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#
# Copyright 2016-present Ciena 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 nose.tools import *
from scapy.all import *
from OnosCtrl import OnosCtrl
from OltConfig import OltConfig
from OnosFlowCtrl import OnosFlowCtrl, get_mac
from onosclidriver import OnosCliDriver
from CordContainer import Container, Onos, Quagga
from CordTestServer import cord_test_onos_restart, cord_test_quagga_restart
from portmaps import g_subscriber_port_map
import threading
import time
import os
import json
log.setLevel('INFO')
class QuaggaStopWrapper(Container):
def __init__(self, name = 'cord-quagga', image = 'cord-test/quagga', tag = 'latest'):
super(QuaggaStopWrapper, self).__init__(name, image, tag = tag)
if self.exists():
self.kill()
class vrouter_exchange(unittest.TestCase):
apps = ('org.onosproject.vrouter', 'org.onosproject.fwd')
device_id = 'of:' + get_mac('ovsbr0')
vrouter_device_dict = { "devices" : {
"{}".format(device_id) : {
"basic" : {
"driver" : "softrouter"
}
}
},
}
zebra_conf = '''
password zebra
log stdout
service advanced-vty
!
!debug zebra rib
!debug zebra kernel
!debug zebra fpm
!
!interface eth1
! ip address 10.10.0.3/16
line vty
exec-timeout 0 0
'''
test_path = os.path.dirname(os.path.realpath(__file__))
quagga_config_path = os.path.join(test_path, '..', 'setup/quagga-config')
onos_config_path = os.path.join(test_path, '..', 'setup/onos-config')
GATEWAY = '192.168.10.50'
INGRESS_PORT = 1
EGRESS_PORT = 2
MAX_PORTS = 100
peer_list = [ ('192.168.10.1', '00:00:00:00:00:01'), ('192.168.11.1', '00:00:00:00:02:01'), ]
network_list = []
@classmethod
def setUpClass(cls):
''' Activate the vrouter apps'''
cls.olt = OltConfig()
cls.port_map = cls.olt.olt_port_map()
if not cls.port_map:
cls.port_map = g_subscriber_port_map
#cls.vrouter_host_load(host = cls.GATEWAY)
time.sleep(3)
@classmethod
def tearDownClass(cls):
'''Deactivate the vrouter apps'''
#cls.vrouter_host_unload()
def cliEnter(self):
retries = 0
while retries < 3:
self.cli = OnosCliDriver(connect = True)
if self.cli.handle:
break
else:
retries += 1
time.sleep(2)
def cliExit(self):
self.cli.disconnect()
@classmethod
def onos_load_config(cls, config):
status, code = OnosCtrl.config(config)
if status is False:
log.info('JSON request returned status %d' %code)
assert_equal(status, True)
@classmethod
def vrouter_config_get(cls, networks = 4, peers = 1):
vrouter_configs = cls.generate_vrouter_conf(networks = networks, peers = peers)
return vrouter_configs
##ONOS router does not support dynamic reconfigurations
#for config in vrouter_configs:
# cls.onos_load_config(config)
# time.sleep(5)
@classmethod
def vrouter_host_load(cls):
index = 1
for host,_ in cls.peer_list:
iface = cls.port_map[index]
index += 1
config_cmds = ( 'ifconfig {0} {1}'.format(iface, host),
'arping -I {0} {1} -c 2'.format(iface, host),
)
for cmd in config_cmds:
os.system(cmd)
@classmethod
def vrouter_host_unload(cls):
index = 1
for host,_ in cls.peer_list:
iface = cls.port_map[index]
index += 1
config_cmds = ('ifconfig {} 0'.format(iface), )
for cmd in config_cmds:
os.system(cmd)
@classmethod
def start_onos(cls, network_cfg = None):
if type(network_cfg) is tuple:
res = []
for v in network_cfg:
res += v.items()
config = dict(res)
else:
config = network_cfg
log.info('Restarting ONOS with new network configuration')
return cord_test_onos_restart(config = config)
@classmethod
def start_quagga(cls, networks = 4):
log.info('Restarting Quagga container with configuration for %d networks' %(networks))
config = cls.generate_conf(networks = networks)
if networks <= 10000:
boot_delay = 25
else:
delay_map = [60, 100, 150, 200, 300, 450, 600, 800, 1000, 1200]
n = min(networks/100000, len(delay_map)-1)
boot_delay = delay_map[n]
cord_test_quagga_restart(config = config, boot_delay = boot_delay)
@classmethod
def zgenerate_vrouter_conf(cls, networks = 4):
num = 0
start_network = ( 11 << 24) | ( 0 << 16) | ( 0 << 8) | 0
end_network = ( 200 << 24 ) | ( 0 << 16) | (0 << 8) | 0
ports_dict = { 'ports' : {} }
interface_list = []
for n in xrange(start_network, end_network):
if n & 255 == 0:
port_map = ports_dict['ports']
port = num + 1 if num < cls.MAX_PORTS - 1 else cls.MAX_PORTS - 1
device_port_key = '{0}/{1}'.format(cls.device_id, port)
try:
interfaces = port_map[device_port_key]['interfaces']
except:
port_map[device_port_key] = { 'interfaces' : [] }
interfaces = port_map[device_port_key]['interfaces']
ips = '%d.%d.%d.2/24'%( (n >> 24) & 0xff, ( ( n >> 16) & 0xff ), ( (n >> 8 ) & 0xff ) )
if num < cls.MAX_PORTS - 1:
interface_dict = { 'name' : 'b1-{}'.format(port), 'ips': [ips], 'mac' : '00:00:00:00:00:01' }
interfaces.append(interface_dict)
interface_list.append(interface_dict['name'])
else:
interfaces[0]['ips'].append(ips)
num += 1
if num == networks:
break
quagga_dict = { 'apps': { 'org.onosproject.router' : { 'router' : {} } } }
quagga_router_dict = quagga_dict['apps']['org.onosproject.router']['router']
quagga_router_dict['ospfEnabled'] = True
quagga_router_dict['interfaces'] = interface_list
quagga_router_dict['controlPlaneConnectPoint'] = '{0}/{1}'.format(cls.device_id,
networks + 1 if networks < cls.MAX_PORTS else cls.MAX_PORTS )
return (cls.vrouter_device_dict, ports_dict, quagga_dict)
@classmethod
def generate_vrouter_conf(cls, networks = 4, peers = 1):
num = 0
start_peer = ( 192 << 24) | ( 168 << 16) | (10 << 8) | 0
end_peer = ( 200 << 24 ) | (168 << 16) | (10 << 8) | 0
local_network = end_peer + 1
ports_dict = { 'ports' : {} }
interface_list = []
peer_list = []
for n in xrange(start_peer, end_peer, 256):
port_map = ports_dict['ports']
port = num + 1 if num < cls.MAX_PORTS - 1 else cls.MAX_PORTS - 1
device_port_key = '{0}/{1}'.format(cls.device_id, port)
try:
interfaces = port_map[device_port_key]['interfaces']
except:
port_map[device_port_key] = { 'interfaces' : [] }
interfaces = port_map[device_port_key]['interfaces']
ip = n + 2
peer_ip = n + 1
ips = '%d.%d.%d.%d/24'%( (ip >> 24) & 0xff, ( (ip >> 16) & 0xff ), ( (ip >> 8 ) & 0xff ), ip & 0xff)
peer = '%d.%d.%d.%d' % ( (peer_ip >> 24) & 0xff, ( ( peer_ip >> 16) & 0xff ), ( (peer_ip >> 8 ) & 0xff ), peer_ip & 0xff )
mac = RandMAC()._fix()
peer_list.append((peer, mac))
if num < cls.MAX_PORTS - 1:
interface_dict = { 'name' : 'b1-{}'.format(port), 'ips': [ips], 'mac' : mac }
interfaces.append(interface_dict)
interface_list.append(interface_dict['name'])
else:
interfaces[0]['ips'].append(ips)
num += 1
if num == peers:
break
quagga_dict = { 'apps': { 'org.onosproject.router' : { 'router' : {}, 'bgp' : { 'bgpSpeakers' : [] } } } }
