| 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 |
| from CordTestServer import cord_test_onos_restart |
| from portmaps import g_subscriber_port_map |
| import threading |
| import time |
| import os |
| import json |
| log.setLevel('INFO') |
| |
| class Quagga(Container): |
| quagga_config = '/root/config' |
| def __init__(self, name = 'cord-quagga', image = 'cord-test/quagga', tag = 'latest'): |
| super(Quagga, self).__init__(name, image, tag = tag) |
| if not self.exists(): |
| raise Exception('Quagga container was not started by cord-test') |
| |
| 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 = '172.17.0.50' |
| MAX_PORTS = 100 |
| |
| @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): |
| vrouter_configs = cls.generate_vrouter_conf(networks = networks) |
| 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, host=GATEWAY, iface = 'veth0'): |
| 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, iface='veth0'): |
| 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') |
| cfg = json.dumps(config) |
| with open('{}/network-cfg.json'.format(cls.onos_config_path), 'w') as f: |
| f.write(cfg) |
| |
| return cord_test_onos_restart() |
| |
| @classmethod |
| def start_quagga(cls, stop = True, networks = 4, gateway = GATEWAY): |
| quagga = Quagga() |
| log.info('Starting Quagga on container %s with %d networks' %(quagga.name, networks)) |
| if stop is True: |
| quagga.execute('{}/stop.sh'.format(Quagga.quagga_config)) |
| config = cls.generate_conf(networks = networks, gateway = gateway) |
| with open('{}/testrib_gen.conf'.format(cls.quagga_config_path), 'w') as f: |
| f.write(config) |
| quagga.execute('{0}/start.sh {1}/testrib_gen.conf'.format(Quagga.quagga_config, Quagga.quagga_config)) |
| time.sleep(10) |
| |
| @classmethod |
| def generate_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_conf(cls, networks = 4, gateway = GATEWAY): |
| num = 0 |
| start_network = ( 11 << 24) | ( 0 << 16) | ( 0 << 8) | 0 |
| end_network = ( 200 << 24 ) | ( 0 << 16) | (0 << 8) | 0 |
| net_list = [] |
| for n in xrange(start_network, end_network): |
| if n & 255 == 0: |
| net = '%d.%d.%d.0'%( (n >> 24) & 0xff, ( ( n >> 16) & 0xff ), ( (n >> 8 ) & 0xff ) ) |
| net_route = 'ip route {0}/24 {1}'.format(net, gateway) |
| net_list.append(net_route) |
| num += 1 |
| if num == networks: |
| break |
| 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): |
| ##Deactivate vrouter |
| vrouter_configs = cls.vrouter_config_get(networks = networks) |
| #cls.start_onos(network_cfg = vrouter_configs) |
| ##Start quagga with 4 networks |
| #cls.start_quagga(networks = networks, stop = True, gateway = cls.GATEWAY) |
| return vrouter_configs |
| |
| def vrouter_port_send_recv(self, ingress, egress, dst_mac, dst_ip): |
| src_mac = '00:00:00:00:00:02' |
| src_ip = '172.17.0.100' |
| self.success = False |
| 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 |
| sniff(count=2, timeout=5, |
| 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[egress]) |
| |
| 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[ingress])) |
| sendp(pkt, count=50, iface = self.port_map[ingress]) |
| t.join() |
| assert_equal(self.success, True) |
| |
| def vrouter_traffic_verify(self, ports_dict, egress_dict): |
| egress = int(egress_dict['apps']['org.onosproject.router']['router']['controlPlaneConnectPoint'].split('/')[1]) |
| for dev in ports_dict['ports'].keys(): |
| for intf in ports_dict['ports'][dev]['interfaces']: |
| for ip in intf['ips']: |
| dst_ip = ip.split('/')[0] |
| dst_mac = intf['mac'] |
| port = intf['name'] |
| ingress = int(port.split('-')[1]) |
| ##Verify if flows are setup by sending traffic across |
| self.vrouter_port_send_recv(ingress, egress, dst_mac, dst_ip) |
| |
| def __vrouter_network_verify(self, networks): |
| _, ports_map, egress_map = self.vrouter_configure(networks = networks) |
| self.cliEnter() |
| ##Now verify |
| hosts = json.loads(self.cli.hosts(jsonFormat = True)) |
| log.info('Discovered hosts: %s' %hosts) |
| 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(ports_map, egress_map) |
| self.cliExit() |
| return True |
| |
| def test_vrouter_1(self): |
| '''Test vrouter with 5 routes''' |
| res = self.__vrouter_network_verify(5) |
| assert_equal(res, True) |
| |
| def test_vrouter_2(self): |
| '''Test vrouter with 20 routes''' |
| res = self.__vrouter_network_verify(50) |
| assert_equal(res, True) |
| |
| def test_vrouter_3(self): |
| '''Test vrouter with 100 routes''' |
| res = self.__vrouter_network_verify(100) |
| assert_equal(res, True) |
| |
| def test_vrouter_4(self): |
| '''Test vrouter with 200 routes''' |
| res = self.__vrouter_network_verify(300) |
| assert_equal(res, True) |