1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
2 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
5 <html xmlns="http://www.w3.org/1999/xhtml">
7 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
9 <title>nepi.resources.planetlab.openvswitch.ovsport — NEPI 3.2 documentation</title>
11 <link rel="stylesheet" href="../../../../../_static/sphinxdoc.css" type="text/css" />
12 <link rel="stylesheet" href="../../../../../_static/pygments.css" type="text/css" />
14 <script type="text/javascript">
15 var DOCUMENTATION_OPTIONS = {
16 URL_ROOT: '../../../../../',
18 COLLAPSE_INDEX: false,
23 <script type="text/javascript" src="../../../../../_static/jquery.js"></script>
24 <script type="text/javascript" src="../../../../../_static/underscore.js"></script>
25 <script type="text/javascript" src="../../../../../_static/doctools.js"></script>
26 <link rel="top" title="NEPI 3.2 documentation" href="../../../../../index.html" />
27 <link rel="up" title="Module code" href="../../../../index.html" />
33 <li class="right" style="margin-right: 10px">
34 <a href="../../../../../genindex.html" title="General Index"
35 accesskey="I">index</a></li>
37 <a href="../../../../../py-modindex.html" title="Python Module Index"
39 <li><a href="../../../../../index.html">NEPI 3.2 documentation</a> »</li>
40 <li><a href="../../../../index.html" accesskey="U">Module code</a> »</li>
43 <div class="sphinxsidebar">
44 <div class="sphinxsidebarwrapper">
45 <div id="searchbox" style="display: none">
47 <form class="search" action="../../../../../search.html" method="get">
48 <input type="text" name="q" />
49 <input type="submit" value="Go" />
50 <input type="hidden" name="check_keywords" value="yes" />
51 <input type="hidden" name="area" value="default" />
53 <p class="searchtip" style="font-size: 90%">
54 Enter search terms or a module, class or function name.
57 <script type="text/javascript">$('#searchbox').show(0);</script>
61 <div class="document">
62 <div class="documentwrapper">
63 <div class="bodywrapper">
66 <h1>Source code for nepi.resources.planetlab.openvswitch.ovsport</h1><div class="highlight"><pre>
67 <span class="c">#</span>
68 <span class="c"># NEPI, a framework to manage network experiments</span>
69 <span class="c"># Copyright (C) 2013 INRIA</span>
70 <span class="c">#</span>
71 <span class="c"># This program is free software: you can redistribute it and/or modify</span>
72 <span class="c"># it under the terms of the GNU General Public License version 2 as</span>
73 <span class="c"># published by the Free Software Foundation;</span>
74 <span class="c">#</span>
75 <span class="c"># This program is distributed in the hope that it will be useful,</span>
76 <span class="c"># but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
77 <span class="c"># MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
78 <span class="c"># GNU General Public License for more details.</span>
79 <span class="c">#</span>
80 <span class="c"># You should have received a copy of the GNU General Public License</span>
81 <span class="c"># along with this program. If not, see <http://www.gnu.org/licenses/>.</span>
82 <span class="c">#</span>
83 <span class="c"># Authors: Alina Quereilhac <alina.quereilhac@inria.fr></span>
84 <span class="c"># Alexandros Kouvakas <alexandros.kouvakas@inria.fr></span>
85 <span class="c"># Julien Tribino <julien.tribino@inria.fr></span>
87 <span class="kn">from</span> <span class="nn">nepi.execution.attribute</span> <span class="kn">import</span> <span class="n">Attribute</span><span class="p">,</span> <span class="n">Flags</span><span class="p">,</span> <span class="n">Types</span>
88 <span class="kn">from</span> <span class="nn">nepi.execution.resource</span> <span class="kn">import</span> <span class="n">ResourceManager</span><span class="p">,</span> <span class="n">clsinit_copy</span><span class="p">,</span> \
89 <span class="n">ResourceState</span>
90 <span class="kn">from</span> <span class="nn">nepi.resources.planetlab.openvswitch.ovs</span> <span class="kn">import</span> <span class="n">PlanetlabOVSSwitch</span>
91 <span class="kn">from</span> <span class="nn">nepi.resources.planetlab.node</span> <span class="kn">import</span> <span class="n">PlanetlabNode</span>
92 <span class="kn">from</span> <span class="nn">nepi.resources.linux.application</span> <span class="kn">import</span> <span class="n">LinuxApplication</span>
94 <span class="kn">import</span> <span class="nn">os</span>
96 <span class="nd">@clsinit_copy</span>
97 <div class="viewcode-block" id="PlanetlabOVSPort"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.planetlab.openvswitch.html#nepi.resources.planetlab.openvswitch.ovsport.PlanetlabOVSPort">[docs]</a><span class="k">class</span> <span class="nc">PlanetlabOVSPort</span><span class="p">(</span><span class="n">LinuxApplication</span><span class="p">):</span>
