# 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
import time
-
-@clsinit
+@clsinit_copy
class OMFNode(OMFResource):
"""
.. class:: Class Args :
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.
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.get('xmppSlice') and self.get('xmppHost')
+ and self.get('xmppPort') and self.get('xmppPassword')):
+ msg = "Credentials are not initialzed. XMPP Connections impossible"
+ self.error(msg)
+ raise RuntimeError, msg
+
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._omf_api :
- msg = "Credentials are not initialzed. XMPP Connections impossible"
- self.error(msg)
- self.fail()
- return
+ 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
-
- try:
- 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()
-
- def discover(self):
- """ Discover the availables nodes
-
- """
- 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.
-
- """
-
- super(OMFNode, self).start()
+ raise RuntimeError, msg
- def stop(self):
- """Stop the RM. It means nothing special for an interface for now
- It becomes STOPPED as soon as this method stops
+ self._omf_api.enroll_host(self.get('hostname'))
- """
- super(OMFNode, self).stop()
+ super(OMFNode, self).do_deploy()
- def release(self):
- """Clean the RM at the end of the experiment
+ def do_release(self):
+ """ Clean the RM at the end of the experiment
"""
- if self._omf_api :
+ 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)
+ self.get('xmppPassword'), exp_id = self.exp_id)
- super(OMFNode, self).release()
+ super(OMFNode, self).do_release()