Andreas Pantelopoulos | 90f0b10 | 2018-02-01 13:21:45 -0800 | [diff] [blame] | 1 | #!/usr/bin/python |
| 2 | import os |
| 3 | import re |
| 4 | from optparse import OptionParser |
| 5 | from ipaddress import ip_network |
| 6 | from mininet.node import RemoteController, OVSBridge, Host |
| 7 | from mininet.link import TCLink |
| 8 | from mininet.log import setLogLevel |
| 9 | from mininet.net import Mininet |
| 10 | from mininet.topo import Topo |
| 11 | from mininet.nodelib import NAT |
| 12 | from mininet.cli import CLI |
| 13 | |
| 14 | from routinglib import BgpRouter, RoutedHost |
Andreas Pantelopoulos | f6ed501 | 2018-02-08 21:26:01 -0800 | [diff] [blame] | 15 | from trellislib import DhcpServer, TaggedRoutedHost, DualHomedRoutedHost, DualHomedTaggedRoutedHost, DhcpClient, Dhcp6Client, DhcpServer, Dhcp6Server, TrellisHost |
Andreas Pantelopoulos | 90f0b10 | 2018-02-01 13:21:45 -0800 | [diff] [blame] | 16 | |
| 17 | # Parse command line options and dump results |
| 18 | def parseOptions(): |
| 19 | "Parse command line options" |
| 20 | parser = OptionParser() |
| 21 | parser.add_option( '--dhcp', dest='dhcp', type='int', default=0, |
| 22 | help='Configure hosts with dhcp or not' ) |
| 23 | parser.add_option( '--routers', dest='routers', type='int', default=0, |
| 24 | help='Configure external routers or not in the topology' ) |
| 25 | parser.add_option( '--ipv6', dest='ipv6', type='int', default=0, |
| 26 | help='Configure hosts with ipv6 or not' ) |
| 27 | parser.add_option( '--ipv4', dest='ipv4', type='int', default=1, |
| 28 | help='Configure hosts with ipv4 or not' ) |
| 29 | parser.add_option( '--onos-ip', dest='onosIp', type='str', default='', |
| 30 | help='IP address list of ONOS instances, separated by comma(,). Overrides --onos option' ) |
| 31 | |
| 32 | ( options, args ) = parser.parse_args() |
| 33 | return options, args |
| 34 | |
| 35 | opts, args = parseOptions() |
| 36 | |
Andreas Pantelopoulos | 90f0b10 | 2018-02-01 13:21:45 -0800 | [diff] [blame] | 37 | class ComcastLeafSpineFabric(Topo): |
| 38 | |
| 39 | spines = dict() |
| 40 | leafs = dict() |
| 41 | hosts_dict = dict() |
| 42 | |
| 43 | def createIpv4Hosts(self, dhcp): |
| 44 | |
Andreas Pantelopoulos | f6ed501 | 2018-02-08 21:26:01 -0800 | [diff] [blame] | 45 | h1 = self.addHost('h1v4', cls=TrellisHost, |
| 46 | mac='00:aa:00:00:00:01', ips=['10.1.0.1/24'], |
| 47 | gateway='10.1.0.254', dhcpClient=dhcp) |
Andreas Pantelopoulos | 90f0b10 | 2018-02-01 13:21:45 -0800 | [diff] [blame] | 48 | self.addLink(h1, self.leafs[0]) |
| 49 | self.hosts_dict['h1v4'] = h1 |
| 50 | |
Andreas Pantelopoulos | f6ed501 | 2018-02-08 21:26:01 -0800 | [diff] [blame] | 51 | h2 = self.addHost('h2v4', cls=TrellisHost, |
| 52 | mac='00:aa:00:00:01:01', ips=['10.1.10.1/24'], |
