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_vnfd = self.db.get_one("vnfds", {"_id": vnfd})
2114                     db_vnf_relations = get_configuration(db_vnfd, db_vnfd["id"]).get("relation", [])
2115                     if db_vnf_relations:
2116                         for r in db_vnf_relations:
2117                             # check if this VCA is in the relation
2118                             if my_vca.get('vdu_id') in (r.get('entities')[0].get('id'), r.get('entities')[1].get('id')):
2119                                 vnf_relations.append(r)
2120
2121             # if no relations, terminate
2122             if not ns_relations and not vnf_relations:
2123                 self.logger.debug(logging_text + ' No relations')
2124                 return True
2125
2126             self.logger.debug(logging_text + ' adding relations\n    {}\n    {}'.format(ns_relations, vnf_relations))
2127
2128             # add all relations
2129             start = time()
2130             while True:
2131                 # check timeout
2132                 now = time()
2133                 if now - start >= timeout:
2134                     self.logger.error(logging_text + ' : timeout adding relations')
2135                     return False
2136
2137                 # reload nsr from database (we need to update record: _admin.deloyed.VCA)
2138                 db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
2139
2140                 # for each defined NS relation, find the VCA's related
2141                 for r in ns_relations.copy():
2142                     from_vca_ee_id = None
2143                     to_vca_ee_id = None
2144                     from_vca_endpoint = None
2145                     to_vca_endpoint = None
2146                     vca_list = deep_get(db_nsr, ('_admin', 'deployed', 'VCA'))
2147                     for vca in vca_list:
2148                         if vca.get('member-vnf-index') == r.get('entities')[0].get('id') \
2149                                 and vca.get('config_sw_installed'):
2150                             from_vca_ee_id = vca.get('ee_id')
2151                             from_vca_endpoint = r.get('entities')[0].get('endpoint')
2152                         if vca.get('member-vnf-index') == r.get('entities')[1].get('id') \
2153                                 and vca.get('config_sw_installed'):
2154                             to_vca_ee_id = vca.get('ee_id')
2155                             to_vca_endpoint = r.get('entities')[1].get('endpoint')
2156                     if from_vca_ee_id and to_vca_ee_id:
2157                         # add relation
2158                         await self.vca_map[vca_type].add_relation(
2159                             ee_id_1=from_vca_ee_id,
2160                             ee_id_2=to_vca_ee_id,
2161                             endpoint_1=from_vca_endpoint,
2162                             endpoint_2=to_vca_endpoint,
2163                             vca_id=vca_id,
2164                         )
2165                         # remove entry from relations list
2166                         ns_relations.remove(r)
2167                     else:
2168                         # check failed peers
2169                         try:
2170                             vca_status_list = db_nsr.get('configurationStatus')
2171                             if vca_status_list:
2172                                 for i in range(len(vca_list)):
2173                                     vca = vca_list[i]
2174                                     vca_status = vca_status_list[i]
2175                                     if vca.get('member-vnf-index') == r.get('entities')[0].get('id'):
2176                                         if vca_status.get('status') == 'BROKEN':
2177                                             # peer broken: remove relation from list
2178                                             ns_relations.remove(r)
2179                                     if vca.get('member-vnf-index') == r.get('entities')[1].get('id'):
2180                                         if vca_status.get('status') == 'BROKEN':
2181                                             # peer broken: remove relation from list
2182                                             ns_relations.remove(r)
2183                         except Exception:
2184                             # ignore
2185                             pass
2186
2187                 # for each defined VNF relation, find the VCA's related
2188                 for r in vnf_relations.copy():
2189                     from_vca_ee_id = None
2190                     to_vca_ee_id = None
2191                     from_vca_endpoint = None
2192                     to_vca_endpoint = None
2193                     vca_list = deep_get(db_nsr, ('_admin', 'deployed', 'VCA'))
2194                     for vca in vca_list:
2195                         key_to_check = "vdu_id"
2196                         if vca.get("vdu_id") is None:
2197                             key_to_check = "vnfd_id"
2198                         if vca.get(key_to_check) == r.get('entities')[0].get('id') and vca.get('config_sw_installed'):
2199                             from_vca_ee_id = vca.get('ee_id')
2200                             from_vca_endpoint = r.get('entities')[0].get('endpoint')
2201                         if vca.get(key_to_check) == r.get('entities')[1].get('id') and vca.get('config_sw_installed'):
2202                             to_vca_ee_id = vca.get('ee_id')
2203                             to_vca_endpoint = r.get('entities')[1].get('endpoint')
2204                     if from_vca_ee_id and to_vca_ee_id:
2205                         # add relation
2206                         await self.vca_map[vca_type].add_relation(
2207                             ee_id_1=from_vca_ee_id,
2208                             ee_id_2=to_vca_ee_id,
2209                             endpoint_1=from_vca_endpoint,
2210                             endpoint_2=to_vca_endpoint,
2211                             vca_id=vca_id,
2212                         )
2213                         # remove entry from relations list
2214                         vnf_relations.remove(r)
2215                     else:
2216                         # check failed peers
2217                         try:
2218                             vca_status_list = db_nsr.get('configurationStatus')
2219                             if vca_status_list:
2220                                 for i in range(len(vca_list)):
2221                                     vca = vca_list[i]
2222                                     vca_status = vca_status_list[i]
2223                                     if vca.get('vdu_id') == r.get('entities')[0].get('id'):
2224                                         if vca_status.get('status') == 'BROKEN':
2225                                             # peer broken: remove relation from list
2226                                             vnf_relations.remove(r)
2227                                     if vca.get('vdu_id') == r.get('entities')[1].get('id'):
2228                                         if vca_status.get('status') == 'BROKEN':
2229                                             # peer broken: remove relation from list
2230                                             vnf_relations.remove(r)
2231                         except Exception:
2232                             # ignore
2233                             pass
2234
2235                 # wait for next try
2236                 await asyncio.sleep(5.0)
2237
2238                 if not ns_relations and not vnf_relations:
2239                     self.logger.debug('Relations added')
2240                     break
2241
2242             return True
2243
2244         except Exception as e:
2245             self.logger.warn(logging_text + ' ERROR adding relations: {}'.format(e))
2246             return False
2247
2248     async def _install_kdu(self, nsr_id: str, nsr_db_path: str, vnfr_data: dict, kdu_index: int, kdud: dict,
2249                            vnfd: dict, k8s_instance_info: dict, k8params: dict = None, timeout: int = 600,
2250                            vca_id: str = None):
2251
2252         try:
2253             k8sclustertype = k8s_instance_info["k8scluster-type"]
2254             # Instantiate kdu
2255             db_dict_install = {"collection": "nsrs",
2256                                "filter": {"_id": nsr_id},
2257                                "path": nsr_db_path}
2258
2259             kdu_instance = self.k8scluster_map[k8sclustertype].generate_kdu_instance_name(
2260                 db_dict=db_dict_install,
2261                 kdu_model=k8s_instance_info["kdu-model"],
2262                 kdu_name=k8s_instance_info["kdu-name"],
2263             )
2264             self.update_db_2("nsrs", nsr_id, {nsr_db_path + ".kdu-instance": kdu_instance})
2265             await self.k8scluster_map[k8sclustertype].install(
2266                 cluster_uuid=k8s_instance_info["k8scluster-uuid"],
2267                 kdu_model=k8s_instance_info["kdu-model"],
2268                 atomic=True,
2269                 params=k8params,
2270                 db_dict=db_dict_install,
2271                 timeout=timeout,
2272                 kdu_name=k8s_instance_info["kdu-name"],
2273                 namespace=k8s_instance_info["namespace"],
2274                 kdu_instance=kdu_instance,
2275                 vca_id=vca_id,
2276             )
2277             self.update_db_2("nsrs", nsr_id, {nsr_db_path + ".kdu-instance": kdu_instance})
2278
2279             # Obtain services to obtain management service ip
2280             services = await self.k8scluster_map[k8sclustertype].get_services(
2281                 cluster_uuid=k8s_instance_info["k8scluster-uuid"],
2282                 kdu_instance=kdu_instance,
2283                 namespace=k8s_instance_info["namespace"])
2284
2285             # Obtain management service info (if exists)
2286             vnfr_update_dict = {}
2287             if services:
2288                 vnfr_update_dict["kdur.{}.services".format(kdu_index)] = services
2289                 mgmt_services = [service for service in kdud.get("service", []) if service.get("mgmt-service")]
2290                 for mgmt_service in mgmt_services:
2291                     for service in services:
2292                         if service["name"].startswith(mgmt_service["name"]):
2293                             # Mgmt service found, Obtain service ip
2294                             ip = service.get("external_ip", service.get("cluster_ip"))
2295                             if isinstance(ip, list) and len(ip) == 1:
2296                                 ip = ip[0]
2297
2298                             vnfr_update_dict["kdur.{}.ip-address".format(kdu_index)] = ip
2299
2300                             # Check if must update also mgmt ip at the vnf
2301                             service_external_cp = mgmt_service.get("external-connection-point-ref")
2302                             if service_external_cp:
2303                                 if deep_get(vnfd, ("mgmt-interface", "cp")) == service_external_cp:
2304                                     vnfr_update_dict["ip-address"] = ip
2305
2306                             break
2307                     else:
2308                         self.logger.warn("Mgmt service name: {} not found".format(mgmt_service["name"]))
2309
2310             vnfr_update_dict["kdur.{}.status".format(kdu_index)] = "READY"
2311             self.update_db_2("vnfrs", vnfr_data.get("_id"), vnfr_update_dict)
2312
2313             kdu_config = get_configuration(vnfd, k8s_instance_info["kdu-name"])
2314             if kdu_config and kdu_config.get("initial-config-primitive") and \
2315                get_juju_ee_ref(vnfd, k8s_instance_info["kdu-name"]) is None:
2316                 initial_config_primitive_list = kdu_config.get("initial-config-primitive")
2317                 initial_config_primitive_list.sort(key=lambda val: int(val["seq"]))
2318
2319                 for initial_config_primitive in initial_config_primitive_list:
2320                     primitive_params_ = self._map_primitive_params(initial_config_primitive, {}, {})
2321
2322                     await asyncio.wait_for(
2323                         self.k8scluster_map[k8sclustertype].exec_primitive(
2324                             cluster_uuid=k8s_instance_info["k8scluster-uuid"],
2325                             kdu_instance=kdu_instance,
2326                             primitive_name=initial_config_primitive["name"],
2327                             params=primitive_params_, db_dict=db_dict_install,
2328                             vca_id=vca_id,
2329                         ),
2330                         timeout=timeout
2331                     )
2332
2333         except Exception as e:
2334             # Prepare update db with error and raise exception
2335             try:
2336                 self.update_db_2("nsrs", nsr_id, {nsr_db_path + ".detailed-status": str(e)})
2337                 self.update_db_2("vnfrs", vnfr_data.get("_id"), {"kdur.{}.status".format(kdu_index): "ERROR"})
2338             except Exception:
2339                 # ignore to keep original exception
2340                 pass
2341             # reraise original error
2342             raise
2343
2344         return kdu_instance
2345
2346     async def deploy_kdus(self, logging_text, nsr_id, nslcmop_id, db_vnfrs, db_vnfds, task_instantiation_info):
2347         # Launch kdus if present in the descriptor
2348
2349         k8scluster_id_2_uuic = {"helm-chart-v3": {}, "helm-chart": {}, "juju-bundle": {}}
2350
2351         async def _get_cluster_id(cluster_id, cluster_type):
2352             nonlocal k8scluster_id_2_uuic
2353             if cluster_id in k8scluster_id_2_uuic[cluster_type]:
2354                 return k8scluster_id_2_uuic[cluster_type][cluster_id]
2355
2356             # check if K8scluster is creating and wait look if previous tasks in process
2357             task_name, task_dependency = self.lcm_tasks.lookfor_related("k8scluster", cluster_id)
2358             if task_dependency:
2359                 text = "Waiting for related tasks '{}' on k8scluster {} to be completed".format(task_name, cluster_id)
2360                 self.logger.debug(logging_text + text)
2361                 await asyncio.wait(task_dependency, timeout=3600)
2362
2363             db_k8scluster = self.db.get_one("k8sclusters", {"_id": cluster_id}, fail_on_empty=False)
2364             if not db_k8scluster:
2365                 raise LcmException("K8s cluster {} cannot be found".format(cluster_id))
2366
2367             k8s_id = deep_get(db_k8scluster, ("_admin", cluster_type, "id"))
2368             if not k8s_id:
2369                 if cluster_type == "helm-chart-v3":
2370                     try:
2371                         # backward compatibility for existing clusters that have not been initialized for helm v3
2372                         k8s_credentials = yaml.safe_dump(db_k8scluster.get("credentials"))
2373                         k8s_id, uninstall_sw = await self.k8sclusterhelm3.init_env(k8s_credentials,
2374                                                                                    reuse_cluster_uuid=cluster_id)
2375                         db_k8scluster_update = {}
2376                         db_k8scluster_update["_admin.helm-chart-v3.error_msg"] = None
2377                         db_k8scluster_update["_admin.helm-chart-v3.id"] = k8s_id
2378                         db_k8scluster_update["_admin.helm-chart-v3.created"] = uninstall_sw
2379                         db_k8scluster_update["_admin.helm-chart-v3.operationalState"] = "ENABLED"
2380                         self.update_db_2("k8sclusters", cluster_id, db_k8scluster_update)
2381                     except Exception as e:
2382                         self.logger.error(logging_text + "error initializing helm-v3 cluster: {}".format(str(e)))
2383                         raise LcmException("K8s cluster '{}' has not been initialized for '{}'".format(cluster_id,
2384                                                                                                        cluster_type))
2385                 else:
2386                     raise LcmException("K8s cluster '{}' has not been initialized for '{}'".
2387                                        format(cluster_id, cluster_type))
2388             k8scluster_id_2_uuic[cluster_type][cluster_id] = k8s_id
2389             return k8s_id
2390
2391         logging_text += "Deploy kdus: "
2392         step = ""
2393         try:
2394             db_nsr_update = {"_admin.deployed.K8s": []}
2395             self.update_db_2("nsrs", nsr_id, db_nsr_update)
2396
2397             index = 0
2398             updated_cluster_list = []
2399             updated_v3_cluster_list = []
2400
2401             for vnfr_data in db_vnfrs.values():
2402                 vca_id = self.get_vca_id(vnfr_data, {})
2403                 for kdu_index, kdur in enumerate(get_iterable(vnfr_data, "kdur")):
2404                     # Step 0: Prepare and set parameters
2405                     desc_params = parse_yaml_strings(kdur.get("additionalParams"))
2406                     vnfd_id = vnfr_data.get('vnfd-id')
2407                     vnfd_with_id = find_in_list(db_vnfds, lambda vnfd: vnfd["_id"] == vnfd_id)
2408                     kdud = next(kdud for kdud in vnfd_with_id["kdu"] if kdud["name"] == kdur["kdu-name"])
2409                     namespace = kdur.get("k8s-namespace")
2410                     if kdur.get("helm-chart"):
2411                         kdumodel = kdur["helm-chart"]
2412                         # Default version: helm3, if helm-version is v2 assign v2
2413                         k8sclustertype = "helm-chart-v3"
2414                         self.logger.debug("kdur: {}".format(kdur))
2415                         if kdur.get("helm-version") and kdur.get("helm-version") == "v2":
2416                             k8sclustertype = "helm-chart"
2417                     elif kdur.get("juju-bundle"):
2418                         kdumodel = kdur["juju-bundle"]
2419                         k8sclustertype = "juju-bundle"
2420                     else:
2421                         raise LcmException("kdu type for kdu='{}.{}' is neither helm-chart nor "
2422                                            "juju-bundle. Maybe an old NBI version is running".
