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# Copyright 2017 ZTE Corporation.
#
# 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 json
import logging
import traceback
from drf_yasg import openapi
from drf_yasg.utils import swagger_auto_schema
from rest_framework import status
from rest_framework.decorators import api_view
from rest_framework.response import Response
from rest_framework.views import APIView
from mgr.pub.database.models import VnfRegModel
from mgr.pub.utils import restcall
from mgr.pub.utils.syscomm import fun_name
from mgr.pub.utils.values import ignore_case_get
from mgr.vnfreg.serializers import VnfInfoSerializer, ResponseSerializer, VnfConfigSerializer
logger = logging.getLogger(__name__)
class vnfmgr_addvnf(APIView):
@swagger_auto_schema(request_body=VnfInfoSerializer(),
responses={
status.HTTP_201_CREATED: ResponseSerializer(),
status.HTTP_500_INTERNAL_SERVER_ERROR: 'internal error'})
def post(self, request):
logger.info("Enter %s, data is %s", fun_name(), request.data)
try:
request_serializer = VnfInfoSerializer(data=request.data)
if not request_serializer.is_valid():
raise Exception(request_serializer.errors)
requestData = request_serializer.data
vnf_inst_id = ignore_case_get(requestData, "vnfInstId")
if VnfRegModel.objects.filter(id=vnf_inst_id):
raise Exception("Vnf(%s) already exists." % vnf_inst_id)
VnfRegModel(
id=vnf_inst_id,
ip=ignore_case_get(requestData, "ip"),
port=ignore_case_get(requestData, "port"),
username=ignore_case_get(requestData, "username"),
password=ignore_case_get(requestData, "password")).save()
response_serializer = ResponseSerializer(data={"vnfInstId": vnf_inst_id})
if not response_serializer.is_valid():
raise Exception(response_serializer.errors)
return Response(data=response_serializer.data, status=status.HTTP_201_CREATED)
except Exception as e:
logger.error(e.args[0])
logger.error(traceback.format_exc())
return Response(data={'error': e.args[0]}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
@swagger_auto_schema(method='put',
request_body=VnfInfoSerializer(),
responses={
status.HTTP_202_ACCEPTED: 'successfully',
status.HTTP_500_INTERNAL_SERVER_ERROR: 'internal error'})
@swagger_auto_schema(method='delete',
responses={
status.HTTP_204_NO_CONTENT: 'successfully',
status.HTTP_500_INTERNAL_SERVER_ERROR: 'internal error'})
@swagger_auto_schema(methods=['get'],
manual_parameters=[
openapi.Parameter('test',
openapi.IN_QUERY,
"test manual param",
type=openapi.TYPE_BOOLEAN
), ],
responses={
status.HTTP_200_OK: openapi.Response('response description', VnfInfoSerializer()),
status.HTTP_500_INTERNAL_SERVER_ERROR: 'internal error'})
@api_view(http_method_names=['GET', 'PUT', 'DELETE'])
def access_vnf(request, *args, **kwargs):
vnf_inst_id = ignore_case_get(kwargs, "vnfInstId")
logger.info("Enter %s, method is %s, ", fun_name(), request.method)
logger.info("vnfInstId is %s, data is %s", vnf_inst_id, request.data)
try:
vnf = VnfRegModel.objects.filter(id=vnf_inst_id)
if not vnf:
err_msg = "Vnf(%s) does not exist." % vnf_inst_id
return Response(data={'error': err_msg}, status=status.HTTP_404_NOT_FOUND)
if request.method == 'GET':
resp = {
"vnfInstId": vnf_inst_id,
"ip": vnf[0].ip,
"port": vnf[0].port,
"username": vnf[0].username,
"password": vnf[0].password
}
response_serializer = VnfInfoSerializer(data=resp)
if not response_serializer.is_valid():
raise Exception(response_serializer.errors)
return Response(data=response_serializer.data, status=status.HTTP_200_OK)
elif request.method == 'PUT':
request_serializer = VnfInfoSerializer(data=request.data)
if not request_serializer.is_valid():
raise Exception(request_serializer.errors)
requestData = request_serializer.data
ip = ignore_case_get(requestData, "ip")
port = ignore_case_get(requestData, "port")
username = ignore_case_get(requestData, "username")
password = ignore_case_get(requestData, "password")
if ip:
vnf[0].ip = ip
if port:
vnf[0].port = port
if username:
vnf[0].username = username
if password:
vnf[0].password = password
vnf[0].save()
return Response(data={}, status=status.HTTP_202_ACCEPTED)
else:
vnf.delete()
return Response(data={}, status=status.HTTP_204_NO_CONTENT)
except Exception as e:
logger.error(e.args[0])
logger.error(traceback.format_exc())
return Response(data={'error': e.args[0]}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
@swagger_auto_schema(method='post',
request_body=VnfConfigSerializer(),
responses={
status.HTTP_202_ACCEPTED: 'successfully',
status.HTTP_500_INTERNAL_SERVER_ERROR: 'internal error'})
@api_view(http_method_names=['POST'])
def vnf_config(request, *args, **kwargs):
logger.info("Enter %s, data is %s", fun_name(), request.data)
try:
request_serializer = VnfConfigSerializer(data=request.data)
if not request_serializer.is_valid():
raise Exception(request_serializer.errors)
requestData = request_serializer.data
vnf_inst_id = ignore_case_get(requestData, "vnfInstanceId")
vnf = VnfRegModel.objects.filter(id=vnf_inst_id)
if not vnf:
raise Exception("Vnf(%s) does not exist." % vnf_inst_id)
ret = restcall.call_req(
base_url="http://%s:%s/" % (vnf[0].ip, vnf[0].port),
user=vnf[0].username,
passwd=vnf[0].password,
auth_type=restcall.rest_no_auth,
resource="v1/vnfconfig",
method="POST",
content=json.dumps(requestData))
if ret[0] != 0:
raise Exception("Failed to config Vnf(%s): %s" % (vnf_inst_id, ret[1]))
return Response(data={}, status=status.HTTP_202_ACCEPTED)
except Exception as e:
logger.error(e.args[0])
logger.error(traceback.format_exc())
return Response(data={'error': e.args[0]}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
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