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             # STEP 0: Reading database (nslcmops, nsrs, nsds, vnfrs, vnfds)
1700             stage[1] = "Reading from database."
1701             # nsState="BUILDING", currentOperation="INSTANTIATING", currentOperationID=nslcmop_id
1702             db_nsr_update["detailed-status"] = "creating"
1703             db_nsr_update["operational-status"] = "init"
1704             self._write_ns_status(
1705                 nsr_id=nsr_id,
1706                 ns_state="BUILDING",
1707                 current_operation="INSTANTIATING",
1708                 current_operation_id=nslcmop_id,
1709                 other_update=db_nsr_update
1710             )
1711             self._write_op_status(
1712                 op_id=nslcmop_id,
1713                 stage=stage,
1714                 queuePosition=0
1715             )
1716
1717             # read from db: operation
1718             stage[1] = "Getting nslcmop={} from db.".format(nslcmop_id)
1719             db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
1720             ns_params = db_nslcmop.get("operationParams")
1721             if ns_params and ns_params.get("timeout_ns_deploy"):
1722                 timeout_ns_deploy = ns_params["timeout_ns_deploy"]
1723             else:
1724                 timeout_ns_deploy = self.timeout.get("ns_deploy", self.timeout_ns_deploy)
1725
1726             # read from db: ns
1727             stage[1] = "Getting nsr={} from db.".format(nsr_id)
1728             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
1729             stage[1] = "Getting nsd={} from db.".format(db_nsr["nsd-id"])
1730             nsd = self.db.get_one("nsds", {"_id": db_nsr["nsd-id"]})
1731             self.fs.sync(db_nsr["nsd-id"])
1732             db_nsr["nsd"] = nsd
1733             # nsr_name = db_nsr["name"]   # TODO short-name??
1734
1735             # read from db: vnf's of this ns
1736             stage[1] = "Getting vnfrs from db."
1737             self.logger.debug(logging_text + stage[1])
1738             db_vnfrs_list = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id})
1739
1740             # read from db: vnfd's for every vnf
1741             db_vnfds = []         # every vnfd data
1742
1743             # for each vnf in ns, read vnfd
1744             for vnfr in db_vnfrs_list:
1745                 db_vnfrs[vnfr["member-vnf-index-ref"]] = vnfr
1746                 vnfd_id = vnfr["vnfd-id"]
1747                 vnfd_ref = vnfr["vnfd-ref"]
1748                 self.fs.sync(vnfd_id)
1749
1750                 # if we haven't this vnfd, read it from db
1751                 if vnfd_id not in db_vnfds:
1752                     # read from db
1753                     stage[1] = "Getting vnfd={} id='{}' from db.".format(vnfd_id, vnfd_ref)
1754                     self.logger.debug(logging_text + stage[1])
1755                     vnfd = self.db.get_one("vnfds", {"_id": vnfd_id})
1756
1757                     # store vnfd
1758                     db_vnfds.append(vnfd)
1759
1760             # Get or generates the _admin.deployed.VCA list
1761             vca_deployed_list = None
1762             if db_nsr["_admin"].get("deployed"):
1763                 vca_deployed_list = db_nsr["_admin"]["deployed"].get("VCA")
1764             if vca_deployed_list is None:
1765                 vca_deployed_list = []
1766                 configuration_status_list = []
1767                 db_nsr_update["_admin.deployed.VCA"] = vca_deployed_list
1768                 db_nsr_update["configurationStatus"] = configuration_status_list
1769                 # add _admin.deployed.VCA to db_nsr dictionary, value=vca_deployed_list
1770                 populate_dict(db_nsr, ("_admin", "deployed", "VCA"), vca_deployed_list)
1771             elif isinstance(vca_deployed_list, dict):
1772                 # maintain backward compatibility. Change a dict to list at database
1773                 vca_deployed_list = list(vca_deployed_list.values())
1774                 db_nsr_update["_admin.deployed.VCA"] = vca_deployed_list
1775                 populate_dict(db_nsr, ("_admin", "deployed", "VCA"), vca_deployed_list)
1776
1777             if not isinstance(deep_get(db_nsr, ("_admin", "deployed", "RO", "vnfd")), list):
1778                 populate_dict(db_nsr, ("_admin", "deployed", "RO", "vnfd"), [])
1779                 db_nsr_update["_admin.deployed.RO.vnfd"] = []
1780
1781             # set state to INSTANTIATED. When instantiated NBI will not delete directly
1782             db_nsr_update["_admin.nsState"] = "INSTANTIATED"
1783             self.update_db_2("nsrs", nsr_id, db_nsr_update)
1784             self.db.set_list("vnfrs", {"nsr-id-ref": nsr_id}, {"_admin.nsState": "INSTANTIATED"})
1785
1786             # n2vc_redesign STEP 2 Deploy Network Scenario
1787             stage[0] = 'Stage 2/5: deployment of KDUs, VMs and execution environments.'
1788             self._write_op_status(
1789                 op_id=nslcmop_id,
1790                 stage=stage
1791             )
1792
1793             stage[1] = "Deploying KDUs."
1794             # self.logger.debug(logging_text + "Before deploy_kdus")
1795             # Call to deploy_kdus in case exists the "vdu:kdu" param
1796             await self.deploy_kdus(
1797                 logging_text=logging_text,
1798                 nsr_id=nsr_id,
1799                 nslcmop_id=nslcmop_id,
1800                 db_vnfrs=db_vnfrs,
1801                 db_vnfds=db_vnfds,
1802                 task_instantiation_info=tasks_dict_info,
1803             )
1804
1805             stage[1] = "Getting VCA public key."
1806             # n2vc_redesign STEP 1 Get VCA public ssh-key
1807             # feature 1429. Add n2vc public key to needed VMs
1808             n2vc_key = self.n2vc.get_public_key()
1809             n2vc_key_list = [n2vc_key]
1810             if self.vca_config.get("public_key"):
1811                 n2vc_key_list.append(self.vca_config["public_key"])
1812
1813             stage[1] = "Deploying NS at VIM."
1814             task_ro = asyncio.ensure_future(
1815                 self.instantiate_RO(
1816                     logging_text=logging_text,
1817                     nsr_id=nsr_id,
1818                     nsd=nsd,
1819                     db_nsr=db_nsr,
1820                     db_nslcmop=db_nslcmop,
1821                     db_vnfrs=db_vnfrs,
1822                     db_vnfds=db_vnfds,
1823                     n2vc_key_list=n2vc_key_list,
1824                     stage=stage
1825                 )
1826             )
1827             self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "instantiate_RO", task_ro)
1828             tasks_dict_info[task_ro] = "Deploying at VIM"
1829
1830             # n2vc_redesign STEP 3 to 6 Deploy N2VC
1831             stage[1] = "Deploying Execution Environments."
1832             self.logger.debug(logging_text + stage[1])
1833
1834             nsi_id = None  # TODO put nsi_id when this nsr belongs to a NSI
1835             for vnf_profile in get_vnf_profiles(nsd):
1836                 vnfd_id = vnf_profile["vnfd-id"]
1837                 vnfd = find_in_list(db_vnfds, lambda a_vnf: a_vnf["id"] == vnfd_id)
1838                 member_vnf_index = str(vnf_profile["id"])
1839                 db_vnfr = db_vnfrs[member_vnf_index]
1840                 base_folder = vnfd["_admin"]["storage"]
1841                 vdu_id = None
1842                 vdu_index = 0
1843                 vdu_name = None
1844                 kdu_name = None
1845
1846                 # Get additional parameters
1847                 deploy_params = {"OSM": get_osm_params(db_vnfr)}
1848                 if db_vnfr.get("additionalParamsForVnf"):
1849                     deploy_params.update(parse_yaml_strings(db_vnfr["additionalParamsForVnf"].copy()))
1850
1851                 descriptor_config = get_configuration(vnfd, vnfd["id"])
1852                 if descriptor_config:
1853                     self._deploy_n2vc(
1854                         logging_text=logging_text + "member_vnf_index={} ".format(member_vnf_index),
1855                         db_nsr=db_nsr,
1856                         db_vnfr=db_vnfr,
1857                         nslcmop_id=nslcmop_id,
1858                         nsr_id=nsr_id,
1859                         nsi_id=nsi_id,
1860                         vnfd_id=vnfd_id,
1861                         vdu_id=vdu_id,
1862                         kdu_name=kdu_name,
1863                         member_vnf_index=member_vnf_index,
1864                         vdu_index=vdu_index,
1865                         vdu_name=vdu_name,
1866                         deploy_params=deploy_params,
1867                         descriptor_config=descriptor_config,
1868                         base_folder=base_folder,
1869                         task_instantiation_info=tasks_dict_info,
1870                         stage=stage
1871                     )
1872
1873                 # Deploy charms for each VDU that supports one.
1874                 for vdud in get_vdu_list(vnfd):
1875                     vdu_id = vdud["id"]
1876                     descriptor_config = get_configuration(vnfd, vdu_id)
1877                     vdur = find_in_list(db_vnfr["vdur"], lambda vdu: vdu["vdu-id-ref"] == vdu_id)
1878
1879                     if vdur.get("additionalParams"):
1880                         deploy_params_vdu = parse_yaml_strings(vdur["additionalParams"])
1881                     else:
1882                         deploy_params_vdu = deploy_params
1883                     deploy_params_vdu["OSM"] = get_osm_params(db_vnfr, vdu_id, vdu_count_index=0)
1884                     vdud_count = get_vdu_profile(vnfd, vdu_id).get("max-number-of-instances", 1)
1885
1886                     self.logger.debug("VDUD > {}".format(vdud))
1887                     self.logger.debug("Descriptor config > {}".format(descriptor_config))
1888                     if descriptor_config:
1889                         vdu_name = None
1890                         kdu_name = None
1891                         for vdu_index in range(vdud_count):
1892                             # TODO vnfr_params["rw_mgmt_ip"] = vdur["ip-address"]
1893                             self._deploy_n2vc(
1894                                 logging_text=logging_text + "member_vnf_index={}, vdu_id={}, vdu_index={} ".format(
1895                                     member_vnf_index, vdu_id, vdu_index),
1896                                 db_nsr=db_nsr,
1897                                 db_vnfr=db_vnfr,
1898                                 nslcmop_id=nslcmop_id,
1899                                 nsr_id=nsr_id,
1900                                 nsi_id=nsi_id,
1901                                 vnfd_id=vnfd_id,
1902                                 vdu_id=vdu_id,
1903                                 kdu_name=kdu_name,
1904                                 member_vnf_index=member_vnf_index,
1905                                 vdu_index=vdu_index,
1906                                 vdu_name=vdu_name,
1907                                 deploy_params=deploy_params_vdu,
1908                                 descriptor_config=descriptor_config,
1909                                 base_folder=base_folder,
1910                                 task_instantiation_info=tasks_dict_info,
1911                                 stage=stage
1912                             )
1913                 for kdud in get_kdu_list(vnfd):
1914                     kdu_name = kdud["name"]
1915                     descriptor_config = get_configuration(vnfd, kdu_name)
1916                     if descriptor_config:
1917                         vdu_id = None
1918                         vdu_index = 0
1919                         vdu_name = None
1920                         kdur = next(x for x in db_vnfr["kdur"] if x["kdu-name"] == kdu_name)
1921                         deploy_params_kdu = {"OSM": get_osm_params(db_vnfr)}
1922                         if kdur.get("additionalParams"):
1923                             deploy_params_kdu = parse_yaml_strings(kdur["additionalParams"])
1924
1925                         self._deploy_n2vc(
1926                             logging_text=logging_text,
1927                             db_nsr=db_nsr,
1928                             db_vnfr=db_vnfr,
1929                             nslcmop_id=nslcmop_id,
1930                             nsr_id=nsr_id,
1931                             nsi_id=nsi_id,
1932                             vnfd_id=vnfd_id,
1933                             vdu_id=vdu_id,
1934                             kdu_name=kdu_name,
1935                             member_vnf_index=member_vnf_index,
1936                             vdu_index=vdu_index,
1937                             vdu_name=vdu_name,
1938                             deploy_params=deploy_params_kdu,
1939                             descriptor_config=descriptor_config,
1940                             base_folder=base_folder,
1941                             task_instantiation_info=tasks_dict_info,
1942                             stage=stage
1943                         )
1944
1945             # Check if this NS has a charm configuration
1946             descriptor_config = nsd.get("ns-configuration")
1947             if descriptor_config and descriptor_config.get("juju"):
1948                 vnfd_id = None
1949                 db_vnfr = None
1950                 member_vnf_index = None
1951                 vdu_id = None
1952                 kdu_name = None
1953                 vdu_index = 0
1954                 vdu_name = None
1955
1956                 # Get additional parameters
1957                 deploy_params = {"OSM": {"vim_account_id": ns_params["vimAccountId"]}}
1958                 if db_nsr.get("additionalParamsForNs"):
1959                     deploy_params.update(parse_yaml_strings(db_nsr["additionalParamsForNs"].copy()))
1960                 base_folder = nsd["_admin"]["storage"]
1961                 self._deploy_n2vc(
1962                     logging_text=logging_text,
1963                     db_nsr=db_nsr,
1964                     db_vnfr=db_vnfr,
1965                     nslcmop_id=nslcmop_id,
1966                     nsr_id=nsr_id,
1967                     nsi_id=nsi_id,
1968                     vnfd_id=vnfd_id,
1969                     vdu_id=vdu_id,
1970                     kdu_name=kdu_name,
1971                     member_vnf_index=member_vnf_index,
1972                     vdu_index=vdu_index,
1973                     vdu_name=vdu_name,
1974                     deploy_params=deploy_params,
1975                     descriptor_config=descriptor_config,
1976                     base_folder=base_folder,
1977                     task_instantiation_info=tasks_dict_info,
1978                     stage=stage
1979                 )
1980
1981             # rest of staff will be done at finally
1982
1983         except (ROclient.ROClientException, DbException, LcmException, N2VCException) as e:
1984             self.logger.error(logging_text + "Exit Exception while '{}': {}".format(stage[1], e))
1985             exc = e
1986         except asyncio.CancelledError:
1987             self.logger.error(logging_text + "Cancelled Exception while '{}'".format(stage[1]))
1988             exc = "Operation was cancelled"
1989         except Exception as e:
1990             exc = traceback.format_exc()
1991             self.logger.critical(logging_text + "Exit Exception while '{}': {}".format(stage[1], e), exc_info=True)
1992         finally:
1993             if exc:
1994                 error_list.append(str(exc))
1995             try:
1996                 # wait for pending tasks
1997                 if tasks_dict_info:
1998                     stage[1] = "Waiting for instantiate pending tasks."
1999                     self.logger.debug(logging_text + stage[1])
2000                     error_list += await self._wait_for_tasks(logging_text, tasks_dict_info, timeout_ns_deploy,
2001                                                              stage, nslcmop_id, nsr_id=nsr_id)
2002                 stage[1] = stage[2] = ""
2003             except asyncio.CancelledError:
2004                 error_list.append("Cancelled")
2005                 # TODO cancel all tasks
2006             except Exception as exc:
2007                 error_list.append(str(exc))
2008
2009             # update operation-status
2010             db_nsr_update["operational-status"] = "running"
2011             # let's begin with VCA 'configured' status (later we can change it)
2012             db_nsr_update["config-status"] = "configured"
2013             for task, task_name in tasks_dict_info.items():
2014                 if not task.done() or task.cancelled() or task.exception():
2015                     if task_name.startswith(self.task_name_deploy_vca):
2016                         # A N2VC task is pending
2017                         db_nsr_update["config-status"] = "failed"
2018                     else:
2019                         # RO or KDU task is pending
2020                         db_nsr_update["operational-status"] = "failed"
2021
2022             # update status at database
2023             if error_list:
2024                 error_detail = ". ".join(error_list)
2025                 self.logger.error(logging_text + error_detail)
2026                 error_description_nslcmop = '{} Detail: {}'.format(stage[0], error_detail)
2027                 error_description_nsr = 'Operation: INSTANTIATING.{}, {}'.format(nslcmop_id, stage[0])
2028
2029                 db_nsr_update["detailed-status"] = error_description_nsr + " Detail: " + error_detail
2030                 db_nslcmop_update["detailed-status"] = error_detail
2031                 nslcmop_operation_state = "FAILED"
2032                 ns_state = "BROKEN"
2033             else:
2034                 error_detail = None
2035                 error_description_nsr = error_description_nslcmop = None
2036                 ns_state = "READY"
2037                 db_nsr_update["detailed-status"] = "Done"
2038                 db_nslcmop_update["detailed-status"] = "Done"
2039                 nslcmop_operation_state = "COMPLETED"
2040
2041             if db_nsr:
2042                 self._write_ns_status(
2043                     nsr_id=nsr_id,
2044                     ns_state=ns_state,
2045                     current_operation="IDLE",
2046                     current_operation_id=None,
2047                     error_description=error_description_nsr,
2048                     error_detail=error_detail,
2049                     other_update=db_nsr_update
2050                 )
2051             self._write_op_status(
2052                 op_id=nslcmop_id,
2053                 stage="",
2054                 error_message=error_description_nslcmop,
2055                 operation_state=nslcmop_operation_state,
2056                 other_update=db_nslcmop_update,
2057             )
2058
2059             if nslcmop_operation_state:
2060                 try:
2061                     await self.msg.aiowrite("ns", "instantiated", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,
2062                                                                    "operationState": nslcmop_operation_state},
2063                                             loop=self.loop)
2064                 except Exception as e:
2065                     self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
2066
2067             self.logger.debug(logging_text + "Exit")
2068             self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_instantiate")
2069
2070     async def _add_vca_relations(
2071         self,
2072         logging_text,
2073         nsr_id,
2074         vca_index: int,
2075         timeout: int = 3600,
2076         vca_type: str = None,
2077         vca_id: str = None,
2078     ) -> bool:
2079
2080         # steps:
2081         # 1. find all relations for this VCA
2082         # 2. wait for other peers related
2083         # 3. add relations
2084
2085         try:
2086             vca_type = vca_type or "lxc_proxy_charm"
2087
2088             # STEP 1: find all relations for this VCA
2089
2090             # read nsr record
2091             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
2092             nsd = self.db.get_one("nsds", {"_id": db_nsr["nsd-id"]})
2093
2094             # this VCA data
2095             my_vca = deep_get(db_nsr, ('_admin', 'deployed', 'VCA'))[vca_index]
2096
2097             # read all ns-configuration relations
2098             ns_relations = list()
2099             db_ns_relations = deep_get(nsd, ('ns-configuration', 'relation'))
2100             if db_ns_relations:
2101                 for r in db_ns_relations:
2102                     # check if this VCA is in the relation
2103                     if my_vca.get('member-vnf-index') in\
2104                             (r.get('entities')[0].get('id'), r.get('entities')[1].get('id')):
2105                         ns_relations.append(r)
2106
2107             # read all vnf-configuration relations
2108             vnf_relations = list()
2109             db_vnfd_list = db_nsr.get('vnfd-id')
2110             if db_vnfd_list:
2111                 for vnfd in db_vnfd_list:
2112                     db_vnf_relations = None
2113                     db_vnfd = self.db.get_one("vnfds", {"_id": vnfd})
2114                     db_vnf_configuration = get_configuration(db_vnfd, db_vnfd["id"])
2115                     if db_vnf_configuration:
2116                         db_vnf_relations = db_vnf_configuration.get("relation", [])
2117                     if db_vnf_relations:
2118                         for r in db_vnf_relations:
2119                             # check if this VCA is in the relation
2120                             if my_vca.get('vdu_id') in (r.get('entities')[0].get('id'), r.get('entities')[1].get('id')):
2121                                 vnf_relations.append(r)
2122
2123             # if no relations, terminate
2124             if not ns_relations and not vnf_relations:
2125                 self.logger.debug(logging_text + ' No relations')
2126                 return True
2127
2128             self.logger.debug(logging_text + ' adding relations\n    {}\n    {}'.format(ns_relations, vnf_relations))
2129
2130             # add all relations
2131             start = time()
2132             while True:
2133                 # check timeout
2134                 now = time()
2135                 if now - start >= timeout:
2136                     self.logger.error(logging_text + ' : timeout adding relations')
2137                     return False
2138
2139                 # reload nsr from database (we need to update record: _admin.deloyed.VCA)
2140                 db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
2141
2142                 # for each defined NS relation, find the VCA's related
2143                 for r in ns_relations.copy():
2144                     from_vca_ee_id = None
2145                     to_vca_ee_id = None
2146                     from_vca_endpoint = None
2147                     to_vca_endpoint = None
2148                     vca_list = deep_get(db_nsr, ('_admin', 'deployed', 'VCA'))
2149                     for vca in vca_list:
2150                         if vca.get('member-vnf-index') == r.get('entities')[0].get('id') \
2151                                 and vca.get('config_sw_installed'):
2152                             from_vca_ee_id = vca.get('ee_id')
2153                             from_vca_endpoint = r.get('entities')[0].get('endpoint')
2154                         if vca.get('member-vnf-index') == r.get('entities')[1].get('id') \
2155                                 and vca.get('config_sw_installed'):
2156                             to_vca_ee_id = vca.get('ee_id')
2157                             to_vca_endpoint = r.get('entities')[1].get('endpoint')
2158                     if from_vca_ee_id and to_vca_ee_id:
2159                         # add relation
2160                         await self.vca_map[vca_type].add_relation(
2161                             ee_id_1=from_vca_ee_id,
2162                             ee_id_2=to_vca_ee_id,
2163                             endpoint_1=from_vca_endpoint,
2164                             endpoint_2=to_vca_endpoint,
2165                             vca_id=vca_id,
2166                         )
2167                         # remove entry from relations list
2168                         ns_relations.remove(r)
2169                     else:
2170                         # check failed peers
2171                         try:
2172                             vca_status_list = db_nsr.get('configurationStatus')
2173                             if vca_status_list:
2174                                 for i in range(len(vca_list)):
2175                                     vca = vca_list[i]
2176                                     vca_status = vca_status_list[i]
2177                                     if vca.get('member-vnf-index') == r.get('entities')[0].get('id'):
2178                                         if vca_status.get('status') == 'BROKEN':
2179                                             # peer broken: remove relation from list
2180                                             ns_relations.remove(r)
2181                                     if vca.get('member-vnf-index') == r.get('entities')[1].get('id'):
2182                                         if vca_status.get('status') == 'BROKEN':
2183                                             # peer broken: remove relation from list
2184                                             ns_relations.remove(r)
2185                         except Exception:
2186                             # ignore
2187                             pass
2188
2189                 # for each defined VNF relation, find the VCA's related
2190                 for r in vnf_relations.copy():
2191                     from_vca_ee_id = None
2192                     to_vca_ee_id = None
2193                     from_vca_endpoint = None
2194                     to_vca_endpoint = None
2195                     vca_list = deep_get(db_nsr, ('_admin', 'deployed', 'VCA'))
2196                     for vca in vca_list:
2197                         key_to_check = "vdu_id"
2198                         if vca.get("vdu_id") is None:
2199                             key_to_check = "vnfd_id"
2200                         if vca.get(key_to_check) == r.get('entities')[0].get('id') and vca.get('config_sw_installed'):
2201                             from_vca_ee_id = vca.get('ee_id')
2202                             from_vca_endpoint = r.get('entities')[0].get('endpoint')
2203                         if vca.get(key_to_check) == r.get('entities')[1].get('id') and vca.get('config_sw_installed'):
2204                             to_vca_ee_id = vca.get('ee_id')
2205                             to_vca_endpoint = r.get('entities')[1].get('endpoint')
2206                     if from_vca_ee_id and to_vca_ee_id:
2207                         # add relation
2208                         await self.vca_map[vca_type].add_relation(
2209                             ee_id_1=from_vca_ee_id,
2210                             ee_id_2=to_vca_ee_id,
2211                             endpoint_1=from_vca_endpoint,
2212                             endpoint_2=to_vca_endpoint,
2213                             vca_id=vca_id,
2214                         )
2215                         # remove entry from relations list
2216                         vnf_relations.remove(r)
2217                     else:
2218                         # check failed peers
2219                         try:
2220                             vca_status_list = db_nsr.get('configurationStatus')
2221                             if vca_status_list:
2222                                 for i in range(len(vca_list)):
2223                                     vca = vca_list[i]
2224                                     vca_status = vca_status_list[i]
2225                                     if vca.get('vdu_id') == r.get('entities')[0].get('id'):
2226                                         if vca_status.get('status') == 'BROKEN':
2227                                             # peer broken: remove relation from list
2228                                             vnf_relations.remove(r)
2229                                     if vca.get('vdu_id') == r.get('entities')[1].get('id'):
2230                                         if vca_status.get('status') == 'BROKEN':
2231                                             # peer broken: remove relation from list
2232                                             vnf_relations.remove(r)
2233                         except Exception:
2234                             # ignore
2235                             pass
2236
2237                 # wait for next try
2238                 await asyncio.sleep(5.0)
2239
2240                 if not ns_relations and not vnf_relations:
2241                     self.logger.debug('Relations added')
2242                     break
2243
2244             return True
2245
2246         except Exception as e:
2247             self.logger.warn(logging_text + ' ERROR adding relations: {}'.format(e))
2248             return False
2249
2250     async def _install_kdu(self, nsr_id: str, nsr_db_path: str, vnfr_data: dict, kdu_index: int, kdud: dict,
2251                            vnfd: dict, k8s_instance_info: dict, k8params: dict = None, timeout: int = 600,
2252                            vca_id: str = None):
2253
2254         try:
2255             k8sclustertype = k8s_instance_info["k8scluster-type"]
2256             # Instantiate kdu
2257             db_dict_install = {"collection": "nsrs",
2258                                "filter": {"_id": nsr_id},
2259                                "path": nsr_db_path}
2260
2261             kdu_instance = self.k8scluster_map[k8sclustertype].generate_kdu_instance_name(
2262                 db_dict=db_dict_install,
2263                 kdu_model=k8s_instance_info["kdu-model"],
2264                 kdu_name=k8s_instance_info["kdu-name"],
2265             )
2266             self.update_db_2("nsrs", nsr_id, {nsr_db_path + ".kdu-instance": kdu_instance})
2267             await self.k8scluster_map[k8sclustertype].install(
2268                 cluster_uuid=k8s_instance_info["k8scluster-uuid"],
2269                 kdu_model=k8s_instance_info["kdu-model"],
2270                 atomic=True,
2271                 params=k8params,
2272                 db_dict=db_dict_install,
2273                 timeout=timeout,
2274                 kdu_name=k8s_instance_info["kdu-name"],
2275                 namespace=k8s_instance_info["namespace"],
2276                 kdu_instance=kdu_instance,
2277                 vca_id=vca_id,
2278             )
2279             self.update_db_2("nsrs", nsr_id, {nsr_db_path + ".kdu-instance": kdu_instance})
2280
2281             # Obtain services to obtain management service ip
2282             services = await self.k8scluster_map[k8sclustertype].get_services(
2283                 cluster_uuid=k8s_instance_info["k8scluster-uuid"],
2284                 kdu_instance=kdu_instance,
2285                 namespace=k8s_instance_info["namespace"])
2286
2287             # Obtain management service info (if exists)
2288             vnfr_update_dict = {}
2289             kdu_config = get_configuration(vnfd, kdud["name"])
2290             if kdu_config:
2291                 target_ee_list = kdu_config.get("execution-environment-list", [])
2292             else:
2293                 target_ee_list = []
2294
2295             if services:
2296                 vnfr_update_dict["kdur.{}.services".format(kdu_index)] = services
2297                 mgmt_services = [service for service in kdud.get("service", []) if service.get("mgmt-service")]
2298                 for mgmt_service in mgmt_services:
2299                     for service in services:
2300                         if service["name"].startswith(mgmt_service["name"]):
2301                             # Mgmt service found, Obtain service ip
2302                             ip = service.get("external_ip", service.get("cluster_ip"))
2303                             if isinstance(ip, list) and len(ip) == 1:
2304                                 ip = ip[0]
2305
2306                             vnfr_update_dict["kdur.{}.ip-address".format(kdu_index)] = ip
2307
2308                             # Check if must update also mgmt ip at the vnf
2309                             service_external_cp = mgmt_service.get("external-connection-point-ref")
2310                             if service_external_cp:
2311                                 if deep_get(vnfd, ("mgmt-interface", "cp")) == service_external_cp:
2312                                     vnfr_update_dict["ip-address"] = ip
2313
2314                                 if find_in_list(
2315                                     target_ee_list,
2316                                     lambda ee: ee.get("external-connection-point-ref", "") == service_external_cp
2317                                 ):
2318                                     vnfr_update_dict["kdur.{}.ip-address".format(kdu_index)] = ip
2319                             break
2320                     else:
2321                         self.logger.warn("Mgmt service name: {} not found".format(mgmt_service["name"]))
2322
2323             vnfr_update_dict["kdur.{}.status".format(kdu_index)] = "READY"
2324             self.update_db_2("vnfrs", vnfr_data.get("_id"), vnfr_update_dict)
2325
2326             kdu_config = get_configuration(vnfd, k8s_instance_info["kdu-name"])
2327             if kdu_config and kdu_config.get("initial-config-primitive") and \
2328                get_juju_ee_ref(vnfd, k8s_instance_info["kdu-name"]) is None:
2329                 initial_config_primitive_list = kdu_config.get("initial-config-primitive")
2330                 initial_config_primitive_list.sort(key=lambda val: int(val["seq"]))
2331
2332                 for initial_config_primitive in initial_config_primitive_list:
2333                     primitive_params_ = self._map_primitive_params(initial_config_primitive, {}, {})
2334
2335                     await asyncio.wait_for(
2336                         self.k8scluster_map[k8sclustertype].exec_primitive(
2337                             cluster_uuid=k8s_instance_info["k8scluster-uuid"],
2338                             kdu_instance=kdu_instance,
2339                             primitive_name=initial_config_primitive["name"],
2340                             params=primitive_params_, db_dict=db_dict_install,
2341                             vca_id=vca_id,
2342                         ),
2343                         timeout=timeout
2344                     )
2345
2346         except Exception as e:
2347             # Prepare update db with error and raise exception
2348             try:
2349                 self.update_db_2("nsrs", nsr_id, {nsr_db_path + ".detailed-status": str(e)})
2350                 self.update_db_2("vnfrs", vnfr_data.get("_id"), {"kdur.{}.status".format(kdu_index): "ERROR"})
2351             except Exception:
2352                 # ignore to keep original exception
2353                 pass
2354             # reraise original error
2355             raise
2356
2357         return kdu_instance
2358
2359     async def deploy_kdus(self, logging_text, nsr_id, nslcmop_id, db_vnfrs, db_vnfds, task_instantiation_info):
2360         # Launch kdus if present in the descriptor
2361
2362         k8scluster_id_2_uuic = {"helm-chart-v3": {}, "helm-chart": {}, "juju-bundle": {}}
2363
2364         async def _get_cluster_id(cluster_id, cluster_type):
2365             nonlocal k8scluster_id_2_uuic
2366             if cluster_id in k8scluster_id_2_uuic[cluster_type]:
2367                 return k8scluster_id_2_uuic[cluster_type][cluster_id]
2368
2369             # check if K8scluster is creating and wait look if previous tasks in process
2370             task_name, task_dependency = self.lcm_tasks.lookfor_related("k8scluster", cluster_id)
2371             if task_dependency:
2372                 text = "Waiting for related tasks '{}' on k8scluster {} to be completed".format(task_name, cluster_id)
2373                 self.logger.debug(logging_text + text)
2374                 await asyncio.wait(task_dependency, timeout=3600)
2375
2376             db_k8scluster = self.db.get_one("k8sclusters", {"_id": cluster_id}, fail_on_empty=False)
2377             if not db_k8scluster:
2378                 raise LcmException("K8s cluster {} cannot be found".format(cluster_id))
2379
2380             k8s_id = deep_get(db_k8scluster, ("_admin", cluster_type, "id"))
2381             if not k8s_id:
2382                 if cluster_type == "helm-chart-v3":
2383                     try:
2384                         # backward compatibility for existing clusters that have not been initialized for helm v3
2385                         k8s_credentials = yaml.safe_dump(db_k8scluster.get("credentials"))
2386                         k8s_id, uninstall_sw = await self.k8sclusterhelm3.init_env(k8s_credentials,
2387                                                                                    reuse_cluster_uuid=cluster_id)
2388                         db_k8scluster_update = {}
2389                         db_k8scluster_update["_admin.helm-chart-v3.error_msg"] = None
2390                         db_k8scluster_update["_admin.helm-chart-v3.id"] = k8s_id
2391                         db_k8scluster_update["_admin.helm-chart-v3.created"] = uninstall_sw
2392                         db_k8scluster_update["_admin.helm-chart-v3.operationalState"] = "ENABLED"
2393                         self.update_db_2("k8sclusters", cluster_id, db_k8scluster_update)
2394                     except Exception as e:
2395                         self.logger.error(logging_text + "error initializing helm-v3 cluster: {}".format(str(e)))
2396                         raise LcmException("K8s cluster '{}' has not been initialized for '{}'".format(cluster_id,
2397                                                                                                        cluster_type))
2398                 else:
2399                     raise LcmException("K8s cluster '{}' has not been initialized for '{}'".
2400                                        format(cluster_id, cluster_type))
2401             k8scluster_id_2_uuic[cluster_type][cluster_id] = k8s_id
2402             return k8s_id
2403
2404         logging_text += "Deploy kdus: "
2405         step = ""
2406         try:
2407             db_nsr_update = {"_admin.deployed.K8s": []}
2408             self.update_db_2("nsrs", nsr_id, db_nsr_update)
2409
2410             index = 0
2411             updated_cluster_list = []
2412             updated_v3_cluster_list = []
2413
2414             for vnfr_data in db_vnfrs.values():
2415                 vca_id = self.get_vca_id(vnfr_data, {})
2416                 for kdu_index, kdur in enumerate(get_iterable(vnfr_data, "kdur")):
2417                     # Step 0: Prepare and set parameters
2418                     desc_params = parse_yaml_strings(kdur.get("additionalParams"))
2419                     vnfd_id = vnfr_data.get('vnfd-id')
2420                     vnfd_with_id = find_in_list(db_vnfds, lambda vnfd: vnfd["_id"] == vnfd_id)
2421                     kdud = next(kdud for kdud in vnfd_with_id["kdu"] if kdud["name"] == kdur["kdu-name"])
2422                     namespace = kdur.get("k8s-namespace")
2423                     if kdur.get("helm-chart"):
2424                         kdumodel = kdur["helm-chart"]
2425                         # Default version: helm3, if helm-version is v2 assign v2
2426                         k8sclustertype = "helm-chart-v3"
2427                         self.logger.debug("kdur: {}".format(kdur))
2428                         if kdur.get("helm-version") and kdur.get("helm-version") == "v2":
2429                             k8sclustertype = "helm-chart"
2430                     elif kdur.get("juju-bundle"):
2431                         kdumodel = kdur["juju-bundle"]
2432                         k8sclustertype = "juju-bundle"
2433                     else:
2434                         raise LcmException("kdu type for kdu='{}.{}' is neither helm-chart nor "
2435                                            "juju-bundle. Maybe an old NBI version is running".
2436                                            format(vnfr_data["member-vnf-index-ref"], kdur["kdu-name"]))
2437                     # check if kdumodel is a file and exists
2438                     try:
2439                         vnfd_with_id = find_in_list(db_vnfds, lambda vnfd: vnfd["_id"] == vnfd_id)
2440                         storage = deep_get(vnfd_with_id, ('_admin', 'storage'))
2441                         if storage and storage.get('pkg-dir'):  # may be not present if vnfd has not artifacts
2442                             # path format: /vnfdid/pkkdir/helm-charts|juju-bundles/kdumodel
2443                             filename = '{}/{}/{}s/{}'.format(storage["folder"], storage["pkg-dir"], k8sclustertype,
2444                                                              kdumodel)
2445                             if self.fs.file_exists(filename, mode='file') or self.fs.file_exists(filename, mode='dir'):
2446                                 kdumodel = self.fs.path + filename
2447                     except (asyncio.TimeoutError, asyncio.CancelledError):
2448                         raise
2449                     except Exception:       # it is not a file
2450                         pass
2451
2452                     k8s_cluster_id = kdur["k8s-cluster"]["id"]
2453                     step = "Synchronize repos for k8s cluster '{}'".format(k8s_cluster_id)
2454                     cluster_uuid = await _get_cluster_id(k8s_cluster_id, k8sclustertype)
2455
2456                     # Synchronize  repos
2457                     if (k8sclustertype == "helm-chart" and cluster_uuid not in updated_cluster_list)\
2458                             or (k8sclustertype == "helm-chart-v3" and cluster_uuid not in updated_v3_cluster_list):
2459                         del_repo_list, added_repo_dict = await asyncio.ensure_future(
2460                             self.k8scluster_map[k8sclustertype].synchronize_repos(cluster_uuid=cluster_uuid))
2461                         if del_repo_list or added_repo_dict:
2462                             if k8sclustertype == "helm-chart":
2463                                 unset = {'_admin.helm_charts_added.' + item: None for item in del_repo_list}
2464                                 updated = {'_admin.helm_charts_added.' +
2465                                            item: name for item, name in added_repo_dict.items()}
2466                                 updated_cluster_list.append(cluster_uuid)
2467                             elif k8sclustertype == "helm-chart-v3":
2468                                 unset = {'_admin.helm_charts_v3_added.' + item: None for item in del_repo_list}
2469                                 updated = {'_admin.helm_charts_v3_added.' +
2470                                            item: name for item, name in added_repo_dict.items()}
2471                                 updated_v3_cluster_list.append(cluster_uuid)
2472                             self.logger.debug(logging_text + "repos synchronized on k8s cluster "
2473                                                              "'{}' to_delete: {}, to_add: {}".
2474                                               format(k8s_cluster_id, del_repo_list, added_repo_dict))
2475                             self.db.set_one("k8sclusters", {"_id": k8s_cluster_id}, updated, unset=unset)
2476
2477                     # Instantiate kdu
2478                     step = "Instantiating KDU {}.{} in k8s cluster {}".format(vnfr_data["member-vnf-index-ref"],
2479                                                                               kdur["kdu-name"], k8s_cluster_id)
2480                     k8s_instance_info = {"kdu-instance": None,
2481                                          "k8scluster-uuid": cluster_uuid,
2482                                          "k8scluster-type": k8sclustertype,
2483                                          "member-vnf-index": vnfr_data["member-vnf-index-ref"],
2484                                          "kdu-name": kdur["kdu-name"],
2485                                          "kdu-model": kdumodel,
2486                                          "namespace": namespace}
2487                     db_path = "_admin.deployed.K8s.{}".format(index)
2488                     db_nsr_update[db_path] = k8s_instance_info
2489                     self.update_db_2("nsrs", nsr_id, db_nsr_update)
2490                     vnfd_with_id = find_in_list(db_vnfds, lambda vnf: vnf["_id"] == vnfd_id)
2491                     task = asyncio.ensure_future(
2492                         self._install_kdu(nsr_id, db_path, vnfr_data, kdu_index, kdud, vnfd_with_id,
2493                                           k8s_instance_info, k8params=desc_params, timeout=600, vca_id=vca_id))
2494                     self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "instantiate_KDU-{}".format(index), task)
2495                     task_instantiation_info[task] = "Deploying KDU {}".format(kdur["kdu-name"])
2496
2497                     index += 1
2498
2499         except (LcmException, asyncio.CancelledError):
2500             raise
2501         except Exception as e:
2502             msg = "Exception {} while {}: {}".format(type(e).__name__, step, e)
2503             if isinstance(e, (N2VCException, DbException)):
2504                 self.logger.error(logging_text + msg)
2505             else:
2506                 self.logger.critical(logging_text + msg, exc_info=True)
2507             raise LcmException(msg)
2508         finally:
2509             if db_nsr_update:
2510                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
2511
2512     def _deploy_n2vc(self, logging_text, db_nsr, db_vnfr, nslcmop_id, nsr_id, nsi_id, vnfd_id, vdu_id,
2513                      kdu_name, member_vnf_index, vdu_index, vdu_name, deploy_params, descriptor_config,
2514                      base_folder, task_instantiation_info, stage):
2515         # launch instantiate_N2VC in a asyncio task and register task object
2516         # Look where information of this charm is at database <nsrs>._admin.deployed.VCA
2517         # if not found, create one entry and update database
2518         # fill db_nsr._admin.deployed.VCA.<index>
2519
2520         self.logger.debug(logging_text + "_deploy_n2vc vnfd_id={}, vdu_id={}".format(vnfd_id, vdu_id))
2521         if "execution-environment-list" in descriptor_config:
2522             ee_list = descriptor_config.get("execution-environment-list", [])
2523         else:  # other types as script are not supported
2524             ee_list = []
2525
2526         for ee_item in ee_list:
2527             self.logger.debug(logging_text + "_deploy_n2vc ee_item juju={}, helm={}".format(ee_item.get('juju'),
2528                                                                                             ee_item.get("helm-chart")))
2529             ee_descriptor_id = ee_item.get("id")
2530             if ee_item.get("juju"):
2531                 vca_name = ee_item['juju'].get('charm')
2532                 vca_type = "lxc_proxy_charm" if ee_item['juju'].get('charm') is not None else "native_charm"
2533                 if ee_item['juju'].get('cloud') == "k8s":
2534                     vca_type = "k8s_proxy_charm"
2535                 elif ee_item['juju'].get('proxy') is False:
2536                     vca_type = "native_charm"
2537             elif ee_item.get("helm-chart"):
2538                 vca_name = ee_item['helm-chart']
2539                 if ee_item.get("helm-version") and ee_item.get("helm-version") == "v2":
2540                     vca_type = "helm"
2541                 else:
2542                     vca_type = "helm-v3"
2543             else:
2544                 self.logger.debug(logging_text + "skipping non juju neither charm configuration")
2545                 continue
2546
2547             vca_index = -1
2548             for vca_index, vca_deployed in enumerate(db_nsr["_admin"]["deployed"]["VCA"]):
2549                 if not vca_deployed:
2550                     continue
2551                 if vca_deployed.get("member-vnf-index") == member_vnf_index and \
2552                         vca_deployed.get("vdu_id") == vdu_id and \
2553                         vca_deployed.get("kdu_name") == kdu_name and \
2554                         vca_deployed.get("vdu_count_index", 0) == vdu_index and \
2555                         vca_deployed.get("ee_descriptor_id") == ee_descriptor_id:
2556                     break
2557             else:
2558                 # not found, create one.
2559                 target = "ns" if not member_vnf_index else "vnf/{}".format(member_vnf_index)
2560                 if vdu_id:
2561                     target += "/vdu/{}/{}".format(vdu_id, vdu_index or 0)
2562                 elif kdu_name:
2563                     target += "/kdu/{}".format(kdu_name)
2564                 vca_deployed = {
2565                     "target_element": target,
2566                     # ^ target_element will replace member-vnf-index, kdu_name, vdu_id ... in a single string
2567                     "member-vnf-index": member_vnf_index,
2568                     "vdu_id": vdu_id,
2569                     "kdu_name": kdu_name,
2570                     "vdu_count_index": vdu_index,
2571                     "operational-status": "init",  # TODO revise
2572                     "detailed-status": "",  # TODO revise
2573                     "step": "initial-deploy",   # TODO revise
2574                     "vnfd_id": vnfd_id,
2575                     "vdu_name": vdu_name,
2576                     "type": vca_type,
2577                     "ee_descriptor_id": ee_descriptor_id
2578                 }
2579                 vca_index += 1
2580
2581                 # create VCA and configurationStatus in db
2582                 db_dict = {
2583                     "_admin.deployed.VCA.{}".format(vca_index): vca_deployed,
2584                     "configurationStatus.{}".format(vca_index): dict()
2585                 }
2586                 self.update_db_2("nsrs", nsr_id, db_dict)
2587
2588                 db_nsr["_admin"]["deployed"]["VCA"].append(vca_deployed)
2589
2590             self.logger.debug("N2VC > NSR_ID > {}".format(nsr_id))
2591             self.logger.debug("N2VC > DB_NSR > {}".format(db_nsr))
2592             self.logger.debug("N2VC > VCA_DEPLOYED > {}".format(vca_deployed))
2593
2594             # Launch task
2595             task_n2vc = asyncio.ensure_future(
2596                 self.instantiate_N2VC(
2597                     logging_text=logging_text,
2598                     vca_index=vca_index,
2599                     nsi_id=nsi_id,
2600                     db_nsr=db_nsr,
2601                     db_vnfr=db_vnfr,
2602                     vdu_id=vdu_id,
2603                     kdu_name=kdu_name,
2604                     vdu_index=vdu_index,
2605                     deploy_params=deploy_params,
2606                     config_descriptor=descriptor_config,
2607                     base_folder=base_folder,
2608                     nslcmop_id=nslcmop_id,
2609                     stage=stage,
2610                     vca_type=vca_type,
2611                     vca_name=vca_name,
2612                     ee_config_descriptor=ee_item
2613                 )
2614             )
2615             self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "instantiate_N2VC-{}".format(vca_index), task_n2vc)
2616             task_instantiation_info[task_n2vc] = self.task_name_deploy_vca + " {}.{}".format(
2617                 member_vnf_index or "", vdu_id or "")
2618
2619     @staticmethod
2620     def _create_nslcmop(nsr_id, operation, params):
2621         """
2622         Creates a ns-lcm-opp content to be stored at database.
2623         :param nsr_id: internal id of the instance
2624         :param operation: instantiate, terminate, scale, action, ...
2625         :param params: user parameters for the operation
2626         :return: dictionary following SOL005 format
2627         """
2628         # Raise exception if invalid arguments
2629         if not (nsr_id and operation and params):
2630             raise LcmException(
2631                 "Parameters 'nsr_id', 'operation' and 'params' needed to create primitive not provided")
2632         now = time()
2633         _id = str(uuid4())
2634         nslcmop = {
2635             "id": _id,
2636             "_id": _id,
2637             # COMPLETED,PARTIALLY_COMPLETED,FAILED_TEMP,FAILED,ROLLING_BACK,ROLLED_BACK
2638             "operationState": "PROCESSING",
2639             "statusEnteredTime": now,
2640             "nsInstanceId": nsr_id,
2641             "lcmOperationType": operation,
2642             "startTime": now,
2643             "isAutomaticInvocation": False,
2644             "operationParams": params,
2645             "isCancelPending": False,
2646             "links": {
2647                 "self": "/osm/nslcm/v1/ns_lcm_op_occs/" + _id,
2648                 "nsInstance": "/osm/nslcm/v1/ns_instances/" + nsr_id,
2649             }
2650         }
2651         return nslcmop
2652
2653     def _format_additional_params(self, params):
2654         params = params or {}
2655         for key, value in params.items():
2656             if str(value).startswith("!!yaml "):
2657                 params[key] = yaml.safe_load(value[7:])
2658         return params
2659
2660     def _get_terminate_primitive_params(self, seq, vnf_index):
2661         primitive = seq.get('name')
2662         primitive_params = {}
2663         params = {
2664             "member_vnf_index": vnf_index,
2665             "primitive": primitive,
2666             "primitive_params": primitive_params,
2667         }
2668         desc_params = {}
2669         return self._map_primitive_params(seq, params, desc_params)
2670
2671     # sub-operations
2672
2673     def _retry_or_skip_suboperation(self, db_nslcmop, op_index):
2674         op = deep_get(db_nslcmop, ('_admin', 'operations'), [])[op_index]
2675         if op.get('operationState') == 'COMPLETED':
2676             # b. Skip sub-operation
2677             # _ns_execute_primitive() or RO.create_action() will NOT be executed
2678             return self.SUBOPERATION_STATUS_SKIP
2679         else:
2680             # c. retry executing sub-operation
2681             # The sub-operation exists, and operationState != 'COMPLETED'
2682             # Update operationState = 'PROCESSING' to indicate a retry.
2683             operationState = 'PROCESSING'
2684             detailed_status = 'In progress'
2685             self._update_suboperation_status(
2686                 db_nslcmop, op_index, operationState, detailed_status)
2687             # Return the sub-operation index
2688             # _ns_execute_primitive() or RO.create_action() will be called from scale()
2689             # with arguments extracted from the sub-operation
2690             return op_index
2691
2692     # Find a sub-operation where all keys in a matching dictionary must match
2693     # Returns the index of the matching sub-operation, or SUBOPERATION_STATUS_NOT_FOUND if no match
2694     def _find_suboperation(self, db_nslcmop, match):
2695         if db_nslcmop and match:
2696             op_list = db_nslcmop.get('_admin', {}).get('operations', [])
2697             for i, op in enumerate(op_list):
2698                 if all(op.get(k) == match[k] for k in match):
2699                     return i
2700         return self.SUBOPERATION_STATUS_NOT_FOUND
2701
2702     # Update status for a sub-operation given its index
2703     def _update_suboperation_status(self, db_nslcmop, op_index, operationState, detailed_status):
2704         # Update DB for HA tasks
2705         q_filter = {'_id': db_nslcmop['_id']}
2706         update_dict = {'_admin.operations.{}.operationState'.format(op_index): operationState,
2707                        '_admin.operations.{}.detailed-status'.format(op_index): detailed_status}
2708         self.db.set_one("nslcmops",
2709                         q_filter=q_filter,
2710                         update_dict=update_dict,
2711                         fail_on_empty=False)
2712
2713     # Add sub-operation, return the index of the added sub-operation
2714     # Optionally, set operationState, detailed-status, and operationType
2715     # Status and type are currently set for 'scale' sub-operations:
2716     # 'operationState' : 'PROCESSING' | 'COMPLETED' | 'FAILED'
2717     # 'detailed-status' : status message
2718     # 'operationType': may be any type, in the case of scaling: 'PRE-SCALE' | 'POST-SCALE'
2719     # Status and operation type are currently only used for 'scale', but NOT for 'terminate' sub-operations.
2720     def _add_suboperation(self, db_nslcmop, vnf_index, vdu_id, vdu_count_index, vdu_name, primitive,
2721                           mapped_primitive_params, operationState=None, detailed_status=None, operationType=None,
2722                           RO_nsr_id=None, RO_scaling_info=None):
2723         if not db_nslcmop:
2724             return self.SUBOPERATION_STATUS_NOT_FOUND
2725         # Get the "_admin.operations" list, if it exists
2726         db_nslcmop_admin = db_nslcmop.get('_admin', {})
2727         op_list = db_nslcmop_admin.get('operations')
2728         # Create or append to the "_admin.operations" list
2729         new_op = {'member_vnf_index': vnf_index,
2730                   'vdu_id': vdu_id,
2731                   'vdu_count_index': vdu_count_index,
2732                   'primitive': primitive,
2733                   'primitive_params': mapped_primitive_params}
2734         if operationState:
2735             new_op['operationState'] = operationState
2736         if detailed_status:
2737             new_op['detailed-status'] = detailed_status
2738         if operationType:
2739             new_op['lcmOperationType'] = operationType
2740         if RO_nsr_id:
2741             new_op['RO_nsr_id'] = RO_nsr_id
2742         if RO_scaling_info:
2743             new_op['RO_scaling_info'] = RO_scaling_info
2744         if not op_list:
2745             # No existing operations, create key 'operations' with current operation as first list element
2746             db_nslcmop_admin.update({'operations': [new_op]})
2747             op_list = db_nslcmop_admin.get('operations')
2748         else:
2749             # Existing operations, append operation to list
2750             op_list.append(new_op)
2751
2752         db_nslcmop_update = {'_admin.operations': op_list}
2753         self.update_db_2("nslcmops", db_nslcmop['_id'], db_nslcmop_update)
2754         op_index = len(op_list) - 1
2755         return op_index
2756
2757     # Helper methods for scale() sub-operations
2758
2759     # pre-scale/post-scale:
2760     # Check for 3 different cases:
2761     # a. New: First time execution, return SUBOPERATION_STATUS_NEW
2762     # b. Skip: Existing sub-operation exists, operationState == 'COMPLETED', return SUBOPERATION_STATUS_SKIP
2763     # c. retry: Existing sub-operation exists, operationState != 'COMPLETED', return op_index to re-execute
2764     def _check_or_add_scale_suboperation(self, db_nslcmop, vnf_index, vnf_config_primitive, primitive_params,
2765                                          operationType, RO_nsr_id=None, RO_scaling_info=None):
2766         # Find this sub-operation
2767         if RO_nsr_id and RO_scaling_info:
2768             operationType = 'SCALE-RO'
2769             match = {
2770                 'member_vnf_index': vnf_index,
2771                 'RO_nsr_id': RO_nsr_id,
2772                 'RO_scaling_info': RO_scaling_info,
2773             }
2774         else:
2775             match = {
2776                 'member_vnf_index': vnf_index,
2777                 'primitive': vnf_config_primitive,
2778                 'primitive_params': primitive_params,
2779                 'lcmOperationType': operationType
2780             }
2781         op_index = self._find_suboperation(db_nslcmop, match)
2782         if op_index == self.SUBOPERATION_STATUS_NOT_FOUND:
2783             # a. New sub-operation
2784             # The sub-operation does not exist, add it.
2785             # _ns_execute_primitive() will be called from scale() as usual, with non-modified arguments
2786             # The following parameters are set to None for all kind of scaling:
2787             vdu_id = None
2788             vdu_count_index = None
2789             vdu_name = None
2790             if RO_nsr_id and RO_scaling_info:
2791                 vnf_config_primitive = None
2792                 primitive_params = None
2793             else:
2794                 RO_nsr_id = None
2795                 RO_scaling_info = None
2796             # Initial status for sub-operation
2797             operationState = 'PROCESSING'
2798             detailed_status = 'In progress'
2799             # Add sub-operation for pre/post-scaling (zero or more operations)
2800             self._add_suboperation(db_nslcmop,
2801                                    vnf_index,
2802                                    vdu_id,
2803                                    vdu_count_index,
2804                                    vdu_name,
2805                                    vnf_config_primitive,
2806                                    primitive_params,
2807                                    operationState,
2808                                    detailed_status,
2809                                    operationType,
2810                                    RO_nsr_id,
2811                                    RO_scaling_info)
2812             return self.SUBOPERATION_STATUS_NEW
2813         else:
2814             # Return either SUBOPERATION_STATUS_SKIP (operationState == 'COMPLETED'),
2815             # or op_index (operationState != 'COMPLETED')
2816             return self._retry_or_skip_suboperation(db_nslcmop, op_index)
2817
2818     # Function to return execution_environment id
2819
2820     def _get_ee_id(self, vnf_index, vdu_id, vca_deployed_list):
2821         # TODO vdu_index_count
2822         for vca in vca_deployed_list:
2823             if vca["member-vnf-index"] == vnf_index and vca["vdu_id"] == vdu_id:
2824                 return vca["ee_id"]
2825
2826     async def destroy_N2VC(
2827         self,
2828         logging_text,
2829         db_nslcmop,
2830         vca_deployed,
2831         config_descriptor,
2832         vca_index,
2833         destroy_ee=True,
2834         exec_primitives=True,
2835         scaling_in=False,
2836         vca_id: str = None,
2837     ):
2838         """
2839         Execute the terminate primitives and destroy the execution environment (if destroy_ee=False
2840         :param logging_text:
2841         :param db_nslcmop:
2842         :param vca_deployed: Dictionary of deployment info at db_nsr._admin.depoloyed.VCA.<INDEX>
2843         :param config_descriptor: Configuration descriptor of the NSD, VNFD, VNFD.vdu or VNFD.kdu
2844         :param vca_index: index in the database _admin.deployed.VCA
2845         :param destroy_ee: False to do not destroy, because it will be destroyed all of then at once
2846         :param exec_primitives: False to do not execute terminate primitives, because the config is not completed or has
2847                             not executed properly
2848         :param scaling_in: True destroys the application, False destroys the model
2849         :return: None or exception
2850         """
2851
2852         self.logger.debug(
2853             logging_text + " vca_index: {}, vca_deployed: {}, config_descriptor: {}, destroy_ee: {}".format(
2854                 vca_index, vca_deployed, config_descriptor, destroy_ee
2855             )
2856         )
2857
2858         vca_type = vca_deployed.get("type", "lxc_proxy_charm")
2859
2860         # execute terminate_primitives
2861         if exec_primitives:
2862             terminate_primitives = get_ee_sorted_terminate_config_primitive_list(
2863                 config_descriptor.get("terminate-config-primitive"), vca_deployed.get("ee_descriptor_id"))
2864             vdu_id = vca_deployed.get("vdu_id")
2865             vdu_count_index = vca_deployed.get("vdu_count_index")
2866             vdu_name = vca_deployed.get("vdu_name")
2867             vnf_index = vca_deployed.get("member-vnf-index")
2868             if terminate_primitives and vca_deployed.get("needed_terminate"):
2869                 for seq in terminate_primitives:
2870                     # For each sequence in list, get primitive and call _ns_execute_primitive()
2871                     step = "Calling terminate action for vnf_member_index={} primitive={}".format(
2872                         vnf_index, seq.get("name"))
2873                     self.logger.debug(logging_text + step)
2874                     # Create the primitive for each sequence, i.e. "primitive": "touch"
2875                     primitive = seq.get('name')
2876                     mapped_primitive_params = self._get_terminate_primitive_params(seq, vnf_index)
2877
2878                     # Add sub-operation
2879                     self._add_suboperation(db_nslcmop,
2880                                            vnf_index,
2881                                            vdu_id,
2882                                            vdu_count_index,
2883                                            vdu_name,
2884                                            primitive,
2885                                            mapped_primitive_params)
2886                     # Sub-operations: Call _ns_execute_primitive() instead of action()
2887                     try:
2888                         result, result_detail = await self._ns_execute_primitive(
2889                             vca_deployed["ee_id"], primitive,
2890                             mapped_primitive_params,
2891                             vca_type=vca_type,
2892                             vca_id=vca_id,
2893                         )
2894                     except LcmException:
2895                         # this happens when VCA is not deployed. In this case it is not needed to terminate
2896                         continue
2897                     result_ok = ['COMPLETED', 'PARTIALLY_COMPLETED']
2898                     if result not in result_ok:
2899                         raise LcmException("terminate_primitive {}  for vnf_member_index={} fails with "
2900                                            "error {}".format(seq.get("name"), vnf_index, result_detail))
2901                 # set that this VCA do not need terminated
2902                 db_update_entry = "_admin.deployed.VCA.{}.needed_terminate".format(vca_index)
2903                 self.update_db_2("nsrs", db_nslcmop["nsInstanceId"], {db_update_entry: False})
2904
2905         if vca_deployed.get("prometheus_jobs") and self.prometheus:
2906             await self.prometheus.update(remove_jobs=vca_deployed["prometheus_jobs"])
2907
2908         if destroy_ee:
2909             await self.vca_map[vca_type].delete_execution_environment(
2910                 vca_deployed["ee_id"],
2911                 scaling_in=scaling_in,
2912                 vca_id=vca_id,
2913             )
2914
2915     async def _delete_all_N2VC(self, db_nsr: dict, vca_id: str = None):
2916         self._write_all_config_status(db_nsr=db_nsr, status='TERMINATING')
2917         namespace = "." + db_nsr["_id"]
2918         try:
2919             await self.n2vc.delete_namespace(
2920                 namespace=namespace,
2921                 total_timeout=self.timeout_charm_delete,
2922                 vca_id=vca_id,
2923             )
2924         except N2VCNotFound:  # already deleted. Skip
2925             pass
2926         self._write_all_config_status(db_nsr=db_nsr, status='DELETED')
2927
2928     async def _terminate_RO(self, logging_text, nsr_deployed, nsr_id, nslcmop_id, stage):
2929         """
2930         Terminates a deployment from RO
2931         :param logging_text:
2932         :param nsr_deployed: db_nsr._admin.deployed
2933         :param nsr_id:
2934         :param nslcmop_id:
2935         :param stage: list of string with the content to write on db_nslcmop.detailed-status.
2936             this method will update only the index 2, but it will write on database the concatenated content of the list
2937         :return:
2938         """
2939         db_nsr_update = {}
2940         failed_detail = []
2941         ro_nsr_id = ro_delete_action = None
2942         if nsr_deployed and nsr_deployed.get("RO"):
2943             ro_nsr_id = nsr_deployed["RO"].get("nsr_id")
2944             ro_delete_action = nsr_deployed["RO"].get("nsr_delete_action_id")
2945         try:
2946             if ro_nsr_id:
2947                 stage[2] = "Deleting ns from VIM."
2948                 db_nsr_update["detailed-status"] = " ".join(stage)
2949                 self._write_op_status(nslcmop_id, stage)
2950                 self.logger.debug(logging_text + stage[2])
2951                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
2952                 self._write_op_status(nslcmop_id, stage)
2953                 desc = await self.RO.delete("ns", ro_nsr_id)
2954                 ro_delete_action = desc["action_id"]
2955                 db_nsr_update["_admin.deployed.RO.nsr_delete_action_id"] = ro_delete_action
2956                 db_nsr_update["_admin.deployed.RO.nsr_id"] = None
2957                 db_nsr_update["_admin.deployed.RO.nsr_status"] = "DELETED"
2958             if ro_delete_action:
2959                 # wait until NS is deleted from VIM
2960                 stage[2] = "Waiting ns deleted from VIM."
2961                 detailed_status_old = None
2962                 self.logger.debug(logging_text + stage[2] + " RO_id={} ro_delete_action={}".format(ro_nsr_id,
2963                                                                                                    ro_delete_action))
2964                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
2965                 self._write_op_status(nslcmop_id, stage)
2966
2967                 delete_timeout = 20 * 60  # 20 minutes
2968                 while delete_timeout > 0:
2969                     desc = await self.RO.show(
2970                         "ns",
2971                         item_id_name=ro_nsr_id,
2972                         extra_item="action",
2973                         extra_item_id=ro_delete_action)
2974
2975                     # deploymentStatus
2976                     self._on_update_ro_db(nsrs_id=nsr_id, ro_descriptor=desc)
2977
2978                     ns_status, ns_status_info = self.RO.check_action_status(desc)
2979                     if ns_status == "ERROR":
2980                         raise ROclient.ROClientException(ns_status_info)
2981                     elif ns_status == "BUILD":
2982                         stage[2] = "Deleting from VIM {}".format(ns_status_info)
2983                     elif ns_status == "ACTIVE":
2984                         db_nsr_update["_admin.deployed.RO.nsr_delete_action_id"] = None
2985                         db_nsr_update["_admin.deployed.RO.nsr_status"] = "DELETED"
2986                         break
2987                     else:
2988                         assert False, "ROclient.check_action_status returns unknown {}".format(ns_status)
2989                     if stage[2] != detailed_status_old:
2990                         detailed_status_old = stage[2]
2991                         db_nsr_update["detailed-status"] = " ".join(stage)
2992                         self._write_op_status(nslcmop_id, stage)
2993                         self.update_db_2("nsrs", nsr_id, db_nsr_update)
2994                     await asyncio.sleep(5, loop=self.loop)
2995                     delete_timeout -= 5
2996                 else:  # delete_timeout <= 0:
2997                     raise ROclient.ROClientException("Timeout waiting ns deleted from VIM")
2998
2999         except Exception as e:
3000             self.update_db_2("nsrs", nsr_id, db_nsr_update)
3001             if isinstance(e, ROclient.ROClientException) and e.http_code == 404:  # not found
3002                 db_nsr_update["_admin.deployed.RO.nsr_id"] = None
3003                 db_nsr_update["_admin.deployed.RO.nsr_status"] = "DELETED"
3004                 db_nsr_update["_admin.deployed.RO.nsr_delete_action_id"] = None
3005                 self.logger.debug(logging_text + "RO_ns_id={} already deleted".format(ro_nsr_id))
3006             elif isinstance(e, ROclient.ROClientException) and e.http_code == 409:  # conflict
3007                 failed_detail.append("delete conflict: {}".format(e))
3008                 self.logger.debug(logging_text + "RO_ns_id={} delete conflict: {}".format(ro_nsr_id, e))
3009             else:
3010                 failed_detail.append("delete error: {}".format(e))
3011                 self.logger.error(logging_text + "RO_ns_id={} delete error: {}".format(ro_nsr_id, e))
3012
3013         # Delete nsd
3014         if not failed_detail and deep_get(nsr_deployed, ("RO", "nsd_id")):
3015             ro_nsd_id = nsr_deployed["RO"]["nsd_id"]
3016             try:
3017                 stage[2] = "Deleting nsd from RO."
3018                 db_nsr_update["detailed-status"] = " ".join(stage)
3019                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
3020                 self._write_op_status(nslcmop_id, stage)
3021                 await self.RO.delete("nsd", ro_nsd_id)
3022                 self.logger.debug(logging_text + "ro_nsd_id={} deleted".format(ro_nsd_id))
3023                 db_nsr_update["_admin.deployed.RO.nsd_id"] = None
3024             except Exception as e:
3025                 if isinstance(e, ROclient.ROClientException) and e.http_code == 404:  # not found
3026                     db_nsr_update["_admin.deployed.RO.nsd_id"] = None
3027                     self.logger.debug(logging_text + "ro_nsd_id={} already deleted".format(ro_nsd_id))
3028                 elif isinstance(e, ROclient.ROClientException) and e.http_code == 409:  # conflict
3029                     failed_detail.append("ro_nsd_id={} delete conflict: {}".format(ro_nsd_id, e))
3030                     self.logger.debug(logging_text + failed_detail[-1])
3031                 else:
3032                     failed_detail.append("ro_nsd_id={} delete error: {}".format(ro_nsd_id, e))
3033                     self.logger.error(logging_text + failed_detail[-1])
3034
3035         if not failed_detail and deep_get(nsr_deployed, ("RO", "vnfd")):
3036             for index, vnf_deployed in enumerate(nsr_deployed["RO"]["vnfd"]):
3037                 if not vnf_deployed or not vnf_deployed["id"]:
3038                     continue
3039                 try:
3040                     ro_vnfd_id = vnf_deployed["id"]
3041                     stage[2] = "Deleting member_vnf_index={} ro_vnfd_id={} from RO.".format(
3042                         vnf_deployed["member-vnf-index"], ro_vnfd_id)
3043                     db_nsr_update["detailed-status"] = " ".join(stage)
3044                     self.update_db_2("nsrs", nsr_id, db_nsr_update)
3045                     self._write_op_status(nslcmop_id, stage)
3046                     await self.RO.delete("vnfd", ro_vnfd_id)
3047                     self.logger.debug(logging_text + "ro_vnfd_id={} deleted".format(ro_vnfd_id))
3048                     db_nsr_update["_admin.deployed.RO.vnfd.{}.id".format(index)] = None
3049                 except Exception as e:
3050                     if isinstance(e, ROclient.ROClientException) and e.http_code == 404:  # not found
3051                         db_nsr_update["_admin.deployed.RO.vnfd.{}.id".format(index)] = None
3052                         self.logger.debug(logging_text + "ro_vnfd_id={} already deleted ".format(ro_vnfd_id))
3053                     elif isinstance(e, ROclient.ROClientException) and e.http_code == 409:  # conflict
3054                         failed_detail.append("ro_vnfd_id={} delete conflict: {}".format(ro_vnfd_id, e))
3055                         self.logger.debug(logging_text + failed_detail[-1])
3056                     else:
3057                         failed_detail.append("ro_vnfd_id={} delete error: {}".format(ro_vnfd_id, e))
3058                         self.logger.error(logging_text + failed_detail[-1])
3059
3060         if failed_detail:
3061             stage[2] = "Error deleting from VIM"
3062         else:
3063             stage[2] = "Deleted from VIM"
3064         db_nsr_update["detailed-status"] = " ".join(stage)
3065         self.update_db_2("nsrs", nsr_id, db_nsr_update)
3066         self._write_op_status(nslcmop_id, stage)
3067
3068         if failed_detail:
3069             raise LcmException("; ".join(failed_detail))
3070
3071     async def terminate(self, nsr_id, nslcmop_id):
3072         # Try to lock HA task here
3073         task_is_locked_by_me = self.lcm_tasks.lock_HA('ns', 'nslcmops', nslcmop_id)
3074         if not task_is_locked_by_me:
3075             return
3076
3077         logging_text = "Task ns={} terminate={} ".format(nsr_id, nslcmop_id)
3078         self.logger.debug(logging_text + "Enter")
3079         timeout_ns_terminate = self.timeout_ns_terminate
3080         db_nsr = None
3081         db_nslcmop = None
3082         operation_params = None
3083         exc = None
3084         error_list = []   # annotates all failed error messages
3085         db_nslcmop_update = {}
3086         autoremove = False  # autoremove after terminated
3087         tasks_dict_info = {}
3088         db_nsr_update = {}
3089         stage = ["Stage 1/3: Preparing task.", "Waiting for previous operations to terminate.", ""]
3090         # ^ contains [stage, step, VIM-status]
3091         try:
3092             # wait for any previous tasks in process
3093             await self.lcm_tasks.waitfor_related_HA("ns", 'nslcmops', nslcmop_id)
3094
3095             stage[1] = "Getting nslcmop={} from db.".format(nslcmop_id)
3096             db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
3097             operation_params = db_nslcmop.get("operationParams") or {}
3098             if operation_params.get("timeout_ns_terminate"):
3099                 timeout_ns_terminate = operation_params["timeout_ns_terminate"]
3100             stage[1] = "Getting nsr={} from db.".format(nsr_id)
3101             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
3102
3103             db_nsr_update["operational-status"] = "terminating"
3104             db_nsr_update["config-status"] = "terminating"
3105             self._write_ns_status(
3106                 nsr_id=nsr_id,
3107                 ns_state="TERMINATING",
3108                 current_operation="TERMINATING",
3109                 current_operation_id=nslcmop_id,
3110                 other_update=db_nsr_update
3111             )
3112             self._write_op_status(
3113                 op_id=nslcmop_id,
3114                 queuePosition=0,
3115                 stage=stage
3116             )
3117             nsr_deployed = deepcopy(db_nsr["_admin"].get("deployed")) or {}
3118             if db_nsr["_admin"]["nsState"] == "NOT_INSTANTIATED":
3119                 return
3120
3121             stage[1] = "Getting vnf descriptors from db."
3122             db_vnfrs_list = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id})
3123             db_vnfrs_dict = {db_vnfr["member-vnf-index-ref"]: db_vnfr for db_vnfr in db_vnfrs_list}
3124             db_vnfds_from_id = {}
3125             db_vnfds_from_member_index = {}
3126             # Loop over VNFRs
3127             for vnfr in db_vnfrs_list:
3128                 vnfd_id = vnfr["vnfd-id"]
3129                 if vnfd_id not in db_vnfds_from_id:
3130                     vnfd = self.db.get_one("vnfds", {"_id": vnfd_id})
3131                     db_vnfds_from_id[vnfd_id] = vnfd
3132                 db_vnfds_from_member_index[vnfr["member-vnf-index-ref"]] = db_vnfds_from_id[vnfd_id]
3133
3134             # Destroy individual execution environments when there are terminating primitives.
3135             # Rest of EE will be deleted at once
3136             # TODO - check before calling _destroy_N2VC
3137             # if not operation_params.get("skip_terminate_primitives"):#
3138             # or not vca.get("needed_terminate"):
3139             stage[0] = "Stage 2/3 execute terminating primitives."
3140             self.logger.debug(logging_text + stage[0])
3141             stage[1] = "Looking execution environment that needs terminate."
3142             self.logger.debug(logging_text + stage[1])
3143
3144             for vca_index, vca in enumerate(get_iterable(nsr_deployed, "VCA")):
3145                 config_descriptor = None
3146
3147                 vca_id = self.get_vca_id(db_vnfrs_dict[vca["member-vnf-index"]], db_nsr)
3148                 if not vca or not vca.get("ee_id"):
3149                     continue
3150                 if not vca.get("member-vnf-index"):
3151                     # ns
3152                     config_descriptor = db_nsr.get("ns-configuration")
3153                 elif vca.get("vdu_id"):
3154                     db_vnfd = db_vnfds_from_member_index[vca["member-vnf-index"]]
3155                     config_descriptor = get_configuration(db_vnfd, vca.get("vdu_id"))
3156                 elif vca.get("kdu_name"):
3157                     db_vnfd = db_vnfds_from_member_index[vca["member-vnf-index"]]
3158                     config_descriptor = get_configuration(db_vnfd, vca.get("kdu_name"))
3159                 else:
3160                     db_vnfd = db_vnfds_from_member_index[vca["member-vnf-index"]]
3161                     config_descriptor = get_configuration(db_vnfd, db_vnfd["id"])
3162                 vca_type = vca.get("type")
3163                 exec_terminate_primitives = (not operation_params.get("skip_terminate_primitives") and
3164                                              vca.get("needed_terminate"))
3165                 # For helm we must destroy_ee. Also for native_charm, as juju_model cannot be deleted if there are
3166                 # pending native charms
3167                 destroy_ee = True if vca_type in ("helm", "helm-v3", "native_charm") else False
3168                 # self.logger.debug(logging_text + "vca_index: {}, ee_id: {}, vca_type: {} destroy_ee: {}".format(
3169                 #     vca_index, vca.get("ee_id"), vca_type, destroy_ee))
3170                 task = asyncio.ensure_future(
3171                     self.destroy_N2VC(
3172                         logging_text,
3173                         db_nslcmop,
3174                         vca,
3175                         config_descriptor,
3176                         vca_index,
3177                         destroy_ee,
3178                         exec_terminate_primitives,
3179                         vca_id=vca_id,
3180                     )
3181                 )
3182                 tasks_dict_info[task] = "Terminating VCA {}".format(vca.get("ee_id"))
3183
3184             # wait for pending tasks of terminate primitives
3185             if tasks_dict_info:
3186                 self.logger.debug(logging_text + 'Waiting for tasks {}'.format(list(tasks_dict_info.keys())))
3187                 error_list = await self._wait_for_tasks(logging_text, tasks_dict_info,
3188                                                         min(self.timeout_charm_delete, timeout_ns_terminate),
3189                                                         stage, nslcmop_id)
3190                 tasks_dict_info.clear()
3191                 if error_list:
3192                     return   # raise LcmException("; ".join(error_list))
3193
3194             # remove All execution environments at once
3195             stage[0] = "Stage 3/3 delete all."
3196
3197             if nsr_deployed.get("VCA"):
3198                 stage[1] = "Deleting all execution environments."
3199                 self.logger.debug(logging_text + stage[1])
3200                 vca_id = self.get_vca_id({}, db_nsr)
3201                 task_delete_ee = asyncio.ensure_future(
3202                     asyncio.wait_for(
3203                         self._delete_all_N2VC(db_nsr=db_nsr, vca_id=vca_id),
3204                         timeout=self.timeout_charm_delete
3205                     )
3206                 )
3207                 # task_delete_ee = asyncio.ensure_future(self.n2vc.delete_namespace(namespace="." + nsr_id))
3208                 tasks_dict_info[task_delete_ee] = "Terminating all VCA"
3209
3210             # Delete from k8scluster
3211             stage[1] = "Deleting KDUs."
3212             self.logger.debug(logging_text + stage[1])
3213             # print(nsr_deployed)
3214             for kdu in get_iterable(nsr_deployed, "K8s"):
3215                 if not kdu or not kdu.get("kdu-instance"):
3216                     continue
3217                 kdu_instance = kdu.get("kdu-instance")
3218                 if kdu.get("k8scluster-type") in self.k8scluster_map:
3219                     # TODO: Uninstall kdu instances taking into account they could be deployed in different VIMs
3220                     vca_id = self.get_vca_id({}, db_nsr)
3221                     task_delete_kdu_instance = asyncio.ensure_future(
3222                         self.k8scluster_map[kdu["k8scluster-type"]].uninstall(
3223                             cluster_uuid=kdu.get("k8scluster-uuid"),
3224                             kdu_instance=kdu_instance,
3225                             vca_id=vca_id,
3226                         )
3227                     )
3228                 else:
3229                     self.logger.error(logging_text + "Unknown k8s deployment type {}".
3230                                       format(kdu.get("k8scluster-type")))
3231                     continue
3232                 tasks_dict_info[task_delete_kdu_instance] = "Terminating KDU '{}'".format(kdu.get("kdu-name"))
3233
3234             # remove from RO
3235             stage[1] = "Deleting ns from VIM."
3236             if self.ng_ro:
3237                 task_delete_ro = asyncio.ensure_future(
3238                     self._terminate_ng_ro(logging_text, nsr_deployed, nsr_id, nslcmop_id, stage))
3239             else:
3240                 task_delete_ro = asyncio.ensure_future(
3241                     self._terminate_RO(logging_text, nsr_deployed, nsr_id, nslcmop_id, stage))
3242             tasks_dict_info[task_delete_ro] = "Removing deployment from VIM"
3243
3244             # rest of staff will be done at finally
3245
3246         except (ROclient.ROClientException, DbException, LcmException, N2VCException) as e:
3247             self.logger.error(logging_text + "Exit Exception {}".format(e))
3248             exc = e
3249         except asyncio.CancelledError:
3250             self.logger.error(logging_text + "Cancelled Exception while '{}'".format(stage[1]))
3251             exc = "Operation was cancelled"
3252         except Exception as e:
3253             exc = traceback.format_exc()
3254             self.logger.critical(logging_text + "Exit Exception while '{}': {}".format(stage[1], e), exc_info=True)
3255         finally:
3256             if exc:
3257                 error_list.append(str(exc))
3258             try:
3259                 # wait for pending tasks
3260                 if tasks_dict_info:
3261                     stage[1] = "Waiting for terminate pending tasks."
3262                     self.logger.debug(logging_text + stage[1])
3263                     error_list += await self._wait_for_tasks(logging_text, tasks_dict_info, timeout_ns_terminate,
3264                                                              stage, nslcmop_id)
3265                 stage[1] = stage[2] = ""
3266             except asyncio.CancelledError:
3267                 error_list.append("Cancelled")
3268                 # TODO cancell all tasks
3269             except Exception as exc:
3270                 error_list.append(str(exc))
3271             # update status at database
3272             if error_list:
3273                 error_detail = "; ".join(error_list)
3274                 # self.logger.error(logging_text + error_detail)
3275                 error_description_nslcmop = '{} Detail: {}'.format(stage[0], error_detail)
3276                 error_description_nsr = 'Operation: TERMINATING.{}, {}.'.format(nslcmop_id, stage[0])
3277
3278                 db_nsr_update["operational-status"] = "failed"
3279                 db_nsr_update["detailed-status"] = error_description_nsr + " Detail: " + error_detail
3280                 db_nslcmop_update["detailed-status"] = error_detail
3281                 nslcmop_operation_state = "FAILED"
3282                 ns_state = "BROKEN"
3283             else:
3284                 error_detail = None
3285                 error_description_nsr = error_description_nslcmop = None
3286                 ns_state = "NOT_INSTANTIATED"
3287                 db_nsr_update["operational-status"] = "terminated"
3288                 db_nsr_update["detailed-status"] = "Done"
3289                 db_nsr_update["_admin.nsState"] = "NOT_INSTANTIATED"
3290                 db_nslcmop_update["detailed-status"] = "Done"
3291                 nslcmop_operation_state = "COMPLETED"
3292
3293             if db_nsr:
3294                 self._write_ns_status(
3295                     nsr_id=nsr_id,
3296                     ns_state=ns_state,
3297                     current_operation="IDLE",
3298                     current_operation_id=None,
3299                     error_description=error_description_nsr,
3300                     error_detail=error_detail,
3301                     other_update=db_nsr_update
3302                 )
3303             self._write_op_status(
3304                 op_id=nslcmop_id,
3305                 stage="",
3306                 error_message=error_description_nslcmop,
3307                 operation_state=nslcmop_operation_state,
3308                 other_update=db_nslcmop_update,
3309             )
3310             if ns_state == "NOT_INSTANTIATED":
3311                 try:
3312                     self.db.set_list("vnfrs", {"nsr-id-ref": nsr_id}, {"_admin.nsState": "NOT_INSTANTIATED"})
3313                 except DbException as e:
3314                     self.logger.warn(logging_text + 'Error writing VNFR status for nsr-id-ref: {} -> {}'.
3315                                      format(nsr_id, e))
3316             if operation_params:
3317                 autoremove = operation_params.get("autoremove", False)
3318             if nslcmop_operation_state:
3319                 try:
3320                     await self.msg.aiowrite("ns", "terminated", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,
3321                                                                  "operationState": nslcmop_operation_state,
3322                                                                  "autoremove": autoremove},
3323                                             loop=self.loop)
3324                 except Exception as e:
3325                     self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
3326
3327             self.logger.debug(logging_text + "Exit")
3328             self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_terminate")
3329
3330     async def _wait_for_tasks(self, logging_text, created_tasks_info, timeout, stage, nslcmop_id, nsr_id=None):
3331         time_start = time()
3332         error_detail_list = []
3333         error_list = []
3334         pending_tasks = list(created_tasks_info.keys())
3335         num_tasks = len(pending_tasks)
3336         num_done = 0
3337         stage[1] = "{}/{}.".format(num_done, num_tasks)
3338         self._write_op_status(nslcmop_id, stage)
3339         while pending_tasks:
3340             new_error = None
3341             _timeout = timeout + time_start - time()
3342             done, pending_tasks = await asyncio.wait(pending_tasks, timeout=_timeout,
3343                                                      return_when=asyncio.FIRST_COMPLETED)
3344             num_done += len(done)
3345             if not done:   # Timeout
3346                 for task in pending_tasks:
3347                     new_error = created_tasks_info[task] + ": Timeout"
3348                     error_detail_list.append(new_error)
3349                     error_list.append(new_error)
3350                 break
3351             for task in done:
3352                 if task.cancelled():
3353                     exc = "Cancelled"
3354                 else:
3355                     exc = task.exception()
3356                 if exc:
3357                     if isinstance(exc, asyncio.TimeoutError):
3358                         exc = "Timeout"
3359                     new_error = created_tasks_info[task] + ": {}".format(exc)
3360                     error_list.append(created_tasks_info[task])
3361                     error_detail_list.append(new_error)
3362                     if isinstance(exc, (str, DbException, N2VCException, ROclient.ROClientException, LcmException,
3363                                         K8sException, NgRoException)):
3364                         self.logger.error(logging_text + new_error)
3365                     else:
3366                         exc_traceback = "".join(traceback.format_exception(None, exc, exc.__traceback__))
3367                         self.logger.error(logging_text + created_tasks_info[task] + " " + exc_traceback)
3368                 else:
3369                     self.logger.debug(logging_text + created_tasks_info[task] + ": Done")
3370             stage[1] = "{}/{}.".format(num_done, num_tasks)
3371             if new_error:
3372                 stage[1] += " Errors: " + ". ".join(error_detail_list) + "."
3373                 if nsr_id:  # update also nsr
3374                     self.update_db_2("nsrs", nsr_id, {"errorDescription": "Error at: " + ", ".join(error_list),
3375                                                       "errorDetail": ". ".join(error_detail_list)})
3376             self._write_op_status(nslcmop_id, stage)
3377         return error_detail_list
3378
3379     @staticmethod
3380     def _map_primitive_params(primitive_desc, params, instantiation_params):
3381         """
3382         Generates the params to be provided to charm before executing primitive. If user does not provide a parameter,
3383         The default-value is used. If it is between < > it look for a value at instantiation_params
3384         :param primitive_desc: portion of VNFD/NSD that describes primitive
3385         :param params: Params provided by user
3386         :param instantiation_params: Instantiation params provided by user
3387         :return: a dictionary with the calculated params
3388         """
3389         calculated_params = {}
3390         for parameter in primitive_desc.get("parameter", ()):
3391             param_name = parameter["name"]
3392             if param_name in params:
3393                 calculated_params[param_name] = params[param_name]
3394             elif "default-value" in parameter or "value" in parameter:
3395                 if "value" in parameter:
3396                     calculated_params[param_name] = parameter["value"]
3397                 else:
3398                     calculated_params[param_name] = parameter["default-value"]
3399                 if isinstance(calculated_params[param_name], str) and calculated_params[param_name].startswith("<") \
3400                         and calculated_params[param_name].endswith(">"):
3401                     if calculated_params[param_name][1:-1] in instantiation_params:
3402                         calculated_params[param_name] = instantiation_params[calculated_params[param_name][1:-1]]
3403                     else:
3404                         raise LcmException("Parameter {} needed to execute primitive {} not provided".
3405                                            format(calculated_params[param_name], primitive_desc["name"]))
3406             else:
3407                 raise LcmException("Parameter {} needed to execute primitive {} not provided".
3408                                    format(param_name, primitive_desc["name"]))
3409
3410             if isinstance(calculated_params[param_name], (dict, list, tuple)):
3411                 calculated_params[param_name] = yaml.safe_dump(calculated_params[param_name],
3412                                                                default_flow_style=True, width=256)
3413             elif isinstance(calculated_params[param_name], str) and calculated_params[param_name].startswith("!!yaml "):
3414                 calculated_params[param_name] = calculated_params[param_name][7:]
3415             if parameter.get("data-type") == "INTEGER":
3416                 try:
3417                     calculated_params[param_name] = int(calculated_params[param_name])
3418                 except ValueError:  # error converting string to int
3419                     raise LcmException(
3420                         "Parameter {} of primitive {} must be integer".format(param_name, primitive_desc["name"]))
3421             elif parameter.get("data-type") == "BOOLEAN":
3422                 calculated_params[param_name] = not ((str(calculated_params[param_name])).lower() == 'false')
3423
3424         # add always ns_config_info if primitive name is config
3425         if primitive_desc["name"] == "config":
3426             if "ns_config_info" in instantiation_params:
3427                 calculated_params["ns_config_info"] = instantiation_params["ns_config_info"]
3428         return calculated_params
3429
3430     def _look_for_deployed_vca(self, deployed_vca, member_vnf_index, vdu_id, vdu_count_index, kdu_name=None,
3431                                ee_descriptor_id=None):
3432         # find vca_deployed record for this action. Raise LcmException if not found or there is not any id.
