descriptorhandler/views.py

   1 #
   2 #   Copyright 2018 EveryUP Srl
   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 import json
  18 import logging
  19
  20 import yaml
  21 from sf_t3d.decorators import login_required
  22 from django.http import HttpResponse
  23 from django.shortcuts import render, redirect
  24
  25
  26 from lib.util import Util
  27 from lib.osm.osmclient.clientv2 import Client
  28 from lib.osm.osm_rdcl_parser import OsmParser
  29 from lib.osm.osm_util import OsmUtil
  30 import authosm.utils as osmutils
  31
  32 logging.basicConfig(level=logging.DEBUG)
  33 log = logging.getLogger('descriptorhandler/view.py')
  34
  35
  36 @login_required
  37 def show_descriptors(request, descriptor_type=None):
  38     user = osmutils.get_user(request)
  39     project_id = user.project_id
  40     client = Client()
  41     try:
  42         if descriptor_type == 'nsd':
  43             descriptors = client.nsd_list(user.get_token())
  44         elif descriptor_type == 'vnfd':
  45             descriptors = client.vnfd_list(user.get_token())
  46     except Exception as e:
  47         log.exception(e)
  48         descriptors = []
  49
  50     url = 'osm/osm_project_descriptors.html'
  51     return __response_handler(request, {
  52         'descriptors': descriptors['data'] if descriptors and descriptors['error'] is False else [],
  53         'project_id': project_id,
  54         'project_type': 'osm',
  55         'descriptor_type': descriptor_type
  56     }, url)
  57
  58
  59 @login_required
  60 def delete_descriptor(request, descriptor_type=None, descriptor_id=None):
  61     user = osmutils.get_user(request)
  62     project_id = user.project_id
  63     try:
  64         client = Client()
  65         if descriptor_type == 'nsd':
  66             result = client.nsd_delete(user.get_token(), descriptor_id)
  67         elif descriptor_type == 'vnfd':
  68             result = client.vnfd_delete(user.get_token(), descriptor_id)
  69     except Exception as e:
  70         log.exception(e)
  71         result = {'error': True, 'data': str(e)}
  72
  73     url = 'osm/osm_project_descriptors.html'
  74     descriptors = {}
  75     try:
  76         if descriptor_type == 'nsd':
  77             descriptors = client.nsd_list(user.get_token())
  78         elif descriptor_type == 'vnfd':
  79             descriptors = client.vnfd_list(user.get_token())
  80     except Exception as e:
  81         log.exception(e)
  82
  83     return __response_handler(request, {
  84         'descriptors': descriptors['data'] if descriptors and descriptors['error'] is False else [],
  85         'project_id': project_id,
  86         'project_type': 'osm',
  87         'descriptor_type': descriptor_type,
  88         'alert_message': {
  89             'success': False if result['error'] is True else True,
  90             'message': 'An error occurred while processing your request.' if result and result['error'] is True else "Record deleted successfully"}
  91     }, url)
  92
  93 @login_required
  94 def create_package_empty(request, descriptor_type=None):
  95     user = osmutils.get_user(request)
  96     pkg_name = request.POST.get('name', '')
  97     try:
  98         client = Client()
  99         if descriptor_type == 'nsd':
 100             result = client.nsd_create_pkg_base(user.get_token(), pkg_name)
 101         elif descriptor_type == 'vnfd':
 102             result = client.vnfd_create_pkg_base(user.get_token(), pkg_name)
 103         else:
 104             log.debug('Update descriptor: Unknown data type')
 105             result = {'error': True, 'data': 'Update descriptor: Unknown data type'}
 106     except Exception as e:
 107         log.exception(e)
 108         result = {'error': True, 'data': str(e)}
 109
 110     if result['error'] == True:
 111         return __response_handler(request, result['data'], url=None,
 112                                   status=result['data']['status'] if 'status' in result['data'] else 500)
 113     else:
 114         result['data']['type'] = descriptor_type
 115         return __response_handler(request, result, url=None, status=200)
 116
 117
 118 @login_required
 119 def clone_descriptor(request, descriptor_type=None, descriptor_id=None):
