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.http import HttpResponse, JsonResponse
  19 import yaml
  20 import json
  21 import logging
  22 from lib.osm.osmclient.clientv2 import Client
  23 from lib.osm.osm_rdcl_parser import OsmParser
  24 import authosm.utils as osmutils
  25 from sf_t3d.decorators import login_required
  26
  27 logging.basicConfig(level=logging.DEBUG)
  28 log = logging.getLogger('instancehandler/view.py')
  29
  30
  31 @login_required
  32 def list(request, type=None):
  33     user = osmutils.get_user(request)
  34     project_id = user.project_id
  35     client = Client()
  36     result = {'type': type, 'project_id': project_id}
  37     if "OSM_ERROR" in request.session:
  38         result['alert_error'] = request.session["OSM_ERROR"]
  39         del request.session["OSM_ERROR"]
  40     raw_content_types = request.META.get('HTTP_ACCEPT', '*/*').split(',')
  41     if 'application/json' not in raw_content_types:
  42         return __response_handler(request, result, 'instance_list.html')
  43     instance_list = None
  44     if type == 'ns':
  45         instance_list = client.ns_list(user.get_token())
  46     elif type == 'vnf':
  47         instance_list = client.vnf_list(user.get_token())
  48     elif type == 'pdu':
  49         instance_list = client.pdu_list(user.get_token())
  50     elif type == 'nsi':
  51         instance_list = client.nsi_list(user.get_token())
  52
  53     result['instances'] = instance_list['data'] if instance_list and instance_list['error'] is False else []
  54
  55     return __response_handler(request, result, 'instance_list.html')
  56
  57 @login_required
  58 def create(request, type=None):
  59     result = {}
  60     config_vim_account_id = {}
  61     user = osmutils.get_user(request)
  62     client = Client()
  63
  64     if type == 'ns':
  65         try:
  66
  67             ns_data = {
  68                 "nsName": request.POST.get('nsName', 'WithoutName'),
  69                 "nsDescription": request.POST.get('nsDescription', ''),
  70                 "nsdId": request.POST.get('nsdId', ''),
  71                 "vimAccountId": request.POST.get('vimAccountId', ''),
  72             }
  73             if 'ssh_key' in request.POST and request.POST.get('ssh_key') != '':
  74                 ns_data["ssh_keys"] = [request.POST.get('ssh_key')]
  75
  76             if 'config' in request.POST:
  77                 ns_config = yaml.load(request.POST.get('config'))
  78                 if isinstance(ns_config, dict):
  79                     if "vim-network-name" in ns_config:
  80                         ns_config["vld"] = ns_config.pop("vim-network-name")
  81                     if "vld" in ns_config:
  82                         print ns_config
  83                         for vld in ns_config["vld"]:
  84                             if vld.get("vim-network-name"):
  85                                 if isinstance(vld["vim-network-name"], dict):
  86                                     vim_network_name_dict = {}
  87                                     for vim_account, vim_net in vld["vim-network-name"].items():
  88                                         vim_network_name_dict[ns_data["vimAccountId"]] = vim_net
  89                                     vld["vim-network-name"] = vim_network_name_dict
  90                         ns_data["vld"] = ns_config["vld"]
  91                     if "vnf" in ns_config:
  92                         for vnf in ns_config["vnf"]:
  93                             if vnf.get("vim_account"):
  94                                 vnf["vimAccountId"] = ns_data["vimAccountId"]
  95
  96                         ns_data["vnf"] = ns_config["vnf"]
  97                     if "additionalParamsForNs" in ns_config:
  98                         ns_data["additionalParamsForNs"] = ns_config["additionalParamsForNs"]
  99                     if "additionalParamsForVnf" in ns_config:
 100                         ns_data["additionalParamsForVnf"] = ns_config["additionalParamsForVnf"]
 101                     if "wimAccountId" in ns_config:
 102                         ns_data["wimAccountId"] = ns_config["wimAccountId"]
 103
 104         except Exception as e:
 105             request.session["OSM_ERROR"] = "Error creating the NS; Invalid parameters provided."
 106             return __response_handler(request, {}, 'instances:list', to_redirect=True, type='ns', )
 107         result = client.ns_create(user.get_token(), ns_data)
 108         return __response_handler(request, result, 'instances:list', to_redirect=True, type='ns')
 109
 110     elif type == 'nsi':
 111         try:
 112             nsi_data = {
 113                 "nsiName": request.POST.get('nsiName', 'WithoutName'),
 114                 "nsiDescription": request.POST.get('nsiDescription', ''),
 115                 "nstId": request.POST.get('nstId', ''),
 116                 "vimAccountId": request.POST.get('vimAccountId', ''),
 117             }
 118
 119             if 'ssh_key' in request.POST and request.POST.get('ssh_key') != '':
 120                 nsi_data["ssh_keys"] = [request.POST.get('ssh_key')]
 121         except Exception as e:
 122             request.session["OSM_ERROR"] = "Error creating the NSI; Invalid parameters provided."
