# Author: Alina Quereilhac <alina.quereilhac@inria.fr>
# Julien Tribino <julien.tribino@inria.fr>
-from nepi.execution.resource import ResourceManager, clsinit, ResourceState
+from nepi.execution.resource import ResourceManager, clsinit, ResourceState, \
+ reschedule_delay
from nepi.execution.attribute import Attribute, Flags
+from nepi.resources.omf.node import OMFNode
from nepi.resources.omf.omf_api import OMFAPIFactory
-reschedule_delay = "0.5s"
@clsinit
class OMFApplication(ResourceManager):
.. note::
- This class is used only by the Experiment Controller through the Resource Factory
+ This class is used only by the Experiment Controller through the
+ Resource Factory
"""
_rtype = "OMFApplication"
@classmethod
def _register_attributes(cls):
- """Register the attributes of an OMF application
+ """ Register the attributes of an OMF application
+
"""
appid = Attribute("appid", "Name of the application")
:type creds: dict
"""
-
super(OMFApplication, self).__init__(ec, guid)
self.set('appid', "")
self._omf_api = None
+ @property
+ def node(self):
+ rm_list = self.get_connected(OMFNode.rtype())
+ if rm_list: return rm_list[0]
+ return None
+
def valid_connection(self, guid):
- """Check if the connection with the guid in parameter is possible. Only meaningful connections are allowed.
+ """ Check if the connection with the guid in parameter is possible.
+ Only meaningful connections are allowed.
:param guid: Guid of RM it will be connected
:type guid: int
"""
rm = self.ec.get_resource(guid)
if rm.rtype() not in self._authorized_connections:
- msg = "Connection between %s %s and %s %s refused : An Application can be connected only to a Node" %\
+ msg = ("Connection between %s %s and %s %s refused: "
+ "An Application can be connected only to a Node" ) % \
(self.rtype(), self._guid, rm.rtype(), guid)
self.debug(msg)
+
return False
+
elif len(self.connections) != 0 :
- msg = "Connection between %s %s and %s %s refused : This Application is already connected" % \
+ msg = ("Connection between %s %s and %s %s refused: "
+ "This Application is already connected" ) % \
(self.rtype(), self._guid, rm.rtype(), guid)
self.debug(msg)
+
return False
+
else :
- msg = "Connection between %s %s and %s %s accepted" % (self.rtype(), self._guid, rm.rtype(), guid)
+ msg = "Connection between %s %s and %s %s accepted" % (
+ self.rtype(), self._guid, rm.rtype(), guid)
self.debug(msg)
+
return True
def deploy(self):
- """Deploy the RM. It means nothing special for an application for now (later it will be upload sources, ...)
- It becomes DEPLOYED after getting the xmpp client.
+ """ Deploy the RM. It means nothing special for an application
+ for now (later it will be upload sources, ...)
+ It becomes DEPLOYED after getting the xmpp client.
+
"""
if not self._omf_api :
self._omf_api = OMFAPIFactory.get_api(self.get('xmppSlice'),
- self.get('xmppHost'), self.get('xmppPort'), self.get('xmppPassword'))
-
+ 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
+
super(OMFApplication, self).deploy()
def start(self):
- """Start the RM. It means : Send Xmpp Message Using OMF protocol to execute the application
- It becomes STARTED before the messages are sent (for coordination)
+ """ Start the RM. It means : Send Xmpp Message Using OMF protocol
+ to execute the application.
+ It becomes STARTED before the messages are sent (for coordination)
"""
- super(OMFApplication, self).start()
- if self.get('appid') and self.get('path') and self.get('args') and self.get('env') :
- msg = " " + self.rtype() + " ( Guid : " + str(self._guid) +") : " + \
- self.get('appid') + " : " + self.get('path') + " : " + \
- self.get('args') + " : " + self.get('env')
- self.info(msg)
- rm_list = self.get_connected("OMFNode")
- try:
- for rm_node in rm_list:
- if rm_node.get('hostname') :
- self._omf_api.execute(rm_node.get('hostname'),self.get('appid'), \
- self.get('args'), self.get('path'), self.get('env'))
- except AttributeError:
- self._state = ResourceState.FAILED
- msg = "Credentials are not initialzed. XMPP Connections impossible"
- self.error(msg)
- return
- else :
- self._state = ResourceState.FAILED
+ if not (self.get('appid') and self.get('path')) :
msg = "Application's information are not initialized"
self.error(msg)
+ self.fail()
+ return
+
+ if not self.get('args'):
+ self.set('args', " ")
+ if not self.get('env'):
+ self.set('env', " ")
+
+ # Some information to check the information in parameter
+ msg = " " + self.rtype() + " ( Guid : " + str(self._guid) +") : " + \
+ self.get('appid') + " : " + self.get('path') + " : " + \
+ self.get('args') + " : " + self.get('env')
+ self.info(msg)
+
+ try:
+ self._omf_api.execute(self.node.get('hostname'),self.get('appid'), \
+ self.get('args'), self.get('path'), self.get('env'))
+ except AttributeError:
+ msg = "Credentials are not initialzed. XMPP Connections impossible"
+ self.error(msg)
+ self.fail()
+ raise
+
+ super(OMFApplication, self).start()
def stop(self):
- """Stop the RM. It means : Send Xmpp Message Using OMF protocol to kill the application
- It becomes STOPPED after the message is sent.
+ """ Stop the RM. It means : Send Xmpp Message Using OMF protocol to
+ kill the application.
+ State is set to STOPPED after the message is sent.
"""
try:
- rm_list = self.get_connected("OMFNode")
- for rm_node in rm_list :
- self._omf_api.exit(rm_node.get('hostname'),self.get('appid'))
+ self._omf_api.exit(self.node.get('hostname'),self.get('appid'))
except AttributeError:
- self._state = ResourceState.FAILED
msg = "Credentials were not initialzed. XMPP Connections impossible"
self.error(msg)
- return
+ self.fail()
+ #raise
+
super(OMFApplication, self).stop()
- self._state = ResourceState.FINISHED
-
def release(self):
- """Clean the RM at the end of the experiment and release the API.
+ """ Clean the RM at the end of the experiment and release the API.
"""
if self._omf_api :
OMFAPIFactory.release_api(self.get('xmppSlice'),
- self.get('xmppHost'), self.get('xmppPort'), self.get('xmppPassword'))
+ self.get('xmppHost'), self.get('xmppPort'),
+ self.get('xmppPassword'), exp_id = self.ec.exp_id)
+
+ super(OMFApplication, self).release()
git://git.onelab.eu / nepi.git / blobdiff