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 get_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             return __response_handler(request, {'status': 400, 'code': 'BAD_REQUEST', 'detail': e.message} , url=None, status=400)
 169         result = client.ns_create(user.get_token(), ns_data)
 170
 171         if result['error']:
 172             return __response_handler(request, result['data'], url=None,
 173                                   status=result['data']['status'] if 'status' in result['data'] else 500)
 174         else:
 175             return __response_handler(request, {}, url=None, status=200)
 176
 177     elif type == 'nsi':
 178         try:
 179             nsi_data = {
 180                 "nsiName": request.POST.get('nsiName', 'WithoutName'),
 181                 "nsiDescription": request.POST.get('nsiDescription', ''),
 182                 "nstId": request.POST.get('nstId', ''),
 183                 "vimAccountId": request.POST.get('vimAccountId', ''),
 184             }
 185
 186             nsi_data["ssh_keys"] = []
 187             if 'ssh_key' in request.POST and request.POST.get('ssh_key') != '':
 188                 nsi_data["ssh_keys"].append(request.POST.get('ssh_key'))
 189             ssh_key_files = request.FILES.getlist('ssh_key_files')
 190             for ssh_key_file in ssh_key_files:
 191                 ssh_key = ''
 192                 for line in ssh_key_file:
 193                     ssh_key = ssh_key + line.decode()
 194                 nsi_data["ssh_keys"].append(ssh_key)
 195             nsi_data["ssh_keys"] = ','.join(nsi_data["ssh_keys"])
 196
 197             config_file = request.FILES.get('config_file')
 198
 199             if config_file is not None:
 200                 config = ''
 201                 for line in config_file:
 202                     config = config + line.decode()
 203                 nsi_config = yaml.load(config)
 204             elif 'config' in request.POST and request.POST.get('config') != '':
 205                 nsi_config = yaml.load(request.POST.get('config'))
 206             else:
 207                 nsi_config = None
 208
 209             if nsi_config is not None:
 210                 if "netslice-vld" in nsi_config:
 211                     for vld in nsi_config["netslice-vld"]:
 212                         if vld.get("vim-network-name"):
 213                             if isinstance(vld["vim-network-name"], dict):
 214                                 vim_network_name_dict = {}
 215                                 for vim_account, vim_net in list(vld["vim-network-name"].items()):
 216                                     vim_network_name_dict[get_vim_account_id(vim_account)] = vim_net
 217                                 vld["vim-network-name"] = vim_network_name_dict
 218                     nsi_data["netslice-vld"] = nsi_config["netslice-vld"]
 219                 if "netslice-subnet" in nsi_config:
 220                     for nssubnet in nsi_config["netslice-subnet"]:
 221                         if "vld" in nssubnet:
 222                             for vld in nssubnet["vld"]:
 223                                 if vld.get("vim-network-name"):
 224                                     if isinstance(vld["vim-network-name"], dict):
 225                                         vim_network_name_dict = {}
 226                                         for vim_account, vim_net in list(vld["vim-network-name"].items()):
 227                                             vim_network_name_dict[get_vim_account_id(vim_account)] = vim_net
 228                                         vld["vim-network-name"] = vim_network_name_dict
 229                         if "vnf" in nssubnet:
 230                             for vnf in nsi_config["vnf"]:
 231                                 if vnf.get("vim_account"):
 232                                     vnf["vimAccountId"] = get_vim_account_id(vnf.pop("vim_account"))
 233                     nsi_data["netslice-subnet"] = nsi_config["netslice-subnet"]
 234                 if "additionalParamsForNsi" in nsi_config:
 235                     nsi_data["additionalParamsForNsi"] = nsi_config.pop("additionalParamsForNsi")
 236                     if not isinstance(nsi_data["additionalParamsForNsi"], dict):
 237                         raise ValueError("Error at 'additionalParamsForNsi' must be a dictionary")
 238                 if "additionalParamsForSubnet" in nsi_config:
 239                     nsi_data["additionalParamsForSubnet"] = nsi_config.pop("additionalParamsForSubnet")
 240                     if not isinstance(nsi_data["additionalParamsForSubnet"], list):
 241                         raise ValueError("Error 'additionalParamsForSubnet' must be a list")
 242                     for additional_param_subnet in nsi_data["additionalParamsForSubnet"]:
 243                         if not isinstance(additional_param_subnet, dict):
 244                             raise ValueError("Error 'additionalParamsForSubnet' items must be dictionaries")
 245                         if not additional_param_subnet.get("id"):
