osm_nbi/instance_topics.py

   1 # -*- coding: utf-8 -*-
   2
   3 # Licensed under the Apache License, Version 2.0 (the "License");
   4 # you may not use this file except in compliance with the License.
   5 # You may obtain a copy of the License at
   6 #
   7 #    http://www.apache.org/licenses/LICENSE-2.0
   8 #
   9 # Unless required by applicable law or agreed to in writing, software
  10 # distributed under the License is distributed on an "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
  12 # implied.
  13 # See the License for the specific language governing permissions and
  14 # limitations under the License.
  15
  16 # import logging
  17 from uuid import uuid4
  18 from http import HTTPStatus
  19 from time import time
  20 from copy import copy, deepcopy
  21 from osm_nbi.validation import validate_input, ValidationError, ns_instantiate, ns_terminate, ns_action, ns_scale,\
  22     nsi_instantiate
  23 from osm_nbi.base_topic import BaseTopic, EngineException, get_iterable, deep_get, increment_ip_mac
  24 from yaml import safe_dump
  25 from osm_common.dbbase import DbException
  26 from osm_common.msgbase import MsgException
  27 from osm_common.fsbase import FsException
  28 from osm_nbi import utils
  29 from re import match  # For checking that additional parameter names are valid Jinja2 identifiers
  30
  31 __author__ = "Alfonso Tierno <alfonso.tiernosepulveda@telefonica.com>"
  32
  33
  34 class NsrTopic(BaseTopic):
  35     topic = "nsrs"
  36     topic_msg = "ns"
  37     quota_name = "ns_instances"
  38     schema_new = ns_instantiate
  39
  40     def __init__(self, db, fs, msg, auth):
  41         BaseTopic.__init__(self, db, fs, msg, auth)
  42
  43     def _check_descriptor_dependencies(self, session, descriptor):
  44         """
  45         Check that the dependent descriptors exist on a new descriptor or edition
  46         :param session: client session information
  47         :param descriptor: descriptor to be inserted or edit
  48         :return: None or raises exception
  49         """
  50         if not descriptor.get("nsdId"):
  51             return
  52         nsd_id = descriptor["nsdId"]
  53         if not self.get_item_list(session, "nsds", {"id": nsd_id}):
  54             raise EngineException("Descriptor error at nsdId='{}' references a non exist nsd".format(nsd_id),
  55                                   http_code=HTTPStatus.CONFLICT)
  56
  57     @staticmethod
  58     def format_on_new(content, project_id=None, make_public=False):
  59         BaseTopic.format_on_new(content, project_id=project_id, make_public=make_public)
  60         content["_admin"]["nsState"] = "NOT_INSTANTIATED"
  61         return None
  62
  63     def check_conflict_on_del(self, session, _id, db_content):
  64         """
  65         Check that NSR is not instantiated
  66         :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
  67         :param _id: nsr internal id
  68         :param db_content: The database content of the nsr
  69         :return: None or raises EngineException with the conflict
  70         """
  71         if session["force"]:
  72             return
  73         nsr = db_content
  74         if nsr["_admin"].get("nsState") == "INSTANTIATED":
  75             raise EngineException("nsr '{}' cannot be deleted because it is in 'INSTANTIATED' state. "
  76                                   "Launch 'terminate' operation first; or force deletion".format(_id),
  77                                   http_code=HTTPStatus.CONFLICT)
  78
  79     def delete_extra(self, session, _id, db_content, not_send_msg=None):
  80         """
  81         Deletes associated nslcmops and vnfrs from database. Deletes associated filesystem.
  82          Set usageState of pdu, vnfd, nsd
  83         :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
  84         :param _id: server internal id
  85         :param db_content: The database content of the descriptor
  86         :param not_send_msg: To not send message (False) or store content (list) instead
  87         :return: None if ok or raises EngineException with the problem
  88         """
  89         self.fs.file_delete(_id, ignore_non_exist=True)
  90         self.db.del_list("nslcmops", {"nsInstanceId": _id})
  91         self.db.del_list("vnfrs", {"nsr-id-ref": _id})
  92
  93         # set all used pdus as free
  94         self.db.set_list("pdus", {"_admin.usage.nsr_id": _id},
  95                          {"_admin.usageState": "NOT_IN_USE", "_admin.usage": None})
  96
  97         # Set NSD usageState
  98         nsr = db_content
  99         used_nsd_id = nsr.get("nsd-id")
 100         if used_nsd_id:
 101             # check if used by another NSR
 102             nsrs_list = self.db.get_one("nsrs", {"nsd-id": used_nsd_id},
 103                                         fail_on_empty=False, fail_on_more=False)
 104             if not nsrs_list:
 105                 self.db.set_one("nsds", {"_id": used_nsd_id}, {"_admin.usageState": "NOT_IN_USE"})
 106
 107         # Set VNFD usageState
 108         used_vnfd_id_list = nsr.get("vnfd-id")
 109         if used_vnfd_id_list:
 110             for used_vnfd_id in used_vnfd_id_list:
 111                 # check if used by another NSR
 112                 nsrs_list = self.db.get_one("nsrs", {"vnfd-id": used_vnfd_id},
 113                                             fail_on_empty=False, fail_on_more=False)
 114                 if not nsrs_list:
 115                     self.db.set_one("vnfds", {"_id": used_vnfd_id}, {"_admin.usageState": "NOT_IN_USE"})
 116
 117         # delete extra ro_nsrs used for internal RO module
 118         self.db.del_one("ro_nsrs", q_filter={"_id": _id}, fail_on_empty=False)
 119
 120     @staticmethod
 121     def _format_ns_request(ns_request):
 122         formated_request = copy(ns_request)
 123         formated_request.pop("additionalParamsForNs", None)
 124         formated_request.pop("additionalParamsForVnf", None)
 125         return formated_request
 126
 127     @staticmethod
 128     def _format_additional_params(ns_request, member_vnf_index=None, vdu_id=None, kdu_name=None, descriptor=None):
 129         """
 130         Get and format user additional params for NS or VNF
 131         :param ns_request: User instantiation additional parameters
 132         :param member_vnf_index: None for extract NS params, or member_vnf_index to extract VNF params
 133         :param descriptor: If not None it check that needed parameters of descriptor are supplied
 134         :return: tuple with a formatted copy of additional params or None if not supplied, plus other parameters
 135         """
 136         additional_params = None
 137         other_params = None
 138         if not member_vnf_index:
 139             additional_params = copy(ns_request.get("additionalParamsForNs"))
 140             where_ = "additionalParamsForNs"
 141         elif ns_request.get("additionalParamsForVnf"):
 142             where_ = "additionalParamsForVnf[member-vnf-index={}]".format(member_vnf_index)
 143             item = next((x for x in ns_request["additionalParamsForVnf"] if x["member-vnf-index"] == member_vnf_index),
 144                         None)
 145             if item:
 146                 if not vdu_id and not kdu_name:
 147                     other_params = item
 148                 additional_params = copy(item.get("additionalParams")) or {}
 149                 if vdu_id and item.get("additionalParamsForVdu"):
 150                     item_vdu = next((x for x in item["additionalParamsForVdu"] if x["vdu_id"] == vdu_id), None)
 151                     other_params = item_vdu
 152                     if item_vdu and item_vdu.get("additionalParams"):
 153                         where_ += ".additionalParamsForVdu[vdu_id={}]".format(vdu_id)
 154                         additional_params = item_vdu["additionalParams"]
 155                 if kdu_name:
 156                     additional_params = {}
 157                     if item.get("additionalParamsForKdu"):
 158                         item_kdu = next((x for x in item["additionalParamsForKdu"] if x["kdu_name"] == kdu_name), None)
 159                         other_params = item_kdu
 160                         if item_kdu and item_kdu.get("additionalParams"):
 161                             where_ += ".additionalParamsForKdu[kdu_name={}]".format(kdu_name)
 162                             additional_params = item_kdu["additionalParams"]
 163
 164         if additional_params:
 165             for k, v in additional_params.items():
 166                 # BEGIN Check that additional parameter names are valid Jinja2 identifiers if target is not Kdu
 167                 if not kdu_name and not match('^[a-zA-Z_][a-zA-Z0-9_]*$', k):
 168                     raise EngineException("Invalid param name at {}:{}. Must contain only alphanumeric characters "
 169                                           "and underscores, and cannot start with a digit"
 170                                           .format(where_, k))
 171                 # END Check that additional parameter names are valid Jinja2 identifiers
 172                 if not isinstance(k, str):
 173                     raise EngineException("Invalid param at {}:{}. Only string keys are allowed".format(where_, k))
 174                 if "." in k or "$" in k:
 175                     raise EngineException("Invalid param at {}:{}. Keys must not contain dots or $".format(where_, k))
 176                 if isinstance(v, (dict, tuple, list)):
 177                     additional_params[k] = "!!yaml " + safe_dump(v)
 178
 179         if descriptor:
 180             for df in descriptor.get("df", []):
 181                 # check that enough parameters are supplied for the initial-config-primitive
 182                 # TODO: check for cloud-init
 183                 if member_vnf_index:
 184                     initial_primitives = []
 185                     if "lcm-operations-configuration" in df \
 186                        and "operate-vnf-op-config" in df["lcm-operations-configuration"]:
 187                         for config in df["lcm-operations-configuration"]["operate-vnf-op-config"].get("day1-2", []):
 188                             for primitive in get_iterable(config.get("initial-config-primitive")):
 189                                 initial_primitives.append(primitive)
 190                 else:
 191                     initial_primitives = deep_get(descriptor, ("ns-configuration", "initial-config-primitive"))
 192
 193                 for initial_primitive in get_iterable(initial_primitives):
 194                     for param in get_iterable(initial_primitive.get("parameter")):
 195                         if param["value"].startswith("<") and param["value"].endswith(">"):
 196                             if param["value"] in ("<rw_mgmt_ip>", "<VDU_SCALE_INFO>", "<ns_config_info>"):
 197                                 continue
 198                             if not additional_params or param["value"][1:-1] not in additional_params:
 199                                 raise EngineException("Parameter '{}' needed for vnfd[id={}]:day1-2 configuration:"
 200                                                       "initial-config-primitive[name={}] not supplied".
 201                                                       format(param["value"], descriptor["id"],
 202                                                              initial_primitive["name"]))
 203
 204         return additional_params or None, other_params or None
 205
 206     def new(self, rollback, session, indata=None, kwargs=None, headers=None):
 207         """
 208         Creates a new nsr into database. It also creates needed vnfrs
 209         :param rollback: list to append the created items at database in case a rollback must be done
 210         :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
 211         :param indata: params to be used for the nsr
 212         :param kwargs: used to override the indata descriptor
 213         :param headers: http request headers
 214         :return: the _id of nsr descriptor created at database. Or an exception of type
