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diff --git a/tests/topotests/ospf_basic_functionality/test_ospf_chaos.py b/tests/topotests/ospf_basic_functionality/test_ospf_chaos.py
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+++ b/tests/topotests/ospf_basic_functionality/test_ospf_chaos.py
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+#!/usr/bin/python
+
+#
+# Copyright (c) 2020 by VMware, Inc. ("VMware")
+# Used Copyright (c) 2018 by Network Device Education Foundation, Inc.
+# ("NetDEF") in this file.
+#
+# 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 VMWARE DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL VMWARE 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.
+#
+
+
+"""OSPF Basic Functionality Automation."""
+import os
+import sys
+import time
+import pytest
+from copy import deepcopy
+import json
+
+# Save the Current Working Directory to find configuration files.
+CWD = os.path.dirname(os.path.realpath(__file__))
+sys.path.append(os.path.join(CWD, "../"))
+sys.path.append(os.path.join(CWD, "../lib/"))
+
+# pylint: disable=C0413
+# Import topogen and topotest helpers
+from mininet.topo import Topo
+from lib.topogen import Topogen, get_topogen
+
+# Import topoJson from lib, to create topology and initial configuration
+from lib.common_config import (
+ start_topology,
+ write_test_header,
+ write_test_footer,
+ reset_config_on_routers,
+ step,
+ shutdown_bringup_interface,
+ topo_daemons,
+ verify_rib,
+ stop_router, start_router,
+ create_static_routes,
+ start_router_daemons,
+ kill_router_daemons
+)
+
+from lib.ospf import (
+ verify_ospf_neighbor, verify_ospf_rib,
+ create_router_ospf)
+
+from lib.topolog import logger
+from lib.topojson import build_topo_from_json, build_config_from_json
+from ipaddress import IPv4Address
+
+
+
+# Global variables
+topo = None
+
+NETWORK = {
+ "ipv4": ["11.0.20.1/32", "11.0.20.2/32", "11.0.20.3/32", "11.0.20.4/32",
+ "11.0.20.5/32"]
+}
+"""
+Topology:
+ Please view in a fixed-width font such as Courier.
+ +---+ A1 +---+
+ +R1 +------------+R2 |
+ +-+-+- +--++
+ | -- -- |
+ | -- A0 -- |
+ A0| ---- |
+ | ---- | A2
+ | -- -- |
+ | -- -- |
+ +-+-+- +-+-+
+ +R0 +-------------+R3 |
+ +---+ A3 +---+
+
+TESTCASES =
+1. Verify ospf functionality after restart ospfd.
+2. Verify ospf functionality after restart FRR service.
+3. Verify ospf functionality when staticd is restarted.
+ """
+
+# Reading the data from JSON File for topology creation
+jsonFile = "{}/ospf_chaos.json".format(CWD)
+try:
+ with open(jsonFile, "r") as topoJson:
+ topo = json.load(topoJson)
+except IOError:
+ assert False, "Could not read file {}".format(jsonFile)
+
+class CreateTopo(Topo):
+ """
+ Test topology builder.
+
+ * `Topo`: Topology object
+ """
+
+ def build(self, *_args, **_opts):
+ """Build function."""
+ tgen = get_topogen(self)
+
+ # Building topology from json file
+ build_topo_from_json(tgen, topo)
+
+
+def setup_module(mod):
+ """
+ Sets up the pytest environment
+
+ * `mod`: module name
+ """
+ global topo
+ testsuite_run_time = time.asctime(time.localtime(time.time()))
+ logger.info("Testsuite start time: {}".format(testsuite_run_time))
+ logger.info("=" * 40)
+
+ logger.info("Running setup_module to create topology")
+
+ # This function initiates the topology build with Topogen...
+ tgen = Topogen(CreateTopo, mod.__name__)
+ # ... and here it calls Mininet initialization functions.
+
+ # get list of daemons needs to be started for this suite.
+ daemons = topo_daemons(tgen, topo)
+
+ # Starting topology, create tmp files which are loaded to routers
+ # to start deamons and then start routers
+ start_topology(tgen, daemons)
+
+ # Creating configuration from JSON
+ build_config_from_json(tgen, topo)
+
+ # Don't run this test if we have any failure.
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ ospf_covergence = verify_ospf_neighbor(tgen, topo)
+ assert ospf_covergence is True, "setup_module :Failed \n Error:" " {}".format(
+ ospf_covergence
+ )
+
+ logger.info("Running setup_module() done")
+
+
+def teardown_module(mod):
+ """
+ Teardown the pytest environment.
