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 logging
  16 import json
  17
  18 from rest_framework import status
  19 from rest_framework.decorators import api_view
  20 from rest_framework.response import Response
  21
  22 from mgr.pub.utils.values import ignore_case_get
  23 from mgr.pub.utils.syscomm import fun_name
  24 from mgr.pub.database.models import VnfRegModel
  25 from mgr.pub.utils import restcall
  26
  27 logger = logging.getLogger(__name__)
  28
  29
  30 @api_view(http_method_names=['POST'])
  31 def add_vnf(request, *args, **kwargs):
  32     logger.info("Enter %s, data is %s", fun_name(), request.data)
  33     vnf_inst_id = ignore_case_get(request.data, "vnfInstId")
  34     try:
  35         if VnfRegModel.objects.filter(id=vnf_inst_id):
  36             raise Exception("Vnf(%s) already exists." % vnf_inst_id)
  37         VnfRegModel(
  38             id=vnf_inst_id,
  39             ip=ignore_case_get(request.data, "ip"),
  40             port=ignore_case_get(request.data, "port"),
  41             username=ignore_case_get(request.data, "username"),
  42             password=ignore_case_get(request.data, "password")).save()
  43     except Exception as e:
  44         logger.error(e.message)
  45         return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  46     return Response(data={"vnfInstId": vnf_inst_id}, status=status.HTTP_201_CREATED)
  47
  48
  49 @api_view(http_method_names=['GET', 'PUT', 'DELETE'])
  50 def access_vnf(request, *args, **kwargs):
  51     vnf_inst_id = ignore_case_get(kwargs, "vnfInstId")
  52     logger.info("Enter %s, method is %s, ", fun_name(), request.method)
  53     logger.info("vnfInstId is %s, data is %s", vnf_inst_id, request.data)
  54     # ret, normal_status = None, None
  55     try:
  56         vnf = VnfRegModel.objects.filter(id=vnf_inst_id)
  57         if not vnf:
  58             err_msg = "Vnf(%s) does not exist." % vnf_inst_id
  59             return Response(data={'error': err_msg}, status=status.HTTP_404_NOT_FOUND)
  60         if request.method == 'GET':
  61             ret = {
  62                 "vnfInstId": vnf_inst_id,
  63                 "ip": vnf[0].ip,
  64                 "port": vnf[0].port,
  65                 "username": vnf[0].username,
  66                 "password": vnf[0].password
  67             }
  68             normal_status = status.HTTP_200_OK
  69         elif request.method == 'PUT':
  70             ip = ignore_case_get(request.data, "ip")
  71             port = ignore_case_get(request.data, "port")
  72             username = ignore_case_get(request.data, "username")
  73             password = ignore_case_get(request.data, "password")
  74             if ip:
  75                 vnf[0].ip = ip
  76             if port:
  77                 vnf[0].port = port
  78             if username:
  79                 vnf[0].username = username
  80             if password:
  81                 vnf[0].password = password
  82             vnf[0].save()
  83             ret = {}
  84             normal_status = status.HTTP_202_ACCEPTED
  85         else:
  86             vnf.delete()
  87             ret = {}
  88             normal_status = status.HTTP_204_NO_CONTENT
  89     except Exception as e:
  90         logger.error(e.message)
  91         return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  92     return Response(data=ret, status=normal_status)
  93
  94
  95 @api_view(http_method_names=['POST'])
  96 def vnf_config(request, *args, **kwargs):
  97     logger.info("Enter %s, data is %s", fun_name(), request.data)
  98     vnf_inst_id = ignore_case_get(request.data, "vnfInstanceId")
  99     try:
 100         vnf = VnfRegModel.objects.filter(id=vnf_inst_id)
 101         if not vnf:
 102             raise Exception("Vnf(%s) does not exist." % vnf_inst_id)
 103         ret = restcall.call_req(
 104             base_url="http://%s:%s/" % (vnf[0].ip, vnf[0].port),
 105             user=vnf[0].username,
 106             passwd=vnf[0].password,
 107             auth_type=restcall.rest_no_auth,
 108             resource="v1/vnfconfig",
 109             method="POST",
 110             content=json.dumps(request.data))
 111         if ret[0] != 0:
 112             raise Exception("Failed to config Vnf(%s): %s" % (vnf_inst_id, ret[1]))
 113     except Exception as e:
 114         logger.error(e.message)
 115         return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 116     return Response(data={}, status=status.HTTP_202_ACCEPTED)