ec = ExperimentController(exp_id = "ping-exp")
node = ec.register_resource("LinuxNode")
-ec.set(node, "hostname", host)
-ec.set(node, "username", username)
+ec.set(node, "hostname", "planetlab2.cs.aueb.gr")
+ec.set(node, "username", "inria_pres")
ec.set(node, "cleanHome", True)
ec.set(node, "cleanProcesses", True)
ec.register_connection(tap, node)
return tap
-def add_tunnel(ec, port0, tap):
+def add_tunnel(ec, network, port0, tap):
tunnel = ec.register_resource("OVSTunnel")
+ ec.set(tunnel, "network", network)
ec.register_connection(port0, tunnel)
ec.register_connection(tunnel, tap)
return tunnel
host1 = "planetlab2.ionio.gr"
host2 = "iraplab2.iralab.uni-karlsruhe.de"
+network = "192.168.3.0"
+
slicename = "inria_nepi"
pl_user = os.environ.get("PL_USER")
tap2 = add_tap(ec, "192.168.3.4", 24, "192.168.3.2", h2_node)
# Connect the nodes
-tunnel1 = add_tunnel(ec, port1, tap1)
-tunnel2 = add_tunnel(ec, port2, tap2)
-tunnel3 = add_tunnel(ec, port3, port4)
+tunnel1 = add_tunnel(ec, network, port1, tap1)
+tunnel2 = add_tunnel(ec, network, port2, tap2)
+tunnel3 = add_tunnel(ec, network, port3, port4)
# Add ping commands
-app1 = add_app(ec, "ping -c3 192.168.3.3", s1_node)
-app2 = add_app(ec, "ping -c3 192.168.3.4", s2_node)
+app1 = add_app(ec, "ping -c5 192.168.3.2", s1_node)
+app2 = add_app(ec, "ping -c5 192.168.3.3", s1_node)
+app3 = add_app(ec, "ping -c5 192.168.3.4", s1_node)
+app4 = add_app(ec, "ping -c5 192.168.3.1", s2_node)
+app5 = add_app(ec, "ping -c5 192.168.3.3", s2_node)
+app6 = add_app(ec, "ping -c5 192.168.3.4", s2_node)
+app7 = add_app(ec, "ping -c5 192.168.3.1", h1_node)
+app8 = add_app(ec, "ping -c5 192.168.3.2", h1_node)
+app9 = add_app(ec, "ping -c5 192.168.3.4", h1_node)
+app10 = add_app(ec, "ping -c5 192.168.3.1", h2_node)
+app11 = add_app(ec, "ping -c5 192.168.3.2", h2_node)
+app12 = add_app(ec, "ping -c5 192.168.3.3", h2_node)
ec.deploy()
-ec.wait_finished([app2])
+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')
-f = open("examples/openvswitch/ping_res.txt", 'w').close()
-f = open("examples/openvswitch/ping_res.txt", 'a')
+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/ping_res.txt", 'w')
+
+if not ping12:
+ ec.shutdown()
+
f.write(ping1)
f.write(ping2)
+f.write(ping3)
+f.write(ping4)
+f.write(ping5)
+f.write(ping6)
+f.write(ping7)
+f.write(ping8)
+f.write(ping9)
+f.write(ping10)
+f.write(ping11)
+f.write(ping12)
f.close()
# Delete the overlay network
# Author: Alina Quereilhac <alina.quereilhac@inria.fr>
# Alexandros Kouvakas <alexandros.kouvakas@gmail.com>
+
from nepi.execution.attribute import Attribute, Flags, Types
-from nepi.execution.resource import ResourceManager, clsinit_copy, \
+from nepi.execution.resource import ResourceManager, ResourceFactory, clsinit_copy, \
ResourceState
from nepi.resources.linux.application import LinuxApplication
from nepi.resources.planetlab.node import PlanetlabNode
from nepi.resources.planetlab.openvswitch.ovs import OVSWitch
-from nepi.util.timefuncs import tnow, tdiffsec
+from nepi.util.timefuncs import tnow, tdiffsec
+from nepi.resources.planetlab.vroute import PlanetlabVroute
+from nepi.resources.planetlab.tap import PlanetlabTap
import os
import time
""" Register the attributes of Connection RM
"""
+ network = Attribute("network", "IPv4 Network Address",
+ flags = Flags.ExecReadOnly)
+
cipher = Attribute("cipher",
"Cipher to encript communication. "
"One of PLAIN, AES, Blowfish, DES, DES3. ",
type = Types.Integer,
flags = Flags.ExecReadOnly)
+ cls._register_attribute(network)
cls._register_attribute(cipher)
cls._register_attribute(cipher_key)
cls._register_attribute(txqueuelen)
self._nodes = []
self._pid = None
self._ppid = None
+ self._vroute = None
def log_message(self, msg):
return self._nodes[0]
def app_home(self, node):
- return os.path.join(node.exp_home, self._home)
