lib/osm/osm_rdcl_parser.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
  18 import logging
  19 # from lib.rdcl_graph import RdclGraph
  20 import copy
  21
  22 logging.basicConfig(level=logging.DEBUG)
  23 log = logging.getLogger('OsmParser')
  24
  25
  26 class RdclGraph(object):
  27     """ Operates on the graph representation used for the GUI graph views """
  28     node_ids = []
  29     node_t3d_base = {
  30         'info': {
  31             'property': {
  32                 'custom_label': '',
  33             },
  34             'type': '',
  35             'group': []
  36         }
  37     }
  38
  39     def __init__(self):
  40         pass
  41
  42     def add_link(self, source, target, view, group, graph_object, optional={}):
  43         if (source is None or source not in self.node_ids) or (target is None or target not in self.node_ids):
  44             return
  45         edge_obj = {
  46             'source': source,
  47             'target': target,
  48             'view': view,
  49             'group': [group],
  50         }
  51
  52         edge_obj.update(optional)
  53         #if edge_obj not in graph_object['edges']:
  54         #    graph_object['edges'].append(edge_obj)
  55         graph_object['edges'].append(edge_obj)
  56
  57     def add_node(self, id, type, group, positions, graph_object, optional={}):
  58         if id is None:
  59             return
  60         node = next((x for x in graph_object['vertices'] if x['id'] == id), None)
  61         if node is not None:
  62             node['info']['group'].append(group)
  63         else:
  64             node = copy.deepcopy(self.node_t3d_base)
  65             node['id'] = id
  66             node['info']['type'] = type
  67             if group is not None:
  68                 node['info']['group'].append(group)
  69             if positions and id in positions['vertices'] and 'x' in positions['vertices'][id] and 'y' in \
  70                     positions['vertices'][id]:
  71                 node['fx'] = positions['vertices'][id]['x']
  72                 node['fy'] = positions['vertices'][id]['y']
  73             node['info'].update(optional)
  74             graph_object['vertices'].append(node)
  75             self.node_ids.append(id)
  76
  77     def is_directed_edge(self, source_type=None, target_type=None, layer=None, model={}):
  78         if source_type is None or target_type is None or layer is None:
  79             return None
  80         if layer in model['layer'] and 'allowed_edges' in model['layer'][layer]:
  81             if source_type in model['layer'][layer]['allowed_edges'] and target_type in \
  82                     model['layer'][layer]['allowed_edges'][source_type]['destination']:
  83                 edge_pro = model['layer'][layer]['allowed_edges'][source_type]['destination'][target_type]
  84                 return edge_pro['direct_edge'] if 'direct_edge' in edge_pro else False
  85
  86         return None
  87
  88
  89 class OsmParser(RdclGraph):
  90     """ Operates on the graph representation used for the GUI graph views """
  91
  92     def nsr_to_graph(self, nsr_full):
  93
  94         graph = {'vertices': [], 'edges': [], 'model': {
  95             "layer": {
  96
  97                 "nsr": {
  98                     "nodes": {
  99                         "vnfr": {
 100                             "addable": {},
 101                             "removable": {},
 102                             "expands": "vnfr"
 103                         },
 104                         "ns_vl": {
 105                             "addable": {},
 106                             "removable": {}
 107                         },
 108                         "ns_cp": {
 109                             "addable": {},
 110                             "removable": {}
 111                         },
 112
 113                     },
 114                     "allowed_edges": {
 115                         "ns_vl": {
 116                             "destination": {
 117                                 "vnfr": {
 118                                     "callback": "addLink",
 119                                     "direct_edge": False,
 120                                     "removable": {}
 121                                 }
 122                             }
 123                         },
 124                         "vnfr": {
 125                             "destination": {
 126                                 "ns_vl": {
 127                                     "callback": "addLink",
 128                                     "direct_edge": False,
 129                                     "removable": {}
 130                                 },
 131
 132                             }
 133                         }
 134
 135                     }
 136                 },
 137
 138                 "vnfr": {
 139                     "nodes": {
 140                         "vdur": {},
 141                         "cp": {},
 142                         "int_cp": {},
 143                         "vnf_vl": {}
 144
 145                     },
 146                     "allowed_edges": {
 147                         "vdur": {
 148                             "destination": {
 149                                 "cp": {
