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# -------------------------------------------------------------------------
# Copyright (C) 2020 Wipro Limited.
#
# 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.
#
# -------------------------------------------------------------------------
#
from jinja2 import Template
from apps.nxi_termination.optimizers.response_processor import get_nxi_termination_response
from osdf.adapters.aai.fetch_aai_data import AAIException
from osdf.adapters.aai.fetch_aai_data import execute_dsl_query
from osdf.logging.osdf_logging import debug_log
def process_nxi_termination_opt(request_json, osdf_config):
"""Process the nxi Termination request from API layer
:param request_json: api request
:param osdf_config: configuration specific to OSDF app
:return: response as a success,failure
"""
request_type = request_json["type"]
request_info = request_json.get("requestInfo", {})
addtnl_args = request_info.get("addtnlArgs", {})
query_templates = osdf_config.core["nxi_termination"]["query_templates"]
inputs = {
"instance_id": request_json["NxIId"]
}
try:
if request_type == "NSI":
query_type = "nsi"
if addtnl_args and "serviceProfileId" in addtnl_args:
inputs["profile_id"] = addtnl_args["serviceProfileId"]
query_type = "nsi_with_profile"
else:
query_type = "nssi"
if addtnl_args and "serviceInstanceId" in addtnl_args:
inputs["nsi_id"] = addtnl_args["serviceInstanceId"]
query_type = "nssi_with_nsi"
debug_log.debug("query type: {}".format(query_type))
resource_count = get_resource_count(query_templates[query_type], inputs, osdf_config)
if query_type not in ["nsi", "nssi"]:
# if additional args is provided, it must have exactly one resource in its relationships
resource_count = resource_count - 1
return set_response("success", "", request_info, resource_count <= 0)
except AAIException as e:
reason = str(e)
return set_response("failure", reason, request_info)
except Exception as e:
reason = "{} Exception Occurred while processing".format(str(e))
return set_response("failure", reason, request_info)
def set_response(status, reason, request_info, terminate_response=None):
res = dict()
res["requestStatus"] = status
res["terminateResponse"] = terminate_response
res["reason"] = reason
return get_nxi_termination_response(request_info, res)
def get_resource_count(query_template, inputs, osdf_config):
query = Template(query_template).render(inputs)
dsl_response = execute_dsl_query(query, "count", osdf_config)
debug_log.debug("dsl_response {}".format(dsl_response))
# the dsl query with format "count" includes the original service-instance, hence reducing one from the result
return dsl_response["results"][0]["service-instance"] - 1
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