osm_lcm/ns.py

   1 # -*- coding: utf-8 -*-
   2
   3 ##
   4 # Copyright 2018 Telefonica S.A.
   5 #
   6 # Licensed under the Apache License, Version 2.0 (the "License"); you may
   7 # not use this file except in compliance with the License. You may obtain
   8 # a copy of the License at
   9 #
  10 #         http://www.apache.org/licenses/LICENSE-2.0
  11 #
  12 # Unless required by applicable law or agreed to in writing, software
  13 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  14 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  15 # License for the specific language governing permissions and limitations
  16 # under the License.
  17 ##
  18
  19 import asyncio
  20 import yaml
  21 import logging
  22 import logging.handlers
  23 import traceback
  24 import json
  25 from jinja2 import Environment, TemplateError, TemplateNotFound, StrictUndefined, UndefinedError
  26
  27 from osm_lcm import ROclient
  28 from osm_lcm.ng_ro import NgRoClient, NgRoException
  29 from osm_lcm.lcm_utils import LcmException, LcmExceptionNoMgmtIP, LcmBase, deep_get, get_iterable, populate_dict
  30 from osm_lcm.data_utils.nsd import get_vnf_profiles
  31 from osm_lcm.data_utils.vnfd import get_vdu_list, get_vdu_profile, \
  32     get_ee_sorted_initial_config_primitive_list, get_ee_sorted_terminate_config_primitive_list, \
  33     get_kdu_list, get_virtual_link_profiles, get_vdu, get_configuration, \
  34     get_vdu_index, get_scaling_aspect, get_number_of_instances, get_juju_ee_ref
  35 from osm_lcm.data_utils.list_utils import find_in_list
  36 from osm_lcm.data_utils.vnfr import get_osm_params, get_vdur_index
  37 from osm_lcm.data_utils.dict_utils import parse_yaml_strings
  38 from osm_lcm.data_utils.database.vim_account import VimAccountDB
  39 from n2vc.k8s_helm_conn import K8sHelmConnector
  40 from n2vc.k8s_helm3_conn import K8sHelm3Connector
  41 from n2vc.k8s_juju_conn import K8sJujuConnector
  42
  43 from osm_common.dbbase import DbException
  44 from osm_common.fsbase import FsException
  45
  46 from osm_lcm.data_utils.database.database import Database
  47 from osm_lcm.data_utils.filesystem.filesystem import Filesystem
  48
  49 from n2vc.n2vc_juju_conn import N2VCJujuConnector
  50 from n2vc.exceptions import N2VCException, N2VCNotFound, K8sException
  51
  52 from osm_lcm.lcm_helm_conn import LCMHelmConn
  53
  54 from copy import copy, deepcopy
  55 from time import time
  56 from uuid import uuid4
  57
  58 from random import randint
  59
  60 __author__ = "Alfonso Tierno <alfonso.tiernosepulveda@telefonica.com>"
  61
  62
  63 class NsLcm(LcmBase):
  64     timeout_vca_on_error = 5 * 60   # Time for charm from first time at blocked,error status to mark as failed
  65     timeout_ns_deploy = 2 * 3600   # default global timeout for deployment a ns
  66     timeout_ns_terminate = 1800   # default global timeout for un deployment a ns
  67     timeout_charm_delete = 10 * 60
  68     timeout_primitive = 30 * 60  # timeout for primitive execution
  69     timeout_progress_primitive = 10 * 60  # timeout for some progress in a primitive execution
  70
  71     SUBOPERATION_STATUS_NOT_FOUND = -1
  72     SUBOPERATION_STATUS_NEW = -2
  73     SUBOPERATION_STATUS_SKIP = -3
  74     task_name_deploy_vca = "Deploying VCA"
  75
  76     def __init__(self, msg, lcm_tasks, config, loop, prometheus=None):
  77         """
  78         Init, Connect to database, filesystem storage, and messaging
  79         :param config: two level dictionary with configuration. Top level should contain 'database', 'storage',
  80         :return: None
  81         """
  82         super().__init__(
  83             msg=msg,
  84             logger=logging.getLogger('lcm.ns')
  85         )
  86
  87         self.db = Database().instance.db
  88         self.fs = Filesystem().instance.fs
  89         self.loop = loop
  90         self.lcm_tasks = lcm_tasks
  91         self.timeout = config["timeout"]
  92         self.ro_config = config["ro_config"]
  93         self.ng_ro = config["ro_config"].get("ng")
  94         self.vca_config = config["VCA"].copy()
  95
  96         # create N2VC connector
  97         self.n2vc = N2VCJujuConnector(
  98             log=self.logger,
  99             loop=self.loop,
 100             on_update_db=self._on_update_n2vc_db,
 101             fs=self.fs,
 102             db=self.db
 103         )
 104
 105         self.conn_helm_ee = LCMHelmConn(
 106             log=self.logger,
 107             loop=self.loop,
 108             vca_config=self.vca_config,
 109             on_update_db=self._on_update_n2vc_db
 110         )
 111
 112         self.k8sclusterhelm2 = K8sHelmConnector(
 113             kubectl_command=self.vca_config.get("kubectlpath"),
 114             helm_command=self.vca_config.get("helmpath"),
 115             log=self.logger,
 116             on_update_db=None,
 117             fs=self.fs,
 118             db=self.db
 119         )
 120
 121         self.k8sclusterhelm3 = K8sHelm3Connector(
 122             kubectl_command=self.vca_config.get("kubectlpath"),
 123             helm_command=self.vca_config.get("helm3path"),
 124             fs=self.fs,
 125             log=self.logger,
 126             db=self.db,
 127             on_update_db=None,
 128         )
 129
 130         self.k8sclusterjuju = K8sJujuConnector(
 131             kubectl_command=self.vca_config.get("kubectlpath"),
 132             juju_command=self.vca_config.get("jujupath"),
 133             log=self.logger,
 134             loop=self.loop,
 135             on_update_db=self._on_update_k8s_db,
 136             fs=self.fs,
 137             db=self.db
 138         )
 139
 140         self.k8scluster_map = {
 141             "helm-chart": self.k8sclusterhelm2,
 142             "helm-chart-v3": self.k8sclusterhelm3,
 143             "chart": self.k8sclusterhelm3,
 144             "juju-bundle": self.k8sclusterjuju,
 145             "juju": self.k8sclusterjuju,
 146         }
 147
 148         self.vca_map = {
 149             "lxc_proxy_charm": self.n2vc,
 150             "native_charm": self.n2vc,
 151             "k8s_proxy_charm": self.n2vc,
 152             "helm": self.conn_helm_ee,
 153             "helm-v3": self.conn_helm_ee
 154         }
 155
 156         self.prometheus = prometheus
 157
 158         # create RO client
 159         self.RO = NgRoClient(self.loop, **self.ro_config)
 160
 161     @staticmethod
 162     def increment_ip_mac(ip_mac, vm_index=1):
 163         if not isinstance(ip_mac, str):
 164             return ip_mac
 165         try:
 166             # try with ipv4 look for last dot
 167             i = ip_mac.rfind(".")
 168             if i > 0:
 169                 i += 1
 170                 return "{}{}".format(ip_mac[:i], int(ip_mac[i:]) + vm_index)
 171             # try with ipv6 or mac look for last colon. Operate in hex
 172             i = ip_mac.rfind(":")
 173             if i > 0:
 174                 i += 1
 175                 # format in hex, len can be 2 for mac or 4 for ipv6
 176                 return ("{}{:0" + str(len(ip_mac) - i) + "x}").format(ip_mac[:i], int(ip_mac[i:], 16) + vm_index)
 177         except Exception:
 178             pass
 179         return None
 180
 181     def _on_update_ro_db(self, nsrs_id, ro_descriptor):
 182
 183         # self.logger.debug('_on_update_ro_db(nsrs_id={}'.format(nsrs_id))
 184
 185         try:
 186             # TODO filter RO descriptor fields...
 187
 188             # write to database
 189             db_dict = dict()
 190             # db_dict['deploymentStatus'] = yaml.dump(ro_descriptor, default_flow_style=False, indent=2)
 191             db_dict['deploymentStatus'] = ro_descriptor
 192             self.update_db_2("nsrs", nsrs_id, db_dict)
 193
 194         except Exception as e:
 195             self.logger.warn('Cannot write database RO deployment for ns={} -> {}'.format(nsrs_id, e))
 196
 197     async def _on_update_n2vc_db(self, table, filter, path, updated_data, vca_id=None):
 198
 199         # remove last dot from path (if exists)
 200         if path.endswith('.'):
 201             path = path[:-1]
 202
 203         # self.logger.debug('_on_update_n2vc_db(table={}, filter={}, path={}, updated_data={}'
 204         #                   .format(table, filter, path, updated_data))
 205         try:
 206
 207             nsr_id = filter.get('_id')
 208
 209             # read ns record from database
 210             nsr = self.db.get_one(table='nsrs', q_filter=filter)
 211             current_ns_status = nsr.get('nsState')
 212
 213             # get vca status for NS
 214             status_dict = await self.n2vc.get_status(namespace='.' + nsr_id, yaml_format=False, vca_id=vca_id)
 215
 216             # vcaStatus
 217             db_dict = dict()
 218             db_dict['vcaStatus'] = status_dict
 219             await self.n2vc.update_vca_status(db_dict['vcaStatus'], vca_id=vca_id)
 220
 221             # update configurationStatus for this VCA
 222             try:
 223                 vca_index = int(path[path.rfind(".")+1:])
 224
 225                 vca_list = deep_get(target_dict=nsr, key_list=('_admin', 'deployed', 'VCA'))
 226                 vca_status = vca_list[vca_index].get('status')
 227
 228                 configuration_status_list = nsr.get('configurationStatus')
 229                 config_status = configuration_status_list[vca_index].get('status')
 230
 231                 if config_status == 'BROKEN' and vca_status != 'failed':
 232                     db_dict['configurationStatus'][vca_index] = 'READY'
 233                 elif config_status != 'BROKEN' and vca_status == 'failed':
 234                     db_dict['configurationStatus'][vca_index] = 'BROKEN'
 235             except Exception as e:
 236                 # not update configurationStatus
 237                 self.logger.debug('Error updating vca_index (ignore): {}'.format(e))
 238
 239             # if nsState = 'READY' check if juju is reporting some error => nsState = 'DEGRADED'
 240             # if nsState = 'DEGRADED' check if all is OK
 241             is_degraded = False
 242             if current_ns_status in ('READY', 'DEGRADED'):
 243                 error_description = ''
 244                 # check machines
 245                 if status_dict.get('machines'):
 246                     for machine_id in status_dict.get('machines'):
 247                         machine = status_dict.get('machines').get(machine_id)
 248                         # check machine agent-status
 249                         if machine.get('agent-status'):
 250                             s = machine.get('agent-status').get('status')
 251                             if s != 'started':
 252                                 is_degraded = True
 253                                 error_description += 'machine {} agent-status={} ; '.format(machine_id, s)
 254                         # check machine instance status
 255                         if machine.get('instance-status'):
 256                             s = machine.get('instance-status').get('status')
 257                             if s != 'running':
 258                                 is_degraded = True
 259                                 error_description += 'machine {} instance-status={} ; '.format(machine_id, s)
 260                 # check applications
 261                 if status_dict.get('applications'):
 262                     for app_id in status_dict.get('applications'):
 263                         app = status_dict.get('applications').get(app_id)
 264                         # check application status
 265                         if app.get('status'):
 266                             s = app.get('status').get('status')
 267                             if s != 'active':
 268                                 is_degraded = True
 269                                 error_description += 'application {} status={} ; '.format(app_id, s)
 270
 271                 if error_description:
 272                     db_dict['errorDescription'] = error_description
 273                 if current_ns_status == 'READY' and is_degraded:
 274                     db_dict['nsState'] = 'DEGRADED'
 275                 if current_ns_status == 'DEGRADED' and not is_degraded:
 276                     db_dict['nsState'] = 'READY'
 277
 278             # write to database
 279             self.update_db_2("nsrs", nsr_id, db_dict)
 280
 281         except (asyncio.CancelledError, asyncio.TimeoutError):
 282             raise
 283         except Exception as e:
 284             self.logger.warn('Error updating NS state for ns={}: {}'.format(nsr_id, e))
 285
 286     async def _on_update_k8s_db(self, cluster_uuid, kdu_instance, filter=None, vca_id=None):
 287         """
 288         Updating vca status in NSR record
 289         :param cluster_uuid: UUID of a k8s cluster
 290         :param kdu_instance: The unique name of the KDU instance
 291         :param filter: To get nsr_id
 292         :return: none
 293         """
 294
 295         # self.logger.debug("_on_update_k8s_db(cluster_uuid={}, kdu_instance={}, filter={}"
 296         #                   .format(cluster_uuid, kdu_instance, filter))
 297
 298         try:
 299             nsr_id = filter.get('_id')
 300
 301             # get vca status for NS
 302             vca_status = await self.k8sclusterjuju.status_kdu(
 303                 cluster_uuid,
 304                 kdu_instance,
 305                 complete_status=True,
 306                 yaml_format=False,
 307                 vca_id=vca_id,
 308             )
 309             # vcaStatus
 310             db_dict = dict()
 311             db_dict['vcaStatus'] = {nsr_id: vca_status}
 312
 313             await self.k8sclusterjuju.update_vca_status(
 314                 db_dict['vcaStatus'],
 315                 kdu_instance,
 316                 vca_id=vca_id,
 317             )
 318
 319             # write to database
 320             self.update_db_2("nsrs", nsr_id, db_dict)
 321
 322         except (asyncio.CancelledError, asyncio.TimeoutError):
 323             raise
 324         except Exception as e:
 325             self.logger.warn('Error updating NS state for ns={}: {}'.format(nsr_id, e))
 326
 327     @staticmethod
 328     def _parse_cloud_init(cloud_init_text, additional_params, vnfd_id, vdu_id):
 329         try:
 330             env = Environment(undefined=StrictUndefined)
 331             template = env.from_string(cloud_init_text)
 332             return template.render(additional_params or {})
 333         except UndefinedError as e:
 334             raise LcmException("Variable {} at vnfd[id={}]:vdu[id={}]:cloud-init/cloud-init-"
 335                                "file, must be provided in the instantiation parameters inside the "
 336                                "'additionalParamsForVnf/Vdu' block".format(e, vnfd_id, vdu_id))
 337         except (TemplateError, TemplateNotFound) as e:
 338             raise LcmException("Error parsing Jinja2 to cloud-init content at vnfd[id={}]:vdu[id={}]: {}".
 339                                format(vnfd_id, vdu_id, e))
 340
 341     def _get_vdu_cloud_init_content(self, vdu, vnfd):
 342         cloud_init_content = cloud_init_file = None
 343         try:
 344             if vdu.get("cloud-init-file"):
 345                 base_folder = vnfd["_admin"]["storage"]
 346                 cloud_init_file = "{}/{}/cloud_init/{}".format(base_folder["folder"], base_folder["pkg-dir"],
 347                                                                vdu["cloud-init-file"])
 348                 with self.fs.file_open(cloud_init_file, "r") as ci_file:
 349                     cloud_init_content = ci_file.read()
 350             elif vdu.get("cloud-init"):
 351                 cloud_init_content = vdu["cloud-init"]
 352
 353             return cloud_init_content
 354         except FsException as e:
 355             raise LcmException("Error reading vnfd[id={}]:vdu[id={}]:cloud-init-file={}: {}".
 356                                format(vnfd["id"], vdu["id"], cloud_init_file, e))
 357
 358     def _get_vdu_additional_params(self, db_vnfr, vdu_id):
 359         vdur = next(vdur for vdur in db_vnfr.get("vdur") if vdu_id == vdur["vdu-id-ref"])
 360         additional_params = vdur.get("additionalParams")
 361         return parse_yaml_strings(additional_params)
 362
 363     def vnfd2RO(self, vnfd, new_id=None, additionalParams=None, nsrId=None):
 364         """
 365         Converts creates a new vnfd descriptor for RO base on input OSM IM vnfd
 366         :param vnfd: input vnfd
 367         :param new_id: overrides vnf id if provided
 368         :param additionalParams: Instantiation params for VNFs provided
 369         :param nsrId: Id of the NSR
 370         :return: copy of vnfd
 371         """
 372         vnfd_RO = deepcopy(vnfd)
 373         # remove unused by RO configuration, monitoring, scaling and internal keys
 374         vnfd_RO.pop("_id", None)
 375         vnfd_RO.pop("_admin", None)
 376         vnfd_RO.pop("monitoring-param", None)
 377         vnfd_RO.pop("scaling-group-descriptor", None)
 378         vnfd_RO.pop("kdu", None)
 379         vnfd_RO.pop("k8s-cluster", None)
 380         if new_id:
 381             vnfd_RO["id"] = new_id
 382
 383         # parse cloud-init or cloud-init-file with the provided variables using Jinja2
 384         for vdu in get_iterable(vnfd_RO, "vdu"):
 385             vdu.pop("cloud-init-file", None)
 386             vdu.pop("cloud-init", None)
 387         return vnfd_RO
 388
 389     @staticmethod
 390     def ip_profile_2_RO(ip_profile):
 391         RO_ip_profile = deepcopy(ip_profile)
 392         if "dns-server" in RO_ip_profile:
 393             if isinstance(RO_ip_profile["dns-server"], list):
 394                 RO_ip_profile["dns-address"] = []
 395                 for ds in RO_ip_profile.pop("dns-server"):
 396                     RO_ip_profile["dns-address"].append(ds['address'])
 397             else:
 398                 RO_ip_profile["dns-address"] = RO_ip_profile.pop("dns-server")
 399         if RO_ip_profile.get("ip-version") == "ipv4":
 400             RO_ip_profile["ip-version"] = "IPv4"
 401         if RO_ip_profile.get("ip-version") == "ipv6":
 402             RO_ip_profile["ip-version"] = "IPv6"
 403         if "dhcp-params" in RO_ip_profile:
 404             RO_ip_profile["dhcp"] = RO_ip_profile.pop("dhcp-params")
 405         return RO_ip_profile
 406
 407     def _get_ro_vim_id_for_vim_account(self, vim_account):
 408         db_vim = self.db.get_one("vim_accounts", {"_id": vim_account})
 409         if db_vim["_admin"]["operationalState"] != "ENABLED":
 410             raise LcmException("VIM={} is not available. operationalState={}".format(
 411                 vim_account, db_vim["_admin"]["operationalState"]))
 412         RO_vim_id = db_vim["_admin"]["deployed"]["RO"]
 413         return RO_vim_id
 414
 415     def get_ro_wim_id_for_wim_account(self, wim_account):
 416         if isinstance(wim_account, str):
 417             db_wim = self.db.get_one("wim_accounts", {"_id": wim_account})
 418             if db_wim["_admin"]["operationalState"] != "ENABLED":
 419                 raise LcmException("WIM={} is not available. operationalState={}".format(
 420                     wim_account, db_wim["_admin"]["operationalState"]))
 421             RO_wim_id = db_wim["_admin"]["deployed"]["RO-account"]
 422             return RO_wim_id
 423         else:
 424             return wim_account
 425
 426     def scale_vnfr(self, db_vnfr, vdu_create=None, vdu_delete=None, mark_delete=False):
 427
 428         db_vdu_push_list = []
 429         db_update = {"_admin.modified": time()}
 430         if vdu_create:
 431             for vdu_id, vdu_count in vdu_create.items():
 432                 vdur = next((vdur for vdur in reversed(db_vnfr["vdur"]) if vdur["vdu-id-ref"] == vdu_id), None)
 433                 if not vdur:
 434                     raise LcmException("Error scaling OUT VNFR for {}. There is not any existing vnfr. Scaled to 0?".
