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