 120     user = osmutils.get_user(request)
 121     project_id = user.project_id
 122     try:
 123         client = Client()
 124         if descriptor_type == 'nsd':
 125             result = client.nsd_clone(user.get_token(), descriptor_id)
 126         elif descriptor_type == 'vnfd':
 127             result = client.vnfd_clone(user.get_token(), descriptor_id)
 128         else:
 129             log.debug('Update descriptor: Unknown data type')
 130             result = {'error': True, 'data': 'Update descriptor: Unknown data type'}
 131     except Exception as e:
 132         log.exception(e)
 133         result = {'error': True, 'data': str(e)}
 134     if result['error'] == True:
 135         return __response_handler(request, result['data'], url=None,
 136                                   status=result['data']['status'] if 'status' in result['data'] else 500)
 137     else:
 138         return __response_handler(request, {}, url=None, status=200)
 139
 140 @login_required
 141 def addElement(request, descriptor_type=None, descriptor_id=None, element_type=None):
 142     user = osmutils.get_user(request)
 143     project_id = user.project_id
 144     client = Client()
 145     if descriptor_type == 'nsd':
 146         descriptor_result = client.nsd_get(user.get_token(), descriptor_id)
 147         element_id = request.POST.get('id', '')
 148         util = OsmUtil()
 149         descriptor_updated = util.add_base_node('nsd', descriptor_result, element_type, element_id, request.POST.dict())
 150         result = client.nsd_update(user.get_token(), descriptor_id, descriptor_updated)
 151         if result['error'] == True:
 152             return __response_handler(request, result['data'], url=None,
 153                                       status=result['data']['status'] if 'status' in result['data'] else 500)
 154         else:
 155             parser = OsmParser()
 156             # print nsr_object
 157             if descriptor_type == 'nsd':
 158                 result_graph = parser.nsd_to_graph(descriptor_updated)
 159
 160         return __response_handler(request, result_graph, url=None, status=200)
 161
 162     elif descriptor_type == 'vnfd':
 163         descriptor_result = client.vnfd_get(user.get_token(), descriptor_id)
 164         element_id = request.POST.get('id', '')
 165         util = OsmUtil()
 166         descriptor_updated = util.add_base_node('vnfd', descriptor_result, element_type, element_id, request.POST.dict())
 167         result = client.vnfd_update(user.get_token(), descriptor_id, descriptor_updated)
 168         if result['error'] == True:
 169             return __response_handler(request, result['data'], url=None,
 170                                       status=result['data']['status'] if 'status' in result['data'] else 500)
 171         else:
 172             parser = OsmParser()
 173             # print nsr_object
 174             if descriptor_type == 'vnfd':
 175                 result_graph = parser.vnfd_to_graph(descriptor_updated)
 176
 177         return __response_handler(request, result_graph, url=None, status=200)
 178
 179
 180 @login_required
 181 def removeElement(request, descriptor_type=None, descriptor_id=None, element_type=None):
 182     user = osmutils.get_user(request)
 183     project_id = user.project_id
 184     client = Client()
 185     if descriptor_type == 'nsd':
 186         descriptor_result = client.nsd_get(user.get_token(), descriptor_id)
 187         element_id = request.POST.get('id', '')
 188         util = OsmUtil()
 189         descriptor_updated = util.remove_node('nsd', descriptor_result, element_type, element_id, request.POST.dict())
 190         result = client.nsd_update(user.get_token(), descriptor_id, descriptor_updated)
 191         if result['error'] == True:
 192             return __response_handler(request, result['data'], url=None,
 193                                       status=result['data']['status'] if 'status' in result['data'] else 500)
 194         else:
 195             parser = OsmParser()
 196             # print nsr_object
 197             if descriptor_type == 'nsd':
 198                 result_graph = parser.nsd_to_graph(descriptor_updated)
 199
 200         return __response_handler(request, result_graph, url=None, status=200)