 435                                        format(vdu_id))
 436
 437                 for count in range(vdu_count):
 438                     vdur_copy = deepcopy(vdur)
 439                     vdur_copy["status"] = "BUILD"
 440                     vdur_copy["status-detailed"] = None
 441                     vdur_copy["ip-address"]: None
 442                     vdur_copy["_id"] = str(uuid4())
 443                     vdur_copy["count-index"] += count + 1
 444                     vdur_copy["id"] = "{}-{}".format(vdur_copy["vdu-id-ref"], vdur_copy["count-index"])
 445                     vdur_copy.pop("vim_info", None)
 446                     for iface in vdur_copy["interfaces"]:
 447                         if iface.get("fixed-ip"):
 448                             iface["ip-address"] = self.increment_ip_mac(iface["ip-address"], count+1)
 449                         else:
 450                             iface.pop("ip-address", None)
 451                         if iface.get("fixed-mac"):
 452                             iface["mac-address"] = self.increment_ip_mac(iface["mac-address"], count+1)
 453                         else:
 454                             iface.pop("mac-address", None)
 455                         iface.pop("mgmt_vnf", None)  # only first vdu can be managment of vnf
 456                     db_vdu_push_list.append(vdur_copy)
 457                     # self.logger.debug("scale out, adding vdu={}".format(vdur_copy))
 458         if vdu_delete:
 459             for vdu_id, vdu_count in vdu_delete.items():
 460                 if mark_delete:
 461                     indexes_to_delete = [iv[0] for iv in enumerate(db_vnfr["vdur"]) if iv[1]["vdu-id-ref"] == vdu_id]
 462                     db_update.update({"vdur.{}.status".format(i): "DELETING" for i in indexes_to_delete[-vdu_count:]})
 463                 else:
 464                     # it must be deleted one by one because common.db does not allow otherwise
 465                     vdus_to_delete = [v for v in reversed(db_vnfr["vdur"]) if v["vdu-id-ref"] == vdu_id]
 466                     for vdu in vdus_to_delete[:vdu_count]:
 467                         self.db.set_one("vnfrs", {"_id": db_vnfr["_id"]}, None, pull={"vdur": {"_id": vdu["_id"]}})
 468         db_push = {"vdur": db_vdu_push_list} if db_vdu_push_list else None
 469         self.db.set_one("vnfrs", {"_id": db_vnfr["_id"]}, db_update, push_list=db_push)
 470         # modify passed dictionary db_vnfr
 471         db_vnfr_ = self.db.get_one("vnfrs", {"_id": db_vnfr["_id"]})
 472         db_vnfr["vdur"] = db_vnfr_["vdur"]
 473
 474     def ns_update_nsr(self, ns_update_nsr, db_nsr, nsr_desc_RO):
 475         """
 476         Updates database nsr with the RO info for the created vld
 477         :param ns_update_nsr: dictionary to be filled with the updated info
 478         :param db_nsr: content of db_nsr. This is also modified
 479         :param nsr_desc_RO: nsr descriptor from RO
 480         :return: Nothing, LcmException is raised on errors
 481         """
 482
 483         for vld_index, vld in enumerate(get_iterable(db_nsr, "vld")):
 484             for net_RO in get_iterable(nsr_desc_RO, "nets"):
 485                 if vld["id"] != net_RO.get("ns_net_osm_id"):
 486                     continue
 487                 vld["vim-id"] = net_RO.get("vim_net_id")
 488                 vld["name"] = net_RO.get("vim_name")
 489                 vld["status"] = net_RO.get("status")
 490                 vld["status-detailed"] = net_RO.get("error_msg")
 491                 ns_update_nsr["vld.{}".format(vld_index)] = vld
 492                 break
 493             else:
 494                 raise LcmException("ns_update_nsr: Not found vld={} at RO info".format(vld["id"]))
 495
 496     def set_vnfr_at_error(self, db_vnfrs, error_text):
 497         try:
 498             for db_vnfr in db_vnfrs.values():
 499                 vnfr_update = {"status": "ERROR"}
 500                 for vdu_index, vdur in enumerate(get_iterable(db_vnfr, "vdur")):
 501                     if "status" not in vdur:
 502                         vdur["status"] = "ERROR"
 503                         vnfr_update["vdur.{}.status".format(vdu_index)] = "ERROR"
 504                         if error_text:
 505                             vdur["status-detailed"] = str(error_text)
 506                             vnfr_update["vdur.{}.status-detailed".format(vdu_index)] = "ERROR"
 507                 self.update_db_2("vnfrs", db_vnfr["_id"], vnfr_update)
 508         except DbException as e:
 509             self.logger.error("Cannot update vnf. {}".format(e))
 510
 511     def ns_update_vnfr(self, db_vnfrs, nsr_desc_RO):
 512         """
 513         Updates database vnfr with the RO info, e.g. ip_address, vim_id... Descriptor db_vnfrs is also updated
 514         :param db_vnfrs: dictionary with member-vnf-index: vnfr-content
 515         :param nsr_desc_RO: nsr descriptor from RO
 516         :return: Nothing, LcmException is raised on errors
 517         """
 518         for vnf_index, db_vnfr in db_vnfrs.items():
 519             for vnf_RO in nsr_desc_RO["vnfs"]:
 520                 if vnf_RO["member_vnf_index"] != vnf_index:
 521                     continue
 522                 vnfr_update = {}
 523                 if vnf_RO.get("ip_address"):
 524                     db_vnfr["ip-address"] = vnfr_update["ip-address"] = vnf_RO["ip_address"].split(";")[0]
 525                 elif not db_vnfr.get("ip-address"):
 526                     if db_vnfr.get("vdur"):   # if not VDUs, there is not ip_address
 527                         raise LcmExceptionNoMgmtIP("ns member_vnf_index '{}' has no IP address".format(vnf_index))
 528
 529                 for vdu_index, vdur in enumerate(get_iterable(db_vnfr, "vdur")):
 530                     vdur_RO_count_index = 0
 531                     if vdur.get("pdu-type"):
 532                         continue
 533                     for vdur_RO in get_iterable(vnf_RO, "vms"):
 534                         if vdur["vdu-id-ref"] != vdur_RO["vdu_osm_id"]:
 535                             continue
 536                         if vdur["count-index"] != vdur_RO_count_index:
 537                             vdur_RO_count_index += 1
 538                             continue
 539                         vdur["vim-id"] = vdur_RO.get("vim_vm_id")
 540                         if vdur_RO.get("ip_address"):
 541                             vdur["ip-address"] = vdur_RO["ip_address"].split(";")[0]
 542                         else:
 543                             vdur["ip-address"] = None
 544                         vdur["vdu-id-ref"] = vdur_RO.get("vdu_osm_id")
 545                         vdur["name"] = vdur_RO.get("vim_name")
 546                         vdur["status"] = vdur_RO.get("status")
 547                         vdur["status-detailed"] = vdur_RO.get("error_msg")
 548                         for ifacer in get_iterable(vdur, "interfaces"):
 549                             for interface_RO in get_iterable(vdur_RO, "interfaces"):
 550                                 if ifacer["name"] == interface_RO.get("internal_name"):
 551                                     ifacer["ip-address"] = interface_RO.get("ip_address")
 552                                     ifacer["mac-address"] = interface_RO.get("mac_address")
 553                                     break
 554                             else:
 555                                 raise LcmException("ns_update_vnfr: Not found member_vnf_index={} vdur={} interface={} "
 556                                                    "from VIM info"
 557                                                    .format(vnf_index, vdur["vdu-id-ref"], ifacer["name"]))
 558                         vnfr_update["vdur.{}".format(vdu_index)] = vdur
 559                         break
 560                     else:
 561                         raise LcmException("ns_update_vnfr: Not found member_vnf_index={} vdur={} count_index={} from "
 562                                            "VIM info".format(vnf_index, vdur["vdu-id-ref"], vdur["count-index"]))
 563
 564                 for vld_index, vld in enumerate(get_iterable(db_vnfr, "vld")):
 565                     for net_RO in get_iterable(nsr_desc_RO, "nets"):
 566                         if vld["id"] != net_RO.get("vnf_net_osm_id"):
 567                             continue
 568                         vld["vim-id"] = net_RO.get("vim_net_id")
 569                         vld["name"] = net_RO.get("vim_name")
 570                         vld["status"] = net_RO.get("status")
 571                         vld["status-detailed"] = net_RO.get("error_msg")
 572                         vnfr_update["vld.{}".format(vld_index)] = vld
 573                         break
 574                     else:
 575                         raise LcmException("ns_update_vnfr: Not found member_vnf_index={} vld={} from VIM info".format(
 576                             vnf_index, vld["id"]))
 577
 578                 self.update_db_2("vnfrs", db_vnfr["_id"], vnfr_update)
 579                 break
 580
 581             else:
 582                 raise LcmException("ns_update_vnfr: Not found member_vnf_index={} from VIM info".format(vnf_index))
 583
 584     def _get_ns_config_info(self, nsr_id):
 585         """
 586         Generates a mapping between vnf,vdu elements and the N2VC id
 587         :param nsr_id: id of nsr to get last  database _admin.deployed.VCA that contains this list
 588         :return: a dictionary with {osm-config-mapping: {}} where its element contains:
 589             "<member-vnf-index>": <N2VC-id>  for a vnf configuration, or
 590             "<member-vnf-index>.<vdu.id>.<vdu replica(0, 1,..)>": <N2VC-id>  for a vdu configuration
 591         """
 592         db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
 593         vca_deployed_list = db_nsr["_admin"]["deployed"]["VCA"]
 594         mapping = {}
 595         ns_config_info = {"osm-config-mapping": mapping}
 596         for vca in vca_deployed_list:
 597             if not vca["member-vnf-index"]:
 598                 continue
 599             if not vca["vdu_id"]:
 600                 mapping[vca["member-vnf-index"]] = vca["application"]
 601             else:
 602                 mapping["{}.{}.{}".format(vca["member-vnf-index"], vca["vdu_id"], vca["vdu_count_index"])] =\
 603                     vca["application"]
 604         return ns_config_info
 605
 606     async def _instantiate_ng_ro(self, logging_text, nsr_id, nsd, db_nsr, db_nslcmop, db_vnfrs, db_vnfds,
 607                                  n2vc_key_list, stage, start_deploy, timeout_ns_deploy):
 608
 609         db_vims = {}
 610
 611         def get_vim_account(vim_account_id):
 612             nonlocal db_vims
 613             if vim_account_id in db_vims:
 614                 return db_vims[vim_account_id]
 615             db_vim = self.db.get_one("vim_accounts", {"_id": vim_account_id})
 616             db_vims[vim_account_id] = db_vim
 617             return db_vim
 618
 619         # modify target_vld info with instantiation parameters
 620         def parse_vld_instantiation_params(target_vim, target_vld, vld_params, target_sdn):
 621             if vld_params.get("ip-profile"):
 622                 target_vld["vim_info"][target_vim]["ip_profile"] = vld_params["ip-profile"]
 623             if vld_params.get("provider-network"):
 624                 target_vld["vim_info"][target_vim]["provider_network"] = vld_params["provider-network"]
 625                 if "sdn-ports" in vld_params["provider-network"] and target_sdn:
 626                     target_vld["vim_info"][target_sdn]["sdn-ports"] = vld_params["provider-network"]["sdn-ports"]
 627             if vld_params.get("wimAccountId"):
 628                 target_wim = "wim:{}".format(vld_params["wimAccountId"])
 629                 target_vld["vim_info"][target_wim] = {}
 630             for param in ("vim-network-name", "vim-network-id"):
 631                 if vld_params.get(param):
 632                     if isinstance(vld_params[param], dict):
 633                         for vim, vim_net in vld_params[param].items():
 634                             other_target_vim = "vim:" + vim
 635                             populate_dict(target_vld["vim_info"], (other_target_vim, param.replace("-", "_")), vim_net)
 636                     else:  # isinstance str
 637                         target_vld["vim_info"][target_vim][param.replace("-", "_")] = vld_params[param]
 638             if vld_params.get("common_id"):
 639                 target_vld["common_id"] = vld_params.get("common_id")
 640
 641         nslcmop_id = db_nslcmop["_id"]
 642         target = {
 643             "name": db_nsr["name"],
 644             "ns": {"vld": []},
 645             "vnf": [],
 646             "image": deepcopy(db_nsr["image"]),
 647             "flavor": deepcopy(db_nsr["flavor"]),
 648             "action_id": nslcmop_id,
 649             "cloud_init_content": {},
 650         }
 651         for image in target["image"]:
 652             image["vim_info"] = {}
 653         for flavor in target["flavor"]:
 654             flavor["vim_info"] = {}
 655
 656         if db_nslcmop.get("lcmOperationType") != "instantiate":
 657             # get parameters of instantiation:
 658             db_nslcmop_instantiate = self.db.get_list("nslcmops", {"nsInstanceId": db_nslcmop["nsInstanceId"],
 659                                                                    "lcmOperationType": "instantiate"})[-1]
 660             ns_params = db_nslcmop_instantiate.get("operationParams")
 661         else:
 662             ns_params = db_nslcmop.get("operationParams")
 663         ssh_keys_instantiation = ns_params.get("ssh_keys") or []
 664         ssh_keys_all = ssh_keys_instantiation + (n2vc_key_list or [])
 665
 666         cp2target = {}
 667         for vld_index, vld in enumerate(db_nsr.get("vld")):
 668             target_vim = "vim:{}".format(ns_params["vimAccountId"])
 669             target_vld = {
 670                 "id": vld["id"],
 671                 "name": vld["name"],
 672                 "mgmt-network": vld.get("mgmt-network", False),
 673                 "type": vld.get("type"),
 674                 "vim_info": {
 675                     target_vim: {
 676                         "vim_network_name": vld.get("vim-network-name"),
 677                         "vim_account_id": ns_params["vimAccountId"]
 678                     }
 679                 }
 680             }
 681             # check if this network needs SDN assist
 682             if vld.get("pci-interfaces"):
 683                 db_vim = get_vim_account(ns_params["vimAccountId"])
 684                 sdnc_id = db_vim["config"].get("sdn-controller")
 685                 if sdnc_id:
 686                     sdn_vld = "nsrs:{}:vld.{}".format(nsr_id, vld["id"])
 687                     target_sdn = "sdn:{}".format(sdnc_id)
 688                     target_vld["vim_info"][target_sdn] = {
 689                         "sdn": True, "target_vim": target_vim, "vlds": [sdn_vld], "type": vld.get("type")}
 690
 691             nsd_vnf_profiles = get_vnf_profiles(nsd)
 692             for nsd_vnf_profile in nsd_vnf_profiles:
 693                 for cp in nsd_vnf_profile["virtual-link-connectivity"]:
 694                     if cp["virtual-link-profile-id"] == vld["id"]:
 695                         cp2target["member_vnf:{}.{}".format(
 696                             cp["constituent-cpd-id"][0]["constituent-base-element-id"],
 697                             cp["constituent-cpd-id"][0]["constituent-cpd-id"]
 698                         )] = "nsrs:{}:vld.{}".format(nsr_id, vld_index)
 699
 700             # check at nsd descriptor, if there is an ip-profile
 701             vld_params = {}
 702             nsd_vlp = find_in_list(
 703                 get_virtual_link_profiles(nsd),
 704                 lambda a_link_profile: a_link_profile["virtual-link-desc-id"] == vld["id"])
 705             if nsd_vlp and nsd_vlp.get("virtual-link-protocol-data") and \
 706                     nsd_vlp["virtual-link-protocol-data"].get("l3-protocol-data"):
 707                 ip_profile_source_data = nsd_vlp["virtual-link-protocol-data"]["l3-protocol-data"]
 708                 ip_profile_dest_data = {}
 709                 if "ip-version" in ip_profile_source_data:
 710                     ip_profile_dest_data["ip-version"] = ip_profile_source_data["ip-version"]
 711                 if "cidr" in ip_profile_source_data:
 712                     ip_profile_dest_data["subnet-address"] = ip_profile_source_data["cidr"]
 713                 if "gateway-ip" in ip_profile_source_data:
 714                     ip_profile_dest_data["gateway-address"] = ip_profile_source_data["gateway-ip"]
 715                 if "dhcp-enabled" in ip_profile_source_data:
 716                     ip_profile_dest_data["dhcp-params"] = {
 717                         "enabled": ip_profile_source_data["dhcp-enabled"]
 718                     }
 719                 vld_params["ip-profile"] = ip_profile_dest_data
 720
 721             # update vld_params with instantiation params
 722             vld_instantiation_params = find_in_list(get_iterable(ns_params, "vld"),
 723                                                     lambda a_vld: a_vld["name"] in (vld["name"], vld["id"]))
 724             if vld_instantiation_params:
 725                 vld_params.update(vld_instantiation_params)
 726             parse_vld_instantiation_params(target_vim, target_vld, vld_params, None)
 727             target["ns"]["vld"].append(target_vld)
 728
 729         for vnfr in db_vnfrs.values():
 730             vnfd = find_in_list(db_vnfds, lambda db_vnf: db_vnf["id"] == vnfr["vnfd-ref"])
 731             vnf_params = find_in_list(get_iterable(ns_params, "vnf"),
 732                                       lambda a_vnf: a_vnf["member-vnf-index"] == vnfr["member-vnf-index-ref"])
 733             target_vnf = deepcopy(vnfr)
 734             target_vim = "vim:{}".format(vnfr["vim-account-id"])
 735             for vld in target_vnf.get("vld", ()):
 736                 # check if connected to a ns.vld, to fill target'
 737                 vnf_cp = find_in_list(vnfd.get("int-virtual-link-desc", ()),
 738                                       lambda cpd: cpd.get("id") == vld["id"])
 739                 if vnf_cp:
 740                     ns_cp = "member_vnf:{}.{}".format(vnfr["member-vnf-index-ref"], vnf_cp["id"])
 741                     if cp2target.get(ns_cp):
 742                         vld["target"] = cp2target[ns_cp]
 743
 744                 vld["vim_info"] = {target_vim: {"vim_network_name": vld.get("vim-network-name")}}
 745                 # check if this network needs SDN assist
 746                 target_sdn = None
 747                 if vld.get("pci-interfaces"):
 748                     db_vim = get_vim_account(vnfr["vim-account-id"])
 749                     sdnc_id = db_vim["config"].get("sdn-controller")
 750                     if sdnc_id:
 751                         sdn_vld = "vnfrs:{}:vld.{}".format(target_vnf["_id"], vld["id"])
 752                         target_sdn = "sdn:{}".format(sdnc_id)
 753                         vld["vim_info"][target_sdn] = {
 754                             "sdn": True, "target_vim": target_vim, "vlds": [sdn_vld], "type": vld.get("type")}
 755
 756                 # check at vnfd descriptor, if there is an ip-profile
 757                 vld_params = {}
 758                 vnfd_vlp = find_in_list(
 759                     get_virtual_link_profiles(vnfd),
 760                     lambda a_link_profile: a_link_profile["id"] == vld["id"]
 761                 )
 762                 if vnfd_vlp and vnfd_vlp.get("virtual-link-protocol-data") and \
 763                    vnfd_vlp["virtual-link-protocol-data"].get("l3-protocol-data"):
 764                     ip_profile_source_data = vnfd_vlp["virtual-link-protocol-data"]["l3-protocol-data"]
 765                     ip_profile_dest_data = {}
 766                     if "ip-version" in ip_profile_source_data:
 767                         ip_profile_dest_data["ip-version"] = ip_profile_source_data["ip-version"]
 768                     if "cidr" in ip_profile_source_data:
 769                         ip_profile_dest_data["subnet-address"] = ip_profile_source_data["cidr"]
 770                     if "gateway-ip" in ip_profile_source_data:
 771                         ip_profile_dest_data["gateway-address"] = ip_profile_source_data["gateway-ip"]
 772                     if "dhcp-enabled" in ip_profile_source_data:
 773                         ip_profile_dest_data["dhcp-params"] = {
 774                             "enabled": ip_profile_source_data["dhcp-enabled"]
 775                         }
 776
 777                     vld_params["ip-profile"] = ip_profile_dest_data
 778                 # update vld_params with instantiation params
 779                 if vnf_params:
 780                     vld_instantiation_params = find_in_list(get_iterable(vnf_params, "internal-vld"),
 781                                                             lambda i_vld: i_vld["name"] == vld["id"])
 782                     if vld_instantiation_params:
 783                         vld_params.update(vld_instantiation_params)
 784                 parse_vld_instantiation_params(target_vim, vld, vld_params, target_sdn)
 785
 786             vdur_list = []
 787             for vdur in target_vnf.get("vdur", ()):
 788                 if vdur.get("status") == "DELETING" or vdur.get("pdu-type"):
 789                     continue  # This vdu must not be created
 790                 vdur["vim_info"] = {"vim_account_id": vnfr["vim-account-id"]}
 791
 792                 self.logger.debug("NS > ssh_keys > {}".format(ssh_keys_all))
 793
 794                 if ssh_keys_all:
 795                     vdu_configuration = get_configuration(vnfd, vdur["vdu-id-ref"])
 796                     vnf_configuration = get_configuration(vnfd, vnfd["id"])
 797                     if vdu_configuration and vdu_configuration.get("config-access") and \
 798                        vdu_configuration.get("config-access").get("ssh-access"):
 799                         vdur["ssh-keys"] = ssh_keys_all
 800                         vdur["ssh-access-required"] = vdu_configuration["config-access"]["ssh-access"]["required"]
 801                     elif vnf_configuration and vnf_configuration.get("config-access") and \
 802                         vnf_configuration.get("config-access").get("ssh-access") and \
 803                             any(iface.get("mgmt-vnf") for iface in vdur["interfaces"]):
 804                         vdur["ssh-keys"] = ssh_keys_all
 805                         vdur["ssh-access-required"] = vnf_configuration["config-access"]["ssh-access"]["required"]
 806                     elif ssh_keys_instantiation and \
 807                             find_in_list(vdur["interfaces"], lambda iface: iface.get("mgmt-vnf")):
 808                         vdur["ssh-keys"] = ssh_keys_instantiation
 809
 810                 self.logger.debug("NS > vdur > {}".format(vdur))
 811
 812                 vdud = get_vdu(vnfd, vdur["vdu-id-ref"])
 813                 # cloud-init
 814                 if vdud.get("cloud-init-file"):
 815                     vdur["cloud-init"] = "{}:file:{}".format(vnfd["_id"], vdud.get("cloud-init-file"))
 816                     # read file and put content at target.cloul_init_content. Avoid ng_ro to use shared package system
 817                     if vdur["cloud-init"] not in target["cloud_init_content"]:
 818                         base_folder = vnfd["_admin"]["storage"]
 819                         cloud_init_file = "{}/{}/cloud_init/{}".format(base_folder["folder"], base_folder["pkg-dir"],
 820                                                                        vdud.get("cloud-init-file"))
 821                         with self.fs.file_open(cloud_init_file, "r") as ci_file:
 822                             target["cloud_init_content"][vdur["cloud-init"]] = ci_file.read()
 823                 elif vdud.get("cloud-init"):
 824                     vdur["cloud-init"] = "{}:vdu:{}".format(vnfd["_id"], get_vdu_index(vnfd, vdur["vdu-id-ref"]))
 825                     # put content at target.cloul_init_content. Avoid ng_ro read vnfd descriptor
 826                     target["cloud_init_content"][vdur["cloud-init"]] = vdud["cloud-init"]
 827                 vdur["additionalParams"] = vdur.get("additionalParams") or {}
 828                 deploy_params_vdu = self._format_additional_params(vdur.get("additionalParams") or {})
 829                 deploy_params_vdu["OSM"] = get_osm_params(vnfr, vdur["vdu-id-ref"], vdur["count-index"])
 830                 vdur["additionalParams"] = deploy_params_vdu
 831
 832                 # flavor
 833                 ns_flavor = target["flavor"][int(vdur["ns-flavor-id"])]
 834                 if target_vim not in ns_flavor["vim_info"]:
 835                     ns_flavor["vim_info"][target_vim] = {}
 836
 837                 # deal with images
 838                 # in case alternative images are provided we must check if they should be applied
 839                 # for the vim_type, modify the vim_type taking into account
 840                 ns_image_id = int(vdur["ns-image-id"])
 841                 if vdur.get("alt-image-ids"):
 842                     db_vim = get_vim_account(vnfr["vim-account-id"])
 843                     vim_type = db_vim["vim_type"]
 844                     for alt_image_id in vdur.get("alt-image-ids"):
 845                         ns_alt_image = target["image"][int(alt_image_id)]
 846                         if vim_type == ns_alt_image.get("vim-type"):
 847                             # must use alternative image
 848                             self.logger.debug("use alternative image id: {}".format(alt_image_id))
 849                             ns_image_id = alt_image_id
 850                             vdur["ns-image-id"] = ns_image_id
 851                             break
 852                 ns_image = target["image"][int(ns_image_id)]
 853                 if target_vim not in ns_image["vim_info"]:
 854                     ns_image["vim_info"][target_vim] = {}
 855
 856                 vdur["vim_info"] = {target_vim: {}}
 857                 # instantiation parameters
 858                 # if vnf_params:
 859                 #     vdu_instantiation_params = next((v for v in get_iterable(vnf_params, "vdu") if v["id"] ==
 860                 #     vdud["id"]), None)
 861                 vdur_list.append(vdur)
 862             target_vnf["vdur"] = vdur_list
 863             target["vnf"].append(target_vnf)
 864
 865         desc = await self.RO.deploy(nsr_id, target)
 866         self.logger.debug("RO return > {}".format(desc))
 867         action_id = desc["action_id"]
 868         await self._wait_ng_ro(nsr_id, action_id, nslcmop_id, start_deploy, timeout_ns_deploy, stage)
 869
 870         # Updating NSR
 871         db_nsr_update = {
 872             "_admin.deployed.RO.operational-status": "running",
 873             "detailed-status": " ".join(stage)
 874         }
 875         # db_nsr["_admin.deployed.RO.detailed-status"] = "Deployed at VIM"
 876         self.update_db_2("nsrs", nsr_id, db_nsr_update)
 877         self._write_op_status(nslcmop_id, stage)
 878         self.logger.debug(logging_text + "ns deployed at RO. RO_id={}".format(action_id))
 879         return
 880
 881     async def _wait_ng_ro(self, nsr_id, action_id, nslcmop_id=None, start_time=None, timeout=600, stage=None):
 882         detailed_status_old = None
 883         db_nsr_update = {}
 884         start_time = start_time or time()
 885         while time() <= start_time + timeout:
 886             desc_status = await self.RO.status(nsr_id, action_id)
 887             self.logger.debug("Wait NG RO > {}".format(desc_status))
 888             if desc_status["status"] == "FAILED":
 889                 raise NgRoException(desc_status["details"])
 890             elif desc_status["status"] == "BUILD":
 891                 if stage:
 892                     stage[2] = "VIM: ({})".format(desc_status["details"])
 893             elif desc_status["status"] == "DONE":
 894                 if stage:
 895                     stage[2] = "Deployed at VIM"
 896                 break
 897             else:
 898                 assert False, "ROclient.check_ns_status returns unknown {}".format(desc_status["status"])
 899             if stage and nslcmop_id and stage[2] != detailed_status_old:
 900                 detailed_status_old = stage[2]
 901                 db_nsr_update["detailed-status"] = " ".join(stage)
 902                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
 903                 self._write_op_status(nslcmop_id, stage)
 904             await asyncio.sleep(15, loop=self.loop)
 905         else:  # timeout_ns_deploy
 906             raise NgRoException("Timeout waiting ns to deploy")
 907
 908     async def _terminate_ng_ro(self, logging_text, nsr_deployed, nsr_id, nslcmop_id, stage):
 909         db_nsr_update = {}
 910         failed_detail = []
 911         action_id = None
 912         start_deploy = time()
 913         try:
 914             target = {
 915                 "ns": {"vld": []},
 916                 "vnf": [],
 917                 "image": [],
 918                 "flavor": [],
 919                 "action_id": nslcmop_id
 920             }
 921             desc = await self.RO.deploy(nsr_id, target)
 922             action_id = desc["action_id"]
 923             db_nsr_update["_admin.deployed.RO.nsr_delete_action_id"] = action_id
 924             db_nsr_update["_admin.deployed.RO.nsr_status"] = "DELETING"
 925             self.logger.debug(logging_text + "ns terminate action at RO. action_id={}".format(action_id))
 926
 927             # wait until done
 928             delete_timeout = 20 * 60  # 20 minutes
 929             await self._wait_ng_ro(nsr_id, action_id, nslcmop_id, start_deploy, delete_timeout, stage)
 930
 931             db_nsr_update["_admin.deployed.RO.nsr_delete_action_id"] = None
 932             db_nsr_update["_admin.deployed.RO.nsr_status"] = "DELETED"
 933             # delete all nsr
 934             await self.RO.delete(nsr_id)
 935         except Exception as e:
 936             if isinstance(e, NgRoException) and e.http_code == 404:  # not found
 937                 db_nsr_update["_admin.deployed.RO.nsr_id"] = None
 938                 db_nsr_update["_admin.deployed.RO.nsr_status"] = "DELETED"
 939                 db_nsr_update["_admin.deployed.RO.nsr_delete_action_id"] = None
 940                 self.logger.debug(logging_text + "RO_action_id={} already deleted".format(action_id))
 941             elif isinstance(e, NgRoException) and e.http_code == 409:  # conflict
 942                 failed_detail.append("delete conflict: {}".format(e))
 943                 self.logger.debug(logging_text + "RO_action_id={} delete conflict: {}".format(action_id, e))
 944             else:
 945                 failed_detail.append("delete error: {}".format(e))
 946                 self.logger.error(logging_text + "RO_action_id={} delete error: {}".format(action_id, e))
 947
 948         if failed_detail:
 949             stage[2] = "Error deleting from VIM"
 950         else:
 951             stage[2] = "Deleted from VIM"
 952         db_nsr_update["detailed-status"] = " ".join(stage)
 953         self.update_db_2("nsrs", nsr_id, db_nsr_update)
 954         self._write_op_status(nslcmop_id, stage)
 955
 956         if failed_detail:
 957             raise LcmException("; ".join(failed_detail))
 958         return
 959
 960     async def instantiate_RO(self, logging_text, nsr_id, nsd, db_nsr, db_nslcmop, db_vnfrs, db_vnfds,
 961                              n2vc_key_list, stage):
 962         """
 963         Instantiate at RO
 964         :param logging_text: preffix text to use at logging
 965         :param nsr_id: nsr identity
 966         :param nsd: database content of ns descriptor
 967         :param db_nsr: database content of ns record
 968         :param db_nslcmop: database content of ns operation, in this case, 'instantiate'
 969         :param db_vnfrs:
 970         :param db_vnfds: database content of vnfds, indexed by id (not _id). {id: {vnfd_object}, ...}
 971         :param n2vc_key_list: ssh-public-key list to be inserted to management vdus via cloud-init
 972         :param stage: list with 3 items: [general stage, tasks, vim_specific]. This task will write over vim_specific
 973         :return: None or exception
 974         """
 975         try:
 976             start_deploy = time()
 977             ns_params = db_nslcmop.get("operationParams")
 978             if ns_params and ns_params.get("timeout_ns_deploy"):
 979                 timeout_ns_deploy = ns_params["timeout_ns_deploy"]
 980             else:
 981                 timeout_ns_deploy = self.timeout.get("ns_deploy", self.timeout_ns_deploy)
 982
 983             # Check for and optionally request placement optimization. Database will be updated if placement activated
 984             stage[2] = "Waiting for Placement."
 985             if await self._do_placement(logging_text, db_nslcmop, db_vnfrs):
 986                 # in case of placement change ns_params[vimAcountId) if not present at any vnfrs
 987                 for vnfr in db_vnfrs.values():
 988                     if ns_params["vimAccountId"] == vnfr["vim-account-id"]:
 989                         break
 990                 else:
 991                     ns_params["vimAccountId"] == vnfr["vim-account-id"]
 992
 993             return await self._instantiate_ng_ro(logging_text, nsr_id, nsd, db_nsr, db_nslcmop, db_vnfrs,
 994                                                  db_vnfds, n2vc_key_list, stage, start_deploy, timeout_ns_deploy)
 995         except Exception as e:
 996             stage[2] = "ERROR deploying at VIM"
 997             self.set_vnfr_at_error(db_vnfrs, str(e))
 998             self.logger.error("Error deploying at VIM {}".format(e),
 999                               exc_info=not isinstance(e, (ROclient.ROClientException, LcmException, DbException,
1000                                                           NgRoException)))
1001             raise
1002
1003     async def wait_kdu_up(self, logging_text, nsr_id, vnfr_id, kdu_name):
1004         """
1005         Wait for kdu to be up, get ip address
1006         :param logging_text: prefix use for logging
1007         :param nsr_id:
1008         :param vnfr_id:
1009         :param kdu_name:
1010         :return: IP address
1011         """
1012
1013         # self.logger.debug(logging_text + "Starting wait_kdu_up")
1014         nb_tries = 0
1015
1016         while nb_tries < 360:
1017             db_vnfr = self.db.get_one("vnfrs", {"_id": vnfr_id})
1018             kdur = next((x for x in get_iterable(db_vnfr, "kdur") if x.get("kdu-name") == kdu_name), None)
1019             if not kdur:
1020                 raise LcmException("Not found vnfr_id={}, kdu_name={}".format(vnfr_id, kdu_name))
1021             if kdur.get("status"):
1022                 if kdur["status"] in ("READY", "ENABLED"):
1023                     return kdur.get("ip-address")
1024                 else:
1025                     raise LcmException("target KDU={} is in error state".format(kdu_name))
1026
1027             await asyncio.sleep(10, loop=self.loop)
1028             nb_tries += 1
1029         raise LcmException("Timeout waiting KDU={} instantiated".format(kdu_name))
1030
1031     async def wait_vm_up_insert_key_ro(self, logging_text, nsr_id, vnfr_id, vdu_id, vdu_index, pub_key=None, user=None):
1032         """
1033         Wait for ip addres at RO, and optionally, insert public key in virtual machine
1034         :param logging_text: prefix use for logging
1035         :param nsr_id:
1036         :param vnfr_id:
1037         :param vdu_id:
1038         :param vdu_index:
1039         :param pub_key: public ssh key to inject, None to skip
1040         :param user: user to apply the public ssh key
1041         :return: IP address
1042         """
1043
1044         self.logger.debug(logging_text + "Starting wait_vm_up_insert_key_ro")
1045         ro_nsr_id = None
1046         ip_address = None
1047         nb_tries = 0
1048         target_vdu_id = None
1049         ro_retries = 0
1050
1051         while True:
1052
1053             ro_retries += 1
1054             if ro_retries >= 360:  # 1 hour
1055                 raise LcmException("Not found _admin.deployed.RO.nsr_id for nsr_id: {}".format(nsr_id))
1056
1057             await asyncio.sleep(10, loop=self.loop)
1058
1059             # get ip address
1060             if not target_vdu_id:
1061                 db_vnfr = self.db.get_one("vnfrs", {"_id": vnfr_id})
1062
1063                 if not vdu_id:  # for the VNF case
1064                     if db_vnfr.get("status") == "ERROR":
1065                         raise LcmException("Cannot inject ssh-key because target VNF is in error state")
1066                     ip_address = db_vnfr.get("ip-address")
1067                     if not ip_address:
1068                         continue
1069                     vdur = next((x for x in get_iterable(db_vnfr, "vdur") if x.get("ip-address") == ip_address), None)
1070                 else:  # VDU case
1071                     vdur = next((x for x in get_iterable(db_vnfr, "vdur")
1072                                  if x.get("vdu-id-ref") == vdu_id and x.get("count-index") == vdu_index), None)
1073
1074                 if not vdur and len(db_vnfr.get("vdur", ())) == 1:  # If only one, this should be the target vdu
1075                     vdur = db_vnfr["vdur"][0]
1076                 if not vdur:
1077                     raise LcmException("Not found vnfr_id={}, vdu_id={}, vdu_index={}".format(vnfr_id, vdu_id,
1078                                                                                               vdu_index))
1079                 # New generation RO stores information at "vim_info"
1080                 ng_ro_status = None
1081                 target_vim = None
1082                 if vdur.get("vim_info"):
1083                     target_vim = next(t for t in vdur["vim_info"])  # there should be only one key
1084                     ng_ro_status = vdur["vim_info"][target_vim].get("vim_status")
1085                 if vdur.get("pdu-type") or vdur.get("status") == "ACTIVE" or ng_ro_status == "ACTIVE":
1086                     ip_address = vdur.get("ip-address")
1087                     if not ip_address:
1088                         continue
1089                     target_vdu_id = vdur["vdu-id-ref"]
1090                 elif vdur.get("status") == "ERROR" or ng_ro_status == "ERROR":
1091                     raise LcmException("Cannot inject ssh-key because target VM is in error state")
1092
1093             if not target_vdu_id:
1094                 continue
1095
1096             # inject public key into machine
1097             if pub_key and user:
1098                 self.logger.debug(logging_text + "Inserting RO key")
1099                 self.logger.debug("SSH > PubKey > {}".format(pub_key))
1100                 if vdur.get("pdu-type"):
1101                     self.logger.error(logging_text + "Cannot inject ssh-ky to a PDU")
1102                     return ip_address
1103                 try:
1104                     ro_vm_id = "{}-{}".format(db_vnfr["member-vnf-index-ref"], target_vdu_id)  # TODO add vdu_index
1105                     if self.ng_ro:
1106                         target = {"action": {"action": "inject_ssh_key", "key": pub_key, "user": user},
1107                                   "vnf": [{"_id": vnfr_id, "vdur": [{"id": vdur["id"]}]}],
1108                                   }
1109                         desc = await self.RO.deploy(nsr_id, target)
1110                         action_id = desc["action_id"]
1111                         await self._wait_ng_ro(nsr_id, action_id, timeout=600)
1112                         break
1113                     else:
1114                         # wait until NS is deployed at RO
1115                         if not ro_nsr_id:
1116                             db_nsrs = self.db.get_one("nsrs", {"_id": nsr_id})
1117                             ro_nsr_id = deep_get(db_nsrs, ("_admin", "deployed", "RO", "nsr_id"))
1118                         if not ro_nsr_id:
1119                             continue
1120                         result_dict = await self.RO.create_action(
1121                             item="ns",
1122                             item_id_name=ro_nsr_id,
1123                             descriptor={"add_public_key": pub_key, "vms": [ro_vm_id], "user": user}
1124                         )
1125                         # result_dict contains the format {VM-id: {vim_result: 200, description: text}}
1126                         if not result_dict or not isinstance(result_dict, dict):
1127                             raise LcmException("Unknown response from RO when injecting key")
1128                         for result in result_dict.values():
1129                             if result.get("vim_result") == 200:
1130                                 break
1131                             else:
1132                                 raise ROclient.ROClientException("error injecting key: {}".format(
1133                                     result.get("description")))
1134                         break
1135                 except NgRoException as e:
1136                     raise LcmException("Reaching max tries injecting key. Error: {}".format(e))
1137                 except ROclient.ROClientException as e:
1138                     if not nb_tries:
1139                         self.logger.debug(logging_text + "error injecting key: {}. Retrying until {} seconds".
