osm_nbi/instance_topics.py

   1 # -*- coding: utf-8 -*-
   2
   3 # import logging
   4 from uuid import uuid4
   5 from http import HTTPStatus
   6 from time import time
   7 from copy import copy, deepcopy
   8 from validation import validate_input, ValidationError, ns_instantiate, ns_action, ns_scale
   9 from base_topic import BaseTopic, EngineException, get_iterable
  10 from descriptor_topics import DescriptorTopic
  11
  12 __author__ = "Alfonso Tierno <alfonso.tiernosepulveda@telefonica.com>"
  13
  14
  15 class NsrTopic(BaseTopic):
  16     topic = "nsrs"
  17     topic_msg = "ns"
  18
  19     def __init__(self, db, fs, msg):
  20         BaseTopic.__init__(self, db, fs, msg)
  21
  22     def _check_descriptor_dependencies(self, session, descriptor):
  23         """
  24         Check that the dependent descriptors exist on a new descriptor or edition
  25         :param session: client session information
  26         :param descriptor: descriptor to be inserted or edit
  27         :return: None or raises exception
  28         """
  29         if not descriptor.get("nsdId"):
  30             return
  31         nsd_id = descriptor["nsdId"]
  32         if not self.get_item_list(session, "nsds", {"id": nsd_id}):
  33             raise EngineException("Descriptor error at nsdId='{}' references a non exist nsd".format(nsd_id),
  34                                   http_code=HTTPStatus.CONFLICT)
  35
  36     @staticmethod
  37     def format_on_new(content, project_id=None, make_public=False):
  38         BaseTopic.format_on_new(content, project_id=project_id, make_public=make_public)
  39         content["_admin"]["nsState"] = "NOT_INSTANTIATED"
  40
  41     def check_conflict_on_del(self, session, _id, force=False):
  42         if force:
  43             return
  44         nsr = self.db.get_one("nsrs", {"_id": _id})
  45         if nsr["_admin"].get("nsState") == "INSTANTIATED":
  46             raise EngineException("nsr '{}' cannot be deleted because it is in 'INSTANTIATED' state. "
  47                                   "Launch 'terminate' operation first; or force deletion".format(_id),
  48                                   http_code=HTTPStatus.CONFLICT)
  49
  50     def delete(self, session, _id, force=False, dry_run=False):
  51         """
  52         Delete item by its internal _id
  53         :param session: contains the used login username, working project, and admin rights
  54         :param _id: server internal id
  55         :param force: indicates if deletion must be forced in case of conflict
  56         :param dry_run: make checking but do not delete
  57         :return: dictionary with deleted item _id. It raises EngineException on error: not found, conflict, ...
  58         """
  59         # TODO add admin to filter, validate rights
  60         BaseTopic.delete(self, session, _id, force, dry_run=True)
  61         if dry_run:
  62             return
  63
  64         v = self.db.del_one("nsrs", {"_id": _id})
  65         self.db.del_list("nslcmops", {"nsInstanceId": _id})
  66         self.db.del_list("vnfrs", {"nsr-id-ref": _id})
  67         # set all used pdus as free
  68         self.db.set_list("pdus", {"_admin.usage.nsr_id": _id},
  69                          {"_admin.usageState": "NOT_IN_USE", "_admin.usage": None})
  70         self._send_msg("deleted", {"_id": _id})
  71         return v
  72
  73     def new(self, rollback, session, indata=None, kwargs=None, headers=None, force=False, make_public=False):
  74         """
  75         Creates a new nsr into database. It also creates needed vnfrs
  76         :param rollback: list to append the created items at database in case a rollback must be done
  77         :param session: contains the used login username and working project
  78         :param indata: params to be used for the nsr
  79         :param kwargs: used to override the indata descriptor
  80         :param headers: http request headers
  81         :param force: If True avoid some dependence checks
  82         :param make_public: Make the created item public to all projects
  83         :return: the _id of nsr descriptor created at database
  84         """
  85
  86         try:
  87             ns_request = self._remove_envelop(indata)
  88             # Override descriptor with query string kwargs
  89             self._update_input_with_kwargs(ns_request, kwargs)
  90             self._validate_input_new(ns_request, force)
  91
  92             step = ""
  93             # look for nsr
  94             step = "getting nsd id='{}' from database".format(ns_request.get("nsdId"))
  95             _filter = {"_id": ns_request["nsdId"]}
