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# Copyright (C) 2016 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
from itertools import combinations
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
class GoBGPTestBase(unittest.TestCase):
@classmethod
def setUpClass(cls):
# +----+ +----+
# | g1 |----(iBGP)----| g2 |
# +----+ +----+
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)
g2 = GoBGPContainer(name='g2', asn=65000, router_id='192.168.0.2',
ctn_image_name=gobgp_ctn_image_name,
log_level=parser_option.gobgp_log_level)
ctns = {ctn.name: ctn for ctn in [g1, g2]}
initial_wait_time = max(ctn.run() for ctn in ctns.values())
time.sleep(initial_wait_time)
g1.local("gobgp vrf add vrf1 rd 100:100 rt both 100:100")
g1.local("gobgp vrf add vrf2 rd 200:200 rt both 200:200")
g2.local("gobgp vrf add vrf1 rd 100:100 rt both 100:100")
g2.local("gobgp vrf add vrf3 rd 300:300 rt both 300:300")
g1.local("gobgp vrf vrf1 rib add 10.0.0.0/24")
g1.local("gobgp vrf vrf2 rib add 10.0.0.0/24")
g2.local("gobgp vrf vrf1 rib add 20.0.0.0/24")
g2.local("gobgp vrf vrf3 rib add 20.0.0.0/24")
for a, b in combinations(ctns.values(), 2):
a.add_peer(b, vpn=True, passwd='rtc', graceful_restart=True)
b.add_peer(a, vpn=True, passwd='rtc', graceful_restart=True)
cls.g1 = g1
cls.g2 = g2
cls.ctns = ctns
# test each neighbor state is turned establish
def test_01_neighbor_established(self):
self.g1.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=self.g2)
def test_02_check_gobgp_adj_rib_out(self):
time.sleep(2)
self.assertEqual(1, len(self.g1.get_adj_rib_out(self.g2, rf='ipv4-l3vpn')))
self.assertEqual(1, len(self.g2.get_adj_rib_out(self.g1, rf='ipv4-l3vpn')))
def test_03_add_vrf(self):
self.g1.local("gobgp vrf add vrf3 rd 300:300 rt both 300:300")
time.sleep(2)
self.assertEqual(3, len(self.g1.get_adj_rib_out(self.g2, rf='rtc')))
self.assertEqual(2, len(self.g1.get_adj_rib_in(self.g2, rf='ipv4-l3vpn')))
def test_04_del_vrf(self):
self.g1.local("gobgp vrf del vrf1")
time.sleep(2)
self.assertEqual(2, len(self.g1.get_adj_rib_out(self.g2, rf='rtc')))
self.assertEqual(1, len(self.g1.get_adj_rib_in(self.g2, rf='ipv4-l3vpn')))
def test_05_rr_setup(self):
# +------+
# | g3 |
# +------| (RR) |------+
# | +------+ |
# (iBGP) (iBGP)
# | |
# +-------------+ +-------------+
# | g4 | | g5 |
# | (RR Client) | | (RR Client) |
# +-------------+ +-------------+
gobgp_ctn_image_name = parser_option.gobgp_image
g3 = GoBGPContainer(name='g3', asn=65000, router_id='192.168.0.3',
ctn_image_name=gobgp_ctn_image_name,
log_level=parser_option.gobgp_log_level)
g4 = GoBGPContainer(name='g4', asn=65000, router_id='192.168.0.4',
ctn_image_name=gobgp_ctn_image_name,
log_level=parser_option.gobgp_log_level)
g5 = GoBGPContainer(name='g5', asn=65000, router_id='192.168.0.5',
ctn_image_name=gobgp_ctn_image_name,
log_level=parser_option.gobgp_log_level)
time.sleep(max(ctn.run() for ctn in [g3, g4, g5]))
g3.add_peer(g4, vpn=True, is_rr_client=True)
g4.add_peer(g3, vpn=True)
g3.add_peer(g5, vpn=True, is_rr_client=True)
g5.add_peer(g3, vpn=True)
for v in [g3, g4, g5]:
self.ctns[v.name] = v
def test_06_neighbor_established(self):
g3 = self.ctns['g3']
g4 = self.ctns['g4']
g5 = self.ctns['g5']
g3.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=g4)
g3.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=g5)
def test_07_rr_test(self):
g3 = self.ctns['g3']
g4 = self.ctns['g4']
g5 = self.ctns['g5']
g4.local("gobgp vrf add vrf1 rd 100:100 rt both 100:100")
time.sleep(1)
g5.local("gobgp vrf add vrf1 rd 100:100 rt both 100:100")
time.sleep(1)
def check_rtc(client):
