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 # Authors : Julien Tribino <julien.tribino@inria.fr>
19 # Alina Quereilhac <alina.quereilhac@inria.fr>
23 # Switch1 ------ Switch2 ------- Switch2
32 # $ PYTHONPATH=$PYTHONPATH:src/ python examples/openvswitch/ovs_ping_3_switches.py -n "192.168.3.0/24" -C "1.1.1.1" -s <slicename> -i /~/.ssh/id_rsa
35 from __future__ import print_function
37 from nepi.execution.ec import ExperimentController
40 from optparse import OptionParser
44 def add_node(ec, host, user, pl_user, pl_password, identity):
45 node = ec.register_resource("planetlab::Node")
46 ec.set(node, "hostname", host)
47 ec.set(node, "username", user)
48 ec.set(node, "identity", identity)
51 ec.set(node, "pluser", pl_user)
53 ec.set(node, "plpassword", pl_password)
55 ec.set(node, "identity", identity)
57 ec.set(node, "cleanExperiment", True)
58 ec.set(node, "cleanProcesses", True)
62 def add_ovs(ec, bridge_name, virtual_ip_pref, controller_ip, controller_port, node):
63 ovs = ec.register_resource("planetlab::OVSSwitch")
64 ec.set(ovs, "bridge_name", bridge_name)
65 ec.set(ovs, "virtual_ip_pref", virtual_ip_pref)
66 ec.set(ovs, "controller_ip", controller_ip)
67 ec.set(ovs, "controller_port", controller_port)
68 ec.register_connection(ovs, node)
71 def add_port(ec, port_name, network, ovs):
72 port = ec.register_resource("planetlab::OVSPort")
73 ec.set(port, "port_name", port_name)
74 ec.set(port, "network", network)
75 ec.register_connection(port, ovs)
78 def add_tap(ec, ip, prefix, pointopoint, node):
79 tap = ec.register_resource("planetlab::Tap")
81 ec.set(tap, "prefix", prefix)
82 ec.set(tap, "pointopoint", pointopoint)
83 ec.set(tap, "up", True)
84 ec.register_connection(tap, node)
87 def add_tunnel(ec, port0, tap):
88 tunnel = ec.register_resource("linux::UdpTunnel")
89 ec.register_connection(port0, tunnel)
90 ec.register_connection(tunnel, tap)
93 def add_app(ec, command, node):
94 app = ec.register_resource("linux::Application")
95 ec.set(app, "command", command)
96 ec.register_connection(app, node)
101 pl_slice = os.environ.get("PL_SLICE")
102 pl_user = os.environ.get("PL_USER")
103 pl_pass = os.environ.get("PL_PASS")
104 identity = os.environ.get("PL_SSHKEY")
106 usage = ("usage: %prog -a <host1> -b <host2> -c <host3> "
107 "-d <switch1> -e <switch2> -f <switch3> "
108 "-n <vsys_vnet> -C <controller> -s <slicename> -u <pl-user> "
109 "-p <pl-password> -i <ssh-key> ")
111 switch1 = "planetlab2.virtues.fi"
112 switch2 = "planetlab2.upc.es"
113 switch3 = "inriarennes1.irisa.fr"
114 host1 = "planetlab2.ionio.gr"
115 host2 = "iraplab2.iralab.uni-karlsruhe.de"
116 host3 = "planetlab2.diku.dk"
118 parser = OptionParser(usage = usage)
119 parser.add_option("-a", "--host1", dest="host1",
120 help="Hostname for PlanetLab host 1", default=host1)
121 parser.add_option("-b", "--host2", dest="host2",
122 help="Hostname for PlanetLab host 2", default=host2)
123 parser.add_option("-c", "--host3", dest="host3",
124 help="Hostname for PlanetLab host 3", default=host3)
125 parser.add_option("-d", "--switch1", dest="switch1",
126 help="Hostname for PlanetLab switch 1", default=switch1)
127 parser.add_option("-e", "--switch2", dest="switch2",
128 help="Hostname for PlanetLab switch 2", default=switch2)
129 parser.add_option("-f", "--switch3", dest="switch3",
130 help="Hostname for PlanetLab switch 3", default=switch3)
131 parser.add_option("-n", "--vsys_vnet", dest="vsys_vnet",
132 help="Overlay network address of the form x.x.x.x/yy. "
133 "Must correspond to the vsys_vnet tag on the PlanetLab slice")
134 parser.add_option("-C", "--controller", dest="controller",
135 help="IP address for the OpenFlow controller, if one has been deployed",
137 parser.add_option("-s", "--slicename", dest="slicename",
138 help="Name of PlanetLab slice",
140 parser.add_option("-u", "--pl_user", dest="pl_user",
141 help="PlanetLab user (email address)",
143 parser.add_option("-p", "--pl_pass", dest="pl_pass",
144 help="PlanetLab password",
146 parser.add_option("-i", "--identity", dest="identity",
147 help="Path to SSH key",
150 (options, args) = parser.parse_args()
152 return (options.host1, options.host2, options.host3, options.switch1,
153 options.switch2, options.switch3, options.vsys_vnet,
154 options.controller, options.slicename, options.pl_user,
155 options.pl_pass, identity)
157 (host1, host2, host3, switch1, switch2, switch3, vsys_vnet, controller,
158 slicename, pl_user, pl_pass, identity) = parse_args()
161 ec = ExperimentController(exp_id = "ovs_3_switch")
163 net = vsys_vnet.split("/")
166 net_segs = network.split(".")
