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# Copyright (C) 2015 Nippon Telegraph and Telephone Corporation.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import absolute_import
import sys
import time
import unittest
from fabric.api import local
import nose
from lib.noseplugin import OptionParser, parser_option
from lib import base
from lib.base import BGP_FSM_ESTABLISHED
from lib.gobgp import GoBGPContainer
from lib.quagga import QuaggaBGPContainer
def wait_for(f, timeout=120):
interval = 1
count = 0
while True:
if f():
return
time.sleep(interval)
count += interval
if count >= timeout:
raise Exception('timeout')
class GoBGPTestBase(unittest.TestCase):
def assert_adv_count(self, src, dst, rf, count):
self.assertEqual(count, len(src.get_adj_rib_out(dst, rf=rf)))
self.assertEqual(count, len(dst.get_adj_rib_in(src, rf=rf)))
def assert_upd_count(self, src, dst, sent, received):
messages = src.get_neighbor(dst)['state']['messages']
self.assertEqual(messages['sent'].get('update', 0), sent)
self.assertEqual(messages['received'].get('update', 0), received)
@classmethod
def setUpClass(cls):
gobgp_ctn_image_name = parser_option.gobgp_image
base.TEST_PREFIX = parser_option.test_prefix
g1 = GoBGPContainer(name='g1', asn=65000, router_id='192.168.0.1',
ctn_image_name=gobgp_ctn_image_name,
log_level=parser_option.gobgp_log_level)
q1 = QuaggaBGPContainer(name='q1', asn=65000, router_id='192.168.0.2')
q2 = QuaggaBGPContainer(name='q2', asn=65000, router_id='192.168.0.3')
q3 = QuaggaBGPContainer(name='q3', asn=65000, router_id='192.168.0.4')
q4 = QuaggaBGPContainer(name='q4', asn=65000, router_id='192.168.0.5')
qs = [q1, q2, q3, q4]
ctns = [g1, q1, q2, q3, q4]
initial_wait_time = max(ctn.run() for ctn in ctns)
time.sleep(initial_wait_time)
# g1 as a route reflector
g1.add_peer(q1, is_rr_client=True)
q1.add_peer(g1)
g1.add_peer(q2, is_rr_client=True)
q2.add_peer(g1)
g1.add_peer(q3)
q3.add_peer(g1)
g1.add_peer(q4)
q4.add_peer(g1)
# advertise a route from q1, q2
for idx, c in enumerate(qs):
route = '10.0.{0}.0/24'.format(idx + 1)
c.add_route(route)
cls.gobgp = g1
cls.quaggas = {'q1': q1, 'q2': q2, 'q3': q3, 'q4': q4}
# test each neighbor state is turned establish
def test_01_neighbor_established(self):
for q in self.quaggas.itervalues():
self.gobgp.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=q)
def test_02_check_gobgp_global_rib(self):
for q in self.quaggas.itervalues():
# paths expected to exist in gobgp's global rib
def f():
state = self.gobgp.get_neighbor_state(q)
self.assertEqual(state, BGP_FSM_ESTABLISHED)
routes = q.routes.keys()
global_rib = [p['prefix'] for p in self.gobgp.get_global_rib()]
for p in global_rib:
if p in routes:
routes.remove(p)
return len(routes) == 0
wait_for(f)
def test_03_check_gobgp_adj_rib_out(self):
for q in self.quaggas.itervalues():
paths = [p['nlri']['prefix'] for p in self.gobgp.get_adj_rib_out(q)]
for qq in self.quaggas.itervalues():
if q == qq:
continue
if self.gobgp.peers[q]['is_rr_client']:
for p in qq.routes.keys():
self.assertTrue(p in paths)
else:
for p in qq.routes.keys():
if self.gobgp.peers[qq]['is_rr_client']:
self.assertTrue(p in paths)
else:
self.assertFalse(p in paths)
def test_10_setup_rr_rtc_isolation_policy(self):
# +-------+
# | rr |
# +----------------+----| (RR) |---+----------------+
# | | +-------+ | |
# | | | |
# (iBGP) (iBGP) (iBGP) (iBGP)
# | | | |
# +-------------+ +-------------+ +-------------+ +-------------+
# | acme1 | | acme2 | | tyrell1 | | tyrell2 |
# | (RR Client) | | (RR Client) | | (RR Client) | | (RR Client) |
# +-------------+ +-------------+ +-------------+ +-------------+
gobgp_ctn_image_name = parser_option.gobgp_image
rr = GoBGPContainer(name='rr', asn=65000, router_id='192.168.1.1',
ctn_image_name=gobgp_ctn_image_name,
log_level=parser_option.gobgp_log_level)
acme1 = GoBGPContainer(name='acme1', asn=65000, router_id='192.168.1.101',
ctn_image_name=gobgp_ctn_image_name,
log_level=parser_option.gobgp_log_level)
acme2 = GoBGPContainer(name='acme2', asn=65000, router_id='192.168.1.102',
ctn_image_name=gobgp_ctn_image_name,
log_level=parser_option.gobgp_log_level)
tyrell1 = GoBGPContainer(name='tyrell1', asn=65000, router_id='192.168.1.201',
ctn_image_name=gobgp_ctn_image_name,
log_level=parser_option.gobgp_log_level)
tyrell2 = GoBGPContainer(name='tyrell2', asn=65000, router_id='192.168.1.202',
ctn_image_name=gobgp_ctn_image_name,
log_level=parser_option.gobgp_log_level)
time.sleep(max(ctn.run() for ctn in [rr, acme1, acme2, tyrell1, tyrell2]))
rr.add_peer(acme1, vpn=True, addpath=True, graceful_restart=True, llgr=True, is_rr_client=True)
