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 from lib.osm.osm_rdcl_parser import OsmParser
  25 import authosm.utils as osmutils
  26 from sf_t3d.decorators import login_required
  27
  28 logging.basicConfig(level=logging.DEBUG)
  29 log = logging.getLogger('instancehandler/view.py')
  30
  31
  32 @login_required
  33 def list(request, type=None):
  34
  35     user = osmutils.get_user(request)
  36     project_id = user.project_id
  37     client = Client()
  38     result = {'type': type, 'project_id': project_id}
  39     if "OSM_ERROR" in request.session:
  40         result['alert_error'] = request.session["OSM_ERROR"]
  41         del request.session["OSM_ERROR"]
  42     raw_content_types = request.META.get('HTTP_ACCEPT', '*/*').split(',')
  43     if 'application/json' not in raw_content_types:
  44         return __response_handler(request, result, 'instance_list.html')
  45     instance_list = None
  46     if type == 'ns':
  47         instance_list = client.ns_list(user.get_token())
  48     elif type == 'vnf':
  49         instance_list = client.vnf_list(user.get_token())
  50
  51     result['instances'] = instance_list['data'] if instance_list and instance_list['error'] is False else []
  52
  53     return __response_handler(request, result, 'instance_list.html')
  54
  55
  56 @login_required
  57 def create(request):
  58     result = {}
  59     try:
  60
  61         ns_data = {
  62             "nsName": request.POST.get('nsName', 'WithoutName'),
  63             "nsDescription": request.POST.get('nsDescription', ''),
  64             "nsdId": request.POST.get('nsdId', ''),
  65             "vimAccountId": request.POST.get('vimAccountId', ''),
  66         }
  67         if 'ssh_key' in request.POST and request.POST.get('ssh_key') != '':
  68             ns_data["ssh_keys"] = [request.POST.get('ssh_key')]
  69
  70         if 'config' in request.POST:
  71             ns_config = yaml.load(request.POST.get('config'))
  72             if isinstance(ns_config, dict):
  73                 if "vim-network-name" in ns_config:
  74                     ns_config["vld"] = ns_config.pop("vim-network-name")
  75                 if "vld" in ns_config:
  76                     print ns_config
  77                     for vld in ns_config["vld"]:
  78                         if vld.get("vim-network-name"):
  79                             if isinstance(vld["vim-network-name"], dict):
  80                                 vim_network_name_dict = {}
  81                                 for vim_account, vim_net in vld["vim-network-name"].items():
  82                                     vim_network_name_dict[ns_data["vimAccountId"]] = vim_net
  83                                 vld["vim-network-name"] = vim_network_name_dict
  84                     ns_data["vld"] = ns_config["vld"]
  85                 if "vnf" in ns_config:
  86                     for vnf in ns_config["vnf"]:
  87                         if vnf.get("vim_account"):
  88                             vnf["vimAccountId"] = ns_data["vimAccountId"]
  89
  90                     ns_data["vnf"] = ns_config["vnf"]
  91     except Exception as e:
  92         request.session["OSM_ERROR"] = "Error creating the NS; Invalid parameters provided."
  93         return __response_handler(request, {}, 'instances:list', to_redirect=True, type='ns', )
  94
  95     print ns_data
  96     user = osmutils.get_user(request)
  97     client = Client()
  98     result = client.ns_create(user.get_token(), ns_data)
  99     return __response_handler(request, result, 'instances:list', to_redirect=True, type='ns',)
 100
 101
 102 @login_required
 103 def ns_operations(request, instance_id=None, type=None):
 104     user = osmutils.get_user(request)
 105     project_id = user.project_id
 106
 107     result = {'type': 'ns', 'project_id': project_id, 'instance_id': instance_id}
 108     raw_content_types = request.META.get('HTTP_ACCEPT', '*/*').split(',')
 109     if 'application/json' not in raw_content_types:
 110         return __response_handler(request, result, 'instance_operations_list.html')
 111     client = Client()
 112     op_list = client.ns_op_list(user.get_token(), instance_id)
 113     result['operations'] = op_list['data'] if op_list and op_list['error'] is False else []
 114
 115     return __response_handler(request, result, 'instance_operations_list.html')
 116
 117 @login_required
 118 def ns_operation(request, op_id, instance_id=None, type=None):
 119     user = osmutils.get_user(request)
 120     client = Client()
 121     result = client.ns_op(user.get_token(), op_id)
 122     return __response_handler(request, result['data'])
 123
 124
 125 @login_required
 126 def action(request, instance_id=None, type=None):
 127     user = osmutils.get_user(request)
 128     client = Client()
 129     # result = client.ns_action(instance_id, action_payload)
 130     primitive_param_keys = request.POST.getlist('primitive_params_name')
 131     primitive_param_value = request.POST.getlist('primitive_params_value')
 132     action_payload = {
 133         "vnf_member_index": request.POST.get('vnf_member_index'),
 134         "primitive": request.POST.get('primitive'),
 135         "primitive_params": {k: v for k, v in zip(primitive_param_keys, primitive_param_value) if len(k) > 0}
 136     }
 137
