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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 collections
collections.Callable = collections.abc.Callable
import nose
from lib.noseplugin import OptionParser, parser_option
from lib import base
from lib.base import BGP_FSM_ESTABLISHED, local
from lib.gobgp import GoBGPContainer
from lib.exabgp import ExaBGPContainer
from lib.yabgp import YABGPContainer
class FlowSpecTest(unittest.TestCase):
"""
Test case for Flow Specification.
"""
# +------------+ +------------+
# | G1(GoBGP) |---(iBGP)---| E1(ExaBGP) |
# | 172.17.0.2 | | 172.17.0.3 |
# +------------+ +------------+
# |
# (iBGP)
# |
# +------------+
# | Y1(YABGP) |
# | 172.17.0.4 |
# +------------+
@classmethod
def setUpClass(cls):
gobgp_ctn_image_name = parser_option.gobgp_image
base.TEST_PREFIX = parser_option.test_prefix
cls.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)
cls.e1 = ExaBGPContainer(name='e1', asn=65000, router_id='192.168.0.2')
cls.y1 = YABGPContainer(name='y1', asn=65000, router_id='192.168.0.3')
ctns = [cls.g1, cls.e1, cls.y1]
initial_wait_time = max(ctn.run() for ctn in ctns)
time.sleep(initial_wait_time)
# Add FlowSpec routes into GoBGP.
cls.g1.add_route(
route='ipv4/all',
rf='ipv4-flowspec',
matchs=[
'destination 11.1.0.0/24',
'source 11.2.0.0/24',
"protocol '==tcp &=udp icmp >igmp >=egp <ipip <=rsvp !=gre'",
"port '==80 &=90 8080 >9090 >=8180 <9190 <=8081 !=9091 &!443'",
'destination-port 80',
'source-port 8080',
'icmp-type 0',
'icmp-code 2',
"tcp-flags '==S &=SA A !F !=U =!R'",
'packet-length 100',
'dscp 12',
'fragment dont-fragment is-fragment+first-fragment',
],
thens=['discard'])
cls.g1.add_route(
route='ipv6/dst/src/label', # others are tested on IPv4
rf='ipv6-flowspec',
matchs=[
'destination 2001:1::/64 10',
'source 2001:2::/64 15',
'label 12',
],
thens=['discard'])
cls.g1.add_peer(cls.e1, flowspec=True)
cls.e1.add_peer(cls.g1, flowspec=True)
cls.g1.add_peer(cls.y1, flowspec=True)
cls.y1.add_peer(cls.g1, flowspec=True)
cls.g1.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=cls.e1)
cls.g1.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=cls.y1)
# Add FlowSpec routes into ExaBGP.
cls.e1.add_route(
route='ipv4/all',
rf='ipv4-flowspec',
matchs=[
'destination 12.1.0.0/24',
'source 12.2.0.0/24',
'protocol =tcp',
'port >=80',
'destination-port >5000',
'source-port 8080',
'icmp-type <1',
'icmp-code <=2',
"tcp-flags FIN",
'packet-length >100&<200',
'dscp 12',
'fragment dont-fragment',
],
thens=['discard'])
cls.e1.add_route(
route='ipv6/dst/src/protocol/label', # others are tested on IPv4
rf='ipv6-flowspec',
matchs=[
'destination 2002:1::/64/10',
'source 2002:2::/64/15',
'next-header udp',
'flow-label >100',
],
thens=['discard'])
