3 # NEPI, a framework to manage network experiments
4 # Copyright (C) 2013 INRIA
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;
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.
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/>.
18 # Author: Lucia Guevgeozian <lucia.guevgeozian_odizzio@inria.fr>
20 # Example of how to run this experiment (replace with your information):
23 # python examples/planetlab/ping_with_filters.py -s <pl-slice> -u <pl-user> -p <pl-password> -k <pl-ssh-key>
25 from nepi.execution.ec import ExperimentController
26 from nepi.execution.resource import ResourceAction, ResourceState
28 from optparse import OptionParser
32 def create_node(ec, pl_slice, pl_ssh_key, pl_user, pl_password,
33 hostname = None, country = None, operatingSystem = None,
34 minBandwidth = None, minCpu = None):
36 node = ec.register_resource("planetlab::Node")
38 ec.set(node, "username", pl_slice)
39 ec.set(node, "identity", pl_ssh_key)
40 ec.set(node, "pluser", pl_user)
41 ec.set(node, "plpassword", pl_password)
44 ec.set(node, "hostname", hostname)
46 ec.set(node, "country", country)
48 ec.set(node, "operatingSystem", operatingSystem)
50 ec.set(node, "minBandwidth", minBandwidth)
52 ec.set(node, "minCpu", minCpu)
54 ec.set(node, "cleanExperiment", True)
55 ec.set(node, "cleanProcesses", True)
59 def add_app(ec, command, node, newname = None, sudo = None,
60 video = None, depends = None, forward_x11 = None, env = None):
61 app = ec.register_resource("linux::Application")
64 ec.set(app, "sudo", sudo)
66 ec.set(app, "sources", video)
67 if depends is not None:
68 ec.set(app, "depends", depends)
69 if forward_x11 is not None:
70 ec.set(app, "forwardX11", forward_x11)
72 ec.set(app, "env", env)
74 ec.set(app, "command", command)
76 ec.register_connection(app, node)
78 # add collector to download application standar output
79 collector = ec.register_resource("Collector")
80 ec.set(collector, "traceName", "stdout")
82 ec.set(collector, "rename", newname)
83 ec.register_connection(app, collector)
87 usage = ("usage: %prog -s <pl-slice> -u <pl-user> -p <pl-password> "
88 "-k <pl-ssh-key> -c <country> -o <operating-system> -H <hostname> ")
90 parser = OptionParser(usage = usage)
91 parser.add_option("-s", "--pl-slice", dest="pl_slice",
92 help="PlanetLab slicename", type="str")
93 parser.add_option("-u", "--pl-user", dest="pl_user",
94 help="PlanetLab web username", type="str")
95 parser.add_option("-p", "--pl-password", dest="pl_password",
96 help="PlanetLab web password", type="str")
97 parser.add_option("-k", "--pl-ssh-key", dest="pl_ssh_key",
98 help="Path to private SSH key associated with the PL account",
100 parser.add_option("-c", "--country", dest="country",
101 help="Country for the PL hosts",
103 parser.add_option("-o", "--os", dest="os",
104 help="Operating system for the PL hosts", default="f14",
106 parser.add_option("-H", "--hostname", dest="hostname",
107 help="PlanetLab hostname",
110 (options, args) = parser.parse_args()
112 pl_slice = options.pl_slice
113 pl_ssh_key = options.pl_ssh_key
114 pl_user = options.pl_user
115 pl_password = options.pl_password
116 hostname = options.hostname
117 country = options.country
120 # Create the entity Experiment Controller:
121 ec = ExperimentController("pl_ping_filters")
123 # Register the nodes resources:
125 # Choose the PlanetLab nodes for the experiment, in this example 5 nodes are
126 # used, and they are picked according to different criterias.
128 # First node will be the one defined by its hostname.
129 node1 = create_node(ec, pl_slice, pl_ssh_key, pl_user, pl_password,
132 # Second node will be any node in the selected country.
133 node2 = create_node(ec, pl_slice, pl_ssh_key, pl_user, pl_password,
136 # Third node will be a node in the selected country and with the selected
138 node3 = create_node(ec, pl_slice, pl_ssh_key, pl_user, pl_password,
140 operatingSystem = os)
142 # Forth node will have at least 50% of CPU available
144 node4 = create_node(ec, pl_slice, pl_ssh_key, pl_user, pl_password,
147 # Fifth node can be any node, constrains are not important.
148 node5 = create_node(ec, pl_slice, pl_ssh_key, pl_user, pl_password)
150 # Register the applications to run in the nodes, in this case just ping to the
153 for node in [node2, node3, node4, node5]:
154 command = "ping -c5 %s" % hostname
155 trace_name = "%s.ping" % hostname
156 app = add_app(ec, command, node, newname = trace_name)
159 # Register conditions
161 # The nodes that are completely identified by their hostnames have to be provisioned
162 # before the rest of the nodes. This assures that no other resource will use the
163 # identified node even if the constraints matchs.
164 # In this example node2, node3, node4 and node5, are deployed after node1 is
165 # provisioned. node1 must be the node hostname, meanwhile node2, node3,
166 # node4 and node5 just need to fulfill certain constraints.
167 # Applications are always deployed after nodes, so no need to register conditions
168 # for the apps in this example.
170 ec.register_condition(node2, ResourceAction.DEPLOY, node1, ResourceState.PROVISIONED)
171 ec.register_condition(node3, ResourceAction.DEPLOY, node1, ResourceState.PROVISIONED)
172 ec.register_condition(node4, ResourceAction.DEPLOY, node1, ResourceState.PROVISIONED)
173 ec.register_condition(node5, ResourceAction.DEPLOY, node1, ResourceState.PROVISIONED)
175 # Deploy the experiment:
178 # Wait until the applications are finish to retrive the traces:
179 ec.wait_finished(apps)
181 print "Results stored at", ec.exp_dir
183 # Do the experiment controller shutdown: