mgr/mgr/vnfreg/views.py

   1 # Copyright 2017 ZTE Corporation.
   2 #
   3 # Licensed under the Apache License, Version 2.0 (the "License");
   4 # you may not use this file except in compliance with the License.
   5 # You may obtain a copy of the License at
   6 #
   7 #         http://www.apache.org/licenses/LICENSE-2.0
   8 #
   9 # Unless required by applicable law or agreed to in writing, software
  10 # distributed under the License is distributed on an "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 # See the License for the specific language governing permissions and
  13 # limitations under the License.
  14
  15 import json
  16 import logging
  17 import traceback
  18
  19 from drf_yasg import openapi
  20 from drf_yasg.utils import swagger_auto_schema
  21 from rest_framework import status
  22 from rest_framework.decorators import api_view
  23 from rest_framework.response import Response
  24 from rest_framework.views import APIView
  25
  26 from mgr.pub.database.models import VnfRegModel
  27 from mgr.pub.utils import restcall
  28 from mgr.pub.utils.syscomm import fun_name
  29 from mgr.pub.utils.values import ignore_case_get
  30 from mgr.vnfreg.serializers import VnfInfoSerializer, ResponseSerializer, VnfConfigSerializer
  31
  32 logger = logging.getLogger(__name__)
  33
  34
  35 class vnfmgr_addvnf(APIView):
  36     @swagger_auto_schema(request_body=VnfInfoSerializer(),
  37                          responses={
  38                              status.HTTP_201_CREATED: ResponseSerializer(),
  39                              status.HTTP_500_INTERNAL_SERVER_ERROR: 'internal error'})
  40     def post(self, request):
  41         logger.info("Enter %s, data is %s", fun_name(), request.data)
  42         try:
  43             request_serializer = VnfInfoSerializer(data=request.data)
  44             if not request_serializer.is_valid():
  45                 raise Exception(request_serializer.errors)
  46
  47             requestData = request_serializer.data
  48             vnf_inst_id = ignore_case_get(requestData, "vnfInstId")
  49             if VnfRegModel.objects.filter(id=vnf_inst_id):
  50                 raise Exception("Vnf(%s) already exists." % vnf_inst_id)
  51             VnfRegModel(
  52                 id=vnf_inst_id,
  53                 ip=ignore_case_get(requestData, "ip"),
  54                 port=ignore_case_get(requestData, "port"),
  55                 username=ignore_case_get(requestData, "username"),
  56                 password=ignore_case_get(requestData, "password")).save()
  57
  58             response_serializer = ResponseSerializer(data={"vnfInstId": vnf_inst_id})
  59             if not response_serializer.is_valid():
  60                 raise Exception(response_serializer.errors)
  61
  62             return Response(data=response_serializer.data, status=status.HTTP_201_CREATED)
  63         except Exception as e:
  64             logger.error(e.args[0])
  65             logger.error(traceback.format_exc())
  66             return Response(data={'error': e.args[0]}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  67
  68
  69 @swagger_auto_schema(method='put',
  70                      request_body=VnfInfoSerializer(),
  71                      responses={
  72                          status.HTTP_202_ACCEPTED: 'successfully',
  73                          status.HTTP_500_INTERNAL_SERVER_ERROR: 'internal error'})
  74 @swagger_auto_schema(method='delete',
  75                      responses={
  76                          status.HTTP_204_NO_CONTENT: 'successfully',
  77                          status.HTTP_500_INTERNAL_SERVER_ERROR: 'internal error'})
  78 @swagger_auto_schema(methods=['get'],
  79                      manual_parameters=[
  80                          openapi.Parameter('test',
  81                                            openapi.IN_QUERY,
  82                                            "test manual param",
  83                                            type=openapi.TYPE_BOOLEAN
  84                                            ), ],
  85                      responses={
  86                          status.HTTP_200_OK: openapi.Response('response description', VnfInfoSerializer()),
  87                          status.HTTP_500_INTERNAL_SERVER_ERROR: 'internal error'})
  88 @api_view(http_method_names=['GET', 'PUT', 'DELETE'])
  89 def access_vnf(request, *args, **kwargs):
  90     vnf_inst_id = ignore_case_get(kwargs, "vnfInstId")
  91     logger.info("Enter %s, method is %s, ", fun_name(), request.method)
  92     logger.info("vnfInstId is %s, data is %s", vnf_inst_id, request.data)
  93     try:
  94         vnf = VnfRegModel.objects.filter(id=vnf_inst_id)
  95         if not vnf:
  96             err_msg = "Vnf(%s) does not exist." % vnf_inst_id
  97             return Response(data={'error': err_msg}, status=status.HTTP_404_NOT_FOUND)
  98         if request.method == 'GET':
  99             resp = {
 100                 "vnfInstId": vnf_inst_id,
 101                 "ip": vnf[0].ip,
 102                 "port": vnf[0].port,
 103                 "username": vnf[0].username,
 104                 "password": vnf[0].password
 105             }
 106             response_serializer = VnfInfoSerializer(data=resp)
 107             if not response_serializer.is_valid():
 108                 raise Exception(response_serializer.errors)
 109
 110             return Response(data=response_serializer.data, status=status.HTTP_200_OK)
 111         elif request.method == 'PUT':
 112             request_serializer = VnfInfoSerializer(data=request.data)
 113             if not request_serializer.is_valid():
 114                 raise Exception(request_serializer.errors)
 115
 116             requestData = request_serializer.data
 117             ip = ignore_case_get(requestData, "ip")
 118             port = ignore_case_get(requestData, "port")
 119             username = ignore_case_get(requestData, "username")
 120             password = ignore_case_get(requestData, "password")
 121             if ip:
 122                 vnf[0].ip = ip
 123             if port:
 124                 vnf[0].port = port
 125             if username:
 126                 vnf[0].username = username
 127             if password:
 128                 vnf[0].password = password
 129             vnf[0].save()
 130             return Response(data={}, status=status.HTTP_202_ACCEPTED)
 131         else:
 132             vnf.delete()
 133             return Response(data={}, status=status.HTTP_204_NO_CONTENT)
 134
 135     except Exception as e:
 136         logger.error(e.args[0])
 137         logger.error(traceback.format_exc())
 138         return Response(data={'error': e.args[0]}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 139
 140
 141 @swagger_auto_schema(method='post',
 142                      request_body=VnfConfigSerializer(),
 143                      responses={
 144                          status.HTTP_202_ACCEPTED: 'successfully',
 145                          status.HTTP_500_INTERNAL_SERVER_ERROR: 'internal error'})
 146 @api_view(http_method_names=['POST'])
 147 def vnf_config(request, *args, **kwargs):
 148     logger.info("Enter %s, data is %s", fun_name(), request.data)
 149     try:
 150         request_serializer = VnfConfigSerializer(data=request.data)
 151         if not request_serializer.is_valid():
 152             raise Exception(request_serializer.errors)
 153
 154         requestData = request_serializer.data
 155         vnf_inst_id = ignore_case_get(requestData, "vnfInstanceId")
 156         vnf = VnfRegModel.objects.filter(id=vnf_inst_id)
 157         if not vnf:
 158             raise Exception("Vnf(%s) does not exist." % vnf_inst_id)
 159         ret = restcall.call_req(
 160             base_url="http://%s:%s/" % (vnf[0].ip, vnf[0].port),
 161             user=vnf[0].username,
 162             passwd=vnf[0].password,
 163             auth_type=restcall.rest_no_auth,
 164             resource="v1/vnfconfig",
 165             method="POST",
 166             content=json.dumps(requestData))
 167         if ret[0] != 0:
 168             raise Exception("Failed to config Vnf(%s): %s" % (vnf_inst_id, ret[1]))
 169
 170         return Response(data={}, status=status.HTTP_202_ACCEPTED)
 171     except Exception as e:
 172         logger.error(e.args[0])
 173         logger.error(traceback.format_exc())
 174         return Response(data={'error': e.args[0]}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)