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 = "planetlab1.utt.fr"
  30     host2pl2 = "planetlab2.utt.fr"
  31
  32     port_base = 2000 + (os.getpid() % 1000) * 13
  33
  34     def setUp(self):
  35         self.root_dir = tempfile.mkdtemp()
  36         self.__class__.port_base = self.port_base + 100
  37
  38     def tearDown(self):
  39         try:
  40             shutil.rmtree(self.root_dir)
  41         except:
  42             # retry
  43             time.sleep(0.1)
  44             shutil.rmtree(self.root_dir)
  45
  46     def make_experiment_desc(self):
  47         testbed_id = self.testbed_id
  48
  49         slicename1 = self.slicename1
  50         plchost1 = self.plchost1
  51
  52         slicename2 = self.slicename2
  53         plchost2 = self.plchost2
  54
  55         pl_ssh_key = os.environ.get(
  56             "PL_SSH_KEY",
  57             "%s/.ssh/id_rsa_planetlab" % (os.environ['HOME'],) )
  58         pl_user, pl_pwd = test_util.pl_auth()
  59
  60         exp_desc = ExperimentDescription()
  61         pl_provider = FactoriesProvider(testbed_id)
  62         pl_desc = exp_desc.add_testbed_description(pl_provider)
  63         pl_desc.set_attribute_value("homeDirectory", self.root_dir)
  64         pl_desc.set_attribute_value("slice", slicename1)
  65         pl_desc.set_attribute_value("sliceSSHKey", pl_ssh_key)
  66         pl_desc.set_attribute_value("authUser", pl_user)
  67         pl_desc.set_attribute_value("authPass", pl_pwd)
  68         pl_desc.set_attribute_value("plcHost", plchost1)
  69         pl_desc.set_attribute_value("tapPortBase", self.port_base)
  70
  71         pl_desc2 = exp_desc.add_testbed_description(pl_provider)
  72         pl_desc2.set_attribute_value("homeDirectory", self.root_dir+"v2")
  73         pl_desc2.set_attribute_value("slice", slicename2)
  74         pl_desc2.set_attribute_value("sliceSSHKey", pl_ssh_key)
  75         pl_desc2.set_attribute_value("authUser", pl_user)
  76         pl_desc2.set_attribute_value("authPass", pl_pwd)
  77         pl_desc2.set_attribute_value("plcHost", plchost2)
  78         pl_desc2.set_attribute_value("tapPortBase", self.port_base+100)
  79
  80         return pl_desc, pl_desc2, exp_desc
  81
  82     def make_pl_tapnode(self, pl, tapip, hostname, label_prefix):
  83         node1 = pl.create("Node")
  84         node1.set_attribute_value("hostname", hostname)
  85         node1.set_attribute_value("label", label_prefix)
  86         iface1 = pl.create("NodeInterface")
  87         iface1.set_attribute_value("label", label_prefix+"iface")
  88         if tapip:
  89             tap1 = pl.create("TapInterface")
  90             tap1.enable_trace("packets") # for error output
  91             tap1.set_attribute_value("label", label_prefix+"tap")
  92
  93             node1.connector("devs").connect(tap1.connector("node"))
  94
  95             tap1ip = tap1.add_address()
  96             tap1ip.set_attribute_value("Address", tapip)
  97             tap1ip.set_attribute_value("NetPrefix", 24)
  98             tap1ip.set_attribute_value("Broadcast", False)
  99         else:
 100             tap1 = None
 101             tap1ip = None
 102         inet = pl.create("Internet")
 103         node1.connector("devs").connect(iface1.connector("node"))
 104         iface1.connector("inet").connect(inet.connector("devs"))
 105
 106         return node1, iface1, tap1, tap1ip, inet
 107
 108     def make_ns_in_pl(self, pl, exp, node1, iface1, root):
 109         ns3_testbed_id = "ns3"
 110
 111         # Add NS3 support in node1
 112         plnepi = pl.create("NepiDependency")
 113         plns3 = pl.create("NS3Dependency")
 114         plnepi.connector("node").connect(node1.connector("deps"))
 115         plns3.connector("node").connect(node1.connector("deps"))
 116
 117         # Create NS3 testbed running in node1
 118         ns3_provider = FactoriesProvider(ns3_testbed_id)
 119         ns3_desc = exp.add_testbed_description(ns3_provider)
 120         ns3_desc.set_attribute_value("rootDirectory", root)
 121         ns3_desc.set_attribute_value("SimulatorImplementationType", "ns3::RealtimeSimulatorImpl")
 122         ns3_desc.set_attribute_value("ChecksumEnabled", True)
 123         ns3_desc.set_attribute_value(DC.DEPLOYMENT_HOST, "{#[%s].addr[0].[Address]#}" % (
 124             iface1.get_attribute_value("label"),))
 125         ns3_desc.set_attribute_value(DC.DEPLOYMENT_USER,
 126             pl.get_attribute_value("slice"))
 127         ns3_desc.set_attribute_value(DC.DEPLOYMENT_KEY,
