def create_topology1():
# create topology
net = DCNetwork(controller=RemoteController, monitor=False, enable_learning = False)
dc1 = net.addDatacenter("dc1")
dc2 = net.addDatacenter("dc2")
s1 = net.addSwitch("s1")
net.addLink(dc1, s1, delay="10ms")
net.addLink(dc2, s1, delay="20ms")
# add the command line interface endpoint to each DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDatacenter(dc1)
rapi1.connectDatacenter(dc2)
# run API endpoint server (in another thread, don't block)
rapi1.start()
# add the SONATA dummy gatekeeper to each DC
sdkg1 = SonataDummyGatekeeperEndpoint("0.0.0.0", 5000)
sdkg1.connectDatacenter(dc1)
sdkg1.connectDatacenter(dc2)
# run the dummy gatekeeper (in another thread, don't block)
sdkg1.start()
# start the emulation platform
net.start()
def create_topology1():
# create topology
net = DCNetwork(controller=RemoteController, monitor=False, enable_learning=True)
dc1 = net.addDatacenter("dc1")
dc2 = net.addDatacenter("dc2")
s1 = net.addSwitch("s1")
net.addLink(dc1, s1, delay="10ms")
net.addLink(dc2, s1, delay="20ms")
# add the command line interface endpoint to each DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc1)
rapi1.connectDatacenter(dc2)
# run API endpoint server (in another thread, don't block)
rapi1.start()
# add the SONATA dummy gatekeeper to each DC
sdkg1 = SonataDummyGatekeeperEndpoint("0.0.0.0", 5000, deploy_sap=False)
sdkg1.connectDatacenter(dc1)
sdkg1.connectDatacenter(dc2)
# run the dummy gatekeeper (in another thread, don't block)
sdkg1.start()
# start the emulation platform
net.start()
net.CLI()
rapi1.stop()
net.stop()
def __init__(self, port=5000):
GracefulKiller(self)
# create topology
self.net = DCNetwork(controller=RemoteController,
monitor=False,
enable_learning=False)
self.dc = self.net.addDatacenter("dc1")
# add the command line interface endpoint to each DC (REST API)
self.rapi1 = RestApiEndpoint("0.0.0.0", port + 1)
self.rapi1.connectDCNetwork(self.net)
self.rapi1.connectDatacenter(self.dc)
# run API endpoint server (in another thread, don't block)
self.rapi1.start()
# add the SONATA dummy gatekeeper to each DC
self.sdkg1 = SonataDummyGatekeeperEndpoint("0.0.0.0",
port,
deploy_sap=False)
self.sdkg1.connectDatacenter(self.dc)
# run the dummy gatekeeper (in another thread, don't block)
self.sdkg1.start()
self.net.start()
LOG.info("Started topology")
while (not self.stop_now):
sleep(1)
self.net.stop()
LOG.info("Stopped topology")
def _create_rest_api_endpoints(self):
# create
apiR = RestApiEndpoint("0.0.0.0", 5001)
# connect PoPs
apiR.connectDatacenter(self.pop1)
apiR.connectDatacenter(self.pop2)
apiR.connectDatacenter(self.pop3)
apiR.connectDatacenter(self.pop4)
# connect network
apiR.connectDCNetwork(self)
# start
apiR.start()
def create_topology():
net = DCNetwork(monitor=False, enable_learning=True)
dc1 = net.addDatacenter("dc1")
# add OpenStack-like APIs to the emulated DC
api1 = OpenstackApiEndpoint("0.0.0.0", 6001)
api1.connect_datacenter(dc1)
api1.start()
api1.connect_dc_network(net)
# add the command line interface endpoint to the emulated DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc1)
rapi1.start()
s1 = net.addSwitch('s1')
h1 = net.addHost('h1')
h2 = net.addDocker('h2',dimage='host:server')
net.addLink(h1, s1, delay='20ms')
net.addLink(h2, s1, delay='20ms')
net.addLink(dc1, s1, delay='20ms')
net.start()
net.CLI()
# when the user types exit in the CLI, we stop the emulator
net.stop()
def DemoTopology():
net = DCNetwork(monitor=True, enable_learning=True)
dc1 = net.addDatacenter("osm-pop1")
dc2 = net.addDatacenter("osm-pop2")
s1 = net.addSwitch("s1")
net.addLink(dc1, s1)
net.addLink(dc2, s1)
# add OpenStack-like APIs to the emulated DC
api1 = OpenstackApiEndpoint("127.0.0.1", 6001)
api2 = OpenstackApiEndpoint("127.0.0.1", 6002)
api1.connect_datacenter(dc1)
api2.connect_datacenter(dc2)
api1.start()
api2.start()
api1.connect_dc_network(net)
api2.connect_dc_network(net)
# add the command line interface endpoint to the emulated DC (REST API)
Rapi = RestApiEndpoint("0.0.0.0", 5001)
Rapi.connectDCNetwork(net)
Rapi.connectDatacenter(dc1)
Rapi.connectDatacenter(dc2)
Rapi.start()
net.start()
net.CLI()
# when the user types exit in the CLI, we stop the emulator
net.stop()
def create_topology1():
# create topology
net = DCNetwork(controller=RemoteController,
monitor=True,
enable_learning=True)
dc1 = net.addDatacenter("dc1")
# add the command line interface endpoint to each DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc1)
# run API endpoint server (in another thread, don't block)
rapi1.start()
# specify a vnfd file to be deployed as internal SAP:
sap_vnfd = 'custom_sap_vnfd.yml'
dir_path = os.path.dirname(__file__)
sap_vnfd_path = os.path.join(dir_path, sap_vnfd)
# sap_vnfd_path = None
# add the SONATA dummy gatekeeper to each DC
sdkg1 = SonataDummyGatekeeperEndpoint("0.0.0.0",
5000,
deploy_sap=True,
auto_deploy=True,
docker_management=True,
auto_delete=True,
sap_vnfd_path=sap_vnfd_path)
sdkg1.connectDatacenter(dc1)
# run the dummy gatekeeper (in another thread, don't block)
sdkg1.start()
# start the emulation platform
net.start()
net.CLI()
net.stop()
def create_topology1():
# create topology
net = DCNetwork(controller=RemoteController,
monitor=False,
enable_learning=False)
# add datecenters
dc1 = net.addDatacenter("dc1")
dc2 = net.addDatacenter("dc2")
# add some intermediate switch
s1 = net.addSwitch("s1")
# connect data centers
net.addLink(dc1, s1, delay="10ms")
net.addLink(dc2, s1, delay="20ms")
# add REST control endpoints to each datacenter (to be used with son-emu-cli)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc1)
rapi1.connectDatacenter(dc2)
rapi1.start()
# start the emulation platform
net.start()
net.CLI()
net.stop()
def create_topology():
net = DCNetwork(monitor=False, enable_learning=True)
dc1 = net.addDatacenter("dc1")
