forked from Mirror/frr
d5bd355430
1. Removed the step from hello test case with hello timer of 65535. This test works in some platforms and does not work in others, affecting stability. Signed-off-by: nguggarigoud <nguggarigoud@vmware.com>
1016 lines
33 KiB
Python
1016 lines
33 KiB
Python
#!/usr/bin/python
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#
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# Copyright (c) 2020 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 copy import deepcopy
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from ipaddress import IPv4Address
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from lib.topotest import frr_unicode
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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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# pylint: disable=C0413
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# Import topogen and topotest helpers
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from lib.topogen import Topogen, get_topogen
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import ipaddress
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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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step,
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create_interfaces_cfg,
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topo_daemons,
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)
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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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from lib.ospf import (
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verify_ospf_neighbor,
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config_ospf_interface,
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clear_ospf,
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verify_ospf_rib,
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verify_ospf_interface,
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)
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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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"""
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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. OSPF IFSM -Verify state change events on p2p network.
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2. OSPF Timers - Verify OSPF interface timer hello interval functionality
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3. OSPF Timers - Verify OSPF interface timer dead interval functionality
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4. Verify ospf show commands with json output.
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5. Verify NFSM events when ospf nbr changes with different MTU values.
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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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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_single_area.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, topo)
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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, daemons)
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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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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(mod):
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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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# ##################################
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# Test cases start here.
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# ##################################
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def test_ospf_p2p_tc3_p0(request):
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"""OSPF IFSM -Verify state change events on p2p network."""
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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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pytest.skip(tgen.errors)
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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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step(
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"Verify that OSPF is subscribed to multi cast services "
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"(All SPF, all DR Routers)."
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)
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step("Verify that interface is enabled in ospf.")
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step("Verify that config is successful.")
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dut = "r0"
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input_dict = {
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"r0": {
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"links": {
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"r3": {"ospf": {"mcastMemberOspfAllRouters": True, "ospfEnabled": True}}
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}
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}
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}
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result = verify_ospf_interface(tgen, topo, dut=dut, input_dict=input_dict)
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assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
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step("Delete the ip address")
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topo1 = {
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"r0": {
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"links": {
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"r3": {
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"ipv4": topo["routers"]["r0"]["links"]["r3"]["ipv4"],
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"interface": topo["routers"]["r0"]["links"]["r3"]["interface"],
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"delete": True,
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}
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}
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}
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}
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result = create_interfaces_cfg(tgen, topo1)
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assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
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step("Change the ip on the R0 interface")
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topo_modify_change_ip = deepcopy(topo)
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intf_ip = topo_modify_change_ip["routers"]["r0"]["links"]["r3"]["ipv4"]
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topo_modify_change_ip["routers"]["r0"]["links"]["r3"]["ipv4"] = str(
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IPv4Address(frr_unicode(intf_ip.split("/")[0])) + 3
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) + "/{}".format(intf_ip.split("/")[1])
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build_config_from_json(tgen, topo_modify_change_ip, save_bkup=False)
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step("Verify that interface is enabled in ospf.")
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dut = "r0"
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input_dict = {
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"r0": {
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"links": {
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"r3": {
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"ospf": {
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"ipAddress": topo_modify_change_ip["routers"]["r0"]["links"][
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"r3"
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]["ipv4"].split("/")[0],
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"ipAddressPrefixlen": int(
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topo_modify_change_ip["routers"]["r0"]["links"]["r3"][
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"ipv4"
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].split("/")[1]
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),
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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_interface(tgen, topo, dut=dut, input_dict=input_dict)
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assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
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step("Modify the mask on the R0 interface")
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ip_addr = topo_modify_change_ip["routers"]["r0"]["links"]["r3"]["ipv4"]
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mask = topo_modify_change_ip["routers"]["r0"]["links"]["r3"]["ipv4"]
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step("Delete the ip address")
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topo1 = {
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"r0": {
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"links": {
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"r3": {
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"ipv4": ip_addr,
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"interface": topo["routers"]["r0"]["links"]["r3"]["interface"],
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"delete": True,
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}
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}
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}
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}
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result = create_interfaces_cfg(tgen, topo1)
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assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
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step("Change the ip on the R0 interface")
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topo_modify_change_ip = deepcopy(topo)
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intf_ip = topo_modify_change_ip["routers"]["r0"]["links"]["r3"]["ipv4"]
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topo_modify_change_ip["routers"]["r0"]["links"]["r3"]["ipv4"] = str(
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IPv4Address(frr_unicode(intf_ip.split("/")[0])) + 3
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) + "/{}".format(int(intf_ip.split("/")[1]) + 1)
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build_config_from_json(tgen, topo_modify_change_ip, save_bkup=False)
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step("Verify that interface is enabled in ospf.")
