570 lines
17 KiB
Python
570 lines
17 KiB
Python
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#!/usr/bin/python
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# SPDX-License-Identifier: ISC
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#
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# Copyright (c) 2021 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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"""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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import ipaddress
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from lib.ospf import (
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verify_ospf6_neighbor,
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verify_ospf6_rib,
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create_router_ospf,
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)
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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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from lib.topolog import logger
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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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verify_rib,
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create_static_routes,
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step,
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create_interfaces_cfg,
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check_router_status,
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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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# 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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pytestmark = [pytest.mark.ospfd, pytest.mark.staticd]
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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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"ipv6": [
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"2011:0:20::1/128",
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"2011:0:20::2/128",
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"2011:0:20::3/128",
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"2011:0:20::4/128",
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"2011:0:20::5/128",
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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. OSPF Learning - Verify OSPF can learn different types of LSA and
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processes them.[Edge learning different types of LSAs]
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2. Verify that ospf non back bone area can be configured as NSSA area
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3. Verify that ospf NSSA area DUT is capable receiving & processing
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Type7 N2 route.
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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 = "{}/ospfv3_nssa2.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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# 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_ospf6_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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"""Teardown the pytest environment."""
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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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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: {"ospf6": {"redistribute": [{"redist_type": "static"}]}}}
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else:
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ospf_red = {
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dut: {
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"ospf6": {"redistribute": [{"redist_type": "static", "delete": True}]}
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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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def red_connected(dut, config=True):
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"""Local def for Redstribute connected 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: {"ospf6": {"redistribute": [{"redist_type": "connected"}]}}}
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else:
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ospf_red = {
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dut: {
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"ospf6": {
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"redistribute": [{"redist_type": "connected", "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_ospfv3_nssa_tc26_p0(request):
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"""Verify that ospf non back bone area can be configured as NSSA area"""
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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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step("Configure ospf area 2 on r0 , r1 & r4, make the area 2 as NSSA area")
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reset_config_on_routers(tgen)
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input_dict = {
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"r2": {
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"static_routes": [
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{"network": NETWORK["ipv6"][0], "no_of_ip": 5, "next_hop": "Null0"}
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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("Redistribute static route in R2 ospf.")
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dut = "r2"
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red_static(dut)
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step("Verify that Type 5 LSA is originated by R2.")
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dut = "r0"
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protocol = "ospf6"
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result = verify_rib(tgen, "ipv6", dut, input_dict, protocol=protocol)
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assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
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step("Un configure redistribute command in R4")
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dut = "r2"
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red_static(dut, config=False)
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input_dict = {
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"r1": {
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"static_routes": [
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{"network": NETWORK["ipv6"][0], "no_of_ip": 1, "routeType": "Network"}
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]
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}
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}
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step("Configure area 0 on interface of r2 connecting to r1")
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input_dict = {
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"r2": {
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"links": {
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"r1": {
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"interface": topo["routers"]["r2"]["links"]["r1"]["interface"],
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"ospf6": {"area": "0.0.0.2"},
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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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"r2": {
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"links": {
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"r1": {
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"interface": topo["routers"]["r2"]["links"]["r1"]["interface"],
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"ospf6": {"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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step("verify that ospf neighbor goes down between r2 and r1.")
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result = verify_ospf6_neighbor(tgen, topo, dut="r2", expected=False)
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assert (
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result is not True
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), "Testcase {} : Failed \n Nbrs are not down Error: {}".format(tc_name, result)
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step("Now configure area 0 on interface of r1 connecting to r2.")
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input_dict = {
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"r1": {
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"links": {
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"r2": {
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"interface": topo["routers"]["r1"]["links"]["r2"]["interface"],
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"ospf6": {"area": "0.0.0.2"},
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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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"r1": {
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"links": {
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"r2": {
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"interface": topo["routers"]["r1"]["links"]["r2"]["interface"],
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"ospf6": {"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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step("Verify that ospf neighbour comes up between r2 and r1.")
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result = verify_ospf6_neighbor(tgen, topo, dut="r2")
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assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
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step("Configure area 2 on interface of r2 connecting to r1.")
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input_dict = {
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"r2": {
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"links": {
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"r1": {
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"interface": topo["routers"]["r2"]["links"]["r1"]["interface"],
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"ospf6": {"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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"r2": {
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"links": {
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"r1": {
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"interface": topo["routers"]["r2"]["links"]["r1"]["interface"],
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"ospf6": {"area": "0.0.0.2"},
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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 ospf neighbor goes down between r2 and r1.")
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result = verify_ospf6_neighbor(tgen, topo, dut="r2", expected=False)
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assert (
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result is not True
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), "Testcase {} : Failed \n Nbrs are not down Error: {}".format(tc_name, result)
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step("Now configure area 2 on interface of r1 connecting to r2.")
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input_dict = {
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"r1": {
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"links": {
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"r2": {
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"interface": topo["routers"]["r1"]["links"]["r2"]["interface"],
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"ospf6": {"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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"r1": {
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"links": {
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"r2": {
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"interface": topo["routers"]["r1"]["links"]["r2"]["interface"],
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"ospf6": {"area": "0.0.0.2"},
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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 ospf neighbour comes up between r2 and r1.")
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result = verify_ospf6_neighbor(tgen, topo, dut="r2")
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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_ospfv3_learning_tc15_p0(request):
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"""Verify OSPF can learn different types of LSA and processes them.
