1084 lines
32 KiB
Python
1084 lines
32 KiB
Python
#!/usr/bin/python
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#
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# Copyright (c) 2022 by VMware, Inc. ("VMware")
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# Used Copyright (c) 2018 by Network Device Education Foundation, Inc.
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# ("NetDEF") in this file.
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#
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# Permission to use, copy, modify, and/or distribute this software
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# for any purpose with or without fee is hereby granted, provided
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# that the above copyright notice and this permission notice appear
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# in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND VMWARE DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL VMWARE BE LIABLE FOR
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# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
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# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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# OF THIS SOFTWARE.
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#
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"""OSPF Basic Functionality Automation."""
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import os
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import sys
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import time
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import pytest
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from time import sleep
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# Save the Current Working Directory to find configuration files.
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CWD = os.path.dirname(os.path.realpath(__file__))
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sys.path.append(os.path.join(CWD, "../"))
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sys.path.append(os.path.join(CWD, "../lib/"))
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pytestmark = [pytest.mark.ospfd, pytest.mark.staticd]
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# Global variables
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topo = None
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# pylint: disable=C0413
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# Import topogen and topotest helpers
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from lib.topolog import logger
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from lib.topojson import build_config_from_json
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# Import topoJson from lib, to create topology and initial configuration
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from lib.common_config import (
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start_topology,
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write_test_header,
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write_test_footer,
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reset_config_on_routers,
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create_static_routes,
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step,
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topo_daemons,
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check_router_status,
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start_topology,
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write_test_header,
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write_test_footer,
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reset_config_on_routers,
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create_static_routes,
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step,
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shutdown_bringup_interface,
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check_router_status,
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start_topology,
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write_test_header,
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write_test_footer,
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reset_config_on_routers,
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step,
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create_static_routes,
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kill_router_daemons,
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check_router_status,
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start_router_daemons,
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)
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from lib.topolog import logger
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from lib.topogen import Topogen, get_topogen
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from lib.topojson import build_config_from_json
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from lib.ospf import (
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verify_ospf_neighbor,
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clear_ospf,
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create_router_ospf,
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verify_ospf_database,
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get_ospf_database,
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)
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# Global variables
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topo = None
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NETWORK = {
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"ipv4": [
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"11.0.20.1/32",
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"11.0.20.2/32",
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"11.0.20.3/32",
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"11.0.20.4/32",
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"11.0.20.5/32",
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]
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}
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"""
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TOPOOLOGY =
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Please view in a fixed-width font such as Courier.
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+---+ A1 +---+
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+R1 +------------+R2 |
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+-+-+- +--++
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| -- -- |
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| -- A0 -- |
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A0| ---- |
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| ---- | A2
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| -- -- |
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| -- -- |
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+-+-+- +-+-+
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+R0 +-------------+R3 |
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+---+ A3 +---+
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TESTCASES =
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1. Verify OSPF Flood reduction functionality with ospf enabled on process level.
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2. Verify OSPF Flood reduction functionality with ospf enabled on area level.
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3. Verify OSPF Flood reduction functionality between different area's.
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4. Verify OSPF Flood reduction functionality with ospf enabled on process level with default lsa refresh timer.
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5. Chaos - Verify OSPF TTL GTSM and flood reduction functionality in chaos scenarios.
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"""
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def setup_module(mod):
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"""
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Sets up the pytest environment
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* `mod`: module name
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"""
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global topo
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testsuite_run_time = time.asctime(time.localtime(time.time()))
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logger.info("Testsuite start time: {}".format(testsuite_run_time))
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logger.info("=" * 40)
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logger.info("Running setup_module to create topology")
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# This function initiates the topology build with Topogen...
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json_file = "{}/ospf_flood_reduction.json".format(CWD)
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tgen = Topogen(json_file, mod.__name__)
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global topo
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topo = tgen.json_topo
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# ... and here it calls Mininet initialization functions.
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# get list of daemons needs to be started for this suite.
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daemons = topo_daemons(tgen)
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# Starting topology, create tmp files which are loaded to routers
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# to start daemons and then start routers
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start_topology(tgen)
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# Creating configuration from JSON
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build_config_from_json(tgen, topo)
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# Don't run this test if we have any failure.
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if tgen.routers_have_failure():
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pytest.skip(tgen.errors)
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# Api call verify whether OSPF is converged
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ospf_covergence = verify_ospf_neighbor(tgen, topo)
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assert ospf_covergence is True, "setup_module :Failed \n Error:" " {}".format(
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ospf_covergence
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)
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logger.info("Running setup_module() done")
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def teardown_module():
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"""
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Teardown the pytest environment.