1140                                           format(e, 20*10))
1141                     nb_tries += 1
1142                     if nb_tries >= 20:
1143                         raise LcmException("Reaching max tries injecting key. Error: {}".format(e))
1144             else:
1145                 break
1146
1147         return ip_address
1148
1149     async def _wait_dependent_n2vc(self, nsr_id, vca_deployed_list, vca_index):
1150         """
1151         Wait until dependent VCA deployments have been finished. NS wait for VNFs and VDUs. VNFs for VDUs
1152         """
1153         my_vca = vca_deployed_list[vca_index]
1154         if my_vca.get("vdu_id") or my_vca.get("kdu_name"):
1155             # vdu or kdu: no dependencies
1156             return
1157         timeout = 300
1158         while timeout >= 0:
1159             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
1160             vca_deployed_list = db_nsr["_admin"]["deployed"]["VCA"]
1161             configuration_status_list = db_nsr["configurationStatus"]
1162             for index, vca_deployed in enumerate(configuration_status_list):
1163                 if index == vca_index:
1164                     # myself
1165                     continue
1166                 if not my_vca.get("member-vnf-index") or \
1167                         (vca_deployed.get("member-vnf-index") == my_vca.get("member-vnf-index")):
1168                     internal_status = configuration_status_list[index].get("status")
1169                     if internal_status == 'READY':
1170                         continue
1171                     elif internal_status == 'BROKEN':
1172                         raise LcmException("Configuration aborted because dependent charm/s has failed")
1173                     else:
1174                         break
1175             else:
1176                 # no dependencies, return
1177                 return
1178             await asyncio.sleep(10)
1179             timeout -= 1
1180
1181         raise LcmException("Configuration aborted because dependent charm/s timeout")
1182
1183     def get_vca_id(self, db_vnfr: dict, db_nsr: dict):
1184         return (
1185             deep_get(db_vnfr, ("vca-id",)) or
1186             deep_get(db_nsr, ("instantiate_params", "vcaId"))
1187         )
1188
1189     async def instantiate_N2VC(self, logging_text, vca_index, nsi_id, db_nsr, db_vnfr, vdu_id, kdu_name, vdu_index,
1190                                config_descriptor, deploy_params, base_folder, nslcmop_id, stage, vca_type, vca_name,
1191                                ee_config_descriptor):
1192         nsr_id = db_nsr["_id"]
1193         db_update_entry = "_admin.deployed.VCA.{}.".format(vca_index)
1194         vca_deployed_list = db_nsr["_admin"]["deployed"]["VCA"]
1195         vca_deployed = db_nsr["_admin"]["deployed"]["VCA"][vca_index]
1196         osm_config = {"osm": {"ns_id": db_nsr["_id"]}}
1197         db_dict = {
1198             'collection': 'nsrs',
1199             'filter': {'_id': nsr_id},
1200             'path': db_update_entry
1201         }
1202         step = ""
1203         try:
1204
1205             element_type = 'NS'
1206             element_under_configuration = nsr_id
1207
1208             vnfr_id = None
1209             if db_vnfr:
1210                 vnfr_id = db_vnfr["_id"]
1211                 osm_config["osm"]["vnf_id"] = vnfr_id
1212
1213             namespace = "{nsi}.{ns}".format(
1214                 nsi=nsi_id if nsi_id else "",
1215                 ns=nsr_id)
1216
1217             if vnfr_id:
1218                 element_type = 'VNF'
1219                 element_under_configuration = vnfr_id
1220                 namespace += ".{}-{}".format(vnfr_id, vdu_index or 0)
1221                 if vdu_id:
1222                     namespace += ".{}-{}".format(vdu_id, vdu_index or 0)
1223                     element_type = 'VDU'
1224                     element_under_configuration = "{}-{}".format(vdu_id, vdu_index or 0)
1225                     osm_config["osm"]["vdu_id"] = vdu_id
1226                 elif kdu_name:
1227                     namespace += ".{}.{}".format(kdu_name, vdu_index or 0)
1228                     element_type = 'KDU'
1229                     element_under_configuration = kdu_name
1230                     osm_config["osm"]["kdu_name"] = kdu_name
1231
1232             # Get artifact path
1233             artifact_path = "{}/{}/{}/{}".format(
1234                 base_folder["folder"],
1235                 base_folder["pkg-dir"],
1236                 "charms" if vca_type in ("native_charm", "lxc_proxy_charm", "k8s_proxy_charm") else "helm-charts",
1237                 vca_name
1238             )
1239
1240             self.logger.debug("Artifact path > {}".format(artifact_path))
1241
1242             # get initial_config_primitive_list that applies to this element
1243             initial_config_primitive_list = config_descriptor.get('initial-config-primitive')
1244
1245             self.logger.debug("Initial config primitive list > {}".format(initial_config_primitive_list))
1246
1247             # add config if not present for NS charm
1248             ee_descriptor_id = ee_config_descriptor.get("id")
1249             self.logger.debug("EE Descriptor > {}".format(ee_descriptor_id))
1250             initial_config_primitive_list = get_ee_sorted_initial_config_primitive_list(initial_config_primitive_list,
1251                                                                                         vca_deployed, ee_descriptor_id)
1252
1253             self.logger.debug("Initial config primitive list #2 > {}".format(initial_config_primitive_list))
1254             # n2vc_redesign STEP 3.1
1255             # find old ee_id if exists
1256             ee_id = vca_deployed.get("ee_id")
1257
1258             vca_id = self.get_vca_id(db_vnfr, db_nsr)
1259             # create or register execution environment in VCA
1260             if vca_type in ("lxc_proxy_charm", "k8s_proxy_charm", "helm", "helm-v3"):
1261
1262                 self._write_configuration_status(
1263                     nsr_id=nsr_id,
1264                     vca_index=vca_index,
1265                     status='CREATING',
1266                     element_under_configuration=element_under_configuration,
1267                     element_type=element_type
1268                 )
1269
1270                 step = "create execution environment"
1271                 self.logger.debug(logging_text + step)
1272
1273                 ee_id = None
1274                 credentials = None
1275                 if vca_type == "k8s_proxy_charm":
1276                     ee_id = await self.vca_map[vca_type].install_k8s_proxy_charm(
1277                         charm_name=artifact_path[artifact_path.rfind("/") + 1:],
1278                         namespace=namespace,
1279                         artifact_path=artifact_path,
1280                         db_dict=db_dict,
1281                         vca_id=vca_id,
1282                     )
1283                 elif vca_type == "helm" or vca_type == "helm-v3":
1284                     ee_id, credentials = await self.vca_map[vca_type].create_execution_environment(
1285                         namespace=namespace,
1286                         reuse_ee_id=ee_id,
1287                         db_dict=db_dict,
1288                         config=osm_config,
1289                         artifact_path=artifact_path,
1290                         vca_type=vca_type
1291                     )
1292                 else:
1293                     ee_id, credentials = await self.vca_map[vca_type].create_execution_environment(
1294                         namespace=namespace,
1295                         reuse_ee_id=ee_id,
1296                         db_dict=db_dict,
1297                         vca_id=vca_id,
1298                     )
1299
1300             elif vca_type == "native_charm":
1301                 step = "Waiting to VM being up and getting IP address"
1302                 self.logger.debug(logging_text + step)
1303                 rw_mgmt_ip = await self.wait_vm_up_insert_key_ro(logging_text, nsr_id, vnfr_id, vdu_id, vdu_index,
1304                                                                  user=None, pub_key=None)
1305                 credentials = {"hostname": rw_mgmt_ip}
1306                 # get username
1307                 username = deep_get(config_descriptor, ("config-access", "ssh-access", "default-user"))
1308                 # TODO remove this when changes on IM regarding config-access:ssh-access:default-user were
1309                 #  merged. Meanwhile let's get username from initial-config-primitive
1310                 if not username and initial_config_primitive_list:
1311                     for config_primitive in initial_config_primitive_list:
1312                         for param in config_primitive.get("parameter", ()):
1313                             if param["name"] == "ssh-username":
1314                                 username = param["value"]
1315                                 break
1316                 if not username:
1317                     raise LcmException("Cannot determine the username neither with 'initial-config-primitive' nor with "
1318                                        "'config-access.ssh-access.default-user'")
1319                 credentials["username"] = username
1320                 # n2vc_redesign STEP 3.2
1321
1322                 self._write_configuration_status(
1323                     nsr_id=nsr_id,
1324                     vca_index=vca_index,
1325                     status='REGISTERING',
1326                     element_under_configuration=element_under_configuration,
1327                     element_type=element_type
1328                 )
1329
1330                 step = "register execution environment {}".format(credentials)
1331                 self.logger.debug(logging_text + step)
1332                 ee_id = await self.vca_map[vca_type].register_execution_environment(
1333                     credentials=credentials,
1334                     namespace=namespace,
1335                     db_dict=db_dict,
1336                     vca_id=vca_id,
1337                 )
1338
1339             # for compatibility with MON/POL modules, the need model and application name at database
1340             # TODO ask MON/POL if needed to not assuming anymore the format "model_name.application_name"
1341             ee_id_parts = ee_id.split('.')
1342             db_nsr_update = {db_update_entry + "ee_id": ee_id}
1343             if len(ee_id_parts) >= 2:
1344                 model_name = ee_id_parts[0]
1345                 application_name = ee_id_parts[1]
1346                 db_nsr_update[db_update_entry + "model"] = model_name
1347                 db_nsr_update[db_update_entry + "application"] = application_name
1348
1349             # n2vc_redesign STEP 3.3
1350             step = "Install configuration Software"
1351
1352             self._write_configuration_status(
1353                 nsr_id=nsr_id,
1354                 vca_index=vca_index,
1355                 status='INSTALLING SW',
1356                 element_under_configuration=element_under_configuration,
1357                 element_type=element_type,
1358                 other_update=db_nsr_update
1359             )
1360
1361             # TODO check if already done
1362             self.logger.debug(logging_text + step)
1363             config = None
1364             if vca_type == "native_charm":
1365                 config_primitive = next((p for p in initial_config_primitive_list if p["name"] == "config"), None)
1366                 if config_primitive:
1367                     config = self._map_primitive_params(
1368                         config_primitive,
1369                         {},
1370                         deploy_params
1371                     )
1372             num_units = 1
1373             if vca_type == "lxc_proxy_charm":
1374                 if element_type == "NS":
1375                     num_units = db_nsr.get("config-units") or 1
1376                 elif element_type == "VNF":
1377                     num_units = db_vnfr.get("config-units") or 1
1378                 elif element_type == "VDU":
1379                     for v in db_vnfr["vdur"]:
1380                         if vdu_id == v["vdu-id-ref"]:
1381                             num_units = v.get("config-units") or 1
1382                             break
1383             if vca_type != "k8s_proxy_charm":
1384                 await self.vca_map[vca_type].install_configuration_sw(
1385                     ee_id=ee_id,
1386                     artifact_path=artifact_path,
1387                     db_dict=db_dict,
1388                     config=config,
1389                     num_units=num_units,
1390                     vca_id=vca_id,
1391                 )
1392
1393             # write in db flag of configuration_sw already installed
1394             self.update_db_2("nsrs", nsr_id, {db_update_entry + "config_sw_installed": True})
1395
1396             # add relations for this VCA (wait for other peers related with this VCA)
1397             await self._add_vca_relations(logging_text=logging_text, nsr_id=nsr_id,
1398                                           vca_index=vca_index, vca_id=vca_id, vca_type=vca_type)
1399
1400             # if SSH access is required, then get execution environment SSH public
1401             # if native charm we have waited already to VM be UP
1402             if vca_type in ("k8s_proxy_charm", "lxc_proxy_charm", "helm", "helm-v3"):
1403                 pub_key = None
1404                 user = None
1405                 # self.logger.debug("get ssh key block")
1406                 if deep_get(config_descriptor, ("config-access", "ssh-access", "required")):
1407                     # self.logger.debug("ssh key needed")
1408                     # Needed to inject a ssh key
1409                     user = deep_get(config_descriptor, ("config-access", "ssh-access", "default-user"))
1410                     step = "Install configuration Software, getting public ssh key"
1411                     pub_key = await self.vca_map[vca_type].get_ee_ssh_public__key(
1412                         ee_id=ee_id,
1413                         db_dict=db_dict,
1414                         vca_id=vca_id
1415                     )
1416
1417                     step = "Insert public key into VM user={} ssh_key={}".format(user, pub_key)
1418                 else:
1419                     # self.logger.debug("no need to get ssh key")
1420                     step = "Waiting to VM being up and getting IP address"
1421                 self.logger.debug(logging_text + step)
1422
1423                 # n2vc_redesign STEP 5.1
1424                 # wait for RO (ip-address) Insert pub_key into VM
1425                 if vnfr_id:
1426                     if kdu_name:
1427                         rw_mgmt_ip = await self.wait_kdu_up(logging_text, nsr_id, vnfr_id, kdu_name)
1428                     else:
1429                         rw_mgmt_ip = await self.wait_vm_up_insert_key_ro(logging_text, nsr_id, vnfr_id, vdu_id,
1430                                                                          vdu_index, user=user, pub_key=pub_key)
1431                 else:
1432                     rw_mgmt_ip = None   # This is for a NS configuration
1433
1434                 self.logger.debug(logging_text + ' VM_ip_address={}'.format(rw_mgmt_ip))
1435
1436             # store rw_mgmt_ip in deploy params for later replacement
1437             deploy_params["rw_mgmt_ip"] = rw_mgmt_ip
1438
1439             # n2vc_redesign STEP 6  Execute initial config primitive
1440             step = 'execute initial config primitive'
1441
1442             # wait for dependent primitives execution (NS -> VNF -> VDU)
1443             if initial_config_primitive_list:
1444                 await self._wait_dependent_n2vc(nsr_id, vca_deployed_list, vca_index)
1445
1446             # stage, in function of element type: vdu, kdu, vnf or ns
1447             my_vca = vca_deployed_list[vca_index]
1448             if my_vca.get("vdu_id") or my_vca.get("kdu_name"):
1449                 # VDU or KDU
1450                 stage[0] = 'Stage 3/5: running Day-1 primitives for VDU.'
1451             elif my_vca.get("member-vnf-index"):
1452                 # VNF
1453                 stage[0] = 'Stage 4/5: running Day-1 primitives for VNF.'
1454             else:
1455                 # NS
1456                 stage[0] = 'Stage 5/5: running Day-1 primitives for NS.'
1457
1458             self._write_configuration_status(
1459                 nsr_id=nsr_id,
1460                 vca_index=vca_index,
1461                 status='EXECUTING PRIMITIVE'
1462             )
1463
1464             self._write_op_status(
1465                 op_id=nslcmop_id,
1466                 stage=stage
1467             )
1468
1469             check_if_terminated_needed = True
1470             for initial_config_primitive in initial_config_primitive_list:
1471                 # adding information on the vca_deployed if it is a NS execution environment
1472                 if not vca_deployed["member-vnf-index"]:
1473                     deploy_params["ns_config_info"] = json.dumps(self._get_ns_config_info(nsr_id))
1474                 # TODO check if already done
1475                 primitive_params_ = self._map_primitive_params(initial_config_primitive, {}, deploy_params)
1476
1477                 step = "execute primitive '{}' params '{}'".format(initial_config_primitive["name"], primitive_params_)
1478                 self.logger.debug(logging_text + step)
1479                 await self.vca_map[vca_type].exec_primitive(
1480                     ee_id=ee_id,
1481                     primitive_name=initial_config_primitive["name"],
1482                     params_dict=primitive_params_,
1483                     db_dict=db_dict,
1484                     vca_id=vca_id,
1485                 )
1486                 # Once some primitive has been exec, check and write at db if it needs to exec terminated primitives
1487                 if check_if_terminated_needed:
1488                     if config_descriptor.get('terminate-config-primitive'):
1489                         self.update_db_2("nsrs", nsr_id, {db_update_entry + "needed_terminate": True})
1490                     check_if_terminated_needed = False
1491
1492                 # TODO register in database that primitive is done
1493
1494             # STEP 7 Configure metrics
1495             if vca_type == "helm" or vca_type == "helm-v3":
1496                 prometheus_jobs = await self.add_prometheus_metrics(
1497                     ee_id=ee_id,
1498                     artifact_path=artifact_path,
1499                     ee_config_descriptor=ee_config_descriptor,
1500                     vnfr_id=vnfr_id,
1501                     nsr_id=nsr_id,
1502                     target_ip=rw_mgmt_ip,
1503                 )
1504                 if prometheus_jobs:
1505                     self.update_db_2("nsrs", nsr_id, {db_update_entry + "prometheus_jobs": prometheus_jobs})
1506
1507             step = "instantiated at VCA"
1508             self.logger.debug(logging_text + step)
1509
1510             self._write_configuration_status(
1511                 nsr_id=nsr_id,
1512                 vca_index=vca_index,
1513                 status='READY'
1514             )
1515
1516         except Exception as e:  # TODO not use Exception but N2VC exception
1517             # self.update_db_2("nsrs", nsr_id, {db_update_entry + "instantiation": "FAILED"})
1518             if not isinstance(e, (DbException, N2VCException, LcmException, asyncio.CancelledError)):
1519                 self.logger.error("Exception while {} : {}".format(step, e), exc_info=True)
1520             self._write_configuration_status(
1521                 nsr_id=nsr_id,
1522                 vca_index=vca_index,
1523                 status='BROKEN'
1524             )
1525             raise LcmException("{} {}".format(step, e)) from e
1526
1527     def _write_ns_status(self, nsr_id: str, ns_state: str, current_operation: str, current_operation_id: str,
1528                          error_description: str = None, error_detail: str = None, other_update: dict = None):
1529         """
1530         Update db_nsr fields.
1531         :param nsr_id:
1532         :param ns_state:
1533         :param current_operation:
1534         :param current_operation_id:
1535         :param error_description:
1536         :param error_detail:
1537         :param other_update: Other required changes at database if provided, will be cleared
1538         :return:
1539         """
1540         try:
1541             db_dict = other_update or {}
1542             db_dict["_admin.nslcmop"] = current_operation_id    # for backward compatibility
1543             db_dict["_admin.current-operation"] = current_operation_id
1544             db_dict["_admin.operation-type"] = current_operation if current_operation != "IDLE" else None
1545             db_dict["currentOperation"] = current_operation
1546             db_dict["currentOperationID"] = current_operation_id
1547             db_dict["errorDescription"] = error_description
1548             db_dict["errorDetail"] = error_detail
1549
1550             if ns_state:
1551                 db_dict["nsState"] = ns_state
1552             self.update_db_2("nsrs", nsr_id, db_dict)
1553         except DbException as e:
1554             self.logger.warn('Error writing NS status, ns={}: {}'.format(nsr_id, e))
1555
1556     def _write_op_status(self, op_id: str, stage: list = None, error_message: str = None, queuePosition: int = 0,
1557                          operation_state: str = None, other_update: dict = None):
1558         try:
1559             db_dict = other_update or {}
1560             db_dict['queuePosition'] = queuePosition
1561             if isinstance(stage, list):
1562                 db_dict['stage'] = stage[0]
1563                 db_dict['detailed-status'] = " ".join(stage)
1564             elif stage is not None:
1565                 db_dict['stage'] = str(stage)
1566
1567             if error_message is not None:
1568                 db_dict['errorMessage'] = error_message
1569             if operation_state is not None:
1570                 db_dict['operationState'] = operation_state
1571                 db_dict["statusEnteredTime"] = time()
1572             self.update_db_2("nslcmops", op_id, db_dict)
1573         except DbException as e:
1574             self.logger.warn('Error writing OPERATION status for op_id: {} -> {}'.format(op_id, e))
1575
1576     def _write_all_config_status(self, db_nsr: dict, status: str):
1577         try:
1578             nsr_id = db_nsr["_id"]
1579             # configurationStatus
1580             config_status = db_nsr.get('configurationStatus')
1581             if config_status:
1582                 db_nsr_update = {"configurationStatus.{}.status".format(index): status for index, v in
1583                                  enumerate(config_status) if v}
1584                 # update status
1585                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
1586
1587         except DbException as e:
1588             self.logger.warn('Error writing all configuration status, ns={}: {}'.format(nsr_id, e))
1589
1590     def _write_configuration_status(self, nsr_id: str, vca_index: int, status: str = None,
1591                                     element_under_configuration: str = None, element_type: str = None,
1592                                     other_update: dict = None):
1593
1594         # self.logger.debug('_write_configuration_status(): vca_index={}, status={}'
1595         #                   .format(vca_index, status))
1596
1597         try:
1598             db_path = 'configurationStatus.{}.'.format(vca_index)
1599             db_dict = other_update or {}
1600             if status:
1601                 db_dict[db_path + 'status'] = status
1602             if element_under_configuration:
1603                 db_dict[db_path + 'elementUnderConfiguration'] = element_under_configuration
1604             if element_type:
1605                 db_dict[db_path + 'elementType'] = element_type
1606             self.update_db_2("nsrs", nsr_id, db_dict)
1607         except DbException as e:
1608             self.logger.warn('Error writing configuration status={}, ns={}, vca_index={}: {}'
1609                              .format(status, nsr_id, vca_index, e))
1610
1611     async def _do_placement(self, logging_text, db_nslcmop, db_vnfrs):
1612         """
1613         Check and computes the placement, (vim account where to deploy). If it is decided by an external tool, it
1614         sends the request via kafka and wait until the result is wrote at database (nslcmops _admin.plca).
1615         Database is used because the result can be obtained from a different LCM worker in case of HA.
1616         :param logging_text: contains the prefix for logging, with the ns and nslcmop identifiers
1617         :param db_nslcmop: database content of nslcmop
1618         :param db_vnfrs: database content of vnfrs, indexed by member-vnf-index.
1619         :return: True if some modification is done. Modifies database vnfrs and parameter db_vnfr with the
1620             computed 'vim-account-id'
1621         """
1622         modified = False
1623         nslcmop_id = db_nslcmop['_id']
1624         placement_engine = deep_get(db_nslcmop, ('operationParams', 'placement-engine'))
1625         if placement_engine == "PLA":
1626             self.logger.debug(logging_text + "Invoke and wait for placement optimization")
1627             await self.msg.aiowrite("pla", "get_placement", {'nslcmopId': nslcmop_id}, loop=self.loop)
1628             db_poll_interval = 5
1629             wait = db_poll_interval * 10
1630             pla_result = None
1631             while not pla_result and wait >= 0:
1632                 await asyncio.sleep(db_poll_interval)
1633                 wait -= db_poll_interval
1634                 db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
1635                 pla_result = deep_get(db_nslcmop, ('_admin', 'pla'))
1636
1637             if not pla_result:
1638                 raise LcmException("Placement timeout for nslcmopId={}".format(nslcmop_id))
1639
1640             for pla_vnf in pla_result['vnf']:
1641                 vnfr = db_vnfrs.get(pla_vnf['member-vnf-index'])
1642                 if not pla_vnf.get('vimAccountId') or not vnfr:
1643                     continue
1644                 modified = True
1645                 self.db.set_one("vnfrs", {"_id": vnfr["_id"]}, {"vim-account-id": pla_vnf['vimAccountId']})
1646                 # Modifies db_vnfrs
1647                 vnfr["vim-account-id"] = pla_vnf['vimAccountId']
1648         return modified
1649
1650     def update_nsrs_with_pla_result(self, params):
1651         try:
1652             nslcmop_id = deep_get(params, ('placement', 'nslcmopId'))
1653             self.update_db_2("nslcmops", nslcmop_id, {"_admin.pla": params.get('placement')})
1654         except Exception as e:
1655             self.logger.warn('Update failed for nslcmop_id={}:{}'.format(nslcmop_id, e))
1656
1657     async def instantiate(self, nsr_id, nslcmop_id):
1658         """
1659
1660         :param nsr_id: ns instance to deploy
1661         :param nslcmop_id: operation to run
1662         :return:
1663         """
1664
1665         # Try to lock HA task here
1666         task_is_locked_by_me = self.lcm_tasks.lock_HA('ns', 'nslcmops', nslcmop_id)
1667         if not task_is_locked_by_me:
1668             self.logger.debug('instantiate() task is not locked by me, ns={}'.format(nsr_id))
1669             return
1670
1671         logging_text = "Task ns={} instantiate={} ".format(nsr_id, nslcmop_id)
1672         self.logger.debug(logging_text + "Enter")
1673
1674         # get all needed from database
1675
1676         # database nsrs record
1677         db_nsr = None
1678
1679         # database nslcmops record
1680         db_nslcmop = None
1681
1682         # update operation on nsrs
1683         db_nsr_update = {}
1684         # update operation on nslcmops
1685         db_nslcmop_update = {}
1686
1687         nslcmop_operation_state = None
1688         db_vnfrs = {}     # vnf's info indexed by member-index
1689         # n2vc_info = {}
1690         tasks_dict_info = {}  # from task to info text
1691         exc = None
1692         error_list = []
1693         stage = ['Stage 1/5: preparation of the environment.', "Waiting for previous operations to terminate.", ""]
1694         # ^ stage, step, VIM progress
1695         try:
1696             # wait for any previous tasks in process
1697             await self.lcm_tasks.waitfor_related_HA('ns', 'nslcmops', nslcmop_id)
1698
1699             stage[1] = "Sync filesystem from database."
