from nepi.execution.attribute import Attribute, Flags, Types
from nepi.execution.resource import ResourceManager, clsinit_copy, \
ResourceState
-from nepi.resources.planetlab.openvswitch.ovs import OVSWitch
+from nepi.resources.planetlab.openvswitch.ovs import OVSSwitch
from nepi.resources.planetlab.node import PlanetlabNode
from nepi.resources.linux.application import LinuxApplication
_help = "Runs an OpenVSwitch on a PlanetLab host"
_backend = "planetlab"
- _authorized_connections = ["OVSWitch", "Tunnel"]
+ _authorized_connections = ["OVSSwitch", "OVSTunnel"]
@classmethod
def _register_attributes(cls):
self._port_number = None
self.port_info = []
+ def log_message(self, msg):
+ return " guid %d - OVSPort - %s " % (self.guid, msg)
+
@property
def node(self):
- rm_list = self.get_connected(OVSWitch.get_rtype())
+ """ Node that run the switch and the ports
+ """
+ rm_list = self.get_connected(OVSSwitch.get_rtype())
if rm_list:
for elt in rm_list:
node = elt.get_connected(PlanetlabNode.get_rtype())
return node[0]
@property
- def ovswitch(self):
- ovswitch = self.get_connected(OVSWitch.get_rtype())
- if ovswitch: return ovswitch[0]
+ def ovsswitch(self):
+ """ Switch where the port is created
+ """
+ ovsswitch = self.get_connected(OVSSwitch.get_rtype())
+ if ovsswitch: return ovsswitch[0]
return None
@property
return self._port_number
def valid_connection(self, guid):
- # TODO: Validate!
- return True
-
-# def valid_connection(self, guid):
-# """ Check if the connection is available.
-
-# :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)
-
- def get_host_ip(self):
- """ Get the hostname of the node that
- the port belongs to. We use it for tunnel.
+ """ Check if the connection is available.
+
+ :param guid: Guid of the current RM
+ :type guid: int
+ :rtype: Boolean
+
"""
- get_host_ip = self.node
- if not get_host_ip:
- msg = "info_list is empty"
+ 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)
- raise RuntimeError, msg
+ return True
+ msg = "Connection between %s %s and %s %s refused" % (self.get_rtype(), self._guid, rm.get_rtype(), guid)
+ self.debug(msg)
- import socket
- self.port_info.append(get_host_ip.get('hostname'))
- self.port_info.append(socket.gethostbyname(self.port_info[0]))
-
def create_port(self):
""" Create the desired port
"""
- port_name = self.get('port_name')
+ msg = "Creating the port %s" % self.get('port_name')
+ self.debug(msg)
- if not (port_name or self.ovswitch):
- msg = "The rm_list is empty or the port name is not assigned\n Failed to create port"
+ if not self.get('port_name'):
+ msg = "The port name is not assigned"
self.error(msg)
- self.debug("ovswitch_list = %s and port_name = %s" % (self.ovswitch, port_name) )
raise AttributeError, msg
- self.info("Create the port %s on switch %s" % (port_name, self.ovswitch.get('bridge_name')))
- self.port_info.append(port_name)
- self.port_info.append(self.ovswitch.get('virtual_ip_pref'))
- cmd = "sliver-ovs create-port %s %s" % (self.ovswitch.get('bridge_name'), port_name)
- self.node.run(cmd, self.ovswitch.ovs_checks,
- stderr = "stdout-%s" % port_name,
- stdout = "stderr-%s" % port_name,
+ if not self.ovsswitch:
+ msg = "The OVSwitch RM is not running"
+ self.error(msg)
+ raise AttributeError, msg
+
+ cmd = "sliver-ovs create-port %s %s" % (self.ovsswitch.get('bridge_name'),
+ self.get('port_name'))
+ self.node.run(cmd, self.ovsswitch.ovs_checks,
+ stderr = "stdout-%s" % self.get('port_name'),
+ stdout = "stderr-%s" % self.get('port_name'),
sudo = True)
+
+ self.info("Created the port %s on switch %s" % (self.get('port_name'),
+ self.ovsswitch.get('bridge_name')))
def get_local_end(self):
""" Get the local_endpoint of the port
"""
- msg = "Discovering the number of the port %s"\