  96             _filter.update(BaseTopic._get_project_filter(session, write=False, show_all=True))
  97             nsd = self.db.get_one("nsds", _filter)
  98
  99             nsr_id = str(uuid4())
 100             now = time()
 101             step = "filling nsr from input data"
 102             nsr_descriptor = {
 103                 "name": ns_request["nsName"],
 104                 "name-ref": ns_request["nsName"],
 105                 "short-name": ns_request["nsName"],
 106                 "admin-status": "ENABLED",
 107                 "nsd": nsd,
 108                 "datacenter": ns_request["vimAccountId"],
 109                 "resource-orchestrator": "osmopenmano",
 110                 "description": ns_request.get("nsDescription", ""),
 111                 "constituent-vnfr-ref": [],
 112
 113                 "operational-status": "init",    # typedef ns-operational-
 114                 "config-status": "init",         # typedef config-states
 115                 "detailed-status": "scheduled",
 116
 117                 "orchestration-progress": {},
 118                 # {"networks": {"active": 0, "total": 0}, "vms": {"active": 0, "total": 0}},
 119
 120                 "crete-time": now,
 121                 "nsd-name-ref": nsd["name"],
 122                 "operational-events": [],   # "id", "timestamp", "description", "event",
 123                 "nsd-ref": nsd["id"],
 124                 "instantiate_params": ns_request,
 125                 "ns-instance-config-ref": nsr_id,
 126                 "id": nsr_id,
 127                 "_id": nsr_id,
 128                 # "input-parameter": xpath, value,
 129                 "ssh-authorized-key": ns_request.get("key-pair-ref"),  # TODO remove
 130             }
 131             ns_request["nsr_id"] = nsr_id
 132             # Create vld
 133             if nsd.get("vld"):
 134                 nsr_descriptor["vld"] = []
 135                 for nsd_vld in nsd.get("vld"):
 136                     nsr_descriptor["vld"].append(
 137                         {key: nsd_vld[key] for key in ("id", "vim-network-name") if key in nsd_vld})
 138
 139             # Create VNFR
 140             needed_vnfds = {}
 141             for member_vnf in nsd.get("constituent-vnfd", ()):
 142                 vnfd_id = member_vnf["vnfd-id-ref"]
 143                 step = "getting vnfd id='{}' constituent-vnfd='{}' from database".format(
 144                     member_vnf["vnfd-id-ref"], member_vnf["member-vnf-index"])
 145                 if vnfd_id not in needed_vnfds:
 146                     # Obtain vnfd
 147                     vnfd = DescriptorTopic.get_one_by_id(self.db, session, "vnfds", vnfd_id)
 148                     vnfd.pop("_admin")
 149                     needed_vnfds[vnfd_id] = vnfd
 150                 else:
 151                     vnfd = needed_vnfds[vnfd_id]
 152                 step = "filling vnfr  vnfd-id='{}' constituent-vnfd='{}'".format(
 153                     member_vnf["vnfd-id-ref"], member_vnf["member-vnf-index"])
 154                 vnfr_id = str(uuid4())
 155                 vnfr_descriptor = {
 156                     "id": vnfr_id,
 157                     "_id": vnfr_id,
 158                     "nsr-id-ref": nsr_id,
 159                     "member-vnf-index-ref": member_vnf["member-vnf-index"],
 160                     "created-time": now,
 161                     # "vnfd": vnfd,        # at OSM model.but removed to avoid data duplication TODO: revise
 162                     "vnfd-ref": vnfd_id,
 163                     "vnfd-id": vnfd["_id"],    # not at OSM model, but useful
 164                     "vim-account-id": None,
 165                     "vdur": [],
 166                     "connection-point": [],
 167                     "ip-address": None,  # mgmt-interface filled by LCM
 168                 }
 169
 170                 # Create vld
 171                 if vnfd.get("internal-vld"):
 172                     vnfr_descriptor["vld"] = []
 173                     for vnfd_vld in vnfd.get("internal-vld"):
 174                         vnfr_descriptor["vld"].append(
 175                             {key: vnfd_vld[key] for key in ("id", "vim-network-name") if key in vnfd_vld})
 176
 177                 vnfd_mgmt_cp = vnfd["mgmt-interface"].get("cp")
 178                 for cp in vnfd.get("connection-point", ()):
 179                     vnf_cp = {
 180                         "name": cp["name"],
 181                         "connection-point-id": cp.get("id"),
 182                         "id": cp.get("id"),
 183                         # "ip-address", "mac-address" # filled by LCM
 184                         # vim-id  # TODO it would be nice having a vim port id
 185                     }