 201
 202     elif descriptor_type == 'vnfd':
 203         descriptor_result = client.vnfd_get(user.get_token(), descriptor_id)
 204         element_id = request.POST.get('id', '')
 205         util = OsmUtil()
 206         descriptor_updated = util.remove_node('vnfd', descriptor_result, element_type, element_id, request.POST.dict())
 207         result = client.vnfd_update(user.get_token(), descriptor_id, descriptor_updated)
 208         if result['error'] == True:
 209             return __response_handler(request, result['data'], url=None,
 210                                       status=result['data']['status'] if 'status' in result['data'] else 500)
 211         else:
 212             parser = OsmParser()
 213             # print nsr_object
 214             if descriptor_type == 'vnfd':
 215                 result_graph = parser.vnfd_to_graph(descriptor_updated)
 216
 217             return __response_handler(request, result_graph, url=None, status=200)
 218
 219 @login_required
 220 def updateElement(request, descriptor_type=None, descriptor_id=None, element_type=None):
 221     user = osmutils.get_user(request)
 222     project_id = user.project_id
 223     client = Client()
 224     if descriptor_type == 'nsd':
 225         descriptor_result = client.nsd_get(user.get_token(), descriptor_id)
 226         util = OsmUtil()
 227         payload = request.POST.dict()
 228         if element_type == 'graph_params':
 229             descriptor_updated = util.update_graph_params('nsd', descriptor_result, json.loads(payload['update']))
 230         else:
 231             descriptor_updated = util.update_node('nsd', descriptor_result, element_type, json.loads(payload['old']), json.loads(payload['update']))
 232         result = client.nsd_update(user.get_token(), descriptor_id, descriptor_updated)
 233         if result['error'] == True:
 234             return __response_handler(request, result['data'], url=None,
 235                                       status=result['data']['status'] if 'status' in result['data'] else 500)
 236         else:
 237             parser = OsmParser()
 238             # print nsr_object
 239             if descriptor_type == 'nsd':
 240                 result_graph = parser.nsd_to_graph(descriptor_updated)
 241     if descriptor_type == 'vnfd':
 242         descriptor_result = client.vnfd_get(user.get_token(), descriptor_id)
 243         util = OsmUtil()
 244         payload = request.POST.dict()
 245         if element_type == 'graph_params':
 246             descriptor_updated = util.update_graph_params('vnfd', descriptor_result, json.loads(payload['update']))
 247         else:
 248             descriptor_updated = util.update_node('vnfd', descriptor_result, element_type, json.loads(payload['old']), json.loads(payload['update']))
 249         result = client.vnfd_update(user.get_token(), descriptor_id, descriptor_updated)
 250         if result['error'] == True:
 251             return __response_handler(request, result['data'], url=None,
 252                                       status=result['data']['status'] if 'status' in result['data'] else 500)
 253         else:
 254             parser = OsmParser()
 255             if descriptor_type == 'vnfd':
 256                 result_graph = parser.vnfd_to_graph(descriptor_updated)
 257
 258         return __response_handler(request, result_graph, url=None, status=200)
 259
 260 @login_required
 261 def new_descriptor(request, descriptor_type=None):
 262     user = osmutils.get_user(request)
 263     project_id = user.project_id
 264     page = 'descriptor_new.html'
 265     if request.method == 'GET':
 266         request_id = request.GET.get('id', '')
 267
 268         return __response_handler(request,  {
 269             'project_id': project_id,
 270             'descriptor_type': descriptor_type,
 271             'descriptor_id': request_id,
 272         }, page)
 273     elif request.method == 'POST':
 274         data_type = request.POST.get('type')
 275         if data_type == "file":
 276             file_uploaded = request.FILES['file']
 277
 278             try:
 279                 client = Client()
 280                 if descriptor_type == 'nsd':
