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, Template, meta, TemplateError, TemplateNotFound, TemplateSyntaxError
  26
  27 from osm_lcm import ROclient
  28 from osm_lcm.lcm_utils import LcmException, LcmExceptionNoMgmtIP, LcmBase, deep_get, get_iterable, populate_dict
  29 from n2vc.k8s_helm_conn import K8sHelmConnector
  30 from n2vc.k8s_juju_conn import K8sJujuConnector
  31
  32 from osm_common.dbbase import DbException
  33 from osm_common.fsbase import FsException
  34
  35 from n2vc.n2vc_juju_conn import N2VCJujuConnector
  36 from n2vc.exceptions import N2VCException
  37
  38 from copy import copy, deepcopy
  39 from http import HTTPStatus
  40 from time import time
  41 from uuid import uuid4
  42
  43 __author__ = "Alfonso Tierno"
  44
  45
  46 class NsLcm(LcmBase):
  47     timeout_vca_on_error = 5 * 60   # Time for charm from first time at blocked,error status to mark as failed
  48     timeout_ns_deploy = 2 * 3600   # default global timeout for deployment a ns
  49     timeout_charm_delete = 10 * 60
  50     timeout_primitive = 10 * 60  # timeout for primitive execution
  51
  52     SUBOPERATION_STATUS_NOT_FOUND = -1
  53     SUBOPERATION_STATUS_NEW = -2
  54     SUBOPERATION_STATUS_SKIP = -3
  55
  56     def __init__(self, db, msg, fs, lcm_tasks, config, loop):
  57         """
  58         Init, Connect to database, filesystem storage, and messaging
  59         :param config: two level dictionary with configuration. Top level should contain 'database', 'storage',
  60         :return: None
  61         """
  62         super().__init__(
  63             db=db,
  64             msg=msg,
  65             fs=fs,
  66             logger=logging.getLogger('lcm.ns')
  67         )
  68
  69         self.loop = loop
  70         self.lcm_tasks = lcm_tasks
  71         self.timeout = config["timeout"]
  72         self.ro_config = config["ro_config"]
  73         self.vca_config = config["VCA"].copy()
  74
  75         # create N2VC connector
  76         self.n2vc = N2VCJujuConnector(
  77             db=self.db,
  78             fs=self.fs,
  79             log=self.logger,
  80             loop=self.loop,
  81             url='{}:{}'.format(self.vca_config['host'], self.vca_config['port']),
  82             username=self.vca_config.get('user', None),
  83             vca_config=self.vca_config,
  84             on_update_db=self._on_update_n2vc_db
  85         )
  86
  87         self.k8sclusterhelm = K8sHelmConnector(
  88             kubectl_command=self.vca_config.get("kubectlpath"),
  89             helm_command=self.vca_config.get("helmpath"),
  90             fs=self.fs,
  91             log=self.logger,
  92             db=self.db,
  93             on_update_db=None,
  94         )
  95
  96         self.k8sclusterjuju = K8sJujuConnector(
  97             kubectl_command=self.vca_config.get("kubectlpath"),
  98             juju_command=self.vca_config.get("jujupath"),
  99             fs=self.fs,
 100             log=self.logger,
 101             db=self.db,
 102             on_update_db=None,
 103         )
 104
 105         # create RO client
 106         self.RO = ROclient.ROClient(self.loop, **self.ro_config)
 107
 108     def _on_update_ro_db(self, nsrs_id, ro_descriptor):
 109
 110         # self.logger.debug('_on_update_ro_db(nsrs_id={}'.format(nsrs_id))
 111
 112         try:
 113             # TODO filter RO descriptor fields...
 114
 115             # write to database
 116             db_dict = dict()
 117             # db_dict['deploymentStatus'] = yaml.dump(ro_descriptor, default_flow_style=False, indent=2)
 118             db_dict['deploymentStatus'] = ro_descriptor
 119             self.update_db_2("nsrs", nsrs_id, db_dict)
 120
 121         except Exception as e:
 122             self.logger.warn('Cannot write database RO deployment for ns={} -> {}'.format(nsrs_id, e))
 123
 124     async def _on_update_n2vc_db(self, table, filter, path, updated_data):
 125
 126         # remove last dot from path (if exists)
 127         if path.endswith('.'):
 128             path = path[:-1]
 129
 130         # self.logger.debug('_on_update_n2vc_db(table={}, filter={}, path={}, updated_data={}'
 131         #                   .format(table, filter, path, updated_data))
 132
 133         try:
 134
 135             nsr_id = filter.get('_id')
 136
 137             # read ns record from database
 138             nsr = self.db.get_one(table='nsrs', q_filter=filter)
 139             current_ns_status = nsr.get('nsState')
 140
 141             # get vca status for NS
 142             status_dict = await self.n2vc.get_status(namespace='.' + nsr_id, yaml_format=False)
 143
 144             # vcaStatus
 145             db_dict = dict()
 146             db_dict['vcaStatus'] = status_dict
 147
 148             # update configurationStatus for this VCA
 149             try:
 150                 vca_index = int(path[path.rfind(".")+1:])
 151
 152                 vca_list = deep_get(target_dict=nsr, key_list=('_admin', 'deployed', 'VCA'))
 153                 vca_status = vca_list[vca_index].get('status')
 154
 155                 configuration_status_list = nsr.get('configurationStatus')
 156                 config_status = configuration_status_list[vca_index].get('status')
 157
 158                 if config_status == 'BROKEN' and vca_status != 'failed':
 159                     db_dict['configurationStatus'][vca_index] = 'READY'
 160                 elif config_status != 'BROKEN' and vca_status == 'failed':
 161                     db_dict['configurationStatus'][vca_index] = 'BROKEN'
 162             except Exception as e:
 163                 # not update configurationStatus
 164                 self.logger.debug('Error updating vca_index (ignore): {}'.format(e))
 165
 166             # if nsState = 'READY' check if juju is reporting some error => nsState = 'DEGRADED'
 167             # if nsState = 'DEGRADED' check if all is OK
 168             is_degraded = False
 169             if current_ns_status in ('READY', 'DEGRADED'):
 170                 error_description = ''
 171                 # check machines
 172                 if status_dict.get('machines'):
 173                     for machine_id in status_dict.get('machines'):
 174                         machine = status_dict.get('machines').get(machine_id)
 175                         # check machine agent-status
 176                         if machine.get('agent-status'):
 177                             s = machine.get('agent-status').get('status')
 178                             if s != 'started':
 179                                 is_degraded = True
 180                                 error_description += 'machine {} agent-status={} ; '.format(machine_id, s)
 181                         # check machine instance status
 182                         if machine.get('instance-status'):
 183                             s = machine.get('instance-status').get('status')
 184                             if s != 'running':
 185                                 is_degraded = True
 186                                 error_description += 'machine {} instance-status={} ; '.format(machine_id, s)
 187                 # check applications
 188                 if status_dict.get('applications'):
 189                     for app_id in status_dict.get('applications'):
 190                         app = status_dict.get('applications').get(app_id)
 191                         # check application status
 192                         if app.get('status'):
 193                             s = app.get('status').get('status')
 194                             if s != 'active':
 195                                 is_degraded = True
 196                                 error_description += 'application {} status={} ; '.format(app_id, s)
 197
 198                 if error_description:
 199                     db_dict['errorDescription'] = error_description
 200                 if current_ns_status == 'READY' and is_degraded:
 201                     db_dict['nsState'] = 'DEGRADED'
 202                 if current_ns_status == 'DEGRADED' and not is_degraded:
 203                     db_dict['nsState'] = 'READY'
 204
 205             # write to database
 206             self.update_db_2("nsrs", nsr_id, db_dict)
 207
 208         except Exception as e:
 209             self.logger.warn('Error updating NS state for ns={}: {}'.format(nsr_id, e))
 210
 211         return
 212
 213     def vnfd2RO(self, vnfd, new_id=None, additionalParams=None, nsrId=None):
 214         """
 215         Converts creates a new vnfd descriptor for RO base on input OSM IM vnfd
 216         :param vnfd: input vnfd
 217         :param new_id: overrides vnf id if provided
 218         :param additionalParams: Instantiation params for VNFs provided
 219         :param nsrId: Id of the NSR
 220         :return: copy of vnfd
 221         """
 222         try:
 223             vnfd_RO = deepcopy(vnfd)
 224             # remove unused by RO configuration, monitoring, scaling and internal keys
 225             vnfd_RO.pop("_id", None)
 226             vnfd_RO.pop("_admin", None)
 227             vnfd_RO.pop("vnf-configuration", None)
 228             vnfd_RO.pop("monitoring-param", None)
 229             vnfd_RO.pop("scaling-group-descriptor", None)
 230             vnfd_RO.pop("kdu", None)
 231             vnfd_RO.pop("k8s-cluster", None)
 232             if new_id:
 233                 vnfd_RO["id"] = new_id
 234
 235             # parse cloud-init or cloud-init-file with the provided variables using Jinja2
 236             for vdu in get_iterable(vnfd_RO, "vdu"):
 237                 cloud_init_file = None
 238                 if vdu.get("cloud-init-file"):
 239                     base_folder = vnfd["_admin"]["storage"]
 240                     cloud_init_file = "{}/{}/cloud_init/{}".format(base_folder["folder"], base_folder["pkg-dir"],
 241                                                                    vdu["cloud-init-file"])
 242                     with self.fs.file_open(cloud_init_file, "r") as ci_file:
 243                         cloud_init_content = ci_file.read()
 244                     vdu.pop("cloud-init-file", None)
 245                 elif vdu.get("cloud-init"):
 246                     cloud_init_content = vdu["cloud-init"]
 247                 else:
 248                     continue
 249
 250                 env = Environment()
 251                 ast = env.parse(cloud_init_content)
 252                 mandatory_vars = meta.find_undeclared_variables(ast)
 253                 if mandatory_vars:
 254                     for var in mandatory_vars:
 255                         if not additionalParams or var not in additionalParams.keys():
 256                             raise LcmException("Variable '{}' defined at vnfd[id={}]:vdu[id={}]:cloud-init/cloud-init-"
 257                                                "file, must be provided in the instantiation parameters inside the "
 258                                                "'additionalParamsForVnf' block".format(var, vnfd["id"], vdu["id"]))
 259                 template = Template(cloud_init_content)
 260                 cloud_init_content = template.render(additionalParams or {})
 261                 vdu["cloud-init"] = cloud_init_content
 262
 263             return vnfd_RO
 264         except FsException as e:
 265             raise LcmException("Error reading vnfd[id={}]:vdu[id={}]:cloud-init-file={}: {}".
 266                                format(vnfd["id"], vdu["id"], cloud_init_file, e))
 267         except (TemplateError, TemplateNotFound, TemplateSyntaxError) as e:
 268             raise LcmException("Error parsing Jinja2 to cloud-init content at vnfd[id={}]:vdu[id={}]: {}".
 269                                format(vnfd["id"], vdu["id"], e))
 270
 271     def ns_params_2_RO(self, ns_params, nsd, vnfd_dict, n2vc_key_list):
 272         """
 273         Creates a RO ns descriptor from OSM ns_instantiate params
 274         :param ns_params: OSM instantiate params
 275         :return: The RO ns descriptor
 276         """
 277         vim_2_RO = {}
 278         wim_2_RO = {}
 279         # TODO feature 1417: Check that no instantiation is set over PDU
 280         # check if PDU forces a concrete vim-network-id and add it
 281         # check if PDU contains a SDN-assist info (dpid, switch, port) and pass it to RO
 282
 283         def vim_account_2_RO(vim_account):
 284             if vim_account in vim_2_RO:
 285                 return vim_2_RO[vim_account]
 286
 287             db_vim = self.db.get_one("vim_accounts", {"_id": vim_account})
 288             if db_vim["_admin"]["operationalState"] != "ENABLED":
 289                 raise LcmException("VIM={} is not available. operationalState={}".format(
 290                     vim_account, db_vim["_admin"]["operationalState"]))
 291             RO_vim_id = db_vim["_admin"]["deployed"]["RO"]
 292             vim_2_RO[vim_account] = RO_vim_id
 293             return RO_vim_id
 294
 295         def wim_account_2_RO(wim_account):
 296             if isinstance(wim_account, str):
 297                 if wim_account in wim_2_RO:
 298                     return wim_2_RO[wim_account]
 299
 300                 db_wim = self.db.get_one("wim_accounts", {"_id": wim_account})
 301                 if db_wim["_admin"]["operationalState"] != "ENABLED":
 302                     raise LcmException("WIM={} is not available. operationalState={}".format(
 303                         wim_account, db_wim["_admin"]["operationalState"]))
 304                 RO_wim_id = db_wim["_admin"]["deployed"]["RO-account"]
 305                 wim_2_RO[wim_account] = RO_wim_id
 306                 return RO_wim_id
 307             else:
 308                 return wim_account
 309
 310         def ip_profile_2_RO(ip_profile):
 311             RO_ip_profile = deepcopy((ip_profile))
 312             if "dns-server" in RO_ip_profile:
 313                 if isinstance(RO_ip_profile["dns-server"], list):
 314                     RO_ip_profile["dns-address"] = []
 315                     for ds in RO_ip_profile.pop("dns-server"):
 316                         RO_ip_profile["dns-address"].append(ds['address'])
 317                 else:
 318                     RO_ip_profile["dns-address"] = RO_ip_profile.pop("dns-server")
 319             if RO_ip_profile.get("ip-version") == "ipv4":
 320                 RO_ip_profile["ip-version"] = "IPv4"
 321             if RO_ip_profile.get("ip-version") == "ipv6":
 322                 RO_ip_profile["ip-version"] = "IPv6"
 323             if "dhcp-params" in RO_ip_profile:
 324                 RO_ip_profile["dhcp"] = RO_ip_profile.pop("dhcp-params")
 325             return RO_ip_profile
 326
 327         if not ns_params:
 328             return None
 329         RO_ns_params = {
 330             # "name": ns_params["nsName"],
 331             # "description": ns_params.get("nsDescription"),
 332             "datacenter": vim_account_2_RO(ns_params["vimAccountId"]),
 333             "wim_account": wim_account_2_RO(ns_params.get("wimAccountId")),
 334             # "scenario": ns_params["nsdId"],
 335         }
 336
 337         n2vc_key_list = n2vc_key_list or []
 338         for vnfd_ref, vnfd in vnfd_dict.items():
 339             vdu_needed_access = []
 340             mgmt_cp = None
 341             if vnfd.get("vnf-configuration"):
 342                 ssh_required = deep_get(vnfd, ("vnf-configuration", "config-access", "ssh-access", "required"))
 343                 if ssh_required and vnfd.get("mgmt-interface"):
 344                     if vnfd["mgmt-interface"].get("vdu-id"):
 345                         vdu_needed_access.append(vnfd["mgmt-interface"]["vdu-id"])
 346                     elif vnfd["mgmt-interface"].get("cp"):
 347                         mgmt_cp = vnfd["mgmt-interface"]["cp"]
 348
 349             for vdu in vnfd.get("vdu", ()):
 350                 if vdu.get("vdu-configuration"):
 351                     ssh_required = deep_get(vdu, ("vdu-configuration", "config-access", "ssh-access", "required"))
 352                     if ssh_required:
 353                         vdu_needed_access.append(vdu["id"])
 354                 elif mgmt_cp:
 355                     for vdu_interface in vdu.get("interface"):
 356                         if vdu_interface.get("external-connection-point-ref") and \
 357                                 vdu_interface["external-connection-point-ref"] == mgmt_cp:
 358                             vdu_needed_access.append(vdu["id"])
 359                             mgmt_cp = None
 360                             break
 361
 362             if vdu_needed_access:
 363                 for vnf_member in nsd.get("constituent-vnfd"):
 364                     if vnf_member["vnfd-id-ref"] != vnfd_ref:
 365                         continue
 366                     for vdu in vdu_needed_access:
 367                         populate_dict(RO_ns_params,
 368                                       ("vnfs", vnf_member["member-vnf-index"], "vdus", vdu, "mgmt_keys"),
 369                                       n2vc_key_list)
 370
 371         if ns_params.get("vduImage"):
 372             RO_ns_params["vduImage"] = ns_params["vduImage"]
 373
 374         if ns_params.get("ssh_keys"):
 375             RO_ns_params["cloud-config"] = {"key-pairs": ns_params["ssh_keys"]}
 376         for vnf_params in get_iterable(ns_params, "vnf"):
 377             for constituent_vnfd in nsd["constituent-vnfd"]:
 378                 if constituent_vnfd["member-vnf-index"] == vnf_params["member-vnf-index"]:
 379                     vnf_descriptor = vnfd_dict[constituent_vnfd["vnfd-id-ref"]]
 380                     break
 381             else:
 382                 raise LcmException("Invalid instantiate parameter vnf:member-vnf-index={} is not present at nsd:"
 383                                    "constituent-vnfd".format(vnf_params["member-vnf-index"]))
 384             if vnf_params.get("vimAccountId"):
 385                 populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "datacenter"),
 386                               vim_account_2_RO(vnf_params["vimAccountId"]))
 387
 388             for vdu_params in get_iterable(vnf_params, "vdu"):
 389                 # TODO feature 1417: check that this VDU exist and it is not a PDU
 390                 if vdu_params.get("volume"):
 391                     for volume_params in vdu_params["volume"]:
 392                         if volume_params.get("vim-volume-id"):
 393                             populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "vdus",
 394                                                          vdu_params["id"], "devices", volume_params["name"], "vim_id"),
 395                                           volume_params["vim-volume-id"])
 396                 if vdu_params.get("interface"):
 397                     for interface_params in vdu_params["interface"]:
 398                         if interface_params.get("ip-address"):
 399                             populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "vdus",
 400                                                          vdu_params["id"], "interfaces", interface_params["name"],
 401                                                          "ip_address"),
 402                                           interface_params["ip-address"])
 403                         if interface_params.get("mac-address"):
 404                             populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "vdus",
 405                                                          vdu_params["id"], "interfaces", interface_params["name"],
 406                                                          "mac_address"),
 407                                           interface_params["mac-address"])
 408                         if interface_params.get("floating-ip-required"):
 409                             populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "vdus",
 410                                                          vdu_params["id"], "interfaces", interface_params["name"],
 411                                                          "floating-ip"),
 412                                           interface_params["floating-ip-required"])
 413
 414             for internal_vld_params in get_iterable(vnf_params, "internal-vld"):
 415                 if internal_vld_params.get("vim-network-name"):
 416                     populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "networks",
 417                                                  internal_vld_params["name"], "vim-network-name"),
 418                                   internal_vld_params["vim-network-name"])
 419                 if internal_vld_params.get("vim-network-id"):
 420                     populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "networks",
 421                                                  internal_vld_params["name"], "vim-network-id"),
 422                                   internal_vld_params["vim-network-id"])
 423                 if internal_vld_params.get("ip-profile"):
 424                     populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "networks",
