Adding upstream version 8.4.4.upstream/8.4.4upstream

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

1 files changed, 682 insertions, 0 deletions

diff --git a/tests/topotests/ospf_sr_topo1/test_ospf_sr_topo1.py b/tests/topotests/ospf_sr_topo1/test_ospf_sr_topo1.py
new file mode 100644
index 0000000..96e37fd
--- /dev/null
+++ b/tests/topotests/ospf_sr_topo1/test_ospf_sr_topo1.py
@@ -0,0 +1,682 @@
+#!/usr/bin/env python
+
+#
+# test_ospf_sr_topo1.py
+# Part of NetDEF Topology Tests
+#
+# Copyright (c) 2020 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_sr_topo1.py:
+
+                         +---------+
+                         |         |
+                         |   RT1   |
+                         | 1.1.1.1 |
+                         |         |
+                         +---------+
+                              |eth-sw1
+                              |
+                              |
+                              |
+         +---------+          |          +---------+
+         |         |          |          |         |
+         |   RT2   |eth-sw1   |   eth-sw1|   RT3   |
+         | 2.2.2.2 +----------+----------+ 3.3.3.3 |
+         |         |     10.0.1.0/24     |         |
+         +---------+                     +---------+
+    eth-rt4-1|  |eth-rt4-2          eth-rt5-1|  |eth-rt5-2
+             |  |                            |  |
+  10.0.2.0/24|  |10.0.3.0/24      10.0.4.0/24|  |10.0.5.0/24
+             |  |                            |  |
+    eth-rt2-1|  |eth-rt2-2          eth-rt3-1|  |eth-rt3-2
+         +---------+                     +---------+
+         |         |                     |         |
+         |   RT4   |     10.0.6.0/24     |   RT5   |
+         | 4.4.4.4 +---------------------+ 5.5.5.5 |
+         |         |eth-rt5       eth-rt4|         |
+         +---------+                     +---------+
+       eth-rt6|                                |eth-rt6
+              |                                |
+   10.0.7.0/24|                                |10.0.8.0/24
+              |          +---------+           |
+              |          |         |           |
+              |          |   RT6   |           |
+              +----------+ 6.6.6.6 +-----------+
+                  eth-rt4|         |eth-rt5
+                         +---------+
+"""
+
+import os
+import sys
+import pytest
+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
+# 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"
+
+    #
+    # Define FRR Routers
+    #
+    for router in ["rt1", "rt2", "rt3", "rt4", "rt5", "rt6"]:
+        tgen.add_router(router)
+
+    #
+    # Define connections
+    #
+    switch = tgen.add_switch("s1")
+    switch.add_link(tgen.gears["rt1"], nodeif="eth-sw1")
+    switch.add_link(tgen.gears["rt2"], nodeif="eth-sw1")
+    switch.add_link(tgen.gears["rt3"], nodeif="eth-sw1")
+
+    switch = tgen.add_switch("s2")
+    switch.add_link(tgen.gears["rt2"], nodeif="eth-rt4-1")
+    switch.add_link(tgen.gears["rt4"], nodeif="eth-rt2-1")
+
+    switch = tgen.add_switch("s3")
+    switch.add_link(tgen.gears["rt2"], nodeif="eth-rt4-2")
+    switch.add_link(tgen.gears["rt4"], nodeif="eth-rt2-2")
+
+    switch = tgen.add_switch("s4")
+    switch.add_link(tgen.gears["rt3"], nodeif="eth-rt5-1")
+    switch.add_link(tgen.gears["rt5"], nodeif="eth-rt3-1")
+
+    switch = tgen.add_switch("s5")
+    switch.add_link(tgen.gears["rt3"], nodeif="eth-rt5-2")
+    switch.add_link(tgen.gears["rt5"], nodeif="eth-rt3-2")
+
+    switch = tgen.add_switch("s6")
+    switch.add_link(tgen.gears["rt4"], nodeif="eth-rt5")
+    switch.add_link(tgen.gears["rt5"], nodeif="eth-rt4")
+
+    switch = tgen.add_switch("s7")
+    switch.add_link(tgen.gears["rt4"], nodeif="eth-rt6")
+    switch.add_link(tgen.gears["rt6"], nodeif="eth-rt4")
+
+    switch = tgen.add_switch("s8")
+    switch.add_link(tgen.gears["rt5"], nodeif="eth-rt6")
+    switch.add_link(tgen.gears["rt6"], nodeif="eth-rt5")
+
+
+def setup_module(mod):
+    "Sets up the pytest environment"
+    tgen = Topogen(build_topo, mod.__name__)
+    tgen.start_topology()
+
+    router_list = tgen.routers()
+
+    # For all registered routers, load the zebra configuration file
+    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))
+        )
+
+    tgen.start_router()
+
+
+def teardown_module(mod):
+    "Teardown the pytest environment"
+    tgen = get_topogen()
+
+    # This function tears down the whole topology.