 186                     vnfr_descriptor["connection-point"].append(vnf_cp)
 187                 for vdu in vnfd.get("vdu", ()):
 188                     vdur = {
 189                         "vdu-id-ref": vdu["id"],
 190                         # TODO      "name": ""     Name of the VDU in the VIM
 191                         "ip-address": None,  # mgmt-interface filled by LCM
 192                         # "vim-id", "flavor-id", "image-id", "management-ip" # filled by LCM
 193                         "internal-connection-point": [],
 194                         "interfaces": [],
 195                     }
 196                     if vdu.get("pdu-type"):
 197                         vdur["pdu-type"] = vdu["pdu-type"]
 198                     # TODO volumes: name, volume-id
 199                     for icp in vdu.get("internal-connection-point", ()):
 200                         vdu_icp = {
 201                             "id": icp["id"],
 202                             "connection-point-id": icp["id"],
 203                             "name": icp.get("name"),
 204                             # "ip-address", "mac-address" # filled by LCM
 205                             # vim-id  # TODO it would be nice having a vim port id
 206                         }
 207                         vdur["internal-connection-point"].append(vdu_icp)
 208                     for iface in vdu.get("interface", ()):
 209                         vdu_iface = {
 210                             "name": iface.get("name"),
 211                             # "ip-address", "mac-address" # filled by LCM
 212                             # vim-id  # TODO it would be nice having a vim port id
 213                         }
 214                         if vnfd_mgmt_cp and iface.get("external-connection-point-ref") == vnfd_mgmt_cp:
 215                             vdu_iface["mgmt-vnf"] = True
 216                         if iface.get("mgmt-interface"):
 217                             vdu_iface["mgmt-interface"] = True  # TODO change to mgmt-vdu
 218
 219                         # look for network where this interface is connected
 220                         if iface.get("external-connection-point-ref"):
 221                             for nsd_vld in get_iterable(nsd.get("vld")):
 222                                 for nsd_vld_cp in get_iterable(nsd_vld.get("vnfd-connection-point-ref")):
 223                                     if nsd_vld_cp.get("vnfd-connection-point-ref") == \
 224                                             iface["external-connection-point-ref"] and \
 225                                             nsd_vld_cp.get("member-vnf-index-ref") == member_vnf["member-vnf-index"]:
 226                                         vdu_iface["ns-vld-id"] = nsd_vld["id"]
 227                                         break
 228                                 else:
 229                                     continue
 230                                 break
 231                         elif iface.get("internal-connection-point-ref"):
 232                             for vnfd_ivld in get_iterable(vnfd.get("internal-vld")):
 233                                 for vnfd_ivld_icp in get_iterable(vnfd_ivld.get("internal-connection-point")):
 234                                     if vnfd_ivld_icp.get("id-ref") == iface["internal-connection-point-ref"]:
 235                                         vdu_iface["vnf-vld-id"] = vnfd_ivld["id"]
 236                                         break
 237                                 else:
 238                                     continue
 239                                 break
 240
 241                         vdur["interfaces"].append(vdu_iface)
 242                     count = vdu.get("count", 1)
 243                     if count is None:
 244                         count = 1
 245                     count = int(count)    # TODO remove when descriptor serialized with payngbind
 246                     for index in range(0, count):
 247                         if index:
 248                             vdur = deepcopy(vdur)
 249                         vdur["_id"] = str(uuid4())
 250                         vdur["count-index"] = index
 251                         vnfr_descriptor["vdur"].append(vdur)
 252
 253                 step = "creating vnfr vnfd-id='{}' constituent-vnfd='{}' at database".format(
 254                     member_vnf["vnfd-id-ref"], member_vnf["member-vnf-index"])
 255
 256                 # add at database
 257                 BaseTopic.format_on_new(vnfr_descriptor, session["project_id"], make_public=make_public)
 258                 self.db.create("vnfrs", vnfr_descriptor)
 259                 rollback.append({"topic": "vnfrs", "_id": vnfr_id})