 425                                                  internal_vld_params["name"], "ip-profile"),
 426                                   ip_profile_2_RO(internal_vld_params["ip-profile"]))
 427                 if internal_vld_params.get("provider-network"):
 428
 429                     populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "networks",
 430                                                  internal_vld_params["name"], "provider-network"),
 431                                   internal_vld_params["provider-network"].copy())
 432
 433                 for icp_params in get_iterable(internal_vld_params, "internal-connection-point"):
 434                     # look for interface
 435                     iface_found = False
 436                     for vdu_descriptor in vnf_descriptor["vdu"]:
 437                         for vdu_interface in vdu_descriptor["interface"]:
 438                             if vdu_interface.get("internal-connection-point-ref") == icp_params["id-ref"]:
 439                                 if icp_params.get("ip-address"):
 440                                     populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "vdus",
 441                                                                  vdu_descriptor["id"], "interfaces",
 442                                                                  vdu_interface["name"], "ip_address"),
 443                                                   icp_params["ip-address"])
 444
 445                                 if icp_params.get("mac-address"):
 446                                     populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "vdus",
 447                                                                  vdu_descriptor["id"], "interfaces",
 448                                                                  vdu_interface["name"], "mac_address"),
 449                                                   icp_params["mac-address"])
 450                                 iface_found = True
 451                                 break
 452                         if iface_found:
 453                             break
 454                     else:
 455                         raise LcmException("Invalid instantiate parameter vnf:member-vnf-index[{}]:"
 456                                            "internal-vld:id-ref={} is not present at vnfd:internal-"
 457                                            "connection-point".format(vnf_params["member-vnf-index"],
 458                                                                      icp_params["id-ref"]))
 459
 460         for vld_params in get_iterable(ns_params, "vld"):
 461             if "ip-profile" in vld_params:
 462                 populate_dict(RO_ns_params, ("networks", vld_params["name"], "ip-profile"),
 463                               ip_profile_2_RO(vld_params["ip-profile"]))
 464
 465             if vld_params.get("provider-network"):
 466
 467                 populate_dict(RO_ns_params, ("networks", vld_params["name"], "provider-network"),
 468                               vld_params["provider-network"].copy())
 469
 470             if "wimAccountId" in vld_params and vld_params["wimAccountId"] is not None:
 471                 populate_dict(RO_ns_params, ("networks", vld_params["name"], "wim_account"),
 472                               wim_account_2_RO(vld_params["wimAccountId"])),
 473             if vld_params.get("vim-network-name"):
 474                 RO_vld_sites = []
 475                 if isinstance(vld_params["vim-network-name"], dict):
 476                     for vim_account, vim_net in vld_params["vim-network-name"].items():
 477                         RO_vld_sites.append({
 478                             "netmap-use": vim_net,
 479                             "datacenter": vim_account_2_RO(vim_account)
 480                         })
 481                 else:  # isinstance str
 482                     RO_vld_sites.append({"netmap-use": vld_params["vim-network-name"]})
 483                 if RO_vld_sites:
 484                     populate_dict(RO_ns_params, ("networks", vld_params["name"], "sites"), RO_vld_sites)
 485
 486             if vld_params.get("vim-network-id"):
 487                 RO_vld_sites = []
 488                 if isinstance(vld_params["vim-network-id"], dict):
 489                     for vim_account, vim_net in vld_params["vim-network-id"].items():
 490                         RO_vld_sites.append({
 491                             "netmap-use": vim_net,
 492                             "datacenter": vim_account_2_RO(vim_account)
 493                         })
 494                 else:  # isinstance str
 495                     RO_vld_sites.append({"netmap-use": vld_params["vim-network-id"]})
 496                 if RO_vld_sites:
 497                     populate_dict(RO_ns_params, ("networks", vld_params["name"], "sites"), RO_vld_sites)
 498             if vld_params.get("ns-net"):
 499                 if isinstance(vld_params["ns-net"], dict):
 500                     for vld_id, instance_scenario_id in vld_params["ns-net"].items():
 501                         RO_vld_ns_net = {"instance_scenario_id": instance_scenario_id, "osm_id": vld_id}
 502                         populate_dict(RO_ns_params, ("networks", vld_params["name"], "use-network"), RO_vld_ns_net)
 503             if "vnfd-connection-point-ref" in vld_params:
 504                 for cp_params in vld_params["vnfd-connection-point-ref"]:
 505                     # look for interface
 506                     for constituent_vnfd in nsd["constituent-vnfd"]:
 507                         if constituent_vnfd["member-vnf-index"] == cp_params["member-vnf-index-ref"]:
 508                             vnf_descriptor = vnfd_dict[constituent_vnfd["vnfd-id-ref"]]
 509                             break
 510                     else:
 511                         raise LcmException(
 512                             "Invalid instantiate parameter vld:vnfd-connection-point-ref:member-vnf-index-ref={} "
 513                             "is not present at nsd:constituent-vnfd".format(cp_params["member-vnf-index-ref"]))
 514                     match_cp = False
 515                     for vdu_descriptor in vnf_descriptor["vdu"]:
 516                         for interface_descriptor in vdu_descriptor["interface"]:
 517                             if interface_descriptor.get("external-connection-point-ref") == \
 518                                     cp_params["vnfd-connection-point-ref"]:
 519                                 match_cp = True
 520                                 break
 521                         if match_cp:
 522                             break
 523                     else:
 524                         raise LcmException(
 525                             "Invalid instantiate parameter vld:vnfd-connection-point-ref:member-vnf-index-ref={}:"
 526                             "vnfd-connection-point-ref={} is not present at vnfd={}".format(
 527                                 cp_params["member-vnf-index-ref"],
 528                                 cp_params["vnfd-connection-point-ref"],
 529                                 vnf_descriptor["id"]))
 530                     if cp_params.get("ip-address"):
 531                         populate_dict(RO_ns_params, ("vnfs", cp_params["member-vnf-index-ref"], "vdus",
 532                                                      vdu_descriptor["id"], "interfaces",
 533                                                      interface_descriptor["name"], "ip_address"),
 534                                       cp_params["ip-address"])
 535                     if cp_params.get("mac-address"):
 536                         populate_dict(RO_ns_params, ("vnfs", cp_params["member-vnf-index-ref"], "vdus",
 537                                                      vdu_descriptor["id"], "interfaces",
 538                                                      interface_descriptor["name"], "mac_address"),
 539                                       cp_params["mac-address"])
 540         return RO_ns_params
 541
 542     def scale_vnfr(self, db_vnfr, vdu_create=None, vdu_delete=None):
 543         # make a copy to do not change
 544         vdu_create = copy(vdu_create)
 545         vdu_delete = copy(vdu_delete)
 546
 547         vdurs = db_vnfr.get("vdur")
 548         if vdurs is None:
 549             vdurs = []
 550         vdu_index = len(vdurs)
 551         while vdu_index:
 552             vdu_index -= 1
 553             vdur = vdurs[vdu_index]
 554             if vdur.get("pdu-type"):
 555                 continue
 556             vdu_id_ref = vdur["vdu-id-ref"]
 557             if vdu_create and vdu_create.get(vdu_id_ref):
 558                 for index in range(0, vdu_create[vdu_id_ref]):
 559                     vdur = deepcopy(vdur)
 560                     vdur["_id"] = str(uuid4())
 561                     vdur["count-index"] += 1
 562                     vdurs.insert(vdu_index+1+index, vdur)
 563                 del vdu_create[vdu_id_ref]
 564             if vdu_delete and vdu_delete.get(vdu_id_ref):
 565                 del vdurs[vdu_index]
 566                 vdu_delete[vdu_id_ref] -= 1
 567                 if not vdu_delete[vdu_id_ref]:
 568                     del vdu_delete[vdu_id_ref]
 569         # check all operations are done
 570         if vdu_create or vdu_delete:
 571             raise LcmException("Error scaling OUT VNFR for {}. There is not any existing vnfr. Scaled to 0?".format(
 572                 vdu_create))
 573         if vdu_delete:
 574             raise LcmException("Error scaling IN VNFR for {}. There is not any existing vnfr. Scaled to 0?".format(
 575                 vdu_delete))
 576
 577         vnfr_update = {"vdur": vdurs}
 578         db_vnfr["vdur"] = vdurs
 579         self.update_db_2("vnfrs", db_vnfr["_id"], vnfr_update)
 580
 581     def ns_update_nsr(self, ns_update_nsr, db_nsr, nsr_desc_RO):
 582         """
 583         Updates database nsr with the RO info for the created vld
 584         :param ns_update_nsr: dictionary to be filled with the updated info
 585         :param db_nsr: content of db_nsr. This is also modified
 586         :param nsr_desc_RO: nsr descriptor from RO
 587         :return: Nothing, LcmException is raised on errors
 588         """
 589
 590         for vld_index, vld in enumerate(get_iterable(db_nsr, "vld")):
 591             for net_RO in get_iterable(nsr_desc_RO, "nets"):
 592                 if vld["id"] != net_RO.get("ns_net_osm_id"):
 593                     continue
 594                 vld["vim-id"] = net_RO.get("vim_net_id")
 595                 vld["name"] = net_RO.get("vim_name")
 596                 vld["status"] = net_RO.get("status")
 597                 vld["status-detailed"] = net_RO.get("error_msg")
 598                 ns_update_nsr["vld.{}".format(vld_index)] = vld
 599                 break
 600             else:
 601                 raise LcmException("ns_update_nsr: Not found vld={} at RO info".format(vld["id"]))
 602
 603     def ns_update_vnfr(self, db_vnfrs, nsr_desc_RO):
 604         """
 605         Updates database vnfr with the RO info, e.g. ip_address, vim_id... Descriptor db_vnfrs is also updated
 606         :param db_vnfrs: dictionary with member-vnf-index: vnfr-content
 607         :param nsr_desc_RO: nsr descriptor from RO
 608         :return: Nothing, LcmException is raised on errors
 609         """
 610         for vnf_index, db_vnfr in db_vnfrs.items():
 611             for vnf_RO in nsr_desc_RO["vnfs"]:
 612                 if vnf_RO["member_vnf_index"] != vnf_index:
 613                     continue
 614                 vnfr_update = {}
 615                 if vnf_RO.get("ip_address"):
 616                     db_vnfr["ip-address"] = vnfr_update["ip-address"] = vnf_RO["ip_address"].split(";")[0]
 617                 elif not db_vnfr.get("ip-address"):
 618                     raise LcmExceptionNoMgmtIP("ns member_vnf_index '{}' has no IP address".format(vnf_index))
 619
 620                 for vdu_index, vdur in enumerate(get_iterable(db_vnfr, "vdur")):
 621                     vdur_RO_count_index = 0
 622                     if vdur.get("pdu-type"):
 623                         continue
 624                     for vdur_RO in get_iterable(vnf_RO, "vms"):
 625                         if vdur["vdu-id-ref"] != vdur_RO["vdu_osm_id"]:
 626                             continue
 627                         if vdur["count-index"] != vdur_RO_count_index:
 628                             vdur_RO_count_index += 1
 629                             continue
 630                         vdur["vim-id"] = vdur_RO.get("vim_vm_id")
 631                         if vdur_RO.get("ip_address"):
 632                             vdur["ip-address"] = vdur_RO["ip_address"].split(";")[0]
 633                         else:
 634                             vdur["ip-address"] = None
 635                         vdur["vdu-id-ref"] = vdur_RO.get("vdu_osm_id")
 636                         vdur["name"] = vdur_RO.get("vim_name")
 637                         vdur["status"] = vdur_RO.get("status")
 638                         vdur["status-detailed"] = vdur_RO.get("error_msg")
 639                         for ifacer in get_iterable(vdur, "interfaces"):
 640                             for interface_RO in get_iterable(vdur_RO, "interfaces"):
 641                                 if ifacer["name"] == interface_RO.get("internal_name"):
 642                                     ifacer["ip-address"] = interface_RO.get("ip_address")
 643                                     ifacer["mac-address"] = interface_RO.get("mac_address")
 644                                     break
 645                             else:
 646                                 raise LcmException("ns_update_vnfr: Not found member_vnf_index={} vdur={} interface={} "
 647                                                    "from VIM info"
 648                                                    .format(vnf_index, vdur["vdu-id-ref"], ifacer["name"]))
 649                         vnfr_update["vdur.{}".format(vdu_index)] = vdur
 650                         break
 651                     else:
 652                         raise LcmException("ns_update_vnfr: Not found member_vnf_index={} vdur={} count_index={} from "
 653                                            "VIM info".format(vnf_index, vdur["vdu-id-ref"], vdur["count-index"]))
 654
 655                 for vld_index, vld in enumerate(get_iterable(db_vnfr, "vld")):
 656                     for net_RO in get_iterable(nsr_desc_RO, "nets"):
 657                         if vld["id"] != net_RO.get("vnf_net_osm_id"):
 658                             continue
 659                         vld["vim-id"] = net_RO.get("vim_net_id")
 660                         vld["name"] = net_RO.get("vim_name")
 661                         vld["status"] = net_RO.get("status")
 662                         vld["status-detailed"] = net_RO.get("error_msg")
 663                         vnfr_update["vld.{}".format(vld_index)] = vld
 664                         break
 665                     else:
 666                         raise LcmException("ns_update_vnfr: Not found member_vnf_index={} vld={} from VIM info".format(
 667                             vnf_index, vld["id"]))
 668
 669                 self.update_db_2("vnfrs", db_vnfr["_id"], vnfr_update)
 670                 break
 671
 672             else:
 673                 raise LcmException("ns_update_vnfr: Not found member_vnf_index={} from VIM info".format(vnf_index))
 674
 675     def _get_ns_config_info(self, nsr_id):
 676         """
 677         Generates a mapping between vnf,vdu elements and the N2VC id
 678         :param nsr_id: id of nsr to get last  database _admin.deployed.VCA that contains this list
 679         :return: a dictionary with {osm-config-mapping: {}} where its element contains:
 680             "<member-vnf-index>": <N2VC-id>  for a vnf configuration, or
 681             "<member-vnf-index>.<vdu.id>.<vdu replica(0, 1,..)>": <N2VC-id>  for a vdu configuration
 682         """
 683         db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
 684         vca_deployed_list = db_nsr["_admin"]["deployed"]["VCA"]
 685         mapping = {}
 686         ns_config_info = {"osm-config-mapping": mapping}
 687         for vca in vca_deployed_list:
 688             if not vca["member-vnf-index"]:
 689                 continue
 690             if not vca["vdu_id"]:
 691                 mapping[vca["member-vnf-index"]] = vca["application"]
 692             else:
 693                 mapping["{}.{}.{}".format(vca["member-vnf-index"], vca["vdu_id"], vca["vdu_count_index"])] =\
 694                     vca["application"]
 695         return ns_config_info
 696
 697     @staticmethod
 698     def _get_initial_config_primitive_list(desc_primitive_list, vca_deployed):
 699         """
 700         Generates a list of initial-config-primitive based on the list provided by the descriptor. It includes internal
 701         primitives as verify-ssh-credentials, or config when needed
 702         :param desc_primitive_list: information of the descriptor
 703         :param vca_deployed: information of the deployed, needed for known if it is related to an NS, VNF, VDU and if
 704             this element contains a ssh public key
 705         :return: The modified list. Can ba an empty list, but always a list
 706         """
 707         if desc_primitive_list:
 708             primitive_list = desc_primitive_list.copy()
 709         else:
 710             primitive_list = []
 711         # look for primitive config, and get the position. None if not present
 712         config_position = None
 713         for index, primitive in enumerate(primitive_list):
 714             if primitive["name"] == "config":
 715                 config_position = index
 716                 break
 717
 718         # for NS, add always a config primitive if not present (bug 874)
 719         if not vca_deployed["member-vnf-index"] and config_position is None:
 720             primitive_list.insert(0, {"name": "config", "parameter": []})
 721             config_position = 0
 722         # for VNF/VDU add verify-ssh-credentials after config
 723         if vca_deployed["member-vnf-index"] and config_position is not None and vca_deployed.get("ssh-public-key"):
 724             primitive_list.insert(config_position + 1, {"name": "verify-ssh-credentials", "parameter": []})
 725         return primitive_list
 726
 727     async def instantiate_RO(self, logging_text, nsr_id, nsd, db_nsr,
 728                              db_nslcmop, db_vnfrs, db_vnfds_ref, n2vc_key_list):
 729
 730         db_nsr_update = {}
 731         RO_descriptor_number = 0   # number of descriptors created at RO
 732         vnf_index_2_RO_id = {}    # map between vnfd/nsd id to the id used at RO
 733         start_deploy = time()
 734         vdu_flag = False  # If any of the VNFDs has VDUs
 735         ns_params = db_nslcmop.get("operationParams")
 736         if ns_params and ns_params.get("timeout_ns_deploy"):
 737             timeout_ns_deploy = ns_params["timeout_ns_deploy"]
 738         else:
 739             timeout_ns_deploy = self.timeout.get("ns_deploy", self.timeout_ns_deploy)
 740
 741         # deploy RO
 742
 743         # get vnfds, instantiate at RO
 744
 745         for c_vnf in nsd.get("constituent-vnfd", ()):
 746             member_vnf_index = c_vnf["member-vnf-index"]
 747             vnfd = db_vnfds_ref[c_vnf['vnfd-id-ref']]
 748             if vnfd.get("vdu"):
 749                 vdu_flag = True
 750             vnfd_ref = vnfd["id"]
 751             step = db_nsr_update["_admin.deployed.RO.detailed-status"] = "Creating vnfd='{}' member_vnf_index='{}' at" \
 752                                                                          " RO".format(vnfd_ref, member_vnf_index)
 753             # self.logger.debug(logging_text + step)
 754             vnfd_id_RO = "{}.{}.{}".format(nsr_id, RO_descriptor_number, member_vnf_index[:23])
 755             vnf_index_2_RO_id[member_vnf_index] = vnfd_id_RO
 756             RO_descriptor_number += 1
 757
 758             # look position at deployed.RO.vnfd if not present it will be appended at the end
 759             for index, vnf_deployed in enumerate(db_nsr["_admin"]["deployed"]["RO"]["vnfd"]):
 760                 if vnf_deployed["member-vnf-index"] == member_vnf_index:
 761                     break
 762             else:
 763                 index = len(db_nsr["_admin"]["deployed"]["RO"]["vnfd"])
 764                 db_nsr["_admin"]["deployed"]["RO"]["vnfd"].append(None)
 765
 766             # look if present
 767             RO_update = {"member-vnf-index": member_vnf_index}
 768             vnfd_list = await self.RO.get_list("vnfd", filter_by={"osm_id": vnfd_id_RO})
 769             if vnfd_list:
 770                 RO_update["id"] = vnfd_list[0]["uuid"]
 771                 self.logger.debug(logging_text + "vnfd='{}'  member_vnf_index='{}' exists at RO. Using RO_id={}".
 772                                   format(vnfd_ref, member_vnf_index, vnfd_list[0]["uuid"]))
 773             else:
 774                 vnfd_RO = self.vnfd2RO(vnfd, vnfd_id_RO, db_vnfrs[c_vnf["member-vnf-index"]].