+    tgen.stop_topology()
+
+
+def print_cmd_result(rname, command):
+    print(get_topogen().gears[rname].vtysh_cmd(command, isjson=False))
+
+
+def router_compare_json_output(rname, command, reference):
+    "Compare router JSON output"
+
+    logger.info('Comparing router "%s" "%s" output', rname, command)
+
+    tgen = get_topogen()
+    filename = "{}/{}/{}".format(CWD, rname, reference)
+    expected = json.loads(open(filename).read())
+
+    # 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=120, wait=0.5)
+    assertmsg = '"{}" JSON output mismatches the expected result'.format(rname)
+    assert diff is None, assertmsg
+
+
+#
+# Step 1
+#
+# Test initial network convergence
+#
+def test_rib_step1():
+    logger.info("Test (step 1): verify RIB")
+    tgen = get_topogen()
+
+    # Skip if previous fatal error condition is raised
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    for rname in ["rt1", "rt2", "rt3", "rt4", "rt5", "rt6"]:
+        router_compare_json_output(
+            rname, "show ip route ospf json", "step1/show_ip_route.ref"
+        )
+
+
+def test_mpls_lib_step1():
+    logger.info("Test (step 1): verify MPLS LIB")
+    tgen = get_topogen()
+
+    # Skip if previous fatal error condition is raised
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    for rname in ["rt1", "rt2", "rt3", "rt4", "rt5", "rt6"]:
+        router_compare_json_output(
+            rname, "show mpls table json", "step1/show_mpls_table.ref"
+        )
+
+
+#
+# Step 2
+#
+# Action(s):
+# -Disable OSPF on the eth-rt5 interface on rt4
+#
+# Expected changes:
+# -rt4 should uninstall the Adj-SIDs pointing to rt5
+# -rt5 should uninstall the Adj-SIDs pointing to rt4
+# -rt2 should reinstall rt5's Prefix-SIDs (2 nexthops deleted)
+# -rt3 should reinstall rt4's Prefix-SIDs (2 nexthops deleted)
+# -rt4 should reinstall rt3's Prefix-SIDs (1 nexthop deleted)
+# -rt4 should reinstall rt5's Prefix-SIDs (1 nexthop changed)
+# -rt5 should reinstall rt2's Prefix-SIDs (1 nexthop deleted)
+# -rt5 should reinstall rt4's Prefix-SIDs (1 nexthop changed)
+#
+def test_rib_ipv4_step2():
+    logger.info("Test (step 2): verify IPv4 RIB")
+    tgen = get_topogen()
+
+    # Skip if previous fatal error condition is raised
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    logger.info("Disabling OSPF on the eth-rt5 interface on rt4")
+    tgen.net["rt4"].cmd(
+        'vtysh -c "conf t" -c "interface eth-rt5" -c "no ip ospf network point-to-point"'
+    )
+
+    for rname in ["rt1", "rt2", "rt3", "rt4", "rt5", "rt6"]:
+        router_compare_json_output(
+            rname, "show ip route ospf json", "step2/show_ip_route.ref"
+        )
+
+
+def test_mpls_lib_step2():
+    logger.info("Test (step 2): verify MPLS LIB")
+    tgen = get_topogen()
+
+    # Skip if previous fatal error condition is raised
