| #!/usr/bin/python |
| import os |
| import re |
| from optparse import OptionParser |
| from ipaddress import ip_network |
| from mininet.node import RemoteController, OVSBridge, Host |
| from mininet.link import TCLink |
| from mininet.log import setLogLevel |
| from mininet.net import Mininet |
| from mininet.topo import Topo |
| from mininet.nodelib import NAT |
| from mininet.cli import CLI |
| |
| from routinglib import BgpRouter, RoutedHost |
| from trellislib import DhcpServer, TaggedRoutedHost, DualHomedRoutedHost, DualHomedTaggedRoutedHost, DhcpClient, Dhcp6Client, DhcpServer, Dhcp6Server, TrellisHost |
| |
| # Parse command line options and dump results |
| def parseOptions(): |
| "Parse command line options" |
| parser = OptionParser() |
| parser.add_option( '--dhcp', dest='dhcp', type='int', default=0, |
| help='Configure hosts with dhcp or not' ) |
| parser.add_option( '--routers', dest='routers', type='int', default=0, |
| help='Configure external routers or not in the topology' ) |
| parser.add_option( '--ipv6', dest='ipv6', type='int', default=0, |
| help='Configure hosts with ipv6 or not' ) |
| parser.add_option( '--ipv4', dest='ipv4', type='int', default=1, |
| help='Configure hosts with ipv4 or not' ) |
| parser.add_option( '--onos-ip', dest='onosIp', type='str', default='', |
| help='IP address list of ONOS instances, separated by comma(,). Overrides --onos option' ) |
| |
| ( options, args ) = parser.parse_args() |
| return options, args |
| |
| opts, args = parseOptions() |
| |
| class ComcastLeafSpineFabric(Topo): |
| |
| spines = dict() |
| leafs = dict() |
| hosts_dict = dict() |
| |
| def createIpv4Hosts(self, dhcp): |
| |
| h1 = self.addHost('h1v4', cls=TrellisHost, |
| mac='00:aa:00:00:00:01', ips=['10.1.0.1/24'], |
| gateway='10.1.0.254', dhcpClient=dhcp) |
| self.addLink(h1, self.leafs[0]) |
| self.hosts_dict['h1v4'] = h1 |
| |
| h2 = self.addHost('h2v4', cls=TrellisHost, |
| mac='00:aa:00:00:01:01', ips=['10.1.10.1/24'], |
| gateway='10.1.10.254', dhcpClient=dhcp) |
| self.addLink(h2, self.leafs[0]) |
| self.hosts_dict['h2v4'] = h2 |
| |
| h3 = self.addHost('h3v4', cls=TrellisHost, |
| mac='00:aa:00:00:00:02', ips=['10.2.0.1/24'], |
| gateway='10.2.0.254', dhcpClient=dhcp) |
| self.addLink(h3, self.leafs[1]) |
| self.hosts_dict['h3v4'] = h3 |
| |
| h4 = self.addHost('h4v4', cls=TrellisHost, |
| mac='00:aa:00:00:00:03', ips=['10.2.30.1/24'], |
| gateway='10.2.30.254', dhcpClient=dhcp, |
| dualHomed=True) |
| self.addLink(h4, self.leafs[1]) |
| self.addLink(h4, self.leafs[2]) |
| self.hosts_dict['h4v4'] = h4 |
| |
| h5 = self.addHost('h5v4', cls=TrellisHost, |
| mac='00:aa:00:00:00:04', ips=['10.2.20.1/24'], |
| gateway='10.2.20.254', dhcpClient=dhcp, vlan=30, |
