--- /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
+