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OSPF Learning : Edge learning different types of LSAs.
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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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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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step("Configure area 1 as NSSA Area")
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reset_config_on_routers(tgen)
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step("Verify that Type 3 summary LSA is originated for the same Area 0")
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ip = topo["routers"]["r1"]["links"]["r3-link0"]["ipv6"]
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ip_net = str(ipaddress.ip_interface("{}".format(ip)).network)
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input_dict = {
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"r1": {
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"static_routes": [
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{
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"network": ip_net,
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"no_of_ip": 1,
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"routeType": "Network",
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"pathtype": "Inter-Area",
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}
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]
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}
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}
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dut = "r0"
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result = verify_ospf6_rib(tgen, dut, input_dict)
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assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
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protocol = "ospf6"
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result = verify_rib(tgen, "ipv6", dut, input_dict, protocol=protocol)
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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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"r2": {
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"static_routes": [
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{"network": NETWORK["ipv6"][0], "no_of_ip": 5, "next_hop": "Null0"}
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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("Redistribute static route in R2 ospf.")
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dut = "r2"
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red_static(dut)
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step("Verify that Type 5 LSA is originated by R2.")
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dut = "r0"
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protocol = "ospf6"
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result = verify_rib(tgen, "ipv6", dut, input_dict, protocol=protocol)
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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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"r1": {
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"static_routes": [
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{"network": NETWORK["ipv6"][0], "no_of_ip": 1, "routeType": "Network"}
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]
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}
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}
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dut = "r1"
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result = verify_ospf6_rib(tgen, dut, input_dict)
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assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
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result = verify_rib(tgen, "ipv6", dut, input_dict, protocol=protocol)
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assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
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result = verify_ospf6_neighbor(tgen, topo)
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assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
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step("Change area 1 as non nssa area (on the fly changing area type on DUT).")
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for rtr in ["r1", "r2", "r3"]:
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input_dict = {
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rtr: {
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"ospf6": {"area": [{"id": "0.0.0.2", "type": "nssa", "delete": True}]}
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}
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}
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result = create_router_ospf(tgen, topo, input_dict)
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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("Verify that OSPF neighbours are reset after changing area type.")
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step("Verify that ABR R2 originates type 5 LSA in area 1.")
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step("Verify that R1 installs type 5 lsa in its database.")
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step("Verify that route is calculated and installed in R1.")
|
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|
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|
|
input_dict = {
|
||
|
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"r1": {
|
||
|
|
"static_routes": [
|
||
|
|
{"network": NETWORK["ipv6"][0], "no_of_ip": 1, "routeType": "Network"}
|
||
|
|
]
|
||
|
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}
|
||
|
|
}
|
||
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|
||
|
|
dut = "r1"
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result = verify_ospf6_rib(tgen, dut, input_dict)
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||
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
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||
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result = verify_rib(tgen, "ipv6", dut, input_dict, protocol=protocol)
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assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
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||
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write_test_footer(tc_name)
|
||
|
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|
||
|
|
|
||
|
|
# As per internal discussion, this script has to be removed as translator
|
||
|
|
# function is not supported, for more details kindly check this PR 2565570
|
||
|
|
def ospfv3_nssa_tc27_p0(request):
|
||
|
|
"""
|
||
|
|
OSPF NSSA.
|
||
|
|
|
||
|
|
Verify that ospf NSSA area DUT is capable receiving & processing
|
||
|
|
Type7 N2 route.
|
||
|
|
"""
|
||
|
|
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")
|
||
|
|
step("Configure ospf area 2 on r0 , r1 & r4, make the area 2 as NSSA area")
|
||
|
|
|
||
|
|
reset_config_on_routers(tgen)
|
||
|
|
|
||
|
|
input_dict = {
|
||
|
|
"r2": {
|
||
|
|
"static_routes": [
|
||
|
|
{"network": NETWORK["ipv6"][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("Redistribute static route in R2 ospf.")
|
||
|
|
dut = "r2"
|
||
|
|
red_static(dut)
|
||
|
|
|
||
|
|
step("Verify that Type 5 LSA is originated by R2.")
|
||
|
|
dut = "r0"
|
||
|
|
protocol = "ospf6"
|
||
|
|
result = verify_rib(tgen, "ipv6", dut, input_dict, protocol=protocol)
|
||
|
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||
|
|
|
||
|
|
step("Un configure redistribute command in R4")
|
||
|
|
dut = "r2"
|
||
|
|
red_static(dut, config=False)
|
||
|
|
|
||
|
|
input_dict = {
|
||
|
|
"r1": {
|
||
|
|
"static_routes": [
|
||
|
|
{"network": NETWORK["ipv6"][0], "no_of_ip": 1, "routeType": "Network"}
|
||
|
|
]
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
dut = "r0"
|
||
|
|
result = verify_ospf6_rib(tgen, dut, input_dict, expected=False)
|
||
|
|
assert result is not True, "Testcase {} : Failed \n Error: {}".format(
|
||
|
|
tc_name, result
|
||
|
|
)
|
||
|
|
|
||
|
|
result = verify_rib(
|
||
|
|
tgen, "ipv6", dut, input_dict, protocol=protocol, expected=False
|
||
|
|
)
|
||
|
|
assert result is not 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))
|