quagga_router_dict = quagga_dict['apps']['org.onosproject.router']['router']
quagga_router_dict['ospfEnabled'] = True
quagga_router_dict['interfaces'] = interface_list
quagga_router_dict['controlPlaneConnectPoint'] = '{0}/{1}'.format(cls.device_id, peers + 1)
#bgp_speaker_dict = { 'apps': { 'org.onosproject.router' : { 'bgp' : { 'bgpSpeakers' : [] } } } }
bgp_speakers_list = quagga_dict['apps']['org.onosproject.router']['bgp']['bgpSpeakers']
speaker_dict = {}
speaker_dict['name'] = 'bgp{}'.format(peers+1)
speaker_dict['connectPoint'] = '{0}/{1}'.format(cls.device_id, peers + 1)
speaker_dict['peers'] = peer_list
bgp_speakers_list.append(speaker_dict)
cls.peer_list = peer_list
return (cls.vrouter_device_dict, ports_dict, quagga_dict)
@classmethod
def generate_conf(cls, networks = 4):
num = 0
start_network = ( 11 << 24) | ( 10 << 16) | ( 10 << 8) | 0
end_network = ( 172 << 24 ) | ( 0 << 16) | (0 << 8) | 0
net_list = []
peer_list = cls.peer_list
network_list = []
for n in xrange(start_network, end_network, 256):
net = '%d.%d.%d.0'%( (n >> 24) & 0xff, ( ( n >> 16) & 0xff ), ( (n >> 8 ) & 0xff ) )
network_list.append(net)
gateway = peer_list[num % len(peer_list)][0]
net_route = 'ip route {0}/24 {1}'.format(net, gateway)
net_list.append(net_route)
num += 1
if num == networks:
break
cls.network_list = network_list
zebra_routes = '\n'.join(net_list)
#log.info('Zebra routes: \n:%s\n' %cls.zebra_conf + zebra_routes)
return cls.zebra_conf + zebra_routes
@classmethod
def vrouter_activate(cls, deactivate = False):
app = 'org.onosproject.vrouter'
onos_ctrl = OnosCtrl(app)
if deactivate is True:
onos_ctrl.deactivate()
else:
onos_ctrl.activate()
time.sleep(3)
@classmethod
def vrouter_configure(cls, networks = 4, peers = 1):
##Deactivate vrouter
vrouter_configs = cls.vrouter_config_get(networks = networks, peers = peers)
cls.start_onos(network_cfg = vrouter_configs)
cls.vrouter_host_load()
##Start quagga
cls.start_quagga(networks = networks)
return vrouter_configs
def vrouter_port_send_recv(self, ingress, egress, dst_mac, dst_ip, positive_test = True):
src_mac = '00:00:00:00:00:02'
src_ip = '1.1.1.1'
self.success = False if positive_test else True
timeout = 10 if positive_test else 1
count = 2 if positive_test else 1
self.start_sending = True
def recv_task():
def recv_cb(pkt):
log.info('Pkt seen with ingress ip %s, egress ip %s' %(pkt[IP].src, pkt[IP].dst))
self.success = True if positive_test else False
sniff(count=count, timeout=timeout,
lfilter = lambda p: IP in p and p[IP].dst == dst_ip and p[IP].src == src_ip,
prn = recv_cb, iface = self.port_map[ingress])
self.start_sending = False
t = threading.Thread(target = recv_task)
t.start()
L2 = Ether(src = src_mac, dst = dst_mac)
L3 = IP(src = src_ip, dst = dst_ip)
pkt = L2/L3
log.info('Sending a packet with dst ip %s, dst mac %s on port %s to verify if flows are correct' %
(dst_ip, dst_mac, self.port_map[egress]))
while self.start_sending is True:
sendp(pkt, count=50, iface = self.port_map[egress])
t.join()
assert_equal(self.success, True)
def vrouter_traffic_verify(self, positive_test = True):
peers = len(self.peer_list)
egress = peers + 1
num = 0
num_hosts = 5 if positive_test else 1
for network in self.network_list:
num_ips = num_hosts
octets = network.split('.')
