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.host1 = "roseval.pl.sophia.inria.fr"
  34         self.host2 = "138.96.118.11"
  35         self.user1 = "inria_nepi"
  36         self.user2 = "omflab"
  37         self.identity = "%s/.ssh/id_rsa_planetlab" % (os.environ['HOME'])
  38         self.netblock = "192.168.1"
  39
  40     @skipIfAnyNotAliveWithIdentity
  41     def t_tap_gre_tunnel(self, user1, host1, identity1, user2, host2,
  42             identity2):
  43
  44         ec = ExperimentController(exp_id = "test-tap-gre-tunnel")
  45
  46         node1 = ec.register_resource("linux::Node")
  47         ec.set(node1, "hostname", host1)
  48         ec.set(node1, "username", user1)
  49         ec.set(node1, "identity", identity1)
  50         ec.set(node1, "cleanExperiment", True)
  51         ec.set(node1, "cleanProcesses", True)
  52
  53         tap1 = ec.register_resource("linux::Tap")
  54         ec.set(tap1, "ip", "%s.1" % self.netblock)
  55         ec.set(tap1, "prefix", "32")
  56         ec.register_connection(tap1, node1)
  57
  58         node2 = ec.register_resource("linux::Node")
  59         ec.set(node2, "hostname", host2)
  60         ec.set(node2, "username", user2)
  61         ec.set(node2, "identity", identity2)
  62         ec.set(node2, "cleanExperiment", True)
  63         ec.set(node2, "cleanProcesses", True)
  64
  65         tap2 = ec.register_resource("linux::Tap")
  66         ec.set(tap2, "ip", "%s.2" % self.netblock)
  67         ec.set(tap2, "prefix", "32")
  68         ec.register_connection(tap2, node2)
  69
  70         gretun = ec.register_resource("linux::GRETunnel")
  71         ec.register_connection(tap1, gretun)
  72         ec.register_connection(tap2, gretun)
  73
  74         app = ec.register_resource("linux::Application")
  75         cmd = "ping -c3 %s.2" % self.netblock
  76         ec.set(app, "command", cmd)
  77         ec.register_connection(app, node1)
  78
  79         ec.deploy()
  80
  81         ec.wait_finished(app)
  82
  83         ping = ec.trace(app, 'stdout')
  84         expected = """3 packets transmitted, 3 received, 0% packet loss"""
  85         self.assertTrue(ping.find(expected) > -1)
  86
  87         if_name = ec.get(tap1, "deviceName")
  88         self.assertTrue(if_name.startswith("tap"))
  89
  90         if_name = ec.get(tap2, "deviceName")
  91         self.assertTrue(if_name.startswith("tap"))
  92
  93         ec.shutdown()
  94
  95     @skipIfAnyNotAliveWithIdentity
  96     def t_tun_gre_tunnel(self, user1, host1, identity1, user2, host2,
  97             identity2):
  98
  99         ec = ExperimentController(exp_id = "test-tun-gre-tunnel")
 100
 101         node1 = ec.register_resource("linux::Node")
 102         ec.set(node1, "hostname", host1)
 103         ec.set(node1, "username", user1)
 104         ec.set(node1, "identity", identity1)
 105         ec.set(node1, "cleanExperiment", True)
 106         ec.set(node1, "cleanProcesses", True)
 107
 108         tun1 = ec.register_resource("linux::Tun")
 109         ec.set(tun1, "ip", "%s.1" % self.netblock)
 110         ec.set(tun1, "prefix", "32")
 111         ec.register_connection(tun1, node1)
 112
 113         node2 = ec.register_resource("linux::Node")
 114         ec.set(node2, "hostname", host2)
 115         ec.set(node2, "username", user2)
 116         ec.set(node2, "identity", identity2)
 117         ec.set(node2, "cleanExperiment", True)
 118         ec.set(node2, "cleanProcesses", True)
 119
 120         tun2 = ec.register_resource("linux::Tun")
 121         ec.set(tun2, "ip", "%s.2" % self.netblock)
 122         ec.set(tun2, "prefix", "32")
 123         ec.register_connection(tun2, node2)
 124
 125         udptun = ec.register_resource("linux::GRETunnel")
 126         ec.register_connection(tun1, udptun)
 127         ec.register_connection(tun2, udptun)
 128
 129         app = ec.register_resource("linux::Application")
 130         cmd = "ping -c3 %s.2" % self.netblock
 131         ec.set(app, "command", cmd)
 132         ec.register_connection(app, node1)
 133
 134         ec.deploy()
 135
 136         ec.wait_finished(app)
 137
 138         ping = ec.trace(app, 'stdout')
 139         expected = """3 packets transmitted, 3 received, 0% packet loss"""
 140         self.assertTrue(ping.find(expected) > -1)
 141
 142         if_name = ec.get(tun1, "deviceName")
 143         self.assertTrue(if_name.startswith("tun"))
 144
 145         if_name = ec.get(tun2, "deviceName")
 146         self.assertTrue(if_name.startswith("tun"))
 147
 148         ec.shutdown()
 149
 150     def test_tap_gre_tunnel(self):
 151         self.t_tap_gre_tunnel(self.user1, self.host1, self.identity,
 152                 self.user2, self.host2, self.identity)
 153
 154     def test_tun_gre_tunnel(self):
 155         self.t_tun_gre_tunnel(self.user1, self.host1, self.identity,
 156                 self.user2, self.host2, self.identity)
 157
 158 if __name__ == '__main__':
 159     unittest.main()
 160