 138     result = client.ns_action(user.get_token(), instance_id, action_payload)
 139     print result
 140     if result['error']:
 141         return __response_handler(request, result['data'], url=None,
 142                                   status=result['data']['status'] if 'status' in result['data'] else 500)
 143
 144     else:
 145         return __response_handler(request, {}, url=None, status=200)
 146
 147
 148 @login_required
 149 def delete(request, instance_id=None, type=None):
 150     force = bool(request.GET.get('force', False))
 151     result = {}
 152     user = osmutils.get_user(request)
 153     client = Client()
 154     result = client.ns_delete(user.get_token(), instance_id, force)
 155     print result
 156     return __response_handler(request, result, 'instances:list', to_redirect=True, type='ns')
 157
 158 @login_required
 159 def show_topology(request, instance_id=None, type=None):
 160     user = osmutils.get_user(request)
 161     project_id = user.project_id
 162     raw_content_types = request.META.get('HTTP_ACCEPT', '*/*').split(',')
 163     if 'application/json' in raw_content_types:
 164         client = Client()
 165         nsr_object = {'nsr': {}, 'vnfr': {}, 'vnfd': {}}
 166         if type == 'ns':
 167
 168             nsr_resp = client.ns_get(user.get_token(), instance_id)
 169             nsr_object['nsr'] = nsr_resp['data']
 170             if 'constituent-vnfr-ref' in nsr_object['nsr'] :
 171                 for vnfr_id in nsr_object['nsr']['constituent-vnfr-ref']:
 172                     vnfr_resp = client.vnf_get(user.get_token(), vnfr_id)
 173                     vnfr = vnfr_resp['data']
 174                     nsr_object['vnfr'][vnfr['id']] = vnfr
 175                     if vnfr['vnfd-id'] not in nsr_object['vnfd']:
 176                         vnfd_resp = client.vnfd_get(user.get_token(), vnfr['vnfd-id'])
 177                         nsr_object['vnfd'][vnfr['vnfd-id']] = vnfd_resp['vnfd:vnfd-catalog']['vnfd'][0]
 178
 179
 180
 181         test = OsmParser()
 182         #print nsr_object
 183
 184         result = test.nsr_to_graph(nsr_object)
 185         return __response_handler(request, result)
 186     else:
 187         result = {'type': type, 'project_id': project_id, 'instance_id': instance_id}
 188         return __response_handler(request, result, 'instance_topology_view.html')
 189
 190
 191 @login_required
 192 def show(request, instance_id=None, type=None):
 193     # result = {}
 194     user = osmutils.get_user(request)
 195     project_id = user.project_id
 196     client = Client()
 197     if type == 'ns':
 198         result = client.ns_get(user.get_token(), instance_id)
 199     elif type == 'vnf':
 200         result = client.vnf_get(user.get_token(), instance_id)
 201     print result
 202     return __response_handler(request, result)
 203
 204
 205 @login_required
 206 def export_metric(request, instance_id=None, type=None):
 207     metric_data = request.POST.dict()
 208     user = osmutils.get_user(request)
 209     project_id = user.project_id
 210     client = Client()
 211     keys = ["collection_period",
 212             "vnf_member_index",
 213             "metric_name",
 214             "correlation_id",
 215             "vdu_name",
 216             "collection_unit"]
 217     metric_data = dict(filter(lambda i: i[0] in keys and len(i[1]) > 0, metric_data.items()))
 218
 219     result = client.ns_metric_export(user.get_token(), instance_id, metric_data)
 220
 221     if result['error']:
 222         print result
 223         return __response_handler(request, result['data'], url=None,
 224                                   status=result['data']['status'] if 'status' in result['data'] else 500)
 225     else:
 226         return __response_handler(request, {}, url=None, status=200)
 227
 228
 229 @login_required
 230 def create_alarm(request, instance_id=None, type=None):
 231     metric_data = request.POST.dict()
 232     print metric_data
 233     user = osmutils.get_user(request)
 234     project_id = user.project_id
 235     client = Client()
 236
 237     keys = ["threshold_value",
 238             "vnf_member_index",
 239             "metric_name",
 240             "vdu_name",
 241             "alarm_name",
 242             "correlation_id",
 243             "statistic",
 244             "operation",
 245             "severity"]
 246     metric_data = dict(filter(lambda i: i[0] in keys and len(i[1]) > 0, metric_data.items()))
 247
 248     result = client.ns_alarm_create(user.get_token(), instance_id, metric_data)
 249     if result['error']:
 250         print result
 251         return __response_handler(request, result['data'], url=None,
 252                                   status=result['data']['status'] if 'status' in result['data'] else 500)
 253     else:
 254         return __response_handler(request, {}, url=None, status=200)
 255
 256
 257 def __response_handler(request, data_res, url=None, to_redirect=None, *args, **kwargs):
 258     raw_content_types = request.META.get('HTTP_ACCEPT', '*/*').split(',')
 259     if 'application/json' in raw_content_types or url is None:
 260         return HttpResponse(json.dumps(data_res), content_type="application/json")
 261     elif to_redirect:
 262         return redirect(url, *args, **kwargs)
 263     else:
 264         return render(request, url, data_res)