# Author: Alina Quereilhac <alina.quereilhac@inria.fr>
# Julien Tribino <julien.tribino@inria.fr>
-
-from nepi.execution.resource import ResourceManager, clsinit, ResourceState, \
- reschedule_delay
+from nepi.execution.resource import ResourceManager, clsinit_copy, \
+ ResourceState, reschedule_delay
from nepi.execution.attribute import Attribute, Flags
from nepi.resources.omf.omf_resource import ResourceGateway, OMFResource
-from nepi.resources.omf.omf_api import OMFAPIFactory
+from nepi.resources.omf.omf_api_factory import OMFAPIFactory
import time
+reschedule_check = "0.3s"
+confirmation_counter = 300
-@clsinit
+@clsinit_copy
class OMFNode(OMFResource):
"""
.. class:: Class Args :
:param creds: Credentials to communicate with the rm (XmppClient for OMF)
:type creds: dict
- .. note::
-
- This class is used only by the Experiment Controller through the Resource Factory
-
"""
_rtype = "OMFNode"
_authorized_connections = ["OMFApplication" , "OMFWifiInterface"]
self._omf_api = None
+ @property
+ def exp_id(self):
+ return self.ec.exp_id
+
def valid_connection(self, guid):
""" Check if the connection with the guid in parameter is possible.
Only meaningful connections are allowed.
"""
rm = self.ec.get_resource(guid)
- if rm.rtype() in self._authorized_connections:
+ if rm.get_rtype() in self._authorized_connections:
msg = "Connection between %s %s and %s %s accepted" % (
- self.rtype(), self._guid, rm.rtype(), guid)
+ self.get_rtype(), self._guid, rm.get_rtype(), guid)
self.debug(msg)
-
return True
msg = "Connection between %s %s and %s %s refused" % (
- self.rtype(), self._guid, rm.rtype(), guid)
- self.debug(msg)
+ self.get_rtype(), self._guid, rm.get_rtype(), guid)
+ self.error(msg)
return False
- def deploy(self):
+ def do_deploy(self):
""" Deploy the RM. It means : Send Xmpp Message Using OMF protocol
to enroll the node into the experiment.
- It becomes DEPLOYED after sending messages to enroll the node
"""
- if not self._omf_api :
- self._omf_api = OMFAPIFactory.get_api(self.get('xmppSlice'),
- self.get('xmppHost'), self.get('xmppPort'),
- self.get('xmppPassword'), exp_id = self.ec.exp_id)
+ if not self.get('xmppServer'):
+ msg = "XmppServer is not initialzed. XMPP Connections impossible"
+ self.error(msg)
+ raise RuntimeError, msg
- if not self._omf_api :
- msg = "Credentials are not initialzed. XMPP Connections impossible"
+ if not self.get('version'):
+ msg = "Version of OMF is not indicated"
self.error(msg)
- self.fail()
- return
+ raise RuntimeError, msg
+
+ if not (self.get('xmppUser') or self.get('xmppPort')
+ or self.get('xmppPassword')):
+ msg = "Credentials are not all initialzed. Default values will be used"
+ self.warn(msg)
+
+ if not self._omf_api :
+ self._omf_api = OMFAPIFactory.get_api(self.get('version'),
+ self.get('xmppServer'), self.get('xmppUser'), self.get('xmppPort'),
+ self.get('xmppPassword'), exp_id = self.exp_id)
if not self.get('hostname') :
msg = "Hostname's value is not initialized"
self.error(msg)
- self.fail()
- return False
+ raise RuntimeError, msg
- try:
+ if self.get('version') == "5":
self._omf_api.enroll_host(self.get('hostname'))
- except AttributeError:
- msg = "Credentials are not initialzed. XMPP Connections impossible"
- self.error(msg)
- self.fail()
- #raise AttributeError, msg
-
- super(OMFNode, self).deploy()
+ else:
+ self._omf_api.enroll_topic(self.get('hostname'))
- def discover(self):
- """ Discover the availables nodes
+ super(OMFNode, self).do_deploy()
- """
- pass
-
- def provision(self):
- """ Provision some availables nodes
-
- """
- pass
-
- def start(self):
- """Start the RM. It means nothing special for an interface for now
- It becomes STARTED as soon as this method starts.
+ def do_release(self):
+ """ Clean the RM at the end of the experiment by unenrolling
+ the node from the topic
"""
-
- super(OMFNode, self).start()
-
- def stop(self):
- """Stop the RM. It means nothing special for an interface for now
- It becomes STOPPED as soon as this method stops
-
- """
- super(OMFNode, self).stop()
-
- def release(self):
- """Clean the RM at the end of the experiment
-
- """
- if self._omf_api :
- self._omf_api.release(self.get('hostname'))
-
- OMFAPIFactory.release_api(self.get('xmppSlice'),
- self.get('xmppHost'), self.get('xmppPort'),
- self.get('xmppPassword'), exp_id = self.ec.exp_id)
-
- super(OMFNode, self).release()
+ from nepi.resources.omf.application import OMFApplication
+ rm_list = self.get_connected(OMFApplication.get_rtype())
+ if rm_list:
+ for rm in rm_list:
+ if rm.state < ResourceState.RELEASED:
+ self.ec.schedule(reschedule_delay, self.release)
+ return
+
+ from nepi.resources.omf.interface import OMFWifiInterface
+ rm_list = self.get_connected(OMFWifiInterface.get_rtype())
+ if rm_list:
+ for rm in rm_list:
+ if rm.state < ResourceState.RELEASED:
+ self.ec.schedule(reschedule_delay, self.release)
+ return
+
+ if self._omf_api:
+ if self.get('version') == "5":
+ self._omf_api.release(self.get('hostname'))
+ else:
+ self._omf_api.unenroll_topic(self.get('hostname'))
+
+ OMFAPIFactory.release_api(self.get('version'),
+ self.get('xmppServer'), self.get('xmppUser'), self.get('xmppPort'),
+ self.get('xmppPassword'), exp_id = self.exp_id)
+
+ super(OMFNode, self).do_release()
git://git.onelab.eu / nepi.git / blobdiff