params + metric 30 + delay 25000 + use-bw 1.25e+8 + enable + exit-link-params +! +ip forwarding +! diff --git a/tests/topotests/ospf-te-topo1/r3/ospfd.conf b/tests/topotests/ospf-te-topo1/r3/ospfd.conf new file mode 100644 index 000000000..caa5f1e1e --- /dev/null +++ b/tests/topotests/ospf-te-topo1/r3/ospfd.conf @@ -0,0 +1,24 @@ +! +interface lo + ip ospf area 0.0.0.0 +! +interface r3-eth0 + ip ospf network point-to-point + ip ospf area 0.0.0.0 + ip ospf hello-interval 2 + ip ospf dead-interval 10 +! +interface r3-eth1 + ip ospf network point-to-point + ip ospf area 0.0.0.0 + ip ospf hello-interval 2 + ip ospf dead-interval 10 +! +! +router ospf + ospf router-id 10.0.255.3 + capability opaque + mpls-te on + mpls-te router-address 10.0.255.3 + mpls-te inter-as as +! diff --git a/tests/topotests/ospf-te-topo1/r3/zebra.conf b/tests/topotests/ospf-te-topo1/r3/zebra.conf new file mode 100644 index 000000000..4cf907708 --- /dev/null +++ b/tests/topotests/ospf-te-topo1/r3/zebra.conf @@ -0,0 +1,22 @@ +! +interface lo + ip address 10.0.255.3/32 +! +interface r3-eth0 + ip address 10.0.3.1/24 + link-params + enable + admin-grp 0x20 + exit-link-params +! +interface r3-eth1 + ip address 10.0.5.1/24 + link-params + enable + metric 10 + delay 50000 + neighbor 10.0.255.5 as 65535 + exit-link-params +! +ip forwarding +! diff --git a/tests/topotests/ospf-te-topo1/r4/ospfd.conf b/tests/topotests/ospf-te-topo1/r4/ospfd.conf new file mode 100644 index 000000000..e45467315 --- /dev/null +++ b/tests/topotests/ospf-te-topo1/r4/ospfd.conf @@ -0,0 +1,22 @@ +! +interface lo + ip ospf area 0.0.0.0 +! +interface r4-eth0 + ip ospf network point-to-point + ip ospf hello-interval 2 + ip ospf dead-interval 10 + ip ospf area 0.0.0.0 +! +! +router ospf + ospf router-id 10.0.255.4 + capability opaque + mpls-te on + mpls-te router-address 10.0.255.4 + segment-routing on + segment-routing local-block 5000 5999 + segment-routing global-block 10000 19999 + segment-routing node-msd 12 + segment-routing prefix 10.0.255.4/32 index 400 no-php-flag +! diff --git a/tests/topotests/ospf-te-topo1/r4/zebra.conf b/tests/topotests/ospf-te-topo1/r4/zebra.conf new file mode 100644 index 000000000..18c003b23 --- /dev/null +++ b/tests/topotests/ospf-te-topo1/r4/zebra.conf @@ -0,0 +1,12 @@ +! +interface lo + ip address 10.0.255.4/32 +! +interface r4-eth0 + ip address 10.0.4.1/24 + link-params + enable + exit-link-params +! +ip forwarding +! diff --git a/tests/topotests/ospf-te-topo1/reference/ted_step1.json b/tests/topotests/ospf-te-topo1/reference/ted_step1.json new file mode 100644 index 000000000..9624292cc --- /dev/null +++ b/tests/topotests/ospf-te-topo1/reference/ted_step1.json @@ -0,0 +1,577 @@ +{ + "ted":{ + "name":"OSPF", + "key":1, + "verticesCount":5, + "edgesCount":9, + "subnetsCount":14, + "vertices":[ + { + "vertex-id":167837441, + "status":"Sync", + "origin":"OSPFv2", + "router-id":"10.0.255.1", + "vertex-type":"Standard" + }, + { + "vertex-id":167837442, + "status":"Sync", + "origin":"OSPFv2", + "router-id":"10.0.255.2", + "vertex-type":"Standard" + }, + { + "vertex-id":167837443, + "status":"Sync", + "origin":"OSPFv2", + "router-id":"10.0.255.3", + "vertex-type":"ASBR" + }, + { + "vertex-id":167837444, + "status":"Sync", + "origin":"OSPFv2", + "router-id":"10.0.255.4", + "vertex-type":"Standard", + "segment-routing":{ + "srgb-size":10000, + "srgb-lower":10000, + "algorithms":[ + { + "0":"SPF" + } + ], + "srlb-size":1000, + "srlb-lower":5000, + "msd":12 + } + }, + { + "vertex-id":167837445, + "status":"Sync", + "origin":"OSPFv2", + "router-id":"10.0.255.5", + "vertex-type":"Remote ASBR", + "asn":65535 + } + ], + "edges":[ + { + "edge-id":167772161, + "status":"Sync", + "origin":"OSPFv2", + "advertised-router":"10.0.255.1", + "local-vertex-id":167837441, + "remote-vertex-id":167837442, + "metric":10, + "edge-attributes":{ + "te-metric":20, + "local-address":"10.0.0.1", + "remote-address":"10.0.0.2", + "max-link-bandwidth":176258176.0, + "max-resv-link-bandwidth":176258176.0, + "unreserved-bandwidth":[ + { + "class-type-0":176258176.0 + }, + { + "class-type-1":176258176.0 + }, + { + "class-type-2":176258176.0 + }, + { + "class-type-3":176258176.0 + }, + { + "class-type-4":176258176.0 + }, + { + "class-type-5":176258176.0 + }, + { + "class-type-6":176258176.0 + }, + { + "class-type-7":176258176.0 + } + ], + "delay":10000, + "available-bandwidth":125000000.0 + } + }, + { + "edge-id":167772162, + "status":"Sync", + "origin":"OSPFv2", + "advertised-router":"10.0.255.2", + "local-vertex-id":167837442, + "remote-vertex-id":167837441, + "metric":10, + "edge-attributes":{ + "te-metric":0, + "local-address":"10.0.0.2", + "remote-address":"10.0.0.1", + "max-link-bandwidth":176258176.0, + "max-resv-link-bandwidth":176258176.0, + "unreserved-bandwidth":[ + { + "class-type-0":176258176.0 + }, + { + "class-type-1":176258176.0 + }, + { + "class-type-2":176258176.0 + }, + { + "class-type-3":176258176.0 + }, + { + "class-type-4":176258176.0 + }, + { + "class-type-5":176258176.0 + }, + { + "class-type-6":176258176.0 + }, + { + "class-type-7":176258176.0 + } + ] + } + }, + { + "edge-id":167772417, + "status":"Sync", + "origin":"OSPFv2", + "advertised-router":"10.0.255.1", + "local-vertex-id":167837441, + "remote-vertex-id":167837442, + "metric":10, + "edge-attributes":{ + "te-metric":0, + "local-address":"10.0.1.1", + "remote-address":"10.0.1.2", + "max-link-bandwidth":176258176.0, + "max-resv-link-bandwidth":176258176.0, + "unreserved-bandwidth":[ + { + "class-type-0":176258176.0 + }, + { + "class-type-1":176258176.0 + }, + { + "class-type-2":176258176.0 + }, + { + "class-type-3":176258176.0 + }, + { + "class-type-4":176258176.0 + }, + { + "class-type-5":176258176.0 + }, + { + "class-type-6":176258176.0 + }, + { + "class-type-7":176258176.0 + } + ] + } + }, + { + "edge-id":167772418, + "status":"Sync", + "origin":"OSPFv2", + "advertised-router":"10.0.255.2", + "local-vertex-id":167837442, + "remote-vertex-id":167837441, + "metric":10, + "edge-attributes":{ + "te-metric":0, + "local-address":"10.0.1.2", + "remote-address":"10.0.1.1", + "max-link-bandwidth":176258176.0, + "max-resv-link-bandwidth":176258176.0, + "unreserved-bandwidth":[ + { + "class-type-0":176258176.0 + }, + { + "class-type-1":176258176.0 + }, + { + "class-type-2":176258176.0 + }, + { + "class-type-3":176258176.0 + }, + { + "class-type-4":176258176.0 + }, + { + "class-type-5":176258176.0 + }, + { + "class-type-6":176258176.0 + }, + { + "class-type-7":176258176.0 + } + ] + } + }, + { + "edge-id":167772929, + "status":"Sync", + "origin":"OSPFv2", + "advertised-router":"10.0.255.3", + "local-vertex-id":167837443, + "remote-vertex-id":167837442, + "metric":10, + "edge-attributes":{ + "te-metric":0, + "admin-group":32, + "local-address":"10.0.3.1", + "remote-address":"10.0.3.2", + "max-link-bandwidth":176258176.0, + "max-resv-link-bandwidth":176258176.0, + "unreserved-bandwidth":[ + { + "class-type-0":176258176.0 + }, + { + "class-type-1":176258176.0 + }, + { + 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"origin":"OSPFv2", + "advertised-router":"10.0.255.4", + "local-vertex-id":167837444, + "remote-vertex-id":167837442, + "metric":10, + "edge-attributes":{ + "te-metric":0, + "local-address":"10.0.4.1", + "remote-address":"10.0.4.2", + "max-link-bandwidth":176258176.0, + "max-resv-link-bandwidth":176258176.0, + "unreserved-bandwidth":[ + { + "class-type-0":176258176.0 + }, + { + "class-type-1":176258176.0 + }, + { + "class-type-2":176258176.0 + }, + { + "class-type-3":176258176.0 + }, + { + "class-type-4":176258176.0 + }, + { + "class-type-5":176258176.0 + }, + { + "class-type-6":176258176.0 + }, + { + "class-type-7":176258176.0 + } + ] + }, + "segment-routing":[ + { + "adj-sid":5001, + "flags":"0x60", + "weight":0 + }, + { + "adj-sid":5000, + "flags":"0xe0", + "weight":0 + } + ] + }, + { + "edge-id":167773186, + "status":"Sync", + "origin":"OSPFv2", + "advertised-router":"10.0.255.2", + "local-vertex-id":167837442, + "remote-vertex-id":167837444, + "metric":10, + "edge-attributes":{ + "te-metric":30, + "local-address":"10.0.4.2", + "remote-address":"10.0.4.1", + "max-link-bandwidth":176258176.0, + "max-resv-link-bandwidth":176258176.0, + "unreserved-bandwidth":[ + { + "class-type-0":176258176.0 + }, + { + "class-type-1":176258176.0 + }, + { + "class-type-2":176258176.0 + }, + { + "class-type-3":176258176.0 + }, + { + "class-type-4":176258176.0 + }, + { + "class-type-5":176258176.0 + }, + { + "class-type-6":176258176.0 + }, + { + "class-type-7":176258176.0 + } + ], + "delay":25000, + "utilized-bandwidth":125000000.0 + } + }, + { + "edge-id":167773441, + "status":"Sync", + "origin":"OSPFv2", + "advertised-router":"10.0.255.3", + "local-vertex-id":167837443, + "remote-vertex-id":167837445, + "metric":0, + "edge-attributes":{ + "te-metric":10, + "local-address":"10.0.5.1", + "max-link-bandwidth":176258176.0, + "max-resv-link-bandwidth":176258176.0, + "unreserved-bandwidth":[ + { + "class-type-0":176258176.0 + }, + { + "class-type-1":176258176.0 + }, + { + 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"origin":"OSPFv2", + "advertised-router":"10.0.255.3", + "vertex-id":167837443, + "metric":10 + }, + { + "subnet-id":"10.0.3.2\/32", + "status":"Sync", + "origin":"OSPFv2", + "advertised-router":"10.0.255.2", + "vertex-id":167837442, + "metric":10 + }, + { + "subnet-id":"10.0.4.1\/32", + "status":"Sync", + "origin":"OSPFv2", + "advertised-router":"10.0.255.4", + "vertex-id":167837444, + "metric":10 + }, + { + "subnet-id":"10.0.4.2\/32", + "status":"Sync", + "origin":"OSPFv2", + "advertised-router":"10.0.255.2", + "vertex-id":167837442, + "metric":10 + }, + { + "subnet-id":"10.0.5.1\/32", + "status":"Sync", + "origin":"OSPFv2", + "advertised-router":"10.0.255.3", + "vertex-id":167837443, + "metric":10 + }, + { + "subnet-id":"10.0.255.1\/32", + "status":"Sync", + "origin":"OSPFv2", + "advertised-router":"10.0.255.1", + "vertex-id":167837441, + "metric":0 + }, + { + "subnet-id":"10.0.255.2\/32", + "status":"Sync", + "origin":"OSPFv2", + "advertised-router":"10.0.255.2", + "vertex-id":167837442, + "metric":0 + }, + { + "subnet-id":"10.0.255.3\/32", + "status":"Sync", + "origin":"OSPFv2", + "advertised-router":"10.0.255.3", + "vertex-id":167837443, + "metric":0 + }, + { + "subnet-id":"10.0.255.4\/32", + "status":"Sync", + "origin":"OSPFv2", + "advertised-router":"10.0.255.4", + "vertex-id":167837444, + "metric":0, + "segment-routing":{ + "pref-sid":400, + "algo":0, + "flags":"0x40" + } + }, + { + "subnet-id":"10.0.255.5\/32", + "status":"Sync", + "origin":"OSPFv2", + "advertised-router":"10.0.255.5", + "vertex-id":167837445, + "metric":10 + } + ] + } +} diff --git a/tests/topotests/ospf-te-topo1/reference/ted_step2.json b/tests/topotests/ospf-te-topo1/reference/ted_step2.json new file mode 100644 index 000000000..623d1dc7e --- /dev/null +++ b/tests/topotests/ospf-te-topo1/reference/ted_step2.json @@ -0,0 +1,477 @@ +{ + "ted":{ + "name":"OSPF", + "key":1, + "verticesCount":5, + "edgesCount":7, + "subnetsCount":12, + "vertices":[ + { + 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"metric":0 + } + ] + } +} diff --git a/tests/topotests/ospf-te-topo1/test_ospf_te_topo1.py b/tests/topotests/ospf-te-topo1/test_ospf_te_topo1.py new file mode 100644 index 000000000..1d69f5d69 --- /dev/null +++ b/tests/topotests/ospf-te-topo1/test_ospf_te_topo1.py @@ -0,0 +1,314 @@ +#!/usr/bin/env python + +# +# test_ospf_te_topo1.py +# Part of NetDEF Topology Tests +# +# Copyright (c) 2021 by Orange +# Author: Olivier Dugeon <olivier.dugeon@orange.com> +# +# 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_ospf_te_topo1.py: Test the FRR OSPF with Traffic Engineering. + + +------------+ + | | + | R1 | + | 10.0.225.1 | + | | + +------------+ + r1-eth0| |r1-eth1 + | | + 10.0.0.0/24| |10.0.1.0/24 + | | + r2-eth0| |r2-eth1 + +------------+ +------------+ + | | | | + | R2 |r2-eth2 r3-eth0| R3 | + | 10.0.255.2 +------------------+ 10.0.255.3 | + | | 10.0.3.0/24 | | + +------------+ +------+-----+ + r2-eth3| r3-eth1| + | | + 10.0.4.0/24| 10.0.5.0/24| + | | + r4-eth0| V + +------------+ ASBR 10.0.255.5 + | | + | R4 | + | 10.0.255.4 | + | | + +------------+ + +""" + +import os +import sys +import json +from functools import partial + +# 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 +# Required to instantiate the topology builder class. +from mininet.topo import Topo + +# Import topogen and topotest helpers +from lib import topotest +from lib.topogen import Topogen, TopoRouter, get_topogen +from lib.topolog import logger + +# and Finally pytest +import pytest + +pytestmark = [pytest.mark.ospfd] + +class OspfTeTopo(Topo): + "Test