examples/openvswitch/ovs_ping_3switches_loop.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 as published by
   8 #    the Free Software Foundation, either version 3 of the License, or
   9 #    (at your option) any later version.
  10 #
  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.
  15 #
  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/>.
  18 #
  19 # Authors :  Julien Tribino <julien.tribino@inria.fr>
  20 #          Alina Quereilhac <alina.quereilhac@inria.fr>
  21 #
  22 # Topology :
  23 #
  24 #                  Host3
  25 #                    |
  26 #                    |
  27 #                    |
  28 #                 Switch3
  29 #                 /    \
  30 #                /      \
  31 #               /        \
  32 #              /          \
  33 #         Switch1 ----- Switch2
  34 #            /              \
  35 #           /                \
  36 #          /                  \
  37 #       Host1                Host2
  38
  39
  40
  41 from nepi.execution.ec import ExperimentController
  42 import os, time
  43
  44 def add_node(ec, host, user, pl_user, pl_password):
  45     node = ec.register_resource("PlanetlabNode")
  46     ec.set(node, "hostname", host)
  47     ec.set(node, "username", user)
  48     if pl_user:
  49         ec.set(node, "pluser", pl_user)
  50     if pl_password:
  51         ec.set(node, "plpassword", pl_password)
  52     ec.set(node, "cleanHome", True)
  53     ec.set(node, "cleanProcesses", True)
  54
  55     return node
  56
  57 def add_ovs(ec, bridge_name, virtual_ip_pref, controller_ip, controller_port, node):
  58     ovs = ec.register_resource("OVSSwitch")
  59     ec.set(ovs, "bridge_name", bridge_name)
  60     ec.set(ovs, "virtual_ip_pref", virtual_ip_pref)
  61     ec.set(ovs, "controller_ip", controller_ip)
  62     ec.set(ovs, "controller_port", controller_port)
  63     ec.register_connection(ovs, node)
  64     return ovs
  65
  66 def add_port(ec, port_name, ovs):
  67     port = ec.register_resource("OVSPort")
  68     ec.set(port, "port_name", port_name)
  69     ec.register_connection(port, ovs)
  70     return port
  71
  72 def add_tap(ec, ip4, prefix4, pointopoint, node):
  73     tap = ec.register_resource("PlanetlabTap")
  74     ec.set(tap, "ip4", ip4)
  75     ec.set(tap, "prefix4", prefix4)
  76     ec.set(tap, "pointopoint", pointopoint)
  77     ec.set(tap, "up", True)
  78     ec.register_connection(tap, node)
  79     return tap
  80
  81 def add_tunnel(ec, network, port0, tap):
  82     tunnel = ec.register_resource("OVSTunnel")
  83     ec.set(tunnel, "network", network)
  84     ec.register_connection(port0, tunnel)
  85     ec.register_connection(tunnel, tap)
  86     return tunnel
  87
  88 def add_app(ec, command, node):
  89     app = ec.register_resource("LinuxApplication")
  90     ec.set(app, "command", command)
  91     ec.register_connection(app, node)
  92     return app
  93
  94 # Create the EC
  95 ec = ExperimentController(exp_id = "test-tr")
  96
  97 switch1 = "planetlab2.virtues.fi"
  98 switch2 = "planetlab2.upc.es"
  99 switch3 = "planetlab2.cs.aueb.gr"
 100 host1 = "planetlab2.ionio.gr"
 101 host2 = "iraplab2.iralab.uni-karlsruhe.de"
 102 host3 = "planetlab2.diku.dk"
 103
 104 ip_controller = "194.254.215.12"
 105 network = "192.168.3.0"
 106
 107 slicename = "inria_nepi"
 108
 109 pl_user = os.environ.get("PL_USER")
 110 pl_password = os.environ.get("PL_PASS")
 111
 112 s1_node = add_node(ec, switch1, slicename, pl_user, pl_password)
 113 s2_node = add_node(ec, switch2, slicename, pl_user, pl_password)
 114 s3_node = add_node(ec, switch3, slicename, pl_user, pl_password)
 115
 116 # Add switches
 117 ovs1 = add_ovs(ec, "nepi_bridge_1", "192.168.3.2/24", ip_controller, "6633", s1_node)
 118 ovs2 = add_ovs(ec, "nepi_bridge_2", "192.168.3.4/24", ip_controller, "6633", s2_node)
 119 ovs3 = add_ovs(ec, "nepi_bridge_3", "192.168.3.6/24", ip_controller, "6633", s3_node)
