test/resources/linux/tap.py

   1 #!/usr/bin/env python
   2 #
   3 #    NEPI, a framework to manage network experiments
   4 #    Copyright (C) 2013 INRIA
   5 #
   6 #    This program is free software: you can redistribute it and/or modify
   7 #    it under the terms of the GNU General Public License version 2 as
   8 #    published by the Free Software Foundation;
   9 #
  10 #    This program is distributed in the hope that it will be useful,
  11 #    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 #    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 #    GNU General Public License for more details.
  14 #
  15 #    You should have received a copy of the GNU General Public License
  16 #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17 #
  18 # Author: Alina Quereilhac <alina.quereilhac@inria.fr>
  19
  20 from nepi.execution.ec import ExperimentController
  21
  22 from test_utils import skipIfNotAlive
  23
  24 import os
  25 import time
  26 import unittest
  27
  28 class LinuxTapTestCase(unittest.TestCase):
  29     def setUp(self):
  30         self.host = "roseval.pl.sophia.inria.fr"
  31         self.user = "inria_nepi"
  32         self.identity = "%s/.ssh/id_rsa_planetlab" % (os.environ['HOME'])
  33         self.netblock = "192.168.1"
  34
  35     @skipIfNotAlive
  36     def t_tap_create(self, host, user=None, identity=None):
  37
  38         ec = ExperimentController(exp_id="test-tap-create")
  39
  40         node = ec.register_resource("linux::Node")
  41         ec.set(node, "hostname", host)
  42
  43         if host != "localhost":
  44             ec.set(node, "username", user)
  45             ec.set(node, "identity", identity)
  46
  47         ec.set(node, "cleanExperiment", True)
  48         ec.set(node, "cleanProcesses", True)
  49
  50         tap = ec.register_resource("linux::Tap")
  51         ec.set(tap, "ip", "%s.1" % self.netblock)
  52         ec.set(tap, "prefix", "24")
  53         ec.register_connection(tap, node)
  54
  55         app = ec.register_resource("linux::Application")
  56         cmd = "ping -c3 %s.1" % self.netblock
  57         ec.set(app, "command", cmd)
  58         ec.register_connection(app, node)
  59
  60         ec.deploy()
  61
  62         ec.wait_finished(app)
  63
  64         ping = ec.trace(app, "stdout")
  65         expected = """3 packets transmitted, 3 received, 0% packet loss"""
  66         self.assertTrue(ping.find(expected) > -1)
  67
  68         if_name = ec.get(tap, "deviceName")
  69         self.assertTrue(if_name.startswith("tap"))
  70
  71         ec.shutdown()
  72
  73     def test_tap_create(self):
  74         self.t_tap_create(self.host, self.user, self.identity)
  75
  76     def test_tap_create_local(self):
  77         self.t_tap_create("localhost")
  78
  79
  80 if __name__ == '__main__':
  81     unittest.main()
  82