def main():
# empty databases
empty_nsd_collection()
empty_vnfd_collection()
empty_ns_collection()
empty_operation_collection()
empty_resources_collection()
empty_nsir_collection()
empty_notification_collection()
empty_osm_collection()
# path to descriptors folders
path = "../../descriptors/"
# list of file names that contain ns and vnf descriptors
ns_descriptors = ["CDN_all_NSD_0_4.json"]
vnf_descriptors = [
"CDN_SPR1_VNFD_0_2.json", "CDN_SPR21_VNFD_0_2.json",
"CDN_SPR22_VNFD_0_2.json", "CDN_WEBSERVER_VNFD_0_2.json"
]
# NSD SECTION
# correspondance of nsdId and nsdCloudifyId
nsdCloudifyId = {"vCDN_v02": "unknown"}
# for each nsd create record to be inserted
nsd_json = {} # load json file here
for nsd_file in ns_descriptors:
with open(path + nsd_file) as nsd_json:
nsd_json = load(nsd_json)
nsd_record = {
"nsdId": nsd_json["nsd"]["nsdIdentifier"],
"nsdCloudifyId": nsdCloudifyId[nsd_json["nsd"]["nsdIdentifier"]],
"version": nsd_json["nsd"]["version"],
"nsdName": nsd_json["nsd"]["nsdName"],
"nsdJson": nsd_json
}
insert_nsd(nsd_record)
# VNFD SECTION
# for each nsd create record to be inserted
vnfd_json = {} # load json file here
for vnfd_file in vnf_descriptors:
with open(path + vnfd_file) as vnfd_json:
vnfd_json = load(vnfd_json)
vnfd_record = {
"vnfdId": vnfd_json["vnfdId"],
"vnfdVersion": vnfd_json["vnfdVersion"],
"vnfdName": vnfd_json["vnfProductName"],
"vnfdJson": vnfd_json
}
insert_vnfd(vnfd_record)
log_process.terminate()
def onboard_vnfd(body):
"""
Function to onboard the VNFD, including the downloading from the url specified in the input.
Parameters
----------
body: dict
IFA013 request to onboard a vnfd.
Returns
-------
info: dict
Dictionary with the IFA013 answer to the vnfd onboarding process
"""
log_queue.put(["INFO", "vnf_package_path: %s" % body.vnf_package_path])
filename = wget.download(body.vnf_package_path)
tf = tarfile.open(filename)
tf.extractall()
with tf as _tar:
for member in _tar:
if member.isdir():
continue
print(member.name)
if member.name.find("json"):
fname = member.name
break
# upload it in the vnfd_db
if (fname):
with open(fname) as vnfd_json:
vnfd_json = load(vnfd_json)
vnfd_record = {
"vnfdId": vnfd_json["vnfdId"],
"vnfdVersion": vnfd_json["vnfdVersion"],
"vnfdName": vnfd_json["vnfProductName"],
"vnfdJson": vnfd_json
}
if vnfd_db.exists_vnfd(vnfd_json["vnfdId"], vnfd_json["vnfdVersion"]):
vnfd_db.delete_vnfd_json(vnfd_json["vnfdId"])
# then insert it again (creation or "update")
vnfd_db.insert_vnfd(vnfd_record)
# upload the descriptor in the MANO platform
onboard_vnfd_mano(vnfd_json)
# create the answer
info = {
"onboardedVnfPkgInfoId": vnfd_record["vnfdId"],
"vnfId": vnfd_record["vnfdId"]
}
# remove the tar package and the json file
os.remove(fname)
return info
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'))