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 testTopo():
# xterms=True, spawn xterms for all nodes after net.start()
net = Containernet(controller=Controller, link=TCLink, xterms=True)
info("*** Adding controller\n")
net.addController("c0")
info("*** Adding hosts\n")
h1 = net.addDockerHost(
"h1",
dimage="dev_test",
ip="10.0.0.1/24",
docker_args={
"cpuset_cpus": "0",
"nano_cpus": int(1e8),
"hostname": "h1"
},
)
h2 = net.addDockerHost(
"h2",
dimage="dev_test",
ip="10.0.0.2/24",
docker_args={
"cpuset_cpus": "0",
"nano_cpus": int(1e8),
"hostname": "h2"
},
)
h3 = net.addHost("h3", ip="10.0.0.3/24")
h4 = net.addHost("h4", ip="10.0.0.4/24")
info("*** Adding switch\n")
s1 = net.addSwitch("s1")
info("*** Creating links\n")
net.addLinkNamedIfce(s1, h1, bw=10, delay="100ms")
net.addLinkNamedIfce(s1, h2, bw=10, delay="100ms")
net.addLinkNamedIfce(s1, h3, bw=10, delay="100ms")
net.addLinkNamedIfce(s1, h4, bw=10, delay="100ms")
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()
net.start()
info("*** Run ping and UDP latency measurement with single flow.\n")
srv1_1 = mgr.addContainer(
"srv1_1", "h1", "network_measurement", "sockperf server", docker_args={}
)
ret = h2.cmd("ping -c 10 -i 0.01 10.0.0.1")
print(f"- Result of ping: \n{ret}")
ret = h2.cmd("sockperf under-load -i 10.0.0.1 -t 3 --reply-every 1")
print(f"- Result of Sockperf: \n{ret}")
mgr.removeContainer("srv1_1")
# Run netserver not in daemon mode, avoid container termination.
srv1_1 = mgr.addContainer(
"srv1_1", "h1", "network_measurement", "netserver -D", docker_args={}
)
# Wait netserver to start.
time.sleep(1)
print("** Run flent RRUL and ping tests (each 15 seconds.)")
h2.cmd("flent rrul -p all_scaled -l 15 -H 10.0.0.1 -o /flent_data/rrul.png")
h2.cmd("flent rrul -p ping_cdf -l 15 -H 10.0.0.1 -o /flent_data/ping.png")
print("Generated plot and data are located in ./examples/.")
if not AUTOTEST_MODE:
CLI(net)
net.stop()
mgr.stop()
def testTopo():
"""testTopo"""
net = Containernet(
controller=Controller,
link=TCLink,
autoSetMacs=True,
autoStaticArp=True,
xterms=True,
)
info("*** Adding controller\n")
net.addController("c0")
info("*** Adding hosts\n")
client = net.addDockerHost(
"client",
dimage="yolov2",
ip="10.0.0.11/24",
docker_args={
"cpuset_cpus": "0",
"hostname": "client"
},
)
vnf = net.addDockerHost(
"vnf",
dimage="yolov2",
ip="10.0.0.12/24",
docker_args={
"cpuset_cpus": "0",
"hostname": "vnf"
},
)
