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