 215             EngineException, ValidationError, DbException, FsException, MsgException.
 216             Note: Exceptions are not captured on purpose. They should be captured at called
 217         """
 218         try:
 219             step = "checking quotas"
 220             self.check_quota(session)
 221
 222             step = "validating input parameters"
 223             ns_request = self._remove_envelop(indata)
 224             self._update_input_with_kwargs(ns_request, kwargs)
 225             ns_request = self._validate_input_new(ns_request, session["force"])
 226
 227             step = "getting nsd id='{}' from database".format(ns_request.get("nsdId"))
 228             nsd = self._get_nsd_from_db(ns_request["nsdId"], session)
 229             ns_k8s_namespace = self._get_ns_k8s_namespace(nsd, ns_request, session)
 230
 231             step = "checking nsdOperationalState"
 232             self._check_nsd_operational_state(nsd, ns_request)
 233
 234             step = "filling nsr from input data"
 235             nsr_id = str(uuid4())
 236             nsr_descriptor = self._create_nsr_descriptor_from_nsd(nsd, ns_request, nsr_id, session)
 237
 238             # Create VNFRs
 239             needed_vnfds = {}
 240             # TODO: Change for multiple df support
 241             vnf_profiles = nsd.get("df", [[]])[0].get("vnf-profile", ())
 242             for vnfp in vnf_profiles:
 243                 vnfd_id = vnfp.get("vnfd-id")
 244                 vnf_index = vnfp.get("id")
 245                 step = "getting vnfd id='{}' constituent-vnfd='{}' from database".format(vnfd_id, vnf_index)
 246                 if vnfd_id not in needed_vnfds:
 247                     vnfd = self._get_vnfd_from_db(vnfd_id, session)
 248                     needed_vnfds[vnfd_id] = vnfd
 249                     nsr_descriptor["vnfd-id"].append(vnfd["_id"])
 250                 else:
 251                     vnfd = needed_vnfds[vnfd_id]
 252
 253                 step = "filling vnfr  vnfd-id='{}' constituent-vnfd='{}'".format(vnfd_id, vnf_index)
 254                 vnfr_descriptor = self._create_vnfr_descriptor_from_vnfd(nsd, vnfd, vnfd_id, vnf_index, nsr_descriptor,
 255                                                                          ns_request, ns_k8s_namespace)
 256
 257                 step = "creating vnfr vnfd-id='{}' constituent-vnfd='{}' at database".format(vnfd_id, vnf_index)
 258                 self._add_vnfr_to_db(vnfr_descriptor, rollback, session)
 259                 nsr_descriptor["constituent-vnfr-ref"].append(vnfr_descriptor["id"])
 260
 261             step = "creating nsr at database"
 262             self._add_nsr_to_db(nsr_descriptor, rollback, session)
 263
 264             step = "creating nsr temporal folder"
 265             self.fs.mkdir(nsr_id)
 266
 267             return nsr_id, None
 268         except (ValidationError, EngineException, DbException, MsgException, FsException) as e:
 269             raise type(e)("{} while '{}'".format(e, step), http_code=e.http_code)
 270
 271     def _get_nsd_from_db(self, nsd_id, session):
 272         _filter = self._get_project_filter(session)
 273         _filter["_id"] = nsd_id
 274         return self.db.get_one("nsds", _filter)
 275
 276     def _get_vnfd_from_db(self, vnfd_id, session):
 277         _filter = self._get_project_filter(session)
 278         _filter["id"] = vnfd_id
 279         vnfd = self.db.get_one("vnfds", _filter, fail_on_empty=True, fail_on_more=True)
 280         vnfd.pop("_admin")
 281         return vnfd
 282
 283     def _add_nsr_to_db(self, nsr_descriptor, rollback, session):
 284         self.format_on_new(nsr_descriptor, session["project_id"], make_public=session["public"])
 285         self.db.create("nsrs", nsr_descriptor)
 286         rollback.append({"topic": "nsrs", "_id": nsr_descriptor["id"]})
 287
 288     def _add_vnfr_to_db(self, vnfr_descriptor, rollback, session):
 289         self.format_on_new(vnfr_descriptor, session["project_id"], make_public=session["public"])
 290         self.db.create("vnfrs", vnfr_descriptor)
 291         rollback.append({"topic": "vnfrs", "_id": vnfr_descriptor["id"]})
 292
 293     def _check_nsd_operational_state(self, nsd, ns_request):
 294         if nsd["_admin"]["operationalState"] == "DISABLED":
 295             raise EngineException("nsd with id '{}' is DISABLED, and thus cannot be used to create "
 296                                   "a network service".format(ns_request["nsdId"]), http_code=HTTPStatus.CONFLICT)
 297
 298     def _get_ns_k8s_namespace(self, nsd, ns_request, session):
 299         additional_params, _ = self._format_additional_params(ns_request, descriptor=nsd)
 300         # use for k8s-namespace from ns_request or additionalParamsForNs. By default, the project_id
 301         ns_k8s_namespace = session["project_id"][0] if session["project_id"] else None
 302         if ns_request and ns_request.get("k8s-namespace"):
 303             ns_k8s_namespace = ns_request["k8s-namespace"]
 304         if additional_params and additional_params.get("k8s-namespace"):
 305             ns_k8s_namespace = additional_params["k8s-namespace"]
 306
 307         return ns_k8s_namespace
 308
 309     def _create_nsr_descriptor_from_nsd(self, nsd, ns_request, nsr_id, session):
 310         now = time()
 311         additional_params, _ = self._format_additional_params(ns_request, descriptor=nsd)
 312
 313         nsr_descriptor = {
 314             "name": ns_request["nsName"],
 315             "name-ref": ns_request["nsName"],
 316             "short-name": ns_request["nsName"],
 317             "admin-status": "ENABLED",
 318             "nsState": "NOT_INSTANTIATED",
 319             "currentOperation": "IDLE",
 320             "currentOperationID": None,
 321             "errorDescription": None,
 322             "errorDetail": None,
 323             "deploymentStatus": None,
 324             "configurationStatus": None,
 325             "vcaStatus": None,
 326             "nsd": {k: v for k, v in nsd.items()},
 327             "datacenter": ns_request["vimAccountId"],
 328             "resource-orchestrator": "osmopenmano",
 329             "description": ns_request.get("nsDescription", ""),
 330             "constituent-vnfr-ref": [],
 331             "operational-status": "init",  # typedef ns-operational-
 332             "config-status": "init",  # typedef config-states
 333             "detailed-status": "scheduled",
 334             "orchestration-progress": {},
 335             "create-time": now,
 336             "nsd-name-ref": nsd["name"],
 337             "operational-events": [],  # "id", "timestamp", "description", "event",
 338             "nsd-ref": nsd["id"],
 339             "nsd-id": nsd["_id"],
 340             "vnfd-id": [],
 341             "instantiate_params": self._format_ns_request(ns_request),
 342             "additionalParamsForNs": additional_params,
 343             "ns-instance-config-ref": nsr_id,
 344             "id": nsr_id,
 345             "_id": nsr_id,
 346             "ssh-authorized-key": ns_request.get("ssh_keys"),  # TODO remove
 347             "flavor": [],
 348             "image": [],
 349         }
 350         ns_request["nsr_id"] = nsr_id
 351         if ns_request and ns_request.get("config-units"):
 352             nsr_descriptor["config-units"] = ns_request["config-units"]
 353
 354         # Create vld
 355         if nsd.get("virtual-link-desc"):
 356             nsr_vld = deepcopy(nsd.get("virtual-link-desc", []))
 357             # Fill each vld with vnfd-connection-point-ref data
 358             # TODO: Change for multiple df support
 359             all_vld_connection_point_data = {vld.get("id"): [] for vld in nsr_vld}
 360             vnf_profiles = nsd.get("df", [[]])[0].get("vnf-profile", ())
 361             for vnf_profile in vnf_profiles:
 362                 for vlc in vnf_profile.get("virtual-link-connectivity", ()):
 363                     for cpd in vlc.get("constituent-cpd-id", ()):
 364                         all_vld_connection_point_data[vlc.get("virtual-link-profile-id")].append({
 365                             "member-vnf-index-ref": cpd.get("constituent-base-element-id"),
 366                             "vnfd-connection-point-ref": cpd.get("constituent-cpd-id"),
 367                             "vnfd-id-ref": vnf_profile.get("vnfd-id")
 368                         })
 369
 370                 vnfd = self._get_vnfd_from_db(vnf_profile.get("vnfd-id"), session)
 371
 372                 for vdu in vnfd.get("vdu", ()):
 373                     flavor_data = {}
 374                     guest_epa = {}
 375                     # Find this vdu compute and storage descriptors
 376                     vdu_virtual_compute = {}
 377                     vdu_virtual_storage = {}
 378                     for vcd in vnfd.get("virtual-compute-desc", ()):
 379                         if vcd.get("id") == vdu.get("virtual-compute-desc"):
 380                             vdu_virtual_compute = vcd
 381                     for vsd in vnfd.get("virtual-storage-desc", ()):
 382                         if vsd.get("id") == vdu.get("virtual-storage-desc", [[]])[0]:
 383                             vdu_virtual_storage = vsd
 384                     # Get this vdu vcpus, memory and storage info for flavor_data
 385                     if vdu_virtual_compute.get("virtual-cpu", {}).get("num-virtual-cpu"):
 386                         flavor_data["vcpu-count"] = vdu_virtual_compute["virtual-cpu"]["num-virtual-cpu"]
 387                     if vdu_virtual_compute.get("virtual-memory", {}).get("size"):
 388                         flavor_data["memory-mb"] = float(vdu_virtual_compute["virtual-memory"]["size"]) * 1024.0
 389                     if vdu_virtual_storage.get("size-of-storage"):
 390                         flavor_data["storage-gb"] = vdu_virtual_storage["size-of-storage"]
 391                     # Get this vdu EPA info for guest_epa
 392                     if vdu_virtual_compute.get("virtual-cpu", {}).get("cpu-quota"):
 393                         guest_epa["cpu-quota"] = vdu_virtual_compute["virtual-cpu"]["cpu-quota"]
 394                     if vdu_virtual_compute.get("virtual-cpu", {}).get("pinning"):
 395                         vcpu_pinning = vdu_virtual_compute["virtual-cpu"]["pinning"]
 396                         if vcpu_pinning.get("thread-policy"):
 397                             guest_epa["cpu-thread-pinning-policy"] = vcpu_pinning["thread-policy"]
 398                         if vcpu_pinning.get("policy"):
 399                             cpu_policy = "SHARED" if vcpu_pinning["policy"] == "dynamic" else "DEDICATED"
 400                             guest_epa["cpu-pinning-policy"] = cpu_policy
 401                     if vdu_virtual_compute.get("virtual-memory", {}).get("mem-quota"):
 402                         guest_epa["mem-quota"] = vdu_virtual_compute["virtual-memory"]["mem-quota"]
 403                     if vdu_virtual_compute.get("virtual-memory", {}).get("mempage-size"):
 404                         guest_epa["mempage-size"] = vdu_virtual_compute["virtual-memory"]["mempage-size"]
 405                     if vdu_virtual_compute.get("virtual-memory", {}).get("numa-node-policy"):
 406                         guest_epa["numa-node-policy"] = vdu_virtual_compute["virtual-memory"]["numa-node-policy"]
 407                     if vdu_virtual_storage.get("disk-io-quota"):
 408                         guest_epa["disk-io-quota"] = vdu_virtual_storage["disk-io-quota"]
 409
 410                     if guest_epa:
 411                         flavor_data["guest-epa"] = guest_epa
 412
 413                     flavor_data["name"] = vdu["id"][:56] + "-flv"
 414                     flavor_data["id"] = str(len(nsr_descriptor["flavor"]))
 415                     nsr_descriptor["flavor"].append(flavor_data)
 416
 417                     sw_image_id = vdu.get("sw-image-desc")
 418                     if sw_image_id:
 419                         image_data = self._get_image_data_from_vnfd(vnfd, sw_image_id)
 420                         self._add_image_to_nsr(nsr_descriptor, image_data)
 421
 422                     # also add alternative images to the list of images
 423                     for alt_image in vdu.get("alternative-sw-image-desc", ()):
 424                         image_data = self._get_image_data_from_vnfd(vnfd, alt_image)
 425                         self._add_image_to_nsr(nsr_descriptor, image_data)
 426
 427             for vld in nsr_vld:
 428                 vld["vnfd-connection-point-ref"] = all_vld_connection_point_data.get(vld.get("id"), [])
 429                 vld["name"] = vld["id"]
 430             nsr_descriptor["vld"] = nsr_vld
 431
 432         return nsr_descriptor
 433
 434     def _get_image_data_from_vnfd(self, vnfd, sw_image_id):
 435         sw_image_desc = utils.find_in_list(vnfd.get("sw-image-desc", ()),
 436                                            lambda sw: sw["id"] == sw_image_id)
 437         image_data = {}
 438         if sw_image_desc.get("image"):
 439             image_data["image"] = sw_image_desc["image"]
 440         if sw_image_desc.get("checksum"):
 441             image_data["image_checksum"] = sw_image_desc["checksum"]["hash"]
 442         if sw_image_desc.get("vim-type"):
 443             image_data["vim-type"] = sw_image_desc["vim-type"]
 444         return image_data
 445
 446     def _add_image_to_nsr(self, nsr_descriptor, image_data):
 447         """
 448         Adds image to nsr checking first it is not already added
 449         """
 450         img = next((f for f in nsr_descriptor["image"] if
 451                     all(f.get(k) == image_data[k] for k in image_data)), None)
 452         if not img:
 453             image_data["id"] = str(len(nsr_descriptor["image"]))
 454             nsr_descriptor["image"].append(image_data)
 455
 456     def _create_vnfr_descriptor_from_vnfd(self, nsd, vnfd, vnfd_id, vnf_index, nsr_descriptor,
 457                                           ns_request, ns_k8s_namespace):
 458         vnfr_id = str(uuid4())
 459         nsr_id = nsr_descriptor["id"]
 460         now = time()
 461         additional_params, vnf_params = self._format_additional_params(ns_request, vnf_index, descriptor=vnfd)
 462
 463         vnfr_descriptor = {
 464             "id": vnfr_id,
 465             "_id": vnfr_id,
 466             "nsr-id-ref": nsr_id,
 467             "member-vnf-index-ref": vnf_index,
 468             "additionalParamsForVnf": additional_params,
 469             "created-time": now,
 470             # "vnfd": vnfd,        # at OSM model.but removed to avoid data duplication TODO: revise
 471             "vnfd-ref": vnfd_id,
 472             "vnfd-id": vnfd["_id"],  # not at OSM model, but useful
 473             "vim-account-id": None,
 474             "vdur": [],
 475             "connection-point": [],
 476             "ip-address": None,  # mgmt-interface filled by LCM
 477         }
 478         vnf_k8s_namespace = ns_k8s_namespace
 479         if vnf_params:
 480             if vnf_params.get("k8s-namespace"):
 481                 vnf_k8s_namespace = vnf_params["k8s-namespace"]
 482             if vnf_params.get("config-units"):
 483                 vnfr_descriptor["config-units"] = vnf_params["config-units"]
 484
 485         # Create vld
 486         if vnfd.get("int-virtual-link-desc"):
 487             vnfr_descriptor["vld"] = []
 488             for vnfd_vld in vnfd.get("int-virtual-link-desc"):
 489                 vnfr_descriptor["vld"].append({key: vnfd_vld[key] for key in vnfd_vld})
 490
 491         for cp in vnfd.get("ext-cpd", ()):
 492             vnf_cp = {
 493                 "name": cp.get("id"),
 494                 "connection-point-id": cp.get("int-cpd", {}).get("cpd"),
 495                 "connection-point-vdu-id": cp.get("int-cpd", {}).get("vdu-id"),
 496                 "id": cp.get("id"),
 497                 # "ip-address", "mac-address" # filled by LCM
 498                 # vim-id  # TODO it would be nice having a vim port id
 499             }
 500             vnfr_descriptor["connection-point"].append(vnf_cp)
 501
 502         # Create k8s-cluster information
 503         # TODO: Validate if a k8s-cluster net can have more than one ext-cpd ?