2423                                            format(vnfr_data["member-vnf-index-ref"], kdur["kdu-name"]))
2424                     # check if kdumodel is a file and exists
2425                     try:
2426                         vnfd_with_id = find_in_list(db_vnfds, lambda vnfd: vnfd["_id"] == vnfd_id)
2427                         storage = deep_get(vnfd_with_id, ('_admin', 'storage'))
2428                         if storage and storage.get('pkg-dir'):  # may be not present if vnfd has not artifacts
2429                             # path format: /vnfdid/pkkdir/helm-charts|juju-bundles/kdumodel
2430                             filename = '{}/{}/{}s/{}'.format(storage["folder"], storage["pkg-dir"], k8sclustertype,
2431                                                              kdumodel)
2432                             if self.fs.file_exists(filename, mode='file') or self.fs.file_exists(filename, mode='dir'):
2433                                 kdumodel = self.fs.path + filename
2434                     except (asyncio.TimeoutError, asyncio.CancelledError):
2435                         raise
2436                     except Exception:       # it is not a file
2437                         pass
2438
2439                     k8s_cluster_id = kdur["k8s-cluster"]["id"]
2440                     step = "Synchronize repos for k8s cluster '{}'".format(k8s_cluster_id)
2441                     cluster_uuid = await _get_cluster_id(k8s_cluster_id, k8sclustertype)
2442
2443                     # Synchronize  repos
2444                     if (k8sclustertype == "helm-chart" and cluster_uuid not in updated_cluster_list)\
2445                             or (k8sclustertype == "helm-chart-v3" and cluster_uuid not in updated_v3_cluster_list):
2446                         del_repo_list, added_repo_dict = await asyncio.ensure_future(
2447                             self.k8scluster_map[k8sclustertype].synchronize_repos(cluster_uuid=cluster_uuid))
2448                         if del_repo_list or added_repo_dict:
2449                             if k8sclustertype == "helm-chart":
2450                                 unset = {'_admin.helm_charts_added.' + item: None for item in del_repo_list}
2451                                 updated = {'_admin.helm_charts_added.' +
2452                                            item: name for item, name in added_repo_dict.items()}
2453                                 updated_cluster_list.append(cluster_uuid)
2454                             elif k8sclustertype == "helm-chart-v3":
2455                                 unset = {'_admin.helm_charts_v3_added.' + item: None for item in del_repo_list}
2456                                 updated = {'_admin.helm_charts_v3_added.' +
2457                                            item: name for item, name in added_repo_dict.items()}
2458                                 updated_v3_cluster_list.append(cluster_uuid)
2459                             self.logger.debug(logging_text + "repos synchronized on k8s cluster "
2460                                                              "'{}' to_delete: {}, to_add: {}".
2461                                               format(k8s_cluster_id, del_repo_list, added_repo_dict))
2462                             self.db.set_one("k8sclusters", {"_id": k8s_cluster_id}, updated, unset=unset)
2463
2464                     # Instantiate kdu
2465                     step = "Instantiating KDU {}.{} in k8s cluster {}".format(vnfr_data["member-vnf-index-ref"],
2466                                                                               kdur["kdu-name"], k8s_cluster_id)
2467                     k8s_instance_info = {"kdu-instance": None,
2468                                          "k8scluster-uuid": cluster_uuid,
2469                                          "k8scluster-type": k8sclustertype,
2470                                          "member-vnf-index": vnfr_data["member-vnf-index-ref"],
2471                                          "kdu-name": kdur["kdu-name"],
2472                                          "kdu-model": kdumodel,
2473                                          "namespace": namespace}
2474                     db_path = "_admin.deployed.K8s.{}".format(index)
2475                     db_nsr_update[db_path] = k8s_instance_info
2476                     self.update_db_2("nsrs", nsr_id, db_nsr_update)
2477                     vnfd_with_id = find_in_list(db_vnfds, lambda vnf: vnf["_id"] == vnfd_id)
2478                     task = asyncio.ensure_future(
2479                         self._install_kdu(nsr_id, db_path, vnfr_data, kdu_index, kdud, vnfd_with_id,
2480                                           k8s_instance_info, k8params=desc_params, timeout=600, vca_id=vca_id))
2481                     self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "instantiate_KDU-{}".format(index), task)
2482                     task_instantiation_info[task] = "Deploying KDU {}".format(kdur["kdu-name"])
2483
2484                     index += 1
2485
2486         except (LcmException, asyncio.CancelledError):
2487             raise
2488         except Exception as e:
2489             msg = "Exception {} while {}: {}".format(type(e).__name__, step, e)
2490             if isinstance(e, (N2VCException, DbException)):
2491                 self.logger.error(logging_text + msg)
2492             else:
2493                 self.logger.critical(logging_text + msg, exc_info=True)
2494             raise LcmException(msg)
2495         finally:
2496             if db_nsr_update:
2497                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
2498
2499     def _deploy_n2vc(self, logging_text, db_nsr, db_vnfr, nslcmop_id, nsr_id, nsi_id, vnfd_id, vdu_id,
2500                      kdu_name, member_vnf_index, vdu_index, vdu_name, deploy_params, descriptor_config,
2501                      base_folder, task_instantiation_info, stage):
2502         # launch instantiate_N2VC in a asyncio task and register task object
2503         # Look where information of this charm is at database <nsrs>._admin.deployed.VCA
2504         # if not found, create one entry and update database
2505         # fill db_nsr._admin.deployed.VCA.<index>
2506
2507         self.logger.debug(logging_text + "_deploy_n2vc vnfd_id={}, vdu_id={}".format(vnfd_id, vdu_id))
2508         if "execution-environment-list" in descriptor_config:
2509             ee_list = descriptor_config.get("execution-environment-list", [])
2510         else:  # other types as script are not supported
2511             ee_list = []
2512
2513         for ee_item in ee_list:
2514             self.logger.debug(logging_text + "_deploy_n2vc ee_item juju={}, helm={}".format(ee_item.get('juju'),
2515                                                                                             ee_item.get("helm-chart")))
2516             ee_descriptor_id = ee_item.get("id")
2517             if ee_item.get("juju"):
2518                 vca_name = ee_item['juju'].get('charm')
2519                 vca_type = "lxc_proxy_charm" if ee_item['juju'].get('charm') is not None else "native_charm"
2520                 if ee_item['juju'].get('cloud') == "k8s":
2521                     vca_type = "k8s_proxy_charm"
2522                 elif ee_item['juju'].get('proxy') is False:
2523                     vca_type = "native_charm"
2524             elif ee_item.get("helm-chart"):
2525                 vca_name = ee_item['helm-chart']
2526                 if ee_item.get("helm-version") and ee_item.get("helm-version") == "v2":
2527                     vca_type = "helm"
2528                 else:
2529                     vca_type = "helm-v3"
2530             else:
2531                 self.logger.debug(logging_text + "skipping non juju neither charm configuration")
2532                 continue
2533
2534             vca_index = -1
2535             for vca_index, vca_deployed in enumerate(db_nsr["_admin"]["deployed"]["VCA"]):
2536                 if not vca_deployed:
2537                     continue
2538                 if vca_deployed.get("member-vnf-index") == member_vnf_index and \
2539                         vca_deployed.get("vdu_id") == vdu_id and \
2540                         vca_deployed.get("kdu_name") == kdu_name and \
2541                         vca_deployed.get("vdu_count_index", 0) == vdu_index and \
2542                         vca_deployed.get("ee_descriptor_id") == ee_descriptor_id:
2543                     break
2544             else:
2545                 # not found, create one.
2546                 target = "ns" if not member_vnf_index else "vnf/{}".format(member_vnf_index)
2547                 if vdu_id:
2548                     target += "/vdu/{}/{}".format(vdu_id, vdu_index or 0)
2549                 elif kdu_name:
2550                     target += "/kdu/{}".format(kdu_name)
2551                 vca_deployed = {
2552                     "target_element": target,
2553                     # ^ target_element will replace member-vnf-index, kdu_name, vdu_id ... in a single string
2554                     "member-vnf-index": member_vnf_index,
2555                     "vdu_id": vdu_id,
2556                     "kdu_name": kdu_name,
2557                     "vdu_count_index": vdu_index,
2558                     "operational-status": "init",  # TODO revise
2559                     "detailed-status": "",  # TODO revise
2560                     "step": "initial-deploy",   # TODO revise
2561                     "vnfd_id": vnfd_id,
2562                     "vdu_name": vdu_name,
2563                     "type": vca_type,
2564                     "ee_descriptor_id": ee_descriptor_id
2565                 }
2566                 vca_index += 1
2567
2568                 # create VCA and configurationStatus in db
2569                 db_dict = {
2570                     "_admin.deployed.VCA.{}".format(vca_index): vca_deployed,
2571                     "configurationStatus.{}".format(vca_index): dict()
2572                 }
2573                 self.update_db_2("nsrs", nsr_id, db_dict)
2574
2575                 db_nsr["_admin"]["deployed"]["VCA"].append(vca_deployed)
2576
2577             self.logger.debug("N2VC > NSR_ID > {}".format(nsr_id))
2578             self.logger.debug("N2VC > DB_NSR > {}".format(db_nsr))
2579             self.logger.debug("N2VC > VCA_DEPLOYED > {}".format(vca_deployed))
2580
2581             # Launch task
2582             task_n2vc = asyncio.ensure_future(
2583                 self.instantiate_N2VC(
2584                     logging_text=logging_text,
2585                     vca_index=vca_index,
2586                     nsi_id=nsi_id,
2587                     db_nsr=db_nsr,
2588                     db_vnfr=db_vnfr,
2589                     vdu_id=vdu_id,
2590                     kdu_name=kdu_name,
2591                     vdu_index=vdu_index,
2592                     deploy_params=deploy_params,
2593                     config_descriptor=descriptor_config,
2594                     base_folder=base_folder,
2595                     nslcmop_id=nslcmop_id,
2596                     stage=stage,
2597                     vca_type=vca_type,
2598                     vca_name=vca_name,
2599                     ee_config_descriptor=ee_item
2600                 )
2601             )
2602             self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "instantiate_N2VC-{}".format(vca_index), task_n2vc)
2603             task_instantiation_info[task_n2vc] = self.task_name_deploy_vca + " {}.{}".format(
2604                 member_vnf_index or "", vdu_id or "")
2605
2606     @staticmethod
2607     def _create_nslcmop(nsr_id, operation, params):
2608         """
2609         Creates a ns-lcm-opp content to be stored at database.
2610         :param nsr_id: internal id of the instance
2611         :param operation: instantiate, terminate, scale, action, ...
2612         :param params: user parameters for the operation
2613         :return: dictionary following SOL005 format
2614         """
2615         # Raise exception if invalid arguments
2616         if not (nsr_id and operation and params):
2617             raise LcmException(
2618                 "Parameters 'nsr_id', 'operation' and 'params' needed to create primitive not provided")
2619         now = time()
2620         _id = str(uuid4())
2621         nslcmop = {
2622             "id": _id,
2623             "_id": _id,
2624             # COMPLETED,PARTIALLY_COMPLETED,FAILED_TEMP,FAILED,ROLLING_BACK,ROLLED_BACK
2625             "operationState": "PROCESSING",
2626             "statusEnteredTime": now,
2627             "nsInstanceId": nsr_id,
2628             "lcmOperationType": operation,
2629             "startTime": now,
2630             "isAutomaticInvocation": False,
2631             "operationParams": params,
2632             "isCancelPending": False,
2633             "links": {
2634                 "self": "/osm/nslcm/v1/ns_lcm_op_occs/" + _id,
2635                 "nsInstance": "/osm/nslcm/v1/ns_instances/" + nsr_id,
2636             }
2637         }
2638         return nslcmop
2639
2640     def _format_additional_params(self, params):
2641         params = params or {}
2642         for key, value in params.items():
2643             if str(value).startswith("!!yaml "):
2644                 params[key] = yaml.safe_load(value[7:])
2645         return params
2646
2647     def _get_terminate_primitive_params(self, seq, vnf_index):
2648         primitive = seq.get('name')
2649         primitive_params = {}
2650         params = {
2651             "member_vnf_index": vnf_index,
2652             "primitive": primitive,
2653             "primitive_params": primitive_params,
2654         }
2655         desc_params = {}
2656         return self._map_primitive_params(seq, params, desc_params)
2657
2658     # sub-operations
2659
2660     def _retry_or_skip_suboperation(self, db_nslcmop, op_index):
2661         op = deep_get(db_nslcmop, ('_admin', 'operations'), [])[op_index]
2662         if op.get('operationState') == 'COMPLETED':
2663             # b. Skip sub-operation
2664             # _ns_execute_primitive() or RO.create_action() will NOT be executed
2665             return self.SUBOPERATION_STATUS_SKIP
2666         else:
2667             # c. retry executing sub-operation
2668             # The sub-operation exists, and operationState != 'COMPLETED'
2669             # Update operationState = 'PROCESSING' to indicate a retry.
2670             operationState = 'PROCESSING'
2671             detailed_status = 'In progress'
2672             self._update_suboperation_status(
2673                 db_nslcmop, op_index, operationState, detailed_status)
2674             # Return the sub-operation index
2675             # _ns_execute_primitive() or RO.create_action() will be called from scale()
2676             # with arguments extracted from the sub-operation
2677             return op_index
2678
2679     # Find a sub-operation where all keys in a matching dictionary must match
2680     # Returns the index of the matching sub-operation, or SUBOPERATION_STATUS_NOT_FOUND if no match
2681     def _find_suboperation(self, db_nslcmop, match):
2682         if db_nslcmop and match:
2683             op_list = db_nslcmop.get('_admin', {}).get('operations', [])
2684             for i, op in enumerate(op_list):
2685                 if all(op.get(k) == match[k] for k in match):
2686                     return i
2687         return self.SUBOPERATION_STATUS_NOT_FOUND
2688
2689     # Update status for a sub-operation given its index
2690     def _update_suboperation_status(self, db_nslcmop, op_index, operationState, detailed_status):
2691         # Update DB for HA tasks
2692         q_filter = {'_id': db_nslcmop['_id']}
2693         update_dict = {'_admin.operations.{}.operationState'.format(op_index): operationState,
2694                        '_admin.operations.{}.detailed-status'.format(op_index): detailed_status}
2695         self.db.set_one("nslcmops",
2696                         q_filter=q_filter,
2697                         update_dict=update_dict,
2698                         fail_on_empty=False)
2699
2700     # Add sub-operation, return the index of the added sub-operation
2701     # Optionally, set operationState, detailed-status, and operationType
2702     # Status and type are currently set for 'scale' sub-operations:
2703     # 'operationState' : 'PROCESSING' | 'COMPLETED' | 'FAILED'
2704     # 'detailed-status' : status message
2705     # 'operationType': may be any type, in the case of scaling: 'PRE-SCALE' | 'POST-SCALE'
2706     # Status and operation type are currently only used for 'scale', but NOT for 'terminate' sub-operations.
