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                 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                 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             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             # write in db flag of configuration_sw already installed
1180             self.update_db_2("nsrs", nsr_id, {db_update_entry + "config_sw_installed": True})
1181
1182             # add relations for this VCA (wait for other peers related with this VCA)
1183             await self._add_vca_relations(logging_text=logging_text, nsr_id=nsr_id, vca_index=vca_index)
1184
1185             # if SSH access is required, then get execution environment SSH public
1186             if is_proxy_charm:  # if native charm we have waited already to VM be UP
1187                 pub_key = None
1188                 user = None
1189                 if deep_get(config_descriptor, ("config-access", "ssh-access", "required")):
1190                     # Needed to inject a ssh key
1191                     user = deep_get(config_descriptor, ("config-access", "ssh-access", "default-user"))
1192                     step = "Install configuration Software, getting public ssh key"
1193                     pub_key = await self.n2vc.get_ee_ssh_public__key(ee_id=ee_id, db_dict=db_dict)
1194
1195                     step = "Insert public key into VM user={} ssh_key={}".format(user, pub_key)
1196                 else:
1197                     step = "Waiting to VM being up and getting IP address"
1198                 self.logger.debug(logging_text + step)
1199
1200                 # n2vc_redesign STEP 5.1
1201                 # wait for RO (ip-address) Insert pub_key into VM
1202                 if vnfr_id:
1203                     rw_mgmt_ip = await self.wait_vm_up_insert_key_ro(logging_text, nsr_id, vnfr_id, vdu_id, vdu_index,
1204                                                                      user=user, pub_key=pub_key)
1205                 else:
1206                     rw_mgmt_ip = None   # This is for a NS configuration
1207
1208                 self.logger.debug(logging_text + ' VM_ip_address={}'.format(rw_mgmt_ip))
1209
1210             # store rw_mgmt_ip in deploy params for later replacement
1211             deploy_params["rw_mgmt_ip"] = rw_mgmt_ip
1212
1213             # n2vc_redesign STEP 6  Execute initial config primitive
1214             step = 'execute initial config primitive'
1215             initial_config_primitive_list = config_descriptor.get('initial-config-primitive')
1216
1217             # sort initial config primitives by 'seq'
1218             if initial_config_primitive_list:
1219                 try:
1220                     initial_config_primitive_list.sort(key=lambda val: int(val['seq']))
1221                 except Exception as e:
1222                     self.logger.error(logging_text + step + ": " + str(e))
1223             else:
1224                 self.logger.debug(logging_text + step + ": No initial-config-primitive")
1225
1226             # add config if not present for NS charm
1227             initial_config_primitive_list = self._get_initial_config_primitive_list(initial_config_primitive_list,
1228                                                                                     vca_deployed)
1229
1230             # wait for dependent primitives execution (NS -> VNF -> VDU)
1231             if initial_config_primitive_list:
1232                 await self._wait_dependent_n2vc(nsr_id, vca_deployed_list, vca_index)
1233
1234             # stage, in function of element type: vdu, kdu, vnf or ns
1235             my_vca = vca_deployed_list[vca_index]
1236             if my_vca.get("vdu_id") or my_vca.get("kdu_name"):
1237                 # VDU or KDU
1238                 stage = 'Stage 3/5: running Day-1 primitives for VDU'
1239             elif my_vca.get("member-vnf-index"):
1240                 # VNF
1241                 stage = 'Stage 4/5: running Day-1 primitives for VNF'
1242             else:
1243                 # NS
1244                 stage = 'Stage 5/5: running Day-1 primitives for NS'
1245
1246             self._write_configuration_status(
1247                 nsr_id=nsr_id,
1248                 vca_index=vca_index,
1249                 status='EXECUTING PRIMITIVE'
1250             )
1251
1252             self._write_op_status(
1253                 op_id=nslcmop_id,
1254                 stage=stage
1255             )
1256
1257             for initial_config_primitive in initial_config_primitive_list:
1258                 # adding information on the vca_deployed if it is a NS execution environment
1259                 if not vca_deployed["member-vnf-index"]:
1260                     deploy_params["ns_config_info"] = json.dumps(self._get_ns_config_info(nsr_id))
1261                 # TODO check if already done
1262                 primitive_params_ = self._map_primitive_params(initial_config_primitive, {}, deploy_params)
1263
1264                 step = "execute primitive '{}' params '{}'".format(initial_config_primitive["name"], primitive_params_)
1265                 self.logger.debug(logging_text + step)
1266                 await self.n2vc.exec_primitive(
1267                     ee_id=ee_id,
1268                     primitive_name=initial_config_primitive["name"],
1269                     params_dict=primitive_params_,
1270                     db_dict=db_dict
1271                 )
1272
1273                 # TODO register in database that primitive is done
1274
1275             step = "instantiated at VCA"
1276             self.logger.debug(logging_text + step)
1277
1278             self._write_configuration_status(
1279                 nsr_id=nsr_id,
1280                 vca_index=vca_index,
1281                 status='READY'
1282             )
1283
1284         except Exception as e:  # TODO not use Exception but N2VC exception
1285             # self.update_db_2("nsrs", nsr_id, {db_update_entry + "instantiation": "FAILED"})
1286             self._write_configuration_status(
1287                 nsr_id=nsr_id,
1288                 vca_index=vca_index,
1289                 status='BROKEN'
1290             )
1291             raise Exception("{} {}".format(step, e)) from e
1292             # TODO raise N2VC exception with 'step' extra information
1293
1294     def _write_ns_status(self, nsr_id: str, ns_state: str, current_operation: str, current_operation_id: str,
1295                          error_description: str = None):
1296         try:
1297             db_dict = dict()
1298             if ns_state:
1299                 db_dict["nsState"] = ns_state
1300             db_dict["currentOperation"] = current_operation
1301             db_dict["currentOperationID"] = current_operation_id
1302             db_dict["errorDescription"] = error_description
1303             self.update_db_2("nsrs", nsr_id, db_dict)
1304         except Exception as e:
1305             self.logger.warn('Error writing NS status, ns={}: {}'.format(nsr_id, e))
1306
1307     def _write_op_status(self, op_id: str, stage: str = None, error_message: str = None, queuePosition: int = 0):
1308         try:
1309             db_dict = dict()
1310             db_dict['queuePosition'] = queuePosition
1311             db_dict['stage'] = stage
1312             if error_message:
1313                 db_dict['errorMessage'] = error_message
1314             self.update_db_2("nslcmops", op_id, db_dict)
1315         except Exception as e:
1316             self.logger.warn('Error writing OPERATION status for op_id: {} -> {}'.format(op_id, e))
1317
1318     def _write_all_config_status(self, nsr_id: str, status: str):
1319         try:
1320             # nsrs record
1321             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
1322             # configurationStatus
1323             config_status = db_nsr.get('configurationStatus')
1324             if config_status:
1325                 # update status
1326                 db_dict = dict()
1327                 db_dict['configurationStatus'] = list()
1328                 for c in config_status:
1329                     c['status'] = status
1330                     db_dict['configurationStatus'].append(c)
1331                 self.update_db_2("nsrs", nsr_id, db_dict)
1332
1333         except Exception as e:
1334             self.logger.warn('Error writing all configuration status, ns={}: {}'.format(nsr_id, e))
1335
1336     def _write_configuration_status(self, nsr_id: str, vca_index: int, status: str = None,
1337                                     element_under_configuration: str = None, element_type: str = None):
1338
1339         # self.logger.debug('_write_configuration_status(): vca_index={}, status={}'
1340         #                   .format(vca_index, status))
1341
1342         try:
1343             db_path = 'configurationStatus.{}.'.format(vca_index)
1344             db_dict = dict()
1345             if status:
1346                 db_dict[db_path + 'status'] = status
1347             if element_under_configuration:
1348                 db_dict[db_path + 'elementUnderConfiguration'] = element_under_configuration
1349             if element_type:
1350                 db_dict[db_path + 'elementType'] = element_type
1351             self.update_db_2("nsrs", nsr_id, db_dict)
1352         except Exception as e:
1353             self.logger.warn('Error writing configuration status={}, ns={}, vca_index={}: {}'
1354                              .format(status, nsr_id, vca_index, e))
1355
1356     async def instantiate(self, nsr_id, nslcmop_id):
1357         """
1358
1359         :param nsr_id: ns instance to deploy
1360         :param nslcmop_id: operation to run
1361         :return:
1362         """
1363
1364         # Try to lock HA task here
1365         task_is_locked_by_me = self.lcm_tasks.lock_HA('ns', 'nslcmops', nslcmop_id)
1366         if not task_is_locked_by_me:
1367             self.logger.debug('instantiate() task is not locked by me, ns={}'.format(nsr_id))
1368             return
1369
1370         logging_text = "Task ns={} instantiate={} ".format(nsr_id, nslcmop_id)
1371         self.logger.debug(logging_text + "Enter")
1372
1373         # get all needed from database
1374
1375         # database nsrs record
1376         db_nsr = None
1377
1378         # database nslcmops record
1379         db_nslcmop = None
1380
1381         # update operation on nsrs
1382         db_nsr_update = {"_admin.nslcmop": nslcmop_id,
1383                          "_admin.current-operation": nslcmop_id,
1384                          "_admin.operation-type": "instantiate"}
1385         self.update_db_2("nsrs", nsr_id, db_nsr_update)
1386
1387         # update operation on nslcmops
1388         db_nslcmop_update = {}
1389
1390         nslcmop_operation_state = None
1391         db_vnfrs = {}     # vnf's info indexed by member-index
1392         # n2vc_info = {}
1393         task_instantiation_list = []
1394         task_instantiation_info = {}  # from task to info text
1395         exc = None
1396         try:
1397             # wait for any previous tasks in process
1398             step = "Waiting for previous operations to terminate"
1399             await self.lcm_tasks.waitfor_related_HA('ns', 'nslcmops', nslcmop_id)
1400
1401             # STEP 0: Reading database (nslcmops, nsrs, nsds, vnfrs, vnfds)
1402
1403             # nsState="BUILDING", currentOperation="INSTANTIATING", currentOperationID=nslcmop_id
1404             self._write_ns_status(
1405                 nsr_id=nsr_id,
1406                 ns_state="BUILDING",
1407                 current_operation="INSTANTIATING",
1408                 current_operation_id=nslcmop_id
1409             )
1410
1411             # read from db: operation
1412             step = "Getting nslcmop={} from db".format(nslcmop_id)
1413             db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
1414             ns_params = db_nslcmop.get("operationParams")
1415             if ns_params and ns_params.get("timeout_ns_deploy"):
1416                 timeout_ns_deploy = ns_params["timeout_ns_deploy"]
1417             else:
1418                 timeout_ns_deploy = self.timeout.get("ns_deploy", self.timeout_ns_deploy)
1419
1420             # read from db: ns
1421             step = "Getting nsr={} from db".format(nsr_id)
1422             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
1423             # nsd is replicated into ns (no db read)
1424             nsd = db_nsr["nsd"]
1425             # nsr_name = db_nsr["name"]   # TODO short-name??
