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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.
import unittest
from fabric.api import local
from lib.gobgp import *
from lib.quagga import *
import sys
import os
import time
import nose
from noseplugin import OptionParser, parser_option
from itertools import chain
class GoBGPTestBase(unittest.TestCase):
wait_per_retry = 5
retry_limit = 15
@classmethod
def setUpClass(cls):
gobgp_ctn_image_name = 'osrg/gobgp'
if parser_option.use_local:
make_gobgp_ctn()
gobgp_ctn_image_name = 'gobgp'
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=65001, router_id='192.168.0.2')
q2 = QuaggaBGPContainer(name='q2', asn=65002, router_id='192.168.0.3')
q3 = QuaggaBGPContainer(name='q3', asn=65003, router_id='192.168.0.4')
qs = [q1, q2, q3]
ctns = [g1, q1, q2, q3]
# advertise a route from q1, q2, q3
for idx, q in enumerate(qs):
route = '10.0.{0}.0/24'.format(idx+1)
q.add_route(route)
initial_wait_time = max(ctn.run() for ctn in ctns)
time.sleep(initial_wait_time)
br01 = Bridge(name='br01', subnet='192.168.10.0/24')
[br01.addif(ctn) for ctn in ctns]
for q in qs:
g1.add_peer(q)
q.add_peer(g1)
cls.gobgp = g1
cls.quaggas = {'q1': q1, 'q2': q2, 'q3': q3}
cls.bridges = {'br01': br01}
# 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
routes = q.routes.keys()
# gobgp's global rib
global_rib = [p['prefix'] for p in self.gobgp.get_global_rib()]
for p in global_rib:
if p in routes:
routes.remove(p)
if len(routes) == 0:
continue
gobgp = '/go/bin/gobgp'
cmd = 'docker exec {0} {1}' \
' monitor global rib -j'.format(self.gobgp.name, gobgp)
process = subprocess.Popen(cmd, shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
poll = select.epoll()
poll.register(process.stdout, select.POLLIN)
timeout = 10.0
while True:
result = poll.poll(timeout)
if result:
line = process.stdout.readline()
path = json.loads(line)['nlri']['prefix']
if path in routes:
routes.remove(path)
if len(routes) == 0:
return
continue
raise Exception('timeout')
# check gobgp properly add it's own asn to aspath
def test_03_check_gobgp_adj_out_rib(self):
for q in self.quaggas.itervalues():
for path in self.gobgp.get_adj_rib_out(q):
asps = (p['as_paths'] for p in path['attrs'] if p['type'] == BGP_ATTR_TYPE_AS_PATH)
asps = chain.from_iterable(asps)
asns = (asp['asns'] for asp in asps)
asns = chain.from_iterable(asns)
self.assertTrue(self.gobgp.asn in asns)
# check routes are properly advertised to all BGP speaker
def test_03_check_quagga_global_rib(self):
for q in self.quaggas.itervalues():
done = False
for _ in range(self.retry_limit):
if done:
break
global_rib = q.get_global_rib()
global_rib = [p['prefix'] for p in global_rib]
if len(global_rib) < len(self.quaggas):
time.sleep(self.wait_per_retry)
continue
self.assertTrue(len(global_rib) == len(self.quaggas))
for c in self.quaggas.itervalues():
for r in c.routes:
self.assertTrue(r in global_rib)
done = True
if done:
continue
# should not reach here
self.assertTrue(False)
def test_04_add_quagga(self):
q4 = QuaggaBGPContainer(name='q4', asn=65004, router_id='192.168.0.5')
self.quaggas['q4'] = q4
q4.add_route('10.0.4.0/24')
initial_wait_time = q4.run()
time.sleep(initial_wait_time)
self.bridges['br01'].addif(q4)
self.gobgp.add_peer(q4)
q4.add_peer(self.gobgp)
self.gobgp.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=q4)
def test_05_check_global_rib(self):
self.test_02_check_gobgp_global_rib()
self.test_03_check_quagga_global_rib()
def test_06_stop_one_quagga(self):
q4 = self.quaggas['q4']
q4.stop()
self.gobgp.wait_for(expected_state=BGP_FSM_ACTIVE, peer=q4)
del self.quaggas['q4']
# check gobgp properly send withdrawal message with q4's route
def test_07_check_global_rib(self):
self.test_02_check_gobgp_global_rib()
self.test_03_check_quagga_global_rib()
def test_08_add_distant_relative(self):
q1 = self.quaggas['q1']
q2 = self.quaggas['q2']
q3 = self.quaggas['q3']
q5 = QuaggaBGPContainer(name='q5', asn=65005, router_id='192.168.0.6')
initial_wait_time = q5.run()
time.sleep(initial_wait_time)
br02 = Bridge(name='br02', subnet='192.168.20.0/24')
br02.addif(q5)
br02.addif(q2)
br03 = Bridge(name='br03', subnet='192.168.30.0/24')
br03.addif(q5)
br03.addif(q3)
for q in [q2, q3]:
q5.add_peer(q)
q.add_peer(q5)
med200 = {'name': 'med200',
'type': 'permit',
'match': '0.0.0.0/0',
'direction': 'out',
'med': 200}
q2.add_policy(med200, self.gobgp)
med100 = {'name': 'med100',
'type': 'permit',
'match': '0.0.0.0/0',
'direction': 'out',
'med': 100}
q3.add_policy(med100, self.gobgp)
q5.add_route('10.0.6.0/24')
self.gobgp.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=q2)
self.gobgp.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=q3)
q2.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=q5)
q3.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=q5)
done = False
for _ in range(self.retry_limit):
paths = q1.get_global_rib('10.0.6.0/24')
if len(paths) > 0:
path = paths[0]
print "{0}'s nexthop is {1}".format(path['prefix'],
path['nexthop'])
n_addrs = [i[1].split('/')[0] for i in self.gobgp.ip_addrs]
if path['nexthop'] in n_addrs:
done = True
break
time.sleep(self.wait_per_retry)
if not done:
self.assertTrue(False)
if __name__ == '__main__':
if os.geteuid() is not 0:
print "you are not root."
sys.exit(1)
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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