3433         for vca in deployed_vca:
3434             if not vca:
3435                 continue
3436             if member_vnf_index != vca["member-vnf-index"] or vdu_id != vca["vdu_id"]:
3437                 continue
3438             if vdu_count_index is not None and vdu_count_index != vca["vdu_count_index"]:
3439                 continue
3440             if kdu_name and kdu_name != vca["kdu_name"]:
3441                 continue
3442             if ee_descriptor_id and ee_descriptor_id != vca["ee_descriptor_id"]:
3443                 continue
3444             break
3445         else:
3446             # vca_deployed not found
3447             raise LcmException("charm for member_vnf_index={} vdu_id={}.{} kdu_name={} execution-environment-list.id={}"
3448                                " is not deployed".format(member_vnf_index, vdu_id, vdu_count_index, kdu_name,
3449                                                          ee_descriptor_id))
3450         # get ee_id
3451         ee_id = vca.get("ee_id")
3452         vca_type = vca.get("type", "lxc_proxy_charm")  # default value for backward compatibility - proxy charm
3453         if not ee_id:
3454             raise LcmException("charm for member_vnf_index={} vdu_id={} kdu_name={} vdu_count_index={} has not "
3455                                "execution environment"
3456                                .format(member_vnf_index, vdu_id, kdu_name, vdu_count_index))
3457         return ee_id, vca_type
3458
3459     async def _ns_execute_primitive(
3460         self,
3461         ee_id,
3462         primitive,
3463         primitive_params,
3464         retries=0,
3465         retries_interval=30,
3466         timeout=None,
3467         vca_type=None,
3468         db_dict=None,
3469         vca_id: str = None,
3470     ) -> (str, str):
3471         try:
3472             if primitive == "config":
3473                 primitive_params = {"params": primitive_params}
3474
3475             vca_type = vca_type or "lxc_proxy_charm"
3476
3477             while retries >= 0:
3478                 try:
3479                     output = await asyncio.wait_for(
3480                         self.vca_map[vca_type].exec_primitive(
3481                             ee_id=ee_id,
3482                             primitive_name=primitive,
3483                             params_dict=primitive_params,
3484                             progress_timeout=self.timeout_progress_primitive,
3485                             total_timeout=self.timeout_primitive,
3486                             db_dict=db_dict,
3487                             vca_id=vca_id,
3488                         ),
3489                         timeout=timeout or self.timeout_primitive)
3490                     # execution was OK
3491                     break
3492                 except asyncio.CancelledError:
3493                     raise
3494                 except Exception as e:  # asyncio.TimeoutError
3495                     if isinstance(e, asyncio.TimeoutError):
3496                         e = "Timeout"
3497                     retries -= 1
3498                     if retries >= 0:
3499                         self.logger.debug('Error executing action {} on {} -> {}'.format(primitive, ee_id, e))
3500                         # wait and retry
3501                         await asyncio.sleep(retries_interval, loop=self.loop)
3502                     else:
3503                         return 'FAILED', str(e)
3504
3505             return 'COMPLETED', output
3506
3507         except (LcmException, asyncio.CancelledError):
3508             raise
3509         except Exception as e:
3510             return 'FAIL', 'Error executing action {}: {}'.format(primitive, e)
3511
3512     async def vca_status_refresh(self, nsr_id, nslcmop_id):
3513         """
3514         Updating the vca_status with latest juju information in nsrs record
3515         :param: nsr_id: Id of the nsr
3516         :param: nslcmop_id: Id of the nslcmop
3517         :return: None
3518         """
3519
3520         self.logger.debug("Task ns={} action={} Enter".format(nsr_id, nslcmop_id))
3521         db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
3522         vca_id = self.get_vca_id({}, db_nsr)
3523         if db_nsr['_admin']['deployed']['K8s']:
3524             for k8s_index, k8s in enumerate(db_nsr['_admin']['deployed']['K8s']):
3525                 cluster_uuid, kdu_instance = k8s["k8scluster-uuid"], k8s["kdu-instance"]
3526                 await self._on_update_k8s_db(cluster_uuid, kdu_instance, filter={'_id': nsr_id}, vca_id=vca_id)
3527         else:
3528             for vca_index, _ in enumerate(db_nsr['_admin']['deployed']['VCA']):
3529                 table, filter = "nsrs", {"_id": nsr_id}
3530                 path = "_admin.deployed.VCA.{}.".format(vca_index)
3531                 await self._on_update_n2vc_db(table, filter, path, {})
3532
3533         self.logger.debug("Task ns={} action={} Exit".format(nsr_id, nslcmop_id))
3534         self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_vca_status_refresh")
3535
3536     async def action(self, nsr_id, nslcmop_id):
3537         # Try to lock HA task here
3538         task_is_locked_by_me = self.lcm_tasks.lock_HA('ns', 'nslcmops', nslcmop_id)
3539         if not task_is_locked_by_me:
3540             return
3541
3542         logging_text = "Task ns={} action={} ".format(nsr_id, nslcmop_id)
3543         self.logger.debug(logging_text + "Enter")
3544         # get all needed from database
3545         db_nsr = None
3546         db_nslcmop = None
3547         db_nsr_update = {}
3548         db_nslcmop_update = {}
3549         nslcmop_operation_state = None
3550         error_description_nslcmop = None
3551         exc = None
3552         try:
3553             # wait for any previous tasks in process
3554             step = "Waiting for previous operations to terminate"
3555             await self.lcm_tasks.waitfor_related_HA('ns', 'nslcmops', nslcmop_id)
3556
3557             self._write_ns_status(
3558                 nsr_id=nsr_id,
3559                 ns_state=None,
3560                 current_operation="RUNNING ACTION",
3561                 current_operation_id=nslcmop_id
3562             )
3563
3564             step = "Getting information from database"
3565             db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
3566             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
3567
3568             nsr_deployed = db_nsr["_admin"].get("deployed")
3569             vnf_index = db_nslcmop["operationParams"].get("member_vnf_index")
3570             vdu_id = db_nslcmop["operationParams"].get("vdu_id")
3571             kdu_name = db_nslcmop["operationParams"].get("kdu_name")
3572             vdu_count_index = db_nslcmop["operationParams"].get("vdu_count_index")
3573             primitive = db_nslcmop["operationParams"]["primitive"]
3574             primitive_params = db_nslcmop["operationParams"]["primitive_params"]
3575             timeout_ns_action = db_nslcmop["operationParams"].get("timeout_ns_action", self.timeout_primitive)
3576
3577             if vnf_index:
3578                 step = "Getting vnfr from database"
3579                 db_vnfr = self.db.get_one("vnfrs", {"member-vnf-index-ref": vnf_index, "nsr-id-ref": nsr_id})
3580                 step = "Getting vnfd from database"
3581                 db_vnfd = self.db.get_one("vnfds", {"_id": db_vnfr["vnfd-id"]})
3582             else:
3583                 step = "Getting nsd from database"
3584                 db_nsd = self.db.get_one("nsds", {"_id": db_nsr["nsd-id"]})
3585
3586             vca_id = self.get_vca_id(db_vnfr, db_nsr)
3587             # for backward compatibility
3588             if nsr_deployed and isinstance(nsr_deployed.get("VCA"), dict):
3589                 nsr_deployed["VCA"] = list(nsr_deployed["VCA"].values())
3590                 db_nsr_update["_admin.deployed.VCA"] = nsr_deployed["VCA"]
3591                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
3592
3593             # look for primitive
3594             config_primitive_desc = descriptor_configuration = None
3595             if vdu_id:
3596                 descriptor_configuration = get_configuration(db_vnfd, vdu_id)
3597             elif kdu_name:
3598                 descriptor_configuration = get_configuration(db_vnfd, kdu_name)
3599             elif vnf_index:
3600                 descriptor_configuration = get_configuration(db_vnfd, db_vnfd["id"])
3601             else:
3602                 descriptor_configuration = db_nsd.get("ns-configuration")
3603
3604             if descriptor_configuration and descriptor_configuration.get("config-primitive"):
3605                 for config_primitive in descriptor_configuration["config-primitive"]:
3606                     if config_primitive["name"] == primitive:
3607                         config_primitive_desc = config_primitive
3608                         break
3609
3610             if not config_primitive_desc:
3611                 if not (kdu_name and primitive in ("upgrade", "rollback", "status")):
3612                     raise LcmException("Primitive {} not found at [ns|vnf|vdu]-configuration:config-primitive ".
3613                                        format(primitive))
3614                 primitive_name = primitive
3615                 ee_descriptor_id = None
3616             else:
3617                 primitive_name = config_primitive_desc.get("execution-environment-primitive", primitive)
3618                 ee_descriptor_id = config_primitive_desc.get("execution-environment-ref")
3619
3620             if vnf_index:
3621                 if vdu_id:
3622                     vdur = next((x for x in db_vnfr["vdur"] if x["vdu-id-ref"] == vdu_id), None)
3623                     desc_params = parse_yaml_strings(vdur.get("additionalParams"))
3624                 elif kdu_name:
3625                     kdur = next((x for x in db_vnfr["kdur"] if x["kdu-name"] == kdu_name), None)
3626                     desc_params = parse_yaml_strings(kdur.get("additionalParams"))
3627                 else:
3628                     desc_params = parse_yaml_strings(db_vnfr.get("additionalParamsForVnf"))
3629             else:
3630                 desc_params = parse_yaml_strings(db_nsr.get("additionalParamsForNs"))
3631             if kdu_name and get_configuration(db_vnfd, kdu_name):
3632                 kdu_configuration = get_configuration(db_vnfd, kdu_name)
3633                 actions = set()
3634                 for primitive in kdu_configuration.get("initial-config-primitive", []):
3635                     actions.add(primitive["name"])
3636                 for primitive in kdu_configuration.get("config-primitive", []):
3637                     actions.add(primitive["name"])
3638                 kdu_action = True if primitive_name in actions else False
3639
3640             # TODO check if ns is in a proper status
3641             if kdu_name and (primitive_name in ("upgrade", "rollback", "status") or kdu_action):
3642                 # kdur and desc_params already set from before
3643                 if primitive_params:
3644                     desc_params.update(primitive_params)
3645                 # TODO Check if we will need something at vnf level
3646                 for index, kdu in enumerate(get_iterable(nsr_deployed, "K8s")):
3647                     if kdu_name == kdu["kdu-name"] and kdu["member-vnf-index"] == vnf_index:
3648                         break
3649                 else:
3650                     raise LcmException("KDU '{}' for vnf '{}' not deployed".format(kdu_name, vnf_index))
3651
3652                 if kdu.get("k8scluster-type") not in self.k8scluster_map:
3653                     msg = "unknown k8scluster-type '{}'".format(kdu.get("k8scluster-type"))
3654                     raise LcmException(msg)
3655
3656                 db_dict = {"collection": "nsrs",
3657                            "filter": {"_id": nsr_id},
3658                            "path": "_admin.deployed.K8s.{}".format(index)}
3659                 self.logger.debug(logging_text + "Exec k8s {} on {}.{}".format(primitive_name, vnf_index, kdu_name))
3660                 step = "Executing kdu {}".format(primitive_name)
3661                 if primitive_name == "upgrade":
3662                     if desc_params.get("kdu_model"):
3663                         kdu_model = desc_params.get("kdu_model")
3664                         del desc_params["kdu_model"]
3665                     else:
3666                         kdu_model = kdu.get("kdu-model")
3667                         parts = kdu_model.split(sep=":")
3668                         if len(parts) == 2:
3669                             kdu_model = parts[0]
3670
3671                     detailed_status = await asyncio.wait_for(
3672                         self.k8scluster_map[kdu["k8scluster-type"]].upgrade(
3673                             cluster_uuid=kdu.get("k8scluster-uuid"),
3674                             kdu_instance=kdu.get("kdu-instance"),
3675                             atomic=True, kdu_model=kdu_model,
3676                             params=desc_params, db_dict=db_dict,
3677                             timeout=timeout_ns_action),
3678                         timeout=timeout_ns_action + 10)
3679                     self.logger.debug(logging_text + " Upgrade of kdu {} done".format(detailed_status))
3680                 elif primitive_name == "rollback":
3681                     detailed_status = await asyncio.wait_for(
3682                         self.k8scluster_map[kdu["k8scluster-type"]].rollback(
3683                             cluster_uuid=kdu.get("k8scluster-uuid"),
3684                             kdu_instance=kdu.get("kdu-instance"),
3685                             db_dict=db_dict),
3686                         timeout=timeout_ns_action)
3687                 elif primitive_name == "status":
3688                     detailed_status = await asyncio.wait_for(
3689                         self.k8scluster_map[kdu["k8scluster-type"]].status_kdu(
3690                             cluster_uuid=kdu.get("k8scluster-uuid"),
3691                             kdu_instance=kdu.get("kdu-instance"),
3692                             vca_id=vca_id,
3693                         ),
3694                         timeout=timeout_ns_action
3695                     )
3696                 else:
3697                     kdu_instance = kdu.get("kdu-instance") or "{}-{}".format(kdu["kdu-name"], nsr_id)
3698                     params = self._map_primitive_params(config_primitive_desc, primitive_params, desc_params)
3699
3700                     detailed_status = await asyncio.wait_for(
3701                         self.k8scluster_map[kdu["k8scluster-type"]].exec_primitive(
3702                             cluster_uuid=kdu.get("k8scluster-uuid"),
3703                             kdu_instance=kdu_instance,
3704                             primitive_name=primitive_name,
3705                             params=params, db_dict=db_dict,
3706                             timeout=timeout_ns_action,
3707                             vca_id=vca_id,
3708                         ),
3709                         timeout=timeout_ns_action
3710                     )
3711
3712                 if detailed_status:
3713                     nslcmop_operation_state = 'COMPLETED'
3714                 else:
3715                     detailed_status = ''
3716                     nslcmop_operation_state = 'FAILED'
3717             else:
3718                 ee_id, vca_type = self._look_for_deployed_vca(nsr_deployed["VCA"], member_vnf_index=vnf_index,
3719                                                               vdu_id=vdu_id, vdu_count_index=vdu_count_index,
3720                                                               ee_descriptor_id=ee_descriptor_id)
3721                 for vca_index, vca_deployed in enumerate(db_nsr['_admin']['deployed']['VCA']):
3722                     if vca_deployed.get("member-vnf-index") == vnf_index:
3723                         db_dict = {"collection": "nsrs",
3724                                    "filter": {"_id": nsr_id},
3725                                    "path": "_admin.deployed.VCA.{}.".format(vca_index)}
3726                         break
3727                 nslcmop_operation_state, detailed_status = await self._ns_execute_primitive(
3728                     ee_id,
3729                     primitive=primitive_name,
3730                     primitive_params=self._map_primitive_params(config_primitive_desc, primitive_params, desc_params),
3731                     timeout=timeout_ns_action,
3732                     vca_type=vca_type,
3733                     db_dict=db_dict,
3734                     vca_id=vca_id,
3735                 )
3736
3737             db_nslcmop_update["detailed-status"] = detailed_status
3738             error_description_nslcmop = detailed_status if nslcmop_operation_state == "FAILED" else ""
3739             self.logger.debug(logging_text + " task Done with result {} {}".format(nslcmop_operation_state,
3740                                                                                    detailed_status))
3741             return  # database update is called inside finally
3742
3743         except (DbException, LcmException, N2VCException, K8sException) as e:
3744             self.logger.error(logging_text + "Exit Exception {}".format(e))
3745             exc = e
3746         except asyncio.CancelledError:
3747             self.logger.error(logging_text + "Cancelled Exception while '{}'".format(step))
3748             exc = "Operation was cancelled"
3749         except asyncio.TimeoutError:
3750             self.logger.error(logging_text + "Timeout while '{}'".format(step))
3751             exc = "Timeout"
3752         except Exception as e:
3753             exc = traceback.format_exc()
3754             self.logger.critical(logging_text + "Exit Exception {} {}".format(type(e).__name__, e), exc_info=True)
3755         finally:
3756             if exc:
3757                 db_nslcmop_update["detailed-status"] = detailed_status = error_description_nslcmop = \
3758                     "FAILED {}: {}".format(step, exc)
3759                 nslcmop_operation_state = "FAILED"
3760             if db_nsr:
3761                 self._write_ns_status(
3762                     nsr_id=nsr_id,
3763                     ns_state=db_nsr["nsState"],   # TODO check if degraded. For the moment use previous status
3764                     current_operation="IDLE",
