test/testbeds/planetlab/integration_multi.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_desc.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         tap1 = pl.create("TapInterface")
  89         tap1.enable_trace("packets") # for error output
  90         tap1.set_attribute_value("label", label_prefix+"tap")
  91         inet = pl.create("Internet")
  92         node1.connector("devs").connect(iface1.connector("node"))
  93         node1.connector("devs").connect(tap1.connector("node"))
  94         iface1.connector("inet").connect(inet.connector("devs"))
  95
  96         tap1ip = tap1.add_address()
  97         tap1ip.set_attribute_value("Address", tapip)
  98         tap1ip.set_attribute_value("NetPrefix", 24)
  99         tap1ip.set_attribute_value("Broadcast", False)
 100
 101         return node1, iface1, tap1, tap1ip, inet
 102
 103     def _test_plpl_crossconnect(self, proto):
 104         pl, pl2, exp = self.make_experiment_desc()
 105
 106         # Create PL node, ifaces, assign addresses
 107         node1, iface1, tap1, tap1ip, inet1 = self.make_pl_tapnode(pl,
 108             "192.168.2.2", self.host1pl1, "node1")
 109         node2, iface2, tap2, tap2ip, inet2 = self.make_pl_tapnode(pl2,
 110             "192.168.2.3", self.host1pl2, "node2")
 111
 112         # Connect the two
 113         tap1.connector(proto).connect(tap2.connector(proto))
 114
 115         # Create PlanetLab ping application, pinging the from one PL to another
 116         ping = pl.create("Application")
 117         ping.set_attribute_value("command", "ping -qc10 {#[node2tap].addr[0].[Address]#}")
 118         ping.enable_trace("stdout")
 119         ping.enable_trace("stderr")
 120         ping.connector("node").connect(node1.connector("apps"))
 121
 122         comp_result = r"""PING .* \(.*\) \d*\(\d*\) bytes of data.
 123
 124 --- .* ping statistics ---
 125 10 packets transmitted, 10 received, 0% packet loss, time \d*ms.*
 126 """
 127
 128         xml = exp.to_xml()
 129
 130         controller = ExperimentController(xml, self.root_dir)
 131         controller.start()
 132
 133         while not controller.is_finished(ping.guid):
 134             time.sleep(0.5)
 135
 136         ping_result = controller.trace(ping.guid, "stdout")
 137         tap_trace = controller.trace(tap1.guid, "packets")
 138         tap2_trace = controller.trace(tap2.guid, "packets")
 139
 140         controller.stop()
 141         controller.shutdown()
 142
 143         # asserts at the end, to make sure there's proper cleanup
 144         self.assertTrue(re.match(comp_result, ping_result, re.MULTILINE),
 145             "Unexpected trace:\n%s\nTap trace at origin:\n%s\nTap trace at destination:\n%s\n" % (
 146                 ping_result,
 147                 tap_trace,
 148                 tap2_trace) )
 149
 150     @test_util.skipUnless(test_util.pl_auth() is not None,
 151         "Test requires PlanetLab authentication info (PL_USER and PL_PASS environment variables)")
 152     @test_util.skipUnless(os.environ.get('NEPI_FULL_TESTS','').lower() in ('1','yes','true','on'),
 153         "Test is expensive, requires NEPI_FULL_TESTS=yes")
 154     def test_plpl_crossconnect_udp(self):
 155         self._test_plpl_crossconnect("udp")
 156
 157     @test_util.skipUnless(test_util.pl_auth() is not None,
 158         "Test requires PlanetLab authentication info (PL_USER and PL_PASS environment variables)")
 159     @test_util.skipUnless(os.environ.get('NEPI_FULL_TESTS','').lower() in ('1','yes','true','on'),
 160         "Test is expensive, requires NEPI_FULL_TESTS=yes")
 161     def test_plpl_crossconnect_tcp(self):
 162         self._test_plpl_crossconnect("tcp")
 163
 164
 165 if __name__ == '__main__':
 166     unittest.main()
 167