2707     def _add_suboperation(self, db_nslcmop, vnf_index, vdu_id, vdu_count_index, vdu_name, primitive,
2708                           mapped_primitive_params, operationState=None, detailed_status=None, operationType=None,
2709                           RO_nsr_id=None, RO_scaling_info=None):
2710         if not db_nslcmop:
2711             return self.SUBOPERATION_STATUS_NOT_FOUND
2712         # Get the "_admin.operations" list, if it exists
2713         db_nslcmop_admin = db_nslcmop.get('_admin', {})
2714         op_list = db_nslcmop_admin.get('operations')
2715         # Create or append to the "_admin.operations" list
2716         new_op = {'member_vnf_index': vnf_index,
2717                   'vdu_id': vdu_id,
2718                   'vdu_count_index': vdu_count_index,
2719                   'primitive': primitive,
2720                   'primitive_params': mapped_primitive_params}
2721         if operationState:
2722             new_op['operationState'] = operationState
2723         if detailed_status:
2724             new_op['detailed-status'] = detailed_status
2725         if operationType:
2726             new_op['lcmOperationType'] = operationType
2727         if RO_nsr_id:
2728             new_op['RO_nsr_id'] = RO_nsr_id
2729         if RO_scaling_info:
2730             new_op['RO_scaling_info'] = RO_scaling_info
2731         if not op_list:
2732             # No existing operations, create key 'operations' with current operation as first list element
2733             db_nslcmop_admin.update({'operations': [new_op]})
2734             op_list = db_nslcmop_admin.get('operations')
2735         else:
2736             # Existing operations, append operation to list
2737             op_list.append(new_op)
2738
2739         db_nslcmop_update = {'_admin.operations': op_list}
2740         self.update_db_2("nslcmops", db_nslcmop['_id'], db_nslcmop_update)
2741         op_index = len(op_list) - 1
2742         return op_index
2743
2744     # Helper methods for scale() sub-operations
2745
2746     # pre-scale/post-scale:
2747     # Check for 3 different cases:
2748     # a. New: First time execution, return SUBOPERATION_STATUS_NEW
2749     # b. Skip: Existing sub-operation exists, operationState == 'COMPLETED', return SUBOPERATION_STATUS_SKIP
2750     # c. retry: Existing sub-operation exists, operationState != 'COMPLETED', return op_index to re-execute
2751     def _check_or_add_scale_suboperation(self, db_nslcmop, vnf_index, vnf_config_primitive, primitive_params,
2752                                          operationType, RO_nsr_id=None, RO_scaling_info=None):
2753         # Find this sub-operation
2754         if RO_nsr_id and RO_scaling_info:
2755             operationType = 'SCALE-RO'
2756             match = {
2757                 'member_vnf_index': vnf_index,
2758                 'RO_nsr_id': RO_nsr_id,
2759                 'RO_scaling_info': RO_scaling_info,
2760             }
2761         else:
2762             match = {
2763                 'member_vnf_index': vnf_index,
2764                 'primitive': vnf_config_primitive,
2765                 'primitive_params': primitive_params,
2766                 'lcmOperationType': operationType
2767             }
2768         op_index = self._find_suboperation(db_nslcmop, match)
2769         if op_index == self.SUBOPERATION_STATUS_NOT_FOUND:
2770             # a. New sub-operation
2771             # The sub-operation does not exist, add it.
2772             # _ns_execute_primitive() will be called from scale() as usual, with non-modified arguments
2773             # The following parameters are set to None for all kind of scaling:
2774             vdu_id = None
2775             vdu_count_index = None
2776             vdu_name = None
2777             if RO_nsr_id and RO_scaling_info:
2778                 vnf_config_primitive = None
2779                 primitive_params = None
2780             else:
2781                 RO_nsr_id = None
2782                 RO_scaling_info = None
2783             # Initial status for sub-operation
2784             operationState = 'PROCESSING'
2785             detailed_status = 'In progress'
2786             # Add sub-operation for pre/post-scaling (zero or more operations)
2787             self._add_suboperation(db_nslcmop,
2788                                    vnf_index,
2789                                    vdu_id,
2790                                    vdu_count_index,
2791                                    vdu_name,
2792                                    vnf_config_primitive,
2793                                    primitive_params,
2794                                    operationState,
2795                                    detailed_status,
2796                                    operationType,
2797                                    RO_nsr_id,
2798                                    RO_scaling_info)
2799             return self.SUBOPERATION_STATUS_NEW
2800         else:
2801             # Return either SUBOPERATION_STATUS_SKIP (operationState == 'COMPLETED'),
2802             # or op_index (operationState != 'COMPLETED')
2803             return self._retry_or_skip_suboperation(db_nslcmop, op_index)
2804
2805     # Function to return execution_environment id
2806
2807     def _get_ee_id(self, vnf_index, vdu_id, vca_deployed_list):
2808         # TODO vdu_index_count
2809         for vca in vca_deployed_list:
2810             if vca["member-vnf-index"] == vnf_index and vca["vdu_id"] == vdu_id:
2811                 return vca["ee_id"]
2812
2813     async def destroy_N2VC(
2814         self,
2815         logging_text,
2816         db_nslcmop,
2817         vca_deployed,
2818         config_descriptor,
2819         vca_index,
2820         destroy_ee=True,
2821         exec_primitives=True,
2822         scaling_in=False,
2823         vca_id: str = None,
2824     ):
2825         """
2826         Execute the terminate primitives and destroy the execution environment (if destroy_ee=False
2827         :param logging_text:
2828         :param db_nslcmop:
2829         :param vca_deployed: Dictionary of deployment info at db_nsr._admin.depoloyed.VCA.<INDEX>
2830         :param config_descriptor: Configuration descriptor of the NSD, VNFD, VNFD.vdu or VNFD.kdu
2831         :param vca_index: index in the database _admin.deployed.VCA
2832         :param destroy_ee: False to do not destroy, because it will be destroyed all of then at once
2833         :param exec_primitives: False to do not execute terminate primitives, because the config is not completed or has
2834                             not executed properly
2835         :param scaling_in: True destroys the application, False destroys the model
2836         :return: None or exception
2837         """
2838
2839         self.logger.debug(
2840             logging_text + " vca_index: {}, vca_deployed: {}, config_descriptor: {}, destroy_ee: {}".format(
2841                 vca_index, vca_deployed, config_descriptor, destroy_ee
2842             )
2843         )
2844
2845         vca_type = vca_deployed.get("type", "lxc_proxy_charm")
2846
2847         # execute terminate_primitives
2848         if exec_primitives:
2849             terminate_primitives = get_ee_sorted_terminate_config_primitive_list(
2850                 config_descriptor.get("terminate-config-primitive"), vca_deployed.get("ee_descriptor_id"))
2851             vdu_id = vca_deployed.get("vdu_id")
2852             vdu_count_index = vca_deployed.get("vdu_count_index")
2853             vdu_name = vca_deployed.get("vdu_name")
2854             vnf_index = vca_deployed.get("member-vnf-index")
2855             if terminate_primitives and vca_deployed.get("needed_terminate"):
2856                 for seq in terminate_primitives:
2857                     # For each sequence in list, get primitive and call _ns_execute_primitive()
2858                     step = "Calling terminate action for vnf_member_index={} primitive={}".format(
2859                         vnf_index, seq.get("name"))
2860                     self.logger.debug(logging_text + step)
2861                     # Create the primitive for each sequence, i.e. "primitive": "touch"
2862                     primitive = seq.get('name')
2863                     mapped_primitive_params = self._get_terminate_primitive_params(seq, vnf_index)
2864
2865                     # Add sub-operation
2866                     self._add_suboperation(db_nslcmop,
2867                                            vnf_index,
2868                                            vdu_id,
2869                                            vdu_count_index,
2870                                            vdu_name,
2871                                            primitive,
2872                                            mapped_primitive_params)
2873                     # Sub-operations: Call _ns_execute_primitive() instead of action()
2874                     try:
2875                         result, result_detail = await self._ns_execute_primitive(
2876                             vca_deployed["ee_id"], primitive,
2877                             mapped_primitive_params,
2878                             vca_type=vca_type,
2879                             vca_id=vca_id,
2880                         )
2881                     except LcmException:
2882                         # this happens when VCA is not deployed. In this case it is not needed to terminate
2883                         continue
2884                     result_ok = ['COMPLETED', 'PARTIALLY_COMPLETED']
2885                     if result not in result_ok:
2886                         raise LcmException("terminate_primitive {}  for vnf_member_index={} fails with "
2887                                            "error {}".format(seq.get("name"), vnf_index, result_detail))
2888                 # set that this VCA do not need terminated
2889                 db_update_entry = "_admin.deployed.VCA.{}.needed_terminate".format(vca_index)
2890                 self.update_db_2("nsrs", db_nslcmop["nsInstanceId"], {db_update_entry: False})
2891
2892         if vca_deployed.get("prometheus_jobs") and self.prometheus:
2893             await self.prometheus.update(remove_jobs=vca_deployed["prometheus_jobs"])
2894
2895         if destroy_ee:
2896             await self.vca_map[vca_type].delete_execution_environment(
2897                 vca_deployed["ee_id"],
2898                 scaling_in=scaling_in,
2899                 vca_id=vca_id,
2900             )
2901
2902     async def _delete_all_N2VC(self, db_nsr: dict, vca_id: str = None):
2903         self._write_all_config_status(db_nsr=db_nsr, status='TERMINATING')
2904         namespace = "." + db_nsr["_id"]
2905         try:
2906             await self.n2vc.delete_namespace(
2907                 namespace=namespace,
2908                 total_timeout=self.timeout_charm_delete,
2909                 vca_id=vca_id,
2910             )
2911         except N2VCNotFound:  # already deleted. Skip
2912             pass
2913         self._write_all_config_status(db_nsr=db_nsr, status='DELETED')
2914
2915     async def _terminate_RO(self, logging_text, nsr_deployed, nsr_id, nslcmop_id, stage):
2916         """
2917         Terminates a deployment from RO
2918         :param logging_text:
2919         :param nsr_deployed: db_nsr._admin.deployed
2920         :param nsr_id:
2921         :param nslcmop_id:
2922         :param stage: list of string with the content to write on db_nslcmop.detailed-status.
2923             this method will update only the index 2, but it will write on database the concatenated content of the list
2924         :return:
2925         """
2926         db_nsr_update = {}
2927         failed_detail = []
2928         ro_nsr_id = ro_delete_action = None
2929         if nsr_deployed and nsr_deployed.get("RO"):
2930             ro_nsr_id = nsr_deployed["RO"].get("nsr_id")
2931             ro_delete_action = nsr_deployed["RO"].get("nsr_delete_action_id")
2932         try:
2933             if ro_nsr_id:
2934                 stage[2] = "Deleting ns from VIM."
2935                 db_nsr_update["detailed-status"] = " ".join(stage)
2936                 self._write_op_status(nslcmop_id, stage)
2937                 self.logger.debug(logging_text + stage[2])
2938                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
2939                 self._write_op_status(nslcmop_id, stage)
2940                 desc = await self.RO.delete("ns", ro_nsr_id)
2941                 ro_delete_action = desc["action_id"]
2942                 db_nsr_update["_admin.deployed.RO.nsr_delete_action_id"] = ro_delete_action
2943                 db_nsr_update["_admin.deployed.RO.nsr_id"] = None
2944                 db_nsr_update["_admin.deployed.RO.nsr_status"] = "DELETED"
2945             if ro_delete_action:
2946                 # wait until NS is deleted from VIM
2947                 stage[2] = "Waiting ns deleted from VIM."
2948                 detailed_status_old = None
2949                 self.logger.debug(logging_text + stage[2] + " RO_id={} ro_delete_action={}".format(ro_nsr_id,
2950                                                                                                    ro_delete_action))
2951                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
2952                 self._write_op_status(nslcmop_id, stage)
2953
2954                 delete_timeout = 20 * 60  # 20 minutes
2955                 while delete_timeout > 0:
2956                     desc = await self.RO.show(
2957                         "ns",
2958                         item_id_name=ro_nsr_id,
2959                         extra_item="action",
2960                         extra_item_id=ro_delete_action)
2961
2962                     # deploymentStatus
2963                     self._on_update_ro_db(nsrs_id=nsr_id, ro_descriptor=desc)
2964
2965                     ns_status, ns_status_info = self.RO.check_action_status(desc)
2966                     if ns_status == "ERROR":
2967                         raise ROclient.ROClientException(ns_status_info)
2968                     elif ns_status == "BUILD":
2969                         stage[2] = "Deleting from VIM {}".format(ns_status_info)
2970                     elif ns_status == "ACTIVE":
2971                         db_nsr_update["_admin.deployed.RO.nsr_delete_action_id"] = None
2972                         db_nsr_update["_admin.deployed.RO.nsr_status"] = "DELETED"
2973                         break
2974                     else:
2975                         assert False, "ROclient.check_action_status returns unknown {}".format(ns_status)
2976                     if stage[2] != detailed_status_old:
2977                         detailed_status_old = stage[2]
2978                         db_nsr_update["detailed-status"] = " ".join(stage)
2979                         self._write_op_status(nslcmop_id, stage)
2980                         self.update_db_2("nsrs", nsr_id, db_nsr_update)
2981                     await asyncio.sleep(5, loop=self.loop)
2982                     delete_timeout -= 5
2983                 else:  # delete_timeout <= 0:
2984                     raise ROclient.ROClientException("Timeout waiting ns deleted from VIM")
2985
2986         except Exception as e:
2987             self.update_db_2("nsrs", nsr_id, db_nsr_update)
2988             if isinstance(e, ROclient.ROClientException) and e.http_code == 404:  # not found
2989                 db_nsr_update["_admin.deployed.RO.nsr_id"] = None
2990                 db_nsr_update["_admin.deployed.RO.nsr_status"] = "DELETED"
2991                 db_nsr_update["_admin.deployed.RO.nsr_delete_action_id"] = None
2992                 self.logger.debug(logging_text + "RO_ns_id={} already deleted".format(ro_nsr_id))
2993             elif isinstance(e, ROclient.ROClientException) and e.http_code == 409:  # conflict
2994                 failed_detail.append("delete conflict: {}".format(e))
2995                 self.logger.debug(logging_text + "RO_ns_id={} delete conflict: {}".format(ro_nsr_id, e))
2996             else:
2997                 failed_detail.append("delete error: {}".format(e))
2998                 self.logger.error(logging_text + "RO_ns_id={} delete error: {}".format(ro_nsr_id, e))
2999
3000         # Delete nsd
3001         if not failed_detail and deep_get(nsr_deployed, ("RO", "nsd_id")):
3002             ro_nsd_id = nsr_deployed["RO"]["nsd_id"]
3003             try:
3004                 stage[2] = "Deleting nsd from RO."