# Add FlowSpec routes into YABGP.
cls.y1.add_route(
route='ipv4/all',
rf='ipv4-flowspec',
matchs=[
'destination 13.1.0.0/24',
'source 13.2.0.0/24',
"protocol =6|=17",
# "port", # not seem to be supported
'destination-port =80',
'source-port <8080|>9090',
'icmp-type >=1',
'icmp-code <2',
# "tcp-flags", # not seem to be supported via REST API
'packet-length <=100',
'dscp =12',
# "fragment", # not seem to be supported via REST API
],
thens=['traffic-rate:0:0']) # 'discard'
# IPv6 FlowSpec: not supported with YABGP v0.4.0
# cls.y1.add_route(
# route='ipv6/dst/src/label', # others are tested on IPv4
# rf='ipv6-flowspec',
# matchs=[
# 'destination 2003:1::/64/10',
# 'source 2003:2::/64/15',
# 'label 12',
# ],
# thens=['traffic-rate:0:0']) # 'discard'
def test_01_ipv4_exabgp_adj_rib_in(self):
rib = self.e1.get_adj_rib_in(self.g1, rf='ipv4-flowspec')
self.assertEqual(1, len(rib))
nlri = list(rib)[0] # advertised from G1(GoBGP)
_exp_fmt = (
# INPUTS:
# 'destination 11.1.0.0/24',
"destination-ipv4 11.1.0.0/24 "
# 'source 11.2.0.0/24',
"source-ipv4 11.2.0.0/24 "
# "protocol '==tcp &=udp icmp >igmp >=egp <ipip <=rsvp !=gre'",
"protocol [ =tcp&=udp =icmp >igmp >=egp <ipip <=rsvp !=gre ] "
# "port '==80 &=90 8080 >9090 >=8180 <9190 <=8081 !=9091 &!443'",
"port [ =80&=90 =8080 >9090 >=8180 <9190 <=8081 !=9091&!=443 ] "
# 'destination-port 80',
"destination-port =80 "
# 'source-port 8080',
"source-port =8080 "
# 'icmp-type 0',
"icmp-type =echo-reply "
# 'icmp-code 2',
"icmp-code =2 "
# "tcp-flags '==S &=SA A !F !=U =!R'",
"tcp-flags [ =syn&=%s ack !fin !=urgent !=rst ] "
# 'packet-length 100',
"packet-length =100 "
# 'dscp 12',
"dscp =12 "
# 'fragment dont-fragment is-fragment+first-fragment',
"fragment [ dont-fragment is-fragment+first-fragment ]"
)
# Note: Considers variants of SYN + ACK
expected_list = (_exp_fmt % 'syn+ack', _exp_fmt % 'ack+syn')
self.assertIn(nlri, expected_list)
def test_02_ipv6_exabgp_adj_rib_in(self):
rib = self.e1.get_adj_rib_in(self.g1, rf='ipv6-flowspec')
self.assertEqual(1, len(rib))
nlri = list(rib)[0] # advertised from G1(GoBGP)
expected = (
# INPUTS:
# 'destination 2001:1::/64 10',
"destination-ipv6 2001:1::/64/10 "
# 'source 2001:2::/64 15',
"source-ipv6 2001:2::/64/15 "
# 'label 12',
"flow-label =12"
)
self.assertEqual(expected, nlri)
def test_03_ipv4_yabgp_adj_rib_in(self):
rib = self.y1.get_adj_rib_in(peer=self.g1, rf='flowspec')
self.assertEqual(1, len(rib))
nlri = list(rib)[0] # advertised from G1(GoBGP)
expected = (
# INPUTS:
# 'destination 11.1.0.0/24',
'{"1": "11.1.0.0/24",'
# 'source 11.2.0.0/24',
' "2": "11.2.0.0/24",'
# "protocol '==tcp &=udp icmp >igmp >=egp <ipip <=rsvp !=gre'",
' "3": "=6&=17|=1|>2|>=8|<94|<=46|><47",'
# "port '==80 &=90 8080 >9090 >=8180 <9190 <=8081 !=9091 &!443'",
' "4": "=80&=90|=8080|>9090|>=8180|<9190|<=8081|><9091&><443",'
# 'destination-port 80',
' "5": "=80",'
# 'source-port 8080',
' "6": "=8080",'
# 'icmp-type 0',
' "7": "=0",'
# 'icmp-code 2',
' "8": "=2",'
# "tcp-flags '==S &=SA A !F !=U =!R'",
' "9": "=2&=18|16|>1|>=32|>=4",'
# 'packet-length 100',
' "10": "=100",'
# 'dscp 12',
' "11": "=12",'
# 'fragment dont-fragment is-fragment+first-fragment',
' "12": "1|6"}'
)
self.assertEqual(expected, nlri)
def test_04_ipv6_yabgp_adj_rib_in(self):
# IPv6 FlowSpec: not supported with YABGP v0.4.0
pass
def test_05_ipv4_gobgp_global_rib(self):
rib = self.g1.get_global_rib(rf='ipv4-flowspec')
self.assertEqual(3, len(rib))
output_nlri_list = [r['prefix'] for r in rib]
nlri_g1 = (
# INPUTS:
# 'destination 11.1.0.0/24',
"[destination: 11.1.0.0/24]"
# 'source 11.2.0.0/24',
"[source: 11.2.0.0/24]"
# "protocol '==tcp &=udp icmp >igmp >=egp <ipip <=rsvp !=gre'",
"[protocol: ==tcp&==udp ==icmp >igmp >=egp <ipip <=rsvp !=gre]"
# "port '==80 &=90 8080 >9090 >=8180 <9190 <=8081 !=9091 &!443'",
"[port: ==80&==90 ==8080 >9090 >=8180 <9190 <=8081 !=9091&!=443]"
