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 json
  22 import logging
  23 from lib.osm.osmclient.clientv2 import Client
  24
  25 logging.basicConfig(level=logging.DEBUG)
  26 log = logging.getLogger('instancehandler/view.py')
  27
  28
  29 @login_required
  30 def list(request, project_id=None, type=None):
  31     client = Client()
  32     if type == 'ns':
  33         instance_list = client.ns_list(request.session['token'])
  34     elif type == 'vnf':
  35         instance_list = client.vnf_list(request.session['token'])
  36
  37     result = {'instances': instance_list['data'] if instance_list and instance_list['error'] is False else [],
  38               'type': type, 'project_id': project_id}
  39
  40     return __response_handler(request, result, 'instance_list.html')
  41
  42
  43 @login_required
  44 def create(request, project_id=None):
  45     result = {}
  46     ns_data = {
  47         "nsName": request.POST.get('nsName', 'WithoutName'),
  48         "nsDescription": request.POST.get('nsDescription', ''),
  49         "nsdId": request.POST.get('nsdId', ''),
  50         "vimAccountId": request.POST.get('vimAccountId', ''),
  51     }
  52     if 'ssh_key' in request.POST and request.POST.get('ssh_key') != '':
  53         ns_data["ssh-authorized-key"] = [request.POST.get('ssh_key')]
  54
  55     if 'config' in request.POST:
  56         ns_config = yaml.load(request.POST.get('config'))
  57         if isinstance(ns_config, dict):
  58             if "vim-network-name" in ns_config:
  59                 ns_config["vld"] = ns_config.pop("vim-network-name")
  60             if "vld" in ns_config:
  61                 for vld in ns_config["vld"]:
  62                     if vld.get("vim-network-name"):
  63                         if isinstance(vld["vim-network-name"], dict):
  64                             vim_network_name_dict = {}
  65                             for vim_account, vim_net in vld["vim-network-name"].items():
  66                                 vim_network_name_dict[ns_data["vimAccountId"]] = vim_net
  67                             vld["vim-network-name"] = vim_network_name_dict
  68                 ns_data["vld"] = ns_config["vld"]
  69             if "vnf" in ns_config:
  70                 for vnf in ns_config["vnf"]:
  71                     if vnf.get("vim_account"):
  72                         vnf["vimAccountId"] = ns_data["vimAccountId"]
  73
  74                 ns_data["vnf"] = ns_config["vnf"]
  75     print ns_data
  76     client = Client()
  77     result = client.ns_create(request.session['token'], ns_data)
  78     return __response_handler(request, result, 'projects:instances:list', to_redirect=True, type='ns',
  79                               project_id=project_id)
  80
  81
  82 @login_required
  83 def ns_operations(request, project_id=None, instance_id=None, type=None):
  84     client = Client()
  85     op_list = client.ns_op_list(request.session['token'], instance_id)
  86     return __response_handler(request,
  87                               {'operations': op_list['data'] if op_list and op_list['error'] is False else [],
  88                                'type': 'ns', 'project_id': project_id}, 'instance_operations_list.html')
  89
  90
  91 @login_required
  92 def ns_operation(request, op_id, project_id=None, instance_id=None, type=None):
  93     client = Client()
  94     result = client.ns_op(request.session['token'], op_id)
  95     return __response_handler(request, result['data'])
  96
  97
  98 @login_required
  99 def action(request, project_id=None, instance_id=None, type=None):
 100     client = Client()
 101
 102     # result = client.ns_action(instance_id, action_payload)
 103     primitive_param_keys = request.POST.getlist('primitive_params_name')
 104     primitive_param_value = request.POST.getlist('primitive_params_value')
 105     action_payload = {
 106         "vnf_member_index": request.POST.get('vnf_member_index'),
 107         "primitive": request.POST.get('primitive'),
 108         "primitive_params": {k: v for k, v in zip(primitive_param_keys, primitive_param_value) if len(k) > 0}
 109     }
 110
 111     result = client.ns_action(request.session['token'], instance_id, action_payload)
 112     print result
 113     if result['error']:
 114         return __response_handler(request, result['data'], url=None,
 115                                   status=result['data']['status'] if 'status' in result['data'] else 500)
 116
 117     else:
 118         return __response_handler(request, {}, url=None, status=200)
 119
 120
 121 @login_required
 122 def delete(request, project_id=None, instance_id=None, type=None):
 123     force = bool(request.GET.get('force', False))
 124     result = {}
 125     client = Client()
 126     result = client.ns_delete(request.session['token'], instance_id, force)
 127     print result
 128     return __response_handler(request, result, 'projects:instances:list', to_redirect=True, type='ns',
 129                               project_id=project_id)
 130
 131
 132 @login_required
 133 def show(request, project_id=None, instance_id=None, type=None):
 134     # result = {}
 135     client = Client()
 136     if type == 'ns':
 137         result = client.ns_get(request.session['token'], instance_id)
 138     elif type == 'vnf':
 139         result = client.vnf_get(request.session['token'], instance_id)
 140     print result
 141     return __response_handler(request, result)
 142
 143
 144 @login_required
 145 def export_metric(request, project_id=None, instance_id=None, type=None):
 146     metric_data = request.POST.dict()
 147
 148     client = Client()
 149     keys = ["collection_period",
 150             "vnf_member_index",
 151             "metric_name",
 152             "correlation_id",
 153             "vdu_name",
 154             "collection_unit"]
 155     metric_data = dict(filter(lambda i: i[0] in keys and len(i[1]) > 0, metric_data.items()))
 156
 157     result = client.ns_metric_export(request.session['token'], instance_id, metric_data)
 158
 159     if result['error']:
 160         print result
 161         return __response_handler(request, result['data'], url=None,
 162                                   status=result['data']['status'] if 'status' in result['data'] else 500)
 163     else:
 164         return __response_handler(request, {}, url=None, status=200)
 165
 166
 167 @login_required
 168 def create_alarm(request, project_id=None, instance_id=None, type=None):
 169     metric_data = request.POST.dict()
 170     print metric_data
 171     client = Client()
 172
 173     keys = ["threshold_value",
 174             "vnf_member_index",
 175             "metric_name",
 176             "vdu_name",
 177             "alarm_name",
 178             "correlation_id",
 179             "statistic",
 180             "operation",
 181             "severity"]
 182     metric_data = dict(filter(lambda i: i[0] in keys and len(i[1]) > 0, metric_data.items()))
 183
 184     result = client.ns_alarm_create(request.session['token'], instance_id, metric_data)
 185     if result['error']:
 186         print result
 187         return __response_handler(request, result['data'], url=None,
 188                                   status=result['data']['status'] if 'status' in result['data'] else 500)
 189     else:
 190         return __response_handler(request, {}, url=None, status=200)
 191
 192
 193 def __response_handler(request, data_res, url=None, to_redirect=None, *args, **kwargs):
 194     raw_content_types = request.META.get('HTTP_ACCEPT', '*/*').split(',')
 195     if 'application/json' in raw_content_types or url is None:
 196         return HttpResponse(json.dumps(data_res), content_type="application/json", *args, **kwargs)
 197     elif to_redirect:
 198         return redirect(url, *args, **kwargs)
 199     else:
 200         return render(request, url, data_res)