def testTopo():
"Create an empty network and add nodes to it."
net = Containernet(build=False,
link=TCLink,
xterms=False,
autoSetMacs=True,
autoStaticArp=True)
info("*** Adding Controller\n")
controller = net.addController("c0",
controller=RemoteController,
ip="127.0.0.1",
port=6633)
controller.start()
info("*** Add switches\n")
for i in range(4):
sw = net.addSwitch("s%d" % (i + 1), dpid="%016x" % (i + 1))
sw.start([controller])
sw.cmdPrint("ovs-ofctl show s%d" % (i + 1))
sw.cmdPrint("ovs-vsctl show")
info("Add hosts\n")
for i in range(4):
net.addDockerHost("h%d" % (i + 1),
dimage="dev_test",
ip="10.0.0.%d" % (i + 1))
info("*** Add links\n")
http_link_config = {"bw": 1}
video_link_config = {"bw": 10}
net.addLinkNamedIfce("s1", "s2", **http_link_config)
net.addLinkNamedIfce("s2", "s4", **http_link_config)
net.addLinkNamedIfce("s1", "s3", **video_link_config)
net.addLinkNamedIfce("s3", "s4", **video_link_config)
net.addLinkNamedIfce("s1", "h1", bw=100, use_htb=True)
net.addLinkNamedIfce("s1", "h2", bw=100, use_htb=True)
net.addLinkNamedIfce("s4", "h3", bw=100, use_htb=True)
net.addLinkNamedIfce("s4", "h4", bw=100, use_htb=True)
net.build()
info("*** Starting network\n")
net.start()
info("*** Enter CLI\n")
info("Use help command to get CLI usages\n")
CLI(net)
info("*** Stopping network")
net.stop()
def start() -> None:
net = Containernet(build=False, link=TCLink, xterms=False)
mgr = VNFManager(net)
rx_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
rx_socket.bind(("127.0.0.1", 8016))
cnt: int = 0
active_container: bool = False
full_tree: bool = False
info("\n*** Adding Controller\n")
controller1: RemoteController = net.addController(
"controller1", controller=RemoteController, ip="127.0.0.1", port=6633)
controller1.start()
info("\n*** Adding Hosts\n")
client1: DockerHost = net.addDockerHost(
"client1",
dimage="mec_test",
ip="10.0.0.10",
mac="00:00:00:00:00:01",
docker_args={"volumes": {
"/tmp": {
"bind": "/tmp",
"mode": "rw"
}
}},
)
probe1: DockerHost = net.addDockerHost(
"probe1",
dimage="mec_test",
docker_args={},
ip="10.0.0.40",
mac="00:00:00:00:01:ff",
)
server1: DockerHost = net.addDockerHost(
"server1",
dimage="mec_test",
ip="10.0.0.21",
mac="00:00:00:00:01:01",
docker_args={
"cpuset_cpus": "0",
"cpu_quota": 25000
},
)
server2: DockerHost = net.addDockerHost(
"server2",
dimage="mec_test",
ip="10.0.0.22",
mac="00:00:00:00:01:02",
docker_args={
"cpuset_cpus": "0",
"cpu_quota": 25000
},
)
server3: DockerHost = net.addDockerHost(
"server3",
dimage="mec_test",
ip="10.0.0.23",
mac="00:00:00:00:01:03",
docker_args={
"cpuset_cpus": "0",
"cpu_quota": 25000
},
)
server4: DockerHost = net.addDockerHost(
"server4",
dimage="mec_test",
ip="10.0.0.24",
mac="00:00:00:00:01:04",
docker_args={
"cpuset_cpus": "0",
"cpu_quota": 25000
},
)
if full_tree:
server5: DockerHost = net.addDockerHost(
"server5",
dimage="mec_test",
ip="10.0.0.25",
mac="00:00:00:00:01:05",
docker_args={
"cpuset_cpus": "0",
"cpu_quota": 25000
},
)
server6: DockerHost = net.addDockerHost(
"server6",
dimage="mec_test",
ip="10.0.0.26",
mac="00:00:00:00:01:06",
docker_args={
"cpuset_cpus": "0",
"cpu_quota": 25000
},
)
server7: DockerHost = net.addDockerHost(
"server7",
dimage="mec_test",
ip="10.0.0.27",
