diff options
Diffstat (limited to 'framework/src/onos/tools/tutorials/sdnip/tutorial.py')
| -rwxr-xr-x | framework/src/onos/tools/tutorials/sdnip/tutorial.py | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/framework/src/onos/tools/tutorials/sdnip/tutorial.py b/framework/src/onos/tools/tutorials/sdnip/tutorial.py new file mode 100755 index 00000000..4f6d6bd1 --- /dev/null +++ b/framework/src/onos/tools/tutorials/sdnip/tutorial.py @@ -0,0 +1,140 @@ +#!/usr/bin/python + +from mininet.topo import Topo +from mininet.net import Mininet +from mininet.cli import CLI +from mininet.log import setLogLevel, info, debug +from mininet.node import Host, RemoteController + +QUAGGA_DIR = '/usr/lib/quagga' +# Must exist and be owned by quagga user (quagga:quagga by default on Ubuntu) +QUAGGA_RUN_DIR = '/var/run/quagga' +CONFIG_DIR = 'configs' + +class SdnIpHost(Host): + def __init__(self, name, ip, route, *args, **kwargs): + Host.__init__(self, name, ip=ip, *args, **kwargs) + + self.route = route + + def config(self, **kwargs): + Host.config(self, **kwargs) + + debug("configuring route %s" % self.route) + + self.cmd('ip route add default via %s' % self.route) + +class Router(Host): + def __init__(self, name, quaggaConfFile, zebraConfFile, intfDict, *args, **kwargs): + Host.__init__(self, name, *args, **kwargs) + + self.quaggaConfFile = quaggaConfFile + self.zebraConfFile = zebraConfFile + self.intfDict = intfDict + + def config(self, **kwargs): + Host.config(self, **kwargs) + self.cmd('sysctl net.ipv4.ip_forward=1') + + for intf, attrs in self.intfDict.items(): + self.cmd('ip addr flush dev %s' % intf) + if 'mac' in attrs: + self.cmd('ip link set %s down' % intf) + self.cmd('ip link set %s address %s' % (intf, attrs['mac'])) + self.cmd('ip link set %s up ' % intf) + for addr in attrs['ipAddrs']: + self.cmd('ip addr add %s dev %s' % (addr, intf)) + + self.cmd('/usr/lib/quagga/zebra -d -f %s -z %s/zebra%s.api -i %s/zebra%s.pid' % (self.zebraConfFile, QUAGGA_RUN_DIR, self.name, QUAGGA_RUN_DIR, self.name)) + self.cmd('/usr/lib/quagga/bgpd -d -f %s -z %s/zebra%s.api -i %s/bgpd%s.pid' % (self.quaggaConfFile, QUAGGA_RUN_DIR, self.name, QUAGGA_RUN_DIR, self.name)) + + + def terminate(self): + self.cmd("ps ax | egrep 'bgpd%s.pid|zebra%s.pid' | awk '{print $1}' | xargs kill" % (self.name, self.name)) + + Host.terminate(self) + + +class SdnIpTopo( Topo ): + "SDN-IP tutorial topology" + + def build( self ): + s1 = self.addSwitch('s1', dpid='00000000000000a1') + s2 = self.addSwitch('s2', dpid='00000000000000a2') + s3 = self.addSwitch('s3', dpid='00000000000000a3') + s4 = self.addSwitch('s4', dpid='00000000000000a4') + s5 = self.addSwitch('s5', dpid='00000000000000a5') + s6 = self.addSwitch('s6', dpid='00000000000000a6') + + zebraConf = '%s/zebra.conf' % CONFIG_DIR + + # Switches we want to attach our routers to, in the correct order + attachmentSwitches = [s1, s2, s5, s6] + + for i in range(1, 4+1): + name = 'r%s' % i + + eth0 = { 'mac' : '00:00:00:00:0%s:01' % i, + 'ipAddrs' : ['10.0.%s.1/24' % i] } + eth1 = { 'ipAddrs' : ['192.168.%s.254/24' % i] } + intfs = { '%s-eth0' % name : eth0, + '%s-eth1' % name : eth1 } + + quaggaConf = '%s/quagga%s.conf' % (CONFIG_DIR, i) + + router = self.addHost(name, cls=Router, quaggaConfFile=quaggaConf, + zebraConfFile=zebraConf, intfDict=intfs) + + host = self.addHost('h%s' % i, cls=SdnIpHost, + ip='192.168.%s.1/24' % i, + route='192.168.%s.254' % i) + + self.addLink(router, attachmentSwitches[i-1]) + self.addLink(router, host) + + # Set up the internal BGP speaker + bgpEth0 = { 'mac':'00:00:00:00:00:01', + 'ipAddrs' : ['10.0.1.101/24', + '10.0.2.101/24', + '10.0.3.101/24', + '10.0.4.101/24',] } + bgpEth1 = { 'ipAddrs' : ['10.10.10.1/24'] } + bgpIntfs = { 'bgp-eth0' : bgpEth0, + 'bgp-eth1' : bgpEth1 } + + bgp = self.addHost( "bgp", cls=Router, + quaggaConfFile = '%s/quagga-sdn.conf' % CONFIG_DIR, + zebraConfFile = zebraConf, + intfDict=bgpIntfs ) + + self.addLink( bgp, s3 ) + + # Connect BGP speaker to the root namespace so it can peer with ONOS + root = self.addHost( 'root', inNamespace=False, ip='10.10.10.2/24' ) + self.addLink( root, bgp ) + + + # Wire up the switches in the topology + self.addLink( s1, s2 ) + self.addLink( s1, s3 ) + self.addLink( s2, s4 ) + self.addLink( s3, s4 ) + self.addLink( s3, s5 ) + self.addLink( s4, s6 ) + self.addLink( s5, s6 ) + +topos = { 'sdnip' : SdnIpTopo } + +if __name__ == '__main__': + setLogLevel('debug') + topo = SDNTopo() + + net = Mininet(topo=topo, controller=RemoteController) + + net.start() + + CLI(net) + + net.stop() + + info("done\n") |