98 <span class="sd">"""</span>
99 <span class="sd"> .. class:: Class Args :</span>
100 <span class="sd"> </span>
101 <span class="sd"> :param ec: The Experiment controller</span>
102 <span class="sd"> :type ec: ExperimentController</span>
103 <span class="sd"> :param guid: guid of the RM</span>
104 <span class="sd"> :type guid: int</span>
106 <span class="sd"> """</span>
108 <span class="n">_rtype</span> <span class="o">=</span> <span class="s">"planetlab::OVSPort"</span>
109 <span class="n">_help</span> <span class="o">=</span> <span class="s">"Runs an OpenVSwitch on a PlanetLab host"</span>
110 <span class="n">_platform</span> <span class="o">=</span> <span class="s">"planetlab"</span>
112 <span class="n">_authorized_connections</span> <span class="o">=</span> <span class="p">[</span><span class="s">"planetlab::OVSSwitch"</span><span class="p">,</span> <span class="s">"linux::UdpTunnel"</span><span class="p">,</span> <span class="s">"linux::Tunnel"</span><span class="p">]</span>
114 <span class="nd">@classmethod</span>
115 <span class="k">def</span> <span class="nf">_register_attributes</span><span class="p">(</span><span class="n">cls</span><span class="p">):</span>
116 <span class="sd">""" Register the attributes of OVSPort RM </span>
118 <span class="sd"> """</span>
119 <span class="n">port_name</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">"port_name"</span><span class="p">,</span> <span class="s">"Name of the port"</span><span class="p">,</span>
120 <span class="n">flags</span> <span class="o">=</span> <span class="n">Flags</span><span class="o">.</span><span class="n">Design</span><span class="p">)</span>
121 <span class="n">ip</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">"ip"</span><span class="p">,</span> <span class="s">"IP of the endpoint. This is the attribute "</span>
122 <span class="s">"you should use to establish a tunnel or a remote "</span>
123 <span class="s">"connection between endpoint"</span><span class="p">,</span>
124 <span class="n">flags</span> <span class="o">=</span> <span class="n">Flags</span><span class="o">.</span><span class="n">Design</span><span class="p">)</span>
125 <span class="n">network</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">"network"</span><span class="p">,</span> <span class="s">"Network used by the port"</span><span class="p">,</span>
126 <span class="n">flags</span> <span class="o">=</span> <span class="n">Flags</span><span class="o">.</span><span class="n">Design</span><span class="p">)</span>
128 <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">port_name</span><span class="p">)</span>
129 <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">ip</span><span class="p">)</span>
130 <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">network</span><span class="p">)</span>
132 <span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">ec</span><span class="p">,</span> <span class="n">guid</span><span class="p">):</span>
133 <span class="sd">"""</span>
134 <span class="sd"> :param ec: The Experiment controller</span>
135 <span class="sd"> :type ec: ExperimentController</span>
136 <span class="sd"> :param guid: guid of the RM</span>
137 <span class="sd"> :type guid: int</span>
138 <span class="sd"> </span>
139 <span class="sd"> """</span>
140 <span class="nb">super</span><span class="p">(</span><span class="n">PlanetlabOVSPort</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="n">__init__</span><span class="p">(</span><span class="n">ec</span><span class="p">,</span> <span class="n">guid</span><span class="p">)</span>
141 <span class="bp">self</span><span class="o">.</span><span class="n">_home</span> <span class="o">=</span> <span class="s">"ovsport-</span><span class="si">%s</span><span class="s">"</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">guid</span>
142 <span class="bp">self</span><span class="o">.</span><span class="n">_port_number</span> <span class="o">=</span> <span class="bp">None</span>
144 <span class="nd">@property</span>
145 <div class="viewcode-block" id="PlanetlabOVSPort.node"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.planetlab.openvswitch.html#nepi.resources.planetlab.openvswitch.ovsport.PlanetlabOVSPort.node">[docs]</a> <span class="k">def</span> <span class="nf">node</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
146 <span class="sd">""" Node that run the switch and the ports</span>
147 <span class="sd"> """</span>
148 <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">ovsswitch</span><span class="o">.</span><span class="n">node</span>
