reschedule_delay = "0.5s"
@clsinit_copy
-class OVSWitch(LinuxApplication):
- _rtype = "OVSWitch"
+class OVSSwitch(LinuxApplication):
+ """
+ .. class:: Class Args :
+
+ :param ec: The Experiment controller
+ :type ec: ExperimentController
+ :param guid: guid of the RM
+ :type guid: int
+
+ """
+
+ _rtype = "OVSSwitch"
_help = "Runs an OpenVSwitch on a PlanetLab host"
_backend = "planetlab"
@classmethod
def _register_attributes(cls):
- """ Register the attributes of OVSWitch RM
+ """ Register the attributes of OVSSwitch RM
"""
bridge_name = Attribute("bridge_name", "Name of the switch/bridge",
:type guid: int
"""
- super(OVSWitch, self).__init__(ec, guid)
- self._pid = None
- self._ppid = None
- self._home = "ovswitch-%s" % self.guid
+ super(OVSSwitch, self).__init__(ec, guid)
+ self._home = "ovsswitch-%s" % self.guid
self._checks = "ovsChecks-%s" % self.guid
@property
def node(self):
+ """ Node wthat run the switch
+ """
node = self.get_connected(PlanetlabNode.get_rtype())
if node: return node[0]
return None
+ def log_message(self, msg):
+ return " guid %d - OVSSwitch - %s " % (self.guid, msg)
+
@property
def ovs_home(self):
return os.path.join(self.node.exp_home, self._home)
def ovs_checks(self):
return os.path.join(self.ovs_home, self._checks)
- @property
- def pid(self):
- return self._pid
+ def valid_connection(self, guid):
+ """ Check if the connection with the guid in parameter is possible. Only meaningful connections are allowed.
- @property
- def ppid(self):
- return self._ppid
-
-# def valid_connection(self, guid):
-# """ Check if the connection with the guid in parameter is possible. Only meaningful connections are allowed.
-
-# :param guid: Guid of the current RM
-# :type guid: int
-# :rtype: Boolean
-
-# """
-# rm = self.ec.get_resource(guid)
-# if rm.get_rtype() in self._authorized_connections:
-# msg = "Connection between %s %s and %s %s accepted" % \
-# (self.get_rtype(), self._guid, rm.get_rtype(), guid)
-# self.debug(msg)
-# return True
-# msg = "Connection between %s %s and %s %s refused" % \
-# (self.get_rtype(), self._guid, rm.get_rtype(), guid)
-# self.debug(msg)
-# return False
+ :param guid: Guid of the current RM
+ :type guid: int
+ :rtype: Boolean
- def valid_connection(self, guid):
- # TODO: Validate!
- return True
+ """
+ rm = self.ec.get_resource(guid)
+ if rm.get_rtype() in self._authorized_connections:
+ msg = "Connection between %s %s and %s %s accepted" % \
+ (self.get_rtype(), self._guid, rm.get_rtype(), guid)
+ self.debug(msg)
+ return True
+ msg = "Connection between %s %s and %s %s refused" % \
+ (self.get_rtype(), self._guid, rm.get_rtype(), guid)
+ self.debug(msg)
+ return False
def do_provision(self):
+ """ Create the different OVS folder.
+ """
+
# create home dir for ovs
self.node.mkdir(self.ovs_home)
# create dir for ovs checks
self.node.mkdir(self.ovs_checks)
- super(OVSWitch, self).do_provision()
+ super(OVSSwitch, self).do_provision()
def do_deploy(self):
- """ Wait until node is associated and deployed
+ """ Deploy the OVS Switch : Turn on the server, create the bridges
+ and assign the controller
"""
+
if not self.node or self.node.state < ResourceState.READY:
self.ec.schedule(reschedule_delay, self.deploy)
return
self.do_discover()
self.do_provision()
+
self.check_sliver_ovs()
self.servers_on()
self.create_bridge()
self.assign_controller()
self.ovs_status()
- super(OVSWitch, self).do_deploy()
+ super(OVSSwitch, self).do_deploy()
def check_sliver_ovs(self):
- """ Check if sliver-ovs exists. If it does not exist, we interrupt
- the execution immediately.
+ """ Check if sliver-ovs exists. If it does not exist, the execution is stopped
"""
+
cmd = "compgen -c | grep sliver-ovs"
out = err = ""
self.debug(msg)
def servers_on(self):
- """ Start the openvswitch servers and also checking
- if they started successfully
+ """ Start the openvswitch servers and check it
"""
# Start the server
self.info("Server OVS Started Correctly")
-# def del_old_br(self):
-# # TODO: Delete old bridges that might exist maybe by adding atribute
-# """ With ovs-vsctl list-br
-# """
-# pass
-
def create_bridge(self):
- """ Create the bridge/switch and we check if we have any
- error during the SSH connection
+ """ Create the bridge/switch and check error during SSH connection
"""
+ # TODO: Check if previous bridge exist and delete them. Use ovs-vsctl list-br
# TODO: Add check for virtual_ip belonging to vsys_tag
- #self.del_old_br()
+
if not (self.get("bridge_name") and self.get("virtual_ip_pref")):
msg = "No assignment in one or both attributes"
self.info("Controller assigned to the bridge %s" % self.get("bridge_name"))
def ovs_status(self):
- """ Print the status of the bridge
+ """ Print the status of the bridge
"""
+
cmd = "sliver-ovs show | tail -n +2"
out = err = ""
(out, err), proc = self.node.run_and_wait(cmd, self.ovs_home,
self.error(msg)
raise RuntimeError, msg
- self.info(out)
+ self.debug(out)
def do_release(self):
- """ Delete the bridge and close the servers.
- It need to wait for the others RM (OVSPort and OVSTunnel)
+ """ Delete the bridge and close the server.
+
+ .. note : It need to wait for the others RM (OVSPort and OVSTunnel)
to be released before releasing itself
"""
self.error(msg, out, err)
raise RuntimeError, msg
- super(OVSWitch, self).do_release()
+ super(OVSSwitch, self).do_release()
git://git.onelab.eu / nepi.git / blobdiff