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* `mod`: module name
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"""
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logger.info("Running teardown_module to delete topology")
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tgen = get_topogen()
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# Stop toplogy and Remove tmp files
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tgen.stop_topology()
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logger.info(
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"Testsuite end time: {}".format(time.asctime(time.localtime(time.time())))
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)
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logger.info("=" * 40)
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def red_static(dut, config=True):
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"""Local def for Redstribute static routes inside ospf."""
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global topo
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tgen = get_topogen()
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if config:
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ospf_red = {dut: {"ospf": {"redistribute": [{"redist_type": "static"}]}}}
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else:
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ospf_red = {
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dut: {
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"ospf": {
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"redistribute": [{"redist_type": "static", "del_action": True}]
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}
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}
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}
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result = create_router_ospf(tgen, topo, ospf_red)
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assert result is True, "Testcase : Failed \n Error: {}".format(result)
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# ##################################
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# Test cases start here.
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# ##################################
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def test_ospf_flood_red_tc1_p0(request):
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"""Verify OSPF Flood reduction functionality with ospf enabled on process level."""
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tc_name = request.node.name
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write_test_header(tc_name)
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tgen = get_topogen()
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# Don't run this test if we have any failure.
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if tgen.routers_have_failure():
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check_router_status(tgen)
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global topo
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step("Bring up the base config as per the topology")
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reset_config_on_routers(tgen)
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red_static("r0")
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step("Base config should be up, verify using OSPF convergence on all the routers")
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ospf_covergence = verify_ospf_neighbor(tgen, topo)
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assert ospf_covergence is True, "Testcase :Failed \n Error:" " {}".format(
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ospf_covergence
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)
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input_dict = {
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"r0": {
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"static_routes": [
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{
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"network": NETWORK["ipv4"][0],
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"no_of_ip": 5,
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"next_hop": "Null0",
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}
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]
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}
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}
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result = create_static_routes(tgen, input_dict)
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assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
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step("Enable flood reduction in process level on R0")
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ospf_flood = {"r0": {"ospf": {"flood-reduction": True}}}
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result = create_router_ospf(tgen, topo, ospf_flood)
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assert result is True, "Testcase : Failed \n Error: {}".format(result)
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step("Verify that ospf lsa's are set with dc bit 1.")
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dut = "r0"
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input_dict_db = {
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"routerId": "100.1.1.0",
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"areas": {
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"0.0.0.0": {
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"routerLinkStates": [
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{
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"lsaId": "100.1.1.0",
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"options": "*|-|DC|-|-|-|E|-",
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},
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]
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}
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},
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}
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result = verify_ospf_database(
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tgen, topo, dut, input_dict_db, lsatype="router", rid="100.1.1.0"
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)
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assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
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step("Configure the custom refresh timer")
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ospf_flood = {"r0": {"ospf": {"lsa-refresh": 120}}}
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result = create_router_ospf(tgen, topo, ospf_flood)
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assert result is True, "Testcase : Failed \n Error: {}".format(result)
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step("Enable flood. reduction in all the routers of the topology.")
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for rtr in topo["routers"].keys():
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ospf_flood = {rtr: {"ospf": {"lsa-refresh": 120, "flood-reduction": True}}}
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result = create_router_ospf(tgen, topo, ospf_flood)
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assert result is True, "Testcase : Failed \n Error: {}".format(result)
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for rtr in topo["routers"]:
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clear_ospf(tgen, rtr)
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ospf_covergence = verify_ospf_neighbor(tgen, topo)
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assert ospf_covergence is True, "Testcase :Failed \n Error:" " {}".format(
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ospf_covergence
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)
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step("Verify that ospf lsa's are set with dc bit 1.")
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for rtr in topo["routers"]:
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dut = rtr
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lsid = "{}".format(topo["routers"][rtr]["ospf"]["router_id"])
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input_dict_db = {
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"routerId": lsid,
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"areas": {
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"0.0.0.0": {
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"routerLinkStates": [
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{
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"lsaId": lsid,
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"options": "*|-|DC|-|-|-|E|-",
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},
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]
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}
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},
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}
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result = verify_ospf_database(
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tgen, topo, dut, input_dict_db, lsatype="router", rid=lsid
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)
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assert result is True, "Testcase {} : Failed \n Error: {}".format(
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tc_name, result
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)
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step("Wait for 120 secs and verify that LSA's are not refreshed. ")
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# get LSA age
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dut = "r1"
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input_dict_db = {
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"routerId": "100.1.1.0",
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"areas": {
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"0.0.0.0": {
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"routerLinkStates": [
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{"lsaId": "100.1.1.0", "lsaAge": "get"},
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]
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}
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},
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}
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sleep(10)
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result1 = get_ospf_database(
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tgen, topo, dut, input_dict_db, lsatype="router", rid="100.1.1.0"
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)
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# this wait is put so that we wait for 5secs to check if lsa is refreshed.
