Adding upstream version 9.1.upstream/9.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 653 insertions, 0 deletions

diff --git a/tests/topotests/ospf6_topo2/test_ospf6_topo2.py b/tests/topotests/ospf6_topo2/test_ospf6_topo2.py
new file mode 100644
index 0000000..f95f7bb
--- /dev/null
+++ b/tests/topotests/ospf6_topo2/test_ospf6_topo2.py
@@ -0,0 +1,653 @@
+#!/usr/bin/env python
+# SPDX-License-Identifier: ISC
+
+#
+# test_ospf6_topo2.py
+# Part of NetDEF Topology Tests
+#
+# Copyright (c) 2021 by
+# Network Device Education Foundation, Inc. ("NetDEF")
+#
+
+"""
+test_ospf6_topo2.py: Test the FRR OSPFv3 daemon.
+"""
+
+import os
+import sys
+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
+
+# Required to instantiate the topology builder class.
+
+pytestmark = [pytest.mark.ospf6d]
+
+
+def expect_lsas(router, area, lsas, wait=5, extra_params=""):
+    """
+    Run the OSPFv3 show LSA database command and expect the supplied LSAs.
+
+    Optional parameters:
+     * `wait`: amount of seconds to wait.
+     * `extra_params`: extra LSA database parameters.
+     * `inverse`: assert the inverse of the expected.
+    """
+    tgen = get_topogen()
+
+    command = "show ipv6 ospf6 database {} json".format(extra_params)
+
+    logger.info("waiting OSPFv3 router '{}' LSA".format(router))
+    test_func = partial(
+        topotest.router_json_cmp,
+        tgen.gears[router],
+        command,
+        {"areaScopedLinkStateDb": [{"areaId": area, "lsa": lsas}]},
+    )
+    _, result = topotest.run_and_expect(test_func, None, count=wait, wait=1)
+    assertmsg = '"{}" convergence failure'.format(router)
+
+    assert result is None, assertmsg
+
+
+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:
+        if type == None:
+            cmd = "show ipv6 ospf6 route json"
+        else:
+            cmd = "show ipv6 ospf6 route {} json".format(type)
+    else:
+        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}
+    )
+    _, result = topotest.run_and_expect(test_func, None, count=wait, wait=1)
+    assertmsg = '"{}" convergence failure'.format(router)
+
+    assert result is None, assertmsg
+
+
+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_topo(tgen):
+    "Build function"
+
+    # Create 4 routers
+    for routern in range(1, 5):
+        tgen.add_router("r{}".format(routern))
+
+    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["r2"])
+    switch.add_link(tgen.gears["r3"])
+
+    switch = tgen.add_switch("s3")
+    switch.add_link(tgen.gears["r2"])
+    switch.add_link(tgen.gears["r4"])
+
+    switch = tgen.add_switch("s4")
+    switch.add_link(tgen.gears["r4"], nodeif="r4-stubnet")
+
+
+def setup_module(mod):
+    "Sets up the pytest environment"
+    tgen = Topogen(build_topo, mod.__name__)
+    tgen.start_topology()
+
+    router_list = tgen.routers()
+    for rname, router in router_list.items():
+
+        daemon_file = "{}/{}/zebra.conf".format(CWD, rname)
+        if os.path.isfile(daemon_file):
+            router.load_config(TopoRouter.RD_ZEBRA, daemon_file)
+
+        daemon_file = "{}/{}/ospf6d.conf".format(CWD, rname)
+        if os.path.isfile(daemon_file):
+            router.load_config(TopoRouter.RD_OSPF6, daemon_file)
+
+    # Initialize all routers.
+    tgen.start_router()
+
+
+def test_wait_protocol_convergence():
+    "Wait for OSPFv3 to converge"
+    tgen = get_topogen()
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    logger.info("waiting for protocols to converge")
+
+    def expect_neighbor_full(router, neighbor):
+        "Wait until OSPFv3 convergence."
+        logger.info("waiting OSPFv3 router '{}'".format(router))
+        test_func = partial(
+            topotest.router_json_cmp,
+            tgen.gears[router],
+            "show ipv6 ospf6 neighbor json",
+            {"neighbors": [{"neighborId": neighbor, "state": "Full"}]},
+        )
+        _, result = topotest.run_and_expect(test_func, None, count=130, wait=1)
+        assertmsg = '"{}" convergence failure'.format(router)
+        assert result is None, assertmsg
+
+    expect_neighbor_full("r1", "10.254.254.2")
+    expect_neighbor_full("r2", "10.254.254.1")
+    expect_neighbor_full("r2", "10.254.254.3")
+    expect_neighbor_full("r2", "10.254.254.4")
+    expect_neighbor_full("r3", "10.254.254.2")
+    expect_neighbor_full("r4", "10.254.254.2")
+
+
+def test_ospfv3_expected_route_types():
+    "Test routers route type to determine if NSSA/Stub is working as expected."
