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     config_wim_account_id = {}
  62     user = osmutils.get_user(request)
  63     client = Client()
  64
  65     def get_vim_account_id(vim_account):
  66         if config_vim_account_id.get(vim_account):
  67             return config_vim_account_id[vim_account]
  68         result_client = client.vim_list(user.get_token())
  69         vim_list = result_client['data'] if result_client and result_client['error'] is False else []
  70         if vim_list is None or len(vim_list) == 0:
  71             raise ValueError("cannot find vim account '{}'".format(vim_account))
  72         for vim in vim_list:
  73             if vim_account == vim['name']:
  74                 config_vim_account_id[vim_account] = vim['uuid']
  75                 return vim['uuid']
  76
  77     def get_wim_account_id(wim_account):
  78
  79         if config_wim_account_id.get(wim_account):
  80             return config_wim_account_id[wim_account]
  81         result_client = client.wim_list(user.get_token())
  82         wim_list = result_client['data'] if result_client and result_client['error'] is False else []
  83         if wim_list is None or len(wim_list) == 0:
  84             raise ValueError("cannot find wim account '{}'".format(wim_account))
  85         for wim in wim_list:
  86             if wim_account == wim['name']:
  87                 config_wim_account_id[wim_account] = wim['uuid']
  88                 return wim['uuid']
  89
  90
  91     if type == 'ns':
  92         try:
  93
  94             ns_data = {
  95                 "nsName": request.POST.get('nsName', 'WithoutName'),
  96                 "nsDescription": request.POST.get('nsDescription', ''),
  97                 "nsdId": request.POST.get('nsdId', ''),
  98                 "vimAccountId": request.POST.get('vimAccountId', ''),
  99             }
 100             ns_data["ssh_keys"] = []
 101             if 'ssh_key' in request.POST and request.POST.get('ssh_key') != '':
 102                 ns_data["ssh_keys"].append(request.POST.get('ssh_key'))
 103             ssh_key_files = request.FILES.getlist('ssh_key_files')
 104             for ssh_key_file in ssh_key_files:
 105                 ssh_key = ''
 106                 for line in ssh_key_file:
 107                     ssh_key = ssh_key + line.decode()
 108                 ns_data["ssh_keys"].append(ssh_key)
 109
 110
 111             config_file = request.FILES.get('config_file')
 112
 113             if config_file is not None:
 114                 config = ''
 115                 for line in config_file:
 116                     config = config + line.decode()
 117                 ns_config = yaml.load(config)
 118             elif 'config' in request.POST and request.POST.get('config') != '':
 119                 ns_config = yaml.load(request.POST.get('config'))
 120             else:
 121                 ns_config = None
 122
 123
 124             if ns_config is not None:
 125                 if isinstance(ns_config, dict):
 126                     if "vim-network-name" in ns_config:
 127                         ns_config["vld"] = ns_config.pop("vim-network-name")
 128                     if "vld" in ns_config:
 129                         for vld in ns_config["vld"]:
 130                             if vld.get("vim-network-name"):
 131                                 if isinstance(vld["vim-network-name"], dict):
 132                                     vim_network_name_dict = {}
 133                                     for vim_account, vim_net in list(vld["vim-network-name"].items()):
 134                                         vim_network_name_dict[get_vim_account_id(vim_account)] = vim_net
 135                                     vld["vim-network-name"] = vim_network_name_dict
 136                             if "wim_account" in vld and vld["wim_account"] is not None:
 137                                 vld["wimAccountId"] = get_wim_account_id(vld.pop("wim_account"))
 138                         ns_data["vld"] = ns_config["vld"]
 139                     if "vnf" in ns_config:
 140                         for vnf in ns_config["vnf"]:
 141                             if vnf.get("vim_account"):
