sdnctrlhandler/views.py

   1 #
   2 #   Copyright 2018 CNIT - Consorzio Nazionale Interuniversitario per le Telecomunicazioni
   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  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
  17 from django.shortcuts import render, redirect
  18 from django.contrib.auth.decorators import login_required
  19 from django.http import JsonResponse
  20 from lib.osm.osmclient.client import Client
  21 import logging
  22
  23 logging.basicConfig(level=logging.DEBUG)
  24 log = logging.getLogger('view.py')
  25
  26
  27 @login_required
  28 def list(request, project_id):
  29     client = Client()
  30     result = client.sdn_list()
  31
  32     result = {
  33         'project_id': project_id,
  34         'sdns': result
  35     }
  36     return __response_handler(request, result, 'sdn_list.html')
  37
  38
  39 @login_required
  40 def create(request, project_id):
  41     result = {'project_id': project_id}
  42     if request.method == 'GET':
  43         return __response_handler(request, result, 'sdn_create.html')
  44     else:
  45         new_sdn_dict = request.POST.dict()
  46         client = Client()
  47         keys = ["name",
  48                 "type",
  49                 "version",
  50                 "dpid",
  51                 "ip",
  52                 "port",
  53                 "user",
  54                 "password"]
  55         sdn_data = dict(filter(lambda i: i[0] in keys and len(i[1]) > 0, new_sdn_dict.items()))
  56         sdn_data['port'] = int(sdn_data['port'])
  57
  58         result = client.sdn_create(sdn_data)
  59
  60         return __response_handler(request, result, 'projects:sdns:list', to_redirect=True, project_id=project_id)
  61
  62
  63 @login_required
  64 def delete(request, project_id, sdn_id=None):
  65     try:
  66         client = Client()
  67         del_res = client.sdn_delete(sdn_id)
  68     except Exception as e:
  69         log.exception(e)
  70     return __response_handler(request, {}, 'projects:sdns:list', to_redirect=True, project_id=project_id)
  71
  72
  73 @login_required
  74 def show(request, project_id, sdn_id=None):
  75     client = Client()
  76     datacenter = client.sdn_get(sdn_id)
  77     return __response_handler(request, {
  78         "sdn": datacenter
  79     }, project_id=project_id)
  80
  81
  82 def __response_handler(request, data_res, url=None, to_redirect=None, *args, **kwargs):
  83     raw_content_types = request.META.get('HTTP_ACCEPT', '*/*').split(',')
  84     if 'application/json' in raw_content_types:
  85         return JsonResponse(data_res)
  86     elif to_redirect:
  87         return redirect(url, *args, **kwargs)
  88     else:
  89         return render(request, url, data_res)