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bgp_rfapi_basic_sanity: added basic rfapi sanity topotest

Signed-off-by: Lou Berger <lberger@labn.net>
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louberger committed Aug 27, 2018
1 parent b081543 commit 6be4cf9db1ef95103595f42a605a22791637eef6
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#!/usr/bin/env python

#
# Part of NetDEF Topology Tests
#
# Copyright (c) 2017 by
# Network Device Education Foundation, Inc. ("NetDEF")
#
# Permission to use, copy, modify, and/or distribute this software
# for any purpose with or without fee is hereby granted, provided
# that the above copyright notice and this permission notice appear
# in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND NETDEF DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NETDEF BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
# OF THIS SOFTWARE.
#

"""
customize.py: Simple FRR/Quagga MPLS L3VPN test topology
+---------+
| r1 |
| 1.1.1.1 | PE Router
+----+----+
| .1 r1-eth0
|
~~~~~~~~~~~~~
~~ sw0 ~~
~~ 10.0.1.0/24 ~~
~~~~~~~~~~~~~
|10.0.1.0/24
|
| .2 r2-eth0
+----+----+
| r2 |
| 2.2.2.2 | P router
+--+---+--+
r2-eth2 .2 | | .2 r2-eth1
______/ \______
/ \
~~~~~~~~~~~~~ ~~~~~~~~~~~~~
~~ sw2 ~~ ~~ sw1 ~~
~~ 10.0.3.0/24 ~~ ~~ 10.0.2.0/24 ~~
~~~~~~~~~~~~~ ~~~~~~~~~~~~~
| / |
\ _________/ |
\ / \
r3-eth1 .3 | | .3 r3-eth0 | .4 r4-eth0
+----+--+---+ +----+----+
| r3 | | r4 |
| 3.3.3.3 | | 4.4.4.4 | PE Routers
+-----------+ +---------+
"""

import os
import re
import pytest

# pylint: disable=C0413
# Import topogen and topotest helpers
from lib import topotest
from lib.topogen import Topogen, TopoRouter, get_topogen
from lib.topolog import logger
from lib.ltemplate import ltemplateRtrCmd

# Required to instantiate the topology builder class.
from mininet.topo import Topo

import shutil
CWD = os.path.dirname(os.path.realpath(__file__))
# test name based on directory
TEST = os.path.basename(CWD)

class ThisTestTopo(Topo):
"Test topology builder"
def build(self, *_args, **_opts):
"Build function"
tgen = get_topogen(self)

# This function only purpose is to define allocation and relationship
# between routers, switches and hosts.
#
# Create P/PE routers
tgen.add_router('r1')
for routern in range(2, 5):
tgen.add_router('r{}'.format(routern))
# Create a switch with just one router connected to it to simulate a
# empty network.
switch = {}
switch[0] = tgen.add_switch('sw0')
switch[0].add_link(tgen.gears['r1'], nodeif='r1-eth0')
switch[0].add_link(tgen.gears['r2'], nodeif='r2-eth0')

switch[1] = tgen.add_switch('sw1')
switch[1].add_link(tgen.gears['r2'], nodeif='r2-eth1')
switch[1].add_link(tgen.gears['r3'], nodeif='r3-eth0')
switch[1].add_link(tgen.gears['r4'], nodeif='r4-eth0')

switch[1] = tgen.add_switch('sw2')
switch[1].add_link(tgen.gears['r2'], nodeif='r2-eth2')
switch[1].add_link(tgen.gears['r3'], nodeif='r3-eth1')

def ltemplatePreRouterStartHook():
cc = ltemplateRtrCmd()
tgen = get_topogen()
logger.info('pre router-start hook')
#check for normal init
if len(tgen.net) == 1:
logger.info('Topology not configured, skipping setup')
return False
return True

def ltemplatePostRouterStartHook():
logger.info('post router-start hook')
return True