+ return os.path.join(self.node.exp_home, self._home)
def run_home(self, node):
return os.path.join(self.app_home(node), self.ec.run_id)
connected.append(rm)
return connected
+
def mixed_endpoints(self):
# Switch-Host connection
connected = [1, 2]
@property
def endpoint1(self):
- if self.check_endpoints():
+ if self.check_endpoints:
port_endpoints = self.port_endpoints()
if port_endpoints: return port_endpoints[0]
else:
@property
def endpoint2(self):
- if self.check_endpoints():
+ if self.check_endpoints:
port_endpoints = self.port_endpoints()
if port_endpoints: return port_endpoints[1]
else:
mixed_endpoints = self.mixed_endpoints()
if mixed_endpoints: return mixed_endpoints[1]
-
+
+ @property
def check_endpoints(self):
""" Check if the links are between switches
or switch-host. Return False for latter.
:type port_info_tunl: list
"""
self.port_info_tunl = []
- if self.check_endpoints():
+ if self.check_endpoints:
# Use for the link switch-->switch
self.port_info_tunl.append(endpoint.port_info)
host0, ip0, pname0, virt_ip0, pnumber0 = self.port_info_tunl[0]
msg = "Connection on port %s configured" % local_port_name
self.info(msg)
+ def wait_local_port(self):
+ """ Waits until the if_name file for the command is generated,
+ and returns the if_name for the device """
+ local_port = None
+ delay = 1.0
+
+ for i in xrange(10):
+ (out, err), proc = self.node.check_output(self.run_home(self.node), 'local_port')
+
+ if out:
+ local_port = int(out)
+ break
+ else:
+ time.sleep(delay)
+ delay = delay * 1.5
+ else:
+ msg = "Couldn't retrieve local_port"
+ self.error(msg, out, err)
+ raise RuntimeError, msg
+
+ return local_port
+
def sw_host_connect(self, endpoint, rem_endpoint):
"""Link switch--> host
"""
# Retrieve remote port number from rem_endpoint
local_port_name = endpoint.get('port_name')
self._nodes = self.get_node(rem_endpoint)
- time.sleep(2) # Without this, sometimes I get nothing in remote_port_num
- remote_port_num = ''
- (out, err), proc = self.node.check_output(self.run_home(self.node), 'local_port')
- remote_port_num = int(out)
+
+ # time.sleep(4) # Without this, sometimes I get nothing in remote_port_num
+ out = err= ''
+ remote_port_num = self.wait_local_port()
remote_ip = socket.gethostbyname(self.node.get("hostname"))
switch_connect_command = endpoint.switch_connect_command(
local_port_name, remote_ip, remote_port_num)
self._nodes = self.get_node(self.endpoint2)
self.node.mkdir(self.run_home(self.node))
- if self.check_endpoints():
+ if self.check_endpoints:
#Invoke connect script between switches
self.switch_connect(self.endpoint1, self.endpoint2)
self.switch_connect(self.endpoint2, self.endpoint1)
super(OVSTunnel, self).do_provision()
+ @property
+ def tap(self):
+ rclass = ResourceFactory.get_resource_type(PlanetlabTap.get_rtype())
+ for guid in self.connections:
+ rm = self.ec.get_resource(guid)
+ if isinstance(rm, rclass):
+ return rm
+
+ @property
+ def ovswitch(self):
+ for guid in self.connections:
+ rm_port = self.ec.get_resource(guid)
+ if hasattr(rm_port, "create_port"):
+ rm_list = rm_port.get_connected(OVSWitch.get_rtype())
+ if rm_list:
+ return rm_list[0]
+
+ def configure(self):
+ if not self.check_endpoints:
+ self._vroute = self.ec.register_resource("PlanetlabVroute")
+ self.ec.set(self._vroute, "action", "add")
+ self.ec.set(self._vroute, "network", self.get("network"))
+
+ self.ec.register_connection(self._vroute, self.tap.guid)
+ # schedule deploy
+ self.ec.deploy(guids=[self._vroute], group = self.deployment_group)
+
+
def do_deploy(self):
if (not self.endpoint1 or self.endpoint1.state < ResourceState.READY) or \
(not self.endpoint2 or self.endpoint2.state < ResourceState.READY):
self.do_discover()
self.do_provision()
+ self.configure()
super(OVSTunnel, self).do_deploy()
""" Release the udp_tunnel on endpoint2.
