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 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 skipIfAnyNotAliveWithIdentity
  23
  24 import os
  25 import time
  26 import unittest
  27
  28 ## TODO: VALIDATE THIS TEST!
  29
  30 class LinuxGRETunnelTestCase(unittest.TestCase):
  31     def setUp(self):
  32         self.host = "roseval.pl.sophia.inria.fr"
  33         self.user = "inria_nepi"
  34         self.identity = "%s/.ssh/id_rsa" % (os.environ['HOME'])
  35         self.netblock = "192.168.1"
  36
  37     @skipIfAnyNotAliveWithIdentity
  38     def t_tap_gre_tunnel(self, user, host, identity):
  39         ec = ExperimentController(exp_id = "test-tap-gre-tunnel")
  40
  41         node1 = ec.register_resource("linux::Node")
  42         ec.set(node1, "hostname", "localhost")
  43         ec.set(node1, "cleanExperiment", True)
  44         ec.set(node1, "cleanProcesses", True)
  45
  46         tap1 = ec.register_resource("linux::Tap")
  47         ec.set(tap1, "ip", "%s.1" % self.netblock)
  48         ec.set(tap1, "prefix", "32")
  49         ec.register_connection(tap1, node1)
  50
  51         node2 = ec.register_resource("linux::Node")
  52         ec.set(node2, "hostname", host)
  53         ec.set(node2, "username", user)
  54         ec.set(node2, "identity", identity)
  55         ec.set(node2, "cleanExperiment", True)
  56         ec.set(node2, "cleanProcesses", True)
  57
  58         tap2 = ec.register_resource("linux::Tap")
  59         ec.set(tap2, "ip", "%s.2" % self.netblock)
  60         ec.set(tap2, "prefix", "32")
  61         ec.register_connection(tap2, node2)
  62
  63         gretun = ec.register_resource("linux::GRETunnel")
  64         ec.register_connection(tap1, gretun)
  65         ec.register_connection(tap2, gretun)
  66
  67         app = ec.register_resource("linux::Application")
  68         cmd = "ping -c3 %s.2" % self.netblock
  69         ec.set(app, "command", cmd)
  70         ec.register_connection(app, node1)
  71
  72         ec.deploy()
  73
  74         ec.wait_finished(app)
  75
  76         ping = ec.trace(app, 'stdout')
  77         expected = """3 packets transmitted, 3 received, 0% packet loss"""
  78         self.assertTrue(ping.find(expected) > -1)
  79
  80         if_name = ec.get(tap1, "deviceName")
  81         self.assertTrue(if_name.startswith("tap"))
  82
  83         if_name = ec.get(tap2, "deviceName")
  84         self.assertTrue(if_name.startswith("tap"))
  85
  86         ec.shutdown()
  87
  88     @skipIfAnyNotAliveWithIdentity
  89     def t_tun_gre_tunnel(self, user, host, identity):
  90         ec = ExperimentController(exp_id = "test-tun-gre-tunnel")
  91
  92         node1 = ec.register_resource("linux::Node")
  93         ec.set(node1, "hostname", "localhost")
  94         ec.set(node1, "cleanExperiment", True)
  95         ec.set(node1, "cleanProcesses", True)
  96
  97         tun1 = ec.register_resource("linux::Tun")
  98         ec.set(tun1, "ip", "%s.1" % self.netblock)
  99         ec.set(tun1, "prefix", "32")
 100         ec.register_connection(tun1, node1)
 101
 102         node2 = ec.register_resource("linux::Node")
 103         ec.set(node2, "hostname", host)
 104         ec.set(node2, "username", user)
 105         ec.set(node2, "identity", identity)
 106         ec.set(node2, "cleanExperiment", True)
 107         ec.set(node2, "cleanProcesses", True)
 108
 109         tun2 = ec.register_resource("linux::Tun")
 110         ec.set(tun2, "ip", "%s.2" % self.netblock)
 111         ec.set(tun2, "prefix", "32")
 112         ec.register_connection(tun2, node2)
 113
 114         udptun = ec.register_resource("linux::GRETunnel")
 115         ec.register_connection(tun1, udptun)
 116         ec.register_connection(tun2, udptun)
 117
 118         app = ec.register_resource("linux::Application")
 119         cmd = "ping -c3 %s.2" % self.netblock
 120         ec.set(app, "command", cmd)
 121         ec.register_connection(app, node1)
 122
 123         ec.deploy()
 124
 125         ec.wait_finished(app)
 126
 127         ping = ec.trace(app, 'stdout')
 128         expected = """3 packets transmitted, 3 received, 0% packet loss"""
 129         self.assertTrue(ping.find(expected) > -1)
 130
 131         if_name = ec.get(tun1, "deviceName")
 132         self.assertTrue(if_name.startswith("tun"))
 133
 134         if_name = ec.get(tun2, "deviceName")
 135         self.assertTrue(if_name.startswith("tun"))
 136
 137         ec.shutdown()
 138
 139     def test_tap_gre_tunnel(self):
 140         self.t_tap_gre_tunnel(self.user, self.host, self.identity)
 141
 142     def ztest_tun_gre_tunnel(self):
 143         self.t_tun_gre_tunnel(self.user, self.host, self.identity)
 144
 145 if __name__ == '__main__':
 146     unittest.main()
 147