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sleep(5)
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result2 = get_ospf_database(
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tgen, topo, dut, input_dict_db, lsatype="router", rid="100.1.1.0"
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)
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assert (result1 == result2) is True, "Testcase {} : Failed \n Error: {}".format(
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tc_name, result
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)
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step("Disable flood reduction in R0.")
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ospf_flood = {
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"r0": {"ospf": {"flood-reduction": True, "del_flood_reduction": True}}
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}
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result = create_router_ospf(tgen, topo, ospf_flood)
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assert result is True, "Testcase : Failed \n Error: {}".format(result)
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clear_ospf(tgen, "r0")
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ospf_covergence = verify_ospf_neighbor(tgen, topo)
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assert ospf_covergence is True, "Testcase :Failed \n Error:" " {}".format(
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ospf_covergence
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)
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step("Verify that ospf lea's are not set with dc bit 1.")
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dut = "r0"
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input_dict_db = {
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"routerId": "100.1.1.0",
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"areas": {
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"0.0.0.0": {
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"routerLinkStates": [
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{
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"lsaId": "100.1.1.0",
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"options": "*|-|DC|-|-|-|E|-",
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},
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]
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}
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},
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}
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result = verify_ospf_database(
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tgen,
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topo,
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dut,
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input_dict_db,
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lsatype="router",
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rid="100.1.1.0",
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expected=False,
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)
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assert result is not True, (
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"Testcase {} : Failed \n "
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"Expected: OSPF LSA should not be set with DC bit in {} \n "
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"Found: {}".format(tc_name, dut, result)
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)
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step("Wait for 120 secs and verify that LSA's are not refreshed. ")
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# get LSA age
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dut = "r1"
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input_dict_db = {
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"routerId": "100.1.1.0",
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"areas": {
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"0.0.0.0": {
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"routerLinkStates": [
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{"lsaId": "100.1.1.0", "lsaAge": "get"},
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]
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}
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},
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}
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sleep(10)
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result1 = get_ospf_database(
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tgen, topo, dut, input_dict_db, lsatype="router", rid="100.1.1.0"
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)
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sleep(5)
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result2 = get_ospf_database(
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tgen, topo, dut, input_dict_db, lsatype="router", rid="100.1.1.0"
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)
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if result2 is not result1:
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result = True
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assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
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step(
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"Enable flood reduction on each router with 10 secs delay of between each router."
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)
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for rtr in topo["routers"].keys():
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ospf_flood = {rtr: {"ospf": {"lsa-refresh": 120, "flood-reduction": True}}}
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sleep(10)
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result = create_router_ospf(tgen, topo, ospf_flood)
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assert result is True, "Testcase : Failed \n Error: {}".format(result)
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for rtr in topo["routers"]:
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clear_ospf(tgen, rtr)
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step("Verify that LSA's are not refreshed. Do not age bit should be set to 1.")
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dut = "r0"
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input_dict_db = {
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"routerId": "100.1.1.0",
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"areas": {
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"0.0.0.0": {
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"routerLinkStates": [
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{
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"lsaId": "100.1.1.0",
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"options": "*|-|DC|-|-|-|E|-",
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},
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]
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}
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},
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}
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result = verify_ospf_database(
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tgen, topo, dut, input_dict_db, lsatype="router", rid="100.1.1.0"
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)
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assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
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step(
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"Verify OSPF neighborship when OSPF flood reduction is configured and ospf process is restarted"
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)
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step("Kill OSPFd daemon on R0.")
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kill_router_daemons(tgen, "r0", ["ospfd"])
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start_router_daemons(tgen, "r0", ["ospfd"])
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ospf_covergence = verify_ospf_neighbor(tgen, topo)
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assert ospf_covergence is True, "Testcase :Failed \n Error:" " {}".format(
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ospf_covergence
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)
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step("Verify that LSA's are not refreshed. Do not age bit should be set to 1.")