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dut = "r0"
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input_dict = {
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"r0": {
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"links": {
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"r3": {
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"ospf": {
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"ipAddress": topo_modify_change_ip["routers"]["r0"]["links"][
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"r3"
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]["ipv4"].split("/")[0],
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"ipAddressPrefixlen": int(
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topo_modify_change_ip["routers"]["r0"]["links"]["r3"][
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"ipv4"
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].split("/")[1]
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),
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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_interface(tgen, topo, dut=dut, input_dict=input_dict)
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assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
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topo1 = {
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"r0": {
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"links": {
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"r3": {
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"ipv4": topo_modify_change_ip["routers"]["r0"]["links"]["r3"][
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"ipv4"
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],
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"interface": topo_modify_change_ip["routers"]["r0"]["links"]["r3"][
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"interface"
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],
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"delete": True,
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}
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}
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}
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}
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result = create_interfaces_cfg(tgen, topo1)
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assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
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build_config_from_json(tgen, topo, save_bkup=False)
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step("Change the area id on the interface")
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input_dict = {
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"r0": {
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"links": {
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"r3": {
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"interface": topo["routers"]["r0"]["links"]["r3"]["interface"],
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"ospf": {"area": "0.0.0.0"},
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"delete": True,
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}
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}
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}
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}
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result = create_interfaces_cfg(tgen, input_dict)
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assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
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input_dict = {
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"r0": {
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"links": {
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"r3": {
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"interface": topo["routers"]["r0"]["links"]["r3"]["interface"],
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"ospf": {"area": "0.0.0.1"},
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}
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}
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}
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}
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result = create_interfaces_cfg(tgen, input_dict)
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assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
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step("Verify that interface is enabled in ospf.")
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dut = "r0"
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input_dict = {
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"r0": {"links": {"r3": {"ospf": {"area": "0.0.0.1", "ospfEnabled": True}}}}
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}
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result = verify_ospf_interface(tgen, topo, dut=dut, input_dict=input_dict)
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assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
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input_dict = {
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"r0": {
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"links": {
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"r3": {
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"interface": topo["routers"]["r0"]["links"]["r3"]["interface"],
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"ospf": {"area": "0.0.0.1"},
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"delete": True,
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}
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}
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}
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}
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result = create_interfaces_cfg(tgen, input_dict)
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assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
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input_dict = {
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"r0": {
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"links": {
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"r3": {
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"interface": topo["routers"]["r0"]["links"]["r3"]["interface"],
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"ospf": {"area": "0.0.0.0"},
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}
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}
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}
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}
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result = create_interfaces_cfg(tgen, input_dict)
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assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
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# Api call verify whether BGP 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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write_test_footer(tc_name)
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def test_ospf_hello_tc10_p0(request):
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"""
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OSPF timers.
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Verify OSPF interface timer hello interval functionality
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"""
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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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pytest.skip(tgen.errors)
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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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step("modify hello timer from default value to some other value on r1")
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topo1 = {
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"r1": {
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"links": {
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"r0": {
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"interface": topo["routers"]["r1"]["links"]["r0"]["interface"],
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"ospf": {"hello_interval": 11, "dead_interval": 12},
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}
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}
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}
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}
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result = create_interfaces_cfg(tgen, topo1)
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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 that new timer value is configured and applied using "
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"the show ip ospf interface command."