150 <span class="nd">@property</span>
151 <div class="viewcode-block" id="PlanetlabOVSPort.ovsswitch"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.planetlab.openvswitch.html#nepi.resources.planetlab.openvswitch.ovsport.PlanetlabOVSPort.ovsswitch">[docs]</a> <span class="k">def</span> <span class="nf">ovsswitch</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
152 <span class="sd">""" Switch where the port is created</span>
153 <span class="sd"> """</span>
154 <span class="n">ovsswitch</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_connected</span><span class="p">(</span><span class="n">PlanetlabOVSSwitch</span><span class="o">.</span><span class="n">get_rtype</span><span class="p">())</span>
155 <span class="k">if</span> <span class="n">ovsswitch</span><span class="p">:</span> <span class="k">return</span> <span class="n">ovsswitch</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
156 <span class="k">return</span> <span class="bp">None</span>
158 <span class="nd">@property</span>
159 <div class="viewcode-block" id="PlanetlabOVSPort.port_number"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.planetlab.openvswitch.html#nepi.resources.planetlab.openvswitch.ovsport.PlanetlabOVSPort.port_number">[docs]</a> <span class="k">def</span> <span class="nf">port_number</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
160 <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_port_number</span>
162 <div class="viewcode-block" id="PlanetlabOVSPort.valid_connection"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.planetlab.openvswitch.html#nepi.resources.planetlab.openvswitch.ovsport.PlanetlabOVSPort.valid_connection">[docs]</a> <span class="k">def</span> <span class="nf">valid_connection</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">guid</span><span class="p">):</span>
163 <span class="sd">""" Check if the connection is available.</span>
165 <span class="sd"> :param guid: Guid of the current RM</span>
166 <span class="sd"> :type guid: int</span>
167 <span class="sd"> :rtype: Boolean</span>
169 <span class="sd"> """</span>
170 <span class="n">rm</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">ec</span><span class="o">.</span><span class="n">get_resource</span><span class="p">(</span><span class="n">guid</span><span class="p">)</span>
171 <span class="k">if</span> <span class="n">rm</span><span class="o">.</span><span class="n">get_rtype</span><span class="p">()</span> <span class="ow">not</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_authorized_connections</span><span class="p">:</span>
172 <span class="k">return</span> <span class="bp">False</span>
174 <span class="k">return</span> <span class="bp">True</span>
176 <div class="viewcode-block" id="PlanetlabOVSPort.create_port"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.planetlab.openvswitch.html#nepi.resources.planetlab.openvswitch.ovsport.PlanetlabOVSPort.create_port">[docs]</a> <span class="k">def</span> <span class="nf">create_port</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
177 <span class="sd">""" Create the desired port</span>
178 <span class="sd"> """</span>
179 <span class="n">msg</span> <span class="o">=</span> <span class="s">"Creating the port </span><span class="si">%s</span><span class="s">"</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">'port_name'</span><span class="p">)</span>
180 <span class="bp">self</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="n">msg</span><span class="p">)</span>
182 <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">'port_name'</span><span class="p">):</span>
183 <span class="n">msg</span> <span class="o">=</span> <span class="s">"The port name is not assigned"</span>
184 <span class="bp">self</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="n">msg</span><span class="p">)</span>
185 <span class="k">raise</span> <span class="ne">AttributeError</span><span class="p">,</span> <span class="n">msg</span>
187 <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">ovsswitch</span><span class="p">:</span>
188 <span class="n">msg</span> <span class="o">=</span> <span class="s">"The OVSwitch RM is not running"</span>
189 <span class="bp">self</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="n">msg</span><span class="p">)</span>
190 <span class="k">raise</span> <span class="ne">AttributeError</span><span class="p">,</span> <span class="n">msg</span>
192 <span class="n">command</span> <span class="o">=</span> <span class="s">"sliver-ovs create-port </span><span class="si">%s</span><span class="s"> </span><span class="si">%s</span><span class="s">"</span> <span class="o">%</span> <span class="p">(</span>