3005                 db_nsr_update["detailed-status"] = " ".join(stage)
3006                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
3007                 self._write_op_status(nslcmop_id, stage)
3008                 await self.RO.delete("nsd", ro_nsd_id)
3009                 self.logger.debug(logging_text + "ro_nsd_id={} deleted".format(ro_nsd_id))
3010                 db_nsr_update["_admin.deployed.RO.nsd_id"] = None
3011             except Exception as e:
3012                 if isinstance(e, ROclient.ROClientException) and e.http_code == 404:  # not found
3013                     db_nsr_update["_admin.deployed.RO.nsd_id"] = None
3014                     self.logger.debug(logging_text + "ro_nsd_id={} already deleted".format(ro_nsd_id))
3015                 elif isinstance(e, ROclient.ROClientException) and e.http_code == 409:  # conflict
3016                     failed_detail.append("ro_nsd_id={} delete conflict: {}".format(ro_nsd_id, e))
3017                     self.logger.debug(logging_text + failed_detail[-1])
3018                 else:
3019                     failed_detail.append("ro_nsd_id={} delete error: {}".format(ro_nsd_id, e))
3020                     self.logger.error(logging_text + failed_detail[-1])
3021
3022         if not failed_detail and deep_get(nsr_deployed, ("RO", "vnfd")):
3023             for index, vnf_deployed in enumerate(nsr_deployed["RO"]["vnfd"]):
3024                 if not vnf_deployed or not vnf_deployed["id"]:
3025                     continue
3026                 try:
3027                     ro_vnfd_id = vnf_deployed["id"]
3028                     stage[2] = "Deleting member_vnf_index={} ro_vnfd_id={} from RO.".format(
3029                         vnf_deployed["member-vnf-index"], ro_vnfd_id)
3030                     db_nsr_update["detailed-status"] = " ".join(stage)
3031                     self.update_db_2("nsrs", nsr_id, db_nsr_update)
3032                     self._write_op_status(nslcmop_id, stage)
3033                     await self.RO.delete("vnfd", ro_vnfd_id)
3034                     self.logger.debug(logging_text + "ro_vnfd_id={} deleted".format(ro_vnfd_id))
3035                     db_nsr_update["_admin.deployed.RO.vnfd.{}.id".format(index)] = None
3036                 except Exception as e:
3037                     if isinstance(e, ROclient.ROClientException) and e.http_code == 404:  # not found
3038                         db_nsr_update["_admin.deployed.RO.vnfd.{}.id".format(index)] = None
3039                         self.logger.debug(logging_text + "ro_vnfd_id={} already deleted ".format(ro_vnfd_id))
3040                     elif isinstance(e, ROclient.ROClientException) and e.http_code == 409:  # conflict
3041                         failed_detail.append("ro_vnfd_id={} delete conflict: {}".format(ro_vnfd_id, e))
3042                         self.logger.debug(logging_text + failed_detail[-1])
3043                     else:
3044                         failed_detail.append("ro_vnfd_id={} delete error: {}".format(ro_vnfd_id, e))
3045                         self.logger.error(logging_text + failed_detail[-1])
3046
3047         if failed_detail:
3048             stage[2] = "Error deleting from VIM"
3049         else:
3050             stage[2] = "Deleted from VIM"
3051         db_nsr_update["detailed-status"] = " ".join(stage)
3052         self.update_db_2("nsrs", nsr_id, db_nsr_update)
3053         self._write_op_status(nslcmop_id, stage)
3054
3055         if failed_detail:
3056             raise LcmException("; ".join(failed_detail))
3057
3058     async def terminate(self, nsr_id, nslcmop_id):
3059         # Try to lock HA task here
3060         task_is_locked_by_me = self.lcm_tasks.lock_HA('ns', 'nslcmops', nslcmop_id)
3061         if not task_is_locked_by_me:
3062             return
3063
3064         logging_text = "Task ns={} terminate={} ".format(nsr_id, nslcmop_id)
3065         self.logger.debug(logging_text + "Enter")
3066         timeout_ns_terminate = self.timeout_ns_terminate
3067         db_nsr = None
3068         db_nslcmop = None
3069         operation_params = None
3070         exc = None
3071         error_list = []   # annotates all failed error messages
3072         db_nslcmop_update = {}
3073         autoremove = False  # autoremove after terminated
3074         tasks_dict_info = {}
3075         db_nsr_update = {}
3076         stage = ["Stage 1/3: Preparing task.", "Waiting for previous operations to terminate.", ""]
3077         # ^ contains [stage, step, VIM-status]
3078         try:
3079             # wait for any previous tasks in process
3080             await self.lcm_tasks.waitfor_related_HA("ns", 'nslcmops', nslcmop_id)
3081
3082             stage[1] = "Getting nslcmop={} from db.".format(nslcmop_id)
3083             db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
3084             operation_params = db_nslcmop.get("operationParams") or {}
3085             if operation_params.get("timeout_ns_terminate"):
3086                 timeout_ns_terminate = operation_params["timeout_ns_terminate"]
3087             stage[1] = "Getting nsr={} from db.".format(nsr_id)
3088             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
3089
3090             db_nsr_update["operational-status"] = "terminating"
3091             db_nsr_update["config-status"] = "terminating"
3092             self._write_ns_status(
3093                 nsr_id=nsr_id,
3094                 ns_state="TERMINATING",
3095                 current_operation="TERMINATING",
3096                 current_operation_id=nslcmop_id,
3097                 other_update=db_nsr_update
3098             )
3099             self._write_op_status(
3100                 op_id=nslcmop_id,
3101                 queuePosition=0,
3102                 stage=stage
3103             )
3104             nsr_deployed = deepcopy(db_nsr["_admin"].get("deployed")) or {}
3105             if db_nsr["_admin"]["nsState"] == "NOT_INSTANTIATED":
3106                 return
3107
3108             stage[1] = "Getting vnf descriptors from db."
3109             db_vnfrs_list = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id})
3110             db_vnfrs_dict = {db_vnfr["member-vnf-index-ref"]: db_vnfr for db_vnfr in db_vnfrs_list}
3111             db_vnfds_from_id = {}
3112             db_vnfds_from_member_index = {}
3113             # Loop over VNFRs
3114             for vnfr in db_vnfrs_list:
3115                 vnfd_id = vnfr["vnfd-id"]
3116                 if vnfd_id not in db_vnfds_from_id:
3117                     vnfd = self.db.get_one("vnfds", {"_id": vnfd_id})
3118                     db_vnfds_from_id[vnfd_id] = vnfd
3119                 db_vnfds_from_member_index[vnfr["member-vnf-index-ref"]] = db_vnfds_from_id[vnfd_id]
3120
3121             # Destroy individual execution environments when there are terminating primitives.
3122             # Rest of EE will be deleted at once
3123             # TODO - check before calling _destroy_N2VC
3124             # if not operation_params.get("skip_terminate_primitives"):#
3125             # or not vca.get("needed_terminate"):
3126             stage[0] = "Stage 2/3 execute terminating primitives."
3127             self.logger.debug(logging_text + stage[0])
3128             stage[1] = "Looking execution environment that needs terminate."
3129             self.logger.debug(logging_text + stage[1])
3130
3131             for vca_index, vca in enumerate(get_iterable(nsr_deployed, "VCA")):
3132                 config_descriptor = None
3133
3134                 vca_id = self.get_vca_id(db_vnfrs_dict[vca["member-vnf-index"]], db_nsr)
3135                 if not vca or not vca.get("ee_id"):
3136                     continue
3137                 if not vca.get("member-vnf-index"):
3138                     # ns
3139                     config_descriptor = db_nsr.get("ns-configuration")
3140                 elif vca.get("vdu_id"):
3141                     db_vnfd = db_vnfds_from_member_index[vca["member-vnf-index"]]
3142                     config_descriptor = get_configuration(db_vnfd, vca.get("vdu_id"))
3143                 elif vca.get("kdu_name"):
3144                     db_vnfd = db_vnfds_from_member_index[vca["member-vnf-index"]]
3145                     config_descriptor = get_configuration(db_vnfd, vca.get("kdu_name"))
3146                 else:
3147                     db_vnfd = db_vnfds_from_member_index[vca["member-vnf-index"]]
3148                     config_descriptor = get_configuration(db_vnfd, db_vnfd["id"])
3149                 vca_type = vca.get("type")
3150                 exec_terminate_primitives = (not operation_params.get("skip_terminate_primitives") and
3151                                              vca.get("needed_terminate"))
3152                 # For helm we must destroy_ee. Also for native_charm, as juju_model cannot be deleted if there are
3153                 # pending native charms
3154                 destroy_ee = True if vca_type in ("helm", "helm-v3", "native_charm") else False
3155                 # self.logger.debug(logging_text + "vca_index: {}, ee_id: {}, vca_type: {} destroy_ee: {}".format(
3156                 #     vca_index, vca.get("ee_id"), vca_type, destroy_ee))
3157                 task = asyncio.ensure_future(
3158                     self.destroy_N2VC(
3159                         logging_text,
3160                         db_nslcmop,
3161                         vca,
3162                         config_descriptor,
3163                         vca_index,
3164                         destroy_ee,
3165                         exec_terminate_primitives,
3166                         vca_id=vca_id,
3167                     )
3168                 )
3169                 tasks_dict_info[task] = "Terminating VCA {}".format(vca.get("ee_id"))
3170
3171             # wait for pending tasks of terminate primitives
3172             if tasks_dict_info:
3173                 self.logger.debug(logging_text + 'Waiting for tasks {}'.format(list(tasks_dict_info.keys())))
3174                 error_list = await self._wait_for_tasks(logging_text, tasks_dict_info,
3175                                                         min(self.timeout_charm_delete, timeout_ns_terminate),
3176                                                         stage, nslcmop_id)
3177                 tasks_dict_info.clear()
3178                 if error_list:
3179                     return   # raise LcmException("; ".join(error_list))
3180
3181             # remove All execution environments at once
3182             stage[0] = "Stage 3/3 delete all."
3183
3184             if nsr_deployed.get("VCA"):
3185                 stage[1] = "Deleting all execution environments."
3186                 self.logger.debug(logging_text + stage[1])
3187                 vca_id = self.get_vca_id({}, db_nsr)
3188                 task_delete_ee = asyncio.ensure_future(
3189                     asyncio.wait_for(
3190                         self._delete_all_N2VC(db_nsr=db_nsr, vca_id=vca_id),
3191                         timeout=self.timeout_charm_delete
3192                     )
3193                 )
3194                 # task_delete_ee = asyncio.ensure_future(self.n2vc.delete_namespace(namespace="." + nsr_id))
3195                 tasks_dict_info[task_delete_ee] = "Terminating all VCA"
3196
3197             # Delete from k8scluster
3198             stage[1] = "Deleting KDUs."
3199             self.logger.debug(logging_text + stage[1])
3200             # print(nsr_deployed)
3201             for kdu in get_iterable(nsr_deployed, "K8s"):
3202                 if not kdu or not kdu.get("kdu-instance"):
3203                     continue
3204                 kdu_instance = kdu.get("kdu-instance")
3205                 if kdu.get("k8scluster-type") in self.k8scluster_map:
3206                     # TODO: Uninstall kdu instances taking into account they could be deployed in different VIMs
3207                     vca_id = self.get_vca_id({}, db_nsr)
3208                     task_delete_kdu_instance = asyncio.ensure_future(
3209                         self.k8scluster_map[kdu["k8scluster-type"]].uninstall(
3210                             cluster_uuid=kdu.get("k8scluster-uuid"),
3211                             kdu_instance=kdu_instance,
3212                             vca_id=vca_id,
3213                         )
3214                     )
3215                 else:
3216                     self.logger.error(logging_text + "Unknown k8s deployment type {}".
3217                                       format(kdu.get("k8scluster-type")))
3218                     continue
3219                 tasks_dict_info[task_delete_kdu_instance] = "Terminating KDU '{}'".format(kdu.get("kdu-name"))
3220
3221             # remove from RO
3222             stage[1] = "Deleting ns from VIM."
3223             if self.ng_ro:
3224                 task_delete_ro = asyncio.ensure_future(
3225                     self._terminate_ng_ro(logging_text, nsr_deployed, nsr_id, nslcmop_id, stage))
3226             else:
3227                 task_delete_ro = asyncio.ensure_future(
3228                     self._terminate_RO(logging_text, nsr_deployed, nsr_id, nslcmop_id, stage))
3229             tasks_dict_info[task_delete_ro] = "Removing deployment from VIM"
3230
3231             # rest of staff will be done at finally
3232
3233         except (ROclient.ROClientException, DbException, LcmException, N2VCException) as e:
3234             self.logger.error(logging_text + "Exit Exception {}".format(e))
3235             exc = e
3236         except asyncio.CancelledError:
3237             self.logger.error(logging_text + "Cancelled Exception while '{}'".format(stage[1]))
3238             exc = "Operation was cancelled"
3239         except Exception as e:
3240             exc = traceback.format_exc()
3241             self.logger.critical(logging_text + "Exit Exception while '{}': {}".format(stage[1], e), exc_info=True)
3242         finally:
3243             if exc:
3244                 error_list.append(str(exc))
3245             try:
3246                 # wait for pending tasks
3247                 if tasks_dict_info:
3248                     stage[1] = "Waiting for terminate pending tasks."
3249                     self.logger.debug(logging_text + stage[1])
3250                     error_list += await self._wait_for_tasks(logging_text, tasks_dict_info, timeout_ns_terminate,
3251                                                              stage, nslcmop_id)
3252                 stage[1] = stage[2] = ""
3253             except asyncio.CancelledError:
3254                 error_list.append("Cancelled")
3255                 # TODO cancell all tasks
3256             except Exception as exc:
3257                 error_list.append(str(exc))
3258             # update status at database
3259             if error_list:
3260                 error_detail = "; ".join(error_list)
3261                 # self.logger.error(logging_text + error_detail)
3262                 error_description_nslcmop = '{} Detail: {}'.format(stage[0], error_detail)
3263                 error_description_nsr = 'Operation: TERMINATING.{}, {}.'.format(nslcmop_id, stage[0])
3264
3265                 db_nsr_update["operational-status"] = "failed"
3266                 db_nsr_update["detailed-status"] = error_description_nsr + " Detail: " + error_detail
3267                 db_nslcmop_update["detailed-status"] = error_detail
3268                 nslcmop_operation_state = "FAILED"
3269                 ns_state = "BROKEN"
3270             else:
3271                 error_detail = None
3272                 error_description_nsr = error_description_nslcmop = None
3273                 ns_state = "NOT_INSTANTIATED"
3274                 db_nsr_update["operational-status"] = "terminated"
3275                 db_nsr_update["detailed-status"] = "Done"
3276                 db_nsr_update["_admin.nsState"] = "NOT_INSTANTIATED"
3277                 db_nslcmop_update["detailed-status"] = "Done"
3278                 nslcmop_operation_state = "COMPLETED"
3279
3280             if db_nsr:
3281                 self._write_ns_status(
3282                     nsr_id=nsr_id,
3283                     ns_state=ns_state,
3284                     current_operation="IDLE",
3285                     current_operation_id=None,
3286                     error_description=error_description_nsr,
3287                     error_detail=error_detail,
3288                     other_update=db_nsr_update
3289                 )
3290             self._write_op_status(
3291                 op_id=nslcmop_id,
3292                 stage="",
3293                 error_message=error_description_nslcmop,
3294                 operation_state=nslcmop_operation_state,
3295                 other_update=db_nslcmop_update,
3296             )
3297             if ns_state == "NOT_INSTANTIATED":
3298                 try:
3299                     self.db.set_list("vnfrs", {"nsr-id-ref": nsr_id}, {"_admin.nsState": "NOT_INSTANTIATED"})
3300                 except DbException as e:
3301                     self.logger.warn(logging_text + 'Error writing VNFR status for nsr-id-ref: {} -> {}'.