 150                                     "direct_edge": False,
 151                                 },
 152                                 "int_cp": {
 153                                     "direct_edge": False,
 154                                 },
 155                                 "vnf_vl": {
 156                                     "direct_edge": False,
 157                                 }
 158                             }
 159                         },
 160                         "cp": {
 161                             "destination": {
 162                                 "vdur": {
 163                                     "direct_edge": False,
 164                                 }
 165                             }
 166                         },
 167                         "int_cp": {
 168                             "destination": {
 169                                 "vdur": {
 170                                     "direct_edge": False,
 171                                 },
 172                                 "vnf_vl": {
 173                                     "direct_edge": False,
 174                                 }
 175                             }
 176                         },
 177                         "vnf_vl": {
 178                             "destination": {
 179                                 "vdur": {
 180                                     "direct_edge": False
 181                                 }
 182                             }
 183                         }
 184                     }
 185                 },
 186                 "name": "OSM",
 187                 "version": 1,
 188                 "description": "osm"
 189             }
 190         }, 'graph_parameters': {'view': {'nsr': {}, 'vnfr': {}}}}
 191
 192         nsr = nsr_full['nsr']
 193
 194         graph['graph_parameters']['view']['nsr'] = {}
 195         nsr_graph_param = graph['graph_parameters']['view']['nsr']
 196         nsr_graph_param['id'] = nsr['_id'] if '_id' in nsr else None
 197         nsr_graph_param['nsdId'] = nsr['nsdId'] if 'nsdId' in nsr else None
 198         nsr_graph_param['name-ref'] = nsr['name-ref'] if 'name-ref' in nsr else None
 199         nsr_graph_param['operational-status'] = nsr['operational-status'] if 'operational-status' in nsr else None
 200         nsr_graph_param['config-status'] = nsr['config-status'] if 'config-status' in nsr else None
 201         nsr_graph_param['detailed-status'] = nsr['detailed-status'] if 'detailed-status' in nsr else None
 202         nsr_graph_param['create-time'] = nsr['create-time'] if 'create-time' in nsr else None
 203         nsr_graph_param['instantiate_params'] = nsr['instantiate_params'] if 'instantiate_params' in nsr else None
 204
 205         map_vnf_index_to_id = {}
 206         for vnfr_id in nsr['constituent-vnfr-ref']:
 207             current_vnfr = nsr_full['vnfr'][vnfr_id]
 208
 209             graph['graph_parameters']['view']['vnfr'][vnfr_id] = {}
 210             vnfr_graph_param = graph['graph_parameters']['view']['vnfr'][vnfr_id]
 211             vnfr_graph_param['id'] = vnfr_id
 212             vnfr_graph_param['vnfd-id'] = current_vnfr['vnfd-id']
 213             vnfr_graph_param['vnfd-ref'] = current_vnfr['vnfd-ref']
 214             vnfr_graph_param['member-vnf-index-ref'] = current_vnfr['member-vnf-index-ref']
 215             vnfr_graph_param['vim-account-id'] = current_vnfr['vim-account-id']
 216             vnfr_graph_param['created-time'] = current_vnfr['created-time']
 217
 218             vnfr_label = current_vnfr['vnfd-ref'] + ':' + current_vnfr['member-vnf-index-ref']
 219             map_vnf_index_to_id[current_vnfr['member-vnf-index-ref']] = vnfr_id
 220             self.add_node(vnfr_id, 'vnfr', None, None, graph,
 221                           {'property': {'custom_label': vnfr_label}, 'osm': current_vnfr})
 222
 223             for cp in current_vnfr['connection-point']:
 224                 if cp['id']:
 225                     cp_id = vnfr_label + ':' + cp['id']
 226                     self.add_node(cp_id, 'cp', vnfr_id, None, graph, {'osm': cp})
 227
 228             for vdur in current_vnfr['vdur']:
 229                 vdur_id = vnfr_label + ':' + vdur['vdu-id-ref']
 230                 self.add_node(vdur_id, 'vdur', vnfr_id, None, graph, {'osm': vdur})
 231                 if current_vnfr['vnfd-id'] in nsr_full['vnfd']:
 232                     for vdu in nsr_full['vnfd'][current_vnfr['vnfd-id']]['vdu']:
 233                         if vdu['id'] == vdur['vdu-id-ref']:
 234                             if 'internal-connection-point' in vdu:
 235                                 for int_cp in vdu['internal-connection-point']:
 236                                     cp_id = vnfr_label + ':' + int_cp['id']
 237                                     self.add_node(cp_id, 'int_cp', vnfr_id, None, graph, {'osm': int_cp})
 238                             for interface in vdu['interface']:
 239                                 if interface['type'] == "EXTERNAL":
 240                                     cp_id = vnfr_label + ':' + interface['external-connection-point-ref']
 241                                     self.add_link(cp_id, vdur_id, 'vnfr', vnfr_id, graph)
 242                                 elif interface['type'] == "INTERNAL":