 775                                        get("additionalParamsForVnf"), nsr_id)
 776                 desc = await self.RO.create("vnfd", descriptor=vnfd_RO)
 777                 RO_update["id"] = desc["uuid"]
 778                 self.logger.debug(logging_text + "vnfd='{}' member_vnf_index='{}' created at RO. RO_id={}".format(
 779                     vnfd_ref, member_vnf_index, desc["uuid"]))
 780             db_nsr_update["_admin.deployed.RO.vnfd.{}".format(index)] = RO_update
 781             db_nsr["_admin"]["deployed"]["RO"]["vnfd"][index] = RO_update
 782             self.update_db_2("nsrs", nsr_id, db_nsr_update)
 783
 784         # create nsd at RO
 785         nsd_ref = nsd["id"]
 786         step = db_nsr_update["_admin.deployed.RO.detailed-status"] = "Creating nsd={} at RO".format(nsd_ref)
 787         # self.logger.debug(logging_text + step)
 788
 789         RO_osm_nsd_id = "{}.{}.{}".format(nsr_id, RO_descriptor_number, nsd_ref[:23])
 790         RO_descriptor_number += 1
 791         nsd_list = await self.RO.get_list("nsd", filter_by={"osm_id": RO_osm_nsd_id})
 792         if nsd_list:
 793             db_nsr_update["_admin.deployed.RO.nsd_id"] = RO_nsd_uuid = nsd_list[0]["uuid"]
 794             self.logger.debug(logging_text + "nsd={} exists at RO. Using RO_id={}".format(
 795                 nsd_ref, RO_nsd_uuid))
 796         else:
 797             nsd_RO = deepcopy(nsd)
 798             nsd_RO["id"] = RO_osm_nsd_id
 799             nsd_RO.pop("_id", None)
 800             nsd_RO.pop("_admin", None)
 801             for c_vnf in nsd_RO.get("constituent-vnfd", ()):
 802                 member_vnf_index = c_vnf["member-vnf-index"]
 803                 c_vnf["vnfd-id-ref"] = vnf_index_2_RO_id[member_vnf_index]
 804             for c_vld in nsd_RO.get("vld", ()):
 805                 for cp in c_vld.get("vnfd-connection-point-ref", ()):
 806                     member_vnf_index = cp["member-vnf-index-ref"]
 807                     cp["vnfd-id-ref"] = vnf_index_2_RO_id[member_vnf_index]
 808
 809             desc = await self.RO.create("nsd", descriptor=nsd_RO)
 810             db_nsr_update["_admin.nsState"] = "INSTANTIATED"
 811             db_nsr_update["_admin.deployed.RO.nsd_id"] = RO_nsd_uuid = desc["uuid"]
 812             self.logger.debug(logging_text + "nsd={} created at RO. RO_id={}".format(nsd_ref, RO_nsd_uuid))
 813         self.update_db_2("nsrs", nsr_id, db_nsr_update)
 814
 815         # Crate ns at RO
 816         # if present use it unless in error status
 817         RO_nsr_id = deep_get(db_nsr, ("_admin", "deployed", "RO", "nsr_id"))
 818         if RO_nsr_id:
 819             try:
 820                 step = db_nsr_update["_admin.deployed.RO.detailed-status"] = "Looking for existing ns at RO"
 821                 # self.logger.debug(logging_text + step + " RO_ns_id={}".format(RO_nsr_id))
 822                 desc = await self.RO.show("ns", RO_nsr_id)
 823
 824             except ROclient.ROClientException as e:
 825                 if e.http_code != HTTPStatus.NOT_FOUND:
 826                     raise
 827                 RO_nsr_id = db_nsr_update["_admin.deployed.RO.nsr_id"] = None
 828             if RO_nsr_id:
 829                 ns_status, ns_status_info = self.RO.check_ns_status(desc)
 830                 db_nsr_update["_admin.deployed.RO.nsr_status"] = ns_status
 831                 if ns_status == "ERROR":
 832                     step = db_nsr_update["_admin.deployed.RO.detailed-status"] = "Deleting ns at RO. RO_ns_id={}"\
 833                         .format(RO_nsr_id)
 834                     self.logger.debug(logging_text + step)
 835                     await self.RO.delete("ns", RO_nsr_id)
 836                     RO_nsr_id = db_nsr_update["_admin.deployed.RO.nsr_id"] = None
 837         if not RO_nsr_id:
 838             step = db_nsr_update["_admin.deployed.RO.detailed-status"] = "Checking dependencies"
 839             # self.logger.debug(logging_text + step)
 840
 841             # check if VIM is creating and wait  look if previous tasks in process
 842             task_name, task_dependency = self.lcm_tasks.lookfor_related("vim_account", ns_params["vimAccountId"])
 843             if task_dependency:
 844                 step = "Waiting for related tasks to be completed: {}".format(task_name)
 845                 self.logger.debug(logging_text + step)
 846                 await asyncio.wait(task_dependency, timeout=3600)
 847             if ns_params.get("vnf"):
 848                 for vnf in ns_params["vnf"]:
 849                     if "vimAccountId" in vnf:
 850                         task_name, task_dependency = self.lcm_tasks.lookfor_related("vim_account",
 851                                                                                     vnf["vimAccountId"])
 852                     if task_dependency:
 853                         step = "Waiting for related tasks to be completed: {}".format(task_name)
 854                         self.logger.debug(logging_text + step)
 855                         await asyncio.wait(task_dependency, timeout=3600)
 856
 857             step = db_nsr_update["_admin.deployed.RO.detailed-status"] = "Checking instantiation parameters"
 858
 859             RO_ns_params = self.ns_params_2_RO(ns_params, nsd, db_vnfds_ref, n2vc_key_list)
 860
 861             step = db_nsr_update["detailed-status"] = "Deploying ns at VIM"
 862             # step = db_nsr_update["_admin.deployed.RO.detailed-status"] = "Deploying ns at VIM"
 863             desc = await self.RO.create("ns", descriptor=RO_ns_params, name=db_nsr["name"], scenario=RO_nsd_uuid)
 864             RO_nsr_id = db_nsr_update["_admin.deployed.RO.nsr_id"] = desc["uuid"]
 865             db_nsr_update["_admin.nsState"] = "INSTANTIATED"
 866             db_nsr_update["_admin.deployed.RO.nsr_status"] = "BUILD"
 867             self.logger.debug(logging_text + "ns created at RO. RO_id={}".format(desc["uuid"]))
 868         self.update_db_2("nsrs", nsr_id, db_nsr_update)
 869
 870         # wait until NS is ready
 871         step = ns_status_detailed = detailed_status = "Waiting VIM to deploy ns. RO_ns_id={}".format(RO_nsr_id)
 872         detailed_status_old = None
 873         self.logger.debug(logging_text + step)
 874
 875         old_desc = None
 876         while time() <= start_deploy + timeout_ns_deploy:
 877             desc = await self.RO.show("ns", RO_nsr_id)
 878
 879             # deploymentStatus
 880             if desc != old_desc:
 881                 # desc has changed => update db
 882                 self._on_update_ro_db(nsrs_id=nsr_id, ro_descriptor=desc)
 883                 old_desc = desc
 884
 885                 ns_status, ns_status_info = self.RO.check_ns_status(desc)
 886                 db_nsr_update["_admin.deployed.RO.nsr_status"] = ns_status
 887                 if ns_status == "ERROR":
 888                     raise ROclient.ROClientException(ns_status_info)
 889                 elif ns_status == "BUILD":
 890                     detailed_status = ns_status_detailed + "; {}".format(ns_status_info)
 891                 elif ns_status == "ACTIVE":
 892                     step = detailed_status = "Waiting for management IP address reported by the VIM. Updating VNFRs"
 893                     try:
 894                         if vdu_flag:
 895                             self.ns_update_vnfr(db_vnfrs, desc)
 896                         break
 897                     except LcmExceptionNoMgmtIP:
 898                         pass
 899                 else:
 900                     assert False, "ROclient.check_ns_status returns unknown {}".format(ns_status)
 901                 if detailed_status != detailed_status_old:
 902                     detailed_status_old = db_nsr_update["_admin.deployed.RO.detailed-status"] = detailed_status
 903                     self.update_db_2("nsrs", nsr_id, db_nsr_update)
 904                 await asyncio.sleep(5, loop=self.loop)
 905         else:  # timeout_ns_deploy
 906             raise ROclient.ROClientException("Timeout waiting ns to be ready")
 907
 908         step = "Updating NSR"
 909         self.ns_update_nsr(db_nsr_update, db_nsr, desc)
 910
 911         db_nsr_update["_admin.deployed.RO.operational-status"] = "running"
 912         db_nsr["_admin.deployed.RO.detailed-status"] = "Deployed at VIM"
 913         db_nsr_update["_admin.deployed.RO.detailed-status"] = "Deployed at VIM"
 914         self.update_db_2("nsrs", nsr_id, db_nsr_update)
 915         # await self._on_update_n2vc_db("nsrs", {"_id": nsr_id}, "_admin.deployed", db_nsr_update)
 916
 917         step = "Deployed at VIM"
 918         self.logger.debug(logging_text + step)
 919
 920     async def wait_vm_up_insert_key_ro(self, logging_text, nsr_id, vnfr_id, vdu_id, vdu_index, pub_key=None, user=None):
 921         """
 922         Wait for ip addres at RO, and optionally, insert public key in virtual machine
 923         :param logging_text: prefix use for logging
 924         :param nsr_id:
 925         :param vnfr_id:
 926         :param vdu_id:
 927         :param vdu_index:
 928         :param pub_key: public ssh key to inject, None to skip
 929         :param user: user to apply the public ssh key
 930         :return: IP address
 931         """
 932
 933         # self.logger.debug(logging_text + "Starting wait_vm_up_insert_key_ro")
 934         ro_nsr_id = None
 935         ip_address = None
 936         nb_tries = 0
 937         target_vdu_id = None
 938         ro_retries = 0
 939
 940         while True:
 941
 942             ro_retries += 1
 943             if ro_retries >= 360:  # 1 hour
 944                 raise LcmException("Not found _admin.deployed.RO.nsr_id for nsr_id: {}".format(nsr_id))
 945
 946             await asyncio.sleep(10, loop=self.loop)
 947             # wait until NS is deployed at RO
 948             if not ro_nsr_id:
 949                 db_nsrs = self.db.get_one("nsrs", {"_id": nsr_id})
 950                 ro_nsr_id = deep_get(db_nsrs, ("_admin", "deployed", "RO", "nsr_id"))
 951             if not ro_nsr_id:
 952                 continue
 953
 954             # get ip address
 955             if not target_vdu_id:
 956                 db_vnfr = self.db.get_one("vnfrs", {"_id": vnfr_id})
 957
 958                 if not vdu_id:  # for the VNF case
 959                     ip_address = db_vnfr.get("ip-address")
 960                     if not ip_address:
 961                         continue
 962                     vdur = next((x for x in get_iterable(db_vnfr, "vdur") if x.get("ip-address") == ip_address), None)
 963                 else:  # VDU case
 964                     vdur = next((x for x in get_iterable(db_vnfr, "vdur")
 965                                  if x.get("vdu-id-ref") == vdu_id and x.get("count-index") == vdu_index), None)
 966
 967                 if not vdur:
 968                     raise LcmException("Not found vnfr_id={}, vdu_index={}, vdu_index={}".format(
 969                         vnfr_id, vdu_id, vdu_index
 970                     ))
 971
 972                 if vdur.get("status") == "ACTIVE":
 973                     ip_address = vdur.get("ip-address")
 974                     if not ip_address:
 975                         continue
 976                     target_vdu_id = vdur["vdu-id-ref"]
 977                 elif vdur.get("status") == "ERROR":
 978                     raise LcmException("Cannot inject ssh-key because target VM is in error state")
 979
 980             if not target_vdu_id:
 981                 continue
 982
 983             # self.logger.debug(logging_text + "IP address={}".format(ip_address))
 984
 985             # inject public key into machine
 986             if pub_key and user:
 987                 # self.logger.debug(logging_text + "Inserting RO key")
 988                 try:
 989                     ro_vm_id = "{}-{}".format(db_vnfr["member-vnf-index-ref"], target_vdu_id)  # TODO add vdu_index
 990                     result_dict = await self.RO.create_action(
 991                         item="ns",
 992                         item_id_name=ro_nsr_id,
 993                         descriptor={"add_public_key": pub_key, "vms": [ro_vm_id], "user": user}
 994                     )
 995                     # result_dict contains the format {VM-id: {vim_result: 200, description: text}}
 996                     if not result_dict or not isinstance(result_dict, dict):
 997                         raise LcmException("Unknown response from RO when injecting key")
 998                     for result in result_dict.values():
 999                         if result.get("vim_result") == 200:
1000                             break
1001                         else:
1002                             raise ROclient.ROClientException("error injecting key: {}".format(
1003                                 result.get("description")))
1004                     break
1005                 except ROclient.ROClientException as e:
1006                     if not nb_tries:
1007                         self.logger.debug(logging_text + "error injecting key: {}. Retrying until {} seconds".
1008                                           format(e, 20*10))
1009                     nb_tries += 1
1010                     if nb_tries >= 20:
1011                         raise LcmException("Reaching max tries injecting key. Error: {}".format(e))
1012             else:
1013                 break
1014
1015         return ip_address
1016
1017     async def _wait_dependent_n2vc(self, nsr_id, vca_deployed_list, vca_index):
1018         """
1019         Wait until dependent VCA deployments have been finished. NS wait for VNFs and VDUs. VNFs for VDUs
1020         """
1021         my_vca = vca_deployed_list[vca_index]
1022         if my_vca.get("vdu_id") or my_vca.get("kdu_name"):
1023             # vdu or kdu: no dependencies
1024             return
1025         timeout = 300
1026         while timeout >= 0:
1027             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
1028             vca_deployed_list = db_nsr["_admin"]["deployed"]["VCA"]
1029             configuration_status_list = db_nsr["configurationStatus"]
1030             for index, vca_deployed in enumerate(configuration_status_list):
1031                 if index == vca_index:
1032                     # myself
1033                     continue
1034                 if not my_vca.get("member-vnf-index") or \
1035                         (vca_deployed.get("member-vnf-index") == my_vca.get("member-vnf-index")):
1036                     internal_status = configuration_status_list[index].get("status")
1037                     if internal_status == 'READY':
1038                         continue
1039                     elif internal_status == 'BROKEN':
1040                         raise LcmException("Configuration aborted because dependent charm/s has failed")
1041                     else:
1042                         break
1043             else:
1044                 # no dependencies, return
1045                 return
1046             await asyncio.sleep(10)
1047             timeout -= 1
1048
1049         raise LcmException("Configuration aborted because dependent charm/s timeout")
1050
1051     async def instantiate_N2VC(self, logging_text, vca_index, nsi_id, db_nsr, db_vnfr, vdu_id, kdu_name,
1052                                vdu_index, config_descriptor, deploy_params, base_folder, nslcmop_id):
1053         nsr_id = db_nsr["_id"]
1054         db_update_entry = "_admin.deployed.VCA.{}.".format(vca_index)
1055         vca_deployed_list = db_nsr["_admin"]["deployed"]["VCA"]
1056         vca_deployed = db_nsr["_admin"]["deployed"]["VCA"][vca_index]
1057         db_dict = {
1058             'collection': 'nsrs',
1059             'filter': {'_id': nsr_id},
1060             'path': db_update_entry
1061         }
1062         step = ""
1063         try:
1064
1065             element_type = 'NS'
1066             element_under_configuration = nsr_id
1067
1068             vnfr_id = None
1069             if db_vnfr:
1070                 vnfr_id = db_vnfr["_id"]
1071
1072             namespace = "{nsi}.{ns}".format(
1073                 nsi=nsi_id if nsi_id else "",
1074                 ns=nsr_id)
1075
1076             if vnfr_id:
1077                 element_type = 'VNF'
1078                 element_under_configuration = vnfr_id
1079                 namespace += ".{}".format(vnfr_id)
1080                 if vdu_id:
1081                     namespace += ".{}-{}".format(vdu_id, vdu_index or 0)
1082                     element_type = 'VDU'
1083                     element_under_configuration = "{}-{}".format(vdu_id, vdu_index or 0)
1084
1085             # Get artifact path
1086             self.fs.sync()  # Sync from FSMongo
1087             artifact_path = "{}/{}/charms/{}".format(
1088                 base_folder["folder"],
1089                 base_folder["pkg-dir"],
1090                 config_descriptor["juju"]["charm"]
1091             )
1092
1093             is_proxy_charm = deep_get(config_descriptor, ('juju', 'charm')) is not None
1094             if deep_get(config_descriptor, ('juju', 'proxy')) is False:
1095                 is_proxy_charm = False
1096
1097             # n2vc_redesign STEP 3.1
1098
1099             # find old ee_id if exists
1100             ee_id = vca_deployed.get("ee_id")
1101
1102             # create or register execution environment in VCA
1103             if is_proxy_charm:
1104
1105                 await self._write_configuration_status(
1106                     nsr_id=nsr_id,
1107                     vca_index=vca_index,
1108                     status='CREATING',
1109                     element_under_configuration=element_under_configuration,
1110                     element_type=element_type
1111                 )
1112
1113                 step = "create execution environment"
1114                 self.logger.debug(logging_text + step)
1115                 ee_id, credentials = await self.n2vc.create_execution_environment(namespace=namespace,
1116                                                                                   reuse_ee_id=ee_id,
1117                                                                                   db_dict=db_dict)
1118
1119             else:
1120                 step = "Waiting to VM being up and getting IP address"
1121                 self.logger.debug(logging_text + step)
1122                 rw_mgmt_ip = await self.wait_vm_up_insert_key_ro(logging_text, nsr_id, vnfr_id, vdu_id, vdu_index,
1123                                                                  user=None, pub_key=None)
1124                 credentials = {"hostname": rw_mgmt_ip}
1125                 # get username
1126                 username = deep_get(config_descriptor, ("config-access", "ssh-access", "default-user"))
1127                 # TODO remove this when changes on IM regarding config-access:ssh-access:default-user were
1128                 #  merged. Meanwhile let's get username from initial-config-primitive
1129                 if not username and config_descriptor.get("initial-config-primitive"):
1130                     for config_primitive in config_descriptor["initial-config-primitive"]:
1131                         for param in config_primitive.get("parameter", ()):
1132                             if param["name"] == "ssh-username":
1133                                 username = param["value"]
1134                                 break
1135                 if not username:
1136                     raise LcmException("Cannot determine the username neither with 'initial-config-promitive' nor with "
1137                                        "'config-access.ssh-access.default-user'")
1138                 credentials["username"] = username
1139                 # n2vc_redesign STEP 3.2
1140
1141                 await self._write_configuration_status(
1142                     nsr_id=nsr_id,
1143                     vca_index=vca_index,
1144                     status='REGISTERING',
1145                     element_under_configuration=element_under_configuration,
1146                     element_type=element_type
1147                 )
1148
1149                 step = "register execution environment {}".format(credentials)
1150                 self.logger.debug(logging_text + step)
1151                 ee_id = await self.n2vc.register_execution_environment(credentials=credentials, namespace=namespace,
1152                                                                        db_dict=db_dict)
1153
1154             # for compatibility with MON/POL modules, the need model and application name at database
1155             # TODO ask to N2VC instead of assuming the format "model_name.application_name"
1156             ee_id_parts = ee_id.split('.')
1157             model_name = ee_id_parts[0]
1158             application_name = ee_id_parts[1]
1159             self.update_db_2("nsrs", nsr_id, {db_update_entry + "model": model_name,
1160                                               db_update_entry + "application": application_name,
1161                                               db_update_entry + "ee_id": ee_id})
1162
1163             # n2vc_redesign STEP 3.3
1164
1165             step = "Install configuration Software"
1166
1167             await self._write_configuration_status(
1168                 nsr_id=nsr_id,
1169                 vca_index=vca_index,
1170                 status='INSTALLING SW',
1171                 element_under_configuration=element_under_configuration,
1172                 element_type=element_type
1173             )
1174
1175             # TODO check if already done
1176             self.logger.debug(logging_text + step)
1177             await self.n2vc.install_configuration_sw(ee_id=ee_id, artifact_path=artifact_path, db_dict=db_dict)
1178
1179             # if SSH access is required, then get execution environment SSH public
1180             if is_proxy_charm:  # if native charm we have waited already to VM be UP
1181                 pub_key = None
1182                 user = None
1183                 if deep_get(config_descriptor, ("config-access", "ssh-access", "required")):
1184                     # Needed to inject a ssh key
1185                     user = deep_get(config_descriptor, ("config-access", "ssh-access", "default-user"))
1186                     step = "Install configuration Software, getting public ssh key"
1187                     pub_key = await self.n2vc.get_ee_ssh_public__key(ee_id=ee_id, db_dict=db_dict)
1188
1189                     step = "Insert public key into VM user={} ssh_key={}".format(user, pub_key)
1190                 else:
1191                     step = "Waiting to VM being up and getting IP address"
1192                 self.logger.debug(logging_text + step)
1193
1194                 # n2vc_redesign STEP 5.1
1195                 # wait for RO (ip-address) Insert pub_key into VM
1196                 if vnfr_id:
1197                     rw_mgmt_ip = await self.wait_vm_up_insert_key_ro(logging_text, nsr_id, vnfr_id, vdu_id, vdu_index,
1198                                                                      user=user, pub_key=pub_key)
1199                 else:
1200                     rw_mgmt_ip = None   # This is for a NS configuration
1201
1202                 self.logger.debug(logging_text + ' VM_ip_address={}'.format(rw_mgmt_ip))
1203
1204             # store rw_mgmt_ip in deploy params for later replacement
1205             deploy_params["rw_mgmt_ip"] = rw_mgmt_ip
1206
1207             # n2vc_redesign STEP 6  Execute initial config primitive
1208             step = 'execute initial config primitive'
1209             initial_config_primitive_list = config_descriptor.get('initial-config-primitive')
1210
1211             # sort initial config primitives by 'seq'
1212             try:
1213                 initial_config_primitive_list.sort(key=lambda val: int(val['seq']))
1214             except Exception as e:
1215                 self.logger.error(logging_text + step + ": " + str(e))
1216
1217             # add config if not present for NS charm
1218             initial_config_primitive_list = self._get_initial_config_primitive_list(initial_config_primitive_list,
1219                                                                                     vca_deployed)
1220
1221             # wait for dependent primitives execution (NS -> VNF -> VDU)
1222             if initial_config_primitive_list:
1223                 await self._wait_dependent_n2vc(nsr_id, vca_deployed_list, vca_index)
1224
1225             # stage, in function of element type: vdu, kdu, vnf or ns
1226             my_vca = vca_deployed_list[vca_index]
1227             if my_vca.get("vdu_id") or my_vca.get("kdu_name"):
1228                 # VDU or KDU
1229                 stage = 'Stage 3/5: running Day-1 primitives for VDU'
1230             elif my_vca.get("member-vnf-index"):
1231                 # VNF
1232                 stage = 'Stage 4/5: running Day-1 primitives for VNF'
1233             else:
1234                 # NS
1235                 stage = 'Stage 5/5: running Day-1 primitives for NS'
1236
1237             await self._write_configuration_status(
1238                 nsr_id=nsr_id,
1239                 vca_index=vca_index,
1240                 status='EXECUTING PRIMITIVE'
1241             )
1242
1243             self._write_op_status(
1244                 op_id=nslcmop_id,
1245                 stage=stage
1246             )
1247
1248             for initial_config_primitive in initial_config_primitive_list:
1249                 # adding information on the vca_deployed if it is a NS execution environment
1250                 if not vca_deployed["member-vnf-index"]:
1251                     deploy_params["ns_config_info"] = json.dumps(self._get_ns_config_info(nsr_id))
1252                 # TODO check if already done
1253                 primitive_params_ = self._map_primitive_params(initial_config_primitive, {}, deploy_params)
1254
1255                 step = "execute primitive '{}' params '{}'".format(initial_config_primitive["name"], primitive_params_)
1256                 self.logger.debug(logging_text + step)
1257                 await self.n2vc.exec_primitive(
1258                     ee_id=ee_id,
1259                     primitive_name=initial_config_primitive["name"],
1260                     params_dict=primitive_params_,
1261                     db_dict=db_dict
1262                 )
1263
1264                 # TODO register in database that primitive is done
1265
1266             step = "instantiated at VCA"
1267             self.logger.debug(logging_text + step)
1268
1269             await self._write_configuration_status(
1270                 nsr_id=nsr_id,
1271                 vca_index=vca_index,
1272                 status='READY'
1273             )
1274
1275         except Exception as e:  # TODO not use Exception but N2VC exception
1276             # self.update_db_2("nsrs", nsr_id, {db_update_entry + "instantiation": "FAILED"})
1277             await self._write_configuration_status(
1278                 nsr_id=nsr_id,
1279                 vca_index=vca_index,
1280                 status='BROKEN'
1281             )
1282             raise Exception("{} {}".format(step, e)) from e
1283             # TODO raise N2VC exception with 'step' extra information
1284
1285     def _write_ns_status(self, nsr_id: str, ns_state: str, current_operation: str, current_operation_id: str,
1286                          error_description: str = None):
1287         try:
1288             db_dict = dict()
1289             if ns_state:
1290                 db_dict["nsState"] = ns_state
1291             db_dict["currentOperation"] = current_operation
1292             db_dict["currentOperationID"] = current_operation_id
1293             db_dict["errorDescription"] = error_description
1294             self.update_db_2("nsrs", nsr_id, db_dict)
1295         except Exception as e:
1296             self.logger.warn('Error writing NS status, ns={}: {}'.format(nsr_id, e))
1297
1298     def _write_op_status(self, op_id: str, stage: str = None, error_message: str = None, queuePosition: int = 0):
1299         try:
1300             db_dict = dict()
1301             db_dict['queuePosition'] = queuePosition
1302             db_dict['stage'] = stage
1303             if error_message:
1304                 db_dict['errorMessage'] = error_message
1305             self.update_db_2("nslcmops", op_id, db_dict)
1306         except Exception as e:
1307             self.logger.warn('Error writing OPERATION status for op_id: {} -> {}'.format(op_id, e))
1308
1309     def _write_all_config_status(self, nsr_id: str, status: str):
1310         try:
1311             # nsrs record
1312             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
1313             # configurationStatus
1314             config_status = db_nsr.get('configurationStatus')
1315             if config_status:
1316                 # update status
1317                 db_dict = dict()
1318                 db_dict['configurationStatus'] = list()
1319                 for c in config_status:
1320                     c['status'] = status
1321                     db_dict['configurationStatus'].append(c)
1322                 self.update_db_2("nsrs", nsr_id, db_dict)
1323
1324         except Exception as e:
1325             self.logger.warn('Error writing all configuration status, ns={}: {}'.format(nsr_id, e))
1326
1327     async def _write_configuration_status(self, nsr_id: str, vca_index: int, status: str,
1328                                           element_under_configuration: str = None, element_type: str = None):
1329
1330         # self.logger.debug('_write_configuration_status(): vca_index={}, status={}'
1331         #                   .format(vca_index, status))
1332
1333         try:
1334             db_path = 'configurationStatus.{}.'.format(vca_index)
1335             db_dict = dict()
1336             db_dict[db_path + 'status'] = status
1337             if element_under_configuration:
1338                 db_dict[db_path + 'elementUnderConfiguration'] = element_under_configuration
1339             if element_type:
1340                 db_dict[db_path + 'elementType'] = element_type
1341             self.update_db_2("nsrs", nsr_id, db_dict)
1342         except Exception as e:
1343             self.logger.warn('Error writing configuration status={}, ns={}, vca_index={}: {}'
1344                              .format(status, nsr_id, vca_index, e))
1345
1346     async def instantiate(self, nsr_id, nslcmop_id):
1347         """
1348
1349         :param nsr_id: ns instance to deploy
1350         :param nslcmop_id: operation to run
1351         :return:
1352         """
1353
1354         # Try to lock HA task here
1355         task_is_locked_by_me = self.lcm_tasks.lock_HA('ns', 'nslcmops', nslcmop_id)
1356         if not task_is_locked_by_me:
1357             self.logger.debug('instantiate() task is not locked by me, ns={}'.format(nsr_id))
1358             return
1359
1360         logging_text = "Task ns={} instantiate={} ".format(nsr_id, nslcmop_id)
1361         self.logger.debug(logging_text + "Enter")
1362
1363         # get all needed from database
1364
1365         # database nsrs record
1366         db_nsr = None
1367
1368         # database nslcmops record
1369         db_nslcmop = None
1370
1371         # update operation on nsrs
1372         db_nsr_update = {"_admin.nslcmop": nslcmop_id,
1373                          "_admin.current-operation": nslcmop_id,
1374                          "_admin.operation-type": "instantiate"}
1375         self.update_db_2("nsrs", nsr_id, db_nsr_update)
1376
1377         # update operation on nslcmops
1378         db_nslcmop_update = {}
1379
1380         nslcmop_operation_state = None
1381         db_vnfrs = {}     # vnf's info indexed by member-index
1382         # n2vc_info = {}
1383         task_instantiation_list = []
1384         task_instantiation_info = {}  # from task to info text
1385         exc = None
1386         try:
1387             # wait for any previous tasks in process
1388             step = "Waiting for previous operations to terminate"
1389             await self.lcm_tasks.waitfor_related_HA('ns', 'nslcmops', nslcmop_id)
1390
1391             # STEP 0: Reading database (nslcmops, nsrs, nsds, vnfrs, vnfds)
1392
1393             # nsState="BUILDING", currentOperation="INSTANTIATING", currentOperationID=nslcmop_id
1394             self._write_ns_status(
1395                 nsr_id=nsr_id,
1396                 ns_state="BUILDING",
1397                 current_operation="INSTANTIATING",
1398                 current_operation_id=nslcmop_id
1399             )
1400
1401             # read from db: operation
1402             step = "Getting nslcmop={} from db".format(nslcmop_id)
1403             db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
1404             ns_params = db_nslcmop.get("operationParams")
1405             if ns_params and ns_params.get("timeout_ns_deploy"):
1406                 timeout_ns_deploy = ns_params["timeout_ns_deploy"]
1407             else:
1408                 timeout_ns_deploy = self.timeout.get("ns_deploy", self.timeout_ns_deploy)
1409
1410             # read from db: ns
1411             step = "Getting nsr={} from db".format(nsr_id)
1412             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
1413             # nsd is replicated into ns (no db read)
1414             nsd = db_nsr["nsd"]
1415             # nsr_name = db_nsr["name"]   # TODO short-name??
