Python Containernet.addDocker方法代碼示例

# 需要導入模塊: from mininet.net import Containernet [as 別名]
# 或者: from mininet.net.Containernet import addDocker [as 別名]
def topology():

    "Create a network with some docker containers acting as hosts."

    net = Containernet(controller=Controller)

    info('*** Adding controller\n')
    net.addController('c0')

    info('*** Adding hosts\n')
    h1 = net.addHost('h1')
    h2 = net.addHost('h2')

    info('*** Adding docker containers\n')
    d1 = net.addDocker('d1', ip='10.0.0.251', dimage="ubuntu:trusty")
    d2 = net.addDocker('d2', ip='10.0.0.252', dimage="ubuntu:trusty", cpu_period=50000, cpu_quota=25000)
    d3 = net.addHost(
        'd3', ip='11.0.0.253', cls=Docker, dimage="ubuntu:trusty", cpu_shares=20)
    d5 = net.addDocker('d5', dimage="ubuntu:trusty", volumes=["/:/mnt/vol1:rw"])

    info('*** Adding switch\n')
    s1 = net.addSwitch('s1')
    s2 = net.addSwitch('s2', cls=OVSSwitch)
    s3 = net.addSwitch('s3')

    info('*** Creating links\n')
    net.addLink(h1, s1)
    net.addLink(s1, d1)
    net.addLink(h2, s2)
    net.addLink(d2, s2)
    net.addLink(s1, s2)
    #net.addLink(s1, s2, cls=TCLink, delay="100ms", bw=1, loss=10)
    # try to add a second interface to a docker container
    net.addLink(d2, s3, params1={"ip": "11.0.0.254/8"})
    net.addLink(d3, s3)

    info('*** Starting network\n')
    net.start()

    net.ping([d1, d2])

    # our extended ping functionality
    net.ping([d1], manualdestip="10.0.0.252")
    net.ping([d2, d3], manualdestip="11.0.0.254")

    info('*** Dynamically add a container at runtime\n')
    d4 = net.addDocker('d4', dimage="ubuntu:trusty")
    # we have to specify a manual ip when we add a link at runtime
    net.addLink(d4, s1, params1={"ip": "10.0.0.254/8"})
    # other options to do this
    #d4.defaultIntf().ifconfig("10.0.0.254 up")
    #d4.setIP("10.0.0.254")

    net.ping([d1], manualdestip="10.0.0.254")

    info('*** Running CLI\n')
    CLI(net)

    info('*** Stopping network')
    net.stop()

# 需要導入模塊: from mininet.net import Containernet [as 別名]
# 或者: from mininet.net.Containernet import addDocker [as 別名]
 def addDocker(self, label, **params):
     """
     Wrapper for addDocker method to use custom container class.
     """
     self.DCNetwork_graph.add_node(label, type=params.get('type', 'docker'))
     return Containernet.addDocker(
         self, label, cls=EmulatorCompute, **params)

# 需要導入模塊: from mininet.net import Containernet [as 別名]
# 或者: from mininet.net.Containernet import addDocker [as 別名]
def topology():

    "Create a network with some docker containers acting as hosts."

    net = Containernet(controller=Controller)

    info('*** Adding controller\n')
    net.addController('c0')

    info('*** Adding docker containers\n')
    d1 = net.addDocker('d1', ip='10.0.0.251', dimage="mpeuster/stress", cpuset_cpus="0,1")
    d1.sendCmd("./start.sh")

    info('*** Starting network\n')
    net.start()

    info('*** Running CLI\n')
    CLI(net)

    info('*** Stopping network')
    net.stop()

# 需要導入模塊: from mininet.net import Containernet [as 別名]
# 或者: from mininet.net.Containernet import addDocker [as 別名]
#!/usr/bin/python
"""
This is the most simple example to showcase Containernet.
"""
from mininet.net import Containernet
from mininet.node import Controller
from mininet.cli import CLI
from mininet.link import TCLink
from mininet.log import info, setLogLevel
setLogLevel('info')

net = Containernet(controller=Controller)
info('*** Adding controller\n')
net.addController('c0')
info('*** Adding docker containers\n')
d1 = net.addDocker('d1', ip='10.0.0.251', dimage="ubuntu:trusty")
d2 = net.addDocker('d2', ip='10.0.0.252', dimage="ubuntu:trusty")
info('*** Adding switches\n')
s1 = net.addSwitch('s1')
s2 = net.addSwitch('s2')
info('*** Creating links\n')
net.addLink(d1, s1)
net.addLink(s1, s2, cls=TCLink, delay='100ms', bw=1)
net.addLink(s2, d2)
info('*** Starting network\n')
net.start()
info('*** Testing connectivity\n')
net.ping([d1, d2])
info('*** Running CLI\n')
CLI(net)
info('*** Stopping network')

# 需要導入模塊: from mininet.net import Containernet [as 別名]
# 或者: from mininet.net.Containernet import addDocker [as 別名]
The images to be tested can be found in 'examples/example-containers'.
They are build with './build.sh'
"""
from mininet.net import Containernet
from mininet.node import Controller
from mininet.cli import CLI
from mininet.link import TCLink
from mininet.log import info, setLogLevel
setLogLevel('info')

net = Containernet(controller=Controller)
info('*** Adding controller\n')
net.addController('c0')

info('*** Adding docker containers\n')
d1 = net.addDocker('d1', dimage="ubuntu:trusty")
d2 = net.addDocker('d2', dimage="containernet_example:ubuntu1404")
d3 = net.addDocker('d3', dimage="containernet_example:ubuntu1604")
d4 = net.addDocker('d4', dimage="containernet_example:ubuntu1804")
d5 = net.addDocker('d5', dimage="containernet_example:centos6")
d6 = net.addDocker('d6', dimage="containernet_example:centos7")

info('*** Adding switches\n')
s1 = net.addSwitch('s1')

info('*** Creating links\n')
net.addLink(d1, s1)
net.addLink(d2, s1)
net.addLink(d3, s1)
net.addLink(d4, s1)
net.addLink(d5, s1)

# 需要導入模塊: from mininet.net import Containernet [as 別名]
# 或者: from mininet.net.Containernet import addDocker [as 別名]
class simpleTestTopology( unittest.TestCase ):
    """
        Helper class to do basic test setups.
        s1 -- s2 -- s3 -- ... -- sN
    """

    def __init__(self, *args, **kwargs):
        self.net = None
        self.s = []  # list of switches
        self.h = []  # list of hosts
        self.d = []  # list of docker containers
        self.docker_cli = None
        super(simpleTestTopology, self).__init__(*args, **kwargs)

    def createNet(
            self,
            nswitches=1, nhosts=0, ndockers=0,
            autolinkswitches=False):
        """
        Creates a Mininet instance and automatically adds some
        nodes to it.
        """
        self.net = Containernet( controller=Controller )
        self.net.addController( 'c0' )

        # add some switches
        for i in range(0, nswitches):
            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 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 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

    @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(
                "docker rm -f $(docker ps --filter 'label=com.containernet' -a -q)",
                stdout=devnull,
                stderr=devnull,
                shell=True)

    def getContainernetContainers(self):
        """
        List the containers managed by containernet
        """
        return self.getDockerCli().containers(filters={"label": "com.containernet"})