3302                                      format(nsr_id, e))
3303             if operation_params:
3304                 autoremove = operation_params.get("autoremove", False)
3305             if nslcmop_operation_state:
3306                 try:
3307                     await self.msg.aiowrite("ns", "terminated", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,
3308                                                                  "operationState": nslcmop_operation_state,
3309                                                                  "autoremove": autoremove},
3310                                             loop=self.loop)
3311                 except Exception as e:
3312                     self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
3313
3314             self.logger.debug(logging_text + "Exit")
3315             self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_terminate")
3316
3317     async def _wait_for_tasks(self, logging_text, created_tasks_info, timeout, stage, nslcmop_id, nsr_id=None):
3318         time_start = time()
3319         error_detail_list = []
3320         error_list = []
3321         pending_tasks = list(created_tasks_info.keys())
3322         num_tasks = len(pending_tasks)
3323         num_done = 0
3324         stage[1] = "{}/{}.".format(num_done, num_tasks)
3325         self._write_op_status(nslcmop_id, stage)
3326         while pending_tasks:
3327             new_error = None
3328             _timeout = timeout + time_start - time()
3329             done, pending_tasks = await asyncio.wait(pending_tasks, timeout=_timeout,
3330                                                      return_when=asyncio.FIRST_COMPLETED)
3331             num_done += len(done)
3332             if not done:   # Timeout
3333                 for task in pending_tasks:
3334                     new_error = created_tasks_info[task] + ": Timeout"
3335                     error_detail_list.append(new_error)
3336                     error_list.append(new_error)
3337                 break
3338             for task in done:
3339                 if task.cancelled():
3340                     exc = "Cancelled"
3341                 else:
3342                     exc = task.exception()
3343                 if exc:
3344                     if isinstance(exc, asyncio.TimeoutError):
3345                         exc = "Timeout"
3346                     new_error = created_tasks_info[task] + ": {}".format(exc)
3347                     error_list.append(created_tasks_info[task])
3348                     error_detail_list.append(new_error)
3349                     if isinstance(exc, (str, DbException, N2VCException, ROclient.ROClientException, LcmException,
3350                                         K8sException, NgRoException)):
3351                         self.logger.error(logging_text + new_error)
3352                     else:
3353                         exc_traceback = "".join(traceback.format_exception(None, exc, exc.__traceback__))
3354                         self.logger.error(logging_text + created_tasks_info[task] + " " + exc_traceback)
3355                 else:
3356                     self.logger.debug(logging_text + created_tasks_info[task] + ": Done")
3357             stage[1] = "{}/{}.".format(num_done, num_tasks)
3358             if new_error:
3359                 stage[1] += " Errors: " + ". ".join(error_detail_list) + "."
3360                 if nsr_id:  # update also nsr
3361                     self.update_db_2("nsrs", nsr_id, {"errorDescription": "Error at: " + ", ".join(error_list),
3362                                                       "errorDetail": ". ".join(error_detail_list)})
3363             self._write_op_status(nslcmop_id, stage)
3364         return error_detail_list
3365
3366     @staticmethod
3367     def _map_primitive_params(primitive_desc, params, instantiation_params):
3368         """
3369         Generates the params to be provided to charm before executing primitive. If user does not provide a parameter,
3370         The default-value is used. If it is between < > it look for a value at instantiation_params
3371         :param primitive_desc: portion of VNFD/NSD that describes primitive
3372         :param params: Params provided by user
3373         :param instantiation_params: Instantiation params provided by user
3374         :return: a dictionary with the calculated params
3375         """
3376         calculated_params = {}
3377         for parameter in primitive_desc.get("parameter", ()):
3378             param_name = parameter["name"]
3379             if param_name in params:
3380                 calculated_params[param_name] = params[param_name]
3381             elif "default-value" in parameter or "value" in parameter:
3382                 if "value" in parameter:
3383                     calculated_params[param_name] = parameter["value"]
3384                 else:
3385                     calculated_params[param_name] = parameter["default-value"]
3386                 if isinstance(calculated_params[param_name], str) and calculated_params[param_name].startswith("<") \
3387                         and calculated_params[param_name].endswith(">"):
3388                     if calculated_params[param_name][1:-1] in instantiation_params:
3389                         calculated_params[param_name] = instantiation_params[calculated_params[param_name][1:-1]]
3390                     else:
3391                         raise LcmException("Parameter {} needed to execute primitive {} not provided".
3392                                            format(calculated_params[param_name], primitive_desc["name"]))
3393             else:
3394                 raise LcmException("Parameter {} needed to execute primitive {} not provided".
3395                                    format(param_name, primitive_desc["name"]))
3396
3397             if isinstance(calculated_params[param_name], (dict, list, tuple)):
3398                 calculated_params[param_name] = yaml.safe_dump(calculated_params[param_name],
3399                                                                default_flow_style=True, width=256)
3400             elif isinstance(calculated_params[param_name], str) and calculated_params[param_name].startswith("!!yaml "):
3401                 calculated_params[param_name] = calculated_params[param_name][7:]
3402             if parameter.get("data-type") == "INTEGER":
3403                 try:
3404                     calculated_params[param_name] = int(calculated_params[param_name])
3405                 except ValueError:  # error converting string to int
3406                     raise LcmException(
3407                         "Parameter {} of primitive {} must be integer".format(param_name, primitive_desc["name"]))
3408             elif parameter.get("data-type") == "BOOLEAN":
3409                 calculated_params[param_name] = not ((str(calculated_params[param_name])).lower() == 'false')
3410
3411         # add always ns_config_info if primitive name is config
3412         if primitive_desc["name"] == "config":
3413             if "ns_config_info" in instantiation_params:
3414                 calculated_params["ns_config_info"] = instantiation_params["ns_config_info"]
3415         return calculated_params
3416
3417     def _look_for_deployed_vca(self, deployed_vca, member_vnf_index, vdu_id, vdu_count_index, kdu_name=None,
3418                                ee_descriptor_id=None):
3419         # find vca_deployed record for this action. Raise LcmException if not found or there is not any id.
3420         for vca in deployed_vca:
3421             if not vca:
3422                 continue
3423             if member_vnf_index != vca["member-vnf-index"] or vdu_id != vca["vdu_id"]:
3424                 continue
3425             if vdu_count_index is not None and vdu_count_index != vca["vdu_count_index"]:
3426                 continue
3427             if kdu_name and kdu_name != vca["kdu_name"]:
3428                 continue
3429             if ee_descriptor_id and ee_descriptor_id != vca["ee_descriptor_id"]:
3430                 continue
3431             break
3432         else:
3433             # vca_deployed not found
3434             raise LcmException("charm for member_vnf_index={} vdu_id={}.{} kdu_name={} execution-environment-list.id={}"
3435                                " is not deployed".format(member_vnf_index, vdu_id, vdu_count_index, kdu_name,
3436                                                          ee_descriptor_id))
3437         # get ee_id
3438         ee_id = vca.get("ee_id")
3439         vca_type = vca.get("type", "lxc_proxy_charm")  # default value for backward compatibility - proxy charm
3440         if not ee_id:
3441             raise LcmException("charm for member_vnf_index={} vdu_id={} kdu_name={} vdu_count_index={} has not "
3442                                "execution environment"
3443                                .format(member_vnf_index, vdu_id, kdu_name, vdu_count_index))
3444         return ee_id, vca_type
3445
3446     async def _ns_execute_primitive(
3447         self,
3448         ee_id,
3449         primitive,
3450         primitive_params,
3451         retries=0,
3452         retries_interval=30,
3453         timeout=None,
3454         vca_type=None,
3455         db_dict=None,
3456         vca_id: str = None,
3457     ) -> (str, str):
3458         try:
3459             if primitive == "config":
3460                 primitive_params = {"params": primitive_params}
3461
3462             vca_type = vca_type or "lxc_proxy_charm"
3463
3464             while retries >= 0:
3465                 try:
3466                     output = await asyncio.wait_for(
3467                         self.vca_map[vca_type].exec_primitive(
3468                             ee_id=ee_id,
3469                             primitive_name=primitive,
3470                             params_dict=primitive_params,
3471                             progress_timeout=self.timeout_progress_primitive,
3472                             total_timeout=self.timeout_primitive,
3473                             db_dict=db_dict,
3474                             vca_id=vca_id,
3475                         ),
3476                         timeout=timeout or self.timeout_primitive)
3477                     # execution was OK
3478                     break
3479                 except asyncio.CancelledError:
3480                     raise
3481                 except Exception as e:  # asyncio.TimeoutError
3482                     if isinstance(e, asyncio.TimeoutError):
3483                         e = "Timeout"
3484                     retries -= 1
3485                     if retries >= 0:
3486                         self.logger.debug('Error executing action {} on {} -> {}'.format(primitive, ee_id, e))
3487                         # wait and retry
3488                         await asyncio.sleep(retries_interval, loop=self.loop)
3489                     else:
3490                         return 'FAILED', str(e)
3491
3492             return 'COMPLETED', output
3493
3494         except (LcmException, asyncio.CancelledError):
3495             raise
3496         except Exception as e:
3497             return 'FAIL', 'Error executing action {}: {}'.format(primitive, e)
3498
3499     async def vca_status_refresh(self, nsr_id, nslcmop_id):
3500         """
3501         Updating the vca_status with latest juju information in nsrs record
3502         :param: nsr_id: Id of the nsr
3503         :param: nslcmop_id: Id of the nslcmop
3504         :return: None
3505         """
3506
3507         self.logger.debug("Task ns={} action={} Enter".format(nsr_id, nslcmop_id))
3508         db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
3509         vca_id = self.get_vca_id({}, db_nsr)
3510         if db_nsr['_admin']['deployed']['K8s']:
3511             for k8s_index, k8s in enumerate(db_nsr['_admin']['deployed']['K8s']):
3512                 cluster_uuid, kdu_instance = k8s["k8scluster-uuid"], k8s["kdu-instance"]
3513                 await self._on_update_k8s_db(cluster_uuid, kdu_instance, filter={'_id': nsr_id}, vca_id=vca_id)
3514         else:
3515             for vca_index, _ in enumerate(db_nsr['_admin']['deployed']['VCA']):
3516                 table, filter = "nsrs", {"_id": nsr_id}
3517                 path = "_admin.deployed.VCA.{}.".format(vca_index)
3518                 await self._on_update_n2vc_db(table, filter, path, {})
3519
3520         self.logger.debug("Task ns={} action={} Exit".format(nsr_id, nslcmop_id))
3521         self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_vca_status_refresh")
3522
3523     async def action(self, nsr_id, nslcmop_id):
3524         # Try to lock HA task here
3525         task_is_locked_by_me = self.lcm_tasks.lock_HA('ns', 'nslcmops', nslcmop_id)
3526         if not task_is_locked_by_me:
3527             return
3528
3529         logging_text = "Task ns={} action={} ".format(nsr_id, nslcmop_id)
3530         self.logger.debug(logging_text + "Enter")
3531         # get all needed from database
3532         db_nsr = None
3533         db_nslcmop = None
3534         db_nsr_update = {}
3535         db_nslcmop_update = {}
3536         nslcmop_operation_state = None
3537         error_description_nslcmop = None
3538         exc = None
3539         try:
3540             # wait for any previous tasks in process
3541             step = "Waiting for previous operations to terminate"
3542             await self.lcm_tasks.waitfor_related_HA('ns', 'nslcmops', nslcmop_id)
3543
3544             self._write_ns_status(
3545                 nsr_id=nsr_id,
3546                 ns_state=None,
3547                 current_operation="RUNNING ACTION",
3548                 current_operation_id=nslcmop_id
3549             )
3550
3551             step = "Getting information from database"
3552             db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
3553             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
3554
3555             nsr_deployed = db_nsr["_admin"].get("deployed")
3556             vnf_index = db_nslcmop["operationParams"].get("member_vnf_index")
3557             vdu_id = db_nslcmop["operationParams"].get("vdu_id")
3558             kdu_name = db_nslcmop["operationParams"].get("kdu_name")
3559             vdu_count_index = db_nslcmop["operationParams"].get("vdu_count_index")
3560             primitive = db_nslcmop["operationParams"]["primitive"]
3561             primitive_params = db_nslcmop["operationParams"]["primitive_params"]
3562             timeout_ns_action = db_nslcmop["operationParams"].get("timeout_ns_action", self.timeout_primitive)
3563
3564             if vnf_index:
3565                 step = "Getting vnfr from database"
3566                 db_vnfr = self.db.get_one("vnfrs", {"member-vnf-index-ref": vnf_index, "nsr-id-ref": nsr_id})
3567                 step = "Getting vnfd from database"
3568                 db_vnfd = self.db.get_one("vnfds", {"_id": db_vnfr["vnfd-id"]})
3569             else:
3570                 step = "Getting nsd from database"
3571                 db_nsd = self.db.get_one("nsds", {"_id": db_nsr["nsd-id"]})
3572
3573             vca_id = self.get_vca_id(db_vnfr, db_nsr)
3574             # for backward compatibility
3575             if nsr_deployed and isinstance(nsr_deployed.get("VCA"), dict):
3576                 nsr_deployed["VCA"] = list(nsr_deployed["VCA"].values())
3577                 db_nsr_update["_admin.deployed.VCA"] = nsr_deployed["VCA"]
3578                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
3579
3580             # look for primitive
3581             config_primitive_desc = descriptor_configuration = None
3582             if vdu_id:
3583                 descriptor_configuration = get_configuration(db_vnfd, vdu_id)
3584             elif kdu_name:
3585                 descriptor_configuration = get_configuration(db_vnfd, kdu_name)
3586             elif vnf_index:
3587                 descriptor_configuration = get_configuration(db_vnfd, db_vnfd["id"])
3588             else:
3589                 descriptor_configuration = db_nsd.get("ns-configuration")
3590
3591             if descriptor_configuration and descriptor_configuration.get("config-primitive"):
3592                 for config_primitive in descriptor_configuration["config-primitive"]:
3593                     if config_primitive["name"] == primitive:
3594                         config_primitive_desc = config_primitive
3595                         break
3596
3597             if not config_primitive_desc:
3598                 if not (kdu_name and primitive in ("upgrade", "rollback", "status")):
3599                     raise LcmException("Primitive {} not found at [ns|vnf|vdu]-configuration:config-primitive ".