1426
1427             # read from db: vnf's of this ns
1428             step = "Getting vnfrs from db"
1429             self.logger.debug(logging_text + step)
1430             db_vnfrs_list = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id})
1431
1432             # read from db: vnfd's for every vnf
1433             db_vnfds_ref = {}     # every vnfd data indexed by vnf name
1434             db_vnfds = {}         # every vnfd data indexed by vnf id
1435             db_vnfds_index = {}   # every vnfd data indexed by vnf member-index
1436
1437             self._write_op_status(
1438                 op_id=nslcmop_id,
1439                 stage='Stage 1/5: preparation of the environment',
1440                 queuePosition=0
1441             )
1442
1443             # for each vnf in ns, read vnfd
1444             for vnfr in db_vnfrs_list:
1445                 db_vnfrs[vnfr["member-vnf-index-ref"]] = vnfr   # vnf's dict indexed by member-index: '1', '2', etc
1446                 vnfd_id = vnfr["vnfd-id"]                       # vnfd uuid for this vnf
1447                 vnfd_ref = vnfr["vnfd-ref"]                     # vnfd name for this vnf
1448                 # if we haven't this vnfd, read it from db
1449                 if vnfd_id not in db_vnfds:
1450                     # read from db
1451                     step = "Getting vnfd={} id='{}' from db".format(vnfd_id, vnfd_ref)
1452                     self.logger.debug(logging_text + step)
1453                     vnfd = self.db.get_one("vnfds", {"_id": vnfd_id})
1454
1455                     # store vnfd
1456                     db_vnfds_ref[vnfd_ref] = vnfd     # vnfd's indexed by name
1457                     db_vnfds[vnfd_id] = vnfd          # vnfd's indexed by id
1458                 db_vnfds_index[vnfr["member-vnf-index-ref"]] = db_vnfds[vnfd_id]  # vnfd's indexed by member-index
1459
1460             # Get or generates the _admin.deployed.VCA list
1461             vca_deployed_list = None
1462             if db_nsr["_admin"].get("deployed"):
1463                 vca_deployed_list = db_nsr["_admin"]["deployed"].get("VCA")
1464             if vca_deployed_list is None:
1465                 vca_deployed_list = []
1466                 configuration_status_list = []
1467                 db_nsr_update["_admin.deployed.VCA"] = vca_deployed_list
1468                 db_nsr_update["configurationStatus"] = configuration_status_list
1469                 # add _admin.deployed.VCA to db_nsr dictionary, value=vca_deployed_list
1470                 populate_dict(db_nsr, ("_admin", "deployed", "VCA"), vca_deployed_list)
1471             elif isinstance(vca_deployed_list, dict):
1472                 # maintain backward compatibility. Change a dict to list at database
1473                 vca_deployed_list = list(vca_deployed_list.values())
1474                 db_nsr_update["_admin.deployed.VCA"] = vca_deployed_list
1475                 populate_dict(db_nsr, ("_admin", "deployed", "VCA"), vca_deployed_list)
1476
1477             db_nsr_update["detailed-status"] = "creating"
1478             db_nsr_update["operational-status"] = "init"
1479
1480             if not isinstance(deep_get(db_nsr, ("_admin", "deployed", "RO", "vnfd")), list):
1481                 populate_dict(db_nsr, ("_admin", "deployed", "RO", "vnfd"), [])
1482                 db_nsr_update["_admin.deployed.RO.vnfd"] = []
1483
1484             # set state to INSTANTIATED. When instantiated NBI will not delete directly
1485             db_nsr_update["_admin.nsState"] = "INSTANTIATED"
1486             self.update_db_2("nsrs", nsr_id, db_nsr_update)
1487
1488             # n2vc_redesign STEP 2 Deploy Network Scenario
1489
1490             self._write_op_status(
1491                 op_id=nslcmop_id,
1492                 stage='Stage 2/5: deployment of VMs and execution environments'
1493             )
1494
1495             self.logger.debug(logging_text + "Before deploy_kdus")
1496             # Call to deploy_kdus in case exists the "vdu:kdu" param
1497             task_kdu = asyncio.ensure_future(
1498                 self.deploy_kdus(
1499                     logging_text=logging_text,
1500                     nsr_id=nsr_id,
1501                     db_nsr=db_nsr,
1502                     db_vnfrs=db_vnfrs,
1503                     db_vnfds=db_vnfds
1504                 )
1505             )
1506             self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "instantiate_KDUs", task_kdu)
1507             task_instantiation_info[task_kdu] = "Deploy KDUs"
1508             task_instantiation_list.append(task_kdu)
1509             # n2vc_redesign STEP 1 Get VCA public ssh-key
1510             # feature 1429. Add n2vc public key to needed VMs
1511             n2vc_key = self.n2vc.get_public_key()
1512             n2vc_key_list = [n2vc_key]
1513             if self.vca_config.get("public_key"):
1514                 n2vc_key_list.append(self.vca_config["public_key"])
1515
1516             task_ro = asyncio.ensure_future(
1517                 self.instantiate_RO(
1518                     logging_text=logging_text,
1519                     nsr_id=nsr_id,
1520                     nsd=nsd,
1521                     db_nsr=db_nsr,
1522                     db_nslcmop=db_nslcmop,
1523                     db_vnfrs=db_vnfrs,
1524                     db_vnfds_ref=db_vnfds_ref,
1525                     n2vc_key_list=n2vc_key_list
1526                 )
1527             )
1528             self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "instantiate_RO", task_ro)
1529             task_instantiation_info[task_ro] = "Deploy at VIM"
1530             task_instantiation_list.append(task_ro)
1531
1532             # n2vc_redesign STEP 3 to 6 Deploy N2VC
1533             step = "Deploying proxy and native charms"
1534             self.logger.debug(logging_text + step)
1535
1536             nsi_id = None  # TODO put nsi_id when this nsr belongs to a NSI
1537             # get_iterable() returns a value from a dict or empty tuple if key does not exist
1538             for c_vnf in get_iterable(nsd, "constituent-vnfd"):
1539                 vnfd_id = c_vnf["vnfd-id-ref"]
1540                 vnfd = db_vnfds_ref[vnfd_id]
1541                 member_vnf_index = str(c_vnf["member-vnf-index"])
1542                 db_vnfr = db_vnfrs[member_vnf_index]
1543                 base_folder = vnfd["_admin"]["storage"]
1544                 vdu_id = None
1545                 vdu_index = 0
1546                 vdu_name = None
1547                 kdu_name = None
1548
1549                 # Get additional parameters
1550                 deploy_params = {}
1551                 if db_vnfr.get("additionalParamsForVnf"):
1552                     deploy_params = self._format_additional_params(db_vnfr["additionalParamsForVnf"].copy())
1553
1554                 descriptor_config = vnfd.get("vnf-configuration")
1555                 if descriptor_config and descriptor_config.get("juju"):
1556                     self._deploy_n2vc(
1557                         logging_text=logging_text + "member_vnf_index={} ".format(member_vnf_index),
1558                         db_nsr=db_nsr,
1559                         db_vnfr=db_vnfr,
1560                         nslcmop_id=nslcmop_id,
1561                         nsr_id=nsr_id,
1562                         nsi_id=nsi_id,
1563                         vnfd_id=vnfd_id,
1564                         vdu_id=vdu_id,
1565                         kdu_name=kdu_name,
1566                         member_vnf_index=member_vnf_index,
1567                         vdu_index=vdu_index,
1568                         vdu_name=vdu_name,
1569                         deploy_params=deploy_params,
1570                         descriptor_config=descriptor_config,
1571                         base_folder=base_folder,
1572                         task_instantiation_list=task_instantiation_list,
1573                         task_instantiation_info=task_instantiation_info
1574                     )
1575
1576                 # Deploy charms for each VDU that supports one.
1577                 for vdud in get_iterable(vnfd, 'vdu'):
1578                     vdu_id = vdud["id"]
1579                     descriptor_config = vdud.get('vdu-configuration')
1580                     vdur = next((x for x in db_vnfr["vdur"] if x["vdu-id-ref"] == vdu_id), None)
1581                     if vdur.get("additionalParams"):
1582                         deploy_params_vdu = self._format_additional_params(vdur["additionalParams"])
1583                     else:
1584                         deploy_params_vdu = deploy_params
1585                     if descriptor_config and descriptor_config.get("juju"):
1586                         # look for vdu index in the db_vnfr["vdu"] section
1587                         # for vdur_index, vdur in enumerate(db_vnfr["vdur"]):
1588                         #     if vdur["vdu-id-ref"] == vdu_id:
1589                         #         break
1590                         # else:
1591                         #     raise LcmException("Mismatch vdu_id={} not found in the vnfr['vdur'] list for "
1592                         #                        "member_vnf_index={}".format(vdu_id, member_vnf_index))
1593                         # vdu_name = vdur.get("name")
1594                         vdu_name = None
1595                         kdu_name = None
1596                         for vdu_index in range(int(vdud.get("count", 1))):
1597                             # TODO vnfr_params["rw_mgmt_ip"] = vdur["ip-address"]
1598                             self._deploy_n2vc(
1599                                 logging_text=logging_text + "member_vnf_index={}, vdu_id={}, vdu_index={} ".format(
1600                                     member_vnf_index, vdu_id, vdu_index),
1601                                 db_nsr=db_nsr,
1602                                 db_vnfr=db_vnfr,
1603                                 nslcmop_id=nslcmop_id,
1604                                 nsr_id=nsr_id,
1605                                 nsi_id=nsi_id,
1606                                 vnfd_id=vnfd_id,
1607                                 vdu_id=vdu_id,
1608                                 kdu_name=kdu_name,
1609                                 member_vnf_index=member_vnf_index,
1610                                 vdu_index=vdu_index,
1611                                 vdu_name=vdu_name,
1612                                 deploy_params=deploy_params_vdu,
1613                                 descriptor_config=descriptor_config,
1614                                 base_folder=base_folder,
1615                                 task_instantiation_list=task_instantiation_list,
1616                                 task_instantiation_info=task_instantiation_info
1617                             )
1618                 for kdud in get_iterable(vnfd, 'kdu'):
1619                     kdu_name = kdud["name"]
1620                     descriptor_config = kdud.get('kdu-configuration')
1621                     if descriptor_config and descriptor_config.get("juju"):
1622                         vdu_id = None
1623                         vdu_index = 0
1624                         vdu_name = None
1625                         # look for vdu index in the db_vnfr["vdu"] section
1626                         # for vdur_index, vdur in enumerate(db_vnfr["vdur"]):
1627                         #     if vdur["vdu-id-ref"] == vdu_id:
1628                         #         break
1629                         # else:
1630                         #     raise LcmException("Mismatch vdu_id={} not found in the vnfr['vdur'] list for "
1631                         #                        "member_vnf_index={}".format(vdu_id, member_vnf_index))
1632                         # vdu_name = vdur.get("name")
1633                         # vdu_name = None
1634
1635                         self._deploy_n2vc(
1636                             logging_text=logging_text,
1637                             db_nsr=db_nsr,
1638                             db_vnfr=db_vnfr,
1639                             nslcmop_id=nslcmop_id,
1640                             nsr_id=nsr_id,
1641                             nsi_id=nsi_id,
1642                             vnfd_id=vnfd_id,
1643                             vdu_id=vdu_id,
1644                             kdu_name=kdu_name,
1645                             member_vnf_index=member_vnf_index,
1646                             vdu_index=vdu_index,
1647                             vdu_name=vdu_name,
1648                             deploy_params=deploy_params,
1649                             descriptor_config=descriptor_config,
1650                             base_folder=base_folder,
1651                             task_instantiation_list=task_instantiation_list,
1652                             task_instantiation_info=task_instantiation_info
1653                         )
1654
1655             # Check if this NS has a charm configuration
1656             descriptor_config = nsd.get("ns-configuration")
1657             if descriptor_config and descriptor_config.get("juju"):
1658                 vnfd_id = None
1659                 db_vnfr = None
1660                 member_vnf_index = None
1661                 vdu_id = None
1662                 kdu_name = None
1663                 vdu_index = 0
1664                 vdu_name = None
1665
1666                 # Get additional parameters
1667                 deploy_params = {}
1668                 if db_nsr.get("additionalParamsForNs"):
1669                     deploy_params = self._format_additional_params(db_nsr["additionalParamsForNs"].copy())
1670                 base_folder = nsd["_admin"]["storage"]
1671                 self._deploy_n2vc(
1672                     logging_text=logging_text,
1673                     db_nsr=db_nsr,
1674                     db_vnfr=db_vnfr,
1675                     nslcmop_id=nslcmop_id,
1676                     nsr_id=nsr_id,
1677                     nsi_id=nsi_id,
1678                     vnfd_id=vnfd_id,
1679                     vdu_id=vdu_id,
1680                     kdu_name=kdu_name,
1681                     member_vnf_index=member_vnf_index,
1682                     vdu_index=vdu_index,
1683                     vdu_name=vdu_name,
1684                     deploy_params=deploy_params,
1685                     descriptor_config=descriptor_config,
1686                     base_folder=base_folder,
1687                     task_instantiation_list=task_instantiation_list,
1688                     task_instantiation_info=task_instantiation_info
1689                 )
1690
1691             # Wait until all tasks of "task_instantiation_list" have been finished
1692
1693             error_text_list = []
1694
1695             # let's begin with all OK
1696             instantiated_ok = True
1697             # let's begin with RO 'running' status (later we can change it)
1698             db_nsr_update["operational-status"] = "running"
1699             # let's begin with VCA 'configured' status (later we can change it)
1700             db_nsr_update["config-status"] = "configured"
1701
1702             step = "Waiting for tasks to be finished"
1703             if task_instantiation_list:
1704                 # wait for all tasks completion
1705                 done, pending = await asyncio.wait(task_instantiation_list, timeout=timeout_ns_deploy)
1706
1707                 for task in pending:
1708                     instantiated_ok = False
1709                     if task in (task_ro, task_kdu):
1710                         # RO or KDU task is pending
1711                         db_nsr_update["operational-status"] = "failed"
1712                     else:
1713                         # A N2VC task is pending
1714                         db_nsr_update["config-status"] = "failed"
1715                     self.logger.error(logging_text + task_instantiation_info[task] + ": Timeout")
1716                     error_text_list.append(task_instantiation_info[task] + ": Timeout")
1717                 for task in done:
1718                     if task.cancelled():
1719                         instantiated_ok = False
1720                         if task in (task_ro, task_kdu):
1721                             # RO or KDU task was cancelled
1722                             db_nsr_update["operational-status"] = "failed"
1723                         else:
1724                             # A N2VC was cancelled
1725                             db_nsr_update["config-status"] = "failed"
1726                         self.logger.warn(logging_text + task_instantiation_info[task] + ": Cancelled")
1727                         error_text_list.append(task_instantiation_info[task] + ": Cancelled")
1728                     else:
1729                         exc = task.exception()
1730                         if exc:
1731                             instantiated_ok = False
1732                             if task in (task_ro, task_kdu):
1733                                 # RO or KDU task raised an exception
1734                                 db_nsr_update["operational-status"] = "failed"
1735                             else:
1736                                 # A N2VC task raised an exception
1737                                 db_nsr_update["config-status"] = "failed"
1738                             self.logger.error(logging_text + task_instantiation_info[task] + ": Failed")
1739
1740                             if isinstance(exc, (N2VCException, ROclient.ROClientException)):
1741                                 error_text_list.append(task_instantiation_info[task] + ": {}".format(exc))
1742                             else:
1743                                 exc_traceback = "".join(traceback.format_exception(None, exc, exc.__traceback__))
1744                                 self.logger.error(logging_text + task_instantiation_info[task] + exc_traceback)
1745                                 error_text_list.append(task_instantiation_info[task] + ": " + exc_traceback)
1746                         else:
1747                             self.logger.debug(logging_text + task_instantiation_info[task] + ": Done")
1748
1749             if error_text_list:
1750                 error_text = "\n".join(error_text_list)
1751                 db_nsr_update["detailed-status"] = error_text
1752                 db_nslcmop_update["detailed-status"] = error_text
1753                 db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED"
1754                 db_nslcmop_update["statusEnteredTime"] = time()
1755             else:
1756                 # all is done
1757                 db_nsr_update["detailed-status"] = "done"
1758                 db_nslcmop_update["detailed-status"] = "done"
1759                 db_nslcmop_update["operationState"] = nslcmop_operation_state = "COMPLETED"
1760                 db_nslcmop_update["statusEnteredTime"] = time()
1761
1762         except (ROclient.ROClientException, DbException, LcmException) as e:
1763             self.logger.error(logging_text + "Exit Exception while '{}': {}".format(step, e))
1764             exc = e
1765         except asyncio.CancelledError:
1766             self.logger.error(logging_text + "Cancelled Exception while '{}'".format(step))
1767             exc = "Operation was cancelled"
1768         except Exception as e:
1769             exc = traceback.format_exc()
1770             self.logger.critical(logging_text + "Exit Exception {} while '{}': {}".format(type(e).__name__, step, e),
1771                                  exc_info=True)
1772         finally:
1773             if exc:
1774                 if db_nsr:
1775                     db_nsr_update["detailed-status"] = "ERROR {}: {}".format(step, exc)
1776                     db_nsr_update["operational-status"] = "failed"
1777                     db_nsr_update["config-status"] = "failed"
1778                 if db_nslcmop:
1779                     db_nslcmop_update["detailed-status"] = "FAILED {}: {}".format(step, exc)
1780                     db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED"
1781                     db_nslcmop_update["statusEnteredTime"] = time()
1782             try:
1783                 if db_nsr:
1784                     db_nsr_update["_admin.nslcmop"] = None
1785                     db_nsr_update["_admin.current-operation"] = None
1786                     db_nsr_update["_admin.operation-type"] = None
1787                     self.update_db_2("nsrs", nsr_id, db_nsr_update)
1788
1789                     # nsState="READY/BROKEN", currentOperation="IDLE", currentOperationID=None
1790                     ns_state = None
1791                     error_description = None
1792                     if instantiated_ok:
1793                         ns_state = "READY"
1794                     else:
1795                         ns_state = "BROKEN"
1796                         error_description = 'Operation: INSTANTIATING.{}, step: {}'.format(nslcmop_id, step)
1797
1798                     self._write_ns_status(
1799                         nsr_id=nsr_id,
1800                         ns_state=ns_state,
1801                         current_operation="IDLE",
1802                         current_operation_id=None,
1803                         error_description=error_description
1804                     )
1805
1806                     self._write_op_status(
1807                         op_id=nslcmop_id,
1808                         error_message=error_description
1809                     )
1810
1811                 if db_nslcmop_update:
1812                     self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
1813
1814                 self.logger.debug(logging_text + 'End of instantiation: {}'.format(instantiated_ok))
1815
1816             except DbException as e:
1817                 self.logger.error(logging_text + "Cannot update database: {}".format(e))
1818
1819             if nslcmop_operation_state:
1820                 try:
1821                     await self.msg.aiowrite("ns", "instantiated", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,
1822                                                                    "operationState": nslcmop_operation_state},
1823                                             loop=self.loop)
1824                 except Exception as e:
1825                     self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
1826
1827             self.logger.debug(logging_text + "Exit")
1828             self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_instantiate")
1829
1830     async def _add_vca_relations(self, logging_text, nsr_id, vca_index: int, timeout: int = 3600) -> bool:
1831
1832         # steps:
1833         # 1. find all relations for this VCA
1834         # 2. wait for other peers related
1835         # 3. add relations
1836
1837         try:
1838
1839             # STEP 1: find all relations for this VCA
1840
1841             # read nsr record
1842             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
1843
1844             # this VCA data
1845             my_vca = deep_get(db_nsr, ('_admin', 'deployed', 'VCA'))[vca_index]
1846
1847             # read all ns-configuration relations
1848             ns_relations = list()
1849             db_ns_relations = deep_get(db_nsr, ('nsd', 'ns-configuration', 'relation'))
1850             if db_ns_relations:
1851                 for r in db_ns_relations:
1852                     # check if this VCA is in the relation
1853                     if my_vca.get('member-vnf-index') in\
1854                             (r.get('entities')[0].get('id'), r.get('entities')[1].get('id')):
1855                         ns_relations.append(r)
1856
1857             # read all vnf-configuration relations
1858             vnf_relations = list()
1859             db_vnfd_list = db_nsr.get('vnfd-id')
1860             if db_vnfd_list:
1861                 for vnfd in db_vnfd_list:
1862                     db_vnfd = self.db.get_one("vnfds", {"_id": vnfd})
1863                     db_vnf_relations = deep_get(db_vnfd, ('vnf-configuration', 'relation'))
1864                     if db_vnf_relations:
1865                         for r in db_vnf_relations:
1866                             # check if this VCA is in the relation
1867                             if my_vca.get('vdu_id') in (r.get('entities')[0].get('id'), r.get('entities')[1].get('id')):
1868                                 vnf_relations.append(r)
1869
1870             # if no relations, terminate
1871             if not ns_relations and not vnf_relations:
1872                 self.logger.debug(logging_text + ' No relations')
1873                 return True
1874
1875             self.logger.debug(logging_text + ' adding relations\n    {}\n    {}'.format(ns_relations, vnf_relations))
1876
1877             # add all relations
1878             start = time()
1879             while True:
1880                 # check timeout
1881                 now = time()
1882                 if now - start >= timeout:
1883                     self.logger.error(logging_text + ' : timeout adding relations')
1884                     return False
1885
1886                 # reload nsr from database (we need to update record: _admin.deloyed.VCA)
1887                 db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
1888
1889                 # for each defined NS relation, find the VCA's related
1890                 for r in ns_relations:
1891                     from_vca_ee_id = None
1892                     to_vca_ee_id = None
1893                     from_vca_endpoint = None
1894                     to_vca_endpoint = None
1895                     vca_list = deep_get(db_nsr, ('_admin', 'deployed', 'VCA'))
1896                     for vca in vca_list:
1897                         if vca.get('member-vnf-index') == r.get('entities')[0].get('id') \
1898                                 and vca.get('config_sw_installed'):
1899                             from_vca_ee_id = vca.get('ee_id')
1900                             from_vca_endpoint = r.get('entities')[0].get('endpoint')
1901                         if vca.get('member-vnf-index') == r.get('entities')[1].get('id') \
1902                                 and vca.get('config_sw_installed'):
1903                             to_vca_ee_id = vca.get('ee_id')
1904                             to_vca_endpoint = r.get('entities')[1].get('endpoint')
1905                     if from_vca_ee_id and to_vca_ee_id:
1906                         # add relation
1907                         await self.n2vc.add_relation(
1908                             ee_id_1=from_vca_ee_id,
1909                             ee_id_2=to_vca_ee_id,
1910                             endpoint_1=from_vca_endpoint,
1911                             endpoint_2=to_vca_endpoint)
1912                         # remove entry from relations list
1913                         ns_relations.remove(r)
1914                     else:
1915                         # check failed peers
1916                         try:
1917                             vca_status_list = db_nsr.get('configurationStatus')
1918                             if vca_status_list:
1919                                 for i in range(len(vca_list)):
1920                                     vca = vca_list[i]
1921                                     vca_status = vca_status_list[i]
1922                                     if vca.get('member-vnf-index') == r.get('entities')[0].get('id'):
1923                                         if vca_status.get('status') == 'BROKEN':
1924                                             # peer broken: remove relation from list
1925                                             ns_relations.remove(r)
1926                                     if vca.get('member-vnf-index') == r.get('entities')[1].get('id'):
1927                                         if vca_status.get('status') == 'BROKEN':
1928                                             # peer broken: remove relation from list
1929                                             ns_relations.remove(r)
1930                         except Exception:
1931                             # ignore
1932                             pass
1933
1934                 # for each defined VNF relation, find the VCA's related
