diff options
Diffstat (limited to 'tests/topotests/ospf6_topo2/test_ospf6_topo2.py')
| -rw-r--r-- | tests/topotests/ospf6_topo2/test_ospf6_topo2.py | 278 |
1 files changed, 228 insertions, 50 deletions
diff --git a/tests/topotests/ospf6_topo2/test_ospf6_topo2.py b/tests/topotests/ospf6_topo2/test_ospf6_topo2.py index 8c5f1e6f60..303bcd014d 100644 --- a/tests/topotests/ospf6_topo2/test_ospf6_topo2.py +++ b/tests/topotests/ospf6_topo2/test_ospf6_topo2.py @@ -42,7 +42,6 @@ from lib.topogen import Topogen, TopoRouter, get_topogen from lib.topolog import logger # Required to instantiate the topology builder class. -from mininet.topo import Topo pytestmark = [pytest.mark.ospf6d] @@ -73,21 +72,24 @@ def expect_lsas(router, area, lsas, wait=5, extra_params=""): assert result is None, assertmsg -def expect_ospfv3_routes(router, routes, wait=5, detail=False): +def expect_ospfv3_routes(router, routes, wait=5, type=None, detail=False): "Run command `ipv6 ospf6 route` and expect route with type." tgen = get_topogen() if detail == False: - cmd = "show ipv6 ospf6 route json" + if type == None: + cmd = "show ipv6 ospf6 route json" + else: + cmd = "show ipv6 ospf6 route {} json".format(type) else: - cmd = "show ipv6 ospf6 route detail json" + if type == None: + cmd = "show ipv6 ospf6 route detail json" + else: + cmd = "show ipv6 ospf6 route {} detail json".format(type) logger.info("waiting OSPFv3 router '{}' route".format(router)) test_func = partial( - topotest.router_json_cmp, - tgen.gears[router], - cmd, - {"routes": routes} + topotest.router_json_cmp, tgen.gears[router], cmd, {"routes": routes} ) _, result = topotest.run_and_expect(test_func, None, count=wait, wait=1) assertmsg = '"{}" convergence failure'.format(router) @@ -95,33 +97,44 @@ def expect_ospfv3_routes(router, routes, wait=5, detail=False): assert result is None, assertmsg -class OSPFv3Topo2(Topo): - "Test topology builder" +def dont_expect_route(router, unexpected_route, type=None): + "Specialized test function to expect route go missing" + tgen = get_topogen() + + if type == None: + cmd = "show ipv6 ospf6 route json" + else: + cmd = "show ipv6 ospf6 route {} json".format(type) + + output = tgen.gears[router].vtysh_cmd(cmd, isjson=True) + if unexpected_route in output["routes"]: + return output["routes"][unexpected_route] + return None - def build(self, *_args, **_opts): - "Build function" - tgen = get_topogen(self) - # Create 4 routers - for routern in range(1, 5): - tgen.add_router("r{}".format(routern)) +def build_topo(tgen): + "Build function" - switch = tgen.add_switch("s1") - switch.add_link(tgen.gears["r1"]) - switch.add_link(tgen.gears["r2"]) + # Create 4 routers + for routern in range(1, 5): + tgen.add_router("r{}".format(routern)) - switch = tgen.add_switch("s2") - switch.add_link(tgen.gears["r2"]) - switch.add_link(tgen.gears["r3"]) + switch = tgen.add_switch("s1") + switch.add_link(tgen.gears["r1"]) + switch.add_link(tgen.gears["r2"]) - switch = tgen.add_switch("s3") - switch.add_link(tgen.gears["r2"]) - switch.add_link(tgen.gears["r4"]) + 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.add_link(tgen.gears["r4"]) def setup_module(mod): "Sets up the pytest environment" - tgen = Topogen(OSPFv3Topo2, mod.__name__) + tgen = Topogen(build_topo, mod.__name__) tgen.start_topology() router_list = tgen.routers() @@ -204,8 +217,8 @@ def test_ospfv3_expected_route_types(): { "numberOfIntraAreaRoutes": 1, "numberOfInterAreaRoutes": 2, - "numberOfExternal1Routes": 4, - "numberOfExternal2Routes": 0, + "numberOfExternal1Routes": 0, + "numberOfExternal2Routes": 3, }, ) @@ -259,11 +272,13 @@ def test_redistribute_metrics(): route = { "2001:db8:500::/64": { - "metricType":2, - "metricCost":10, + "metricType": 2, + "metricCost": 10, } } - logger.info("Expecting AS-external route 2001:db8:500::/64 to show up with default metrics") + logger.info( + "Expecting AS-external route 2001:db8:500::/64 to show up with default