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dut = "r0"
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input_dict_db = {
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"routerId": "100.1.1.0",
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"areas": {
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"0.0.0.0": {
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"routerLinkStates": [
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{
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"lsaId": "100.1.1.0",
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"options": "*|-|DC|-|-|-|E|-",
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},
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]
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}
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},
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}
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result = verify_ospf_database(
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tgen, topo, dut, input_dict_db, lsatype="router", rid="100.1.1.0"
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)
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assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
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write_test_footer(tc_name)
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def test_ospf_flood_red_tc2_p0(request):
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"""Verify OSPF Flood reduction functionality with ospf enabled on area level."""
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tc_name = request.node.name
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write_test_header(tc_name)
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tgen = get_topogen()
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|
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# Don't run this test if we have any failure.
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if tgen.routers_have_failure():
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check_router_status(tgen)
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global topo
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step("Bring up the base config as per the topology")
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reset_config_on_routers(tgen)
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red_static("r0")
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step("Base config should be up, verify using OSPF convergence on all the routers")
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ospf_covergence = verify_ospf_neighbor(tgen, topo)
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assert ospf_covergence is True, "Testcase :Failed \n Error:" " {}".format(
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ospf_covergence
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)
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input_dict = {
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"r0": {
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"static_routes": [
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{
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"network": NETWORK["ipv4"][0],
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"no_of_ip": 5,
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"next_hop": "Null0",
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}
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]
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}
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}
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result = create_static_routes(tgen, input_dict)
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assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
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step("Enable flood reduction in area level on R0 in area 0")
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ospf_flood = {
|
|
"r0": {"ospf": {"area": [{"id": "0.0.0.0", "flood-reduction": True}]}}
|
|
}
|
|
result = create_router_ospf(tgen, topo, ospf_flood)
|
|
assert result is True, "Testcase : Failed \n Error: {}".format(result)
|
|
|
|
step("Verify that ospf lsa's are set with dc bit 1.")
|
|
dut = "r0"
|
|
input_dict_db = {
|
|
"routerId": "100.1.1.0",
|
|
"areas": {
|
|
"0.0.0.0": {
|
|
"routerLinkStates": [
|
|
{
|
|
"lsaId": "100.1.1.0",
|
|
"options": "*|-|DC|-|-|-|E|-",
|
|
},
|
|
]
|
|
}
|
|
},
|
|
}
|
|
result = verify_ospf_database(
|
|
tgen, topo, dut, input_dict_db, lsatype="router", rid="100.1.1.0"
|
|
)
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
|
|
|
step("Configure the custom refresh timer")
|
|
ospf_flood = {"r0": {"ospf": {"lsa-refresh": 120}}}
|
|
result = create_router_ospf(tgen, topo, ospf_flood)
|
|
assert result is True, "Testcase : Failed \n Error: {}".format(result)
|
|
|
|
step("Enable flood. reduction in all the routers of the topology.")
|
|
for rtr in topo["routers"].keys():
|
|
ospf_flood = {
|
|
rtr: {"ospf": {"area": [{"id": "0.0.0.0", "flood-reduction": True}]}}
|
|
}
|
|
result = create_router_ospf(tgen, topo, ospf_flood)
|
|
assert result is True, "Testcase : Failed \n Error: {}".format(result)
|
|
|
|
for rtr in topo["routers"]:
|
|
clear_ospf(tgen, rtr)
|
|
|
|
ospf_covergence = verify_ospf_neighbor(tgen, topo)
|
|
assert ospf_covergence is True, "Testcase :Failed \n Error:" " {}".format(
|
|
ospf_covergence
|
|
)
|
|
|
|
step("Verify that ospf lsa's are set with dc bit 1.")