 260                 nsr_descriptor["constituent-vnfr-ref"].append(vnfr_id)
 261
 262             step = "creating nsr at database"
 263             self.format_on_new(nsr_descriptor, session["project_id"], make_public=make_public)
 264             self.db.create("nsrs", nsr_descriptor)
 265             rollback.append({"topic": "nsrs", "_id": nsr_id})
 266             return nsr_id
 267         except Exception as e:
 268             self.logger.exception("Exception {} at NsrTopic.new()".format(e), exc_info=True)
 269             raise EngineException("Error {}: {}".format(step, e))
 270         except ValidationError as e:
 271             raise EngineException(e, HTTPStatus.UNPROCESSABLE_ENTITY)
 272
 273     def edit(self, session, _id, indata=None, kwargs=None, force=False, content=None):
 274         raise EngineException("Method edit called directly", HTTPStatus.INTERNAL_SERVER_ERROR)
 275
 276
 277 class VnfrTopic(BaseTopic):
 278     topic = "vnfrs"
 279     topic_msg = None
 280
 281     def __init__(self, db, fs, msg):
 282         BaseTopic.__init__(self, db, fs, msg)
 283
 284     def delete(self, session, _id, force=False, dry_run=False):
 285         raise EngineException("Method delete called directly", HTTPStatus.INTERNAL_SERVER_ERROR)
 286
 287     def edit(self, session, _id, indata=None, kwargs=None, force=False, content=None):
 288         raise EngineException("Method edit called directly", HTTPStatus.INTERNAL_SERVER_ERROR)
 289
 290     def new(self, rollback, session, indata=None, kwargs=None, headers=None, force=False, make_public=False):
 291         # Not used because vnfrs are created and deleted by NsrTopic class directly
 292         raise EngineException("Method new called directly", HTTPStatus.INTERNAL_SERVER_ERROR)
 293
 294
 295 class NsLcmOpTopic(BaseTopic):
 296     topic = "nslcmops"
 297     topic_msg = "ns"
 298     operation_schema = {    # mapping between operation and jsonschema to validate
 299         "instantiate": ns_instantiate,
 300         "action": ns_action,
 301         "scale": ns_scale,
 302         "terminate": None,
 303     }
 304
 305     def __init__(self, db, fs, msg):
 306         BaseTopic.__init__(self, db, fs, msg)
 307
 308     def _validate_input_new(self, input, force=False):
 309         """
 310         Validates input user content for a new entry. It uses jsonschema for each type or operation.
 311         :param input: user input content for the new topic
 312         :param force: may be used for being more tolerant
 313         :return: The same input content, or a changed version of it.
 314         """
 315         if self.schema_new:
 316             validate_input(input, self.schema_new)
 317         return input
 318
 319     def _check_ns_operation(self, session, nsr, operation, indata):
 320         """
 321         Check that user has enter right parameters for the operation
 322         :param session:
 323         :param operation: it can be: instantiate, terminate, action, TODO: update, heal
 324         :param indata: descriptor with the parameters of the operation
 325         :return: None
 326         """
 327         vnfds = {}
 328         vim_accounts = []
 329         nsd = nsr["nsd"]
 330
 331         def check_valid_vnf_member_index(member_vnf_index):
 332             # TODO change to vnfR
 333             for vnf in nsd["constituent-vnfd"]:
 334                 if member_vnf_index == vnf["member-vnf-index"]:
 335                     vnfd_id = vnf["vnfd-id-ref"]
 336                     if vnfd_id not in vnfds:
 337                         vnfds[vnfd_id] = self.db.get_one("vnfds", {"id": vnfd_id})
 338                     return vnfds[vnfd_id]
 339             else:
 340                 raise EngineException("Invalid parameter member_vnf_index='{}' is not one of the "
 341                                       "nsd:constituent-vnfd".format(member_vnf_index))
 342
 343         def _check_vnf_instantiation_params(in_vnfd, vnfd):
 344
 345             for in_vdu in get_iterable(in_vnfd.get("vdu")):
 346                 for vdu in get_iterable(vnfd.get("vdu")):
 347                     if in_vdu["id"] == vdu["id"]:
 348                         for volume in get_iterable(in_vdu.get("volume")):
 349                             for volumed in get_iterable(vdu.get("volumes")):
 350                                 if volumed["name"] == volume["name"]:
 351                                     break
 352                             else:
 353                                 raise EngineException("Invalid parameter vnf[member-vnf-index='{}']:vdu[id='{}']:"
 354                                                       "volume:name='{}' is not present at vnfd:vdu:volumes list".
