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
  94 @login_required
  95 def clone_descriptor(request, descriptor_type=None, descriptor_id=None):
  96     user = osmutils.get_user(request)
  97     project_id = user.project_id
  98
  99     try:
 100         client = Client()
 101         if descriptor_type == 'nsd':
 102             result = client.nsd_clone(user.get_token(), descriptor_id)
 103         elif descriptor_type == 'vnfd':
 104             result = client.vnfd_clone(user.get_token(), descriptor_id)
 105         else:
 106             log.debug('Update descriptor: Unknown data type')
 107             result = {'error': True, 'data': 'Update descriptor: Unknown data type'}
 108     except Exception as e:
 109         log.exception(e)
 110         result = {'error': True, 'data': str(e)}
 111     if result['error'] == True:
 112         return __response_handler(request, result['data'], url=None,
 113                                   status=result['data']['status'] if 'status' in result['data'] else 500)
 114
 115     else:
 116         return __response_handler(request, {}, url=None, status=200)
 117
 118 @login_required
 119 def addElement(request, descriptor_type=None, descriptor_id=None, element_type=None):
 120     user = osmutils.get_user(request)
 121     project_id = user.project_id
 122     client = Client()
 123     if descriptor_type == 'nsd':
 124         descriptor_result = client.nsd_get(user.get_token(), descriptor_id)
 125         element_id = request.POST.get('id', '')
 126         util = OsmUtil()
 127         descriptor_updated = util.add_base_node('nsd', descriptor_result, element_type, element_id, request.POST.dict())
 128         result = client.nsd_update(user.get_token(), descriptor_id, descriptor_updated)
 129         if result['error'] == True:
 130             return __response_handler(request, result['data'], url=None,
 131                                       status=result['data']['status'] if 'status' in result['data'] else 500)
 132         else:
 133             parser = OsmParser()
 134             # print nsr_object
 135             if descriptor_type == 'nsd':
 136                 result_graph = parser.nsd_to_graph(descriptor_updated)
 137
 138         return __response_handler(request, result_graph, url=None, status=200)
 139
 140     elif descriptor_type == 'vnfd':
 141         descriptor_result = client.vnfd_get(user.get_token(), descriptor_id)
 142         element_id = request.POST.get('id', '')
 143         util = OsmUtil()
 144         descriptor_updated = util.add_base_node('vnfd', descriptor_result, element_type, element_id, request.POST.dict())
 145         result = client.vnfd_update(user.get_token(), descriptor_id, descriptor_updated)
 146         if result['error'] == True:
 147             return __response_handler(request, result['data'], url=None,
 148                                       status=result['data']['status'] if 'status' in result['data'] else 500)
 149         else:
 150             parser = OsmParser()
 151             # print nsr_object
 152             if descriptor_type == 'vnfd':
 153                 result_graph = parser.vnfd_to_graph(descriptor_updated)
 154
 155         return __response_handler(request, result_graph, url=None, status=200)
 156
 157
 158 @login_required
 159 def removeElement(request, descriptor_type=None, descriptor_id=None, element_type=None):
 160     user = osmutils.get_user(request)
 161     project_id = user.project_id
 162     client = Client()
 163     if descriptor_type == 'nsd':
 164         descriptor_result = client.nsd_get(user.get_token(), descriptor_id)
 165         element_id = request.POST.get('id', '')
 166         util = OsmUtil()
 167         descriptor_updated = util.remove_node('nsd', descriptor_result, element_type, element_id, request.POST.dict())
 168         result = client.nsd_update(user.get_token(), descriptor_id, descriptor_updated)
 169         if result['error'] == True:
 170             return __response_handler(request, result['data'], url=None,
 171                                       status=result['data']['status'] if 'status' in result['data'] else 500)
 172         else:
 173             parser = OsmParser()
 174             # print nsr_object
 175             if descriptor_type == 'nsd':
 176                 result_graph = parser.nsd_to_graph(descriptor_updated)
 177
 178         return __response_handler(request, result_graph, url=None, status=200)
 179
 180 @login_required
 181 def updateElement(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         util = OsmUtil()
 188         payload = request.POST.dict()
 189         if element_type == 'graph_params':
 190             descriptor_updated = util.update_graph_params('nsd', descriptor_result, json.loads(payload['update']))
 191         else:
 192             descriptor_updated = util.update_node('nsd', descriptor_result, element_type, json.loads(payload['old']), json.loads(payload['update']))
