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 query_vnfd(vnfdId, version):
"""
Function to get the IFA014 json of the VNFD defined by vnfdId and version.
Parameters
----------
vnfdId: string
Identifier of the virtual network function descriptor.
version: string
Version of the virtual network function descriptor.
Returns
-------
dict
virtual network function IFA014 json descriptor
"""
vnfd_json = vnfd_db.get_vnfd_json(vnfdId, version)
if vnfd_json is None:
return 404
return vnfd_json
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):
"""
Function description
Parameters
----------
param1: type
param1 description
Returns
-------
name: type
return description
"""
log_queue.put([
"DEBUG",
"instantiate_ns_process with nsId %s, body %s" % (nsId, body)
])
# get the nsdId that corresponds to nsId
nsdId = ns_db.get_nsdId(nsId)
# first get the ns and vnfs descriptors
nsd_json = nsd_db.get_nsd_json(nsdId, "0.2")
log_queue.put([
"DEBUG",
"instantiate_ns_process with nsId %s, body %s" % (nsId, body)
])
log_queue.put(["DEBUG", "NSD:"])
log_queue.put(["DEBUG", dumps(nsd_json, indent=4)])
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)
log_queue.put(["DEBUG", "VNFDs:"])
log_queue.put(["DEBUG", dumps(vnfds_json, indent=4)])
# request RO
rooe.instantiate_ns(nsId, nsd_json, vnfds_json, body)
def descriptor_viewer():
"""
This function just responds to the browser Url
:return: the rendered template 'descriptor.html'
"""
if request.method == 'POST':
try:
already_onboarded_in_so = False
# retrieving the IFA descriptor
# print(request.form, request.files)
if 'convert_text' in request.form:
ifa_json = json.loads(request.form['convert_text'])
elif 'file_to_convert' in request.files:
f = request.files['file_to_convert']
response = f.read()
ifa_json = json.loads(response.decode('utf-8'))
elif 'show_json' in request.form:
ifa_json = eval(request.form['show_json'])
already_onboarded_in_so = True
elif 'onboard_json' in request.form:
ifa_json = eval(request.form['onboard_json'])
record = {}
if 'nsd' in ifa_json:
# nsd case
if 'vnfdId' in ifa_json['nsd']:
record = {
"nsdId": ifa_json["nsd"]["nsdIdentifier"],
"nsdCloudifyId": {},
"version": ifa_json["nsd"]["version"],
"nsdName": ifa_json["nsd"]["nsdName"],
"nsdJson": ifa_json,
"shareable": True,
"domain": "local"
}
if nsd_db.get_nsd_json(nsdId=record['nsdId']) is None:
nsd_db.insert_nsd(record)
message = {
"Success":
'nsdId : {} onboarded on SO with success!'.
format(record['nsdId'])
}
else:
log_queue.put(
["DEBUG", 'nsdId already in the SO DB'])
raise ValueError('nsdId already in the SO DB')
# nsd-composite case
else:
record = {
"nsdId": ifa_json["nsd"]["nsdIdentifier"],
"nsdCloudifyId": {},
"version": ifa_json["nsd"]["version"],
"nsdName": ifa_json["nsd"]["nsdName"],
"nsdJson": ifa_json,
"shareable": False,
"domain": "Composite"
}
if nsd_db.get_nsd_json(nsdId=record['nsdId']) is None:
nsd_db.insert_nsd(record)
message = {
"Success":
'nsdId : {} onboarded on SO with success!'.
format(record['nsdId'])
}
else:
log_queue.put(
["DEBUG", 'nsdId already in the SO DB'])
raise ValueError('nsdId already in the SO DB')
# vnfd case
else:
record = {
"vnfdId": ifa_json["vnfdId"],
"vnfdVersion": ifa_json["vnfdVersion"],
"vnfdName": ifa_json["vnfProductName"],
"vnfdJson": ifa_json
}
if vnfd_db.get_vnfd_json(
vnfdId=ifa_json["vnfdId"]) is None:
vnfd_db.insert_vnfd(record)
message = {
'Success':
'vnfdId : {} onboarded on SO with success!'.format(
record['vnfdId'])
}
else:
log_queue.put(["DEBUG", 'vnfdId already in the SO DB'])
raise ValueError('vnfdId already in the SO DB')
log_queue.put(["INFO", message["Success"]])
flash(message['Success'], 'success')
already_onboarded_in_so = True
else:
raise ValueError('No text/file valid')
if 'nsd' in ifa_json:
if 'vnfdId' in ifa_json['nsd']:
# convert a NSD
list_osm_json, default_index = gui_utils.ifa014_conversion(
ifa_json)
default_osm_json = list_osm_json[default_index]
osm_json_network = []
for level in list_osm_json:
osm_json_network.append(
json_graph.node_link_data(
gui_utils.json_network_nsd(level)))
descriptor_type = 'nsd'
else:
# convert a composite NSD
list_osm_json, default_index = gui_utils.composite_desc_conversion(
ifa_json)
default_osm_json = list_osm_json[default_index]
osm_json_network = []
for level in list_osm_json:
osm_json_network.append(
json_graph.node_link_data(
gui_utils.json_network_composite_nsd(level)))
descriptor_type = 'nsd-composite'
else:
# convert a VNFD
list_osm_json = [gui_utils.ifa011_conversion(ifa_json)]
default_osm_json = list_osm_json[
0] # done in case of possible list of ifa vnfd conversion
osm_json_network = [
json_graph.node_link_data(
gui_utils.json_network_vnfd(default_osm_json))
]
descriptor_type = 'vnfd'
yaml_descriptor_list = []
for osm_json in list_osm_json:
yaml_descriptor_list.append(
yaml.safe_dump(osm_json, default_flow_style=False))
yaml_ifa_descriptor = yaml.safe_dump(ifa_json,
default_flow_style=False)
return render_template(
'descriptor.html',
html_title='Descriptor Viewer',
descriptor_type=descriptor_type,
yaml_network=osm_json_network,
list_osm_json=list_osm_json,
yaml_osm_descriptor=yaml_descriptor_list,
yaml_ifa_descriptor=yaml_ifa_descriptor,
ifa_json=ifa_json,
already_onboarded_in_so=already_onboarded_in_so)
except (TypeError, KeyError, ValueError) as error:
message = {'Error': 'Error: {}'.format(error)}
log_queue.put(["ERROR", message['Error']])
flash(message['Error'], 'danger')
return redirect(url_for('home'))
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")
})