acme1.add_peer(rr, vpn=True, addpath=True, graceful_restart=True, llgr=True)
rr.add_peer(acme2, vpn=True, addpath=True, graceful_restart=True, llgr=True, is_rr_client=True)
acme2.add_peer(rr, vpn=True, addpath=True, graceful_restart=True, llgr=True)
rr.add_peer(tyrell1, vpn=True, addpath=True, graceful_restart=True, llgr=True, is_rr_client=True)
tyrell1.add_peer(rr, vpn=True, addpath=True, graceful_restart=True, llgr=True)
rr.add_peer(tyrell2, vpn=True, addpath=True, graceful_restart=True, llgr=True, is_rr_client=True)
tyrell2.add_peer(rr, vpn=True, addpath=True, graceful_restart=True, llgr=True)
self.__class__.rr = rr
self.__class__.acme1 = acme1
self.__class__.acme2 = acme2
self.__class__.tyrell1 = tyrell1
self.__class__.tyrell2 = tyrell2
# add import/export policy to allow peers exchange routes within specific RTs
# later tests should not break due to RTC Updates being filtered-out
rr.local("gobgp policy neighbor add clients-acme {} {}".format(
rr.peer_name(acme1),
rr.peer_name(acme2)))
rr.local("gobgp policy neighbor add clients-tyrell {} {}".format(
rr.peer_name(tyrell1),
rr.peer_name(tyrell2)))
rr.local("gobgp policy ext-community add rts-acme rt:^100:.*$")
rr.local("gobgp policy ext-community add rts-tyrell rt:^200:.*$")
rr.local('gobgp policy statement add allow-rtc')
rr.local('gobgp policy statement allow-rtc add condition afi-safi-in rtc')
rr.local('gobgp policy statement allow-rtc add action accept')
rr.local('gobgp policy statement add allow-acme')
rr.local('gobgp policy statement allow-acme add condition neighbor clients-acme')
rr.local('gobgp policy statement allow-acme add condition ext-community rts-acme')
rr.local('gobgp policy statement allow-acme add action accept')
rr.local('gobgp policy statement add allow-tyrell')
rr.local('gobgp policy statement allow-tyrell add condition neighbor clients-tyrell')
rr.local('gobgp policy statement allow-tyrell add condition ext-community rts-tyrell')
rr.local('gobgp policy statement allow-tyrell add action accept')
rr.local('gobgp policy add tenancy allow-rtc allow-acme allow-tyrell')
rr.local('gobgp global policy import add tenancy default reject')
rr.local('gobgp global policy export add tenancy default reject')
acme1.local("gobgp vrf add a1 rd 100:100 rt both 100:100")
acme2.local("gobgp vrf add a1 rd 100:100 rt both 100:100")
tyrell1.local("gobgp vrf add t1 rd 200:100 rt both 200:100")
tyrell2.local("gobgp vrf add t1 rd 200:100 rt both 200:100")
rr.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=acme1)
rr.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=acme2)
rr.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=tyrell1)
rr.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=tyrell2)
def test_11_routes_in_allowed_acme_rts_are_exchanged(self):
self.acme1.local("gobgp vrf a1 rib add 10.10.0.0/16 local-pref 100")
self.acme2.local("gobgp vrf a1 rib add 10.20.0.0/16")
self.tyrell1.local("gobgp vrf t1 rib add 20.10.0.0/16")
self.tyrell2.local("gobgp vrf t1 rib add 20.20.0.0/16")
time.sleep(1)
self.assert_adv_count(self.rr, self.acme1, 'rtc', 2)
self.assert_adv_count(self.rr, self.acme1, 'ipv4-l3vpn', 1)
self.assert_adv_count(self.rr, self.acme2, 'rtc', 2)
self.assert_adv_count(self.rr, self.acme2, 'ipv4-l3vpn', 1)
self.assert_adv_count(self.rr, self.tyrell1, 'rtc', 2)
self.assert_adv_count(self.rr, self.tyrell1, 'ipv4-l3vpn', 1)
self.assert_adv_count(self.rr, self.tyrell2, 'rtc', 2)
self.assert_adv_count(self.rr, self.tyrell2, 'ipv4-l3vpn', 1)
def test_12_routes_from_separate_rts_peers_are_isolated_by_rr(self):
self.tyrell1.local("gobgp vrf add a1 rd 100:100 rt both 100:100")
self.tyrell1.local("gobgp vrf a1 rib add 10.10.0.0/16 local-pref 200")
self.tyrell1.local("gobgp vrf a1 rib add 10.30.0.0/16")
time.sleep(1)
rr_t2_in = self.rr.get_adj_rib_in(self.tyrell1, rf='ipv4-l3vpn')
self.assertEqual(3, len(rr_t2_in))
rr_a2_out = self.rr.get_adj_rib_out(self.acme2, rf='ipv4-l3vpn')
self.assertEqual(1, len(rr_a2_out))
a2_routes = self.acme2.get_adj_rib_in(self.rr, rf='ipv4-l3vpn')
self.assertEqual(1, len(a2_routes))
ar0 = a2_routes[0]
self.assertEqual('10.10.0.0/16', ar0['prefix'])
self.assertEqual(self.rr.peer_name(self.acme1), ar0['nexthop'])
self.assertEqual(100, ar0['local-pref'])
if __name__ == '__main__':
output = local("which docker 2>&1 > /dev/null ; echo $?", capture=True)
if int(output) is not 0:
print "docker not found"
sys.exit(1)
nose.main(argv=sys.argv, addplugins=[OptionParser()],
defaultTest=sys.argv[0])
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