On endpoint1 means nothing special.
"""
- if not self.check_endpoints():
+ if not self.check_endpoints:
# Kill the TAP devices
# TODO: Make more generic Release method of PLTAP
if self._pid and self._ppid:
--- /dev/null
+#
+# NEPI, a framework to manage network experiments
+# Copyright (C) 2013 INRIA
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+# Author: Alina Quereilhac <alina.quereilhac@inria.fr>
+
+import vsys
+from optparse import OptionParser, SUPPRESS_HELP
+
+def get_options():
+ usage = ("usage: %prog -a <action> -n <ip4-network> -p <ip4-prefix> "
+ "-g <gateway> -f <if-name-file>")
+
+ parser = OptionParser(usage = usage)
+
+ parser.add_option("-a", "--action", dest="action",
+ help = "Either add or del ", type="str")
+
+ parser.add_option("-n", "--ip4-network-address", dest="ip4_network",
+ help = "IPv4 address of the network ", type="str")
+
+ parser.add_option("-p", "--ip4-prefix", dest="ip4_prefix",
+ help = "IPv4 network prefix for the interface. It must be the one "
+ "given by the slice's vsys_vnet tag. ",
+ type="int")
+
+ parser.add_option("-g", "--ip4-gateway", dest="ip4_gateway",
+ help="IPv4 address of the gateway")
+
+ parser.add_option("-f", "--if-name", dest="if_name",
+ help = "Interface name assigned by the OS", type="str")
+
+ (options, args) = parser.parse_args()
+
+ return (options.action, options.ip4_network, options.ip4_prefix,
+ options.ip4_gateway, options.if_name)
+
+if __name__ == '__main__':
+
+ (action, ip4_network, ip4_prefix, ip4_gateway, if_name) = get_options()
+ vsys.vroute(action, ip4_network, ip4_prefix, ip4_gateway, if_name)
+
+
if_name = None
delay = 1.0
- for i in xrange(4):
+ for i in xrange(10):
(out, err), proc = self.node.check_output(self.run_home, "if_name")
if out:
--- /dev/null
+#
+# NEPI, a framework to manage network experiments
+# Copyright (C) 2013 INRIA
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+# Author: Alina Quereilhac <alina.quereilhac@inria.fr>
+
+from nepi.execution.attribute import Attribute, Flags, Types
+from nepi.execution.resource import clsinit_copy, ResourceState, \
+ reschedule_delay
+from nepi.resources.linux.application import LinuxApplication
+from nepi.resources.planetlab.node import PlanetlabNode
+from nepi.resources.planetlab.tap import PlanetlabTap
+from nepi.util.timefuncs import tnow, tdiffsec
+
+import os
+import time
+
+PYTHON_VSYS_VERSION = "1.0"
+
+@clsinit_copy
+class PlanetlabVroute(LinuxApplication):
+ _rtype = "PlanetlabVroute"
+ _help = "Creates a Vroute on a PlanetLab host"
+ _backend = "planetlab"
+
+ @classmethod
+ def _register_attributes(cls):
+ action = Attribute("action", "Either add or del",
+ allowed = ["add", "del"],
+ flags = Flags.ExecReadOnly)
+
+ network = Attribute("network", "IPv4 Network Address",
+ flags = Flags.ExecReadOnly)
+
+ cls._register_attribute(action)
+ cls._register_attribute(network)
+
+ def __init__(self, ec, guid):
+ super(PlanetlabVroute, self).__init__(ec, guid)
+ self._home = "vroute-%s" % self.guid
+
+ @property
+ def tap(self):
+ tap = self.get_connected(PlanetlabTap.get_rtype())
+ if tap: return tap[0]
+ return None
+