3765                     current_operation_id=None,
3766                     # error_description=error_description_nsr,
3767                     # error_detail=error_detail,
3768                     other_update=db_nsr_update
3769                 )
3770
3771             self._write_op_status(op_id=nslcmop_id, stage="", error_message=error_description_nslcmop,
3772                                   operation_state=nslcmop_operation_state, other_update=db_nslcmop_update)
3773
3774             if nslcmop_operation_state:
3775                 try:
3776                     await self.msg.aiowrite("ns", "actioned", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,
3777                                                                "operationState": nslcmop_operation_state},
3778                                             loop=self.loop)
3779                 except Exception as e:
3780                     self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
3781             self.logger.debug(logging_text + "Exit")
3782             self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_action")
3783             return nslcmop_operation_state, detailed_status
3784
3785     async def scale(self, nsr_id, nslcmop_id):
3786         # Try to lock HA task here
3787         task_is_locked_by_me = self.lcm_tasks.lock_HA('ns', 'nslcmops', nslcmop_id)
3788         if not task_is_locked_by_me:
3789             return
3790
3791         logging_text = "Task ns={} scale={} ".format(nsr_id, nslcmop_id)
3792         stage = ['', '', '']
3793         tasks_dict_info = {}
3794         # ^ stage, step, VIM progress
3795         self.logger.debug(logging_text + "Enter")
3796         # get all needed from database
3797         db_nsr = None
3798         db_nslcmop_update = {}
3799         db_nsr_update = {}
3800         exc = None
3801         # in case of error, indicates what part of scale was failed to put nsr at error status
3802         scale_process = None
3803         old_operational_status = ""
3804         old_config_status = ""
3805         nsi_id = None
3806         try:
3807             # wait for any previous tasks in process
3808             step = "Waiting for previous operations to terminate"
3809             await self.lcm_tasks.waitfor_related_HA('ns', 'nslcmops', nslcmop_id)
3810             self._write_ns_status(nsr_id=nsr_id, ns_state=None,
3811                                   current_operation="SCALING", current_operation_id=nslcmop_id)
3812
3813             step = "Getting nslcmop from database"
3814             self.logger.debug(step + " after having waited for previous tasks to be completed")
3815             db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
3816
3817             step = "Getting nsr from database"
3818             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
3819             old_operational_status = db_nsr["operational-status"]
3820             old_config_status = db_nsr["config-status"]
3821
3822             step = "Parsing scaling parameters"
3823             db_nsr_update["operational-status"] = "scaling"
3824             self.update_db_2("nsrs", nsr_id, db_nsr_update)
3825             nsr_deployed = db_nsr["_admin"].get("deployed")
3826
3827             #######
3828             nsr_deployed = db_nsr["_admin"].get("deployed")
3829             vnf_index = db_nslcmop["operationParams"].get("member_vnf_index")
3830             # vdu_id = db_nslcmop["operationParams"].get("vdu_id")
3831             # vdu_count_index = db_nslcmop["operationParams"].get("vdu_count_index")
3832             # vdu_name = db_nslcmop["operationParams"].get("vdu_name")
3833             #######
3834
3835             vnf_index = db_nslcmop["operationParams"]["scaleVnfData"]["scaleByStepData"]["member-vnf-index"]
3836             scaling_group = db_nslcmop["operationParams"]["scaleVnfData"]["scaleByStepData"]["scaling-group-descriptor"]
3837             scaling_type = db_nslcmop["operationParams"]["scaleVnfData"]["scaleVnfType"]
3838             # for backward compatibility
3839             if nsr_deployed and isinstance(nsr_deployed.get("VCA"), dict):
3840                 nsr_deployed["VCA"] = list(nsr_deployed["VCA"].values())
3841                 db_nsr_update["_admin.deployed.VCA"] = nsr_deployed["VCA"]
3842                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
3843
3844             step = "Getting vnfr from database"
3845             db_vnfr = self.db.get_one("vnfrs", {"member-vnf-index-ref": vnf_index, "nsr-id-ref": nsr_id})
3846
3847             vca_id = self.get_vca_id(db_vnfr, db_nsr)
3848
3849             step = "Getting vnfd from database"
3850             db_vnfd = self.db.get_one("vnfds", {"_id": db_vnfr["vnfd-id"]})
3851
3852             base_folder = db_vnfd["_admin"]["storage"]
3853
3854             step = "Getting scaling-group-descriptor"
3855             scaling_descriptor = find_in_list(
3856                 get_scaling_aspect(
3857                     db_vnfd
3858                 ),
3859                 lambda scale_desc: scale_desc["name"] == scaling_group
3860             )
3861             if not scaling_descriptor:
3862                 raise LcmException("input parameter 'scaleByStepData':'scaling-group-descriptor':'{}' is not present "
3863                                    "at vnfd:scaling-group-descriptor".format(scaling_group))
3864
3865             step = "Sending scale order to VIM"
3866             # TODO check if ns is in a proper status
3867             nb_scale_op = 0
3868             if not db_nsr["_admin"].get("scaling-group"):
3869                 self.update_db_2("nsrs", nsr_id, {"_admin.scaling-group": [{"name": scaling_group, "nb-scale-op": 0}]})
3870                 admin_scale_index = 0
3871             else:
3872                 for admin_scale_index, admin_scale_info in enumerate(db_nsr["_admin"]["scaling-group"]):
3873                     if admin_scale_info["name"] == scaling_group:
3874                         nb_scale_op = admin_scale_info.get("nb-scale-op", 0)
3875                         break
3876                 else:  # not found, set index one plus last element and add new entry with the name
3877                     admin_scale_index += 1
3878                     db_nsr_update["_admin.scaling-group.{}.name".format(admin_scale_index)] = scaling_group
3879             RO_scaling_info = []
3880             VCA_scaling_info = []
3881             vdu_scaling_info = {"scaling_group_name": scaling_group, "vdu": []}
3882             if scaling_type == "SCALE_OUT":
3883                 if "aspect-delta-details" not in scaling_descriptor:
3884                     raise LcmException(
3885                         "Aspect delta details not fount in scaling descriptor {}".format(
3886                             scaling_descriptor["name"]
3887                         )
3888                     )
3889                 # count if max-instance-count is reached
3890                 deltas = scaling_descriptor.get("aspect-delta-details")["deltas"]
3891
3892                 vdu_scaling_info["scaling_direction"] = "OUT"
3893                 vdu_scaling_info["vdu-create"] = {}
3894                 for delta in deltas:
3895                     for vdu_delta in delta["vdu-delta"]:
3896                         vdud = get_vdu(db_vnfd, vdu_delta["id"])
3897                         vdu_index = get_vdur_index(db_vnfr, vdu_delta)
3898                         cloud_init_text = self._get_vdu_cloud_init_content(vdud, db_vnfd)
3899                         if cloud_init_text:
3900                             additional_params = self._get_vdu_additional_params(db_vnfr, vdud["id"]) or {}
3901                         cloud_init_list = []
3902
3903                         vdu_profile = get_vdu_profile(db_vnfd, vdu_delta["id"])
3904                         max_instance_count = 10
3905                         if vdu_profile and "max-number-of-instances" in vdu_profile:
3906                             max_instance_count = vdu_profile.get("max-number-of-instances", 10)
3907
3908                         default_instance_num = get_number_of_instances(db_vnfd, vdud["id"])
3909
3910                         nb_scale_op += vdu_delta.get("number-of-instances", 1)
3911
3912                         if nb_scale_op + default_instance_num > max_instance_count:
3913                             raise LcmException(
3914                                 "reached the limit of {} (max-instance-count) "
3915                                 "scaling-out operations for the "
3916                                 "scaling-group-descriptor '{}'".format(nb_scale_op, scaling_group)
3917                             )
3918                         for x in range(vdu_delta.get("number-of-instances", 1)):
3919                             if cloud_init_text:
3920                                 # TODO Information of its own ip is not available because db_vnfr is not updated.
3921                                 additional_params["OSM"] = get_osm_params(
3922                                     db_vnfr,
3923                                     vdu_delta["id"],
3924                                     vdu_index + x
3925                                 )
3926                                 cloud_init_list.append(
3927                                     self._parse_cloud_init(
3928                                         cloud_init_text,
3929                                         additional_params,
3930                                         db_vnfd["id"],
3931                                         vdud["id"]
3932                                     )
3933                                 )
3934                                 VCA_scaling_info.append(
3935                                     {
3936                                         "osm_vdu_id": vdu_delta["id"],
3937                                         "member-vnf-index": vnf_index,
3938                                         "type": "create",
3939                                         "vdu_index": vdu_index + x
3940                                     }
3941                                 )
3942                         RO_scaling_info.append(
3943                             {
3944                                 "osm_vdu_id": vdu_delta["id"],
3945                                 "member-vnf-index": vnf_index,
3946                                 "type": "create",
3947                                 "count": vdu_delta.get("number-of-instances", 1)
3948                             }
3949                         )
3950                         if cloud_init_list:
3951                             RO_scaling_info[-1]["cloud_init"] = cloud_init_list
3952                         vdu_scaling_info["vdu-create"][vdu_delta["id"]] = vdu_delta.get("number-of-instances", 1)
3953
3954             elif scaling_type == "SCALE_IN":
3955                 if "min-instance-count" in scaling_descriptor and scaling_descriptor["min-instance-count"] is not None:
3956                     min_instance_count = int(scaling_descriptor["min-instance-count"])
3957
3958                 vdu_scaling_info["scaling_direction"] = "IN"
3959                 vdu_scaling_info["vdu-delete"] = {}
3960                 deltas = scaling_descriptor.get("aspect-delta-details")["deltas"]
3961                 for delta in deltas:
3962                     for vdu_delta in delta["vdu-delta"]:
3963                         vdu_index = get_vdur_index(db_vnfr, vdu_delta)
3964                         min_instance_count = 0
3965                         vdu_profile = get_vdu_profile(db_vnfd, vdu_delta["id"])
3966                         if vdu_profile and "min-number-of-instances" in vdu_profile:
3967                             min_instance_count = vdu_profile["min-number-of-instances"]
3968
3969                         default_instance_num = get_number_of_instances(db_vnfd, vdu_delta["id"])
3970
3971                         nb_scale_op -= vdu_delta.get("number-of-instances", 1)
3972                         if nb_scale_op + default_instance_num < min_instance_count:
3973                             raise LcmException(
3974                                 "reached the limit of {} (min-instance-count) scaling-in operations for the "
3975                                 "scaling-group-descriptor '{}'".format(nb_scale_op, scaling_group)
3976                             )
3977                         RO_scaling_info.append({"osm_vdu_id": vdu_delta["id"], "member-vnf-index": vnf_index,
3978                                                 "type": "delete", "count": vdu_delta.get("number-of-instances", 1),
3979                                                 "vdu_index": vdu_index - 1})
3980                         for x in range(vdu_delta.get("number-of-instances", 1)):
3981                             VCA_scaling_info.append(
3982                                 {
3983                                     "osm_vdu_id": vdu_delta["id"],
3984                                     "member-vnf-index": vnf_index,
3985                                     "type": "delete",
3986                                     "vdu_index": vdu_index - 1 - x
3987                                 }
3988                             )
3989                         vdu_scaling_info["vdu-delete"][vdu_delta["id"]] = vdu_delta.get("number-of-instances", 1)
3990
3991             # update VDU_SCALING_INFO with the VDUs to delete ip_addresses
3992             vdu_delete = copy(vdu_scaling_info.get("vdu-delete"))
3993             if vdu_scaling_info["scaling_direction"] == "IN":
3994                 for vdur in reversed(db_vnfr["vdur"]):
3995                     if vdu_delete.get(vdur["vdu-id-ref"]):
3996                         vdu_delete[vdur["vdu-id-ref"]] -= 1
3997                         vdu_scaling_info["vdu"].append({
3998                             "name": vdur.get("name") or vdur.get("vdu-name"),
3999                             "vdu_id": vdur["vdu-id-ref"],
4000                             "interface": []
4001                         })
4002                         for interface in vdur["interfaces"]:
4003                             vdu_scaling_info["vdu"][-1]["interface"].append({
4004                                 "name": interface["name"],
4005                                 "ip_address": interface["ip-address"],
4006                                 "mac_address": interface.get("mac-address"),
4007                             })
4008                 # vdu_delete = vdu_scaling_info.pop("vdu-delete")
4009
4010             # PRE-SCALE BEGIN
4011             step = "Executing pre-scale vnf-config-primitive"
4012             if scaling_descriptor.get("scaling-config-action"):
4013                 for scaling_config_action in scaling_descriptor["scaling-config-action"]:
4014                     if (scaling_config_action.get("trigger") == "pre-scale-in" and scaling_type == "SCALE_IN") \
4015                        or (scaling_config_action.get("trigger") == "pre-scale-out" and scaling_type == "SCALE_OUT"):
4016                         vnf_config_primitive = scaling_config_action["vnf-config-primitive-name-ref"]
4017                         step = db_nslcmop_update["detailed-status"] = \
4018                             "executing pre-scale scaling-config-action '{}'".format(vnf_config_primitive)
4019
4020                         # look for primitive
4021                         for config_primitive in (get_configuration(
4022                             db_vnfd, db_vnfd["id"]
4023                         ) or {}).get("config-primitive", ()):
4024                             if config_primitive["name"] == vnf_config_primitive:
4025                                 break
4026                         else:
4027                             raise LcmException(
4028                                 "Invalid vnfd descriptor at scaling-group-descriptor[name='{}']:scaling-config-action"
4029                                 "[vnf-config-primitive-name-ref='{}'] does not match any vnf-configuration:config-"
4030                                 "primitive".format(scaling_group, vnf_config_primitive))
4031
4032                         vnfr_params = {"VDU_SCALE_INFO": vdu_scaling_info}
4033                         if db_vnfr.get("additionalParamsForVnf"):
4034                             vnfr_params.update(db_vnfr["additionalParamsForVnf"])
4035
4036                         scale_process = "VCA"
4037                         db_nsr_update["config-status"] = "configuring pre-scaling"
4038                         primitive_params = self._map_primitive_params(config_primitive, {}, vnfr_params)
4039
4040                         # Pre-scale retry check: Check if this sub-operation has been executed before
4041                         op_index = self._check_or_add_scale_suboperation(
4042                             db_nslcmop, nslcmop_id, vnf_index, vnf_config_primitive, primitive_params, 'PRE-SCALE')
4043                         if op_index == self.SUBOPERATION_STATUS_SKIP:
4044                             # Skip sub-operation
4045                             result = 'COMPLETED'
4046                             result_detail = 'Done'
4047                             self.logger.debug(logging_text +
4048                                               "vnf_config_primitive={} Skipped sub-operation, result {} {}".format(
4049                                                   vnf_config_primitive, result, result_detail))
4050                         else:
4051                             if op_index == self.SUBOPERATION_STATUS_NEW:
4052                                 # New sub-operation: Get index of this sub-operation
4053                                 op_index = len(db_nslcmop.get('_admin', {}).get('operations')) - 1
4054                                 self.logger.debug(logging_text + "vnf_config_primitive={} New sub-operation".
4055                                                   format(vnf_config_primitive))
4056                             else:
4057                                 # retry:  Get registered params for this existing sub-operation
4058                                 op = db_nslcmop.get('_admin', {}).get('operations', [])[op_index]
4059                                 vnf_index = op.get('member_vnf_index')
4060                                 vnf_config_primitive = op.get('primitive')
4061                                 primitive_params = op.get('primitive_params')
4062                                 self.logger.debug(logging_text + "vnf_config_primitive={} Sub-operation retry".