1416
1417             # read from db: vnf's of this ns
1418             step = "Getting vnfrs from db"
1419             self.logger.debug(logging_text + step)
1420             db_vnfrs_list = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id})
1421
1422             # read from db: vnfd's for every vnf
1423             db_vnfds_ref = {}     # every vnfd data indexed by vnf name
1424             db_vnfds = {}         # every vnfd data indexed by vnf id
1425             db_vnfds_index = {}   # every vnfd data indexed by vnf member-index
1426
1427             self._write_op_status(
1428                 op_id=nslcmop_id,
1429                 stage='Stage 1/5: preparation of the environment',
1430                 queuePosition=0
1431             )
1432
1433             # for each vnf in ns, read vnfd
1434             for vnfr in db_vnfrs_list:
1435                 db_vnfrs[vnfr["member-vnf-index-ref"]] = vnfr   # vnf's dict indexed by member-index: '1', '2', etc
1436                 vnfd_id = vnfr["vnfd-id"]                       # vnfd uuid for this vnf
1437                 vnfd_ref = vnfr["vnfd-ref"]                     # vnfd name for this vnf
1438                 # if we haven't this vnfd, read it from db
1439                 if vnfd_id not in db_vnfds:
1440                     # read from cb
1441                     step = "Getting vnfd={} id='{}' from db".format(vnfd_id, vnfd_ref)
1442                     self.logger.debug(logging_text + step)
1443                     vnfd = self.db.get_one("vnfds", {"_id": vnfd_id})
1444
1445                     # store vnfd
1446                     db_vnfds_ref[vnfd_ref] = vnfd     # vnfd's indexed by name
1447                     db_vnfds[vnfd_id] = vnfd          # vnfd's indexed by id
1448                 db_vnfds_index[vnfr["member-vnf-index-ref"]] = db_vnfds[vnfd_id]  # vnfd's indexed by member-index
1449
1450             # Get or generates the _admin.deployed.VCA list
1451             vca_deployed_list = None
1452             if db_nsr["_admin"].get("deployed"):
1453                 vca_deployed_list = db_nsr["_admin"]["deployed"].get("VCA")
1454             if vca_deployed_list is None:
1455                 vca_deployed_list = []
1456                 configuration_status_list = []
1457                 db_nsr_update["_admin.deployed.VCA"] = vca_deployed_list
1458                 db_nsr_update["configurationStatus"] = configuration_status_list
1459                 # add _admin.deployed.VCA to db_nsr dictionary, value=vca_deployed_list
1460                 populate_dict(db_nsr, ("_admin", "deployed", "VCA"), vca_deployed_list)
1461             elif isinstance(vca_deployed_list, dict):
1462                 # maintain backward compatibility. Change a dict to list at database
1463                 vca_deployed_list = list(vca_deployed_list.values())
1464                 db_nsr_update["_admin.deployed.VCA"] = vca_deployed_list
1465                 populate_dict(db_nsr, ("_admin", "deployed", "VCA"), vca_deployed_list)
1466
1467             db_nsr_update["detailed-status"] = "creating"
1468             db_nsr_update["operational-status"] = "init"
1469
1470             if not isinstance(deep_get(db_nsr, ("_admin", "deployed", "RO", "vnfd")), list):
1471                 populate_dict(db_nsr, ("_admin", "deployed", "RO", "vnfd"), [])
1472                 db_nsr_update["_admin.deployed.RO.vnfd"] = []
1473
1474             # set state to INSTANTIATED. When instantiated NBI will not delete directly
1475             db_nsr_update["_admin.nsState"] = "INSTANTIATED"
1476             self.update_db_2("nsrs", nsr_id, db_nsr_update)
1477
1478             # n2vc_redesign STEP 2 Deploy Network Scenario
1479
1480             self._write_op_status(
1481                 op_id=nslcmop_id,
1482                 stage='Stage 2/5: deployment of VMs and execution environments'
1483             )
1484
1485             self.logger.debug(logging_text + "Before deploy_kdus")
1486             # Call to deploy_kdus in case exists the "vdu:kdu" param
1487             task_kdu = asyncio.ensure_future(
1488                 self.deploy_kdus(
1489                     logging_text=logging_text,
1490                     nsr_id=nsr_id,
1491                     db_nsr=db_nsr,
1492                     db_vnfrs=db_vnfrs,
1493                 )
1494             )
1495             self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "instantiate_KDUs", task_kdu)
1496             task_instantiation_info[task_kdu] = "Deploy KDUs"
1497             task_instantiation_list.append(task_kdu)
1498             # n2vc_redesign STEP 1 Get VCA public ssh-key
1499             # feature 1429. Add n2vc public key to needed VMs
1500             n2vc_key = self.n2vc.get_public_key()
1501             n2vc_key_list = [n2vc_key]
1502             if self.vca_config.get("public_key"):
1503                 n2vc_key_list.append(self.vca_config["public_key"])
1504
1505             task_ro = asyncio.ensure_future(
1506                 self.instantiate_RO(
1507                     logging_text=logging_text,
1508                     nsr_id=nsr_id,
1509                     nsd=nsd,
1510                     db_nsr=db_nsr,
1511                     db_nslcmop=db_nslcmop,
1512                     db_vnfrs=db_vnfrs,
1513                     db_vnfds_ref=db_vnfds_ref,
1514                     n2vc_key_list=n2vc_key_list
1515                 )
1516             )
1517             self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "instantiate_RO", task_ro)
1518             task_instantiation_info[task_ro] = "Deploy at VIM"
1519             task_instantiation_list.append(task_ro)
1520
1521             # n2vc_redesign STEP 3 to 6 Deploy N2VC
1522             step = "Looking for needed vnfd to configure with proxy charm"
1523             self.logger.debug(logging_text + step)
1524
1525             nsi_id = None  # TODO put nsi_id when this nsr belongs to a NSI
1526             # get_iterable() returns a value from a dict or empty tuple if key does not exist
1527             for c_vnf in get_iterable(nsd, "constituent-vnfd"):
1528                 vnfd_id = c_vnf["vnfd-id-ref"]
1529                 vnfd = db_vnfds_ref[vnfd_id]
1530                 member_vnf_index = str(c_vnf["member-vnf-index"])
1531                 db_vnfr = db_vnfrs[member_vnf_index]
1532                 base_folder = vnfd["_admin"]["storage"]
1533                 vdu_id = None
1534                 vdu_index = 0
1535                 vdu_name = None
1536                 kdu_name = None
1537
1538                 # Get additional parameters
1539                 deploy_params = {}
1540                 if db_vnfr.get("additionalParamsForVnf"):
1541                     deploy_params = self._format_additional_params(db_vnfr["additionalParamsForVnf"].copy())
1542
1543                 descriptor_config = vnfd.get("vnf-configuration")
1544                 if descriptor_config and descriptor_config.get("juju"):
1545                     self._deploy_n2vc(
1546                         logging_text=logging_text + "member_vnf_index={} ".format(member_vnf_index),
1547                         db_nsr=db_nsr,
1548                         db_vnfr=db_vnfr,
1549                         nslcmop_id=nslcmop_id,
1550                         nsr_id=nsr_id,
1551                         nsi_id=nsi_id,
1552                         vnfd_id=vnfd_id,
1553                         vdu_id=vdu_id,
1554                         kdu_name=kdu_name,
1555                         member_vnf_index=member_vnf_index,
1556                         vdu_index=vdu_index,
1557                         vdu_name=vdu_name,
1558                         deploy_params=deploy_params,
1559                         descriptor_config=descriptor_config,
1560                         base_folder=base_folder,
1561                         task_instantiation_list=task_instantiation_list,
1562                         task_instantiation_info=task_instantiation_info
1563                     )
1564
1565                 # Deploy charms for each VDU that supports one.
1566                 for vdud in get_iterable(vnfd, 'vdu'):
1567                     vdu_id = vdud["id"]
1568                     descriptor_config = vdud.get('vdu-configuration')
1569                     vdur = next((x for x in db_vnfr["vdur"] if x["vdu-id-ref"] == vdu_id), None)
1570                     if vdur.get("additionalParams"):
1571                         deploy_params_vdu = self._format_additional_params(vdur["additionalParams"])
1572                     else:
1573                         deploy_params_vdu = deploy_params
1574                     if descriptor_config and descriptor_config.get("juju"):
1575                         # look for vdu index in the db_vnfr["vdu"] section
1576                         # for vdur_index, vdur in enumerate(db_vnfr["vdur"]):
1577                         #     if vdur["vdu-id-ref"] == vdu_id:
1578                         #         break
1579                         # else:
1580                         #     raise LcmException("Mismatch vdu_id={} not found in the vnfr['vdur'] list for "
1581                         #                        "member_vnf_index={}".format(vdu_id, member_vnf_index))
1582                         # vdu_name = vdur.get("name")
1583                         vdu_name = None
1584                         kdu_name = None
1585                         for vdu_index in range(int(vdud.get("count", 1))):
1586                             # TODO vnfr_params["rw_mgmt_ip"] = vdur["ip-address"]
1587                             self._deploy_n2vc(
1588                                 logging_text=logging_text + "member_vnf_index={}, vdu_id={}, vdu_index={} ".format(
1589                                     member_vnf_index, vdu_id, vdu_index),
1590                                 db_nsr=db_nsr,
1591                                 db_vnfr=db_vnfr,
1592                                 nslcmop_id=nslcmop_id,
1593                                 nsr_id=nsr_id,
1594                                 nsi_id=nsi_id,
1595                                 vnfd_id=vnfd_id,
1596                                 vdu_id=vdu_id,
1597                                 kdu_name=kdu_name,
1598                                 member_vnf_index=member_vnf_index,
1599                                 vdu_index=vdu_index,
1600                                 vdu_name=vdu_name,
1601                                 deploy_params=deploy_params_vdu,
1602                                 descriptor_config=descriptor_config,
1603                                 base_folder=base_folder,
1604                                 task_instantiation_list=task_instantiation_list,
1605                                 task_instantiation_info=task_instantiation_info
1606                             )
1607                 for kdud in get_iterable(vnfd, 'kdu'):
1608                     kdu_name = kdud["name"]
1609                     descriptor_config = kdud.get('kdu-configuration')
1610                     if descriptor_config and descriptor_config.get("juju"):
1611                         vdu_id = None
1612                         vdu_index = 0
1613                         vdu_name = None
1614                         # look for vdu index in the db_vnfr["vdu"] section
1615                         # for vdur_index, vdur in enumerate(db_vnfr["vdur"]):
1616                         #     if vdur["vdu-id-ref"] == vdu_id:
1617                         #         break
1618                         # else:
1619                         #     raise LcmException("Mismatch vdu_id={} not found in the vnfr['vdur'] list for "
1620                         #                        "member_vnf_index={}".format(vdu_id, member_vnf_index))
1621                         # vdu_name = vdur.get("name")
1622                         # vdu_name = None
1623
1624                         self._deploy_n2vc(
1625                             logging_text=logging_text,
1626                             db_nsr=db_nsr,
1627                             db_vnfr=db_vnfr,
1628                             nslcmop_id=nslcmop_id,
1629                             nsr_id=nsr_id,
1630                             nsi_id=nsi_id,
1631                             vnfd_id=vnfd_id,
1632                             vdu_id=vdu_id,
1633                             kdu_name=kdu_name,
1634                             member_vnf_index=member_vnf_index,
1635                             vdu_index=vdu_index,
1636                             vdu_name=vdu_name,
1637                             deploy_params=deploy_params,
1638                             descriptor_config=descriptor_config,
1639                             base_folder=base_folder,
1640                             task_instantiation_list=task_instantiation_list,
1641                             task_instantiation_info=task_instantiation_info
1642                         )
1643
1644             # Check if this NS has a charm configuration
1645             descriptor_config = nsd.get("ns-configuration")
1646             if descriptor_config and descriptor_config.get("juju"):
1647                 vnfd_id = None
1648                 db_vnfr = None
1649                 member_vnf_index = None
1650                 vdu_id = None
1651                 kdu_name = None
1652                 vdu_index = 0
1653                 vdu_name = None
1654
1655                 # Get additional parameters
1656                 deploy_params = {}
1657                 if db_nsr.get("additionalParamsForNs"):
1658                     deploy_params = self._format_additional_params(db_nsr["additionalParamsForNs"].copy())
1659                 base_folder = nsd["_admin"]["storage"]
1660                 self._deploy_n2vc(
1661                     logging_text=logging_text,
1662                     db_nsr=db_nsr,
1663                     db_vnfr=db_vnfr,
1664                     nslcmop_id=nslcmop_id,
1665                     nsr_id=nsr_id,
1666                     nsi_id=nsi_id,
1667                     vnfd_id=vnfd_id,
1668                     vdu_id=vdu_id,
1669                     kdu_name=kdu_name,
1670                     member_vnf_index=member_vnf_index,
1671                     vdu_index=vdu_index,
1672                     vdu_name=vdu_name,
1673                     deploy_params=deploy_params,
1674                     descriptor_config=descriptor_config,
1675                     base_folder=base_folder,
1676                     task_instantiation_list=task_instantiation_list,
1677                     task_instantiation_info=task_instantiation_info
1678                 )
1679
1680             # Wait until all tasks of "task_instantiation_list" have been finished
1681
1682             error_text_list = []
1683
1684             # let's begin with all OK
1685             instantiated_ok = True
1686             # let's begin with RO 'running' status (later we can change it)
1687             db_nsr_update["operational-status"] = "running"
1688             # let's begin with VCA 'configured' status (later we can change it)
1689             db_nsr_update["config-status"] = "configured"
1690
1691             if task_instantiation_list:
1692                 # wait for all tasks completion
1693                 done, pending = await asyncio.wait(task_instantiation_list, timeout=timeout_ns_deploy)
1694
1695                 for task in pending:
1696                     instantiated_ok = False
1697                     if task == task_ro:
1698                         # RO task is pending
1699                         db_nsr_update["operational-status"] = "failed"
1700                     elif task == task_kdu:
1701                         # KDU task is pending
1702                         db_nsr_update["operational-status"] = "failed"
1703                     else:
1704                         # A N2VC task is pending
1705                         db_nsr_update["config-status"] = "failed"
1706                     self.logger.error(logging_text + task_instantiation_info[task] + ": Timeout")
1707                     error_text_list.append(task_instantiation_info[task] + ": Timeout")
1708                 for task in done:
1709                     if task.cancelled():
1710                         instantiated_ok = False
1711                         if task == task_ro:
1712                             # RO task was cancelled
1713                             db_nsr_update["operational-status"] = "failed"
1714                         elif task == task_kdu:
1715                             # KDU task was cancelled
1716                             db_nsr_update["operational-status"] = "failed"
1717                         else:
1718                             # A N2VC was cancelled
1719                             db_nsr_update["config-status"] = "failed"
1720                         self.logger.warn(logging_text + task_instantiation_info[task] + ": Cancelled")
1721                         error_text_list.append(task_instantiation_info[task] + ": Cancelled")
1722                     else:
1723                         exc = task.exception()
1724                         if exc:
1725                             instantiated_ok = False
1726                             if task == task_ro:
1727                                 # RO task raised an exception
1728                                 db_nsr_update["operational-status"] = "failed"
1729                             elif task == task_kdu:
1730                                 # KDU task raised an exception
1731                                 db_nsr_update["operational-status"] = "failed"
1732                             else:
1733                                 # A N2VC task raised an exception
1734                                 db_nsr_update["config-status"] = "failed"
1735                             self.logger.error(logging_text + task_instantiation_info[task] + ": Failed")
1736
1737                             if isinstance(exc, (N2VCException, ROclient.ROClientException)):
1738                                 error_text_list.append(task_instantiation_info[task] + ": {}".format(exc))
1739                             else:
1740                                 exc_traceback = "".join(traceback.format_exception(None, exc, exc.__traceback__))
1741                                 self.logger.error(logging_text + task_instantiation_info[task] + exc_traceback)
1742                                 error_text_list.append(task_instantiation_info[task] + ": " + exc_traceback)
1743                         else:
1744                             self.logger.debug(logging_text + task_instantiation_info[task] + ": Done")
1745
1746             if error_text_list:
1747                 error_text = "\n".join(error_text_list)
1748                 db_nsr_update["detailed-status"] = error_text
1749                 db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED_TEMP"
1750                 db_nslcmop_update["detailed-status"] = error_text
1751                 db_nslcmop_update["statusEnteredTime"] = time()
1752             else:
1753                 # all is done
1754                 db_nslcmop_update["operationState"] = nslcmop_operation_state = "COMPLETED"
1755                 db_nslcmop_update["statusEnteredTime"] = time()
1756                 db_nslcmop_update["detailed-status"] = "done"
1757                 db_nsr_update["detailed-status"] = "done"
1758
1759         except (ROclient.ROClientException, DbException, LcmException) as e:
1760             self.logger.error(logging_text + "Exit Exception while '{}': {}".format(step, e))
1761             exc = e
1762         except asyncio.CancelledError:
1763             self.logger.error(logging_text + "Cancelled Exception while '{}'".format(step))
1764             exc = "Operation was cancelled"
1765         except Exception as e:
1766             exc = traceback.format_exc()
1767             self.logger.critical(logging_text + "Exit Exception {} while '{}': {}".format(type(e).__name__, step, e),
1768                                  exc_info=True)
1769         finally:
1770             if exc:
1771                 if db_nsr:
1772                     db_nsr_update["detailed-status"] = "ERROR {}: {}".format(step, exc)
1773                     db_nsr_update["operational-status"] = "failed"
1774                     db_nsr_update["config-status"] = "failed"
1775                 if db_nslcmop:
1776                     db_nslcmop_update["detailed-status"] = "FAILED {}: {}".format(step, exc)
1777                     db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED"
1778                     db_nslcmop_update["statusEnteredTime"] = time()
1779             try:
1780                 if db_nsr:
1781                     db_nsr_update["_admin.nslcmop"] = None
1782                     db_nsr_update["_admin.current-operation"] = None
1783                     db_nsr_update["_admin.operation-type"] = None
1784                     self.update_db_2("nsrs", nsr_id, db_nsr_update)
1785
1786                     # nsState="READY/BROKEN", currentOperation="IDLE", currentOperationID=None
1787                     ns_state = None
1788                     error_description = None
1789                     if instantiated_ok:
1790                         ns_state = "READY"
1791                     else:
1792                         ns_state = "BROKEN"
1793                         error_description = 'Operation: INSTANTIATING.{}, step: {}'.format(nslcmop_id, step)
1794
1795                     self._write_ns_status(
1796                         nsr_id=nsr_id,
1797                         ns_state=ns_state,
1798                         current_operation="IDLE",
1799                         current_operation_id=None,
1800                         error_description=error_description
1801                     )
1802
1803                     self._write_op_status(
1804                         op_id=nslcmop_id,
1805                         error_message=error_description
1806                     )
1807
1808                 if db_nslcmop_update:
1809                     self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
1810
1811                 self.logger.debug(logging_text + 'End of instantiation: {}'.format(instantiated_ok))
1812
1813             except DbException as e:
1814                 self.logger.error(logging_text + "Cannot update database: {}".format(e))
1815
1816             if nslcmop_operation_state:
1817                 try:
1818                     await self.msg.aiowrite("ns", "instantiated", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,
1819                                                                    "operationState": nslcmop_operation_state},
1820                                             loop=self.loop)
1821                 except Exception as e:
1822                     self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
1823
1824             self.logger.debug(logging_text + "Exit")
1825             self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_instantiate")
1826
1827     async def deploy_kdus(self, logging_text, nsr_id, db_nsr, db_vnfrs):
1828         # Launch kdus if present in the descriptor
1829
1830         deployed_ok = True
1831
1832         k8scluster_id_2_uuic = {"helm-chart": {}, "juju-bundle": {}}
1833
1834         def _get_cluster_id(cluster_id, cluster_type):
1835             nonlocal k8scluster_id_2_uuic
1836             if cluster_id in k8scluster_id_2_uuic[cluster_type]:
1837                 return k8scluster_id_2_uuic[cluster_type][cluster_id]
1838
1839             db_k8scluster = self.db.get_one("k8sclusters", {"_id": cluster_id}, fail_on_empty=False)
1840             if not db_k8scluster:
1841                 raise LcmException("K8s cluster {} cannot be found".format(cluster_id))
1842             k8s_id = deep_get(db_k8scluster, ("_admin", cluster_type, "id"))
1843             if not k8s_id:
1844                 raise LcmException("K8s cluster '{}' has not been initilized for '{}'".format(cluster_id, cluster_type))
1845             k8scluster_id_2_uuic[cluster_type][cluster_id] = k8s_id
1846             return k8s_id
1847
1848         logging_text += "Deploy kdus: "
1849         try:
1850             db_nsr_update = {"_admin.deployed.K8s": []}
1851             self.update_db_2("nsrs", nsr_id, db_nsr_update)
1852
1853             # Look for all vnfds
1854             pending_tasks = {}
1855             index = 0
1856             for vnfr_data in db_vnfrs.values():
1857                 for kdur in get_iterable(vnfr_data, "kdur"):
1858                     desc_params = self._format_additional_params(kdur.get("additionalParams"))
1859                     kdumodel = None
1860                     k8sclustertype = None
1861                     error_text = None
1862                     cluster_uuid = None
1863                     if kdur.get("helm-chart"):
1864                         kdumodel = kdur["helm-chart"]
1865                         k8sclustertype = "chart"
1866                         k8sclustertype_full = "helm-chart"
1867                     elif kdur.get("juju-bundle"):
1868                         kdumodel = kdur["juju-bundle"]
1869                         k8sclustertype = "juju"
1870                         k8sclustertype_full = "juju-bundle"
1871                     else:
1872                         error_text = "kdu type is neither helm-chart nor juju-bundle. Maybe an old NBI version is" \
1873                                      " running"
1874                     try:
1875                         if not error_text:
1876                             cluster_uuid = _get_cluster_id(kdur["k8s-cluster"]["id"], k8sclustertype_full)
1877                     except LcmException as e:
1878                         error_text = str(e)
1879                         deployed_ok = False
1880
1881                     step = "Instantiate KDU {} in k8s cluster {}".format(kdur["kdu-name"], cluster_uuid)
1882
1883                     k8s_instace_info = {"kdu-instance": None, "k8scluster-uuid": cluster_uuid,
1884                                         "k8scluster-type": k8sclustertype,
1885                                         "kdu-name": kdur["kdu-name"], "kdu-model": kdumodel}
1886                     if error_text:
1887                         k8s_instace_info["detailed-status"] = error_text
1888                     db_nsr_update["_admin.deployed.K8s.{}".format(index)] = k8s_instace_info
1889                     self.update_db_2("nsrs", nsr_id, db_nsr_update)
1890                     if error_text:
1891                         continue
1892
1893                     db_dict = {"collection": "nsrs", "filter": {"_id": nsr_id}, "path": "_admin.deployed.K8s."