# add OpenStack-like APIs to the emulated DC
api1 = OpenstackApiEndpoint("0.0.0.0", 6001)
api1.connect_datacenter(dc1)
api1.start()
api1.connect_dc_network(net)
# add the command line interface endpoint to the emulated DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc1)
rapi1.start()
s1 = net.addSwitch('s1')
d1 = net.addDocker('d1', ip='10.100.0.1', dimage="ubuntu:trusty")
d2 = net.addDocker('d2', ip='10.100.0.2', dimage="ubuntu:trusty")
net.addLink(s1, d1)
net.addLink(s1, d2)
net.addLink(s1, dc1)
net.start()
net.CLI()
# when the user types exit in the CLI, we stop the emulator
net.stop()
def create_topology():
net = DCNetwork(monitor=False, enable_learning=True)
dc1 = net.addDatacenter("dc1")
# add OpenStack-like APIs to the emulated DC
api1 = OpenstackApiEndpoint("0.0.0.0", 6001)
api1.connect_datacenter(dc1)
api1.start()
api1.connect_dc_network(net)
# add the command line interface endpoint to the emulated DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc1)
rapi1.start()
s1 = net.addSwitch('s1')
s2 = net.addSwitch('s2')
s3 = net.addSwitch('s3')
h1 = net.addHost('h1')
h2 = net.addHost('h2')
h3 = net.addHost('h3')
net.addLink(h1, s1)
net.addLink(h2, s2)
net.addLink(h3, s3)
#create a switch triangle
net.addLink(s1, s2)
net.addLink(s2, s3)
net.addLink(s1, s3)
net.start()
net.CLI()
# when the user types exit in the CLI, we stop the emulator
net.stop()
def create_topology1():
# create topology
net = DCNetwork(controller=RemoteController,
monitor=False,
enable_learning=False)
# add datecenters
dc1 = net.addDatacenter("dc1")
dc2 = net.addDatacenter("dc2")
# add some intermediate switch
s1 = net.addSwitch("s1")
# connect data centers
net.addLink(dc1, s1, delay="10ms")
net.addLink(dc2, s1, delay="20ms")
# add REST control endpoints to each datacenter (to be used with son-emu-cli)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc1)
rapi1.connectDatacenter(dc2)
rapi1.start()
# add the SONATA dummy gatekeeper to each DC
sdkg1 = SonataDummyGatekeeperEndpoint("0.0.0.0", 5000)
sdkg1.connectDatacenter(dc1)
sdkg1.connectDatacenter(dc2)
# run the dummy gatekeeper (in another thread, don't block)
sdkg1.start()
# start the emulation platform
net.start()
net.CLI()
net.stop()
def create_topology():
net = DCNetwork(monitor=False, enable_learning=True)
# create two data centers
dc1 = net.addDatacenter("dc1")
dc2 = net.addDatacenter("dc2")
# interconnect data centers
net.addLink(dc1, dc2, delay="20ms")
# add the command line interface endpoint to the emulated DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc1)
rapi1.connectDatacenter(dc2)
rapi1.start()
# add the 5GTANGO lightweight life cycle manager (LLCM) to the topology
llcm1 = TangoLLCMEndpoint("0.0.0.0",
5000,
deploy_sap=False,
placement_algorithm_obj=StaticConfigPlacement(
"~/static_placement.yml"))
llcm1.connectDatacenter(dc1)
llcm1.connectDatacenter(dc2)
# run the dummy gatekeeper (in another thread, don't block)
llcm1.start()
# start the emulation and enter interactive CLI
net.start()
net.CLI()
# when the user types exit in the CLI, we stop the emulator
net.stop()
class EmulatorProfilingTopology(object):
def __init__(self):
pass
def start(self):
LOG.info("Starting emulation ...")
setLogLevel('info') # set Mininet loglevel
# create topology
self.net = DCNetwork(monitor=False, enable_learning=False)
# we only need one DC for benchmarking
dc = self.net.addDatacenter("dc1")
# add the command line interface endpoint to each DC (REST API)
self.rapi1 = RestApiEndpoint("0.0.0.0", 5001)
self.rapi1.connectDCNetwork(self.net)
self.rapi1.connectDatacenter(dc)
self.rapi1.start()
# add the 5GTANGO lightweight life cycle manager (LLCM) to the topology
self.llcm1 = TangoLLCMEndpoint("0.0.0.0", 5000, deploy_sap=False)
self.llcm1.connectDatacenter(dc)
self.llcm1.start()
self.net.start()
def stop(self):
LOG.info("Stopping emulation ...")
self.rapi1.stop()
self.llcm1.stop()
self.net.stop()
def create_topology1():
# create topology
net = DCNetwork(controller=RemoteController, monitor=False, enable_learning=True)
# add datecenters
dc1 = net.addDatacenter("dc1")
# add REST control endpoints to datacenter (to be used with son-emu-cli)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc1)
rapi1.start()
# add OpenStack/like interface endpoints to dc1
api1 = OpenstackApiEndpoint("0.0.0.0", 6001)
# connect PoPs
api1.connect_datacenter(dc1)
# connect network
api1.connect_dc_network(net)
# start
api1.start()
# start the emulation platform
net.start()
net.CLI()
net.stop()
def _create_rest_api_endpoints(self):
# create
api1 = RestApiEndpoint("0.0.0.0", 5001)
# connect PoPs
api1.connectDatacenter(self.pop1)
api1.connectDatacenter(self.pop2)
api1.connectDatacenter(self.pop3)
api1.connectDatacenter(self.pop4)
# connect network
api1.connectDCNetwork(self)
# start
api1.start()
def __init__(self):
GracefulKiller(self)
# create topology
self.net = DCNetwork(controller=RemoteController, monitor=False, enable_learning=False)
self.dc = self.net.addDatacenter("dc1")
# add the command line interface endpoint to each DC (REST API)
self.rapi1 = RestApiEndpoint("0.0.0.0", 5001)
self.rapi1.connectDCNetwork(self.net)
self.rapi1.connectDatacenter(self.dc)
# run API endpoint server (in another thread, don't block)
self.rapi1.start()
# add the SONATA dummy gatekeeper to each DC
self.sdkg1 = SonataDummyGatekeeperEndpoint("0.0.0.0", 5000, deploy_sap=False)
self.sdkg1.connectDatacenter(self.dc)
# run the dummy gatekeeper (in another thread, don't block)
self.sdkg1.start()
self.net.start()
LOG.info("Started topology")
while(not self.stop_now):
sleep(1)
self.net.stop()
LOG.info("Stopped topology")
def create_topology(self):
self.net = DCNetwork(monitor=False, enable_learning=True)
self.dc1 = self.net.addDatacenter("dc1")
self.dc2 = self.net.addDatacenter("dc2")
