vimhandler/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 yaml
  22 import logging
  23
  24 logging.basicConfig(level=logging.DEBUG)
  25 log = logging.getLogger('view.py')
  26
  27
  28 @login_required
  29 def list(request, project_id):
  30     client = Client()
  31     result = client.vim_list()
  32     print result
  33     result = {
  34         "project_id": project_id,
  35         "datacenters": result
  36     }
  37     return __response_handler(request, result, 'vim_list.html')
  38
  39
  40 @login_required
  41 def create(request, project_id):
  42     result = {'project_id': project_id}
  43     if request.method == 'GET':
  44         return __response_handler(request, result, 'vim_create.html')
  45     else:
  46         new_vim_dict = request.POST.dict()
  47         client = Client()
  48         keys = ["schema_version",
  49                 "schema_type",
  50                 "name",
  51                 "vim_url",
  52                 "vim_type",
  53                 "vim_user",
  54                 "vim_password",
  55                 "vim_tenant_name",
  56                 "description"]
  57         vim_data = dict(filter(lambda i: i[0] in keys and len(i[1]) > 0, new_vim_dict.items()))
  58         vim_data['config']={}
  59         for k,v in new_vim_dict.items():
  60             if str(k).startswith('config_') and len(v) > 0:
  61                 config_key = k[7:]
  62                 vim_data['config'][config_key] = v
  63         if 'additional_conf' in new_vim_dict:
  64             try:
  65                 additional_conf_dict = yaml.safe_load(new_vim_dict['additional_conf'])
  66                 for k,v in additional_conf_dict.items():
  67                     vim_data['config'][k] = v
  68             except Exception as e:
  69                 # TODO return error on json.loads exception
  70                 print e
  71         result = client.vim_create(vim_data)
  72         # TODO  'vim:show', to_redirect=True, vim_id=vim_id
  73         return __response_handler(request, result, 'projects:vims:list', to_redirect=True, project_id=project_id)
  74
  75 @login_required
  76 def delete(request, project_id, vim_id=None):
  77     try:
  78         client = Client()
  79         del_res = client.vim_delete(vim_id)
  80     except Exception as e:
  81         log.exception(e)
  82     return __response_handler(request, {}, 'projects:vims:list', to_redirect=True, project_id=project_id)
  83
  84 @login_required
  85 def show(request, project_id, vim_id=None):
  86     client = Client()
  87     datacenter = client.vim_get(vim_id)
  88     print datacenter
  89     return __response_handler(request, {
  90         "datacenter": datacenter,
  91         "project_id": project_id
  92     }, 'vim_show.html')
  93
  94
  95 def __response_handler(request, data_res, url=None, to_redirect=None, *args, **kwargs):
  96     raw_content_types = request.META.get('HTTP_ACCEPT', '*/*').split(',')
  97     if 'application/json' in raw_content_types:
  98         return JsonResponse(data_res)
  99     elif to_redirect:
 100         return redirect(url, *args, **kwargs)
 101     else:
 102         return render(request, url, data_res)