1894                                                                                         "{}".format(index)}
1895                     if k8sclustertype == "chart":
1896                         task = asyncio.ensure_future(
1897                             self.k8sclusterhelm.install(cluster_uuid=cluster_uuid, kdu_model=kdumodel, atomic=True,
1898                                                         params=desc_params, db_dict=db_dict, timeout=3600)
1899                         )
1900                     else:
1901                         task = asyncio.ensure_future(
1902                             self.k8sclusterjuju.install(cluster_uuid=cluster_uuid, kdu_model=kdumodel,
1903                                                         atomic=True, params=desc_params,
1904                                                         db_dict=db_dict, timeout=600)
1905                         )
1906
1907                     pending_tasks[task] = "_admin.deployed.K8s.{}.".format(index)
1908                     index += 1
1909             if not pending_tasks:
1910                 return
1911             self.logger.debug(logging_text + 'Waiting for terminate pending tasks...')
1912             pending_list = list(pending_tasks.keys())
1913             while pending_list:
1914                 done_list, pending_list = await asyncio.wait(pending_list, timeout=30*60,
1915                                                              return_when=asyncio.FIRST_COMPLETED)
1916                 if not done_list:   # timeout
1917                     for task in pending_list:
1918                         db_nsr_update[pending_tasks(task) + "detailed-status"] = "Timeout"
1919                         deployed_ok = False
1920                     break
1921                 for task in done_list:
1922                     exc = task.exception()
1923                     if exc:
1924                         db_nsr_update[pending_tasks[task] + "detailed-status"] = "{}".format(exc)
1925                         deployed_ok = False
1926                     else:
1927                         db_nsr_update[pending_tasks[task] + "kdu-instance"] = task.result()
1928
1929             if not deployed_ok:
1930                 raise LcmException('Cannot deploy KDUs')
1931
1932         except Exception as e:
1933             self.logger.critical(logging_text + "Exit Exception {} while '{}': {}".format(type(e).__name__, step, e))
1934             raise LcmException("{} Exit Exception {} while '{}': {}".format(logging_text, type(e).__name__, step, e))
1935         finally:
1936             if db_nsr_update:
1937                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
1938
1939     def _deploy_n2vc(self, logging_text, db_nsr, db_vnfr, nslcmop_id, nsr_id, nsi_id, vnfd_id, vdu_id,
1940                      kdu_name, member_vnf_index, vdu_index, vdu_name, deploy_params, descriptor_config,
1941                      base_folder, task_instantiation_list, task_instantiation_info):
1942         # launch instantiate_N2VC in a asyncio task and register task object
1943         # Look where information of this charm is at database <nsrs>._admin.deployed.VCA
1944         # if not found, create one entry and update database
1945
1946         # fill db_nsr._admin.deployed.VCA.<index>
1947         vca_index = -1
1948         for vca_index, vca_deployed in enumerate(db_nsr["_admin"]["deployed"]["VCA"]):
1949             if not vca_deployed:
1950                 continue
1951             if vca_deployed.get("member-vnf-index") == member_vnf_index and \
1952                     vca_deployed.get("vdu_id") == vdu_id and \
1953                     vca_deployed.get("kdu_name") == kdu_name and \
1954                     vca_deployed.get("vdu_count_index", 0) == vdu_index:
1955                 break
1956         else:
1957             # not found, create one.
1958             vca_deployed = {
1959                 "member-vnf-index": member_vnf_index,
1960                 "vdu_id": vdu_id,
1961                 "kdu_name": kdu_name,
1962                 "vdu_count_index": vdu_index,
1963                 "operational-status": "init",  # TODO revise
1964                 "detailed-status": "",  # TODO revise
1965                 "step": "initial-deploy",   # TODO revise
1966                 "vnfd_id": vnfd_id,
1967                 "vdu_name": vdu_name,
1968             }
1969             vca_index += 1
1970
1971             # create VCA and configurationStatus in db
1972             db_dict = {
1973                 "_admin.deployed.VCA.{}".format(vca_index): vca_deployed,
1974                 "configurationStatus.{}".format(vca_index): dict()
1975             }
1976             self.update_db_2("nsrs", nsr_id, db_dict)
1977
1978             db_nsr["_admin"]["deployed"]["VCA"].append(vca_deployed)
1979
1980         # Launch task
1981         task_n2vc = asyncio.ensure_future(
1982             self.instantiate_N2VC(
1983                 logging_text=logging_text,
1984                 vca_index=vca_index,
1985                 nsi_id=nsi_id,
1986                 db_nsr=db_nsr,
1987                 db_vnfr=db_vnfr,
1988                 vdu_id=vdu_id,
1989                 kdu_name=kdu_name,
1990                 vdu_index=vdu_index,
1991                 deploy_params=deploy_params,
1992                 config_descriptor=descriptor_config,
1993                 base_folder=base_folder,
1994                 nslcmop_id=nslcmop_id
1995             )
1996         )
1997         self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "instantiate_N2VC-{}".format(vca_index), task_n2vc)
1998         task_instantiation_info[task_n2vc] = "Deploy VCA {}.{}".format(member_vnf_index or "", vdu_id or "")
1999         task_instantiation_list.append(task_n2vc)
2000
2001     # Check if this VNFD has a configured terminate action
2002     def _has_terminate_config_primitive(self, vnfd):
2003         vnf_config = vnfd.get("vnf-configuration")
2004         if vnf_config and vnf_config.get("terminate-config-primitive"):
2005             return True
2006         else:
2007             return False
2008
2009     @staticmethod
2010     def _get_terminate_config_primitive_seq_list(vnfd):
2011         """ Get a numerically sorted list of the sequences for this VNFD's terminate action """
2012         # No need to check for existing primitive twice, already done before
2013         vnf_config = vnfd.get("vnf-configuration")
2014         seq_list = vnf_config.get("terminate-config-primitive")
2015         # Get all 'seq' tags in seq_list, order sequences numerically, ascending.
2016         seq_list_sorted = sorted(seq_list, key=lambda x: int(x['seq']))
2017         return seq_list_sorted
2018
2019     @staticmethod
2020     def _create_nslcmop(nsr_id, operation, params):
2021         """
2022         Creates a ns-lcm-opp content to be stored at database.
2023         :param nsr_id: internal id of the instance
2024         :param operation: instantiate, terminate, scale, action, ...
2025         :param params: user parameters for the operation
2026         :return: dictionary following SOL005 format
2027         """
2028         # Raise exception if invalid arguments
2029         if not (nsr_id and operation and params):
2030             raise LcmException(
2031                 "Parameters 'nsr_id', 'operation' and 'params' needed to create primitive not provided")
2032         now = time()
2033         _id = str(uuid4())
2034         nslcmop = {
2035             "id": _id,
2036             "_id": _id,
2037             # COMPLETED,PARTIALLY_COMPLETED,FAILED_TEMP,FAILED,ROLLING_BACK,ROLLED_BACK
2038             "operationState": "PROCESSING",
2039             "statusEnteredTime": now,
2040             "nsInstanceId": nsr_id,
2041             "lcmOperationType": operation,
2042             "startTime": now,
2043             "isAutomaticInvocation": False,
2044             "operationParams": params,
2045             "isCancelPending": False,
2046             "links": {
2047                 "self": "/osm/nslcm/v1/ns_lcm_op_occs/" + _id,
2048                 "nsInstance": "/osm/nslcm/v1/ns_instances/" + nsr_id,
2049             }
2050         }
2051         return nslcmop
2052
2053     def _format_additional_params(self, params):
2054         params = params or {}
2055         for key, value in params.items():
2056             if str(value).startswith("!!yaml "):
2057                 params[key] = yaml.safe_load(value[7:])
2058         return params
2059
2060     def _get_terminate_primitive_params(self, seq, vnf_index):
2061         primitive = seq.get('name')
2062         primitive_params = {}
2063         params = {
2064             "member_vnf_index": vnf_index,
2065             "primitive": primitive,
2066             "primitive_params": primitive_params,
2067         }
2068         desc_params = {}
2069         return self._map_primitive_params(seq, params, desc_params)
2070
2071     # sub-operations
2072
2073     def _reintent_or_skip_suboperation(self, db_nslcmop, op_index):
2074         op = db_nslcmop.get('_admin', {}).get('operations', [])[op_index]
2075         if (op.get('operationState') == 'COMPLETED'):
2076             # b. Skip sub-operation
2077             # _ns_execute_primitive() or RO.create_action() will NOT be executed
2078             return self.SUBOPERATION_STATUS_SKIP
2079         else:
2080             # c. Reintent executing sub-operation
2081             # The sub-operation exists, and operationState != 'COMPLETED'
2082             # Update operationState = 'PROCESSING' to indicate a reintent.
2083             operationState = 'PROCESSING'
2084             detailed_status = 'In progress'
2085             self._update_suboperation_status(
2086                 db_nslcmop, op_index, operationState, detailed_status)
2087             # Return the sub-operation index
2088             # _ns_execute_primitive() or RO.create_action() will be called from scale()
2089             # with arguments extracted from the sub-operation
2090             return op_index
2091
2092     # Find a sub-operation where all keys in a matching dictionary must match
2093     # Returns the index of the matching sub-operation, or SUBOPERATION_STATUS_NOT_FOUND if no match
2094     def _find_suboperation(self, db_nslcmop, match):
2095         if (db_nslcmop and match):
2096             op_list = db_nslcmop.get('_admin', {}).get('operations', [])
2097             for i, op in enumerate(op_list):
2098                 if all(op.get(k) == match[k] for k in match):
2099                     return i
2100         return self.SUBOPERATION_STATUS_NOT_FOUND
2101
2102     # Update status for a sub-operation given its index
2103     def _update_suboperation_status(self, db_nslcmop, op_index, operationState, detailed_status):
2104         # Update DB for HA tasks
2105         q_filter = {'_id': db_nslcmop['_id']}
2106         update_dict = {'_admin.operations.{}.operationState'.format(op_index): operationState,
2107                        '_admin.operations.{}.detailed-status'.format(op_index): detailed_status}
2108         self.db.set_one("nslcmops",
2109                         q_filter=q_filter,
2110                         update_dict=update_dict,
2111                         fail_on_empty=False)
2112
2113     # Add sub-operation, return the index of the added sub-operation
2114     # Optionally, set operationState, detailed-status, and operationType
2115     # Status and type are currently set for 'scale' sub-operations:
2116     # 'operationState' : 'PROCESSING' | 'COMPLETED' | 'FAILED'
2117     # 'detailed-status' : status message
2118     # 'operationType': may be any type, in the case of scaling: 'PRE-SCALE' | 'POST-SCALE'
2119     # Status and operation type are currently only used for 'scale', but NOT for 'terminate' sub-operations.
2120     def _add_suboperation(self, db_nslcmop, vnf_index, vdu_id, vdu_count_index, vdu_name, primitive,
2121                           mapped_primitive_params, operationState=None, detailed_status=None, operationType=None,
2122                           RO_nsr_id=None, RO_scaling_info=None):
2123         if not (db_nslcmop):
2124             return self.SUBOPERATION_STATUS_NOT_FOUND
2125         # Get the "_admin.operations" list, if it exists
2126         db_nslcmop_admin = db_nslcmop.get('_admin', {})
2127         op_list = db_nslcmop_admin.get('operations')
2128         # Create or append to the "_admin.operations" list
2129         new_op = {'member_vnf_index': vnf_index,
2130                   'vdu_id': vdu_id,
2131                   'vdu_count_index': vdu_count_index,
2132                   'primitive': primitive,
2133                   'primitive_params': mapped_primitive_params}
2134         if operationState:
2135             new_op['operationState'] = operationState
2136         if detailed_status:
2137             new_op['detailed-status'] = detailed_status
2138         if operationType:
2139             new_op['lcmOperationType'] = operationType
2140         if RO_nsr_id:
2141             new_op['RO_nsr_id'] = RO_nsr_id
2142         if RO_scaling_info:
2143             new_op['RO_scaling_info'] = RO_scaling_info
2144         if not op_list:
2145             # No existing operations, create key 'operations' with current operation as first list element
2146             db_nslcmop_admin.update({'operations': [new_op]})
2147             op_list = db_nslcmop_admin.get('operations')
2148         else:
2149             # Existing operations, append operation to list
2150             op_list.append(new_op)
2151
2152         db_nslcmop_update = {'_admin.operations': op_list}
2153         self.update_db_2("nslcmops", db_nslcmop['_id'], db_nslcmop_update)
2154         op_index = len(op_list) - 1
2155         return op_index
2156
2157     # Helper methods for scale() sub-operations
2158
2159     # pre-scale/post-scale:
2160     # Check for 3 different cases:
2161     # a. New: First time execution, return SUBOPERATION_STATUS_NEW
2162     # b. Skip: Existing sub-operation exists, operationState == 'COMPLETED', return SUBOPERATION_STATUS_SKIP
2163     # c. Reintent: Existing sub-operation exists, operationState != 'COMPLETED', return op_index to re-execute
2164     def _check_or_add_scale_suboperation(self, db_nslcmop, vnf_index, vnf_config_primitive, primitive_params,
2165                                          operationType, RO_nsr_id=None, RO_scaling_info=None):
2166         # Find this sub-operation
2167         if (RO_nsr_id and RO_scaling_info):
2168             operationType = 'SCALE-RO'
2169             match = {
2170                 'member_vnf_index': vnf_index,
2171                 'RO_nsr_id': RO_nsr_id,
2172                 'RO_scaling_info': RO_scaling_info,
2173             }
2174         else:
2175             match = {
2176                 'member_vnf_index': vnf_index,
2177                 'primitive': vnf_config_primitive,
2178                 'primitive_params': primitive_params,
2179                 'lcmOperationType': operationType
2180             }
2181         op_index = self._find_suboperation(db_nslcmop, match)
2182         if (op_index == self.SUBOPERATION_STATUS_NOT_FOUND):
2183             # a. New sub-operation
2184             # The sub-operation does not exist, add it.