topology builder" + + def build(self): + "Build function" + tgen = get_topogen(self) + + # Create 4 routers + for routern in range(1, 5): + tgen.add_router("r{}".format(routern)) + + # Interconect router 1 and 2 with 2 links + switch = tgen.add_switch("s1") + switch.add_link(tgen.gears["r1"]) + switch.add_link(tgen.gears["r2"]) + switch = tgen.add_switch("s2") + switch.add_link(tgen.gears["r1"]) + switch.add_link(tgen.gears["r2"]) + + # Interconect router 3 and 2 + switch = tgen.add_switch("s3") + switch.add_link(tgen.gears["r3"]) + switch.add_link(tgen.gears["r2"]) + + # Interconect router 4 and 2 + switch = tgen.add_switch("s4") + switch.add_link(tgen.gears["r4"]) + switch.add_link(tgen.gears["r2"]) + + # Interconnect router 3 with next AS + switch = tgen.add_switch("s5") + switch.add_link(tgen.gears["r3"]) + + +def setup_module(mod): + "Sets up the pytest environment" + + logger.info("\n\n---- Starting OSPF TE tests ----\n") + + tgen = Topogen(OspfTeTopo, mod.__name__) + tgen.start_topology() + + router_list = tgen.routers() + + for rname, router in router_list.items(): + router.load_config( + TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format(rname)) + ) + router.load_config( + TopoRouter.RD_OSPF, os.path.join(CWD, "{}/ospfd.conf".format(rname)) + ) + + # Initialize all routers. + tgen.start_router() + + +def teardown_module(): + "Teardown the pytest environment" + + tgen = get_topogen() + tgen.stop_topology() + + logger.info("\n\n---- OSPF TE tests End ----\n") + + +def compare_ted_json_output(tgen, rname, fileref): + "Compare TED JSON output" + + logger.info('Comparing router "%s" TED output', rname) + + filename = "{}/reference/{}".format(CWD, fileref) + expected = json.loads(open(filename).read()) + command = "show ip ospf mpls-te database json" + + # Run test function until we get an result. Wait at most 60 seconds. + test_func = partial(topotest.router_json_cmp, tgen.gears[rname], command, expected) + _, diff = topotest.run_and_expect(test_func, None, count=60, wait=2) + assertmsg = '"{}" TED JSON output mismatches the expected result'.format(rname) + assert diff is None, assertmsg + + +def setup_testcase(msg): + "Setup test case" + + logger.info(msg) + tgen = get_topogen() + + # Skip if previous fatal error condition is raised + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + return tgen + + +# Note that all routers must discover the same Network Topology, so the same TED. + +def test_step1(): + "Step1: Check initial topology" + + tgen = setup_testcase("Step1: test initial OSPF TE Data Base") + + for rname in ["r1", "r2", "r3", "r4"]: + compare_ted_json_output(tgen, rname, "ted_step1.json") + + +def test_step2(): + "Step2: Shutdown interface between r1 and r2 and verify that \ + corresponding Edges are removed from the TED on all routers " + + tgen = setup_testcase("Step2: Shutdown interface between r1 & r2") + + tgen.net["r1"].cmd( + 'vtysh -c "conf t" -c "interface r1-eth1" -c "shutdown"' + ) + tgen.net["r2"].cmd( + 'vtysh -c "conf t" -c "interface r2-eth1" -c "shutdown"' + ) + + for rname in ["r1", "r2", "r3", "r4"]: + compare_ted_json_output(tgen, rname, "ted_step2.json") + + +def