|
|
for rtr in topo["routers"]:
|
|
dut = rtr
|
|
lsid = "{}".format(topo["routers"][rtr]["ospf"]["router_id"])
|
|
input_dict_db = {
|
|
"routerId": lsid,
|
|
"areas": {
|
|
"0.0.0.0": {
|
|
"routerLinkStates": [
|
|
{
|
|
"lsaId": lsid,
|
|
"options": "*|-|DC|-|-|-|E|-",
|
|
},
|
|
]
|
|
}
|
|
},
|
|
}
|
|
result = verify_ospf_database(
|
|
tgen, topo, dut, input_dict_db, lsatype="router", rid=lsid
|
|
)
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(
|
|
tc_name, result
|
|
)
|
|
|
|
step("Wait for 120 secs and verify that LSA's are not refreshed. ")
|
|
# get LSA age
|
|
dut = "r1"
|
|
input_dict_db = {
|
|
"routerId": "100.1.1.0",
|
|
"areas": {
|
|
"0.0.0.0": {
|
|
"routerLinkStates": [
|
|
{"lsaId": "100.1.1.0", "lsaAge": "get"},
|
|
]
|
|
}
|
|
},
|
|
}
|
|
sleep(10)
|
|
|
|
result1 = get_ospf_database(
|
|
tgen, topo, dut, input_dict_db, lsatype="router", rid="100.1.1.0"
|
|
)
|
|
sleep(5)
|
|
result2 = get_ospf_database(
|
|
tgen, topo, dut, input_dict_db, lsatype="router", rid="100.1.1.0"
|
|
)
|
|
|
|
assert (result1 == result2) is True, "Testcase {} : Failed \n Error: {}".format(
|
|
tc_name, result
|
|
)
|
|
|
|
step("Disable flood reduction in R0.")
|
|
ospf_flood = {
|
|
"r0": {
|
|
"ospf": {
|
|
"area": [{"id": "0.0.0.0", "flood-reduction": True, "delete": True}]
|
|
}
|
|
}
|
|
}
|
|
result = create_router_ospf(tgen, topo, ospf_flood)
|
|
assert result is True, "Testcase : Failed \n Error: {}".format(result)
|
|
|
|
clear_ospf(tgen, "r0")
|
|
|
|
ospf_covergence = verify_ospf_neighbor(tgen, topo)
|
|
assert ospf_covergence is True, "Testcase :Failed \n Error:" " {}".format(
|
|
ospf_covergence
|
|
)
|
|
|
|
step("Verify that ospf lea's are not set with dc bit 1.")
|
|
dut = "r0"
|
|
input_dict_db = {
|
|
"routerId": "100.1.1.0",
|
|
"areas": {
|
|
"0.0.0.0": {
|
|
"routerLinkStates": [
|
|
{
|
|
"lsaId": "100.1.1.0",
|
|
"options": "*|-|DC|-|-|-|E|-",
|
|
},
|
|
]
|
|
}
|
|
},
|
|
}
|
|
result = verify_ospf_database(
|
|
tgen,
|
|
topo,
|
|
dut,
|
|
input_dict_db,
|
|
lsatype="router",
|
|
rid="100.1.1.0",
|
|
expected=False,
|
|
)
|
|
assert result is not True, (
|
|
"Testcase {} : Failed \n "
|
|
"Expected: OSPF LSA should not be set with DC bit in {} \n "
|
|
"Found: {}".format(tc_name, dut, result)
|
|
)
|
|
step("Wait for 120 secs and verify that LSA's are not refreshed. ")
|
|
# get LSA age
|
|
dut = "r1"
|
|
input_dict_db = {
|
|
"routerId": "100.1.1.0",
|
|
"areas": {
|
|
"0.0.0.0": {
|
|
"routerLinkStates": [
|
|
{"lsaId": "100.1.1.0", "lsaAge": "get"},
|
|
]
|
|
}
|
|
},
|
|
}
|
|
sleep(10)
|
|
|
|
result1 = get_ospf_database(
|
|
tgen, topo, dut, input_dict_db, lsatype="router", rid="100.1.1.0"
|
|
)
|
|
sleep(5)
|
|
result2 = get_ospf_database(
|
|
tgen, topo, dut, input_dict_db, lsatype="router", rid="100.1.1.0"
|
|
)
|
|
|
|
if result2 is not result1:
|
|
result = True
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
|
|
|
step(
|
|
"Enable flood reduction on each router with 10 secs delay of between each router."
|
|
)
|
|
for rtr in topo["routers"].keys():
|
|
ospf_flood = {
|
|
rtr: {"ospf": {"area": [{"id": "0.0.0.0", "flood-reduction": True}]}}
|
|
}
|
|
sleep(10)
|
|
result = create_router_ospf(tgen, topo, ospf_flood)
|
|
assert result is True, "Testcase : Failed \n Error: {}".format(result)
|
|
|
|
for rtr in topo["routers"]:
|
|
clear_ospf(tgen, rtr)
|
|
|
|
step("Verify that LSA's are not refreshed. Do not age bit should be set to 1.")