2185             # _ns_execute_primitive() will be called from scale() as usual, with non-modified arguments
2186             # The following parameters are set to None for all kind of scaling:
2187             vdu_id = None
2188             vdu_count_index = None
2189             vdu_name = None
2190             if (RO_nsr_id and RO_scaling_info):
2191                 vnf_config_primitive = None
2192                 primitive_params = None
2193             else:
2194                 RO_nsr_id = None
2195                 RO_scaling_info = None
2196             # Initial status for sub-operation
2197             operationState = 'PROCESSING'
2198             detailed_status = 'In progress'
2199             # Add sub-operation for pre/post-scaling (zero or more operations)
2200             self._add_suboperation(db_nslcmop,
2201                                    vnf_index,
2202                                    vdu_id,
2203                                    vdu_count_index,
2204                                    vdu_name,
2205                                    vnf_config_primitive,
2206                                    primitive_params,
2207                                    operationState,
2208                                    detailed_status,
2209                                    operationType,
2210                                    RO_nsr_id,
2211                                    RO_scaling_info)
2212             return self.SUBOPERATION_STATUS_NEW
2213         else:
2214             # Return either SUBOPERATION_STATUS_SKIP (operationState == 'COMPLETED'),
2215             # or op_index (operationState != 'COMPLETED')
2216             return self._reintent_or_skip_suboperation(db_nslcmop, op_index)
2217
2218     # Function to return execution_environment id
2219
2220     def _get_ee_id(self, vnf_index, vdu_id, vca_deployed_list):
2221         for vca in vca_deployed_list:
2222             if vca["member-vnf-index"] == vnf_index and vca["vdu_id"] == vdu_id:
2223                 return vca["ee_id"]
2224
2225     # Helper methods for terminate()
2226
2227     async def _terminate_action(self, db_nslcmop, nslcmop_id, nsr_id):
2228         """ Create a primitive with params from VNFD
2229             Called from terminate() before deleting instance
2230             Calls action() to execute the primitive """
2231         logging_text = "Task ns={} _terminate_action={} ".format(nsr_id, nslcmop_id)
2232         db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
2233         vca_deployed_list = db_nsr["_admin"]["deployed"]["VCA"]
2234         db_vnfrs_list = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id})
2235         db_vnfds = {}
2236         # Loop over VNFRs
2237         for vnfr in db_vnfrs_list:
2238             vnfd_id = vnfr["vnfd-id"]
2239             vnf_index = vnfr["member-vnf-index-ref"]
2240             if vnfd_id not in db_vnfds:
2241                 step = "Getting vnfd={} id='{}' from db".format(vnfd_id, vnfd_id)
2242                 vnfd = self.db.get_one("vnfds", {"_id": vnfd_id})
2243                 db_vnfds[vnfd_id] = vnfd
2244             vnfd = db_vnfds[vnfd_id]
2245             if not self._has_terminate_config_primitive(vnfd):
2246                 continue
2247             # Get the primitive's sorted sequence list
2248             seq_list = self._get_terminate_config_primitive_seq_list(vnfd)
2249             for seq in seq_list:
2250                 # For each sequence in list, get primitive and call _ns_execute_primitive()
2251                 step = "Calling terminate action for vnf_member_index={} primitive={}".format(
2252                     vnf_index, seq.get("name"))
2253                 self.logger.debug(logging_text + step)
2254                 # Create the primitive for each sequence, i.e. "primitive": "touch"
2255                 primitive = seq.get('name')
2256                 mapped_primitive_params = self._get_terminate_primitive_params(seq, vnf_index)
2257                 # The following 3 parameters are currently set to None for 'terminate':
2258                 # vdu_id, vdu_count_index, vdu_name
2259                 vdu_id = db_nslcmop["operationParams"].get("vdu_id")
2260                 vdu_count_index = db_nslcmop["operationParams"].get("vdu_count_index")
2261                 vdu_name = db_nslcmop["operationParams"].get("vdu_name")
2262                 # Add sub-operation
2263                 self._add_suboperation(db_nslcmop,
2264                                        nslcmop_id,
2265                                        vnf_index,
2266                                        vdu_id,
2267                                        vdu_count_index,
2268                                        vdu_name,
2269                                        primitive,
2270                                        mapped_primitive_params)
2271                 # Sub-operations: Call _ns_execute_primitive() instead of action()
2272                 # db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
2273                 # nsr_deployed = db_nsr["_admin"]["deployed"]
2274
2275                 # nslcmop_operation_state, nslcmop_operation_state_detail = await self.action(
2276                 #    nsr_id, nslcmop_terminate_action_id)
2277                 # Launch Exception if action() returns other than ['COMPLETED', 'PARTIALLY_COMPLETED']
2278                 # result_ok = ['COMPLETED', 'PARTIALLY_COMPLETED']
2279                 # if result not in result_ok:
2280                 #     raise LcmException(
2281                 #         "terminate_primitive_action for vnf_member_index={}",
2282                 #         " primitive={} fails with error {}".format(
2283                 #             vnf_index, seq.get("name"), result_detail))
2284
2285                 ee_id = self._get_ee_id(vnf_index, vdu_id, vca_deployed_list)
2286                 try:
2287                     await self.n2vc.exec_primitive(
2288                         ee_id=ee_id,
2289                         primitive_name=primitive,
2290                         params_dict=mapped_primitive_params
2291                     )
2292                 except Exception as e:
2293                     self.logger.error('Error executing primitive {}: {}'.format(primitive, e))
2294                     raise LcmException(
2295                         "terminate_primitive_action for vnf_member_index={}, primitive={} fails with error {}"
2296                         .format(vnf_index, seq.get("name"), e),
2297                     )
2298
2299     async def _delete_N2VC(self, nsr_id: str):
2300         self._write_all_config_status(nsr_id=nsr_id, status='TERMINATING')
2301         namespace = "." + nsr_id
2302         await self.n2vc.delete_namespace(namespace=namespace)
2303         self._write_all_config_status(nsr_id=nsr_id, status='DELETED')
2304
2305     async def terminate(self, nsr_id, nslcmop_id):
2306
2307         # Try to lock HA task here
2308         task_is_locked_by_me = self.lcm_tasks.lock_HA('ns', 'nslcmops', nslcmop_id)
2309         if not task_is_locked_by_me:
2310             return
2311
2312         logging_text = "Task ns={} terminate={} ".format(nsr_id, nslcmop_id)
2313         self.logger.debug(logging_text + "Enter")
2314         db_nsr = None
2315         db_nslcmop = None
2316         exc = None
2317         failed_detail = []   # annotates all failed error messages
2318         db_nsr_update = {"_admin.nslcmop": nslcmop_id,
2319                          "_admin.current-operation": nslcmop_id,
2320                          "_admin.operation-type": "terminate"}
2321         self.update_db_2("nsrs", nsr_id, db_nsr_update)
2322         db_nslcmop_update = {}
2323         nslcmop_operation_state = None
2324         autoremove = False  # autoremove after terminated
2325         pending_tasks = []
2326         try:
2327             # wait for any previous tasks in process
2328             step = "Waiting for previous operations to terminate"
2329             await self.lcm_tasks.waitfor_related_HA("ns", 'nslcmops', nslcmop_id)
2330
2331             self._write_ns_status(
2332                 nsr_id=nsr_id,
2333                 ns_state="TERMINATING",
2334                 current_operation="TERMINATING",
2335                 current_operation_id=nslcmop_id
2336             )
2337             self._write_op_status(
2338                 op_id=nslcmop_id,
2339                 queuePosition=0
2340             )
2341
2342             step = "Getting nslcmop={} from db".format(nslcmop_id)
2343             db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
2344             step = "Getting nsr={} from db".format(nsr_id)
2345             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
2346             # nsd = db_nsr["nsd"]
2347             nsr_deployed = deepcopy(db_nsr["_admin"].get("deployed"))
2348             if db_nsr["_admin"]["nsState"] == "NOT_INSTANTIATED":
2349                 return
2350             # #TODO check if VIM is creating and wait
2351             # RO_vim_id = db_vim["_admin"]["deployed"]["RO"]
2352             # Call internal terminate action
2353             await self._terminate_action(db_nslcmop, nslcmop_id, nsr_id)
2354
2355             pending_tasks = []
2356
2357             db_nsr_update["operational-status"] = "terminating"
2358             db_nsr_update["config-status"] = "terminating"
2359
2360             # remove NS
2361             try:
2362                 step = "delete execution environment"
2363                 self.logger.debug(logging_text + step)
2364
2365                 task_delete_ee = asyncio.ensure_future(self._delete_N2VC(nsr_id=nsr_id))
2366                 # task_delete_ee = asyncio.ensure_future(self.n2vc.delete_namespace(namespace="." + nsr_id))
2367
2368                 pending_tasks.append(task_delete_ee)
2369             except Exception as e:
2370                 msg = "Failed while deleting ns={} in VCA: {}".format(nsr_id, e)
2371                 self.logger.error(msg)
2372                 failed_detail.append(msg)
2373
2374             try:
2375                 # Delete from k8scluster
2376                 step = "delete kdus"
2377                 self.logger.debug(logging_text + step)
2378                 # print(nsr_deployed)
2379                 if nsr_deployed:
2380                     for kdu in nsr_deployed.get("K8s", ()):
2381                         kdu_instance = kdu.get("kdu-instance")
2382                         if not kdu_instance:
2383                             continue
2384                         if kdu.get("k8scluster-type") == "chart":
2385                             task_delete_kdu_instance = asyncio.ensure_future(
2386                                 self.k8sclusterhelm.uninstall(cluster_uuid=kdu.get("k8scluster-uuid"),
2387                                                               kdu_instance=kdu_instance))
2388                         elif kdu.get("k8scluster-type") == "juju":
2389                             task_delete_kdu_instance = asyncio.ensure_future(
2390                                 self.k8sclusterjuju.uninstall(cluster_uuid=kdu.get("k8scluster-uuid"),
2391                                                               kdu_instance=kdu_instance))
2392                         else:
2393                             self.error(logging_text + "Unknown k8s deployment type {}".
2394                                        format(kdu.get("k8scluster-type")))
2395                             continue
2396                         pending_tasks.append(task_delete_kdu_instance)
2397             except LcmException as e:
2398                 msg = "Failed while deleting KDUs from ns={}: {}".format(nsr_id, e)
2399                 self.logger.error(msg)
2400                 failed_detail.append(msg)
2401
2402             # remove from RO
2403             RO_fail = False
2404
2405             # Delete ns
2406             RO_nsr_id = RO_delete_action = None
2407             if nsr_deployed and nsr_deployed.get("RO"):
2408                 RO_nsr_id = nsr_deployed["RO"].get("nsr_id")
2409                 RO_delete_action = nsr_deployed["RO"].get("nsr_delete_action_id")
2410             try:
2411                 if RO_nsr_id:
2412                     step = db_nsr_update["detailed-status"] = db_nslcmop_update["detailed-status"] = \
2413                         "Deleting ns from VIM"
2414                     self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
2415                     self.update_db_2("nsrs", nsr_id, db_nsr_update)
2416                     self.logger.debug(logging_text + step)
2417                     desc = await self.RO.delete("ns", RO_nsr_id)
2418                     RO_delete_action = desc["action_id"]
2419                     db_nsr_update["_admin.deployed.RO.nsr_delete_action_id"] = RO_delete_action
2420                     db_nsr_update["_admin.deployed.RO.nsr_id"] = None
2421                     db_nsr_update["_admin.deployed.RO.nsr_status"] = "DELETED"
2422                 if RO_delete_action:
2423                     # wait until NS is deleted from VIM
2424                     step = detailed_status = "Waiting ns deleted from VIM. RO_id={} RO_delete_action={}".\
2425                         format(RO_nsr_id, RO_delete_action)
2426                     detailed_status_old = None
2427                     self.logger.debug(logging_text + step)
2428
2429                     delete_timeout = 20 * 60   # 20 minutes
2430                     while delete_timeout > 0:
2431                         desc = await self.RO.show(
2432                             "ns",
2433                             item_id_name=RO_nsr_id,
2434                             extra_item="action",
2435                             extra_item_id=RO_delete_action)
2436
2437                         # deploymentStatus
2438                         self._on_update_ro_db(nsrs_id=nsr_id, ro_descriptor=desc)
2439
2440                         ns_status, ns_status_info = self.RO.check_action_status(desc)
2441                         if ns_status == "ERROR":
2442                             raise ROclient.ROClientException(ns_status_info)
2443                         elif ns_status == "BUILD":
2444                             detailed_status = step + "; {}".format(ns_status_info)
2445                         elif ns_status == "ACTIVE":
2446                             db_nsr_update["_admin.deployed.RO.nsr_delete_action_id"] = None
2447                             db_nsr_update["_admin.deployed.RO.nsr_status"] = "DELETED"
2448                             break
2449                         else:
2450                             assert False, "ROclient.check_action_status returns unknown {}".format(ns_status)
2451                         if detailed_status != detailed_status_old:
2452                             detailed_status_old = db_nslcmop_update["detailed-status"] = \
2453                                 db_nsr_update["detailed-status"] = detailed_status
2454                             self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
2455                             self.update_db_2("nsrs", nsr_id, db_nsr_update)
2456                         await asyncio.sleep(5, loop=self.loop)
2457                         delete_timeout -= 5
2458                     else:  # delete_timeout <= 0:
2459                         raise ROclient.ROClientException("Timeout waiting ns deleted from VIM")
2460
2461             except ROclient.ROClientException as e:
2462                 if e.http_code == 404:  # not found
2463                     db_nsr_update["_admin.deployed.RO.nsr_id"] = None
2464                     db_nsr_update["_admin.deployed.RO.nsr_status"] = "DELETED"
2465                     db_nsr_update["_admin.deployed.RO.nsr_delete_action_id"] = None
2466                     self.logger.debug(logging_text + "RO_ns_id={} already deleted".format(RO_nsr_id))
2467                 elif e.http_code == 409:   # conflict
2468                     failed_detail.append("RO_ns_id={} delete conflict: {}".format(RO_nsr_id, e))
2469                     self.logger.debug(logging_text + failed_detail[-1])
2470                     RO_fail = True
2471                 else:
2472                     failed_detail.append("RO_ns_id={} delete error: {}".format(RO_nsr_id, e))
2473                     self.logger.error(logging_text + failed_detail[-1])
2474                     RO_fail = True
2475
2476             # Delete nsd
2477             if not RO_fail and nsr_deployed and nsr_deployed.get("RO") and nsr_deployed["RO"].get("nsd_id"):
2478                 RO_nsd_id = nsr_deployed["RO"]["nsd_id"]
2479                 try:
2480                     step = db_nsr_update["detailed-status"] = db_nslcmop_update["detailed-status"] =\
2481                         "Deleting nsd from RO"
2482                     await self.RO.delete("nsd", RO_nsd_id)
2483                     self.logger.debug(logging_text + "RO_nsd_id={} deleted".format(RO_nsd_id))
2484                     db_nsr_update["_admin.deployed.RO.nsd_id"] = None
2485                 except ROclient.ROClientException as e:
2486                     if e.http_code == 404:  # not found
2487                         db_nsr_update["_admin.deployed.RO.nsd_id"] = None
2488                         self.logger.debug(logging_text + "RO_nsd_id={} already deleted".format(RO_nsd_id))
2489                     elif e.http_code == 409:   # conflict
2490                         failed_detail.append("RO_nsd_id={} delete conflict: {}".format(RO_nsd_id, e))
2491                         self.logger.debug(logging_text + failed_detail[-1])
2492                         RO_fail = True
2493                     else:
2494                         failed_detail.append("RO_nsd_id={} delete error: {}".format(RO_nsd_id, e))
2495                         self.logger.error(logging_text + failed_detail[-1])
2496                         RO_fail = True
2497
2498             if not RO_fail and nsr_deployed and nsr_deployed.get("RO") and nsr_deployed["RO"].get("vnfd"):
2499                 for index, vnf_deployed in enumerate(nsr_deployed["RO"]["vnfd"]):
2500                     if not vnf_deployed or not vnf_deployed["id"]:
2501                         continue
2502                     try:
2503                         RO_vnfd_id = vnf_deployed["id"]
2504                         step = db_nsr_update["detailed-status"] = db_nslcmop_update["detailed-status"] =\
2505                             "Deleting member_vnf_index={} RO_vnfd_id={} from RO".format(
2506                                 vnf_deployed["member-vnf-index"], RO_vnfd_id)
2507                         await self.RO.delete("vnfd", RO_vnfd_id)
2508                         self.logger.debug(logging_text + "RO_vnfd_id={} deleted".format(RO_vnfd_id))
2509                         db_nsr_update["_admin.deployed.RO.vnfd.{}.id".format(index)] = None
2510                     except ROclient.ROClientException as e:
2511                         if e.http_code == 404:  # not found
2512                             db_nsr_update["_admin.deployed.RO.vnfd.{}.id".format(index)] = None
2513                             self.logger.debug(logging_text + "RO_vnfd_id={} already deleted ".format(RO_vnfd_id))
2514                         elif e.http_code == 409:   # conflict
2515                             failed_detail.append("RO_vnfd_id={} delete conflict: {}".format(RO_vnfd_id, e))
2516                             self.logger.debug(logging_text + failed_detail[-1])
2517                         else:
2518                             failed_detail.append("RO_vnfd_id={} delete error: {}".format(RO_vnfd_id, e))
2519                             self.logger.error(logging_text + failed_detail[-1])
2520
2521             if failed_detail:
2522                 terminate_ok = False
2523                 self.logger.error(logging_text + " ;".join(failed_detail))
2524                 db_nsr_update["operational-status"] = "failed"
2525                 db_nsr_update["detailed-status"] = "Deletion errors " + "; ".join(failed_detail)
2526                 db_nslcmop_update["detailed-status"] = "; ".join(failed_detail)
2527                 db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED"
2528                 db_nslcmop_update["statusEnteredTime"] = time()
2529             else:
2530                 terminate_ok = True
2531                 db_nsr_update["operational-status"] = "terminated"
2532                 db_nsr_update["detailed-status"] = "Done"
2533                 db_nsr_update["_admin.nsState"] = "NOT_INSTANTIATED"
2534                 db_nslcmop_update["detailed-status"] = "Done"
2535                 db_nslcmop_update["operationState"] = nslcmop_operation_state = "COMPLETED"
2536                 db_nslcmop_update["statusEnteredTime"] = time()
2537                 if db_nslcmop["operationParams"].get("autoremove"):
2538                     autoremove = True
2539
2540         except (ROclient.ROClientException, DbException, LcmException) as e:
2541             self.logger.error(logging_text + "Exit Exception {}".format(e))
2542             exc = e
2543         except asyncio.CancelledError:
2544             self.logger.error(logging_text + "Cancelled Exception while '{}'".format(step))
2545             exc = "Operation was cancelled"
2546         except Exception as e:
2547             exc = traceback.format_exc()
2548             self.logger.critical(logging_text + "Exit Exception {}".format(e), exc_info=True)
2549         finally:
2550             if exc and db_nslcmop:
2551                 db_nslcmop_update["detailed-status"] = "FAILED {}: {}".format(step, exc)
2552                 db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED"
2553                 db_nslcmop_update["statusEnteredTime"] = time()
2554             try:
2555                 if db_nslcmop and db_nslcmop_update:
2556                     self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
2557                 if db_nsr:
2558                     db_nsr_update["_admin.nslcmop"] = None
2559                     db_nsr_update["_admin.current-operation"] = None
2560                     db_nsr_update["_admin.operation-type"] = None
2561                     self.update_db_2("nsrs", nsr_id, db_nsr_update)
2562
2563                     if terminate_ok:
2564                         ns_state = "IDLE"
2565                         error_description = None
2566                         error_detail = None
2567                     else:
2568                         ns_state = "BROKEN"
2569                         error_detail = "; ".join(failed_detail)
2570                         error_description = 'Operation: TERMINATING.{}, step: {}. Detail: {}'\
2571                             .format(nslcmop_id, step, error_detail)
2572
2573                     self._write_ns_status(
2574                         nsr_id=nsr_id,
2575                         ns_state=ns_state,
2576                         current_operation="IDLE",
2577                         current_operation_id=None,
2578                         error_description=error_description
2579                     )
2580
2581                     self._write_op_status(
2582                         op_id=nslcmop_id,
2583                         error_message=error_description
2584                     )
2585
2586             except DbException as e:
2587                 self.logger.error(logging_text + "Cannot update database: {}".format(e))
2588             if nslcmop_operation_state:
2589                 try:
2590                     await self.msg.aiowrite("ns", "terminated", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,
2591                                                                  "operationState": nslcmop_operation_state,
2592                                                                  "autoremove": autoremove},
2593                                             loop=self.loop)
2594                 except Exception as e:
2595                     self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
2596
2597             # wait for pending tasks
2598             done = None
2599             pending = None
2600             if pending_tasks:
2601                 self.logger.debug(logging_text + 'Waiting for terminate pending tasks...')
2602                 done, pending = await asyncio.wait(pending_tasks, timeout=3600)
2603                 if not pending:
2604                     self.logger.debug(logging_text + 'All tasks finished...')
2605                 else:
2606                     self.logger.info(logging_text + 'There are pending tasks: {}'.format(pending))
2607
2608             self.logger.debug(logging_text + "Exit")
2609             self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_terminate")
2610
2611     @staticmethod
2612     def _map_primitive_params(primitive_desc, params, instantiation_params):
2613         """
2614         Generates the params to be provided to charm before executing primitive. If user does not provide a parameter,
2615         The default-value is used. If it is between < > it look for a value at instantiation_params
2616         :param primitive_desc: portion of VNFD/NSD that describes primitive
2617         :param params: Params provided by user
2618         :param instantiation_params: Instantiation params provided by user
2619         :return: a dictionary with the calculated params
2620         """
2621         calculated_params = {}
2622         for parameter in primitive_desc.get("parameter", ()):
2623             param_name = parameter["name"]
2624             if param_name in params:
2625                 calculated_params[param_name] = params[param_name]
2626             elif "default-value" in parameter or "value" in parameter:
2627                 if "value" in parameter:
2628                     calculated_params[param_name] = parameter["value"]
2629                 else:
2630                     calculated_params[param_name] = parameter["default-value"]
2631                 if isinstance(calculated_params[param_name], str) and calculated_params[param_name].startswith("<") \
2632                         and calculated_params[param_name].endswith(">"):
2633                     if calculated_params[param_name][1:-1] in instantiation_params:
2634                         calculated_params[param_name] = instantiation_params[calculated_params[param_name][1:-1]]
2635                     else:
2636                         raise LcmException("Parameter {} needed to execute primitive {} not provided".