1935                 for r in vnf_relations:
1936                     from_vca_ee_id = None
1937                     to_vca_ee_id = None
1938                     from_vca_endpoint = None
1939                     to_vca_endpoint = None
1940                     vca_list = deep_get(db_nsr, ('_admin', 'deployed', 'VCA'))
1941                     for vca in vca_list:
1942                         if vca.get('vdu_id') == r.get('entities')[0].get('id') and vca.get('config_sw_installed'):
1943                             from_vca_ee_id = vca.get('ee_id')
1944                             from_vca_endpoint = r.get('entities')[0].get('endpoint')
1945                         if vca.get('vdu_id') == r.get('entities')[1].get('id') and vca.get('config_sw_installed'):
1946                             to_vca_ee_id = vca.get('ee_id')
1947                             to_vca_endpoint = r.get('entities')[1].get('endpoint')
1948                     if from_vca_ee_id and to_vca_ee_id:
1949                         # add relation
1950                         await self.n2vc.add_relation(
1951                             ee_id_1=from_vca_ee_id,
1952                             ee_id_2=to_vca_ee_id,
1953                             endpoint_1=from_vca_endpoint,
1954                             endpoint_2=to_vca_endpoint)
1955                         # remove entry from relations list
1956                         vnf_relations.remove(r)
1957                     else:
1958                         # check failed peers
1959                         try:
1960                             vca_status_list = db_nsr.get('configurationStatus')
1961                             if vca_status_list:
1962                                 for i in range(len(vca_list)):
1963                                     vca = vca_list[i]
1964                                     vca_status = vca_status_list[i]
1965                                     if vca.get('vdu_id') == r.get('entities')[0].get('id'):
1966                                         if vca_status.get('status') == 'BROKEN':
1967                                             # peer broken: remove relation from list
1968                                             ns_relations.remove(r)
1969                                     if vca.get('vdu_id') == r.get('entities')[1].get('id'):
1970                                         if vca_status.get('status') == 'BROKEN':
1971                                             # peer broken: remove relation from list
1972                                             ns_relations.remove(r)
1973                         except Exception:
1974                             # ignore
1975                             pass
1976
1977                 # wait for next try
1978                 await asyncio.sleep(5.0)
1979
1980                 if not ns_relations and not vnf_relations:
1981                     self.logger.debug('Relations added')
1982                     break
1983
1984             return True
1985
1986         except Exception as e:
1987             self.logger.warn(logging_text + ' ERROR adding relations: {}'.format(e))
1988             return False
1989
1990     async def deploy_kdus(self, logging_text, nsr_id, db_nsr, db_vnfrs, db_vnfds):
1991         # Launch kdus if present in the descriptor
1992
1993         deployed_ok = True
1994
1995         k8scluster_id_2_uuic = {"helm-chart": {}, "juju-bundle": {}}
1996
1997         def _get_cluster_id(cluster_id, cluster_type):
1998             nonlocal k8scluster_id_2_uuic
1999             if cluster_id in k8scluster_id_2_uuic[cluster_type]:
2000                 return k8scluster_id_2_uuic[cluster_type][cluster_id]
2001
2002             db_k8scluster = self.db.get_one("k8sclusters", {"_id": cluster_id}, fail_on_empty=False)
2003             if not db_k8scluster:
2004                 raise LcmException("K8s cluster {} cannot be found".format(cluster_id))
2005             k8s_id = deep_get(db_k8scluster, ("_admin", cluster_type, "id"))
2006             if not k8s_id:
2007                 raise LcmException("K8s cluster '{}' has not been initilized for '{}'".format(cluster_id, cluster_type))
2008             k8scluster_id_2_uuic[cluster_type][cluster_id] = k8s_id
2009             return k8s_id
2010
2011         logging_text += "Deploy kdus: "
2012         try:
2013             db_nsr_update = {"_admin.deployed.K8s": []}
2014             self.update_db_2("nsrs", nsr_id, db_nsr_update)
2015
2016             # Look for all vnfds
2017             pending_tasks = {}
2018             index = 0
2019             for vnfr_data in db_vnfrs.values():
2020                 for kdur in get_iterable(vnfr_data, "kdur"):
2021                     desc_params = self._format_additional_params(kdur.get("additionalParams"))
2022                     kdumodel = None
2023                     k8sclustertype = None
2024                     error_text = None
2025                     cluster_uuid = None
2026                     vnfd_id = vnfr_data.get('vnfd-id')
2027                     pkgdir = deep_get(db_vnfds.get(vnfd_id), ('_admin', 'storage', 'pkg-dir'))
2028                     if kdur.get("helm-chart"):
2029                         kdumodel = kdur["helm-chart"]
2030                         k8sclustertype = "chart"
2031                         k8sclustertype_full = "helm-chart"
2032                     elif kdur.get("juju-bundle"):
2033                         kdumodel = kdur["juju-bundle"]
2034                         k8sclustertype = "juju"
2035                         k8sclustertype_full = "juju-bundle"
2036                     else:
2037                         error_text = "kdu type is neither helm-chart nor juju-bundle. Maybe an old NBI version is" \
2038                                      " running"
2039                     # check if kdumodel is a file and exists
2040                     try:
2041                         # path format: /vnfdid/pkkdir/kdumodel
2042                         filename = '{}/{}/{}s/{}'.format(vnfd_id, pkgdir, k8sclustertype_full, kdumodel)
2043                         if self.fs.file_exists(filename, mode='file') or self.fs.file_exists(filename, mode='dir'):
2044                             kdumodel = self.fs.path + filename
2045                     except Exception:
2046                         # it is not a file
2047                         pass
2048                     try:
2049                         if not error_text:
2050                             cluster_uuid = _get_cluster_id(kdur["k8s-cluster"]["id"], k8sclustertype_full)
2051                     except LcmException as e:
2052                         error_text = str(e)
2053                         deployed_ok = False
2054
2055                     step = "Instantiate KDU {} in k8s cluster {}".format(kdur["kdu-name"], cluster_uuid)
2056
2057                     k8s_instace_info = {"kdu-instance": None, "k8scluster-uuid": cluster_uuid,
2058                                         "k8scluster-type": k8sclustertype,
2059                                         "kdu-name": kdur["kdu-name"], "kdu-model": kdumodel}
2060                     if error_text:
2061                         k8s_instace_info["detailed-status"] = error_text
2062                     db_nsr_update["_admin.deployed.K8s.{}".format(index)] = k8s_instace_info
2063                     self.update_db_2("nsrs", nsr_id, db_nsr_update)
2064                     if error_text:
2065                         continue
2066
2067                     db_dict = {"collection": "nsrs", "filter": {"_id": nsr_id}, "path": "_admin.deployed.K8s."
2068                                                                                         "{}".format(index)}
2069                     if k8sclustertype == "chart":
2070                         task = asyncio.ensure_future(
2071                             self.k8sclusterhelm.install(cluster_uuid=cluster_uuid, kdu_model=kdumodel, atomic=True,
2072                                                         params=desc_params, db_dict=db_dict, timeout=3600)
2073                         )
2074                     else:
2075                         task = asyncio.ensure_future(
2076                             self.k8sclusterjuju.install(cluster_uuid=cluster_uuid, kdu_model=kdumodel,
2077                                                         atomic=True, params=desc_params,
2078                                                         db_dict=db_dict, timeout=600)
2079                         )
2080
2081                     pending_tasks[task] = "_admin.deployed.K8s.{}.".format(index)
2082                     index += 1
2083             if not pending_tasks:
2084                 return
2085             self.logger.debug(logging_text + 'Waiting for terminate pending tasks...')
2086             pending_list = list(pending_tasks.keys())
2087             while pending_list:
2088                 done_list, pending_list = await asyncio.wait(pending_list, timeout=30*60,
2089                                                              return_when=asyncio.FIRST_COMPLETED)
2090                 if not done_list:   # timeout
2091                     for task in pending_list:
2092                         db_nsr_update[pending_tasks(task) + "detailed-status"] = "Timeout"
2093                         deployed_ok = False
2094                     break
2095                 for task in done_list:
2096                     exc = task.exception()
2097                     if exc:
2098                         db_nsr_update[pending_tasks[task] + "detailed-status"] = "{}".format(exc)
2099                         deployed_ok = False
2100                     else:
2101                         db_nsr_update[pending_tasks[task] + "kdu-instance"] = task.result()
2102
2103             if not deployed_ok:
2104                 raise LcmException('Cannot deploy KDUs')
2105
2106         except Exception as e:
2107             self.logger.critical(logging_text + "Exit Exception {} while '{}': {}".format(type(e).__name__, step, e))
2108             raise LcmException("{} Exit Exception {} while '{}': {}".format(logging_text, type(e).__name__, step, e))
2109         finally:
2110             if db_nsr_update:
2111                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
2112
2113     def _deploy_n2vc(self, logging_text, db_nsr, db_vnfr, nslcmop_id, nsr_id, nsi_id, vnfd_id, vdu_id,
2114                      kdu_name, member_vnf_index, vdu_index, vdu_name, deploy_params, descriptor_config,
2115                      base_folder, task_instantiation_list, task_instantiation_info):
2116         # launch instantiate_N2VC in a asyncio task and register task object
2117         # Look where information of this charm is at database <nsrs>._admin.deployed.VCA
2118         # if not found, create one entry and update database
2119
2120         # fill db_nsr._admin.deployed.VCA.<index>
2121         vca_index = -1
2122         for vca_index, vca_deployed in enumerate(db_nsr["_admin"]["deployed"]["VCA"]):
2123             if not vca_deployed:
2124                 continue
2125             if vca_deployed.get("member-vnf-index") == member_vnf_index and \
2126                     vca_deployed.get("vdu_id") == vdu_id and \
2127                     vca_deployed.get("kdu_name") == kdu_name and \
2128                     vca_deployed.get("vdu_count_index", 0) == vdu_index:
2129                 break
2130         else:
2131             # not found, create one.
2132             vca_deployed = {
2133                 "member-vnf-index": member_vnf_index,
2134                 "vdu_id": vdu_id,
2135                 "kdu_name": kdu_name,
2136                 "vdu_count_index": vdu_index,
2137                 "operational-status": "init",  # TODO revise
2138                 "detailed-status": "",  # TODO revise
2139                 "step": "initial-deploy",   # TODO revise
2140                 "vnfd_id": vnfd_id,
2141                 "vdu_name": vdu_name,
2142             }
2143             vca_index += 1
2144
2145             # create VCA and configurationStatus in db
2146             db_dict = {
2147                 "_admin.deployed.VCA.{}".format(vca_index): vca_deployed,
2148                 "configurationStatus.{}".format(vca_index): dict()
2149             }
2150             self.update_db_2("nsrs", nsr_id, db_dict)
2151
2152             db_nsr["_admin"]["deployed"]["VCA"].append(vca_deployed)
2153
2154         # Launch task
2155         task_n2vc = asyncio.ensure_future(
2156             self.instantiate_N2VC(
2157                 logging_text=logging_text,
2158                 vca_index=vca_index,
2159                 nsi_id=nsi_id,
2160                 db_nsr=db_nsr,
2161                 db_vnfr=db_vnfr,
2162                 vdu_id=vdu_id,
2163                 kdu_name=kdu_name,
2164                 vdu_index=vdu_index,
2165                 deploy_params=deploy_params,
2166                 config_descriptor=descriptor_config,
2167                 base_folder=base_folder,
2168                 nslcmop_id=nslcmop_id
2169             )
2170         )
2171         self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "instantiate_N2VC-{}".format(vca_index), task_n2vc)
2172         task_instantiation_info[task_n2vc] = "Deploy VCA {}.{}".format(member_vnf_index or "", vdu_id or "")
2173         task_instantiation_list.append(task_n2vc)
2174
2175     # Check if this VNFD has a configured terminate action
2176     def _has_terminate_config_primitive(self, vnfd):
2177         vnf_config = vnfd.get("vnf-configuration")
2178         if vnf_config and vnf_config.get("terminate-config-primitive"):
2179             return True
2180         else:
2181             return False
2182
2183     @staticmethod
2184     def _get_terminate_config_primitive_seq_list(vnfd):
2185         """ Get a numerically sorted list of the sequences for this VNFD's terminate action """
2186         # No need to check for existing primitive twice, already done before
2187         vnf_config = vnfd.get("vnf-configuration")
2188         seq_list = vnf_config.get("terminate-config-primitive")
2189         # Get all 'seq' tags in seq_list, order sequences numerically, ascending.
