# / | \
# / | \
# / | \
-# Host1 Host3 Host2
+# Host1 Host3 Host2
+#
+#
+# Execution example:
+#
+# $ 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
+#
+
from nepi.execution.ec import ExperimentController
-import os, time
-def add_node(ec, host, user, pl_user, pl_password):
+import os
+from optparse import OptionParser
+import sys
+import time
+
+def add_node(ec, host, user, pl_user, pl_password, identity):
node = ec.register_resource("planetlab::Node")
ec.set(node, "hostname", host)
ec.set(node, "username", user)
+ ec.set(node, "identity", identity)
+
if pl_user:
ec.set(node, "pluser", pl_user)
if pl_password:
ec.set(node, "plpassword", pl_password)
+ if identity:
+ ec.set(node, "identity", identity)
+
ec.set(node, "cleanExperiment", True)
ec.set(node, "cleanProcesses", True)
app = ec.register_resource("linux::Application")
ec.set(app, "command", command)
ec.register_connection(app, node)
- return app
-
-# Create the EC
-ec = ExperimentController(exp_id = "test-tr")
-
-#XXX : Need to put 6 working nodes or to let Nepi find for you
-switch1 = "planetlab2.virtues.fi"
-switch2 = "planetlab2.upc.es"
-switch3 = "planetlab1.informatik.uni-erlangen.de"
-host1 = "planetlab2.ionio.gr"
-host2 = "iraplab2.iralab.uni-karlsruhe.de"
-host3 = "planetlab2.diku.dk"
-
-ip_controller = "xxx.yyy.zzz.ttt"
-
-#XXX : Depends on the Vsys_tag of your slice
-network = "192.168.3.0"
-
-#XXX : Name of your slice
-slicename = "inria_nepi"
-pl_user = os.environ.get("PL_USER")
-pl_password = os.environ.get("PL_PASS")
+ return app
-s1_node = add_node(ec, switch1, slicename, pl_user, pl_password)
-s2_node = add_node(ec, switch2, slicename, pl_user, pl_password)
-s3_node = add_node(ec, switch3, slicename, pl_user, pl_password)
+def parse_args():
+ pl_slice = os.environ.get("PL_SLICE")
+ pl_user = os.environ.get("PL_USER")
+ pl_pass = os.environ.get("PL_PASS")
+ identity = os.environ.get("PL_SSHKEY")
+
+ usage = ("usage: %prog -a <host1> -b <host2> -c <host3> "
+ "-d <switch1> -e <switch2> -f <switch3> "
+ "-n <vsys_vnet> -C <controller> -s <slicename> -u <pl-user> "
+ "-p <pl-password> -i <ssh-key> ")
+
+ switch1 = "planetlab2.virtues.fi"
+ switch2 = "planetlab2.upc.es"
+ switch3 = "inriarennes1.irisa.fr"
+ host1 = "planetlab2.ionio.gr"
+ host2 = "iraplab2.iralab.uni-karlsruhe.de"
+ host3 = "planetlab2.diku.dk"
+
+ parser = OptionParser(usage = usage)
+ parser.add_option("-a", "--host1", dest="host1",
+ help="Hostname for PlanetLab host 1", default=host1)
+ parser.add_option("-b", "--host2", dest="host2",
+ help="Hostname for PlanetLab host 2", default=host2)
+ parser.add_option("-c", "--host3", dest="host3",
+ help="Hostname for PlanetLab host 3", default=host3)
+ parser.add_option("-d", "--switch1", dest="switch1",
+ help="Hostname for PlanetLab switch 1", default=switch1)
+ parser.add_option("-e", "--switch2", dest="switch2",
+ help="Hostname for PlanetLab switch 2", default=switch2)
+ parser.add_option("-f", "--switch3", dest="switch3",
+ help="Hostname for PlanetLab switch 3", default=switch3)
+ parser.add_option("-n", "--vsys_vnet", dest="vsys_vnet",
+ help="Overlay network address of the form x.x.x.x/yy. "
+ "Must correspond to the vsys_vnet tag on the PlanetLab slice")
+ parser.add_option("-C", "--controller", dest="controller",
+ help="IP address for the OpenFlow controller, if one has been deployed",