 123             return __response_handler(request, {}, 'instances:list', to_redirect=True, type=type)
 124         result = client.nsi_create(user.get_token(), nsi_data)
 125         return __response_handler(request, result, 'instances:list', to_redirect=True, type=type)
 126
 127     elif type == 'pdu':
 128         interface_param_name = request.POST.getlist('interfaces_name')
 129         interface_param_ip = request.POST.getlist('interfaces_ip')
 130         interface_param_mgmt = request.POST.getlist('interfaces_mgmt')
 131         interface_param_netname = request.POST.getlist('interfaces_vimnetname')
 132
 133         pdu_payload = {
 134             "name": request.POST.get('name'),
 135             "type": request.POST.get('pdu_type'),
 136             "vim_accounts": request.POST.getlist('pdu_vim_accounts'),
 137             "description": request.POST.get('description'),
 138             "interfaces": []
 139         }
 140         for i in (0,len(interface_param_name)-1):
 141             pdu_payload['interfaces'].append({
 142                 'name': interface_param_name[i],
 143                 'mgmt': True if interface_param_mgmt[i] == 'true' else False,
 144                 'ip-address': interface_param_ip[i],
 145                 'vim-network-name': interface_param_netname[i]
 146             })
 147         result = client.pdu_create(user.get_token(), pdu_payload)
 148         if result['error']:
 149             return __response_handler(request, result['data'], url=None,
 150                                   status=result['data']['status'] if 'status' in result['data'] else 500)
 151         else:
 152             return __response_handler(request, {}, url=None, status=200)
 153
 154 @login_required
 155 def ns_operations(request, instance_id=None, type=None):
 156     user = osmutils.get_user(request)
 157     project_id = user.project_id
 158
 159     result = {'type': type, 'project_id': project_id, 'instance_id': instance_id}
 160     raw_content_types = request.META.get('HTTP_ACCEPT', '*/*').split(',')
 161     if 'application/json' not in raw_content_types:
 162         return __response_handler(request, result, 'instance_operations_list.html')
 163     client = Client()
 164     if type == 'ns':
 165         op_list = client.ns_op_list(user.get_token(), instance_id)
 166     elif type == 'nsi':
 167         op_list = client.nsi_op_list(user.get_token(), instance_id)
 168     result['operations'] = op_list['data'] if op_list and op_list['error'] is False else []
 169
 170     return __response_handler(request, result, 'instance_operations_list.html')
 171
 172 @login_required
 173 def ns_operation(request, op_id, instance_id=None, type=None):
 174     user = osmutils.get_user(request)
 175     client = Client()
 176     result = client.ns_op(user.get_token(), op_id)
 177     return __response_handler(request, result['data'])
 178
 179
 180 @login_required
 181 def action(request, instance_id=None, type=None):
 182     user = osmutils.get_user(request)
 183     client = Client()
 184     # result = client.ns_action(instance_id, action_payload)
 185     primitive_param_keys = request.POST.getlist('primitive_params_name')
 186     primitive_param_value = request.POST.getlist('primitive_params_value')
 187     action_payload = {
 188         "vnf_member_index": request.POST.get('vnf_member_index'),
 189         "primitive": request.POST.get('primitive'),
 190         "primitive_params": {k: v for k, v in zip(primitive_param_keys, primitive_param_value) if len(k) > 0}
 191     }
 192
 193     result = client.ns_action(user.get_token(), instance_id, action_payload)
 194     print result
 195     if result['error']:
 196         return __response_handler(request, result['data'], url=None,
 197                                   status=result['data']['status'] if 'status' in result['data'] else 500)
 198     else:
 199         return __response_handler(request, {}, url=None, status=200)
 200
 201
 202 @login_required
 203 def delete(request, instance_id=None, type=None):
 204     force = bool(request.GET.get('force', False))
 205     result = {}
 206     user = osmutils.get_user(request)
 207     client = Client()
 208     if type == 'ns':
 209         result = client.ns_delete(user.get_token(), instance_id, force)
 210     elif type == 'pdu':
 211         result = client.pdu_delete(user.get_token(), instance_id)
 212     elif type == 'nsi':
 213         result = client.nsi_delete(user.get_token(), instance_id, force)
 214
 215     if result['error']:
 216         return __response_handler(request, result['data'], url=None,
 217                                   status=result['data']['status'] if 'status' in result['data'] else 500)
 218     else:
 219         return __response_handler(request, {}, url=None, status=200)
