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