# 'destination-port 80',
"[destination-port: ==80]"
# 'source-port 8080',
"[source-port: ==8080]"
# 'icmp-type 0',
"[icmp-type: ==0]"
# 'icmp-code 2',
"[icmp-code: ==2]"
# "tcp-flags '==S &=SA A !F !=U =!R'",
"[tcp-flags: =S&=SA A !F !=U !=R]"
# 'packet-length 100',
"[packet-length: ==100]"
# 'dscp 12',
"[dscp: ==12]"
# 'fragment dont-fragment is-fragment+first-fragment',
"[fragment: dont-fragment is-fragment+first-fragment]"
)
nlri_e1 = (
# INPUTS:
# 'destination 12.1.0.0/24',
'[destination: 12.1.0.0/24]'
# 'source 12.2.0.0/24',
'[source: 12.2.0.0/24]'
# 'protocol =tcp',
'[protocol: ==tcp]'
# 'port >=80',
'[port: >=80]'
# 'destination-port >5000',
'[destination-port: >5000]'
# 'source-port 8080',
'[source-port: ==8080]'
# 'icmp-type <1',
'[icmp-type: <1]'
# 'icmp-code <=2',
'[icmp-code: <=2]'
# "tcp-flags FIN",
'[tcp-flags: F]'
# 'packet-length >100&<200',
'[packet-length: >100&<200]'
# 'dscp 12',
'[dscp: ==12]'
# 'fragment dont-fragment',
'[fragment: dont-fragment]'
)
nlri_y1 = (
# INPUTS:
# 'destination 13.1.0.0/24',
"[destination: 13.1.0.0/24]"
# 'source 13.2.0.0/24',
"[source: 13.2.0.0/24]"
# "protocol =6|=17",
"[protocol: ==tcp ==udp]"
# 'destination-port =80',
"[destination-port: ==80]"
# 'source-port <8080|>9090',
"[source-port: <8080 >9090]"
# 'icmp-type >=1',
"[icmp-type: >=1]"
# 'icmp-code <2',
"[icmp-code: <2]"
# 'packet-length <=100',
"[packet-length: <=100]"
# 'dscp =12',
"[dscp: ==12]"
)
for nlri in [nlri_g1, nlri_e1, nlri_y1]:
self.assertIn(nlri, output_nlri_list)
def test_06_ipv6_gobgp_global_rib(self):
rib = self.g1.get_global_rib(rf='ipv6-flowspec')
import json
self.assertEqual(2, len(rib), json.dumps(rib))
output_nlri_list = [r['prefix'] for r in rib]
nlri_g1 = (
# INPUTS:
# 'destination 2001:1::/64 10',
"[destination: 2001:1::/64/10]"
# 'source 2001:2::/64 15',
"[source: 2001:2::/64/15]"
# 'label 12',
"[label: ==12]"
)
nlri_e1 = (
# INPUTS:
# 'destination 2002:1::/64/10',
'[destination: 2002:1::/64/10]'
# 'source 2002:2::/64/15',
'[source: 2002:2::/64/15]'
# 'next-header udp',
'[protocol: ==udp]'
# 'flow-label >100',
'[label: >100]'
)
for nlri in [nlri_g1, nlri_e1]:
self.assertIn(nlri, output_nlri_list)
def test_07_ipv4_exabgp_delete_route(self):
# Delete a route on E1(ExaBGP)
self.e1.del_route(route='ipv4/all')
time.sleep(1)
# Test if the route is deleted or not
rib = self.g1.get_adj_rib_in(peer=self.e1, rf='ipv4-flowspec')
self.assertEqual(0, len(rib))
def test_08_ipv6_exabgp_delete_route(self):
# Delete a route on E1(ExaBGP)
self.e1.del_route(route='ipv6/dst/src/protocol/label')
time.sleep(1)
# Test if the route is deleted or not
rib = self.g1.get_adj_rib_in(peer=self.e1, rf='ipv6-flowspec')
self.assertEqual(0, len(rib))
def test_09_ipv4_yabgp_delete_route(self):
# Delete a route on Y1(YABGP)
self.y1.del_route(route='ipv4/all')
time.sleep(1)
# Test if the route is deleted or not
rib = self.g1.get_adj_rib_in(peer=self.y1, rf='ipv4-flowspec')
self.assertEqual(0, len(rib))
def test_10_ipv6_yabgp_delete_route(self):
# IPv6 FlowSpec: not supported with YABGP v0.4.0
pass
def test_11_ipv4_gobgp_delete_route(self):
# Delete a route on G1(GoBGP)
self.g1.del_route(route='ipv4/all')
time.sleep(1)
# Test if the route is deleted or not
rib_e1 = self.e1.get_adj_rib_in(peer=self.g1, rf='ipv4-flowspec')
self.assertEqual(0, len(rib_e1))
rib_y1 = self.y1.get_adj_rib_in(peer=self.g1, rf='ipv4-flowspec')
self.assertEqual(0, len(rib_y1))
def test_12_ipv6_gobgp_delete_route(self):
# Delete a route on G1(GoBGP)
self.g1.del_route(route='ipv6/dst/src/label')
time.sleep(1)
# Test if the route is deleted or not
rib_e1 = self.e1.get_adj_rib_in(peer=self.g1, rf='ipv6-flowspec')
self.assertEqual(0, len(rib_e1))
rib_y1 = self.y1.get_adj_rib_in(peer=self.g1, rf='ipv6-flowspec')
self.assertEqual(0, len(rib_y1))
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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