# Run server on another vCPU since it is more compute-intensive than client
# and vnf.
server = net.addDockerHost(
"server",
dimage="yolov2",
ip="10.0.0.21/24",
docker_args={
"cpuset_cpus": "1",
"hostname": "server"
},
)
info("*** Adding switch\n")
s1 = net.addSwitch("s1")
info("*** Creating links\n")
net.addLinkNamedIfce(s1, client, bw=10, delay="150ms", use_htb=True)
net.addLinkNamedIfce(s1, vnf, bw=10, delay="150ms", use_htb=True)
net.addLinkNamedIfce(s1, server, bw=10, delay="150ms", use_htb=True)
info("*** Starting network\n")
net.start()
net.pingAll()
add_ovs_flows()
ifces = ["s1-vnf"]
disable_cksum_offload(ifces)
info("*** Enter CLI\n")
CLI(net)
info("*** Stopping network")
net.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 testTopo():
# xterms=True, spawn xterms for all nodes after net.start()
net = Containernet(controller=Controller, link=TCLink, xterms=True)
info("*** Adding controller\n")
net.addController("c0")
info("*** Adding hosts\n")
compressor = net.addDockerHost(
"compressor",
dimage="o2sc",
ip="10.0.0.1/24",
docker_args={
"cpuset_cpus": "1",
"cpu_quota": 25000,
"hostname": "compressor"
},
)
decompressor = net.addDockerHost(
"decompressor",
dimage="o2sc",
ip="10.0.0.2/24",
docker_args={
"cpuset_cpus": "1",
"cpu_quota": 25000,
"hostname": "decompressor",
},
)
source_1 = net.addDockerHost(
"source_1",
dimage="o2sc",
ip="10.0.0.11/24",
docker_args={
"cpuset_cpus": "1",
"cpu_quota": 25000,
"hostname": "source_1"
},
)
source_2 = net.addDockerHost(
"source_2",
dimage="o2sc",
ip="10.0.0.12/24",
docker_args={
"cpuset_cpus": "1",
"cpu_quota": 25000,
"hostname": "source_2"
},
)
source_3 = net.addDockerHost(
"source_3",
dimage="o2sc",
ip="10.0.0.13/24",
docker_args={
"cpuset_cpus": "1",
"cpu_quota": 25000,
"hostname": "source_3"
},
)
info("*** Adding switch\n")
s1 = net.addSwitch("s1")
info("*** Creating links\n")
net.addLinkNamedIfce(s1, compressor, bw=10, delay="100ms")
net.addLinkNamedIfce(s1, decompressor, bw=10, delay="100ms")
net.addLinkNamedIfce(s1, source_1, bw=10, delay="100ms")
net.addLinkNamedIfce(s1, source_2, bw=10, delay="100ms")
net.addLinkNamedIfce(s1, source_3, bw=10, delay="100ms")
info("*** Starting network\n")
net.start()
net.pingAll()
info("*** Enter CLI\n")
info("Use help command to get CLI usages\n")
CLI(net)
info("*** Stopping network")
net.stop()
info("\n*** Starting network\n")
net.start()
print("- Run builder to build FFPP programs.")
builder = mgr.addContainer(
"builder",
"h2",
"ffpp",
"bash",
docker_args={
"volumes": FFPP_VOLS,
"working_dir": "/ffpp_app",
},
)
time.sleep(1)
spawnXtermDocker("builder")
CLI(net)
print("- Add the distributor VNF on host h2.")
distributor = mgr.addContainer(
"distributor",
"h2",
"ffpp",
"bash",
docker_args={
"volumes": FFPP_VOLS,
"working_dir": "/ffpp_app",
"nano_cpus": int(3e8),
},
)
time.sleep(1)
spawnXtermDocker("distributor")
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()
def testMuNF(nano_cpus):
net = Containernet(controller=Controller, link=TCLink)
mgr = VNFManager(net)
start_ts = time.time()
info("*** Adding controller\n")
net.addController("c0")
info("*** Adding Docker hosts\n")
pktgen = net.addDockerHost(
"pktgen",
dimage=f"trex:{TREX_VER}",
ip="10.0.0.1/24",
docker_args={
"cpuset_cpus": "0",
"hostname": "pktgen",
"volumes": {
os.path.join(TREX_CONF_DIR, "trex_cfg.yaml"): {
"bind": "/etc/trex_cfg.yaml",
"mode": "rw",
},
TREX_CONF_DIR: {"bind": f"/trex/{TREX_VER}/local", "mode": "rw"},
},
},
)
dut = net.addDockerHost(
"dut",
dimage=f"ffpp:{FFPP_VER}",
ip="10.0.0.2/24",
docker_args={
"cpuset_cpus": "1,2",
"nano_cpus": int(nano_cpus),
"hostname": "dut",
"volumes": {
"/sys/bus/pci/drivers": {"bind": "/sys/bus/pci/drivers", "mode": "rw"},
"/sys/kernel/mm/hugepages": {
"bind": "/sys/kernel/mm/hugepages",
"mode": "rw",
},
"/sys/devices/system/node": {
"bind": "/sys/devices/system/node",
"mode": "rw",
},
"/dev": {"bind": "/dev", "mode": "rw"},
FFPP_DIR: {"bind": "/ffpp", "mode": "rw"},
},
},
)
s1 = net.addSwitch("s1")