 142                                 vnf["vimAccountId"] = get_vim_account_id(vnf.pop("vim_account"))
 143                         ns_data["vnf"] = ns_config["vnf"]
 144
 145                     if "additionalParamsForNs" in ns_config:
 146                         ns_data["additionalParamsForNs"] = ns_config.pop("additionalParamsForNs")
 147                         if not isinstance(ns_data["additionalParamsForNs"], dict):
 148                             raise ValueError("Error  'additionalParamsForNs' must be a dictionary")
 149                     if "additionalParamsForVnf" in ns_config:
 150                         ns_data["additionalParamsForVnf"] = ns_config.pop("additionalParamsForVnf")
 151                         if not isinstance(ns_data["additionalParamsForVnf"], list):
 152                             raise ValueError("Error  'additionalParamsForVnf' must be a list")
 153                         for additional_param_vnf in ns_data["additionalParamsForVnf"]:
 154                             if not isinstance(additional_param_vnf, dict):
 155                                 raise ValueError("Error  'additionalParamsForVnf' items must be dictionaries")
 156                             if not additional_param_vnf.get("member-vnf-index"):
 157                                 raise ValueError("Error  'additionalParamsForVnf' items must contain "
 158                                                 "'member-vnf-index'")
 159                             if not additional_param_vnf.get("additionalParams"):
 160                                 raise ValueError("Error  'additionalParamsForVnf' items must contain "
 161                                                 "'additionalParams'")
 162                     if "wim_account" in ns_config:
 163                         wim_account = ns_config.pop("wim_account")
 164                         if wim_account is not None:
 165                             ns_data['wimAccountId'] = get_wim_account_id(wim_account)
 166
 167         except Exception as e:
 168             request.session["OSM_ERROR"] = "Error creating the NS; Invalid parameters provided."
 169             return __response_handler(request, {}, 'instances:list', to_redirect=True, type='ns', )
 170         result = client.ns_create(user.get_token(), ns_data)
 171         return __response_handler(request, result, 'instances:list', to_redirect=True, type='ns')
 172
 173     elif type == 'nsi':
 174         try:
 175             nsi_data = {
 176                 "nsiName": request.POST.get('nsiName', 'WithoutName'),
 177                 "nsiDescription": request.POST.get('nsiDescription', ''),
 178                 "nstId": request.POST.get('nstId', ''),
 179                 "vimAccountId": request.POST.get('vimAccountId', ''),
 180             }
 181
 182             nsi_data["ssh_keys"] = []
 183             if 'ssh_key' in request.POST and request.POST.get('ssh_key') != '':
 184                 nsi_data["ssh_keys"].append(request.POST.get('ssh_key'))
 185             ssh_key_files = request.FILES.getlist('ssh_key_files')
 186             for ssh_key_file in ssh_key_files:
 187                 ssh_key = ''
 188                 for line in ssh_key_file:
 189                     ssh_key = ssh_key + line.decode()
 190                 nsi_data["ssh_keys"].append(ssh_key)
 191             nsi_data["ssh_keys"] = ','.join(nsi_data["ssh_keys"])
 192
 193             config_file = request.FILES.get('config_file')
 194
 195             if config_file is not None:
 196                 config = ''
 197                 for line in config_file:
 198                     config = config + line.decode()
 199                 nsi_config = yaml.load(config)
 200             elif 'config' in request.POST and request.POST.get('config') != '':
 201                 nsi_config = yaml.load(request.POST.get('config'))
 202             else:
 203                 nsi_config = None
 204
 205             if nsi_config is not None:
 206                 if "netslice-vld" in nsi_config:
 207                     for vld in nsi_config["netslice-vld"]:
 208                         if vld.get("vim-network-name"):
 209                             if isinstance(vld["vim-network-name"], dict):
