# 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, failtrap
from nepi.execution.attribute import Attribute, Flags
+from nepi.resources.omf.omf_resource import ResourceGateway, OMFResource
from nepi.resources.omf.node import OMFNode
from nepi.resources.omf.omf_api import OMFAPIFactory
-
-@clsinit
-class OMFApplication(ResourceManager):
+@clsinit_copy
+class OMFApplication(OMFResource):
"""
.. class:: Class Args :
""" Register the attributes of an OMF application
"""
-
appid = Attribute("appid", "Name of the application")
path = Attribute("path", "Path of the application")
args = Attribute("args", "Argument of the application")
env = Attribute("env", "Environnement variable of the application")
- xmppSlice = Attribute("xmppSlice","Name of the slice", flags = Flags.Credential)
- xmppHost = Attribute("xmppHost", "Xmpp Server",flags = Flags.Credential)
- xmppPort = Attribute("xmppPort", "Xmpp Port",flags = Flags.Credential)
- xmppPassword = Attribute("xmppPassword", "Xmpp Port",flags = Flags.Credential)
+ stdin = Attribute("stdin", "Input of the application", default = "")
cls._register_attribute(appid)
cls._register_attribute(path)
cls._register_attribute(args)
cls._register_attribute(env)
- cls._register_attribute(xmppSlice)
- cls._register_attribute(xmppHost)
- cls._register_attribute(xmppPort)
- cls._register_attribute(xmppPassword)
-
+ cls._register_attribute(stdin)
def __init__(self, ec, guid):
"""
self._omf_api = None
+ self.add_set_hook()
+
+ @property
+ def exp_id(self):
+ return self.ec.exp_id
+
@property
def node(self):
rm_list = self.get_connected(OMFNode.rtype())
if rm_list: return rm_list[0]
return None
+ def stdin_hook(self, old_value, new_value):
+ self._omf_api.send_stdin(self.node.get('hostname'), new_value, self.get('appid'))
+ return new_value
+
+ def add_set_hook(self):
+ attr = self._attrs["stdin"]
+ attr.set_hook = self.stdin_hook
+
def valid_connection(self, guid):
""" Check if the connection with the guid in parameter is possible.
Only meaningful connections are allowed.
return True
+ @failtrap
def deploy(self):
""" Deploy the RM. It means nothing special for an application
for now (later it will be upload sources, ...)
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)
+ self.get('xmppPassword'), exp_id = self.exp_id)
if not self._omf_api :
msg = "Credentials are not initialzed. XMPP Connections impossible"
self.error(msg)
- self.fail()
- return
+ raise RuntimeError, msg
super(OMFApplication, self).deploy()
+ @failtrap
def start(self):
""" Start the RM. It means : Send Xmpp Message Using OMF protocol
to execute the application.
if not (self.get('appid') and self.get('path')) :
msg = "Application's information are not initialized"
self.error(msg)
- self.fail()
- return
+ raise RuntimeError, msg
if not self.get('args'):
self.set('args', " ")
except AttributeError:
msg = "Credentials are not initialzed. XMPP Connections impossible"
self.error(msg)
- self.fail()
raise
super(OMFApplication, self).start()
+ @failtrap
def stop(self):
""" Stop the RM. It means : Send Xmpp Message Using OMF protocol to
kill the application.
except AttributeError:
msg = "Credentials were not initialzed. XMPP Connections impossible"
self.error(msg)
- self.fail()
- #raise
+ raise
super(OMFApplication, self).stop()
+ self.set_finished()
def release(self):
""" 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'), exp_id = self.ec.exp_id)
+ try:
+ if self._omf_api :
+ OMFAPIFactory.release_api(self.get('xmppSlice'),
+ self.get('xmppHost'), self.get('xmppPort'),
+ self.get('xmppPassword'), exp_id = self.exp_id)
+ except:
+ import traceback
+ err = traceback.format_exc()
+ self.error(err)
super(OMFApplication, self).release()