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 as published by
   8 #    the Free Software Foundation, either version 3 of the License, or
   9 #    (at your option) any later version.
  10 #
  11 #    This program is distributed in the hope that it will be useful,
  12 #    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 #    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 #    GNU General Public License for more details.
  15 #
  16 #    You should have received a copy of the GNU General Public License
  17 #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 #
  19 # Author: Alina Quereilhac <alina.quereilhac@inria.fr>
  20
  21 from nepi.execution.ec import ExperimentController
  22
  23 from test_utils import skipIfNotAlive
  24
  25 import os
  26 import time
  27 import unittest
  28
  29 class LinuxTapTestCase(unittest.TestCase):
  30     def setUp(self):
  31         self.host = "roseval.pl.sophia.inria.fr"
  32         self.user = "inria_nepi"
  33         self.identity = "%s/.ssh/id_rsa_planetlab" % (os.environ['HOME'])
  34         self.netblock = "192.168.1"
  35
  36     @skipIfNotAlive
  37     def t_tap_create(self, host, user=None, identity=None):
  38
  39         ec = ExperimentController(exp_id="test-tap-create")
  40
  41         node = ec.register_resource("linux::Node")
  42         ec.set(node, "hostname", host)
  43
  44         if host != "localhost":
  45             ec.set(node, "username", user)
  46             ec.set(node, "identity", identity)
  47
  48         ec.set(node, "cleanExperiment", True)
  49         ec.set(node, "cleanProcesses", True)
  50
  51         tap = ec.register_resource("linux::Tap")
  52         ec.set(tap, "ip", "%s.1" % self.netblock)
  53         ec.set(tap, "prefix", "24")
  54         ec.register_connection(tap, node)
  55
  56         app = ec.register_resource("linux::Application")
  57         cmd = "ping -c3 %s.1" % self.netblock
  58         ec.set(app, "command", cmd)
  59         ec.register_connection(app, node)
  60
  61         ec.deploy()
  62
  63         ec.wait_finished(app)
  64
  65         ping = ec.trace(app, "stdout")
  66         expected = """3 packets transmitted, 3 received, 0% packet loss"""
  67         self.assertTrue(ping.find(expected) > -1)
  68
  69         if_name = ec.get(tap, "deviceName")
  70         self.assertTrue(if_name.startswith("tap"))
  71
  72         ec.shutdown()
  73
  74     def test_tap_create(self):
  75         self.t_tap_create(self.host, self.user, self.identity)
  76
  77     def test_tap_create_local(self):
  78         self.t_tap_create("localhost")
  79
  80
  81 if __name__ == '__main__':
  82     unittest.main()
  83