# This limitation does (of course) NOT hold for links between switches.
#
# Dynamic adding and removing of nodes also does not work when using the
# UserSwitch.
import time
from src.mininet.topo import Topo
from src.mininet.node import OVSSwitch
from src.maxinet.Frontend import maxinet_main
from src.maxinet.tools import Tools
# create topology
topo = Topo()
topo.addHost("h1", ip=Tools.makeIP(1), mac=Tools.makeMAC(1))
topo.addHost("h2", ip=Tools.makeIP(2), mac=Tools.makeMAC(2))
topo.addSwitch("s1", dpid=Tools.makeDPID(1))
topo.addLink("h1", "s1")
topo.addLink("h2", "s1")
# start cluster
cluster = maxinet_main.Cluster(minWorkers=2, maxWorkers=2)
# start experiment with OVSSwitch on cluster
exp = maxinet_main.Experiment(cluster, topo, switch=OVSSwitch)
exp.setup()
print "waiting 5 seconds for routing algorithms on the controller to converge"
time.sleep(5)
def get_attribute(node, attribute):
print(node.nn + "." + attribute)
ok = False
try:
print("\t->" + str(node._get(attribute)))
ok = True
except Exception as e:
print("\tFAILED")
traceback.print_exc()
if ok:
print("\tOKAY")
print
topo = Topo()
topo.addHost("h1", cls=CPULimitedHost, ip="10.0.0.251")
topo.addHost("h2", cls=CPULimitedHost, ip="10.0.0.252")
topo.addSwitch("s1")
topo.addLink("h1", "s1")
topo.addLink("h2", "s1")
cluster = maxinet_main.Cluster()
exp = maxinet_main.Experiment(cluster, topo, switch=OVSSwitch)
exp.setup()
h1 = exp.get_node("h1")
h2 = exp.get_node("h2")
s1 = exp.get_node("s1")
print(
"#######################################################################")
#!/usr/bin/env python2
""" An example showing all available methods and attributes of the NodeWrapper for Docker hosts.
"""
from src.maxinet.Frontend import maxinet_main
from src.maxinet.Frontend.libvirt import LibvirtHost
from src.mininet.topo import Topo
from src.mininet.node import OVSSwitch
topo = Topo()
vm1 = topo.addHost("vm1",
cls=LibvirtHost,
ip="10.0.0.251",
disk_image="/srv/images/ubuntu16.04.qcow2")
cluster = maxinet_main.Cluster()
exp = maxinet_main.Experiment(cluster, topo, switch=OVSSwitch)
exp.setup()
try:
node_wrapper = exp.get_node("vm1")
print("Testing methods:")
print("=================")
print("updateCpuLimit():")
print("\t" +
str(node_wrapper.updateCpuLimit(10000, 10000, 1, {
0: "1",
1: "0"
}))) # cpu_quota, cpu_period, cpu_shares, cores
#!/usr/bin/env python2
""" An example showing all available methods and attributes of the NodeWrapper for Docker hosts.
"""
from src.maxinet.Frontend import maxinet_main
from src.maxinet.Frontend.container import Docker
from src.mininet.topo import Topo
from src.mininet.node import OVSSwitch
topo = Topo()
d1 = topo.addHost("d1", cls=Docker, ip="10.0.0.251", dimage="ubuntu:trusty")
cluster = maxinet_main.Cluster()
exp = maxinet_main.Experiment(cluster, topo, switch=OVSSwitch)
exp.setup()
try:
node_wrapper = exp.get_node("d1")
print("Testing methods:")
print("=================")
print("updateCpuLimit():")
print("\t" + str(node_wrapper.updateCpuLimit(
10000, 10000, 1, "0-1"))) # cpu_quota, cpu_period, cpu_shares, cores
print("updateMemoryLimit():")
print("\t" + str(node_wrapper.updateMemoryLimit(300000)))
print("cgroupGet():")
print("\t" + str(node_wrapper.cgroupGet('cpus', resource='cpuset')))