 281                     result = client.nsd_onboard(user.get_token(), file_uploaded)
 282                 elif descriptor_type == 'vnfd':
 283                     result = client.vnfd_onboard(user.get_token(), file_uploaded)
 284                 else:
 285                     log.debug('Create descriptor: Unknown data type')
 286                     result = {'error': True, 'data': 'Create descriptor: Unknown data type'}
 287
 288             except Exception as e:
 289                 log.exception(e)
 290                 result = {'error': True, 'data': str(e)}
 291         else:
 292             result = {'error': True, 'data': 'Create descriptor: Unknown data type'}
 293
 294         if result['error']:
 295             return __response_handler(request, result['data'], url=None, status=result['data']['status'] if 'status' in result['data'] else 500)
 296         else:
 297             return __response_handler(request, {}, url=None, status=200)
 298
 299
 300 @login_required
 301 def edit_descriptor(request, descriptor_id=None, descriptor_type=None):
 302     user = osmutils.get_user(request)
 303     project_id = user.project_id
 304     if request.method == 'POST':
 305         new_data = request.POST.get('text'),
 306         data_type = request.POST.get('type')
 307         #print new_data
 308         try:
 309             client = Client()
 310             if descriptor_type == 'nsd':
 311                 if data_type == 'yaml':
 312                     new_data = yaml.load(request.POST.get('text'))
 313                 elif data_type == 'json':
 314                     new_data = json.loads(request.POST.get('text'))
 315                 result = client.nsd_update(user.get_token(), descriptor_id, new_data)
 316             elif descriptor_type == 'vnfd':
 317                 if data_type == 'yaml':
 318                     new_data = yaml.load(request.POST.get('text'))
 319                 elif data_type == 'json':
 320                     new_data = json.loads(request.POST.get('text'))
 321                 result = client.vnfd_update(user.get_token(), descriptor_id, new_data)
 322
 323             else:
 324                 log.debug('Update descriptor: Unknown data type')
 325                 result = {'error': True, 'data': 'Update descriptor: Unknown data type'}
 326         except Exception as e:
 327             log.exception(e)
 328             result = {'error': True, 'data': str(e)}
 329         if result['error'] == True:
 330             return __response_handler(request, result['data'], url=None, status=result['data']['status'] if 'status' in result['data'] else 500)
 331
 332         else:
 333             return __response_handler(request, {}, url=None, status=200)
 334
 335     elif request.method == 'GET':
 336
 337         page = 'descriptor_view.html'
 338         try:
 339             client = Client()
 340             if descriptor_type == 'nsd':
 341                 result = client.nsd_get(user.get_token(), descriptor_id)
 342             elif descriptor_type == 'vnfd':
 343                 result = client.vnfd_get(user.get_token(), descriptor_id)
 344         except Exception as e:
 345             log.exception(e)
 346             result = {'error': True, 'data': str(e)}
 347
 348         if isinstance(result, dict) and 'error' in result and result['error']:
 349             return render(request, 'error.html')
 350
 351         descriptor_string_json = json.dumps(result, indent=2)
 352         descriptor_string_yaml = Util.json2yaml(result)
 353         # print descriptor
 354         return render(request, page, {
 355             'project_id': project_id,
 356             'descriptor_id': descriptor_id,
 357             'descriptor_type': descriptor_type,
 358             'descriptor_strings': {'descriptor_string_yaml': descriptor_string_yaml,
 359                                    'descriptor_string_json': descriptor_string_json}})
 360
 361
 362 @login_required
 363 def get_package_files_list(request, descriptor_id, descriptor_type):
 364     user = osmutils.get_user(request)
 365     try:
 366         client = Client()
 367         if descriptor_type == 'nsd':
 368             artifacts_res = client.nsd_artifacts(user.get_token(), descriptor_id)
 369         elif descriptor_type == 'vnfd':
