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 as published by
8 # the Free Software Foundation, either version 3 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
19 # Authors : Julien Tribino <julien.tribino@inria.fr>
20 # Alina Quereilhac <alina.quereilhac@inria.fr>
24 # Switch1 ------ Switch2 ------- Switch2
33 # $ 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
38 from nepi.execution.ec import ExperimentController
41 from optparse import OptionParser
45 def add_node(ec, host, user, pl_user, pl_password, identity):
46 node = ec.register_resource("planetlab::Node")
47 ec.set(node, "hostname", host)
48 ec.set(node, "username", user)
49 ec.set(node, "identity", identity)
52 ec.set(node, "pluser", pl_user)
54 ec.set(node, "plpassword", pl_password)
56 ec.set(node, "identity", identity)
58 ec.set(node, "cleanExperiment", True)
59 ec.set(node, "cleanProcesses", True)
63 def add_ovs(ec, bridge_name, virtual_ip_pref, controller_ip, controller_port, node):
64 ovs = ec.register_resource("planetlab::OVSSwitch")
65 ec.set(ovs, "bridge_name", bridge_name)
66 ec.set(ovs, "virtual_ip_pref", virtual_ip_pref)
67 ec.set(ovs, "controller_ip", controller_ip)
68 ec.set(ovs, "controller_port", controller_port)
69 ec.register_connection(ovs, node)
72 def add_port(ec, port_name, network, ovs):
73 port = ec.register_resource("planetlab::OVSPort")
74 ec.set(port, "port_name", port_name)
75 ec.set(port, "network", network)
76 ec.register_connection(port, ovs)
79 def add_tap(ec, ip, prefix, pointopoint, node):
80 tap = ec.register_resource("planetlab::Tap")
82 ec.set(tap, "prefix", prefix)
83 ec.set(tap, "pointopoint", pointopoint)
84 ec.set(tap, "up", True)
85 ec.register_connection(tap, node)
88 def add_tunnel(ec, port0, tap):
89 tunnel = ec.register_resource("linux::UdpTunnel")
90 ec.register_connection(port0, tunnel)
91 ec.register_connection(tunnel, tap)
94 def add_app(ec, command, node):
95 app = ec.register_resource("linux::Application")
96 ec.set(app, "command", command)
97 ec.register_connection(app, node)
102 pl_slice = os.environ.get("PL_SLICE")
103 pl_user = os.environ.get("PL_USER")
104 pl_pass = os.environ.get("PL_PASS")
105 identity = os.environ.get("PL_SSHKEY")
107 usage = ("usage: %prog -a <host1> -b <host2> -c <host3> "
108 "-d <switch1> -e <switch2> -f <switch3> "
109 "-n <vsys_vnet> -C <controller> -s <slicename> -u <pl-user> "
110 "-p <pl-password> -i <ssh-key> ")
112 switch1 = "planetlab2.virtues.fi"
113 switch2 = "planetlab2.upc.es"
114 switch3 = "inriarennes1.irisa.fr"
115 host1 = "planetlab2.ionio.gr"
116 host2 = "iraplab2.iralab.uni-karlsruhe.de"
117 host3 = "planetlab2.diku.dk"
119 parser = OptionParser(usage = usage)
120 parser.add_option("-a", "--host1", dest="host1",
121 help="Hostname for PlanetLab host 1", default=host1)
122 parser.add_option("-b", "--host2", dest="host2",
123 help="Hostname for PlanetLab host 2", default=host2)
124 parser.add_option("-c", "--host3", dest="host3",
125 help="Hostname for PlanetLab host 3", default=host3)
126 parser.add_option("-d", "--switch1", dest="switch1",
127 help="Hostname for PlanetLab switch 1", default=switch1)
128 parser.add_option("-e", "--switch2", dest="switch2",
129 help="Hostname for PlanetLab switch 2", default=switch2)
130 parser.add_option("-f", "--switch3", dest="switch3",
131 help="Hostname for PlanetLab switch 3", default=switch3)
132 parser.add_option("-n", "--vsys_vnet", dest="vsys_vnet",
133 help="Overlay network address of the form x.x.x.x/yy. "
134 "Must correspond to the vsys_vnet tag on the PlanetLab slice")
135 parser.add_option("-C", "--controller", dest="controller",
136 help="IP address for the OpenFlow controller, if one has been deployed",
138 parser.add_option("-s", "--slicename", dest="slicename",
139 help="Name of PlanetLab slice",
141 parser.add_option("-u", "--pl_user", dest="pl_user",
142 help="PlanetLab user (email address)",
144 parser.add_option("-p", "--pl_pass", dest="pl_pass",
145 help="PlanetLab password",
147 parser.add_option("-i", "--identity", dest="identity",
148 help="Path to SSH key",
151 (options, args) = parser.parse_args()
153 return (options.host1, options.host2, options.host3, options.switch1,
154 options.switch2, options.switch3, options.vsys_vnet,
155 options.controller, options.slicename, options.pl_user,
156 options.pl_pass, identity)
158 (host1, host2, host3, switch1, switch2, switch3, vsys_vnet, controller,
159 slicename, pl_user, pl_pass, identity) = parse_args()
162 ec = ExperimentController(exp_id = "ovs_3_switch")
164 net = vsys_vnet.split("/")
167 net_segs = network.split(".")
