Adding upstream version 8.4.4.upstream/8.4.4upstream

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

1 files changed, 324 insertions, 0 deletions

diff --git a/tests/topotests/ospf_netns_vrf/test_ospf_netns_vrf.py b/tests/topotests/ospf_netns_vrf/test_ospf_netns_vrf.py
new file mode 100644
index 0000000..621d807
--- /dev/null
+++ b/tests/topotests/ospf_netns_vrf/test_ospf_netns_vrf.py
@@ -0,0 +1,324 @@
+#!/usr/bin/env python
+
+#
+# test_ospf_netns_vrf.py
+# Part of NetDEF Topology Tests
+#
+# Copyright (c) 2017 by
+# Network Device Education Foundation, Inc. ("NetDEF")
+#
+# 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_netns_vrf.py: Test OSPF with Network Namespace VRFs.
+"""
+
+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.ospfd]
+
+
+def build_topo(tgen):
+    "Build function"
+
+    # Create 3 routers
+    for routern in range(1, 4):
+        tgen.add_router("r{}".format(routern))
+
+    # Create a empty network for router 1
+    switch = tgen.add_switch("s1")
+    switch.add_link(tgen.gears["r1"])
+
+    # Create a empty network for router 2
+    switch = tgen.add_switch("s2")
+    switch.add_link(tgen.gears["r2"])
+
+    # Interconect router 1, 2 and 3
+    switch = tgen.add_switch("s3")
+    switch.add_link(tgen.gears["r1"])
+    switch.add_link(tgen.gears["r2"])
+    switch.add_link(tgen.gears["r3"])
+
+    # Create empty netowrk for router3
+    switch = tgen.add_switch("s4")
+    switch.add_link(tgen.gears["r3"])
+
+
+def setup_module(mod):
+    "Sets up the pytest environment"
+    tgen = Topogen(build_topo, mod.__name__)
+    tgen.start_topology()
+
+    router_list = tgen.routers()
+
+    # check for zebra capability
+    for rname, router in router_list.items():
+        if router.check_capability(TopoRouter.RD_ZEBRA, "--vrfwnetns") == False:
+            return pytest.skip(
+                "Skipping OSPF VRF NETNS feature. VRF NETNS backend not available on FRR"
+            )
+
+    if os.system("ip netns list") != 0:
+        return pytest.skip(
+            "Skipping OSPF VRF NETNS Test. NETNS not available on System"
+        )
+
+    logger.info("Testing with VRF Namespace support")
+
+    for rname, router in router_list.items():
+        # create VRF rx-ospf-cust1 and link rx-eth{0,1} to rx-ospf-cust1
+        ns = "{}-ospf-cust1".format(rname)
+        router.net.add_netns(ns)
+        router.net.set_intf_netns(rname + "-eth0", ns, up=True)
+        router.net.set_intf_netns(rname + "-eth1", ns, up=True)
+
+        router.load_config(
+            TopoRouter.RD_ZEBRA,
+            os.path.join(CWD, "{}/zebra.conf".format(rname)),
+            "--vrfwnetns",
+        )
+        router.load_config(
+            TopoRouter.RD_OSPF, os.path.join(CWD, "{}/ospfd.conf".format(rname))
+        )
+
+    # Initialize all routers.
+    tgen.start_router()
+    for router in router_list.values():
+        if router.has_version("<", "4.0"):
+            tgen.set_error("unsupported version")
+
+
+def teardown_module(mod):
+    "Teardown the pytest environment"
+    tgen = get_topogen()
+
+    # Move interfaces out of vrf namespace and delete the namespace
+    router_list = tgen.routers()
+    for rname, router in router_list.items():
+        tgen.net[rname].reset_intf_netns(rname + "-eth0")
+        tgen.net[rname].reset_intf_netns(rname + "-eth1")
+        tgen.net[rname].delete_netns(rname + "-ospf-cust1")
+    tgen.stop_topology()
+
+
+# Shared test function to validate expected output.
+def compare_show_ip_route_vrf(rname, expected):
+    """
+    Calls 'show ip ospf vrf [rname]-ospf-cust1 route' for router `rname` and compare the obtained
+    result with the expected output.
+    """
+    tgen = get_topogen()
+    vrf_name = "{0}-ospf-cust1".format(rname)
+    current = topotest.ip4_route_zebra(tgen.gears[rname], vrf_name)
+    ret = topotest.difflines(
+        current, expected, title1="Current output", title2="Expected output"
+    )
+    return ret
+
+
+def test_ospf_convergence():
+    "Test OSPF daemon convergence"
+    tgen = get_topogen()
+
+    if tgen.routers_have_failure():
+        pytest.skip("skipped because of router(s) failure")
+
+    for rname, router in tgen.routers().items():
+        logger.info('Waiting for router "%s" convergence', rname)
+
+        # Load expected results from the command
+        reffile = os.path.join(CWD, "{}/ospfroute.txt".format(rname))
+        expected = open(reffile).read()
+
+        # Run test function until we get an result. Wait at most 60 seconds.
+        test_func = partial(
+            topotest.router_output_cmp,
+            router,
+            "show ip ospf vrf {0}-ospf-cust1 route".format(rname),
+            expected,
+        )
+        result, diff = topotest.run_and_expect(test_func, "", count=160, wait=0.5)
+        assertmsg = "OSPF did not converge on {}:\n{}".format(rname, diff)
+        assert result, assertmsg
+
+
+def test_ospf_kernel_route():
+    "Test OSPF kernel route installation"
+    tgen = get_topogen()
+
+    if tgen.routers_have_failure():
+        pytest.skip("skipped because of router(s) failure")
+
+    rlist = tgen.routers().values()
+    for router in rlist:
+        logger.info('Checking OSPF IPv4 kernel routes in "%s"', router.name)
+        reffile = os.path.join(CWD, "{}/zebraroute.txt".format(router.name))
+        expected = open(reffile).read()
+        # Run test function until we get an result. Wait at most 60 seconds.
+        test_func = partial(compare_show_ip_route_vrf, router.name, expected)
+        result, diff = topotest.run_and_expect(test_func, "", count=140, wait=0.5)
+        assertmsg = 'OSPF IPv4 route mismatch in router "{}": {}'.format(
+            router.name, diff
+        )
+        assert result, assertmsg
+
+
+def test_ospf_json():
+    "Test 'show ip ospf json' output for coherency."
+    tgen = get_topogen()
+
+    if tgen.routers_have_failure():
+        pytest.skip("skipped because of router(s) failure")
+
+    for rname, router in tgen.routers().items():
+        logger.info(
+            'Comparing router "%s" "show ip ospf vrf %s-ospf-cust1 json" output',
+            router.name,
+            router.name,
+        )
+        expected = {
+            "{}-ospf-cust1".format(router.name): {
+                "vrfName": "{}-ospf-cust1".format(router.name),
+                "routerId": "10.0.255.{}".format(rname[1:]),
+                "tosRoutesOnly": True,
+                "rfc2328Conform": True,
+                "spfScheduleDelayMsecs": 0,
+                "holdtimeMinMsecs": 50,
+                "holdtimeMaxMsecs": 5000,
+                "lsaMinIntervalMsecs": 5000,
+                "lsaMinArrivalMsecs": 1000,
+                "writeMultiplier": 20,
+                "refreshTimerMsecs": 10000,
+                "asbrRouter": "injectingExternalRoutingInformation",
+                "attachedAreaCounter": 1,
+                "areas": {},
+            }
+        }
+        # Area specific additional checks
+        if router.name == "r1" or router.name == "r2" or router.name == "r3":
+            expected["{}-ospf-cust1".format(router.name)]["areas"]["0.0.0.0"] = {
+                "areaIfActiveCounter": 2,
+                "areaIfTotalCounter": 2,
+                "authentication": "authenticationNone",
+                "backbone": True,
+                "lsaAsbrNumber": 0,
+                "lsaNetworkNumber": 1,
+                "lsaNssaNumber": 0,
+                "lsaNumber": 4,
+                "lsaOpaqueAreaNumber": 0,
+                "lsaOpaqueLinkNumber": 0,
+                "lsaRouterNumber": 3,
+                "lsaSummaryNumber": 0,
+                "nbrFullAdjacentCounter": 2,
+            }
+
+        test_func = partial(
+            topotest.router_json_cmp,
+            router,
+            "show ip ospf vrf {0}-ospf-cust1 json".format(rname),
+            expected,
+        )
+        _, diff = topotest.run_and_expect(test_func, None, count=10, wait=0.5)
+        assertmsg = '"{}" JSON output mismatches'.format(rname)
+        assert diff is None, assertmsg
+
+
+def test_ospf_link_down():
+    "Test OSPF convergence after a link goes down"
+    tgen = get_topogen()
+
+    if tgen.routers_have_failure():
+        pytest.skip("skipped because of router(s) failure")
+
+    # Simulate a network down event on router3 switch3 interface.
+    router3 = tgen.gears["r3"]
+    topotest.interface_set_status(
+        router3, "r3-eth0", ifaceaction=False, vrf_name="r3-ospf-cust1"
+    )
+
+    # Expect convergence on all routers
+    for rname, router in tgen.routers().items():
+        logger.info('Waiting for router "%s" convergence after link failure', rname)
+        # Load expected results from the command
+        reffile = os.path.join(CWD, "{}/ospfroute_down.txt".format(rname))
+        expected = open(reffile).read()
+
+        # Run test function until we get an result. Wait at most 60 seconds.
+        test_func = partial(
+            topotest.router_output_cmp,
+            router,
+            "show ip ospf vrf {0}-ospf-cust1 route".format(rname),
+            expected,
+        )
+        result, diff = topotest.run_and_expect(test_func, "", count=140, wait=0.5)
+        assertmsg = "OSPF did not converge on {}:\n{}".format(rname, diff)
+        assert result, assertmsg
+
+
+def test_ospf_link_down_kernel_route():
+    "Test OSPF kernel route installation"
+    tgen = get_topogen()
+
+    if tgen.routers_have_failure():
+        pytest.skip("skipped because of router(s) failure")
+
+    rlist = tgen.routers().values()
+    for router in rlist:
+        logger.info(
+            'Checking OSPF IPv4 kernel routes in "%s" after link down', router.name
+        )
+
+        str = "{0}-ospf-cust1".format(router.name)
+        reffile = os.path.join(CWD, "{}/zebraroutedown.txt".format(router.name))
+        expected = open(reffile).read()
+        # Run test function until we get an result. Wait at most 60 seconds.
+        test_func = partial(compare_show_ip_route_vrf, router.name, expected)
+        result, diff = topotest.run_and_expect(test_func, "", count=140, wait=0.5)
+        assertmsg = (
+            'OSPF IPv4 route mismatch in router "{}" after link down: {}'.format(
+                router.name, diff
+            )
+        )
+        assert result, 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))