+
+ * `mod`: module name
+ """
+
+ logger.info("Running teardown_module to delete topology")
+
+ tgen = get_topogen()
+
+ # Stop toplogy and Remove tmp files
+ tgen.stop_topology()
+
+ logger.info(
+ "Testsuite end time: {}".format(time.asctime(time.localtime(time.time())))
+ )
+ logger.info("=" * 40)
+
+
+# ##################################
+# Test cases start here.
+# ##################################
+def test_ospf_chaos_tc31_p1(request):
+ """Verify ospf functionality after restart ospfd."""
+ tc_name = request.node.name
+ write_test_header(tc_name)
+ tgen = get_topogen()
+ global topo
+ step("Bring up the base config as per the topology")
+ reset_config_on_routers(tgen)
+
+ step(
+ "Create static routes(10.0.20.1/32) in R1 and redistribute "
+ "to OSPF using route map.")
+
+ # Create Static routes
+ input_dict = {
+ "r0": {
+ "static_routes": [
+ {
+ "network": NETWORK['ipv4'][0],
+ "no_of_ip": 5,
+ "next_hop": 'Null0',
+ }
+ ]
+ }
+ }
+ result = create_static_routes(tgen, input_dict)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result)
+
+ ospf_red_r0 = {
+ "r0": {
+ "ospf": {
+ "redistribute": [{
+ "redist_type": "static"
+ }]
+ }
+ }
+ }
+ result = create_router_ospf(tgen, topo, ospf_red_r0)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result)
+
+ step("Verify OSPF neighbors after base config is done.")
+ # Api call verify whether OSPF is converged
+ ospf_covergence = verify_ospf_neighbor(tgen, topo)
+ assert ospf_covergence is True, ("setup_module :Failed \n Error:"
+ " {}".format(ospf_covergence))
+
+ step("Verify that route is advertised to R1.")
+ dut = 'r1'
+ protocol = 'ospf'
+ nh = topo['routers']['r0']['links']['r1']['ipv4'].split('/')[0]
+ result = verify_ospf_rib(tgen, dut, input_dict, next_hop=nh)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result)
+
+ result = verify_rib(
+ tgen, "ipv4", dut, input_dict, protocol=protocol, next_hop=nh)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result)
+
+ step("Kill OSPFd daemon on R0.")
+ kill_router_daemons(tgen, "r0", ["ospfd"])
+
+ step("Verify OSPF neighbors are down after killing ospfd in R0")
+ dut = 'r0'
+ # Api call verify whether OSPF is converged
+ ospf_covergence = verify_ospf_neighbor(tgen, topo, dut=dut,
+ expected=False)
+ assert ospf_covergence is not True, ("setup_module :Failed \n Error:"
+ " {}".format(ospf_covergence))
+
+ step("Verify that route advertised to R1 are deleted from RIB and FIB.")
+ dut = 'r1'
+ protocol = 'ospf'
+ result = verify_ospf_rib(tgen, dut, input_dict, expected=False)
+ assert result is not True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result)
+
+ result = verify_rib(tgen, "ipv4", dut, input_dict, protocol=protocol,
+ expected=False)
+ assert result is not True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result)
+
+ step("Bring up OSPFd daemon on R0.")
+ start_router_daemons(tgen, "r0", ["ospfd"])
+
+ step("Verify OSPF neighbors are up after bringing back ospfd in R0")
+ # Api call verify whether OSPF is converged
+ ospf_covergence = verify_ospf_neighbor(tgen, topo)
+ assert ospf_covergence is True, ("setup_module :Failed \n Error:"
+ " {}".format(ospf_covergence))
+
+ step(
+ "All the neighbours are up and routes are installed before the"
+ " restart. Verify OSPF route table and ip route table.")
+ dut = 'r1'
+ protocol = 'ospf'
+ result = verify_ospf_rib(tgen, dut, input_dict, next_hop=nh)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result)
+
+ result = verify_rib(tgen, "ipv4", dut, input_dict, protocol=protocol,
+ next_hop=nh)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result)
+
+ step("Kill OSPFd daemon on R1.")
+ kill_router_daemons(tgen, "r1", ["ospfd"])
+
+ step("Verify OSPF neighbors are down after killing ospfd in R1")
+ dut = 'r1'
+ # Api call verify whether OSPF is converged
+ ospf_covergence = verify_ospf_neighbor(tgen, topo, dut=dut,
+ expected=False)
+ assert ospf_covergence is not True, ("setup_module :Failed \n Error:"
+ " {}".format(ospf_covergence))
+
+ step("Bring up OSPFd daemon on R1.")
