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     elif type == 'vnf':
  31         result = client.vnf_list()
  32
  33     return __response_handler(request, {'instances': result, 'type': type, 'project_id': project_id}, 'instance_list.html')
  34
  35
  36 @login_required
  37 def create(request, project_id=None):
  38     result = {}
  39     ns_data = {
  40         "nsName": request.POST.get('nsName', 'WithoutName'),
  41         "nsDescription": request.POST.get('nsDescription', ''),
  42         "nsdId": request.POST.get('nsdId', ''),
  43         "vimAccountId": request.POST.get('vimAccountId', ''),
  44     }
  45     if 'ssh_key' in request.POST and request.POST.get('ssh_key') != '':
  46         ns_data["ssh-authorized-key"] = [request.POST.get('ssh_key')]
  47
  48     if 'config' in request.POST:
  49         ns_config = yaml.load(request.POST.get('config'))
  50         if isinstance(ns_config, dict):
  51             if "vim-network-name" in ns_config:
  52                 ns_config["vld"] = ns_config.pop("vim-network-name")
  53             if "vld" in ns_config:
  54                 for vld in ns_config["vld"]:
  55                     if vld.get("vim-network-name"):
  56                         if isinstance(vld["vim-network-name"], dict):
  57                             vim_network_name_dict = {}
  58                             for vim_account, vim_net in vld["vim-network-name"].items():
  59                                 vim_network_name_dict[ns_data["vimAccountId"]] = vim_net
  60                             vld["vim-network-name"] = vim_network_name_dict
  61                 ns_data["vld"] = ns_config["vld"]
  62             if "vnf" in ns_config:
  63                 for vnf in ns_config["vnf"]:
  64                     if vnf.get("vim_account"):
  65                         vnf["vimAccountId"] = ns_data["vimAccountId"]
  66
  67                 ns_data["vnf"] = ns_config["vnf"]
  68     print ns_data
  69     client = Client()
  70     result = client.ns_create(ns_data)
  71     return __response_handler(request, result, 'projects:instances:list', to_redirect=True, type='ns', project_id=project_id)
  72
  73 @login_required
  74 def ns_operations(request, project_id=None, instance_id=None, type=None):
  75     client = Client()
  76     result = client.ns_op_list(instance_id)
  77     return __response_handler(request, {'operations': result, 'type': 'ns', 'project_id': project_id}, 'instance_operations_list.html')
  78
  79 @login_required
  80 def ns_operation(request, op_id, project_id=None, instance_id=None, type=None):
  81     client = Client()
  82     result = client.ns_op(op_id)
  83     return __response_handler(request, result)
  84
  85 @login_required
  86 def action(request, project_id=None, instance_id=None, type=None):
  87
  88     client = Client()
  89
  90     # result = client.ns_action(instance_id, action_payload)
  91     primitive_param_keys = request.POST.getlist('primitive_params_name')
  92     primitive_param_value = request.POST.getlist('primitive_params_value')
  93     action_payload = {
  94         "vnf_member_index": request.POST.get('vnf_member_index'),
  95         "primitive": request.POST.get('primitive'),
  96         "primitive_params": {k: v for k, v in zip(primitive_param_keys, primitive_param_value) if len(k) > 0}
  97     }
  98
  99     result = client.ns_action(instance_id, action_payload)
 100     return __response_handler(request, result, None, to_redirect=False, status=result['status'] if 'status' in result else None )
 101
 102
 103 @login_required
 104 def delete(request, project_id=None, instance_id=None, type=None):
 105     result = {}
 106     client = Client()
 107     result = client.ns_delete(instance_id)
 108     print result
 109     return __response_handler(request, result, 'projects:instances:list', to_redirect=True, type='ns', project_id=project_id)
 110
 111
 112 @login_required
 113 def show(request, project_id=None, instance_id=None, type=None):
 114     # result = {}
 115     client = Client()
 116     if type == 'ns':
 117         result = client.ns_get(instance_id)
 118     elif type == 'vnf':
 119         result = client.vnf_get(instance_id)
 120     print result
 121     return __response_handler(request, result)
 122
 123
 124 def __response_handler(request, data_res, url=None, to_redirect=None, *args, **kwargs):
 125     raw_content_types = request.META.get('HTTP_ACCEPT', '*/*').split(',')
 126     if 'application/json' in raw_content_types or url is None:
 127         return JsonResponse(data_res, *args, **kwargs)
 128     elif to_redirect:
 129         return redirect(url, *args, **kwargs)
 130     else:
 131         return render(request, url, data_res)