168 ip1 = "%s.1" % ".".join(net_segs[:-1]) # x.x.x.1
169 ip2 = "%s.2" % ".".join(net_segs[:-1]) # x.x.x.2
170 ip3 = "%s.3" % ".".join(net_segs[:-1]) # x.x.x.3
171 ip4 = "%s.4" % ".".join(net_segs[:-1]) # x.x.x.4
172 ip5 = "%s.5" % ".".join(net_segs[:-1]) # x.x.x.5
173 ip6 = "%s.6" % ".".join(net_segs[:-1]) # x.x.x.6
178 s1_node = add_node(ec, switch1, slicename, pl_user, pl_pass, identity)
179 s2_node = add_node(ec, switch2, slicename, pl_user, pl_pass, identity)
180 s3_node = add_node(ec, switch3, slicename, pl_user, pl_pass, identity)
183 addr1 = "%s/%s" % (ip1, prefix) # x.x.x.1/prefix
184 addr2 = "%s/%s" % (ip2, prefix) # x.x.x.2/prefix
185 addr3 = "%s/%s" % (ip3, prefix) # x.x.x.3/prefix
186 ovs1 = add_ovs(ec, "nepi_bridge_1", addr1, controller, "6633", s1_node)
187 ovs2 = add_ovs(ec, "nepi_bridge_2", addr2, controller, "6633", s2_node)
188 ovs3 = add_ovs(ec, "nepi_bridge_3", addr3, controller, "6633", s3_node)
191 port1 = add_port(ec, "nepi_port1", network, ovs1)
192 port4 = add_port(ec, "nepi_port4", network, ovs1)
193 port7 = add_port(ec, "nepi_port7", network, ovs1)
194 port2 = add_port(ec, "nepi_port2", network, ovs2)
195 port5 = add_port(ec, "nepi_port5", network, ovs2)
196 port3 = add_port(ec, "nepi_port3", network, ovs3)
197 port6 = add_port(ec, "nepi_port6", network, ovs3)
200 h1_node = add_node(ec, host1, slicename, pl_user, pl_pass, identity)
201 h2_node = add_node(ec, host2, slicename, pl_user, pl_pass, identity)
202 h3_node = add_node(ec, host3, slicename, pl_user, pl_pass, identity)
206 tap1 = add_tap(ec, ip3, prefix, ip1, h1_node)
207 tap2 = add_tap(ec, ip4, prefix, ip2, h2_node)
208 tap3 = add_tap(ec, ip5, prefix, ip6, h3_node)
212 tunnel1 = add_tunnel(ec, port1, tap1)
213 tunnel2 = add_tunnel(ec, port2, tap2)
214 tunnel3 = add_tunnel(ec, port3, tap3)
215 tunnel4 = add_tunnel(ec, port4, port5)
216 tunnel5 = add_tunnel(ec, port7, port6)
220 s1_node: ("Switch 1", ip1),
221 s2_node: ("Switch 2", ip2),
222 s3_node: ("Switch 3", ip3),
223 h1_node: ("Host 1", ip4),
224 h2_node: ("Host 2", ip5),
225 h3_node: ("Host 3", ip6),
228 # Ping from all resources to all other resources
229 for r1, (n1, ip1) in r2ip.iteritems():
230 for r2, (n2, ip2) in r2ip.iteritems():
234 app = add_app(ec, "ping -c5 %s" % ip2, r1)
235 key = "Ping from %s to %s" % (n1, n2)
240 ec.wait_finished(apps.values())
243 for key, app in apps.iteritems():
244 stdout = ec.trace(app, "stdout")
245 print "***************************", key, "************************"
249 # Delete the overlay network