3600                                        format(primitive))
3601                 primitive_name = primitive
3602                 ee_descriptor_id = None
3603             else:
3604                 primitive_name = config_primitive_desc.get("execution-environment-primitive", primitive)
3605                 ee_descriptor_id = config_primitive_desc.get("execution-environment-ref")
3606
3607             if vnf_index:
3608                 if vdu_id:
3609                     vdur = next((x for x in db_vnfr["vdur"] if x["vdu-id-ref"] == vdu_id), None)
3610                     desc_params = parse_yaml_strings(vdur.get("additionalParams"))
3611                 elif kdu_name:
3612                     kdur = next((x for x in db_vnfr["kdur"] if x["kdu-name"] == kdu_name), None)
3613                     desc_params = parse_yaml_strings(kdur.get("additionalParams"))
3614                 else:
3615                     desc_params = parse_yaml_strings(db_vnfr.get("additionalParamsForVnf"))
3616             else:
3617                 desc_params = parse_yaml_strings(db_nsr.get("additionalParamsForNs"))
3618             if kdu_name and get_configuration(db_vnfd, kdu_name):
3619                 kdu_configuration = get_configuration(db_vnfd, kdu_name)
3620                 actions = set()
3621                 for primitive in kdu_configuration.get("initial-config-primitive", []):
3622                     actions.add(primitive["name"])
3623                 for primitive in kdu_configuration.get("config-primitive", []):
3624                     actions.add(primitive["name"])
3625                 kdu_action = True if primitive_name in actions else False
3626
3627             # TODO check if ns is in a proper status
3628             if kdu_name and (primitive_name in ("upgrade", "rollback", "status") or kdu_action):
3629                 # kdur and desc_params already set from before
3630                 if primitive_params:
3631                     desc_params.update(primitive_params)
3632                 # TODO Check if we will need something at vnf level
3633                 for index, kdu in enumerate(get_iterable(nsr_deployed, "K8s")):
3634                     if kdu_name == kdu["kdu-name"] and kdu["member-vnf-index"] == vnf_index:
3635                         break
3636                 else:
3637                     raise LcmException("KDU '{}' for vnf '{}' not deployed".format(kdu_name, vnf_index))
3638
3639                 if kdu.get("k8scluster-type") not in self.k8scluster_map:
3640                     msg = "unknown k8scluster-type '{}'".format(kdu.get("k8scluster-type"))
3641                     raise LcmException(msg)
3642
3643                 db_dict = {"collection": "nsrs",
3644                            "filter": {"_id": nsr_id},
3645                            "path": "_admin.deployed.K8s.{}".format(index)}
3646                 self.logger.debug(logging_text + "Exec k8s {} on {}.{}".format(primitive_name, vnf_index, kdu_name))
3647                 step = "Executing kdu {}".format(primitive_name)
3648                 if primitive_name == "upgrade":
3649                     if desc_params.get("kdu_model"):
3650                         kdu_model = desc_params.get("kdu_model")
3651                         del desc_params["kdu_model"]
3652                     else:
3653                         kdu_model = kdu.get("kdu-model")
3654                         parts = kdu_model.split(sep=":")
3655                         if len(parts) == 2:
3656                             kdu_model = parts[0]
3657
3658                     detailed_status = await asyncio.wait_for(
3659                         self.k8scluster_map[kdu["k8scluster-type"]].upgrade(
3660                             cluster_uuid=kdu.get("k8scluster-uuid"),
3661                             kdu_instance=kdu.get("kdu-instance"),
3662                             atomic=True, kdu_model=kdu_model,
3663                             params=desc_params, db_dict=db_dict,
3664                             timeout=timeout_ns_action),
3665                         timeout=timeout_ns_action + 10)
3666                     self.logger.debug(logging_text + " Upgrade of kdu {} done".format(detailed_status))
3667                 elif primitive_name == "rollback":
3668                     detailed_status = await asyncio.wait_for(
3669                         self.k8scluster_map[kdu["k8scluster-type"]].rollback(
3670                             cluster_uuid=kdu.get("k8scluster-uuid"),
3671                             kdu_instance=kdu.get("kdu-instance"),
3672                             db_dict=db_dict),
3673                         timeout=timeout_ns_action)
3674                 elif primitive_name == "status":
3675                     detailed_status = await asyncio.wait_for(
3676                         self.k8scluster_map[kdu["k8scluster-type"]].status_kdu(
3677                             cluster_uuid=kdu.get("k8scluster-uuid"),
3678                             kdu_instance=kdu.get("kdu-instance"),
3679                             vca_id=vca_id,
3680                         ),
3681                         timeout=timeout_ns_action
3682                     )
3683                 else:
3684                     kdu_instance = kdu.get("kdu-instance") or "{}-{}".format(kdu["kdu-name"], nsr_id)
3685                     params = self._map_primitive_params(config_primitive_desc, primitive_params, desc_params)
3686
3687                     detailed_status = await asyncio.wait_for(
3688                         self.k8scluster_map[kdu["k8scluster-type"]].exec_primitive(
3689                             cluster_uuid=kdu.get("k8scluster-uuid"),
3690                             kdu_instance=kdu_instance,
3691                             primitive_name=primitive_name,
3692                             params=params, db_dict=db_dict,
3693                             timeout=timeout_ns_action,
3694                             vca_id=vca_id,
3695                         ),
3696                         timeout=timeout_ns_action
3697                     )
3698
3699                 if detailed_status:
3700                     nslcmop_operation_state = 'COMPLETED'
3701                 else:
3702                     detailed_status = ''
3703                     nslcmop_operation_state = 'FAILED'
3704             else:
3705                 ee_id, vca_type = self._look_for_deployed_vca(nsr_deployed["VCA"], member_vnf_index=vnf_index,
3706                                                               vdu_id=vdu_id, vdu_count_index=vdu_count_index,
3707                                                               ee_descriptor_id=ee_descriptor_id)
3708                 for vca_index, vca_deployed in enumerate(db_nsr['_admin']['deployed']['VCA']):
3709                     if vca_deployed.get("member-vnf-index") == vnf_index:
3710                         db_dict = {"collection": "nsrs",
3711                                    "filter": {"_id": nsr_id},
3712                                    "path": "_admin.deployed.VCA.{}.".format(vca_index)}
3713                         break
3714                 nslcmop_operation_state, detailed_status = await self._ns_execute_primitive(
3715                     ee_id,
3716                     primitive=primitive_name,
3717                     primitive_params=self._map_primitive_params(config_primitive_desc, primitive_params, desc_params),
3718                     timeout=timeout_ns_action,
3719                     vca_type=vca_type,
3720                     db_dict=db_dict,
3721                     vca_id=vca_id,
3722                 )
3723
3724             db_nslcmop_update["detailed-status"] = detailed_status
3725             error_description_nslcmop = detailed_status if nslcmop_operation_state == "FAILED" else ""
3726             self.logger.debug(logging_text + " task Done with result {} {}".format(nslcmop_operation_state,
3727                                                                                    detailed_status))
3728             return  # database update is called inside finally
3729
3730         except (DbException, LcmException, N2VCException, K8sException) as e:
3731             self.logger.error(logging_text + "Exit Exception {}".format(e))
3732             exc = e
3733         except asyncio.CancelledError:
3734             self.logger.error(logging_text + "Cancelled Exception while '{}'".format(step))
3735             exc = "Operation was cancelled"
3736         except asyncio.TimeoutError:
3737             self.logger.error(logging_text + "Timeout while '{}'".format(step))
3738             exc = "Timeout"
3739         except Exception as e:
3740             exc = traceback.format_exc()
3741             self.logger.critical(logging_text + "Exit Exception {} {}".format(type(e).__name__, e), exc_info=True)
3742         finally:
3743             if exc:
3744                 db_nslcmop_update["detailed-status"] = detailed_status = error_description_nslcmop = \
3745                     "FAILED {}: {}".format(step, exc)
3746                 nslcmop_operation_state = "FAILED"
3747             if db_nsr:
3748                 self._write_ns_status(
3749                     nsr_id=nsr_id,
3750                     ns_state=db_nsr["nsState"],   # TODO check if degraded. For the moment use previous status
3751                     current_operation="IDLE",
3752                     current_operation_id=None,
3753                     # error_description=error_description_nsr,
3754                     # error_detail=error_detail,
3755                     other_update=db_nsr_update
3756                 )
3757
3758             self._write_op_status(op_id=nslcmop_id, stage="", error_message=error_description_nslcmop,
3759                                   operation_state=nslcmop_operation_state, other_update=db_nslcmop_update)
3760
3761             if nslcmop_operation_state:
3762                 try:
3763                     await self.msg.aiowrite("ns", "actioned", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,
3764                                                                "operationState": nslcmop_operation_state},
3765                                             loop=self.loop)
3766                 except Exception as e:
3767                     self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
3768             self.logger.debug(logging_text + "Exit")
3769             self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_action")
3770             return nslcmop_operation_state, detailed_status
3771
3772     async def scale(self, nsr_id, nslcmop_id):
3773         # Try to lock HA task here
3774         task_is_locked_by_me = self.lcm_tasks.lock_HA('ns', 'nslcmops', nslcmop_id)
3775         if not task_is_locked_by_me:
3776             return
3777
3778         logging_text = "Task ns={} scale={} ".format(nsr_id, nslcmop_id)
3779         stage = ['', '', '']
3780         tasks_dict_info = {}
3781         # ^ stage, step, VIM progress
3782         self.logger.debug(logging_text + "Enter")
3783         # get all needed from database
3784         db_nsr = None
3785         db_nslcmop_update = {}
3786         db_nsr_update = {}
3787         exc = None
3788         # in case of error, indicates what part of scale was failed to put nsr at error status
3789         scale_process = None
3790         old_operational_status = ""
3791         old_config_status = ""
3792         nsi_id = None
3793         try:
3794             # wait for any previous tasks in process
3795             step = "Waiting for previous operations to terminate"
3796             await self.lcm_tasks.waitfor_related_HA('ns', 'nslcmops', nslcmop_id)
3797             self._write_ns_status(nsr_id=nsr_id, ns_state=None,
3798                                   current_operation="SCALING", current_operation_id=nslcmop_id)
3799
3800             step = "Getting nslcmop from database"
3801             self.logger.debug(step + " after having waited for previous tasks to be completed")
3802             db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
3803
3804             step = "Getting nsr from database"
3805             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
3806             old_operational_status = db_nsr["operational-status"]
3807             old_config_status = db_nsr["config-status"]
3808
3809             step = "Parsing scaling parameters"
3810             db_nsr_update["operational-status"] = "scaling"
3811             self.update_db_2("nsrs", nsr_id, db_nsr_update)
3812             nsr_deployed = db_nsr["_admin"].get("deployed")
3813
3814             #######
3815             nsr_deployed = db_nsr["_admin"].get("deployed")
3816             vnf_index = db_nslcmop["operationParams"].get("member_vnf_index")
3817             # vdu_id = db_nslcmop["operationParams"].get("vdu_id")
3818             # vdu_count_index = db_nslcmop["operationParams"].get("vdu_count_index")
3819             # vdu_name = db_nslcmop["operationParams"].get("vdu_name")
3820             #######
3821
3822             vnf_index = db_nslcmop["operationParams"]["scaleVnfData"]["scaleByStepData"]["member-vnf-index"]
3823             scaling_group = db_nslcmop["operationParams"]["scaleVnfData"]["scaleByStepData"]["scaling-group-descriptor"]
3824             scaling_type = db_nslcmop["operationParams"]["scaleVnfData"]["scaleVnfType"]
3825             # for backward compatibility
3826             if nsr_deployed and isinstance(nsr_deployed.get("VCA"), dict):
3827                 nsr_deployed["VCA"] = list(nsr_deployed["VCA"].values())
3828                 db_nsr_update["_admin.deployed.VCA"] = nsr_deployed["VCA"]
3829                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
3830
3831             step = "Getting vnfr from database"
3832             db_vnfr = self.db.get_one("vnfrs", {"member-vnf-index-ref": vnf_index, "nsr-id-ref": nsr_id})
3833
3834             vca_id = self.get_vca_id(db_vnfr, db_nsr)
3835
3836             step = "Getting vnfd from database"
3837             db_vnfd = self.db.get_one("vnfds", {"_id": db_vnfr["vnfd-id"]})
3838
3839             base_folder = db_vnfd["_admin"]["storage"]
3840
3841             step = "Getting scaling-group-descriptor"
3842             scaling_descriptor = find_in_list(
3843                 get_scaling_aspect(
3844                     db_vnfd
3845                 ),
3846                 lambda scale_desc: scale_desc["name"] == scaling_group
3847             )
3848             if not scaling_descriptor:
3849                 raise LcmException("input parameter 'scaleByStepData':'scaling-group-descriptor':'{}' is not present "
3850                                    "at vnfd:scaling-group-descriptor".format(scaling_group))
3851
3852             step = "Sending scale order to VIM"
3853             # TODO check if ns is in a proper status
3854             nb_scale_op = 0
3855             if not db_nsr["_admin"].get("scaling-group"):
3856                 self.update_db_2("nsrs", nsr_id, {"_admin.scaling-group": [{"name": scaling_group, "nb-scale-op": 0}]})
3857                 admin_scale_index = 0
3858             else:
3859                 for admin_scale_index, admin_scale_info in enumerate(db_nsr["_admin"]["scaling-group"]):
3860                     if admin_scale_info["name"] == scaling_group:
3861                         nb_scale_op = admin_scale_info.get("nb-scale-op", 0)
3862                         break
3863                 else:  # not found, set index one plus last element and add new entry with the name
3864                     admin_scale_index += 1
3865                     db_nsr_update["_admin.scaling-group.{}.name".format(admin_scale_index)] = scaling_group
3866             RO_scaling_info = []
3867             VCA_scaling_info = []
3868             vdu_scaling_info = {"scaling_group_name": scaling_group, "vdu": []}
3869             if scaling_type == "SCALE_OUT":
3870                 if "aspect-delta-details" not in scaling_descriptor:
3871                     raise LcmException(
3872                         "Aspect delta details not fount in scaling descriptor {}".format(
3873                             scaling_descriptor["name"]
3874                         )
3875                     )
3876                 # count if max-instance-count is reached
3877                 deltas = scaling_descriptor.get("aspect-delta-details")["deltas"]
3878
3879                 vdu_scaling_info["scaling_direction"] = "OUT"
3880                 vdu_scaling_info["vdu-create"] = {}
3881                 for delta in deltas:
3882                     for vdu_delta in delta["vdu-delta"]:
3883                         vdud = get_vdu(db_vnfd, vdu_delta["id"])
3884                         vdu_index = get_vdur_index(db_vnfr, vdu_delta)
3885                         cloud_init_text = self._get_vdu_cloud_init_content(vdud, db_vnfd)
3886                         if cloud_init_text:
3887                             additional_params = self._get_vdu_additional_params(db_vnfr, vdud["id"]) or {}
3888                         cloud_init_list = []
3889
3890                         vdu_profile = get_vdu_profile(db_vnfd, vdu_delta["id"])
3891                         max_instance_count = 10
3892                         if vdu_profile and "max-number-of-instances" in vdu_profile:
3893                             max_instance_count = vdu_profile.get("max-number-of-instances", 10)
3894
3895                         default_instance_num = get_number_of_instances(db_vnfd, vdud["id"])
3896
3897                         nb_scale_op += vdu_delta.get("number-of-instances", 1)
3898
3899                         if nb_scale_op + default_instance_num > max_instance_count:
3900                             raise LcmException(
3901                                 "reached the limit of {} (max-instance-count) "
3902                                 "scaling-out operations for the "
3903                                 "scaling-group-descriptor '{}'".format(nb_scale_op, scaling_group)
3904                             )
3905                         for x in range(vdu_delta.get("number-of-instances", 1)):
3906                             if cloud_init_text:
3907                                 # TODO Information of its own ip is not available because db_vnfr is not updated.