 210                                 vim_network_name_dict = {}
 211                                 for vim_account, vim_net in list(vld["vim-network-name"].items()):
 212                                     vim_network_name_dict[get_vim_account_id(vim_account)] = vim_net
 213                                 vld["vim-network-name"] = vim_network_name_dict
 214                     nsi_data["netslice-vld"] = nsi_config["netslice-vld"]
 215                 if "netslice-subnet" in nsi_config:
 216                     for nssubnet in nsi_config["netslice-subnet"]:
 217                         if "vld" in nssubnet:
 218                             for vld in nssubnet["vld"]:
 219                                 if vld.get("vim-network-name"):
 220                                     if isinstance(vld["vim-network-name"], dict):
 221                                         vim_network_name_dict = {}
 222                                         for vim_account, vim_net in list(vld["vim-network-name"].items()):
 223                                             vim_network_name_dict[get_vim_account_id(vim_account)] = vim_net
 224                                         vld["vim-network-name"] = vim_network_name_dict
 225                         if "vnf" in nssubnet:
 226                             for vnf in nsi_config["vnf"]:
 227                                 if vnf.get("vim_account"):
 228                                     vnf["vimAccountId"] = get_vim_account_id(vnf.pop("vim_account"))
 229                     nsi_data["netslice-subnet"] = nsi_config["netslice-subnet"]
 230                 if "additionalParamsForNsi" in nsi_config:
 231                     nsi_data["additionalParamsForNsi"] = nsi_config.pop("additionalParamsForNsi")
 232                     if not isinstance(nsi_data["additionalParamsForNsi"], dict):
 233                         raise ValueError("Error at 'additionalParamsForNsi' must be a dictionary")
 234                 if "additionalParamsForSubnet" in nsi_config:
 235                     nsi_data["additionalParamsForSubnet"] = nsi_config.pop("additionalParamsForSubnet")
 236                     if not isinstance(nsi_data["additionalParamsForSubnet"], list):
 237                         raise ValueError("Error 'additionalParamsForSubnet' must be a list")
 238                     for additional_param_subnet in nsi_data["additionalParamsForSubnet"]:
 239                         if not isinstance(additional_param_subnet, dict):
 240                             raise ValueError("Error 'additionalParamsForSubnet' items must be dictionaries")
 241                         if not additional_param_subnet.get("id"):
 242                             raise ValueError("Error 'additionalParamsForSubnet' items must contain subnet 'id'")
 243                         if not additional_param_subnet.get("additionalParamsForNs") and\
 244                                 not additional_param_subnet.get("additionalParamsForVnf"):
 245                             raise ValueError("Error 'additionalParamsForSubnet' items must contain "
 246                                             "'additionalParamsForNs' and/or 'additionalParamsForVnf'")
 247         except Exception as e:
 248             request.session["OSM_ERROR"] = "Error creating the NSI; Invalid parameters provided."
 249             return __response_handler(request, {}, 'instances:list', to_redirect=True, type=type)
 250
 251         result = client.nsi_create(user.get_token(), nsi_data)
 252         return __response_handler(request, result, 'instances:list', to_redirect=True, type=type)
 253
 254     elif type == 'pdu':
 255         interface_param_name = request.POST.getlist('interfaces_name')
 256         interface_param_ip = request.POST.getlist('interfaces_ip')
 257         interface_param_mgmt = request.POST.getlist('interfaces_mgmt')
 258         interface_param_netname = request.POST.getlist('interfaces_vimnetname')
 259
 260         pdu_payload = {
 261             "name": request.POST.get('name'),
 262             "type": request.POST.get('pdu_type'),
 263             "vim_accounts": request.POST.getlist('pdu_vim_accounts'),
 264             "description": request.POST.get('description'),
 265             "interfaces": []
 266         }