2190         seq_list_sorted = sorted(seq_list, key=lambda x: int(x['seq']))
2191         return seq_list_sorted
2192
2193     @staticmethod
2194     def _create_nslcmop(nsr_id, operation, params):
2195         """
2196         Creates a ns-lcm-opp content to be stored at database.
2197         :param nsr_id: internal id of the instance
2198         :param operation: instantiate, terminate, scale, action, ...
2199         :param params: user parameters for the operation
2200         :return: dictionary following SOL005 format
2201         """
2202         # Raise exception if invalid arguments
2203         if not (nsr_id and operation and params):
2204             raise LcmException(
2205                 "Parameters 'nsr_id', 'operation' and 'params' needed to create primitive not provided")
2206         now = time()
2207         _id = str(uuid4())
2208         nslcmop = {
2209             "id": _id,
2210             "_id": _id,
2211             # COMPLETED,PARTIALLY_COMPLETED,FAILED_TEMP,FAILED,ROLLING_BACK,ROLLED_BACK
2212             "operationState": "PROCESSING",
2213             "statusEnteredTime": now,
2214             "nsInstanceId": nsr_id,
2215             "lcmOperationType": operation,
2216             "startTime": now,
2217             "isAutomaticInvocation": False,
2218             "operationParams": params,
2219             "isCancelPending": False,
2220             "links": {
2221                 "self": "/osm/nslcm/v1/ns_lcm_op_occs/" + _id,
2222                 "nsInstance": "/osm/nslcm/v1/ns_instances/" + nsr_id,
2223             }
2224         }
2225         return nslcmop
2226
2227     def _format_additional_params(self, params):
2228         params = params or {}
2229         for key, value in params.items():
2230             if str(value).startswith("!!yaml "):
2231                 params[key] = yaml.safe_load(value[7:])
2232         return params
2233
2234     def _get_terminate_primitive_params(self, seq, vnf_index):
2235         primitive = seq.get('name')
2236         primitive_params = {}
2237         params = {
2238             "member_vnf_index": vnf_index,
2239             "primitive": primitive,
2240             "primitive_params": primitive_params,
2241         }
2242         desc_params = {}
2243         return self._map_primitive_params(seq, params, desc_params)
2244
2245     # sub-operations
2246
2247     def _reintent_or_skip_suboperation(self, db_nslcmop, op_index):
2248         op = db_nslcmop.get('_admin', {}).get('operations', [])[op_index]
2249         if (op.get('operationState') == 'COMPLETED'):
2250             # b. Skip sub-operation
2251             # _ns_execute_primitive() or RO.create_action() will NOT be executed
2252             return self.SUBOPERATION_STATUS_SKIP
2253         else:
2254             # c. Reintent executing sub-operation
2255             # The sub-operation exists, and operationState != 'COMPLETED'
2256             # Update operationState = 'PROCESSING' to indicate a reintent.
2257             operationState = 'PROCESSING'
2258             detailed_status = 'In progress'
2259             self._update_suboperation_status(
2260                 db_nslcmop, op_index, operationState, detailed_status)
2261             # Return the sub-operation index
2262             # _ns_execute_primitive() or RO.create_action() will be called from scale()
2263             # with arguments extracted from the sub-operation
2264             return op_index
2265
2266     # Find a sub-operation where all keys in a matching dictionary must match
2267     # Returns the index of the matching sub-operation, or SUBOPERATION_STATUS_NOT_FOUND if no match
2268     def _find_suboperation(self, db_nslcmop, match):
2269         if (db_nslcmop and match):
2270             op_list = db_nslcmop.get('_admin', {}).get('operations', [])
2271             for i, op in enumerate(op_list):
2272                 if all(op.get(k) == match[k] for k in match):
2273                     return i
2274         return self.SUBOPERATION_STATUS_NOT_FOUND
2275
2276     # Update status for a sub-operation given its index
2277     def _update_suboperation_status(self, db_nslcmop, op_index, operationState, detailed_status):
2278         # Update DB for HA tasks
2279         q_filter = {'_id': db_nslcmop['_id']}
2280         update_dict = {'_admin.operations.{}.operationState'.format(op_index): operationState,
2281                        '_admin.operations.{}.detailed-status'.format(op_index): detailed_status}
2282         self.db.set_one("nslcmops",
2283                         q_filter=q_filter,
2284                         update_dict=update_dict,
2285                         fail_on_empty=False)
2286
2287     # Add sub-operation, return the index of the added sub-operation
2288     # Optionally, set operationState, detailed-status, and operationType
2289     # Status and type are currently set for 'scale' sub-operations:
2290     # 'operationState' : 'PROCESSING' | 'COMPLETED' | 'FAILED'
2291     # 'detailed-status' : status message
2292     # 'operationType': may be any type, in the case of scaling: 'PRE-SCALE' | 'POST-SCALE'
2293     # Status and operation type are currently only used for 'scale', but NOT for 'terminate' sub-operations.
2294     def _add_suboperation(self, db_nslcmop, vnf_index, vdu_id, vdu_count_index, vdu_name, primitive,
2295                           mapped_primitive_params, operationState=None, detailed_status=None, operationType=None,
2296                           RO_nsr_id=None, RO_scaling_info=None):
2297         if not (db_nslcmop):
2298             return self.SUBOPERATION_STATUS_NOT_FOUND
2299         # Get the "_admin.operations" list, if it exists
2300         db_nslcmop_admin = db_nslcmop.get('_admin', {})
2301         op_list = db_nslcmop_admin.get('operations')
2302         # Create or append to the "_admin.operations" list
2303         new_op = {'member_vnf_index': vnf_index,
2304                   'vdu_id': vdu_id,
2305                   'vdu_count_index': vdu_count_index,
2306                   'primitive': primitive,
2307                   'primitive_params': mapped_primitive_params}
2308         if operationState:
2309             new_op['operationState'] = operationState
2310         if detailed_status:
2311             new_op['detailed-status'] = detailed_status
2312         if operationType:
2313             new_op['lcmOperationType'] = operationType
2314         if RO_nsr_id:
2315             new_op['RO_nsr_id'] = RO_nsr_id
2316         if RO_scaling_info:
2317             new_op['RO_scaling_info'] = RO_scaling_info
2318         if not op_list:
2319             # No existing operations, create key 'operations' with current operation as first list element
2320             db_nslcmop_admin.update({'operations': [new_op]})
2321             op_list = db_nslcmop_admin.get('operations')
2322         else:
2323             # Existing operations, append operation to list
2324             op_list.append(new_op)
2325
2326         db_nslcmop_update = {'_admin.operations': op_list}
2327         self.update_db_2("nslcmops", db_nslcmop['_id'], db_nslcmop_update)
2328         op_index = len(op_list) - 1
2329         return op_index
2330
2331     # Helper methods for scale() sub-operations
2332
2333     # pre-scale/post-scale:
2334     # Check for 3 different cases:
2335     # a. New: First time execution, return SUBOPERATION_STATUS_NEW
2336     # b. Skip: Existing sub-operation exists, operationState == 'COMPLETED', return SUBOPERATION_STATUS_SKIP
2337     # c. Reintent: Existing sub-operation exists, operationState != 'COMPLETED', return op_index to re-execute
2338     def _check_or_add_scale_suboperation(self, db_nslcmop, vnf_index, vnf_config_primitive, primitive_params,
2339                                          operationType, RO_nsr_id=None, RO_scaling_info=None):
2340         # Find this sub-operation
2341         if (RO_nsr_id and RO_scaling_info):
2342             operationType = 'SCALE-RO'
2343             match = {
2344                 'member_vnf_index': vnf_index,
2345                 'RO_nsr_id': RO_nsr_id,
2346                 'RO_scaling_info': RO_scaling_info,
2347             }
2348         else:
2349             match = {
2350                 'member_vnf_index': vnf_index,
2351                 'primitive': vnf_config_primitive,
2352                 'primitive_params': primitive_params,
2353                 'lcmOperationType': operationType
2354             }
2355         op_index = self._find_suboperation(db_nslcmop, match)
2356         if (op_index == self.SUBOPERATION_STATUS_NOT_FOUND):
2357             # a. New sub-operation
2358             # The sub-operation does not exist, add it.
2359             # _ns_execute_primitive() will be called from scale() as usual, with non-modified arguments
2360             # The following parameters are set to None for all kind of scaling:
2361             vdu_id = None
2362             vdu_count_index = None
2363             vdu_name = None
2364             if (RO_nsr_id and RO_scaling_info):
2365                 vnf_config_primitive = None
2366                 primitive_params = None
2367             else:
2368                 RO_nsr_id = None
2369                 RO_scaling_info = None
2370             # Initial status for sub-operation
2371             operationState = 'PROCESSING'
2372             detailed_status = 'In progress'
2373             # Add sub-operation for pre/post-scaling (zero or more operations)
2374             self._add_suboperation(db_nslcmop,
2375                                    vnf_index,
2376                                    vdu_id,
2377                                    vdu_count_index,
2378                                    vdu_name,
2379                                    vnf_config_primitive,
2380                                    primitive_params,
2381                                    operationState,
2382                                    detailed_status,
2383                                    operationType,
2384                                    RO_nsr_id,
2385                                    RO_scaling_info)
2386             return self.SUBOPERATION_STATUS_NEW
2387         else:
2388             # Return either SUBOPERATION_STATUS_SKIP (operationState == 'COMPLETED'),
2389             # or op_index (operationState != 'COMPLETED')
2390             return self._reintent_or_skip_suboperation(db_nslcmop, op_index)
2391
2392     # Function to return execution_environment id
2393
2394     def _get_ee_id(self, vnf_index, vdu_id, vca_deployed_list):
2395         for vca in vca_deployed_list:
2396             if vca["member-vnf-index"] == vnf_index and vca["vdu_id"] == vdu_id:
2397                 return vca["ee_id"]
2398
2399     # Helper methods for terminate()
2400
2401     async def _terminate_action(self, db_nslcmop, nslcmop_id, nsr_id):
2402         """ Create a primitive with params from VNFD
2403             Called from terminate() before deleting instance
2404             Calls action() to execute the primitive """
2405         logging_text = "Task ns={} _terminate_action={} ".format(nsr_id, nslcmop_id)
2406         db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
2407         vca_deployed_list = db_nsr["_admin"]["deployed"]["VCA"]
2408         db_vnfrs_list = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id})
2409         db_vnfds = {}
2410         # Loop over VNFRs
2411         for vnfr in db_vnfrs_list:
2412             vnfd_id = vnfr["vnfd-id"]
2413             vnf_index = vnfr["member-vnf-index-ref"]
2414             if vnfd_id not in db_vnfds:
2415                 step = "Getting vnfd={} id='{}' from db".format(vnfd_id, vnfd_id)
2416                 vnfd = self.db.get_one("vnfds", {"_id": vnfd_id})
2417                 db_vnfds[vnfd_id] = vnfd
2418             vnfd = db_vnfds[vnfd_id]
2419             if not self._has_terminate_config_primitive(vnfd):
2420                 continue
2421             # Get the primitive's sorted sequence list
2422             seq_list = self._get_terminate_config_primitive_seq_list(vnfd)
2423             for seq in seq_list:
2424                 # For each sequence in list, get primitive and call _ns_execute_primitive()
2425                 step = "Calling terminate action for vnf_member_index={} primitive={}".format(
2426                     vnf_index, seq.get("name"))
2427                 self.logger.debug(logging_text + step)
2428                 # Create the primitive for each sequence, i.e. "primitive": "touch"
2429                 primitive = seq.get('name')
2430                 mapped_primitive_params = self._get_terminate_primitive_params(seq, vnf_index)
2431                 # The following 3 parameters are currently set to None for 'terminate':
2432                 # vdu_id, vdu_count_index, vdu_name
2433                 vdu_id = db_nslcmop["operationParams"].get("vdu_id")
2434                 vdu_count_index = db_nslcmop["operationParams"].get("vdu_count_index")
2435                 vdu_name = db_nslcmop["operationParams"].get("vdu_name")
2436                 # Add sub-operation
2437                 self._add_suboperation(db_nslcmop,
2438                                        nslcmop_id,
2439                                        vnf_index,
2440                                        vdu_id,
2441                                        vdu_count_index,
2442                                        vdu_name,
2443                                        primitive,
2444                                        mapped_primitive_params)
2445                 # Sub-operations: Call _ns_execute_primitive() instead of action()
2446                 # db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
2447                 # nsr_deployed = db_nsr["_admin"]["deployed"]
2448
