test/resources/linux/gretunnel.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 skipIfAnyNotAliveWithIdentity
  24
  25 import os
  26 import time
  27 import unittest
  28
  29 ## TODO: VALIDATE THIS TEST!
  30
  31 class LinuxGRETunnelTestCase(unittest.TestCase):
  32     def setUp(self):
  33         self.host = "roseval.pl.sophia.inria.fr"
  34         self.user = "inria_nepi"
  35         self.identity = "%s/.ssh/id_rsa" % (os.environ['HOME'])
  36         self.netblock = "192.168.1"
  37
  38     @skipIfAnyNotAliveWithIdentity
  39     def t_tap_gre_tunnel(self, user, host, identity):
  40         ec = ExperimentController(exp_id = "test-tap-gre-tunnel")
  41
  42         node1 = ec.register_resource("linux::Node")
  43         ec.set(node1, "hostname", "localhost")
  44         ec.set(node1, "cleanExperiment", True)
  45         ec.set(node1, "cleanProcesses", True)
  46
  47         tap1 = ec.register_resource("linux::Tap")
  48         ec.set(tap1, "ip", "%s.1" % self.netblock)
  49         ec.set(tap1, "prefix", "32")
  50         ec.register_connection(tap1, node1)
  51
  52         node2 = ec.register_resource("linux::Node")
  53         ec.set(node2, "hostname", host)
  54         ec.set(node2, "username", user)
  55         ec.set(node2, "identity", identity)
  56         ec.set(node2, "cleanExperiment", True)
  57         ec.set(node2, "cleanProcesses", True)
  58
  59         tap2 = ec.register_resource("linux::Tap")
  60         ec.set(tap2, "ip", "%s.2" % self.netblock)
  61         ec.set(tap2, "prefix", "32")
  62         ec.register_connection(tap2, node2)
  63
  64         gretun = ec.register_resource("linux::GRETunnel")
  65         ec.register_connection(tap1, gretun)
  66         ec.register_connection(tap2, gretun)
  67
  68         app = ec.register_resource("linux::Application")
  69         cmd = "ping -c3 %s.2" % self.netblock
  70         ec.set(app, "command", cmd)
  71         ec.register_connection(app, node1)
  72
  73         ec.deploy()
  74
  75         ec.wait_finished(app)
  76
  77         ping = ec.trace(app, 'stdout')
  78         expected = """3 packets transmitted, 3 received, 0% packet loss"""
  79         self.assertTrue(ping.find(expected) > -1)
  80
  81         if_name = ec.get(tap1, "deviceName")
  82         self.assertTrue(if_name.startswith("tap"))
  83
  84         if_name = ec.get(tap2, "deviceName")
  85         self.assertTrue(if_name.startswith("tap"))
  86
  87         ec.shutdown()
  88
  89     @skipIfAnyNotAliveWithIdentity
  90     def t_tun_gre_tunnel(self, user, host, identity):
  91         ec = ExperimentController(exp_id = "test-tun-gre-tunnel")
  92
  93         node1 = ec.register_resource("linux::Node")
  94         ec.set(node1, "hostname", "localhost")
  95         ec.set(node1, "cleanExperiment", True)
  96         ec.set(node1, "cleanProcesses", True)
  97
  98         tun1 = ec.register_resource("linux::Tun")
  99         ec.set(tun1, "ip", "%s.1" % self.netblock)
 100         ec.set(tun1, "prefix", "32")
 101         ec.register_connection(tun1, node1)
 102
 103         node2 = ec.register_resource("linux::Node")
 104         ec.set(node2, "hostname", host)
 105         ec.set(node2, "username", user)
 106         ec.set(node2, "identity", identity)
 107         ec.set(node2, "cleanExperiment", True)
 108         ec.set(node2, "cleanProcesses", True)
 109
 110         tun2 = ec.register_resource("linux::Tun")
 111         ec.set(tun2, "ip", "%s.2" % self.netblock)
 112         ec.set(tun2, "prefix", "32")
 113         ec.register_connection(tun2, node2)
 114
 115         udptun = ec.register_resource("linux::GRETunnel")
 116         ec.register_connection(tun1, udptun)
 117         ec.register_connection(tun2, udptun)
 118
 119         app = ec.register_resource("linux::Application")
 120         cmd = "ping -c3 %s.2" % self.netblock
 121         ec.set(app, "command", cmd)
 122         ec.register_connection(app, node1)
 123
 124         ec.deploy()
 125
 126         ec.wait_finished(app)
 127
 128         ping = ec.trace(app, 'stdout')
 129         expected = """3 packets transmitted, 3 received, 0% packet loss"""
 130         self.assertTrue(ping.find(expected) > -1)
 131
 132         if_name = ec.get(tun1, "deviceName")
 133         self.assertTrue(if_name.startswith("tun"))
 134
 135         if_name = ec.get(tun2, "deviceName")
 136         self.assertTrue(if_name.startswith("tun"))
 137
 138         ec.shutdown()
 139
 140     def test_tap_gre_tunnel(self):
 141         self.t_tap_gre_tunnel(self.user, self.host, self.identity)
 142
 143     def ztest_tun_gre_tunnel(self):
 144         self.t_tun_gre_tunnel(self.user, self.host, self.identity)
 145
 146 if __name__ == '__main__':
 147     unittest.main()
 148