 355                                                       format(in_vnf["member-vnf-index"], in_vdu["id"],
 356                                                              volume["name"]))
 357                         for in_iface in get_iterable(in_vdu["interface"]):
 358                             for iface in get_iterable(vdu.get("interface")):
 359                                 if in_iface["name"] == iface["name"]:
 360                                     break
 361                             else:
 362                                 raise EngineException("Invalid parameter vnf[member-vnf-index='{}']:vdu[id='{}']:"
 363                                                       "interface[name='{}'] is not present at vnfd:vdu:interface"
 364                                                       .format(in_vnf["member-vnf-index"], in_vdu["id"],
 365                                                               in_iface["name"]))
 366                         break
 367                 else:
 368                     raise EngineException("Invalid parameter vnf[member-vnf-index='{}']:vdu[id='{}'] is is not present "
 369                                           "at vnfd:vdu".format(in_vnf["member-vnf-index"], in_vdu["id"]))
 370
 371             for in_ivld in get_iterable(in_vnfd.get("internal-vld")):
 372                 for ivld in get_iterable(vnfd.get("internal-vld")):
 373                     if in_ivld["name"] == ivld["name"] or in_ivld["name"] == ivld["id"]:
 374                         for in_icp in get_iterable(in_ivld["internal-connection-point"]):
 375                             for icp in ivld["internal-connection-point"]:
 376                                 if in_icp["id-ref"] == icp["id-ref"]:
 377                                     break
 378                             else:
 379                                 raise EngineException("Invalid parameter vnf[member-vnf-index='{}']:internal-vld[name"
 380                                                       "='{}']:internal-connection-point[id-ref:'{}'] is not present at "
 381                                                       "vnfd:internal-vld:name/id:internal-connection-point"
 382                                                       .format(in_vnf["member-vnf-index"], in_ivld["name"],
 383                                                               in_icp["id-ref"], vnfd["id"]))
 384                         break
 385                 else:
 386                     raise EngineException("Invalid parameter vnf[member-vnf-index='{}']:internal-vld:name='{}'"
 387                                           " is not present at vnfd '{}'".format(in_vnf["member-vnf-index"],
 388                                                                                 in_ivld["name"], vnfd["id"]))
 389
 390         def check_valid_vim_account(vim_account):
 391             if vim_account in vim_accounts:
 392                 return
 393             try:
 394                 db_filter = self._get_project_filter(session, write=False, show_all=True)
 395                 db_filter["_id"] = vim_account
 396                 self.db.get_one("vim_accounts", db_filter)
 397             except Exception:
 398                 raise EngineException("Invalid vimAccountId='{}' not present for the project".format(vim_account))
 399             vim_accounts.append(vim_account)
 400
 401         if operation == "action":
 402             # check vnf_member_index
 403             if indata.get("vnf_member_index"):
 404                 indata["member_vnf_index"] = indata.pop("vnf_member_index")    # for backward compatibility
 405             if not indata.get("member_vnf_index"):
 406                 raise EngineException("Missing 'member_vnf_index' parameter")
 407             vnfd = check_valid_vnf_member_index(indata["member_vnf_index"])
 408             # check primitive
 409             for config_primitive in get_iterable(vnfd.get("vnf-configuration", {}).get("config-primitive")):
 410                 if indata["primitive"] == config_primitive["name"]:
 411                     # check needed primitive_params are provided
 412                     if indata.get("primitive_params"):
 413                         in_primitive_params_copy = copy(indata["primitive_params"])
 414                     else:
 415                         in_primitive_params_copy = {}
 416                     for paramd in get_iterable(config_primitive.get("parameter")):
 417                         if paramd["name"] in in_primitive_params_copy:
 418                             del in_primitive_params_copy[paramd["name"]]
 419                         elif not paramd.get("default-value"):
 420                             raise EngineException("Needed parameter {} not provided for primitive '{}'".format(
 421                                 paramd["name"], indata["primitive"]))
 422                     # check no extra primitive params are provided
 423                     if in_primitive_params_copy:
 424                         raise EngineException("parameter/s '{}' not present at vnfd for primitive '{}'".format(
 425                             list(in_primitive_params_copy.keys()), indata["primitive"]))
 426                     break
 427             else:
 428                 raise EngineException("Invalid primitive '{}' is not present at vnfd".format(indata["primitive"]))
 429         if operation == "scale":
 430             vnfd = check_valid_vnf_member_index(indata["scaleVnfData"]["scaleByStepData"]["member-vnf-index"])
 431             for scaling_group in get_iterable(vnfd.get("scaling-group-descriptor")):
 432                 if indata["scaleVnfData"]["scaleByStepData"]["scaling-group-descriptor"] == scaling_group["name"]:
 433                     break
 434             else:
 435                 raise EngineException("Invalid scaleVnfData:scaleByStepData:scaling-group-descriptor '{}' is not "
 436                                       "present at vnfd:scaling-group-descriptor".format(
 437                                           indata["scaleVnfData"]["scaleByStepData"]["scaling-group-descriptor"]))
 438         if operation == "instantiate":
 439             # check vim_account
 440             check_valid_vim_account(indata["vimAccountId"])
 441             for in_vnf in get_iterable(indata.get("vnf")):
 442                 vnfd = check_valid_vnf_member_index(in_vnf["member-vnf-index"])
 443                 _check_vnf_instantiation_params(in_vnf, vnfd)
 444                 if in_vnf.get("vimAccountId"):
 445                     check_valid_vim_account(in_vnf["vimAccountId"])
 446
 447             for in_vld in get_iterable(indata.get("vld")):
 448                 for vldd in get_iterable(nsd.get("vld")):
 449                     if in_vld["name"] == vldd["name"] or in_vld["name"] == vldd["id"]:
 450                         break
 451                 else:
 452                     raise EngineException("Invalid parameter vld:name='{}' is not present at nsd:vld".format(
 453                         in_vld["name"]))
 454
 455     def _look_for_pdu(self, session, rollback, vnfr, vim_account, vnfr_update, vnfr_update_rollback):
 456         """
 457         Look for a free PDU in the catalog matching vdur type and interfaces. Fills vnfr.vdur with the interface
 458         (ip_address, ...) information.