mac="00:00:00:00:01:07",
docker_args={
"cpuset_cpus": "0",
"cpu_quota": 25000
},
)
server8: DockerHost = net.addDockerHost(
"server8",
dimage="mec_test",
ip="10.0.0.28",
mac="00:00:00:00:01:08",
docker_args={
"cpuset_cpus": "0",
"cpu_quota": 25000
},
)
info("\n*** Adding Switches\n")
switch1: OVSSwitch = net.addSwitch("switch1")
switch11: OVSSwitch = net.addSwitch("switch11")
switch12: OVSSwitch = net.addSwitch("switch12")
switch111: OVSSwitch = net.addSwitch("switch111")
switch112: OVSSwitch = net.addSwitch("switch112")
switch121: OVSSwitch = net.addSwitch("switch121")
switch122: OVSSwitch = net.addSwitch("switch122")
switch1.start([controller1])
switch1.cmdPrint("ovs-vsctl show")
switch11.start([controller1])
switch11.cmdPrint("ovs-vsctl show")
switch12.start([controller1])
switch12.cmdPrint("ovs-vsctl show")
switch111.start([controller1])
switch111.cmdPrint("ovs-vsctl show")
switch112.start([controller1])
switch112.cmdPrint("ovs-vsctl show")
switch121.start([controller1])
switch121.cmdPrint("ovs-vsctl show")
switch122.start([controller1])
switch122.cmdPrint("ovs-vsctl show")
info("\n*** Adding Links\n")
net.addLink(node1=switch1, node2=client1, delay="200ms", use_htb=True)
net.addLink(node1=switch1, node2=probe1, delay="50ms", use_htb=True)
net.addLink(node1=switch1, node2=switch11, delay="10ms", use_htb=True)
if full_tree:
net.addLink(node1=switch1, node2=switch12, delay="10ms", use_htb=True)
net.addLink(node1=switch11, node2=switch111, delay="10ms", use_htb=True)
net.addLink(node1=switch11, node2=switch112, delay="10ms", use_htb=True)
if full_tree:
net.addLink(node1=switch12,
node2=switch121,
delay="10ms",
use_htb=True)
net.addLink(node1=switch12,
node2=switch122,
delay="10ms",
use_htb=True)
net.addLink(node1=switch111, node2=server1, delay="100ms", use_htb=True)
net.addLink(node1=switch111, node2=server2, delay="150ms", use_htb=True)
net.addLink(node1=switch112, node2=server3, delay="200ms", use_htb=True)
net.addLink(node1=switch112, node2=server4, delay="250ms", use_htb=True)
if full_tree:
net.addLink(node1=switch121,
node2=server5,
delay="300ms",
use_htb=True)
net.addLink(node1=switch121,
node2=server6,
delay="350ms",
use_htb=True)
net.addLink(node1=switch122,
node2=server7,
delay="400ms",
use_htb=True)
net.addLink(node1=switch122,
node2=server8,
delay="450ms",
use_htb=True)
info("\n*** Starting Network\n")
net.build()
net.start()
net.pingAll() # optional
info("\n*** Adding Docker Containers\n")
client1_container: APPContainer = mgr.addContainer(
name="client1_container",
dhost="client1",
dimage="mec_test",
docker_args={},
dcmd="python3.6 /tmp/client.py",
)
probe1_container: APPContainer = mgr.addContainer(
name="probe1_container",
dhost="probe1",
dimage="mec_test",
docker_args={},
dcmd="python3.6 /tmp/probe_agent.py",
)
probing_server1_container: APPContainer = mgr.addContainer(
name="probing_server1_container",
dhost="server1",
dimage="mec_test",
docker_args={},
dcmd="python3.6 /tmp/probe_server.py",
)
probing_server2_container: APPContainer = mgr.addContainer(
name="probing_server2_container",
dhost="server2",
dimage="mec_test",
docker_args={},
dcmd="python3.6 /tmp/probe_server.py",
)
probing_server3_container: APPContainer = mgr.addContainer(