 243                                     cp_id = vnfr_label + ':' + interface['internal-connection-point-ref']
 244                                     self.add_link(cp_id, vdur_id, 'vnfr', vnfr_id, graph)
 245
 246             if current_vnfr['vnfd-id'] in nsr_full['vnfd'] and 'internal-vld' in nsr_full['vnfd'][
 247                 current_vnfr['vnfd-id']]:
 248                 for vnfd_vld in nsr_full['vnfd'][current_vnfr['vnfd-id']]['internal-vld']:
 249                     vld_id = vnfr_label + ':' + vnfd_vld['id']
 250                     self.add_node(vld_id, 'vnf_vl', vnfr_id, None, graph, {'osm': vnfd_vld})
 251                     if vnfd_vld['internal-connection-point']:
 252                         for int_cp in vnfd_vld['internal-connection-point']:
 253                             int_cp_id = vnfr_label + ':' + int_cp['id-ref']
 254                             self.add_link(vld_id, int_cp_id, 'vnfr', vnfr_id, graph)
 255
 256         for ns_vld in nsr['nsd']['vld']:
 257             self.add_node(ns_vld['id'], 'ns_vl', None, None, graph,
 258                           {'property': {'custom_label': ns_vld['name']}, 'osm': ns_vld})
 259             for cp_ref in ns_vld['vnfd-connection-point-ref']:
 260                 self.add_link(map_vnf_index_to_id[str(cp_ref['member-vnf-index-ref'])], ns_vld['id'], 'nsr', None,
 261                               graph)
 262
 263         return graph
 264
 265     def vnfd_to_graph(self, vnfd_catalog):
 266         graph = {'vertices': [], 'edges': [], 'model': {
 267             "layer": {
 268                 "vnfd": {
 269                     "nodes": {
 270                         "vdu": {},
 271                         "cp": {},
 272                         "int_cp": {},
 273                         "vnf_vl": {}
 274
 275                     },
 276                     "allowed_edges": {
 277                         "vdu": {
 278                             "destination": {
 279                                 "cp": {
 280                                     "direct_edge": False,
 281                                 },
 282                                 "int_cp": {
 283                                     "direct_edge": False,
 284                                 },
 285                                 "vnf_vl": {
 286                                     "direct_edge": False,
 287                                 }
 288                             }
 289                         },
 290                         "cp": {
 291                             "destination": {
 292                                 "vdu": {
 293                                     "direct_edge": False,
 294                                 }
 295                             }
 296                         },
 297                         "int_cp": {
 298                             "destination": {
 299                                 "vdu": {
 300                                     "direct_edge": False,
 301                                 },
 302                                 "vnf_vl": {
 303                                     "direct_edge": False,
 304                                 }
 305                             }
 306                         },
 307                         "vnf_vl": {
 308                             "destination": {
 309                                 "vdu": {
 310                                     "direct_edge": False
 311                                 }
 312                             }
 313                         }
 314                     }
 315                 },
 316                 "name": "OSM",
 317                 "version": 1,
 318                 "description": "osm"
 319             }
 320         }, 'graph_parameters': {'view': {'vnfd': {}}}}
 321         if 'vnfd-catalog' in vnfd_catalog:
 322             vnfd = vnfd_catalog['vnfd-catalog']['vnfd'][0]
 323         elif 'vnfd:vnfd-catalog' in vnfd_catalog:
 324             vnfd = vnfd_catalog['vnfd:vnfd-catalog']['vnfd'][0]
 325         else:
 326             return graph
 327         if 'connection-point' in vnfd:
 328             for extCp in vnfd['connection-point']:
 329                 self.add_node(extCp['name'], 'cp', vnfd['id'], None, graph,
 330                               {'property': {'custom_label': extCp['name']}, 'osm': extCp})
 331         if 'vdu' in vnfd:
 332             for vdu in vnfd['vdu']:
 333                 self.add_node(vdu['id'], 'vdu', vnfd['id'], None, graph,
 334                               {'property': {'custom_label': vdu['id']}, 'osm': vdu})
 335                 if 'internal-connection-point' in vdu:
 336                     for intCp in vdu['internal-connection-point']:
 337                         self.add_node(intCp['id'], 'int_cp', vnfd['id'], None, graph,
 338                                       {'property': {'custom_label': intCp['id']}, 'osm': intCp})
 339                 if 'interface' in vdu:
 340                     for interface in vdu['interface']:
 341                         if interface['type'] == "EXTERNAL":
 342                             self.add_link(vdu['id'], interface['external-connection-point-ref'], 'vnfd', vnfd['id'], graph)
 343                         elif interface['type'] == "INTERNAL":
 344                             self.add_link(vdu['id'], interface['internal-connection-point-ref'], 'vnfd', vnfd['id'], graph, {'short': True})
