def get_ns_sap_info(nsi_id, nsd_saps):
sap_list = []
nsi_sap_info = ns_db.get_ns_sap_info(nsi_id)
for current_sap in nsd_saps:
if current_sap["cpdId"] in nsi_sap_info:
sap_address = "test for future"
user_access_info = []
for address in nsi_sap_info[current_sap["cpdId"]]:
for key in address.keys():
#user_info_dict = {'address':'','sapdId': '', 'vnfdId':''}
user_info_dict = {}
user_info_dict['address'] = address[key]
user_info_dict['sapdId'] = current_sap["cpdId"]
user_info_dict['vnfdId'] = key
user_access_info.append(user_info_dict)
new_sap = {
"sapInstanceId": "0",
"sapdId": current_sap["cpdId"],
"sapName": current_sap["cpdId"],
"description": current_sap["description"],
"address": sap_address,
"userAccessInfo": user_access_info
}
sap_list.append(new_sap)
return sap_list
def get_ns_sap_info(nsi_id, nsd_saps):
log_queue.put(
["DEBUG",
"get_ns_sap_info nsi_id:%s nsd_sap:%s" % (nsi_id, nsd_saps)])
sap_list = []
nsi_sap_info = ns_db.get_ns_sap_info(nsi_id)
if nsi_sap_info is None:
return None
log_queue.put([
"DEBUG",
"get_ns_sap_info nsi_id:%s nsi_sap:%s" % (nsi_id, nsi_sap_info)
])
for current_sap in nsd_saps:
if current_sap["cpdId"] in nsi_sap_info:
sap_address = nsi_sap_info[current_sap["cpdId"]]
user_access_info = {
"sapdId": current_sap["cpdId"],
"address": sap_address
}
new_sap = {
"sapInstanceId": "0",
"sapdId": current_sap["cpdId"],
"sapName": current_sap["cpdId"],
"description": current_sap["description"],
"address": sap_address,
"userAccessInfo": [user_access_info]
}
sap_list.append(new_sap)
log_queue.put([
"DEBUG",
"get_ns_sap_info output nsi_id:%s nsi_sap:%s" % (nsi_id, sap_list)
])
return sap_list
def instantiate_ns_process(nsId, body, nestedInfo=None):
"""
Function description
Parameters
----------
nsId: string
Identifier of the service
body: struct
Object having the deployment flavour and the instantiation level.
nsdIdc: string
Identifier of the nested service to be instantiated, only available when composing
Returns
-------
name: type
return description
"""
log_queue.put(["INFO", "*****Time measure: SOEc SOEc instantiating a NS"])
log_queue.put([
"INFO",
"SOEc instantiate_ns_process with nsId %s, body %s" % (nsId, body)
])
# get the nsdId that corresponds to nsId
nsdId = ns_db.get_nsdId(nsId)
if nestedInfo:
nsdId = next(iter(nestedInfo))
# first get the ns and vnfs descriptors
nsd_json = nsd_db.get_nsd_json(nsdId, None)
vnfds_json = {}
# for each vnf in the NSD, get its json descriptor
vnfdIds = nsd_json["nsd"]["vnfdId"]
vnfds_json = {}
for vnfdId in vnfdIds:
log_queue.put(["DEBUG", vnfdId])
vnfds_json[vnfdId] = vnfd_db.get_vnfd_json(vnfdId, None)
# request RO
rooe.instantiate_ns(nsId, nsd_json, vnfds_json, body, nestedInfo)
log_queue.put(
["INFO", "*****Time measure: SOEc updated databases instantiating"])
sap_info = ns_db.get_ns_sap_info(nsId)
if (len(sap_info) > 0):
log_queue.put(["INFO", "sapInfo: %s" % (sap_info)])
monitoring.configure_ns_monitoring(nsId, nsd_json, vnfds_json,
sap_info)
log_queue.put([
"INFO",
"instantiate_ns monitoring exporters created for nsId %s" % (nsId)
])
# initiate alerts
alert_configure.configure_ns_alerts(nsId, nsdId, nsd_json, vnfds_json,
sap_info)
log_queue.put([
"INFO",
"*****Time measure: SOEc created monitoring exporters and alerts"
])
log_queue.put([
"INFO",
"*****Time measure: SOEc instantiate_ns_process finished for nsId %s" %
(nsId)
])
def scale_ns_process(nsId, body):
"""
Performs the scaling of the service identified by "nsId" according to the info at body
Parameters
----------
nsId: string
Identifier of the Network Service Instance.