 459         Modifies PDU _admin.usageState to 'IN_USE'
 460
 461         :param session: client session information
 462         :param rollback: list with the database modifications to rollback if needed
 463         :param vnfr: vnfr to be updated. It is modified with pdu interface info if pdu is found
 464         :param vim_account: vim_account where this vnfr should be deployed
 465         :param vnfr_update: dictionary filled by this method with changes to be done at database vnfr
 466         :param vnfr_update_rollback: dictionary filled by this method with original content of vnfr in case a rollback
 467                                      of the changed vnfr is needed
 468
 469         :return: List of PDU interfaces that are connected to an existing VIM network. Each item contains:
 470                  "vim-network-name": used at VIM
 471                   "name": interface name
 472                   "vnf-vld-id": internal VNFD vld where this interface is connected, or
 473                   "ns-vld-id": NSD vld where this interface is connected.
 474                   NOTE: One, and only one between 'vnf-vld-id' and 'ns-vld-id' contains a value. The other will be None
 475         """
 476
 477         ifaces_forcing_vim_network = []
 478         for vdur_index, vdur in enumerate(get_iterable(vnfr.get("vdur"))):
 479             if not vdur.get("pdu-type"):
 480                 continue
 481             pdu_type = vdur.get("pdu-type")
 482             pdu_filter = self._get_project_filter(session, write=True, show_all=True)
 483             pdu_filter["vim_accounts"] = vim_account
 484             pdu_filter["type"] = pdu_type
 485             pdu_filter["_admin.operationalState"] = "ENABLED"
 486             pdu_filter["_admin.usageState"] = "NOT_IN_USE"
 487             # TODO feature 1417: "shared": True,
 488
 489             available_pdus = self.db.get_list("pdus", pdu_filter)
 490             for pdu in available_pdus:
 491                 # step 1 check if this pdu contains needed interfaces:
 492                 match_interfaces = True
 493                 for vdur_interface in vdur["interfaces"]:
 494                     for pdu_interface in pdu["interfaces"]:
 495                         if pdu_interface["name"] == vdur_interface["name"]:
 496                             # TODO feature 1417: match per mgmt type
 497                             break
 498                     else:  # no interface found for name
 499                         match_interfaces = False
 500                         break
 501                 if match_interfaces:
 502                     break
 503             else:
 504                 raise EngineException(
 505                     "No PDU of type={} at vim_account={} found for member_vnf_index={}, vdu={} matching interface "
 506                     "names".format(pdu_type, vim_account, vnfr["member-vnf-index-ref"], vdur["vdu-id-ref"]))
 507
 508             # step 2. Update pdu
 509             rollback_pdu = {
 510                 "_admin.usageState": pdu["_admin"]["usageState"],
 511                 "_admin.usage.vnfr_id": None,
 512                 "_admin.usage.nsr_id": None,
 513                 "_admin.usage.vdur": None,
 514             }
 515             self.db.set_one("pdus", {"_id": pdu["_id"]},
 516                             {"_admin.usageState": "IN_USE",
 517                              "_admin.usage.vnfr_id": vnfr["_id"],
 518                              "_admin.usage.nsr_id": vnfr["nsr-id-ref"],
 519                              "_admin.usage.vdur": vdur["vdu-id-ref"]}
 520                             )
 521             rollback.append({"topic": "pdus", "_id": pdu["_id"], "operation": "set", "content": rollback_pdu})
 522
 523             # step 3. Fill vnfr info by filling vdur
 524             vdu_text = "vdur.{}".format(vdur_index)
 525             vnfr_update_rollback[vdu_text + ".pdu-id"] = None
 526             vnfr_update[vdu_text + ".pdu-id"] = pdu["_id"]
 527             for iface_index, vdur_interface in enumerate(vdur["interfaces"]):
 528                 for pdu_interface in pdu["interfaces"]:
 529                     if pdu_interface["name"] == vdur_interface["name"]:
 530                         iface_text = vdu_text + ".interfaces.{}".format(iface_index)
 531                         for k, v in pdu_interface.items():
 532                             if k in ("ip-address", "mac-address"):  # TODO: switch-xxxxx must be inserted
