test/testbeds/planetlab/integration_cross.py

   1 #!/usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3
   4 import getpass
   5 from nepi.core.design import ExperimentDescription, FactoriesProvider
   6 from nepi.core.execute import ExperimentController
   7 from nepi.util import proxy
   8 from nepi.util.constants import DeploymentConfiguration as DC, ATTR_NEPI_TESTBED_ENVIRONMENT_SETUP
   9 import os
  10 import shutil
  11 import tempfile
  12 import test_util
  13 import time
  14 import unittest
  15 import re
  16
  17 class PlanetLabMultiIntegrationTestCase(unittest.TestCase):
  18     testbed_id = "planetlab"
  19     testbed_version = "01"
  20
  21     slicename1 = "inria_nepi"
  22     plchost1 = "nepiplc.pl.sophia.inria.fr"
  23
  24     slicename2 = "inria_nepi12"
  25     plchost2 = "www.planet-lab.eu"
  26
  27     host1pl1 = "nepi1.pl.sophia.inria.fr"
  28     host2pl1 = "nepi2.pl.sophia.inria.fr"
  29
  30     host1pl2 = "onelab11.pl.sophia.inria.fr"
  31     host2pl2 = "onelab10.pl.sophia.inria.fr"
  32
  33     def setUp(self):
  34         self.root_dir = tempfile.mkdtemp()
  35
  36     def tearDown(self):
  37         try:
  38             shutil.rmtree(self.root_dir)
  39         except:
  40             # retry
  41             time.sleep(0.1)
  42             shutil.rmtree(self.root_dir)
  43
  44     def make_experiment_desc(self):
  45         testbed_id = self.testbed_id
  46         testbed_version = self.testbed_version
  47
  48         slicename1 = self.slicename1
  49         plchost1 = self.plchost1
  50
  51         slicename2 = self.slicename2
  52         plchost2 = self.plchost2
  53
  54         pl_ssh_key = os.environ.get(
  55             "PL_SSH_KEY",
  56             "%s/.ssh/id_rsa_planetlab" % (os.environ['HOME'],) )
  57         pl_user, pl_pwd = test_util.pl_auth()
  58
  59         exp_desc = ExperimentDescription()
  60         pl_provider = FactoriesProvider(testbed_id, testbed_version)
  61         pl_desc = exp_desc.add_testbed_description(pl_provider)
  62         pl_desc.set_attribute_value("homeDirectory", self.root_dir)
  63         pl_desc.set_attribute_value("slice", slicename1)
  64         pl_desc.set_attribute_value("sliceSSHKey", pl_ssh_key)
  65         pl_desc.set_attribute_value("authUser", pl_user)
  66         pl_desc.set_attribute_value("authPass", pl_pwd)
  67         pl_desc.set_attribute_value("plcHost", plchost1)
  68
  69         pl_desc2 = exp_desc.add_testbed_description(pl_provider)
  70         pl_desc2.set_attribute_value("homeDirectory", self.root_dir+"v2")
  71         pl_desc2.set_attribute_value("slice", slicename2)
  72         pl_desc2.set_attribute_value("sliceSSHKey", pl_ssh_key)
  73         pl_desc2.set_attribute_value("authUser", pl_user)
  74         pl_desc2.set_attribute_value("authPass", pl_pwd)
  75         pl_desc2.set_attribute_value("plcHost", plchost2)
  76
  77         return pl_desc, pl_desc2, exp_desc
  78
  79     def make_pl_tapnode(self, pl, tapip, hostname, label_prefix):
  80         node1 = pl.create("Node")
  81         node1.set_attribute_value("hostname", hostname)
  82         node1.set_attribute_value("label", label_prefix)
  83         node1.set_attribute_value("emulation", True) # require emulation
  84         iface1 = pl.create("NodeInterface")
  85         iface1.set_attribute_value("label", label_prefix+"iface")
  86         if tapip:
  87             tap1 = pl.create("TapInterface")
  88             tap1.enable_trace("packets") # for error output
  89             tap1.set_attribute_value("label", label_prefix+"tap")
  90
  91             node1.connector("devs").connect(tap1.connector("node"))
  92
  93             tap1ip = tap1.add_address()
  94             tap1ip.set_attribute_value("Address", tapip)
  95             tap1ip.set_attribute_value("NetPrefix", 24)
  96             tap1ip.set_attribute_value("Broadcast", False)
  97         else:
  98             tap1 = None
  99             tap1ip = None
 100         inet = pl.create("Internet")
 101         node1.connector("devs").connect(iface1.connector("node"))
 102         iface1.connector("inet").connect(inet.connector("devs"))
 103
 104         return node1, iface1, tap1, tap1ip, inet
 105
 106     def make_ns_in_pl(self, pl, exp, node1, iface1, root):
 107         ns3_testbed_id = "ns3"
 108         ns3_testbed_version = "3_9_RC3"
 109
 110         # Add NS3 support in node1
 111         plnepi = pl.create("NepiDependency")
 112         plns3 = pl.create("NS3Dependency")
 113         plnepi.connector("node").connect(node1.connector("deps"))
 114         plns3.connector("node").connect(node1.connector("deps"))
 115
 116         # Create NS3 testbed running in node1
 117         ns3_provider = FactoriesProvider(ns3_testbed_id, ns3_testbed_version)
 118         ns3_desc = exp.add_testbed_description(ns3_provider)
 119         ns3_desc.set_attribute_value("rootDirectory", root)
 120         ns3_desc.set_attribute_value("SimulatorImplementationType", "ns3::RealtimeSimulatorImpl")
