Added Bmv2 demo scripts (mininet and netcfg)
Change-Id: I7471a9ebe55f74dbe8c63faef9a8685c48621862
diff --git a/tools/test/topos/bmv2-demo.py b/tools/test/topos/bmv2-demo.py
new file mode 100644
index 0000000..c833d08
--- /dev/null
+++ b/tools/test/topos/bmv2-demo.py
@@ -0,0 +1,156 @@
+#!/usr/bin/python
+
+import argparse
+from itertools import combinations
+from time import sleep
+
+from bmv2 import ONOSBmv2Switch
+from mininet.cli import CLI
+from mininet.link import TCLink
+from mininet.log import setLogLevel
+from mininet.net import Mininet
+from mininet.node import RemoteController, Host
+from mininet.topo import Topo
+
+
+class ClosTopo(Topo):
+ "2 stage Clos topology"
+
+ def __init__(self, **opts):
+ # Initialize topology and default options
+ Topo.__init__(self, **opts)
+
+ bmv2SwitchIds = ["s11", "s12", "s13", "s21", "s22", "s23"]
+
+ bmv2Switches = {}
+
+ tport = 9090
+ for switchId in bmv2SwitchIds:
+ bmv2Switches[switchId] = self.addSwitch(switchId,
+ cls=ONOSBmv2Switch,
+ loglevel="warn",
+ device_id=int(switchId[1:]),
+ thrift_port=tport)
+ tport += 1
+
+ for i in (1, 2, 3):
+ for j in (1, 2, 3):
+ if i == j:
+ # 2 links
+ self.addLink(bmv2Switches["s1%d" % i], bmv2Switches["s2%d" % j],
+ cls=TCLink, bw=50)
+ self.addLink(bmv2Switches["s1%d" % i], bmv2Switches["s2%d" % j],
+ cls=TCLink, bw=50)
+ else:
+ self.addLink(bmv2Switches["s1%d" % i], bmv2Switches["s2%d" % j],
+ cls=TCLink, bw=50)
+
+ for hostId in (1, 2, 3):
+ host = self.addHost("h%d" % hostId,
+ cls=DemoHost,
+ ip="10.0.0.%d/24" % hostId,
+ mac='00:00:00:00:00:%02x' % hostId)
+ self.addLink(host, bmv2Switches["s1%d" % hostId], cls=TCLink, bw=22)
+
+
+class DemoHost(Host):
+ "Demo host"
+
+ def __init__(self, name, inNamespace=True, **params):
+ Host.__init__(self, name, inNamespace=inNamespace, **params)
+ self.exectoken = "/tmp/mn-exec-token-host-%s" % name
+ self.cmd("touch %s" % self.exectoken)
+
+ def config(self, **params):
+ r = super(Host, self).config(**params)
+
+ self.defaultIntf().rename("eth0")
+
+ for off in ["rx", "tx", "sg"]:
+ cmd = "/sbin/ethtool --offload eth0 %s off" % off
+ self.cmd(cmd)
+
+ # disable IPv6
+ self.cmd("sysctl -w net.ipv6.conf.all.disable_ipv6=1")
+ self.cmd("sysctl -w net.ipv6.conf.default.disable_ipv6=1")
+ self.cmd("sysctl -w net.ipv6.conf.lo.disable_ipv6=1")
+
+ return r
+
+ def startPingBg(self, h):
+ self.cmd(self.getInfiniteCmdBg("ping -i0.5 %s" % h.IP()))
+ self.cmd(self.getInfiniteCmdBg("arping -w5000000 %s" % h.IP()))
+
+ def startIperfServer(self):
+ self.cmd(self.getInfiniteCmdBg("iperf3 -s"))
+
+ def startIperfClient(self, h, flowBw="512k", numFlows=5, duration=5):
+ iperfCmd = "iperf3 -c{} -b{} -P{} -t{}".format(h.IP(), flowBw, numFlows, duration)
+ self.cmd(self.getInfiniteCmdBg(iperfCmd, sleep=0))
+
+ def stop(self):
+ self.cmd("killall iperf3")
+ self.cmd("killall ping")
+ self.cmd("killall arping")
+
+ def describe(self):
+ print "**********"
+ print self.name
+ print "default interface: %s\t%s\t%s" % (
+ self.defaultIntf().name,
+ self.defaultIntf().IP(),
+ self.defaultIntf().MAC()
+ )
+ print "**********"
+
+ def getInfiniteCmdBg(self, cmd, logfile="/dev/null", sleep=1):
+ return "(while [ -e {} ]; " \
+ "do {}; " \
+ "sleep {}; " \
+ "done;) > {} 2>&1 &".format(self.exectoken, cmd, sleep, logfile)
+
+ def getCmdBg(self, cmd, logfile="/dev/null"):
+ return "{} > {} 2>&1 &".format(cmd, logfile)
+
+
+def main(args):
+ topo = ClosTopo()
+
+ net = Mininet(topo=topo, build=False)
+
+ net.addController('c0', controller=RemoteController, ip=args.onos_ip, port=args.onos_port)
+
+ net.build()
+ net.start()
+
+ print "Network started..."
+
+ # Generates background traffic (needed for host discovery and bmv2 config swap).
+ sleep(3)
+ for (h1, h2) in combinations(net.hosts, 2):
+ h1.startPingBg(h2)
+ h2.startPingBg(h1)
+
+ for h in net.hosts:
+ h.startIperfServer()
+
+ print "Background ping started..."
+
+ # sleep(4)
+ # print "Starting traffic from h1 to h3..."
+ # net.hosts[0].startIperfClient(net.hosts[-1], flowBw="200k", numFlows=100, duration=10)
+
+ CLI(net)
+
+ net.stop()
+
+
+if __name__ == '__main__':
+ parser = argparse.ArgumentParser(description='BMv2 mininet demo script (2-stage Clos topology)')
+ parser.add_argument('--onos-ip', help='ONOS-BMv2 controller IP address',
+ type=str, action="store", required=True)
+ parser.add_argument('--onos-port', help='ONOS-BMv2 controller port',
+ type=int, action="store", default=40123)
+ args = parser.parse_args()
+ setLogLevel('info')
+ main(args)