1700             self.fs.sync()  # TODO, make use of partial sync, only for the needed packages
1701
1702             # STEP 0: Reading database (nslcmops, nsrs, nsds, vnfrs, vnfds)
1703             stage[1] = "Reading from database."
1704             # nsState="BUILDING", currentOperation="INSTANTIATING", currentOperationID=nslcmop_id
1705             db_nsr_update["detailed-status"] = "creating"
1706             db_nsr_update["operational-status"] = "init"
1707             self._write_ns_status(
1708                 nsr_id=nsr_id,
1709                 ns_state="BUILDING",
1710                 current_operation="INSTANTIATING",
1711                 current_operation_id=nslcmop_id,
1712                 other_update=db_nsr_update
1713             )
1714             self._write_op_status(
1715                 op_id=nslcmop_id,
1716                 stage=stage,
1717                 queuePosition=0
1718             )
1719
1720             # read from db: operation
1721             stage[1] = "Getting nslcmop={} from db.".format(nslcmop_id)
1722             db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
1723             ns_params = db_nslcmop.get("operationParams")
1724             if ns_params and ns_params.get("timeout_ns_deploy"):
1725                 timeout_ns_deploy = ns_params["timeout_ns_deploy"]
1726             else:
1727                 timeout_ns_deploy = self.timeout.get("ns_deploy", self.timeout_ns_deploy)
1728
1729             # read from db: ns
1730             stage[1] = "Getting nsr={} from db.".format(nsr_id)
1731             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
1732             stage[1] = "Getting nsd={} from db.".format(db_nsr["nsd-id"])
1733             nsd = self.db.get_one("nsds", {"_id": db_nsr["nsd-id"]})
1734             db_nsr["nsd"] = nsd
1735             # nsr_name = db_nsr["name"]   # TODO short-name??
1736
1737             # read from db: vnf's of this ns
1738             stage[1] = "Getting vnfrs from db."
1739             self.logger.debug(logging_text + stage[1])
1740             db_vnfrs_list = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id})
1741
1742             # read from db: vnfd's for every vnf
1743             db_vnfds = []         # every vnfd data
1744
1745             # for each vnf in ns, read vnfd
1746             for vnfr in db_vnfrs_list:
1747                 db_vnfrs[vnfr["member-vnf-index-ref"]] = vnfr
1748                 vnfd_id = vnfr["vnfd-id"]
1749                 vnfd_ref = vnfr["vnfd-ref"]
1750
1751                 # if we haven't this vnfd, read it from db
1752                 if vnfd_id not in db_vnfds:
1753                     # read from db
1754                     stage[1] = "Getting vnfd={} id='{}' from db.".format(vnfd_id, vnfd_ref)
1755                     self.logger.debug(logging_text + stage[1])
1756                     vnfd = self.db.get_one("vnfds", {"_id": vnfd_id})
1757
1758                     # store vnfd
1759                     db_vnfds.append(vnfd)
1760
1761             # Get or generates the _admin.deployed.VCA list
1762             vca_deployed_list = None
1763             if db_nsr["_admin"].get("deployed"):
1764                 vca_deployed_list = db_nsr["_admin"]["deployed"].get("VCA")
1765             if vca_deployed_list is None:
1766                 vca_deployed_list = []
1767                 configuration_status_list = []
1768                 db_nsr_update["_admin.deployed.VCA"] = vca_deployed_list
1769                 db_nsr_update["configurationStatus"] = configuration_status_list
1770                 # add _admin.deployed.VCA to db_nsr dictionary, value=vca_deployed_list
1771                 populate_dict(db_nsr, ("_admin", "deployed", "VCA"), vca_deployed_list)
1772             elif isinstance(vca_deployed_list, dict):
1773                 # maintain backward compatibility. Change a dict to list at database
1774                 vca_deployed_list = list(vca_deployed_list.values())
1775                 db_nsr_update["_admin.deployed.VCA"] = vca_deployed_list
1776                 populate_dict(db_nsr, ("_admin", "deployed", "VCA"), vca_deployed_list)
1777
1778             if not isinstance(deep_get(db_nsr, ("_admin", "deployed", "RO", "vnfd")), list):
1779                 populate_dict(db_nsr, ("_admin", "deployed", "RO", "vnfd"), [])
1780                 db_nsr_update["_admin.deployed.RO.vnfd"] = []
1781
1782             # set state to INSTANTIATED. When instantiated NBI will not delete directly
1783             db_nsr_update["_admin.nsState"] = "INSTANTIATED"
1784             self.update_db_2("nsrs", nsr_id, db_nsr_update)
1785             self.db.set_list("vnfrs", {"nsr-id-ref": nsr_id}, {"_admin.nsState": "INSTANTIATED"})
1786
1787             # n2vc_redesign STEP 2 Deploy Network Scenario
1788             stage[0] = 'Stage 2/5: deployment of KDUs, VMs and execution environments.'
1789             self._write_op_status(
1790                 op_id=nslcmop_id,
1791                 stage=stage
1792             )
1793
1794             stage[1] = "Deploying KDUs."
1795             # self.logger.debug(logging_text + "Before deploy_kdus")
1796             # Call to deploy_kdus in case exists the "vdu:kdu" param
1797             await self.deploy_kdus(
1798                 logging_text=logging_text,
1799                 nsr_id=nsr_id,
1800                 nslcmop_id=nslcmop_id,
1801                 db_vnfrs=db_vnfrs,
1802                 db_vnfds=db_vnfds,
1803                 task_instantiation_info=tasks_dict_info,
1804             )
1805
1806             stage[1] = "Getting VCA public key."
1807             # n2vc_redesign STEP 1 Get VCA public ssh-key
1808             # feature 1429. Add n2vc public key to needed VMs
1809             n2vc_key = self.n2vc.get_public_key()
1810             n2vc_key_list = [n2vc_key]
1811             if self.vca_config.get("public_key"):
1812                 n2vc_key_list.append(self.vca_config["public_key"])
1813
1814             stage[1] = "Deploying NS at VIM."
1815             task_ro = asyncio.ensure_future(
1816                 self.instantiate_RO(
1817                     logging_text=logging_text,
1818                     nsr_id=nsr_id,
1819                     nsd=nsd,
1820                     db_nsr=db_nsr,
1821                     db_nslcmop=db_nslcmop,
1822                     db_vnfrs=db_vnfrs,
1823                     db_vnfds=db_vnfds,
1824                     n2vc_key_list=n2vc_key_list,
1825                     stage=stage
1826                 )
1827             )
1828             self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "instantiate_RO", task_ro)
1829             tasks_dict_info[task_ro] = "Deploying at VIM"
1830
1831             # n2vc_redesign STEP 3 to 6 Deploy N2VC
1832             stage[1] = "Deploying Execution Environments."
1833             self.logger.debug(logging_text + stage[1])
1834
1835             nsi_id = None  # TODO put nsi_id when this nsr belongs to a NSI
1836             for vnf_profile in get_vnf_profiles(nsd):
1837                 vnfd_id = vnf_profile["vnfd-id"]
1838                 vnfd = find_in_list(db_vnfds, lambda a_vnf: a_vnf["id"] == vnfd_id)
1839                 member_vnf_index = str(vnf_profile["id"])
1840                 db_vnfr = db_vnfrs[member_vnf_index]
1841                 base_folder = vnfd["_admin"]["storage"]
1842                 vdu_id = None
1843                 vdu_index = 0
1844                 vdu_name = None
1845                 kdu_name = None
1846
1847                 # Get additional parameters
1848                 deploy_params = {"OSM": get_osm_params(db_vnfr)}
1849                 if db_vnfr.get("additionalParamsForVnf"):
1850                     deploy_params.update(parse_yaml_strings(db_vnfr["additionalParamsForVnf"].copy()))
1851
1852                 descriptor_config = get_configuration(vnfd, vnfd["id"])
1853                 if descriptor_config:
1854                     self._deploy_n2vc(
1855                         logging_text=logging_text + "member_vnf_index={} ".format(member_vnf_index),
1856                         db_nsr=db_nsr,
1857                         db_vnfr=db_vnfr,
1858                         nslcmop_id=nslcmop_id,
1859                         nsr_id=nsr_id,
1860                         nsi_id=nsi_id,
1861                         vnfd_id=vnfd_id,
1862                         vdu_id=vdu_id,
1863                         kdu_name=kdu_name,
1864                         member_vnf_index=member_vnf_index,
1865                         vdu_index=vdu_index,
1866                         vdu_name=vdu_name,
1867                         deploy_params=deploy_params,
1868                         descriptor_config=descriptor_config,
1869                         base_folder=base_folder,
1870                         task_instantiation_info=tasks_dict_info,
1871                         stage=stage
1872                     )
1873
1874                 # Deploy charms for each VDU that supports one.
1875                 for vdud in get_vdu_list(vnfd):
1876                     vdu_id = vdud["id"]
1877                     descriptor_config = get_configuration(vnfd, vdu_id)
1878                     vdur = find_in_list(db_vnfr["vdur"], lambda vdu: vdu["vdu-id-ref"] == vdu_id)
1879
1880                     if vdur.get("additionalParams"):
1881                         deploy_params_vdu = parse_yaml_strings(vdur["additionalParams"])
1882                     else:
1883                         deploy_params_vdu = deploy_params
1884                     deploy_params_vdu["OSM"] = get_osm_params(db_vnfr, vdu_id, vdu_count_index=0)
1885                     vdud_count = get_vdu_profile(vnfd, vdu_id).get("max-number-of-instances", 1)
1886
1887                     self.logger.debug("VDUD > {}".format(vdud))
1888                     self.logger.debug("Descriptor config > {}".format(descriptor_config))
1889                     if descriptor_config:
1890                         vdu_name = None
1891                         kdu_name = None
1892                         for vdu_index in range(vdud_count):
1893                             # TODO vnfr_params["rw_mgmt_ip"] = vdur["ip-address"]
1894                             self._deploy_n2vc(
1895                                 logging_text=logging_text + "member_vnf_index={}, vdu_id={}, vdu_index={} ".format(
1896                                     member_vnf_index, vdu_id, vdu_index),
1897                                 db_nsr=db_nsr,
1898                                 db_vnfr=db_vnfr,
1899                                 nslcmop_id=nslcmop_id,
1900                                 nsr_id=nsr_id,
1901                                 nsi_id=nsi_id,
1902                                 vnfd_id=vnfd_id,
1903                                 vdu_id=vdu_id,
1904                                 kdu_name=kdu_name,
1905                                 member_vnf_index=member_vnf_index,
1906                                 vdu_index=vdu_index,
1907                                 vdu_name=vdu_name,
1908                                 deploy_params=deploy_params_vdu,
1909                                 descriptor_config=descriptor_config,
1910                                 base_folder=base_folder,
1911                                 task_instantiation_info=tasks_dict_info,
1912                                 stage=stage
1913                             )
1914                 for kdud in get_kdu_list(vnfd):
1915                     kdu_name = kdud["name"]
1916                     descriptor_config = get_configuration(vnfd, kdu_name)
1917                     if descriptor_config:
1918                         vdu_id = None
1919                         vdu_index = 0
1920                         vdu_name = None
1921                         kdur = next(x for x in db_vnfr["kdur"] if x["kdu-name"] == kdu_name)
1922                         deploy_params_kdu = {"OSM": get_osm_params(db_vnfr)}
1923                         if kdur.get("additionalParams"):
1924                             deploy_params_kdu = parse_yaml_strings(kdur["additionalParams"])
1925
1926                         self._deploy_n2vc(
1927                             logging_text=logging_text,
1928                             db_nsr=db_nsr,
1929                             db_vnfr=db_vnfr,
1930                             nslcmop_id=nslcmop_id,
1931                             nsr_id=nsr_id,
1932                             nsi_id=nsi_id,
1933                             vnfd_id=vnfd_id,
1934                             vdu_id=vdu_id,
1935                             kdu_name=kdu_name,
1936                             member_vnf_index=member_vnf_index,
1937                             vdu_index=vdu_index,
1938                             vdu_name=vdu_name,
1939                             deploy_params=deploy_params_kdu,
1940                             descriptor_config=descriptor_config,
1941                             base_folder=base_folder,
1942                             task_instantiation_info=tasks_dict_info,
1943                             stage=stage
1944                         )
1945
1946             # Check if this NS has a charm configuration
1947             descriptor_config = nsd.get("ns-configuration")
1948             if descriptor_config and descriptor_config.get("juju"):
1949                 vnfd_id = None
1950                 db_vnfr = None
1951                 member_vnf_index = None
1952                 vdu_id = None
1953                 kdu_name = None
1954                 vdu_index = 0
1955                 vdu_name = None
1956
1957                 # Get additional parameters
1958                 deploy_params = {"OSM": {"vim_account_id": ns_params["vimAccountId"]}}
1959                 if db_nsr.get("additionalParamsForNs"):
1960                     deploy_params.update(parse_yaml_strings(db_nsr["additionalParamsForNs"].copy()))
1961                 base_folder = nsd["_admin"]["storage"]
1962                 self._deploy_n2vc(
1963                     logging_text=logging_text,
1964                     db_nsr=db_nsr,
1965                     db_vnfr=db_vnfr,
1966                     nslcmop_id=nslcmop_id,
1967                     nsr_id=nsr_id,
1968                     nsi_id=nsi_id,
1969                     vnfd_id=vnfd_id,
1970                     vdu_id=vdu_id,
1971                     kdu_name=kdu_name,
1972                     member_vnf_index=member_vnf_index,
1973                     vdu_index=vdu_index,
1974                     vdu_name=vdu_name,
1975                     deploy_params=deploy_params,
1976                     descriptor_config=descriptor_config,
1977                     base_folder=base_folder,
1978                     task_instantiation_info=tasks_dict_info,
1979                     stage=stage
1980                 )
1981
1982             # rest of staff will be done at finally
1983
1984         except (ROclient.ROClientException, DbException, LcmException, N2VCException) as e:
1985             self.logger.error(logging_text + "Exit Exception while '{}': {}".format(stage[1], e))
1986             exc = e
1987         except asyncio.CancelledError:
1988             self.logger.error(logging_text + "Cancelled Exception while '{}'".format(stage[1]))
1989             exc = "Operation was cancelled"
1990         except Exception as e:
1991             exc = traceback.format_exc()
1992             self.logger.critical(logging_text + "Exit Exception while '{}': {}".format(stage[1], e), exc_info=True)
1993         finally:
1994             if exc:
1995                 error_list.append(str(exc))
1996             try:
1997                 # wait for pending tasks
1998                 if tasks_dict_info:
1999                     stage[1] = "Waiting for instantiate pending tasks."
2000                     self.logger.debug(logging_text + stage[1])
2001                     error_list += await self._wait_for_tasks(logging_text, tasks_dict_info, timeout_ns_deploy,
2002                                                              stage, nslcmop_id, nsr_id=nsr_id)
2003                 stage[1] = stage[2] = ""
2004             except asyncio.CancelledError:
2005                 error_list.append("Cancelled")
2006                 # TODO cancel all tasks
2007             except Exception as exc:
2008                 error_list.append(str(exc))
2009
2010             # update operation-status
2011             db_nsr_update["operational-status"] = "running"
2012             # let's begin with VCA 'configured' status (later we can change it)
2013             db_nsr_update["config-status"] = "configured"
2014             for task, task_name in tasks_dict_info.items():
2015                 if not task.done() or task.cancelled() or task.exception():
2016                     if task_name.startswith(self.task_name_deploy_vca):
2017                         # A N2VC task is pending
2018                         db_nsr_update["config-status"] = "failed"
2019                     else:
2020                         # RO or KDU task is pending
2021                         db_nsr_update["operational-status"] = "failed"
2022
2023             # update status at database
2024             if error_list:
2025                 error_detail = ". ".join(error_list)
2026                 self.logger.error(logging_text + error_detail)
2027                 error_description_nslcmop = '{} Detail: {}'.format(stage[0], error_detail)
2028                 error_description_nsr = 'Operation: INSTANTIATING.{}, {}'.format(nslcmop_id, stage[0])
2029
2030                 db_nsr_update["detailed-status"] = error_description_nsr + " Detail: " + error_detail
2031                 db_nslcmop_update["detailed-status"] = error_detail
2032                 nslcmop_operation_state = "FAILED"
2033                 ns_state = "BROKEN"
2034             else:
2035                 error_detail = None
2036                 error_description_nsr = error_description_nslcmop = None
2037                 ns_state = "READY"
2038                 db_nsr_update["detailed-status"] = "Done"
2039                 db_nslcmop_update["detailed-status"] = "Done"
2040                 nslcmop_operation_state = "COMPLETED"
2041
2042             if db_nsr:
2043                 self._write_ns_status(
2044                     nsr_id=nsr_id,
2045                     ns_state=ns_state,
2046                     current_operation="IDLE",
2047                     current_operation_id=None,
2048                     error_description=error_description_nsr,
2049                     error_detail=error_detail,
2050                     other_update=db_nsr_update
2051                 )
2052             self._write_op_status(
2053                 op_id=nslcmop_id,
2054                 stage="",
2055                 error_message=error_description_nslcmop,
2056                 operation_state=nslcmop_operation_state,
2057                 other_update=db_nslcmop_update,
2058             )
2059
2060             if nslcmop_operation_state:
2061                 try:
2062                     await self.msg.aiowrite("ns", "instantiated", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,
2063                                                                    "operationState": nslcmop_operation_state},
2064                                             loop=self.loop)
2065                 except Exception as e:
2066                     self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
2067
2068             self.logger.debug(logging_text + "Exit")
2069             self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_instantiate")
2070
2071     async def _add_vca_relations(
2072         self,
2073         logging_text,
2074         nsr_id,
2075         vca_index: int,
2076         timeout: int = 3600,
2077         vca_type: str = None,
2078         vca_id: str = None,
2079     ) -> bool:
2080
2081         # steps:
2082         # 1. find all relations for this VCA
2083         # 2. wait for other peers related
2084         # 3. add relations
2085
2086         try:
2087             vca_type = vca_type or "lxc_proxy_charm"
2088
2089             # STEP 1: find all relations for this VCA
2090
2091             # read nsr record
2092             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
2093             nsd = self.db.get_one("nsds", {"_id": db_nsr["nsd-id"]})
2094
2095             # this VCA data
2096             my_vca = deep_get(db_nsr, ('_admin', 'deployed', 'VCA'))[vca_index]
2097
2098             # read all ns-configuration relations
2099             ns_relations = list()
2100             db_ns_relations = deep_get(nsd, ('ns-configuration', 'relation'))
2101             if db_ns_relations:
2102                 for r in db_ns_relations:
2103                     # check if this VCA is in the relation
2104                     if my_vca.get('member-vnf-index') in\
2105                             (r.get('entities')[0].get('id'), r.get('entities')[1].get('id')):
2106                         ns_relations.append(r)
2107
2108             # read all vnf-configuration relations
2109             vnf_relations = list()
2110             db_vnfd_list = db_nsr.get('vnfd-id')
2111             if db_vnfd_list:
2112                 for vnfd in db_vnfd_list:
2113                     db_vnf_relations = None
2114                     db_vnfd = self.db.get_one("vnfds", {"_id": vnfd})
2115                     db_vnf_configuration = get_configuration(db_vnfd, db_vnfd["id"])
2116                     if db_vnf_configuration:
2117                         db_vnf_relations = db_vnf_configuration.get("relation", [])
2118                     if db_vnf_relations:
2119                         for r in db_vnf_relations:
2120                             # check if this VCA is in the relation
2121                             if my_vca.get('vdu_id') in (r.get('entities')[0].get('id'), r.get('entities')[1].get('id')):
2122                                 vnf_relations.append(r)
2123
2124             # if no relations, terminate
2125             if not ns_relations and not vnf_relations:
2126                 self.logger.debug(logging_text + ' No relations')
2127                 return True
2128
2129             self.logger.debug(logging_text + ' adding relations\n    {}\n    {}'.format(ns_relations, vnf_relations))
2130
2131             # add all relations
2132             start = time()
2133             while True:
2134                 # check timeout
2135                 now = time()
2136                 if now - start >= timeout:
2137                     self.logger.error(logging_text + ' : timeout adding relations')
2138                     return False
2139
2140                 # reload nsr from database (we need to update record: _admin.deloyed.VCA)
2141                 db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
2142
2143                 # for each defined NS relation, find the VCA's related
2144                 for r in ns_relations.copy():
2145                     from_vca_ee_id = None
2146                     to_vca_ee_id = None
2147                     from_vca_endpoint = None
2148                     to_vca_endpoint = None
2149                     vca_list = deep_get(db_nsr, ('_admin', 'deployed', 'VCA'))
2150                     for vca in vca_list:
2151                         if vca.get('member-vnf-index') == r.get('entities')[0].get('id') \
2152                                 and vca.get('config_sw_installed'):
2153                             from_vca_ee_id = vca.get('ee_id')
2154                             from_vca_endpoint = r.get('entities')[0].get('endpoint')
2155                         if vca.get('member-vnf-index') == r.get('entities')[1].get('id') \
2156                                 and vca.get('config_sw_installed'):
2157                             to_vca_ee_id = vca.get('ee_id')
2158                             to_vca_endpoint = r.get('entities')[1].get('endpoint')
2159                     if from_vca_ee_id and to_vca_ee_id:
2160                         # add relation
2161                         await self.vca_map[vca_type].add_relation(
2162                             ee_id_1=from_vca_ee_id,
2163                             ee_id_2=to_vca_ee_id,
2164                             endpoint_1=from_vca_endpoint,
2165                             endpoint_2=to_vca_endpoint,
2166                             vca_id=vca_id,
2167                         )
2168                         # remove entry from relations list
2169                         ns_relations.remove(r)
2170                     else:
2171                         # check failed peers
2172                         try:
2173                             vca_status_list = db_nsr.get('configurationStatus')
2174                             if vca_status_list:
2175                                 for i in range(len(vca_list)):
2176                                     vca = vca_list[i]
2177                                     vca_status = vca_status_list[i]
2178                                     if vca.get('member-vnf-index') == r.get('entities')[0].get('id'):
2179                                         if vca_status.get('status') == 'BROKEN':
2180                                             # peer broken: remove relation from list
2181                                             ns_relations.remove(r)
2182                                     if vca.get('member-vnf-index') == r.get('entities')[1].get('id'):
2183                                         if vca_status.get('status') == 'BROKEN':
2184                                             # peer broken: remove relation from list
2185                                             ns_relations.remove(r)
2186                         except Exception:
2187                             # ignore
2188                             pass
2189
2190                 # for each defined VNF relation, find the VCA's related
2191                 for r in vnf_relations.copy():
2192                     from_vca_ee_id = None
2193                     to_vca_ee_id = None
2194                     from_vca_endpoint = None
2195                     to_vca_endpoint = None
2196                     vca_list = deep_get(db_nsr, ('_admin', 'deployed', 'VCA'))
2197                     for vca in vca_list:
2198                         key_to_check = "vdu_id"
2199                         if vca.get("vdu_id") is None:
2200                             key_to_check = "vnfd_id"
2201                         if vca.get(key_to_check) == r.get('entities')[0].get('id') and vca.get('config_sw_installed'):
2202                             from_vca_ee_id = vca.get('ee_id')
2203                             from_vca_endpoint = r.get('entities')[0].get('endpoint')
2204                         if vca.get(key_to_check) == r.get('entities')[1].get('id') and vca.get('config_sw_installed'):
2205                             to_vca_ee_id = vca.get('ee_id')
2206                             to_vca_endpoint = r.get('entities')[1].get('endpoint')
2207                     if from_vca_ee_id and to_vca_ee_id:
2208                         # add relation
2209                         await self.vca_map[vca_type].add_relation(
2210                             ee_id_1=from_vca_ee_id,
2211                             ee_id_2=to_vca_ee_id,
2212                             endpoint_1=from_vca_endpoint,
2213                             endpoint_2=to_vca_endpoint,
2214                             vca_id=vca_id,
2215                         )
2216                         # remove entry from relations list
2217                         vnf_relations.remove(r)
2218                     else:
2219                         # check failed peers
2220                         try:
2221                             vca_status_list = db_nsr.get('configurationStatus')
2222                             if vca_status_list:
2223                                 for i in range(len(vca_list)):
2224                                     vca = vca_list[i]
2225                                     vca_status = vca_status_list[i]
2226                                     if vca.get('vdu_id') == r.get('entities')[0].get('id'):
2227                                         if vca_status.get('status') == 'BROKEN':
2228                                             # peer broken: remove relation from list
2229                                             vnf_relations.remove(r)
2230                                     if vca.get('vdu_id') == r.get('entities')[1].get('id'):
2231                                         if vca_status.get('status') == 'BROKEN':
2232                                             # peer broken: remove relation from list
2233                                             vnf_relations.remove(r)
2234                         except Exception:
2235                             # ignore
2236                             pass
2237
2238                 # wait for next try
2239                 await asyncio.sleep(5.0)
2240
2241                 if not ns_relations and not vnf_relations:
2242                     self.logger.debug('Relations added')
2243                     break
2244
2245             return True
2246
2247         except Exception as e:
2248             self.logger.warn(logging_text + ' ERROR adding relations: {}'.format(e))
2249             return False
2250
2251     async def _install_kdu(self, nsr_id: str, nsr_db_path: str, vnfr_data: dict, kdu_index: int, kdud: dict,
2252                            vnfd: dict, k8s_instance_info: dict, k8params: dict = None, timeout: int = 600,
2253                            vca_id: str = None):
2254
2255         try:
2256             k8sclustertype = k8s_instance_info["k8scluster-type"]
2257             # Instantiate kdu
2258             db_dict_install = {"collection": "nsrs",
2259                                "filter": {"_id": nsr_id},
2260                                "path": nsr_db_path}
2261
2262             kdu_instance = self.k8scluster_map[k8sclustertype].generate_kdu_instance_name(
2263                 db_dict=db_dict_install,
2264                 kdu_model=k8s_instance_info["kdu-model"],
2265                 kdu_name=k8s_instance_info["kdu-name"],
2266             )
2267             self.update_db_2("nsrs", nsr_id, {nsr_db_path + ".kdu-instance": kdu_instance})
2268             await self.k8scluster_map[k8sclustertype].install(
2269                 cluster_uuid=k8s_instance_info["k8scluster-uuid"],
2270                 kdu_model=k8s_instance_info["kdu-model"],
2271                 atomic=True,
2272                 params=k8params,
2273                 db_dict=db_dict_install,
2274                 timeout=timeout,
2275                 kdu_name=k8s_instance_info["kdu-name"],
2276                 namespace=k8s_instance_info["namespace"],
2277                 kdu_instance=kdu_instance,
2278                 vca_id=vca_id,
2279             )
2280             self.update_db_2("nsrs", nsr_id, {nsr_db_path + ".kdu-instance": kdu_instance})
2281
2282             # Obtain services to obtain management service ip
2283             services = await self.k8scluster_map[k8sclustertype].get_services(
2284                 cluster_uuid=k8s_instance_info["k8scluster-uuid"],
2285                 kdu_instance=kdu_instance,
2286                 namespace=k8s_instance_info["namespace"])
2287
2288             # Obtain management service info (if exists)
2289             vnfr_update_dict = {}
2290             if services:
2291                 vnfr_update_dict["kdur.{}.services".format(kdu_index)] = services
2292                 mgmt_services = [service for service in kdud.get("service", []) if service.get("mgmt-service")]
2293                 for mgmt_service in mgmt_services:
2294                     for service in services:
2295                         if service["name"].startswith(mgmt_service["name"]):
2296                             # Mgmt service found, Obtain service ip
2297                             ip = service.get("external_ip", service.get("cluster_ip"))
2298                             if isinstance(ip, list) and len(ip) == 1:
2299                                 ip = ip[0]
2300
2301                             vnfr_update_dict["kdur.{}.ip-address".format(kdu_index)] = ip
2302
2303                             # Check if must update also mgmt ip at the vnf
2304                             service_external_cp = mgmt_service.get("external-connection-point-ref")
2305                             if service_external_cp:
2306                                 if deep_get(vnfd, ("mgmt-interface", "cp")) == service_external_cp:
2307                                     vnfr_update_dict["ip-address"] = ip
2308
2309                             break
2310                     else:
2311                         self.logger.warn("Mgmt service name: {} not found".format(mgmt_service["name"]))
2312
2313             vnfr_update_dict["kdur.{}.status".format(kdu_index)] = "READY"
2314             self.update_db_2("vnfrs", vnfr_data.get("_id"), vnfr_update_dict)
2315
2316             kdu_config = get_configuration(vnfd, k8s_instance_info["kdu-name"])
2317             if kdu_config and kdu_config.get("initial-config-primitive") and \
2318                get_juju_ee_ref(vnfd, k8s_instance_info["kdu-name"]) is None:
2319                 initial_config_primitive_list = kdu_config.get("initial-config-primitive")
2320                 initial_config_primitive_list.sort(key=lambda val: int(val["seq"]))
2321
2322                 for initial_config_primitive in initial_config_primitive_list:
2323                     primitive_params_ = self._map_primitive_params(initial_config_primitive, {}, {})
2324
2325                     await asyncio.wait_for(
2326                         self.k8scluster_map[k8sclustertype].exec_primitive(
2327                             cluster_uuid=k8s_instance_info["k8scluster-uuid"],
2328                             kdu_instance=kdu_instance,
2329                             primitive_name=initial_config_primitive["name"],
2330                             params=primitive_params_, db_dict=db_dict_install,
2331                             vca_id=vca_id,
2332                         ),
2333                         timeout=timeout
2334                     )
2335
2336         except Exception as e:
2337             # Prepare update db with error and raise exception
2338             try:
2339                 self.update_db_2("nsrs", nsr_id, {nsr_db_path + ".detailed-status": str(e)})
2340                 self.update_db_2("vnfrs", vnfr_data.get("_id"), {"kdur.{}.status".format(kdu_index): "ERROR"})
2341             except Exception:
2342                 # ignore to keep original exception
2343                 pass
2344             # reraise original error
2345             raise
2346
2347         return kdu_instance
2348
2349     async def deploy_kdus(self, logging_text, nsr_id, nslcmop_id, db_vnfrs, db_vnfds, task_instantiation_info):
2350         # Launch kdus if present in the descriptor
2351
2352         k8scluster_id_2_uuic = {"helm-chart-v3": {}, "helm-chart": {}, "juju-bundle": {}}
2353
2354         async def _get_cluster_id(cluster_id, cluster_type):
2355             nonlocal k8scluster_id_2_uuic
2356             if cluster_id in k8scluster_id_2_uuic[cluster_type]:
2357                 return k8scluster_id_2_uuic[cluster_type][cluster_id]
2358
2359             # check if K8scluster is creating and wait look if previous tasks in process
2360             task_name, task_dependency = self.lcm_tasks.lookfor_related("k8scluster", cluster_id)
2361             if task_dependency:
2362                 text = "Waiting for related tasks '{}' on k8scluster {} to be completed".format(task_name, cluster_id)
2363                 self.logger.debug(logging_text + text)
2364                 await asyncio.wait(task_dependency, timeout=3600)
2365
2366             db_k8scluster = self.db.get_one("k8sclusters", {"_id": cluster_id}, fail_on_empty=False)
2367             if not db_k8scluster:
2368                 raise LcmException("K8s cluster {} cannot be found".format(cluster_id))
2369
2370             k8s_id = deep_get(db_k8scluster, ("_admin", cluster_type, "id"))
2371             if not k8s_id:
2372                 if cluster_type == "helm-chart-v3":
2373                     try:
2374                         # backward compatibility for existing clusters that have not been initialized for helm v3
2375                         k8s_credentials = yaml.safe_dump(db_k8scluster.get("credentials"))
2376                         k8s_id, uninstall_sw = await self.k8sclusterhelm3.init_env(k8s_credentials,
2377                                                                                    reuse_cluster_uuid=cluster_id)
2378                         db_k8scluster_update = {}
2379                         db_k8scluster_update["_admin.helm-chart-v3.error_msg"] = None
2380                         db_k8scluster_update["_admin.helm-chart-v3.id"] = k8s_id
2381                         db_k8scluster_update["_admin.helm-chart-v3.created"] = uninstall_sw
2382                         db_k8scluster_update["_admin.helm-chart-v3.operationalState"] = "ENABLED"
2383                         self.update_db_2("k8sclusters", cluster_id, db_k8scluster_update)
2384                     except Exception as e:
2385                         self.logger.error(logging_text + "error initializing helm-v3 cluster: {}".format(str(e)))
2386                         raise LcmException("K8s cluster '{}' has not been initialized for '{}'".format(cluster_id,
2387                                                                                                        cluster_type))
2388                 else:
2389                     raise LcmException("K8s cluster '{}' has not been initialized for '{}'".