+ default="1.1.1.1")
+ parser.add_option("-s", "--slicename", dest="slicename",
+ help="Name of PlanetLab slice",
+ default=pl_slice)
+ parser.add_option("-u", "--pl_user", dest="pl_user",
+ help="PlanetLab user (email address)",
+ default=pl_user)
+ parser.add_option("-p", "--pl_pass", dest="pl_pass",
+ help="PlanetLab password",
+ default=pl_pass)
+ parser.add_option("-i", "--identity", dest="identity",
+ help="Path to SSH key",
+ default=identity)
+
+ (options, args) = parser.parse_args()
+
+ return (options.host1, options.host2, options.host3, options.switch1,
+ options.switch2, options.switch3, options.vsys_vnet,
+ options.controller, options.slicename, options.pl_user,
+ options.pl_pass, identity)
+
+(host1, host2, host3, switch1, switch2, switch3, vsys_vnet, controller,
+ slicename, pl_user, pl_pass, identity) = parse_args()
-# Add switches
-ovs1 = add_ovs(ec, "nepi_bridge_1", "192.168.3.2/24", ip_controller, "6633", s1_node)
-ovs2 = add_ovs(ec, "nepi_bridge_2", "192.168.3.4/24", ip_controller, "6633", s2_node)
-ovs3 = add_ovs(ec, "nepi_bridge_3", "192.168.3.6/24", ip_controller, "6633", s3_node)
+# Create the EC
+ec = ExperimentController(exp_id = "ovs_3_switch")
+
+net = vsys_vnet.split("/")
+prefix = net[-1]
+network = net[0]
+net_segs = network.split(".")
+ip1 = "%s.1" % ".".join(net_segs[:-1]) # x.x.x.1
+ip2 = "%s.2" % ".".join(net_segs[:-1]) # x.x.x.2
+ip3 = "%s.3" % ".".join(net_segs[:-1]) # x.x.x.3
+ip4 = "%s.4" % ".".join(net_segs[:-1]) # x.x.x.4
+ip5 = "%s.5" % ".".join(net_segs[:-1]) # x.x.x.5
+ip6 = "%s.6" % ".".join(net_segs[:-1]) # x.x.x.6
+
+### Define topology
+
+# Add switches
+s1_node = add_node(ec, switch1, slicename, pl_user, pl_pass, identity)
+s2_node = add_node(ec, switch2, slicename, pl_user, pl_pass, identity)
+s3_node = add_node(ec, switch3, slicename, pl_user, pl_pass, identity)
+
+# Add OVS switches
+addr1 = "%s/%s" % (ip1, prefix) # x.x.x.1/prefix
+addr2 = "%s/%s" % (ip2, prefix) # x.x.x.2/prefix
+addr3 = "%s/%s" % (ip3, prefix) # x.x.x.3/prefix
+ovs1 = add_ovs(ec, "nepi_bridge_1", addr1, controller, "6633", s1_node)
+ovs2 = add_ovs(ec, "nepi_bridge_2", addr2, controller, "6633", s2_node)
+ovs3 = add_ovs(ec, "nepi_bridge_3", addr3, controller, "6633", s3_node)
# Add ports on ovs
port1 = add_port(ec, "nepi_port1", network, ovs1)
port3 = add_port(ec, "nepi_port3", network, ovs3)
port6 = add_port(ec, "nepi_port6", network, ovs3)
-h1_node = add_node(ec, host1, slicename, pl_user, pl_password)
-h2_node = add_node(ec, host2, slicename, pl_user, pl_password)
-h3_node = add_node(ec, host3, slicename, pl_user, pl_password)
+# Add hosts
+h1_node = add_node(ec, host1, slicename, pl_user, pl_pass, identity)
+h2_node = add_node(ec, host2, slicename, pl_user, pl_pass, identity)
+h3_node = add_node(ec, host3, slicename, pl_user, pl_pass, identity)
+### Add overlay
# Add tap devices
-tap1 = add_tap(ec, "192.168.3.1", "24", "192.168.3.2", h1_node)
-tap2 = add_tap(ec, "192.168.3.3", "24", "192.168.3.4", h2_node)
-tap3 = add_tap(ec, "192.168.3.5", "24", "192.168.3.6", h3_node)
+tap1 = add_tap(ec, ip3, prefix, ip1, h1_node)
+tap2 = add_tap(ec, ip4, prefix, ip2, h2_node)
+tap3 = add_tap(ec, ip5, prefix, ip6, h3_node)
+### Add Pings
# Connect the nodes
tunnel1 = add_tunnel(ec, port1, tap1)
tunnel2 = add_tunnel(ec, port2, tap2)