body: request body including scaling operation
Returns
-------
"""
log_queue.put(
["INFO",
"scale_ns_process with nsId %s, body %s" % (nsId, body)])
# get the nsdId that corresponds to nsId
nsdId = ns_db.get_nsdId(nsId)
# get current instantiation level
current_df = ns_db.get_ns_df(nsId)
current_il = ns_db.get_ns_il(nsId)
# first get the ns and vnfs descriptors
nsd_json = nsd_db.get_nsd_json(nsdId, None)
# for each vnf in the NSD, get its json descriptor
vnfdIds = nsd_json["nsd"]["vnfdId"]
vnfds_json = {}
for vnfdId in vnfdIds:
vnfds_json[vnfdId] = vnfd_db.get_vnfd_json(vnfdId, None)
#request RO
sap_info_pre_scaling = ns_db.get_ns_sap_info(nsId)
rooe.scale_ns(nsId, nsd_json, vnfds_json, body, current_df, current_il)
# maybe we have to update the monitoring jobs: we assume that new performance monitoring jobs
# will be similar to one already present
sap_info = ns_db.get_ns_sap_info(nsId)
log_queue.put(["INFO", "new sapInfo after scaling: %s" % (sap_info)])
monitoring.update_ns_monitoring(nsId, nsd_json, vnfds_json, sap_info)
log_queue.put([
"DEBUG",
"monitoring exporters updated after scaling for nsId %s" % (nsId)
])
# update alerts: it is not needed
log_queue.put(["INFO", "scale_ns_process finished for nsId %s" % (nsId)])
def instantiate_ns_process(nsId, body, nestedInfo=None):
"""
Function description
Parameters
----------
nsId: string
Identifier of the service
body: struct
Object having the deployment flavour and the instantiation level.
nsdIdc: string
Identifier of the nested service to be instantiated, only available when composing
Returns
-------
name: type
return description
"""
log_queue.put([
"INFO",
"*****Time measure for nsId: %s: SOEc SOEc instantiating a NS" % (nsId)
])
log_queue.put([
"INFO",
"SOEc instantiate_ns_process with nsId %s, body %s" % (nsId, body)
])
# get the nsdId that corresponds to nsId
nsdId = ns_db.get_nsdId(nsId)
if nestedInfo:
nsdId = next(iter(nestedInfo))
# first get the ns and vnfs descriptors
nsd_json = nsd_db.get_nsd_json(nsdId, None)
vnfds_json = {}
# for each vnf in the NSD, get its json descriptor
vnfdIds = nsd_json["nsd"]["vnfdId"]
vnfds_json = {}
for vnfdId in vnfdIds:
log_queue.put(["DEBUG", vnfdId])
vnfds_json[vnfdId] = vnfd_db.get_vnfd_json(vnfdId, None)
# request RO
log_queue.put([
"INFO",
"*****Time measure for nsId: %s: SOEc SOEc retreiving descriptors for a NS"
% (nsId)
])
rooe.instantiate_ns(nsId, nsd_json, vnfds_json, body, nestedInfo)
log_queue.put([
"INFO",
"*****Time measure for nsId: %s: SOEc SOEc-ROE updated DBs instantiating a NS"
% (nsId)
])
sap_info = ns_db.get_ns_sap_info(nsId)
if (len(sap_info) > 0):
log_queue.put(["INFO", "sapInfo: %s" % (sap_info)])
monitoring.configure_ns_monitoring(nsId, nsd_json, vnfds_json,
sap_info)
log_queue.put([
"INFO",
"*****Time measure for nsId: %s: SOEc SOEc finished configuring monitoring/dashboard"
% (nsId)
])
log_queue.put([
"INFO",
"instantiate_ns monitoring exporters created for nsId %s" % (nsId)
])
# initiate alerts
alert_configure.configure_ns_alerts(nsId, nsdId, nsd_json, vnfds_json,
sap_info)
log_queue.put([
"INFO",
"*****Time measure for nsId: %s: SOEc SOEc finished configuring Threshold-based alerts"
% (nsId)
])
# initiate aiml work for "scaling" problem
alert_configure.configure_ns_aiml_scale_work(nsId, nsdId, nsd_json,
vnfds_json, sap_info)
log_queue.put([
"INFO",
"*****Time measure for nsId: %s: SOEc SOEc finished configuring AIML alerts"
% (nsId)
])
log_queue.put([
"INFO",
"*****Time measure for nsId: %s: SOEc SOEc finished instantiating a NS"
% (nsId)
])
notification_db.create_notification_record({
"nsId":
nsId,
"type":
"fa-send",
"text":
nsId + " INSTANTIATED",
"time":
datetime.now().strftime("%d/%m/%Y %H:%M:%S.%f")
})
def scale_ns_process(nsId, body, nestedInfo=None):
"""
Performs the scaling of the service identified by "nsId" according to the info at body
Parameters
----------
nsId: string
Identifier of the Network Service Instance.