rib = g3.get_adj_rib_out(client, rf='rtc')
self.assertEqual(1, len(rib))
path = rib[0]
self.assertEqual(g3.peers[client]['local_addr'].split('/')[0], path['nexthop'])
ids = [attr['value'] for attr in path['attrs'] if attr['type'] == base.BGP_ATTR_TYPE_ORIGINATOR_ID]
self.assertEqual(1, len(ids))
self.assertEqual(g3.router_id, ids[0])
check_rtc(g4)
check_rtc(g5)
g4.local("gobgp vrf vrf1 rib add 40.0.0.0/24")
g5.local("gobgp vrf vrf1 rib add 50.0.0.0/24")
time.sleep(1)
def check_ipv4_l3vpn(client):
rib = g3.get_adj_rib_out(client, rf='ipv4-l3vpn')
self.assertEqual(1, len(rib))
path = rib[0]
self.assertNotEqual(g3.peers[client]['local_addr'].split('/')[0], path['nexthop'])
ids = [attr['value'] for attr in path['attrs'] if attr['type'] == base.BGP_ATTR_TYPE_ORIGINATOR_ID]
self.assertEqual(1, len(ids))
self.assertNotEqual(client.router_id, ids[0])
check_ipv4_l3vpn(g4)
check_ipv4_l3vpn(g5)
def test_08_rr_setup2(self):
# +----------+ +----------+
# | g1 |---(iBGP)---| g2 |
# | (Non RR | | (Non RR |
# | Client) | | Client) |
# +----------+ +----------+
# | |
# +--(iBGP)--+ +--(iBGP)--+
# | |
# +------+
# | g3 |
# +------| (RR) |------+
# | +------+ |
# (iBGP) (iBGP)
# | |
# +-------------+ +-------------+
# | g4 | | g5 |
# | (RR Client) | | (RR Client) |
# +-------------+ +-------------+
g1 = self.ctns['g1']
g2 = self.ctns['g2']
g3 = self.ctns['g3']
g1.local("gobgp vrf del vrf2")
g1.local("gobgp vrf del vrf3")
g2.local("gobgp vrf del vrf1")
g2.local("gobgp vrf del vrf3")
g3.add_peer(g1, vpn=True)
g1.add_peer(g3, vpn=True)
g3.add_peer(g2, vpn=True)
g2.add_peer(g3, vpn=True)
g3.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=g1)
g3.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=g2)
def test_09_rr_test2(self):
g1 = self.ctns['g1']
g2 = self.ctns['g2']
g3 = self.ctns['g3']
g4 = self.ctns['g4']
g5 = self.ctns['g5']
self.assertEqual(0, len(g1.get_adj_rib_in(g3, rf='ipv4-l3vpn')))
self.assertEqual(0, len(g2.get_adj_rib_in(g3, rf='ipv4-l3vpn')))
g1.local("gobgp vrf add vrf1 rd 100:100 rt both 100:100")
g1.local("gobgp vrf vrf1 rib add 10.0.0.0/24")
time.sleep(1)
self.assertEqual(2, len(g1.get_adj_rib_in(g3, rf='ipv4-l3vpn')))
self.assertEqual(0, len(g2.get_adj_rib_in(g3, rf='ipv4-l3vpn')))
self.assertEqual(1, len(g3.get_adj_rib_in(g1, rf='ipv4-l3vpn')))
self.assertEqual(0, len(g3.get_adj_rib_in(g2, rf='ipv4-l3vpn')))
self.assertEqual(2, len(g4.get_adj_rib_in(g3, rf='ipv4-l3vpn')))
self.assertEqual(2, len(g5.get_adj_rib_in(g3, rf='ipv4-l3vpn')))
g2.local("gobgp vrf add vrf2 rd 200:200 rt both 200:200")
g2.local("gobgp vrf vrf2 rib add 20.0.0.0/24")
time.sleep(1)
self.assertEqual(2, len(g1.get_adj_rib_in(g3, rf='ipv4-l3vpn')))
self.assertEqual(0, len(g2.get_adj_rib_in(g3, rf='ipv4-l3vpn')))
self.assertEqual(1, len(g3.get_adj_rib_in(g1, rf='ipv4-l3vpn')))
self.assertEqual(0, len(g3.get_adj_rib_in(g2, rf='ipv4-l3vpn')))
self.assertEqual(2, len(g4.get_adj_rib_in(g3, rf='ipv4-l3vpn')))
self.assertEqual(2, len(g5.get_adj_rib_in(g3, rf='ipv4-l3vpn')))
g4.local("gobgp vrf add vrf2 rd 200:200 rt both 200:200")
time.sleep(1)
self.assertEqual(2, len(g1.get_adj_rib_in(g3, rf='ipv4-l3vpn')))
self.assertEqual(0, len(g2.get_adj_rib_in(g3, rf='ipv4-l3vpn')))
self.assertEqual(1, len(g3.get_adj_rib_in(g1, rf='ipv4-l3vpn')))
self.assertEqual(1, len(g3.get_adj_rib_in(g2, rf='ipv4-l3vpn')))
self.assertEqual(3, len(g4.get_adj_rib_in(g3, rf='ipv4-l3vpn')))
self.assertEqual(2, len(g5.get_adj_rib_in(g3, rf='ipv4-l3vpn')))
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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