ResourceState, reschedule_delay
from nepi.execution.attribute import Attribute, Flags
from nepi.resources.omf.omf_resource import ResourceGateway, OMFResource
-from nepi.resources.omf.node import OMFNode, confirmation_counter
+from nepi.resources.omf.node import OMFNode, confirmation_counter, reschedule_check
from nepi.resources.omf.omf_api_factory import OMFAPIFactory
from nepi.util import sshfuncs
self.set('command', "")
self.set('appid', "")
- self.path= ""
- self.args = ""
+ self._path= ""
+ self._args = ""
self.set('env', "")
self._node = None
def _init_command(self):
comm = self.get('command').split(' ')
- self.path= comm[0]
+ self._path= comm[0]
if len(comm)>1:
- self.args = ' '.join(comm[1:])
+ self._args = ' '.join(comm[1:])
@property
def exp_id(self):
def stdin_hook(self, old_value, new_value):
""" Set a hook to the stdin attribute in order to send a message at each time
- the value of this parameter is changed
+ the value of this parameter is changed. Used ofr OMF 5.4 only
"""
self._omf_api.send_stdin(self.node.get('hostname'), new_value, self.get('appid'))
return new_value
def add_set_hook(self):
- """ Initialize the hooks
+ """ Initialize the hooks for OMF 5.4 only
"""
attr = self._attrs["stdin"]
def do_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.
+ It becomes DEPLOYED after the topic for the application has been created
"""
if not self.node or self.node.state < ResourceState.READY:
msg = "Credentials are not all initialzed. Default values will be used"
self.warn(msg)
+ if not self.get('command') :
+ msg = "Application's Command is not initialized"
+ self.error(msg)
+ raise RuntimeError, msg
+
if not self._omf_api :
self._omf_api = OMFAPIFactory.get_api(self.get('version'),
self.get('xmppServer'), self.get('xmppUser'), self.get('xmppPort'),
uid = self.check_deploy(self.create_id)
if not uid:
self._create_cnt +=1
- self.ec.schedule(reschedule_delay, self.deploy)
+ self.ec.schedule(reschedule_check, self.deploy)
return
self._topic_app = uid
super(OMFApplication, self).do_deploy()
def check_deploy(self, cid):
+ """ Check, through the mail box in the parser,
+ if the confirmation of the creation has been received
+
+ :param cid: the id of the original message
+ :type guid: string
+
+ """
uid = self._omf_api.check_mailbox("create", cid)
if uid :
return uid
def do_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)
"""
- if not self.get('command') :
- msg = "Application's Command is not initialized"
- self.error(msg)
- raise RuntimeError, msg
if not self.get('env'):
self.set('env', " ")
if self.get('version') == "5":
# Some information to check the command for OMF5
msg = " " + self.get_rtype() + " ( Guid : " + str(self._guid) +") : " + \
- self.get('appid') + " : " + self.path + " : " + \
- self.args + " : " + self.get('env')
+ self.get('appid') + " : " + self._path + " : " + \
+ self._args + " : " + self.get('env')
self.debug(msg)
self._omf_api.execute(self.node.get('hostname'),self.get('appid'), \
- self.get('args'), self.get('path'), self.get('env'))
+ self._args, self._path, self.get('env'))
else:
#For OMF 6
if self._start_cnt == 0:
res = self.check_start(self._topic_app)
if not res:
self._start_cnt +=1
- self.ec.schedule(reschedule_delay, self.start)
+ self.ec.schedule(reschedule_check, self.start)
return
super(OMFApplication, self).do_start()
def check_start(self, uid):
+ """ Check, through the mail box in the parser,
+ if the confirmation of the start has been received
+
+ :param uid: the id of the original message
+ :type guid: string
+
+ """
res = self._omf_api.check_mailbox("started", uid)
if res :
return True
super(OMFApplication, self).do_stop()
def check_release(self, cid):
+ """ Check, through the mail box in the parser,
+ if the confirmation of the release has been received
+
+ :param cid: the id of the original message
+ :type guid: string
+
+ """
res = self._omf_api.check_mailbox("release", cid)
if res :
return res
""" Clean the RM at the end of the experiment and release the API.
"""
- if self.get('version') == "6":
- if not self.release_id:
- self.release_id = os.urandom(16).encode('hex')
- self._omf_api.frcp_release( self.release_id, self.node.get('hostname'),self._topic_app, res_id=self._topic_app)
+ if self._omf_api:
+ if self.get('version') == "6":
+ if not self.release_id:
+ self.release_id = os.urandom(16).encode('hex')
+ self._omf_api.frcp_release( self.release_id, self.node.get('hostname'),self._topic_app, res_id=self._topic_app)
- if self._release_cnt < confirmation_counter:
- cid = self.check_release(self.release_id)
- if not cid:
- self._release_cnt +=1
- self.ec.schedule(reschedule_delay, self.release)
- return
- else:
- msg = "Couldn't retrieve the confirmation of the release"
- self.error(msg)
+ if self._release_cnt < confirmation_counter:
+ cid = self.check_release(self.release_id)
+ if not cid:
+ self._release_cnt +=1
+ self.ec.schedule(reschedule_check, self.release)
+ return
+ else:
+ msg = "Couldn't retrieve the confirmation of the release"
+ self.error(msg)
+
- if self._omf_api:
OMFAPIFactory.release_api(self.get('version'),
self.get('xmppServer'), self.get('xmppUser'), self.get('xmppPort'),
self.get('xmppPassword'), exp_id = self.exp_id)
git://git.onelab.eu / nepi.git / blobdiff