def scale_ns(nsId, body):
"""
Starts a process to scale the Network Service associated with the instance identified by "nsId".
Parameters
----------
nsId: string
Identifier of the Network Service Instance.
body: request body
Returns
-------
string
Id of the operation associated to the Network Service instantiation.
"""
log_queue.put(
["INFO", "scale_ns for nsId %s with body: %s" % (nsId, body)])
# client = MongoClient()
# fgtso_db = client.fgtso
# ns_coll = fgtso_db.ns
if not ns_db.exists_nsId(nsId):
return 404
status = ns_db.get_ns_status(nsId)
if status != "INSTANTIATED":
return 400
ns_db.set_ns_status(nsId, "INSTANTIATING")
operationId = create_operation_identifier(nsId, "INSTANTIATION")
ps = Process(target=scale_ns_process, args=(nsId, body))
ps.start()
# save process
processes[operationId] = ps
return operationId
def instantiate_ns(nsId, body, requester):
"""
Starts a process to instantiate the Network Service associated to the instance identified by "nsId".
Parameters
----------
nsId: string
Identifier of the Network Service Instance.
body: request body
Returns
-------
string
Id of the operation associated to the Network Service instantiation.
"""
log_queue.put(["INFO", "*****Time measure: SOEc SOEc instantiating a nested"])
log_queue.put(["INFO", "instantiate_ns for nsId %s with body: %s" % (nsId, body)])
#client = MongoClient()
#fgtso_db = client.fgtso
#ns_coll = fgtso_db.ns
if not ns_db.exists_nsId(nsId):
return 404
status = ns_db.get_ns_status(nsId)
if status != "NOT_INSTANTIATED":
return 400
ns_db.save_instantiation_info(nsId, body, requester)
operationId = create_operation_identifier(nsId, "INSTANTIATION")
ps = Process(target=instantiate_ns_process, args=(nsId, body))
ps.start()
# save process
processes[operationId] = ps
# log_queue.put(["INFO", "*****Time measure: SOEc finished instantiation at SOEc"])
return operationId
def query_ns(nsId):
"""
Returns the information of the Network Service Instance identified by nsId.
Parameters
----------
nsId: string
Identifier of the NS instance to terminate.
Returns
-------
dict
Information of the Network Service Instance.
"""
if not ns_db.exists_nsId(nsId):
# TODO create errors
return 404
# TODO: lines below are a stub
status = ns_db.get_ns_status(nsId)
vs_status = "FAILED"
if status in ["TERMINATED", "INSTANTIATING", "TERMINATING"]:
vs_status = "NOT_INSTANTIATED"
elif status == "INSTANTIATED":
vs_status = "INSTANTIATED"
nsd_id = ns_db.get_nsdId(nsId)
nsd_json = nsd_db.get_nsd_json(nsd_id)
ns_name = ns_db.get_ns_name(nsId)
ns_description = ns_db.get_ns_description(nsId)
flavour_id = ns_db.get_ns_flavour_id(nsId)
info = {
"nsInstanceId": nsId,
"nsName": ns_name,
"description": ns_description,
"nsdId": nsd_id,
"flavourId": flavour_id,
"nsState": vs_status,
}
#turn void the sap_info and the monitoring if the service is terminated
if vs_status == "NOT_INSTANTIATED":
info["sapInfo"] = []
log_queue.put(["INFO", "hola"])
return info
if "sapd" in nsd_json["nsd"]:
total_sap_info = get_ns_sap_info(nsId, nsd_json["nsd"]["sapd"])
if total_sap_info is not None:
info["sapInfo"] = total_sap_info
dashboard_info = ns_db.get_dashboard_info(nsId)
if "dashboardUrl" in dashboard_info.keys():
info["monitoringDashboardUrl"] = dashboard_info["dashboardUrl"]
log_queue.put(
["INFO",
"query_result: %s" % dumps(info, indent=4, sort_keys=True)])
return info
def terminate_ns(nsId, requester):
"""
Starts a process to terminate the NS instance identified by "nsId".
Parameters
----------
nsId: string
Identifier of the NS instance to terminate.
requester: string
IP address of the entity making the request
Returns
-------
operationId: string
Identifier of the operation in charge of terminating the service.
"""
log_queue.put(
["INFO", "*****Time measure: SOEc SOEc terminating a nested"])
if not ns_db.exists_nsId(nsId):
return 404
registered_requester = ns_db.get_ns_requester(nsId)
if (registered_requester != requester):
return 404
# check the ns status
status = ns_db.get_ns_status(nsId)
log_queue.put(
["INFO", "Network service %s is in %s state." % (nsId, status)])
if status in ["TERMINATING", "TERMINATED", "NOT_INSTANTIATED"]:
return 400
# if status is INSTANTIATING, kill the instantiation process
if status == "INSTANTIATING":
# set related operation as CANCELLED
operationId = operation_db.get_operationId(nsId, "INSTANTIATION")
operation_db.set_operation_status(operationId, "CANCELLED")
# cancel instantiation process
process = processes[operationId]
process.terminate()
process.join()
operationId = create_operation_identifier(nsId, "TERMINATION")
ps = Process(target=terminate_ns_process, args=(nsId, None))
ps.start()
# save process
processes[operationId] = ps
# log_queue.put(["INFO", "*****Time measure: finished termination at SOEc"])
return operationId
def query_ns(nsId):
"""
Returns the information of the Network Service Instance identified by nsId.
Parameters
----------
nsId: string
Identifier of the NS instance to terminate.
Returns
-------
dict
Information of the Network Service Instance.
"""
if not ns_db.exists_nsId(nsId):
return 404
status = ns_db.get_ns_status(nsId)
nsd_id = ns_db.get_nsdId(nsId)
nsd_json = nsd_db.get_nsd_json(nsd_id)
ns_name = ns_db.get_ns_name(nsId)
ns_description = ns_db.get_ns_description(nsId)
flavour_id = ns_db.get_ns_flavour_id(nsId)
info = {
"nsInstanceId": nsId,
"nsName": ns_name,
"description": ns_description,
"nsdId": nsd_id,
"flavourId": flavour_id,
"nsState": status,
}
if "sapd" in nsd_json["nsd"]:
info["sapInfo"] = get_ns_sap_info(nsId, nsd_json["nsd"]["sapd"])
query_result = {"queryNsResult": [info]}
log_queue.put([
"DEBUG",
"query_result: %s" % dumps(query_result, indent=4, sort_keys=True)
])
return query_result