examples/openvswitch/ovs_ping_2switches.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 # Author: Alina Quereilhac <alina.quereilhac@inria.fr>
  20 #         Alexandros Kouvakas <alexandros.kouvakas@gmail.com>
  21 #
  22 #         Switch1 ------- Switch2
  23 #            /                \
  24 #           /                  \
  25 #          /                    \
  26 #       Host1                  Host2
  27
  28
  29
  30 from nepi.execution.ec import ExperimentController
  31 import os, time
  32 import sys
  33
  34 def add_node(ec, host, user, pl_user, pl_password):
  35     node = ec.register_resource("PlanetlabNode")
  36     ec.set(node, "hostname", host)
  37     ec.set(node, "username", user)
  38     if pl_user:
  39         ec.set(node, "pluser", pl_user)
  40     if pl_password:
  41         ec.set(node, "plpassword", pl_password)
  42     ec.set(node, "cleanHome", True)
  43     ec.set(node, "cleanProcesses", True)
  44
  45     return node
  46
  47 def add_ovs(ec, bridge_name, virtual_ip_pref, controller_ip, controller_port, node):
  48     ovs = ec.register_resource("OVSWitch")
  49     ec.set(ovs, "bridge_name", bridge_name)
  50     ec.set(ovs, "virtual_ip_pref", virtual_ip_pref)
  51     ec.set(ovs, "controller_ip", controller_ip)
  52     ec.set(ovs, "controller_port", controller_port)
  53     ec.register_connection(ovs, node)
  54     return ovs
  55
  56 def add_port(ec, port_name, ovs):
  57     port = ec.register_resource("OVSPort")
  58     ec.set(port, "port_name", port_name)
  59     ec.register_connection(port, ovs)
  60     return port
  61
  62 def add_tap(ec, ip4, prefix4, pointopoint, node):
  63     tap = ec.register_resource("PlanetlabTap")
  64     ec.set(tap, "ip4", ip4)
  65     ec.set(tap, "prefix4", prefix4)
  66     ec.set(tap, "pointopoint", pointopoint)
  67     ec.set(tap, "up", True)
  68     ec.register_connection(tap, node)
  69     return tap
  70
  71 def add_tunnel(ec, network, port0, tap):
  72     tunnel = ec.register_resource("OVSTunnel")
  73     ec.set(tunnel, "network", network)
  74     ec.register_connection(port0, tunnel)
  75     ec.register_connection(tunnel, tap)
  76     return tunnel
  77
  78 def add_app(ec, command, node):
  79     app = ec.register_resource("LinuxApplication")
  80     ec.set(app, "command", command)
  81     ec.register_connection(app, node)
  82     return app
  83
  84 # Create the EC
  85 ec = ExperimentController(exp_id = "test")
  86
  87 switch1 = "planetlab2.virtues.fi"
  88 switch2 = "planetlab2.upc.es"
  89 host1 = "planetlab2.ionio.gr"
  90 host2 = "iraplab2.iralab.uni-karlsruhe.de"
  91
  92 ip_controller = "194.254.215.12"
  93 network = "192.168.3.0"
  94
  95 slicename = "inria_nepi"
  96
  97 pl_user = os.environ.get("PL_USER")
  98 pl_password = os.environ.get("PL_PASS")
  99
 100 s1_node = add_node(ec, switch1, slicename, pl_user, pl_password)
 101 s2_node = add_node(ec, switch2, slicename, pl_user, pl_password)
 102
 103 # Add switches
 104 ovs1 = add_ovs(ec, "nepi_bridge_1", "192.168.3.1/24", ip_controller, "6633", s1_node)
 105 ovs2 = add_ovs(ec, "nepi_bridge_2", "192.168.3.2/24", ip_controller, "6633", s2_node)
 106
 107 # Add ports on ovs
 108 port1 = add_port(ec, "nepi_port1", ovs1)
 109 port3 = add_port(ec, "nepi_port3", ovs1)