+    tgen = get_topogen()
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    logger.info("waiting for protocols to converge")
+
+    def expect_ospf6_route_types(router, expected_summary):
+        "Expect the correct route types."
+        logger.info("waiting OSPFv3 router '{}'".format(router))
+        test_func = partial(
+            topotest.router_json_cmp,
+            tgen.gears[router],
+            "show ipv6 ospf6 route summary json",
+            expected_summary,
+        )
+        _, result = topotest.run_and_expect(test_func, None, count=10, wait=1)
+        assertmsg = '"{}" convergence failure'.format(router)
+        assert result is None, assertmsg
+
+    # Stub router: no external routes.
+    expect_ospf6_route_types(
+        "r1",
+        {
+            "numberOfIntraAreaRoutes": 1,
+            "numberOfInterAreaRoutes": 3,
+            "numberOfExternal1Routes": 0,
+            "numberOfExternal2Routes": 0,
+        },
+    )
+    # NSSA router: no external routes.
+    expect_ospf6_route_types(
+        "r4",
+        {
+            "numberOfIntraAreaRoutes": 1,
+            "numberOfInterAreaRoutes": 2,
+            "numberOfExternal1Routes": 0,
+            "numberOfExternal2Routes": 3,
+        },
+    )
+
+
+def test_ospf6_default_route():
+    "Wait for OSPFv3 default route in stub area."
+    tgen = get_topogen()
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    logger.info("waiting for default route")
+
+    def expect_route(router, route, metric):
+        "Test OSPF6 route existence."
+        logger.info("waiting OSPFv3 router '{}' routes".format(router))
+        test_func = partial(
+            topotest.router_json_cmp,
+            tgen.gears[router],
+            "show ipv6 route json",
+            {route: [{"metric": metric}]},
+        )
+        _, result = topotest.run_and_expect(test_func, None, count=5, wait=1)
+        assertmsg = '"{}" convergence failure'.format(router)
+        assert result is None, assertmsg
+
+    metric = 123
+    expect_lsas(
+        "r1",
+        "0.0.0.1",
+        [{"prefix": "::/0", "metric": metric}],
+        extra_params="inter-prefix detail",
+    )
+    expect_route("r1", "::/0", metric + 10)
+
+
+def test_redistribute_metrics():
+    """
+    Test that the configured metrics are honored when a static route is
+    redistributed.
+    """
+    tgen = get_topogen()
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    # Add new static route on r3.
+    config = """
+    configure terminal
+    ipv6 route 2001:db8:500::/64 Null0
+    """
+    tgen.gears["r3"].vtysh_cmd(config)
+
+    route = {
+        "2001:db8:500::/64": {
+            "metricType": 2,
+            "metricCost": 10,
+        }
+    }
+    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.
+    config = """
+    configure terminal
+    router ospf6
+    redistribute static metric 50 metric-type 1
+    """
+    tgen.gears["r3"].vtysh_cmd(config)
+
+    # Check if r3 reinstalled 2001:db8:500::/64 using the new metric type and value.
+    route = {
+        "2001:db8:500::/64": {
+            "metricType": 1,
+            "metricCost": 60,
+        }
+    }
+    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
+    and gets removed when redistribution stops.
+    """
+    tgen = get_topogen()
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    #
+    # Add new static route and check if it gets announced as LSA Type-7.
+    #
+    config = """
+    configure terminal
+    ipv6 route 2001:db8:100::/64 Null0
+    """
+    tgen.gears["r2"].vtysh_cmd(config)
+
+    lsas = [
+        {
+            "type": "NSSA",
+            "advertisingRouter": "10.254.254.2",
+            "prefix": "2001:db8:100::/64",
+            "forwardingAddress": "2001:db8:3::1",
+        }
+    ]
+    route = {
+        "2001:db8:100::/64": {
+            "pathType": "E2",
+            "nextHops": [{"nextHop": "::", "interfaceName": "r4-eth0"}],
+        }
+    }
+
+    logger.info("Expecting LSA type-7 and OSPFv3 route 2001:db8:100::/64 to show up")
+    expect_lsas("r4", "0.0.0.2", lsas, wait=30, extra_params="type-7 detail")
+    expect_ospfv3_routes("r4", route, wait=30)
+
+    #
+    # Remove static route and check for LSA Type-7 removal.