 370             artifacts_res = client.vnf_packages_artifacts(user.get_token(), descriptor_id)
 371         else:
 372             return False
 373
 374         files_list = yaml.load(artifacts_res['data'] if artifacts_res and artifacts_res['error'] is False else [])
 375         result = {'files': files_list}
 376     except Exception as e:
 377         log.exception(e)
 378         url = 'error.html'
 379         result = {'error_msg': 'Unknown error.'}
 380     return __response_handler(request, result)
 381
 382
 383 @login_required
 384 def download_pkg(request, descriptor_id, descriptor_type):
 385     user = osmutils.get_user(request)
 386     file_name = "osm_export.tar.gz"
 387     tar_pkg = None
 388     try:
 389         client = Client()
 390         if descriptor_type == 'nsd':
 391             tar_pkg = client.get_nsd_pkg(user.get_token(), descriptor_id)
 392         elif descriptor_type == 'vnfd':
 393             tar_pkg = client.get_vnfd_pkg(user.get_token(), descriptor_id)
 394
 395     except Exception as e:
 396         log.exception(e)
 397
 398     response = HttpResponse(content_type="application/tgz")
 399     response["Content-Disposition"] = "attachment; filename="+ file_name
 400     response.write(tar_pkg.getvalue())
 401     return response
 402
 403 @login_required
 404 def open_composer(request):
 405     user = osmutils.get_user(request)
 406     project_id = user.project_id
 407     descriptor_id = request.GET.get('id')
 408     descriptor_type = request.GET.get('type')
 409     result = {}
 410     client = Client()
 411     if descriptor_id:
 412         raw_content_types = request.META.get('HTTP_ACCEPT', '*/*').split(',')
 413         if 'application/json' not in raw_content_types:
 414             return __response_handler(request, {'type': descriptor_type}, 'composer.html')
 415         try:
 416             if descriptor_type == 'nsd':
 417                 descriptor_result = client.nsd_get(user.get_token(), descriptor_id)
 418             elif descriptor_type == 'vnfd':
 419                 descriptor_result = client.vnfd_get(user.get_token(), descriptor_id)
 420
 421         except Exception as e:
 422             descriptor_result = {'error': True, 'data': str(e)}
 423
 424         if isinstance(descriptor_result, dict) and 'error' in descriptor_result and descriptor_result['error']:
 425             return render(request, 'error.html')
 426
 427         test = OsmParser()
 428         # print nsr_object
 429         if descriptor_type == 'nsd':
 430             result = test.nsd_to_graph(descriptor_result)
 431         elif descriptor_type == 'vnfd':
 432             result = test.vnfd_to_graph(descriptor_result)
 433         return __response_handler(request, result, 'composer.html')
 434
 435     return __response_handler(request, result, 'composer.html')
 436
 437
 438 def get_available_nodes(request):
 439     user = osmutils.get_user(request)
 440     params = request.GET.dict()
 441     client = Client()
 442     result = []
 443     try:
 444         if params['layer'] == 'nsd':
 445             descriptors = client.vnfd_list(user.get_token())
 446     except Exception as e:
 447         log.exception(e)
 448         descriptors = []
 449     if descriptors and descriptors['error'] is False:
 450         for desc in descriptors['data']:
 451             # print desc
 452             result.append({'_id': desc['_id'],'id': desc['id'], 'name': desc['short-name']})
 453
 454     return __response_handler(request, {'descriptors': result})
 455
 456
 457 @login_required
 458 def custom_action(request, descriptor_id=None, descriptor_type=None, action_name=None):
 459     if request.method == 'GET':
 460         return globals()[action_name](request, descriptor_id, descriptor_type)
 461
 462
 463 def __response_handler(request, data_res, url=None, to_redirect=None, *args, **kwargs):
 464     raw_content_types = request.META.get('HTTP_ACCEPT', '*/*').split(',')
 465     if 'application/json' in raw_content_types or url is None:
 466         return HttpResponse(json.dumps(data_res), content_type="application/json", *args, **kwargs)
 467     elif to_redirect:
 468         return redirect(url, *args, **kwargs)
 469     else:
 470         return render(request, url, data_res)