 345         if 'internal-vld' in vnfd:
 346             for intVl in vnfd['internal-vld']:
 347                 self.add_node(intVl['id'], 'vnf_vl', intVl['id'], None, graph,
 348                               {'property': {'custom_label': intVl['id']}, 'osm': intVl})
 349                 for intCp in intVl['internal-connection-point']:
 350                     self.add_link(intVl['id'], intCp['id-ref'], 'vnfd', vnfd['id'], graph)
 351
 352         return graph
 353
 354     def nsd_to_graph(self, nsd_catalog):
 355         graph = {'vertices': [], 'edges': [], 'model': {
 356             "layer": {
 357                 "nsd": {
 358                     "nodes": {
 359                         "vnfd": {},
 360                         "cp": {},
 361                         "ns_vl": {}
 362                     },
 363                     "allowed_edges": {
 364                         "cp": {
 365                             "destination": {
 366                                 "vnfd": {
 367                                     "direct_edge": False,
 368                                 }
 369                             }
 370                         },
 371                         "vnfd":{
 372                             "destination": {
 373                                 "ns_vl": {
 374                                     "direct_edge": False,
 375                                 }
 376                             }
 377                         },
 378                         "ns_vl": {
 379                             "destination": {
 380                                 "vnfd": {
 381                                     "direct_edge": False,
 382                                 }
 383                             }
 384                         }
 385                     }
 386                 },
 387                 "vnfd": {
 388                     "nodes": {
 389                         "vdu": {},
 390                         "cp": {},
 391                         "int_cp": {},
 392                         "vnf_vl": {}
 393                     },
 394                     "allowed_edges": {
 395                         "vdu": {
 396                             "destination": {
 397                                 "cp": {
 398                                     "direct_edge": False,
 399                                 },
 400                                 "int_cp": {
 401                                     "direct_edge": False,
 402                                 },
 403                                 "vnf_vl": {
 404                                     "direct_edge": False,
 405                                 }
 406                             }
 407                         },
 408                         "cp": {
 409                             "destination": {
 410                                 "vdu": {
 411                                     "direct_edge": False,
 412                                 }
 413                             }
 414                         },
 415                         "int_cp": {
 416                             "destination": {
 417                                 "vdu": {
 418                                     "direct_edge": False,
 419                                 },
 420                                 "vnf_vl": {
 421                                     "direct_edge": False,
 422                                 }
 423                             }
 424                         },
 425                         "vnf_vl": {
 426                             "destination": {
 427                                 "vdu": {
 428                                     "direct_edge": False
 429                                 }
 430                             }
 431                         }
 432                     }
 433                 },
 434                 "name": "OSM",
 435                 "version": 1,
 436                 "description": "osm"
 437             }
 438         }, 'graph_parameters': {'view': {'vnfd': {}}}}
 439         if 'nsd-catalog' in nsd_catalog:
 440             nsd = nsd_catalog['nsd-catalog']['nsd'][0]
 441         elif 'nsd:nsd-catalog' in nsd_catalog:
 442             nsd = nsd_catalog['nsd:nsd-catalog']['nsd'][0]
 443         else:
 444             return graph
 445         if 'constituent-vnfd' in nsd:
 446             for vnfd in nsd['constituent-vnfd']:
 447                 costinuent_id = vnfd['vnfd-id-ref']+":"+vnfd['member-vnf-index']
 448                 self.add_node(costinuent_id, 'vnf', None, None, graph,
 449                               {'property': {'custom_label': costinuent_id}, 'osm': vnfd})
 450
 451         if 'vld' in nsd:
 452             for vld in nsd['vld']:
 453                 self.add_node(vld['id'], 'ns_vl', None, None, graph,
 454                               {'property': {'custom_label': vld['id']}, 'osm': vld})
 455                 if 'vnfd-connection-point-ref' in vld:
 456                     for cp_ref in vld['vnfd-connection-point-ref']:
 457                         vnfd_id = cp_ref['vnfd-id-ref'] + ':' + str(cp_ref['member-vnf-index-ref'])
 458                         self.add_link(vld['id'], vnfd_id, 'nsd', None, graph)
 459
 460         return graph
 461
 462
 463 if __name__ == '__main__':
 464     parser = OsmParser()
 465     print parser.nsr_to_graph({})