 504         if vnfd.get("k8s-cluster"):
 505             vnfr_descriptor["k8s-cluster"] = vnfd["k8s-cluster"]
 506             all_k8s_cluster_nets_cpds = {}
 507             for cpd in get_iterable(vnfd.get("ext-cpd")):
 508                 if cpd.get("k8s-cluster-net"):
 509                     all_k8s_cluster_nets_cpds[cpd.get("k8s-cluster-net")] = cpd.get("id")
 510             for net in get_iterable(vnfr_descriptor["k8s-cluster"].get("nets")):
 511                 if net.get("id") in all_k8s_cluster_nets_cpds:
 512                     net["external-connection-point-ref"] = all_k8s_cluster_nets_cpds[net.get("id")]
 513
 514         # update kdus
 515         for kdu in get_iterable(vnfd.get("kdu")):
 516             additional_params, kdu_params = self._format_additional_params(ns_request,
 517                                                                            vnf_index,
 518                                                                            kdu_name=kdu["name"],
 519                                                                            descriptor=vnfd)
 520             kdu_k8s_namespace = vnf_k8s_namespace
 521             kdu_model = kdu_params.get("kdu_model") if kdu_params else None
 522             if kdu_params and kdu_params.get("k8s-namespace"):
 523                 kdu_k8s_namespace = kdu_params["k8s-namespace"]
 524
 525             kdur = {
 526                 "additionalParams": additional_params,
 527                 "k8s-namespace": kdu_k8s_namespace,
 528                 "kdu-name": kdu["name"],
 529                 # TODO      "name": ""     Name of the VDU in the VIM
 530                 "ip-address": None,  # mgmt-interface filled by LCM
 531                 "k8s-cluster": {},
 532             }
 533             if kdu_params and kdu_params.get("config-units"):
 534                 kdur["config-units"] = kdu_params["config-units"]
 535             if kdu.get("helm-version"):
 536                 kdur["helm-version"] = kdu["helm-version"]
 537             for k8s_type in ("helm-chart", "juju-bundle"):
 538                 if kdu.get(k8s_type):
 539                     kdur[k8s_type] = kdu_model or kdu[k8s_type]
 540             if not vnfr_descriptor.get("kdur"):
 541                 vnfr_descriptor["kdur"] = []
 542             vnfr_descriptor["kdur"].append(kdur)
 543
 544         vnfd_mgmt_cp = vnfd.get("mgmt-cp")
 545
 546         for vdu in vnfd.get("vdu", ()):
 547             vdu_mgmt_cp = []
 548             try:
 549                 configs = vnfd.get("df")[0]["lcm-operations-configuration"]["operate-vnf-op-config"]["day1-2"]
 550                 vdu_config = utils.find_in_list(configs, lambda config: config["id"] == vdu["id"])
 551             except Exception:
 552                 vdu_config = None
 553
 554             try:
 555                 vdu_instantiation_level = utils.find_in_list(
 556                     vnfd.get("df")[0]["instantiation-level"][0]["vdu-level"],
 557                     lambda a_vdu_profile: a_vdu_profile["vdu-id"] == vdu["id"]
 558                 )
 559             except Exception:
 560                 vdu_instantiation_level = None
 561
 562             if vdu_config:
 563                 external_connection_ee = utils.filter_in_list(
 564                     vdu_config.get("execution-environment-list", []),
 565                     lambda ee: "external-connection-point-ref" in ee
 566                 )
 567                 for ee in external_connection_ee:
 568                     vdu_mgmt_cp.append(ee["external-connection-point-ref"])
 569
 570             additional_params, vdu_params = self._format_additional_params(
 571                 ns_request, vnf_index, vdu_id=vdu["id"], descriptor=vnfd)
 572             vdur = {
 573                 "vdu-id-ref": vdu["id"],
 574                 # TODO      "name": ""     Name of the VDU in the VIM
 575                 "ip-address": None,  # mgmt-interface filled by LCM
 576                 # "vim-id", "flavor-id", "image-id", "management-ip" # filled by LCM
 577                 "internal-connection-point": [],
 578                 "interfaces": [],
 579                 "additionalParams": additional_params,
 580                 "vdu-name": vdu["name"]
 581             }
 582             if vdu_params and vdu_params.get("config-units"):
 583                 vdur["config-units"] = vdu_params["config-units"]
 584             if deep_get(vdu, ("supplemental-boot-data", "boot-data-drive")):
 585                 vdur["boot-data-drive"] = vdu["supplemental-boot-data"]["boot-data-drive"]
 586             if vdu.get("pdu-type"):
 587                 vdur["pdu-type"] = vdu["pdu-type"]
 588                 vdur["name"] = vdu["pdu-type"]
 589             # TODO volumes: name, volume-id
 590             for icp in vdu.get("int-cpd", ()):
 591                 vdu_icp = {
 592                     "id": icp["id"],
 593                     "connection-point-id": icp["id"],
 594                     "name": icp.get("id"),
 595                 }
 596
 597                 vdur["internal-connection-point"].append(vdu_icp)
 598
 599                 for iface in icp.get("virtual-network-interface-requirement", ()):
 600                     iface_fields = ("name", "mac-address")
 601                     vdu_iface = {x: iface[x] for x in iface_fields if iface.get(x) is not None}
 602
 603                     vdu_iface["internal-connection-point-ref"] = vdu_icp["id"]
 604                     if "port-security-enabled" in icp:
 605                         vdu_iface["port-security-enabled"] = icp["port-security-enabled"]
 606
 607                     if "port-security-disable-strategy" in icp:
 608                         vdu_iface["port-security-disable-strategy"] = icp["port-security-disable-strategy"]
 609
 610                     for ext_cp in vnfd.get("ext-cpd", ()):
 611                         if not ext_cp.get("int-cpd"):
 612                             continue
 613                         if ext_cp["int-cpd"].get("vdu-id") != vdu["id"]:
 614                             continue
 615                         if icp["id"] == ext_cp["int-cpd"].get("cpd"):
 616                             vdu_iface["external-connection-point-ref"] = ext_cp.get("id")
 617
 618                             if "port-security-enabled" in ext_cp:
 619                                 vdu_iface["port-security-enabled"] = (
 620                                     ext_cp["port-security-enabled"]
 621                                 )
 622
 623                             if "port-security-disable-strategy" in ext_cp:
 624                                 vdu_iface["port-security-disable-strategy"] = (
 625                                     ext_cp["port-security-disable-strategy"]
 626                                 )
 627
 628                             break
 629
 630                     if vnfd_mgmt_cp and vdu_iface.get("external-connection-point-ref") == vnfd_mgmt_cp:
 631                         vdu_iface["mgmt-vnf"] = True
 632                         vdu_iface["mgmt-interface"] = True
 633
 634                     for ecp in vdu_mgmt_cp:
 635                         if vdu_iface.get("external-connection-point-ref") == ecp:
 636                             vdu_iface["mgmt-interface"] = True
 637
 638                     if iface.get("virtual-interface"):
 639                         vdu_iface.update(deepcopy(iface["virtual-interface"]))
 640
 641                     # look for network where this interface is connected
 642                     iface_ext_cp = vdu_iface.get("external-connection-point-ref")
 643                     if iface_ext_cp:
 644                         # TODO: Change for multiple df support
 645                         for df in get_iterable(nsd.get("df")):
 646                             for vnf_profile in get_iterable(df.get("vnf-profile")):
 647                                 for vlc_index, vlc in \
 648                                         enumerate(get_iterable(vnf_profile.get("virtual-link-connectivity"))):
 649                                     for cpd in get_iterable(vlc.get("constituent-cpd-id")):
 650                                         if cpd.get("constituent-cpd-id") == iface_ext_cp:
 651                                             vdu_iface["ns-vld-id"] = vlc.get("virtual-link-profile-id")
 652                                             # if iface type is SRIOV or PASSTHROUGH, set pci-interfaces flag to True
 653                                             if vdu_iface.get("type") in ("SR-IOV", "PCI-PASSTHROUGH"):
 654                                                 nsr_descriptor["vld"][vlc_index]["pci-interfaces"] = True
 655                                             break
 656                     elif vdu_iface.get("internal-connection-point-ref"):
 657                         vdu_iface["vnf-vld-id"] = icp.get("int-virtual-link-desc")
 658                         # TODO: store fixed IP address in the record (if it exists in the ICP)
 659                         # if iface type is SRIOV or PASSTHROUGH, set pci-interfaces flag to True
 660                         if vdu_iface.get("type") in ("SR-IOV", "PCI-PASSTHROUGH"):
 661                             ivld_index = utils.find_index_in_list(vnfd.get("int-virtual-link-desc", ()),
 662                                                                   lambda ivld:
 663                                                                   ivld["id"] == icp.get("int-virtual-link-desc")
 664                                                                   )
 665                             vnfr_descriptor["vld"][ivld_index]["pci-interfaces"] = True
 666
 667                     vdur["interfaces"].append(vdu_iface)
 668
 669             if vdu.get("sw-image-desc"):
 670                 sw_image = utils.find_in_list(
 671                     vnfd.get("sw-image-desc", ()),
 672                     lambda image: image["id"] == vdu.get("sw-image-desc"))
 673                 nsr_sw_image_data = utils.find_in_list(
 674                     nsr_descriptor["image"],
 675                     lambda nsr_image: (nsr_image.get("image") == sw_image.get("image"))
 676                 )
 677                 vdur["ns-image-id"] = nsr_sw_image_data["id"]
 678
 679             if vdu.get("alternative-sw-image-desc"):
 680                 alt_image_ids = []
 681                 for alt_image_id in vdu.get("alternative-sw-image-desc", ()):
 682                     sw_image = utils.find_in_list(
 683                         vnfd.get("sw-image-desc", ()),
 684                         lambda image: image["id"] == alt_image_id)
 685                     nsr_sw_image_data = utils.find_in_list(
 686                         nsr_descriptor["image"],
 687                         lambda nsr_image: (nsr_image.get("image") == sw_image.get("image"))
 688                     )
 689                     alt_image_ids.append(nsr_sw_image_data["id"])
 690                 vdur["alt-image-ids"] = alt_image_ids
 691
 692             flavor_data_name = vdu["id"][:56] + "-flv"
 693             nsr_flavor_desc = utils.find_in_list(
 694                 nsr_descriptor["flavor"],
 695                 lambda flavor: flavor["name"] == flavor_data_name)
 696
 697             if nsr_flavor_desc:
 698                 vdur["ns-flavor-id"] = nsr_flavor_desc["id"]
 699
 700             if vdu_instantiation_level:
 701                 count = vdu_instantiation_level.get("number-of-instances")
 702             else:
 703                 count = 1
 704
 705             for index in range(0, count):
 706                 vdur = deepcopy(vdur)
 707                 for iface in vdur["interfaces"]:
 708                     if iface.get("ip-address"):
 709                         iface["ip-address"] = increment_ip_mac(iface["ip-address"])
 710                     if iface.get("mac-address"):
 711                         iface["mac-address"] = increment_ip_mac(iface["mac-address"])
 712
 713                 vdur["_id"] = str(uuid4())
 714                 vdur["id"] = vdur["_id"]
 715                 vdur["count-index"] = index
 716                 vnfr_descriptor["vdur"].append(vdur)
 717
 718         return vnfr_descriptor
 719
 720     def edit(self, session, _id, indata=None, kwargs=None, content=None):
 721         raise EngineException("Method edit called directly", HTTPStatus.INTERNAL_SERVER_ERROR)
 722
 723
 724 class VnfrTopic(BaseTopic):
 725     topic = "vnfrs"
 726     topic_msg = None
 727
 728     def __init__(self, db, fs, msg, auth):
 729         BaseTopic.__init__(self, db, fs, msg, auth)
 730
 731     def delete(self, session, _id, dry_run=False, not_send_msg=None):
 732         raise EngineException("Method delete called directly", HTTPStatus.INTERNAL_SERVER_ERROR)
 733
 734     def edit(self, session, _id, indata=None, kwargs=None, content=None):
 735         raise EngineException("Method edit called directly", HTTPStatus.INTERNAL_SERVER_ERROR)
 736
 737     def new(self, rollback, session, indata=None, kwargs=None, headers=None):
 738         # Not used because vnfrs are created and deleted by NsrTopic class directly
 739         raise EngineException("Method new called directly", HTTPStatus.INTERNAL_SERVER_ERROR)
 740
 741
 742 class NsLcmOpTopic(BaseTopic):
 743     topic = "nslcmops"
 744     topic_msg = "ns"
 745     operation_schema = {    # mapping between operation and jsonschema to validate
 746         "instantiate": ns_instantiate,
 747         "action": ns_action,
 748         "scale": ns_scale,
 749         "terminate": ns_terminate,
 750     }
 751
 752     def __init__(self, db, fs, msg, auth):
 753         BaseTopic.__init__(self, db, fs, msg, auth)
 754
 755     def _check_ns_operation(self, session, nsr, operation, indata):
 756         """