 193         result = client.nsd_update(user.get_token(), descriptor_id, descriptor_updated)
 194         if result['error'] == True:
 195             return __response_handler(request, result['data'], url=None,
 196                                       status=result['data']['status'] if 'status' in result['data'] else 500)
 197         else:
 198             parser = OsmParser()
 199             # print nsr_object
 200             if descriptor_type == 'nsd':
 201                 result_graph = parser.nsd_to_graph(descriptor_updated)
 202
 203         return __response_handler(request, result_graph, url=None, status=200)
 204
 205 @login_required
 206 def new_descriptor(request, descriptor_type=None):
 207     user = osmutils.get_user(request)
 208     project_id = user.project_id
 209     page = 'descriptor_new.html'
 210     if request.method == 'GET':
 211         request_id = request.GET.get('id', '')
 212
 213         return __response_handler(request,  {
 214             'project_id': project_id,
 215             'descriptor_type': descriptor_type,
 216             'descriptor_id': request_id,
 217         }, page)
 218     elif request.method == 'POST':
 219         data_type = request.POST.get('type')
 220         if data_type == "file":
 221             file_uploaded = request.FILES['file']
 222
 223             try:
 224                 client = Client()
 225                 if descriptor_type == 'nsd':
 226                     result = client.nsd_onboard(user.get_token(), file_uploaded)
 227                 elif descriptor_type == 'vnfd':
 228                     result = client.vnfd_onboard(user.get_token(), file_uploaded)
 229                 else:
 230                     log.debug('Create descriptor: Unknown data type')
 231                     result = {'error': True, 'data': 'Create descriptor: Unknown data type'}
 232
 233             except Exception as e:
 234                 log.exception(e)
 235                 result = {'error': True, 'data': str(e)}
 236         else:
 237             result = {'error': True, 'data': 'Create descriptor: Unknown data type'}
 238
 239         if result['error']:
 240             return __response_handler(request, result['data'], url=None, status=result['data']['status'] if 'status' in result['data'] else 500)
 241         else:
 242             return __response_handler(request, {}, url=None, status=200)
 243
 244
 245 @login_required
 246 def edit_descriptor(request, descriptor_id=None, descriptor_type=None):
 247     user = osmutils.get_user(request)
 248     project_id = user.project_id
 249     if request.method == 'POST':
 250         new_data = request.POST.get('text'),
 251         data_type = request.POST.get('type')
 252         #print new_data
 253         try:
 254             client = Client()
 255             if descriptor_type == 'nsd':
 256                 if data_type == 'yaml':
 257                     new_data = yaml.load(request.POST.get('text'))
 258                 elif data_type == 'json':
 259                     new_data = json.loads(request.POST.get('text'))
 260                 result = client.nsd_update(user.get_token(), descriptor_id, new_data)
 261             elif descriptor_type == 'vnfd':
 262                 if data_type == 'yaml':
 263                     new_data = yaml.load(request.POST.get('text'))
 264                 elif data_type == 'json':
 265                     new_data = json.loads(request.POST.get('text'))
 266                 result = client.vnfd_update(user.get_token(), descriptor_id, new_data)
 267
 268             else:
 269                 log.debug('Update descriptor: Unknown data type')
 270                 result = {'error': True, 'data': 'Update descriptor: Unknown data type'}
 271         except Exception as e:
 272             log.exception(e)
 273             result = {'error': True, 'data': str(e)}
 274         if result['error'] == True:
 275             return __response_handler(request, result['data'], url=None, status=result['data']['status'] if 'status' in result['data'] else 500)
 276
 277         else:
 278             return __response_handler(request, {}, url=None, status=200)
 279
 280     elif request.method == 'GET':
 281
 282         page = 'descriptor_view.html'
 283         try:
 284             client = Client()
 285             if descriptor_type == 'nsd':
 286                 result = client.nsd_get(user.get_token(), descriptor_id)
 287             elif descriptor_type == 'vnfd':
 288                 result = client.vnfd_get(user.get_token(), descriptor_id)
 289
 290         except Exception as e:
 291             log.exception(e)
 292             result = {'error': True, 'data': str(e)}
 293
 294         if isinstance(result, dict) and 'error' in result and result['error']:
 295             return render(request, 'error.html')
 296
 297         descriptor_string_json = json.dumps(result, indent=2)
 298         descriptor_string_yaml = Util.json2yaml(result)
 299         # print descriptor