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    for rname in ["rt1", "rt2", "rt3", "rt4", "rt5", "rt6"]:
+        router_compare_json_output(
+            rname, "show mpls table json", "step2/show_mpls_table.ref"
+        )
+
+
+#
+# Step 3
+#
+# Action(s):
+# -Shut down the eth-rt4 interface on rt6
+# -Shut down the eth-rt5 interface on rt6
+#
+# Expected changes:
+# -All routers should uninstall rt6's Prefix-SIDs
+# -rt4 and rt5 should uninstall the Adj-SIDs pointing to rt6
+# -rt4 should reconverge rt5's Prefix-SIDs through rt2 using ECMP
+# -rt5 should reconverge rt4's Prefix-SIDs through rt3 using ECMP
+# -rt6 should uninstall all its IS-IS routes, Prefix-SIDs and Adj-SIDs
+#
+def test_rib_ipv4_step3():
+    logger.info("Test (step 3): verify IPv4 RIB")
+    tgen = get_topogen()
+
+    # Skip if previous fatal error condition is raised
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    logger.info("Shutting down the eth-rt4 interface on rt6")
+    tgen.net["rt6"].cmd('vtysh -c "conf t" -c "interface eth-rt4" -c "shutdown"')
+    logger.info("Shutting down the eth-rt5 interface on rt6")
+    tgen.net["rt6"].cmd('vtysh -c "conf t" -c "interface eth-rt5" -c "shutdown"')
+
+    for rname in ["rt1", "rt2", "rt3", "rt4", "rt5", "rt6"]:
+        router_compare_json_output(
+            rname, "show ip route ospf json", "step3/show_ip_route.ref"
+        )
+
+
+def test_mpls_lib_step3():
+    logger.info("Test (step 3): verify MPLS LIB")
+    tgen = get_topogen()
+
+    # Skip if previous fatal error condition is raised
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    for rname in ["rt1", "rt2", "rt3", "rt4", "rt5", "rt6"]:
+        router_compare_json_output(
+            rname, "show mpls table json", "step3/show_mpls_table.ref"
+        )
+
+
+#
+# Step 4
+#
+# Action(s):
+# -Bring up the eth-rt4 interface on rt6
+# -Bring up the eth-rt5 interface on rt6
+# -Change rt6's SRGB
+#
+# Expected changes:
+# -All routers should install rt6's Prefix-SIDs
+# -rt4 and rt5 should install Adj-SIDs for rt6
+# -rt4 should reconverge rt5's Prefix-SIDs through rt6 using the new SRGB
+# -rt5 should reconverge rt4's Prefix-SIDs through rt6 using the new SRGB
+# -rt6 should reinstall all IS-IS routes and Prefix-SIDs from the network, and Adj-SIDs for rt4 and rt5
+#
+def test_rib_ipv4_step4():
+    logger.info("Test (step 4): verify IPv4 RIB")
+    tgen = get_topogen()
+
+    # Skip if previous fatal error condition is raised
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    logger.info("Bringing up the eth-rt4 interface on rt6")
+    tgen.net["rt6"].cmd('vtysh -c "conf t" -c "interface eth-rt4" -c "no shutdown"')
+    logger.info("Bringing up the eth-rt5 interface on rt6")
+    tgen.net["rt6"].cmd('vtysh -c "conf t" -c "interface eth-rt5" -c "no shutdown"')
