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tests: Adding 3 ospf chaos testcases.
This script involves Restart ospfd, restart frr with ospf enabled, staticd with redistribution inside ospf is enabled Signed-off-by: nguggarigoud <nguggarigoud@vmware.com>
This commit is contained in:
nguggarigoud
parent
f10f8f0e98
commit
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166
tests/topotests/ospf_basic_functionality/ospf_chaos.json
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166
tests/topotests/ospf_basic_functionality/ospf_chaos.json
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@ -0,0 +1,166 @@
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{
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"ipv4base": "10.0.0.0",
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"ipv4mask": 24,
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"link_ip_start": {
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"ipv4": "10.0.0.0",
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"v4mask": 24
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},
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"lo_prefix": {
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"ipv4": "1.0.",
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"v4mask": 32
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},
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"routers": {
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"r0": {
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"links": {
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"r1": {
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"ipv4": "auto",
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"ospf": {
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"area": "0.0.0.0",
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"hello_interval": 1,
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"dead_interval": 4
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}
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},
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"r2": {
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"ipv4": "auto",
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"ospf": {
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"area": "0.0.0.0",
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"hello_interval": 1,
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"dead_interval": 4
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}
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},
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"r3": {
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"ipv4": "auto",
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"ospf": {
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"area": "0.0.0.0",
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"hello_interval": 1,
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"dead_interval": 4
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}
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}
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},
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"ospf": {
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"router_id": "100.1.1.0",
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"neighbors": {
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"r1": {},
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"r2": {},
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"r3": {}
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},
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"redistribute": [{
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"redist_type": "static"
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},
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{
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"redist_type": "connected"
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}
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]
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}
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},
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"r1": {
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"links": {
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"r0": {
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"ipv4": "auto",
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"ospf": {
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"area": "0.0.0.0",
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"hello_interval": 1,
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"dead_interval": 4
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}
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},
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"r2": {
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"ipv4": "auto",
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"ospf": {
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"area": "0.0.0.0",
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"hello_interval": 1,
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"dead_interval": 4
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}
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},
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"r3": {
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"ipv4": "auto",
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"ospf": {
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"area": "0.0.0.0",
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"hello_interval": 1,
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"dead_interval": 4
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}
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}
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},
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"ospf": {
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"router_id": "100.1.1.1",
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"neighbors": {
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"r0": {},
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"r2": {},
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"r3": {}
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}
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}
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},
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"r2": {
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"links": {
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"r0": {
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"ipv4": "auto",
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"ospf": {
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"area": "0.0.0.0",
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"hello_interval": 1,
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"dead_interval": 4
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}
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},
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"r1": {
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"ipv4": "auto",
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"ospf": {
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"area": "0.0.0.0",
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"hello_interval": 1,
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"dead_interval": 4
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}
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},
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"r3": {
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"ipv4": "auto",
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"ospf": {
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"area": "0.0.0.0",
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"hello_interval": 1,
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"dead_interval": 4
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}
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}
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},
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"ospf": {
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"router_id": "100.1.1.2",
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"neighbors": {
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"r1": {},
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"r0": {},
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"r3": {}
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}
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}
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},
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"r3": {
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"links": {
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"r0": {
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"ipv4": "auto",
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"ospf": {
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"area": "0.0.0.0",
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"hello_interval": 1,
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"dead_interval": 4
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}
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},
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"r1": {
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"ipv4": "auto",
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"ospf": {
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"area": "0.0.0.0",
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"hello_interval": 1,
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"dead_interval": 4
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}
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},
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"r2": {
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"ipv4": "auto",
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"ospf": {
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"area": "0.0.0.0",
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"hello_interval": 1,
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"dead_interval": 4
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}
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}
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},
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"ospf": {
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"router_id": "100.1.1.3",
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"neighbors": {
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"r0": {},
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"r1": {},
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"r2": {}
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}
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}
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}
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}
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}
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576
tests/topotests/ospf_basic_functionality/test_ospf_chaos.py
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576
tests/topotests/ospf_basic_functionality/test_ospf_chaos.py
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#!/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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import 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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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 mininet.topo import Topo
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from lib.topogen import Topogen, get_topogen
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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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shutdown_bringup_interface,
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topo_daemons,
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verify_rib,
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stop_router, start_router,
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create_static_routes,
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start_router_daemons,
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kill_router_daemons
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)
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from lib.ospf import (
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verify_ospf_neighbor, verify_ospf_rib,
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create_router_ospf)
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from lib.topolog import logger
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from lib.topojson import build_topo_from_json, build_config_from_json
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from ipaddress import IPv4Address
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# Global variables
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topo = None
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NETWORK = {
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"ipv4": ["11.0.20.1/32", "11.0.20.2/32", "11.0.20.3/32", "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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Topology:
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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 functionality after restart ospfd.