 533                                 vnfr_update[iface_text + ".{}".format(k)] = v
 534                                 vnfr_update_rollback[iface_text + ".{}".format(k)] = vdur_interface.get(v)
 535                         if pdu_interface.get("ip-address"):
 536                             if vdur_interface.get("mgmt-interface"):
 537                                 vnfr_update_rollback[vdu_text + ".ip-address"] = vdur.get("ip-address")
 538                                 vnfr_update[vdu_text + ".ip-address"] = pdu_interface["ip-address"]
 539                             if vdur_interface.get("mgmt-vnf"):
 540                                 vnfr_update_rollback["ip-address"] = vnfr.get("ip-address")
 541                                 vnfr_update["ip-address"] = pdu_interface["ip-address"]
 542                         if pdu_interface.get("vim-network-name"):  # or pdu_interface.get("vim-network-id"):
 543                             ifaces_forcing_vim_network.append({
 544                                 # "vim-network-id": pdu_interface.get("vim-network-id"),
 545                                 "vim-network-name": pdu_interface.get("vim-network-name"),
 546                                 "name": vdur_interface.get("vnf-vld-id") or vdur_interface.get("ns-vld-id"),
 547                                 "vnf-vld-id": vdur_interface.get("vnf-vld-id"),
 548                                 "ns-vld-id": vdur_interface.get("ns-vld-id")})
 549                         break
 550
 551         return ifaces_forcing_vim_network
 552
 553     def _update_vnfrs(self, session, rollback, nsr, indata):
 554         vnfrs = None
 555         # get vnfr
 556         nsr_id = nsr["_id"]
 557         vnfrs = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id})
 558
 559         for vnfr in vnfrs:
 560             vnfr_update = {}
 561             vnfr_update_rollback = {}
 562             member_vnf_index = vnfr["member-vnf-index-ref"]
 563             # update vim-account-id
 564
 565             vim_account = indata["vimAccountId"]
 566             # check instantiate parameters
 567             for vnf_inst_params in get_iterable(indata.get("vnf")):
 568                 if vnf_inst_params["member-vnf-index"] != member_vnf_index:
 569                     continue
 570                 if vnf_inst_params.get("vimAccountId"):
 571                     vim_account = vnf_inst_params.get("vimAccountId")
 572
 573             vnfr_update["vim-account-id"] = vim_account
 574             vnfr_update_rollback["vim-account-id"] = vnfr.get("vim-account-id")
 575
 576             # get pdu
 577             ifaces_forcing_vim_network = self._look_for_pdu(session, rollback, vnfr, vim_account, vnfr_update,
 578                                                             vnfr_update_rollback)
 579
 580             # updata database vnfr
 581             self.db.set_one("vnfrs", {"_id": vnfr["_id"]}, vnfr_update)
 582             rollback.append({"topic": "vnfrs", "_id": vnfr["_id"], "operation": "set", "content": vnfr_update_rollback})
 583
 584             # Update indada in case pdu forces to use a concrete vim-network-name
 585             # TODO check if user has already insert a vim-network-name and raises an error
 586             if not ifaces_forcing_vim_network:
 587                 continue
 588             for iface_info in ifaces_forcing_vim_network:
 589                 if iface_info.get("ns-vld-id"):
 590                     if "vld" not in indata:
 591                         indata["vld"] = []
 592                     indata["vld"].append({key: iface_info[key] for key in
 593                                           ("name", "vim-network-name", "vim-network-id") if iface_info.get(key)})
 594
 595                 elif iface_info.get("vnf-vld-id"):
 596                     if "vnf" not in indata:
 597                         indata["vnf"] = []
 598                     indata["vnf"].append({
 599                         "member-vnf-index": member_vnf_index,
 600                         "internal-vld": [{key: iface_info[key] for key in
 601                                           ("name", "vim-network-name", "vim-network-id") if iface_info.get(key)}]
 602                     })
 603
 604     @staticmethod
 605     def _create_nslcmop(nsr_id, operation, params):
 606         """
 607         Creates a ns-lcm-opp content to be stored at database.
 608         :param nsr_id: internal id of the instance
 609         :param operation: instantiate, terminate, scale, action, ...