 267         for i in (0,len(interface_param_name)-1):
 268             pdu_payload['interfaces'].append({
 269                 'name': interface_param_name[i],
 270                 'mgmt': True if interface_param_mgmt[i] == 'true' else False,
 271                 'ip-address': interface_param_ip[i],
 272                 'vim-network-name': interface_param_netname[i]
 273             })
 274         result = client.pdu_create(user.get_token(), pdu_payload)
 275         if result['error']:
 276             return __response_handler(request, result['data'], url=None,
 277                                   status=result['data']['status'] if 'status' in result['data'] else 500)
 278         else:
 279             return __response_handler(request, {}, url=None, status=200)
 280
 281 @login_required
 282 def ns_operations(request, instance_id=None, type=None):
 283     user = osmutils.get_user(request)
 284     project_id = user.project_id
 285
 286     result = {'type': type, 'project_id': project_id, 'instance_id': instance_id}
 287     raw_content_types = request.META.get('HTTP_ACCEPT', '*/*').split(',')
 288     if 'application/json' not in raw_content_types:
 289         return __response_handler(request, result, 'instance_operations_list.html')
 290     client = Client()
 291     if type == 'ns':
 292         op_list = client.ns_op_list(user.get_token(), instance_id)
 293     elif type == 'nsi':
 294         op_list = client.nsi_op_list(user.get_token(), instance_id)
 295     result['operations'] = op_list['data'] if op_list and op_list['error'] is False else []
 296
 297     return __response_handler(request, result, 'instance_operations_list.html')
 298
 299 @login_required
 300 def ns_operation(request, op_id, instance_id=None, type=None):
 301     user = osmutils.get_user(request)
 302     client = Client()
 303     result = client.ns_op(user.get_token(), op_id)
 304     return __response_handler(request, result['data'])
 305
 306
 307 @login_required
 308 def action(request, instance_id=None, type=None):
 309     user = osmutils.get_user(request)
 310     client = Client()
 311     # result = client.ns_action(instance_id, action_payload)
 312     primitive_param_keys = request.POST.getlist('primitive_params_name')
 313     primitive_param_value = request.POST.getlist('primitive_params_value')
 314     action_payload = {
 315         "vnf_member_index": request.POST.get('vnf_member_index'),
 316         "primitive": request.POST.get('primitive'),
 317         "primitive_params": {k: v for k, v in zip(primitive_param_keys, primitive_param_value) if len(k) > 0}
 318     }
 319
 320     result = client.ns_action(user.get_token(), instance_id, action_payload)
 321     if result['error']:
 322         return __response_handler(request, result['data'], url=None,
 323                                   status=result['data']['status'] if 'status' in result['data'] else 500)
 324     else:
 325         return __response_handler(request, {}, url=None, status=200)
 326
 327
 328 @login_required
 329 def delete(request, instance_id=None, type=None):
 330     force = bool(request.GET.get('force', False))
 331     result = {}
 332     user = osmutils.get_user(request)
 333     client = Client()
 334     if type == 'ns':
 335         result = client.ns_delete(user.get_token(), instance_id, force)
 336     elif type == 'pdu':
 337         result = client.pdu_delete(user.get_token(), instance_id)
 338     elif type == 'nsi':
 339         result = client.nsi_delete(user.get_token(), instance_id, force)
 340
 341     if result['error']:
 342         return __response_handler(request, result['data'], url=None,
 343                                   status=result['data']['status'] if 'status' in result['data'] else 500)
 344     else:
 345         return __response_handler(request, {}, url=None, status=200)
 346
 347 @login_required
 348 def show_topology(request, instance_id=None, type=None):
 349     user = osmutils.get_user(request)
 350     project_id = user.project_id
 351     raw_content_types = request.META.get('HTTP_ACCEPT', '*/*').split(',')
 352     if 'application/json' in raw_content_types:
 353         client = Client()
 354         nsr_object = {'nsr': {}, 'vnfr': {}, 'vnfd': {}}