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2. Verify ospf functionality after restart FRR service.
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3. Verify ospf functionality when staticd is restarted.
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"""
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# Reading the data from JSON File for topology creation
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jsonFile = "{}/ospf_chaos.json".format(CWD)
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try:
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with open(jsonFile, "r") as topoJson:
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topo = json.load(topoJson)
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except IOError:
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assert False, "Could not read file {}".format(jsonFile)
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class CreateTopo(Topo):
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"""
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Test topology builder.
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* `Topo`: Topology object
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"""
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def build(self, *_args, **_opts):
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"""Build function."""
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tgen = get_topogen(self)
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# Building topology from json file
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build_topo_from_json(tgen, topo)
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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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tgen = Topogen(CreateTopo, mod.__name__)
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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 deamons 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_chaos_tc31_p1(request):
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"""Verify ospf functionality after restart ospfd."""
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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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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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"Create static routes(10.0.20.1/32) in R1 and redistribute "
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"to OSPF using route map.")
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# Create Static routes
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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(
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tc_name, result)
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ospf_red_r0 = {
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"r0": {
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"ospf": {
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"redistribute": [{
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"redist_type": "static"
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}]
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}
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}
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}
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result = create_router_ospf(tgen, topo, ospf_red_r0)
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assert result is True, "Testcase {} : Failed \n Error: {}".format(
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tc_name, result)
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step("Verify OSPF neighbors after base config is done.")
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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:"
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" {}".format(ospf_covergence))
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step("Verify that route is advertised to R1.")
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dut = 'r1'
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protocol = 'ospf'
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nh = topo['routers']['r0']['links']['r1']['ipv4'].split('/')[0]
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result = verify_ospf_rib(tgen, dut, input_dict, next_hop=nh)
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assert result is True, "Testcase {} : Failed \n Error: {}".format(
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tc_name, result)
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result = verify_rib(
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tgen, "ipv4", dut, input_dict, protocol=protocol, next_hop=nh)
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assert result is True, "Testcase {} : Failed \n Error: {}".format(
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tc_name, result)
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step("Kill OSPFd daemon on R0.")
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kill_router_daemons(tgen, "r0", ["ospfd"])
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step("Verify OSPF neighbors are down after killing ospfd in R0")
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dut = 'r0'
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# Api call verify whether OSPF is converged
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ospf_covergence = verify_ospf_neighbor(tgen, topo, dut=dut,
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expected=False)
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assert ospf_covergence is not True, ("setup_module :Failed \n Error:"
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" {}".format(ospf_covergence))
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step("Verify that route advertised to R1 are deleted from RIB and FIB.")
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dut = 'r1'
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protocol = 'ospf'
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result = verify_ospf_rib(tgen, dut, input_dict, expected=False)
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assert result is not True, "Testcase {} : Failed \n Error: {}".format(
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tc_name, result)
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result = verify_rib(tgen, "ipv4", dut, input_dict, protocol=protocol,
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expected=False)
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assert result is not True, "Testcase {} : Failed \n Error: {}".format(
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tc_name, result)
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step("Bring up OSPFd daemon on R0.")
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start_router_daemons(tgen, "r0", ["ospfd"])
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step("Verify OSPF neighbors are up after bringing back ospfd in R0")
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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:"
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" {}".format(ospf_covergence))
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step(
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"All the neighbours are up and routes are installed before the"
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" restart. Verify OSPF route table and ip route table.")
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dut = 'r1'
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protocol = 'ospf'
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result = verify_ospf_rib(tgen, dut, input_dict, next_hop=nh)
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assert result is True, "Testcase {} : Failed \n Error: {}".format(
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tc_name, result)
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result = verify_rib(tgen, "ipv4", dut, input_dict, protocol=protocol,
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next_hop=nh)
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assert result is True, "Testcase {} : Failed \n Error: {}".format(
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tc_name, result)
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step("Kill OSPFd daemon on R1.")
