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# Copyright (C) 2018 Verizon. All Rights Reserved
#
# 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.
import logging
from drf_yasg.utils import swagger_auto_schema
from rest_framework import status
from rest_framework.response import Response
from rest_framework.views import APIView
from lcm.nf.biz.query_vnf_lcm_op_occ import QueryVnfLcmOpOcc
from lcm.nf.serializers.response import ProblemDetailsSerializer
from lcm.nf.serializers.vnf_lcm_op_occ import VNFLCMOpOccSerializer
from lcm.nf.serializers.vnf_lcm_op_occs import VNFLCMOpOccsSerializer
from lcm.pub.exceptions import NFLCMException
from .common import view_safe_call_with_log
from .common import deal_indivdual_query
logger = logging.getLogger(__name__)
EXCLUDE_DEFAULT = ['operationParams', 'error', 'resourceChanges', 'changedInfo', 'changedExtConnectivity']
VALID_FILTERS = ["all_fields", "fields", "exclude_fields", "exclude_default",
"id", "operationState", "stateEnteredTime", "startTime",
"vnfInstanceId", "grantId", "operation"]
def get_problem_details_serializer(status_code, error_message):
problem_details = {
"status": status_code,
"detail": error_message
}
problem_details_serializer = ProblemDetailsSerializer(data=problem_details)
problem_details_serializer.is_valid()
return problem_details_serializer
class QueryMultiVnfLcmOpOccs(APIView):
@swagger_auto_schema(
responses={
status.HTTP_200_OK: VNFLCMOpOccsSerializer(),
status.HTTP_400_BAD_REQUEST: ProblemDetailsSerializer(),
status.HTTP_500_INTERNAL_SERVER_ERROR: ProblemDetailsSerializer()
}
)
@view_safe_call_with_log(logger=logger)
def get(self, request):
logger.debug("QueryMultiVnfLcmOpOccs--get::> %s" % request.query_params)
if request.query_params and not set(request.query_params).issubset(set(VALID_FILTERS)):
problem_details_serializer = get_problem_details_serializer(status.HTTP_400_BAD_REQUEST, "Not a valid filter")
return Response(data=problem_details_serializer.data, status=status.HTTP_400_BAD_REQUEST)
resp_data = QueryVnfLcmOpOcc(request.query_params).query_multi_vnf_lcm_op_occ()
vnf_lcm_op_occs_serializer = VNFLCMOpOccsSerializer(data=resp_data)
if not vnf_lcm_op_occs_serializer.is_valid():
raise NFLCMException(vnf_lcm_op_occs_serializer.errors)
logger.debug("QueryMultiVnfLcmOpOccs--get::> Remove default fields if exclude_default" +
" is specified")
# TODO(bharath): Add support for "fields", "exclude_fields" in query parameters
if 'exclude_default' in request.query_params.keys():
for field in EXCLUDE_DEFAULT:
for lcm_op in vnf_lcm_op_occs_serializer.data:
del lcm_op[field]
return Response(data=vnf_lcm_op_occs_serializer.data, status=status.HTTP_200_OK)
class QuerySingleVnfLcmOpOcc(APIView):
@swagger_auto_schema(
responses={
status.HTTP_200_OK: VNFLCMOpOccSerializer(),
status.HTTP_500_INTERNAL_SERVER_ERROR: ProblemDetailsSerializer()
}
)
@view_safe_call_with_log(logger=logger)
def get(self, request, lcmopoccid):
logger.debug("QuerySingleVnfLcmOpOcc--get::> %s" % request.query_params)
return deal_indivdual_query(res_serializer=VNFLCMOpOccSerializer,
query_fun=QueryVnfLcmOpOcc(
data=request.data,
lcm_op_occ_id=lcmopoccid).query_single_vnf_lcm_op_occ)
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