 355         if type == 'ns':
 356
 357             nsr_resp = client.ns_get(user.get_token(), instance_id)
 358             nsr_object['nsr'] = nsr_resp['data']
 359             if 'constituent-vnfr-ref' in nsr_object['nsr'] :
 360                 for vnfr_id in nsr_object['nsr']['constituent-vnfr-ref']:
 361                     vnfr_resp = client.vnf_get(user.get_token(), vnfr_id)
 362                     vnfr = vnfr_resp['data']
 363                     nsr_object['vnfr'][vnfr['id']] = vnfr
 364                     if vnfr['vnfd-id'] not in nsr_object['vnfd']:
 365                         vnfd_resp = client.vnfd_get(user.get_token(), vnfr['vnfd-id'])
 366                         nsr_object['vnfd'][vnfr['vnfd-id']] = vnfd_resp['vnfd:vnfd-catalog']['vnfd'][0]
 367
 368         test = OsmParser()
 369
 370         result = test.nsr_to_graph(nsr_object)
 371         return __response_handler(request, result)
 372     else:
 373         result = {'type': type, 'project_id': project_id, 'instance_id': instance_id}
 374         return __response_handler(request, result, 'instance_topology_view.html')
 375
 376
 377 @login_required
 378 def show(request, instance_id=None, type=None):
 379     # result = {}
 380     user = osmutils.get_user(request)
 381     project_id = user.project_id
 382     client = Client()
 383     if type == 'ns':
 384         result = client.ns_get(user.get_token(), instance_id)
 385     elif type == 'vnf':
 386         result = client.vnf_get(user.get_token(), instance_id)
 387     elif type == 'pdu':
 388         result = client.pdu_get(user.get_token(), instance_id)
 389     elif type == 'nsi':
 390         result = client.nsi_get(user.get_token(), instance_id)
 391
 392     return __response_handler(request, result)
 393
 394
 395 @login_required
 396 def export_metric(request, instance_id=None, type=None):
 397     metric_data = request.POST.dict()
 398     user = osmutils.get_user(request)
 399     project_id = user.project_id
 400     client = Client()
 401     keys = ["collection_period",
 402             "vnf_member_index",
 403             "metric_name",
 404             "correlation_id",
 405             "vdu_name",
 406             "collection_unit"]
 407     metric_data = dict(filter(lambda i: i[0] in keys and len(i[1]) > 0, metric_data.items()))
 408
 409     result = client.ns_metric_export(user.get_token(), instance_id, metric_data)
 410
 411     if result['error']:
 412         return __response_handler(request, result['data'], url=None,
 413                                   status=result['data']['status'] if 'status' in result['data'] else 500)
 414     else:
 415         return __response_handler(request, {}, url=None, status=200)
 416
 417
 418 @login_required
 419 def create_alarm(request, instance_id=None, type=None):
 420     metric_data = request.POST.dict()
 421     user = osmutils.get_user(request)
 422     project_id = user.project_id
 423     client = Client()
 424
 425     keys = ["threshold_value",
 426             "vnf_member_index",
 427             "metric_name",
 428             "vdu_name",
 429             "alarm_name",
 430             "correlation_id",
 431             "statistic",
 432             "operation",
 433             "severity"]
 434     metric_data = dict(filter(lambda i: i[0] in keys and len(i[1]) > 0, metric_data.items()))
 435
 436     result = client.ns_alarm_create(user.get_token(), instance_id, metric_data)
 437     if result['error']:
 438         return __response_handler(request, result['data'], url=None,
 439                                   status=result['data']['status'] if 'status' in result['data'] else 500)
 440     else:
 441         return __response_handler(request, {}, url=None, status=200)
 442
 443
 444 def __response_handler(request, data_res, url=None, to_redirect=None, *args, **kwargs):
 445     raw_content_types = request.META.get('HTTP_ACCEPT', '*/*').split(',')
 446     if not to_redirect and ('application/json' in raw_content_types or url is None):
 447         return HttpResponse(json.dumps(data_res), content_type="application/json", *args, **kwargs)
 448     elif to_redirect:
 449         return redirect(url, *args, **kwargs)
 450     else:
 451         return render(request, url, data_res)