193 <span class="bp">self</span><span class="o">.</span><span class="n">ovsswitch</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">'bridge_name'</span><span class="p">),</span>
194 <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">'port_name'</span><span class="p">))</span>
196 <span class="n">shfile</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">app_home</span><span class="p">,</span> <span class="s">"create_port.sh"</span><span class="p">)</span>
197 <span class="k">try</span><span class="p">:</span>
198 <span class="bp">self</span><span class="o">.</span><span class="n">node</span><span class="o">.</span><span class="n">run_and_wait</span><span class="p">(</span><span class="n">command</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">run_home</span><span class="p">,</span>
199 <span class="n">shfile</span><span class="o">=</span><span class="n">shfile</span><span class="p">,</span>
200 <span class="n">sudo</span> <span class="o">=</span> <span class="bp">True</span><span class="p">,</span>
201 <span class="n">stderr</span><span class="o">=</span><span class="s">"port_stdout"</span><span class="p">,</span>
202 <span class="n">stdout</span><span class="o">=</span><span class="s">"port_stderr"</span><span class="p">,</span>
203 <span class="n">pidfile</span><span class="o">=</span><span class="s">"port_pidfile"</span><span class="p">,</span>
204 <span class="n">ecodefile</span><span class="o">=</span><span class="s">"port_exitcode"</span><span class="p">)</span>
205 <span class="k">except</span> <span class="ne">RuntimeError</span><span class="p">:</span>
206 <span class="n">msg</span> <span class="o">=</span> <span class="s">"Could not create ovs-port"</span>
207 <span class="bp">self</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="n">msg</span><span class="p">)</span>
208 <span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">,</span> <span class="n">msg</span>
210 <span class="bp">self</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s">"Created port </span><span class="si">%s</span><span class="s"> on switch </span><span class="si">%s</span><span class="s">"</span> <span class="o">%</span> <span class="p">(</span>
211 <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">'port_name'</span><span class="p">),</span>
212 <span class="bp">self</span><span class="o">.</span><span class="n">ovsswitch</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">'bridge_name'</span><span class="p">)))</span>
214 <div class="viewcode-block" id="PlanetlabOVSPort.initiate_udp_connection"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.planetlab.openvswitch.html#nepi.resources.planetlab.openvswitch.ovsport.PlanetlabOVSPort.initiate_udp_connection">[docs]</a> <span class="k">def</span> <span class="nf">initiate_udp_connection</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">remote_endpoint</span><span class="p">,</span> <span class="n">connection_app_home</span><span class="p">,</span>
215 <span class="n">connection_run_home</span><span class="p">,</span> <span class="n">cipher</span><span class="p">,</span> <span class="n">cipher_key</span><span class="p">,</span> <span class="n">bwlimit</span><span class="p">,</span> <span class="n">txqueuelen</span><span class="p">):</span>
216 <span class="sd">""" Get the local_endpoint of the port</span>
217 <span class="sd"> """</span>
218 <span class="n">msg</span> <span class="o">=</span> <span class="s">"Discovering the port number for </span><span class="si">%s</span><span class="s">"</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">'port_name'</span><span class="p">)</span>
219 <span class="bp">self</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="n">msg</span><span class="p">)</span>
221 <span class="n">command</span> <span class="o">=</span> <span class="s">"sliver-ovs get-local-endpoint </span><span class="si">%s</span><span class="s">"</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">'port_name'</span><span class="p">)</span>
223 <span class="n">shfile</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">connection_app_home</span><span class="p">,</span> <span class="s">"get_port.sh"</span><span class="p">)</span>
224 <span class="p">(</span><span class="n">out</span><span class="p">,</span> <span class="n">err</span><span class="p">),</span> <span class="n">proc</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">node</span><span class="o">.</span><span class="n">run_and_wait</span><span class="p">(</span><span class="n">command</span><span class="p">,</span> <span class="n">connection_run_home</span><span class="p">,</span>
225 <span class="n">shfile</span><span class="o">=</span><span class="n">shfile</span><span class="p">,</span>
