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tests: [PIMv6] Add test_multicast_pimv6_static_rp suite
Adding supporting multicast PIMv6 static rp test suite. Signed-off-by: Kuldeep Kashyap <kashyapk@vmware.com>
This commit is contained in:
Kuldeep Kashyap
parent
e13f9c4f31
commit
dab5ff0030
@ -0,0 +1,197 @@
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{
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"address_types": ["ipv6"],
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"ipv6base": "fd00::",
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"ipv6mask": 64,
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"link_ip_start": {
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"ipv6": "fd00::",
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"v6mask": 64
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},
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"lo_prefix": {
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"ipv6": "2001:db8:f::",
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"v6mask": 128
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},
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"routers": {
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"r0": {
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"links": {
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"r1": {"ipv6": "auto"}
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}
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},
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"r1": {
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"links": {
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"lo": {"ipv6": "auto", "type": "loopback", "pim6": "enable",
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"ospf6": {
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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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"r0": {"ipv6": "auto", "pim6": "enable"},
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"r2": {"ipv6": "auto", "pim6": "enable",
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"ospf6": {
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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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"r3": {"ipv6": "auto", "pim6": "enable",
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"ospf6": {
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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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"r4": {"ipv6": "auto", "pim6": "enable",
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"ospf6": {
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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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"ospf6": {
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"router_id": "100.1.1.0",
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"neighbors": {
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"r2": {},
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"r3": {},
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"r4": {}
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},
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"redistribute": [
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{
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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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"mld": {
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"interfaces": {
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"r1-r0-eth0" :{
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"mld":{
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}
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}
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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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"lo": {"ipv6": "auto", "type": "loopback", "pim6": "enable",
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"ospf6": {
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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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"r1": {"ipv6": "auto", "pim6": "enable",
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"ospf6": {
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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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"r3": {"ipv6": "auto", "pim6": "enable",
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"ospf6": {
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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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"ospf6": {
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"router_id": "100.1.1.1",
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"neighbors": {
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"r1": {},
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"r3": {}
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},
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"redistribute": [
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{
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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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"r3": {
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"links": {
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"lo": {"ipv6": "auto", "type": "loopback", "pim6": "enable",
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"ospf6": {
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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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"r1": {"ipv6": "auto", "pim6": "enable",
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"ospf6": {
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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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"r2": {"ipv6": "auto", "pim6": "enable",
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"ospf6": {
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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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"r4": {"ipv6": "auto", "pim6": "enable",
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"ospf6": {
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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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"r5": {"ipv6": "auto", "pim6": "enable"}
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},
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"ospf6": {
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"router_id": "100.1.1.2",
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"neighbors": {
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"r1": {},
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"r2": {},
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"r4": {}
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},
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"redistribute": [
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{
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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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"r4": {
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"links": {
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"lo": {"ipv6": "auto", "type": "loopback", "pim6": "enable",
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"ospf6": {
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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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"r1": {"ipv6": "auto", "pim6": "enable",
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"ospf6": {
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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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"r3": {"ipv6": "auto", "pim6": "enable",
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"ospf6": {
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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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"ospf6": {
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"router_id": "100.1.1.3",
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"neighbors": {
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"r1": {},
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"r3": {}
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},
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"redistribute": [
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{
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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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"r5": {
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"links": {
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"r3": {"ipv6": "auto"}
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}
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}
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}
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}
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412
tests/topotests/multicast_pim_static_rp_topo1/test_multicast_pimv6_static_rp.py
Executable file
412
tests/topotests/multicast_pim_static_rp_topo1/test_multicast_pimv6_static_rp.py
Executable file
@ -0,0 +1,412 @@
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#!/usr/bin/env python
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#
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# Copyright (c) 2022 by VMware, Inc. ("VMware")
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# Used Copyright (c) 2018 by Network Device Education Foundation,
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# Inc. ("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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"""
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Following tests are covered to test Multicast basic functionality:
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Topology:
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_______r2_____
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iperf | | iperf
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r0-----r1-------------r3-----r5
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|_____________|
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r4
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Test steps
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- Create topology (setup module)
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- Bring up topology
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TC_1 : Verify upstream interfaces(IIF) and join state are updated properly
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after adding and deleting the static RP
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TC_2 : Verify IIF and OIL in "show ip pim state" updated properly after
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adding and deleting the static RP
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TC_3: (*, G) Mroute entry are cleared when static RP gets deleted
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TC_4: Verify (*,G) prune is send towards the RP after deleting the static RP
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TC_24 : Verify (*,G) and (S,G) populated correctly when SPT and RPT share the
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same path
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"""
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import os
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import sys
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import json
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import time
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import pytest
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from time import sleep
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import datetime
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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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# Required to instantiate the topology builder class.