 757         Check that user has enter right parameters for the operation
 758         :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
 759         :param operation: it can be: instantiate, terminate, action, TODO: update, heal
 760         :param indata: descriptor with the parameters of the operation
 761         :return: None
 762         """
 763         if operation == "action":
 764             self._check_action_ns_operation(indata, nsr)
 765         elif operation == "scale":
 766             self._check_scale_ns_operation(indata, nsr)
 767         elif operation == "instantiate":
 768             self._check_instantiate_ns_operation(indata, nsr, session)
 769
 770     def _check_action_ns_operation(self, indata, nsr):
 771         nsd = nsr["nsd"]
 772         # check vnf_member_index
 773         if indata.get("vnf_member_index"):
 774             indata["member_vnf_index"] = indata.pop("vnf_member_index")  # for backward compatibility
 775         if indata.get("member_vnf_index"):
 776             vnfd = self._get_vnfd_from_vnf_member_index(indata["member_vnf_index"], nsr["_id"])
 777             try:
 778                 configs = vnfd.get("df")[0]["lcm-operations-configuration"]["operate-vnf-op-config"]["day1-2"]
 779             except Exception:
 780                 configs = []
 781
 782             if indata.get("vdu_id"):
 783                 self._check_valid_vdu(vnfd, indata["vdu_id"])
 784                 descriptor_configuration = utils.find_in_list(
 785                     configs,
 786                     lambda config: config["id"] == indata["vdu_id"]
 787                 )
 788             elif indata.get("kdu_name"):
 789                 self._check_valid_kdu(vnfd, indata["kdu_name"])
 790                 descriptor_configuration = utils.find_in_list(
 791                     configs,
 792                     lambda config: config["id"] == indata.get("kdu_name")
 793                 )
 794             else:
 795                 descriptor_configuration = utils.find_in_list(
 796                     configs,
 797                     lambda config: config["id"] == vnfd["id"]
 798                 )
 799             if descriptor_configuration is not None:
 800                 descriptor_configuration = descriptor_configuration.get("config-primitive")
 801         else:  # use a NSD
 802             descriptor_configuration = nsd.get("ns-configuration", {}).get("config-primitive")
 803
 804         # For k8s allows default primitives without validating the parameters
 805         if indata.get("kdu_name") and indata["primitive"] in ("upgrade", "rollback", "status", "inspect", "readme"):
 806             # TODO should be checked that rollback only can contains revsision_numbe????
 807             if not indata.get("member_vnf_index"):
 808                 raise EngineException("Missing action parameter 'member_vnf_index' for default KDU primitive '{}'"
 809                                       .format(indata["primitive"]))
 810             return
 811         # if not, check primitive
 812         for config_primitive in get_iterable(descriptor_configuration):
 813             if indata["primitive"] == config_primitive["name"]:
 814                 # check needed primitive_params are provided
 815                 if indata.get("primitive_params"):
 816                     in_primitive_params_copy = copy(indata["primitive_params"])
 817                 else:
 818                     in_primitive_params_copy = {}
 819                 for paramd in get_iterable(config_primitive.get("parameter")):
 820                     if paramd["name"] in in_primitive_params_copy:
 821                         del in_primitive_params_copy[paramd["name"]]
 822                     elif not paramd.get("default-value"):
 823                         raise EngineException("Needed parameter {} not provided for primitive '{}'".format(
 824                             paramd["name"], indata["primitive"]))
 825                 # check no extra primitive params are provided
 826                 if in_primitive_params_copy:
 827                     raise EngineException("parameter/s '{}' not present at vnfd /nsd for primitive '{}'".format(
 828                         list(in_primitive_params_copy.keys()), indata["primitive"]))
 829                 break
 830         else:
 831             raise EngineException("Invalid primitive '{}' is not present at vnfd/nsd".format(indata["primitive"]))
 832
 833     def _check_scale_ns_operation(self, indata, nsr):
 834         vnfd = self._get_vnfd_from_vnf_member_index(indata["scaleVnfData"]["scaleByStepData"]["member-vnf-index"],
 835                                                     nsr["_id"])
 836         for scaling_aspect in get_iterable(vnfd.get("df", ())[0]["scaling-aspect"]):
 837             if indata["scaleVnfData"]["scaleByStepData"]["scaling-group-descriptor"] == scaling_aspect["id"]:
 838                 break
 839         else:
 840             raise EngineException("Invalid scaleVnfData:scaleByStepData:scaling-group-descriptor '{}' is not "
 841                                   "present at vnfd:scaling-aspect"
 842                                   .format(indata["scaleVnfData"]["scaleByStepData"]["scaling-group-descriptor"]))
 843
 844     def _check_instantiate_ns_operation(self, indata, nsr, session):
 845         vnf_member_index_to_vnfd = {}  # map between vnf_member_index to vnf descriptor.
 846         vim_accounts = []
 847         wim_accounts = []
 848         nsd = nsr["nsd"]
 849         self._check_valid_vim_account(indata["vimAccountId"], vim_accounts, session)
 850         self._check_valid_wim_account(indata.get("wimAccountId"), wim_accounts, session)
 851         for in_vnf in get_iterable(indata.get("vnf")):
 852             member_vnf_index = in_vnf["member-vnf-index"]
 853             if vnf_member_index_to_vnfd.get(member_vnf_index):
 854                 vnfd = vnf_member_index_to_vnfd[member_vnf_index]
 855             else:
 856                 vnfd = self._get_vnfd_from_vnf_member_index(member_vnf_index, nsr["_id"])
 857                 vnf_member_index_to_vnfd[member_vnf_index] = vnfd  # add to cache, avoiding a later look for
 858             self._check_vnf_instantiation_params(in_vnf, vnfd)
 859             if in_vnf.get("vimAccountId"):
 860                 self._check_valid_vim_account(in_vnf["vimAccountId"], vim_accounts, session)
 861
 862         for in_vld in get_iterable(indata.get("vld")):
 863             self._check_valid_wim_account(in_vld.get("wimAccountId"), wim_accounts, session)
 864             for vldd in get_iterable(nsd.get("virtual-link-desc")):
 865                 if in_vld["name"] == vldd["id"]:
 866                     break
 867             else:
 868                 raise EngineException("Invalid parameter vld:name='{}' is not present at nsd:vld".format(
 869                     in_vld["name"]))
 870
 871     def _get_vnfd_from_vnf_member_index(self, member_vnf_index, nsr_id):
 872         # Obtain vnf descriptor. The vnfr is used to get the vnfd._id used for this member_vnf_index
 873         vnfr = self.db.get_one("vnfrs",
 874                                {"nsr-id-ref": nsr_id, "member-vnf-index-ref": member_vnf_index},
 875                                fail_on_empty=False)
 876         if not vnfr:
 877             raise EngineException("Invalid parameter member_vnf_index='{}' is not one of the "
 878                                   "nsd:constituent-vnfd".format(member_vnf_index))
 879         vnfd = self.db.get_one("vnfds", {"_id": vnfr["vnfd-id"]}, fail_on_empty=False)
 880         if not vnfd:
 881             raise EngineException("vnfd id={} has been deleted!. Operation cannot be performed".
 882                                   format(vnfr["vnfd-id"]))
 883         return vnfd
 884
 885     def _check_valid_vdu(self, vnfd, vdu_id):
 886         for vdud in get_iterable(vnfd.get("vdu")):
 887             if vdud["id"] == vdu_id:
 888                 return vdud
 889         else:
 890             raise EngineException("Invalid parameter vdu_id='{}' not present at vnfd:vdu:id".format(vdu_id))
 891
 892     def _check_valid_kdu(self, vnfd, kdu_name):
 893         for kdud in get_iterable(vnfd.get("kdu")):
 894             if kdud["name"] == kdu_name:
 895                 return kdud
 896         else:
 897             raise EngineException("Invalid parameter kdu_name='{}' not present at vnfd:kdu:name".format(kdu_name))
 898
 899     def _check_vnf_instantiation_params(self, in_vnf, vnfd):
 900         for in_vdu in get_iterable(in_vnf.get("vdu")):
 901             for vdu in get_iterable(vnfd.get("vdu")):
 902                 if in_vdu["id"] == vdu["id"]:
 903                     for volume in get_iterable(in_vdu.get("volume")):
 904                         for volumed in get_iterable(vdu.get("virtual-storage-desc")):
 905                             if volumed["id"] == volume["name"]:
 906                                 break
 907                         else:
 908                             raise EngineException("Invalid parameter vnf[member-vnf-index='{}']:vdu[id='{}']:"
 909                                                   "volume:name='{}' is not present at "
 910                                                   "vnfd:vdu:virtual-storage-desc list".
 911                                                   format(in_vnf["member-vnf-index"], in_vdu["id"],
 912                                                          volume["id"]))
 913
 914                     vdu_if_names = set()
 915                     for cpd in get_iterable(vdu.get("int-cpd")):
 916                         for iface in get_iterable(cpd.get("virtual-network-interface-requirement")):
 917                             vdu_if_names.add(iface.get("name"))
 918
 919                     for in_iface in get_iterable(in_vdu["interface"]):
 920                         if in_iface["name"] in vdu_if_names:
 921                             break
 922                         else:
 923                             raise EngineException("Invalid parameter vnf[member-vnf-index='{}']:vdu[id='{}']:"
 924                                                   "int-cpd[id='{}'] is not present at vnfd:vdu:int-cpd"
 925                                                   .format(in_vnf["member-vnf-index"], in_vdu["id"],
 926                                                           in_iface["name"]))
 927                     break
 928
 929             else:
 930                 raise EngineException("Invalid parameter vnf[member-vnf-index='{}']:vdu[id='{}'] is not present "
 931                                       "at vnfd:vdu".format(in_vnf["member-vnf-index"], in_vdu["id"]))
 932
 933         vnfd_ivlds_cpds = {ivld.get("id"): set() for ivld in get_iterable(vnfd.get("int-virtual-link-desc"))}
 934         for vdu in get_iterable(vnfd.get("vdu")):
 935             for cpd in get_iterable(vnfd.get("int-cpd")):
 936                 if cpd.get("int-virtual-link-desc"):
 937                     vnfd_ivlds_cpds[cpd.get("int-virtual-link-desc")] = cpd.get("id")
 938
 939         for in_ivld in get_iterable(in_vnf.get("internal-vld")):
 940             if in_ivld.get("name") in vnfd_ivlds_cpds:
 941                 for in_icp in get_iterable(in_ivld.get("internal-connection-point")):
 942                     if in_icp["id-ref"] in vnfd_ivlds_cpds[in_ivld.get("name")]:
 943                         break
 944                     else:
 945                         raise EngineException("Invalid parameter vnf[member-vnf-index='{}']:internal-vld[name"
 946                                               "='{}']:internal-connection-point[id-ref:'{}'] is not present at "
 947                                               "vnfd:internal-vld:name/id:internal-connection-point"
 948                                               .format(in_vnf["member-vnf-index"], in_ivld["name"],
 949                                                       in_icp["id-ref"]))
 950             else:
 951                 raise EngineException("Invalid parameter vnf[member-vnf-index='{}']:internal-vld:name='{}'"
 952                                       " is not present at vnfd '{}'".format(in_vnf["member-vnf-index"],
 953                                                                             in_ivld["name"], vnfd["id"]))
 954
 955     def _check_valid_vim_account(self, vim_account, vim_accounts, session):
 956         if vim_account in vim_accounts:
 957             return
 958         try:
 959             db_filter = self._get_project_filter(session)
 960             db_filter["_id"] = vim_account
 961             self.db.get_one("vim_accounts", db_filter)
 962         except Exception:
 963             raise EngineException("Invalid vimAccountId='{}' not present for the project".format(vim_account))
 964         vim_accounts.append(vim_account)
 965
 966     def _check_valid_wim_account(self, wim_account, wim_accounts, session):
 967         if not isinstance(wim_account, str):
 968             return
 969         if wim_account in wim_accounts:
 970             return
 971         try:
 972             db_filter = self._get_project_filter(session, write=False, show_all=True)
 973             db_filter["_id"] = wim_account
 974             self.db.get_one("wim_accounts", db_filter)
 975         except Exception:
 976             raise EngineException("Invalid wimAccountId='{}' not present for the project".format(wim_account))
 977         wim_accounts.append(wim_account)
 978
 979     def _look_for_pdu(self, session, rollback, vnfr, vim_account, vnfr_update, vnfr_update_rollback):
 980         """
 981         Look for a free PDU in the catalog matching vdur type and interfaces. Fills vnfr.vdur with the interface
 982         (ip_address, ...) information.