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)
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dut = "r1"
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input_dict = {
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"r1": {
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"links": {"r0": {"ospf": {"timerMsecs": 11 * 1000, "timerDeadSecs": 12}}}
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}
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}
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result = verify_ospf_interface(tgen, topo, dut=dut, input_dict=input_dict)
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assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
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step("modify hello timer from default value to r1 hello timer on r2")
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topo1 = {
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"r0": {
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"links": {
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"r1": {
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"interface": topo["routers"]["r0"]["links"]["r1"]["interface"],
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"ospf": {"hello_interval": 11, "dead_interval": 12},
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}
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}
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}
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}
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result = create_interfaces_cfg(tgen, topo1)
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assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
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step("verify that new timer value is configured.")
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input_dict = {
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"r0": {
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"links": {"r1": {"ospf": {"timerMsecs": 11 * 1000, "timerDeadSecs": 12}}}
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}
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}
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dut = "r0"
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result = verify_ospf_interface(tgen, topo, dut=dut, input_dict=input_dict)
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assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
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step("verify that ospf neighbours are full")
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ospf_covergence = verify_ospf_neighbor(tgen, topo, dut=dut)
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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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step("reconfigure the default hello timer value to default on r1 and r2")
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topo1 = {
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"r0": {
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"links": {
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"r1": {
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"interface": topo["routers"]["r0"]["links"]["r1"]["interface"],
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"ospf": {"hello_interval": 10, "dead_interval": 40},
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}
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}
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}
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}
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result = create_interfaces_cfg(tgen, topo1)
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assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
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topo1 = {
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"r1": {
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"links": {
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"r0": {
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"interface": topo["routers"]["r1"]["links"]["r0"]["interface"],
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"ospf": {"hello_interval": 10, "dead_interval": 40},
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}
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}
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}
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}
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result = create_interfaces_cfg(tgen, topo1)
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assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
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step("verify that new timer value is configured.")
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input_dict = {
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"r0": {
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"links": {"r1": {"ospf": {"timerMsecs": 10 * 1000, "timerDeadSecs": 40}}}
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}
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}
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dut = "r0"
|
|
result = verify_ospf_interface(tgen, topo, dut=dut, input_dict=input_dict)
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
|
|
|
step("verify that ospf neighbours are full")
|
|
ospf_covergence = verify_ospf_neighbor(tgen, topo, dut=dut)
|
|
assert ospf_covergence is True, "setup_module :Failed \n Error:" " {}".format(
|
|
ospf_covergence
|
|
)
|
|
|
|
step("reconfigure the default hello timer value to default on r1 and r2")
|
|
|
|
topo1 = {
|
|
"r0": {
|
|
"links": {
|
|
"r1": {
|
|
"interface": topo["routers"]["r0"]["links"]["r1"]["interface"],
|
|
"ospf": {"hello_interval": 10, "dead_interval": 40},
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
result = create_interfaces_cfg(tgen, topo1)
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
|
|
|
topo1 = {
|
|
"r1": {
|
|
"links": {
|
|
"r0": {
|
|
"interface": topo["routers"]["r1"]["links"]["r0"]["interface"],
|
|
"ospf": {"hello_interval": 10, "dead_interval": 40},
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
result = create_interfaces_cfg(tgen, topo1)
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
|
|
|
step("verify that new timer value is configured.")