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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.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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kill_router_daemons,
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start_router_daemons,
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create_static_routes,
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check_router_status,
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socat_send_igmp_join_traffic,
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topo_daemons
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)
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from lib.pim import (
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create_pim_config,
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verify_igmp_groups,
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verify_upstream_iif,
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verify_join_state_and_timer,
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verify_mroutes,
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verify_pim_neighbors,
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verify_pim_interface_traffic,
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verify_pim_rp_info,
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verify_pim_state,
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clear_pim_interface_traffic,
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clear_igmp_interfaces,
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clear_pim_interfaces,
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clear_mroute,
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clear_mroute_verify,
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)
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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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# Global variables
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GROUP_RANGE_V6 = "ff08::/64"
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IGMP_JOIN_V6 = "ff08::1"
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STAR = "*"
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SOURCE = "Static"
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pytestmark = [pytest.mark.pimd]
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def build_topo(tgen):
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"""Build function"""
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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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testsuite_run_time = time.asctime(time.localtime(time.time()))
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logger.info("Testsuite start time: %s", testsuite_run_time)
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logger.info("=" * 40)
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topology = """
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_______r2_____
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iperf | | iperf
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r0-----r1-------------r3-----r5
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|_____________|
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r4
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"""
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logger.info("Master Topology: \n %s", topology)
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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 = "{}/multicast_pimv6_static_rp.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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# 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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# Creating configuration from JSON
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build_config_from_json(tgen, TOPO)
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# Verify PIM neighbors
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result = verify_pim_neighbors(tgen, TOPO)
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assert result is True, "setup_module :Failed \n Error:" " {}".format(result)
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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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logger.info("Testsuite end time: %s", time.asctime(time.localtime(time.time())))
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logger.info("=" * 40)
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#####################################################
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#
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# Testcases
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#
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#####################################################
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def verify_state_incremented(state_before, state_after):
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"""
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API to compare interface traffic state incrementing
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Parameters
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----------
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* `state_before` : State dictionary for any particular instance
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* `state_after` : State dictionary for any particular instance
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"""
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for router, state_data in state_before.items():
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for state, value in state_data.items():
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if state_before[router][state] >= state_after[router][state]:
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errormsg = (
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"[DUT: %s]: state %s value has not"
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" incremented, Initial value: %s, "
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"Current value: %s [FAILED!!]"
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% (
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router,
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state,
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state_before[router][state],
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state_after[router][state],
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)
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)
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return errormsg
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logger.info(
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"[DUT: %s]: State %s value is "
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"incremented, Initial value: %s, Current value: %s"
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" [PASSED!!]",
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router,
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state,
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state_before[router][state],
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state_after[router][state],
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)
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return True
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#####################################################
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def test_pimv6_add_delete_static_RP_p0(request):
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"""
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TC_1: Verify upstream interfaces(IIF) and join state are updated
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properly after adding and deleting the static RP
