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 @login_required
 141 def removeElement(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.remove_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 @login_required
 163 def updateElement(request, descriptor_type=None, descriptor_id=None, element_type=None):
 164     user = osmutils.get_user(request)
 165     project_id = user.project_id
 166     client = Client()
 167     if descriptor_type == 'nsd':
 168         descriptor_result = client.nsd_get(user.get_token(), descriptor_id)
 169         util = OsmUtil()
 170         payload = request.POST.dict()
 171         if element_type == 'graph_params':
 172             descriptor_updated = util.update_graph_params('nsd', descriptor_result, json.loads(payload['update']))
 173         else:
 174             descriptor_updated = util.update_node('nsd', descriptor_result, element_type, json.loads(payload['old']), json.loads(payload['update']))
 175         result = client.nsd_update(user.get_token(), descriptor_id, descriptor_updated)
 176         if result['error'] == True:
 177             return __response_handler(request, result['data'], url=None,
 178                                       status=result['data']['status'] if 'status' in result['data'] else 500)
 179         else:
 180             parser = OsmParser()
 181             # print nsr_object
 182             if descriptor_type == 'nsd':
 183                 result_graph = parser.nsd_to_graph(descriptor_updated)
 184
 185         return __response_handler(request, result_graph, url=None, status=200)
 186
 187 @login_required
 188 def new_descriptor(request, descriptor_type=None):
 189     user = osmutils.get_user(request)
 190     project_id = user.project_id
 191     page = 'descriptor_new.html'
 192     if request.method == 'GET':
 193         request_id = request.GET.get('id', '')
 194
 195         return __response_handler(request,  {
 196             'project_id': project_id,
 197             'descriptor_type': descriptor_type,
 198             'descriptor_id': request_id,
 199         }, page)
 200     elif request.method == 'POST':
 201         data_type = request.POST.get('type')
 202         if data_type == "file":
 203             file_uploaded = request.FILES['file']
 204
 205             try:
 206                 client = Client()
 207                 if descriptor_type == 'nsd':
 208                     result = client.nsd_onboard(user.get_token(), file_uploaded)
 209                 elif descriptor_type == 'vnfd':
 210                     result = client.vnfd_onboard(user.get_token(), file_uploaded)
 211                 else:
 212                     log.debug('Create descriptor: Unknown data type')
 213                     result = {'error': True, 'data': 'Create descriptor: Unknown data type'}
 214
 215             except Exception as e:
 216                 log.exception(e)
 217                 result = {'error': True, 'data': str(e)}
 218         else:
 219             result = {'error': True, 'data': 'Create descriptor: Unknown data type'}
 220
 221         if result['error']:
 222             return __response_handler(request, result['data'], url=None, status=result['data']['status'] if 'status' in result['data'] else 500)
 223         else:
 224             return __response_handler(request, {}, url=None, status=200)
 225
 226
 227 @login_required
 228 def edit_descriptor(request, descriptor_id=None, descriptor_type=None):
 229     user = osmutils.get_user(request)
 230     project_id = user.project_id
 231     if request.method == 'POST':
 232         new_data = request.POST.get('text'),
 233         data_type = request.POST.get('type')
 234         #print new_data
 235         try:
 236             client = Client()
 237             if descriptor_type == 'nsd':
 238                 if data_type == 'yaml':
 239                     new_data = yaml.load(request.POST.get('text'))
 240                 elif data_type == 'json':
 241                     new_data = json.loads(request.POST.get('text'))
 242                 result = client.nsd_update(user.get_token(), descriptor_id, new_data)
 243             elif descriptor_type == 'vnfd':
 244                 if data_type == 'yaml':
 245                     new_data = yaml.load(request.POST.get('text'))
 246                 elif data_type == 'json':
 247                     new_data = json.loads(request.POST.get('text'))
 248                 result = client.vnfd_update(user.get_token(), descriptor_id, new_data)
 249
 250             else:
 251                 log.debug('Update descriptor: Unknown data type')
 252                 result = {'error': True, 'data': 'Update descriptor: Unknown data type'}
 253         except Exception as e:
 254             log.exception(e)
 255             result = {'error': True, 'data': str(e)}
 256         if result['error'] == True:
 257             return __response_handler(request, result['data'], url=None, status=result['data']['status'] if 'status' in result['data'] else 500)
 258
 259         else:
 260             return __response_handler(request, {}, url=None, status=200)
 261
 262     elif request.method == 'GET':
 263
 264         page = 'descriptor_view.html'
 265         try:
 266             client = Client()
 267             if descriptor_type == 'nsd':
 268                 result = client.nsd_get(user.get_token(), descriptor_id)
 269             elif descriptor_type == 'vnfd':
 270                 result = client.vnfd_get(user.get_token(), descriptor_id)