226 <span class="n">sudo</span><span class="o">=</span><span class="bp">True</span><span class="p">,</span>
227 <span class="n">overwrite</span> <span class="o">=</span> <span class="bp">True</span><span class="p">,</span>
228 <span class="n">pidfile</span><span class="o">=</span><span class="s">"get_port_pidfile"</span><span class="p">,</span>
229 <span class="n">ecodefile</span><span class="o">=</span><span class="s">"get_port_exitcode"</span><span class="p">,</span>
230 <span class="n">stdout</span><span class="o">=</span><span class="s">"get_port_stdout"</span><span class="p">,</span>
231 <span class="n">stderr</span><span class="o">=</span><span class="s">"get_port_stderr"</span><span class="p">)</span>
233 <span class="k">if</span> <span class="n">err</span> <span class="o">!=</span> <span class="s">""</span><span class="p">:</span>
234 <span class="n">msg</span> <span class="o">=</span> <span class="s">"Error retrieving the local endpoint of the port"</span>
235 <span class="bp">self</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="n">msg</span><span class="p">)</span>
236 <span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">,</span> <span class="n">msg</span>
238 <span class="k">if</span> <span class="n">out</span><span class="p">:</span>
239 <span class="bp">self</span><span class="o">.</span><span class="n">_port_number</span> <span class="o">=</span> <span class="n">out</span><span class="o">.</span><span class="n">strip</span><span class="p">()</span>
241 <span class="bp">self</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s">"The number of the </span><span class="si">%s</span><span class="s"> is </span><span class="si">%s</span><span class="s">"</span> <span class="o">%</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">'port_name'</span><span class="p">),</span>
242 <span class="bp">self</span><span class="o">.</span><span class="n">port_number</span><span class="p">))</span>
244 <span class="c"># Must set a routing rule in the ovs client nodes so they know</span>
245 <span class="c"># that the LAN can be found through the switch</span>
246 <span class="k">if</span> <span class="n">remote_endpoint</span><span class="o">.</span><span class="n">is_rm_instance</span><span class="p">(</span><span class="s">"planetlab::Tap"</span><span class="p">):</span>
247 <span class="bp">self</span><span class="o">.</span><span class="n">_vroute</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">ec</span><span class="o">.</span><span class="n">register_resource</span><span class="p">(</span><span class="s">"planetlab::Vroute"</span><span class="p">)</span>
248 <span class="bp">self</span><span class="o">.</span><span class="n">ec</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_vroute</span><span class="p">,</span> <span class="s">"action"</span><span class="p">,</span> <span class="s">"add"</span><span class="p">)</span>
249 <span class="bp">self</span><span class="o">.</span><span class="n">ec</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_vroute</span><span class="p">,</span> <span class="s">"prefix"</span><span class="p">,</span> <span class="n">remote_endpoint</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">"prefix"</span><span class="p">))</span>
250 <span class="bp">self</span><span class="o">.</span><span class="n">ec</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_vroute</span><span class="p">,</span> <span class="s">"nexthop"</span><span class="p">,</span> <span class="n">remote_endpoint</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">"pointopoint"</span><span class="p">))</span>
251 <span class="bp">self</span><span class="o">.</span><span class="n">ec</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_vroute</span><span class="p">,</span> <span class="s">"network"</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">"network"</span><span class="p">))</span>
253 <span class="bp">self</span><span class="o">.</span><span class="n">ec</span><span class="o">.</span><span class="n">register_connection</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_vroute</span><span class="p">,</span> <span class="n">remote_endpoint</span><span class="o">.</span><span class="n">guid</span><span class="p">)</span>
254 <span class="bp">self</span><span class="o">.</span><span class="n">ec</span><span class="o">.</span><span class="n">deploy</span><span class="p">(</span><span class="n">guids</span><span class="o">=</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">_vroute</span><span class="p">],</span> <span class="n">group</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">deployment_group</span><span class="p">)</span>
