examples/design1.py

   1 #!/usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3
   4 from nepi.core.description import ExperimentDescription
   5 from nepi.testbeds import netns
   6
   7 exp_desc = ExperimentDescription()
   8 testbed_version = "01"
   9 netns_provider = netns.TestbedFactoriesProvider(testbed_version)
  10 netns_desc = exp_desc.add_testbed_description(netns_provider)
  11
  12 node1 = netns_desc.create("Node")
  13 node2 = netns_desc.create("Node")
  14 iface1 = netns_desc.create("NodeInterface")
  15 iface1.set_attribute_value("up", True)
  16 node1.connector("devs").connect(iface1.connector("node"))
  17 ip1 = iface1.add_address()
  18 ip1.set_attribute_value("Address", "10.0.0.1")
  19 iface2 = netns_desc.create("NodeInterface")
  20 iface2.set_attribute_value("up", True)
  21 node2.connector("devs").connect(iface2.connector("node"))
  22 ip2 = iface2.add_address()
  23 ip2.set_attribute_value("Address", "10.0.0.2")
  24 switch = netns_desc.create("Switch")
  25 switch.set_attribute_value("up", True)
  26 iface1.connector("switch").connect(switch.connector("devs"))
  27 iface2.connector("switch").connect(switch.connector("devs"))
  28 app = netns_desc.create("Application")
  29 app.set_attribute_value("command", "ping -qc10 10.0.0.2")
  30 app.connector("node").connect(node1.connector("apps"))
  31
  32 xml = exp_desc.to_xml()
  33 exp_desc2 = ExperimentDescription()
  34 exp_desc2.from_xml(xml)
  35 xml2 = exp_desc2.to_xml()
  36 assert xml == xml2
  37
  38