3908                                 additional_params["OSM"] = get_osm_params(
3909                                     db_vnfr,
3910                                     vdu_delta["id"],
3911                                     vdu_index + x
3912                                 )
3913                                 cloud_init_list.append(
3914                                     self._parse_cloud_init(
3915                                         cloud_init_text,
3916                                         additional_params,
3917                                         db_vnfd["id"],
3918                                         vdud["id"]
3919                                     )
3920                                 )
3921                                 VCA_scaling_info.append(
3922                                     {
3923                                         "osm_vdu_id": vdu_delta["id"],
3924                                         "member-vnf-index": vnf_index,
3925                                         "type": "create",
3926                                         "vdu_index": vdu_index + x
3927                                     }
3928                                 )
3929                         RO_scaling_info.append(
3930                             {
3931                                 "osm_vdu_id": vdu_delta["id"],
3932                                 "member-vnf-index": vnf_index,
3933                                 "type": "create",
3934                                 "count": vdu_delta.get("number-of-instances", 1)
3935                             }
3936                         )
3937                         if cloud_init_list:
3938                             RO_scaling_info[-1]["cloud_init"] = cloud_init_list
3939                         vdu_scaling_info["vdu-create"][vdu_delta["id"]] = vdu_delta.get("number-of-instances", 1)
3940
3941             elif scaling_type == "SCALE_IN":
3942                 if "min-instance-count" in scaling_descriptor and scaling_descriptor["min-instance-count"] is not None:
3943                     min_instance_count = int(scaling_descriptor["min-instance-count"])
3944
3945                 vdu_scaling_info["scaling_direction"] = "IN"
3946                 vdu_scaling_info["vdu-delete"] = {}
3947                 deltas = scaling_descriptor.get("aspect-delta-details")["deltas"]
3948                 for delta in deltas:
3949                     for vdu_delta in delta["vdu-delta"]:
3950                         vdu_index = get_vdur_index(db_vnfr, vdu_delta)
3951                         min_instance_count = 0
3952                         vdu_profile = get_vdu_profile(db_vnfd, vdu_delta["id"])
3953                         if vdu_profile and "min-number-of-instances" in vdu_profile:
3954                             min_instance_count = vdu_profile["min-number-of-instances"]
3955
3956                         default_instance_num = get_number_of_instances(db_vnfd, vdu_delta["id"])
3957
3958                         nb_scale_op -= vdu_delta.get("number-of-instances", 1)
3959                         if nb_scale_op + default_instance_num < min_instance_count:
3960                             raise LcmException(
3961                                 "reached the limit of {} (min-instance-count) scaling-in operations for the "
3962                                 "scaling-group-descriptor '{}'".format(nb_scale_op, scaling_group)
3963                             )
3964                         RO_scaling_info.append({"osm_vdu_id": vdu_delta["id"], "member-vnf-index": vnf_index,
3965                                                 "type": "delete", "count": vdu_delta.get("number-of-instances", 1),
3966                                                 "vdu_index": vdu_index - 1})
3967                         for x in range(vdu_delta.get("number-of-instances", 1)):
3968                             VCA_scaling_info.append(
3969                                 {
3970                                     "osm_vdu_id": vdu_delta["id"],
3971                                     "member-vnf-index": vnf_index,
3972                                     "type": "delete",
3973                                     "vdu_index": vdu_index - 1 - x
3974                                 }
3975                             )
3976                         vdu_scaling_info["vdu-delete"][vdu_delta["id"]] = vdu_delta.get("number-of-instances", 1)
3977
3978             # update VDU_SCALING_INFO with the VDUs to delete ip_addresses
3979             vdu_delete = copy(vdu_scaling_info.get("vdu-delete"))
3980             if vdu_scaling_info["scaling_direction"] == "IN":
3981                 for vdur in reversed(db_vnfr["vdur"]):
3982                     if vdu_delete.get(vdur["vdu-id-ref"]):
3983                         vdu_delete[vdur["vdu-id-ref"]] -= 1
3984                         vdu_scaling_info["vdu"].append({
3985                             "name": vdur.get("name") or vdur.get("vdu-name"),
3986                             "vdu_id": vdur["vdu-id-ref"],
3987                             "interface": []
3988                         })
3989                         for interface in vdur["interfaces"]:
3990                             vdu_scaling_info["vdu"][-1]["interface"].append({
3991                                 "name": interface["name"],
3992                                 "ip_address": interface["ip-address"],
3993                                 "mac_address": interface.get("mac-address"),
3994                             })
3995                 # vdu_delete = vdu_scaling_info.pop("vdu-delete")
3996
3997             # PRE-SCALE BEGIN
3998             step = "Executing pre-scale vnf-config-primitive"
3999             if scaling_descriptor.get("scaling-config-action"):
4000                 for scaling_config_action in scaling_descriptor["scaling-config-action"]:
4001                     if (scaling_config_action.get("trigger") == "pre-scale-in" and scaling_type == "SCALE_IN") \
4002                        or (scaling_config_action.get("trigger") == "pre-scale-out" and scaling_type == "SCALE_OUT"):
4003                         vnf_config_primitive = scaling_config_action["vnf-config-primitive-name-ref"]
4004                         step = db_nslcmop_update["detailed-status"] = \
4005                             "executing pre-scale scaling-config-action '{}'".format(vnf_config_primitive)
4006
4007                         # look for primitive
4008                         for config_primitive in (get_configuration(
4009                             db_vnfd, db_vnfd["id"]
4010                         ) or {}).get("config-primitive", ()):
4011                             if config_primitive["name"] == vnf_config_primitive:
4012                                 break
4013                         else:
4014                             raise LcmException(
4015                                 "Invalid vnfd descriptor at scaling-group-descriptor[name='{}']:scaling-config-action"
4016                                 "[vnf-config-primitive-name-ref='{}'] does not match any vnf-configuration:config-"
4017                                 "primitive".format(scaling_group, vnf_config_primitive))
4018
4019                         vnfr_params = {"VDU_SCALE_INFO": vdu_scaling_info}
4020                         if db_vnfr.get("additionalParamsForVnf"):
4021                             vnfr_params.update(db_vnfr["additionalParamsForVnf"])
4022
4023                         scale_process = "VCA"
4024                         db_nsr_update["config-status"] = "configuring pre-scaling"
4025                         primitive_params = self._map_primitive_params(config_primitive, {}, vnfr_params)
4026
4027                         # Pre-scale retry check: Check if this sub-operation has been executed before
4028                         op_index = self._check_or_add_scale_suboperation(
4029                             db_nslcmop, nslcmop_id, vnf_index, vnf_config_primitive, primitive_params, 'PRE-SCALE')
4030                         if op_index == self.SUBOPERATION_STATUS_SKIP:
4031                             # Skip sub-operation
4032                             result = 'COMPLETED'
4033                             result_detail = 'Done'
4034                             self.logger.debug(logging_text +
4035                                               "vnf_config_primitive={} Skipped sub-operation, result {} {}".format(
4036                                                   vnf_config_primitive, result, result_detail))
4037                         else:
4038                             if op_index == self.SUBOPERATION_STATUS_NEW:
4039                                 # New sub-operation: Get index of this sub-operation
4040                                 op_index = len(db_nslcmop.get('_admin', {}).get('operations')) - 1
4041                                 self.logger.debug(logging_text + "vnf_config_primitive={} New sub-operation".
4042                                                   format(vnf_config_primitive))
4043                             else:
4044                                 # retry:  Get registered params for this existing sub-operation
4045                                 op = db_nslcmop.get('_admin', {}).get('operations', [])[op_index]
4046                                 vnf_index = op.get('member_vnf_index')
4047                                 vnf_config_primitive = op.get('primitive')
4048                                 primitive_params = op.get('primitive_params')
4049                                 self.logger.debug(logging_text + "vnf_config_primitive={} Sub-operation retry".
4050                                                   format(vnf_config_primitive))
4051                             # Execute the primitive, either with new (first-time) or registered (reintent) args
4052                             ee_descriptor_id = config_primitive.get("execution-environment-ref")
4053                             primitive_name = config_primitive.get("execution-environment-primitive",
4054                                                                   vnf_config_primitive)
4055                             ee_id, vca_type = self._look_for_deployed_vca(nsr_deployed["VCA"],
4056                                                                           member_vnf_index=vnf_index,
4057                                                                           vdu_id=None,
4058                                                                           vdu_count_index=None,
4059                                                                           ee_descriptor_id=ee_descriptor_id)
4060                             result, result_detail = await self._ns_execute_primitive(
4061                                 ee_id, primitive_name,
4062                                 primitive_params,
4063                                 vca_type=vca_type,
4064                                 vca_id=vca_id,
4065                             )
4066                             self.logger.debug(logging_text + "vnf_config_primitive={} Done with result {} {}".format(
4067                                 vnf_config_primitive, result, result_detail))
4068                             # Update operationState = COMPLETED | FAILED
4069                             self._update_suboperation_status(
4070                                 db_nslcmop, op_index, result, result_detail)
4071
4072                         if result == "FAILED":
4073                             raise LcmException(result_detail)
4074                         db_nsr_update["config-status"] = old_config_status
4075                         scale_process = None
4076             # PRE-SCALE END
4077
4078             db_nsr_update["_admin.scaling-group.{}.nb-scale-op".format(admin_scale_index)] = nb_scale_op
4079             db_nsr_update["_admin.scaling-group.{}.time".format(admin_scale_index)] = time()
4080
4081             # SCALE-IN VCA - BEGIN
4082             if VCA_scaling_info:
4083                 step = db_nslcmop_update["detailed-status"] = \
4084                     "Deleting the execution environments"
4085                 scale_process = "VCA"
4086                 for vdu_info in VCA_scaling_info:
4087                     if vdu_info["type"] == "delete":
4088                         member_vnf_index = str(vdu_info["member-vnf-index"])
4089                         self.logger.debug(logging_text + "vdu info: {}".format(vdu_info))
4090                         vdu_id = vdu_info["osm_vdu_id"]
4091                         vdu_index = int(vdu_info["vdu_index"])
4092                         stage[1] = "Scaling member_vnf_index={}, vdu_id={}, vdu_index={} ".format(
4093                             member_vnf_index, vdu_id, vdu_index)
4094                         stage[2] = step = "Scaling in VCA"
4095                         self._write_op_status(
4096                             op_id=nslcmop_id,
4097                             stage=stage
4098                         )
4099                         vca_update = db_nsr["_admin"]["deployed"]["VCA"]
4100                         config_update = db_nsr["configurationStatus"]
4101                         for vca_index, vca in enumerate(vca_update):
4102                             if (vca or vca.get("ee_id")) and vca["member-vnf-index"] == member_vnf_index and \
4103                                     vca["vdu_count_index"] == vdu_index:
4104                                 if vca.get("vdu_id"):
4105                                     config_descriptor = get_configuration(db_vnfd, vca.get("vdu_id"))
4106                                 elif vca.get("kdu_name"):
4107                                     config_descriptor = get_configuration(db_vnfd, vca.get("kdu_name"))
4108                                 else:
4109                                     config_descriptor = get_configuration(db_vnfd, db_vnfd["id"])
4110                                 operation_params = db_nslcmop.get("operationParams") or {}
4111                                 exec_terminate_primitives = (not operation_params.get("skip_terminate_primitives") and
4112                                                              vca.get("needed_terminate"))
4113                                 task = asyncio.ensure_future(
4114                                     asyncio.wait_for(
4115                                         self.destroy_N2VC(
4116                                             logging_text,
4117                                             db_nslcmop,
4118                                             vca,
4119                                             config_descriptor,
4120                                             vca_index,
4121                                             destroy_ee=True,
4122                                             exec_primitives=exec_terminate_primitives,
4123                                             scaling_in=True,
4124                                             vca_id=vca_id,
4125                                         ),
4126                                         timeout=self.timeout_charm_delete
4127                                     )
4128                                 )
4129                                 tasks_dict_info[task] = "Terminating VCA {}".format(vca.get("ee_id"))
4130                                 del vca_update[vca_index]
4131                                 del config_update[vca_index]
4132                         # wait for pending tasks of terminate primitives
4133                         if tasks_dict_info:
4134                             self.logger.debug(logging_text +
4135                                               'Waiting for tasks {}'.format(list(tasks_dict_info.keys())))
4136                             error_list = await self._wait_for_tasks(logging_text, tasks_dict_info,
4137                                                                     min(self.timeout_charm_delete,
4138                                                                         self.timeout_ns_terminate),
4139                                                                     stage, nslcmop_id)
4140                             tasks_dict_info.clear()
4141                             if error_list:
4142                                 raise LcmException("; ".join(error_list))
4143
4144                         db_vca_and_config_update = {
4145                             "_admin.deployed.VCA": vca_update,
4146                             "configurationStatus": config_update
4147                         }
4148                         self.update_db_2("nsrs", db_nsr["_id"], db_vca_and_config_update)
4149             scale_process = None
4150             # SCALE-IN VCA - END
4151
4152             # SCALE RO - BEGIN
4153             if RO_scaling_info:
4154                 scale_process = "RO"
4155                 if self.ro_config.get("ng"):
4156                     await self._scale_ng_ro(logging_text, db_nsr, db_nslcmop, db_vnfr, vdu_scaling_info, stage)
4157             vdu_scaling_info.pop("vdu-create", None)
4158             vdu_scaling_info.pop("vdu-delete", None)
4159
4160             scale_process = None
4161             if db_nsr_update:
4162                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
4163             # SCALE RO - END
4164
4165             # SCALE-UP VCA - BEGIN
4166             if VCA_scaling_info:
4167                 step = db_nslcmop_update["detailed-status"] = \
4168                     "Creating new execution environments"
4169                 scale_process = "VCA"
4170                 for vdu_info in VCA_scaling_info:
4171                     if vdu_info["type"] == "create":
4172                         member_vnf_index = str(vdu_info["member-vnf-index"])
4173                         self.logger.debug(logging_text + "vdu info: {}".format(vdu_info))
4174                         vnfd_id = db_vnfr["vnfd-ref"]
4175                         vdu_index = int(vdu_info["vdu_index"])
4176                         deploy_params = {"OSM": get_osm_params(db_vnfr)}
4177                         if db_vnfr.get("additionalParamsForVnf"):
4178                             deploy_params.update(parse_yaml_strings(db_vnfr["additionalParamsForVnf"].copy()))
