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diff --git a/tests/topotests/isis_tilfa_topo1/test_isis_tilfa_topo1.py b/tests/topotests/isis_tilfa_topo1/test_isis_tilfa_topo1.py
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+#!/usr/bin/env python
+
+#
+# test_isis_tilfa_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_isis_tilfa_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
+import tempfile
+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.isisd]
+
+# Global multi-dimensional dictionary containing all expected outputs
+outputs = {}
+
+
+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")
+
+ #
+ # Populate multi-dimensional dictionary containing all expected outputs
+ #
+ files = [
+ "show_ip_route.ref",
+ "show_ipv6_route.ref",
+ "show_mpls_table.ref",
+ "show_yang_interface_isis_adjacencies.ref",
+ ]
+ for rname in ["rt1", "rt2", "rt3", "rt4", "rt5", "rt6"]:
+ outputs[rname] = {}
+ for step in range(1, 9 + 1):
+ outputs[rname][step] = {}
+ for file in files:
+ if step == 1:
+ # Get snapshots relative to the expected initial network convergence
+ filename = "{}/{}/step{}/{}".format(CWD, rname, step, file)
+ outputs[rname][step][file] = open(filename).read()
+ else:
+ if file == "show_yang_interface_isis_adjacencies.ref":
+ continue
+
+ # Get diff relative to the previous step
+ filename = "{}/{}/step{}/{}.diff".format(CWD, rname, step, file)
+
+ # Create temporary files in order to apply the diff
+ f_in = tempfile.NamedTemporaryFile(mode="w")
+ f_in.write(outputs[rname][step - 1][file])
+ f_in.flush()
+ f_out = tempfile.NamedTemporaryFile(mode="r")
+ os.system(
+ "patch -s -o %s %s %s" % (f_out.name, f_in.name, filename)
+ )
+
+ # Store the updated snapshot and remove the temporary files
+ outputs[rname][step][file] = open(f_out.name).read()
+ f_in.close()
+ f_out.close()
+
+
+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_ISIS, os.path.join(CWD, "{}/isisd.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 router_compare_json_output(rname, command, reference):
+ "Compare router JSON output"
+
+ logger.info('Comparing router "%s" "%s" output', rname, command)
+
+ tgen = get_topogen()
+ expected = json.loads(reference)
+
+ # 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_isis_adjacencies_step1():
+ logger.info("Test (step 1): check IS-IS adjacencies")
+ 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 yang operational-data /frr-interface:lib isisd",
+ outputs[rname][1]["show_yang_interface_isis_adjacencies.ref"],
+ )
+
+
+def test_rib_ipv4_step1():
+ logger.info("Test (step 1): verify IPv4 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 isis json", outputs[rname][1]["show_ip_route.ref"]
+ )
+
+
+def test_rib_ipv6_step1():
+ logger.info("Test (step 1): verify IPv6 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 ipv6 route isis json", outputs[rname][1]["show_ipv6_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", outputs[rname][1]["show_mpls_table.ref"]
+ )
+
+
+#
+# Step 2
+#
+# Action(s):
+# -Disable TI-LFA link protection on rt2's eth-sw1 interface
+#
+# Expected changes:
+# -rt2 should uninstall the backup nexthops from destinations reachable over eth-sw1.
+#
+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 TI-LFA link protection on rt2's eth-sw1 interface")
+ tgen.net["rt2"].cmd(
+ 'vtysh -c "conf t" -c "interface eth-sw1" -c "no isis fast-reroute ti-lfa"'
+ )
+
+ for rname in ["rt1", "rt2", "rt3", "rt4", "rt5", "rt6"]:
+ router_compare_json_output(
+ rname, "show ip route isis json", outputs[rname][2]["show_ip_route.ref"]
+ )
+
+
+def test_rib_ipv6_step2():
+ logger.info("Test (step 2): verify IPv6 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 ipv6 route isis json", outputs[rname][2]["show_ipv6_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", outputs[rname][2]["show_mpls_table.ref"]
+ )
+
+
+#
+# Step 3
+#
+# Action(s):
+# -Enable TI-LFA link protection on rt2's eth-sw1 interface
+#
+# Expected changes:
+# -rt2 should install backup nexthops for destinations reachable over eth-sw1.