| 53 | gateway='10.1.10.254', dhcpClient=dhcp) |
Andreas Pantelopoulos | 90f0b10 | 2018-02-01 13:21:45 -0800 | [diff] [blame] | 54 | self.addLink(h2, self.leafs[0]) |
| 55 | self.hosts_dict['h2v4'] = h2 |
| 56 | |
Andreas Pantelopoulos | f6ed501 | 2018-02-08 21:26:01 -0800 | [diff] [blame] | 57 | h3 = self.addHost('h3v4', cls=TrellisHost, |
| 58 | mac='00:aa:00:00:00:02', ips=['10.2.0.1/24'], |
| 59 | gateway='10.2.0.254', dhcpClient=dhcp) |
Andreas Pantelopoulos | 90f0b10 | 2018-02-01 13:21:45 -0800 | [diff] [blame] | 60 | self.addLink(h3, self.leafs[1]) |
| 61 | self.hosts_dict['h3v4'] = h3 |
| 62 | |
Andreas Pantelopoulos | f6ed501 | 2018-02-08 21:26:01 -0800 | [diff] [blame] | 63 | h4 = self.addHost('h4v4', cls=TrellisHost, |
| 64 | mac='00:aa:00:00:00:03', ips=['10.2.30.1/24'], |
| 65 | gateway='10.2.30.254', dhcpClient=dhcp, |
| 66 | dualHomed=True) |
Andreas Pantelopoulos | 90f0b10 | 2018-02-01 13:21:45 -0800 | [diff] [blame] | 67 | self.addLink(h4, self.leafs[1]) |
| 68 | self.addLink(h4, self.leafs[2]) |
| 69 | self.hosts_dict['h4v4'] = h4 |
| 70 | |
Andreas Pantelopoulos | f6ed501 | 2018-02-08 21:26:01 -0800 | [diff] [blame] | 71 | h5 = self.addHost('h5v4', cls=TrellisHost, |
| 72 | mac='00:aa:00:00:00:04', ips=['10.2.20.1/24'], |
| 73 | gateway='10.2.20.254', dhcpClient=dhcp, vlan=30, |
| 74 | dualHomed=True) |
Andreas Pantelopoulos | 90f0b10 | 2018-02-01 13:21:45 -0800 | [diff] [blame] | 75 | self.addLink(h5, self.leafs[1]) |
| 76 | self.addLink(h5, self.leafs[2]) |
| 77 | self.hosts_dict['h5v4'] = h5 |
| 78 | |
Andreas Pantelopoulos | f6ed501 | 2018-02-08 21:26:01 -0800 | [diff] [blame] | 79 | h6 = self.addHost('h6v4', cls=TrellisHost, |
| 80 | mac='00:aa:00:00:00:05', ips=['10.2.10.1/24'], |
| 81 | gateway='10.2.10.254', dhcpClient=dhcp, vlan=20) |
Andreas Pantelopoulos | 90f0b10 | 2018-02-01 13:21:45 -0800 | [diff] [blame] | 82 | self.addLink(h6, self.leafs[2]) |
| 83 | self.hosts_dict['h6v4'] = h6 |
| 84 | |
Andreas Pantelopoulos | f6ed501 | 2018-02-08 21:26:01 -0800 | [diff] [blame] | 85 | h7 = self.addHost('h7v4', cls=TrellisHost, |
| 86 | mac='00:aa:00:00:01:05', ips=['10.2.40.1/24'], |
| 87 | gateway='10.2.40.254', dhcpClient=dhcp, vlan=40) |
Andreas Pantelopoulos | 90f0b10 | 2018-02-01 13:21:45 -0800 | [diff] [blame] | 88 | self.addLink(h7, self.leafs[2]) |
| 89 | self.hosts_dict['h7v4'] = h7 |
| 90 | |
Andreas Pantelopoulos | f6ed501 | 2018-02-08 21:26:01 -0800 | [diff] [blame] | 91 | h8 = self.addHost('h8v4', cls=TrellisHost, |
| 92 | mac='00:aa:00:00:00:06', ips=['10.3.0.1/24'], |
| 93 | gateway='10.3.0.254', dhcpClient=dhcp, vlan=30) |
Andreas Pantelopoulos | 90f0b10 | 2018-02-01 13:21:45 -0800 | [diff] [blame] | 94 | self.addLink(h8, self.leafs[3]) |
| 95 | self.hosts_dict['h8v4'] = h8 |