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kill_router_daemons(tgen, "r1", ["ospfd"])
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step("Verify OSPF neighbors are down after killing ospfd in R1")
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dut = 'r1'
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# Api call verify whether OSPF is converged
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ospf_covergence = verify_ospf_neighbor(tgen, topo, dut=dut,
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expected=False)
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assert ospf_covergence is not True, ("setup_module :Failed \n Error:"
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" {}".format(ospf_covergence))
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step("Bring up OSPFd daemon on R1.")
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start_router_daemons(tgen, "r1", ["ospfd"])
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step("Verify OSPF neighbors are up after bringing back ospfd in R1")
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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:"
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" {}".format(ospf_covergence))
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step(
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"All the neighbours are up and routes are installed before the"
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" restart. Verify OSPF route table and ip route table.")
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dut = 'r1'
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protocol = 'ospf'
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result = verify_ospf_rib(tgen, dut, input_dict, next_hop=nh)
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assert result is True, "Testcase {} : Failed \n Error: {}".format(
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tc_name, result)
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result = verify_rib(tgen, "ipv4", dut, input_dict, protocol=protocol,
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next_hop=nh)
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assert result is True, "Testcase {} : Failed \n Error: {}".format(
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tc_name, result)
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||||
|
||||
write_test_footer(tc_name)
|
||||
|
||||
|
||||
def test_ospf_chaos_tc32_p1(request):
|
||||
"""Verify ospf functionality after restart FRR service. """
|
||||
tc_name = request.node.name
|
||||
write_test_header(tc_name)
|
||||
tgen = get_topogen()
|
||||
global topo
|
||||
step("Bring up the base config as per the topology")
|
||||
reset_config_on_routers(tgen)
|
||||
|
||||
step(
|
||||
"Create static routes(10.0.20.1/32) in R1 and redistribute "
|
||||
"to OSPF using route map.")
|
||||
|
||||
# Create Static routes
|
||||
input_dict = {
|
||||
"r0": {
|
||||
"static_routes": [
|
||||
{
|
||||
"network": NETWORK['ipv4'][0],
|
||||
"no_of_ip": 5,
|
||||
"next_hop": 'Null0',
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
result = create_static_routes(tgen, input_dict)
|
||||
assert result is True, "Testcase {} : Failed \n Error: {}".format(
|
||||
tc_name, result)
|
||||
|
||||
ospf_red_r0 = {
|
||||
"r0": {
|
||||
"ospf": {
|
||||
"redistribute": [{
|
||||
"redist_type": "static"
|
||||
}]
|
||||
}
|
||||
}
|
||||
}
|
||||
result = create_router_ospf(tgen, topo, ospf_red_r0)
|
||||
assert result is True, "Testcase {} : Failed \n Error: {}".format(
|
||||
tc_name, result)
|
||||
|
||||
step("Verify OSPF neighbors after base config is done.")
|
||||
# Api call verify whether OSPF is converged
|
||||
ospf_covergence = verify_ospf_neighbor(tgen, topo)
|
||||
assert ospf_covergence is True, ("setup_module :Failed \n Error:"
|
||||
" {}".format(ospf_covergence))
|
||||
|
||||
step("Verify that route is advertised to R1.")
|
||||
dut = 'r1'
|
||||
protocol = 'ospf'
|
||||
|
||||
nh = topo['routers']['r0']['links']['r1']['ipv4'].split('/')[0]
|
||||
result = verify_ospf_rib(tgen, dut, input_dict, next_hop=nh)
|
||||
assert result is True, "Testcase {} : Failed \n Error: {}".format(
|
||||
tc_name, result)
|
||||
|
||||
result = verify_rib(tgen, "ipv4", dut, input_dict, protocol=protocol,
|
||||
next_hop=nh)
|
||||
assert result is True, "Testcase {} : Failed \n Error: {}".format(
|
||||
tc_name, result)
|
||||
|
||||
step("Restart frr on R0")
|
||||
stop_router(tgen, 'r0')
|
||||
start_router(tgen, 'r0')
|
||||
|
||||
step("Verify OSPF neighbors are up after restarting R0")
|
||||
# Api call verify whether OSPF is converged
|
||||
ospf_covergence = verify_ospf_neighbor(tgen, topo)
|
||||
assert ospf_covergence is True, ("setup_module :Failed \n Error:"
|
||||
" {}".format(ospf_covergence))
|
||||
|
||||
step(
|
||||
"All the neighbours are up and routes are installed before the"
|
||||
" restart. Verify OSPF route table and ip route table.")