tunnel3 = add_tunnel(ec, port3, tap3)
tunnel4 = add_tunnel(ec, port4, port5)
tunnel5 = add_tunnel(ec, port7, port6)
-#tunnel6 = add_tunnel(ec, network, port8, port9)
-
-# Add ping commands
-app1 = add_app(ec, "ping -c5 192.168.3.4", s1_node)
-app2 = add_app(ec, "ping -c5 192.168.3.6", s1_node)
-app3 = add_app(ec, "ping -c5 192.168.3.2", s2_node)
-app4 = add_app(ec, "ping -c5 192.168.3.6", s2_node)
-app5 = add_app(ec, "ping -c5 192.168.3.2", s3_node)
-app6 = add_app(ec, "ping -c5 192.168.3.4", s3_node)
-
-app7 = add_app(ec, "ping -c5 192.168.3.3", h1_node)
-app8 = add_app(ec, "ping -c5 192.168.3.5", h1_node)
-app9 = add_app(ec, "ping -c5 192.168.3.1", h2_node)
-app10 = add_app(ec, "ping -c5 192.168.3.5", h2_node)
-app11 = add_app(ec, "ping -c5 192.168.3.1", h3_node)
-app12 = add_app(ec, "ping -c5 192.168.3.3", h3_node)
+
+apps = dict()
+r2ip = dict({
+ s1_node: ("Switch 1", ip1),
+ s2_node: ("Switch 2", ip2),
+ s3_node: ("Switch 3", ip3),
+ h1_node: ("Host 1", ip4),
+ h2_node: ("Host 2", ip5),
+ h3_node: ("Host 3", ip6),
+ })
+
+# Ping from all resources to all other resources
+for r1, (n1, ip1) in r2ip.iteritems():
+ for r2, (n2, ip2) in r2ip.iteritems():
+ if r1 == r2:
+ continue
+
+ app = add_app(ec, "ping -c5 %s" % ip2, r1)
+ key = "Ping from %s to %s" % (n1, n2)
+ apps[key] = app
ec.deploy()
-ec.wait_finished([app1, app2, app3, app4, app5, app6, app7, app8, app9, app10, app11, app12])
-
-# Retreive ping results and save
-# them in a file
-ping1 = ec.trace(app1, 'stdout')
-ping2 = ec.trace(app2, 'stdout')
-ping3 = ec.trace(app3, 'stdout')
-ping4 = ec.trace(app4, 'stdout')
-ping5 = ec.trace(app5, 'stdout')
-ping6 = ec.trace(app6, 'stdout')
-ping7 = ec.trace(app7, 'stdout')
-ping8 = ec.trace(app8, 'stdout')
-ping9 = ec.trace(app9, 'stdout')
-ping10 = ec.trace(app10, 'stdout')
-ping11 = ec.trace(app11, 'stdout')
-ping12 = ec.trace(app12, 'stdout')
-
-
-f = open("examples/openvswitch/ovs_ping_3switches_line.txt", 'w')
-
-if not ping12:
- ec.shutdown()
-
-f.write("************ Ping From Switch 1 : 192.168.3.2 ********************\n\n")
-f.write(ping1)
-f.write("--------------------------------------\n")
-f.write(ping2)
-f.write("************ Ping From Switch 2 : 192.168.3.4 ********************\n\n")
-f.write(ping3)
-f.write("--------------------------------------\n")
-f.write(ping4)
-f.write("************ Ping From Switch 3 : 192.168.3.6 ********************\n\n")
-f.write(ping5)
-f.write("--------------------------------------\n")
-f.write(ping6)
-f.write("************ Ping From Host 1 : 192.168.3.1 ********************\n\n")
-f.write(ping7)
-f.write("--------------------------------------\n")
-f.write(ping8)
-f.write("************ Ping From Host 2 : 192.168.3.3 ********************\n\n")
-f.write(ping9)
-f.write("--------------------------------------\n")
-f.write(ping10)
-f.write("************ Ping From Host 3 : 192.168.3.5 ********************\n\n")
-f.write(ping11)
-f.write("--------------------------------------\n")
-f.write(ping12)
-f.close()
+ec.wait_finished(apps.values())
+
+# collect results
+for key, app in apps.iteritems():
+ stdout = ec.trace(app, "stdout")
+ print "***************************", key, "************************"
+ print stdout
+ print "\n"
# Delete the overlay network
ec.shutdown()
git://git.onelab.eu / nepi.git / blobdiff