 983         Modifies PDU _admin.usageState to 'IN_USE'
 984         :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
 985         :param rollback: list with the database modifications to rollback if needed
 986         :param vnfr: vnfr to be updated. It is modified with pdu interface info if pdu is found
 987         :param vim_account: vim_account where this vnfr should be deployed
 988         :param vnfr_update: dictionary filled by this method with changes to be done at database vnfr
 989         :param vnfr_update_rollback: dictionary filled by this method with original content of vnfr in case a rollback
 990                                      of the changed vnfr is needed
 991
 992         :return: List of PDU interfaces that are connected to an existing VIM network. Each item contains:
 993                  "vim-network-name": used at VIM
 994                   "name": interface name
 995                   "vnf-vld-id": internal VNFD vld where this interface is connected, or
 996                   "ns-vld-id": NSD vld where this interface is connected.
 997                   NOTE: One, and only one between 'vnf-vld-id' and 'ns-vld-id' contains a value. The other will be None
 998         """
 999
1000         ifaces_forcing_vim_network = []
1001         for vdur_index, vdur in enumerate(get_iterable(vnfr.get("vdur"))):
1002             if not vdur.get("pdu-type"):
1003                 continue
1004             pdu_type = vdur.get("pdu-type")
1005             pdu_filter = self._get_project_filter(session)
1006             pdu_filter["vim_accounts"] = vim_account
1007             pdu_filter["type"] = pdu_type
1008             pdu_filter["_admin.operationalState"] = "ENABLED"
1009             pdu_filter["_admin.usageState"] = "NOT_IN_USE"
1010             # TODO feature 1417: "shared": True,
1011
1012             available_pdus = self.db.get_list("pdus", pdu_filter)
1013             for pdu in available_pdus:
1014                 # step 1 check if this pdu contains needed interfaces:
1015                 match_interfaces = True
1016                 for vdur_interface in vdur["interfaces"]:
1017                     for pdu_interface in pdu["interfaces"]:
1018                         if pdu_interface["name"] == vdur_interface["name"]:
1019                             # TODO feature 1417: match per mgmt type
1020                             break
1021                     else:  # no interface found for name
1022                         match_interfaces = False
1023                         break
1024                 if match_interfaces:
1025                     break
1026             else:
1027                 raise EngineException(
1028                     "No PDU of type={} at vim_account={} found for member_vnf_index={}, vdu={} matching interface "
1029                     "names".format(pdu_type, vim_account, vnfr["member-vnf-index-ref"], vdur["vdu-id-ref"]))
1030
1031             # step 2. Update pdu
1032             rollback_pdu = {
1033                 "_admin.usageState": pdu["_admin"]["usageState"],
1034                 "_admin.usage.vnfr_id": None,
1035                 "_admin.usage.nsr_id": None,
1036                 "_admin.usage.vdur": None,
1037             }
1038             self.db.set_one("pdus", {"_id": pdu["_id"]},
1039                             {"_admin.usageState": "IN_USE",
1040                              "_admin.usage": {"vnfr_id": vnfr["_id"],
1041                                               "nsr_id": vnfr["nsr-id-ref"],
1042                                               "vdur": vdur["vdu-id-ref"]}
1043                              })
1044             rollback.append({"topic": "pdus", "_id": pdu["_id"], "operation": "set", "content": rollback_pdu})
1045
1046             # step 3. Fill vnfr info by filling vdur
1047             vdu_text = "vdur.{}".format(vdur_index)
1048             vnfr_update_rollback[vdu_text + ".pdu-id"] = None
1049             vnfr_update[vdu_text + ".pdu-id"] = pdu["_id"]
1050             for iface_index, vdur_interface in enumerate(vdur["interfaces"]):
1051                 for pdu_interface in pdu["interfaces"]:
1052                     if pdu_interface["name"] == vdur_interface["name"]:
1053                         iface_text = vdu_text + ".interfaces.{}".format(iface_index)
1054                         for k, v in pdu_interface.items():
1055                             if k in ("ip-address", "mac-address"):  # TODO: switch-xxxxx must be inserted
1056                                 vnfr_update[iface_text + ".{}".format(k)] = v
1057                                 vnfr_update_rollback[iface_text + ".{}".format(k)] = vdur_interface.get(v)
1058                         if pdu_interface.get("ip-address"):
1059                             if vdur_interface.get("mgmt-interface") or vdur_interface.get("mgmt-vnf"):
1060                                 vnfr_update_rollback[vdu_text + ".ip-address"] = vdur.get("ip-address")
1061                                 vnfr_update[vdu_text + ".ip-address"] = pdu_interface["ip-address"]
1062                             if vdur_interface.get("mgmt-vnf"):
1063                                 vnfr_update_rollback["ip-address"] = vnfr.get("ip-address")
1064                                 vnfr_update["ip-address"] = pdu_interface["ip-address"]
1065                                 vnfr_update[vdu_text + ".ip-address"] = pdu_interface["ip-address"]
1066                         if pdu_interface.get("vim-network-name") or pdu_interface.get("vim-network-id"):
1067                             ifaces_forcing_vim_network.append({
1068                                 "name": vdur_interface.get("vnf-vld-id") or vdur_interface.get("ns-vld-id"),
1069                                 "vnf-vld-id": vdur_interface.get("vnf-vld-id"),
1070                                 "ns-vld-id": vdur_interface.get("ns-vld-id")})
1071                             if pdu_interface.get("vim-network-id"):
1072                                 ifaces_forcing_vim_network[-1]["vim-network-id"] = pdu_interface["vim-network-id"]
1073                             if pdu_interface.get("vim-network-name"):
1074                                 ifaces_forcing_vim_network[-1]["vim-network-name"] = pdu_interface["vim-network-name"]
1075                         break
1076
1077         return ifaces_forcing_vim_network
1078
1079     def _look_for_k8scluster(self, session, rollback, vnfr, vim_account, vnfr_update, vnfr_update_rollback):
1080         """
1081         Look for an available k8scluster for all the kuds in the vnfd matching version and cni requirements.
1082         Fills vnfr.kdur with the selected k8scluster
1083
1084         :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
1085         :param rollback: list with the database modifications to rollback if needed
1086         :param vnfr: vnfr to be updated. It is modified with pdu interface info if pdu is found
1087         :param vim_account: vim_account where this vnfr should be deployed
1088         :param vnfr_update: dictionary filled by this method with changes to be done at database vnfr
1089         :param vnfr_update_rollback: dictionary filled by this method with original content of vnfr in case a rollback
1090                                      of the changed vnfr is needed
1091
1092         :return: List of KDU interfaces that are connected to an existing VIM network. Each item contains:
1093                  "vim-network-name": used at VIM
1094                   "name": interface name
1095                   "vnf-vld-id": internal VNFD vld where this interface is connected, or
1096                   "ns-vld-id": NSD vld where this interface is connected.
1097                   NOTE: One, and only one between 'vnf-vld-id' and 'ns-vld-id' contains a value. The other will be None
1098         """
1099
1100         ifaces_forcing_vim_network = []
1101         if not vnfr.get("kdur"):
1102             return ifaces_forcing_vim_network
1103
1104         kdu_filter = self._get_project_filter(session)
1105         kdu_filter["vim_account"] = vim_account
1106         # TODO kdu_filter["_admin.operationalState"] = "ENABLED"
1107         available_k8sclusters = self.db.get_list("k8sclusters", kdu_filter)
1108
1109         k8s_requirements = {}  # just for logging
1110         for k8scluster in available_k8sclusters:
1111             if not vnfr.get("k8s-cluster"):
1112                 break
1113             # restrict by cni
1114             if vnfr["k8s-cluster"].get("cni"):
1115                 k8s_requirements["cni"] = vnfr["k8s-cluster"]["cni"]
1116                 if not set(vnfr["k8s-cluster"]["cni"]).intersection(k8scluster.get("cni", ())):
1117                     continue
1118             # restrict by version
1119             if vnfr["k8s-cluster"].get("version"):
1120                 k8s_requirements["version"] = vnfr["k8s-cluster"]["version"]
1121                 if k8scluster.get("k8s_version") not in vnfr["k8s-cluster"]["version"]:
1122                     continue
1123             # restrict by number of networks
1124             if vnfr["k8s-cluster"].get("nets"):
1125                 k8s_requirements["networks"] = len(vnfr["k8s-cluster"]["nets"])
1126                 if not k8scluster.get("nets") or len(k8scluster["nets"]) < len(vnfr["k8s-cluster"]["nets"]):
1127                     continue
1128             break
1129         else:
1130             raise EngineException("No k8scluster with requirements='{}' at vim_account={} found for member_vnf_index={}"
1131                                   .format(k8s_requirements, vim_account, vnfr["member-vnf-index-ref"]))
1132
1133         for kdur_index, kdur in enumerate(get_iterable(vnfr.get("kdur"))):
1134             # step 3. Fill vnfr info by filling kdur
1135             kdu_text = "kdur.{}.".format(kdur_index)
1136             vnfr_update_rollback[kdu_text + "k8s-cluster.id"] = None
1137             vnfr_update[kdu_text + "k8s-cluster.id"] = k8scluster["_id"]
1138
1139         # step 4. Check VIM networks that forces the selected k8s_cluster
1140         if vnfr.get("k8s-cluster") and vnfr["k8s-cluster"].get("nets"):
1141             k8scluster_net_list = list(k8scluster.get("nets").keys())
1142             for net_index, kdur_net in enumerate(vnfr["k8s-cluster"]["nets"]):
1143                 # get a network from k8s_cluster nets. If name matches use this, if not use other
1144                 if kdur_net["id"] in k8scluster_net_list:  # name matches
1145                     vim_net = k8scluster["nets"][kdur_net["id"]]
1146                     k8scluster_net_list.remove(kdur_net["id"])
1147                 else:
1148                     vim_net = k8scluster["nets"][k8scluster_net_list[0]]
1149                     k8scluster_net_list.pop(0)
1150                 vnfr_update_rollback["k8s-cluster.nets.{}.vim_net".format(net_index)] = None
1151                 vnfr_update["k8s-cluster.nets.{}.vim_net".format(net_index)] = vim_net
1152                 if vim_net and (kdur_net.get("vnf-vld-id") or kdur_net.get("ns-vld-id")):
1153                     ifaces_forcing_vim_network.append({
1154                         "name": kdur_net.get("vnf-vld-id") or kdur_net.get("ns-vld-id"),
1155                         "vnf-vld-id": kdur_net.get("vnf-vld-id"),
1156                         "ns-vld-id": kdur_net.get("ns-vld-id"),
1157                         "vim-network-name": vim_net,   # TODO can it be vim-network-id ???