|
|
input_dict = {
|
|
"r0": {
|
|
"links": {"r1": {"ospf": {"timerMsecs": 10 * 1000, "timerDeadSecs": 40}}}
|
|
}
|
|
}
|
|
dut = "r0"
|
|
result = verify_ospf_interface(tgen, topo, dut=dut, input_dict=input_dict)
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
|
|
|
step("verify that ospf neighbours are full")
|
|
ospf_covergence = verify_ospf_neighbor(tgen, topo, dut=dut)
|
|
assert ospf_covergence is True, "setup_module :Failed \n Error:" " {}".format(
|
|
ospf_covergence
|
|
)
|
|
|
|
step("configure hello timer = 1 on r1 and r2")
|
|
topo1 = {
|
|
"r0": {
|
|
"links": {
|
|
"r1": {
|
|
"interface": topo["routers"]["r0"]["links"]["r1"]["interface"],
|
|
"ospf": {"hello_interval": 1, "dead_interval": 4},
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
result = create_interfaces_cfg(tgen, topo1)
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
|
|
|
topo1 = {
|
|
"r1": {
|
|
"links": {
|
|
"r0": {
|
|
"interface": topo["routers"]["r1"]["links"]["r0"]["interface"],
|
|
"ospf": {"hello_interval": 1, "dead_interval": 4},
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
result = create_interfaces_cfg(tgen, topo1)
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
|
|
|
step("verify that new timer value is configured.")
|
|
input_dict = {
|
|
"r0": {"links": {"r1": {"ospf": {"timerMsecs": 1 * 1000, "timerDeadSecs": 4}}}}
|
|
}
|
|
dut = "r0"
|
|
result = verify_ospf_interface(tgen, topo, dut=dut, input_dict=input_dict)
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
|
|
|
step("verify that ospf neighbours are full")
|
|
ospf_covergence = verify_ospf_neighbor(tgen, topo, dut=dut)
|
|
assert ospf_covergence is True, "setup_module :Failed \n Error:" " {}".format(
|
|
ospf_covergence
|
|
)
|
|
|
|
write_test_footer(tc_name)
|
|
|
|
|
|
def test_ospf_show_p1(request):
|
|
"""Verify ospf show commands with json output."""
|
|
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():
|
|
pytest.skip(tgen.errors)
|
|
|
|
global topo
|
|
step(" Bring up the base config as per the topology")
|
|
reset_config_on_routers(tgen)
|
|
|
|
ospf_covergence = verify_ospf_neighbor(tgen, topo)
|
|
assert ospf_covergence is True, "setup_module :Failed \n Error:" " {}".format(
|
|
ospf_covergence
|
|
)
|
|
dut = "r1"
|
|
input_dict = {
|
|
"r1": {
|
|
"links": {
|
|
"r0": {
|
|
"ospf": {
|
|
"ifUp": True,
|
|
"ifFlags": "<UP,BROADCAST,RUNNING,MULTICAST>",
|
|
"ospfEnabled": True,
|
|
"ipAddressPrefixlen": 24,
|
|
"ospfIfType": "Broadcast",
|
|
"area": "0.0.0.0",
|
|
"networkType": "BROADCAST",
|
|
"cost": 10,
|
|
"transmitDelaySecs": 1,
|
|
"state": "DR",
|
|
"priority": 1,
|
|
"mcastMemberOspfAllRouters": True,
|
|
"timerMsecs": 1000,
|
|
"timerDeadSecs": 4,
|
|
"timerWaitSecs": 4,
|
|
"timerRetransmitSecs": 5,
|
|
"nbrCount": 1,
|
|
"nbrAdjacentCount": 1,
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
result = verify_ospf_interface(tgen, topo, dut=dut, input_dict=input_dict)
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
|
|
|
# show ip ospf route
|
|
ip = topo["routers"]["r0"]["links"]["r3"]["ipv4"]
|
|
ip_net = str(ipaddress.ip_interface(u"{}".format(ip)).network)
|
|
nh = topo["routers"]["r0"]["links"]["r1"]["ipv4"].split("/")[0]
|
|
input_dict = {
|
|
"r1": {"static_routes": [{"network": ip_net, "no_of_ip": 1, "routeType": "N"}]}
|
|
}
|
|
|
|
dut = "r1"
|
|
result = verify_ospf_rib(tgen, dut, input_dict, next_hop=nh)
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
|
|
|
write_test_footer(tc_name)
|
|
|
|
|
|
def test_ospf_dead_tc11_p0(request):
|
|
"""
|
|
OSPF timers.