+ start_router_daemons(tgen, "r1", ["ospfd"])
+
+ step("Verify OSPF neighbors are up after bringing back ospfd in R1")
+ # Api call verify whether OSPF is converged
+ ospf_covergence = verify_ospf_neighbor(tgen, topo)
+ assert ospf_covergence is True, ("setup_module :Failed \n Error:"
+ " {}".format(ospf_covergence))
+
+ step(
+ "All the neighbours are up and routes are installed before the"
+ " restart. Verify OSPF route table and ip route table.")
+
+ dut = 'r1'
+ protocol = 'ospf'
+ result = verify_ospf_rib(tgen, dut, input_dict, next_hop=nh)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result)
+
+ result = verify_rib(tgen, "ipv4", dut, input_dict, protocol=protocol,
+ next_hop=nh)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result)
+
+ write_test_footer(tc_name)
+
+
+def test_ospf_chaos_tc32_p1(request):
+ """Verify ospf functionality after restart FRR service. """
+ tc_name = request.node.name
+ write_test_header(tc_name)
+ tgen = get_topogen()
+ global topo
+ step("Bring up the base config as per the topology")
+ reset_config_on_routers(tgen)
+
+ step(
+ "Create static routes(10.0.20.1/32) in R1 and redistribute "
+ "to OSPF using route map.")
+
+ # Create Static routes
+ input_dict = {
+ "r0": {
+ "static_routes": [
+ {
+ "network": NETWORK['ipv4'][0],
+ "no_of_ip": 5,
+ "next_hop": 'Null0',
+ }
+ ]
+ }
+ }
+ result = create_static_routes(tgen, input_dict)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result)
+
+ ospf_red_r0 = {
+ "r0": {
+ "ospf": {
+ "redistribute": [{
+ "redist_type": "static"
+ }]
+ }
+ }
+ }
+ result = create_router_ospf(tgen, topo, ospf_red_r0)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result)
+
+ step("Verify OSPF neighbors after base config is done.")
+ # Api call verify whether OSPF is converged
+ ospf_covergence = verify_ospf_neighbor(tgen, topo)
+ assert ospf_covergence is True, ("setup_module :Failed \n Error:"
+ " {}".format(ospf_covergence))
+
+ step("Verify that route is advertised to R1.")
+ dut = 'r1'
+ protocol = 'ospf'
+
+ nh = topo['routers']['r0']['links']['r1']['ipv4'].split('/')[0]
+ result = verify_ospf_rib(tgen, dut, input_dict, next_hop=nh)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result)
+
+ result = verify_rib(tgen, "ipv4", dut, input_dict, protocol=protocol,
+ next_hop=nh)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result)
+
+ step("Restart frr on R0")
+ stop_router(tgen, 'r0')
+ start_router(tgen, 'r0')
+
+ step("Verify OSPF neighbors are up after restarting R0")
+ # Api call verify whether OSPF is converged
+ ospf_covergence = verify_ospf_neighbor(tgen, topo)
+ assert ospf_covergence is True, ("setup_module :Failed \n Error:"
+ " {}".format(ospf_covergence))
+
+ step(
+ "All the neighbours are up and routes are installed before the"
+ " restart. Verify OSPF route table and ip route table.")
+ dut = 'r1'
+ protocol = 'ospf'
+ result = verify_ospf_rib(tgen, dut, input_dict, next_hop=nh)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result)
+
+ result = verify_rib(tgen, "ipv4", dut, input_dict, protocol=protocol,
+ next_hop=nh)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result)
+
+ step("Restart frr on R1")
+ stop_router(tgen, 'r1')
+ start_router(tgen, 'r1')
+
+ step("Verify OSPF neighbors are up after restarting R1")
+ # Api call verify whether OSPF is converged
+ ospf_covergence = verify_ospf_neighbor(tgen, topo)
+ assert ospf_covergence is True, ("setup_module :Failed \n Error:"
+ " {}".format(ospf_covergence))
+
+ step(
+ "All the neighbours are up and routes are installed before the"
+ " restart. Verify OSPF route table and ip route table.")
+ dut = 'r1'
+ protocol = 'ospf'
+ result = verify_ospf_rib(tgen, dut, input_dict, next_hop=nh)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result)
+
+ result = verify_rib(tgen, "ipv4", dut, input_dict, protocol=protocol,
+ next_hop=nh)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result)
+
+ write_test_footer(tc_name)
+
+
+def test_ospf_chaos_tc34_p1(request):
+ """
+ verify ospf functionality when staticd is restarted.