body: request body including scaling operation
Returns
-------
"""
log_queue.put([
"INFO",
"*****Time measure for nsId: %s: SOEc SOEc scaling a nested/regular NS"
% nsId
])
log_queue.put(
["INFO",
"scale_ns_process with nsId %s, body %s" % (nsId, body)])
# get the nsdId that corresponds to nsId
if nestedInfo:
nsdId = next(iter(nestedInfo))
current_df = nestedInfo[nsdId][0]
current_il = nestedInfo[nsdId][1]
else:
nsdId = ns_db.get_nsdId(nsId)
# get current instantiation level
current_df = ns_db.get_ns_df(nsId)
current_il = ns_db.get_ns_il(nsId)
# first get the ns and vnfs descriptors
nsd_json = nsd_db.get_nsd_json(nsdId, None)
# for each vnf in the NSD, get its json descriptor
vnfdIds = nsd_json["nsd"]["vnfdId"]
vnfds_json = {}
for vnfdId in vnfdIds:
vnfds_json[vnfdId] = vnfd_db.get_vnfd_json(vnfdId, None)
#request RO
sap_info_pre_scaling = ns_db.get_ns_sap_info(nsId)
log_queue.put([
"INFO",
"*****Time measure for nsId: %s: SOEc SOEc-ROE prepared info for scaling"
% (nsId)
])
rooe.scale_ns(nsId, nsd_json, vnfds_json, body, current_df, current_il,
nestedInfo)
log_queue.put([
"INFO",
"*****Time measure for nsId: %s: SOEc SOEc-ROE updated DBs scaling a NS"
% (nsId)
])
# checks the result of scaling, maybe it has not be done due to lack of resources
operationId = operation_db.get_operationId(nsId, "INSTANTIATION")
if ((operation_db.get_operation_status(operationId) == "SUCCESSFULLY_DONE")
and ns_db.get_ns_status(nsId) == "INSTANTIATED"):
# maybe we have to update the monitoring jobs: we assume that new performance monitoring jobs
# will be similar to one already present
sap_info = ns_db.get_ns_sap_info(nsId)
log_queue.put(["INFO", "new sapInfo after scaling: %s" % (sap_info)])
monitoring.update_ns_monitoring(nsId, nsd_json, vnfds_json, sap_info)
log_queue.put([
"INFO",
"*****Time measure for nsId: %s: SOEc SOEc updated monitoring info"
% nsId
])
log_queue.put([
"DEBUG",
"monitoring exporters updated after scaling for nsId %s" % (nsId)
])
# update alerts: it is not needed
# however, in the case of aiml_scaling it is needed, to restart the spark job
else:
if ns_db.get_ns_status(nsId) == "INSTANTIATED":
log_queue.put(
["DEBUG", "Scaling operation failed due to lack of resources"])
elif ns_db.get_ns_status(nsId) == "FAILED":
log_queue.put(
["DEBUG", "Scaling operation failed at the MANO platform"])
aiml_scaling_info = ns_db.get_aiml_info(nsId, "scaling")
if (aiml_scaling_info and (ns_db.get_ns_status(nsId) == "INSTANTIATED")):
log_queue.put(
["DEBUG", "The AIML platform is triggering the scaling operation"])
alert_configure.update_ns_aiml_scale_work(nsId, aiml_scaling_info)
log_queue.put([
"INFO",
"*****Time measure for nsId: %s: SOEc SOEc updated AIML alert job"
% nsId
])
log_queue.put(["INFO", "scale_ns_process finished for nsId %s" % (nsId)])
log_queue.put([
"INFO",
"*****Time measure for nsId: %s: SOEc SOEc finished scaling a nested/regular NS"
% (nsId)
])
notification_db.create_notification_record({
"nsId":
nsId,
"type":
"fa-gears",
"text":
nsId + " SCALED",
"time":
datetime.now().strftime("%d/%m/%Y %H:%M:%S.%f")
})