1158                     })
1159             # TODO check that this forcing is not incompatible with other forcing
1160         return ifaces_forcing_vim_network
1161
1162     def _update_vnfrs(self, session, rollback, nsr, indata):
1163         # get vnfr
1164         nsr_id = nsr["_id"]
1165         vnfrs = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id})
1166
1167         for vnfr in vnfrs:
1168             vnfr_update = {}
1169             vnfr_update_rollback = {}
1170             member_vnf_index = vnfr["member-vnf-index-ref"]
1171             # update vim-account-id
1172
1173             vim_account = indata["vimAccountId"]
1174             # check instantiate parameters
1175             for vnf_inst_params in get_iterable(indata.get("vnf")):
1176                 if vnf_inst_params["member-vnf-index"] != member_vnf_index:
1177                     continue
1178                 if vnf_inst_params.get("vimAccountId"):
1179                     vim_account = vnf_inst_params.get("vimAccountId")
1180
1181                 # get vnf.vdu.interface instantiation params to update vnfr.vdur.interfaces ip, mac
1182                 for vdu_inst_param in get_iterable(vnf_inst_params.get("vdu")):
1183                     for vdur_index, vdur in enumerate(vnfr["vdur"]):
1184                         if vdu_inst_param["id"] != vdur["vdu-id-ref"]:
1185                             continue
1186                         for iface_inst_param in get_iterable(vdu_inst_param.get("interface")):
1187                             iface_index, _ = next(i for i in enumerate(vdur["interfaces"])
1188                                                   if i[1]["name"] == iface_inst_param["name"])
1189                             vnfr_update_text = "vdur.{}.interfaces.{}".format(vdur_index, iface_index)
1190                             if iface_inst_param.get("ip-address"):
1191                                 vnfr_update[vnfr_update_text + ".ip-address"] = increment_ip_mac(
1192                                     iface_inst_param.get("ip-address"), vdur.get("count-index", 0))
1193                                 vnfr_update[vnfr_update_text + ".fixed-ip"] = True
1194                             if iface_inst_param.get("mac-address"):
1195                                 vnfr_update[vnfr_update_text + ".mac-address"] = increment_ip_mac(
1196                                     iface_inst_param.get("mac-address"), vdur.get("count-index", 0))
1197                                 vnfr_update[vnfr_update_text + ".fixed-mac"] = True
1198                             if iface_inst_param.get("floating-ip-required"):
1199                                 vnfr_update[vnfr_update_text + ".floating-ip-required"] = True
1200                 # get vnf.internal-vld.internal-conection-point instantiation params to update vnfr.vdur.interfaces
1201                 # TODO update vld with the ip-profile
1202                 for ivld_inst_param in get_iterable(vnf_inst_params.get("internal-vld")):
1203                     for icp_inst_param in get_iterable(ivld_inst_param.get("internal-connection-point")):
1204                         # look for iface
1205                         for vdur_index, vdur in enumerate(vnfr["vdur"]):
1206                             for iface_index, iface in enumerate(vdur["interfaces"]):
1207                                 if iface.get("internal-connection-point-ref") == icp_inst_param["id-ref"]:
1208                                     vnfr_update_text = "vdur.{}.interfaces.{}".format(vdur_index, iface_index)
1209                                     if icp_inst_param.get("ip-address"):
1210                                         vnfr_update[vnfr_update_text + ".ip-address"] = increment_ip_mac(
1211                                             icp_inst_param.get("ip-address"), vdur.get("count-index", 0))
1212                                         vnfr_update[vnfr_update_text + ".fixed-ip"] = True
1213                                     if icp_inst_param.get("mac-address"):
1214                                         vnfr_update[vnfr_update_text + ".mac-address"] = increment_ip_mac(
1215                                             icp_inst_param.get("mac-address"), vdur.get("count-index", 0))
1216                                         vnfr_update[vnfr_update_text + ".fixed-mac"] = True
1217                                     break
1218             # get ip address from instantiation parameters.vld.vnfd-connection-point-ref
1219             for vld_inst_param in get_iterable(indata.get("vld")):
1220                 for vnfcp_inst_param in get_iterable(vld_inst_param.get("vnfd-connection-point-ref")):
1221                     if vnfcp_inst_param["member-vnf-index-ref"] != member_vnf_index:
1222                         continue
1223                     # look for iface
1224                     for vdur_index, vdur in enumerate(vnfr["vdur"]):
1225                         for iface_index, iface in enumerate(vdur["interfaces"]):
1226                             if iface.get("external-connection-point-ref") == \
1227                                     vnfcp_inst_param["vnfd-connection-point-ref"]:
1228                                 vnfr_update_text = "vdur.{}.interfaces.{}".format(vdur_index, iface_index)
1229                                 if vnfcp_inst_param.get("ip-address"):
1230                                     vnfr_update[vnfr_update_text + ".ip-address"] = increment_ip_mac(
1231                                         vnfcp_inst_param.get("ip-address"), vdur.get("count-index", 0))
1232                                     vnfr_update[vnfr_update_text + ".fixed-ip"] = True
1233                                 if vnfcp_inst_param.get("mac-address"):
1234                                     vnfr_update[vnfr_update_text + ".mac-address"] = increment_ip_mac(
1235                                         vnfcp_inst_param.get("mac-address"), vdur.get("count-index", 0))
1236                                     vnfr_update[vnfr_update_text + ".fixed-mac"] = True
1237                                 break
1238
1239             vnfr_update["vim-account-id"] = vim_account
1240             vnfr_update_rollback["vim-account-id"] = vnfr.get("vim-account-id")
1241
1242             # get pdu
1243             ifaces_forcing_vim_network = self._look_for_pdu(session, rollback, vnfr, vim_account, vnfr_update,
1244                                                             vnfr_update_rollback)
1245
1246             # get kdus
1247             ifaces_forcing_vim_network += self._look_for_k8scluster(session, rollback, vnfr, vim_account, vnfr_update,
1248                                                                     vnfr_update_rollback)
1249             # update database vnfr
1250             self.db.set_one("vnfrs", {"_id": vnfr["_id"]}, vnfr_update)
1251             rollback.append({"topic": "vnfrs", "_id": vnfr["_id"], "operation": "set", "content": vnfr_update_rollback})
1252
1253             # Update indada in case pdu forces to use a concrete vim-network-name
1254             # TODO check if user has already insert a vim-network-name and raises an error
1255             if not ifaces_forcing_vim_network:
1256                 continue
1257             for iface_info in ifaces_forcing_vim_network:
1258                 if iface_info.get("ns-vld-id"):
1259                     if "vld" not in indata:
1260                         indata["vld"] = []
1261                     indata["vld"].append({key: iface_info[key] for key in
1262                                           ("name", "vim-network-name", "vim-network-id") if iface_info.get(key)})
1263
1264                 elif iface_info.get("vnf-vld-id"):
1265                     if "vnf" not in indata:
1266                         indata["vnf"] = []
1267                     indata["vnf"].append({
1268                         "member-vnf-index": member_vnf_index,
1269                         "internal-vld": [{key: iface_info[key] for key in
1270                                           ("name", "vim-network-name", "vim-network-id") if iface_info.get(key)}]
1271                     })
1272
1273     @staticmethod
1274     def _create_nslcmop(nsr_id, operation, params):
1275         """
1276         Creates a ns-lcm-opp content to be stored at database.
1277         :param nsr_id: internal id of the instance
1278         :param operation: instantiate, terminate, scale, action, ...
1279         :param params: user parameters for the operation
1280         :return: dictionary following SOL005 format
1281         """
1282         now = time()
1283         _id = str(uuid4())
1284         nslcmop = {
1285             "id": _id,
1286             "_id": _id,
1287             "operationState": "PROCESSING",  # COMPLETED,PARTIALLY_COMPLETED,FAILED_TEMP,FAILED,ROLLING_BACK,ROLLED_BACK
1288             "queuePosition": None,
1289             "stage": None,
1290             "errorMessage": None,
1291             "detailedStatus": None,
1292             "statusEnteredTime": now,
1293             "nsInstanceId": nsr_id,
1294             "lcmOperationType": operation,
1295             "startTime": now,
1296             "isAutomaticInvocation": False,
1297             "operationParams": params,
1298             "isCancelPending": False,
1299             "links": {
1300                 "self": "/osm/nslcm/v1/ns_lcm_op_occs/" + _id,
1301                 "nsInstance": "/osm/nslcm/v1/ns_instances/" + nsr_id,
1302             }
1303         }
1304         return nslcmop
1305
1306     def _get_enabled_vims(self, session):
1307         """
1308         Retrieve and return VIM accounts that are accessible by current user and has state ENABLE
1309         :param session: current session with user information
1310         """
1311         db_filter = self._get_project_filter(session)
1312         db_filter["_admin.operationalState"] = "ENABLED"
1313         vims = self.db.get_list("vim_accounts", db_filter)
1314         vimAccounts = []
1315         for vim in vims:
1316             vimAccounts.append(vim['_id'])
1317         return vimAccounts
1318
1319     def new(self, rollback, session, indata=None, kwargs=None, headers=None, slice_object=False):
1320         """
1321         Performs a new operation over a ns
1322         :param rollback: list to append created items at database in case a rollback must to be done
1323         :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
1324         :param indata: descriptor with the parameters of the operation. It must contains among others
1325             nsInstanceId: _id of the nsr to perform the operation
1326             operation: it can be: instantiate, terminate, action, TODO: update, heal
1327         :param kwargs: used to override the indata descriptor
1328         :param headers: http request headers
1329         :return: id of the nslcmops
1330         """
1331         def check_if_nsr_is_not_slice_member(session, nsr_id):
1332             nsis = None
1333             db_filter = self._get_project_filter(session)
1334             db_filter["_admin.nsrs-detailed-list.ANYINDEX.nsrId"] = nsr_id
1335             nsis = self.db.get_one("nsis", db_filter, fail_on_empty=False, fail_on_more=False)
1336             if nsis:
1337                 raise EngineException("The NS instance {} cannot be terminated because is used by the slice {}".format(
1338                                       nsr_id, nsis["_id"]), http_code=HTTPStatus.CONFLICT)
1339
1340         try:
1341             # Override descriptor with query string kwargs
1342             self._update_input_with_kwargs(indata, kwargs, yaml_format=True)
1343             operation = indata["lcmOperationType"]
1344             nsInstanceId = indata["nsInstanceId"]
1345
1346             validate_input(indata, self.operation_schema[operation])
1347             # get ns from nsr_id
1348             _filter = BaseTopic._get_project_filter(session)
1349             _filter["_id"] = nsInstanceId
1350             nsr = self.db.get_one("nsrs", _filter)
1351
1352             # initial checking
1353             if operation == "terminate" and slice_object is False:
1354                 check_if_nsr_is_not_slice_member(session, nsr["_id"])
1355             if not nsr["_admin"].get("nsState") or nsr["_admin"]["nsState"] == "NOT_INSTANTIATED":
1356                 if operation == "terminate" and indata.get("autoremove"):
1357                     # NSR must be deleted
1358                     return None, None    # a none in this case is used to indicate not instantiated. It can be removed
1359                 if operation != "instantiate":
1360                     raise EngineException("ns_instance '{}' cannot be '{}' because it is not instantiated".format(
1361                         nsInstanceId, operation), HTTPStatus.CONFLICT)
1362             else:
1363                 if operation == "instantiate" and not session["force"]:
1364                     raise EngineException("ns_instance '{}' cannot be '{}' because it is already instantiated".format(
1365                         nsInstanceId, operation), HTTPStatus.CONFLICT)
1366             self._check_ns_operation(session, nsr, operation, indata)
1367
1368             if operation == "instantiate":
1369                 self._update_vnfrs(session, rollback, nsr, indata)
1370
1371             nslcmop_desc = self._create_nslcmop(nsInstanceId, operation, indata)
1372             _id = nslcmop_desc["_id"]
1373             self.format_on_new(nslcmop_desc, session["project_id"], make_public=session["public"])
1374             if indata.get("placement-engine"):
1375                 # Save valid vim accounts in lcm operation descriptor
1376                 nslcmop_desc['operationParams']['validVimAccounts'] = self._get_enabled_vims(session)
1377             self.db.create("nslcmops", nslcmop_desc)
1378             rollback.append({"topic": "nslcmops", "_id": _id})
1379             if not slice_object:
1380                 self.msg.write("ns", operation, nslcmop_desc)
1381             return _id, None
1382         except ValidationError as e:  # TODO remove try Except, it is captured at nbi.py
1383             raise EngineException(e, HTTPStatus.UNPROCESSABLE_ENTITY)
1384         # except DbException as e:
1385         #     raise EngineException("Cannot get ns_instance '{}': {}".format(e), HTTPStatus.NOT_FOUND)
1386
1387     def delete(self, session, _id, dry_run=False, not_send_msg=None):
1388         raise EngineException("Method delete called directly", HTTPStatus.INTERNAL_SERVER_ERROR)
1389
1390     def edit(self, session, _id, indata=None, kwargs=None, content=None):
1391         raise EngineException("Method edit called directly", HTTPStatus.INTERNAL_SERVER_ERROR)
1392
1393
1394 class NsiTopic(BaseTopic):
1395     topic = "nsis"
1396     topic_msg = "nsi"
1397     quota_name = "slice_instances"
1398
1399     def __init__(self, db, fs, msg, auth):
1400         BaseTopic.__init__(self, db, fs, msg, auth)
1401         self.nsrTopic = NsrTopic(db, fs, msg, auth)
1402
1403     @staticmethod
1404     def _format_ns_request(ns_request):
1405         formated_request = copy(ns_request)
1406         # TODO: Add request params
1407         return formated_request
1408
1409     @staticmethod
1410     def _format_addional_params(slice_request):
1411         """
1412         Get and format user additional params for NS or VNF
1413         :param slice_request: User instantiation additional parameters
1414         :return: a formatted copy of additional params or None if not supplied
1415         """
1416         additional_params = copy(slice_request.get("additionalParamsForNsi"))
1417         if additional_params:
1418             for k, v in additional_params.items():
1419                 if not isinstance(k, str):
1420                     raise EngineException("Invalid param at additionalParamsForNsi:{}. Only string keys are allowed".