for i in xrange(num_ips):
octets[-1] = str(int(octets[-1]) + 1)
dst_ip = '.'.join(octets)
dst_mac = self.peer_list[ num % peers ] [1]
port = (num % peers)
ingress = port + 1
#Since peers are on the same network
##Verify if flows are setup by sending traffic across
self.vrouter_port_send_recv(ingress, egress, dst_mac, dst_ip, positive_test = positive_test)
num += 1
def __vrouter_network_verify(self, networks, peers = 1, positive_test = True):
_, ports_map, egress_map = self.vrouter_configure(networks = networks, peers = peers)
self.cliEnter()
##Now verify
hosts = json.loads(self.cli.hosts(jsonFormat = True))
log.info('Discovered hosts: %s' %hosts)
##We read from cli if we expect less number of routes to avoid cli timeouts
if networks <= 10000:
routes = json.loads(self.cli.routes(jsonFormat = True))
#log.info('Routes: %s' %routes)
assert_equal(len(routes['routes4']), networks)
flows = json.loads(self.cli.flows(jsonFormat = True))
flows = filter(lambda f: f['flows'], flows)
#log.info('Flows: %s' %flows)
assert_not_equal(len(flows), 0)
self.vrouter_traffic_verify()
if positive_test is False:
self.__vrouter_network_verify_negative(networks, peers = peers)
self.cliExit()
self.vrouter_host_unload()
return True
def __vrouter_network_verify_negative(self, networks, peers = 1):
##Stop quagga. Test traffic again to see if flows were removed
log.info('Stopping Quagga container')
quaggaStop = QuaggaStopWrapper()
time.sleep(2)
if networks <= 10000:
routes = json.loads(self.cli.routes(jsonFormat = True))
#Verify routes have been removed
if routes and routes.has_key('routes4'):
assert_equal(len(routes['routes4']), 0)
self.vrouter_traffic_verify(positive_test = False)
log.info('OVS flows have been removed successfully after Quagga was stopped')
self.start_quagga(networks = networks)
##Verify the flows again after restarting quagga back
if networks <= 10000:
routes = json.loads(self.cli.routes(jsonFormat = True))
assert_equal(len(routes['routes4']), networks)
self.vrouter_traffic_verify()
log.info('OVS flows have been successfully reinstalled after Quagga was restarted')
def test_vrouter_1(self):
'''Test vrouter with 5 routes'''
res = self.__vrouter_network_verify(5, peers = 1)
assert_equal(res, True)
def test_vrouter_2(self):
'''Test vrouter with 5 routes with 2 peers'''
res = self.__vrouter_network_verify(5, peers = 2)
assert_equal(res, True)
def test_vrouter_3(self):
'''Test vrouter with 6 routes with 3 peers'''
res = self.__vrouter_network_verify(6, peers = 3)
assert_equal(res, True)
def test_vrouter_4(self):
'''Test vrouter with 50 routes'''
res = self.__vrouter_network_verify(50, peers = 1)
assert_equal(res, True)
def test_vrouter_5(self):
'''Test vrouter with 50 routes and 5 peers'''
res = self.__vrouter_network_verify(50, peers = 5)
assert_equal(res, True)
def test_vrouter_6(self):
'''Test vrouter with 100 routes'''
res = self.__vrouter_network_verify(100, peers = 1)
assert_equal(res, True)
def test_vrouter_7(self):
'''Test vrouter with 100 routes and 10 peers'''
res = self.__vrouter_network_verify(100, peers = 10)
assert_equal(res, True)
def test_vrouter_8(self):
'''Test vrouter with 300 routes'''
res = self.__vrouter_network_verify(300, peers = 1)
assert_equal(res, True)
def test_vrouter_9(self):
'''Test vrouter with 1000 routes'''
res = self.__vrouter_network_verify(1000, peers = 1)
assert_equal(res, True)
def test_vrouter_10(self):
'''Test vrouter with 10000 routes'''
res = self.__vrouter_network_verify(10000, peers = 1)
assert_equal(res, True)
@nottest
def test_vrouter_11(self):
'''Test vrouter with 100000 routes'''
res = self.__vrouter_network_verify(100000, peers = 1)
assert_equal(res, True)
@nottest
def test_vrouter_12(self):
'''Test vrouter with 1000000 routes'''
res = self.__vrouter_network_verify(1000000, peers = 1)
assert_equal(res, True)
def test_vrouter_13(self):
'''Test vrouter by installing 5 routes, removing Quagga and re-starting Quagga back'''
res = self.__vrouter_network_verify(5, peers = 1, positive_test = False)
def test_vrouter_14(self):
'''Test vrouter by installing 50 routes, removing Quagga and re-starting Quagga back'''
res = self.__vrouter_network_verify(50, peers = 1, positive_test = False)