|
||||
dut = 'r1'
|
||||
protocol = 'ospf'
|
||||
result = verify_ospf_rib(tgen, dut, input_dict, next_hop=nh)
|
||||
assert result is True, "Testcase {} : Failed \n Error: {}".format(
|
||||
tc_name, result)
|
||||
|
||||
result = verify_rib(tgen, "ipv4", dut, input_dict, protocol=protocol,
|
||||
next_hop=nh)
|
||||
assert result is True, "Testcase {} : Failed \n Error: {}".format(
|
||||
tc_name, result)
|
||||
|
||||
step("Restart frr on R1")
|
||||
stop_router(tgen, 'r1')
|
||||
start_router(tgen, 'r1')
|
||||
|
||||
step("Verify OSPF neighbors are up after restarting R1")
|
||||
# Api call verify whether OSPF is converged
|
||||
ospf_covergence = verify_ospf_neighbor(tgen, topo)
|
||||
assert ospf_covergence is True, ("setup_module :Failed \n Error:"
|
||||
" {}".format(ospf_covergence))
|
||||
|
||||
step(
|
||||
"All the neighbours are up and routes are installed before the"
|
||||
" restart. Verify OSPF route table and ip route table.")
|
||||
dut = 'r1'
|
||||
protocol = 'ospf'
|
||||
result = verify_ospf_rib(tgen, dut, input_dict, next_hop=nh)
|
||||
assert result is True, "Testcase {} : Failed \n Error: {}".format(
|
||||
tc_name, result)
|
||||
|
||||
result = verify_rib(tgen, "ipv4", dut, input_dict, protocol=protocol,
|
||||
next_hop=nh)
|
||||
assert result is True, "Testcase {} : Failed \n Error: {}".format(
|
||||
tc_name, result)
|
||||
|
||||
write_test_footer(tc_name)
|
||||
|
||||
|
||||
def test_ospf_chaos_tc34_p1(request):
|
||||
"""
|
||||
verify ospf functionality when staticd is restarted.
|
||||
|
||||
Verify ospf functionalitywhen staticroutes are
|
||||
redistributed & Staticd is restarted.
|
||||
"""
|
||||
tc_name = request.node.name
|
||||
write_test_header(tc_name)
|
||||
tgen = get_topogen()
|
||||
global topo
|
||||
step("Bring up the base config as per the topology")
|
||||
reset_config_on_routers(tgen)
|
||||
|
||||
step(
|
||||
"Create static routes(10.0.20.1/32) in R1 and redistribute "
|
||||
"to OSPF using route map.")
|
||||
|
||||
# Create Static routes
|
||||
input_dict = {
|
||||
"r0": {
|
||||
"static_routes": [
|
||||
{
|
||||
"network": NETWORK['ipv4'][0],
|
||||
"no_of_ip": 5,
|
||||
"next_hop": 'Null0',
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
result = create_static_routes(tgen, input_dict)
|
||||
assert result is True, "Testcase {} : Failed \n Error: {}".format(
|
||||
tc_name, result)
|
||||
|
||||
ospf_red_r0 = {
|
||||
"r0": {
|
||||
"ospf": {
|
||||
"redistribute": [{
|
||||
"redist_type": "static"
|
||||
}]
|
||||
}
|
||||
}
|
||||
}
|
||||
result = create_router_ospf(tgen, topo, ospf_red_r0)
|
||||
assert result is True, "Testcase {} : Failed \n Error: {}".format(
|
||||
tc_name, result)
|
||||
|
||||
step("Verify OSPF neighbors after base config is done.")
|
||||
# Api call verify whether OSPF is converged
|
||||
ospf_covergence = verify_ospf_neighbor(tgen, topo)
|
||||
assert ospf_covergence is True, ("setup_module :Failed \n Error:"
|
||||
" {}".format(ospf_covergence))
|
||||
|
||||
step("Verify that route is advertised to R1.")