self.net.addLink(self.dc1, self.dc2, cls=TCLink, delay="50ms")
# add OpenStack-like APIs to the emulated DC
self.api1 = OpenstackApiEndpoint("0.0.0.0", 6001)
self.api1.connect_datacenter(self.dc1)
self.api1.connect_dc_network(self.net)
self.api2 = OpenstackApiEndpoint("0.0.0.0", 6002)
self.api2.connect_datacenter(self.dc2)
self.api2.connect_dc_network(self.net)
# add the command line interface endpoint to the emulated DC (REST API)
self.rapi1 = RestApiEndpoint("0.0.0.0", 5001)
self.rapi1.connectDCNetwork(self.net)
self.rapi1.connectDatacenter(self.dc1)
self.rapi1.connectDatacenter(self.dc2)
def create_topology1():
# create topology
net = DCNetwork(controller=RemoteController, monitor=True, enable_learning=True)
dc1 = net.addDatacenter("dc1")
# add the command line interface endpoint to each DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc1)
# run API endpoint server (in another thread, don't block)
rapi1.start()
# specify a vnfd file to be deployed as internal SAP:
sap_vnfd = 'custom_sap_vnfd.yml'
dir_path = os.path.dirname(__file__)
sap_vnfd_path = os.path.join(dir_path, sap_vnfd)
sap_vnfd_path = None
# add the SONATA dummy gatekeeper to each DC
sdkg1 = SonataDummyGatekeeperEndpoint("0.0.0.0", 5000, deploy_sap=True, auto_deploy=True,
docker_management=True, auto_delete=True,
sap_vnfd_path=sap_vnfd_path)
sdkg1.connectDatacenter(dc1)
# run the dummy gatekeeper (in another thread, don't block)
sdkg1.start()
# start the emulation platform
net.start()
net.CLI()
net.stop()
def create_topology(httpmode=False):
net = DCNetwork(monitor=False, enable_learning=True)
DC = net.addDatacenter("DC")
# add OpenStack-like APIs to the emulated DC
api1 = OpenstackApiEndpoint("0.0.0.0", 6001)
api1.connect_datacenter(DC)
api1.start()
api1.connect_dc_network(net)
# add the command line interface endpoint to the emulated DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(DC)
rapi1.start()
#Generation Switches
s1 = net.addSwitch('s1')
s2 = net.addSwitch('s2')
s3 = net.addSwitch('s3')
#Generation Hosts
S = createHost(httpmode, net, 'S')
GI = createGW(httpmode, net, 'GI')
GFA = createGW(httpmode, net, 'GFA')
DVA = createDV(httpmode, net, 'DVA')
#Generation Links
net.addLink(S, s1)
net.addLink(GI, s2)
net.addLink(GFA, s3)
net.addLink(DVA, s3)
net.addLink(s1, s2)
net.addLink(s2, s3)
net.addLink(DC, s3)
#Run Services (in order)
if httpmode:
S.cmd("startup --local_ip 10.0.0.1 --local_port 8080 --local_name srv")
GI.cmd(
"startup --local_ip 10.0.0.2 --local_port 8181 --local_name gwi --remote_ip 10.0.0.1 --remote_port 8080 --remote_name srv"
)
GFA.cmd(
"startup --local_ip 10.0.0.3 --local_port 8282 --local_name gwfa --remote_ip 10.0.0.2 --remote_port 8181 --remote_name gwi"
)
DVA.cmd(
"startup --local_ip 10.0.0.4 --local_port 8888 --local_name dva --remote_ip 10.0.0.3 --remote_port 8282 --remote_name gfa --send_period 3000"
)
#Do not remove
net.start()
net.CLI()
# when the user types exit in the CLI, we stop the emulator
net.stop()
class DaemonTopology(object):
"""
Topology with two datacenters:
dc1 <-- 50ms --> dc2
"""
def __init__(self):
self.running = True
signal.signal(signal.SIGINT, self._stop_by_signal)
signal.signal(signal.SIGTERM, self._stop_by_signal)
# create and start topology
self.create_topology()
self.start_topology()
self.daemonize()
self.stop_topology()
def create_topology(self):
self.net = DCNetwork(monitor=False, enable_learning=True)
self.dc1 = self.net.addDatacenter("dc1")
self.dc2 = self.net.addDatacenter("dc2")
self.net.addLink(self.dc1, self.dc2, cls=TCLink, delay="50ms")
# add OpenStack-like APIs to the emulated DC
self.api1 = OpenstackApiEndpoint("0.0.0.0", 6001)
self.api1.connect_datacenter(self.dc1)
self.api1.connect_dc_network(self.net)
self.api2 = OpenstackApiEndpoint("0.0.0.0", 6002)
self.api2.connect_datacenter(self.dc2)
self.api2.connect_dc_network(self.net)
# add the command line interface endpoint to the emulated DC (REST API)
self.rapi1 = RestApiEndpoint("0.0.0.0", 5001)
self.rapi1.connectDCNetwork(self.net)
self.rapi1.connectDatacenter(self.dc1)
self.rapi1.connectDatacenter(self.dc2)
def start_topology(self):
self.api1.start()
self.api2.start()
self.rapi1.start()
self.net.start()
def daemonize(self):
print("Daemonizing vim-emu. Send SIGTERM or SIGKILL to stop.")
while self.running:
time.sleep(1)
def _stop_by_signal(self, signum, frame):
print("Received SIGNAL {}. Stopping.".format(signum))
self.running = False
def stop_topology(self):
self.api1.stop()
self.api2.stop()
self.rapi1.stop()
self.net.stop()
def create_topology():
net = DCNetwork(monitor=False, enable_learning=True)
dc1 = net.addDatacenter("dc1")
# add OpenStack-like APIs to the emulated DC
api1 = OpenstackApiEndpoint("0.0.0.0", 6001)
api1.connect_datacenter(dc1)
api1.start()
api1.connect_dc_network(net)
# add the command line interface endpoint to the emulated DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc1)
rapi1.start()
Serv = net.addDocker('Serv',
ip='10.0.0.200',
dimage=image,
dcmd="sh ./server.sh")
GI = net.addDocker('GI', ip='10.0.0.201', dimage=image, dcmd="sh ./gi.sh")
GF1 = net.addDocker('GF1',
ip='10.0.0.202',
dimage=image,
dcmd="sh ./gf1.sh")
GF2 = net.addDocker('GF2',
ip='10.0.0.203',
dimage=image,
dcmd="sh ./gf2.sh")
GF3 = net.addDocker('GF3',
ip='10.0.0.204',
dimage=image,
dcmd="sh ./gf3.sh")
s1 = net.addSwitch('s1')
s2 = net.addSwitch('s2')
net.addLink(Serv, s1)
net.addLink(GI, s1)
net.addLink(s1, s2, cls=TCLink, delay='100ms', bw=1)
net.addLink(GF1, s2)
net.addLink(GF2, s2)
net.addLink(GF3, s2)
net.addLink(dc1, s2)
net.start()
net.ping([GF1, GI])
net.ping([GF2, GI])
net.ping([GF3, GI])
net.ping([Serv, GI])
net.CLI()
net.stop()
def createNet(self,
nswitches=0,
ndatacenter=0,
nhosts=0,
ndockers=0,
autolinkswitches=False,
controller=Controller,
**kwargs):
"""
Creates a Mininet instance and automatically adds some
nodes to it.