167 ip1 = "%s.1" % ".".join(net_segs[:-1]) # x.x.x.1
168 ip2 = "%s.2" % ".".join(net_segs[:-1]) # x.x.x.2
169 ip3 = "%s.3" % ".".join(net_segs[:-1]) # x.x.x.3
170 ip4 = "%s.4" % ".".join(net_segs[:-1]) # x.x.x.4
171 ip5 = "%s.5" % ".".join(net_segs[:-1]) # x.x.x.5
172 ip6 = "%s.6" % ".".join(net_segs[:-1]) # x.x.x.6
177 s1_node = add_node(ec, switch1, slicename, pl_user, pl_pass, identity)
178 s2_node = add_node(ec, switch2, slicename, pl_user, pl_pass, identity)
179 s3_node = add_node(ec, switch3, slicename, pl_user, pl_pass, identity)
182 addr1 = "%s/%s" % (ip1, prefix) # x.x.x.1/prefix
183 addr2 = "%s/%s" % (ip2, prefix) # x.x.x.2/prefix
184 addr3 = "%s/%s" % (ip3, prefix) # x.x.x.3/prefix
185 ovs1 = add_ovs(ec, "nepi_bridge_1", addr1, controller, "6633", s1_node)
186 ovs2 = add_ovs(ec, "nepi_bridge_2", addr2, controller, "6633", s2_node)
187 ovs3 = add_ovs(ec, "nepi_bridge_3", addr3, controller, "6633", s3_node)
190 port1 = add_port(ec, "nepi_port1", network, ovs1)
191 port4 = add_port(ec, "nepi_port4", network, ovs1)
192 port7 = add_port(ec, "nepi_port7", network, ovs1)
193 port2 = add_port(ec, "nepi_port2", network, ovs2)
194 port5 = add_port(ec, "nepi_port5", network, ovs2)
195 port3 = add_port(ec, "nepi_port3", network, ovs3)
196 port6 = add_port(ec, "nepi_port6", network, ovs3)
199 h1_node = add_node(ec, host1, slicename, pl_user, pl_pass, identity)
200 h2_node = add_node(ec, host2, slicename, pl_user, pl_pass, identity)
201 h3_node = add_node(ec, host3, slicename, pl_user, pl_pass, identity)
205 tap1 = add_tap(ec, ip3, prefix, ip1, h1_node)
206 tap2 = add_tap(ec, ip4, prefix, ip2, h2_node)
207 tap3 = add_tap(ec, ip5, prefix, ip6, h3_node)
211 tunnel1 = add_tunnel(ec, port1, tap1)
212 tunnel2 = add_tunnel(ec, port2, tap2)
213 tunnel3 = add_tunnel(ec, port3, tap3)
214 tunnel4 = add_tunnel(ec, port4, port5)
215 tunnel5 = add_tunnel(ec, port7, port6)
219 s1_node: ("Switch 1", ip1),
220 s2_node: ("Switch 2", ip2),
221 s3_node: ("Switch 3", ip3),
222 h1_node: ("Host 1", ip4),
223 h2_node: ("Host 2", ip5),
224 h3_node: ("Host 3", ip6),
227 # Ping from all resources to all other resources
228 for r1, (n1, ip1) in r2ip.items():
229 for r2, (n2, ip2) in r2ip.items():
233 app = add_app(ec, "ping -c5 %s" % ip2, r1)
234 key = "Ping from %s to %s" % (n1, n2)
239 ec.wait_finished(apps.values())
242 for key, app in apps.items():
243 stdout = ec.trace(app, "stdout")
244 print("***************************", key, "************************")
248 # Delete the overlay network