test/resources/linux/serialization.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 version 2 as
   8 #    published by the Free Software Foundation;
   9 #
  10 #    This program is distributed in the hope that it will be useful,
  11 #    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 #    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 #    GNU General Public License for more details.
  14 #
  15 #    You should have received a copy of the GNU General Public License
  16 #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17 #
  18 # Author: Alina Quereilhac <alina.quereilhac@inria.fr>
  19
  20 from nepi.execution.ec import ExperimentController
  21 from nepi.execution.resource import ResourceState, ResourceAction
  22 from nepi.execution.trace import TraceAttr
  23
  24 from test_utils import skipIfNotAlive, skipInteractive
  25
  26 import os
  27 import shutil
  28 import time
  29 import tempfile
  30 import unittest
  31
  32 class LinuxSerializationTestCase(unittest.TestCase):
  33     def setUp(self):
  34         self.fedora_host = "nepi2.pl.sophia.inria.fr"
  35         self.fedora_user = "inria_nepi"
  36
  37         self.ubuntu_host = "roseval.pl.sophia.inria.fr"
  38         self.ubuntu_user = "inria_nepi"
  39
  40         self.target = "nepi5.pl.sophia.inria.fr"
  41
  42     @skipIfNotAlive
  43     def t_condition_serialize(self, host, user, depends):
  44
  45         dirpath = tempfile.mkdtemp()
  46
  47         ec = ExperimentController(exp_id="test-condition-serial")
  48
  49         node = ec.register_resource("linux::Node")
  50         ec.set(node, "hostname", host)
  51         ec.set(node, "username", user)
  52         ec.set(node, "cleanExperiment", True)
  53         ec.set(node, "cleanProcesses", True)
  54
  55         server = ec.register_resource("linux::Application")
  56         cmd = "echo 'HOLA' | nc -l 3333"
  57         ec.set(server, "command", cmd)
  58         ec.set(server, "depends", depends)
  59         ec.register_connection(server, node)
  60
  61         client = ec.register_resource("linux::Application")
  62         cmd = "nc 127.0.0.1 3333"
  63         ec.set(client, "command", cmd)
  64         ec.register_connection(client, node)
  65
  66         ec.register_condition(client, ResourceAction.START, server, ResourceState.STARTED)
  67
  68         apps = [client, server]
  69
  70         filepath = ec.save(dirpath)
  71
  72         ec.deploy()
  73
  74         ec.wait_finished(apps)
  75
  76         self.assertTrue(ec.state(node) == ResourceState.STARTED)
  77         self.assertTrue(ec.state(server) == ResourceState.STOPPED)
  78         self.assertTrue(ec.state(client) == ResourceState.STOPPED)
  79
  80         stdout = ec.trace(client, "stdout")
  81         self.assertTrue(stdout.strip() == "HOLA")
  82
  83         ec.shutdown()
  84
  85         # Load serialized experiment
  86         ec2 = ExperimentController.load(filepath)
  87
  88         ec2.deploy()
  89         ec2.wait_finished(apps)
  90
  91         self.assertEqual(len(ec.resources), len(ec2.resources))
  92
  93         self.assertTrue(ec2.state(node) == ResourceState.STARTED)
  94         self.assertTrue(ec2.state(server) == ResourceState.STOPPED)
  95         self.assertTrue(ec2.state(client) == ResourceState.STOPPED)
  96
  97         stdout = ec2.trace(client, "stdout")
  98
  99         self.assertTrue(stdout.strip() == "HOLA")
 100
 101         ec2.shutdown()
 102
 103         shutil.rmtree(dirpath)
 104
 105     def test_condition_serialize_fedora(self):
 106         self.t_condition_serialize(self.fedora_host, self.fedora_user, "nc")
 107
 108     def test_condition_serialize_ubuntu(self):
 109         self.t_condition_serialize(self.ubuntu_host, self.ubuntu_user, "netcat")
 110
 111 if __name__ == '__main__':
 112     unittest.main()
 113