Attention, we should always use Mininet's default controller
for our tests. Only use other controllers if you want to test
specific controller functionality.
"""
self.net = DCNetwork(controller=controller, **kwargs)
self.api = RestApiEndpoint("127.0.0.1", 5001, self.net)
# add some switches
# start from s1 because ovs does not like to have dpid = 0
# and switch name-number is being used by mininet to set the dpid
for i in range(1, nswitches + 1):
self.s.append(self.net.addSwitch('s%d' % i))
# if specified, chain all switches
if autolinkswitches:
for i in range(0, len(self.s) - 1):
self.net.addLink(self.s[i], self.s[i + 1])
# add some data centers
for i in range(0, ndatacenter):
self.dc.append(
self.net.addDatacenter('datacenter%d' % i,
metadata={"unittest_dc": i}))
# connect data centers to the endpoint
for i in range(0, ndatacenter):
self.api.connectDatacenter(self.dc[i])
# add some hosts
for i in range(0, nhosts):
self.h.append(self.net.addHost('h%d' % i))
# add some dockers
for i in range(0, ndockers):
self.d.append(self.net.addDocker('d%d' % i,
dimage="ubuntu:trusty"))
def setup_topology(net):
_LOGGER.info("Setting up the topology")
dc = net.addDatacenter("dc1") # pylint: disable=invalid-name
net.addLink(dc, net.addSwitch("s1"), delay="10ms")
# add the SONATA dummy gatekeeper to each DC
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc)
rapi1.start()
sdkg1 = SonataDummyGatekeeperEndpoint("0.0.0.0", 5000, deploy_sap=False)
sdkg1.connectDatacenter(dc)
# run the dummy gatekeeper (in another thread, don't block)
sdkg1.start()
def create_topology(self):
self.net = DCNetwork(monitor=False, enable_learning=True)
self.client_dc = self.net.addDatacenter("client_dc")
self.vnfs_dc = self.net.addDatacenter("vnfs_dc")
self.server_dc = self.net.addDatacenter("server_dc")
self.switch1 = self.net.addSwitch("switch1")
self.switch2 = self.net.addSwitch("switch2")
linkopts = dict(delay="1ms", bw=100)
self.net.addLink(self.client_dc, self.switch1, **linkopts)
self.net.addLink(self.vnfs_dc, self.switch1, **linkopts)
self.net.addLink(self.switch1, self.switch2, **linkopts)
self.net.addLink(self.vnfs_dc, self.switch2, **linkopts)
self.net.addLink(self.switch2, self.server_dc, **linkopts)
# add the command line interface endpoint to the emulated DC (REST API)
self.rest = RestApiEndpoint("0.0.0.0", 5001)
self.rest.connectDCNetwork(self.net)
self.rest.connectDatacenter(self.client_dc)
self.rest.connectDatacenter(self.vnfs_dc)
self.rest.connectDatacenter(self.server_dc)
def __init__(self, args):
# run daemonized to stop on signal
self.running = True
signal.signal(signal.SIGINT, self._stop_by_signal)
signal.signal(signal.SIGTERM, self._stop_by_signal)
self.args = args
self.G = self._load_graphml(args.graph_file)
self.G_name = self.G.graph.get("label", args.graph_file)
LOG.debug("Graph label: {}".format(self.G_name))
self.net = None
self.pops = list()
# initialize global rest api
self.rest_api = RestApiEndpoint("0.0.0.0", 5001)
self.rest_api.start()
# initialize and start topology
self.create_environment()
self.create_pops()
self.create_links()
self.start_topology()
self.daemonize()
self.stop_topology()
def start(self):
"""
Run the Emulator and the endpoints.
"""
super(Emulator, self).start()
initialize_GK()
self.net = DCNetwork(controller=RemoteController,
monitor=False,
enable_learning=self.enable_learning)
self.datacenter = self.net.addDatacenter('dc1')
endpoint_ip = '0.0.0.0'
endpoint_port = self.endpoint_port or get_free_tcp_port()
self.endpoint = 'http://{}:{}'.format(endpoint_ip, endpoint_port)
self.rest_api = RestApiEndpoint(endpoint_ip, endpoint_port)
self.rest_api.connectDCNetwork(self.net)
self.rest_api.connectDatacenter(self.datacenter)
self.rest_api.start()
sonata_ip = '0.0.0.0'
sonata_port = self.sonata_port or get_free_tcp_port()
self.sonata_address = 'http://{}:{}'.format(sonata_ip, sonata_port)
self.sonata_gatekeeper = SonataDummyGatekeeperEndpoint(
sonata_ip, sonata_port)
self.sonata_gatekeeper.connectDatacenter(self.datacenter)
self.sonata_gatekeeper.start()
tango_ip = '0.0.0.0'
tango_port = self.tango_port or get_free_tcp_port()
self.tango_address = 'http://{}:{}'.format(tango_ip, tango_port)
self.tango_gatekeeper = TangoLLCMEndpoint(tango_ip, tango_port)
self.tango_gatekeeper.connectDatacenter(self.datacenter)
self.tango_gatekeeper.start()
self.net.start()
def create_topology1():
# create topology
net = DCNetwork(controller=RemoteController, monitor=True, enable_learning=True)
dc1 = net.addDatacenter("dc1")
# add the command line interface endpoint to each DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc1)
# run API endpoint server (in another thread, don't block)
rapi1.start()
# add the SONATA dummy gatekeeper to each DC
#sdkg1 = SonataDummyGatekeeperEndpoint("0.0.0.0", 5000, deploy_sap=True)
#sdkg1.connectDatacenter(dc1)
# run the dummy gatekeeper (in another thread, don't block)
#sdkg1.start()
# start the emulation platform
net.start() # here the docker host default ip is configured
# topology must be started before hosts are added
cache = dc1.startCompute('cache', image="squid-vnf", network=[{"ip": "10.10.0.1/24", "id": "client", 'mac': "aa:aa:aa:00:00:01"},
{"ip": "10.20.0.1/24", "id": "server", "mac": "aa:aa:aa:00:00:02"}])
client = dc1.startCompute('client', image='vcdn-client', network=[{"ip": "10.10.0.2/24", "id": "client"}])
server = dc1.startCompute('server', image='webserver', network=[{"ip": "10.20.0.2/24", "id": "server"}])
#client = net.addDocker('client', ip='10.10.0.1/24', dimage="vcdn-client")
#cache = net.addDocker('cache', dimage="squid-vnf")
#server = net.addDocker('server', ip='10.20.0.1/24', dimage="webserver")
#net.addLink(dc1, client, intfName1='dc-cl', intfName2='client')
#net.addLink(dc1, server, intfName1='dc-sv', intfName2='server')
#net.addLink(dc1, cache, intfName1='dc-ccl', intfName2='client', params1={'ip': '10.10.0.2/24'})
#net.addLink(dc1, cache, intfName1='dc-csv', intfName2='server',params1={'ip': '10.20.0.2/24'})
