instancehandler/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 HttpResponse, JsonResponse
  20 import yaml
  21 import logging
  22 from lib.osm.osmclient.client import Client
  23
  24
  25 @login_required
  26 def list(request, project_id=None, type=None):
  27     client = Client()
  28     if type == 'ns':
  29         result = client.ns_list()
  30
  31     return __response_handler(request, {'instances': result, 'type': 'ns', 'project_id': project_id}, 'instance_list.html')
  32
  33
  34 @login_required
  35 def create(request, project_id=None):
  36     result = {}
  37     ns_data = {
  38         "nsName": request.POST.get('nsName', 'WithoutName'),
  39         "nsDescription": request.POST.get('nsDescription', ''),
  40         "nsdId": request.POST.get('nsdId', ''),
  41         "vimAccountId": request.POST.get('vimAccountId', ''),
  42     }
  43     if 'ssh_key' in request.POST:
  44         ns_data["ssh-authorized-key"] = [request.POST.get('ssh_key')]
  45
  46     if 'config' in request.POST:
  47         ns_config = yaml.load(request.POST.get('config'))
  48         if "vim-network-name" in ns_config:
  49             ns_config["vld"] = ns_config.pop("vim-network-name")
  50         if "vld" in ns_config:
  51             for vld in ns_config["vld"]:
  52                 if vld.get("vim-network-name"):
  53                     if isinstance(vld["vim-network-name"], dict):
  54                         vim_network_name_dict = {}
  55                         for vim_account, vim_net in vld["vim-network-name"].items():
  56                             vim_network_name_dict[ns_data["vimAccountId"]] = vim_net
  57                         vld["vim-network-name"] = vim_network_name_dict
  58             ns_data["vld"] = ns_config["vld"]
  59         if "vnf" in ns_config:
  60             for vnf in ns_config["vnf"]:
  61                 if vnf.get("vim_account"):
  62                     vnf["vimAccountId"] = ns_data["vimAccountId"]
  63
  64             ns_data["vnf"] = ns_config["vnf"]
  65     print ns_data
  66     client = Client()
  67     result = client.ns_create(ns_data)
  68     return __response_handler(request, result, 'projects:instances:list', to_redirect=True, type='ns', project_id=project_id)
  69
  70
  71 @login_required
  72 def action(request, project_id=None, instance_id=None, type=None):
  73
  74     client = Client()
  75
  76     # result = client.ns_action(instance_id, action_payload)
  77     primitive_param_keys = request.POST.getlist('primitive_params_name')
  78     primitive_param_value = request.POST.getlist('primitive_params_value')
  79     action_payload = {
  80         "vnf_member_index": request.POST.get('vnf_member_index'),
  81         "primitive": request.POST.get('primitive'),
  82         "primitive_params": {k: v for k, v in zip(primitive_param_keys, primitive_param_value) if len(k) > 0}
  83     }
  84
  85     result = client.ns_action(instance_id, action_payload)
  86     return __response_handler(request, result, None, to_redirect=False, status=result['status'] )
  87
  88
  89 @login_required
  90 def delete(request, project_id=None, instance_id=None, type=None):
  91     result = {}
  92     client = Client()
  93     result = client.ns_delete(instance_id)
  94     print result
  95     return __response_handler(request, result, 'projects:instances:list', to_redirect=True, type='ns', project_id=project_id)
  96
  97
  98 @login_required
  99 def show(request, project_id=None, instance_id=None, type=None):
 100     # result = {}
 101     client = Client()
 102     result = client.ns_get(instance_id)
 103     print result
 104     return __response_handler(request, result)
 105
 106
 107 def __response_handler(request, data_res, url=None, to_redirect=None, *args, **kwargs):
 108     raw_content_types = request.META.get('HTTP_ACCEPT', '*/*').split(',')
 109     if 'application/json' in raw_content_types or url is None:
 110         return JsonResponse(data_res, *args, **kwargs)
 111     elif to_redirect:
 112         return redirect(url, *args, **kwargs)
 113     else:
 114         return render(request, url, data_res)