|
|
|
|
Verify OSPF interface timer dead interval functionality
|
|
"""
|
|
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():
|
|
pytest.skip(tgen.errors)
|
|
|
|
global topo
|
|
step("Bring up the base config as per the topology")
|
|
reset_config_on_routers(tgen)
|
|
|
|
step("modify dead interval from default value to some other value on r1")
|
|
|
|
topo1 = {
|
|
"r1": {
|
|
"links": {
|
|
"r0": {
|
|
"interface": topo["routers"]["r1"]["links"]["r0"]["interface"],
|
|
"ospf": {"hello_interval": 12, "dead_interval": 48},
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
result = create_interfaces_cfg(tgen, topo1)
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
|
|
|
step(
|
|
"verify that new timer value is configured and applied using "
|
|
"the show ip ospf interface command."
|
|
)
|
|
dut = "r1"
|
|
input_dict = {"r1": {"links": {"r0": {"ospf": {"timerDeadSecs": 48}}}}}
|
|
result = verify_ospf_interface(tgen, topo, dut=dut, input_dict=input_dict)
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
|
|
|
step("modify dead interval from default value to r1" "dead interval timer on r2")
|
|
|
|
topo1 = {
|
|
"r0": {
|
|
"links": {
|
|
"r1": {
|
|
"interface": topo["routers"]["r0"]["links"]["r1"]["interface"],
|
|
"ospf": {"dead_interval": 48, "hello_interval": 12},
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
result = create_interfaces_cfg(tgen, topo1)
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
|
|
|
step("verify that new timer value is configured.")
|
|
input_dict = {"r0": {"links": {"r1": {"ospf": {"timerDeadSecs": 48}}}}}
|
|
dut = "r0"
|
|
result = verify_ospf_interface(tgen, topo, dut=dut, input_dict=input_dict)
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
|
|
|
step("verify that ospf neighbours are full")
|
|
ospf_covergence = verify_ospf_neighbor(tgen, topo, dut=dut)
|
|
assert ospf_covergence is True, "setup_module :Failed \n Error:" " {}".format(
|
|
ospf_covergence
|
|
)
|
|
|
|
step("reconfigure the default dead interval timer value to " "default on r1 and r2")
|
|
topo1 = {
|
|
"r0": {
|
|
"links": {
|
|
"r1": {
|
|
"interface": topo["routers"]["r0"]["links"]["r1"]["interface"],
|
|
"ospf": {"dead_interval": 40},
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
result = create_interfaces_cfg(tgen, topo1)
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
|
|
|
topo1 = {
|
|
"r1": {
|
|
"links": {
|
|
"r0": {
|
|
"interface": topo["routers"]["r1"]["links"]["r0"]["interface"],
|
|
"ospf": {"dead_interval": 40},
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
result = create_interfaces_cfg(tgen, topo1)
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
|
|
|
step("verify that new timer value is configured.")
|
|
input_dict = {"r0": {"links": {"r1": {"ospf": {"timerDeadSecs": 40}}}}}
|
|
dut = "r0"
|
|
result = verify_ospf_interface(tgen, topo, dut=dut, input_dict=input_dict)
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
|
|
|
step("verify that ospf neighbours are full")
|
|
ospf_covergence = verify_ospf_neighbor(tgen, topo, dut=dut)
|
|
assert ospf_covergence is True, "setup_module :Failed \n Error:" " {}".format(
|
|
ospf_covergence
|
|
)
|
|
|
|
step(" Configure dead timer = 65535 on r1 and r2")
|
|
|
|
topo1 = {
|
|
"r0": {
|
|
"links": {
|
|
"r1": {
|
|
"interface": topo["routers"]["r0"]["links"]["r1"]["interface"],
|
|
"ospf": {"dead_interval": 65535},
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
result = create_interfaces_cfg(tgen, topo1)
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
|
|
|
topo1 = {
|
|
"r1": {
|
|
"links": {
|
|
"r0": {
|
|
"interface": topo["routers"]["r1"]["links"]["r0"]["interface"],
|
|
"ospf": {"dead_interval": 65535},
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
result = create_interfaces_cfg(tgen, topo1)
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
|
|
|
step("verify that new timer value is configured.")
