multivimbroker/multivimbroker/forwarder/views.py

   1 # Copyright 2017 Wind River Systems, Inc.
   2 # Copyright (c) 2017-2018 VMware, Inc.
   3 #
   4 # Licensed under the Apache License, Version 2.0 (the "License");
   5 # you may not use this file except in compliance with the License.
   6 # You may obtain a copy of the License at
   7 #
   8 #         http://www.apache.org/licenses/LICENSE-2.0
   9 #
  10 # Unless required by applicable law or agreed to in writing, software
  11 # distributed under the License is distributed on an "AS IS" BASIS,
  12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 # See the License for the specific language governing permissions and
  14 # limitations under the License.
  15
  16 import os
  17 import json
  18
  19 from rest_framework.views import APIView
  20 from rest_framework.views import Response
  21 from rest_framework.views import status
  22 from multivimbroker.forwarder.base import BaseHandler
  23
  24 #
  25
  26
  27 class BaseServer(BaseHandler, APIView):
  28
  29     def get(self, request, vimid):
  30         raise NotImplementedError()
  31
  32     def post(self, request, vimid):
  33         raise NotImplementedError()
  34
  35     def put(self, request, vimid):
  36         raise NotImplementedError()
  37
  38     def delete(self, request, vimid):
  39         raise NotImplementedError()
  40
  41     def head(self, request, vimid):
  42         raise NotImplementedError()
  43
  44     def patch(self, request, vimid):
  45         raise NotImplementedError()
  46
  47
  48 # proxy handler
  49 class Identity(BaseServer):
  50
  51     def get(self, request, vimid):
  52
  53         return self.send(vimid, request.get_full_path(), request.body, "GET")
  54
  55     def post(self, request, vimid):
  56
  57         return self.send(vimid, request.get_full_path(), request.body, "POST")
  58
  59
  60 class Registry(BaseServer):
  61
  62     def post(self, request, vimid):
  63
  64         return self.send(vimid, request.get_full_path(), request.body, "POST")
  65
  66
  67 class UnRegistry(BaseServer):
  68
  69     def delete(self, request, vimid):
  70
  71         return self.send(vimid, request.get_full_path(), request.body,
  72                          "DELETE")
  73
  74
  75 class Extension(BaseServer):
  76
  77     def get(self, request, vimid):
  78
  79         return self.send(vimid, request.get_full_path(), request.body, "GET")
  80
  81
  82 class VIMTypes(BaseServer):
  83
  84     def get(self, request):
  85         # Fix here unless we have plugin registry
  86         json_file = os.path.join(os.path.dirname(__file__),
  87                                  '../pub/config/provider-plugin.json')
  88         with open(json_file, "r") as f:
  89             plugins = json.load(f)
  90         data = {"vim_types": plugins}
  91         return Response(data=data, status=status.HTTP_200_OK)
  92
  93
  94 # forward  handler
  95 class Forward(BaseServer):
  96
  97     def get(self, request, vimid):
  98
  99         return self.send(vimid, request.get_full_path(), request.body, "GET")
 100
 101     def post(self, request, vimid):
 102
 103         return self.send(vimid, request.get_full_path(), request.body, "POST",
 104                          headers=None)
 105
 106     def patch(self, request, vimid):
 107
 108         return self.send(vimid, request.get_full_path(), request.body, "PATCH",
 109                          headers=None)
 110
 111     def delete(self, request, vimid):
 112
 113         return self.send(vimid, request.get_full_path(), request.body,
 114                          "DELETE", headers=None)
 115
 116     def head(self, request, vimid):
 117
 118         return self.send(vimid, request.get_full_path(), request.body, "HEAD")
 119
 120     def put(self, request, vimid):
 121
 122         return self.send(vimid, request.get_full_path(), request.body, "PUT",
 123                          headers=None)