1421                                           format(k))
1422                 if "." in k or "$" in k:
1423                     raise EngineException("Invalid param at additionalParamsForNsi:{}. Keys must not contain dots or $".
1424                                           format(k))
1425                 if isinstance(v, (dict, tuple, list)):
1426                     additional_params[k] = "!!yaml " + safe_dump(v)
1427         return additional_params
1428
1429     def _check_descriptor_dependencies(self, session, descriptor):
1430         """
1431         Check that the dependent descriptors exist on a new descriptor or edition
1432         :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
1433         :param descriptor: descriptor to be inserted or edit
1434         :return: None or raises exception
1435         """
1436         if not descriptor.get("nst-ref"):
1437             return
1438         nstd_id = descriptor["nst-ref"]
1439         if not self.get_item_list(session, "nsts", {"id": nstd_id}):
1440             raise EngineException("Descriptor error at nst-ref='{}' references a non exist nstd".format(nstd_id),
1441                                   http_code=HTTPStatus.CONFLICT)
1442
1443     def check_conflict_on_del(self, session, _id, db_content):
1444         """
1445         Check that NSI is not instantiated
1446         :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
1447         :param _id: nsi internal id
1448         :param db_content: The database content of the _id
1449         :return: None or raises EngineException with the conflict
1450         """
1451         if session["force"]:
1452             return
1453         nsi = db_content
1454         if nsi["_admin"].get("nsiState") == "INSTANTIATED":
1455             raise EngineException("nsi '{}' cannot be deleted because it is in 'INSTANTIATED' state. "
1456                                   "Launch 'terminate' operation first; or force deletion".format(_id),
1457                                   http_code=HTTPStatus.CONFLICT)
1458
1459     def delete_extra(self, session, _id, db_content, not_send_msg=None):
1460         """
1461         Deletes associated nsilcmops from database. Deletes associated filesystem.
1462          Set usageState of nst
1463         :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
1464         :param _id: server internal id
1465         :param db_content: The database content of the descriptor
1466         :param not_send_msg: To not send message (False) or store content (list) instead
1467         :return: None if ok or raises EngineException with the problem
1468         """
1469
1470         # Deleting the nsrs belonging to nsir
1471         nsir = db_content
1472         for nsrs_detailed_item in nsir["_admin"]["nsrs-detailed-list"]:
1473             nsr_id = nsrs_detailed_item["nsrId"]
1474             if nsrs_detailed_item.get("shared"):
1475                 _filter = {"_admin.nsrs-detailed-list.ANYINDEX.shared": True,
1476                            "_admin.nsrs-detailed-list.ANYINDEX.nsrId": nsr_id,
1477                            "_id.ne": nsir["_id"]}
1478                 nsi = self.db.get_one("nsis", _filter, fail_on_empty=False, fail_on_more=False)
1479                 if nsi:  # last one using nsr
1480                     continue
1481             try:
1482                 self.nsrTopic.delete(session, nsr_id, dry_run=False, not_send_msg=not_send_msg)
1483             except (DbException, EngineException) as e:
1484                 if e.http_code == HTTPStatus.NOT_FOUND:
1485                     pass
1486                 else:
1487                     raise
1488
1489         # delete related nsilcmops database entries
1490         self.db.del_list("nsilcmops", {"netsliceInstanceId": _id})
1491
1492         # Check and set used NST usage state
1493         nsir_admin = nsir.get("_admin")
1494         if nsir_admin and nsir_admin.get("nst-id"):
1495             # check if used by another NSI
1496             nsis_list = self.db.get_one("nsis", {"nst-id": nsir_admin["nst-id"]},
1497                                         fail_on_empty=False, fail_on_more=False)
1498             if not nsis_list:
1499                 self.db.set_one("nsts", {"_id": nsir_admin["nst-id"]}, {"_admin.usageState": "NOT_IN_USE"})
1500
1501     def new(self, rollback, session, indata=None, kwargs=None, headers=None):
1502         """
1503         Creates a new netslice instance record into database. It also creates needed nsrs and vnfrs
1504         :param rollback: list to append the created items at database in case a rollback must be done
1505         :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
1506         :param indata: params to be used for the nsir
1507         :param kwargs: used to override the indata descriptor
1508         :param headers: http request headers
1509         :return: the _id of nsi descriptor created at database
1510         """
1511
1512         try:
1513             step = "checking quotas"
1514             self.check_quota(session)
1515
1516             step = ""
1517             slice_request = self._remove_envelop(indata)
1518             # Override descriptor with query string kwargs
1519             self._update_input_with_kwargs(slice_request, kwargs)
1520             slice_request = self._validate_input_new(slice_request, session["force"])
1521
1522             # look for nstd
1523             step = "getting nstd id='{}' from database".format(slice_request.get("nstId"))
1524             _filter = self._get_project_filter(session)
1525             _filter["_id"] = slice_request["nstId"]
1526             nstd = self.db.get_one("nsts", _filter)
1527             # check NST is not disabled
1528             step = "checking NST operationalState"
1529             if nstd["_admin"]["operationalState"] == "DISABLED":
1530                 raise EngineException("nst with id '{}' is DISABLED, and thus cannot be used to create a netslice "
1531                                       "instance".format(slice_request["nstId"]), http_code=HTTPStatus.CONFLICT)
1532             del _filter["_id"]
1533
1534             # check NSD is not disabled
1535             step = "checking operationalState"
1536             if nstd["_admin"]["operationalState"] == "DISABLED":
1537                 raise EngineException("nst with id '{}' is DISABLED, and thus cannot be used to create "
1538                                       "a network slice".format(slice_request["nstId"]), http_code=HTTPStatus.CONFLICT)
1539
1540             nstd.pop("_admin", None)
1541             nstd_id = nstd.pop("_id", None)
1542             nsi_id = str(uuid4())
1543             step = "filling nsi_descriptor with input data"
1544
1545             # Creating the NSIR
1546             nsi_descriptor = {
1547                 "id": nsi_id,
1548                 "name": slice_request["nsiName"],
1549                 "description": slice_request.get("nsiDescription", ""),
1550                 "datacenter": slice_request["vimAccountId"],
1551                 "nst-ref": nstd["id"],
1552                 "instantiation_parameters": slice_request,
1553                 "network-slice-template": nstd,
1554                 "nsr-ref-list": [],
1555                 "vlr-list": [],
1556                 "_id": nsi_id,
1557                 "additionalParamsForNsi": self._format_addional_params(slice_request)
1558             }
1559
1560             step = "creating nsi at database"
1561             self.format_on_new(nsi_descriptor, session["project_id"], make_public=session["public"])
1562             nsi_descriptor["_admin"]["nsiState"] = "NOT_INSTANTIATED"
1563             nsi_descriptor["_admin"]["netslice-subnet"] = None
1564             nsi_descriptor["_admin"]["deployed"] = {}
1565             nsi_descriptor["_admin"]["deployed"]["RO"] = []
1566             nsi_descriptor["_admin"]["nst-id"] = nstd_id
1567
1568             # Creating netslice-vld for the RO.
1569             step = "creating netslice-vld at database"
1570
1571             # Building the vlds list to be deployed
1572             # From netslice descriptors, creating the initial list
1573             nsi_vlds = []
1574
1575             for netslice_vlds in get_iterable(nstd.get("netslice-vld")):
1576                 # Getting template Instantiation parameters from NST
1577                 nsi_vld = deepcopy(netslice_vlds)
1578                 nsi_vld["shared-nsrs-list"] = []
1579                 nsi_vld["vimAccountId"] = slice_request["vimAccountId"]
1580                 nsi_vlds.append(nsi_vld)
1581
1582             nsi_descriptor["_admin"]["netslice-vld"] = nsi_vlds
1583             # Creating netslice-subnet_record.
1584             needed_nsds = {}
1585             services = []
1586
1587             # Updating the nstd with the nsd["_id"] associated to the nss -> services list
1588             for member_ns in nstd["netslice-subnet"]:
1589                 nsd_id = member_ns["nsd-ref"]
1590                 step = "getting nstd id='{}' constituent-nsd='{}' from database".format(
1591                     member_ns["nsd-ref"], member_ns["id"])
1592                 if nsd_id not in needed_nsds:
1593                     # Obtain nsd
1594                     _filter["id"] = nsd_id
1595                     nsd = self.db.get_one("nsds", _filter, fail_on_empty=True, fail_on_more=True)
1596                     del _filter["id"]
1597                     nsd.pop("_admin")
1598                     needed_nsds[nsd_id] = nsd
1599                 else:
1600                     nsd = needed_nsds[nsd_id]
1601                 member_ns["_id"] = needed_nsds[nsd_id].get("_id")
1602                 services.append(member_ns)
1603
1604                 step = "filling nsir nsd-id='{}' constituent-nsd='{}' from database".format(
1605                     member_ns["nsd-ref"], member_ns["id"])
1606
1607             # creates Network Services records (NSRs)
1608             step = "creating nsrs at database using NsrTopic.new()"
1609             ns_params = slice_request.get("netslice-subnet")
1610             nsrs_list = []
1611             nsi_netslice_subnet = []
1612             for service in services:
1613                 # Check if the netslice-subnet is shared and if it is share if the nss exists
1614                 _id_nsr = None
1615                 indata_ns = {}
1616                 # Is the nss shared and instantiated?