name="probing_server3_container",
dhost="server3",
dimage="mec_test",
docker_args={},
dcmd="python3.6 /tmp/probe_server.py",
)
probing_server4_container: APPContainer = mgr.addContainer(
name="probing_server4_container",
dhost="server4",
dimage="mec_test",
docker_args={},
dcmd="python3.6 /tmp/probe_server.py",
)
if full_tree:
probing_server5_container: APPContainer = mgr.addContainer(
name="probing_server5_container",
dhost="server5",
dimage="mec_test",
docker_args={},
dcmd="python3.6 /tmp/probe_server.py",
)
probing_server6_container: APPContainer = mgr.addContainer(
name="probing_server6_container",
dhost="server6",
dimage="mec_test",
docker_args={},
dcmd="python3.6 /tmp/probe_server.py",
)
probing_server7_container: APPContainer = mgr.addContainer(
name="probing_server7_container",
dhost="server7",
dimage="mec_test",
docker_args={},
dcmd="python3.6 /tmp/probe_server.py",
)
probing_server8_container: APPContainer = mgr.addContainer(
name="probing_server8_container",
dhost="server8",
dimage="mec_test",
docker_args={},
dcmd="python3.6 /tmp/probe_server.py",
)
time.sleep(5)
print(
f"client 1 : \n{client1_container.dins.logs().decode('utf-8')}\n"
f"probe 1 : \n{probe1_container.dins.logs().decode('utf-8')}\n"
f"probing server 1 : \n{probing_server1_container.dins.logs().decode('utf-8')}\n"
f"probing server 2 : \n{probing_server2_container.dins.logs().decode('utf-8')}\n"
f"probing server 3 : \n{probing_server3_container.dins.logs().decode('utf-8')}\n"
f"probing server 4 : \n{probing_server4_container.dins.logs().decode('utf-8')}\n"
)
if full_tree:
print(
f"probing server 5 : \n{probing_server5_container.dins.logs().decode('utf-8')}\n"
f"probing server 6 : \n{probing_server6_container.dins.logs().decode('utf-8')}\n"
f"probing server 7 : \n{probing_server7_container.dins.logs().decode('utf-8')}\n"
f"probing server 8 : \n{probing_server8_container.dins.logs().decode('utf-8')}\n"
)
# time.sleep(2)
# CLI(net)
time.sleep(30)
server_container: APPContainer = None
info("\n*** Await REST instruction from Controller\n"
) # REST -> REpresentational State Transfer
while True:
data, addr = rx_socket.recvfrom(1024)
_: str = data.decode()
print(f"{_} {_[_.__len__()-1]}")
if active_container: # if container set, remove it
mgr.removeContainer(server_container.name)
time.sleep(2) # prevent hang on waitContainerStart()
print("removing container")
server_container: APPContainer = mgr.addContainer(
name="server_container",
# update dhost appropriate to target host
dhost=f"server{_[_.__len__()-1]}",
dimage="mec_test",
docker_args={},
dcmd="python3.6 /tmp/server.py",
)
print(
f"New container : \n{server_container.dins.logs().decode('utf-8')} on server{_[_.__len__()-1]}"
)
cnt += 1
active_container = True
time.sleep(10) # dont allow container change too frequent
if cnt > 10:
break
info("\n*** Removing Docker Containers\n")
mgr.removeContainer(client1_container.name)
mgr.removeContainer(probe1_container.name)
mgr.removeContainer(probing_server1_container.name)
mgr.removeContainer(probing_server2_container.name)
mgr.removeContainer(probing_server3_container.name)
mgr.removeContainer(probing_server4_container.name)
if full_tree:
mgr.removeContainer(probing_server5_container.name)
mgr.removeContainer(probing_server6_container.name)