256 <span class="c"># For debugging</span>
257 <span class="n">msg</span> <span class="o">=</span> <span class="s">"Route for the tap configured"</span>
258 <span class="bp">self</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="n">msg</span><span class="p">)</span>
260 <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">port_number</span>
262 <div class="viewcode-block" id="PlanetlabOVSPort.establish_udp_connection"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.planetlab.openvswitch.html#nepi.resources.planetlab.openvswitch.ovsport.PlanetlabOVSPort.establish_udp_connection">[docs]</a> <span class="k">def</span> <span class="nf">establish_udp_connection</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">remote_endpoint</span><span class="p">,</span>
263 <span class="n">connection_app_home</span><span class="p">,</span>
264 <span class="n">connection_run_home</span><span class="p">,</span>
265 <span class="n">port</span><span class="p">):</span>
266 <span class="n">remote_ip</span> <span class="o">=</span> <span class="n">remote_endpoint</span><span class="o">.</span><span class="n">node</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">"ip"</span><span class="p">)</span>
267 <span class="n">command</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_establish_connection_command</span><span class="p">(</span><span class="n">port</span><span class="p">,</span> <span class="n">remote_ip</span><span class="p">)</span>
269 <span class="n">shfile</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">connection_app_home</span><span class="p">,</span> <span class="s">"connect_port.sh"</span><span class="p">)</span>
270 <span class="p">(</span><span class="n">out</span><span class="p">,</span> <span class="n">err</span><span class="p">),</span> <span class="n">proc</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">node</span><span class="o">.</span><span class="n">run_and_wait</span><span class="p">(</span><span class="n">command</span><span class="p">,</span> <span class="n">connection_run_home</span><span class="p">,</span>
271 <span class="n">shfile</span><span class="o">=</span><span class="n">shfile</span><span class="p">,</span>
272 <span class="n">sudo</span><span class="o">=</span><span class="bp">True</span><span class="p">,</span>
273 <span class="n">overwrite</span> <span class="o">=</span> <span class="bp">True</span><span class="p">,</span>
274 <span class="n">pidfile</span><span class="o">=</span><span class="s">"connect_port_pidfile"</span><span class="p">,</span>
275 <span class="n">ecodefile</span><span class="o">=</span><span class="s">"connect_port_exitcode"</span><span class="p">,</span>
276 <span class="n">stdout</span><span class="o">=</span><span class="s">"connect_port_stdout"</span><span class="p">,</span>
277 <span class="n">stderr</span><span class="o">=</span><span class="s">"connect_port_stderr"</span><span class="p">)</span>
279 <span class="c"># For debugging</span>
280 <span class="n">msg</span> <span class="o">=</span> <span class="s">"Connection on port configured"</span>
281 <span class="bp">self</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="n">msg</span><span class="p">)</span>
283 <span class="k">def</span> <span class="nf">_establish_connection_command</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">port</span><span class="p">,</span> <span class="n">remote_ip</span><span class="p">):</span>
284 <span class="sd">""" Script to create the connection from a switch to a </span>
285 <span class="sd"> remote endpoint</span>
286 <span class="sd"> """</span>
287 <span class="n">local_port_name</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">'port_name'</span><span class="p">)</span>
289 <span class="n">command</span> <span class="o">=</span> <span class="p">[</span><span class="s">"sliver-ovs"</span><span class="p">]</span>
290 <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"set-remote-endpoint"</span><span class="p">)</span>
291 <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">local_port_name</span><span class="p">)</span>
292 <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">remote_ip</span><span class="p">)</span>
293 <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">port</span><span class="p">)</span>
294 <span class="n">command</span> <span class="o">=</span> <span class="s">" "</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">command</span><span class="p">)</span>
295 <span class="n">command</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">replace_paths</span><span class="p">(</span><span class="n">command</span><span class="p">)</span>
296 <span class="k">return</span> <span class="n">command</span>