 300         return render(request, page, {
 301             'project_id': project_id,
 302             'descriptor_id': descriptor_id,
 303             'descriptor_type': descriptor_type,
 304             'descriptor_strings': {'descriptor_string_yaml': descriptor_string_yaml,
 305                                    'descriptor_string_json': descriptor_string_json}})
 306
 307
 308 @login_required
 309 def get_package_files_list(request, descriptor_id, descriptor_type):
 310     user = osmutils.get_user(request)
 311     try:
 312         client = Client()
 313         if descriptor_type == 'nsd':
 314             artifacts_res = client.nsd_artifacts(user.get_token(), descriptor_id)
 315         elif descriptor_type == 'vnfd':
 316             artifacts_res = client.vnf_packages_artifacts(user.get_token(), descriptor_id)
 317         else:
 318             return False
 319
 320         files_list = yaml.load(artifacts_res['data'] if artifacts_res and artifacts_res['error'] is False else [])
 321         result = {'files': files_list}
 322     except Exception as e:
 323         log.exception(e)
 324         url = 'error.html'
 325         result = {'error_msg': 'Unknown error.'}
 326     return __response_handler(request, result)
 327
 328
 329 @login_required
 330 def download_pkg(request, descriptor_id, descriptor_type):
 331     user = osmutils.get_user(request)
 332     file_name = "osm_export.tar.gz"
 333     tar_pkg = None
 334     try:
 335         client = Client()
 336         if descriptor_type == 'nsd':
 337             tar_pkg = client.get_nsd_pkg(user.get_token(), descriptor_id)
 338         elif descriptor_type == 'vnfd':
 339             tar_pkg = client.get_vnfd_pkg(user.get_token(), descriptor_id)
 340
 341     except Exception as e:
 342         log.exception(e)
 343
 344     response = HttpResponse(content_type="application/tgz")
 345     response["Content-Disposition"] = "attachment; filename="+ file_name
 346     response.write(tar_pkg.getvalue())
 347     return response
 348
 349 @login_required
 350 def open_composer(request):
 351     user = osmutils.get_user(request)
 352     project_id = user.project_id
 353     descriptor_id = request.GET.get('id')
 354     descriptor_type = request.GET.get('type')
 355     result = {}
 356     client = Client()
 357     if descriptor_id:
 358         raw_content_types = request.META.get('HTTP_ACCEPT', '*/*').split(',')
 359         if 'application/json' not in raw_content_types:
 360             return __response_handler(request, {'type': descriptor_type}, 'composer.html')
 361         try:
 362             if descriptor_type == 'nsd':
 363                 descriptor_result = client.nsd_get(user.get_token(), descriptor_id)
 364             elif descriptor_type == 'vnfd':
 365                 descriptor_result = client.vnfd_get(user.get_token(), descriptor_id)
 366
 367         except Exception as e:
 368             descriptor_result = {'error': True, 'data': str(e)}
 369
 370         if isinstance(descriptor_result, dict) and 'error' in descriptor_result and descriptor_result['error']:
 371             return render(request, 'error.html')
 372
 373         test = OsmParser()
 374         # print nsr_object
 375         if descriptor_type == 'nsd':
 376             result = test.nsd_to_graph(descriptor_result)
 377         elif descriptor_type == 'vnfd':
 378             result = test.vnfd_to_graph(descriptor_result)
 379         return __response_handler(request, result, 'composer.html')
 380
 381     return __response_handler(request, result, 'composer.html')
 382
 383
 384 def get_available_nodes(request):
 385     user = osmutils.get_user(request)
 386     params = request.GET.dict()
 387     client = Client()
 388     result = []
 389     try:
 390         if params['layer'] == 'nsd':
 391             descriptors = client.vnfd_list(user.get_token())
 392     except Exception as e:
 393         log.exception(e)
 394         descriptors = []
 395     if descriptors and descriptors['error'] is False:
 396         for desc in descriptors['data']:
 397             # print desc
 398             result.append({'_id': desc['_id'],'id': desc['id'], 'name': desc['short-name']})
 399
 400     return __response_handler(request, {'descriptors': result})
 401
 402
 403 @login_required
 404 def custom_action(request, descriptor_id=None, descriptor_type=None, action_name=None):
 405     if request.method == 'GET':
 406         return globals()[action_name](request, descriptor_id, descriptor_type)
 407
 408
 409 def __response_handler(request, data_res, url=None, to_redirect=None, *args, **kwargs):
 410     raw_content_types = request.META.get('HTTP_ACCEPT', '*/*').split(',')
 411     if 'application/json' in raw_content_types or url is None:
 412         return HttpResponse(json.dumps(data_res), content_type="application/json", *args, **kwargs)
 413     elif to_redirect:
 414         return redirect(url, *args, **kwargs)
 415     else:
 416         return render(request, url, data_res)