 246                             raise ValueError("Error 'additionalParamsForSubnet' items must contain subnet 'id'")
 247                         if not additional_param_subnet.get("additionalParamsForNs") and\
 248                                 not additional_param_subnet.get("additionalParamsForVnf"):
 249                             raise ValueError("Error 'additionalParamsForSubnet' items must contain "
 250                                             "'additionalParamsForNs' and/or 'additionalParamsForVnf'")
 251         except Exception as e:
 252             return __response_handler(request, {'status': 400, 'code': 'BAD_REQUEST', 'detail': e.message} , url=None, status=400)
 253
 254         result = client.nsi_create(user.get_token(), nsi_data)
 255         if result['error']:
 256             return __response_handler(request, result['data'], url=None,
 257                                   status=result['data']['status'] if 'status' in result['data'] else 500)
 258         else:
 259             return __response_handler(request, {}, url=None, status=200)
 260
 261     elif type == 'pdu':
 262         interface_param_name = request.POST.getlist('interfaces_name')
 263         interface_param_ip = request.POST.getlist('interfaces_ip')
 264         interface_param_mgmt = request.POST.getlist('interfaces_mgmt')
 265         interface_param_netname = request.POST.getlist('interfaces_vimnetname')
 266
 267         pdu_payload = {
 268             "name": request.POST.get('name'),
 269             "type": request.POST.get('pdu_type'),
 270             "vim_accounts": request.POST.getlist('pdu_vim_accounts'),
 271             "description": request.POST.get('description'),
 272             "interfaces": []
 273         }
 274         for i in (0,len(interface_param_name)-1):
 275             pdu_payload['interfaces'].append({
 276                 'name': interface_param_name[i],
 277                 'mgmt': True if interface_param_mgmt[i] == 'true' else False,
 278                 'ip-address': interface_param_ip[i],
 279                 'vim-network-name': interface_param_netname[i]
 280             })
 281         result = client.pdu_create(user.get_token(), pdu_payload)
 282         if result['error']:
 283             return __response_handler(request, result['data'], url=None,
 284                                   status=result['data']['status'] if 'status' in result['data'] else 500)
 285         else:
 286             return __response_handler(request, {}, url=None, status=200)
 287
 288 @login_required
 289 def ns_operations(request, instance_id=None, type=None):
 290     user = osmutils.get_user(request)
 291     project_id = user.project_id
 292
 293     result = {'type': type, 'project_id': project_id, 'instance_id': instance_id}
 294     raw_content_types = request.META.get('HTTP_ACCEPT', '*/*').split(',')
 295     if 'application/json' not in raw_content_types:
 296         return __response_handler(request, result, 'instance_operations_list.html')
 297     client = Client()
 298     if type == 'ns':
 299         op_list = client.ns_op_list(user.get_token(), instance_id)
 300     elif type == 'nsi':
 301         op_list = client.nsi_op_list(user.get_token(), instance_id)
 302     result['operations'] = op_list['data'] if op_list and op_list['error'] is False else []
 303
 304     return __response_handler(request, result, 'instance_operations_list.html')
 305
 306 @login_required
 307 def ns_operation(request, op_id, instance_id=None, type=None):
 308     user = osmutils.get_user(request)
 309     client = Client()
 310     result = client.ns_op(user.get_token(), op_id)
 311     return __response_handler(request, result['data'])
 312
 313
 314 @login_required
 315 def action(request, instance_id=None, type=None):
 316     user = osmutils.get_user(request)
 317     client = Client()
 318     # result = client.ns_action(instance_id, action_payload)
 319     primitive_param_keys = request.POST.getlist('primitive_params_name')
 320     primitive_param_value = request.POST.getlist('primitive_params_value')
 321     action_payload = {
 322         "vnf_member_index": request.POST.get('vnf_member_index'),
 323         "primitive": request.POST.get('primitive'),
 324         "primitive_params": {k: v for k, v in zip(primitive_param_keys, primitive_param_value) if len(k) > 0}
 325     }
 326
 327     result = client.ns_action(user.get_token(), instance_id, action_payload)
 328     if result['error']:
 329         return __response_handler(request, result['data'], url=None,
 330                                   status=result['data']['status'] if 'status' in result['data'] else 500)
 331     else:
 332         return __response_handler(request, {}, url=None, status=200)
 333
 334
 335 @login_required
 336 def delete(request, instance_id=None, type=None):
 337     force = bool(request.GET.get('force', False))
 338     result = {}
 339     user = osmutils.get_user(request)
 340     client = Client()
 341     if type == 'ns':
 342         result = client.ns_delete(user.get_token(), instance_id, force)
 343     elif type == 'pdu':