2390                                        format(cluster_id, cluster_type))
2391             k8scluster_id_2_uuic[cluster_type][cluster_id] = k8s_id
2392             return k8s_id
2393
2394         logging_text += "Deploy kdus: "
2395         step = ""
2396         try:
2397             db_nsr_update = {"_admin.deployed.K8s": []}
2398             self.update_db_2("nsrs", nsr_id, db_nsr_update)
2399
2400             index = 0
2401             updated_cluster_list = []
2402             updated_v3_cluster_list = []
2403
2404             for vnfr_data in db_vnfrs.values():
2405                 vca_id = self.get_vca_id(vnfr_data, {})
2406                 for kdu_index, kdur in enumerate(get_iterable(vnfr_data, "kdur")):
2407                     # Step 0: Prepare and set parameters
2408                     desc_params = parse_yaml_strings(kdur.get("additionalParams"))
2409                     vnfd_id = vnfr_data.get('vnfd-id')
2410                     vnfd_with_id = find_in_list(db_vnfds, lambda vnfd: vnfd["_id"] == vnfd_id)
2411                     kdud = next(kdud for kdud in vnfd_with_id["kdu"] if kdud["name"] == kdur["kdu-name"])
2412                     namespace = kdur.get("k8s-namespace")
2413                     if kdur.get("helm-chart"):
2414                         kdumodel = kdur["helm-chart"]
2415                         # Default version: helm3, if helm-version is v2 assign v2
2416                         k8sclustertype = "helm-chart-v3"
2417                         self.logger.debug("kdur: {}".format(kdur))
2418                         if kdur.get("helm-version") and kdur.get("helm-version") == "v2":
2419                             k8sclustertype = "helm-chart"
2420                     elif kdur.get("juju-bundle"):
2421                         kdumodel = kdur["juju-bundle"]
2422                         k8sclustertype = "juju-bundle"
2423                     else:
2424                         raise LcmException("kdu type for kdu='{}.{}' is neither helm-chart nor "
2425                                            "juju-bundle. Maybe an old NBI version is running".
2426                                            format(vnfr_data["member-vnf-index-ref"], kdur["kdu-name"]))
2427                     # check if kdumodel is a file and exists
2428                     try:
2429                         vnfd_with_id = find_in_list(db_vnfds, lambda vnfd: vnfd["_id"] == vnfd_id)
2430                         storage = deep_get(vnfd_with_id, ('_admin', 'storage'))
2431                         if storage and storage.get('pkg-dir'):  # may be not present if vnfd has not artifacts
2432                             # path format: /vnfdid/pkkdir/helm-charts|juju-bundles/kdumodel
2433                             filename = '{}/{}/{}s/{}'.format(storage["folder"], storage["pkg-dir"], k8sclustertype,
2434                                                              kdumodel)
2435                             if self.fs.file_exists(filename, mode='file') or self.fs.file_exists(filename, mode='dir'):
2436                                 kdumodel = self.fs.path + filename
2437                     except (asyncio.TimeoutError, asyncio.CancelledError):
2438                         raise
2439                     except Exception:       # it is not a file
2440                         pass
2441
2442                     k8s_cluster_id = kdur["k8s-cluster"]["id"]
2443                     step = "Synchronize repos for k8s cluster '{}'".format(k8s_cluster_id)
2444                     cluster_uuid = await _get_cluster_id(k8s_cluster_id, k8sclustertype)
2445
2446                     # Synchronize  repos
2447                     if (k8sclustertype == "helm-chart" and cluster_uuid not in updated_cluster_list)\
2448                             or (k8sclustertype == "helm-chart-v3" and cluster_uuid not in updated_v3_cluster_list):
2449                         del_repo_list, added_repo_dict = await asyncio.ensure_future(
2450                             self.k8scluster_map[k8sclustertype].synchronize_repos(cluster_uuid=cluster_uuid))
2451                         if del_repo_list or added_repo_dict:
2452                             if k8sclustertype == "helm-chart":
2453                                 unset = {'_admin.helm_charts_added.' + item: None for item in del_repo_list}
2454                                 updated = {'_admin.helm_charts_added.' +
2455                                            item: name for item, name in added_repo_dict.items()}
2456                                 updated_cluster_list.append(cluster_uuid)
2457                             elif k8sclustertype == "helm-chart-v3":
2458                                 unset = {'_admin.helm_charts_v3_added.' + item: None for item in del_repo_list}
2459                                 updated = {'_admin.helm_charts_v3_added.' +
2460                                            item: name for item, name in added_repo_dict.items()}
2461                                 updated_v3_cluster_list.append(cluster_uuid)
2462                             self.logger.debug(logging_text + "repos synchronized on k8s cluster "
2463                                                              "'{}' to_delete: {}, to_add: {}".
2464                                               format(k8s_cluster_id, del_repo_list, added_repo_dict))
2465                             self.db.set_one("k8sclusters", {"_id": k8s_cluster_id}, updated, unset=unset)
2466
2467                     # Instantiate kdu
2468                     step = "Instantiating KDU {}.{} in k8s cluster {}".format(vnfr_data["member-vnf-index-ref"],
2469                                                                               kdur["kdu-name"], k8s_cluster_id)
2470                     k8s_instance_info = {"kdu-instance": None,
2471                                          "k8scluster-uuid": cluster_uuid,
2472                                          "k8scluster-type": k8sclustertype,
2473                                          "member-vnf-index": vnfr_data["member-vnf-index-ref"],
2474                                          "kdu-name": kdur["kdu-name"],
2475                                          "kdu-model": kdumodel,
2476                                          "namespace": namespace}
2477                     db_path = "_admin.deployed.K8s.{}".format(index)
2478                     db_nsr_update[db_path] = k8s_instance_info
2479                     self.update_db_2("nsrs", nsr_id, db_nsr_update)
2480                     vnfd_with_id = find_in_list(db_vnfds, lambda vnf: vnf["_id"] == vnfd_id)
2481                     task = asyncio.ensure_future(
2482                         self._install_kdu(nsr_id, db_path, vnfr_data, kdu_index, kdud, vnfd_with_id,
2483                                           k8s_instance_info, k8params=desc_params, timeout=600, vca_id=vca_id))
2484                     self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "instantiate_KDU-{}".format(index), task)
2485                     task_instantiation_info[task] = "Deploying KDU {}".format(kdur["kdu-name"])
2486
2487                     index += 1
2488
2489         except (LcmException, asyncio.CancelledError):
2490             raise
2491         except Exception as e:
2492             msg = "Exception {} while {}: {}".format(type(e).__name__, step, e)
2493             if isinstance(e, (N2VCException, DbException)):
2494                 self.logger.error(logging_text + msg)
2495             else:
2496                 self.logger.critical(logging_text + msg, exc_info=True)
2497             raise LcmException(msg)
2498         finally:
2499             if db_nsr_update:
2500                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
2501
2502     def _deploy_n2vc(self, logging_text, db_nsr, db_vnfr, nslcmop_id, nsr_id, nsi_id, vnfd_id, vdu_id,
2503                      kdu_name, member_vnf_index, vdu_index, vdu_name, deploy_params, descriptor_config,
2504                      base_folder, task_instantiation_info, stage):
2505         # launch instantiate_N2VC in a asyncio task and register task object
2506         # Look where information of this charm is at database <nsrs>._admin.deployed.VCA
2507         # if not found, create one entry and update database
2508         # fill db_nsr._admin.deployed.VCA.<index>
2509
2510         self.logger.debug(logging_text + "_deploy_n2vc vnfd_id={}, vdu_id={}".format(vnfd_id, vdu_id))
2511         if "execution-environment-list" in descriptor_config:
2512             ee_list = descriptor_config.get("execution-environment-list", [])
2513         else:  # other types as script are not supported
2514             ee_list = []
2515
2516         for ee_item in ee_list:
2517             self.logger.debug(logging_text + "_deploy_n2vc ee_item juju={}, helm={}".format(ee_item.get('juju'),
2518                                                                                             ee_item.get("helm-chart")))
2519             ee_descriptor_id = ee_item.get("id")
2520             if ee_item.get("juju"):
2521                 vca_name = ee_item['juju'].get('charm')
2522                 vca_type = "lxc_proxy_charm" if ee_item['juju'].get('charm') is not None else "native_charm"
2523                 if ee_item['juju'].get('cloud') == "k8s":
2524                     vca_type = "k8s_proxy_charm"
2525                 elif ee_item['juju'].get('proxy') is False:
2526                     vca_type = "native_charm"
2527             elif ee_item.get("helm-chart"):
2528                 vca_name = ee_item['helm-chart']
2529                 if ee_item.get("helm-version") and ee_item.get("helm-version") == "v2":
2530                     vca_type = "helm"
2531                 else:
2532                     vca_type = "helm-v3"
2533             else:
2534                 self.logger.debug(logging_text + "skipping non juju neither charm configuration")
2535                 continue
2536
2537             vca_index = -1
2538             for vca_index, vca_deployed in enumerate(db_nsr["_admin"]["deployed"]["VCA"]):
2539                 if not vca_deployed:
2540                     continue
2541                 if vca_deployed.get("member-vnf-index") == member_vnf_index and \
2542                         vca_deployed.get("vdu_id") == vdu_id and \
2543                         vca_deployed.get("kdu_name") == kdu_name and \
2544                         vca_deployed.get("vdu_count_index", 0) == vdu_index and \
2545                         vca_deployed.get("ee_descriptor_id") == ee_descriptor_id:
2546                     break
2547             else:
2548                 # not found, create one.
2549                 target = "ns" if not member_vnf_index else "vnf/{}".format(member_vnf_index)
2550                 if vdu_id:
2551                     target += "/vdu/{}/{}".format(vdu_id, vdu_index or 0)
2552                 elif kdu_name:
2553                     target += "/kdu/{}".format(kdu_name)
2554                 vca_deployed = {
2555                     "target_element": target,
2556                     # ^ target_element will replace member-vnf-index, kdu_name, vdu_id ... in a single string
2557                     "member-vnf-index": member_vnf_index,
2558                     "vdu_id": vdu_id,
2559                     "kdu_name": kdu_name,
2560                     "vdu_count_index": vdu_index,
2561                     "operational-status": "init",  # TODO revise
2562                     "detailed-status": "",  # TODO revise
2563                     "step": "initial-deploy",   # TODO revise
2564                     "vnfd_id": vnfd_id,
2565                     "vdu_name": vdu_name,
2566                     "type": vca_type,
2567                     "ee_descriptor_id": ee_descriptor_id
2568                 }
2569                 vca_index += 1
2570
2571                 # create VCA and configurationStatus in db
2572                 db_dict = {
2573                     "_admin.deployed.VCA.{}".format(vca_index): vca_deployed,
2574                     "configurationStatus.{}".format(vca_index): dict()
2575                 }
2576                 self.update_db_2("nsrs", nsr_id, db_dict)
2577
2578                 db_nsr["_admin"]["deployed"]["VCA"].append(vca_deployed)
2579
2580             self.logger.debug("N2VC > NSR_ID > {}".format(nsr_id))
2581             self.logger.debug("N2VC > DB_NSR > {}".format(db_nsr))
2582             self.logger.debug("N2VC > VCA_DEPLOYED > {}".format(vca_deployed))
2583
2584             # Launch task
2585             task_n2vc = asyncio.ensure_future(
2586                 self.instantiate_N2VC(
2587                     logging_text=logging_text,
2588                     vca_index=vca_index,
2589                     nsi_id=nsi_id,
2590                     db_nsr=db_nsr,
2591                     db_vnfr=db_vnfr,
2592                     vdu_id=vdu_id,
2593                     kdu_name=kdu_name,
2594                     vdu_index=vdu_index,
2595                     deploy_params=deploy_params,
2596                     config_descriptor=descriptor_config,
2597                     base_folder=base_folder,
2598                     nslcmop_id=nslcmop_id,
2599                     stage=stage,
2600                     vca_type=vca_type,
2601                     vca_name=vca_name,
2602                     ee_config_descriptor=ee_item
2603                 )
2604             )
2605             self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "instantiate_N2VC-{}".format(vca_index), task_n2vc)
2606             task_instantiation_info[task_n2vc] = self.task_name_deploy_vca + " {}.{}".format(
2607                 member_vnf_index or "", vdu_id or "")
2608
2609     @staticmethod
2610     def _create_nslcmop(nsr_id, operation, params):
2611         """
2612         Creates a ns-lcm-opp content to be stored at database.
2613         :param nsr_id: internal id of the instance
2614         :param operation: instantiate, terminate, scale, action, ...
2615         :param params: user parameters for the operation
2616         :return: dictionary following SOL005 format
2617         """
2618         # Raise exception if invalid arguments
2619         if not (nsr_id and operation and params):
2620             raise LcmException(
2621                 "Parameters 'nsr_id', 'operation' and 'params' needed to create primitive not provided")
2622         now = time()
2623         _id = str(uuid4())
2624         nslcmop = {
2625             "id": _id,
2626             "_id": _id,
2627             # COMPLETED,PARTIALLY_COMPLETED,FAILED_TEMP,FAILED,ROLLING_BACK,ROLLED_BACK
2628             "operationState": "PROCESSING",
2629             "statusEnteredTime": now,
2630             "nsInstanceId": nsr_id,
2631             "lcmOperationType": operation,
2632             "startTime": now,
2633             "isAutomaticInvocation": False,
2634             "operationParams": params,
2635             "isCancelPending": False,
2636             "links": {
2637                 "self": "/osm/nslcm/v1/ns_lcm_op_occs/" + _id,
2638                 "nsInstance": "/osm/nslcm/v1/ns_instances/" + nsr_id,
2639             }
2640         }
2641         return nslcmop
2642
2643     def _format_additional_params(self, params):
2644         params = params or {}
2645         for key, value in params.items():
2646             if str(value).startswith("!!yaml "):
2647                 params[key] = yaml.safe_load(value[7:])
2648         return params
2649
2650     def _get_terminate_primitive_params(self, seq, vnf_index):
2651         primitive = seq.get('name')
2652         primitive_params = {}
2653         params = {
2654             "member_vnf_index": vnf_index,
2655             "primitive": primitive,
2656             "primitive_params": primitive_params,
2657         }
2658         desc_params = {}
2659         return self._map_primitive_params(seq, params, desc_params)
2660
2661     # sub-operations
2662
2663     def _retry_or_skip_suboperation(self, db_nslcmop, op_index):
2664         op = deep_get(db_nslcmop, ('_admin', 'operations'), [])[op_index]
2665         if op.get('operationState') == 'COMPLETED':
2666             # b. Skip sub-operation
2667             # _ns_execute_primitive() or RO.create_action() will NOT be executed
2668             return self.SUBOPERATION_STATUS_SKIP
2669         else:
2670             # c. retry executing sub-operation
2671             # The sub-operation exists, and operationState != 'COMPLETED'
2672             # Update operationState = 'PROCESSING' to indicate a retry.
2673             operationState = 'PROCESSING'
2674             detailed_status = 'In progress'
2675             self._update_suboperation_status(
2676                 db_nslcmop, op_index, operationState, detailed_status)
2677             # Return the sub-operation index
2678             # _ns_execute_primitive() or RO.create_action() will be called from scale()
2679             # with arguments extracted from the sub-operation
2680             return op_index
2681
2682     # Find a sub-operation where all keys in a matching dictionary must match
2683     # Returns the index of the matching sub-operation, or SUBOPERATION_STATUS_NOT_FOUND if no match
2684     def _find_suboperation(self, db_nslcmop, match):
2685         if db_nslcmop and match:
2686             op_list = db_nslcmop.get('_admin', {}).get('operations', [])
2687             for i, op in enumerate(op_list):
2688                 if all(op.get(k) == match[k] for k in match):
2689                     return i
2690         return self.SUBOPERATION_STATUS_NOT_FOUND
2691
2692     # Update status for a sub-operation given its index
2693     def _update_suboperation_status(self, db_nslcmop, op_index, operationState, detailed_status):
2694         # Update DB for HA tasks
2695         q_filter = {'_id': db_nslcmop['_id']}
2696         update_dict = {'_admin.operations.{}.operationState'.format(op_index): operationState,
2697                        '_admin.operations.{}.detailed-status'.format(op_index): detailed_status}
2698         self.db.set_one("nslcmops",
2699                         q_filter=q_filter,
2700                         update_dict=update_dict,
2701                         fail_on_empty=False)
2702
2703     # Add sub-operation, return the index of the added sub-operation
2704     # Optionally, set operationState, detailed-status, and operationType
2705     # Status and type are currently set for 'scale' sub-operations:
2706     # 'operationState' : 'PROCESSING' | 'COMPLETED' | 'FAILED'
2707     # 'detailed-status' : status message
2708     # 'operationType': may be any type, in the case of scaling: 'PRE-SCALE' | 'POST-SCALE'
2709     # Status and operation type are currently only used for 'scale', but NOT for 'terminate' sub-operations.
2710     def _add_suboperation(self, db_nslcmop, vnf_index, vdu_id, vdu_count_index, vdu_name, primitive,
2711                           mapped_primitive_params, operationState=None, detailed_status=None, operationType=None,
2712                           RO_nsr_id=None, RO_scaling_info=None):
2713         if not db_nslcmop:
2714             return self.SUBOPERATION_STATUS_NOT_FOUND
2715         # Get the "_admin.operations" list, if it exists
2716         db_nslcmop_admin = db_nslcmop.get('_admin', {})
2717         op_list = db_nslcmop_admin.get('operations')
2718         # Create or append to the "_admin.operations" list
2719         new_op = {'member_vnf_index': vnf_index,
2720                   'vdu_id': vdu_id,
2721                   'vdu_count_index': vdu_count_index,
2722                   'primitive': primitive,
2723                   'primitive_params': mapped_primitive_params}
2724         if operationState:
2725             new_op['operationState'] = operationState
2726         if detailed_status:
2727             new_op['detailed-status'] = detailed_status
2728         if operationType:
2729             new_op['lcmOperationType'] = operationType
2730         if RO_nsr_id:
2731             new_op['RO_nsr_id'] = RO_nsr_id
2732         if RO_scaling_info:
2733             new_op['RO_scaling_info'] = RO_scaling_info
2734         if not op_list:
2735             # No existing operations, create key 'operations' with current operation as first list element
2736             db_nslcmop_admin.update({'operations': [new_op]})
2737             op_list = db_nslcmop_admin.get('operations')
2738         else:
2739             # Existing operations, append operation to list
2740             op_list.append(new_op)
2741
2742         db_nslcmop_update = {'_admin.operations': op_list}
2743         self.update_db_2("nslcmops", db_nslcmop['_id'], db_nslcmop_update)
2744         op_index = len(op_list) - 1
2745         return op_index
2746
2747     # Helper methods for scale() sub-operations
2748
2749     # pre-scale/post-scale:
2750     # Check for 3 different cases:
2751     # a. New: First time execution, return SUBOPERATION_STATUS_NEW
2752     # b. Skip: Existing sub-operation exists, operationState == 'COMPLETED', return SUBOPERATION_STATUS_SKIP
2753     # c. retry: Existing sub-operation exists, operationState != 'COMPLETED', return op_index to re-execute
2754     def _check_or_add_scale_suboperation(self, db_nslcmop, vnf_index, vnf_config_primitive, primitive_params,
2755                                          operationType, RO_nsr_id=None, RO_scaling_info=None):
2756         # Find this sub-operation
2757         if RO_nsr_id and RO_scaling_info:
2758             operationType = 'SCALE-RO'
2759             match = {
2760                 'member_vnf_index': vnf_index,
2761                 'RO_nsr_id': RO_nsr_id,
2762                 'RO_scaling_info': RO_scaling_info,
2763             }
2764         else:
2765             match = {
2766                 'member_vnf_index': vnf_index,
2767                 'primitive': vnf_config_primitive,
2768                 'primitive_params': primitive_params,
2769                 'lcmOperationType': operationType
2770             }
2771         op_index = self._find_suboperation(db_nslcmop, match)
2772         if op_index == self.SUBOPERATION_STATUS_NOT_FOUND:
2773             # a. New sub-operation
2774             # The sub-operation does not exist, add it.