# initialise VNFs
cache.cmd("./start.sh", detach=True)
client.cmd("./start.sh", detach=True)
server.cmd('./start.sh', detach=True)
# startup script hangs if we use other startup command
# command="./start.sh"
net.CLI()
net.stop()
while not net.exit:
pass
def create_topology(httpmode=False):
net = DCNetwork(monitor=False, enable_learning=True)
DC = net.addDatacenter("DC")
# add OpenStack-like APIs to the emulated DC
api1 = OpenstackApiEndpoint("0.0.0.0", 6001)
api1.connect_datacenter(DC)
api1.start()
api1.connect_dc_network(net)
# add the command line interface endpoint to the emulated DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(DC)
rapi1.start()
s1 = net.addSwitch('s1')
s2 = net.addSwitch('s2')
s3 = net.addSwitch('s3')
s4 = net.addSwitch('s4')
S = net.addDocker("S", dimage="host:server")
GI = net.addDocker("GI", dimage="host:gateway")
GFA = createHost(httpmode, net, 'GFA')
GFB = createHost(httpmode, net, 'GFB')
GFC = createHost(httpmode, net, 'GFC')
net.addLink(S, s1)
net.addLink(GI, s2)
net.addLink(GFA, s3)
net.addLink(GFB, s3)
net.addLink(GFC, s4)
net.addLink(s1, s2)
net.addLink(s2, s3)
net.addLink(s2, s4)
net.addLink(DC, s2)
#Do not remove
net.start()
net.CLI()
# when the user types exit in the CLI, we stop the emulator
net.stop()
def create_topology():
net = DCNetwork(monitor=False, enable_learning=False)
dc1 = net.addDatacenter("dc1")
# add OpenStack-like APIs to the emulated DC
api1 = OpenstackApiEndpoint("0.0.0.0", 6001)
api1.connect_datacenter(dc1)
api1.start()
api1.connect_dc_network(net)
# add the command line interface endpoint to the emulated DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc1)
rapi1.start()
net.start()
net.CLI()
# when the user types exit in the CLI, we stop the emulator
net.stop()
def create_topology1():
global exit
# create topology
net = DCNetwork(controller=RemoteController,
monitor=True,
enable_learning=False)
dc1 = net.addDatacenter("dc1")
dc2 = net.addDatacenter("dc2")
s1 = net.addSwitch("s1")
net.addLink(dc1, s1, delay="10ms")
net.addLink(dc2, s1, delay="20ms")
# add the command line interface endpoint to each DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDatacenter(dc1)
rapi1.connectDatacenter(dc2)
# connect total network also, needed to do the chaining and monitoring
rapi1.connectDCNetwork(net)
# run API endpoint server (in another thread, don't block)
rapi1.start()
# add the SONATA dummy gatekeeper to each DC
sdkg1 = SonataDummyGatekeeperEndpoint("0.0.0.0", 5000, deploy_sap=True)
sdkg1.connectDatacenter(dc1)
sdkg1.connectDatacenter(dc2)
# run the dummy gatekeeper (in another thread, don't block)
sdkg1.start()
# start the emulation platform
net.start()
#does not work from docker compose (cannot start container in interactive mode)
#cli = net.CLI()
# instead wait here:
logging.info("waiting for SIGTERM or SIGINT signal")
while not exit:
time.sleep(1)
logging.info("got SIG signal")
net.stop()
def start(self):
LOG.info("Starting emulation ...")
# pylint: disable=E0401
from mininet.log import setLogLevel
from emuvim.dcemulator.net import DCNetwork
from emuvim.api.rest.rest_api_endpoint import RestApiEndpoint
from emuvim.api.tango import TangoLLCMEndpoint
setLogLevel('info') # set Mininet loglevel
# create topology
self.net = DCNetwork(monitor=False, enable_learning=False)
# we only need one DC for benchmarking
dc = self.net.addDatacenter("dc1")
# add the command line interface endpoint to each DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(self.net)
rapi1.connectDatacenter(dc)
rapi1.start()
# add the 5GTANGO lightweight life cycle manager (LLCM) to the topology
llcm1 = TangoLLCMEndpoint("0.0.0.0", 5000, deploy_sap=False)
llcm1.connectDatacenter(dc)
llcm1.start()
self.net.start()
def createNet(
self,
nswitches=0, ndatacenter=0, nhosts=0, ndockers=0,
autolinkswitches=False, controller=Controller, **kwargs):
"""
Creates a Mininet instance and automatically adds some
nodes to it.
Attention, we should always use Mininet's default controller
for our tests. Only use other controllers if you want to test
specific controller functionality.
"""
self.net = DCNetwork(controller=controller, **kwargs)
self.api = RestApiEndpoint("127.0.0.1", 5001, self.net)
# add some switches
# start from s1 because ovs does not like to have dpid = 0
# and switch name-number is being used by mininet to set the dpid
for i in range(1, nswitches + 1):
self.s.append(self.net.addSwitch('s%d' % i))
# if specified, chain all switches
if autolinkswitches:
for i in range(0, len(self.s) - 1):
self.net.addLink(self.s[i], self.s[i + 1])
# add some data centers
for i in range(0, ndatacenter):
self.dc.append(
self.net.addDatacenter(
'datacenter%d' % i,
metadata={"unittest_dc": i}))
# connect data centers to the endpoint
for i in range(0, ndatacenter):
self.api.connectDatacenter(self.dc[i])
# add some hosts
for i in range(0, nhosts):
self.h.append(self.net.addHost('h%d' % i))
# add some dockers
for i in range(0, ndockers):
self.d.append(self.net.addDocker('d%d' %
i, dimage="ubuntu:trusty"))
def create_topology1():
global exit
# create topology
net = DCNetwork(controller=RemoteController, monitor=True, enable_learning=False)
dc1 = net.addDatacenter("dc1")
dc2 = net.addDatacenter("dc2")
s1 = net.addSwitch("s1")
net.addLink(dc1, s1, delay="10ms")
net.addLink(dc2, s1, delay="20ms")
# add the command line interface endpoint to each DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDatacenter(dc1)
rapi1.connectDatacenter(dc2)
# connect total network also, needed to do the chaining and monitoring
rapi1.connectDCNetwork(net)
# run API endpoint server (in another thread, don't block)
rapi1.start()
# add the SONATA dummy gatekeeper to each DC
sdkg1 = SonataDummyGatekeeperEndpoint("0.0.0.0", 5000, deploy_sap=True)
sdkg1.connectDatacenter(dc1)
sdkg1.connectDatacenter(dc2)
# run the dummy gatekeeper (in another thread, don't block)
sdkg1.start()