+    logger.info("Changing rt6's SRGB")
+    tgen.net["rt6"].cmd(
+        'vtysh -c "conf t" -c "router ospf" -c "segment-routing global-block 18000 25999"'
+    )
+
+    for rname in ["rt1", "rt2", "rt3", "rt4", "rt5", "rt6"]:
+        router_compare_json_output(
+            rname, "show ip route ospf json", "step4/show_ip_route.ref"
+        )
+
+
+def test_mpls_lib_step4():
+    logger.info("Test (step 4): verify MPLS LIB")
+    tgen = get_topogen()
+
+    # Skip if previous fatal error condition is raised
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    for rname in ["rt1", "rt2", "rt3", "rt4", "rt5", "rt6"]:
+        router_compare_json_output(
+            rname, "show mpls table json", "step4/show_mpls_table.ref"
+        )
+
+
+#
+# Step 5
+#
+# Action(s):
+# -Disable SR on rt6
+#
+# Expected changes:
+# -All routers should uninstall rt6's Prefix-SIDs
+# -rt4 should uninstall rt5's Prefix-SIDs since the nexthop router hasn't SR enabled anymore
+# -rt5 should uninstall rt4's Prefix-SIDs since the nexthop router hasn't SR enabled anymore
+# -rt6 should uninstall all Prefix-SIDs from the network, and the Adj-SIDs for rt4 and rt5
+#
+def test_rib_ipv4_step5():
+    logger.info("Test (step 5): verify IPv4 RIB")
+    tgen = get_topogen()
+
+    # Skip if previous fatal error condition is raised
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    logger.info("Disabling SR on rt6")
+    tgen.net["rt6"].cmd('vtysh -c "conf t" -c "router ospf" -c "no segment-routing on"')
+
+    for rname in ["rt1", "rt2", "rt3", "rt4", "rt5", "rt6"]:
+        router_compare_json_output(
+            rname, "show ip route ospf json", "step5/show_ip_route.ref"
+        )
+
+
+def test_mpls_lib_step5():
+    logger.info("Test (step 5): verify MPLS LIB")
+    tgen = get_topogen()
+
+    # Skip if previous fatal error condition is raised
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    for rname in ["rt1", "rt2", "rt3", "rt4", "rt5", "rt6"]:
+        router_compare_json_output(
+            rname, "show mpls table json", "step5/show_mpls_table.ref"
+        )
+
+
+#
+# Step 6
+#
+# Action(s):
+# -Enable SR on rt6
+#
+# Expected changes:
+# -All routers should install rt6's Prefix-SIDs
+# -rt4 should install rt5's Prefix-SIDs through rt6
+# -rt5 should install rt4's Prefix-SIDs through rt6
+# -rt6 should install all Prefix-SIDs from the network, and Adj-SIDs for rt4 and rt5
+#
+def test_rib_ipv4_step6():
+    logger.info("Test (step 6): verify IPv4 RIB")
+    tgen = get_topogen()
+
+    # Skip if previous fatal error condition is raised
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    logger.info("Enabling SR on rt6")
+    tgen.net["rt6"].cmd('vtysh -c "conf t" -c "router ospf" -c "segment-routing on"')
+
+    # FIXME: This is currently necessary because the CLI is not yet yang based.