 610         :param params: user parameters for the operation
 611         :return: dictionary following SOL005 format
 612         """
 613         now = time()
 614         _id = str(uuid4())
 615         nslcmop = {
 616             "id": _id,
 617             "_id": _id,
 618             "operationState": "PROCESSING",  # COMPLETED,PARTIALLY_COMPLETED,FAILED_TEMP,FAILED,ROLLING_BACK,ROLLED_BACK
 619             "statusEnteredTime": now,
 620             "nsInstanceId": nsr_id,
 621             "lcmOperationType": operation,
 622             "startTime": now,
 623             "isAutomaticInvocation": False,
 624             "operationParams": params,
 625             "isCancelPending": False,
 626             "links": {
 627                 "self": "/osm/nslcm/v1/ns_lcm_op_occs/" + _id,
 628                 "nsInstance": "/osm/nslcm/v1/ns_instances/" + nsr_id,
 629             }
 630         }
 631         return nslcmop
 632
 633     def new(self, rollback, session, indata=None, kwargs=None, headers=None, force=False, make_public=False):
 634         """
 635         Performs a new operation over a ns
 636         :param rollback: list to append created items at database in case a rollback must to be done
 637         :param session: contains the used login username and working project
 638         :param indata: descriptor with the parameters of the operation. It must contains among others
 639             nsInstanceId: _id of the nsr to perform the operation
 640             operation: it can be: instantiate, terminate, action, TODO: update, heal
 641         :param kwargs: used to override the indata descriptor
 642         :param headers: http request headers
 643         :param force: If True avoid some dependence checks
 644         :param make_public: Make the created item public to all projects
 645         :return: id of the nslcmops
 646         """
 647         try:
 648             # Override descriptor with query string kwargs
 649             self._update_input_with_kwargs(indata, kwargs)
 650             operation = indata["lcmOperationType"]
 651             nsInstanceId = indata["nsInstanceId"]
 652
 653             validate_input(indata, self.operation_schema[operation])
 654             # get ns from nsr_id
 655             _filter = BaseTopic._get_project_filter(session, write=True, show_all=False)
 656             _filter["_id"] = nsInstanceId
 657             nsr = self.db.get_one("nsrs", _filter)
 658
 659             # initial checking
 660             if not nsr["_admin"].get("nsState") or nsr["_admin"]["nsState"] == "NOT_INSTANTIATED":
 661                 if operation == "terminate" and indata.get("autoremove"):
 662                     # NSR must be deleted
 663                     return self.delete(session, nsInstanceId)
 664                 if operation != "instantiate":
 665                     raise EngineException("ns_instance '{}' cannot be '{}' because it is not instantiated".format(
 666                         nsInstanceId, operation), HTTPStatus.CONFLICT)
 667             else:
 668                 if operation == "instantiate" and not indata.get("force"):
 669                     raise EngineException("ns_instance '{}' cannot be '{}' because it is already instantiated".format(
 670                         nsInstanceId, operation), HTTPStatus.CONFLICT)
 671             self._check_ns_operation(session, nsr, operation, indata)
 672
 673             if operation == "instantiate":
 674                 self._update_vnfrs(session, rollback, nsr, indata)
 675
 676             nslcmop_desc = self._create_nslcmop(nsInstanceId, operation, indata)
 677             self.format_on_new(nslcmop_desc, session["project_id"], make_public=make_public)
 678             _id = self.db.create("nslcmops", nslcmop_desc)
 679             rollback.append({"topic": "nslcmops", "_id": _id})
 680             self.msg.write("ns", operation, nslcmop_desc)
 681             return _id
 682         except ValidationError as e:
 683             raise EngineException(e, HTTPStatus.UNPROCESSABLE_ENTITY)
 684         # except DbException as e:
 685         #     raise EngineException("Cannot get ns_instance '{}': {}".format(e), HTTPStatus.NOT_FOUND)
 686
 687     def delete(self, session, _id, force=False, dry_run=False):
 688         raise EngineException("Method delete called directly", HTTPStatus.INTERNAL_SERVER_ERROR)
 689
 690     def edit(self, session, _id, indata=None, kwargs=None, force=False, content=None):
 691         raise EngineException("Method edit called directly", HTTPStatus.INTERNAL_SERVER_ERROR)