|
|
input_dict = {"r0": {"links": {"r1": {"ospf": {"timerDeadSecs": 65535}}}}}
|
|
dut = "r0"
|
|
result = verify_ospf_interface(tgen, topo, dut=dut, input_dict=input_dict)
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
|
|
|
step("verify that ospf neighbours are full")
|
|
ospf_covergence = verify_ospf_neighbor(tgen, topo, dut=dut)
|
|
assert ospf_covergence is True, "setup_module :Failed \n Error:" " {}".format(
|
|
ospf_covergence
|
|
)
|
|
|
|
step(" Try configuring timer values outside range for example 65536")
|
|
topo1 = {
|
|
"r0": {
|
|
"links": {
|
|
"r1": {
|
|
"interface": topo["routers"]["r0"]["links"]["r1"]["interface"],
|
|
"ospf": {"dead_interval": 65536},
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
result = create_interfaces_cfg(tgen, topo1)
|
|
assert result is not True, "Testcase {} : Failed \n Error: {}".format(
|
|
tc_name, result
|
|
)
|
|
|
|
step("Unconfigure the dead timer from the interface from r1 and r2.")
|
|
|
|
topo1 = {
|
|
"r1": {
|
|
"links": {
|
|
"r0": {
|
|
"interface": topo["routers"]["r1"]["links"]["r0"]["interface"],
|
|
"ospf": {"dead_interval": 65535},
|
|
"delete": True,
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
result = create_interfaces_cfg(tgen, topo1)
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
|
|
|
step(
|
|
"Verify that timer value is deleted from intf & " "set to default value 40 sec."
|
|
)
|
|
input_dict = {"r1": {"links": {"r0": {"ospf": {"timerDeadSecs": 40}}}}}
|
|
dut = "r1"
|
|
result = verify_ospf_interface(tgen, topo, dut=dut, input_dict=input_dict)
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
|
|
|
write_test_footer(tc_name)
|
|
|
|
|
|
def test_ospf_tc4_mtu_ignore_p0(request):
|
|
"""
|
|
OSPF NFSM - MTU change
|
|
|
|
Verify NFSM events when ospf nbr changes with different MTU values
|
|
"""
|
|
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():
|
|
pytest.skip(tgen.errors)
|
|
|
|
global topo
|
|
step(" Bring up the base config as per the topology")
|
|
step("Configure OSPF on all the routers of the topology.")
|
|
step("Verify that OSPF neighbors are FULL.")
|
|
reset_config_on_routers(tgen)
|
|
result = verify_ospf_neighbor(tgen, topo)
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
|
|
|
step(
|
|
"Modify the MTU to non default Value on R0 to R1 interface. "
|
|
"Reset ospf neighbors on R0."
|
|
)
|
|
|
|
rtr0 = tgen.routers()["r0"]
|
|
rtr1 = tgen.routers()["r1"]
|
|
|
|
r0_r1_intf = topo["routers"]["r0"]["links"]["r1"]["interface"]
|
|
r1_r0_intf = topo["routers"]["r1"]["links"]["r0"]["interface"]
|
|
|
|
rtr0.run("ip link set {} mtu 1200".format(r0_r1_intf))
|
|
|
|
clear_ospf(tgen, "r0")
|
|
|
|
step(
|
|
"Verify that OSPF neighborship between R0 and R1 is stuck in Exstart" " State."
|
|
)
|
|
result = verify_ospf_neighbor(tgen, topo, expected=False)
|
|
assert result is not True, (
|
|
"Testcase {} : Failed \n OSPF nbrs are Full "
|
|
"instead of Exstart. Error: {}".format(tc_name, result)
|
|
)
|
|
|
|
step(
|
|
"Verify that configured MTU value is updated in the show ip " "ospf interface."
|
|
)
|
|
|
|
dut = "r0"
|
|
input_dict = {"r0": {"links": {"r1": {"ospf": {"mtuBytes": 1200}}}}}
|
|
result = verify_ospf_interface(tgen, topo, dut=dut, input_dict=input_dict)
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
|
|
|
step(
|
|
"Modify the MTU to non default Value on R0 to R1 interface. "
|
|
"Reset ospf neighbors on R0."
