def test_verify_host_status_in_onos_controller_with_removing_one_mininet_host(self,switches=5):
try:
topo = LinearTopo(switches)
net = Mininet( topo=topo, build=False)
net.start()
ctrl = net.addController( 'onos', controller=RemoteController, ip=self.controller, port=6653)
for switch in net.switches:
switch.start( [ctrl] )
response = net.pingAll()
log.info('pingall response is %s'%response)
assert_equal(response,0.0)
self.cliEnter()
hosts = json.loads(self.cli.hosts(jsonFormat = True))
log.info('Discovered Hosts are %s'%hosts)
assert_equal(len(hosts),switches)
log.info('removing host h2')
net.delNode(net.hosts[0])
hosts = json.loads(self.cli.hosts(jsonFormat = True))
assert_equal(len(hosts),switches-1)
self.cliExit()
net.stop()
except Exception as Error:
log.info('Got error %s while creating topology'%Error)
Cleanup.cleanup()
raise
Cleanup.cleanup()
def test_verifying_nodes_removed_in_mininet_status_in_onos_controller(self,switches=50, delete=20):
try:
topo = LinearTopo(switches)
net = Mininet(topo=topo)
net.start()
o1_ctrl = net.addController( 'onos', controller=RemoteController, ip=self.controller, port=6653)
for switch in net.switches:
log.info('switch is %s'%switch)
switch.start([o1_ctrl])
time.sleep(5)
self.cliEnter()
devices = json.loads(self.cli.devices(jsonFormat = True))
device_list = []
count = 0
for device in devices:
device_list.append(str(device['id']))
log.info('device list is %s'%device_list)
for switch in net.switches:
switch_id = 'of:'+switch.dpid
if switch_id in device_list:
count += 1
assert_equal(count,switches)
count = 0
dltd_list = []
for switch in net.switches:
log.info('Switch is %s'%switch)
dltd_list.append('of:'+switch.dpid)
net.delNode(switch)
count += 1
if count == delete:
break
log.info('deleted switch dpid\'s %s'%dltd_list)
count = 0
devices = json.loads(self.cli.devices(jsonFormat = True))
for device in devices:
if str(device['id']) in dltd_list:
assert_equal(str(device['available']), 'False')
count += 1
assert_equal(count,delete)
self.cliExit()
net.stop()
except Exception as Error:
log.info('Got unexpected error %s while creating topology'%Error)
Cleanup.cleanup()
raise
Cleanup.cleanup()
def test_verifying_udp_bandwidth_between_mininet_hosts_using_iperf_with_one_host_removed(self,switches=3):
try:
topo = LinearTopo(switches)
net = Mininet(topo=topo)
net.start()
ctrl = net.addController( 'onos', controller=RemoteController, ip=self.controller, port=6653)
for switch in net.switches:
switch.start( [ctrl] )
response = net.pingAll()
iperf = net.iperf(l4Type='UDP')
log.info('Iperf response before host removed is %s'%iperf)
assert_equal(len(iperf),3)
net.delNode(net.hosts[2])
iperf = net.iperf(l4Type='UDP')
log.info('Iperf response after host removed is %s'%iperf)
assert_equal(len(iperf),3)
net.stop()
except Exception as Error:
log.info('Got unexpected error %s while creating topology'%Error)
Cleanup.cleanup()
raise
Cleanup.cleanup()
def test_verifying_pingall_with_removing_one_mininet_switch(self,switches=3):
try:
topo = LinearTopo(switches)
net = Mininet(topo=topo)
#net.build()
net.start()
ctrl = net.addController( 'onos', controller=RemoteController, ip=self.controller, port=6653)
for switch in net.switches:
switch.start( [ctrl] )
response = net.pingAll()
log.info('Pingall response before switch delete is %s'%response)
assert_equal(response,0.0)
log.info('Deleting switch s2')
net.delNode(net.switches[1])
response = net.pingAll()
log.info('Pingall response after switch delete is %s'%response)
assert_not_equal(response,0.0)
net.stop()
except Exception as Error:
log.info('Got error %s while creating topology'%Error)
Cleanup.cleanup()
raise
Cleanup.cleanup()
