# 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
+#from nepi.util.sshfuncs import ProcStatus
+from nepi.util import sshfuncs
-@clsinit
-class OMFApplication(ResourceManager):
+
+@clsinit_copy
+class OMFApplication(OMFResource):
"""
.. class:: Class Args :
.. 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")
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 = "")
+ sources = Attribute("sources", "Sources of the application",
+ flags = Flags.ExecReadOnly)
+ sshuser = Attribute("sshUser", "user to connect with ssh",
+ flags = Flags.ExecReadOnly)
+ sshkey = Attribute("sshKey", "key to use for ssh",
+ flags = Flags.ExecReadOnly)
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)
+ cls._register_attribute(sources)
+ cls._register_attribute(sshuser)
+ cls._register_attribute(sshkey)
def __init__(self, ec, guid):
"""
:type creds: dict
"""
-
super(OMFApplication, self).__init__(ec, guid)
self.set('appid', "")
self._omf_api = None
+ self.add_set_hook()
+
@property
def exp_id(self):
- if self.ec.exp_id.startswith('exp-'):
- return None
return self.ec.exp_id
@property
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.
+ """ 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
-
+ return True
+ @failtrap
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.
+
"""
+ self.set('xmppSlice', self.node.get('xmppSlice'))
+ self.set('xmppHost', self.node.get('xmppHost'))
+ self.set('xmppPort', self.node.get('xmppPort'))
+ self.set('xmppPassword', self.node.get('xmppPassword'))
+
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.exp_id)
+ self.get('xmppHost'), self.get('xmppPort'),
+ self.get('xmppPassword'), exp_id = self.exp_id)
if not self._omf_api :
- self._state = ResourceState.FAILED
msg = "Credentials are not initialzed. XMPP Connections impossible"
self.error(msg)
- return
+ raise RuntimeError, msg
+
+ if self.get('sources'):
+ gateway = ResourceGateway.AMtoGateway[self.get('xmppHost')]
+ user = self.get('sshUser') or self.get('xmppSlice')
+ dst = user + "@"+ gateway + ":"
+ (out, err), proc = sshfuncs.rcopy(self.get('sources'), dst)
super(OMFApplication, self).deploy()
+ @failtrap
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)
"""
if not (self.get('appid') and self.get('path')) :
- self._state = ResourceState.FAILED
msg = "Application's information are not initialized"
self.error(msg)
- return
+ raise RuntimeError, msg
if not self.get('args'):
self.set('args', " ")
self._omf_api.execute(self.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)
raise
-
super(OMFApplication, self).start()
-
+ @failtrap
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:
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)
- #raise
+ raise
super(OMFApplication, self).stop()
- self._state = ResourceState.FINISHED
-
+ self.set_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'), exp_id = self.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()
git://git.onelab.eu / nepi.git / blobdiff