2637                                            format(calculated_params[param_name], primitive_desc["name"]))
2638             else:
2639                 raise LcmException("Parameter {} needed to execute primitive {} not provided".
2640                                    format(param_name, primitive_desc["name"]))
2641
2642             if isinstance(calculated_params[param_name], (dict, list, tuple)):
2643                 calculated_params[param_name] = yaml.safe_dump(calculated_params[param_name], default_flow_style=True,
2644                                                                width=256)
2645             elif isinstance(calculated_params[param_name], str) and calculated_params[param_name].startswith("!!yaml "):
2646                 calculated_params[param_name] = calculated_params[param_name][7:]
2647
2648         # add always ns_config_info if primitive name is config
2649         if primitive_desc["name"] == "config":
2650             if "ns_config_info" in instantiation_params:
2651                 calculated_params["ns_config_info"] = instantiation_params["ns_config_info"]
2652         return calculated_params
2653
2654     async def _ns_execute_primitive(self, db_deployed, member_vnf_index, vdu_id, vdu_name, vdu_count_index,
2655                                     primitive, primitive_params, retries=0, retries_interval=30) -> (str, str):
2656
2657         # find vca_deployed record for this action
2658         try:
2659             for vca_deployed in db_deployed["VCA"]:
2660                 if not vca_deployed:
2661                     continue
2662                 if member_vnf_index != vca_deployed["member-vnf-index"] or vdu_id != vca_deployed["vdu_id"]:
2663                     continue
2664                 if vdu_name and vdu_name != vca_deployed["vdu_name"]:
2665                     continue
2666                 if vdu_count_index and vdu_count_index != vca_deployed["vdu_count_index"]:
2667                     continue
2668                 break
2669             else:
2670                 # vca_deployed not found
2671                 raise LcmException("charm for member_vnf_index={} vdu_id={} vdu_name={} vdu_count_index={} is not "
2672                                    "deployed".format(member_vnf_index, vdu_id, vdu_name, vdu_count_index))
2673
2674             # get ee_id
2675             ee_id = vca_deployed.get("ee_id")
2676             if not ee_id:
2677                 raise LcmException("charm for member_vnf_index={} vdu_id={} vdu_name={} vdu_count_index={} has not "
2678                                    "execution environment"
2679                                    .format(member_vnf_index, vdu_id, vdu_name, vdu_count_index))
2680
2681             if primitive == "config":
2682                 primitive_params = {"params": primitive_params}
2683
2684             while retries >= 0:
2685                 try:
2686                     output = await self.n2vc.exec_primitive(
2687                         ee_id=ee_id,
2688                         primitive_name=primitive,
2689                         params_dict=primitive_params
2690                     )
2691                     # execution was OK
2692                     break
2693                 except Exception as e:
2694                     retries -= 1
2695                     if retries >= 0:
2696                         self.logger.debug('Error executing action {} on {} -> {}'.format(primitive, ee_id, e))
2697                         # wait and retry
2698                         await asyncio.sleep(retries_interval, loop=self.loop)
2699                     else:
2700                         return 'Cannot execute action {} on {}: {}'.format(primitive, ee_id, e), 'FAIL'
2701
2702             return output, 'OK'
2703
2704         except Exception as e:
2705             return 'Error executing action {}: {}'.format(primitive, e), 'FAIL'
2706
2707     async def action(self, nsr_id, nslcmop_id):
2708
2709         # Try to lock HA task here
2710         task_is_locked_by_me = self.lcm_tasks.lock_HA('ns', 'nslcmops', nslcmop_id)
2711         if not task_is_locked_by_me:
2712             return
2713
2714         logging_text = "Task ns={} action={} ".format(nsr_id, nslcmop_id)
2715         self.logger.debug(logging_text + "Enter")
2716         # get all needed from database
2717         db_nsr = None
2718         db_nslcmop = None
2719         db_nsr_update = {"_admin.nslcmop": nslcmop_id,
2720                          "_admin.current-operation": nslcmop_id,
2721                          "_admin.operation-type": "action"}
2722         self.update_db_2("nsrs", nsr_id, db_nsr_update)
2723         db_nslcmop_update = {}
2724         nslcmop_operation_state = None
2725         nslcmop_operation_state_detail = None
2726         exc = None
2727         try:
2728             # wait for any previous tasks in process
2729             step = "Waiting for previous operations to terminate"
2730             await self.lcm_tasks.waitfor_related_HA('ns', 'nslcmops', nslcmop_id)
2731
2732             self._write_ns_status(
2733                 nsr_id=nsr_id,
2734                 ns_state=None,
2735                 current_operation="RUNNING ACTION",
2736                 current_operation_id=nslcmop_id
2737             )
2738
2739             step = "Getting information from database"
2740             db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
2741             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
2742
2743             nsr_deployed = db_nsr["_admin"].get("deployed")
2744             vnf_index = db_nslcmop["operationParams"].get("member_vnf_index")
2745             vdu_id = db_nslcmop["operationParams"].get("vdu_id")
2746             kdu_name = db_nslcmop["operationParams"].get("kdu_name")
2747             vdu_count_index = db_nslcmop["operationParams"].get("vdu_count_index")
2748             vdu_name = db_nslcmop["operationParams"].get("vdu_name")
2749
2750             if vnf_index:
2751                 step = "Getting vnfr from database"
2752                 db_vnfr = self.db.get_one("vnfrs", {"member-vnf-index-ref": vnf_index, "nsr-id-ref": nsr_id})
2753                 step = "Getting vnfd from database"
2754                 db_vnfd = self.db.get_one("vnfds", {"_id": db_vnfr["vnfd-id"]})
2755             else:
2756                 if db_nsr.get("nsd"):
2757                     db_nsd = db_nsr.get("nsd")    # TODO this will be removed
2758                 else:
2759                     step = "Getting nsd from database"
2760                     db_nsd = self.db.get_one("nsds", {"_id": db_nsr["nsd-id"]})
2761
2762             # for backward compatibility
2763             if nsr_deployed and isinstance(nsr_deployed.get("VCA"), dict):
2764                 nsr_deployed["VCA"] = list(nsr_deployed["VCA"].values())
2765                 db_nsr_update["_admin.deployed.VCA"] = nsr_deployed["VCA"]
2766                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
2767
2768             primitive = db_nslcmop["operationParams"]["primitive"]
2769             primitive_params = db_nslcmop["operationParams"]["primitive_params"]
2770
2771             # look for primitive
2772             config_primitive_desc = None
2773             if vdu_id:
2774                 for vdu in get_iterable(db_vnfd, "vdu"):
2775                     if vdu_id == vdu["id"]:
2776                         for config_primitive in vdu.get("vdu-configuration", {}).get("config-primitive", ()):
2777                             if config_primitive["name"] == primitive:
2778                                 config_primitive_desc = config_primitive
2779                                 break
2780             elif kdu_name:
2781                 self.logger.debug(logging_text + "Checking actions in KDUs")
2782                 kdur = next((x for x in db_vnfr["kdur"] if x["kdu-name"] == kdu_name), None)
2783                 desc_params = self._format_additional_params(kdur.get("additionalParams")) or {}
2784                 if primitive_params:
2785                     desc_params.update(primitive_params)
2786                 # TODO Check if we will need something at vnf level
2787                 index = 0
2788                 for kdu in get_iterable(nsr_deployed, "K8s"):
2789                     if kdu_name == kdu["kdu-name"]:
2790                         db_dict = {"collection": "nsrs", "filter": {"_id": nsr_id},
2791                                    "path": "_admin.deployed.K8s.{}".format(index)}
2792                         if primitive == "upgrade":
2793                             if desc_params.get("kdu_model"):
2794                                 kdu_model = desc_params.get("kdu_model")
2795                                 del desc_params["kdu_model"]
2796                             else:
2797                                 kdu_model = kdu.get("kdu-model")
2798                                 parts = kdu_model.split(sep=":")
2799                                 if len(parts) == 2:
2800                                     kdu_model = parts[0]
2801
2802                             if kdu.get("k8scluster-type") == "chart":
2803                                 output = await self.k8sclusterhelm.upgrade(cluster_uuid=kdu.get("k8scluster-uuid"),
2804                                                                            kdu_instance=kdu.get("kdu-instance"),
2805                                                                            atomic=True, kdu_model=kdu_model,
2806                                                                            params=desc_params, db_dict=db_dict,
2807                                                                            timeout=300)
2808                             elif kdu.get("k8scluster-type") == "juju":
2809                                 output = await self.k8sclusterjuju.upgrade(cluster_uuid=kdu.get("k8scluster-uuid"),
2810                                                                            kdu_instance=kdu.get("kdu-instance"),
2811                                                                            atomic=True, kdu_model=kdu_model,
2812                                                                            params=desc_params, db_dict=db_dict,
2813                                                                            timeout=300)
2814
2815                             else:
2816                                 msg = "k8scluster-type not defined"
2817                                 raise LcmException(msg)
2818
2819                             self.logger.debug(logging_text + " Upgrade of kdu {} done".format(output))
2820                             break
2821                         elif primitive == "rollback":
2822                             if kdu.get("k8scluster-type") == "chart":
2823                                 output = await self.k8sclusterhelm.rollback(cluster_uuid=kdu.get("k8scluster-uuid"),
2824                                                                             kdu_instance=kdu.get("kdu-instance"),
2825                                                                             db_dict=db_dict)
2826                             elif kdu.get("k8scluster-type") == "juju":
2827                                 output = await self.k8sclusterjuju.rollback(cluster_uuid=kdu.get("k8scluster-uuid"),
2828                                                                             kdu_instance=kdu.get("kdu-instance"),
2829                                                                             db_dict=db_dict)
2830                             else:
2831                                 msg = "k8scluster-type not defined"
2832                                 raise LcmException(msg)
2833                             break
2834                         elif primitive == "status":
2835                             if kdu.get("k8scluster-type") == "chart":
2836                                 output = await self.k8sclusterhelm.status_kdu(cluster_uuid=kdu.get("k8scluster-uuid"),
2837                                                                               kdu_instance=kdu.get("kdu-instance"))
2838                             elif kdu.get("k8scluster-type") == "juju":
2839                                 output = await self.k8sclusterjuju.status_kdu(cluster_uuid=kdu.get("k8scluster-uuid"),
2840                                                                               kdu_instance=kdu.get("kdu-instance"))
2841                             else:
2842                                 msg = "k8scluster-type not defined"
2843                                 raise LcmException(msg)
2844                             break
2845                     index += 1
2846
2847                 else:
2848                     raise LcmException("KDU '{}' not found".format(kdu_name))
2849                 if output:
2850                     db_nslcmop_update["detailed-status"] = output
2851                     db_nslcmop_update["operationState"] = 'COMPLETED'
2852                     db_nslcmop_update["statusEnteredTime"] = time()
2853                 else:
2854                     db_nslcmop_update["detailed-status"] = ''
2855                     db_nslcmop_update["operationState"] = 'FAILED'
2856                     db_nslcmop_update["statusEnteredTime"] = time()
2857                 return
2858             elif vnf_index:
2859                 for config_primitive in db_vnfd.get("vnf-configuration", {}).get("config-primitive", ()):
2860                     if config_primitive["name"] == primitive:
2861                         config_primitive_desc = config_primitive
2862                         break
2863             else:
2864                 for config_primitive in db_nsd.get("ns-configuration", {}).get("config-primitive", ()):
2865                     if config_primitive["name"] == primitive:
2866                         config_primitive_desc = config_primitive
2867                         break
2868
2869             if not config_primitive_desc:
2870                 raise LcmException("Primitive {} not found at [ns|vnf|vdu]-configuration:config-primitive ".
2871                                    format(primitive))
2872
2873             desc_params = {}
2874             if vnf_index:
2875                 if db_vnfr.get("additionalParamsForVnf"):
2876                     desc_params = self._format_additional_params(db_vnfr["additionalParamsForVnf"])
2877                 if vdu_id:
2878                     vdur = next((x for x in db_vnfr["vdur"] if x["vdu-id-ref"] == vdu_id), None)
2879                     if vdur.get("additionalParams"):
2880                         desc_params = self._format_additional_params(vdur["additionalParams"])
2881             else:
2882                 if db_nsr.get("additionalParamsForNs"):
2883                     desc_params.update(self._format_additional_params(db_nsr["additionalParamsForNs"]))
2884
2885             # TODO check if ns is in a proper status
2886             output, detail = await self._ns_execute_primitive(
2887                 db_deployed=nsr_deployed,
2888                 member_vnf_index=vnf_index,
2889                 vdu_id=vdu_id,
2890                 vdu_name=vdu_name,
2891                 vdu_count_index=vdu_count_index,
2892                 primitive=primitive,
2893                 primitive_params=self._map_primitive_params(config_primitive_desc, primitive_params, desc_params))
2894
2895             detailed_status = output
2896             if detail == 'OK':
2897                 result = 'COMPLETED'
2898             else:
2899                 result = 'FAILED'
2900
2901             db_nslcmop_update["detailed-status"] = nslcmop_operation_state_detail = detailed_status
2902             db_nslcmop_update["operationState"] = nslcmop_operation_state = result
2903             db_nslcmop_update["statusEnteredTime"] = time()
2904             self.logger.debug(logging_text + " task Done with result {} {}".format(result, detailed_status))
2905             return  # database update is called inside finally
2906
2907         except (DbException, LcmException) as e:
2908             self.logger.error(logging_text + "Exit Exception {}".format(e))
2909             exc = e
2910         except asyncio.CancelledError:
2911             self.logger.error(logging_text + "Cancelled Exception while '{}'".format(step))
2912             exc = "Operation was cancelled"
2913         except Exception as e:
2914             exc = traceback.format_exc()
2915             self.logger.critical(logging_text + "Exit Exception {} {}".format(type(e).__name__, e), exc_info=True)
2916         finally:
2917             if exc and db_nslcmop:
2918                 db_nslcmop_update["detailed-status"] = nslcmop_operation_state_detail = \
2919                     "FAILED {}: {}".format(step, exc)
2920                 db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED"
2921                 db_nslcmop_update["statusEnteredTime"] = time()
2922             try:
2923                 if db_nslcmop_update:
2924                     self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
2925                 if db_nsr:
2926                     db_nsr_update["_admin.nslcmop"] = None
2927                     db_nsr_update["_admin.operation-type"] = None
2928                     db_nsr_update["_admin.nslcmop"] = None
2929                     db_nsr_update["_admin.current-operation"] = None
2930                     self.update_db_2("nsrs", nsr_id, db_nsr_update)
2931                     self._write_ns_status(
2932                         nsr_id=nsr_id,
2933                         ns_state=None,
2934                         current_operation="IDLE",
2935                         current_operation_id=None
2936                     )
2937                     if exc:
2938                         self._write_op_status(
2939                             op_id=nslcmop_id,
2940                             error_message=nslcmop_operation_state_detail
2941                         )
2942             except DbException as e:
2943                 self.logger.error(logging_text + "Cannot update database: {}".format(e))
2944             self.logger.debug(logging_text + "Exit")
2945             if nslcmop_operation_state:
2946                 try:
2947                     await self.msg.aiowrite("ns", "actioned", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,
2948                                                                "operationState": nslcmop_operation_state},
2949                                             loop=self.loop)
2950                 except Exception as e:
2951                     self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
2952             self.logger.debug(logging_text + "Exit")
2953             self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_action")
2954             return nslcmop_operation_state, nslcmop_operation_state_detail
2955
2956     async def scale(self, nsr_id, nslcmop_id):
2957
2958         # Try to lock HA task here
2959         task_is_locked_by_me = self.lcm_tasks.lock_HA('ns', 'nslcmops', nslcmop_id)
2960         if not task_is_locked_by_me:
2961             return
2962
2963         logging_text = "Task ns={} scale={} ".format(nsr_id, nslcmop_id)
2964         self.logger.debug(logging_text + "Enter")
2965         # get all needed from database
2966         db_nsr = None
2967         db_nslcmop = None
2968         db_nslcmop_update = {}
2969         nslcmop_operation_state = None
2970         db_nsr_update = {"_admin.nslcmop": nslcmop_id,
2971                          "_admin.current-operation": nslcmop_id,
2972                          "_admin.operation-type": "scale"}
2973         self.update_db_2("nsrs", nsr_id, db_nsr_update)
2974         exc = None
2975         # in case of error, indicates what part of scale was failed to put nsr at error status
2976         scale_process = None
2977         old_operational_status = ""
2978         old_config_status = ""
2979         vnfr_scaled = False
2980         try:
2981             # wait for any previous tasks in process
2982             step = "Waiting for previous operations to terminate"
2983             await self.lcm_tasks.waitfor_related_HA('ns', 'nslcmops', nslcmop_id)
2984
2985             self._write_ns_status(
2986                 nsr_id=nsr_id,
2987                 ns_state=None,
2988                 current_operation="SCALING",
2989                 current_operation_id=nslcmop_id
2990             )
2991
2992             step = "Getting nslcmop from database"
2993             self.logger.debug(step + " after having waited for previous tasks to be completed")
2994             db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
2995             step = "Getting nsr from database"
2996             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
2997
2998             old_operational_status = db_nsr["operational-status"]
2999             old_config_status = db_nsr["config-status"]
3000             step = "Parsing scaling parameters"
3001             # self.logger.debug(step)
3002             db_nsr_update["operational-status"] = "scaling"
3003             self.update_db_2("nsrs", nsr_id, db_nsr_update)
3004             nsr_deployed = db_nsr["_admin"].get("deployed")
3005
3006             #######
3007             nsr_deployed = db_nsr["_admin"].get("deployed")
3008             vnf_index = db_nslcmop["operationParams"].get("member_vnf_index")
3009             # vdu_id = db_nslcmop["operationParams"].get("vdu_id")
3010             # vdu_count_index = db_nslcmop["operationParams"].get("vdu_count_index")
3011             # vdu_name = db_nslcmop["operationParams"].get("vdu_name")
3012             #######
3013
3014             RO_nsr_id = nsr_deployed["RO"]["nsr_id"]
3015             vnf_index = db_nslcmop["operationParams"]["scaleVnfData"]["scaleByStepData"]["member-vnf-index"]
3016             scaling_group = db_nslcmop["operationParams"]["scaleVnfData"]["scaleByStepData"]["scaling-group-descriptor"]
3017             scaling_type = db_nslcmop["operationParams"]["scaleVnfData"]["scaleVnfType"]
3018             # scaling_policy = db_nslcmop["operationParams"]["scaleVnfData"]["scaleByStepData"].get("scaling-policy")
3019
3020             # for backward compatibility
3021             if nsr_deployed and isinstance(nsr_deployed.get("VCA"), dict):
3022                 nsr_deployed["VCA"] = list(nsr_deployed["VCA"].values())
3023                 db_nsr_update["_admin.deployed.VCA"] = nsr_deployed["VCA"]
3024                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
3025
3026             step = "Getting vnfr from database"
3027             db_vnfr = self.db.get_one("vnfrs", {"member-vnf-index-ref": vnf_index, "nsr-id-ref": nsr_id})
3028             step = "Getting vnfd from database"
3029             db_vnfd = self.db.get_one("vnfds", {"_id": db_vnfr["vnfd-id"]})
3030
3031             step = "Getting scaling-group-descriptor"
3032             for scaling_descriptor in db_vnfd["scaling-group-descriptor"]:
3033                 if scaling_descriptor["name"] == scaling_group:
3034                     break
3035             else:
3036                 raise LcmException("input parameter 'scaleByStepData':'scaling-group-descriptor':'{}' is not present "
3037                                    "at vnfd:scaling-group-descriptor".format(scaling_group))
3038
3039             # cooldown_time = 0
3040             # for scaling_policy_descriptor in scaling_descriptor.get("scaling-policy", ()):
3041             #     cooldown_time = scaling_policy_descriptor.get("cooldown-time", 0)
3042             #     if scaling_policy and scaling_policy == scaling_policy_descriptor.get("name"):
3043             #         break
3044
3045             # TODO check if ns is in a proper status
3046             step = "Sending scale order to VIM"
3047             nb_scale_op = 0
3048             if not db_nsr["_admin"].get("scaling-group"):
3049                 self.update_db_2("nsrs", nsr_id, {"_admin.scaling-group": [{"name": scaling_group, "nb-scale-op": 0}]})
3050                 admin_scale_index = 0
3051             else:
3052                 for admin_scale_index, admin_scale_info in enumerate(db_nsr["_admin"]["scaling-group"]):
3053                     if admin_scale_info["name"] == scaling_group:
3054                         nb_scale_op = admin_scale_info.get("nb-scale-op", 0)
3055                         break
3056                 else:  # not found, set index one plus last element and add new entry with the name
3057                     admin_scale_index += 1
3058                     db_nsr_update["_admin.scaling-group.{}.name".format(admin_scale_index)] = scaling_group
3059             RO_scaling_info = []
3060             vdu_scaling_info = {"scaling_group_name": scaling_group, "vdu": []}
3061             if scaling_type == "SCALE_OUT":
3062                 # count if max-instance-count is reached
3063                 max_instance_count = scaling_descriptor.get("max-instance-count", 10)
3064                 # self.logger.debug("MAX_INSTANCE_COUNT is {}".format(max_instance_count))
3065                 if nb_scale_op >= max_instance_count:
3066                     raise LcmException("reached the limit of {} (max-instance-count) "
3067                                        "scaling-out operations for the "
3068                                        "scaling-group-descriptor '{}'".format(nb_scale_op, scaling_group))
3069
3070                 nb_scale_op += 1
3071                 vdu_scaling_info["scaling_direction"] = "OUT"
3072                 vdu_scaling_info["vdu-create"] = {}
3073                 for vdu_scale_info in scaling_descriptor["vdu"]:
3074                     RO_scaling_info.append({"osm_vdu_id": vdu_scale_info["vdu-id-ref"], "member-vnf-index": vnf_index,
3075                                             "type": "create", "count": vdu_scale_info.get("count", 1)})
3076                     vdu_scaling_info["vdu-create"][vdu_scale_info["vdu-id-ref"]] = vdu_scale_info.get("count", 1)
3077
3078             elif scaling_type == "SCALE_IN":
3079                 # count if min-instance-count is reached
3080                 min_instance_count = 0
3081                 if "min-instance-count" in scaling_descriptor and scaling_descriptor["min-instance-count"] is not None:
3082                     min_instance_count = int(scaling_descriptor["min-instance-count"])
3083                 if nb_scale_op <= min_instance_count:
3084                     raise LcmException("reached the limit of {} (min-instance-count) scaling-in operations for the "
3085                                        "scaling-group-descriptor '{}'".format(nb_scale_op, scaling_group))
3086                 nb_scale_op -= 1
3087                 vdu_scaling_info["scaling_direction"] = "IN"
3088                 vdu_scaling_info["vdu-delete"] = {}
3089                 for vdu_scale_info in scaling_descriptor["vdu"]:
3090                     RO_scaling_info.append({"osm_vdu_id": vdu_scale_info["vdu-id-ref"], "member-vnf-index": vnf_index,
3091                                             "type": "delete", "count": vdu_scale_info.get("count", 1)})
3092                     vdu_scaling_info["vdu-delete"][vdu_scale_info["vdu-id-ref"]] = vdu_scale_info.get("count", 1)
3093
3094             # update VDU_SCALING_INFO with the VDUs to delete ip_addresses
3095             vdu_create = vdu_scaling_info.get("vdu-create")
3096             vdu_delete = copy(vdu_scaling_info.get("vdu-delete"))
3097             if vdu_scaling_info["scaling_direction"] == "IN":
3098                 for vdur in reversed(db_vnfr["vdur"]):
3099                     if vdu_delete.get(vdur["vdu-id-ref"]):
3100                         vdu_delete[vdur["vdu-id-ref"]] -= 1
3101                         vdu_scaling_info["vdu"].append({
3102                             "name": vdur["name"],
3103                             "vdu_id": vdur["vdu-id-ref"],
3104                             "interface": []
3105                         })
3106                         for interface in vdur["interfaces"]:
3107                             vdu_scaling_info["vdu"][-1]["interface"].append({
3108                                 "name": interface["name"],
3109                                 "ip_address": interface["ip-address"],
3110                                 "mac_address": interface.get("mac-address"),
3111                             })
3112                 vdu_delete = vdu_scaling_info.pop("vdu-delete")
3113
3114             # PRE-SCALE BEGIN
3115             step = "Executing pre-scale vnf-config-primitive"
3116             if scaling_descriptor.get("scaling-config-action"):
3117                 for scaling_config_action in scaling_descriptor["scaling-config-action"]:
3118                     if (scaling_config_action.get("trigger") == "pre-scale-in" and scaling_type == "SCALE_IN") \
3119                        or (scaling_config_action.get("trigger") == "pre-scale-out" and scaling_type == "SCALE_OUT"):
3120                         vnf_config_primitive = scaling_config_action["vnf-config-primitive-name-ref"]
3121                         step = db_nslcmop_update["detailed-status"] = \
3122                             "executing pre-scale scaling-config-action '{}'".format(vnf_config_primitive)
3123
3124                         # look for primitive
3125                         for config_primitive in db_vnfd.get("vnf-configuration", {}).get("config-primitive", ()):
3126                             if config_primitive["name"] == vnf_config_primitive:
3127                                 break
3128                         else:
3129                             raise LcmException(
3130                                 "Invalid vnfd descriptor at scaling-group-descriptor[name='{}']:scaling-config-action"
3131                                 "[vnf-config-primitive-name-ref='{}'] does not match any vnf-configuration:config-"
3132                                 "primitive".format(scaling_group, config_primitive))
3133
3134                         vnfr_params = {"VDU_SCALE_INFO": vdu_scaling_info}
3135                         if db_vnfr.get("additionalParamsForVnf"):
3136                             vnfr_params.update(db_vnfr["additionalParamsForVnf"])
3137
3138                         scale_process = "VCA"
3139                         db_nsr_update["config-status"] = "configuring pre-scaling"
3140                         primitive_params = self._map_primitive_params(config_primitive, {}, vnfr_params)
3141
3142                         # Pre-scale reintent check: Check if this sub-operation has been executed before
3143                         op_index = self._check_or_add_scale_suboperation(
3144                             db_nslcmop, nslcmop_id, vnf_index, vnf_config_primitive, primitive_params, 'PRE-SCALE')
3145                         if (op_index == self.SUBOPERATION_STATUS_SKIP):
3146                             # Skip sub-operation
3147                             result = 'COMPLETED'
3148                             result_detail = 'Done'
3149                             self.logger.debug(logging_text +
3150                                               "vnf_config_primitive={} Skipped sub-operation, result {} {}".format(
3151                                                   vnf_config_primitive, result, result_detail))
3152                         else:
3153                             if (op_index == self.SUBOPERATION_STATUS_NEW):
3154                                 # New sub-operation: Get index of this sub-operation
3155                                 op_index = len(db_nslcmop.get('_admin', {}).get('operations')) - 1
3156                                 self.logger.debug(logging_text + "vnf_config_primitive={} New sub-operation".