test_step3(): + "Step3: Disable Inter-AS on r3 and verify that corresponding Edge and \ + remote ASBR are removed from the TED on all routers" + + tgen = setup_testcase("Step3: Disable Inter-AS on r3") + + tgen.net["r3"].cmd( + 'vtysh -c "conf t" -c "router ospf" -c "no mpls-te inter-as"' + ) + for rname in ["r1", "r2", "r3", "r4"]: + compare_ted_json_output(tgen, rname, "ted_step3.json") + + +def test_step4(): + "Step4: Enable Segment Routing on r1 and r2 and verify that corresponding \ + Edges are updated with Adjacency SID and Subnets with Prefix SID in the \ + TED on all routers" + + tgen = setup_testcase("Step4: Enable Segment Routing on r1 & r2") + + tgen.net["r1"].cmd( + 'vtysh -c "conf t" -c "router ospf" -c "segment-routing on"' + ) + tgen.net["r1"].cmd( + 'vtysh -c "conf t" -c "router ospf" -c "segment-routing global-block 20000 23999"' + ) + tgen.net["r1"].cmd( + 'vtysh -c "conf t" -c "router ospf" -c "segment-routing prefix 10.0.255.1/32 index 10"' + ) + tgen.net["r2"].cmd( + 'vtysh -c "conf t" -c "router ospf" -c "segment-routing on"' + ) + tgen.net["r2"].cmd( + 'vtysh -c "conf t" -c "router ospf" -c "segment-routing node-msd 16"' + ) + tgen.net["r2"].cmd( + 'vtysh -c "conf t" -c "router ospf" -c "segment-routing local-block 5000 6999"' + ) + tgen.net["r2"].cmd( + 'vtysh -c "conf t" -c "router ospf" -c "segment-routing prefix 10.0.255.2/32 index 20 explicit-null"' + ) + + for rname in ["r1", "r2", "r3", "r4"]: + compare_ted_json_output(tgen, rname, "ted_step4.json") + + +def test_step5(): + "Step5: Re-enable interface between r1 & r2 and verify that corresponding \ + Edges are added in the TED on all routers" + + tgen = setup_testcase("Step5: Re-enable interface between r1 & r2") + + tgen.net["r1"].cmd( + 'vtysh -c "conf t" -c "interface r1-eth1" -c "no shutdown"' + ) + tgen.net["r2"].cmd( + 'vtysh -c "conf t" -c "interface r2-eth1" -c "no shutdown"' + ) + + for rname in ["r1", "r2", "r3", "r4"]: + compare_ted_json_output(tgen, rname, "ted_step5.json") + + +def test_step6(): + "Step6: Set delay and jitter for interface r4-eth0 on r4, remove use-bw \ + for interface r2-eth3 on r2 and verify that corresponding Edges are \ + updated in the TED on all routers" + + tgen = setup_testcase("Step6: Modify link parameters on r2 & r4") + + tgen.net["r2"].cmd( + 'vtysh -c "conf t" -c "interface r2-eth3" -c "link-params" -c "no use-bw"' + ) + tgen.net["r4"].cmd( + 'vtysh -c "conf t" -c "interface r4-eth0" -c "link-params" -c "delay 20000"' + ) + tgen.net["r4"].cmd( + 'vtysh -c "conf t" -c "interface r4-eth0" -c "link-params" -c "delay-variation 10000"' + ) + + for rname in ["r1", "r2", "r3", "r4"]: + compare_ted_json_output(tgen, rname, "ted_step6.json") + + +def test_step7(): + "Step7: Disable OSPF on r4 and verify that corresponding Vertex, Edges and \ + Subnets are removed from the TED on all remaining routers" + + tgen = setup_testcase("Step7: Disable OSPF on r4") + + tgen.net["r4"].cmd( + 'vtysh -c "conf t" -c "no router ospf"' + ) + + for rname in ["r1", "r2", "r3"]: + compare_ted_json_output(tgen, rname, "ted_step7.json") + + +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)) |