2449                 # nslcmop_operation_state, nslcmop_operation_state_detail = await self.action(
2450                 #    nsr_id, nslcmop_terminate_action_id)
2451                 # Launch Exception if action() returns other than ['COMPLETED', 'PARTIALLY_COMPLETED']
2452                 # result_ok = ['COMPLETED', 'PARTIALLY_COMPLETED']
2453                 # if result not in result_ok:
2454                 #     raise LcmException(
2455                 #         "terminate_primitive_action for vnf_member_index={}",
2456                 #         " primitive={} fails with error {}".format(
2457                 #             vnf_index, seq.get("name"), result_detail))
2458
2459                 ee_id = self._get_ee_id(vnf_index, vdu_id, vca_deployed_list)
2460                 try:
2461                     await self.n2vc.exec_primitive(
2462                         ee_id=ee_id,
2463                         primitive_name=primitive,
2464                         params_dict=mapped_primitive_params
2465                     )
2466                 except Exception as e:
2467                     self.logger.error('Error executing primitive {}: {}'.format(primitive, e))
2468                     raise LcmException(
2469                         "terminate_primitive_action for vnf_member_index={}, primitive={} fails with error {}"
2470                         .format(vnf_index, seq.get("name"), e),
2471                     )
2472
2473     async def _delete_N2VC(self, nsr_id: str):
2474         self._write_all_config_status(nsr_id=nsr_id, status='TERMINATING')
2475         namespace = "." + nsr_id
2476         await self.n2vc.delete_namespace(namespace=namespace)
2477         self._write_all_config_status(nsr_id=nsr_id, status='DELETED')
2478
2479     async def terminate(self, nsr_id, nslcmop_id):
2480
2481         # Try to lock HA task here
2482         task_is_locked_by_me = self.lcm_tasks.lock_HA('ns', 'nslcmops', nslcmop_id)
2483         if not task_is_locked_by_me:
2484             return
2485
2486         logging_text = "Task ns={} terminate={} ".format(nsr_id, nslcmop_id)
2487         self.logger.debug(logging_text + "Enter")
2488         db_nsr = None
2489         db_nslcmop = None
2490         exc = None
2491         failed_detail = []   # annotates all failed error messages
2492         db_nsr_update = {"_admin.nslcmop": nslcmop_id,
2493                          "_admin.current-operation": nslcmop_id,
2494                          "_admin.operation-type": "terminate"}
2495         self.update_db_2("nsrs", nsr_id, db_nsr_update)
2496         db_nslcmop_update = {}
2497         nslcmop_operation_state = None
2498         autoremove = False  # autoremove after terminated
2499         pending_tasks = []
2500         try:
2501             # wait for any previous tasks in process
2502             step = "Waiting for previous operations to terminate"
2503             await self.lcm_tasks.waitfor_related_HA("ns", 'nslcmops', nslcmop_id)
2504
2505             self._write_ns_status(
2506                 nsr_id=nsr_id,
2507                 ns_state="TERMINATING",
2508                 current_operation="TERMINATING",
2509                 current_operation_id=nslcmop_id
2510             )
2511             self._write_op_status(
2512                 op_id=nslcmop_id,
2513                 queuePosition=0
2514             )
2515
2516             step = "Getting nslcmop={} from db".format(nslcmop_id)
2517             db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
2518             step = "Getting nsr={} from db".format(nsr_id)
2519             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
2520             # nsd = db_nsr["nsd"]
2521             nsr_deployed = deepcopy(db_nsr["_admin"].get("deployed"))
2522             if db_nsr["_admin"]["nsState"] == "NOT_INSTANTIATED":
2523                 return
2524             # #TODO check if VIM is creating and wait
2525             # RO_vim_id = db_vim["_admin"]["deployed"]["RO"]
2526             # Call internal terminate action
2527             await self._terminate_action(db_nslcmop, nslcmop_id, nsr_id)
2528
2529             pending_tasks = []
2530
2531             db_nsr_update["operational-status"] = "terminating"
2532             db_nsr_update["config-status"] = "terminating"
2533
2534             # remove NS
2535             try:
2536                 step = "delete execution environment"
2537                 self.logger.debug(logging_text + step)
2538
2539                 task_delete_ee = asyncio.ensure_future(self._delete_N2VC(nsr_id=nsr_id))
2540                 # task_delete_ee = asyncio.ensure_future(self.n2vc.delete_namespace(namespace="." + nsr_id))
2541
2542                 pending_tasks.append(task_delete_ee)
2543             except Exception as e:
2544                 msg = "Failed while deleting ns={} in VCA: {}".format(nsr_id, e)
2545                 self.logger.error(msg)
2546                 failed_detail.append(msg)
2547
2548             try:
2549                 # Delete from k8scluster
2550                 step = "delete kdus"
2551                 self.logger.debug(logging_text + step)
2552                 # print(nsr_deployed)
2553                 if nsr_deployed:
2554                     for kdu in nsr_deployed.get("K8s", ()):
2555                         kdu_instance = kdu.get("kdu-instance")
2556                         if not kdu_instance:
2557                             continue
2558                         if kdu.get("k8scluster-type") == "chart":
2559                             task_delete_kdu_instance = asyncio.ensure_future(
2560                                 self.k8sclusterhelm.uninstall(cluster_uuid=kdu.get("k8scluster-uuid"),
2561                                                               kdu_instance=kdu_instance))
2562                         elif kdu.get("k8scluster-type") == "juju":
2563                             task_delete_kdu_instance = asyncio.ensure_future(
2564                                 self.k8sclusterjuju.uninstall(cluster_uuid=kdu.get("k8scluster-uuid"),
2565                                                               kdu_instance=kdu_instance))
2566                         else:
2567                             self.error(logging_text + "Unknown k8s deployment type {}".
2568                                        format(kdu.get("k8scluster-type")))
2569                             continue
2570                         pending_tasks.append(task_delete_kdu_instance)
2571             except LcmException as e:
2572                 msg = "Failed while deleting KDUs from ns={}: {}".format(nsr_id, e)
2573                 self.logger.error(msg)
2574                 failed_detail.append(msg)
2575
2576             # remove from RO
2577             RO_fail = False
2578
2579             # Delete ns
2580             RO_nsr_id = RO_delete_action = None
2581             if nsr_deployed and nsr_deployed.get("RO"):
2582                 RO_nsr_id = nsr_deployed["RO"].get("nsr_id")
2583                 RO_delete_action = nsr_deployed["RO"].get("nsr_delete_action_id")
2584             try:
2585                 if RO_nsr_id:
2586                     step = db_nsr_update["detailed-status"] = db_nslcmop_update["detailed-status"] = \
2587                         "Deleting ns from VIM"
2588                     self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
2589                     self.update_db_2("nsrs", nsr_id, db_nsr_update)
2590                     self.logger.debug(logging_text + step)
2591                     desc = await self.RO.delete("ns", RO_nsr_id)
2592                     RO_delete_action = desc["action_id"]
2593                     db_nsr_update["_admin.deployed.RO.nsr_delete_action_id"] = RO_delete_action
2594                     db_nsr_update["_admin.deployed.RO.nsr_id"] = None
2595                     db_nsr_update["_admin.deployed.RO.nsr_status"] = "DELETED"
2596                 if RO_delete_action:
2597                     # wait until NS is deleted from VIM
2598                     step = detailed_status = "Waiting ns deleted from VIM. RO_id={} RO_delete_action={}".\
2599                         format(RO_nsr_id, RO_delete_action)
2600                     detailed_status_old = None
2601                     self.logger.debug(logging_text + step)
2602
2603                     delete_timeout = 20 * 60   # 20 minutes
2604                     while delete_timeout > 0:
2605                         desc = await self.RO.show(
2606                             "ns",
2607                             item_id_name=RO_nsr_id,
2608                             extra_item="action",
2609                             extra_item_id=RO_delete_action)
2610
2611                         # deploymentStatus
2612                         self._on_update_ro_db(nsrs_id=nsr_id, ro_descriptor=desc)
2613
2614                         ns_status, ns_status_info = self.RO.check_action_status(desc)
2615                         if ns_status == "ERROR":
2616                             raise ROclient.ROClientException(ns_status_info)
2617                         elif ns_status == "BUILD":
2618                             detailed_status = step + "; {}".format(ns_status_info)
2619                         elif ns_status == "ACTIVE":
2620                             db_nsr_update["_admin.deployed.RO.nsr_delete_action_id"] = None
2621                             db_nsr_update["_admin.deployed.RO.nsr_status"] = "DELETED"
2622                             break
2623                         else:
2624                             assert False, "ROclient.check_action_status returns unknown {}".format(ns_status)
2625                         if detailed_status != detailed_status_old:
2626                             detailed_status_old = db_nslcmop_update["detailed-status"] = \
2627                                 db_nsr_update["detailed-status"] = detailed_status
2628                             self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
2629                             self.update_db_2("nsrs", nsr_id, db_nsr_update)
2630                         await asyncio.sleep(5, loop=self.loop)
2631                         delete_timeout -= 5
2632                     else:  # delete_timeout <= 0:
2633                         raise ROclient.ROClientException("Timeout waiting ns deleted from VIM")
2634
2635             except ROclient.ROClientException as e:
2636                 if e.http_code == 404:  # not found
2637                     db_nsr_update["_admin.deployed.RO.nsr_id"] = None
2638                     db_nsr_update["_admin.deployed.RO.nsr_status"] = "DELETED"
2639                     db_nsr_update["_admin.deployed.RO.nsr_delete_action_id"] = None
2640                     self.logger.debug(logging_text + "RO_ns_id={} already deleted".format(RO_nsr_id))
2641                 elif e.http_code == 409:   # conflict
2642                     failed_detail.append("RO_ns_id={} delete conflict: {}".format(RO_nsr_id, e))
2643                     self.logger.debug(logging_text + failed_detail[-1])
2644                     RO_fail = True
2645                 else:
2646                     failed_detail.append("RO_ns_id={} delete error: {}".format(RO_nsr_id, e))
2647                     self.logger.error(logging_text + failed_detail[-1])
2648                     RO_fail = True
2649
2650             # Delete nsd
2651             if not RO_fail and nsr_deployed and nsr_deployed.get("RO") and nsr_deployed["RO"].get("nsd_id"):
2652                 RO_nsd_id = nsr_deployed["RO"]["nsd_id"]
2653                 try:
2654                     step = db_nsr_update["detailed-status"] = db_nslcmop_update["detailed-status"] =\
2655                         "Deleting nsd from RO"
2656                     await self.RO.delete("nsd", RO_nsd_id)
2657                     self.logger.debug(logging_text + "RO_nsd_id={} deleted".format(RO_nsd_id))
2658                     db_nsr_update["_admin.deployed.RO.nsd_id"] = None
2659                 except ROclient.ROClientException as e:
2660                     if e.http_code == 404:  # not found
2661                         db_nsr_update["_admin.deployed.RO.nsd_id"] = None
2662                         self.logger.debug(logging_text + "RO_nsd_id={} already deleted".format(RO_nsd_id))
2663                     elif e.http_code == 409:   # conflict
2664                         failed_detail.append("RO_nsd_id={} delete conflict: {}".format(RO_nsd_id, e))
2665                         self.logger.debug(logging_text + failed_detail[-1])
2666                         RO_fail = True
2667                     else:
2668                         failed_detail.append("RO_nsd_id={} delete error: {}".format(RO_nsd_id, e))
2669                         self.logger.error(logging_text + failed_detail[-1])
2670                         RO_fail = True
2671
2672             if not RO_fail and nsr_deployed and nsr_deployed.get("RO") and nsr_deployed["RO"].get("vnfd"):
2673                 for index, vnf_deployed in enumerate(nsr_deployed["RO"]["vnfd"]):
2674                     if not vnf_deployed or not vnf_deployed["id"]:
2675                         continue
2676                     try:
2677                         RO_vnfd_id = vnf_deployed["id"]
2678                         step = db_nsr_update["detailed-status"] = db_nslcmop_update["detailed-status"] =\
2679                             "Deleting member_vnf_index={} RO_vnfd_id={} from RO".format(
2680                                 vnf_deployed["member-vnf-index"], RO_vnfd_id)
2681                         await self.RO.delete("vnfd", RO_vnfd_id)
2682                         self.logger.debug(logging_text + "RO_vnfd_id={} deleted".format(RO_vnfd_id))
2683                         db_nsr_update["_admin.deployed.RO.vnfd.{}.id".format(index)] = None
2684                     except ROclient.ROClientException as e:
2685                         if e.http_code == 404:  # not found