- % self.get('port_name')
- self.info(msg)
- command = "sliver-ovs get-local-endpoint %s"\
- % self.get('port_name')
+ msg = "Discovering the number of the port %s" % self.get('port_name')
+ self.debug(msg)
+
+ command = "sliver-ovs get-local-endpoint %s" % self.get('port_name')
out = err = ""
- (out, err), proc = self.node.run_and_wait(command, self.ovswitch.ovs_checks,
+ (out, err), proc = self.node.run_and_wait(command,
+ self.ovsswitch.ovs_checks,
shfile = "port_number-%s.sh" % self.get('port_name'),
pidfile = "port_number_pidfile-%s" % self.get('port_name'),
ecodefile = "port_number_exitcode-%s" % self.get('port_name'),
stderr = "stderr-%s" % self.get('port_name'))
if err != "":
- msg = "No assignment in attribute port_name"
+ msg = "Error retrieving the local endpoint of the port"
self.error(msg)
- self.debug("You are in the method get_local_end and the port_name = %s" % self.get('port_name'))
raise AttributeError, msg
- self._port_number = None
- self._port_number = int(out)
- self.port_info.append(self._port_number)
- self.info("The number of the %s is %s" % (self.get('port_name'), self._port_number))
+ if out:
+ self._port_number = int(out)
+
+ self.info("The number of the %s is %s" % (self.get('port_name'),
+ self.port_number))
+ def set_port_info(self):
+ """ Set all the information about the port inside a list
+ """
+
+ info = []
+ info.append(self.node.get('hostname'))
+
+ #Return the ip of the node
+ import socket
+ ip = socket.gethostbyname(self.node.get('hostname'))
+ info.append(ip)
+
+ info.append(self.get('port_name'))
+ info.append(self.ovsswitch.get('virtual_ip_pref'))
+ info.append(self.port_number)
+ return info
+
def switch_connect_command(self, local_port_name,
remote_ip, remote_port_num):
- """ Script for switch links
+ """ Script to create the connection from a switch to a
+ remote endpoint
"""
+
command = ["sliver-ovs"]
command.append("set-remote-endpoint ")
command.append("%s " % local_port_name)
return command
def do_deploy(self):
- """ Wait until ovswitch is started
+ """ Deploy the OVS port after the OVS Switch
"""
- ovswitch = self.ovswitch
- if not ovswitch or ovswitch.state < ResourceState.READY:
- self.debug("---- RESCHEDULING DEPLOY ---- node state %s " % self.ovswitch.state )
+ if not self.ovsswitch or self.ovsswitch.state < ResourceState.READY:
+ self.debug("---- RESCHEDULING DEPLOY ---- OVSwitch state %s " % self.ovsswitch.state )
self.ec.schedule(reschedule_delay, self.deploy)
return
self.do_discover()
self.do_provision()
- self.get_host_ip()
+
self.create_port()
self.get_local_end()
- self.ovswitch.ovs_status()
+
+ #Check the status of the OVS Switch
+ self.ovsswitch.ovs_status()
+
+ # Save all the information inside a list
+ self.port_info = self.set_port_info()
super(OVSPort, self).do_deploy()
def do_release(self):
- """ Release the port RM means delete the ports
+ """ Delete the port on the OVSwitch. It needs to wait for the tunnel
+ to be released.
"""
- # OVS needs to wait until all associated RMs are released
- # to be released
+
from nepi.resources.planetlab.openvswitch.tunnel import OVSTunnel
rm = self.get_connected(OVSTunnel.get_rtype())
- if rm and rm[0].state < ResourceState.STOPPED:
+ if rm and rm[0].state < ResourceState.RELEASED:
self.ec.schedule(reschedule_delay, self.release)
return
- msg = "Deleting the port %s" % self.get('port_name')
- self.info(msg)
cmd = "sliver-ovs del_port %s" % self.get('port_name')
- (out, err), proc = self.node.run(cmd, self.ovswitch.ovs_checks,
+ (out, err), proc = self.node.run(cmd, self.ovsswitch.ovs_checks,
sudo = True)
+ msg = "Deleting the port %s" % self.get('port_name')
+ self.info(msg)
+
if proc.poll():
self.error(msg, out, err)
raise RuntimeError, msg
git://git.onelab.eu / nepi.git / blobdiff