|
|
dut = "r0"
|
|
input_dict_db = {
|
|
"routerId": "100.1.1.0",
|
|
"areas": {
|
|
"0.0.0.0": {
|
|
"routerLinkStates": [
|
|
{
|
|
"lsaId": "100.1.1.0",
|
|
"options": "*|-|DC|-|-|-|E|-",
|
|
},
|
|
]
|
|
}
|
|
},
|
|
}
|
|
result = verify_ospf_database(
|
|
tgen, topo, dut, input_dict_db, lsatype="router", rid="100.1.1.0"
|
|
)
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
|
|
|
write_test_footer(tc_name)
|
|
|
|
|
|
def test_ospf_flood_red_tc3_p0(request):
|
|
"""Verify OSPF Flood reduction functionality between different area's"""
|
|
tc_name = request.node.name
|
|
write_test_header(tc_name)
|
|
tgen = get_topogen()
|
|
|
|
# Don't run this test if we have any failure.
|
|
if tgen.routers_have_failure():
|
|
check_router_status(tgen)
|
|
|
|
global topo
|
|
|
|
step("Bring up the base config as per the topology")
|
|
reset_config_on_routers(tgen)
|
|
red_static("r0")
|
|
step("Base config should be up, verify using OSPF convergence on all the routers")
|
|
|
|
ospf_covergence = verify_ospf_neighbor(tgen, topo)
|
|
assert ospf_covergence is True, "Testcase :Failed \n Error:" " {}".format(
|
|
ospf_covergence
|
|
)
|
|
|
|
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)
|
|
|
|
step("Enable flood reduction in area level on R0 in area 0")
|
|
ospf_flood = {
|
|
"r0": {"ospf": {"area": [{"id": "0.0.0.0", "flood-reduction": True}]}}
|
|
}
|
|
result = create_router_ospf(tgen, topo, ospf_flood)
|
|
assert result is True, "Testcase : Failed \n Error: {}".format(result)
|
|
|
|
step("Verify that ospf lsa's are set with dc bit 1.")
|
|
dut = "r0"
|
|
input_dict_db = {
|
|
"routerId": "100.1.1.0",
|
|
"areas": {
|
|
"0.0.0.0": {
|
|
"routerLinkStates": [
|
|
{
|
|
"lsaId": "100.1.1.0",
|
|
"options": "*|-|DC|-|-|-|E|-",
|
|
},
|
|
]
|
|
}
|
|
},
|
|
}
|
|
result = verify_ospf_database(
|
|
tgen, topo, dut, input_dict_db, lsatype="router", rid="100.1.1.0"
|
|
)
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
|
|
|
step("Configure the custom refresh timer")
|
|
ospf_flood = {"r0": {"ospf": {"lsa-refresh": 120}}}
|
|
result = create_router_ospf(tgen, topo, ospf_flood)
|
|
assert result is True, "Testcase : Failed \n Error: {}".format(result)
|
|
|
|
step(
|
|
"Enable flood. reduction in all the routers of the topology in area 0. Redistribute static route in area 0 R1 and area1 in R2."
|
|
)
|
|
for rtr in topo["routers"].keys():
|
|
ospf_flood = {
|
|
rtr: {"ospf": {"area": [{"id": "0.0.0.0", "flood-reduction": True}]}}
|
|
}
|
|
result = create_router_ospf(tgen, topo, ospf_flood)
|
|
assert result is True, "Testcase : Failed \n Error: {}".format(result)
|
|
|
|
sleep(10)
|
|
|
|
for rtr in topo["routers"]:
|
|
clear_ospf(tgen, rtr)
|
|
|
|
ospf_covergence = verify_ospf_neighbor(tgen, topo)
|
|
assert ospf_covergence is True, "Testcase :Failed \n Error:" " {}".format(
|
|
ospf_covergence
|
|
)
|
|
|
|
step("Verify that ospf lsa's are set with dc bit 1.")
