def simpleTest():
info('*** Create and test a simple network ***\n')
topo = TopoTest()
info('*** Create the controller ***\n')
c0 = RemoteController('c0', port=6653)
info(c0)
net = Mininet(topo=topo, link=TCLink, build=False)
num_ini = 1
num_end = 1
# Asignando una MAC determinada a las interfaces de los switches
for s in net.switches:
for i in s.intfs.values()[1:]:
print i
s.intf(str(i)).setMAC(
str(num_ini) + "0:00:00:00:00:0" + str(num_end))
num_end += 1
num_end = 1
num_ini += 1
net.addController(c0)
info('*** Build the network\n')
net.build()
info('*** Starting network\n')
net.start()
info('*** Running CLI\n')
CLI(net)
info('*** Stopping network')
net.stop()
def test():
op = OptionParser()
op.add_option('--cli', action="store_true", dest="cli")
op.add_option('--ports', action="store", dest="ports")
op.set_defaults(cli=False, ports=2)
options, args = op.parse_args()
topo = SingleSwitchTopo(int(options.ports))
NetASMSwitch.CTL_ADDRESS = "127.0.0.1"
NetASMSwitch.CTL_PORT = 7791
net = Mininet(topo,
switch=NetASMSwitch,
autoSetMacs=True,
controller=lambda name: RemoteController(name))
NetASMSwitch.start_datapath(net.switches, address="127.0.0.1", port=6633)
net.start()
if options.cli:
CLI(net)
else:
net.pingAll()
net.stop()
NetASMSwitch.stop_datapath()
def main():
"Create and run the Wordcount mapreduce program in Mininet topology"
# parse the command line
parsed_args = parseCmdLineArgs()
# instantiate our topology
print("Instantiate topology")
topo = MR_Topo(Racks=parsed_args.racks,
M=parsed_args.map,
R=parsed_args.reduce)
# create the network
print("Instantiate network")
net = Mininet(topo, link=TCLink)
# activate the network
print("Activate network")
net.start()
# debugging purposes
print("Dumping host connections")
dumpNodeConnections(net.hosts)
# For large networks, this takes too much time so we
# are skipping this. But it works.
#
# debugging purposes
#print "Testing network connectivity"
#net.pingAll ()
#print "Running wordcount apparatus"
# Unfortunately, I cannot get this to work :-(
#runMapReduceWordCount (net.hosts, parsed_args)
print("Generating commands file to be sourced")
genCommandsFile(net.hosts, parsed_args)
# run the cli
CLI(net)
# @NOTE@
# You should run the generated commands by going to the
# Mininet prompt on the CLI and typing:
# source commands.txt
# Then, keep checking if all python jobs (except one) are completed
# You can look at the *.out files which have all the debugging data
# If there are errors in running the python code, these will also
# show up in the *.out files.
# cleanup
net.stop()
def topology():
print('Creating Mininet Topology...\n')
net = Mininet(host=RemoteHost, link=RemoteLink, switch=RemoteOVSSwitch)
print(
'Creating hosts h1 (20.0.0.1) and h2 (20.0.0.2)...\nObs.: h1 is in node1 and h2 is in node2\n'
)
h1 = net.addHost('h1', ip='20.0.0.1')
h2 = net.addHost('h2', ip='20.0.0.2', server='node2')
print('Creating a link between h1 and h2...\n')
net.addLink(h1, h2)
print('\n----------------------------------------------\n\n')
print(
'Creating hosts h3, h4, h5 and h6\nObs.: h3 and h4 is in node1. h5 and h6 is in node2\n'
)
h3 = net.addHost('h3', ip='20.0.0.3')
h4 = net.addHost('h4', ip='20.0.0.4')
h5 = net.addHost('h5', ip='20.0.0.5', server='node2')
h6 = net.addHost('h6', ip='20.0.0.6', server='node2')
print(
'Creating OVS switches s0, s1 and s2.\nObs.: s0 and s1 is in node1. s2 is in node2\n'
)
s0 = net.addSwitch('s0')
s1 = net.addSwitch('s1')
s2 = net.addSwitch('s2', server='node2')
print(
'Creating links between:\n . s0 - s1\n . . s1 - h3\n . . s1 - h4\n . s0 - s2\n . . s2 - h5\n . . s2 - h6\n'
)
net.addLink(s0, s1)
net.addLink(s0, s2)
net.addLink(h3, s1)
net.addLink(h4, s1)
net.addLink(h5, s2)
net.addLink(h6, s2)
#print('Adding permit all rule in s0, s1 and s2')
