multivimbroker/multivimbroker/forwarder/views.py

   1 # Copyright 2017 Wind River Systems, Inc.
   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 os
  16 import json
  17
  18 from rest_framework.views import APIView
  19 from rest_framework.views import Response
  20 from rest_framework.views import status
  21 from multivimbroker.forwarder.base import BaseHandler
  22
  23 #
  24
  25
  26 class BaseServer(BaseHandler, APIView):
  27
  28     def get(self, request, vimid):
  29         raise NotImplementedError()
  30
  31     def post(self, request, vimid):
  32         raise NotImplementedError()
  33
  34     def put(self, request, vimid):
  35         raise NotImplementedError()
  36
  37     def delete(self, request, vimid):
  38         raise NotImplementedError()
  39
  40     def head(self, request, vimid):
  41         raise NotImplementedError()
  42
  43     def patch(self, request, vimid):
  44         raise NotImplementedError()
  45
  46
  47 # proxy handler
  48 class Identity(BaseServer):
  49
  50     def get(self, request, vimid):
  51
  52         return self.send(vimid, request.get_full_path(), request.body, "GET")
  53
  54     def post(self, request, vimid):
  55
  56         return self.send(vimid, request.get_full_path(), request.body, "POST")
  57
  58
  59 class Registry(BaseServer):
  60
  61     def post(self, request, vimid):
  62
  63         return self.send(vimid, request.get_full_path(), request.body, "POST")
  64
  65
  66 class UnRegistry(BaseServer):
  67
  68     def delete(self, request, vimid):
  69
  70         return self.send(vimid, request.get_full_path(), request.body,
  71                          "DELETE")
  72
  73
  74 class Extension(BaseServer):
  75
  76     def get(self, request, vimid):
  77
  78         return self.send(vimid, request.get_full_path(), request.body, "GET")
  79
  80
  81 class VIMTypes(BaseServer):
  82
  83     def get(self, request):
  84         # Fix here unless we have plugin registry
  85         json_file = os.path.join(os.path.dirname(__file__),
  86                                  '../pub/config/provider-plugin.json')
  87         with open(json_file, "r") as f:
  88             plugins = json.load(f)
  89         data = {"vim_types": plugins}
  90         return Response(data=data, status=status.HTTP_200_OK)
  91
  92
  93 # forward  handler
  94 class Forward(BaseServer):
  95
  96     def get(self, request, vimid):
  97
  98         return self.send(vimid, request.get_full_path(), request.body, "GET")
  99
 100     def post(self, request, vimid):
 101
 102         return self.send(vimid, request.get_full_path(), request.body, "POST",
 103                          headers=None)
 104
 105     def patch(self, request, vimid):
 106
 107         return self.send(vimid, request.get_full_path(), request.body, "PATCH",
 108                          headers=None)
 109
 110     def delete(self, request, vimid):
 111
 112         return self.send(vimid, request.get_full_path(), request.body,
 113                          "DELETE", headers=None)
 114
 115     def head(self, request, vimid):
 116
 117         return self.send(vimid, request.get_full_path(), request.body, "HEAD")
 118
 119     def put(self, request, vimid):
 120
 121         return self.send(vimid, request.get_full_path(), request.body, "PUT",
 122                          headers=None)