1617                 _filter["_admin.nsrs-detailed-list.ANYINDEX.shared"] = True
1618                 _filter["_admin.nsrs-detailed-list.ANYINDEX.nsd-id"] = service["nsd-ref"]
1619                 _filter["_admin.nsrs-detailed-list.ANYINDEX.nss-id"] = service["id"]
1620                 nsi = self.db.get_one("nsis", _filter, fail_on_empty=False, fail_on_more=False)
1621                 if nsi and service.get("is-shared-nss"):
1622                     nsrs_detailed_list = nsi["_admin"]["nsrs-detailed-list"]
1623                     for nsrs_detailed_item in nsrs_detailed_list:
1624                         if nsrs_detailed_item["nsd-id"] == service["nsd-ref"]:
1625                             if nsrs_detailed_item["nss-id"] == service["id"]:
1626                                 _id_nsr = nsrs_detailed_item["nsrId"]
1627                                 break
1628                     for netslice_subnet in nsi["_admin"]["netslice-subnet"]:
1629                         if netslice_subnet["nss-id"] == service["id"]:
1630                             indata_ns = netslice_subnet
1631                             break
1632                 else:
1633                     indata_ns = {}
1634                     if service.get("instantiation-parameters"):
1635                         indata_ns = deepcopy(service["instantiation-parameters"])
1636                         # del service["instantiation-parameters"]
1637
1638                     indata_ns["nsdId"] = service["_id"]
1639                     indata_ns["nsName"] = slice_request.get("nsiName") + "." + service["id"]
1640                     indata_ns["vimAccountId"] = slice_request.get("vimAccountId")
1641                     indata_ns["nsDescription"] = service["description"]
1642                     if slice_request.get("ssh_keys"):
1643                         indata_ns["ssh_keys"] = slice_request.get("ssh_keys")
1644
1645                     if ns_params:
1646                         for ns_param in ns_params:
1647                             if ns_param.get("id") == service["id"]:
1648                                 copy_ns_param = deepcopy(ns_param)
1649                                 del copy_ns_param["id"]
1650                                 indata_ns.update(copy_ns_param)
1651                                 break
1652
1653                     # Creates Nsr objects
1654                     _id_nsr, _ = self.nsrTopic.new(rollback, session, indata_ns, kwargs, headers)
1655                 nsrs_item = {"nsrId": _id_nsr, "shared": service.get("is-shared-nss"), "nsd-id": service["nsd-ref"],
1656                              "nss-id": service["id"], "nslcmop_instantiate": None}
1657                 indata_ns["nss-id"] = service["id"]
1658                 nsrs_list.append(nsrs_item)
1659                 nsi_netslice_subnet.append(indata_ns)
1660                 nsr_ref = {"nsr-ref": _id_nsr}
1661                 nsi_descriptor["nsr-ref-list"].append(nsr_ref)
1662
1663             # Adding the nsrs list to the nsi
1664             nsi_descriptor["_admin"]["nsrs-detailed-list"] = nsrs_list
1665             nsi_descriptor["_admin"]["netslice-subnet"] = nsi_netslice_subnet
1666             self.db.set_one("nsts", {"_id": slice_request["nstId"]}, {"_admin.usageState": "IN_USE"})
1667
1668             # Creating the entry in the database
1669             self.db.create("nsis", nsi_descriptor)
1670             rollback.append({"topic": "nsis", "_id": nsi_id})
1671             return nsi_id, None
1672         except Exception as e:   # TODO remove try Except, it is captured at nbi.py
1673             self.logger.exception("Exception {} at NsiTopic.new()".format(e), exc_info=True)
1674             raise EngineException("Error {}: {}".format(step, e))
1675         except ValidationError as e:
1676             raise EngineException(e, HTTPStatus.UNPROCESSABLE_ENTITY)
1677
1678     def edit(self, session, _id, indata=None, kwargs=None, content=None):
1679         raise EngineException("Method edit called directly", HTTPStatus.INTERNAL_SERVER_ERROR)
1680
1681
1682 class NsiLcmOpTopic(BaseTopic):
1683     topic = "nsilcmops"
1684     topic_msg = "nsi"
1685     operation_schema = {  # mapping between operation and jsonschema to validate
1686         "instantiate": nsi_instantiate,
1687         "terminate": None
1688     }
1689
1690     def __init__(self, db, fs, msg, auth):
1691         BaseTopic.__init__(self, db, fs, msg, auth)
1692         self.nsi_NsLcmOpTopic = NsLcmOpTopic(self.db, self.fs, self.msg, self.auth)
1693
1694     def _check_nsi_operation(self, session, nsir, operation, indata):
1695         """
1696         Check that user has enter right parameters for the operation
1697         :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
1698         :param operation: it can be: instantiate, terminate, action, TODO: update, heal
1699         :param indata: descriptor with the parameters of the operation
1700         :return: None
1701         """
1702         nsds = {}
1703         nstd = nsir["network-slice-template"]
1704
1705         def check_valid_netslice_subnet_id(nstId):
1706             # TODO change to vnfR (??)
1707             for netslice_subnet in nstd["netslice-subnet"]:
1708                 if nstId == netslice_subnet["id"]:
1709                     nsd_id = netslice_subnet["nsd-ref"]
1710                     if nsd_id not in nsds:
1711                         _filter = self._get_project_filter(session)
1712                         _filter["id"] = nsd_id
1713                         nsds[nsd_id] = self.db.get_one("nsds", _filter)
1714                     return nsds[nsd_id]
1715             else:
1716                 raise EngineException("Invalid parameter nstId='{}' is not one of the "
1717                                       "nst:netslice-subnet".format(nstId))
1718         if operation == "instantiate":
1719             # check the existance of netslice-subnet items
1720             for in_nst in get_iterable(indata.get("netslice-subnet")):
1721                 check_valid_netslice_subnet_id(in_nst["id"])
1722
1723     def _create_nsilcmop(self, session, netsliceInstanceId, operation, params):
1724         now = time()
1725         _id = str(uuid4())
1726         nsilcmop = {
1727             "id": _id,
1728             "_id": _id,
1729             "operationState": "PROCESSING",  # COMPLETED,PARTIALLY_COMPLETED,FAILED_TEMP,FAILED,ROLLING_BACK,ROLLED_BACK
1730             "statusEnteredTime": now,
1731             "netsliceInstanceId": netsliceInstanceId,
1732             "lcmOperationType": operation,
1733             "startTime": now,
1734             "isAutomaticInvocation": False,
1735             "operationParams": params,
1736             "isCancelPending": False,
1737             "links": {
1738                 "self": "/osm/nsilcm/v1/nsi_lcm_op_occs/" + _id,
1739                 "netsliceInstanceId": "/osm/nsilcm/v1/netslice_instances/" + netsliceInstanceId,
1740             }
1741         }
1742         return nsilcmop
1743
1744     def add_shared_nsr_2vld(self, nsir, nsr_item):
1745         for nst_sb_item in nsir["network-slice-template"].get("netslice-subnet"):
1746             if nst_sb_item.get("is-shared-nss"):
1747                 for admin_subnet_item in nsir["_admin"].get("netslice-subnet"):
1748                     if admin_subnet_item["nss-id"] == nst_sb_item["id"]:
1749                         for admin_vld_item in nsir["_admin"].get("netslice-vld"):
1750                             for admin_vld_nss_cp_ref_item in admin_vld_item["nss-connection-point-ref"]:
1751                                 if admin_subnet_item["nss-id"] == admin_vld_nss_cp_ref_item["nss-ref"]:
1752                                     if not nsr_item["nsrId"] in admin_vld_item["shared-nsrs-list"]:
1753                                         admin_vld_item["shared-nsrs-list"].append(nsr_item["nsrId"])
1754                                     break
1755         # self.db.set_one("nsis", {"_id": nsir["_id"]}, nsir)
1756         self.db.set_one("nsis", {"_id": nsir["_id"]}, {"_admin.netslice-vld": nsir["_admin"].get("netslice-vld")})
1757
1758     def new(self, rollback, session, indata=None, kwargs=None, headers=None):
1759         """
1760         Performs a new operation over a ns
1761         :param rollback: list to append created items at database in case a rollback must to be done
1762         :param session: contains "username", "admin", "force", "public", "project_id", "set_project"
1763         :param indata: descriptor with the parameters of the operation. It must contains among others
1764             netsliceInstanceId: _id of the nsir to perform the operation
1765             operation: it can be: instantiate, terminate, action, TODO: update, heal
1766         :param kwargs: used to override the indata descriptor
1767         :param headers: http request headers
1768         :return: id of the nslcmops
1769         """
1770         try:
1771             # Override descriptor with query string kwargs
1772             self._update_input_with_kwargs(indata, kwargs)
1773             operation = indata["lcmOperationType"]
1774             netsliceInstanceId = indata["netsliceInstanceId"]
1775             validate_input(indata, self.operation_schema[operation])
1776
1777             # get nsi from netsliceInstanceId
1778             _filter = self._get_project_filter(session)
1779             _filter["_id"] = netsliceInstanceId
1780             nsir = self.db.get_one("nsis", _filter)
1781             logging_prefix = "nsi={} {} ".format(netsliceInstanceId, operation)
1782             del _filter["_id"]
1783
1784             # initial checking
1785             if not nsir["_admin"].get("nsiState") or nsir["_admin"]["nsiState"] == "NOT_INSTANTIATED":
1786                 if operation == "terminate" and indata.get("autoremove"):
1787                     # NSIR must be deleted
1788                     return None, None    # a none in this case is used to indicate not instantiated. It can be removed
1789                 if operation != "instantiate":
1790                     raise EngineException("netslice_instance '{}' cannot be '{}' because it is not instantiated".format(
1791                         netsliceInstanceId, operation), HTTPStatus.CONFLICT)
1792             else:
1793                 if operation == "instantiate" and not session["force"]:
1794                     raise EngineException("netslice_instance '{}' cannot be '{}' because it is already instantiated".
1795                                           format(netsliceInstanceId, operation), HTTPStatus.CONFLICT)
1796
1797             # Creating all the NS_operation (nslcmop)
1798             # Get service list from db
1799             nsrs_list = nsir["_admin"]["nsrs-detailed-list"]
1800             nslcmops = []
1801             # nslcmops_item = None
1802             for index, nsr_item in enumerate(nsrs_list):
1803                 nsr_id = nsr_item["nsrId"]
1804                 if nsr_item.get("shared"):
1805                     _filter["_admin.nsrs-detailed-list.ANYINDEX.shared"] = True
1806                     _filter["_admin.nsrs-detailed-list.ANYINDEX.nsrId"] = nsr_id
1807                     _filter["_admin.nsrs-detailed-list.ANYINDEX.nslcmop_instantiate.ne"] = None
1808                     _filter["_id.ne"] = netsliceInstanceId
1809                     nsi = self.db.get_one("nsis", _filter, fail_on_empty=False, fail_on_more=False)
1810                     if operation == "terminate":
1811                         _update = {"_admin.nsrs-detailed-list.{}.nslcmop_instantiate".format(index): None}
1812                         self.db.set_one("nsis", {"_id": nsir["_id"]}, _update)
1813                         if nsi:  # other nsi is using this nsr and it needs this nsr instantiated
1814                             continue  # do not create nsilcmop
1815                     else:  # instantiate
1816                         # looks the first nsi fulfilling the conditions but not being the current NSIR
1817                         if nsi:
1818                             nsi_nsr_item = next(n for n in nsi["_admin"]["nsrs-detailed-list"] if
1819                                                 n["nsrId"] == nsr_id and n["shared"] and
1820                                                 n["nslcmop_instantiate"])
1821                             self.add_shared_nsr_2vld(nsir, nsr_item)
1822                             nslcmops.append(nsi_nsr_item["nslcmop_instantiate"])
1823                             _update = {"_admin.nsrs-detailed-list.{}".format(index): nsi_nsr_item}
1824                             self.db.set_one("nsis", {"_id": nsir["_id"]}, _update)
1825                             # continue to not create nslcmop since nsrs is shared and nsrs was created
1826                             continue
1827                         else:
1828                             self.add_shared_nsr_2vld(nsir, nsr_item)
1829
1830                 # create operation
1831                 try:
1832                     indata_ns = {
1833                         "lcmOperationType": operation,
1834                         "nsInstanceId": nsr_id,
1835                         # Including netslice_id in the ns instantiate Operation
1836                         "netsliceInstanceId": netsliceInstanceId,
1837                     }
1838                     if operation == "instantiate":
1839                         service = self.db.get_one("nsrs", {"_id": nsr_id})
1840                         indata_ns.update(service["instantiate_params"])
1841
1842                     # Creating NS_LCM_OP with the flag slice_object=True to not trigger the service instantiation
1843                     # message via kafka bus
1844                     nslcmop, _ = self.nsi_NsLcmOpTopic.new(rollback, session, indata_ns, None, headers,
1845                                                            slice_object=True)
1846                     nslcmops.append(nslcmop)
1847                     if operation == "instantiate":
1848                         _update = {"_admin.nsrs-detailed-list.{}.nslcmop_instantiate".format(index): nslcmop}
1849                         self.db.set_one("nsis", {"_id": nsir["_id"]}, _update)
1850                 except (DbException, EngineException) as e:
1851                     if e.http_code == HTTPStatus.NOT_FOUND:
1852                         self.logger.info(logging_prefix + "skipping NS={} because not found".format(nsr_id))
1853                         pass
1854                     else:
1855                         raise
1856
1857             # Creates nsilcmop
1858             indata["nslcmops_ids"] = nslcmops
1859             self._check_nsi_operation(session, nsir, operation, indata)
1860
1861             nsilcmop_desc = self._create_nsilcmop(session, netsliceInstanceId, operation, indata)
1862             self.format_on_new(nsilcmop_desc, session["project_id"], make_public=session["public"])
1863             _id = self.db.create("nsilcmops", nsilcmop_desc)
1864             rollback.append({"topic": "nsilcmops", "_id": _id})
1865             self.msg.write("nsi", operation, nsilcmop_desc)
1866             return _id, None
1867         except ValidationError as e:
1868             raise EngineException(e, HTTPStatus.UNPROCESSABLE_ENTITY)
1869
1870     def delete(self, session, _id, dry_run=False, not_send_msg=None):
1871         raise EngineException("Method delete called directly", HTTPStatus.INTERNAL_SERVER_ERROR)
1872
1873     def edit(self, session, _id, indata=None, kwargs=None, content=None):
1874         raise EngineException("Method edit called directly", HTTPStatus.INTERNAL_SERVER_ERROR)