|
|
for rtr in topo["routers"]:
|
|
dut = rtr
|
|
lsid = "{}".format(topo["routers"][rtr]["ospf"]["router_id"])
|
|
input_dict_db = {
|
|
"routerId": lsid,
|
|
"areas": {
|
|
"0.0.0.0": {
|
|
"routerLinkStates": [
|
|
{
|
|
"lsaId": lsid,
|
|
"options": "*|-|DC|-|-|-|E|-",
|
|
},
|
|
]
|
|
}
|
|
},
|
|
}
|
|
result = verify_ospf_database(
|
|
tgen, topo, dut, input_dict_db, lsatype="router", rid=lsid
|
|
)
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(
|
|
tc_name, result
|
|
)
|
|
|
|
step("Wait for 120 secs and verify that LSA's are not refreshed. ")
|
|
# get LSA age
|
|
dut = "r1"
|
|
input_dict_db = {
|
|
"routerId": "100.1.1.0",
|
|
"areas": {
|
|
"0.0.0.0": {
|
|
"routerLinkStates": [
|
|
{"lsaId": "100.1.1.0", "lsaAge": "get"},
|
|
]
|
|
}
|
|
},
|
|
}
|
|
sleep(10)
|
|
|
|
result1 = get_ospf_database(
|
|
tgen, topo, dut, input_dict_db, lsatype="router", rid="100.1.1.0"
|
|
)
|
|
sleep(5)
|
|
result2 = get_ospf_database(
|
|
tgen, topo, dut, input_dict_db, lsatype="router", rid="100.1.1.0"
|
|
)
|
|
|
|
assert (result1 == result2) is True, "Testcase {} : Failed \n Error: {}".format(
|
|
tc_name, result
|
|
)
|
|
|
|
step("Enable flood reduction in area 1.")
|
|
|
|
ospf_flood = {
|
|
"r0": {"ospf": {"area": [{"id": "0.0.0.0", "flood-reduction": True}]}}
|
|
}
|
|
result = create_router_ospf(tgen, topo, ospf_flood)
|
|
assert result is True, "Testcase : Failed \n Error: {}".format(result)
|
|
|
|
ospf_flood = {
|
|
"r1": {
|
|
"ospf": {
|
|
"area": [
|
|
{"id": "0.0.0.0", "flood-reduction": True},
|
|
{"id": "0.0.0.1", "flood-reduction": True},
|
|
]
|
|
}
|
|
}
|
|
}
|
|
result = create_router_ospf(tgen, topo, ospf_flood)
|
|
assert result is True, "Testcase : Failed \n Error: {}".format(result)
|
|
|
|
ospf_flood = {
|
|
"r2": {
|
|
"ospf": {
|
|
"area": [
|
|
{"id": "0.0.0.0", "flood-reduction": True},
|
|
{"id": "0.0.0.1", "flood-reduction": True},
|
|
{"id": "0.0.0.2", "flood-reduction": True},
|
|
]
|
|
}
|
|
}
|
|
}
|
|
result = create_router_ospf(tgen, topo, ospf_flood)
|
|
assert result is True, "Testcase : Failed \n Error: {}".format(result)
|
|
|
|
ospf_flood = {
|
|
"r3": {
|
|
"ospf": {
|
|
"area": [
|
|
{"id": "0.0.0.0", "flood-reduction": True},
|
|
{"id": "0.0.0.2", "flood-reduction": True},
|
|
]
|
|
}
|
|
}
|
|
}
|
|
result = create_router_ospf(tgen, topo, ospf_flood)
|
|
assert result is True, "Testcase : Failed \n Error: {}".format(result)
|
|
|
|
for rtr in topo["routers"]:
|
|
clear_ospf(tgen, rtr)
|
|
|
|
ospf_covergence = verify_ospf_neighbor(tgen, topo)
|
|
assert ospf_covergence is True, "Testcase :Failed \n Error:" " {}".format(
|
|
ospf_covergence
|
|
)
|
|
|
|
step("Verify that ospf lea's are set with dc bit 1.")
|
|
dut = "r1"
|
|
input_dict_db = {
|
|
"routerId": "100.1.1.1",
|
|
"areas": {
|
|
"0.0.0.0": {
|
|
"routerLinkStates": [
|
|
{
|
|
"lsaId": "100.1.1.1",
|
|
"options": "*|-|DC|-|-|-|E|-",
|
|
},
|
|
]
|
|
}
|
|
},
|
|
}
|
|
result = verify_ospf_database(
|
|
tgen, topo, dut, input_dict_db, lsatype="router", rid="100.1.1.1"
|
|
)
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
|
|
|
step("Wait for 120 secs and verify that LSA's are not refreshed. ")
|
|
# get LSA age
|
|
dut = "r1"
|
|
input_dict_db = {
|
|
"routerId": "100.1.1.1",
|
|
"areas": {
|
|
"0.0.0.0": {
|
|
"routerLinkStates": [
|
|
{"lsaId": "100.1.1.1", "lsaAge": "get"},
|
|
]
|
|
}
|
|
},
|
|
}
|
|
sleep(10)
|
|
|
|
result1 = get_ospf_database(
|
|
tgen, topo, dut, input_dict_db, lsatype="router", rid="100.1.1.1"
|
|
)
|
|
sleep(5)
|
|
result2 = get_ospf_database(
|
|
tgen, topo, dut, input_dict_db, lsatype="router", rid="100.1.1.1"
|
|
)
|
|
|
|
if result2 is result1:
|
|
result = True
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
|
|
|
step("Disable flood reduction in R0.")