+    #
+    config = """
+    configure terminal
+    no ipv6 route 2001:db8:100::/64 Null0
+    """
+    tgen.gears["r2"].vtysh_cmd(config)
+
+    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"]:
+            if lsa["prefix"] == unexpected_lsa["prefix"]:
+                if lsa["forwardingAddress"] == unexpected_lsa["forwardingAddress"]:
+                    return lsa
+        return None
+
+    logger.info("Expecting LSA type-7 and OSPFv3 route 2001:db8:100::/64 to go away")
+
+    # Test that LSA doesn't exist.
+    test_func = partial(dont_expect_lsa, lsas[0])
+    _, result = topotest.run_and_expect(test_func, None, count=130, wait=1)
+    assertmsg = '"{}" LSA still exists'.format("r4")
+    assert result is None, assertmsg
+
+    # Test that route doesn't exist.
+    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 2).
+    #
+    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 test_nssa_range():
+    """
+    Test NSSA ABR ranges.
+    """
+    tgen = get_topogen()
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    # Configure new addresses on r4 and enable redistribution of connected
+    # routes.
+    config = """
+    configure terminal
+    interface r4-stubnet
+    ipv6 address 2001:db8:1000::1/128
+    ipv6 address 2001:db8:1000::2/128
+    router ospf6
+    redistribute connected
+    """
+    tgen.gears["r4"].vtysh_cmd(config)
+    logger.info("Expecting NSSA-translated external routes to be added on r3")
+    routes = {"2001:db8:1000::1/128": {}, "2001:db8:1000::2/128": {}}
+    expect_ospfv3_routes("r3", routes, wait=30, type="external-2")
+
+    # Configure an NSSA range on r2 (ABR for area 2).
+    config = """
+    configure terminal
+    router ospf6
+    area 2 nssa range 2001:db8:1000::/64
+    """
+    tgen.gears["r2"].vtysh_cmd(config)
+    logger.info("Expecting summarized routes to be removed from r3")
+    for route in ["2001:db8:1000::1/128", "2001:db8:1000::2/128"]:
+        test_func = partial(dont_expect_route, "r3", route, type="external-2")
+        _, result = topotest.run_and_expect(test_func, None, count=30, wait=1)
+        assertmsg = "{}'s {} summarized route still exists".format("r3", route)
+        assert result is None, assertmsg
+    logger.info("Expecting NSSA range to be added on r3")
+    routes = {
+        "2001:db8:1000::/64": {
+            "metricType": 2,
+            "metricCost": 20,
+            "metricCostE2": 10,
+        }
+    }
+    expect_ospfv3_routes("r3", routes, wait=30, type="external-2", detail=True)
+
+    # Change the NSSA range cost.
+    config = """
+    configure terminal
+    router ospf6
+    area 2 nssa range 2001:db8:1000::/64 cost 1000
+    """
+    tgen.gears["r2"].vtysh_cmd(config)
+    logger.info("Expecting NSSA range to be updated with new cost")
+    routes = {
+        "2001:db8:1000::/64": {
+            "metricType": 2,
+            "metricCost": 20,
+            "metricCostE2": 1000,
+        }
+    }
+    expect_ospfv3_routes("r3", routes, wait=30, type="external-2", detail=True)
+
+    # Configure the NSSA range to not be advertised.
+    config = """
+    configure terminal
+    router ospf6
+    area 2 nssa range 2001:db8:1000::/64 not-advertise
+    """
+    tgen.gears["r2"].vtysh_cmd(config)
+    logger.info("Expecting NSSA summary route to be removed")
+    route = "2001:db8:1000::/64"
+    test_func = partial(dont_expect_route, "r3", route, type="external-2")
+    _, result = topotest.run_and_expect(test_func, None, count=30, wait=1)
+    assertmsg = "{}'s {} NSSA summary route still exists".format("r3", route)
+    assert result is None, assertmsg
+
+    # Remove the NSSA range.
+    config = """
+    configure terminal
+    router ospf6
+    no area 2 nssa range 2001:db8:1000::/64
+    """
+    tgen.gears["r2"].vtysh_cmd(config)
+    logger.info("Expecting previously summarized routes to be re-added")
+    routes = {
+        "2001:db8:1000::1/128": {
+            "metricType": 2,
+            "metricCostE2": 20,
+        },
+        "2001:db8:1000::2/128": {
+            "metricType": 2,
+            "metricCostE2": 20,
+        },
+    }
+    expect_ospfv3_routes("r3", routes, wait=30, type="external-2", detail=True)
+
+
+def teardown_module(_mod):
+    "Teardown the pytest environment"
+    tgen = get_topogen()
+    tgen.stop_topology()
+
+
+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))