 344         result = client.pdu_delete(user.get_token(), instance_id)
 345     elif type == 'nsi':
 346         result = client.nsi_delete(user.get_token(), instance_id, force)
 347
 348     if result['error']:
 349         return __response_handler(request, result['data'], url=None,
 350                                   status=result['data']['status'] if 'status' in result['data'] else 500)
 351     else:
 352         return __response_handler(request, {}, url=None, status=200)
 353
 354 @login_required
 355 def show_topology(request, instance_id=None, type=None):
 356     user = osmutils.get_user(request)
 357     project_id = user.project_id
 358     raw_content_types = request.META.get('HTTP_ACCEPT', '*/*').split(',')
 359     if 'application/json' in raw_content_types:
 360         client = Client()
 361         nsr_object = {'nsr': {}, 'vnfr': {}, 'vnfd': {}}
 362         if type == 'ns':
 363
 364             nsr_resp = client.ns_get(user.get_token(), instance_id)
 365             nsr_object['nsr'] = nsr_resp['data']
 366             if 'constituent-vnfr-ref' in nsr_object['nsr'] :
 367                 for vnfr_id in nsr_object['nsr']['constituent-vnfr-ref']:
 368                     vnfr_resp = client.vnf_get(user.get_token(), vnfr_id)
 369                     vnfr = vnfr_resp['data']
 370                     nsr_object['vnfr'][vnfr['id']] = vnfr
 371                     if vnfr['vnfd-id'] not in nsr_object['vnfd']:
 372                         vnfd_resp = client.vnfd_get(user.get_token(), vnfr['vnfd-id'])
 373                         nsr_object['vnfd'][vnfr['vnfd-id']] = vnfd_resp['vnfd:vnfd-catalog']['vnfd'][0]
 374
 375         test = OsmParser()
 376
 377         result = test.nsr_to_graph(nsr_object)
 378         return __response_handler(request, result)
 379     else:
 380         result = {'type': type, 'project_id': project_id, 'instance_id': instance_id}
 381         return __response_handler(request, result, 'instance_topology_view.html')
 382
 383
 384 @login_required
 385 def show(request, instance_id=None, type=None):
 386     # result = {}
 387     user = osmutils.get_user(request)
 388     project_id = user.project_id
 389     client = Client()
 390     if type == 'ns':
 391         result = client.ns_get(user.get_token(), instance_id)
 392     elif type == 'vnf':
 393         result = client.vnf_get(user.get_token(), instance_id)
 394     elif type == 'pdu':
 395         result = client.pdu_get(user.get_token(), instance_id)
 396     elif type == 'nsi':
 397         result = client.nsi_get(user.get_token(), instance_id)
 398
 399     return __response_handler(request, result)
 400
 401
 402 @login_required
 403 def export_metric(request, instance_id=None, type=None):
 404     metric_data = request.POST.dict()
 405     user = osmutils.get_user(request)
 406     project_id = user.project_id
 407     client = Client()
 408     keys = ["collection_period",
 409             "vnf_member_index",
 410             "metric_name",
 411             "correlation_id",
 412             "vdu_name",
 413             "collection_unit"]
 414     metric_data = dict(filter(lambda i: i[0] in keys and len(i[1]) > 0, metric_data.items()))
 415
 416     result = client.ns_metric_export(user.get_token(), instance_id, metric_data)
 417
 418     if result['error']:
 419         return __response_handler(request, result['data'], url=None,
 420                                   status=result['data']['status'] if 'status' in result['data'] else 500)
 421     else:
 422         return __response_handler(request, {}, url=None, status=200)
 423
 424
 425 @login_required
 426 def create_alarm(request, instance_id=None, type=None):
 427     metric_data = request.POST.dict()
 428     user = osmutils.get_user(request)
 429     project_id = user.project_id
 430     client = Client()
 431
 432     keys = ["threshold_value",
 433             "vnf_member_index",
 434             "metric_name",
 435             "vdu_name",
 436             "alarm_name",
 437             "correlation_id",
 438             "statistic",
 439             "operation",
 440             "severity"]
 441     metric_data = dict(filter(lambda i: i[0] in keys and len(i[1]) > 0, metric_data.items()))
 442
 443     result = client.ns_alarm_create(user.get_token(), instance_id, metric_data)
 444     if result['error']:
 445         return __response_handler(request, result['data'], url=None,
 446                                   status=result['data']['status'] if 'status' in result['data'] else 500)
 447     else:
 448         return __response_handler(request, {}, url=None, status=200)
 449
 450
 451 def __response_handler(request, data_res, url=None, to_redirect=None, *args, **kwargs):
 452     raw_content_types = request.META.get('HTTP_ACCEPT', '*/*').split(',')
 453     if not to_redirect and ('application/json' in raw_content_types or url is None):
 454         return HttpResponse(json.dumps(data_res), content_type="application/json", *args, **kwargs)
 455     elif to_redirect:
 456         return redirect(url, *args, **kwargs)
 457     else:
 458         return render(request, url, data_res)