|
|
|
|
ospf_flood = {
|
|
"r0": {
|
|
"ospf": {
|
|
"area": [{"id": "0.0.0.0", "flood-reduction": True, "delete": True}]
|
|
}
|
|
}
|
|
}
|
|
result = create_router_ospf(tgen, topo, ospf_flood)
|
|
assert result is True, "Testcase : Failed \n Error: {}".format(result)
|
|
|
|
ospf_flood = {
|
|
"r1": {
|
|
"ospf": {
|
|
"area": [
|
|
{"id": "0.0.0.0", "flood-reduction": True, "delete": True},
|
|
{"id": "0.0.0.1", "flood-reduction": True, "delete": True},
|
|
]
|
|
}
|
|
}
|
|
}
|
|
result = create_router_ospf(tgen, topo, ospf_flood)
|
|
assert result is True, "Testcase : Failed \n Error: {}".format(result)
|
|
|
|
ospf_flood = {
|
|
"r2": {
|
|
"ospf": {
|
|
"area": [
|
|
{"id": "0.0.0.0", "flood-reduction": True, "delete": True},
|
|
{"id": "0.0.0.1", "flood-reduction": True, "delete": True},
|
|
{"id": "0.0.0.2", "flood-reduction": True, "delete": True},
|
|
]
|
|
}
|
|
}
|
|
}
|
|
result = create_router_ospf(tgen, topo, ospf_flood)
|
|
assert result is True, "Testcase : Failed \n Error: {}".format(result)
|
|
|
|
ospf_flood = {
|
|
"r3": {
|
|
"ospf": {
|
|
"area": [
|
|
{"id": "0.0.0.0", "flood-reduction": True, "delete": True},
|
|
{"id": "0.0.0.2", "flood-reduction": True, "delete": True},
|
|
]
|
|
}
|
|
}
|
|
}
|
|
result = create_router_ospf(tgen, topo, ospf_flood)
|
|
assert result is True, "Testcase : Failed \n Error: {}".format(result)
|
|
|
|
clear_ospf(tgen, "r0")
|
|
|
|
ospf_covergence = verify_ospf_neighbor(tgen, topo)
|
|
assert ospf_covergence is True, "Testcase :Failed \n Error:" " {}".format(
|
|
ospf_covergence
|
|
)
|
|
|
|
step("Verify that ospf lea's are not set with dc bit 1.")
|
|
dut = "r0"
|
|
input_dict_db = {
|
|
"routerId": "100.1.1.0",
|
|
"areas": {
|
|
"0.0.0.0": {
|
|
"routerLinkStates": [
|
|
{
|
|
"lsaId": "100.1.1.0",
|
|
"options": "*|-|DC|-|-|-|E|-",
|
|
},
|
|
]
|
|
}
|
|
},
|
|
}
|
|
result = verify_ospf_database(
|
|
tgen,
|
|
topo,
|
|
dut,
|
|
input_dict_db,
|
|
lsatype="router",
|
|
rid="100.1.1.0",
|
|
expected=False,
|
|
)
|
|
|
|
assert result is not True, (
|
|
"Testcase {} : Failed \n "
|
|
"Expected: OSPF LSA should not be set with DC bit in {} \n "
|
|
"Found: {}".format(tc_name, dut, result)
|
|
)
|
|
|
|
step("Wait for 120 secs and verify that LSA's are not refreshed. ")
|
|
# get LSA age
|
|
dut = "r1"
|
|
input_dict_db = {
|
|
"routerId": "100.1.1.0",
|
|
"areas": {
|
|
"0.0.0.0": {
|
|
"routerLinkStates": [
|
|
{"lsaId": "100.1.1.0", "lsaAge": "get"},
|
|
]
|
|
}
|
|
},
|
|
}
|
|
sleep(10)
|
|
|
|
result1 = get_ospf_database(
|
|
tgen, topo, dut, input_dict_db, lsatype="router", rid="100.1.1.0"
|
|
)
|
|
sleep(5)
|
|
result2 = get_ospf_database(
|
|
tgen, topo, dut, input_dict_db, lsatype="router", rid="100.1.1.0"
|
|
)
|
|
|
|
if result2 is not result1:
|
|
result = True
|
|
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))
|