| dualHomed=True) |
| self.addLink(h5, self.leafs[1]) |
| self.addLink(h5, self.leafs[2]) |
| self.hosts_dict['h5v4'] = h5 |
| |
| h6 = self.addHost('h6v4', cls=TrellisHost, |
| mac='00:aa:00:00:00:05', ips=['10.2.10.1/24'], |
| gateway='10.2.10.254', dhcpClient=dhcp, vlan=20) |
| self.addLink(h6, self.leafs[2]) |
| self.hosts_dict['h6v4'] = h6 |
| |
| h7 = self.addHost('h7v4', cls=TrellisHost, |
| mac='00:aa:00:00:01:05', ips=['10.2.40.1/24'], |
| gateway='10.2.40.254', dhcpClient=dhcp, vlan=40) |
| self.addLink(h7, self.leafs[2]) |
| self.hosts_dict['h7v4'] = h7 |
| |
| h8 = self.addHost('h8v4', cls=TrellisHost, |
| mac='00:aa:00:00:00:06', ips=['10.3.0.1/24'], |
| gateway='10.3.0.254', dhcpClient=dhcp, vlan=30) |
| self.addLink(h8, self.leafs[3]) |
| self.hosts_dict['h8v4'] = h8 |
| |
| h9 = self.addHost('h9v4', cls=TrellisHost, |
| mac='00:aa:00:00:00:07', ips=['10.3.10.1/24'], |
| gateway='10.3.10.254', dhcpClient=dhcp, vlan=40, |
| dualHomed=True) |
| self.addLink(h9, self.leafs[3]) |
| self.addLink(h9, self.leafs[4]) |
| self.hosts_dict['h9v4'] = h9 |
| |
| h10 = self.addHost('h10v4', cls=TrellisHost, |
| mac='00:aa:00:00:00:08', ips=['10.3.30.1/24'], |
| gateway='10.3.30.254', dhcpClient=dhcp, vlan=40, |
| dualHomed=True) |
| self.addLink(h10, self.leafs[3]) |
| self.addLink(h10, self.leafs[4]) |
| self.hosts_dict['h10v4'] = h10 |
| |
| h11 = self.addHost('h11v4', cls=TrellisHost, |
| mac='00:aa:00:00:00:0a', ips=['10.3.20.1/24'], |
| gateway='10.3.20.254', dhcpClient=dhcp, vlan=40) |
| self.addLink(h11, self.leafs[4]) |
| self.hosts_dict['h11v4'] = h11 |
| |
| return |
| |
| def createIpv6Hosts(self, dhcp): |
| |
| h1 = self.addHost('h1v6', cls=TrellisHost, |
| mac='00:bb:00:00:00:01', ips=["1000::3fe/120"], |
| gateway='1000::3ff', dhcpClient=dhcp, ipv6=1) |
| self.addLink(h1, self.leafs[0]) |
| self.hosts_dict['h1v6'] = h1 |
| |
| h2 = self.addHost('h2v6', cls=TrellisHost, |
| mac='00:bb:00:00:01:01', ips=['1001::3fe/120'], |
| gateway='1001::3ff', dhcpClient=dhcp, ipv6=1) |
| self.addLink(h2, self.leafs[0]) |
| self.hosts_dict['h2v6'] = h2 |
| |
| h3 = self.addHost('h3v6', cls=TrellisHost, |
| mac='00:bb:00:00:00:02', ips=['1002::3fe/120'], |
| gateway='1002::3ff', dhcpClient=dhcp, ipv6=1) |
| self.addLink(h3, self.leafs[1]) |
| self.hosts_dict['h3v6'] = h3 |
| |
| h4 = self.addHost('h4v6', cls=TrellisHost, |
| mac='00:bb:00:00:00:03', ips=['1003::3fe/120'], |
| gateway='1003::3ff', dhcpClient=dhcp, ipv6=1, |
| dualHomed=True) |
| self.addLink(h4, self.leafs[1]) |
| self.addLink(h4, self.leafs[2]) |
| self.hosts_dict['h4v6'] = h4 |
| |
| # TODO: Remove this line when we |
| # find WHY dhcpv6 with tagged clients |
| # does not work. |
