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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 sys
import time
import unittest
import nose
from lib.noseplugin import OptionParser, parser_option
from lib import base
from lib.base import (
BGP_FSM_ACTIVE,
BGP_FSM_ESTABLISHED,
local,
)
from lib.gobgp import GoBGPContainer
from lib.quagga import QuaggaBGPContainer
class GoBGPTestBase(unittest.TestCase):
wait_per_retry = 5
retry_limit = 15
@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)
rs_clients = [
QuaggaBGPContainer(name='q{0}'.format(i + 1), asn=(65001 + i),
router_id='192.168.0.{0}'.format(i + 2))
for i in range(3)]
ctns = [g1] + rs_clients
q1 = rs_clients[0]
q2 = rs_clients[1]
q3 = rs_clients[2]
initial_wait_time = max(ctn.run() for ctn in ctns)
time.sleep(initial_wait_time)
for rs_client in rs_clients:
g1.add_peer(rs_client, is_rs_client=True, passwd='passwd', passive=True, prefix_limit=10)
rs_client.add_peer(g1, passwd='passwd')
# advertise a route from route-server-clients
routes = []
for idx, rs_client in enumerate(rs_clients):
route = '10.0.{0}.0/24'.format(idx + 1)
rs_client.add_route(route)
routes.append(route)
cls.gobgp = g1
cls.quaggas = {'q1': q1, 'q2': q2, 'q3': q3}
def check_gobgp_local_rib(self):
for rs_client in self.quaggas.values():
done = False
for _ in range(self.retry_limit):
if done:
break
local_rib = self.gobgp.get_local_rib(rs_client)
local_rib = [p['prefix'] for p in local_rib]
state = self.gobgp.get_neighbor_state(rs_client)
self.assertEqual(state, BGP_FSM_ESTABLISHED)
if len(local_rib) < (len(self.quaggas) - 1):
time.sleep(self.wait_per_retry)
continue
self.assertEqual(len(local_rib), (len(self.quaggas) - 1))
for c in self.quaggas.values():
if rs_client != c:
for r in c.routes:
self.assertTrue(r in local_rib)
done = True
if done:
continue
# should not reach here
raise AssertionError
def check_rs_client_rib(self):
for rs_client in self.quaggas.values():
done = False
for _ in range(self.retry_limit):
if done:
break
global_rib = rs_client.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.assertEqual(len(global_rib), len(self.quaggas))
for c in self.quaggas.values():
for r in c.routes:
self.assertTrue(r in global_rib)
done = True
if done:
continue
# should not reach here
raise AssertionError
# test each neighbor state is turned establish
def test_01_neighbor_established(self):
for q in self.quaggas.values():
self.gobgp.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=q)
# check advertised routes are stored in route-server's local-rib
def test_02_check_gobgp_local_rib(self):
self.check_gobgp_local_rib()
# check gobgp's global rib. when configured as route-server, global rib
# must be empty
def test_03_check_gobgp_global_rib(self):
self.assertEqual(len(self.gobgp.get_global_rib()), 0)
# check routes are properly advertised to route-server-client
def test_04_check_rs_clients_rib(self):
self.check_rs_client_rib()
# check if quagga that is appended can establish connection with gobgp
def test_05_add_rs_client(self):
q4 = QuaggaBGPContainer(name='q4', asn=65004, router_id='192.168.0.5')
self.quaggas['q4'] = q4
initial_wait_time = q4.run()
time.sleep(initial_wait_time)
self.gobgp.add_peer(q4, is_rs_client=True)
q4.add_peer(self.gobgp)
route = '10.0.4.0/24'
q4.add_route(route)
self.gobgp.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=q4)
# check advertised routes are stored in gobgp's local-rib
def test_05_check_gobgp_local_rib(self):
self.check_gobgp_local_rib()
# check routes are properly advertised to quagga
def test_06_check_rs_clients_rib(self):
self.check_rs_client_rib()
def test_07_stop_one_rs_client(self):
q4 = self.quaggas['q4']
q4.stop()
self.gobgp.wait_for(expected_state=BGP_FSM_ACTIVE, peer=q4)
del self.quaggas['q4']
# check a route advertised from q4 is deleted from gobgp's local-rib
def test_08_check_gobgp_local_rib(self):
self.check_gobgp_local_rib()
# check whether gobgp properly sent withdrawal message with q4's route
def test_09_check_rs_clients_rib(self):
self.check_rs_client_rib()
@unittest.skip("med shouldn't work with different AS peers by default")
def test_10_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)
for q in [q2, q3]:
q5.add_peer(q)
q.add_peer(q5)
med200 = {'name': 'med200',
'type': 'permit',
'match': '0.0.0.0/0',
'med': 200,
'priority': 10}
q2.add_policy(med200, self.gobgp, 'out')
med100 = {'name': 'med100',
'type': 'permit',
'match': '0.0.0.0/0',
'med': 100,
'priority': 10}
q3.add_policy(med100, self.gobgp, 'out')
q5.add_route('10.0.6.0/24')
q2.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=q5)
q3.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=q5)
self.gobgp.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=q2)
self.gobgp.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=q3)
def check_nexthop(target_prefix, expected_nexthop):
is_done = False
for _ in range(self.retry_limit):
if is_done:
break
time.sleep(self.wait_per_retry)
for path in q1.get_global_rib():
if path['prefix'] == target_prefix:
print("{0}'s nexthop is {1}".format(path['prefix'],
path['nexthop']))
n_addrs = [i[1].split('/')[0] for i in
expected_nexthop.ip_addrs]
if path['nexthop'] in n_addrs:
is_done = True
break
return is_done
done = check_nexthop('10.0.6.0/24', q3)
self.assertTrue(done)
med300 = {'name': 'med300',
'type': 'permit',
'match': '0.0.0.0/0',
'med': 300,
'priority': 5}
q3.add_policy(med300, self.gobgp, 'out')
time.sleep(self.wait_per_retry)
done = check_nexthop('10.0.6.0/24', q2)
self.assertTrue(done)
if __name__ == '__main__':
output = local("which docker 2>&1 > /dev/null ; echo $?", capture=True)
if int(output) != 0:
print("docker not found")
sys.exit(1)
nose.main(argv=sys.argv, addplugins=[OptionParser()],
defaultTest=sys.argv[0])
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