|
|
)
|
|
rtr0.run("ip link set {} mtu 1500".format(r0_r1_intf))
|
|
|
|
clear_ospf(tgen, "r0")
|
|
|
|
step("Verify that OSPF neighborship between R0 and R1 becomes full.")
|
|
result = verify_ospf_neighbor(tgen, topo)
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
|
|
|
step(
|
|
"Configure mtu ignore and change the value of the mtu to non default"
|
|
" on R0 to R1 interface. Reset ospf neighbors on R0."
|
|
)
|
|
r0_ospf_mtu = {"r0": {"links": {"r1": {"ospf": {"mtu_ignore": True}}}}}
|
|
result = config_ospf_interface(tgen, topo, r0_ospf_mtu)
|
|
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
|
|
|
|
dut = "r0"
|
|
input_dict = {"r0": {"links": {"r1": {"ospf": {"mtuMismatchDetect": True}}}}}
|
|
result = verify_ospf_interface(tgen, topo, dut=dut, input_dict=input_dict)
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
|
|
|
r1_ospf_mtu = {"r1": {"links": {"r0": {"ospf": {"mtu_ignore": True}}}}}
|
|
result = config_ospf_interface(tgen, topo, r1_ospf_mtu)
|
|
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
|
|
|
|
rtr0.run("ip link set {} mtu 1200".format(r0_r1_intf))
|
|
|
|
clear_ospf(tgen, "r0")
|
|
|
|
step("Verify that OSPF neighborship between R0 and R1 becomes full.")
|
|
result = verify_ospf_neighbor(tgen, topo)
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
|
|
|
step(
|
|
"Unconfigure mtu-ignore command from the interface. "
|
|
"Reset ospf neighbors on R0."
|
|
)
|
|
|
|
r1_ospf_mtu = {
|
|
"r1": {"links": {"r0": {"ospf": {"mtu_ignore": True, "del_action": True}}}}
|
|
}
|
|
result = config_ospf_interface(tgen, topo, r1_ospf_mtu)
|
|
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
|
|
|
|
clear_ospf(tgen, "r0")
|
|
|
|
step(
|
|
"Verify that OSPF neighborship between R0 and R1 is stuck in Exstart" " State."
|
|
)
|
|
result = verify_ospf_neighbor(tgen, topo, expected=False)
|
|
assert result is not True, (
|
|
"Testcase {} : Failed \n OSPF nbrs are Full "
|
|
"instead of Exstart. Error: {}".format(tc_name, result)
|
|
)
|
|
|
|
step("Modify the MTU to again default valaue on R0 to R1 interface.")
|
|
|
|
rtr0.run("ip link set {} mtu 1500".format(r0_r1_intf))
|
|
|
|
clear_ospf(tgen, "r0")
|
|
|
|
step("Verify that OSPF neighborship between R0 and R1 becomes full.")
|
|
result = verify_ospf_neighbor(tgen, topo)
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
|
|
|
step(
|
|
"Configure ospf interface with jumbo MTU (9216)." "Reset ospf neighbors on R0."
|
|
)
|
|
|
|
rtr0.run("ip link set {} mtu 9216".format(r0_r1_intf))
|
|
rtr1.run("ip link set {} mtu 9216".format(r1_r0_intf))
|
|
|
|
clear_ospf(tgen, "r0")
|
|
clear_ospf(tgen, "r1")
|
|
|
|
step("Verify that OSPF neighborship between R0 and R1 becomes full.")
|
|
result = verify_ospf_neighbor(tgen, topo)
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
|
|
|
step("Verify that jumbo MTU is updated in the show ip ospf interface.")
|
|
dut = "r0"
|
|
input_dict = {"r0": {"links": {"r1": {"ospf": {"mtuBytes": 9216}}}}}
|
|
result = verify_ospf_interface(tgen, topo, dut=dut, input_dict=input_dict)
|
|
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))
|