mgr.removeContainer(probing_server7_container.name)
mgr.removeContainer(probing_server8_container.name)
info("\n*** Stopping Network\n")
net.stop()
mgr.stop()
def myTopology():
net = Containernet(
switch=OVSKernelSwitch,
build=False,
autoSetMacs=True,
autoStaticArp=True,
link=TCLink,
)
mgr = VNFManager(net)
setLogLevel("info")
info("*** Add Switches\n")
sconfig1 = {"dpid": "%016x" % 1}
sconfig2 = {"dpid": "%016x" % 2}
sconfig3 = {"dpid": "%016x" % 3}
sconfig4 = {"dpid": "%016x" % 4}
sconfig5 = {"dpid": "%016x" % 5}
net.addSwitch("s1", **sconfig1)
net.addSwitch("s2", **sconfig2)
net.addSwitch("s3", **sconfig3)
net.addSwitch("s4", **sconfig4)
net.addSwitch("s5", **sconfig5)
info("*** Add Hosts\n")
host_config = dict(inNamespace=True)
#net.addHost("h1", **host_config, ip="192.0.0.1")
h1 = net.addDockerHost(
"h1",
dimage="dev_test",
ip="192.0.0.1",
docker_args={"hostname": "h1"},
)
h2 = net.addDockerHost(
"h2",
dimage="dev_test",
ip="192.0.0.2",
docker_args={"hostname": "h2"},
)
h3 = net.addDockerHost(
"h3",
dimage="dev_test",
ip="192.0.0.3",
docker_args={"hostname": "h3"},
)
h4 = net.addDockerHost(
"h4",
dimage="dev_test",
ip="192.0.0.4",
docker_args={"hostname": "h4"},
)
h5 = net.addDockerHost(
"h5",
dimage="dev_test",
ip="192.0.0.5",
docker_args={"hostname": "h5"},
)
h6 = net.addDockerHost(
"h6",
dimage="dev_test",
ip="192.0.0.6",
docker_args={"hostname": "h6"},
)
h7 = net.addDockerHost(
"h7",
dimage="dev_test",
ip="192.0.0.7",
docker_args={"hostname": "h7"},
)
h8 = net.addDockerHost(
"h8",
dimage="dev_test",
ip="192.0.0.8",
docker_args={"hostname": "h8"},
)
info("*** Add Links\n")
net.addLink("h1", "s1", bw=B1)
net.addLink("h2", "s1", bw=B1)
net.addLink("h3", "s1", bw=B1)
net.addLink("h4", "s5", bw=B2)
net.addLink("h5", "s5", bw=B2)
net.addLink("s1", "s2", bw=B1)
net.addLink("s2", "s3", bw=B1, delay=DELAY)
net.addLink("s3", "s4", bw=B1, delay=DELAY)
net.addLink("s2", "s4", bw=B2)
net.addLink("s1", "s4", bw=B1)
net.addLink("s1", "s5", bw=B1)
net.addLink("s4", "h6", bw=B1)
net.addLink("s4", "h7", bw=B1)
net.addLink("s4", "h8", bw=B1)
info("*** Add controller\n")
controller = RemoteController("c0", ip="127.0.0.1", port=6633)
net.addController(controller)
net.build()
#controller.start()
#s1.start( [controller] )
#s2.start( [controller] )
#s1.cmd("ovs-vsctl set port s1-eth4 qos=@newqos -- --id=@newqos create QoS type=linux-htb other-config:max-rate=1000000 queues:123=@1q queues:234=@2q -- --id=@1q create queue other-config:min-rate=100000 other-config:max-rate=700000 -- --id=@2q create queue other-config:min-rate=100000 other-config:max-rate=700000")
#s1.cmd("ovs-ofctl add-flow s1 nw_src=192.0.0.2,nw_dst=192.0.0.7,actions=enqueue:4:123")
net.start()
srv1 = mgr.addContainer(
"srv1",
"h1",
"servernew",
"python /home/servernew.py",
docker_args={},
) #autonomus
srv2 = mgr.addContainer(
"srv2",
"h2",
"dev_test",
"bash",
docker_args={},
) #udp
srv3 = mgr.addContainer(
"srv3",
"h3",
"eclipse-mosquitto",
"bash",
docker_args={},
) #brocker
srv4 = mgr.addContainer(
"srv4",
"h4",
"aksakalli/mqtt-client",
"bash /home/clientnew.sh",
docker_args={},
)
srv5 = mgr.addContainer(
"srv5",
"h5",
"aksakalli/mqtt-client",
"bash",
docker_args={},
)
srv6 = mgr.addContainer(