| 96 | |
Andreas Pantelopoulos | f6ed501 | 2018-02-08 21:26:01 -0800 | [diff] [blame] | 97 | h9 = self.addHost('h9v4', cls=TrellisHost, |
| 98 | mac='00:aa:00:00:00:07', ips=['10.3.10.1/24'], |
| 99 | gateway='10.3.10.254', dhcpClient=dhcp, vlan=40, |
| 100 | dualHomed=True) |
Andreas Pantelopoulos | 90f0b10 | 2018-02-01 13:21:45 -0800 | [diff] [blame] | 101 | self.addLink(h9, self.leafs[3]) |
| 102 | self.addLink(h9, self.leafs[4]) |
| 103 | self.hosts_dict['h9v4'] = h9 |
| 104 | |
Andreas Pantelopoulos | f6ed501 | 2018-02-08 21:26:01 -0800 | [diff] [blame] | 105 | h10 = self.addHost('h10v4', cls=TrellisHost, |
| 106 | mac='00:aa:00:00:00:08', ips=['10.3.30.1/24'], |
| 107 | gateway='10.3.30.254', dhcpClient=dhcp, vlan=40, |
| 108 | dualHomed=True) |
Andreas Pantelopoulos | 90f0b10 | 2018-02-01 13:21:45 -0800 | [diff] [blame] | 109 | self.addLink(h10, self.leafs[3]) |
| 110 | self.addLink(h10, self.leafs[4]) |
| 111 | self.hosts_dict['h10v4'] = h10 |
| 112 | |
Andreas Pantelopoulos | f6ed501 | 2018-02-08 21:26:01 -0800 | [diff] [blame] | 113 | h11 = self.addHost('h11v4', cls=TrellisHost, |
| 114 | mac='00:aa:00:00:00:0a', ips=['10.3.20.1/24'], |
| 115 | gateway='10.3.20.254', dhcpClient=dhcp, vlan=40) |
Andreas Pantelopoulos | 90f0b10 | 2018-02-01 13:21:45 -0800 | [diff] [blame] | 116 | self.addLink(h11, self.leafs[4]) |
| 117 | self.hosts_dict['h11v4'] = h11 |
| 118 | |
| 119 | return |
| 120 | |
| 121 | def createIpv6Hosts(self, dhcp): |
Andreas Pantelopoulos | f6ed501 | 2018-02-08 21:26:01 -0800 | [diff] [blame] | 122 | |
| 123 | h1 = self.addHost('h1v6', cls=TrellisHost, |
| 124 | mac='00:aa:00:00:00:01', ips=["1000::3fe/120"], |
| 125 | gateway='1000::3ff', dhcpClient=dhcp) |
| 126 | self.addLink(h1, self.leafs[0]) |
| 127 | self.hosts_dict['h1v6'] = h1 |
| 128 | |
| 129 | h2 = self.addHost('h2v6', cls=TrellisHost, |
| 130 | mac='00:aa:00:00:01:01', ips=['1001::3fe/120'], |
| 131 | gateway='1001::3ff', dhcpClient=dhcp) |
| 132 | self.addLink(h2, self.leafs[0]) |
| 133 | self.hosts_dict['h2v6'] = h2 |
| 134 | |
| 135 | h3 = self.addHost('h3v6', cls=TrellisHost, |
| 136 | mac='00:aa:00:00:00:02', ips=['1002::3fe/120'], |
| 137 | gateway='1002::3ff', dhcpClient=dhcp) |
| 138 | self.addLink(h3, self.leafs[1]) |
| 139 | self.hosts_dict['h3v6'] = h3 |
| 140 | |
| 141 | h4 = self.addHost('h4v6', cls=TrellisHost, |
| 142 | mac='00:aa:00:00:00:03', ips=['1003::3fe/120'], |
| 143 | gateway='1003::3ff', dhcpClient=dhcp, |
| 144 | dualHomed=True) |
| 145 | self.addLink(h4, self.leafs[1]) |
| 146 | self.addLink(h4, self.leafs[2]) |
| 147 | self.hosts_dict['h4v6'] = h4 |
| 148 | |
| 149 | h5 = self.addHost('h5v6', cls=TrellisHost, |
| 150 | mac='00:aa:00:00:00:04', ips=['1004::3fe/120'], |