|
||||
dut = 'r1'
|
||||
protocol = 'ospf'
|
||||
nh = topo['routers']['r0']['links']['r1']['ipv4'].split('/')[0]
|
||||
result = verify_ospf_rib(tgen, dut, input_dict, next_hop=nh)
|
||||
assert result is True, "Testcase {} : Failed \n Error: {}".format(
|
||||
tc_name, result)
|
||||
|
||||
result = verify_rib(tgen, "ipv4", dut, input_dict, protocol=protocol,
|
||||
next_hop=nh)
|
||||
assert result is True, "Testcase {} : Failed \n Error: {}".format(
|
||||
tc_name, result)
|
||||
|
||||
step("Kill staticd daemon on R0.")
|
||||
kill_router_daemons(tgen, "r0", ["staticd"])
|
||||
|
||||
step("Verify that route advertised to R1 are deleted from RIB and FIB.")
|
||||
dut = 'r1'
|
||||
protocol = 'ospf'
|
||||
result = verify_ospf_rib(tgen, dut, input_dict, expected=False)
|
||||
assert result is not True, "Testcase {} : Failed \n Error: {}".format(
|
||||
tc_name, result)
|
||||
|
||||
result = verify_rib(tgen, "ipv4", dut, input_dict, protocol=protocol,
|
||||
expected=False)
|
||||
assert result is not True, "Testcase {} : Failed \n Error: {}".format(
|
||||
tc_name, result)
|
||||
|
||||
step("Bring up staticd daemon on R0.")
|
||||
start_router_daemons(tgen, "r0", ["staticd"])
|
||||
|
||||
step("Verify OSPF neighbors are up after bringing back ospfd in R0")
|
||||
# Api call verify whether OSPF is converged
|
||||
ospf_covergence = verify_ospf_neighbor(tgen, topo)
|
||||
assert ospf_covergence is True, ("setup_module :Failed \n Error:"
|
||||
" {}".format(ospf_covergence))
|
||||
|
||||
step(
|
||||
"All the neighbours are up and routes are installed before the"
|
||||
" restart. Verify OSPF route table and ip route table.")
|
||||
dut = 'r1'
|
||||
protocol = 'ospf'
|
||||
result = verify_ospf_rib(tgen, dut, input_dict, next_hop=nh)
|
||||
assert result is True, "Testcase {} : Failed \n Error: {}".format(
|
||||
tc_name, result)
|
||||
|
||||
result = verify_rib(tgen, "ipv4", dut, input_dict, protocol=protocol,
|
||||
next_hop=nh)
|
||||
assert result is True, "Testcase {} : Failed \n Error: {}".format(
|
||||
tc_name, result)
|
||||
|
||||
step("Kill staticd daemon on R1.")
|
||||
kill_router_daemons(tgen, "r1", ["staticd"])
|
||||
|
||||
step("Bring up staticd daemon on R1.")
|
||||
start_router_daemons(tgen, "r1", ["staticd"])
|
||||
|
||||
step("Verify OSPF neighbors are up after bringing back ospfd in R1")
|
||||
# Api call verify whether OSPF is converged
|
||||
ospf_covergence = verify_ospf_neighbor(tgen, topo)
|
||||
assert ospf_covergence is True, ("setup_module :Failed \n Error:"
|
||||
" {}".format(ospf_covergence))
|
||||
|
||||
step(
|
||||
"All the neighbours are up and routes are installed before the"
|
||||
" restart. Verify OSPF route table and ip route table.")
|
||||
|
||||
dut = 'r1'
|
||||
protocol = 'ospf'
|
||||
result = verify_ospf_rib(tgen, dut, input_dict, next_hop=nh)
|
||||
assert result is True, "Testcase {} : Failed \n Error: {}".format(
|
||||
tc_name, result)
|
||||
|
||||
result = verify_rib(tgen, "ipv4", dut, input_dict, protocol=protocol,
|
||||
next_hop=nh)
|
||||
assert result is True, "Testcase {} : Failed \n Error: {}".format(
|
||||
tc_name, result)
|
||||
|
||||
write_test_footer(tc_name)
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
args = ["-s"] + sys.argv[1:]
|
||||
sys.exit(pytest.main(args))
|
||||
Loading…
Reference in New Issue
Block a user