| dhcp = False |
| |
| h5 = self.addHost('h5v6', cls=TrellisHost, |
| mac='00:bb:00:00:00:04', ips=['1004::3fe/120'], |
| gateway='1004::3ff', dhcpClient=dhcp, ipv6=1, |
| vlan=30, |
| dualHomed=True) |
| self.addLink(h5, self.leafs[1]) |
| self.addLink(h5, self.leafs[2]) |
| self.hosts_dict['h5v6'] = h5 |
| |
| h6 = self.addHost('h6v6', cls=TrellisHost, |
| mac='00:bb:00:00:00:05', ips=['1005::3fe/120'], |
| gateway='1005::3ff', dhcpClient=dhcp, vlan=20, |
| ipv6=1) |
| self.addLink(h6, self.leafs[2]) |
| self.hosts_dict['h6v6'] = h6 |
| |
| h7 = self.addHost('h7v6', cls=TrellisHost, |
| mac='00:bb:00:00:01:05', ips=['1006::3fe/120'], |
| gateway='1006::3ff', dhcpClient=dhcp, ipv6=1, |
| vlan=40) |
| self.addLink(h7, self.leafs[2]) |
| self.hosts_dict['h7v6'] = h7 |
| |
| h8 = self.addHost('h8v6', cls=TrellisHost, |
| mac='00:bb:00:00:00:06', ips=['1007::3fe/120'], |
| gateway='1007::3ff', dhcpClient=dhcp, vlan=30) |
| self.addLink(h8, self.leafs[3]) |
| self.hosts_dict['h8v6'] = h8 |
| |
| h9 = self.addHost('h9v6', cls=TrellisHost, |
| mac='00:bb:00:00:00:07', ips=['1008::3fe/120'], |
| gateway='1008::3ff', dhcpClient=dhcp, vlan=40, |
| dualHomed=True) |
| self.addLink(h9, self.leafs[3]) |
| self.addLink(h9, self.leafs[4]) |
| self.hosts_dict['h9v6'] = h9 |
| |
| h10 = self.addHost('h10v6', cls=TrellisHost, |
| mac='00:bb:00:00:00:08', ips=['1009::3fe/120'], |
| gateway='1009::3ff', dhcpClient=dhcp, vlan=40, |
| dualHomed=True) |
| self.addLink(h10, self.leafs[3]) |
| self.addLink(h10, self.leafs[4]) |
| self.hosts_dict['h10v6'] = h10 |
| |
| h11 = self.addHost('h11v6', cls=TrellisHost, |
| mac='00:bb:00:00:00:0a', ips=['1010::3fe/120'], |
| gateway='1010::3ff', dhcpClient=dhcp, vlan=40) |
| self.addLink(h11, self.leafs[4]) |
| self.hosts_dict['h11v6'] = h11 |
| |
| return |
| |
| ''' |
| Creates the topology employed by Comcast which is a 2x5 |
| leaf spine traffic. |
| |
| S1 S2 |
| |
| L1 L2 L3 L4 L5 |
| |
| Where L2/L3 and L4/L5 are paired switches. |
| Parameters for this topology : |
| dhcp = True/False : set up dhcp servers |
| routers = True/False : set up external routers |
| ''' |
| def __init__(self, dhcp=False, routers=False, ipv4=False, ipv6=False, **opts): |
| Topo.__init__(self, **opts) |
| |
| linkopts = dict( bw=10 ) |
| |
| spine = 2 |
| leaf = 5 |
| |
| # Create spine switches |
| for s in range(spine): |
| self.spines[s] = self.addSwitch('spine10%s' % (s + 1), dpid = "00000000010%s" % (s + 1) ) |
| |
| # Create leaf switches |
| for ls in range(leaf): |
| self.leafs[ls] = self.addSwitch('leaf%s' % (ls + 1), dpid = "00000000000%s" % ( ls + 1) ) |
| |
| # connecting leaf and spines, leafs 1-5 have double links |
| for s in range( spine ): |