298 <div class="viewcode-block" id="PlanetlabOVSPort.verify_connection"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.planetlab.openvswitch.html#nepi.resources.planetlab.openvswitch.ovsport.PlanetlabOVSPort.verify_connection">[docs]</a> <span class="k">def</span> <span class="nf">verify_connection</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">remote_endpoint</span><span class="p">,</span> <span class="n">connection_app_home</span><span class="p">,</span>
299 <span class="n">connection_run_home</span><span class="p">):</span>
300 <span class="bp">self</span><span class="o">.</span><span class="n">ovsswitch</span><span class="o">.</span><span class="n">ovs_status</span><span class="p">()</span>
302 <div class="viewcode-block" id="PlanetlabOVSPort.terminate_connection"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.planetlab.openvswitch.html#nepi.resources.planetlab.openvswitch.ovsport.PlanetlabOVSPort.terminate_connection">[docs]</a> <span class="k">def</span> <span class="nf">terminate_connection</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">endpoint</span><span class="p">,</span> <span class="n">connection_app_home</span><span class="p">,</span>
303 <span class="n">connection_run_home</span><span class="p">):</span>
304 <span class="k">return</span> <span class="bp">True</span>
306 <div class="viewcode-block" id="PlanetlabOVSPort.check_status"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.planetlab.openvswitch.html#nepi.resources.planetlab.openvswitch.ovsport.PlanetlabOVSPort.check_status">[docs]</a> <span class="k">def</span> <span class="nf">check_status</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
307 <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">node</span><span class="o">.</span><span class="n">status</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_pid</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_ppid</span><span class="p">)</span>
309 <div class="viewcode-block" id="PlanetlabOVSPort.do_provision"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.planetlab.openvswitch.html#nepi.resources.planetlab.openvswitch.ovsport.PlanetlabOVSPort.do_provision">[docs]</a> <span class="k">def</span> <span class="nf">do_provision</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
310 <span class="bp">self</span><span class="o">.</span><span class="n">node</span><span class="o">.</span><span class="n">mkdir</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">run_home</span><span class="p">)</span>
312 <span class="bp">self</span><span class="o">.</span><span class="n">create_port</span><span class="p">()</span>
313 <span class="n">end_ip</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">ovsswitch</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">'virtual_ip_pref'</span><span class="p">)</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s">'/'</span><span class="p">)</span>
314 <span class="bp">self</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s">"ip"</span><span class="p">,</span> <span class="n">end_ip</span><span class="p">[</span><span class="mi">0</span><span class="p">])</span>
316 <span class="c">#Check the status of the OVS Switch</span>
317 <span class="bp">self</span><span class="o">.</span><span class="n">ovsswitch</span><span class="o">.</span><span class="n">ovs_status</span><span class="p">()</span>
319 <span class="bp">self</span><span class="o">.</span><span class="n">set_provisioned</span><span class="p">()</span>
321 <div class="viewcode-block" id="PlanetlabOVSPort.do_deploy"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.planetlab.openvswitch.html#nepi.resources.planetlab.openvswitch.ovsport.PlanetlabOVSPort.do_deploy">[docs]</a> <span class="k">def</span> <span class="nf">do_deploy</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
322 <span class="sd">""" Deploy the OVS port after the OVS Switch</span>
323 <span class="sd"> """</span>
324 <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">ovsswitch</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">ovsswitch</span><span class="o">.</span><span class="n">state</span> <span class="o"><</span> <span class="n">ResourceState</span><span class="o">.</span><span class="n">READY</span><span class="p">:</span>
325 <span class="bp">self</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s">"---- RESCHEDULING DEPLOY ---- OVSwitch state </span><span class="si">%s</span><span class="s"> "</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">ovsswitch</span><span class="o">.</span><span class="n">state</span> <span class="p">)</span>