 110 port2 = add_port(ec, "nepi_port2", ovs2)
 111 port4 = add_port(ec, "nepi_port4", ovs2)
 112
 113 h1_node = add_node(ec, host1, slicename, pl_user, pl_password)
 114 h2_node = add_node(ec, host2, slicename, pl_user, pl_password)
 115
 116 # Add tap devices
 117 tap1 = add_tap(ec, "192.168.3.3", 24, "192.168.3.1", h1_node)
 118 tap2 = add_tap(ec, "192.168.3.4", 24, "192.168.3.2", h2_node)
 119
 120 # Connect the nodes
 121 tunnel1 = add_tunnel(ec, network, port1, tap1)
 122 tunnel2 = add_tunnel(ec, network, port2, tap2)
 123 tunnel3 = add_tunnel(ec, network, port3, port4)
 124
 125 # Add ping commands
 126 app1 = add_app(ec, "ping -c5 192.168.3.2", s1_node)
 127 app2 = add_app(ec, "ping -c5 192.168.3.3", s1_node)
 128 app3 = add_app(ec, "ping -c5 192.168.3.4", s1_node)
 129 app4 = add_app(ec, "ping -c5 192.168.3.1", s2_node)
 130 app5 = add_app(ec, "ping -c5 192.168.3.3", s2_node)
 131 app6 = add_app(ec, "ping -c5 192.168.3.4", s2_node)
 132 app7 = add_app(ec, "ping -c5 192.168.3.1", h1_node)
 133 app8 = add_app(ec, "ping -c5 192.168.3.2", h1_node)
 134 app9 = add_app(ec, "ping -c5 192.168.3.4", h1_node)
 135 app10 = add_app(ec, "ping -c5 192.168.3.1", h2_node)
 136 app11 = add_app(ec, "ping -c5 192.168.3.2", h2_node)
 137 app12 = add_app(ec, "ping -c5 192.168.3.3", h2_node)
 138
 139 ec.deploy()
 140
 141 ec.wait_finished([app1, app2, app3, app4, app5, app6, app7, app8, app9, app10, app11, app12])
 142
 143 # Retreive ping results and save
 144 # them in a file
 145 ping1 = ec.trace(app1, 'stdout')
 146 ping2 = ec.trace(app2, 'stdout')
 147 ping3 = ec.trace(app3, 'stdout')
 148 ping4 = ec.trace(app4, 'stdout')
 149 ping5 = ec.trace(app5, 'stdout')
 150 ping6 = ec.trace(app6, 'stdout')
 151 ping7 = ec.trace(app7, 'stdout')
 152 ping8 = ec.trace(app8, 'stdout')
 153 ping9 = ec.trace(app9, 'stdout')
 154 ping10 = ec.trace(app10, 'stdout')
 155 ping11 = ec.trace(app11, 'stdout')
 156 ping12 = ec.trace(app12, 'stdout')
 157
 158 if not ping12:
 159   ec.shutdown()
 160   sys.exit("No ping found")
 161
 162 f = open("examples/openvswitch/ovs_ping_2switches.txt", 'w')
 163 f.write("************ Ping From Switch 1 : 192.168.3.1 ********************\n\n")
 164 f.write(ping1)
 165 f.write("----------------------------------------\n\n")
 166 f.write(ping2)
 167 f.write("----------------------------------------\n\n")
 168 f.write(ping3)
 169 f.write("************ Ping From Switch 2 : 192.168.3.2 ********************\n\n")
 170 f.write(ping4)
 171 f.write("----------------------------------------\n\n")
 172 f.write(ping5)
 173 f.write("----------------------------------------\n\n")
 174 f.write(ping6)
 175 f.write("************ Ping From Host 1 : 192.168.3.3 ********************\n\n")
 176 f.write(ping7)
 177 f.write("----------------------------------------\n\n")
 178 f.write(ping8)
 179 f.write("----------------------------------------\n\n")
 180 f.write(ping9)
 181 f.write("************ Ping From Host 2 : 192.168.3.4 ********************\n\n")
 182 f.write(ping10)
 183 f.write("----------------------------------------\n\n")
 184 f.write(ping11)
 185 f.write("----------------------------------------\n\n")
 186 f.write(ping12)
 187
 188 f.close()
 189
 190 # Delete the overlay network
 191 ec.shutdown()
 192
 193
 194
 195
 196