diff options
| -rw-r--r-- | lcm/lcm/nf/urls.py | 2 | ||||
| -rw-r--r-- | lcm/lcm/nf/views/scale_vnf_view.py | 83 |
2 files changed, 85 insertions, 0 deletions
diff --git a/lcm/lcm/nf/urls.py b/lcm/lcm/nf/urls.py index fd0aaae9..c056eed7 100644 --- a/lcm/lcm/nf/urls.py +++ b/lcm/lcm/nf/urls.py @@ -20,6 +20,7 @@ from lcm.nf.views.terminate_vnf_view import TerminateVnfView from lcm.nf.views.subscriptions_view import SubscriptionsView from lcm.nf.views.heal_vnf_view import HealVnfView from lcm.nf.views.operate_vnf_view import OperateVnfView +from lcm.nf.views.scale_vnf_view import ScaleVnfView from lcm.nf.views.lcm_op_occs_view import QueryMultiVnfLcmOpOccs, QuerySingleVnfLcmOpOcc urlpatterns = [ @@ -30,6 +31,7 @@ urlpatterns = [ url(r'^api/vnflcm/v1/vnf_instances/(?P<instanceid>[0-9a-zA-Z_-]+)/terminate$', TerminateVnfView.as_view()), url(r'^api/vnflcm/v1/vnf_instances/(?P<instanceid>[0-9a-zA-Z_-]+)/heal$', HealVnfView.as_view()), url(r'^api/vnflcm/v1/vnf_instances/(?P<instanceid>[0-9a-zA-Z_-]+)/operate$', OperateVnfView.as_view()), + url(r'^vnf_instances/(?P<instanceid>[0-9a-zA-Z_-]+)/scale$', ScaleVnfView.as_view()), url(r'^api/vnflcm/v1/vnf_lcm_op_occs$', QueryMultiVnfLcmOpOccs.as_view()), url(r'^api/vnflcm/v1/vnf_lcm_op_occs/(?P<lcmopoccid>[0-9a-zA-Z_-]+)$', QuerySingleVnfLcmOpOcc.as_view()), ] diff --git a/lcm/lcm/nf/views/scale_vnf_view.py b/lcm/lcm/nf/views/scale_vnf_view.py new file mode 100644 index 00000000..20ef95d0 --- /dev/null +++ b/lcm/lcm/nf/views/scale_vnf_view.py @@ -0,0 +1,83 @@ +# Copyright (C) 2019 ZTE. 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 +import traceback + +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.serializers.scale_vnf_request import ScaleVnfRequestSerializer +from lcm.nf.serializers.response import ProblemDetailsSerializer +from lcm.pub.exceptions import NFLCMException, NFLCMExceptionNotFound, NFLCMExceptionConflict +from lcm.pub.utils.jobutil import JobUtil +from lcm.pub.database.models import NfInstModel +from lcm.nf.const import VNF_STATUS + +logger = logging.getLogger(__name__) + + +class ScaleVnfView(APIView): + @swagger_auto_schema( + request_body=ScaleVnfRequestSerializer(), + responses={ + status.HTTP_202_ACCEPTED: "Success", + status.HTTP_404_NOT_FOUND: ProblemDetailsSerializer(), + status.HTTP_409_CONFLICT: ProblemDetailsSerializer(), + status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error" + } + ) + def post(self, request, instanceid): + logger.debug("ScaleVnf--post::> %s" % request.data) + try: + scale_vnf_request_serializer = ScaleVnfRequestSerializer(data=request.data) + if not scale_vnf_request_serializer.is_valid(): + raise NFLCMException(scale_vnf_request_serializer.errors) + + job_id = JobUtil.create_job('NF', 'SCALE', instanceid) + JobUtil.add_job_status(job_id, 0, "SCALE_VNF_READY") + self.scale_pre_check(instanceid, job_id) + # TODO: do scale logic + response = Response(data={"jobId": job_id}, status=status.HTTP_202_ACCEPTED) + return response + except NFLCMExceptionNotFound as e: + probDetail = ProblemDetailsSerializer(data={"status": status.HTTP_404_NOT_FOUND, "detail": "VNF Instance not found"}) + resp_isvalid = probDetail.is_valid() + if not resp_isvalid: + raise NFLCMException(probDetail.errors) + return Response(data=probDetail.data, status=status.HTTP_404_NOT_FOUND) + except NFLCMExceptionConflict as e: + probDetail = ProblemDetailsSerializer(data={"status": status.HTTP_409_CONFLICT, "detail": "VNF Instance not in Instantiated State"}) + resp_isvalid = probDetail.is_valid() + if not resp_isvalid: + raise NFLCMException(probDetail.errors) + return Response(data=probDetail.data, status=status.HTTP_409_CONFLICT) + except NFLCMException as e: + logger.error(e.message) + return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR) + except Exception as e: + logger.error(e.message) + logger.error(traceback.format_exc()) + return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR) + + def scale_pre_check(self, nf_inst_id, job_id): + vnf_insts = NfInstModel.objects.filter(nfinstid=nf_inst_id) + if not vnf_insts.exists(): + raise NFLCMExceptionNotFound("VNF nf_inst_id does not exist.") + + NfInstModel.objects.filter(nfinstid=nf_inst_id).update(status=VNF_STATUS.SCALING) + JobUtil.add_job_status(job_id, 15, 'Nf scaling pre-check finish') + logger.info("Nf scaling pre-check finish") |