2775             # _ns_execute_primitive() will be called from scale() as usual, with non-modified arguments
2776             # The following parameters are set to None for all kind of scaling:
2777             vdu_id = None
2778             vdu_count_index = None
2779             vdu_name = None
2780             if RO_nsr_id and RO_scaling_info:
2781                 vnf_config_primitive = None
2782                 primitive_params = None
2783             else:
2784                 RO_nsr_id = None
2785                 RO_scaling_info = None
2786             # Initial status for sub-operation
2787             operationState = 'PROCESSING'
2788             detailed_status = 'In progress'
2789             # Add sub-operation for pre/post-scaling (zero or more operations)
2790             self._add_suboperation(db_nslcmop,
2791                                    vnf_index,
2792                                    vdu_id,
2793                                    vdu_count_index,
2794                                    vdu_name,
2795                                    vnf_config_primitive,
2796                                    primitive_params,
2797                                    operationState,
2798                                    detailed_status,
2799                                    operationType,
2800                                    RO_nsr_id,
2801                                    RO_scaling_info)
2802             return self.SUBOPERATION_STATUS_NEW
2803         else:
2804             # Return either SUBOPERATION_STATUS_SKIP (operationState == 'COMPLETED'),
2805             # or op_index (operationState != 'COMPLETED')
2806             return self._retry_or_skip_suboperation(db_nslcmop, op_index)
2807
2808     # Function to return execution_environment id
2809
2810     def _get_ee_id(self, vnf_index, vdu_id, vca_deployed_list):
2811         # TODO vdu_index_count
2812         for vca in vca_deployed_list:
2813             if vca["member-vnf-index"] == vnf_index and vca["vdu_id"] == vdu_id:
2814                 return vca["ee_id"]
2815
2816     async def destroy_N2VC(
2817         self,
2818         logging_text,
2819         db_nslcmop,
2820         vca_deployed,
2821         config_descriptor,
2822         vca_index,
2823         destroy_ee=True,
2824         exec_primitives=True,
2825         scaling_in=False,
2826         vca_id: str = None,
2827     ):
2828         """
2829         Execute the terminate primitives and destroy the execution environment (if destroy_ee=False
2830         :param logging_text:
2831         :param db_nslcmop:
2832         :param vca_deployed: Dictionary of deployment info at db_nsr._admin.depoloyed.VCA.<INDEX>
2833         :param config_descriptor: Configuration descriptor of the NSD, VNFD, VNFD.vdu or VNFD.kdu
2834         :param vca_index: index in the database _admin.deployed.VCA
2835         :param destroy_ee: False to do not destroy, because it will be destroyed all of then at once
2836         :param exec_primitives: False to do not execute terminate primitives, because the config is not completed or has
2837                             not executed properly
2838         :param scaling_in: True destroys the application, False destroys the model
2839         :return: None or exception
2840         """
2841
2842         self.logger.debug(
2843             logging_text + " vca_index: {}, vca_deployed: {}, config_descriptor: {}, destroy_ee: {}".format(
2844                 vca_index, vca_deployed, config_descriptor, destroy_ee
2845             )
2846         )
2847
2848         vca_type = vca_deployed.get("type", "lxc_proxy_charm")
2849
2850         # execute terminate_primitives
2851         if exec_primitives:
2852             terminate_primitives = get_ee_sorted_terminate_config_primitive_list(
2853                 config_descriptor.get("terminate-config-primitive"), vca_deployed.get("ee_descriptor_id"))
2854             vdu_id = vca_deployed.get("vdu_id")
2855             vdu_count_index = vca_deployed.get("vdu_count_index")
2856             vdu_name = vca_deployed.get("vdu_name")
2857             vnf_index = vca_deployed.get("member-vnf-index")
2858             if terminate_primitives and vca_deployed.get("needed_terminate"):
2859                 for seq in terminate_primitives:
2860                     # For each sequence in list, get primitive and call _ns_execute_primitive()
2861                     step = "Calling terminate action for vnf_member_index={} primitive={}".format(
2862                         vnf_index, seq.get("name"))
2863                     self.logger.debug(logging_text + step)
2864                     # Create the primitive for each sequence, i.e. "primitive": "touch"
2865                     primitive = seq.get('name')
2866                     mapped_primitive_params = self._get_terminate_primitive_params(seq, vnf_index)
2867
2868                     # Add sub-operation
2869                     self._add_suboperation(db_nslcmop,
2870                                            vnf_index,
2871                                            vdu_id,
2872                                            vdu_count_index,
2873                                            vdu_name,
2874                                            primitive,
2875                                            mapped_primitive_params)
2876                     # Sub-operations: Call _ns_execute_primitive() instead of action()
2877                     try:
2878                         result, result_detail = await self._ns_execute_primitive(
2879                             vca_deployed["ee_id"], primitive,
2880                             mapped_primitive_params,
2881                             vca_type=vca_type,
2882                             vca_id=vca_id,
2883                         )
2884                     except LcmException:
2885                         # this happens when VCA is not deployed. In this case it is not needed to terminate
2886                         continue
2887                     result_ok = ['COMPLETED', 'PARTIALLY_COMPLETED']
2888                     if result not in result_ok:
2889                         raise LcmException("terminate_primitive {}  for vnf_member_index={} fails with "
2890                                            "error {}".format(seq.get("name"), vnf_index, result_detail))
2891                 # set that this VCA do not need terminated
2892                 db_update_entry = "_admin.deployed.VCA.{}.needed_terminate".format(vca_index)
2893                 self.update_db_2("nsrs", db_nslcmop["nsInstanceId"], {db_update_entry: False})
2894
2895         if vca_deployed.get("prometheus_jobs") and self.prometheus:
2896             await self.prometheus.update(remove_jobs=vca_deployed["prometheus_jobs"])
2897
2898         if destroy_ee:
2899             await self.vca_map[vca_type].delete_execution_environment(
2900                 vca_deployed["ee_id"],
2901                 scaling_in=scaling_in,
2902                 vca_id=vca_id,
2903             )
2904
2905     async def _delete_all_N2VC(self, db_nsr: dict, vca_id: str = None):
2906         self._write_all_config_status(db_nsr=db_nsr, status='TERMINATING')
2907         namespace = "." + db_nsr["_id"]
2908         try:
2909             await self.n2vc.delete_namespace(
2910                 namespace=namespace,
2911                 total_timeout=self.timeout_charm_delete,
2912                 vca_id=vca_id,
2913             )
2914         except N2VCNotFound:  # already deleted. Skip
2915             pass
2916         self._write_all_config_status(db_nsr=db_nsr, status='DELETED')
2917
2918     async def _terminate_RO(self, logging_text, nsr_deployed, nsr_id, nslcmop_id, stage):
2919         """
2920         Terminates a deployment from RO
2921         :param logging_text:
2922         :param nsr_deployed: db_nsr._admin.deployed
2923         :param nsr_id:
2924         :param nslcmop_id:
2925         :param stage: list of string with the content to write on db_nslcmop.detailed-status.
2926             this method will update only the index 2, but it will write on database the concatenated content of the list
2927         :return:
2928         """
2929         db_nsr_update = {}
2930         failed_detail = []
2931         ro_nsr_id = ro_delete_action = None
2932         if nsr_deployed and nsr_deployed.get("RO"):
2933             ro_nsr_id = nsr_deployed["RO"].get("nsr_id")
2934             ro_delete_action = nsr_deployed["RO"].get("nsr_delete_action_id")
2935         try:
2936             if ro_nsr_id:
2937                 stage[2] = "Deleting ns from VIM."
2938                 db_nsr_update["detailed-status"] = " ".join(stage)
2939                 self._write_op_status(nslcmop_id, stage)
2940                 self.logger.debug(logging_text + stage[2])
2941                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
2942                 self._write_op_status(nslcmop_id, stage)
2943                 desc = await self.RO.delete("ns", ro_nsr_id)
2944                 ro_delete_action = desc["action_id"]
2945                 db_nsr_update["_admin.deployed.RO.nsr_delete_action_id"] = ro_delete_action
2946                 db_nsr_update["_admin.deployed.RO.nsr_id"] = None
2947                 db_nsr_update["_admin.deployed.RO.nsr_status"] = "DELETED"
2948             if ro_delete_action:
2949                 # wait until NS is deleted from VIM
2950                 stage[2] = "Waiting ns deleted from VIM."
2951                 detailed_status_old = None
2952                 self.logger.debug(logging_text + stage[2] + " RO_id={} ro_delete_action={}".format(ro_nsr_id,
2953                                                                                                    ro_delete_action))
2954                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
2955                 self._write_op_status(nslcmop_id, stage)
2956
2957                 delete_timeout = 20 * 60  # 20 minutes
2958                 while delete_timeout > 0:
2959                     desc = await self.RO.show(
2960                         "ns",
2961                         item_id_name=ro_nsr_id,
2962                         extra_item="action",
2963                         extra_item_id=ro_delete_action)
2964
2965                     # deploymentStatus
2966                     self._on_update_ro_db(nsrs_id=nsr_id, ro_descriptor=desc)
2967
2968                     ns_status, ns_status_info = self.RO.check_action_status(desc)
2969                     if ns_status == "ERROR":
2970                         raise ROclient.ROClientException(ns_status_info)
2971                     elif ns_status == "BUILD":
2972                         stage[2] = "Deleting from VIM {}".format(ns_status_info)
2973                     elif ns_status == "ACTIVE":
2974                         db_nsr_update["_admin.deployed.RO.nsr_delete_action_id"] = None
2975                         db_nsr_update["_admin.deployed.RO.nsr_status"] = "DELETED"
2976                         break
2977                     else:
2978                         assert False, "ROclient.check_action_status returns unknown {}".format(ns_status)
2979                     if stage[2] != detailed_status_old:
2980                         detailed_status_old = stage[2]
2981                         db_nsr_update["detailed-status"] = " ".join(stage)
2982                         self._write_op_status(nslcmop_id, stage)
2983                         self.update_db_2("nsrs", nsr_id, db_nsr_update)
2984                     await asyncio.sleep(5, loop=self.loop)
2985                     delete_timeout -= 5
2986                 else:  # delete_timeout <= 0:
2987                     raise ROclient.ROClientException("Timeout waiting ns deleted from VIM")
2988
2989         except Exception as e:
2990             self.update_db_2("nsrs", nsr_id, db_nsr_update)
2991             if isinstance(e, ROclient.ROClientException) and e.http_code == 404:  # not found
2992                 db_nsr_update["_admin.deployed.RO.nsr_id"] = None
2993                 db_nsr_update["_admin.deployed.RO.nsr_status"] = "DELETED"
2994                 db_nsr_update["_admin.deployed.RO.nsr_delete_action_id"] = None
2995                 self.logger.debug(logging_text + "RO_ns_id={} already deleted".format(ro_nsr_id))
2996             elif isinstance(e, ROclient.ROClientException) and e.http_code == 409:  # conflict
2997                 failed_detail.append("delete conflict: {}".format(e))
2998                 self.logger.debug(logging_text + "RO_ns_id={} delete conflict: {}".format(ro_nsr_id, e))
2999             else:
3000                 failed_detail.append("delete error: {}".format(e))
3001                 self.logger.error(logging_text + "RO_ns_id={} delete error: {}".format(ro_nsr_id, e))
3002
3003         # Delete nsd
3004         if not failed_detail and deep_get(nsr_deployed, ("RO", "nsd_id")):
3005             ro_nsd_id = nsr_deployed["RO"]["nsd_id"]
3006             try:
3007                 stage[2] = "Deleting nsd from RO."
3008                 db_nsr_update["detailed-status"] = " ".join(stage)
3009                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
3010                 self._write_op_status(nslcmop_id, stage)
3011                 await self.RO.delete("nsd", ro_nsd_id)
3012                 self.logger.debug(logging_text + "ro_nsd_id={} deleted".format(ro_nsd_id))
3013                 db_nsr_update["_admin.deployed.RO.nsd_id"] = None
3014             except Exception as e:
3015                 if isinstance(e, ROclient.ROClientException) and e.http_code == 404:  # not found
3016                     db_nsr_update["_admin.deployed.RO.nsd_id"] = None
3017                     self.logger.debug(logging_text + "ro_nsd_id={} already deleted".format(ro_nsd_id))
3018                 elif isinstance(e, ROclient.ROClientException) and e.http_code == 409:  # conflict
3019                     failed_detail.append("ro_nsd_id={} delete conflict: {}".format(ro_nsd_id, e))
3020                     self.logger.debug(logging_text + failed_detail[-1])
3021                 else:
3022                     failed_detail.append("ro_nsd_id={} delete error: {}".format(ro_nsd_id, e))
3023                     self.logger.error(logging_text + failed_detail[-1])
3024
3025         if not failed_detail and deep_get(nsr_deployed, ("RO", "vnfd")):
3026             for index, vnf_deployed in enumerate(nsr_deployed["RO"]["vnfd"]):
3027                 if not vnf_deployed or not vnf_deployed["id"]:
3028                     continue
3029                 try:
3030                     ro_vnfd_id = vnf_deployed["id"]
3031                     stage[2] = "Deleting member_vnf_index={} ro_vnfd_id={} from RO.".format(
3032                         vnf_deployed["member-vnf-index"], ro_vnfd_id)
3033                     db_nsr_update["detailed-status"] = " ".join(stage)
3034                     self.update_db_2("nsrs", nsr_id, db_nsr_update)
3035                     self._write_op_status(nslcmop_id, stage)
3036                     await self.RO.delete("vnfd", ro_vnfd_id)
3037                     self.logger.debug(logging_text + "ro_vnfd_id={} deleted".format(ro_vnfd_id))
3038                     db_nsr_update["_admin.deployed.RO.vnfd.{}.id".format(index)] = None
3039                 except Exception as e:
3040                     if isinstance(e, ROclient.ROClientException) and e.http_code == 404:  # not found
3041                         db_nsr_update["_admin.deployed.RO.vnfd.{}.id".format(index)] = None
3042                         self.logger.debug(logging_text + "ro_vnfd_id={} already deleted ".format(ro_vnfd_id))
3043                     elif isinstance(e, ROclient.ROClientException) and e.http_code == 409:  # conflict
3044                         failed_detail.append("ro_vnfd_id={} delete conflict: {}".format(ro_vnfd_id, e))
3045                         self.logger.debug(logging_text + failed_detail[-1])
3046                     else:
3047                         failed_detail.append("ro_vnfd_id={} delete error: {}".format(ro_vnfd_id, e))
3048                         self.logger.error(logging_text + failed_detail[-1])
3049
3050         if failed_detail:
3051             stage[2] = "Error deleting from VIM"
3052         else:
3053             stage[2] = "Deleted from VIM"
3054         db_nsr_update["detailed-status"] = " ".join(stage)
3055         self.update_db_2("nsrs", nsr_id, db_nsr_update)
3056         self._write_op_status(nslcmop_id, stage)
3057
3058         if failed_detail:
3059             raise LcmException("; ".join(failed_detail))
3060
3061     async def terminate(self, nsr_id, nslcmop_id):
3062         # Try to lock HA task here
3063         task_is_locked_by_me = self.lcm_tasks.lock_HA('ns', 'nslcmops', nslcmop_id)
3064         if not task_is_locked_by_me:
3065             return
3066
3067         logging_text = "Task ns={} terminate={} ".format(nsr_id, nslcmop_id)
3068         self.logger.debug(logging_text + "Enter")
3069         timeout_ns_terminate = self.timeout_ns_terminate
3070         db_nsr = None
3071         db_nslcmop = None
3072         operation_params = None
3073         exc = None
3074         error_list = []   # annotates all failed error messages
3075         db_nslcmop_update = {}
3076         autoremove = False  # autoremove after terminated
3077         tasks_dict_info = {}
3078         db_nsr_update = {}
3079         stage = ["Stage 1/3: Preparing task.", "Waiting for previous operations to terminate.", ""]
3080         # ^ contains [stage, step, VIM-status]
3081         try:
3082             # wait for any previous tasks in process
3083             await self.lcm_tasks.waitfor_related_HA("ns", 'nslcmops', nslcmop_id)
3084
3085             stage[1] = "Getting nslcmop={} from db.".format(nslcmop_id)
3086             db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
3087             operation_params = db_nslcmop.get("operationParams") or {}
3088             if operation_params.get("timeout_ns_terminate"):
3089                 timeout_ns_terminate = operation_params["timeout_ns_terminate"]
3090             stage[1] = "Getting nsr={} from db.".format(nsr_id)
3091             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
3092
3093             db_nsr_update["operational-status"] = "terminating"
3094             db_nsr_update["config-status"] = "terminating"
3095             self._write_ns_status(
3096                 nsr_id=nsr_id,
3097                 ns_state="TERMINATING",
3098                 current_operation="TERMINATING",
3099                 current_operation_id=nslcmop_id,
3100                 other_update=db_nsr_update
3101             )
3102             self._write_op_status(
3103                 op_id=nslcmop_id,
3104                 queuePosition=0,
3105                 stage=stage
3106             )
3107             nsr_deployed = deepcopy(db_nsr["_admin"].get("deployed")) or {}
3108             if db_nsr["_admin"]["nsState"] == "NOT_INSTANTIATED":
3109                 return
3110
3111             stage[1] = "Getting vnf descriptors from db."
3112             db_vnfrs_list = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id})
3113             db_vnfrs_dict = {db_vnfr["member-vnf-index-ref"]: db_vnfr for db_vnfr in db_vnfrs_list}
3114             db_vnfds_from_id = {}
3115             db_vnfds_from_member_index = {}
3116             # Loop over VNFRs
3117             for vnfr in db_vnfrs_list:
3118                 vnfd_id = vnfr["vnfd-id"]
3119                 if vnfd_id not in db_vnfds_from_id:
3120                     vnfd = self.db.get_one("vnfds", {"_id": vnfd_id})
3121                     db_vnfds_from_id[vnfd_id] = vnfd
3122                 db_vnfds_from_member_index[vnfr["member-vnf-index-ref"]] = db_vnfds_from_id[vnfd_id]
3123
3124             # Destroy individual execution environments when there are terminating primitives.
3125             # Rest of EE will be deleted at once
3126             # TODO - check before calling _destroy_N2VC
3127             # if not operation_params.get("skip_terminate_primitives"):#
3128             # or not vca.get("needed_terminate"):
3129             stage[0] = "Stage 2/3 execute terminating primitives."
3130             self.logger.debug(logging_text + stage[0])
3131             stage[1] = "Looking execution environment that needs terminate."
3132             self.logger.debug(logging_text + stage[1])
3133
3134             for vca_index, vca in enumerate(get_iterable(nsr_deployed, "VCA")):
3135                 config_descriptor = None
3136
3137                 vca_id = self.get_vca_id(db_vnfrs_dict[vca["member-vnf-index"]], db_nsr)
3138                 if not vca or not vca.get("ee_id"):
3139                     continue
3140                 if not vca.get("member-vnf-index"):
3141                     # ns
3142                     config_descriptor = db_nsr.get("ns-configuration")
3143                 elif vca.get("vdu_id"):
3144                     db_vnfd = db_vnfds_from_member_index[vca["member-vnf-index"]]
3145                     config_descriptor = get_configuration(db_vnfd, vca.get("vdu_id"))
3146                 elif vca.get("kdu_name"):
3147                     db_vnfd = db_vnfds_from_member_index[vca["member-vnf-index"]]
3148                     config_descriptor = get_configuration(db_vnfd, vca.get("kdu_name"))
3149                 else:
3150                     db_vnfd = db_vnfds_from_member_index[vca["member-vnf-index"]]
3151                     config_descriptor = get_configuration(db_vnfd, db_vnfd["id"])
3152                 vca_type = vca.get("type")
3153                 exec_terminate_primitives = (not operation_params.get("skip_terminate_primitives") and
3154                                              vca.get("needed_terminate"))
3155                 # For helm we must destroy_ee. Also for native_charm, as juju_model cannot be deleted if there are
3156                 # pending native charms
3157                 destroy_ee = True if vca_type in ("helm", "helm-v3", "native_charm") else False
3158                 # self.logger.debug(logging_text + "vca_index: {}, ee_id: {}, vca_type: {} destroy_ee: {}".format(
3159                 #     vca_index, vca.get("ee_id"), vca_type, destroy_ee))
3160                 task = asyncio.ensure_future(
3161                     self.destroy_N2VC(
3162                         logging_text,
3163                         db_nslcmop,
3164                         vca,
3165                         config_descriptor,
3166                         vca_index,
3167                         destroy_ee,
3168                         exec_terminate_primitives,
3169                         vca_id=vca_id,
3170                     )
3171                 )
3172                 tasks_dict_info[task] = "Terminating VCA {}".format(vca.get("ee_id"))
3173
3174             # wait for pending tasks of terminate primitives
3175             if tasks_dict_info:
3176                 self.logger.debug(logging_text + 'Waiting for tasks {}'.format(list(tasks_dict_info.keys())))
3177                 error_list = await self._wait_for_tasks(logging_text, tasks_dict_info,
3178                                                         min(self.timeout_charm_delete, timeout_ns_terminate),
3179                                                         stage, nslcmop_id)
3180                 tasks_dict_info.clear()
3181                 if error_list:
3182                     return   # raise LcmException("; ".join(error_list))
3183
3184             # remove All execution environments at once
3185             stage[0] = "Stage 3/3 delete all."
3186
3187             if nsr_deployed.get("VCA"):
3188                 stage[1] = "Deleting all execution environments."
3189                 self.logger.debug(logging_text + stage[1])
3190                 vca_id = self.get_vca_id({}, db_nsr)
3191                 task_delete_ee = asyncio.ensure_future(
3192                     asyncio.wait_for(
3193                         self._delete_all_N2VC(db_nsr=db_nsr, vca_id=vca_id),
3194                         timeout=self.timeout_charm_delete
3195                     )
3196                 )
3197                 # task_delete_ee = asyncio.ensure_future(self.n2vc.delete_namespace(namespace="." + nsr_id))
3198                 tasks_dict_info[task_delete_ee] = "Terminating all VCA"
3199
3200             # Delete from k8scluster
3201             stage[1] = "Deleting KDUs."
3202             self.logger.debug(logging_text + stage[1])
3203             # print(nsr_deployed)
3204             for kdu in get_iterable(nsr_deployed, "K8s"):
3205                 if not kdu or not kdu.get("kdu-instance"):
3206                     continue
3207                 kdu_instance = kdu.get("kdu-instance")
3208                 if kdu.get("k8scluster-type") in self.k8scluster_map:
3209                     # TODO: Uninstall kdu instances taking into account they could be deployed in different VIMs
3210                     vca_id = self.get_vca_id({}, db_nsr)
3211                     task_delete_kdu_instance = asyncio.ensure_future(
3212                         self.k8scluster_map[kdu["k8scluster-type"]].uninstall(
3213                             cluster_uuid=kdu.get("k8scluster-uuid"),
3214                             kdu_instance=kdu_instance,
3215                             vca_id=vca_id,
3216                         )
3217                     )
3218                 else:
3219                     self.logger.error(logging_text + "Unknown k8s deployment type {}".
3220                                       format(kdu.get("k8scluster-type")))
3221                     continue
3222                 tasks_dict_info[task_delete_kdu_instance] = "Terminating KDU '{}'".format(kdu.get("kdu-name"))
3223
3224             # remove from RO
3225             stage[1] = "Deleting ns from VIM."
3226             if self.ng_ro:
3227                 task_delete_ro = asyncio.ensure_future(
3228                     self._terminate_ng_ro(logging_text, nsr_deployed, nsr_id, nslcmop_id, stage))
3229             else:
3230                 task_delete_ro = asyncio.ensure_future(
3231                     self._terminate_RO(logging_text, nsr_deployed, nsr_id, nslcmop_id, stage))
3232             tasks_dict_info[task_delete_ro] = "Removing deployment from VIM"
3233
3234             # rest of staff will be done at finally
3235
3236         except (ROclient.ROClientException, DbException, LcmException, N2VCException) as e:
3237             self.logger.error(logging_text + "Exit Exception {}".format(e))
3238             exc = e
3239         except asyncio.CancelledError:
3240             self.logger.error(logging_text + "Cancelled Exception while '{}'".format(stage[1]))
3241             exc = "Operation was cancelled"
3242         except Exception as e:
3243             exc = traceback.format_exc()
3244             self.logger.critical(logging_text + "Exit Exception while '{}': {}".format(stage[1], e), exc_info=True)
3245         finally:
3246             if exc:
3247                 error_list.append(str(exc))
3248             try:
3249                 # wait for pending tasks
3250                 if tasks_dict_info:
3251                     stage[1] = "Waiting for terminate pending tasks."
3252                     self.logger.debug(logging_text + stage[1])
3253                     error_list += await self._wait_for_tasks(logging_text, tasks_dict_info, timeout_ns_terminate,
3254                                                              stage, nslcmop_id)
3255                 stage[1] = stage[2] = ""
3256             except asyncio.CancelledError:
3257                 error_list.append("Cancelled")
3258                 # TODO cancell all tasks
3259             except Exception as exc:
3260                 error_list.append(str(exc))
3261             # update status at database
3262             if error_list:
3263                 error_detail = "; ".join(error_list)
3264                 # self.logger.error(logging_text + error_detail)
3265                 error_description_nslcmop = '{} Detail: {}'.format(stage[0], error_detail)
3266                 error_description_nsr = 'Operation: TERMINATING.{}, {}.'.format(nslcmop_id, stage[0])
3267
3268                 db_nsr_update["operational-status"] = "failed"
3269                 db_nsr_update["detailed-status"] = error_description_nsr + " Detail: " + error_detail
3270                 db_nslcmop_update["detailed-status"] = error_detail
3271                 nslcmop_operation_state = "FAILED"
3272                 ns_state = "BROKEN"
3273             else:
3274                 error_detail = None
3275                 error_description_nsr = error_description_nslcmop = None
3276                 ns_state = "NOT_INSTANTIATED"
3277                 db_nsr_update["operational-status"] = "terminated"
3278                 db_nsr_update["detailed-status"] = "Done"
3279                 db_nsr_update["_admin.nsState"] = "NOT_INSTANTIATED"
3280                 db_nslcmop_update["detailed-status"] = "Done"
3281                 nslcmop_operation_state = "COMPLETED"
3282
3283             if db_nsr:
3284                 self._write_ns_status(
3285                     nsr_id=nsr_id,
3286                     ns_state=ns_state,
3287                     current_operation="IDLE",
3288                     current_operation_id=None,
3289                     error_description=error_description_nsr,
3290                     error_detail=error_detail,
3291                     other_update=db_nsr_update
3292                 )
3293             self._write_op_status(
3294                 op_id=nslcmop_id,
3295                 stage="",
3296                 error_message=error_description_nslcmop,
3297                 operation_state=nslcmop_operation_state,
3298                 other_update=db_nslcmop_update,
3299             )
3300             if ns_state == "NOT_INSTANTIATED":
3301                 try:
3302                     self.db.set_list("vnfrs", {"nsr-id-ref": nsr_id}, {"_admin.nsState": "NOT_INSTANTIATED"})
3303                 except DbException as e:
3304                     self.logger.warn(logging_text + 'Error writing VNFR status for nsr-id-ref: {} -> {}'.
3305                                      format(nsr_id, e))
3306             if operation_params:
3307                 autoremove = operation_params.get("autoremove", False)
3308             if nslcmop_operation_state:
3309                 try:
3310                     await self.msg.aiowrite("ns", "terminated", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,
3311                                                                  "operationState": nslcmop_operation_state,
3312                                                                  "autoremove": autoremove},
3313                                             loop=self.loop)
3314                 except Exception as e:
3315                     self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
3316
3317             self.logger.debug(logging_text + "Exit")
3318             self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_terminate")
3319
3320     async def _wait_for_tasks(self, logging_text, created_tasks_info, timeout, stage, nslcmop_id, nsr_id=None):
3321         time_start = time()
3322         error_detail_list = []
3323         error_list = []
3324         pending_tasks = list(created_tasks_info.keys())
3325         num_tasks = len(pending_tasks)
3326         num_done = 0
3327         stage[1] = "{}/{}.".format(num_done, num_tasks)
3328         self._write_op_status(nslcmop_id, stage)
3329         while pending_tasks:
3330             new_error = None
3331             _timeout = timeout + time_start - time()
3332             done, pending_tasks = await asyncio.wait(pending_tasks, timeout=_timeout,
3333                                                      return_when=asyncio.FIRST_COMPLETED)
3334             num_done += len(done)
3335             if not done:   # Timeout
3336                 for task in pending_tasks:
3337                     new_error = created_tasks_info[task] + ": Timeout"
3338                     error_detail_list.append(new_error)
3339                     error_list.append(new_error)
3340                 break
3341             for task in done:
3342                 if task.cancelled():
3343                     exc = "Cancelled"
3344                 else:
3345                     exc = task.exception()
3346                 if exc:
3347                     if isinstance(exc, asyncio.TimeoutError):
3348                         exc = "Timeout"
3349                     new_error = created_tasks_info[task] + ": {}".format(exc)
3350                     error_list.append(created_tasks_info[task])
3351                     error_detail_list.append(new_error)
3352                     if isinstance(exc, (str, DbException, N2VCException, ROclient.ROClientException, LcmException,
3353                                         K8sException, NgRoException)):
3354                         self.logger.error(logging_text + new_error)
3355                     else:
3356                         exc_traceback = "".join(traceback.format_exception(None, exc, exc.__traceback__))
3357                         self.logger.error(logging_text + created_tasks_info[task] + " " + exc_traceback)
3358                 else:
3359                     self.logger.debug(logging_text + created_tasks_info[task] + ": Done")
3360             stage[1] = "{}/{}.".format(num_done, num_tasks)
3361             if new_error:
3362                 stage[1] += " Errors: " + ". ".join(error_detail_list) + "."
3363                 if nsr_id:  # update also nsr
3364                     self.update_db_2("nsrs", nsr_id, {"errorDescription": "Error at: " + ", ".join(error_list),
3365                                                       "errorDetail": ". ".join(error_detail_list)})
3366             self._write_op_status(nslcmop_id, stage)
3367         return error_detail_list
3368
3369     @staticmethod
3370     def _map_primitive_params(primitive_desc, params, instantiation_params):
3371         """
3372         Generates the params to be provided to charm before executing primitive. If user does not provide a parameter,
3373         The default-value is used. If it is between < > it look for a value at instantiation_params
3374         :param primitive_desc: portion of VNFD/NSD that describes primitive
3375         :param params: Params provided by user
3376         :param instantiation_params: Instantiation params provided by user
3377         :return: a dictionary with the calculated params
3378         """
3379         calculated_params = {}
3380         for parameter in primitive_desc.get("parameter", ()):
3381             param_name = parameter["name"]
3382             if param_name in params:
3383                 calculated_params[param_name] = params[param_name]
3384             elif "default-value" in parameter or "value" in parameter:
3385                 if "value" in parameter:
3386                     calculated_params[param_name] = parameter["value"]
3387                 else:
3388                     calculated_params[param_name] = parameter["default-value"]
3389                 if isinstance(calculated_params[param_name], str) and calculated_params[param_name].startswith("<") \
3390                         and calculated_params[param_name].endswith(">"):
3391                     if calculated_params[param_name][1:-1] in instantiation_params:
3392                         calculated_params[param_name] = instantiation_params[calculated_params[param_name][1:-1]]
3393                     else:
3394                         raise LcmException("Parameter {} needed to execute primitive {} not provided".