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TC_2: Verify IIF and OIL in "show ip pim state" updated properly
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after adding and deleting the static RP
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TC_3: (*, G) Mroute entry are cleared when static RP gets deleted
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TC_4: Verify (*,G) prune is send towards the RP after deleting the
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static RP
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TOPOlogy used:
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r0------r1-----r2
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iperf DUT RP
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"""
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tgen = get_topogen()
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tc_name = request.node.name
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write_test_header(tc_name)
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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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step("Shut link b/w R1 and R3")
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intf = TOPO["routers"]["r1"]["links"]["r3"]["interface"]
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shutdown_bringup_interface(tgen, "r1", intf, ifaceaction=False)
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step("Enable PIM between r1 and r2")
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step("Enable MLD on r1 interface and send IGMP " "join (FF08::1) to r1")
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step("Configure r2 loopback interface as RP")
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input_dict = {
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"r2": {
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"pim6": {
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"rp": [
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{
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"rp_addr": TOPO["routers"]["r2"]["links"]["lo"]["ipv6"].split(
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"/"
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)[0],
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"group_addr_range": GROUP_RANGE_V6,
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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 = create_pim_config(tgen, TOPO, input_dict)
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assert result is True, "Testcase {} : Failed Error: {}".format(tc_name, result)
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step("Verify show ip pim interface traffic without any mld join")
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state_dict = {
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"r1": {TOPO["routers"]["r1"]["links"]["r2"]["interface"]: ["pruneTx"]}
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}
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state_before = verify_pim_interface_traffic(tgen, state_dict, addr_type="ipv6")
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assert isinstance(
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state_before, dict
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), "Testcase{} : Failed \n state_before is not dictionary \n " "Error: {}".format(
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tc_name, result
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)
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step("send mld join (FF08::1) to R1")
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intf = TOPO["routers"]["r0"]["links"]["r1"]["interface"]
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intf_ip = TOPO["routers"]["r0"]["links"]["r1"]["ipv6"].split("/")[0]
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result = socat_send_igmp_join_traffic(
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tgen, "r0", "UDP6-RECV", IGMP_JOIN_V6, intf, intf_ip, join=True
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)
|
||||
assert result is True, "Testcase {}: Failed Error: {}".format(tc_name, result)
|
||||
|
||||
step("r1: Verify RP info")
|
||||
dut = "r1"
|
||||
oif = TOPO["routers"]["r1"]["links"]["r2"]["interface"]
|
||||
iif = TOPO["routers"]["r1"]["links"]["r0"]["interface"]
|
||||
rp_address = TOPO["routers"]["r2"]["links"]["lo"]["ipv6"].split("/")[0]
|
||||
result = verify_pim_rp_info(
|
||||
tgen, TOPO, dut, GROUP_RANGE_V6, oif, rp_address, SOURCE
|
||||
)
|
||||
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
|
||||
|
||||
step("r1: Verify upstream IIF interface")
|
||||
result = verify_upstream_iif(tgen, dut, oif, STAR, IGMP_JOIN_V6)
|
||||
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
|
||||
|
||||
step("r1: Verify upstream join state and join timer")
|
||||
result = verify_join_state_and_timer(tgen, dut, oif, STAR, IGMP_JOIN_V6)
|
||||
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
|
||||
|
||||
step("r1: Verify PIM state")
|
||||
result = verify_pim_state(tgen, dut, oif, iif, IGMP_JOIN_V6)
|
||||
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
|
||||
|
||||
step("r1: Verify ip mroutes")
|
||||
result = verify_mroutes(tgen, dut, STAR, IGMP_JOIN_V6, oif, iif)
|
||||
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
|
||||
|
||||
step("r1: Delete RP configuration")
|
||||
input_dict = {
|
||||
"r2": {
|
||||
"pim6": {
|
||||
"rp": [
|
||||
{
|
||||
"rp_addr": TOPO["routers"]["r2"]["links"]["lo"]["ipv6"].split(
|
||||
"/"
|
||||
)[0],
|
||||
"group_addr_range": GROUP_RANGE_V6,
|
||||
"delete": True,
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
result = create_pim_config(tgen, TOPO, input_dict)
|
||||
assert result is True, "Testcase {} : Failed Error: {}".format(tc_name, result)
|
||||
|
||||
step("r1: Verify RP info")
|
||||
result = verify_pim_rp_info(
|
||||
tgen, TOPO, dut, GROUP_RANGE_V6, oif, rp_address, SOURCE, expected=False
|
||||
)
|
||||
assert (
|
||||
result is not True
|
||||
), "Testcase {} :Failed \n " "RP: {} info is still present \n Error: {}".format(
|
||||
tc_name, rp_address, result
|
||||
)
|
||||
|
||||
step("r1: Verify upstream IIF interface")
|
||||
result = verify_upstream_iif(tgen, dut, oif, STAR, IGMP_JOIN_V6, expected=False)
|
||||
assert result is not True, (
|
||||
"Testcase {} :Failed \n "
|
||||
"Upstream ({}, {}) is still in join state \n Error: {}".format(
|
||||
tc_name, STAR, IGMP_JOIN_V6, result
|
||||
)
|
||||
)
|
||||
|
||||
step("r1: Verify upstream join state and join timer")
|
||||
result = verify_join_state_and_timer(
|
||||
tgen, dut, oif, STAR, IGMP_JOIN_V6, expected=False
|
||||
)
|
||||
assert result is not True, (
|
||||
"Testcase {} :Failed \n "
|
||||
"Upstream ({}, {}) timer is still running \n Error: {}".format(
|
||||
tc_name, STAR, IGMP_JOIN_V6, result
|
||||
)
|
||||
)
|
||||
|
||||
step("r1: Verify PIM state")
|
||||
result = verify_pim_state(tgen, dut, oif, iif, IGMP_JOIN_V6, expected=False)
|
||||
assert result is not True, (
|
||||
"Testcase {} :Failed \n "
|
||||
"PIM state for group: {} is still Active \n Error: {}".format(
|
||||
tc_name, IGMP_JOIN_V6, result
|
||||
)
|
||||
)
|
||||
|
||||
step("r1: Verify ip mroutes")
|
||||
result = verify_mroutes(tgen, dut, STAR, IGMP_JOIN_V6, oif, iif, expected=False)
|
||||
assert result is not True, (
|
||||
"Testcase {} :Failed \n "
|
||||
"mroute ({}, {}) is still present \n Error: {}".format(
|
||||
tc_name, STAR, IGMP_JOIN_V6, result
|
||||
)
|
||||
)
|
||||
|
||||
step("r1: Verify show ip pim interface traffic without any IGMP join")
|
||||
state_after = verify_pim_interface_traffic(tgen, state_dict, addr_type="ipv6")
|
||||
assert isinstance(
|
||||
state_after, dict
|
||||
), "Testcase{} : Failed \n state_before is not dictionary \n " "Error: {}".format(
|
||||
tc_name, result
|
||||
)
|
||||
|
||||
result = verify_state_incremented(state_before, state_after)
|
||||
assert result is True, "Testcase{} : Failed 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