 121         ns3_desc.set_attribute_value("ChecksumEnabled", True)
 122         ns3_desc.set_attribute_value(DC.DEPLOYMENT_HOST, "{#[%s].addr[0].[Address]#}" % (
 123             iface1.get_attribute_value("label"),))
 124         ns3_desc.set_attribute_value(DC.DEPLOYMENT_USER,
 125             pl.get_attribute_value("slice"))
 126         ns3_desc.set_attribute_value(DC.DEPLOYMENT_KEY,
 127             pl.get_attribute_value("sliceSSHKey"))
 128         ns3_desc.set_attribute_value(DC.DEPLOYMENT_MODE, DC.MODE_DAEMON)
 129         ns3_desc.set_attribute_value(DC.DEPLOYMENT_COMMUNICATION, DC.ACCESS_SSH)
 130         ns3_desc.set_attribute_value(DC.DEPLOYMENT_ENVIRONMENT_SETUP,
 131             "{#[%s].[%s]#}" % (
 132                 node1.get_attribute_value("label"),
 133                 ATTR_NEPI_TESTBED_ENVIRONMENT_SETUP,))
 134         ns3_desc.set_attribute_value(DC.LOG_LEVEL, DC.DEBUG_LEVEL)
 135
 136         return ns3_desc
 137
 138
 139     def _test_plns3_crossconnect(self, proto):
 140         pl, pl2, exp = self.make_experiment_desc()
 141
 142         # Create PL node, ifaces, assign addresses
 143         node1, iface1, _, _, inet1 = self.make_pl_tapnode(pl,
 144             None, self.host1pl1, "node1")
 145         node2, iface2, tap2, tap2ip, inet2 = self.make_pl_tapnode(pl2,
 146             "192.168.2.3", self.host1pl2, "node2")
 147
 148         # Create NS3 instance in node1
 149         # With a node and all required protocols to be pinged
 150         ns3 = self.make_ns_in_pl(pl, exp, node1, iface1, "tb-ns-rcross-1")
 151
 152         ns1 = ns3.create("ns3::Node")
 153         ipv41 = ns3.create("ns3::Ipv4L3Protocol")
 154         arp1  = ns3.create("ns3::ArpL3Protocol")
 155         icmp1 = ns3.create("ns3::Icmpv4L4Protocol")
 156         ns1.connector("protos").connect(ipv41.connector("node"))
 157         ns1.connector("protos").connect(arp1.connector("node"))
 158         ns1.connector("protos").connect(icmp1.connector("node"))
 159         ns1if = ns3.create("ns3::FileDescriptorNetDevice")
 160         ns1if.enable_trace("FileDescriptorPcapTrace")
 161         ns1if.set_attribute_value("label", "ns1if")
 162         ns1tc = ns3.create("ns3::Nepi::TunChannel")
 163         ns1.connector("devs").connect(ns1if.connector("node"))
 164         ns1tc.connector("fd->").connect(ns1if.connector("->fd"))
 165         ip1 = ns1if.add_address()
 166         ip1.set_attribute_value("Address", "192.168.2.2")
 167         ip1.set_attribute_value("NetPrefix", 24)
 168         ip1.set_attribute_value("Broadcast", False)
 169
 170         # Connect the two
 171         tap2.connector(proto).connect(ns1tc.connector(proto))
 172
 173         # Create PlanetLab ping application, pinging the from one PL to another
 174         ping = pl2.create("Application")
 175         ping.set_attribute_value("command", "ping -qc10 {#[ns1if].addr[0].[Address]#}")
 176         ping.enable_trace("stdout")
 177         ping.enable_trace("stderr")
 178         ping.connector("node").connect(node2.connector("apps"))
 179
 180         comp_result = r"""PING .* \(.*\) \d*\(\d*\) bytes of data.
 181
 182 --- .* ping statistics ---
 183 10 packets transmitted, 10 received, 0% packet loss, time \d*ms.*
 184 """
 185
 186         xml = exp.to_xml()
 187
 188         controller = ExperimentController(xml, self.root_dir)
 189
 190         try:
 191             controller.start()
 192
 193             while not controller.is_finished(ping.guid):
 194                 time.sleep(0.5)
 195
 196             ping_result = controller.trace(ping.guid, "stdout")
 197             tap2_trace = controller.trace(tap2.guid, "packets")
 198         finally:
 199             controller.stop()
 200             controller.shutdown()
 201
 202         # asserts at the end, to make sure there's proper cleanup
 203         self.assertTrue(re.match(comp_result, ping_result, re.MULTILINE),
 204             "Unexpected trace:\n%s\nTap trace:\n%s\n" % (
 205                 ping_result,
 206                 tap2_trace) )
 207
 208     @test_util.skipUnless(test_util.pl_auth() is not None,
 209         "Test requires PlanetLab authentication info (PL_USER and PL_PASS environment variables)")
 210     @test_util.skipUnless(os.environ.get('NEPI_FULL_TESTS','').lower() in ('1','yes','true','on'),
 211         "Test is expensive, requires NEPI_FULL_TESTS=yes")
 212     def test_plns3_crossconnect_udp(self):
 213         self._test_plns3_crossconnect("udp")
 214
 215     @test_util.skipUnless(test_util.pl_auth() is not None,
 216         "Test requires PlanetLab authentication info (PL_USER and PL_PASS environment variables)")
 217     @test_util.skipUnless(os.environ.get('NEPI_FULL_TESTS','').lower() in ('1','yes','true','on'),
 218         "Test is expensive, requires NEPI_FULL_TESTS=yes")
 219     def test_plns3_crossconnect_tcp(self):
 220         self._test_plns3_crossconnect("tcp")
 221
 222
 223 if __name__ == '__main__':
 224     unittest.main()
 225