diff --git a/tests/topotests/ospf_basic_functionality/ospf_chaos.json b/tests/topotests/ospf_basic_functionality/ospf_chaos.json new file mode 100644 index 0000000000..ed199f181b --- /dev/null +++ b/tests/topotests/ospf_basic_functionality/ospf_chaos.json @@ -0,0 +1,166 @@ +{ + + "ipv4base": "10.0.0.0", + "ipv4mask": 24, + "link_ip_start": { + "ipv4": "10.0.0.0", + "v4mask": 24 + }, + "lo_prefix": { + "ipv4": "1.0.", + "v4mask": 32 + }, + "routers": { + "r0": { + "links": { + "r1": { + "ipv4": "auto", + "ospf": { + "area": "0.0.0.0", + "hello_interval": 1, + "dead_interval": 4 + } + }, + "r2": { + "ipv4": "auto", + "ospf": { + "area": "0.0.0.0", + "hello_interval": 1, + "dead_interval": 4 + } + }, + "r3": { + "ipv4": "auto", + "ospf": { + "area": "0.0.0.0", + "hello_interval": 1, + "dead_interval": 4 + } + } + }, + "ospf": { + "router_id": "100.1.1.0", + "neighbors": { + "r1": {}, + "r2": {}, + "r3": {} + }, + "redistribute": [{ + "redist_type": "static" + }, + { + "redist_type": "connected" + } + ] + } + }, + "r1": { + "links": { + "r0": { + "ipv4": "auto", + "ospf": { + "area": "0.0.0.0", + "hello_interval": 1, + "dead_interval": 4 + } + }, + "r2": { + "ipv4": "auto", + "ospf": { + "area": "0.0.0.0", + "hello_interval": 1, + "dead_interval": 4 + } + }, + "r3": { + "ipv4": "auto", + "ospf": { + "area": "0.0.0.0", + "hello_interval": 1, + "dead_interval": 4 + } + } + }, + "ospf": { + "router_id": "100.1.1.1", + "neighbors": { + "r0": {}, + "r2": {}, + "r3": {} + } + } + }, + "r2": { + "links": { + "r0": { + "ipv4": "auto", + "ospf": { + "area": "0.0.0.0", + "hello_interval": 1, + "dead_interval": 4 + } + }, + "r1": { + "ipv4": "auto", + "ospf": { + "area": "0.0.0.0", + "hello_interval": 1, + "dead_interval": 4 + } + }, + "r3": { + "ipv4": "auto", + "ospf": { + "area": "0.0.0.0", + "hello_interval": 1, + "dead_interval": 4 + } + } + }, + "ospf": { + "router_id": "100.1.1.2", + "neighbors": { + "r1": {}, + "r0": {}, + "r3": {} + } + } + }, + "r3": { + "links": { + "r0": { + "ipv4": "auto", + "ospf": { + "area": "0.0.0.0", + "hello_interval": 1, + "dead_interval": 4 + } + }, + "r1": { + "ipv4": "auto", + "ospf": { + "area": "0.0.0.0", + "hello_interval": 1, + "dead_interval": 4 + } + }, + "r2": { + "ipv4": "auto", + "ospf": { + "area": "0.0.0.0", + "hello_interval": 1, + "dead_interval": 4 + } + } + }, + "ospf": { + "router_id": "100.1.1.3", + "neighbors": { + "r0": {}, + "r1": {}, + "r2": {} + } + } + } + } +} diff --git a/tests/topotests/ospf_basic_functionality/test_ospf_chaos.py b/tests/topotests/ospf_basic_functionality/test_ospf_chaos.py new file mode 100644 index 0000000000..37b7528490 --- /dev/null +++ b/tests/topotests/ospf_basic_functionality/test_ospf_chaos.py @@ -0,0 +1,576 @@ +#!/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))