 271
 272         except Exception as e:
 273             log.exception(e)
 274             result = {'error': True, 'data': str(e)}
 275
 276         if isinstance(result, dict) and 'error' in result and result['error']:
 277             return render(request, 'error.html')
 278
 279         descriptor_string_json = json.dumps(result, indent=2)
 280         descriptor_string_yaml = Util.json2yaml(result)
 281         # print descriptor
 282         return render(request, page, {
 283             'project_id': project_id,
 284             'descriptor_id': descriptor_id,
 285             'descriptor_type': descriptor_type,
 286             'descriptor_strings': {'descriptor_string_yaml': descriptor_string_yaml,
 287                                    'descriptor_string_json': descriptor_string_json}})
 288
 289
 290 @login_required
 291 def get_package_files_list(request, descriptor_id, descriptor_type):
 292     user = osmutils.get_user(request)
 293     try:
 294         client = Client()
 295         if descriptor_type == 'nsd':
 296             artifacts_res = client.nsd_artifacts(user.get_token(), descriptor_id)
 297         elif descriptor_type == 'vnfd':
 298             artifacts_res = client.vnf_packages_artifacts(user.get_token(), descriptor_id)
 299         else:
 300             return False
 301
 302         files_list = yaml.load(artifacts_res['data'] if artifacts_res and artifacts_res['error'] is False else [])
 303         result = {'files': files_list}
 304     except Exception as e:
 305         log.exception(e)
 306         url = 'error.html'
 307         result = {'error_msg': 'Unknown error.'}
 308     return __response_handler(request, result)
 309
 310
 311 @login_required
 312 def download_pkg(request, descriptor_id, descriptor_type):
 313     user = osmutils.get_user(request)
 314     file_name = "osm_export.tar.gz"
 315     tar_pkg = None
 316     try:
 317         client = Client()
 318         if descriptor_type == 'nsd':
 319             tar_pkg = client.get_nsd_pkg(user.get_token(), descriptor_id)
 320         elif descriptor_type == 'vnfd':
 321             tar_pkg = client.get_vnfd_pkg(user.get_token(), descriptor_id)
 322
 323     except Exception as e:
 324         log.exception(e)
 325
 326     response = HttpResponse(content_type="application/tgz")
 327     response["Content-Disposition"] = "attachment; filename="+ file_name
 328     response.write(tar_pkg.getvalue())
 329     return response
 330
 331 @login_required
 332 def open_composer(request):
 333     user = osmutils.get_user(request)
 334     project_id = user.project_id
 335     descriptor_id = request.GET.get('id')
 336     descriptor_type = request.GET.get('type')
 337     result = {}
 338     client = Client()
 339     if descriptor_id:
 340         raw_content_types = request.META.get('HTTP_ACCEPT', '*/*').split(',')
 341         if 'application/json' not in raw_content_types:
 342             return __response_handler(request, {'type': descriptor_type}, 'composer.html')
 343         try:
 344             if descriptor_type == 'nsd':
 345                 descriptor_result = client.nsd_get(user.get_token(), descriptor_id)
 346             elif descriptor_type == 'vnfd':
 347                 descriptor_result = client.vnfd_get(user.get_token(), descriptor_id)
 348
 349         except Exception as e:
 350             descriptor_result = {'error': True, 'data': str(e)}
 351
 352         if isinstance(descriptor_result, dict) and 'error' in descriptor_result and descriptor_result['error']:
 353             return render(request, 'error.html')
 354
 355         test = OsmParser()
 356         # print nsr_object
 357         if descriptor_type == 'nsd':
 358             result = test.nsd_to_graph(descriptor_result)
 359         elif descriptor_type == 'vnfd':
 360             result = test.vnfd_to_graph(descriptor_result)
 361         return __response_handler(request, result, 'composer.html')
 362
 363     return __response_handler(request, result, 'composer.html')
 364
 365
 366 def get_available_nodes(request):
 367     user = osmutils.get_user(request)
 368     params = request.GET.dict()
 369     client = Client()
 370     result = []
 371     try:
 372         if params['layer'] == 'nsd':
 373             descriptors = client.vnfd_list(user.get_token())
 374     except Exception as e:
 375         log.exception(e)
 376         descriptors = []
 377     if descriptors and descriptors['error'] is False:
 378         for desc in descriptors['data']:
 379             # print desc
 380             result.append({'_id': desc['_id'],'id': desc['id'], 'name': desc['short-name']})
 381
 382     return __response_handler(request, {'descriptors': result})
 383
 384
 385 @login_required
 386 def custom_action(request, descriptor_id=None, descriptor_type=None, action_name=None):
 387     if request.method == 'GET':
 388         return globals()[action_name](request, descriptor_id, descriptor_type)
 389
 390
 391 def __response_handler(request, data_res, url=None, to_redirect=None, *args, **kwargs):
 392     raw_content_types = request.META.get('HTTP_ACCEPT', '*/*').split(',')
 393     if 'application/json' in raw_content_types or url is None:
 394         return HttpResponse(json.dumps(data_res), content_type="application/json", *args, **kwargs)
 395     elif to_redirect:
 396         return redirect(url, *args, **kwargs)
 397     else:
 398         return render(request, url, data_res)