| spine_switch = self.spines[s] |
| |
| for ls in range( leaf ): |
| leaf_switch = self.leafs[ls] |
| |
| self.addLink( spine_switch, leaf_switch, **linkopts ) |
| if ls > 0: |
| self.addLink( spine_switch, leaf_switch, **linkopts ) |
| |
| # connect paired leafs |
| self.addLink(self.leafs[1], self.leafs[2], **linkopts) |
| self.addLink(self.leafs[3], self.leafs[4], **linkopts) |
| |
| # create hosts |
| if ipv6: |
| self.createIpv6Hosts(dhcp) |
| |
| if ipv4: |
| self.createIpv4Hosts(dhcp) |
| |
| if not ipv4 and not ipv6: |
| print("No hosts were created!") |
| |
| # create quagga routers |
| # Note: Change "fpm connection ip" to $OC1 in zebradbgp1.conf and zebradbgp2.conf to make quagga work correctly |
| if routers: |
| last_ls = self.leafs[4] |
| last_paired_ls = self.leafs[3] |
| |
| # Control plane switch (for quagga fpm) |
| cs0 = self.addSwitch('cs0', cls=OVSBridge) |
| |
| # Control plane NAT (for quagga fpm) |
| nat = self.addHost('nat', cls=NAT, |
| ip='172.16.0.1/12', |
| subnet=str(ip_network(u'172.16.0.0/12')), inNamespace=False) |
| self.addLink(cs0, nat) |
| |
| # Internal Quagga bgp1 |
| intfs = {'bgp1-eth0': [{'ipAddrs': ['10.0.1.2/24', '2000::102/120'], 'mac': '00:88:00:00:00:03', 'vlan': '110'}, |
| {'ipAddrs': ['10.0.7.2/24', '2000::702/120'], 'mac': '00:88:00:00:00:03', 'vlan': '170'}], |
| 'bgp1-eth1': {'ipAddrs': ['172.16.0.3/12']}} |
| bgp1 = self.addHost('bgp1', cls=BgpRouter, |
| interfaces=intfs, |
| quaggaConfFile='./bgpdbgp1.conf', |
| zebraConfFile='./zebradbgp1.conf') |
| self.addLink(bgp1, last_paired_ls) |
| self.addLink(bgp1, cs0) |
| |
| # Internal Quagga bgp2 |
| intfs = {'bgp2-eth0': [{'ipAddrs': ['10.0.5.2/24', '2000::502/120'], 'mac': '00:88:00:00:00:04', 'vlan': '150'}, |
| {'ipAddrs': ['10.0.6.2/24', '2000::602/120'], 'mac': '00:88:00:00:00:04', 'vlan': '160'}], |
| 'bgp2-eth1': {'ipAddrs': ['172.16.0.4/12']}} |
| bgp2 = self.addHost('bgp2', cls=BgpRouter, |
| interfaces=intfs, |
| quaggaConfFile='./bgpdbgp2.conf', |
| zebraConfFile='./zebradbgp2.conf') |
| self.addLink(bgp2, last_ls) |
| self.addLink(bgp2, cs0) |
| |
| # External Quagga r1 |
| intfs = {'r1-eth0': {'ipAddrs': ['10.0.1.1/24', '2000::101/120'], 'mac': '00:88:00:00:00:01'}, |
| 'r1-eth1': {'ipAddrs': ['10.0.5.1/24', '2000::501/120'], 'mac': '00:88:00:00:00:11'}, |
| 'r1-eth2': {'ipAddrs': ['10.0.99.1/16']}, |
| 'r1-eth3': {'ipAddrs': ['2000::9901/120']}, |
| 'r1-eth4': {'ipAddrs': ['2000::7701/120']}} |
| r1 = self.addHost('r1', cls=BgpRouter, |
| interfaces=intfs, |
| quaggaConfFile='./bgpdr1.conf') |
| self.addLink(r1, last_paired_ls) |
| self.addLink(r1, last_ls) |
| |
| # External IPv4 Host behind r1 |
| rh1v4 = self.addHost('rh1v4', cls=RoutedHost, ips=['10.0.99.2/24'], gateway='10.0.99.1') |