# start the emulation platform
net.start()
# does not work from docker compose (cannot start container in interactive mode)
# cli = net.CLI()
# instead wait here:
logging.info("waiting for SIGTERM or SIGINT signal")
while not exit:
time.sleep(1)
logging.info("got SIG signal")
net.stop()
class Profiling:
stop_now = False
"""
Set up a simple topology and start it
:port: the port the REST interface will be using, port+1 will be in use as well
"""
def __init__(self, port=5000):
GracefulKiller(self)
# create topology
self.net = DCNetwork(controller=RemoteController,
monitor=False,
enable_learning=False)
self.dc = self.net.addDatacenter("dc1")
# add the command line interface endpoint to each DC (REST API)
self.rapi1 = RestApiEndpoint("0.0.0.0", port + 1)
self.rapi1.connectDCNetwork(self.net)
self.rapi1.connectDatacenter(self.dc)
# run API endpoint server (in another thread, don't block)
self.rapi1.start()
# add the SONATA dummy gatekeeper to each DC
self.sdkg1 = SonataDummyGatekeeperEndpoint("0.0.0.0",
port,
deploy_sap=False)
self.sdkg1.connectDatacenter(self.dc)
# run the dummy gatekeeper (in another thread, don't block)
self.sdkg1.start()
self.net.start()
LOG.info("Started topology")
while (not self.stop_now):
sleep(1)
self.net.stop()
LOG.info("Stopped topology")
"""
Set stop value to stop the topology
"""
def stop_it(self):
self.stop_now = True
def create_topology1():
# create topology
net = DCNetwork(controller=RemoteController, monitor=True, enable_learning=True)
dc1 = net.addDatacenter("dc1")
# add the command line interface endpoint to each DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc1)
# run API endpoint server (in another thread, don't block)
rapi1.start()
# add the SONATA dummy gatekeeper to each DC
sdkg1 = SonataDummyGatekeeperEndpoint("0.0.0.0", 5000, deploy_sap=True)
sdkg1.connectDatacenter(dc1)
# run the dummy gatekeeper (in another thread, don't block)
sdkg1.start()
# start the emulation platform
net.start()
net.CLI()
net.stop()
def create_topology():
net = DCNetwork(monitor=False, enable_learning=True)
# create two data centers
dc1 = net.addDatacenter("dc1")
dc2 = net.addDatacenter("dc2")
# interconnect data centers
net.addLink(dc1, dc2, delay="20ms")
# add the command line interface endpoint to the emulated DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc1)
rapi1.connectDatacenter(dc2)
rapi1.start()
# add the 5GTANGO lightweight life cycle manager (LLCM) to the topology
llcm1 = TangoLLCMEndpoint("0.0.0.0", 5000, deploy_sap=False)
llcm1.connectDatacenter(dc1)
llcm1.connectDatacenter(dc2)
# run the dummy gatekeeper (in another thread, don't block)
llcm1.start()
# start the emulation and enter interactive CLI
net.start()
net.CLI()
# when the user types exit in the CLI, we stop the emulator
net.stop()
def create_topology1():
"""
1. Create a data center network object (DCNetwork) with monitoring enabled
"""
net = DCNetwork(monitor=True, enable_learning=False)
"""
1b. Add endpoint APIs for the whole DCNetwork,
to access and control the networking from outside.
e.g., to setup forwarding paths between compute
instances aka. VNFs (represented by Docker containers), passing through
different switches and datacenters of the emulated topology
"""
# create monitoring api endpoint for backwards compatibility with zerorpc api
mon_api = ZeroRpcApiEndpointDCNetwork("0.0.0.0", 5151)
mon_api.connectDCNetwork(net)
mon_api.start()
"""
2. Add (logical) data centers to the topology
(each data center is one "bigswitch" in our simplified
first prototype)
"""
dc1 = net.addDatacenter("dc1")
dc2 = net.addDatacenter("dc2")
"""
3. You can add additional SDN switches for data center
interconnections to the network.
"""
s1 = net.addSwitch("s1")
"""
4. Add links between your data centers and additional switches
to define you topology.
These links can use Mininet's features to limit bw, add delay or jitter.
"""
net.addLink(dc1, s1)
net.addLink(s1, dc2)
"""
5. We want to access and control our data centers from the outside,
e.g., we want to connect an orchestrator to start/stop compute
resources aka. VNFs (represented by Docker containers in the emulated)
So we need to instantiate API endpoints (e.g. a zerorpc or REST
interface). Depending on the endpoint implementations, we can connect
one or more data centers to it, which can then be controlled through
this API, e.g., start/stop/list compute instances.
"""
# keep the old zeroRPC interface for the prometheus metric query test
zapi1 = ZeroRpcApiEndpoint("0.0.0.0", 4242)
# connect data centers to this endpoint
zapi1.connectDatacenter(dc1)
zapi1.connectDatacenter(dc2)
# run API endpoint server (in another thread, don't block)
zapi1.start()
# create a new instance of a endpoint implementation
# the restapi handles all compute, networking and monitoring commands in one api endpoint
api1 = RestApiEndpoint("0.0.0.0", 5001)
# connect data centers to this endpoint
api1.connectDatacenter(dc1)
api1.connectDatacenter(dc2)
# connect total network also, needed to do the chaining and monitoring
api1.connectDCNetwork(net)
# run API endpoint server (in another thread, don't block)
api1.start()
"""
5.1. For our example, we create a second endpoint to illustrate that
this is supported by our design. This feature allows us to have
one API endpoint for each data center. This makes the emulation
environment more realistic because you can easily create one
OpenStack-like REST API endpoint for *each* data center.
This will look like a real-world multi PoP/data center deployment
from the perspective of an orchestrator.
"""
#zapi2 = ZeroRpcApiEndpoint("0.0.0.0", 4343)
#zapi2.connectDatacenter(dc3)
#zapi2.connectDatacenter(dc4)
#zapi2.start()
"""
6. Finally we are done and can start our network (the emulator).
We can also enter the Mininet CLI to interactively interact
with our compute resources (just like in default Mininet).
But we can also implement fully automated experiments that
can be executed again and again.