326 <span class="bp">self</span><span class="o">.</span><span class="n">ec</span><span class="o">.</span><span class="n">schedule</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">reschedule_delay</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">deploy</span><span class="p">)</span>
327 <span class="k">else</span><span class="p">:</span>
328 <span class="bp">self</span><span class="o">.</span><span class="n">do_discover</span><span class="p">()</span>
329 <span class="bp">self</span><span class="o">.</span><span class="n">do_provision</span><span class="p">()</span>
331 <span class="bp">self</span><span class="o">.</span><span class="n">set_ready</span><span class="p">()</span>
333 <div class="viewcode-block" id="PlanetlabOVSPort.do_release"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.planetlab.openvswitch.html#nepi.resources.planetlab.openvswitch.ovsport.PlanetlabOVSPort.do_release">[docs]</a> <span class="k">def</span> <span class="nf">do_release</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
334 <span class="sd">""" Delete the port on the OVSwitch. It needs to wait for the tunnel</span>
335 <span class="sd"> to be released.</span>
336 <span class="sd"> """</span>
337 <span class="kn">from</span> <span class="nn">nepi.resources.linux.udptunnel</span> <span class="kn">import</span> <span class="n">LinuxUdpTunnel</span>
338 <span class="n">rm</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_connected</span><span class="p">(</span><span class="n">LinuxUdpTunnel</span><span class="o">.</span><span class="n">get_rtype</span><span class="p">())</span>
340 <span class="k">if</span> <span class="n">rm</span> <span class="ow">and</span> <span class="n">rm</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">state</span> <span class="o"><</span> <span class="n">ResourceState</span><span class="o">.</span><span class="n">STOPPED</span><span class="p">:</span>
341 <span class="bp">self</span><span class="o">.</span><span class="n">ec</span><span class="o">.</span><span class="n">schedule</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">reschedule_delay</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">release</span><span class="p">)</span>
342 <span class="k">return</span>
344 <span class="n">msg</span> <span class="o">=</span> <span class="s">"Deleting the port </span><span class="si">%s</span><span class="s">"</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">'port_name'</span><span class="p">)</span>
345 <span class="bp">self</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="n">msg</span><span class="p">)</span>
347 <span class="n">command</span> <span class="o">=</span> <span class="s">"sliver-ovs del_port </span><span class="si">%s</span><span class="s">"</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">'port_name'</span><span class="p">)</span>
349 <span class="n">shfile</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">app_home</span><span class="p">,</span> <span class="s">"stop.sh"</span><span class="p">)</span>
350 <span class="bp">self</span><span class="o">.</span><span class="n">node</span><span class="o">.</span><span class="n">run_and_wait</span><span class="p">(</span><span class="n">command</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">run_home</span><span class="p">,</span>
351 <span class="n">shfile</span><span class="o">=</span><span class="n">shfile</span><span class="p">,</span>
352 <span class="n">sudo</span><span class="o">=</span><span class="bp">True</span><span class="p">,</span>
353 <span class="n">pidfile</span><span class="o">=</span><span class="s">"stop_pidfile"</span><span class="p">,</span>
354 <span class="n">ecodefile</span><span class="o">=</span><span class="s">"stop_exitcode"</span><span class="p">,</span>
355 <span class="n">stdout</span><span class="o">=</span><span class="s">"stop_stdout"</span><span class="p">,</span>
356 <span class="n">stderr</span><span class="o">=</span><span class="s">"stop_stderr"</span><span class="p">)</span>
358 <span class="nb">super</span><span class="p">(</span><span class="n">PlanetlabOVSPort</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="n">do_release</span><span class="p">()</span>
359 </pre></div></div></div>
364 <div class="clearer"></div>
366 <div class="related">
369 <li class="right" style="margin-right: 10px">
370 <a href="../../../../../genindex.html" title="General Index"
373 <a href="../../../../../py-modindex.html" title="Python Module Index"
375 <li><a href="../../../../../index.html">NEPI 3.2 documentation</a> »</li>
376 <li><a href="../../../../index.html" >Module code</a> »</li>
380 © Copyright 2014, Alina Quereilhac, Lucia Guevgeozian Odizzio, Julien Tribino.
381 Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.2.3.