+    logger.info("Re-do rt6's SR prefix-sid config")
+    tgen.net["rt6"].cmd(
+        'vtysh -c "conf t" -c "router ospf" -c "segment-routing prefix 6.6.6.6/32 index 60 explicit-null"'
+    )
+
+    for rname in ["rt1", "rt2", "rt3", "rt4", "rt5", "rt6"]:
+        router_compare_json_output(
+            rname, "show ip route ospf json", "step6/show_ip_route.ref"
+        )
+
+
+def test_mpls_lib_step6():
+    logger.info("Test (step 6): verify MPLS LIB")
+    tgen = get_topogen()
+
+    # Skip if previous fatal error condition is raised
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    for rname in ["rt1", "rt2", "rt3", "rt4", "rt5", "rt6"]:
+        router_compare_json_output(
+            rname, "show mpls table json", "step6/show_mpls_table.ref"
+        )
+
+
+#
+# Step 7
+#
+# Action(s):
+# -Delete rt1's Prefix-SIDs
+#
+# Expected changes:
+# -All routers should uninstall rt1's Prefix-SIDs
+#
+def test_rib_ipv4_step7():
+    logger.info("Test (step 7): verify IPv4 RIB")
+    tgen = get_topogen()
+
+    # Skip if previous fatal error condition is raised
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    logger.info("Deleting rt1's Prefix-SIDs")
+    tgen.net["rt1"].cmd(
+        'vtysh -c "conf t" -c "router ospf" -c "no segment-routing prefix 1.1.1.1/32 index 10"'
+    )
+
+    for rname in ["rt1", "rt2", "rt3", "rt4", "rt5", "rt6"]:
+        router_compare_json_output(
+            rname, "show ip route ospf json", "step7/show_ip_route.ref"
+        )
+
+
+def test_mpls_lib_step7():
+    logger.info("Test (step 7): verify MPLS LIB")
+    tgen = get_topogen()
+
+    # Skip if previous fatal error condition is raised
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    for rname in ["rt1", "rt2", "rt3", "rt4", "rt5", "rt6"]:
+        router_compare_json_output(
+            rname, "show mpls table json", "step7/show_mpls_table.ref"
+        )
+
+
+#
+# Step 8
+#
+# Action(s):
+# -Re-add rt1's Prefix-SIDs
+#
+# Expected changes:
+# -All routers should install rt1's Prefix-SIDs
+#
+def test_rib_ipv4_step8():
+    logger.info("Test (step 8): verify IPv4 RIB")
+    tgen = get_topogen()
+
+    # Skip if previous fatal error condition is raised
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    logger.info("Re-adding rt1's Prefix-SIDs")
+    tgen.net["rt1"].cmd(
+        'vtysh -c "conf t" -c "router ospf" -c "segment-routing prefix 1.1.1.1/32 index 10"'
+    )
+
+    for rname in ["rt1", "rt2", "rt3", "rt4", "rt5", "rt6"]:
+        router_compare_json_output(
+            rname, "show ip route ospf json", "step8/show_ip_route.ref"
+        )
+
+
+def test_mpls_lib_step8():
+    logger.info("Test (step 8): verify MPLS LIB")
+    tgen = get_topogen()
+
+    # Skip if previous fatal error condition is raised
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    for rname in ["rt1", "rt2", "rt3", "rt4", "rt5", "rt6"]:
+        router_compare_json_output(
+            rname, "show mpls table json", "step8/show_mpls_table.ref"
+        )
+
+
+#
+# Step 9
+#
+# Action(s):
+# -Change rt1's Prefix-SIDs to use the no-php option
+# -Change rt6's Prefix-SIDs to stop using the explicit-null option
+#
+# Expected changes:
+# -rt2 and rt3 should reinstall rt1's Prefix-SIDs accordingly
+# -rt4 and rt5 should reinstall rt6's Prefix-SIDs accordingly
+#
+def test_rib_ipv4_step9():
+    logger.info("Test (step 9): verify IPv4 RIB")
+    tgen = get_topogen()
+
+    # Skip if previous fatal error condition is raised
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    logger.info("Changing rt1's Prefix-SIDs to use the no-php option")
+    tgen.net["rt1"].cmd(
+        'vtysh -c "conf t" -c "router ospf" -c "segment-routing prefix 1.1.1.1/32 index 10 no-php-flag"'