| 151 | gateway='1004::3ff', dhcpClient=dhcp, vlan=30, |
| 152 | dualHomed=True) |
| 153 | self.addLink(h5, self.leafs[1]) |
| 154 | self.addLink(h5, self.leafs[2]) |
| 155 | self.hosts_dict['h5v6'] = h5 |
| 156 | |
| 157 | h6 = self.addHost('h6v6', cls=TrellisHost, |
| 158 | mac='00:aa:00:00:00:05', ips=['1005::3fe/120'], |
| 159 | gateway='1005::3ff', dhcpClient=dhcp, vlan=20) |
| 160 | self.addLink(h6, self.leafs[2]) |
| 161 | self.hosts_dict['h6v6'] = h6 |
| 162 | |
| 163 | h7 = self.addHost('h7v6', cls=TrellisHost, |
| 164 | mac='00:aa:00:00:01:05', ips=['1006::3fe/120'], |
| 165 | gateway='1006::3ff', dhcpClient=dhcp, vlan=40) |
| 166 | self.addLink(h7, self.leafs[2]) |
| 167 | self.hosts_dict['h7v6'] = h7 |
| 168 | |
| 169 | h8 = self.addHost('h8v6', cls=TrellisHost, |
| 170 | mac='00:aa:00:00:00:06', ips=['1007::3fe/120'], |
| 171 | gateway='1007::3ff', dhcpClient=dhcp, vlan=30) |
| 172 | self.addLink(h8, self.leafs[3]) |
| 173 | self.hosts_dict['h8v6'] = h8 |
| 174 | |
| 175 | h9 = self.addHost('h9v6', cls=TrellisHost, |
| 176 | mac='00:aa:00:00:00:07', ips=['1008::3fe/120'], |
| 177 | gateway='1008::3ff', dhcpClient=dhcp, vlan=40, |
| 178 | dualHomed=True) |
| 179 | self.addLink(h9, self.leafs[3]) |
| 180 | self.addLink(h9, self.leafs[4]) |
| 181 | self.hosts_dict['h9v6'] = h9 |
| 182 | |
| 183 | h10 = self.addHost('h10v6', cls=TrellisHost, |
| 184 | mac='00:aa:00:00:00:08', ips=['1009::3fe/120'], |
| 185 | gateway='1009::3ff', dhcpClient=dhcp, vlan=40, |
| 186 | dualHomed=True) |
| 187 | self.addLink(h10, self.leafs[3]) |
| 188 | self.addLink(h10, self.leafs[4]) |
| 189 | self.hosts_dict['h10v6'] = h10 |
| 190 | |
| 191 | h11 = self.addHost('h11v6', cls=TrellisHost, |
| 192 | mac='00:aa:00:00:00:0a', ips=['1010::3fe/120'], |
| 193 | gateway='1010::3ff', dhcpClient=dhcp, vlan=40) |
| 194 | self.addLink(h11, self.leafs[4]) |
| 195 | self.hosts_dict['h11v6'] = h11 |
| 196 | |
Andreas Pantelopoulos | 90f0b10 | 2018-02-01 13:21:45 -0800 | [diff] [blame] | 197 | return |
| 198 | |
| 199 | ''' |
| 200 | Creates the topology employed by Comcast which is a 2x5 |
| 201 | leaf spine traffic. |
| 202 | |
| 203 | S1 S2 |
| 204 | |
| 205 | L1 L2 L3 L4 L5 |
| 206 | |
| 207 | Where L2/L3 and L4/L5 are paired switches. |
| 208 | Parameters for this topology : |
| 209 | dhcp = True/False : set up dhcp servers |
| 210 | routers = True/False : set up external routers |
| 211 | ''' |
| 212 | def __init__(self, dhcp=False, routers=False, ipv4=False, ipv6=False, **opts): |
| 213 | Topo.__init__(self, **opts) |
| 214 | |
| 215 | # TODO: support IPv6 hosts |
| 216 | linkopts = dict( bw=10 ) |
| 217 | |
| 218 | spine = 2 |
| 219 | leaf = 5 |
| 220 | |
| 221 | # Create spine switches |
| 222 | for s in range(spine): |