 120
 121 # Add ports on ovs
 122 port1 = add_port(ec, "nepi_port1", ovs1)
 123 port4 = add_port(ec, "nepi_port4", ovs1)
 124 port7 = add_port(ec, "nepi_port7", ovs1)
 125 port2 = add_port(ec, "nepi_port2", ovs2)
 126 port5 = add_port(ec, "nepi_port5", ovs2)
 127 port8 = add_port(ec, "nepi_port8", ovs2)
 128 port3 = add_port(ec, "nepi_port3", ovs3)
 129 port6 = add_port(ec, "nepi_port6", ovs3)
 130 port9 = add_port(ec, "nepi_port9", ovs3)
 131
 132 h1_node = add_node(ec, host1, slicename, pl_user, pl_password)
 133 h2_node = add_node(ec, host2, slicename, pl_user, pl_password)
 134 h3_node = add_node(ec, host3, slicename, pl_user, pl_password)
 135
 136 # Add tap devices
 137 tap1 = add_tap(ec, "192.168.3.1", 24, "192.168.3.2", h1_node)
 138 tap2 = add_tap(ec, "192.168.3.3", 24, "192.168.3.4", h2_node)
 139 tap3 = add_tap(ec, "192.168.3.5", 24, "192.168.3.6", h3_node)
 140
 141 # Connect the nodes
 142 tunnel1 = add_tunnel(ec, network, port1, tap1)
 143 tunnel2 = add_tunnel(ec, network, port2, tap2)
 144 tunnel3 = add_tunnel(ec, network, port3, tap3)
 145 tunnel4 = add_tunnel(ec, network, port4, port5)
 146 tunnel5 = add_tunnel(ec, network, port7, port6)
 147 tunnel6 = add_tunnel(ec, network, port8, port9)
 148
 149 # Add ping commands
 150 app1 = add_app(ec, "ping -c5 192.168.3.4", s1_node)
 151 app2 = add_app(ec, "ping -c5 192.168.3.6", s1_node)
 152 app3 = add_app(ec, "ping -c5 192.168.3.2", s2_node)
 153 app4 = add_app(ec, "ping -c5 192.168.3.6", s2_node)
 154 app5 = add_app(ec, "ping -c5 192.168.3.2", s3_node)
 155 app6 = add_app(ec, "ping -c5 192.168.3.4", s3_node)
 156
 157 app7 = add_app(ec, "ping -c5 192.168.3.3", h1_node)
 158 app8 = add_app(ec, "ping -c5 192.168.3.5", h1_node)
 159 app9 = add_app(ec, "ping -c5 192.168.3.1", h2_node)
 160 app10 = add_app(ec, "ping -c5 192.168.3.5", h2_node)
 161 app11 = add_app(ec, "ping -c5 192.168.3.1", h3_node)
 162 app12 = add_app(ec, "ping -c5 192.168.3.3", h3_node)
 163
 164 ec.deploy()
 165
 166 ec.wait_finished([app1, app2, app3, app4, app5, app6, app7, app8, app9, app10, app11, app12])
 167
 168 # Retreive ping results and save
 169 # them in a file
 170 ping1 = ec.trace(app1, 'stdout')
 171 ping2 = ec.trace(app2, 'stdout')
 172 ping3 = ec.trace(app3, 'stdout')
 173 ping4 = ec.trace(app4, 'stdout')
 174 ping5 = ec.trace(app5, 'stdout')
 175 ping6 = ec.trace(app6, 'stdout')
 176 ping7 = ec.trace(app7, 'stdout')
 177 ping8 = ec.trace(app8, 'stdout')
 178 ping9 = ec.trace(app9, 'stdout')
 179 ping10 = ec.trace(app10, 'stdout')
 180 ping11 = ec.trace(app11, 'stdout')
 181 ping12 = ec.trace(app12, 'stdout')
 182
 183
 184 f = open("examples/openvswitch/ovs_ping_3switches_loop.txt", 'w')
 185
 186 if not ping12:
 187   ec.shutdown()
 188
 189 f.write("************ Ping From Switch 1 : 192.168.3.2 ********************\n\n")
 190 f.write(ping1)
 191 f.write("--------------------------------------\n")
 192 f.write(ping2)
 193 f.write("************ Ping From Switch 2 : 192.168.3.4 ********************\n\n")
 194 f.write(ping3)
 195 f.write("--------------------------------------\n")
 196 f.write(ping4)
 197 f.write("************ Ping From Switch 3 : 192.168.3.6 ********************\n\n")
 198 f.write(ping5)
 199 f.write("--------------------------------------\n")
 200 f.write(ping6)
 201 f.write("************ Ping From Host 1 : 192.168.3.1 ********************\n\n")
 202 f.write(ping7)
 203 f.write("--------------------------------------\n")
 204 f.write(ping8)
 205 f.write("************ Ping From Host 2 : 192.168.3.3 ********************\n\n")
 206 f.write(ping9)
 207 f.write("--------------------------------------\n")
 208 f.write(ping10)
 209 f.write("************ Ping From Host 3 : 192.168.3.5 ********************\n\n")
 210 f.write(ping11)
 211 f.write("--------------------------------------\n")
 212 f.write(ping12)
 213 f.close()
 214
 215 # Delete the overlay network
 216 ec.shutdown()
 217
 218
 219
 220
 221