3395                                            format(calculated_params[param_name], primitive_desc["name"]))
3396             else:
3397                 raise LcmException("Parameter {} needed to execute primitive {} not provided".
3398                                    format(param_name, primitive_desc["name"]))
3399
3400             if isinstance(calculated_params[param_name], (dict, list, tuple)):
3401                 calculated_params[param_name] = yaml.safe_dump(calculated_params[param_name],
3402                                                                default_flow_style=True, width=256)
3403             elif isinstance(calculated_params[param_name], str) and calculated_params[param_name].startswith("!!yaml "):
3404                 calculated_params[param_name] = calculated_params[param_name][7:]
3405             if parameter.get("data-type") == "INTEGER":
3406                 try:
3407                     calculated_params[param_name] = int(calculated_params[param_name])
3408                 except ValueError:  # error converting string to int
3409                     raise LcmException(
3410                         "Parameter {} of primitive {} must be integer".format(param_name, primitive_desc["name"]))
3411             elif parameter.get("data-type") == "BOOLEAN":
3412                 calculated_params[param_name] = not ((str(calculated_params[param_name])).lower() == 'false')
3413
3414         # add always ns_config_info if primitive name is config
3415         if primitive_desc["name"] == "config":
3416             if "ns_config_info" in instantiation_params:
3417                 calculated_params["ns_config_info"] = instantiation_params["ns_config_info"]
3418         return calculated_params
3419
3420     def _look_for_deployed_vca(self, deployed_vca, member_vnf_index, vdu_id, vdu_count_index, kdu_name=None,
3421                                ee_descriptor_id=None):
3422         # find vca_deployed record for this action. Raise LcmException if not found or there is not any id.
3423         for vca in deployed_vca:
3424             if not vca:
3425                 continue
3426             if member_vnf_index != vca["member-vnf-index"] or vdu_id != vca["vdu_id"]:
3427                 continue
3428             if vdu_count_index is not None and vdu_count_index != vca["vdu_count_index"]:
3429                 continue
3430             if kdu_name and kdu_name != vca["kdu_name"]:
3431                 continue
3432             if ee_descriptor_id and ee_descriptor_id != vca["ee_descriptor_id"]:
3433                 continue
3434             break
3435         else:
3436             # vca_deployed not found
3437             raise LcmException("charm for member_vnf_index={} vdu_id={}.{} kdu_name={} execution-environment-list.id={}"
3438                                " is not deployed".format(member_vnf_index, vdu_id, vdu_count_index, kdu_name,
3439                                                          ee_descriptor_id))
3440         # get ee_id
3441         ee_id = vca.get("ee_id")
3442         vca_type = vca.get("type", "lxc_proxy_charm")  # default value for backward compatibility - proxy charm
3443         if not ee_id:
3444             raise LcmException("charm for member_vnf_index={} vdu_id={} kdu_name={} vdu_count_index={} has not "
3445                                "execution environment"
3446                                .format(member_vnf_index, vdu_id, kdu_name, vdu_count_index))
3447         return ee_id, vca_type
3448
3449     async def _ns_execute_primitive(
3450         self,
3451         ee_id,
3452         primitive,
3453         primitive_params,
3454         retries=0,
3455         retries_interval=30,
3456         timeout=None,
3457         vca_type=None,
3458         db_dict=None,
3459         vca_id: str = None,
3460     ) -> (str, str):
3461         try:
3462             if primitive == "config":
3463                 primitive_params = {"params": primitive_params}
3464
3465             vca_type = vca_type or "lxc_proxy_charm"
3466
3467             while retries >= 0:
3468                 try:
3469                     output = await asyncio.wait_for(
3470                         self.vca_map[vca_type].exec_primitive(
3471                             ee_id=ee_id,
3472                             primitive_name=primitive,
3473                             params_dict=primitive_params,
3474                             progress_timeout=self.timeout_progress_primitive,
3475                             total_timeout=self.timeout_primitive,
3476                             db_dict=db_dict,
3477                             vca_id=vca_id,
3478                         ),
3479                         timeout=timeout or self.timeout_primitive)
3480                     # execution was OK
3481                     break
3482                 except asyncio.CancelledError:
3483                     raise
3484                 except Exception as e:  # asyncio.TimeoutError
3485                     if isinstance(e, asyncio.TimeoutError):
3486                         e = "Timeout"
3487                     retries -= 1
3488                     if retries >= 0:
3489                         self.logger.debug('Error executing action {} on {} -> {}'.format(primitive, ee_id, e))
3490                         # wait and retry
3491                         await asyncio.sleep(retries_interval, loop=self.loop)
3492                     else:
3493                         return 'FAILED', str(e)
3494
3495             return 'COMPLETED', output
3496
3497         except (LcmException, asyncio.CancelledError):
3498             raise
3499         except Exception as e:
3500             return 'FAIL', 'Error executing action {}: {}'.format(primitive, e)
3501
3502     async def vca_status_refresh(self, nsr_id, nslcmop_id):
3503         """
3504         Updating the vca_status with latest juju information in nsrs record
3505         :param: nsr_id: Id of the nsr
3506         :param: nslcmop_id: Id of the nslcmop
3507         :return: None
3508         """
3509
3510         self.logger.debug("Task ns={} action={} Enter".format(nsr_id, nslcmop_id))
3511         db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
3512         vca_id = self.get_vca_id({}, db_nsr)
3513         if db_nsr['_admin']['deployed']['K8s']:
3514             for k8s_index, k8s in enumerate(db_nsr['_admin']['deployed']['K8s']):
3515                 cluster_uuid, kdu_instance = k8s["k8scluster-uuid"], k8s["kdu-instance"]
3516                 await self._on_update_k8s_db(cluster_uuid, kdu_instance, filter={'_id': nsr_id}, vca_id=vca_id)
3517         else:
3518             for vca_index, _ in enumerate(db_nsr['_admin']['deployed']['VCA']):
3519                 table, filter = "nsrs", {"_id": nsr_id}
3520                 path = "_admin.deployed.VCA.{}.".format(vca_index)
3521                 await self._on_update_n2vc_db(table, filter, path, {})
3522
3523         self.logger.debug("Task ns={} action={} Exit".format(nsr_id, nslcmop_id))
3524         self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_vca_status_refresh")
3525
3526     async def action(self, nsr_id, nslcmop_id):
3527         # Try to lock HA task here
3528         task_is_locked_by_me = self.lcm_tasks.lock_HA('ns', 'nslcmops', nslcmop_id)
3529         if not task_is_locked_by_me:
3530             return
3531
3532         logging_text = "Task ns={} action={} ".format(nsr_id, nslcmop_id)
3533         self.logger.debug(logging_text + "Enter")
3534         # get all needed from database
3535         db_nsr = None
3536         db_nslcmop = None
3537         db_nsr_update = {}
3538         db_nslcmop_update = {}
3539         nslcmop_operation_state = None
3540         error_description_nslcmop = None
3541         exc = None
3542         try:
3543             # wait for any previous tasks in process
3544             step = "Waiting for previous operations to terminate"
3545             await self.lcm_tasks.waitfor_related_HA('ns', 'nslcmops', nslcmop_id)
3546
3547             self._write_ns_status(
3548                 nsr_id=nsr_id,
3549                 ns_state=None,
3550                 current_operation="RUNNING ACTION",
3551                 current_operation_id=nslcmop_id
3552             )
3553
3554             step = "Getting information from database"
3555             db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
3556             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
3557
3558             nsr_deployed = db_nsr["_admin"].get("deployed")
3559             vnf_index = db_nslcmop["operationParams"].get("member_vnf_index")
3560             vdu_id = db_nslcmop["operationParams"].get("vdu_id")
3561             kdu_name = db_nslcmop["operationParams"].get("kdu_name")
3562             vdu_count_index = db_nslcmop["operationParams"].get("vdu_count_index")
3563             primitive = db_nslcmop["operationParams"]["primitive"]
3564             primitive_params = db_nslcmop["operationParams"]["primitive_params"]
3565             timeout_ns_action = db_nslcmop["operationParams"].get("timeout_ns_action", self.timeout_primitive)
3566
3567             if vnf_index:
3568                 step = "Getting vnfr from database"
3569                 db_vnfr = self.db.get_one("vnfrs", {"member-vnf-index-ref": vnf_index, "nsr-id-ref": nsr_id})
3570                 step = "Getting vnfd from database"
3571                 db_vnfd = self.db.get_one("vnfds", {"_id": db_vnfr["vnfd-id"]})
3572             else:
3573                 step = "Getting nsd from database"
3574                 db_nsd = self.db.get_one("nsds", {"_id": db_nsr["nsd-id"]})
3575
3576             vca_id = self.get_vca_id(db_vnfr, db_nsr)
3577             # for backward compatibility
3578             if nsr_deployed and isinstance(nsr_deployed.get("VCA"), dict):
3579                 nsr_deployed["VCA"] = list(nsr_deployed["VCA"].values())
3580                 db_nsr_update["_admin.deployed.VCA"] = nsr_deployed["VCA"]
3581                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
3582
3583             # look for primitive
3584             config_primitive_desc = descriptor_configuration = None
3585             if vdu_id:
3586                 descriptor_configuration = get_configuration(db_vnfd, vdu_id)
3587             elif kdu_name:
3588                 descriptor_configuration = get_configuration(db_vnfd, kdu_name)
3589             elif vnf_index:
3590                 descriptor_configuration = get_configuration(db_vnfd, db_vnfd["id"])
3591             else:
3592                 descriptor_configuration = db_nsd.get("ns-configuration")
3593
3594             if descriptor_configuration and descriptor_configuration.get("config-primitive"):
3595                 for config_primitive in descriptor_configuration["config-primitive"]:
3596                     if config_primitive["name"] == primitive:
3597                         config_primitive_desc = config_primitive
3598                         break
3599
3600             if not config_primitive_desc:
3601                 if not (kdu_name and primitive in ("upgrade", "rollback", "status")):
3602                     raise LcmException("Primitive {} not found at [ns|vnf|vdu]-configuration:config-primitive ".
3603                                        format(primitive))
3604                 primitive_name = primitive
3605                 ee_descriptor_id = None
3606             else:
3607                 primitive_name = config_primitive_desc.get("execution-environment-primitive", primitive)
3608                 ee_descriptor_id = config_primitive_desc.get("execution-environment-ref")
3609
3610             if vnf_index:
3611                 if vdu_id:
3612                     vdur = next((x for x in db_vnfr["vdur"] if x["vdu-id-ref"] == vdu_id), None)
3613                     desc_params = parse_yaml_strings(vdur.get("additionalParams"))
3614                 elif kdu_name:
3615                     kdur = next((x for x in db_vnfr["kdur"] if x["kdu-name"] == kdu_name), None)
3616                     desc_params = parse_yaml_strings(kdur.get("additionalParams"))
3617                 else:
3618                     desc_params = parse_yaml_strings(db_vnfr.get("additionalParamsForVnf"))
3619             else:
3620                 desc_params = parse_yaml_strings(db_nsr.get("additionalParamsForNs"))
3621             if kdu_name and get_configuration(db_vnfd, kdu_name):
3622                 kdu_configuration = get_configuration(db_vnfd, kdu_name)
3623                 actions = set()
3624                 for primitive in kdu_configuration.get("initial-config-primitive", []):
3625                     actions.add(primitive["name"])
3626                 for primitive in kdu_configuration.get("config-primitive", []):
3627                     actions.add(primitive["name"])
3628                 kdu_action = True if primitive_name in actions else False
3629
3630             # TODO check if ns is in a proper status
3631             if kdu_name and (primitive_name in ("upgrade", "rollback", "status") or kdu_action):
3632                 # kdur and desc_params already set from before
3633                 if primitive_params:
3634                     desc_params.update(primitive_params)
3635                 # TODO Check if we will need something at vnf level
3636                 for index, kdu in enumerate(get_iterable(nsr_deployed, "K8s")):
3637                     if kdu_name == kdu["kdu-name"] and kdu["member-vnf-index"] == vnf_index:
3638                         break
3639                 else:
3640                     raise LcmException("KDU '{}' for vnf '{}' not deployed".format(kdu_name, vnf_index))
3641
3642                 if kdu.get("k8scluster-type") not in self.k8scluster_map:
3643                     msg = "unknown k8scluster-type '{}'".format(kdu.get("k8scluster-type"))
3644                     raise LcmException(msg)
3645
3646                 db_dict = {"collection": "nsrs",
3647                            "filter": {"_id": nsr_id},
3648                            "path": "_admin.deployed.K8s.{}".format(index)}
3649                 self.logger.debug(logging_text + "Exec k8s {} on {}.{}".format(primitive_name, vnf_index, kdu_name))
3650                 step = "Executing kdu {}".format(primitive_name)
3651                 if primitive_name == "upgrade":
3652                     if desc_params.get("kdu_model"):
3653                         kdu_model = desc_params.get("kdu_model")
3654                         del desc_params["kdu_model"]
3655                     else:
3656                         kdu_model = kdu.get("kdu-model")
3657                         parts = kdu_model.split(sep=":")
3658                         if len(parts) == 2:
3659                             kdu_model = parts[0]
3660
3661                     detailed_status = await asyncio.wait_for(
3662                         self.k8scluster_map[kdu["k8scluster-type"]].upgrade(
3663                             cluster_uuid=kdu.get("k8scluster-uuid"),
3664                             kdu_instance=kdu.get("kdu-instance"),
3665                             atomic=True, kdu_model=kdu_model,
3666                             params=desc_params, db_dict=db_dict,
3667                             timeout=timeout_ns_action),
3668                         timeout=timeout_ns_action + 10)
3669                     self.logger.debug(logging_text + " Upgrade of kdu {} done".format(detailed_status))
3670                 elif primitive_name == "rollback":
3671                     detailed_status = await asyncio.wait_for(
3672                         self.k8scluster_map[kdu["k8scluster-type"]].rollback(
3673                             cluster_uuid=kdu.get("k8scluster-uuid"),
3674                             kdu_instance=kdu.get("kdu-instance"),
3675                             db_dict=db_dict),
3676                         timeout=timeout_ns_action)
3677                 elif primitive_name == "status":
3678                     detailed_status = await asyncio.wait_for(
3679                         self.k8scluster_map[kdu["k8scluster-type"]].status_kdu(
3680                             cluster_uuid=kdu.get("k8scluster-uuid"),
3681                             kdu_instance=kdu.get("kdu-instance"),
3682                             vca_id=vca_id,
3683                         ),
3684                         timeout=timeout_ns_action
3685                     )
3686                 else:
3687                     kdu_instance = kdu.get("kdu-instance") or "{}-{}".format(kdu["kdu-name"], nsr_id)
3688                     params = self._map_primitive_params(config_primitive_desc, primitive_params, desc_params)
3689
3690                     detailed_status = await asyncio.wait_for(
3691                         self.k8scluster_map[kdu["k8scluster-type"]].exec_primitive(
3692                             cluster_uuid=kdu.get("k8scluster-uuid"),
3693                             kdu_instance=kdu_instance,
3694                             primitive_name=primitive_name,
3695                             params=params, db_dict=db_dict,
3696                             timeout=timeout_ns_action,
3697                             vca_id=vca_id,
3698                         ),
3699                         timeout=timeout_ns_action
3700                     )
3701
3702                 if detailed_status:
3703                     nslcmop_operation_state = 'COMPLETED'
3704                 else:
3705                     detailed_status = ''
3706                     nslcmop_operation_state = 'FAILED'
3707             else:
3708                 ee_id, vca_type = self._look_for_deployed_vca(nsr_deployed["VCA"], member_vnf_index=vnf_index,
3709                                                               vdu_id=vdu_id, vdu_count_index=vdu_count_index,
3710                                                               ee_descriptor_id=ee_descriptor_id)
3711                 for vca_index, vca_deployed in enumerate(db_nsr['_admin']['deployed']['VCA']):
3712                     if vca_deployed.get("member-vnf-index") == vnf_index:
3713                         db_dict = {"collection": "nsrs",
3714                                    "filter": {"_id": nsr_id},
3715                                    "path": "_admin.deployed.VCA.{}.".format(vca_index)}
3716                         break
3717                 nslcmop_operation_state, detailed_status = await self._ns_execute_primitive(
3718                     ee_id,
3719                     primitive=primitive_name,
3720                     primitive_params=self._map_primitive_params(config_primitive_desc, primitive_params, desc_params),
3721                     timeout=timeout_ns_action,
3722                     vca_type=vca_type,
3723                     db_dict=db_dict,
3724                     vca_id=vca_id,
3725                 )
3726
3727             db_nslcmop_update["detailed-status"] = detailed_status
3728             error_description_nslcmop = detailed_status if nslcmop_operation_state == "FAILED" else ""
3729             self.logger.debug(logging_text + " task Done with result {} {}".format(nslcmop_operation_state,
3730                                                                                    detailed_status))
3731             return  # database update is called inside finally
3732
3733         except (DbException, LcmException, N2VCException, K8sException) as e:
3734             self.logger.error(logging_text + "Exit Exception {}".format(e))
3735             exc = e
3736         except asyncio.CancelledError:
3737             self.logger.error(logging_text + "Cancelled Exception while '{}'".format(step))
3738             exc = "Operation was cancelled"
3739         except asyncio.TimeoutError:
3740             self.logger.error(logging_text + "Timeout while '{}'".format(step))
3741             exc = "Timeout"
3742         except Exception as e:
3743             exc = traceback.format_exc()
3744             self.logger.critical(logging_text + "Exit Exception {} {}".format(type(e).__name__, e), exc_info=True)
3745         finally:
3746             if exc:
3747                 db_nslcmop_update["detailed-status"] = detailed_status = error_description_nslcmop = \
3748                     "FAILED {}: {}".format(step, exc)
3749                 nslcmop_operation_state = "FAILED"
3750             if db_nsr:
3751                 self._write_ns_status(
3752                     nsr_id=nsr_id,
3753                     ns_state=db_nsr["nsState"],   # TODO check if degraded. For the moment use previous status
3754                     current_operation="IDLE",
3755                     current_operation_id=None,
3756                     # error_description=error_description_nsr,
3757                     # error_detail=error_detail,
3758                     other_update=db_nsr_update
3759                 )
3760
3761             self._write_op_status(op_id=nslcmop_id, stage="", error_message=error_description_nslcmop,
3762                                   operation_state=nslcmop_operation_state, other_update=db_nslcmop_update)
3763
3764             if nslcmop_operation_state:
3765                 try:
3766                     await self.msg.aiowrite("ns", "actioned", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,
3767                                                                "operationState": nslcmop_operation_state},
3768                                             loop=self.loop)
3769                 except Exception as e:
3770                     self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
3771             self.logger.debug(logging_text + "Exit")
3772             self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_action")
3773             return nslcmop_operation_state, detailed_status
3774
3775     async def scale(self, nsr_id, nslcmop_id):
3776         # Try to lock HA task here
3777         task_is_locked_by_me = self.lcm_tasks.lock_HA('ns', 'nslcmops', nslcmop_id)
3778         if not task_is_locked_by_me:
3779             return
3780
3781         logging_text = "Task ns={} scale={} ".format(nsr_id, nslcmop_id)
3782         stage = ['', '', '']
3783         tasks_dict_info = {}
3784         # ^ stage, step, VIM progress
3785         self.logger.debug(logging_text + "Enter")
3786         # get all needed from database
3787         db_nsr = None
3788         db_nslcmop_update = {}
3789         db_nsr_update = {}
3790         exc = None
3791         # in case of error, indicates what part of scale was failed to put nsr at error status
3792         scale_process = None
3793         old_operational_status = ""
3794         old_config_status = ""
3795         nsi_id = None
3796         try:
3797             # wait for any previous tasks in process
3798             step = "Waiting for previous operations to terminate"
3799             await self.lcm_tasks.waitfor_related_HA('ns', 'nslcmops', nslcmop_id)
3800             self._write_ns_status(nsr_id=nsr_id, ns_state=None,
3801                                   current_operation="SCALING", current_operation_id=nslcmop_id)
3802
3803             step = "Getting nslcmop from database"
3804             self.logger.debug(step + " after having waited for previous tasks to be completed")
3805             db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
3806
3807             step = "Getting nsr from database"
3808             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
3809             old_operational_status = db_nsr["operational-status"]
3810             old_config_status = db_nsr["config-status"]
3811
3812             step = "Parsing scaling parameters"
3813             db_nsr_update["operational-status"] = "scaling"
3814             self.update_db_2("nsrs", nsr_id, db_nsr_update)
3815             nsr_deployed = db_nsr["_admin"].get("deployed")
3816
3817             #######
3818             nsr_deployed = db_nsr["_admin"].get("deployed")
3819             vnf_index = db_nslcmop["operationParams"].get("member_vnf_index")
3820             # vdu_id = db_nslcmop["operationParams"].get("vdu_id")
3821             # vdu_count_index = db_nslcmop["operationParams"].get("vdu_count_index")
3822             # vdu_name = db_nslcmop["operationParams"].get("vdu_name")
3823             #######
3824
3825             vnf_index = db_nslcmop["operationParams"]["scaleVnfData"]["scaleByStepData"]["member-vnf-index"]
3826             scaling_group = db_nslcmop["operationParams"]["scaleVnfData"]["scaleByStepData"]["scaling-group-descriptor"]
3827             scaling_type = db_nslcmop["operationParams"]["scaleVnfData"]["scaleVnfType"]
3828             # for backward compatibility
3829             if nsr_deployed and isinstance(nsr_deployed.get("VCA"), dict):
3830                 nsr_deployed["VCA"] = list(nsr_deployed["VCA"].values())
3831                 db_nsr_update["_admin.deployed.VCA"] = nsr_deployed["VCA"]
3832                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
3833
3834             step = "Getting vnfr from database"
3835             db_vnfr = self.db.get_one("vnfrs", {"member-vnf-index-ref": vnf_index, "nsr-id-ref": nsr_id})
3836
3837             vca_id = self.get_vca_id(db_vnfr, db_nsr)
3838
3839             step = "Getting vnfd from database"
3840             db_vnfd = self.db.get_one("vnfds", {"_id": db_vnfr["vnfd-id"]})
3841
3842             base_folder = db_vnfd["_admin"]["storage"]
3843
3844             step = "Getting scaling-group-descriptor"
3845             scaling_descriptor = find_in_list(
3846                 get_scaling_aspect(
3847                     db_vnfd
3848                 ),
3849                 lambda scale_desc: scale_desc["name"] == scaling_group
3850             )
3851             if not scaling_descriptor:
3852                 raise LcmException("input parameter 'scaleByStepData':'scaling-group-descriptor':'{}' is not present "
3853                                    "at vnfd:scaling-group-descriptor".format(scaling_group))
3854
3855             step = "Sending scale order to VIM"
3856             # TODO check if ns is in a proper status
3857             nb_scale_op = 0
3858             if not db_nsr["_admin"].get("scaling-group"):
3859                 self.update_db_2("nsrs", nsr_id, {"_admin.scaling-group": [{"name": scaling_group, "nb-scale-op": 0}]})
3860                 admin_scale_index = 0
3861             else:
3862                 for admin_scale_index, admin_scale_info in enumerate(db_nsr["_admin"]["scaling-group"]):
3863                     if admin_scale_info["name"] == scaling_group:
3864                         nb_scale_op = admin_scale_info.get("nb-scale-op", 0)
3865                         break
3866                 else:  # not found, set index one plus last element and add new entry with the name
3867                     admin_scale_index += 1
3868                     db_nsr_update["_admin.scaling-group.{}.name".format(admin_scale_index)] = scaling_group
3869             RO_scaling_info = []
3870             VCA_scaling_info = []
3871             vdu_scaling_info = {"scaling_group_name": scaling_group, "vdu": []}
3872             if scaling_type == "SCALE_OUT":
3873                 if "aspect-delta-details" not in scaling_descriptor:
3874                     raise LcmException(
3875                         "Aspect delta details not fount in scaling descriptor {}".format(
3876                             scaling_descriptor["name"]
3877                         )
3878                     )
3879                 # count if max-instance-count is reached
3880                 deltas = scaling_descriptor.get("aspect-delta-details")["deltas"]
3881
3882                 vdu_scaling_info["scaling_direction"] = "OUT"
3883                 vdu_scaling_info["vdu-create"] = {}
3884                 for delta in deltas:
3885                     for vdu_delta in delta["vdu-delta"]:
3886                         vdud = get_vdu(db_vnfd, vdu_delta["id"])
3887                         vdu_index = get_vdur_index(db_vnfr, vdu_delta)
3888                         cloud_init_text = self._get_vdu_cloud_init_content(vdud, db_vnfd)
3889                         if cloud_init_text:
3890                             additional_params = self._get_vdu_additional_params(db_vnfr, vdud["id"]) or {}
3891                         cloud_init_list = []
3892
3893                         vdu_profile = get_vdu_profile(db_vnfd, vdu_delta["id"])
3894                         max_instance_count = 10
3895                         if vdu_profile and "max-number-of-instances" in vdu_profile:
3896                             max_instance_count = vdu_profile.get("max-number-of-instances", 10)
3897
3898                         default_instance_num = get_number_of_instances(db_vnfd, vdud["id"])
3899
3900                         nb_scale_op += vdu_delta.get("number-of-instances", 1)
3901
3902                         if nb_scale_op + default_instance_num > max_instance_count:
3903                             raise LcmException(
3904                                 "reached the limit of {} (max-instance-count) "
3905                                 "scaling-out operations for the "
3906                                 "scaling-group-descriptor '{}'".format(nb_scale_op, scaling_group)
3907                             )
3908                         for x in range(vdu_delta.get("number-of-instances", 1)):
3909                             if cloud_init_text:
3910                                 # TODO Information of its own ip is not available because db_vnfr is not updated.
