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# ============LICENSE_START=======================================================
# Copyright (C) 2021 Orange
# ================================================================================
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# ============LICENSE_END=========================================================
import logging
from config import Config, VariablesDict
from instantiate import get_customer, check_orchestration_status
from onapsdk.exceptions import ResourceNotFound, APIError
from onapsdk.aai.business import ServiceInstance
logger = logging.getLogger()
logger.setLevel(logging.DEBUG)
def get_service_subscription(customer, service_type):
try:
service_subscription = customer.get_service_subscription_by_service_type(
service_type=service_type)
return service_subscription
except ResourceNotFound:
logger.error("Service Subscription not found")
exit(1)
def get_service_instance(service_subscription, service_instance_name):
try:
service_instance = service_subscription.get_service_instance_by_name(
service_instance_name=service_instance_name)
return service_instance
except ResourceNotFound:
logger.error("Service Instance not found")
exit(1)
def delete_service_macro(service_instance: ServiceInstance, service_instance_info):
vnf_infos_list = []
for index, vnf_info in enumerate(service_instance_info["vnfs"]):
if not vnf_info.get("vnf_name_suffix"):
vnf_info["vnf_name_suffix"] = str(index)
vnf_info["instance_name"] = f"Instance_{vnf_info['model_name']}_{vnf_info['vnf_name_suffix']}"
vnf_infos_list.append(vnf_info)
ordered_vnf_instances = sorted(vnf_infos_list,
key=lambda _vnf: _vnf.get("processing_priority", 100),
reverse=True)
delete_vnfs_instances(service_instance, ordered_vnf_instances)
return check_orchestration_status(service_instance.delete(a_la_carte=False))
def delete_vnfs_instances(service_instance: ServiceInstance, ordered_vnf_instances):
for vnf in ordered_vnf_instances:
vnf_name = vnf.get("instance_name")
vnf_instance = next((vnf_instance
for vnf_instance in service_instance.vnf_instances
if vnf_instance.vnf_name == vnf_name), None)
if not vnf_instance:
continue
try:
vnf_deletion = vnf_instance.delete(a_la_carte=False)
except APIError:
logger.error("Operation not supported, whole service instance will be deleted with random order")
break
check_orchestration_status(vnf_deletion)
return
def delete_service_alacarte(service_instance):
for vnf in service_instance.vnf_instances:
for vf_module in vnf.vf_modules:
vf_module_deletion = vf_module.delete()
check_orchestration_status(vf_module_deletion)
vnf_deletion = vnf.delete()
check_orchestration_status(vnf_deletion)
service_deletion = service_instance.delete(a_la_carte=True)
check_orchestration_status(service_deletion)
def main():
logger.info("*******************************")
logger.info("**** SERVICE DELETION ****")
logger.info("*******************************")
config = Config(env_dict=VariablesDict.env_variable)
logger.info("******** GET Customer *******")
customer = get_customer(config.service_instance["customer_id"])
logger.info("******** Check Service Subscription *******")
service_subscription = get_service_subscription(customer, config.service_instance["model_name"])
logger.info("******** Get Service Instance details *******")
service_instance = get_service_instance(service_subscription, config.service_instance["instance_name"])
logger.info("******** Delete Service %s *******", service_instance.instance_name)
if config.service_model["macro_orchestration"]:
# if config.service_instance.get("deletion_policy") in ('InstantiationOrder', 'ReverseInstantiationOrder'):
# delete_service_macro_delete_policy(service_instance, config.service_instance)
# else:
delete_service_macro(service_instance, config.service_instance)
else:
logger.error("A_la_carte orchestration method not updated")
if config.service_model["pnfs"] is not None:
raise NotImplementedError
else:
delete_service_alacarte(service_instance)
if __name__ == "__main__":
sh = logging.StreamHandler()
sh_formatter = logging.Formatter('%(asctime)s %(levelname)s %(lineno)d:%(filename)s(%(process)d) - %(message)s')
sh.setFormatter(sh_formatter)
logger.addHandler(sh)
main()
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