+
+ Verify ospf functionalitywhen staticroutes are
+ redistributed & Staticd is restarted.
+ """
+ tc_name = request.node.name
+ write_test_header(tc_name)
+ tgen = get_topogen()
+ global topo
+ step("Bring up the base config as per the topology")
+ reset_config_on_routers(tgen)
+
+ step(
+ "Create static routes(10.0.20.1/32) in R1 and redistribute "
+ "to OSPF using route map.")
+
+ # Create Static routes
+ input_dict = {
+ "r0": {
+ "static_routes": [
+ {
+ "network": NETWORK['ipv4'][0],
+ "no_of_ip": 5,
+ "next_hop": 'Null0',
+ }
+ ]
+ }
+ }
+ result = create_static_routes(tgen, input_dict)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result)
+
+ ospf_red_r0 = {
+ "r0": {
+ "ospf": {
+ "redistribute": [{
+ "redist_type": "static"
+ }]
+ }
+ }
+ }
+ result = create_router_ospf(tgen, topo, ospf_red_r0)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result)
+
+ step("Verify OSPF neighbors after base config is done.")
+ # Api call verify whether OSPF is converged
+ ospf_covergence = verify_ospf_neighbor(tgen, topo)
+ assert ospf_covergence is True, ("setup_module :Failed \n Error:"
+ " {}".format(ospf_covergence))
+
+ step("Verify that route is advertised to R1.")
+ dut = 'r1'
+ protocol = 'ospf'
+ nh = topo['routers']['r0']['links']['r1']['ipv4'].split('/')[0]
+ result = verify_ospf_rib(tgen, dut, input_dict, next_hop=nh)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result)
+
+ result = verify_rib(tgen, "ipv4", dut, input_dict, protocol=protocol,
+ next_hop=nh)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result)
+
+ step("Kill staticd daemon on R0.")
+ kill_router_daemons(tgen, "r0", ["staticd"])
+
+ step("Verify that route advertised to R1 are deleted from RIB and FIB.")
+ dut = 'r1'
+ protocol = 'ospf'
+ result = verify_ospf_rib(tgen, dut, input_dict, expected=False)
+ assert result is not True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result)
+
+ result = verify_rib(tgen, "ipv4", dut, input_dict, protocol=protocol,
+ expected=False)
+ assert result is not True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result)
+
+ step("Bring up staticd daemon on R0.")
+ start_router_daemons(tgen, "r0", ["staticd"])
+
+ step("Verify OSPF neighbors are up after bringing back ospfd in R0")
+ # Api call verify whether OSPF is converged
+ ospf_covergence = verify_ospf_neighbor(tgen, topo)
+ assert ospf_covergence is True, ("setup_module :Failed \n Error:"
+ " {}".format(ospf_covergence))
+
+ step(
+ "All the neighbours are up and routes are installed before the"
+ " restart. Verify OSPF route table and ip route table.")
+ dut = 'r1'
+ protocol = 'ospf'
+ result = verify_ospf_rib(tgen, dut, input_dict, next_hop=nh)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result)
+
+ result = verify_rib(tgen, "ipv4", dut, input_dict, protocol=protocol,
+ next_hop=nh)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result)
+
+ step("Kill staticd daemon on R1.")
+ kill_router_daemons(tgen, "r1", ["staticd"])
+
+ step("Bring up staticd daemon on R1.")
+ start_router_daemons(tgen, "r1", ["staticd"])
+
+ step("Verify OSPF neighbors are up after bringing back ospfd in R1")
+ # Api call verify whether OSPF is converged
+ ospf_covergence = verify_ospf_neighbor(tgen, topo)
+ assert ospf_covergence is True, ("setup_module :Failed \n Error:"
+ " {}".format(ospf_covergence))
+
+ step(
+ "All the neighbours are up and routes are installed before the"
+ " restart. Verify OSPF route table and ip route table.")
+
+ dut = 'r1'
+ protocol = 'ospf'
+ result = verify_ospf_rib(tgen, dut, input_dict, next_hop=nh)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result)
+
+ result = verify_rib(tgen, "ipv4", dut, input_dict, protocol=protocol,
+ next_hop=nh)
+ assert result is True, "Testcase {} : Failed \n Error: {}".format(
+ tc_name, result)
+
+ write_test_footer(tc_name)
+
+
+if __name__ == "__main__":
+ args = ["-s"] + sys.argv[1:]
+ sys.exit(pytest.main(args))