| self.addLink(r1, rh1v4) |
| |
| # External IPv6 Host behind r1 |
| rh1v6 = self.addHost('rh1v6', cls=RoutedHost, ips=['2000::9902/120'], gateway='2000::9901') |
| self.addLink(r1, rh1v6) |
| |
| # Another external IPv6 Host behind r1 |
| rh11v6 = self.addHost('rh11v6', cls=RoutedHost, ips=['2000::7702/120'], gateway='2000::7701') |
| self.addLink(r1, rh11v6) |
| |
| # External Quagga r2 |
| intfs = {'r2-eth0': {'ipAddrs': ['10.0.6.1/24', '2000::601/120'], 'mac': '00:88:00:00:00:02'}, |
| 'r2-eth1': {'ipAddrs': ['10.0.7.1/24', '2000::701/120'], 'mac': '00:88:00:00:00:22'}, |
| 'r2-eth2': {'ipAddrs': ['10.0.99.1/16']}, |
| 'r2-eth3': {'ipAddrs': ['2000::9901/120']}, |
| 'r2-eth4': {'ipAddrs': ['2000::8801/120']}} |
| r2 = self.addHost('r2', cls=BgpRouter, |
| interfaces=intfs, |
| quaggaConfFile='./bgpdr2.conf') |
| self.addLink(r2, last_ls) |
| self.addLink(r2, last_paired_ls) |
| |
| # External IPv4 Host behind r2 |
| rh2v4 = self.addHost('rh2v4', cls=RoutedHost, ips=['10.0.99.2/24'], gateway='10.0.99.1') |
| self.addLink(r2, rh2v4) |
| |
| # External IPv6 Host behind r2 |
| rh2v6 = self.addHost('rh2v6', cls=RoutedHost, ips=['2000::9902/120'], gateway='2000::9901') |
| self.addLink(r2, rh2v6) |
| |
| # Another external IPv6 Host behind r1 |
| rh22v6 = self.addHost('rh22v6', cls=RoutedHost, ips=['2000::8802/120'], gateway='2000::8801') |
| self.addLink(r2, rh22v6) |
| |
| # create dhcp servers |
| if dhcp: |
| cs1 = self.addSwitch('cs1', cls=OVSBridge) |
| self.addLink(cs1, self.leafs[4]) |
| if ipv4: |
| dhcp4 = self.addHost( 'dhcp', cls=TrellisHost, |
| mac="00:cc:00:00:00:01", ips=["10.0.3.253/24"], |
| gateway="10.0.3.254", dhcpServer=True) |
| self.addLink(dhcp4, cs1, **linkopts) |
| if ipv6: |
| dhcp6 = self.addHost( 'dhcp6', cls=TrellisHost, |
| mac="00:dd:00:00:00:01", ips=["2000::3fd/120"], |
| gateway="2000::3ff", dhcpServer=True, ipv6=True) |
| self.addLink(dhcp6, cs1, **linkopts) |
| |
| |
| def config( opts ): |
| |
| dhcp = bool(opts.dhcp) |
| routers = bool(opts.routers) |
| ipv6 = bool(opts.ipv6) |
| ipv4 = bool(opts.ipv4) |
| |
| if opts.onosIp != '': |
| controllers = opts.onosIp.split( ',' ) |
| else: |
| controllers = ['127.0.0.1'] |
| topo = ComcastLeafSpineFabric(dhcp=dhcp, routers=routers, ipv6=ipv6, |
| ipv4=ipv4) |
| |
| net = Mininet( topo=topo, link=TCLink, build=False, |
| controller=None, autoSetMacs=True ) |
| i = 0 |
| for ip in controllers: |
| net.addController( "c%s" % ( i ), controller=RemoteController, ip=ip ) |
| i += 1 |
| |
| net.build() |
| net.start() |
| CLI( net ) |
| net.stop() |
| |
| |
| if __name__ == '__main__': |
| setLogLevel('info') |
| config(opts) |
| os.system('sudo mn -c') |
| |