"""
net.start()
net.CLI()
# when the user types exit in the CLI, we stop the emulator
net.stop()
def create_topology(httpmode=False, port_default=8888, device_rate=1500):
net = DCNetwork(monitor=False, enable_learning=True)
DC = net.addDatacenter("DC")
# add OpenStack-like APIs to the emulated DC
api1 = OpenstackApiEndpoint("0.0.0.0", 6001)
api1.connect_datacenter(DC)
api1.start()
api1.connect_dc_network(net)
# add the command line interface endpoint to the emulated DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(DC)
rapi1.start()
#Generation Switch
s1 = net.addSwitch('s1')
s2 = net.addSwitch('s2')
s3 = net.addSwitch('s3')
s4 = net.addSwitch('s4')
S = createHost(httpmode, net, 'S', "host:server")
GI = createHost(httpmode, net, 'GI', "host:gateway")
GFA = createHost(httpmode, net, 'GFA', "host:gwfinal")
GFB = createHost(httpmode, net, 'GFB', "host:gwfinal")
GFC = createHost(httpmode, net, 'GFC', "host:gwfinal")
#Genration of link
net.addLink(S, s1)
net.addLink(GI, s2)
net.addLink(GFA, s3)
net.addLink(GFB, s3)
net.addLink(GFC, s4)
net.addLink(s1, s2)
net.addLink(s2, s3)
net.addLink(s2, s4)
net.addLink(DC, s4)
#Do not remove
net.start()
#Run gateways and devices
print("Starting Server node")
S.cmd("startup --local_ip 10.0.0.1 --local_port 8888 --local_name srv")
print("Waiting for server node to complete startup")
time.sleep(2)
print("Starting GI node")
GI.cmd(
"startup --local_ip 10.0.0.2 --local_port 8888 --local_name gwi --remote_ip 10.0.0.1 --remote_port 8888 --remote_name srv"
)
print("Waiting for GI node to complete startup")
time.sleep(2)
print("Starting GFA node")
GFA.cmd(
"startup --local_ip 10.0.0.3 --local_port 8888 --local_name gwfa --remote_ip 10.0.0.2 --remote_port 8888 --remote_name gwi"
)
print("Waiting for GFA node to complete startup")
time.sleep(2)
print("Starting GFA devices")
GFA.cmd("start_devices 10.0.0.3 9001 {0} gwfa {1}".format(
port_default, device_rate))
print("Starting GFB node")
GFB.cmd(
"startup --local_ip 10.0.0.4 --local_port 8888 --local_name gwfb --remote_ip 10.0.0.2 --remote_port 8888 --remote_name gwi"
)
print("Waiting for GFB node to complete startup")
time.sleep(2)
print("Starting GFB devices")
GFB.cmd("start_devices 10.0.0.4 9001 {0} gwfb {1}".format(
port_default, device_rate))
print("Starting GFC node")
GFC.cmd(
"startup --local_ip 10.0.0.5 --local_port 8888 --local_name gwfc --remote_ip 10.0.0.2 --remote_port 8888 --remote_name gwi"
)
print("Waiting for GFC node to complete startup")
time.sleep(2)
print("Starting GFC devices")
GFC.cmd("start_devices 10.0.0.5 9001 {0} gwfc {1}".format(
port_default, device_rate))
#Start the command line
net.CLI()
# when the user types exit in the CLI, we stop the emulator
net.stop()
monitoring = net.addDocker('monitoring', ip='10.0.0.15', dimage=X, dcmd="sh -c 'cd /Projet-SDCI && git pull; cd Monitoring; sh monitoring.sh; tail -f /dev/null'")
dc = net.addDatacenter("dc")
info('*** Adding switches\n')
s1 = net.addSwitch('s1')
info('*** Creating links\n')
net.addLink(server, s1, delay="20ms")
net.addLink(gwi1, s1, delay="20ms")
net.addLink(gwf1, s1, delay="20ms")
net.addLink(gwf2, s1, delay="20ms")
net.addLink(gwf3, s1, delay="20ms")
net.addLink(monitoring, s1, delay="20ms")
net.addLink(dc, s1, delay="20ms")
info('*** Starting RestApi\n')
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc)
rapi1.start()
info('*** Starting network\n')
net.start()
info('*** Running CLI\n')
CLI(net)
info('*** Stopping network')
net.stop()
class SimpleTestTopology(unittest.TestCase):
"""
Helper class to do basic test setups.
s1 -- s2 -- s3 -- ... -- sN
"""
def __init__(self, *args, **kwargs):
self.net = None
self.api = None
self.s = [] # list of switches
self.h = [] # list of hosts
self.d = [] # list of docker containers
self.dc = [] # list of data centers
self.docker_cli = None
super(SimpleTestTopology, self).__init__(*args, **kwargs)
def createNet(
self,
nswitches=0, ndatacenter=0, nhosts=0, ndockers=0,
autolinkswitches=False, controller=Controller, **kwargs):
"""
Creates a Mininet instance and automatically adds some
nodes to it.
Attention, we should always use Mininet's default controller
for our tests. Only use other controllers if you want to test
specific controller functionality.
"""
self.net = DCNetwork(controller=controller, **kwargs)
self.api = RestApiEndpoint("127.0.0.1", 5001, self.net)
# add some switches
# start from s1 because ovs does not like to have dpid = 0
# and switch name-number is being used by mininet to set the dpid
for i in range(1, nswitches+1):
self.s.append(self.net.addSwitch('s%d' % i))
# if specified, chain all switches
if autolinkswitches:
for i in range(0, len(self.s) - 1):
self.net.addLink(self.s[i], self.s[i + 1])
# add some data centers
for i in range(0, ndatacenter):
self.dc.append(
self.net.addDatacenter(
'datacenter%d' % i,
metadata={"unittest_dc": i}))
# connect data centers to the endpoint
for i in range(0, ndatacenter):
self.api.connectDatacenter(self.dc[i])
# add some hosts
for i in range(0, nhosts):
self.h.append(self.net.addHost('h%d' % i))
# add some dockers
for i in range(0, ndockers):
self.d.append(self.net.addDocker('d%d' % i, dimage="ubuntu:trusty"))
def startApi(self):
self.api.start()
def stopApi(self):
self.api.stop()
def startNet(self):
self.net.start()
def stopNet(self):
self.net.stop()
def getDockerCli(self):
"""
Helper to interact with local docker instance.