#os.system('sh ovs-ofctl add-flow s0 action=normal')
#os.system('sh ovs-ofctl add-flow s1 action=normal')
#os.system('sh ovs-ofctl add-flow s2 action=normal')
net.start()
CLI(net)
net.stop()
def main():
"Create and run the Wordcount mapreduce program in Mininet topology"
# parse the command line
parsed_args = parseCmdLineArgs()
# instantiate our topology
print "Instantiate topology"
topo = JF_Topo(number_of_servers=parsed_args.nServers,
switch_graph_degree=parsed_args.nSwitches,
number_of_links=parsed_args.nPorts)
# create the network
print "Instantiate network"
#net = Mininet (topo, link=TCLink)
net = Mininet(topo=topo,
host=CPULimitedHost,
link=TCLink,
controller=JELLYPOX,
autoSetMacs=True)
# activate the network
print "Activate network"
net.start()
# debugging purposes
print "Dumping host connections"
dumpNodeConnections(net.hosts)
#print "Generating commands file to be sourced"
#genCommandsFile (net.hosts, parsed_args)
# run the cli
CLI(net)
# @NOTE@
# You should run the generated commands by going to the
# Mininet prompt on the CLI and typing:
# source commands.txt
# Then, keep checking if all python jobs (except one) are completed
# You can look at the *.out files which have all the debugging data
# If there are errors in running the python code, these will also
# show up in the *.out files.
# cleanup
net.stop()
def main():
"Create and run the Wordcount mapreduce program in Mininet topology"
# instantiate our topology
print "Instantiate topology"
topo = Fattree(4)
# k = 4 in this case
#topo.createTopo()
#
#topo.createLink()
# create link between hosts and switches
net = Mininet(topo, link=TCLink)
#net.addController('Controller', port=5557)
net.start()
# debugging purposes
print "Dumping host connections"
dumpNodeConnections(net.hosts)
topo.set_ovs_protocol_13()
#genCommandsFile (net.hosts, parsed_args)
# run the cli
#print "Testing network connectivity"
CLI(net)
# @NOTE@
# You should run the generated commands by going to the
# Mininet prompt on the CLI and typing:
# source commands.txt
# Then, keep checking if all python jobs (except one) are completed
# You can look at the *.out files which have all the debugging data
# If there are errors in running the python code, these will also
# show up in the *.out files.
# cleanup
#net.pingAll()
net.stop()
# Add switches
info('*** Adding switches\n')
s1 = net.addSwitch('s1', protocols='OpenFlow13') #...
s2 = net.addSwitch('s2', protocols='OpenFlow13') #...
# Add links
info('*** Creating links\n')
for i in range(num_machines // 2):
links.append(net.addLink(hosts[i], s1, bw=10))
for i in range(num_machines // 2, num_machines):
links.append(net.addLink(hosts[i], s2, bw=10))
links.append(net.addLink(s1, s2, bw=1000))
links.append(net.addLink(c_h100, s1))
links.append(net.addLink(s_h200, s2))
net.addController(c0)
# Build the network
info('*** Build the network\n')
net.build()
info('*** Starting network\n')
net.start()
info('*** Running CLI\n')
CLI(net)
info('*** Stopping network')
net.stop()
def test():
topo = MyTopo()
net = Mininet(topo=topo, link=TCLink)
net.start()
CLI(net)
net.stop()
self.addLink(host4, switch2)
self.addLink(host5, switch2)
self.addLink(host3, switch3)
self.addLink(host6, switch4)
self.addLink(switch1, switch5)
self.addLink(switch2, switch5)
self.addLink(switch3, switch5)
self.addLink(switch4, switch5)
if __name__ == '__main__':
PARSER = argparse.ArgumentParser()
PARSER.add_argument('--ip',
dest='ip',
help='ONOS Network Controller IP Address',
default='127.0.0.1',
type=str)
CLI_ARGS = PARSER.parse_args()
setLogLevel('info')
SWITCH = partial(OVSSwitch, protocols='OpenFlow13')
NET = Mininet(topo=SampleTopology(),
controller=RemoteController('ONOS',
ip=CLI_ARGS.ip,
port=6633),
switch=SWITCH)
NET.start()
CLI(NET)
NET.stop()
def _CLI(self):
CLI(self.net)