3911                                 additional_params["OSM"] = get_osm_params(
3912                                     db_vnfr,
3913                                     vdu_delta["id"],
3914                                     vdu_index + x
3915                                 )
3916                                 cloud_init_list.append(
3917                                     self._parse_cloud_init(
3918                                         cloud_init_text,
3919                                         additional_params,
3920                                         db_vnfd["id"],
3921                                         vdud["id"]
3922                                     )
3923                                 )
3924                                 VCA_scaling_info.append(
3925                                     {
3926                                         "osm_vdu_id": vdu_delta["id"],
3927                                         "member-vnf-index": vnf_index,
3928                                         "type": "create",
3929                                         "vdu_index": vdu_index + x
3930                                     }
3931                                 )
3932                         RO_scaling_info.append(
3933                             {
3934                                 "osm_vdu_id": vdu_delta["id"],
3935                                 "member-vnf-index": vnf_index,
3936                                 "type": "create",
3937                                 "count": vdu_delta.get("number-of-instances", 1)
3938                             }
3939                         )
3940                         if cloud_init_list:
3941                             RO_scaling_info[-1]["cloud_init"] = cloud_init_list
3942                         vdu_scaling_info["vdu-create"][vdu_delta["id"]] = vdu_delta.get("number-of-instances", 1)
3943
3944             elif scaling_type == "SCALE_IN":
3945                 if "min-instance-count" in scaling_descriptor and scaling_descriptor["min-instance-count"] is not None:
3946                     min_instance_count = int(scaling_descriptor["min-instance-count"])
3947
3948                 vdu_scaling_info["scaling_direction"] = "IN"
3949                 vdu_scaling_info["vdu-delete"] = {}
3950                 deltas = scaling_descriptor.get("aspect-delta-details")["deltas"]
3951                 for delta in deltas:
3952                     for vdu_delta in delta["vdu-delta"]:
3953                         vdu_index = get_vdur_index(db_vnfr, vdu_delta)
3954                         min_instance_count = 0
3955                         vdu_profile = get_vdu_profile(db_vnfd, vdu_delta["id"])
3956                         if vdu_profile and "min-number-of-instances" in vdu_profile:
3957                             min_instance_count = vdu_profile["min-number-of-instances"]
3958
3959                         default_instance_num = get_number_of_instances(db_vnfd, vdu_delta["id"])
3960
3961                         nb_scale_op -= vdu_delta.get("number-of-instances", 1)
3962                         if nb_scale_op + default_instance_num < min_instance_count:
3963                             raise LcmException(
3964                                 "reached the limit of {} (min-instance-count) scaling-in operations for the "
3965                                 "scaling-group-descriptor '{}'".format(nb_scale_op, scaling_group)
3966                             )
3967                         RO_scaling_info.append({"osm_vdu_id": vdu_delta["id"], "member-vnf-index": vnf_index,
3968                                                 "type": "delete", "count": vdu_delta.get("number-of-instances", 1),
3969                                                 "vdu_index": vdu_index - 1})
3970                         for x in range(vdu_delta.get("number-of-instances", 1)):
3971                             VCA_scaling_info.append(
3972                                 {
3973                                     "osm_vdu_id": vdu_delta["id"],
3974                                     "member-vnf-index": vnf_index,
3975                                     "type": "delete",
3976                                     "vdu_index": vdu_index - 1 - x
3977                                 }
3978                             )
3979                         vdu_scaling_info["vdu-delete"][vdu_delta["id"]] = vdu_delta.get("number-of-instances", 1)
3980
3981             # update VDU_SCALING_INFO with the VDUs to delete ip_addresses
3982             vdu_delete = copy(vdu_scaling_info.get("vdu-delete"))
3983             if vdu_scaling_info["scaling_direction"] == "IN":
3984                 for vdur in reversed(db_vnfr["vdur"]):
3985                     if vdu_delete.get(vdur["vdu-id-ref"]):
3986                         vdu_delete[vdur["vdu-id-ref"]] -= 1
3987                         vdu_scaling_info["vdu"].append({
3988                             "name": vdur.get("name") or vdur.get("vdu-name"),
3989                             "vdu_id": vdur["vdu-id-ref"],
3990                             "interface": []
3991                         })
3992                         for interface in vdur["interfaces"]:
3993                             vdu_scaling_info["vdu"][-1]["interface"].append({
3994                                 "name": interface["name"],
3995                                 "ip_address": interface["ip-address"],
3996                                 "mac_address": interface.get("mac-address"),
3997                             })
3998                 # vdu_delete = vdu_scaling_info.pop("vdu-delete")
3999
4000             # PRE-SCALE BEGIN
4001             step = "Executing pre-scale vnf-config-primitive"
4002             if scaling_descriptor.get("scaling-config-action"):
4003                 for scaling_config_action in scaling_descriptor["scaling-config-action"]:
4004                     if (scaling_config_action.get("trigger") == "pre-scale-in" and scaling_type == "SCALE_IN") \
4005                        or (scaling_config_action.get("trigger") == "pre-scale-out" and scaling_type == "SCALE_OUT"):
4006                         vnf_config_primitive = scaling_config_action["vnf-config-primitive-name-ref"]
4007                         step = db_nslcmop_update["detailed-status"] = \
4008                             "executing pre-scale scaling-config-action '{}'".format(vnf_config_primitive)
4009
4010                         # look for primitive
4011                         for config_primitive in (get_configuration(
4012                             db_vnfd, db_vnfd["id"]
4013                         ) or {}).get("config-primitive", ()):
4014                             if config_primitive["name"] == vnf_config_primitive:
4015                                 break
4016                         else:
4017                             raise LcmException(
4018                                 "Invalid vnfd descriptor at scaling-group-descriptor[name='{}']:scaling-config-action"
4019                                 "[vnf-config-primitive-name-ref='{}'] does not match any vnf-configuration:config-"
4020                                 "primitive".format(scaling_group, vnf_config_primitive))
4021
4022                         vnfr_params = {"VDU_SCALE_INFO": vdu_scaling_info}
4023                         if db_vnfr.get("additionalParamsForVnf"):
4024                             vnfr_params.update(db_vnfr["additionalParamsForVnf"])
4025
4026                         scale_process = "VCA"
4027                         db_nsr_update["config-status"] = "configuring pre-scaling"
4028                         primitive_params = self._map_primitive_params(config_primitive, {}, vnfr_params)
4029
4030                         # Pre-scale retry check: Check if this sub-operation has been executed before
4031                         op_index = self._check_or_add_scale_suboperation(
4032                             db_nslcmop, nslcmop_id, vnf_index, vnf_config_primitive, primitive_params, 'PRE-SCALE')
4033                         if op_index == self.SUBOPERATION_STATUS_SKIP:
4034                             # Skip sub-operation
4035                             result = 'COMPLETED'
4036                             result_detail = 'Done'
4037                             self.logger.debug(logging_text +
4038                                               "vnf_config_primitive={} Skipped sub-operation, result {} {}".format(
4039                                                   vnf_config_primitive, result, result_detail))
4040                         else:
4041                             if op_index == self.SUBOPERATION_STATUS_NEW:
4042                                 # New sub-operation: Get index of this sub-operation
4043                                 op_index = len(db_nslcmop.get('_admin', {}).get('operations')) - 1
4044                                 self.logger.debug(logging_text + "vnf_config_primitive={} New sub-operation".
4045                                                   format(vnf_config_primitive))
4046                             else:
4047                                 # retry:  Get registered params for this existing sub-operation
4048                                 op = db_nslcmop.get('_admin', {}).get('operations', [])[op_index]
4049                                 vnf_index = op.get('member_vnf_index')
4050                                 vnf_config_primitive = op.get('primitive')
4051                                 primitive_params = op.get('primitive_params')
4052                                 self.logger.debug(logging_text + "vnf_config_primitive={} Sub-operation retry".
4053                                                   format(vnf_config_primitive))
4054                             # Execute the primitive, either with new (first-time) or registered (reintent) args
4055                             ee_descriptor_id = config_primitive.get("execution-environment-ref")
4056                             primitive_name = config_primitive.get("execution-environment-primitive",
4057                                                                   vnf_config_primitive)
4058                             ee_id, vca_type = self._look_for_deployed_vca(nsr_deployed["VCA"],
4059                                                                           member_vnf_index=vnf_index,
4060                                                                           vdu_id=None,
4061                                                                           vdu_count_index=None,
4062                                                                           ee_descriptor_id=ee_descriptor_id)
4063                             result, result_detail = await self._ns_execute_primitive(
4064                                 ee_id, primitive_name,
4065                                 primitive_params,
4066                                 vca_type=vca_type,
4067                                 vca_id=vca_id,
4068                             )
4069                             self.logger.debug(logging_text + "vnf_config_primitive={} Done with result {} {}".format(
4070                                 vnf_config_primitive, result, result_detail))
4071                             # Update operationState = COMPLETED | FAILED
4072                             self._update_suboperation_status(
4073                                 db_nslcmop, op_index, result, result_detail)
4074
4075                         if result == "FAILED":
4076                             raise LcmException(result_detail)
4077                         db_nsr_update["config-status"] = old_config_status
4078                         scale_process = None
4079             # PRE-SCALE END
4080
4081             db_nsr_update["_admin.scaling-group.{}.nb-scale-op".format(admin_scale_index)] = nb_scale_op
4082             db_nsr_update["_admin.scaling-group.{}.time".format(admin_scale_index)] = time()
4083
4084             # SCALE-IN VCA - BEGIN
4085             if VCA_scaling_info:
4086                 step = db_nslcmop_update["detailed-status"] = \
4087                     "Deleting the execution environments"
4088                 scale_process = "VCA"
4089                 for vdu_info in VCA_scaling_info:
4090                     if vdu_info["type"] == "delete":
4091                         member_vnf_index = str(vdu_info["member-vnf-index"])
4092                         self.logger.debug(logging_text + "vdu info: {}".format(vdu_info))
4093                         vdu_id = vdu_info["osm_vdu_id"]
4094                         vdu_index = int(vdu_info["vdu_index"])
4095                         stage[1] = "Scaling member_vnf_index={}, vdu_id={}, vdu_index={} ".format(
4096                             member_vnf_index, vdu_id, vdu_index)
4097                         stage[2] = step = "Scaling in VCA"
4098                         self._write_op_status(
4099                             op_id=nslcmop_id,
4100                             stage=stage
4101                         )
4102                         vca_update = db_nsr["_admin"]["deployed"]["VCA"]
4103                         config_update = db_nsr["configurationStatus"]
4104                         for vca_index, vca in enumerate(vca_update):
4105                             if (vca or vca.get("ee_id")) and vca["member-vnf-index"] == member_vnf_index and \
4106                                     vca["vdu_count_index"] == vdu_index:
4107                                 if vca.get("vdu_id"):
4108                                     config_descriptor = get_configuration(db_vnfd, vca.get("vdu_id"))
4109                                 elif vca.get("kdu_name"):
4110                                     config_descriptor = get_configuration(db_vnfd, vca.get("kdu_name"))
4111                                 else:
4112                                     config_descriptor = get_configuration(db_vnfd, db_vnfd["id"])
4113                                 operation_params = db_nslcmop.get("operationParams") or {}
4114                                 exec_terminate_primitives = (not operation_params.get("skip_terminate_primitives") and
4115                                                              vca.get("needed_terminate"))
4116                                 task = asyncio.ensure_future(
4117                                     asyncio.wait_for(
4118                                         self.destroy_N2VC(
4119                                             logging_text,
4120                                             db_nslcmop,
4121                                             vca,
4122                                             config_descriptor,
4123                                             vca_index,
4124                                             destroy_ee=True,
4125                                             exec_primitives=exec_terminate_primitives,
4126                                             scaling_in=True,
4127                                             vca_id=vca_id,
4128                                         ),
4129                                         timeout=self.timeout_charm_delete
4130                                     )
4131                                 )
4132                                 tasks_dict_info[task] = "Terminating VCA {}".format(vca.get("ee_id"))
4133                                 del vca_update[vca_index]
4134                                 del config_update[vca_index]
4135                         # wait for pending tasks of terminate primitives
4136                         if tasks_dict_info:
4137                             self.logger.debug(logging_text +
4138                                               'Waiting for tasks {}'.format(list(tasks_dict_info.keys())))
4139                             error_list = await self._wait_for_tasks(logging_text, tasks_dict_info,
4140                                                                     min(self.timeout_charm_delete,
4141                                                                         self.timeout_ns_terminate),
4142                                                                     stage, nslcmop_id)
4143                             tasks_dict_info.clear()
4144                             if error_list:
4145                                 raise LcmException("; ".join(error_list))
4146
4147                         db_vca_and_config_update = {
4148                             "_admin.deployed.VCA": vca_update,
4149                             "configurationStatus": config_update
4150                         }
4151                         self.update_db_2("nsrs", db_nsr["_id"], db_vca_and_config_update)
4152             scale_process = None
4153             # SCALE-IN VCA - END
4154
4155             # SCALE RO - BEGIN
4156             if RO_scaling_info:
4157                 scale_process = "RO"
4158                 if self.ro_config.get("ng"):
4159                     await self._scale_ng_ro(logging_text, db_nsr, db_nslcmop, db_vnfr, vdu_scaling_info, stage)
4160             vdu_scaling_info.pop("vdu-create", None)
4161             vdu_scaling_info.pop("vdu-delete", None)
4162
4163             scale_process = None
4164             if db_nsr_update:
4165                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
4166             # SCALE RO - END
4167
4168             # SCALE-UP VCA - BEGIN
4169             if VCA_scaling_info:
4170                 step = db_nslcmop_update["detailed-status"] = \
4171                     "Creating new execution environments"
4172                 scale_process = "VCA"
4173                 for vdu_info in VCA_scaling_info:
4174                     if vdu_info["type"] == "create":
4175                         member_vnf_index = str(vdu_info["member-vnf-index"])
4176                         self.logger.debug(logging_text + "vdu info: {}".format(vdu_info))
4177                         vnfd_id = db_vnfr["vnfd-ref"]
4178                         vdu_index = int(vdu_info["vdu_index"])
4179                         deploy_params = {"OSM": get_osm_params(db_vnfr)}
4180                         if db_vnfr.get("additionalParamsForVnf"):
4181                             deploy_params.update(parse_yaml_strings(db_vnfr["additionalParamsForVnf"].copy()))
4182                         descriptor_config = get_configuration(db_vnfd, db_vnfd["id"])
4183                         if descriptor_config:
4184                             vdu_id = None
4185                             vdu_name = None
4186                             kdu_name = None
4187                             self._deploy_n2vc(
4188                                 logging_text=logging_text + "member_vnf_index={} ".format(member_vnf_index),
4189                                 db_nsr=db_nsr,
4190                                 db_vnfr=db_vnfr,
4191                                 nslcmop_id=nslcmop_id,
4192                                 nsr_id=nsr_id,
4193                                 nsi_id=nsi_id,
4194                                 vnfd_id=vnfd_id,
4195                                 vdu_id=vdu_id,
4196                                 kdu_name=kdu_name,
4197                                 member_vnf_index=member_vnf_index,
4198                                 vdu_index=vdu_index,
4199                                 vdu_name=vdu_name,
4200                                 deploy_params=deploy_params,
4201                                 descriptor_config=descriptor_config,
4202                                 base_folder=base_folder,
4203                                 task_instantiation_info=tasks_dict_info,
4204                                 stage=stage
4205                             )
4206                         vdu_id = vdu_info["osm_vdu_id"]
4207                         vdur = find_in_list(db_vnfr["vdur"], lambda vdu: vdu["vdu-id-ref"] == vdu_id)
4208                         descriptor_config = get_configuration(db_vnfd, vdu_id)
4209                         if vdur.get("additionalParams"):
4210                             deploy_params_vdu = parse_yaml_strings(vdur["additionalParams"])
4211                         else:
4212                             deploy_params_vdu = deploy_params
4213                         deploy_params_vdu["OSM"] = get_osm_params(db_vnfr, vdu_id, vdu_count_index=vdu_index)
4214                         if descriptor_config:
4215                             vdu_name = None
4216                             kdu_name = None
4217                             stage[1] = "Scaling member_vnf_index={}, vdu_id={}, vdu_index={} ".format(
4218                                 member_vnf_index, vdu_id, vdu_index)
4219                             stage[2] = step = "Scaling out VCA"
4220                             self._write_op_status(
4221                                 op_id=nslcmop_id,
4222                                 stage=stage
4223                             )
4224                             self._deploy_n2vc(
4225                                 logging_text=logging_text + "member_vnf_index={}, vdu_id={}, vdu_index={} ".format(
4226                                     member_vnf_index, vdu_id, vdu_index),
4227                                 db_nsr=db_nsr,
4228                                 db_vnfr=db_vnfr,
4229                                 nslcmop_id=nslcmop_id,
4230                                 nsr_id=nsr_id,
4231                                 nsi_id=nsi_id,
4232                                 vnfd_id=vnfd_id,
4233                                 vdu_id=vdu_id,
4234                                 kdu_name=kdu_name,
4235                                 member_vnf_index=member_vnf_index,
4236                                 vdu_index=vdu_index,
4237                                 vdu_name=vdu_name,
4238                                 deploy_params=deploy_params_vdu,
4239                                 descriptor_config=descriptor_config,
4240                                 base_folder=base_folder,
4241                                 task_instantiation_info=tasks_dict_info,
4242                                 stage=stage
4243                             )
4244             # SCALE-UP VCA - END
4245             scale_process = None
4246
4247             # POST-SCALE BEGIN
4248             # execute primitive service POST-SCALING
4249             step = "Executing post-scale vnf-config-primitive"
4250             if scaling_descriptor.get("scaling-config-action"):
4251                 for scaling_config_action in scaling_descriptor["scaling-config-action"]:
4252                     if (scaling_config_action.get("trigger") == "post-scale-in" and scaling_type == "SCALE_IN") \
4253                        or (scaling_config_action.get("trigger") == "post-scale-out" and scaling_type == "SCALE_OUT"):
4254                         vnf_config_primitive = scaling_config_action["vnf-config-primitive-name-ref"]
4255                         step = db_nslcmop_update["detailed-status"] = \
4256                             "executing post-scale scaling-config-action '{}'".format(vnf_config_primitive)
4257
4258                         vnfr_params = {"VDU_SCALE_INFO": vdu_scaling_info}
4259                         if db_vnfr.get("additionalParamsForVnf"):
4260                             vnfr_params.update(db_vnfr["additionalParamsForVnf"])
4261
4262                         # look for primitive
4263                         for config_primitive in (
4264                             get_configuration(db_vnfd, db_vnfd["id"]) or {}
4265                         ).get("config-primitive", ()):
4266                             if config_primitive["name"] == vnf_config_primitive:
4267                                 break
4268                         else:
4269                             raise LcmException(
4270                                 "Invalid vnfd descriptor at scaling-group-descriptor[name='{}']:scaling-config-"
4271                                 "action[vnf-config-primitive-name-ref='{}'] does not match any vnf-configuration:"
4272                                 "config-primitive".format(scaling_group, vnf_config_primitive))
4273                         scale_process = "VCA"
4274                         db_nsr_update["config-status"] = "configuring post-scaling"
4275                         primitive_params = self._map_primitive_params(config_primitive, {}, vnfr_params)
4276
4277                         # Post-scale retry check: Check if this sub-operation has been executed before
4278                         op_index = self._check_or_add_scale_suboperation(
4279                             db_nslcmop, nslcmop_id, vnf_index, vnf_config_primitive, primitive_params, 'POST-SCALE')
4280                         if op_index == self.SUBOPERATION_STATUS_SKIP:
4281                             # Skip sub-operation
4282                             result = 'COMPLETED'
4283                             result_detail = 'Done'
4284                             self.logger.debug(logging_text +
4285                                               "vnf_config_primitive={} Skipped sub-operation, result {} {}".
4286                                               format(vnf_config_primitive, result, result_detail))
4287                         else:
4288                             if op_index == self.SUBOPERATION_STATUS_NEW:
4289                                 # New sub-operation: Get index of this sub-operation
4290                                 op_index = len(db_nslcmop.get('_admin', {}).get('operations')) - 1
4291                                 self.logger.debug(logging_text + "vnf_config_primitive={} New sub-operation".
4292                                                   format(vnf_config_primitive))
4293                             else:
4294                                 # retry:  Get registered params for this existing sub-operation
4295                                 op = db_nslcmop.get('_admin', {}).get('operations', [])[op_index]
4296                                 vnf_index = op.get('member_vnf_index')
4297                                 vnf_config_primitive = op.get('primitive')
4298                                 primitive_params = op.get('primitive_params')
4299                                 self.logger.debug(logging_text + "vnf_config_primitive={} Sub-operation retry".
4300                                                   format(vnf_config_primitive))
4301                             # Execute the primitive, either with new (first-time) or registered (reintent) args
4302                             ee_descriptor_id = config_primitive.get("execution-environment-ref")
4303                             primitive_name = config_primitive.get("execution-environment-primitive",
4304                                                                   vnf_config_primitive)
4305                             ee_id, vca_type = self._look_for_deployed_vca(nsr_deployed["VCA"],
4306                                                                           member_vnf_index=vnf_index,
4307                                                                           vdu_id=None,
4308                                                                           vdu_count_index=None,
4309                                                                           ee_descriptor_id=ee_descriptor_id)
4310                             result, result_detail = await self._ns_execute_primitive(
4311                                 ee_id,
4312                                 primitive_name,
4313                                 primitive_params,
4314                                 vca_type=vca_type,
4315                                 vca_id=vca_id,
4316                             )
4317                             self.logger.debug(logging_text + "vnf_config_primitive={} Done with result {} {}".format(
4318                                 vnf_config_primitive, result, result_detail))
4319                             # Update operationState = COMPLETED | FAILED
4320                             self._update_suboperation_status(
4321                                 db_nslcmop, op_index, result, result_detail)
4322
4323                         if result == "FAILED":
4324                             raise LcmException(result_detail)
4325                         db_nsr_update["config-status"] = old_config_status
4326                         scale_process = None
4327             # POST-SCALE END
4328
4329             db_nsr_update["detailed-status"] = ""  # "scaled {} {}".format(scaling_group, scaling_type)
4330             db_nsr_update["operational-status"] = "running" if old_operational_status == "failed" \
4331                 else old_operational_status
4332             db_nsr_update["config-status"] = old_config_status
4333             return
4334         except (ROclient.ROClientException, DbException, LcmException, NgRoException) as e:
4335             self.logger.error(logging_text + "Exit Exception {}".format(e))
4336             exc = e
4337         except asyncio.CancelledError:
4338             self.logger.error(logging_text + "Cancelled Exception while '{}'".format(step))
4339             exc = "Operation was cancelled"
4340         except Exception as e:
4341             exc = traceback.format_exc()
4342             self.logger.critical(logging_text + "Exit Exception {} {}".format(type(e).__name__, e), exc_info=True)
4343         finally:
4344             self._write_ns_status(nsr_id=nsr_id, ns_state=None, current_operation="IDLE", current_operation_id=None)
4345             if tasks_dict_info:
4346                 stage[1] = "Waiting for instantiate pending tasks."
4347                 self.logger.debug(logging_text + stage[1])
4348                 exc = await self._wait_for_tasks(logging_text, tasks_dict_info, self.timeout_ns_deploy,
4349                                                  stage, nslcmop_id, nsr_id=nsr_id)
4350             if exc:
4351                 db_nslcmop_update["detailed-status"] = error_description_nslcmop = "FAILED {}: {}".format(step, exc)
4352                 nslcmop_operation_state = "FAILED"
4353                 if db_nsr:
4354                     db_nsr_update["operational-status"] = old_operational_status
4355                     db_nsr_update["config-status"] = old_config_status
4356                     db_nsr_update["detailed-status"] = ""
4357                     if scale_process:
4358                         if "VCA" in scale_process:
4359                             db_nsr_update["config-status"] = "failed"
4360                         if "RO" in scale_process:
4361                             db_nsr_update["operational-status"] = "failed"
4362                         db_nsr_update["detailed-status"] = "FAILED scaling nslcmop={} {}: {}".format(nslcmop_id, step,
4363                                                                                                      exc)
4364             else:
4365                 error_description_nslcmop = None
4366                 nslcmop_operation_state = "COMPLETED"
4367                 db_nslcmop_update["detailed-status"] = "Done"
4368
4369             self._write_op_status(op_id=nslcmop_id, stage="", error_message=error_description_nslcmop,
4370                                   operation_state=nslcmop_operation_state, other_update=db_nslcmop_update)
4371             if db_nsr:
4372                 self._write_ns_status(nsr_id=nsr_id, ns_state=None, current_operation="IDLE",
4373                                       current_operation_id=None, other_update=db_nsr_update)
4374
4375             if nslcmop_operation_state:
4376                 try:
4377                     msg = {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id, "operationState": nslcmop_operation_state}
4378                     await self.msg.aiowrite("ns", "scaled", msg, loop=self.loop)
4379                 except Exception as e:
4380                     self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
4381             self.logger.debug(logging_text + "Exit")
4382             self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_scale")
4383
4384     async def _scale_ng_ro(self, logging_text, db_nsr, db_nslcmop, db_vnfr, vdu_scaling_info, stage):
4385         nsr_id = db_nslcmop["nsInstanceId"]
4386         db_nsd = self.db.get_one("nsds", {"_id": db_nsr["nsd-id"]})
4387         db_vnfrs = {}
4388
4389         # read from db: vnfd's for every vnf
4390         db_vnfds = []
4391
4392         # for each vnf in ns, read vnfd
4393         for vnfr in self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id}):
4394             db_vnfrs[vnfr["member-vnf-index-ref"]] = vnfr
4395             vnfd_id = vnfr["vnfd-id"]  # vnfd uuid for this vnf
4396             # if we haven't this vnfd, read it from db
4397             if not find_in_list(db_vnfds, lambda a_vnfd: a_vnfd["id"] == vnfd_id):
4398                 # read from db
4399                 vnfd = self.db.get_one("vnfds", {"_id": vnfd_id})
4400                 db_vnfds.append(vnfd)
4401         n2vc_key = self.n2vc.get_public_key()
4402         n2vc_key_list = [n2vc_key]
4403         self.scale_vnfr(db_vnfr, vdu_scaling_info.get("vdu-create"), vdu_scaling_info.get("vdu-delete"),
4404                         mark_delete=True)
4405         # db_vnfr has been updated, update db_vnfrs to use it
4406         db_vnfrs[db_vnfr["member-vnf-index-ref"]] = db_vnfr
4407         await self._instantiate_ng_ro(logging_text, nsr_id, db_nsd, db_nsr, db_nslcmop, db_vnfrs,
4408                                       db_vnfds, n2vc_key_list, stage=stage, start_deploy=time(),
4409                                       timeout_ns_deploy=self.timeout_ns_deploy)
4410         if vdu_scaling_info.get("vdu-delete"):
4411             self.scale_vnfr(db_vnfr, None, vdu_scaling_info["vdu-delete"], mark_delete=False)
4412
4413     async def add_prometheus_metrics(self, ee_id, artifact_path, ee_config_descriptor, vnfr_id, nsr_id, target_ip):
4414         if not self.prometheus:
4415             return
4416         # look if exist a file called 'prometheus*.j2' and
4417         artifact_content = self.fs.dir_ls(artifact_path)
4418         job_file = next((f for f in artifact_content if f.startswith("prometheus") and f.endswith(".j2")), None)
4419         if not job_file:
4420             return
4421         with self.fs.file_open((artifact_path, job_file), "r") as f:
4422             job_data = f.read()
4423
4424         # TODO get_service
4425         _, _, service = ee_id.partition(".")   # remove prefix   "namespace."
4426         host_name = "{}-{}".format(service, ee_config_descriptor["metric-service"])
4427         host_port = "80"
4428         vnfr_id = vnfr_id.replace("-", "")
4429         variables = {
4430             "JOB_NAME": vnfr_id,
4431             "TARGET_IP": target_ip,
4432             "EXPORTER_POD_IP": host_name,
4433             "EXPORTER_POD_PORT": host_port,
4434         }
4435         job_list = self.prometheus.parse_job(job_data, variables)
4436         # ensure job_name is using the vnfr_id. Adding the metadata nsr_id
4437         for job in job_list:
4438             if not isinstance(job.get("job_name"), str) or vnfr_id not in job["job_name"]:
4439                 job["job_name"] = vnfr_id + "_" + str(randint(1, 10000))
4440             job["nsr_id"] = nsr_id
4441         job_dict = {jl["job_name"]: jl for jl in job_list}
4442         if await self.prometheus.update(job_dict):
4443             return list(job_dict.keys())
4444
4445     def get_vca_cloud_and_credentials(self, vim_account_id: str) -> (str, str):
4446         """
4447         Get VCA Cloud and VCA Cloud Credentials for the VIM account
4448
4449         :param: vim_account_id:     VIM Account ID
4450
4451         :return: (cloud_name, cloud_credential)
4452         """
4453         config = VimAccountDB.get_vim_account_with_id(vim_account_id).get("config", {})
4454         return config.get("vca_cloud"), config.get("vca_cloud_credential")
4455
4456     def get_vca_k8s_cloud_and_credentials(self, vim_account_id: str) -> (str, str):
4457         """
4458         Get VCA K8s Cloud and VCA K8s Cloud Credentials for the VIM account
4459
4460         :param: vim_account_id:     VIM Account ID
4461
4462         :return: (cloud_name, cloud_credential)
4463         """
4464         config = VimAccountDB.get_vim_account_with_id(vim_account_id).get("config", {})
4465         return config.get("vca_k8s_cloud"), config.get("vca_k8s_cloud_credential")