| 223 | self.spines[s] = self.addSwitch('spine10%s' % (s + 1), dpid = "00000000010%s" % (s + 1) ) |
| 224 | |
| 225 | # Create leaf switches |
| 226 | for ls in range(leaf): |
| 227 | self.leafs[ls] = self.addSwitch('leaf%s' % (ls + 1), dpid = "00000000000%s" % ( ls + 1) ) |
| 228 | |
| 229 | # connecting leaf and spines, leafs 1-5 have double links |
| 230 | for s in range( spine ): |
| 231 | spine_switch = self.spines[s] |
| 232 | |
| 233 | for ls in range( leaf ): |
| 234 | leaf_switch = self.leafs[ls] |
| 235 | |
| 236 | self.addLink( spine_switch, leaf_switch, **linkopts ) |
| 237 | if ls > 0: |
| 238 | self.addLink( spine_switch, leaf_switch, **linkopts ) |
| 239 | |
| 240 | # connect paired leafs |
| 241 | self.addLink(self.leafs[1], self.leafs[2], **linkopts) |
| 242 | self.addLink(self.leafs[3], self.leafs[4], **linkopts) |
| 243 | |
Andreas Pantelopoulos | f6ed501 | 2018-02-08 21:26:01 -0800 | [diff] [blame] | 244 | # create dhcp servers |
| 245 | if dhcp: |
| 246 | if ipv4: |
| 247 | dhcp4 = self.addHost( 'dhcp', cls=TrellisHost, |
| 248 | mac="00:bb:00:00:00:01", ips=["10.0.3.253/24"], |
| 249 | gateway="10.0.3.254", dhcpServer=True) |
| 250 | self.addLink(self.spines[1], dhcp4, **linkopts) |
| 251 | if ipv6: |
| 252 | dhcp6 = self.addHost( 'dhcp', cls=TrellisHost, |
| 253 | mac="00:bb:00:00:00:02", ips=["2000::3fd/120"], |
| 254 | gateway="2000::3ff") |
| 255 | self.addLink(self.spines[1], dhcp4, **linkopts) |
| 256 | # creatte quagga routers |
| 257 | if routers: |
| 258 | print("NYI (quagga)!") |
| 259 | |
Andreas Pantelopoulos | 90f0b10 | 2018-02-01 13:21:45 -0800 | [diff] [blame] | 260 | # create hosts |
| 261 | if ipv6: |
| 262 | self.createIpv6Hosts(dhcp) |
| 263 | |
| 264 | if ipv4: |
| 265 | self.createIpv4Hosts(dhcp) |
| 266 | |
| 267 | if not ipv4 and not ipv6: |
| 268 | print("No hosts were created!") |
| 269 | |
| 270 | def config( opts ): |
| 271 | |
| 272 | dhcp = bool(opts.dhcp) |
| 273 | routers = bool(opts.routers) |
| 274 | ipv6 = bool(opts.ipv6) |
| 275 | ipv4 = bool(opts.ipv4) |
| 276 | |
| 277 | if opts.onosIp != '': |
| 278 | controllers = opts.onosIp.split( ',' ) |
| 279 | else: |
| 280 | controllers = ['127.0.0.1'] |
| 281 | topo = ComcastLeafSpineFabric(dhcp=dhcp, routers=routers, ipv6=ipv6, |
| 282 | ipv4=ipv4) |
| 283 | |
| 284 | net = Mininet( topo=topo, link=TCLink, build=False, |
| 285 | controller=None, autoSetMacs=True ) |
| 286 | i = 0 |
| 287 | for ip in controllers: |
| 288 | net.addController( "c%s" % ( i ), controller=RemoteController, ip=ip ) |
| 289 | i += 1 |
| 290 | |
| 291 | net.build() |
| 292 | net.start() |
| 293 | CLI( net ) |
| 294 | net.stop() |
| 295 | |
| 296 | |
| 297 | if __name__ == '__main__': |
| 298 | setLogLevel('info') |
| 299 | config(opts) |
| 300 | os.system('sudo mn -c') |
| 301 | |