# Control plane links.
net.addLinkNamedIfce(s1, pktgen)
net.addLinkNamedIfce(s1, dut)
# Data plane links.
net.addLink(
dut, pktgen, bw=1000, delay="1ms", intfName1="vnf-in", intfName2="pktgen-out"
)
net.addLink(
dut, pktgen, bw=1000, delay="1ms", intfName1="vnf-out", intfName2="pktgen-in"
)
pktgen.cmd("ip addr add 192.168.17.1/24 dev pktgen-out")
pktgen.cmd("ip addr add 192.168.18.1/24 dev pktgen-in")
dut.cmd("ip addr add 192.168.17.2/24 dev vnf-in")
dut.cmd("ip addr add 192.168.18.2/24 dev vnf-out")
# TODO: Deploy a chain of CNFs.
cnfs = list()
for n in range(1):
cnf = mgr.addContainer(
f"cnf{n}",
"dut",
f"ffpp:{FFPP_VER}",
"/bin/bash",
docker_args={
"volumes": {
"/sys/bus/pci/drivers": {
"bind": "/sys/bus/pci/drivers",
"mode": "rw",
},
"/sys/kernel/mm/hugepages": {
"bind": "/sys/kernel/mm/hugepages",
"mode": "rw",
},
"/sys/devices/system/node": {
"bind": "/sys/devices/system/node",
"mode": "rw",
},
"/dev": {"bind": "/dev", "mode": "rw"},
FFPP_DIR: {"bind": "/ffpp", "mode": "rw"},
}
},
)
cnfs.append(cnf)
net.start()
# Avoid looping
pktgen.cmd("ip addr flush dev pktgen-s1")
pktgen.cmd("ip link set pktgen-s1 down")
dut.cmd("ip addr flush dev dut-s1")
dut.cmd("ip link set dut-s1 down")
pktgen.cmd("ping -c 5 192.168.17.2")
pktgen.cmd("ping -c 5 192.168.18.2")
duration = time.time() - start_ts
print(f"Setup duration: {duration:.2f} seconds.")
CLI(net)
info("*** Stopping network\n")
net.stop()
mgr.stop()
def run_benchmark(proto):
net = Containernet(controller=Controller,
link=TCLink,
switch=OVSSwitch,
autoStaticArp=False)
info("*** Adding controller\n")
net.addController("c0")
info("*** Adding switch\n")
s1 = net.addSwitch("s1")
# MARK: The relay should run on a different CPU core as the client and
# server. To avoid cache misses of the VNF running on the relay.
info("*** Adding client and server.\n")
client = net.addDockerHost(
"client",
dimage="lat_bm:latest",
ip="10.0.0.100/24",
docker_args={
"cpuset_cpus": "0",
"volumes": {
"%s" % FFPP_DIR: {
"bind": "/ffpp",
"mode": "ro"
}
},
},
)
net.addLinkNamedIfce(s1, client, delay="100ms")
server = net.addDockerHost(
"server",
dimage="lat_bm:latest",
ip="10.0.0.200/24",
docker_args={"cpuset_cpus": "0"},
)
net.addLinkNamedIfce(s1, server, delay="100ms")
if ADD_RELAY:
cpus_relay = "1"
if TEST_NF == "l2fwd-power":
print(
"*** [INFO] l2fwd-power application require at least one master and one slave core.\n"
"The master handles timers and slave core handles forwarding task."