 128             pl.get_attribute_value("sliceSSHKey"))
 129         ns3_desc.set_attribute_value(DC.DEPLOYMENT_MODE, DC.MODE_DAEMON)
 130         ns3_desc.set_attribute_value(DC.DEPLOYMENT_COMMUNICATION, DC.ACCESS_SSH)
 131         ns3_desc.set_attribute_value(DC.DEPLOYMENT_ENVIRONMENT_SETUP,
 132             "{#[%s].[%s]#}" % (
 133                 node1.get_attribute_value("label"),
 134                 ATTR_NEPI_TESTBED_ENVIRONMENT_SETUP,))
 135         ns3_desc.set_attribute_value(DC.LOG_LEVEL, DC.DEBUG_LEVEL)
 136
 137         return ns3_desc
 138
 139
 140     def _test_plns3_crossconnect(self, proto):
 141         pl, pl2, exp = self.make_experiment_desc()
 142
 143         # Create PL node, ifaces, assign addresses
 144         node1, iface1, _, _, inet1 = self.make_pl_tapnode(pl,
 145             None, self.host1pl1, "node1")
 146         node2, iface2, tap2, tap2ip, inet2 = self.make_pl_tapnode(pl2,
 147             "192.168.2.3", self.host1pl2, "node2")
 148
 149         # Create NS3 instance in node1
 150         # With a node and all required protocols to be pinged
 151         ns3 = self.make_ns_in_pl(pl, exp, node1, iface1, "tb-ns-rcross-1")
 152
 153         ns1 = ns3.create("ns3::Node")
 154         ipv41 = ns3.create("ns3::Ipv4L3Protocol")
 155         arp1  = ns3.create("ns3::ArpL3Protocol")
 156         icmp1 = ns3.create("ns3::Icmpv4L4Protocol")
 157         ns1.connector("protos").connect(ipv41.connector("node"))
 158         ns1.connector("protos").connect(arp1.connector("node"))
 159         ns1.connector("protos").connect(icmp1.connector("node"))
 160         ns1if = ns3.create("ns3::FileDescriptorNetDevice")
 161         ns1if.enable_trace("FileDescriptorPcapTrace")
 162         ns1if.set_attribute_value("label", "ns1if")
 163         ns1tc = ns3.create("ns3::Nepi::TunChannel")
 164         ns1.connector("devs").connect(ns1if.connector("node"))
 165         ns1tc.connector("fd->").connect(ns1if.connector("->fd"))
 166         ip1 = ns1if.add_address()
 167         ip1.set_attribute_value("Address", "192.168.2.2")
 168         ip1.set_attribute_value("NetPrefix", 24)
 169         ip1.set_attribute_value("Broadcast", False)
 170
 171         # Connect the two
 172         tap2.connector(proto).connect(ns1tc.connector(proto))
 173
 174         # Create PlanetLab ping application, pinging the from one PL to another
 175         ping = pl2.create("Application")
 176         ping.set_attribute_value("command", "ping -qc10 {#[ns1if].addr[0].[Address]#}")
 177         ping.enable_trace("stdout")
 178         ping.enable_trace("stderr")
 179         ping.connector("node").connect(node2.connector("apps"))
 180
 181         comp_result = r"""PING .* \(.*\) \d*\(\d*\) bytes of data.
 182
 183 --- .* ping statistics ---
 184 10 packets transmitted, 10 received, 0% packet loss, time \d*ms.*
 185 """
 186
 187         xml = exp.to_xml()
 188
 189         controller = ExperimentController(xml, self.root_dir)
 190
 191         try:
 192             controller.start()
 193
 194             while not controller.is_finished(ping.guid):
 195                 time.sleep(0.5)
 196
 197             ping_result = controller.trace(ping.guid, "stdout")
 198             tap2_trace = controller.trace(tap2.guid, "packets")
 199         finally:
 200             controller.stop()
 201             controller.shutdown()
 202
 203         # asserts at the end, to make sure there's proper cleanup
 204         self.assertTrue(re.match(comp_result, ping_result, re.MULTILINE),
 205             "Unexpected trace:\n%s\nTap trace:\n%s\n" % (
 206                 ping_result,
 207                 tap2_trace) )
 208
 209     @test_util.skipUnless(test_util.pl_auth() is not None,
 210         "Test requires PlanetLab authentication info (PL_USER and PL_PASS environment variables)")
 211     @test_util.skipUnless(os.environ.get('NEPI_FULL_TESTS','').lower() in ('1','yes','true','on'),
 212         "Test is expensive, requires NEPI_FULL_TESTS=yes")
 213     def test_plns3_crossconnect_udp(self):
 214         self._test_plns3_crossconnect("udp")
 215
 216     @test_util.skipUnless(test_util.pl_auth() is not None,
 217         "Test requires PlanetLab authentication info (PL_USER and PL_PASS environment variables)")
 218     @test_util.skipUnless(os.environ.get('NEPI_FULL_TESTS','').lower() in ('1','yes','true','on'),
 219         "Test is expensive, requires NEPI_FULL_TESTS=yes")
 220     def test_plns3_crossconnect_tcp(self):
 221         self._test_plns3_crossconnect("tcp")
 222
 223
 224 if __name__ == '__main__':
 225     unittest.main()
 226