4179                         descriptor_config = get_configuration(db_vnfd, db_vnfd["id"])
4180                         if descriptor_config:
4181                             vdu_id = None
4182                             vdu_name = None
4183                             kdu_name = None
4184                             self._deploy_n2vc(
4185                                 logging_text=logging_text + "member_vnf_index={} ".format(member_vnf_index),
4186                                 db_nsr=db_nsr,
4187                                 db_vnfr=db_vnfr,
4188                                 nslcmop_id=nslcmop_id,
4189                                 nsr_id=nsr_id,
4190                                 nsi_id=nsi_id,
4191                                 vnfd_id=vnfd_id,
4192                                 vdu_id=vdu_id,
4193                                 kdu_name=kdu_name,
4194                                 member_vnf_index=member_vnf_index,
4195                                 vdu_index=vdu_index,
4196                                 vdu_name=vdu_name,
4197                                 deploy_params=deploy_params,
4198                                 descriptor_config=descriptor_config,
4199                                 base_folder=base_folder,
4200                                 task_instantiation_info=tasks_dict_info,
4201                                 stage=stage
4202                             )
4203                         vdu_id = vdu_info["osm_vdu_id"]
4204                         vdur = find_in_list(db_vnfr["vdur"], lambda vdu: vdu["vdu-id-ref"] == vdu_id)
4205                         descriptor_config = get_configuration(db_vnfd, vdu_id)
4206                         if vdur.get("additionalParams"):
4207                             deploy_params_vdu = parse_yaml_strings(vdur["additionalParams"])
4208                         else:
4209                             deploy_params_vdu = deploy_params
4210                         deploy_params_vdu["OSM"] = get_osm_params(db_vnfr, vdu_id, vdu_count_index=vdu_index)
4211                         if descriptor_config:
4212                             vdu_name = None
4213                             kdu_name = None
4214                             stage[1] = "Scaling member_vnf_index={}, vdu_id={}, vdu_index={} ".format(
4215                                 member_vnf_index, vdu_id, vdu_index)
4216                             stage[2] = step = "Scaling out VCA"
4217                             self._write_op_status(
4218                                 op_id=nslcmop_id,
4219                                 stage=stage
4220                             )
4221                             self._deploy_n2vc(
4222                                 logging_text=logging_text + "member_vnf_index={}, vdu_id={}, vdu_index={} ".format(
4223                                     member_vnf_index, vdu_id, vdu_index),
4224                                 db_nsr=db_nsr,
4225                                 db_vnfr=db_vnfr,
4226                                 nslcmop_id=nslcmop_id,
4227                                 nsr_id=nsr_id,
4228                                 nsi_id=nsi_id,
4229                                 vnfd_id=vnfd_id,
4230                                 vdu_id=vdu_id,
4231                                 kdu_name=kdu_name,
4232                                 member_vnf_index=member_vnf_index,
4233                                 vdu_index=vdu_index,
4234                                 vdu_name=vdu_name,
4235                                 deploy_params=deploy_params_vdu,
4236                                 descriptor_config=descriptor_config,
4237                                 base_folder=base_folder,
4238                                 task_instantiation_info=tasks_dict_info,
4239                                 stage=stage
4240                             )
4241             # SCALE-UP VCA - END
4242             scale_process = None
4243
4244             # POST-SCALE BEGIN
4245             # execute primitive service POST-SCALING
4246             step = "Executing post-scale vnf-config-primitive"
4247             if scaling_descriptor.get("scaling-config-action"):
4248                 for scaling_config_action in scaling_descriptor["scaling-config-action"]:
4249                     if (scaling_config_action.get("trigger") == "post-scale-in" and scaling_type == "SCALE_IN") \
4250                        or (scaling_config_action.get("trigger") == "post-scale-out" and scaling_type == "SCALE_OUT"):
4251                         vnf_config_primitive = scaling_config_action["vnf-config-primitive-name-ref"]
4252                         step = db_nslcmop_update["detailed-status"] = \
4253                             "executing post-scale scaling-config-action '{}'".format(vnf_config_primitive)
4254
4255                         vnfr_params = {"VDU_SCALE_INFO": vdu_scaling_info}
4256                         if db_vnfr.get("additionalParamsForVnf"):
4257                             vnfr_params.update(db_vnfr["additionalParamsForVnf"])
4258
4259                         # look for primitive
4260                         for config_primitive in (
4261                             get_configuration(db_vnfd, db_vnfd["id"]) or {}
4262                         ).get("config-primitive", ()):
4263                             if config_primitive["name"] == vnf_config_primitive:
4264                                 break
4265                         else:
4266                             raise LcmException(
4267                                 "Invalid vnfd descriptor at scaling-group-descriptor[name='{}']:scaling-config-"
4268                                 "action[vnf-config-primitive-name-ref='{}'] does not match any vnf-configuration:"
4269                                 "config-primitive".format(scaling_group, vnf_config_primitive))
4270                         scale_process = "VCA"
4271                         db_nsr_update["config-status"] = "configuring post-scaling"
4272                         primitive_params = self._map_primitive_params(config_primitive, {}, vnfr_params)
4273
4274                         # Post-scale retry check: Check if this sub-operation has been executed before
4275                         op_index = self._check_or_add_scale_suboperation(
4276                             db_nslcmop, nslcmop_id, vnf_index, vnf_config_primitive, primitive_params, 'POST-SCALE')
4277                         if op_index == self.SUBOPERATION_STATUS_SKIP:
4278                             # Skip sub-operation
4279                             result = 'COMPLETED'
4280                             result_detail = 'Done'
4281                             self.logger.debug(logging_text +
4282                                               "vnf_config_primitive={} Skipped sub-operation, result {} {}".
4283                                               format(vnf_config_primitive, result, result_detail))
4284                         else:
4285                             if op_index == self.SUBOPERATION_STATUS_NEW:
4286                                 # New sub-operation: Get index of this sub-operation
4287                                 op_index = len(db_nslcmop.get('_admin', {}).get('operations')) - 1
4288                                 self.logger.debug(logging_text + "vnf_config_primitive={} New sub-operation".
4289                                                   format(vnf_config_primitive))
4290                             else:
4291                                 # retry:  Get registered params for this existing sub-operation
4292                                 op = db_nslcmop.get('_admin', {}).get('operations', [])[op_index]
4293                                 vnf_index = op.get('member_vnf_index')
4294                                 vnf_config_primitive = op.get('primitive')
4295                                 primitive_params = op.get('primitive_params')
4296                                 self.logger.debug(logging_text + "vnf_config_primitive={} Sub-operation retry".
4297                                                   format(vnf_config_primitive))
4298                             # Execute the primitive, either with new (first-time) or registered (reintent) args
4299                             ee_descriptor_id = config_primitive.get("execution-environment-ref")
4300                             primitive_name = config_primitive.get("execution-environment-primitive",
4301                                                                   vnf_config_primitive)
4302                             ee_id, vca_type = self._look_for_deployed_vca(nsr_deployed["VCA"],
4303                                                                           member_vnf_index=vnf_index,
4304                                                                           vdu_id=None,
4305                                                                           vdu_count_index=None,
4306                                                                           ee_descriptor_id=ee_descriptor_id)
4307                             result, result_detail = await self._ns_execute_primitive(
4308                                 ee_id,
4309                                 primitive_name,
4310                                 primitive_params,
4311                                 vca_type=vca_type,
4312                                 vca_id=vca_id,
4313                             )
4314                             self.logger.debug(logging_text + "vnf_config_primitive={} Done with result {} {}".format(
4315                                 vnf_config_primitive, result, result_detail))
4316                             # Update operationState = COMPLETED | FAILED
4317                             self._update_suboperation_status(
4318                                 db_nslcmop, op_index, result, result_detail)
4319
4320                         if result == "FAILED":
4321                             raise LcmException(result_detail)
4322                         db_nsr_update["config-status"] = old_config_status
4323                         scale_process = None
4324             # POST-SCALE END
4325
4326             db_nsr_update["detailed-status"] = ""  # "scaled {} {}".format(scaling_group, scaling_type)
4327             db_nsr_update["operational-status"] = "running" if old_operational_status == "failed" \
4328                 else old_operational_status
4329             db_nsr_update["config-status"] = old_config_status
4330             return
4331         except (ROclient.ROClientException, DbException, LcmException, NgRoException) as e:
4332             self.logger.error(logging_text + "Exit Exception {}".format(e))
4333             exc = e
4334         except asyncio.CancelledError:
4335             self.logger.error(logging_text + "Cancelled Exception while '{}'".format(step))
4336             exc = "Operation was cancelled"
4337         except Exception as e:
4338             exc = traceback.format_exc()
4339             self.logger.critical(logging_text + "Exit Exception {} {}".format(type(e).__name__, e), exc_info=True)
4340         finally:
4341             self._write_ns_status(nsr_id=nsr_id, ns_state=None, current_operation="IDLE", current_operation_id=None)
4342             if tasks_dict_info:
4343                 stage[1] = "Waiting for instantiate pending tasks."
4344                 self.logger.debug(logging_text + stage[1])
4345                 exc = await self._wait_for_tasks(logging_text, tasks_dict_info, self.timeout_ns_deploy,
4346                                                  stage, nslcmop_id, nsr_id=nsr_id)
4347             if exc:
4348                 db_nslcmop_update["detailed-status"] = error_description_nslcmop = "FAILED {}: {}".format(step, exc)
4349                 nslcmop_operation_state = "FAILED"
4350                 if db_nsr:
4351                     db_nsr_update["operational-status"] = old_operational_status
4352                     db_nsr_update["config-status"] = old_config_status
4353                     db_nsr_update["detailed-status"] = ""
4354                     if scale_process:
4355                         if "VCA" in scale_process:
4356                             db_nsr_update["config-status"] = "failed"
4357                         if "RO" in scale_process:
4358                             db_nsr_update["operational-status"] = "failed"
4359                         db_nsr_update["detailed-status"] = "FAILED scaling nslcmop={} {}: {}".format(nslcmop_id, step,
4360                                                                                                      exc)
4361             else:
4362                 error_description_nslcmop = None
4363                 nslcmop_operation_state = "COMPLETED"
4364                 db_nslcmop_update["detailed-status"] = "Done"
4365
4366             self._write_op_status(op_id=nslcmop_id, stage="", error_message=error_description_nslcmop,
4367                                   operation_state=nslcmop_operation_state, other_update=db_nslcmop_update)
4368             if db_nsr:
4369                 self._write_ns_status(nsr_id=nsr_id, ns_state=None, current_operation="IDLE",
4370                                       current_operation_id=None, other_update=db_nsr_update)
4371
4372             if nslcmop_operation_state:
4373                 try:
4374                     msg = {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id, "operationState": nslcmop_operation_state}
4375                     await self.msg.aiowrite("ns", "scaled", msg, loop=self.loop)
4376                 except Exception as e:
4377                     self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
4378             self.logger.debug(logging_text + "Exit")
4379             self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_scale")
4380
4381     async def _scale_ng_ro(self, logging_text, db_nsr, db_nslcmop, db_vnfr, vdu_scaling_info, stage):
4382         nsr_id = db_nslcmop["nsInstanceId"]
4383         db_nsd = self.db.get_one("nsds", {"_id": db_nsr["nsd-id"]})
4384         db_vnfrs = {}
4385
4386         # read from db: vnfd's for every vnf
4387         db_vnfds = []
4388
4389         # for each vnf in ns, read vnfd
4390         for vnfr in self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id}):
4391             db_vnfrs[vnfr["member-vnf-index-ref"]] = vnfr
4392             vnfd_id = vnfr["vnfd-id"]  # vnfd uuid for this vnf
4393             # if we haven't this vnfd, read it from db
4394             if not find_in_list(db_vnfds, lambda a_vnfd: a_vnfd["id"] == vnfd_id):
4395                 # read from db
4396                 vnfd = self.db.get_one("vnfds", {"_id": vnfd_id})
4397                 db_vnfds.append(vnfd)
4398         n2vc_key = self.n2vc.get_public_key()
4399         n2vc_key_list = [n2vc_key]
4400         self.scale_vnfr(db_vnfr, vdu_scaling_info.get("vdu-create"), vdu_scaling_info.get("vdu-delete"),
4401                         mark_delete=True)
4402         # db_vnfr has been updated, update db_vnfrs to use it
4403         db_vnfrs[db_vnfr["member-vnf-index-ref"]] = db_vnfr
4404         await self._instantiate_ng_ro(logging_text, nsr_id, db_nsd, db_nsr, db_nslcmop, db_vnfrs,
4405                                       db_vnfds, n2vc_key_list, stage=stage, start_deploy=time(),
4406                                       timeout_ns_deploy=self.timeout_ns_deploy)
4407         if vdu_scaling_info.get("vdu-delete"):
4408             self.scale_vnfr(db_vnfr, None, vdu_scaling_info["vdu-delete"], mark_delete=False)
4409
4410     async def add_prometheus_metrics(self, ee_id, artifact_path, ee_config_descriptor, vnfr_id, nsr_id, target_ip):
4411         if not self.prometheus:
4412             return
4413         # look if exist a file called 'prometheus*.j2' and
4414         artifact_content = self.fs.dir_ls(artifact_path)
4415         job_file = next((f for f in artifact_content if f.startswith("prometheus") and f.endswith(".j2")), None)
4416         if not job_file:
4417             return
4418         with self.fs.file_open((artifact_path, job_file), "r") as f:
4419             job_data = f.read()
4420
4421         # TODO get_service
4422         _, _, service = ee_id.partition(".")   # remove prefix   "namespace."
4423         host_name = "{}-{}".format(service, ee_config_descriptor["metric-service"])
4424         host_port = "80"
4425         vnfr_id = vnfr_id.replace("-", "")
4426         variables = {
4427             "JOB_NAME": vnfr_id,
4428             "TARGET_IP": target_ip,
4429             "EXPORTER_POD_IP": host_name,
4430             "EXPORTER_POD_PORT": host_port,
4431         }
4432         job_list = self.prometheus.parse_job(job_data, variables)
4433         # ensure job_name is using the vnfr_id. Adding the metadata nsr_id
4434         for job in job_list:
4435             if not isinstance(job.get("job_name"), str) or vnfr_id not in job["job_name"]:
4436                 job["job_name"] = vnfr_id + "_" + str(randint(1, 10000))
4437             job["nsr_id"] = nsr_id
4438         job_dict = {jl["job_name"]: jl for jl in job_list}
4439         if await self.prometheus.update(job_dict):
4440             return list(job_dict.keys())
4441
4442     def get_vca_cloud_and_credentials(self, vim_account_id: str) -> (str, str):
4443         """
4444         Get VCA Cloud and VCA Cloud Credentials for the VIM account
4445
4446         :param: vim_account_id:     VIM Account ID
4447
4448         :return: (cloud_name, cloud_credential)
4449         """
4450         config = VimAccountDB.get_vim_account_with_id(vim_account_id).get("config", {})
4451         return config.get("vca_cloud"), config.get("vca_cloud_credential")
4452
4453     def get_vca_k8s_cloud_and_credentials(self, vim_account_id: str) -> (str, str):
4454         """
4455         Get VCA K8s Cloud and VCA K8s Cloud Credentials for the VIM account
4456
4457         :param: vim_account_id:     VIM Account ID
4458
4459         :return: (cloud_name, cloud_credential)
4460         """
4461         config = VimAccountDB.get_vim_account_with_id(vim_account_id).get("config", {})
4462         return config.get("vca_k8s_cloud"), config.get("vca_k8s_cloud_credential")