def put(self, nffg):
"""
Manage the request of NF-FG instantiation
"""
logging.debug('Put from user '+self.user_data.username+" of tenant "+self.user_data.tenant)
if self.checkNFFGStatus(nffg.id) is True:
logging.debug('NF-FG already instantiated, trying to update it')
session_id = self.update(nffg)
logging.debug('Update completed')
else:
session_id = uuid.uuid4().hex
Session().inizializeSession(session_id, self.user_data.getUserID(), nffg.id, nffg.name)
try:
# Manage profile
self.prepareNFFG(nffg)
# TODO: To split the graph we have to loop the following three instructions
# Take a decision about where we should schedule the serving graph (UN or HEAT), and the node
Graph().id_generator(nffg, session_id)
orchestrator, node = Scheduler(nffg.db_id, self.user_data).schedule(nffg)
# If the orchestrator have to connect two graphs in different nodes,
# the end-points must be characterized to allow a connection between nodes
remote_nffgs_dict = self.analizeRemoteConnection(nffg, node)
# If needed, update the remote graph
self.updateRemoteGraph(remote_nffgs_dict)
# Save the NFFG in the database, with the state initializing
Graph().addNFFG(nffg, session_id)
Graph().setNodeID(nffg.db_id, node.id)
# Instantiate profile
logging.info('Call CA to instantiate NF-FG')
logging.debug(nffg.getJSON())
orchestrator.instantiateProfile(nffg, node)
logging.debug('NF-FG instantiated')
Session().updateSessionNode(session_id, node.id, node.id)
except Exception as ex:
logging.exception(ex)
'''
Graph().delete_graph(nffg.db_id)
'''
Session().set_error(session_id)
raise ex
Session().updateStatus(session_id, 'complete')
return session_id