metrics" + ) expect_ospfv3_routes("r2", route, wait=30, detail=True) # Change the metric of redistributed routes of the static type on r3. @@ -277,15 +292,16 @@ def test_redistribute_metrics(): # Check if r3 reinstalled 2001:db8:500::/64 using the new metric type and value. route = { "2001:db8:500::/64": { - "metricType":1, - "metricCost":60, + "metricType": 1, + "metricCost": 60, } } - logger.info("Expecting AS-external route 2001:db8:500::/64 to show up with updated metric type and value") + logger.info( + "Expecting AS-external route 2001:db8:500::/64 to show up with updated metric type and value" + ) expect_ospfv3_routes("r2", route, wait=30, detail=True) - def test_nssa_lsa_type7(): """ Test that static route gets announced as external route when redistributed @@ -314,10 +330,8 @@ def test_nssa_lsa_type7(): ] route = { "2001:db8:100::/64": { - "pathType": "E1", - "nextHops": [ - {"nextHop": "::", "interfaceName": "r4-eth0"} - ] + "pathType": "E2", + "nextHops": [{"nextHop": "::", "interfaceName": "r4-eth0"}], } } @@ -336,21 +350,15 @@ def test_nssa_lsa_type7(): def dont_expect_lsa(unexpected_lsa): "Specialized test function to expect LSA go missing" - output = tgen.gears["r4"].vtysh_cmd("show ipv6 ospf6 database type-7 detail json", isjson=True) - for lsa in output['areaScopedLinkStateDb'][0]['lsa']: + output = tgen.gears["r4"].vtysh_cmd( + "show ipv6 ospf6 database type-7 detail json", isjson=True + ) + for lsa in output["areaScopedLinkStateDb"][0]["lsa"]: if lsa["prefix"] == unexpected_lsa["prefix"]: if lsa["forwardingAddress"] == unexpected_lsa["forwardingAddress"]: return lsa return None - def dont_expect_route(unexpected_route): - "Specialized test function to expect route go missing" - output = tgen.gears["r4"].vtysh_cmd("show ipv6 ospf6 route json", isjson=True) - if output["routes"].has_key(unexpected_route): - return output["routes"][unexpected_route] - return None - - logger.info("Expecting LSA type-7 and OSPFv3 route 2001:db8:100::/64 to go away") # Test that LSA doesn't exist. @@ -360,12 +368,182 @@ def test_nssa_lsa_type7(): assert result is None, assertmsg # Test that route doesn't exist. - test_func = partial(dont_expect_route, "2001:db8:100::/64") + test_func = partial(dont_expect_route, "r4", "2001:db8:100::/64") _, result = topotest.run_and_expect(test_func, None, count=130, wait=1) assertmsg = '"{}" route still exists'.format("r4") assert result is None, assertmsg +def test_nssa_no_summary(): + """ + Test the following: + * Type-3 inter-area routes should be removed when the NSSA no-summary option + is configured; + * A type-3 inter-area default route should be originated into the NSSA area + when the no-summary option is configured; + * Once the no-summary option is unconfigured, all previously existing + Type-3 inter-area routes should be re-added, and the inter-area default + route removed. + """ + tgen = get_topogen() + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + # + # Configure area 1 as a NSSA totally stub area. + # + config = """ + configure terminal + router ospf6 + area 2 nssa no-summary + """ + tgen.gears["r2"].vtysh_cmd(config) + + logger.info("Expecting inter-area routes to be removed") + for route in ["2001:db8:1::/64", "2001:db8:2::/64"]: + test_func = partial(dont_expect_route, "r4", route, type="inter-area") + _, result = topotest.run_and_expect(test_func, None, count=130, wait=1) + assertmsg = "{}'s {} inter-area route still exists".format("r4", route) + assert result is None, assertmsg + + logger.info("Expecting inter-area default-route to be added") + routes = {"::/0": {}} + expect_ospfv3_routes("r4", routes, wait=30, type="inter-area") + + # + # Configure area 1 as a regular NSSA area. + # + config = """ + configure terminal + router ospf6 + area 2 nssa + """ + tgen.gears["r2"].vtysh_cmd(config) + + logger.info("Expecting inter-area routes to be re-added") + routes = {"2001:db8:1::/64": {}, "2001:db8:2::/64": {}} + expect_ospfv3_routes("r4", routes, wait=30, type="inter-area") + + logger.info("Expecting inter-area default route to be removed") + test_func = partial(dont_expect_route, "r4", "::/0", type="inter-area") + _, result = topotest.run_and_expect(test_func, None, count=130, wait=1) + assertmsg = "{}'s inter-area default route still exists".format("r4") + assert result is None, assertmsg + + +def test_nssa_default_originate(): + """ + Test the following: + * A type-7 default route should be originated into the NSSA area + when the default-information-originate option is configured; + * Once the default-information-originate option is unconfigured, the + previously originated Type-7 default route should be removed. + """ + tgen = get_topogen() + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + # + # Configure r2 to announce a Type-7 default route. + # + config = """ + configure terminal + router ospf6 + no default-information originate + area 2 nssa default-information-originate + """ + tgen.gears["r2"].vtysh_cmd(config) + + logger.info("Expecting Type-7 default-route to be added") + routes = {"::/0": {}} + expect_ospfv3_routes("r4", routes, wait=30, type="external-2") + + # + # Configure r2 to stop announcing a Type-7 default route. + # + config = """ + configure terminal + router ospf6 + area 2 nssa + """ + tgen.gears["r2"].vtysh_cmd(config) + + logger.info("Expecting Type-7 default route to be removed") + test_func = partial(dont_expect_route, "r4", "::/0", type="external-2") + _, result = topotest.run_and_expect(test_func, None, count=30, wait=1) + assertmsg = "r4's Type-7 default route still exists" + assert result is None, assertmsg + + +def test_area_filters(): + """ + Test ABR import/export filters. + """ + tgen = get_topogen() + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + # + # Configure import/export filters on r2 (ABR for area 1). + # + config = """ + configure terminal + ipv6 access-list ACL_IMPORT seq 5 permit 2001:db8:2::/64 + ipv6 access-list ACL_IMPORT seq 10 deny any + ipv6 access-list ACL_EXPORT seq 10 deny any + router ospf6 + area 1 import-list ACL_IMPORT + area 1 export-list ACL_EXPORT + """ + tgen.gears["r2"].vtysh_cmd(config) + + logger.info("Expecting inter-area routes to be removed on r1") + for route in ["::/0", "2001:db8:3::/64"]: + test_func = partial(dont_expect_route, "r1", route, type="inter-area") + _, result = topotest.run_and_expect(test_func, None, count=130, wait=1) + assertmsg = "{}'s {} inter-area route still exists".format("r1", route) + assert result is None, assertmsg + + logger.info("Expecting inter-area routes to be removed on r3") + for route in ["2001:db8:1::/64"]: + test_func = partial(dont_expect_route, "r3", route, type="inter-area") + _, result = topotest.run_and_expect(test_func, None, count=130, wait=1) + assertmsg = "{}'s {} inter-area route still exists".format("r3", route) + assert result is None, assertmsg + + # + # Update the ACLs used by the import/export filters. + # + config = """ + configure terminal + ipv6 access-list ACL_IMPORT seq 6 permit 2001:db8:3::/64 + ipv6 access-list ACL_EXPORT seq 5 permit 2001:db8:1::/64 + """ + tgen.gears["r2"].vtysh_cmd(config) + + logger.info("Expecting 2001:db8:3::/64 to be re-added on r1") + routes = {"2001:db8:3::/64": {}} + expect_ospfv3_routes("r1", routes, wait=30, type="inter-area") + logger.info("Expecting 2001:db8:1::/64 to be re-added on r3") + routes = {"2001:db8:1::/64": {}} + expect_ospfv3_routes("r3", routes, wait=30, type="inter-area") + + # + # Unconfigure r2's ABR import/export filters. + # + config = """ + configure terminal + router ospf6 + no area 1 import-list ACL_IMPORT + no area 1 export-list ACL_EXPORT + """ + tgen.gears["r2"].vtysh_cmd(config) + + logger.info("Expecting ::/0 to be re-added on r1") + routes = {"::/0": {}} + expect_ospfv3_routes("r1", routes, wait=30, type="inter-area") + + def teardown_module(_mod): "Teardown the pytest environment" tgen = get_topogen() |