"srv6",
"h6",
"dev_test",
"bash",
docker_args={},
)
srv7 = mgr.addContainer(
"srv7",
"h7",
"dev_test",
"bash",
docker_args={},
)
srv8 = mgr.addContainer(
"srv8",
"h8",
"dev_test",
"bash",
docker_args={},
)
spawnXtermDocker("srv2")
spawnXtermDocker("srv7")
CLI(net)
mgr.removeContainer("srv1")
mgr.removeContainer("srv2")
mgr.removeContainer("srv3")
mgr.removeContainer("srv4")
mgr.removeContainer("srv5")
mgr.removeContainer("srv6")
mgr.removeContainer("srv7")
mgr.removeContainer("srv8")
net.stop()
mgr.stop()
def myTopology():
net = Containernet(
switch=OVSKernelSwitch,
build=False,
autoSetMacs=True,
autoStaticArp=True,
link=TCLink,
)
mgr = VNFManager(net)
setLogLevel("info")
info("*** Add Switches\n")
sconfig1 = {"dpid": "%016x" % 1}
sconfig2 = {"dpid": "%016x" % 2}
sconfig3 = {"dpid": "%016x" % 3}
sconfig4 = {"dpid": "%016x" % 4}
net.addSwitch("s1", **sconfig1)
net.addSwitch("s2", **sconfig2)
net.addSwitch("s3", **sconfig3)
net.addSwitch("s4", **sconfig4)
info("*** Add Hosts\n")
host_config = dict(inNamespace=True)
#net.addHost("h1", **host_config, ip="192.0.0.1")
h1 = net.addDockerHost(
"h1",
dimage="dev_test",
ip="192.0.0.1",
docker_args={"hostname": "h1"},
)
h2 = net.addDockerHost(
"h2",
dimage="dev_test",
ip="192.0.0.2",
docker_args={"hostname": "h2"},
)
h3 = net.addDockerHost(
"h3",
dimage="dev_test",
ip="192.0.0.3",
docker_args={"hostname": "h3"},
)
h4 = net.addDockerHost(
"h4",
dimage="dev_test",
ip="192.0.0.4",
docker_args={"hostname": "h4"},
)
h5 = net.addDockerHost(
"h5",
dimage="dev_test",
ip="192.0.0.5",
docker_args={"hostname": "h5"},
)
h6 = net.addDockerHost(
"h6",
dimage="dev_test",
ip="192.0.0.6",
docker_args={"hostname": "h6"},
)
h7 = net.addDockerHost(
"h7",
dimage="dev_test",
ip="192.0.0.7",
docker_args={"hostname": "h7"},
)
info("*** Add Links\n")
net.addLink("h1", "s1", bw=B1)
net.addLink("h2", "s1", bw=B1)
net.addLink("h3", "s1", bw=B1)
net.addLink("h4", "s1", bw=B1)
net.addLink("s1", "s2", bw=B1)
net.addLink("s2", "s3", bw=B1, delay=DELAY)
net.addLink("s3", "s4", bw=B1, delay=DELAY)
net.addLink("s2", "s4", bw=B2)
net.addLink("s1", "s4", bw=B1)
net.addLink("s4", "h5", bw=B1)
net.addLink("s4", "h6", bw=B1)
net.addLink("s4", "h7", bw=B1)
info("*** Add controller\n")
controller = RemoteController("c1", ip="127.0.0.1", port=6633)
net.addController(controller)
net.build()
net.start()
srv1 = mgr.addContainer(
"srv1",
"h1",
"echo_server",
"python /home/server_ad.py",
docker_args={},
)
srv2 = mgr.addContainer(
"srv2",
"h2",
"echo_server",
"python /home/server.py",
docker_args={},
)
srv3 = mgr.addContainer(
"srv3",
"h3",
"echo_server",
"python /home/server.py",
docker_args={},
)
srv4 = mgr.addContainer(
"srv4",
"h4",
"dev_test",
"bash",
docker_args={},
)
srv5 = mgr.addContainer(
"srv5",
"h5",
"dev_test",
"bash",
docker_args={},
)
srv6 = mgr.addContainer(
"srv6",
"h6",
"dev_test",
"bash",
docker_args={},
)
srv7 = mgr.addContainer(
"srv7",
"h7",
"dev_test",
"bash",
docker_args={},
)
spawnXtermDocker("srv5")
spawnXtermDocker("srv1")
CLI(net)
mgr.removeContainer("srv1")
mgr.removeContainer("srv2")
mgr.removeContainer("srv3")
mgr.removeContainer("srv4")
mgr.removeContainer("srv5")
mgr.removeContainer("srv6")
mgr.removeContainer("srv7")
net.stop()
mgr.stop()