+ @property
+ def node(self):
+ node = self.tap.get_connected(PlanetlabNode.get_rtype())
+ if node: return node[0]
+ return None
+
+ def upload_sources(self):
+ # upload vif-creation python script
+ pl_vroute = os.path.join(os.path.dirname(__file__), "scripts",
+ "pl-vroute.py")
+
+ self.node.upload(pl_vroute,
+ os.path.join(self.node.src_dir, "pl-vroute.py"),
+ overwrite = False)
+
+ # upload stop.sh script
+ stop_command = self.replace_paths(self._stop_command)
+ self.node.upload(stop_command,
+ os.path.join(self.app_home, "stop.sh"),
+ text = True,
+ # Overwrite file every time.
+ # The stop.sh has the path to the socket, wich should change
+ # on every experiment run.
+ overwrite = True)
+
+ def upload_start_command(self):
+ # Overwrite file every time.
+ # The stop.sh has the path to the socket, wich should change
+ # on every experiment run.
+ super(PlanetlabVroute, self).upload_start_command(overwrite = True)
+
+ (out, err), proc = self.execute_command(self.get("command"), blocking = True)
+
+ def do_deploy(self):
+ if not self.tap or self.tap.state < ResourceState.PROVISIONED:
+ self.ec.schedule(reschedule_delay, self.deploy)
+ else:
+ if not self.get("command"):
+ self.set("command", self._start_command)
+
+ self.do_discover()
+ self.do_provision()
+
+ self.debug("----- READY ---- ")
+ self.set_ready()
+
+ def do_start(self):
+ if self.state == ResourceState.READY:
+ command = self.get("command")
+ self.info("Starting command '%s'" % command)
+
+ # Vroute started during deployment
+ self.set_started()
+ else:
+ msg = " Failed to execute command '%s'" % command
+ self.error(msg, out, err)
+ raise RuntimeError, msg
+
+ def do_stop(self):
+
+ command = self.get('command') or ''
+
+ if self.state == ResourceState.STARTED:
+ self.info("Stopping command '%s'" % self._stop_command)
+
+ command = "bash %s" % os.path.join(self.app_home, "stop.sh")
+ (out, err), proc = self.execute_command(command,
+ blocking = True)
+
+ self.set_stopped()
+
+ def do_release(self):
+ # Node needs to wait until all associated RMs are released
+ # to be released
+ if not self.get("tearDown"):
+ self.set("tearDown", self._tear_down_command())
+
+ super(PlanetlabVroute, self).do_release()
+
+ def _tear_down_command(self):
+ if self.get("action") == "del":
+ return
+
+ return self._stop_command
+
+ @property
+ def _start_command(self):
+ command = ["sudo -S python ${SRC}/pl-vroute.py"]
+ command.append("-a %s" % self.get("action"))
+ command.append("-n %s" % self.get("network"))
+ command.append("-p %d" % self.tap.get("prefix4"))
+ command.append("-g %s" % self.tap.get("pointopoint"))
+ command.append("-f %s" % self.tap.get("deviceName"))
+ return " ".join(command)
+
+ @property
+ def _stop_command(self):
+ command = ["sudo -S python ${SRC}/pl-vroute.py"]
+ command.append("-a %s" % "del")
+ command.append("-n %s" % self.get("network"))
+ command.append("-p %d" % self.tap.get("prefix4"))
+ command.append("-g %s" % self.tap.get("pointopoint"))
+ command.append("-f %s" % self.tap.get("deviceName"))
+ return " ".join(command)
+
+ def valid_connection(self, guid):
+ # TODO: Validate!
+ return True
+