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frr defaults traditional
!
hostname r1
password zebra
log stdout notifications
log monitor notifications
log commands
router bgp 5226
bgp router-id 1.1.1.1
bgp cluster-id 1.1.1.1
neighbor 2.2.2.2 remote-as 5226
neighbor 2.2.2.2 update-source 1.1.1.1
!
address-family ipv4 unicast
redistribute vnc-direct
no neighbor 2.2.2.2 activate
exit-address-family
!
address-family ipv4 vpn
neighbor 2.2.2.2 activate
exit-address-family
!
vnc defaults
rd auto:vn:123
response-lifetime 45
rt both 1000:1 1000:2
exit-vnc
!
vnc nve-group red
prefix vn 10.0.0.0/8
rd auto:vn:10
rt both 1000:10
exit-vnc
!
vnc nve-group blue
prefix vn 20.0.0.0/8
rd auto:vn:20
rt both 1000:20
exit-vnc
!
vnc nve-group green
prefix vn 30.0.0.0/8
rd auto:vn:20
rt both 1000:30
exit-vnc
!
end
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hostname r1
log file ospfd.log
!
router ospf
router-id 1.1.1.1
network 0.0.0.0/4 area 0
redistribute static
!
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log file zebra.log
!
hostname r1
!
interface lo
ip address 1.1.1.1/32
!
interface r1-eth0
description to sw0
ip address 10.0.1.1/24
no link-detect
!
interface r1-eth4
description to ce1
ip address 192.168.1.1/24
no link-detect
!
ip route 99.0.0.1/32 192.168.1.2
!
ip forwarding
!
!
line vty
!
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frr defaults traditional
!
hostname r2
password zebra
log stdout notifications
log monitor notifications
log commands
router bgp 5226
bgp router-id 2.2.2.2
bgp cluster-id 2.2.2.2
neighbor 1.1.1.1 remote-as 5226
neighbor 1.1.1.1 update-source 2.2.2.2
neighbor 3.3.3.3 remote-as 5226
neighbor 3.3.3.3 update-source 2.2.2.2
neighbor 4.4.4.4 remote-as 5226
neighbor 4.4.4.4 update-source 2.2.2.2
address-family ipv4 unicast
no neighbor 1.1.1.1 activate
no neighbor 3.3.3.3 activate
no neighbor 4.4.4.4 activate
exit-address-family
address-family ipv4 vpn
neighbor 1.1.1.1 activate
neighbor 1.1.1.1 route-reflector-client
neighbor 3.3.3.3 activate
neighbor 3.3.3.3 route-reflector-client
neighbor 4.4.4.4 activate
neighbor 4.4.4.4 route-reflector-client
exit-address-family
end



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hostname r2
log file ospfd.log
!
router ospf
router-id 2.2.2.2
network 0.0.0.0/0 area 0
!
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log file zebra.log
!
hostname r2
!
interface lo
ip address 2.2.2.2/32
!
interface r2-eth0
description to sw0
ip address 10.0.1.2/24
no link-detect
!
interface r2-eth1
description to sw1
ip address 10.0.2.2/24
no link-detect
!
interface r2-eth2
description to sw2
ip address 10.0.3.2/24
no link-detect
!
ip forwarding
!
!
line vty
!
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frr defaults traditional
!
hostname r3
password zebra
log stdout notifications
log monitor notifications
log commands
router bgp 5226
bgp router-id 3.3.3.3
bgp cluster-id 3.3.3.3
neighbor 2.2.2.2 remote-as 5226
neighbor 2.2.2.2 update-source 3.3.3.3
!
address-family ipv4 unicast
no neighbor 2.2.2.2 activate
exit-address-family
address-family ipv4 vpn
neighbor 2.2.2.2 activate
exit-address-family
!
vnc defaults
rd auto:vn:123
response-lifetime 45
rt both 1000:1 1000:2
exit-vnc
!
vnc nve-group red
prefix vn 10.0.0.0/8
rd auto:vn:10
rt both 1000:10
exit-vnc
!
vnc nve-group blue
prefix vn 20.0.0.0/8
rd auto:vn:20
rt both 1000:20
exit-vnc
!
vnc nve-group green
prefix vn 30.0.0.0/8
rd auto:vn:20
rt both 1000:30
exit-vnc
!
end



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hostname r3
password 1
log file ospfd.log
!
router ospf
router-id 3.3.3.3
network 0.0.0.0/4 area 0
redistribute static
!
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log file zebra.log
!
hostname r3
!
interface lo
ip address 3.3.3.3/32
!
interface r3-eth0
description to sw1
ip address 10.0.2.3/24
no link-detect
!
interface r3-eth1
description to sw2
ip address 10.0.3.3/24
no link-detect
!
interface r3-eth4
description to ce2
ip address 192.168.1.1/24
no link-detect
!
ip route 99.0.0.2/32 192.168.1.2
!
ip forwarding
!
!
line vty
!
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