+    )
+
+    logger.info("Change rt6's Prefix-SIDs to stop using the explicit-null option")
+    tgen.net["rt6"].cmd(
+        'vtysh -c "conf t" -c "router ospf" -c "segment-routing prefix 6.6.6.6/32 index 60"'
+    )
+
+    for rname in ["rt1", "rt2", "rt3", "rt4", "rt5", "rt6"]:
+        router_compare_json_output(
+            rname, "show ip route ospf json", "step9/show_ip_route.ref"
+        )
+
+
+def test_mpls_lib_step9():
+    logger.info("Test (step 9): verify MPLS LIB")
+    tgen = get_topogen()
+
+    # Skip if previous fatal error condition is raised
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    for rname in ["rt1", "rt2", "rt3", "rt4", "rt5", "rt6"]:
+        router_compare_json_output(
+            rname, "show mpls table json", "step9/show_mpls_table.ref"
+        )
+
+
+#
+# Step 10
+#
+# Action(s):
+# -Remove the IPv4 address from rt4's eth-rt2-1 interface
+#
+# Expected changes:
+# -rt2 should uninstall the IPv4 Adj-SIDs attached to the eth-rt4-1 interface
+# -rt2 should reinstall all IPv4 Prefix-SIDs whose nexthop router is rt4 (ECMP shouldn't be used anymore)
+# -rt4 should reinstall all IPv4 Prefix-SIDs whose nexthop router is rt2 (ECMP shouldn't be used anymore)
+#
+def test_rib_ipv4_step10():
+    logger.info("Test (step 10): verify IPv4 RIB")
+    tgen = get_topogen()
+
+    # Skip if previous fatal error condition is raised
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    logger.info("Removing the IPv4 address from rt4's eth-rt2-1 interface")
+    tgen.net["rt4"].cmd(
+        'vtysh -c "conf t" -c "interface eth-rt2-1" -c "no ip address 10.0.2.4/24"'
+    )
+
+    for rname in ["rt1", "rt2", "rt3", "rt4", "rt5", "rt6"]:
+        router_compare_json_output(
+            rname, "show ip route ospf json", "step10/show_ip_route.ref"
+        )
+
+
+def test_mpls_lib_step10():
+    logger.info("Test (step 10): verify MPLS LIB")
+    tgen = get_topogen()
+
+    # Skip if previous fatal error condition is raised
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    for rname in ["rt1", "rt2", "rt3", "rt4", "rt5", "rt6"]:
+        router_compare_json_output(
+            rname, "show mpls table json", "step10/show_mpls_table.ref"
+        )
+
+
+# FIXME: These tests don't work yet, this should be fixed with the
+# switchover to a yang based CLI.
+#
+# Step 11
+#
+# Action(s):
+# -Enter invalid SR configuration
+#
+# Expected changes:
+# -All commands should be rejected
+#
+# def test_ospf_invalid_config_step11():
+#    logger.info("Test (step 11): check if invalid configuration is rejected")
+#    tgen = get_topogen()
+#
+#    # Skip if previous fatal error condition is raised
+#    if tgen.routers_have_failure():
+#        pytest.skip(tgen.errors)
+#
+#    logger.info("Entering invalid Segment Routing configuration...")
+#    ret = tgen.net["rt1"].cmd(
+#        'vtysh -c "conf t" -c "router ospf" -c "segment-routing prefix 1.1.1.1/32 index 10000"'
+#    )
+#    assert (
+#        re.search("Configuration failed", ret) is not None
+#    ), "Invalid SR configuration wasn't rejected"
+#    ret = tgen.net["rt1"].cmd(
+#        'vtysh -c "conf t" -c "router ospf" -c "segment-routing global-block 16000 14999"'
+#    )
+#    assert (
+#        re.search("Configuration failed", ret) is not None
+#    ), "Invalid SR configuration wasn't rejected"
+#    ret = tgen.net["rt1"].cmd(
+#        'vtysh -c "conf t" -c "router ospf" -c "segment-routing global-block 16000 16001"'
+#    )
+#    assert (
+#        re.search("Configuration failed", ret) is not None
+#    ), "Invalid SR configuration wasn't rejected"
+
+
+# Memory leak test template
+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))