4063                                                   format(vnf_config_primitive))
4064                             # Execute the primitive, either with new (first-time) or registered (reintent) args
4065                             ee_descriptor_id = config_primitive.get("execution-environment-ref")
4066                             primitive_name = config_primitive.get("execution-environment-primitive",
4067                                                                   vnf_config_primitive)
4068                             ee_id, vca_type = self._look_for_deployed_vca(nsr_deployed["VCA"],
4069                                                                           member_vnf_index=vnf_index,
4070                                                                           vdu_id=None,
4071                                                                           vdu_count_index=None,
4072                                                                           ee_descriptor_id=ee_descriptor_id)
4073                             result, result_detail = await self._ns_execute_primitive(
4074                                 ee_id, primitive_name,
4075                                 primitive_params,
4076                                 vca_type=vca_type,
4077                                 vca_id=vca_id,
4078                             )
4079                             self.logger.debug(logging_text + "vnf_config_primitive={} Done with result {} {}".format(
4080                                 vnf_config_primitive, result, result_detail))
4081                             # Update operationState = COMPLETED | FAILED
4082                             self._update_suboperation_status(
4083                                 db_nslcmop, op_index, result, result_detail)
4084
4085                         if result == "FAILED":
4086                             raise LcmException(result_detail)
4087                         db_nsr_update["config-status"] = old_config_status
4088                         scale_process = None
4089             # PRE-SCALE END
4090
4091             db_nsr_update["_admin.scaling-group.{}.nb-scale-op".format(admin_scale_index)] = nb_scale_op
4092             db_nsr_update["_admin.scaling-group.{}.time".format(admin_scale_index)] = time()
4093
4094             # SCALE-IN VCA - BEGIN
4095             if VCA_scaling_info:
4096                 step = db_nslcmop_update["detailed-status"] = \
4097                     "Deleting the execution environments"
4098                 scale_process = "VCA"
4099                 for vdu_info in VCA_scaling_info:
4100                     if vdu_info["type"] == "delete":
4101                         member_vnf_index = str(vdu_info["member-vnf-index"])
4102                         self.logger.debug(logging_text + "vdu info: {}".format(vdu_info))
4103                         vdu_id = vdu_info["osm_vdu_id"]
4104                         vdu_index = int(vdu_info["vdu_index"])
4105                         stage[1] = "Scaling member_vnf_index={}, vdu_id={}, vdu_index={} ".format(
4106                             member_vnf_index, vdu_id, vdu_index)
4107                         stage[2] = step = "Scaling in VCA"
4108                         self._write_op_status(
4109                             op_id=nslcmop_id,
4110                             stage=stage
4111                         )
4112                         vca_update = db_nsr["_admin"]["deployed"]["VCA"]
4113                         config_update = db_nsr["configurationStatus"]
4114                         for vca_index, vca in enumerate(vca_update):
4115                             if (vca or vca.get("ee_id")) and vca["member-vnf-index"] == member_vnf_index and \
4116                                     vca["vdu_count_index"] == vdu_index:
4117                                 if vca.get("vdu_id"):
4118                                     config_descriptor = get_configuration(db_vnfd, vca.get("vdu_id"))
4119                                 elif vca.get("kdu_name"):
4120                                     config_descriptor = get_configuration(db_vnfd, vca.get("kdu_name"))
4121                                 else:
4122                                     config_descriptor = get_configuration(db_vnfd, db_vnfd["id"])
4123                                 operation_params = db_nslcmop.get("operationParams") or {}
4124                                 exec_terminate_primitives = (not operation_params.get("skip_terminate_primitives") and
4125                                                              vca.get("needed_terminate"))
4126                                 task = asyncio.ensure_future(
4127                                     asyncio.wait_for(
4128                                         self.destroy_N2VC(
4129                                             logging_text,
4130                                             db_nslcmop,
4131                                             vca,
4132                                             config_descriptor,
4133                                             vca_index,
4134                                             destroy_ee=True,
4135                                             exec_primitives=exec_terminate_primitives,
4136                                             scaling_in=True,
4137                                             vca_id=vca_id,
4138                                         ),
4139                                         timeout=self.timeout_charm_delete
4140                                     )
4141                                 )
4142                                 tasks_dict_info[task] = "Terminating VCA {}".format(vca.get("ee_id"))
4143                                 del vca_update[vca_index]
4144                                 del config_update[vca_index]
4145                         # wait for pending tasks of terminate primitives
4146                         if tasks_dict_info:
4147                             self.logger.debug(logging_text +
4148                                               'Waiting for tasks {}'.format(list(tasks_dict_info.keys())))
4149                             error_list = await self._wait_for_tasks(logging_text, tasks_dict_info,
4150                                                                     min(self.timeout_charm_delete,
4151                                                                         self.timeout_ns_terminate),
4152                                                                     stage, nslcmop_id)
4153                             tasks_dict_info.clear()
4154                             if error_list:
4155                                 raise LcmException("; ".join(error_list))
4156
4157                         db_vca_and_config_update = {
4158                             "_admin.deployed.VCA": vca_update,
4159                             "configurationStatus": config_update
4160                         }
4161                         self.update_db_2("nsrs", db_nsr["_id"], db_vca_and_config_update)
4162             scale_process = None
4163             # SCALE-IN VCA - END
4164
4165             # SCALE RO - BEGIN
4166             if RO_scaling_info:
4167                 scale_process = "RO"
4168                 if self.ro_config.get("ng"):
4169                     await self._scale_ng_ro(logging_text, db_nsr, db_nslcmop, db_vnfr, vdu_scaling_info, stage)
4170             vdu_scaling_info.pop("vdu-create", None)
4171             vdu_scaling_info.pop("vdu-delete", None)
4172
4173             scale_process = None
4174             if db_nsr_update:
4175                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
4176             # SCALE RO - END
4177
4178             # SCALE-UP VCA - BEGIN
4179             if VCA_scaling_info:
4180                 step = db_nslcmop_update["detailed-status"] = \
4181                     "Creating new execution environments"
4182                 scale_process = "VCA"
4183                 for vdu_info in VCA_scaling_info:
4184                     if vdu_info["type"] == "create":
4185                         member_vnf_index = str(vdu_info["member-vnf-index"])
4186                         self.logger.debug(logging_text + "vdu info: {}".format(vdu_info))
4187                         vnfd_id = db_vnfr["vnfd-ref"]
4188                         vdu_index = int(vdu_info["vdu_index"])
4189                         deploy_params = {"OSM": get_osm_params(db_vnfr)}
4190                         if db_vnfr.get("additionalParamsForVnf"):
4191                             deploy_params.update(parse_yaml_strings(db_vnfr["additionalParamsForVnf"].copy()))
4192                         descriptor_config = get_configuration(db_vnfd, db_vnfd["id"])
4193                         if descriptor_config:
4194                             vdu_id = None
4195                             vdu_name = None
4196                             kdu_name = None
4197                             self._deploy_n2vc(
4198                                 logging_text=logging_text + "member_vnf_index={} ".format(member_vnf_index),
4199                                 db_nsr=db_nsr,
4200                                 db_vnfr=db_vnfr,
4201                                 nslcmop_id=nslcmop_id,
4202                                 nsr_id=nsr_id,
4203                                 nsi_id=nsi_id,
4204                                 vnfd_id=vnfd_id,
4205                                 vdu_id=vdu_id,
4206                                 kdu_name=kdu_name,
4207                                 member_vnf_index=member_vnf_index,
4208                                 vdu_index=vdu_index,
4209                                 vdu_name=vdu_name,
4210                                 deploy_params=deploy_params,
4211                                 descriptor_config=descriptor_config,
4212                                 base_folder=base_folder,
4213                                 task_instantiation_info=tasks_dict_info,
4214                                 stage=stage
4215                             )
4216                         vdu_id = vdu_info["osm_vdu_id"]
4217                         vdur = find_in_list(db_vnfr["vdur"], lambda vdu: vdu["vdu-id-ref"] == vdu_id)
4218                         descriptor_config = get_configuration(db_vnfd, vdu_id)
4219                         if vdur.get("additionalParams"):
4220                             deploy_params_vdu = parse_yaml_strings(vdur["additionalParams"])
4221                         else:
4222                             deploy_params_vdu = deploy_params
4223                         deploy_params_vdu["OSM"] = get_osm_params(db_vnfr, vdu_id, vdu_count_index=vdu_index)
4224                         if descriptor_config:
4225                             vdu_name = None
4226                             kdu_name = None
4227                             stage[1] = "Scaling member_vnf_index={}, vdu_id={}, vdu_index={} ".format(
4228                                 member_vnf_index, vdu_id, vdu_index)
4229                             stage[2] = step = "Scaling out VCA"
4230                             self._write_op_status(
4231                                 op_id=nslcmop_id,
4232                                 stage=stage
4233                             )
4234                             self._deploy_n2vc(
4235                                 logging_text=logging_text + "member_vnf_index={}, vdu_id={}, vdu_index={} ".format(
4236                                     member_vnf_index, vdu_id, vdu_index),
4237                                 db_nsr=db_nsr,
4238                                 db_vnfr=db_vnfr,
4239                                 nslcmop_id=nslcmop_id,
4240                                 nsr_id=nsr_id,
4241                                 nsi_id=nsi_id,
4242                                 vnfd_id=vnfd_id,
4243                                 vdu_id=vdu_id,
4244                                 kdu_name=kdu_name,
4245                                 member_vnf_index=member_vnf_index,
4246                                 vdu_index=vdu_index,
4247                                 vdu_name=vdu_name,
4248                                 deploy_params=deploy_params_vdu,
4249                                 descriptor_config=descriptor_config,
4250                                 base_folder=base_folder,
4251                                 task_instantiation_info=tasks_dict_info,
4252                                 stage=stage
4253                             )
4254             # SCALE-UP VCA - END
4255             scale_process = None
4256
4257             # POST-SCALE BEGIN
4258             # execute primitive service POST-SCALING
4259             step = "Executing post-scale vnf-config-primitive"
4260             if scaling_descriptor.get("scaling-config-action"):
4261                 for scaling_config_action in scaling_descriptor["scaling-config-action"]:
4262                     if (scaling_config_action.get("trigger") == "post-scale-in" and scaling_type == "SCALE_IN") \
4263                        or (scaling_config_action.get("trigger") == "post-scale-out" and scaling_type == "SCALE_OUT"):
4264                         vnf_config_primitive = scaling_config_action["vnf-config-primitive-name-ref"]
4265                         step = db_nslcmop_update["detailed-status"] = \
4266                             "executing post-scale scaling-config-action '{}'".format(vnf_config_primitive)
4267
4268                         vnfr_params = {"VDU_SCALE_INFO": vdu_scaling_info}
4269                         if db_vnfr.get("additionalParamsForVnf"):
4270                             vnfr_params.update(db_vnfr["additionalParamsForVnf"])
4271
4272                         # look for primitive
4273                         for config_primitive in (
4274                             get_configuration(db_vnfd, db_vnfd["id"]) or {}
4275                         ).get("config-primitive", ()):
4276                             if config_primitive["name"] == vnf_config_primitive:
4277                                 break
4278                         else:
4279                             raise LcmException(
4280                                 "Invalid vnfd descriptor at scaling-group-descriptor[name='{}']:scaling-config-"
4281                                 "action[vnf-config-primitive-name-ref='{}'] does not match any vnf-configuration:"
4282                                 "config-primitive".format(scaling_group, vnf_config_primitive))
4283                         scale_process = "VCA"
4284                         db_nsr_update["config-status"] = "configuring post-scaling"
4285                         primitive_params = self._map_primitive_params(config_primitive, {}, vnfr_params)
4286
4287                         # Post-scale retry check: Check if this sub-operation has been executed before
4288                         op_index = self._check_or_add_scale_suboperation(
4289                             db_nslcmop, nslcmop_id, vnf_index, vnf_config_primitive, primitive_params, 'POST-SCALE')
4290                         if op_index == self.SUBOPERATION_STATUS_SKIP:
4291                             # Skip sub-operation
4292                             result = 'COMPLETED'
4293                             result_detail = 'Done'
4294                             self.logger.debug(logging_text +
4295                                               "vnf_config_primitive={} Skipped sub-operation, result {} {}".
4296                                               format(vnf_config_primitive, result, result_detail))
4297                         else:
4298                             if op_index == self.SUBOPERATION_STATUS_NEW:
4299                                 # New sub-operation: Get index of this sub-operation
4300                                 op_index = len(db_nslcmop.get('_admin', {}).get('operations')) - 1
4301                                 self.logger.debug(logging_text + "vnf_config_primitive={} New sub-operation".
4302                                                   format(vnf_config_primitive))
4303                             else:
4304                                 # retry:  Get registered params for this existing sub-operation
4305                                 op = db_nslcmop.get('_admin', {}).get('operations', [])[op_index]
4306                                 vnf_index = op.get('member_vnf_index')
4307                                 vnf_config_primitive = op.get('primitive')
4308                                 primitive_params = op.get('primitive_params')
4309                                 self.logger.debug(logging_text + "vnf_config_primitive={} Sub-operation retry".
4310                                                   format(vnf_config_primitive))
4311                             # Execute the primitive, either with new (first-time) or registered (reintent) args
4312                             ee_descriptor_id = config_primitive.get("execution-environment-ref")
4313                             primitive_name = config_primitive.get("execution-environment-primitive",
4314                                                                   vnf_config_primitive)
4315                             ee_id, vca_type = self._look_for_deployed_vca(nsr_deployed["VCA"],
4316                                                                           member_vnf_index=vnf_index,
4317                                                                           vdu_id=None,
4318                                                                           vdu_count_index=None,
4319                                                                           ee_descriptor_id=ee_descriptor_id)
4320                             result, result_detail = await self._ns_execute_primitive(
4321                                 ee_id,
4322                                 primitive_name,
4323                                 primitive_params,
4324                                 vca_type=vca_type,
4325                                 vca_id=vca_id,
4326                             )
4327                             self.logger.debug(logging_text + "vnf_config_primitive={} Done with result {} {}".format(
4328                                 vnf_config_primitive, result, result_detail))
4329                             # Update operationState = COMPLETED | FAILED
4330                             self._update_suboperation_status(
4331                                 db_nslcmop, op_index, result, result_detail)
4332
4333                         if result == "FAILED":
4334                             raise LcmException(result_detail)
4335                         db_nsr_update["config-status"] = old_config_status
4336                         scale_process = None
4337             # POST-SCALE END
4338
4339             db_nsr_update["detailed-status"] = ""  # "scaled {} {}".format(scaling_group, scaling_type)
4340             db_nsr_update["operational-status"] = "running" if old_operational_status == "failed" \
4341                 else old_operational_status
4342             db_nsr_update["config-status"] = old_config_status
4343             return
4344         except (ROclient.ROClientException, DbException, LcmException, NgRoException) as e:
4345             self.logger.error(logging_text + "Exit Exception {}".format(e))
4346             exc = e
4347         except asyncio.CancelledError:
4348             self.logger.error(logging_text + "Cancelled Exception while '{}'".format(step))
4349             exc = "Operation was cancelled"
4350         except Exception as e:
4351             exc = traceback.format_exc()
4352             self.logger.critical(logging_text + "Exit Exception {} {}".format(type(e).__name__, e), exc_info=True)
4353         finally:
4354             self._write_ns_status(nsr_id=nsr_id, ns_state=None, current_operation="IDLE", current_operation_id=None)
4355             if tasks_dict_info:
4356                 stage[1] = "Waiting for instantiate pending tasks."
4357                 self.logger.debug(logging_text + stage[1])
4358                 exc = await self._wait_for_tasks(logging_text, tasks_dict_info, self.timeout_ns_deploy,
4359                                                  stage, nslcmop_id, nsr_id=nsr_id)
4360             if exc:
4361                 db_nslcmop_update["detailed-status"] = error_description_nslcmop = "FAILED {}: {}".format(step, exc)
4362                 nslcmop_operation_state = "FAILED"
4363                 if db_nsr:
4364                     db_nsr_update["operational-status"] = old_operational_status
4365                     db_nsr_update["config-status"] = old_config_status
4366                     db_nsr_update["detailed-status"] = ""
4367                     if scale_process:
4368                         if "VCA" in scale_process:
4369                             db_nsr_update["config-status"] = "failed"
4370                         if "RO" in scale_process:
4371                             db_nsr_update["operational-status"] = "failed"
4372                         db_nsr_update["detailed-status"] = "FAILED scaling nslcmop={} {}: {}".format(nslcmop_id, step,
4373                                                                                                      exc)
4374             else:
4375                 error_description_nslcmop = None
4376                 nslcmop_operation_state = "COMPLETED"
4377                 db_nslcmop_update["detailed-status"] = "Done"
4378
4379             self._write_op_status(op_id=nslcmop_id, stage="", error_message=error_description_nslcmop,
4380                                   operation_state=nslcmop_operation_state, other_update=db_nslcmop_update)
4381             if db_nsr:
4382                 self._write_ns_status(nsr_id=nsr_id, ns_state=None, current_operation="IDLE",
4383                                       current_operation_id=None, other_update=db_nsr_update)
4384
4385             if nslcmop_operation_state:
4386                 try:
4387                     msg = {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id, "operationState": nslcmop_operation_state}
4388                     await self.msg.aiowrite("ns", "scaled", msg, loop=self.loop)
4389                 except Exception as e:
4390                     self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
4391             self.logger.debug(logging_text + "Exit")
4392             self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_scale")
4393
4394     async def _scale_ng_ro(self, logging_text, db_nsr, db_nslcmop, db_vnfr, vdu_scaling_info, stage):
4395         nsr_id = db_nslcmop["nsInstanceId"]
4396         db_nsd = self.db.get_one("nsds", {"_id": db_nsr["nsd-id"]})
4397         db_vnfrs = {}
4398
4399         # read from db: vnfd's for every vnf
4400         db_vnfds = []
4401
4402         # for each vnf in ns, read vnfd
4403         for vnfr in self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id}):
4404             db_vnfrs[vnfr["member-vnf-index-ref"]] = vnfr
4405             vnfd_id = vnfr["vnfd-id"]  # vnfd uuid for this vnf
4406             # if we haven't this vnfd, read it from db
4407             if not find_in_list(db_vnfds, lambda a_vnfd: a_vnfd["id"] == vnfd_id):
4408                 # read from db
4409                 vnfd = self.db.get_one("vnfds", {"_id": vnfd_id})
4410                 db_vnfds.append(vnfd)
4411         n2vc_key = self.n2vc.get_public_key()
4412         n2vc_key_list = [n2vc_key]
4413         self.scale_vnfr(db_vnfr, vdu_scaling_info.get("vdu-create"), vdu_scaling_info.get("vdu-delete"),
4414                         mark_delete=True)
4415         # db_vnfr has been updated, update db_vnfrs to use it
4416         db_vnfrs[db_vnfr["member-vnf-index-ref"]] = db_vnfr
4417         await self._instantiate_ng_ro(logging_text, nsr_id, db_nsd, db_nsr, db_nslcmop, db_vnfrs,
4418                                       db_vnfds, n2vc_key_list, stage=stage, start_deploy=time(),
4419                                       timeout_ns_deploy=self.timeout_ns_deploy)
4420         if vdu_scaling_info.get("vdu-delete"):
4421             self.scale_vnfr(db_vnfr, None, vdu_scaling_info["vdu-delete"], mark_delete=False)
4422
4423     async def add_prometheus_metrics(self, ee_id, artifact_path, ee_config_descriptor, vnfr_id, nsr_id, target_ip):
4424         if not self.prometheus:
4425             return
4426         # look if exist a file called 'prometheus*.j2' and
4427         artifact_content = self.fs.dir_ls(artifact_path)
4428         job_file = next((f for f in artifact_content if f.startswith("prometheus") and f.endswith(".j2")), None)
4429         if not job_file:
4430             return
4431         with self.fs.file_open((artifact_path, job_file), "r") as f:
4432             job_data = f.read()
4433
4434         # TODO get_service
4435         _, _, service = ee_id.partition(".")   # remove prefix   "namespace."
4436         host_name = "{}-{}".format(service, ee_config_descriptor["metric-service"])
4437         host_port = "80"
4438         vnfr_id = vnfr_id.replace("-", "")
4439         variables = {
4440             "JOB_NAME": vnfr_id,
4441             "TARGET_IP": target_ip,
4442             "EXPORTER_POD_IP": host_name,
4443             "EXPORTER_POD_PORT": host_port,
4444         }
4445         job_list = self.prometheus.parse_job(job_data, variables)
4446         # ensure job_name is using the vnfr_id. Adding the metadata nsr_id
4447         for job in job_list:
4448             if not isinstance(job.get("job_name"), str) or vnfr_id not in job["job_name"]:
4449                 job["job_name"] = vnfr_id + "_" + str(randint(1, 10000))
4450             job["nsr_id"] = nsr_id
4451         job_dict = {jl["job_name"]: jl for jl in job_list}
4452         if await self.prometheus.update(job_dict):
4453             return list(job_dict.keys())
4454
4455     def get_vca_cloud_and_credentials(self, vim_account_id: str) -> (str, str):
4456         """
4457         Get VCA Cloud and VCA Cloud Credentials for the VIM account
4458
4459         :param: vim_account_id:     VIM Account ID
4460
4461         :return: (cloud_name, cloud_credential)
4462         """
4463         config = VimAccountDB.get_vim_account_with_id(vim_account_id).get("config", {})
4464         return config.get("vca_cloud"), config.get("vca_cloud_credential")
4465
4466     def get_vca_k8s_cloud_and_credentials(self, vim_account_id: str) -> (str, str):
4467         """
4468         Get VCA K8s Cloud and VCA K8s Cloud Credentials for the VIM account
4469
4470         :param: vim_account_id:     VIM Account ID
4471
4472         :return: (cloud_name, cloud_credential)
4473         """
4474         config = VimAccountDB.get_vim_account_with_id(vim_account_id).get("config", {})
4475         return config.get("vca_k8s_cloud"), config.get("vca_k8s_cloud_credential")