)
cpus_relay = "0,1"
info("*** Adding relay.\n")
# Need additional mounts to run DPDK application
# MARK: Just used for development, never use this in production container
# setup.
relay = net.addDockerHost(
"relay",
dimage="ffpp:latest",
ip="10.0.0.101/24",
docker_args={
"cpuset_cpus": cpus_relay,
"nano_cpus": int(1.0 * 1e9),
"volumes": {
"/sys/bus/pci/drivers": {
"bind": "/sys/bus/pci/drivers",
"mode": "rw",
},
"/sys/kernel/mm/hugepages": {
"bind": "/sys/kernel/mm/hugepages",
"mode": "rw",
},
"/sys/devices/system/node": {
"bind": "/sys/devices/system/node",
"mode": "rw",
},
"/dev": {
"bind": "/dev",
"mode": "rw"
},
"%s" % FFPP_DIR: {
"bind": "/ffpp",
"mode": "rw"
},
},
},
)
net.addLinkNamedIfce(s1, relay, delay="100ms")
info("*** Starting network\n")
net.start()
net.pingAll()
nodes = [n.name for n in net.hosts]
sw_ifaces = [f"s1-{n}" for n in nodes]
info("*** Disable kernel IP checksum offloading.\n")
for iface in sw_ifaces:
check_output(split(f"ethtool --offload {iface} rx off tx off"))
node_portnum_map = {n: getOFPort(s1, f"s1-{n}") for n in nodes}
if ADD_RELAY:
info("*** Add OpenFlow rules for traffic redirection.\n")
peer_map = {"client": "relay", "relay": "server", "server": "client"}
for p in ["udp", "tcp"]:
for peer in peer_map.keys():
check_output(
split(
'ovs-ofctl add-flow s1 "{},in_port={},actions=output={}"'
.format(p, node_portnum_map[peer],
node_portnum_map[peer_map[peer]])))
if DEBUG:
flow_table = s1.dpctl("dump-flows")
print(f"*** Current flow table of s1: \n {flow_table}")
info("*** Run DPDK helloworld\n")
relay.cmd("cd $RTE_SDK/examples/helloworld && make")
ret = relay.cmd(
"cd $RTE_SDK/examples/helloworld/build && ./helloworld")
print(f"Output of helloworld app:\n{ret}")
DISPATCHER[TEST_NF](relay)
server.cmd("pkill sockperf")
setup_server(server, proto)
for mps in LAT_TEST_PARAS["client_mps_list"]:
run_latency_test(server, client, proto, mps)
time.sleep(3)
if ENTER_CLI:
info("*** Enter CLI\n")
info("Use help command to get CLI usages\n")
CLI(net)
info("*** Stopping network")
net.stop()
def main():
if os.geteuid() != 0:
print("Run this script with sudo.", file=sys.stderr)
sys.exit(1)
parser = argparse.ArgumentParser(description="Dumbbell topology to test COIN-DL")
parser.add_argument(
"-m",
"--vnf_mode",
type=str,
default="",
choices=["", "store_forward", "compute_forward"],
help="Working mode of all VNF(s)",
)
parser.add_argument(
"--tests",
type=str,
default="",
help="Test names separated by commas. Empty string means no tests. Example: sockperf,store_forward",
)
parser.add_argument("--dev", action="store_true", help="Run in development mode")
args = parser.parse_args()
check_env()
setLogLevel("info")
tests = parse_tests(args.tests)
if not tests:
info("*** No tests are going to be performed.\n")
# IPv6 is currently not used, disable it.
subprocess.run(
shlex.split("sysctl -w net.ipv6.conf.all.disable_ipv6=1"),
check=True,
)
net = None
nodes = None
try:
net, nodes, _ = create_dumbbell()
# Use the minimal dumbbell as the start
assert len(nodes["vnfs"]) == 2
if net:
net.start()
else:
raise RuntimeError("Failed to create the dumbbell topology")
disable_checksum_offload(nodes)
start_controllers(nodes["controllers"])
time.sleep(3)
net.pingAll()
deploy_vnfs(nodes["vnfs"], args.vnf_mode)
deploy_servers(nodes["servers"])
run_tests(nodes, tests)
if args.dev:
CLI(net)
finally:
if net:
info("*** Stopping network\n")
net.stop()
info("*** Killing Ryu manager\n")
subprocess.run(shlex.split("sudo killall ryu-manager"), check=False)
info("*** Trying to clean up ComNetsEmu\n")
subprocess.run(
shlex.split("sudo ce -c"),
check=True,
capture_output=False,
stdout=subprocess.DEVNULL,
stderr=subprocess.DEVNULL,
)
subprocess.run(
shlex.split("sysctl -w net.ipv6.conf.all.disable_ipv6=0"),
check=True,
)