3157                                                   format(vnf_config_primitive))
3158                             else:
3159                                 # Reintent:  Get registered params for this existing sub-operation
3160                                 op = db_nslcmop.get('_admin', {}).get('operations', [])[op_index]
3161                                 vnf_index = op.get('member_vnf_index')
3162                                 vnf_config_primitive = op.get('primitive')
3163                                 primitive_params = op.get('primitive_params')
3164                                 self.logger.debug(logging_text + "vnf_config_primitive={} Sub-operation reintent".
3165                                                   format(vnf_config_primitive))
3166                             # Execute the primitive, either with new (first-time) or registered (reintent) args
3167                             result, result_detail = await self._ns_execute_primitive(
3168                                 nsr_deployed, vnf_index, None, None, None, vnf_config_primitive, primitive_params)
3169                             self.logger.debug(logging_text + "vnf_config_primitive={} Done with result {} {}".format(
3170                                 vnf_config_primitive, result, result_detail))
3171                             # Update operationState = COMPLETED | FAILED
3172                             self._update_suboperation_status(
3173                                 db_nslcmop, op_index, result, result_detail)
3174
3175                         if result == "FAILED":
3176                             raise LcmException(result_detail)
3177                         db_nsr_update["config-status"] = old_config_status
3178                         scale_process = None
3179             # PRE-SCALE END
3180
3181             # SCALE RO - BEGIN
3182             # Should this block be skipped if 'RO_nsr_id' == None ?
3183             # if (RO_nsr_id and RO_scaling_info):
3184             if RO_scaling_info:
3185                 scale_process = "RO"
3186                 # Scale RO reintent check: Check if this sub-operation has been executed before
3187                 op_index = self._check_or_add_scale_suboperation(
3188                     db_nslcmop, vnf_index, None, None, 'SCALE-RO', RO_nsr_id, RO_scaling_info)
3189                 if (op_index == self.SUBOPERATION_STATUS_SKIP):
3190                     # Skip sub-operation
3191                     result = 'COMPLETED'
3192                     result_detail = 'Done'
3193                     self.logger.debug(logging_text + "Skipped sub-operation RO, result {} {}".format(
3194                         result, result_detail))
3195                 else:
3196                     if (op_index == self.SUBOPERATION_STATUS_NEW):
3197                         # New sub-operation: Get index of this sub-operation
3198                         op_index = len(db_nslcmop.get('_admin', {}).get('operations')) - 1
3199                         self.logger.debug(logging_text + "New sub-operation RO")
3200                     else:
3201                         # Reintent:  Get registered params for this existing sub-operation
3202                         op = db_nslcmop.get('_admin', {}).get('operations', [])[op_index]
3203                         RO_nsr_id = op.get('RO_nsr_id')
3204                         RO_scaling_info = op.get('RO_scaling_info')
3205                         self.logger.debug(logging_text + "Sub-operation RO reintent".format(
3206                             vnf_config_primitive))
3207
3208                     RO_desc = await self.RO.create_action("ns", RO_nsr_id, {"vdu-scaling": RO_scaling_info})
3209                     db_nsr_update["_admin.scaling-group.{}.nb-scale-op".format(admin_scale_index)] = nb_scale_op
3210                     db_nsr_update["_admin.scaling-group.{}.time".format(admin_scale_index)] = time()
3211                     # wait until ready
3212                     RO_nslcmop_id = RO_desc["instance_action_id"]
3213                     db_nslcmop_update["_admin.deploy.RO"] = RO_nslcmop_id
3214
3215                     RO_task_done = False
3216                     step = detailed_status = "Waiting RO_task_id={} to complete the scale action.".format(RO_nslcmop_id)
3217                     detailed_status_old = None
3218                     self.logger.debug(logging_text + step)
3219
3220                     deployment_timeout = 1 * 3600   # One hour
3221                     while deployment_timeout > 0:
3222                         if not RO_task_done:
3223                             desc = await self.RO.show("ns", item_id_name=RO_nsr_id, extra_item="action",
3224                                                       extra_item_id=RO_nslcmop_id)
3225
3226                             # deploymentStatus
3227                             self._on_update_ro_db(nsrs_id=nsr_id, ro_descriptor=desc)
3228
3229                             ns_status, ns_status_info = self.RO.check_action_status(desc)
3230                             if ns_status == "ERROR":
3231                                 raise ROclient.ROClientException(ns_status_info)
3232                             elif ns_status == "BUILD":
3233                                 detailed_status = step + "; {}".format(ns_status_info)
3234                             elif ns_status == "ACTIVE":
3235                                 RO_task_done = True
3236                                 step = detailed_status = "Waiting ns ready at RO. RO_id={}".format(RO_nsr_id)
3237                                 self.logger.debug(logging_text + step)
3238                             else:
3239                                 assert False, "ROclient.check_action_status returns unknown {}".format(ns_status)
3240                         else:
3241
3242                             if ns_status == "ERROR":
3243                                 raise ROclient.ROClientException(ns_status_info)
3244                             elif ns_status == "BUILD":
3245                                 detailed_status = step + "; {}".format(ns_status_info)
3246                             elif ns_status == "ACTIVE":
3247                                 step = detailed_status = \
3248                                     "Waiting for management IP address reported by the VIM. Updating VNFRs"
3249                                 if not vnfr_scaled:
3250                                     self.scale_vnfr(db_vnfr, vdu_create=vdu_create, vdu_delete=vdu_delete)
3251                                     vnfr_scaled = True
3252                                 try:
3253                                     desc = await self.RO.show("ns", RO_nsr_id)
3254
3255                                     # deploymentStatus
3256                                     self._on_update_ro_db(nsrs_id=nsr_id, ro_descriptor=desc)
3257
3258                                     # nsr_deployed["nsr_ip"] = RO.get_ns_vnf_info(desc)
3259                                     self.ns_update_vnfr({db_vnfr["member-vnf-index-ref"]: db_vnfr}, desc)
3260                                     break
3261                                 except LcmExceptionNoMgmtIP:
3262                                     pass
3263                             else:
3264                                 assert False, "ROclient.check_ns_status returns unknown {}".format(ns_status)
3265                         if detailed_status != detailed_status_old:
3266                             self._update_suboperation_status(
3267                                 db_nslcmop, op_index, 'COMPLETED', detailed_status)
3268                             detailed_status_old = db_nslcmop_update["detailed-status"] = detailed_status
3269                             self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
3270
3271                         await asyncio.sleep(5, loop=self.loop)
3272                         deployment_timeout -= 5
3273                     if deployment_timeout <= 0:
3274                         self._update_suboperation_status(
3275                             db_nslcmop, nslcmop_id, op_index, 'FAILED', "Timeout when waiting for ns to get ready")
3276                         raise ROclient.ROClientException("Timeout waiting ns to be ready")
3277
3278                     # update VDU_SCALING_INFO with the obtained ip_addresses
3279                     if vdu_scaling_info["scaling_direction"] == "OUT":
3280                         for vdur in reversed(db_vnfr["vdur"]):
3281                             if vdu_scaling_info["vdu-create"].get(vdur["vdu-id-ref"]):
3282                                 vdu_scaling_info["vdu-create"][vdur["vdu-id-ref"]] -= 1
3283                                 vdu_scaling_info["vdu"].append({
3284                                     "name": vdur["name"],
3285                                     "vdu_id": vdur["vdu-id-ref"],
3286                                     "interface": []
3287                                 })
3288                                 for interface in vdur["interfaces"]:
3289                                     vdu_scaling_info["vdu"][-1]["interface"].append({
3290                                         "name": interface["name"],
3291                                         "ip_address": interface["ip-address"],
3292                                         "mac_address": interface.get("mac-address"),
3293                                     })
3294                         del vdu_scaling_info["vdu-create"]
3295
3296                     self._update_suboperation_status(db_nslcmop, op_index, 'COMPLETED', 'Done')
3297             # SCALE RO - END
3298
3299             scale_process = None
3300             if db_nsr_update:
3301                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
3302
3303             # POST-SCALE BEGIN
3304             # execute primitive service POST-SCALING
3305             step = "Executing post-scale vnf-config-primitive"
3306             if scaling_descriptor.get("scaling-config-action"):
3307                 for scaling_config_action in scaling_descriptor["scaling-config-action"]:
3308                     if (scaling_config_action.get("trigger") == "post-scale-in" and scaling_type == "SCALE_IN") \
3309                        or (scaling_config_action.get("trigger") == "post-scale-out" and scaling_type == "SCALE_OUT"):
3310                         vnf_config_primitive = scaling_config_action["vnf-config-primitive-name-ref"]
3311                         step = db_nslcmop_update["detailed-status"] = \
3312                             "executing post-scale scaling-config-action '{}'".format(vnf_config_primitive)
3313
3314                         vnfr_params = {"VDU_SCALE_INFO": vdu_scaling_info}
3315                         if db_vnfr.get("additionalParamsForVnf"):
3316                             vnfr_params.update(db_vnfr["additionalParamsForVnf"])
3317
3318                         # look for primitive
3319                         for config_primitive in db_vnfd.get("vnf-configuration", {}).get("config-primitive", ()):
3320                             if config_primitive["name"] == vnf_config_primitive:
3321                                 break
3322                         else:
3323                             raise LcmException("Invalid vnfd descriptor at scaling-group-descriptor[name='{}']:"
3324                                                "scaling-config-action[vnf-config-primitive-name-ref='{}'] does not "
3325                                                "match any vnf-configuration:config-primitive".format(scaling_group,
3326                                                                                                      config_primitive))
3327                         scale_process = "VCA"
3328                         db_nsr_update["config-status"] = "configuring post-scaling"
3329                         primitive_params = self._map_primitive_params(config_primitive, {}, vnfr_params)
3330
3331                         # Post-scale reintent check: Check if this sub-operation has been executed before
3332                         op_index = self._check_or_add_scale_suboperation(
3333                             db_nslcmop, nslcmop_id, vnf_index, vnf_config_primitive, primitive_params, 'POST-SCALE')
3334                         if op_index == self.SUBOPERATION_STATUS_SKIP:
3335                             # Skip sub-operation
3336                             result = 'COMPLETED'
3337                             result_detail = 'Done'
3338                             self.logger.debug(logging_text +
3339                                               "vnf_config_primitive={} Skipped sub-operation, result {} {}".
3340                                               format(vnf_config_primitive, result, result_detail))
3341                         else:
3342                             if op_index == self.SUBOPERATION_STATUS_NEW:
3343                                 # New sub-operation: Get index of this sub-operation
3344                                 op_index = len(db_nslcmop.get('_admin', {}).get('operations')) - 1
3345                                 self.logger.debug(logging_text + "vnf_config_primitive={} New sub-operation".
3346                                                   format(vnf_config_primitive))
3347                             else:
3348                                 # Reintent:  Get registered params for this existing sub-operation
3349                                 op = db_nslcmop.get('_admin', {}).get('operations', [])[op_index]
3350                                 vnf_index = op.get('member_vnf_index')
3351                                 vnf_config_primitive = op.get('primitive')
3352                                 primitive_params = op.get('primitive_params')
3353                                 self.logger.debug(logging_text + "vnf_config_primitive={} Sub-operation reintent".
3354                                                   format(vnf_config_primitive))
3355                             # Execute the primitive, either with new (first-time) or registered (reintent) args
3356                             result, result_detail = await self._ns_execute_primitive(
3357                                 nsr_deployed, vnf_index, None, None, None, vnf_config_primitive, primitive_params)
3358                             self.logger.debug(logging_text + "vnf_config_primitive={} Done with result {} {}".format(
3359                                 vnf_config_primitive, result, result_detail))
3360                             # Update operationState = COMPLETED | FAILED
3361                             self._update_suboperation_status(
3362                                 db_nslcmop, op_index, result, result_detail)
3363
3364                         if result == "FAILED":
3365                             raise LcmException(result_detail)
3366                         db_nsr_update["config-status"] = old_config_status
3367                         scale_process = None
3368             # POST-SCALE END
3369
3370             db_nslcmop_update["operationState"] = nslcmop_operation_state = "COMPLETED"
3371             db_nslcmop_update["statusEnteredTime"] = time()
3372             db_nslcmop_update["detailed-status"] = "done"
3373             db_nsr_update["detailed-status"] = ""  # "scaled {} {}".format(scaling_group, scaling_type)
3374             db_nsr_update["operational-status"] = "running" if old_operational_status == "failed" \
3375                 else old_operational_status
3376             db_nsr_update["config-status"] = old_config_status
3377             return
3378         except (ROclient.ROClientException, DbException, LcmException) as e:
3379             self.logger.error(logging_text + "Exit Exception {}".format(e))
3380             exc = e
3381         except asyncio.CancelledError:
3382             self.logger.error(logging_text + "Cancelled Exception while '{}'".format(step))
3383             exc = "Operation was cancelled"
3384         except Exception as e:
3385             exc = traceback.format_exc()
3386             self.logger.critical(logging_text + "Exit Exception {} {}".format(type(e).__name__, e), exc_info=True)
3387         finally:
3388             self._write_ns_status(
3389                 nsr_id=nsr_id,
3390                 ns_state=None,
3391                 current_operation="IDLE",
3392                 current_operation_id=None
3393             )
3394             if exc:
3395                 if db_nslcmop:
3396                     db_nslcmop_update["detailed-status"] = "FAILED {}: {}".format(step, exc)
3397                     db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED"
3398                     db_nslcmop_update["statusEnteredTime"] = time()
3399                 if db_nsr:
3400                     db_nsr_update["operational-status"] = old_operational_status
3401                     db_nsr_update["config-status"] = old_config_status
3402                     db_nsr_update["detailed-status"] = ""
3403                     db_nsr_update["_admin.nslcmop"] = None
3404                     if scale_process:
3405                         if "VCA" in scale_process:
3406                             db_nsr_update["config-status"] = "failed"
3407                         if "RO" in scale_process:
3408                             db_nsr_update["operational-status"] = "failed"
3409                         db_nsr_update["detailed-status"] = "FAILED scaling nslcmop={} {}: {}".format(nslcmop_id, step,
3410                                                                                                      exc)
3411             try:
3412                 if db_nslcmop and db_nslcmop_update:
3413                     self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
3414                 if db_nsr:
3415                     db_nsr_update["_admin.current-operation"] = None
3416                     db_nsr_update["_admin.operation-type"] = None
3417                     db_nsr_update["_admin.nslcmop"] = None
3418                     self.update_db_2("nsrs", nsr_id, db_nsr_update)
3419
3420                     self._write_ns_status(
3421                         nsr_id=nsr_id,
3422                         ns_state=None,
3423                         current_operation="IDLE",
3424                         current_operation_id=None
3425                     )
3426
3427             except DbException as e:
3428                 self.logger.error(logging_text + "Cannot update database: {}".format(e))
3429             if nslcmop_operation_state:
3430                 try:
3431                     await self.msg.aiowrite("ns", "scaled", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,
3432                                                              "operationState": nslcmop_operation_state},
3433                                             loop=self.loop)
3434                     # if cooldown_time:
3435                     #     await asyncio.sleep(cooldown_time, loop=self.loop)
3436                     # await self.msg.aiowrite("ns","scaled-cooldown-time", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id})
3437                 except Exception as e:
3438                     self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
3439             self.logger.debug(logging_text + "Exit")
3440             self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_scale")