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         return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  45     return Response(data={"vnfInstId": vnf_inst_id}, status=status.HTTP_201_CREATED)
  46
  47
  48 @api_view(http_method_names=['GET', 'PUT', 'DELETE'])
  49 def access_vnf(request, *args, **kwargs):
  50     vnf_inst_id = ignore_case_get(kwargs, "vnfInstId")
  51     logger.info("Enter %s, method is %s, ", fun_name(), request.method)
  52     logger.info("vnfInstId is %s, data is %s", vnf_inst_id, request.data)
  53     # ret, normal_status = None, None
  54     try:
  55         vnf = VnfRegModel.objects.filter(id=vnf_inst_id)
  56         if not vnf:
  57             err_msg = "Vnf(%s) does not exist." % vnf_inst_id
  58             return Response(data={'error': err_msg}, status=status.HTTP_404_NOT_FOUND)
  59         if request.method == 'GET':
  60             ret = {
  61                 "vnfInstId": vnf_inst_id,
  62                 "ip": vnf[0].ip,
  63                 "port": vnf[0].port,
  64                 "username": vnf[0].username,
  65                 "password": vnf[0].password
  66             }
  67             normal_status = status.HTTP_200_OK
  68         elif request.method == 'PUT':
  69             ip = ignore_case_get(request.data, "ip")
  70             port = ignore_case_get(request.data, "port")
  71             username = ignore_case_get(request.data, "username")
  72             password = ignore_case_get(request.data, "password")
  73             if ip:
  74                 vnf[0].ip = ip
  75             if port:
  76                 vnf[0].port = port
  77             if username:
  78                 vnf[0].username = username
  79             if password:
  80                 vnf[0].password = password
  81             vnf[0].save()
  82             ret = {}
  83             normal_status = status.HTTP_202_ACCEPTED
  84         else:
  85             vnf.delete()
  86             ret = {}
  87             normal_status = status.HTTP_204_NO_CONTENT
  88     except Exception as e:
  89         return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  90     return Response(data=ret, status=normal_status)
  91
  92
  93 @api_view(http_method_names=['POST'])
  94 def vnf_config(request, *args, **kwargs):
  95     logger.info("Enter %s, data is %s", fun_name(), request.data)
  96     vnf_inst_id = ignore_case_get(request.data, "vnfInstanceId")
  97     try:
  98         vnf = VnfRegModel.objects.filter(id=vnf_inst_id)
  99         if not vnf:
 100             raise Exception("Vnf(%s) does not exist." % vnf_inst_id)
 101         ret = restcall.call_req(
 102             base_url="http://%s:%s/" % (vnf[0].ip, vnf[0].port),
 103             user=vnf[0].username,
 104             passwd=vnf[0].password,
 105             auth_type=restcall.rest_no_auth,
 106             resource="v1/vnfconfig",
 107             method="POST",
 108             content=json.dumps(request.data))
 109         if ret[0] != 0:
 110             raise Exception("Failed to config Vnf(%s): %s" % (vnf_inst_id, ret[1]))
 111     except Exception as e:
 112         return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 113     return Response(data={}, status=status.HTTP_202_ACCEPTED)