"""
if self.docker_cli is None:
self.docker_cli = docker.APIClient(
base_url='unix://var/run/docker.sock')
return self.docker_cli
def getContainernetContainers(self):
"""
List the containers managed by containernet
"""
return self.getDockerCli().containers(filters={"label": "com.containernet"})
@staticmethod
def setUp():
pass
@staticmethod
def tearDown():
cleanup()
# make sure that all pending docker containers are killed
with open(os.devnull, 'w') as devnull:
subprocess.call(
"sudo docker rm -f $(sudo docker ps --filter 'label=com.containernet' -a -q)",
stdout=devnull,
stderr=devnull,
shell=True)
def create_topology1():
# create topology
net = DCNetwork(controller=RemoteController,
monitor=True,
enable_learning=True)
dc1 = net.addDatacenter("dc1")
# add the command line interface endpoint to each DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc1)
# run API endpoint server (in another thread, don't block)
rapi1.start()
# add the SONATA dummy gatekeeper to each DC
#sdkg1 = SonataDummyGatekeeperEndpoint("0.0.0.0", 5000, deploy_sap=True)
#sdkg1.connectDatacenter(dc1)
# run the dummy gatekeeper (in another thread, don't block)
#sdkg1.start()
# start the emulation platform
net.start() # here the docker host default ip is configured
# topology must be started before hosts are added
#cache = net.addDocker('cache', dimage="squid-vnf")
cache = dc1.startCompute('cache',
image="squid-vnf",
network=[{
"ip": "10.10.0.1/24",
"id": "client"
}, {
"ip": "10.20.0.1/24",
"id": "server"
}])
#client = net.addDocker('client', ip='10.10.0.1/24', dimage="vcdn-client")
client = dc1.startCompute('client',
image='vcdn-client',
network=[{
"ip": "10.10.0.2/24",
"id": "client"
}])
#server = net.addDocker('server', ip='10.20.0.1/24', dimage="webserver")
server = dc1.startCompute('server',
image='webserver',
network=[{
"ip": "10.20.0.2/24",
"id": "server"
}])
#net.addLink(dc1, client, intfName1='dc-cl', intfName2='client')
#net.addLink(dc1, server, intfName1='dc-sv', intfName2='server')
#net.addLink(dc1, cache, intfName1='dc-ccl', intfName2='client', params1={'ip': '10.10.0.2/24'})
#net.addLink(dc1, cache, intfName1='dc-csv', intfName2='server',params1={'ip': '10.20.0.2/24'})
# initialise VNFs
cache.cmd("./start.sh", detach=True)
client.cmd("./start.sh", detach=True)
server.cmd('./start.sh', detach=True)
# startup script hangs if we use other startup command
# command="./start.sh"
net.CLI()
net.stop()
def create_topology1():
"""
1. Create a data center network object (DCNetwork)
"""
net = DCNetwork()
"""
1b. add a monitoring agent to the DCNetwork
"""
mon_api = ZeroRpcApiEndpointDCNetwork("0.0.0.0", 5151)
mon_api.connectDCNetwork(net)
mon_api.start()
"""
2. Add (logical) data centers to the topology
(each data center is one "bigswitch" in our simplified
first prototype)
"""
dc1 = net.addDatacenter("dc1")
dc2 = net.addDatacenter("dc2")
dc3 = net.addDatacenter("long_data_center_name3")
dc4 = net.addDatacenter(
"dc4",
metadata={"mydata": "we can also add arbitrary metadata to each DC"})
"""
3. You can add additional SDN switches for data center
interconnections to the network.
"""
s1 = net.addSwitch("s1")
"""
4. Add links between your data centers and additional switches
to define you topology.
These links can use Mininet's features to limit bw, add delay or jitter.
"""
net.addLink(dc1, dc2)
net.addLink("dc1", s1)
net.addLink(s1, dc3)
net.addLink(s1, "dc4")
"""
5. We want to access and control our data centers from the outside,
e.g., we want to connect an orchestrator to start/stop compute
resources aka. VNFs (represented by Docker containers in the emulated)
So we need to instantiate API endpoints (e.g. a zerorpc or REST
interface). Depending on the endpoint implementations, we can connect
one or more data centers to it, which can then be controlled through
this API, e.g., start/stop/list compute instances.
"""
# create a new instance of a endpoint implementation
zapi1 = ZeroRpcApiEndpoint("0.0.0.0", 4242)
rapi1 = RestApiEndpoint("127.0.0.1", 5001)
# connect data centers to this endpoint
zapi1.connectDatacenter(dc1)
zapi1.connectDatacenter(dc2)
zapi1.connectDatacenter(dc3)
zapi1.connectDatacenter(dc4)
rapi1.connectDatacenter(dc1)
rapi1.connectDatacenter(dc2)
rapi1.connectDatacenter(dc3)
rapi1.connectDatacenter(dc4)
# run API endpoint server (in another thread, don't block)
zapi1.start()
rapi1.start()
"""
5.1. For our example, we create a second endpoint to illustrate that
this is supported by our design. This feature allows us to have
one API endpoint for each data center. This makes the emulation
environment more realistic because you can easily create one
OpenStack-like REST API endpoint for *each* data center.
This will look like a real-world multi PoP/data center deployment
from the perspective of an orchestrator.
"""
zapi2 = ZeroRpcApiEndpoint("0.0.0.0", 4343)
zapi2.connectDatacenter(dc3)
zapi2.connectDatacenter(dc4)
zapi2.start()
"""
6. Finally we are done and can start our network (the emulator).
We can also enter the Mininet CLI to interactively interact
with our compute resources (just like in default Mininet).
But we can also implement fully automated experiments that
can be executed again and again.
"""
net.start()
net.CLI()
# when the user types exit in the CLI, we stop the emulator
net.stop()
def create_topology1():
"""
1. Create a data center network object (DCNetwork)
"""
net = DCNetwork(monitor=True, enable_learning=True)
"""
1b. add a monitoring agent to the DCNetwork
"""
#keep old zeroRPC interface to test the prometheus metric query
mon_api = ZeroRpcApiEndpointDCNetwork("0.0.0.0", 5151)
mon_api.connectDCNetwork(net)
mon_api.start()
"""
2. Add (logical) data centers to the topology
(each data center is one "bigswitch" in our simplified
first prototype)
"""
dc1 = net.addDatacenter("dc1")
dc2 = net.addDatacenter("dc2")
dc3 = net.addDatacenter("long_data_center_name3")
dc4 = net.addDatacenter(
"dc4",
metadata={"mydata": "we can also add arbitrary metadata to each DC"})
"""
3. You can add additional SDN switches for data center
interconnections to the network.
"""
s1 = net.addSwitch("s1")
"""
4. Add links between your data centers and additional switches
to define you topology.
These links can use Mininet's features to limit bw, add delay or jitter.
"""
net.addLink(dc1, dc2)
net.addLink("dc1", s1)
net.addLink(s1, dc3)
net.addLink(s1, "dc4")
"""
5. We want to access and control our data centers from the outside,
e.g., we want to connect an orchestrator to start/stop compute
resources aka. VNFs (represented by Docker containers in the emulated)
So we need to instantiate API endpoints (e.g. a zerorpc or REST
interface). Depending on the endpoint implementations, we can connect
one or more data centers to it, which can then be controlled through
this API, e.g., start/stop/list compute instances.
"""
# keep the old zeroRPC interface for the prometheus metric query test
zapi1 = ZeroRpcApiEndpoint("0.0.0.0", 4242)
# connect data centers to this endpoint
zapi1.connectDatacenter(dc1)
zapi1.connectDatacenter(dc2)
# run API endpoint server (in another thread, don't block)
zapi1.start()
# create a new instance of a endpoint implementation
api1 = RestApiEndpoint("127.0.0.1", 5001)
# connect data centers to this endpoint
api1.connectDatacenter(dc1)
api1.connectDatacenter(dc2)
api1.connectDatacenter(dc3)
api1.connectDatacenter(dc4)
# connect total network also, needed to do the chaining and monitoring
api1.connectDCNetwork(net)
# run API endpoint server (in another thread, don't block)
api1.start()
"""
6. Finally we are done and can start our network (the emulator).
We can also enter the Mininet CLI to interactively interact
with our compute resources (just like in default Mininet).
But we can also implement fully automated experiments that
can be executed again and again.
"""
net.start()
net.CLI()
# when the user types exit in the CLI, we stop the emulator
net.stop()