 220
 221 @login_required
 222 def show_topology(request, instance_id=None, type=None):
 223     user = osmutils.get_user(request)
 224     project_id = user.project_id
 225     raw_content_types = request.META.get('HTTP_ACCEPT', '*/*').split(',')
 226     if 'application/json' in raw_content_types:
 227         client = Client()
 228         nsr_object = {'nsr': {}, 'vnfr': {}, 'vnfd': {}}
 229         if type == 'ns':
 230
 231             nsr_resp = client.ns_get(user.get_token(), instance_id)
 232             nsr_object['nsr'] = nsr_resp['data']
 233             if 'constituent-vnfr-ref' in nsr_object['nsr'] :
 234                 for vnfr_id in nsr_object['nsr']['constituent-vnfr-ref']:
 235                     vnfr_resp = client.vnf_get(user.get_token(), vnfr_id)
 236                     vnfr = vnfr_resp['data']
 237                     nsr_object['vnfr'][vnfr['id']] = vnfr
 238                     if vnfr['vnfd-id'] not in nsr_object['vnfd']:
 239                         vnfd_resp = client.vnfd_get(user.get_token(), vnfr['vnfd-id'])
 240                         nsr_object['vnfd'][vnfr['vnfd-id']] = vnfd_resp['vnfd:vnfd-catalog']['vnfd'][0]
 241
 242         test = OsmParser()
 243
 244         result = test.nsr_to_graph(nsr_object)
 245         return __response_handler(request, result)
 246     else:
 247         result = {'type': type, 'project_id': project_id, 'instance_id': instance_id}
 248         return __response_handler(request, result, 'instance_topology_view.html')
 249
 250
 251 @login_required
 252 def show(request, instance_id=None, type=None):
 253     # result = {}
 254     user = osmutils.get_user(request)
 255     project_id = user.project_id
 256     client = Client()
 257     if type == 'ns':
 258         result = client.ns_get(user.get_token(), instance_id)
 259     elif type == 'vnf':
 260         result = client.vnf_get(user.get_token(), instance_id)
 261     elif type == 'pdu':
 262         result = client.pdu_get(user.get_token(), instance_id)
 263     elif type == 'nsi':
 264         result = client.nsi_get(user.get_token(), instance_id)
 265     print result
 266     return __response_handler(request, result)
 267
 268
 269 @login_required
 270 def export_metric(request, instance_id=None, type=None):
 271     metric_data = request.POST.dict()
 272     user = osmutils.get_user(request)
 273     project_id = user.project_id
 274     client = Client()
 275     keys = ["collection_period",
 276             "vnf_member_index",
 277             "metric_name",
 278             "correlation_id",
 279             "vdu_name",
 280             "collection_unit"]
 281     metric_data = dict(filter(lambda i: i[0] in keys and len(i[1]) > 0, metric_data.items()))
 282
 283     result = client.ns_metric_export(user.get_token(), instance_id, metric_data)
 284
 285     if result['error']:
 286         print result
 287         return __response_handler(request, result['data'], url=None,
 288                                   status=result['data']['status'] if 'status' in result['data'] else 500)
 289     else:
 290         return __response_handler(request, {}, url=None, status=200)
 291
 292
 293 @login_required
 294 def create_alarm(request, instance_id=None, type=None):
 295     metric_data = request.POST.dict()
 296     print metric_data
 297     user = osmutils.get_user(request)
 298     project_id = user.project_id
 299     client = Client()
 300
 301     keys = ["threshold_value",
 302             "vnf_member_index",
 303             "metric_name",
 304             "vdu_name",
 305             "alarm_name",
 306             "correlation_id",
 307             "statistic",
 308             "operation",
 309             "severity"]
 310     metric_data = dict(filter(lambda i: i[0] in keys and len(i[1]) > 0, metric_data.items()))
 311
 312     result = client.ns_alarm_create(user.get_token(), instance_id, metric_data)
 313     if result['error']:
 314         print result
 315         return __response_handler(request, result['data'], url=None,
 316                                   status=result['data']['status'] if 'status' in result['data'] else 500)
 317     else:
 318         return __response_handler(request, {}, url=None, status=200)
 319
 320
 321 def __response_handler(request, data_res, url=None, to_redirect=None, *args, **kwargs):
 322     raw_content_types = request.META.get('HTTP_ACCEPT', '*/*').split(',')
 323     if not to_redirect and ('application/json' in raw_content_types or url is None):
 324         return HttpResponse(json.dumps(data_res), content_type="application/json", *args, **kwargs)
 325     elif to_redirect:
 326         return redirect(url, *args, **kwargs)
 327     else:
 328         return render(request, url, data_res)