+#
+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("Enabling TI-LFA link protection on rt2's eth-sw1 interface")
+ tgen.net["rt2"].cmd(
+ 'vtysh -c "conf t" -c "interface eth-sw1" -c "isis fast-reroute ti-lfa"'
+ )
+
+ for rname in ["rt1", "rt2", "rt3", "rt4", "rt5", "rt6"]:
+ router_compare_json_output(
+ rname, "show ip route isis json", outputs[rname][3]["show_ip_route.ref"]
+ )
+
+
+def test_rib_ipv6_step3():
+ logger.info("Test (step 3): verify IPv6 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 ipv6 route isis json", outputs[rname][3]["show_ipv6_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", outputs[rname][3]["show_mpls_table.ref"]
+ )
+
+
+#
+# Step 4
+#
+# Action(s):
+# -Disable SR on rt4
+#
+# Expected changes:
+# -rt4 should uninstall all Prefix-SIDs from the network
+# -rt4 should uninstall all TI-LFA backup nexthops
+# -All routers should uninstall rt4's Prefix-SIDs
+# -All routers should uninstall all SR labels for destinations whose nexthop is rt4
+# -All routers should uninstall all TI-LFA backup nexthops that point to rt4
+# -All routers should uninstall all TI-LFA backup nexthops that use rt4's Prefix-SIDs
+#
+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("Disabling SR on rt4")
+ tgen.net["rt4"].cmd(
+ 'vtysh -c "conf t" -c "router isis 1" -c "no segment-routing on"'
+ )
+
+ for rname in ["rt1", "rt2", "rt3", "rt4", "rt5", "rt6"]:
+ router_compare_json_output(
+ rname, "show ip route isis json", outputs[rname][4]["show_ip_route.ref"]
+ )
+
+
+def test_rib_ipv6_step4():
+ logger.info("Test (step 4): verify IPv6 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 ipv6 route isis json", outputs[rname][4]["show_ipv6_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", outputs[rname][4]["show_mpls_table.ref"]
+ )
+
+
+#
+# Step 5
+#
+# Action(s):
+# -Enable SR on rt4
+#
+# Expected changes:
+# -Reverse all changes done on the previous step
+#
+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("Enabling SR on rt4")
+ tgen.net["rt4"].cmd('vtysh -c "conf t" -c "router isis 1" -c "segment-routing on"')
+
+ for rname in ["rt1", "rt2", "rt3", "rt4", "rt5", "rt6"]:
+ router_compare_json_output(
+ rname, "show ip route isis json", outputs[rname][5]["show_ip_route.ref"]
+ )
+
+
+def test_rib_ipv6_step5():
+ logger.info("Test (step 5): verify IPv6 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 ipv6 route isis json", outputs[rname][5]["show_ipv6_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", outputs[rname][5]["show_mpls_table.ref"]
+ )
+
+
+#
+# Step 6
+#
+# Action(s):
+# -Change rt5's SRGB
+#
+# Expected changes:
+# -All routers should update all SR labels for destinations whose primary or backup nexthop is 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("Changing rt5's SRGB")
+ tgen.net["rt5"].cmd(
+ 'vtysh -c "conf t" -c "router isis 1" -c "segment-routing global-block 30000 37999"'
+ )
+
+ for rname in ["rt1", "rt2", "rt3", "rt4", "rt5", "rt6"]:
+ router_compare_json_output(
+ rname, "show ip route isis json", outputs[rname][6]["show_ip_route.ref"]
+ )
+
+
+def test_rib_ipv6_step6():
+ logger.info("Test (step 6): verify IPv6 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 ipv6 route isis json", outputs[rname][6]["show_ipv6_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", outputs[rname][6]["show_mpls_table.ref"]
+ )
+
+
+#
+# Step 7
+#
+# Action(s):
+# -Delete rt5's Prefix-SIDs
+#
+# Expected changes:
+# -All routers should uninstall rt5's Prefix-SIDs
+# -All routers should uninstall all TI-LFA backup nexthops that use rt5'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 rt5's Prefix-SIDs")
+ tgen.net["rt5"].cmd(
+ 'vtysh -c "conf t" -c "router isis 1" -c "no segment-routing prefix 5.5.5.5/32 index 50"'
+ )
+ tgen.net["rt5"].cmd(
+ 'vtysh -c "conf t" -c "router isis 1" -c "no segment-routing prefix 2001:db8:1000::5/128 index 51"'
+ )
+
+ for rname in ["rt1", "rt2", "rt3", "rt4", "rt5", "rt6"]:
+ router_compare_json_output(
+ rname, "show ip route isis json", outputs[rname][7]["show_ip_route.ref"]
+ )
+
+
+def test_rib_ipv6_step7():
+ logger.info("Test (step 7): verify IPv6 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 ipv6 route isis json", outputs[rname][7]["show_ipv6_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", outputs[rname][7]["show_mpls_table.ref"]
+ )
+
+
+#
+# Step 8
+#
+# Action(s):
+# -Re-add rt5's Prefix-SIDs
+#
+# Expected changes:
+# -Reverse all changes done on the previous step
+#
+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 rt5's Prefix-SIDs")
+ tgen.net["rt5"].cmd(
+ 'vtysh -c "conf t" -c "router isis 1" -c "segment-routing prefix 5.5.5.5/32 index 50"'
+ )
+ tgen.net["rt5"].cmd(
+ 'vtysh -c "conf t" -c "router isis 1" -c "segment-routing prefix 2001:db8:1000::5/128 index 51"'
+ )
+
+ for rname in ["rt1", "rt2", "rt3", "rt4", "rt5", "rt6"]:
+ router_compare_json_output(
+ rname, "show ip route isis json", outputs[rname][8]["show_ip_route.ref"]
+ )
+
+
+def test_rib_ipv6_step8():
+ logger.info("Test (step 8): verify IPv6 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 ipv6 route isis json", outputs[rname][8]["show_ipv6_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", outputs[rname][8]["show_mpls_table.ref"]
+ )
+
+
+#
+# Step 9
+#
+# Action(s):
+# -Change rt5's Prefix-SIDs
+#
+# Expected changes:
+# -All routers should update rt5's Prefix-SIDs
+# -All routers should update all TI-LFA backup nexthops that use rt5's Prefix-SIDs
+#
+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("Re-adding rt5's Prefix-SIDs")
+ tgen.net["rt5"].cmd(
+ 'vtysh -c "conf t" -c "router isis 1" -c "segment-routing prefix 5.5.5.5/32 index 500"'
+ )
+ tgen.net["rt5"].cmd(
+ 'vtysh -c "conf t" -c "router isis 1" -c "segment-routing prefix 2001:db8:1000::5/128 index 501"'
+ )
+
+ for rname in ["rt1", "rt2", "rt3", "rt4", "rt5", "rt6"]:
+ router_compare_json_output(
+ rname, "show ip route isis json", outputs[rname][9]["show_ip_route.ref"]
+ )
+
+
+def test_rib_ipv6_step9():
+ logger.info("Test (step 9): verify IPv6 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 ipv6 route isis json", outputs[rname][9]["show_ipv6_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", outputs[rname][9]["show_mpls_table.ref"]
+ )
+
+
+# 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))