2686                             db_nsr_update["_admin.deployed.RO.vnfd.{}.id".format(index)] = None
2687                             self.logger.debug(logging_text + "RO_vnfd_id={} already deleted ".format(RO_vnfd_id))
2688                         elif e.http_code == 409:   # conflict
2689                             failed_detail.append("RO_vnfd_id={} delete conflict: {}".format(RO_vnfd_id, e))
2690                             self.logger.debug(logging_text + failed_detail[-1])
2691                         else:
2692                             failed_detail.append("RO_vnfd_id={} delete error: {}".format(RO_vnfd_id, e))
2693                             self.logger.error(logging_text + failed_detail[-1])
2694
2695             if failed_detail:
2696                 terminate_ok = False
2697                 self.logger.error(logging_text + " ;".join(failed_detail))
2698                 db_nsr_update["operational-status"] = "failed"
2699                 db_nsr_update["detailed-status"] = "Deletion errors " + "; ".join(failed_detail)
2700                 db_nslcmop_update["detailed-status"] = "; ".join(failed_detail)
2701                 db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED"
2702                 db_nslcmop_update["statusEnteredTime"] = time()
2703             else:
2704                 terminate_ok = True
2705                 db_nsr_update["operational-status"] = "terminated"
2706                 db_nsr_update["detailed-status"] = "Done"
2707                 db_nsr_update["_admin.nsState"] = "NOT_INSTANTIATED"
2708                 db_nslcmop_update["detailed-status"] = "Done"
2709                 db_nslcmop_update["operationState"] = nslcmop_operation_state = "COMPLETED"
2710                 db_nslcmop_update["statusEnteredTime"] = time()
2711                 if db_nslcmop["operationParams"].get("autoremove"):
2712                     autoremove = True
2713
2714         except (ROclient.ROClientException, DbException, LcmException) as e:
2715             self.logger.error(logging_text + "Exit Exception {}".format(e))
2716             exc = e
2717         except asyncio.CancelledError:
2718             self.logger.error(logging_text + "Cancelled Exception while '{}'".format(step))
2719             exc = "Operation was cancelled"
2720         except Exception as e:
2721             exc = traceback.format_exc()
2722             self.logger.critical(logging_text + "Exit Exception {}".format(e), exc_info=True)
2723         finally:
2724             if exc and db_nslcmop:
2725                 db_nslcmop_update["detailed-status"] = "FAILED {}: {}".format(step, exc)
2726                 db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED"
2727                 db_nslcmop_update["statusEnteredTime"] = time()
2728             try:
2729                 if db_nslcmop and db_nslcmop_update:
2730                     self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
2731                 if db_nsr:
2732                     db_nsr_update["_admin.nslcmop"] = None
2733                     db_nsr_update["_admin.current-operation"] = None
2734                     db_nsr_update["_admin.operation-type"] = None
2735                     self.update_db_2("nsrs", nsr_id, db_nsr_update)
2736
2737                     if terminate_ok:
2738                         ns_state = "IDLE"
2739                         error_description = None
2740                         error_detail = None
2741                     else:
2742                         ns_state = "BROKEN"
2743                         error_detail = "; ".join(failed_detail)
2744                         error_description = 'Operation: TERMINATING.{}, step: {}. Detail: {}'\
2745                             .format(nslcmop_id, step, error_detail)
2746
2747                     self._write_ns_status(
2748                         nsr_id=nsr_id,
2749                         ns_state=ns_state,
2750                         current_operation="IDLE",
2751                         current_operation_id=None,
2752                         error_description=error_description
2753                     )
2754
2755                     self._write_op_status(
2756                         op_id=nslcmop_id,
2757                         error_message=error_description
2758                     )
2759
2760             except DbException as e:
2761                 self.logger.error(logging_text + "Cannot update database: {}".format(e))
2762             if nslcmop_operation_state:
2763                 try:
2764                     await self.msg.aiowrite("ns", "terminated", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,
2765                                                                  "operationState": nslcmop_operation_state,
2766                                                                  "autoremove": autoremove},
2767                                             loop=self.loop)
2768                 except Exception as e:
2769                     self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
2770
2771             # wait for pending tasks
2772             done = None
2773             pending = None
2774             if pending_tasks:
2775                 self.logger.debug(logging_text + 'Waiting for terminate pending tasks...')
2776                 done, pending = await asyncio.wait(pending_tasks, timeout=3600)
2777                 if not pending:
2778                     self.logger.debug(logging_text + 'All tasks finished...')
2779                 else:
2780                     self.logger.info(logging_text + 'There are pending tasks: {}'.format(pending))
2781
2782             self.logger.debug(logging_text + "Exit")
2783             self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_terminate")
2784
2785     @staticmethod
2786     def _map_primitive_params(primitive_desc, params, instantiation_params):
2787         """
2788         Generates the params to be provided to charm before executing primitive. If user does not provide a parameter,
2789         The default-value is used. If it is between < > it look for a value at instantiation_params
2790         :param primitive_desc: portion of VNFD/NSD that describes primitive
2791         :param params: Params provided by user
2792         :param instantiation_params: Instantiation params provided by user
2793         :return: a dictionary with the calculated params
2794         """
2795         calculated_params = {}
2796         for parameter in primitive_desc.get("parameter", ()):
2797             param_name = parameter["name"]
2798             if param_name in params:
2799                 calculated_params[param_name] = params[param_name]
2800             elif "default-value" in parameter or "value" in parameter:
2801                 if "value" in parameter:
2802                     calculated_params[param_name] = parameter["value"]
2803                 else:
2804                     calculated_params[param_name] = parameter["default-value"]
2805                 if isinstance(calculated_params[param_name], str) and calculated_params[param_name].startswith("<") \
2806                         and calculated_params[param_name].endswith(">"):
2807                     if calculated_params[param_name][1:-1] in instantiation_params:
2808                         calculated_params[param_name] = instantiation_params[calculated_params[param_name][1:-1]]
2809                     else:
2810                         raise LcmException("Parameter {} needed to execute primitive {} not provided".
2811                                            format(calculated_params[param_name], primitive_desc["name"]))
2812             else:
2813                 raise LcmException("Parameter {} needed to execute primitive {} not provided".
2814                                    format(param_name, primitive_desc["name"]))
2815
2816             if isinstance(calculated_params[param_name], (dict, list, tuple)):
2817                 calculated_params[param_name] = yaml.safe_dump(calculated_params[param_name], default_flow_style=True,
2818                                                                width=256)
2819             elif isinstance(calculated_params[param_name], str) and calculated_params[param_name].startswith("!!yaml "):
2820                 calculated_params[param_name] = calculated_params[param_name][7:]
2821
2822         # add always ns_config_info if primitive name is config
2823         if primitive_desc["name"] == "config":
2824             if "ns_config_info" in instantiation_params:
2825                 calculated_params["ns_config_info"] = instantiation_params["ns_config_info"]
2826         return calculated_params
2827
2828     async def _ns_execute_primitive(self, db_deployed, member_vnf_index, vdu_id, vdu_name, vdu_count_index,
2829                                     primitive, primitive_params, retries=0, retries_interval=30) -> (str, str):
2830
2831         # find vca_deployed record for this action
2832         try:
2833             for vca_deployed in db_deployed["VCA"]:
2834                 if not vca_deployed:
2835                     continue
2836                 if member_vnf_index != vca_deployed["member-vnf-index"] or vdu_id != vca_deployed["vdu_id"]:
2837                     continue
2838                 if vdu_name and vdu_name != vca_deployed["vdu_name"]:
2839                     continue
2840                 if vdu_count_index and vdu_count_index != vca_deployed["vdu_count_index"]:
2841                     continue
2842                 break
2843             else:
2844                 # vca_deployed not found
2845                 raise LcmException("charm for member_vnf_index={} vdu_id={} vdu_name={} vdu_count_index={} is not "
2846                                    "deployed".format(member_vnf_index, vdu_id, vdu_name, vdu_count_index))
2847
2848             # get ee_id
2849             ee_id = vca_deployed.get("ee_id")
2850             if not ee_id:
2851                 raise LcmException("charm for member_vnf_index={} vdu_id={} vdu_name={} vdu_count_index={} has not "
2852                                    "execution environment"
2853                                    .format(member_vnf_index, vdu_id, vdu_name, vdu_count_index))
2854
2855             if primitive == "config":
2856                 primitive_params = {"params": primitive_params}
2857
2858             while retries >= 0:
2859                 try:
2860                     output = await self.n2vc.exec_primitive(
2861                         ee_id=ee_id,
2862                         primitive_name=primitive,
2863                         params_dict=primitive_params
2864                     )
2865                     # execution was OK
2866                     break
2867                 except Exception as e:
2868                     retries -= 1
2869                     if retries >= 0:
2870                         self.logger.debug('Error executing action {} on {} -> {}'.format(primitive, ee_id, e))
2871                         # wait and retry
2872                         await asyncio.sleep(retries_interval, loop=self.loop)
2873                     else:
2874                         return 'Cannot execute action {} on {}: {}'.format(primitive, ee_id, e), 'FAIL'
2875
2876             return output, 'OK'
2877
2878         except Exception as e:
2879             return 'Error executing action {}: {}'.format(primitive, e), 'FAIL'
2880
2881     async def action(self, nsr_id, nslcmop_id):
2882
2883         # Try to lock HA task here
2884         task_is_locked_by_me = self.lcm_tasks.lock_HA('ns', 'nslcmops', nslcmop_id)
2885         if not task_is_locked_by_me:
2886             return
2887
2888         logging_text = "Task ns={} action={} ".format(nsr_id, nslcmop_id)
2889         self.logger.debug(logging_text + "Enter")
2890         # get all needed from database
2891         db_nsr = None
2892         db_nslcmop = None
2893         db_nsr_update = {"_admin.nslcmop": nslcmop_id,
2894                          "_admin.current-operation": nslcmop_id,
2895                          "_admin.operation-type": "action"}
2896         self.update_db_2("nsrs", nsr_id, db_nsr_update)
2897         db_nslcmop_update = {}
2898         nslcmop_operation_state = None
2899         nslcmop_operation_state_detail = None
2900         exc = None
2901         try:
2902             # wait for any previous tasks in process
2903             step = "Waiting for previous operations to terminate"
2904             await self.lcm_tasks.waitfor_related_HA('ns', 'nslcmops', nslcmop_id)
2905
2906             self._write_ns_status(
2907                 nsr_id=nsr_id,
2908                 ns_state=None,
2909                 current_operation="RUNNING ACTION",
2910                 current_operation_id=nslcmop_id
2911             )
2912
2913             step = "Getting information from database"
2914             db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
2915             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
2916
2917             nsr_deployed = db_nsr["_admin"].get("deployed")
2918             vnf_index = db_nslcmop["operationParams"].get("member_vnf_index")
2919             vdu_id = db_nslcmop["operationParams"].get("vdu_id")
2920             kdu_name = db_nslcmop["operationParams"].get("kdu_name")
2921             vdu_count_index = db_nslcmop["operationParams"].get("vdu_count_index")
2922             vdu_name = db_nslcmop["operationParams"].get("vdu_name")
2923
2924             if vnf_index:
2925                 step = "Getting vnfr from database"
2926                 db_vnfr = self.db.get_one("vnfrs", {"member-vnf-index-ref": vnf_index, "nsr-id-ref": nsr_id})
2927                 step = "Getting vnfd from database"
2928                 db_vnfd = self.db.get_one("vnfds", {"_id": db_vnfr["vnfd-id"]})
2929             else:
2930                 if db_nsr.get("nsd"):
2931                     db_nsd = db_nsr.get("nsd")    # TODO this will be removed
2932                 else:
2933                     step = "Getting nsd from database"
2934                     db_nsd = self.db.get_one("nsds", {"_id": db_nsr["nsd-id"]})
2935
2936             # for backward compatibility
2937             if nsr_deployed and isinstance(nsr_deployed.get("VCA"), dict):
2938                 nsr_deployed["VCA"] = list(nsr_deployed["VCA"].values())
2939                 db_nsr_update["_admin.deployed.VCA"] = nsr_deployed["VCA"]
2940                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
2941
2942             primitive = db_nslcmop["operationParams"]["primitive"]
2943             primitive_params = db_nslcmop["operationParams"]["primitive_params"]
2944
2945             # look for primitive
2946             config_primitive_desc = None
2947             if vdu_id:
2948                 for vdu in get_iterable(db_vnfd, "vdu"):
2949                     if vdu_id == vdu["id"]:
2950                         for config_primitive in vdu.get("vdu-configuration", {}).get("config-primitive", ()):
2951                             if config_primitive["name"] == primitive:
2952                                 config_primitive_desc = config_primitive
2953                                 break
2954             elif kdu_name:
2955                 self.logger.debug(logging_text + "Checking actions in KDUs")
2956                 kdur = next((x for x in db_vnfr["kdur"] if x["kdu-name"] == kdu_name), None)
2957                 desc_params = self._format_additional_params(kdur.get("additionalParams")) or {}
2958                 if primitive_params:
2959                     desc_params.update(primitive_params)
2960                 # TODO Check if we will need something at vnf level
2961                 index = 0
2962                 for kdu in get_iterable(nsr_deployed, "K8s"):
2963                     if kdu_name == kdu["kdu-name"]:
2964                         db_dict = {"collection": "nsrs", "filter": {"_id": nsr_id},
2965                                    "path": "_admin.deployed.K8s.{}".format(index)}
2966                         if primitive == "upgrade":
2967                             if desc_params.get("kdu_model"):
2968                                 kdu_model = desc_params.get("kdu_model")
2969                                 del desc_params["kdu_model"]
2970                             else:
2971                                 kdu_model = kdu.get("kdu-model")
2972                                 parts = kdu_model.split(sep=":")
2973                                 if len(parts) == 2:
2974                                     kdu_model = parts[0]
2975
2976                             if kdu.get("k8scluster-type") == "chart":
2977                                 output = await self.k8sclusterhelm.upgrade(cluster_uuid=kdu.get("k8scluster-uuid"),
2978                                                                            kdu_instance=kdu.get("kdu-instance"),
2979                                                                            atomic=True, kdu_model=kdu_model,
2980                                                                            params=desc_params, db_dict=db_dict,
2981                                                                            timeout=300)
2982                             elif kdu.get("k8scluster-type") == "juju":
2983                                 output = await self.k8sclusterjuju.upgrade(cluster_uuid=kdu.get("k8scluster-uuid"),
2984                                                                            kdu_instance=kdu.get("kdu-instance"),
2985                                                                            atomic=True, kdu_model=kdu_model,
2986                                                                            params=desc_params, db_dict=db_dict,
2987                                                                            timeout=300)
2988
2989                             else:
2990                                 msg = "k8scluster-type not defined"
2991                                 raise LcmException(msg)
2992
2993                             self.logger.debug(logging_text + " Upgrade of kdu {} done".format(output))
2994                             break
2995                         elif primitive == "rollback":
2996                             if kdu.get("k8scluster-type") == "chart":
2997                                 output = await self.k8sclusterhelm.rollback(cluster_uuid=kdu.get("k8scluster-uuid"),
2998                                                                             kdu_instance=kdu.get("kdu-instance"),
2999                                                                             db_dict=db_dict)
3000                             elif kdu.get("k8scluster-type") == "juju":
3001                                 output = await self.k8sclusterjuju.rollback(cluster_uuid=kdu.get("k8scluster-uuid"),
3002                                                                             kdu_instance=kdu.get("kdu-instance"),
3003                                                                             db_dict=db_dict)
3004                             else:
3005                                 msg = "k8scluster-type not defined"
3006                                 raise LcmException(msg)
3007                             break
3008                         elif primitive == "status":
3009                             if kdu.get("k8scluster-type") == "chart":
3010                                 output = await self.k8sclusterhelm.status_kdu(cluster_uuid=kdu.get("k8scluster-uuid"),
3011                                                                               kdu_instance=kdu.get("kdu-instance"))
3012                             elif kdu.get("k8scluster-type") == "juju":
3013                                 output = await self.k8sclusterjuju.status_kdu(cluster_uuid=kdu.get("k8scluster-uuid"),
3014                                                                               kdu_instance=kdu.get("kdu-instance"))
3015                             else:
3016                                 msg = "k8scluster-type not defined"
3017                                 raise LcmException(msg)
3018                             break
3019                     index += 1
3020
3021                 else:
3022                     raise LcmException("KDU '{}' not found".format(kdu_name))
3023                 if output:
3024                     db_nslcmop_update["detailed-status"] = output
3025                     db_nslcmop_update["operationState"] = 'COMPLETED'
3026                     db_nslcmop_update["statusEnteredTime"] = time()
3027                 else:
3028                     db_nslcmop_update["detailed-status"] = ''
3029                     db_nslcmop_update["operationState"] = 'FAILED'
3030                     db_nslcmop_update["statusEnteredTime"] = time()
3031                 return
3032             elif vnf_index:
3033                 for config_primitive in db_vnfd.get("vnf-configuration", {}).get("config-primitive", ()):
3034                     if config_primitive["name"] == primitive:
3035                         config_primitive_desc = config_primitive
3036                         break
3037             else:
3038                 for config_primitive in db_nsd.get("ns-configuration", {}).get("config-primitive", ()):
3039                     if config_primitive["name"] == primitive:
3040                         config_primitive_desc = config_primitive
3041                         break
3042
3043             if not config_primitive_desc:
3044                 raise LcmException("Primitive {} not found at [ns|vnf|vdu]-configuration:config-primitive ".
3045                                    format(primitive))
3046
3047             desc_params = {}
3048             if vnf_index:
3049                 if db_vnfr.get("additionalParamsForVnf"):
3050                     desc_params = self._format_additional_params(db_vnfr["additionalParamsForVnf"])
3051                 if vdu_id:
3052                     vdur = next((x for x in db_vnfr["vdur"] if x["vdu-id-ref"] == vdu_id), None)
3053                     if vdur.get("additionalParams"):
3054                         desc_params = self._format_additional_params(vdur["additionalParams"])
3055             else:
3056                 if db_nsr.get("additionalParamsForNs"):
3057                     desc_params.update(self._format_additional_params(db_nsr["additionalParamsForNs"]))
3058
3059             # TODO check if ns is in a proper status
3060             output, detail = await self._ns_execute_primitive(
3061                 db_deployed=nsr_deployed,
3062                 member_vnf_index=vnf_index,
3063                 vdu_id=vdu_id,
3064                 vdu_name=vdu_name,
3065                 vdu_count_index=vdu_count_index,
3066                 primitive=primitive,
3067                 primitive_params=self._map_primitive_params(config_primitive_desc, primitive_params, desc_params))
3068
3069             detailed_status = output
3070             if detail == 'OK':
3071                 result = 'COMPLETED'
3072             else:
3073                 result = 'FAILED'
3074
3075             db_nslcmop_update["detailed-status"] = nslcmop_operation_state_detail = detailed_status
3076             db_nslcmop_update["operationState"] = nslcmop_operation_state = result
3077             db_nslcmop_update["statusEnteredTime"] = time()
3078             self.logger.debug(logging_text + " task Done with result {} {}".format(result, detailed_status))
3079             return  # database update is called inside finally
3080
3081         except (DbException, LcmException) as e:
3082             self.logger.error(logging_text + "Exit Exception {}".format(e))
3083             exc = e
3084         except asyncio.CancelledError:
3085             self.logger.error(logging_text + "Cancelled Exception while '{}'".format(step))
3086             exc = "Operation was cancelled"
3087         except Exception as e:
3088             exc = traceback.format_exc()
3089             self.logger.critical(logging_text + "Exit Exception {} {}".format(type(e).__name__, e), exc_info=True)
3090         finally:
3091             if exc and db_nslcmop:
3092                 db_nslcmop_update["detailed-status"] = nslcmop_operation_state_detail = \
3093                     "FAILED {}: {}".format(step, exc)
3094                 db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED"
3095                 db_nslcmop_update["statusEnteredTime"] = time()
3096             try:
3097                 if db_nslcmop_update:
3098                     self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
3099                 if db_nsr:
3100                     db_nsr_update["_admin.nslcmop"] = None
3101                     db_nsr_update["_admin.operation-type"] = None
3102                     db_nsr_update["_admin.nslcmop"] = None
3103                     db_nsr_update["_admin.current-operation"] = None
3104                     self.update_db_2("nsrs", nsr_id, db_nsr_update)
3105                     self._write_ns_status(
3106                         nsr_id=nsr_id,
3107                         ns_state=None,
3108                         current_operation="IDLE",
3109                         current_operation_id=None
3110                     )
3111                     if exc:
3112                         self._write_op_status(
3113                             op_id=nslcmop_id,
3114                             error_message=nslcmop_operation_state_detail
3115                         )
3116             except DbException as e:
3117                 self.logger.error(logging_text + "Cannot update database: {}".format(e))
3118             self.logger.debug(logging_text + "Exit")
3119             if nslcmop_operation_state:
3120                 try:
3121                     await self.msg.aiowrite("ns", "actioned", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,
3122                                                                "operationState": nslcmop_operation_state},
3123                                             loop=self.loop)
3124                 except Exception as e:
3125                     self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
3126             self.logger.debug(logging_text + "Exit")
3127             self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_action")
3128             return nslcmop_operation_state, nslcmop_operation_state_detail
3129
3130     async def scale(self, nsr_id, nslcmop_id):
3131
3132         # Try to lock HA task here
3133         task_is_locked_by_me = self.lcm_tasks.lock_HA('ns', 'nslcmops', nslcmop_id)
3134         if not task_is_locked_by_me:
3135             return
3136
3137         logging_text = "Task ns={} scale={} ".format(nsr_id, nslcmop_id)
3138         self.logger.debug(logging_text + "Enter")
3139         # get all needed from database
3140         db_nsr = None
3141         db_nslcmop = None
3142         db_nslcmop_update = {}
3143         nslcmop_operation_state = None
3144         db_nsr_update = {"_admin.nslcmop": nslcmop_id,
3145                          "_admin.current-operation": nslcmop_id,
3146                          "_admin.operation-type": "scale"}
3147         self.update_db_2("nsrs", nsr_id, db_nsr_update)
3148         exc = None
3149         # in case of error, indicates what part of scale was failed to put nsr at error status
3150         scale_process = None
3151         old_operational_status = ""
3152         old_config_status = ""
3153         vnfr_scaled = False
3154         try:
3155             # wait for any previous tasks in process
3156             step = "Waiting for previous operations to terminate"
3157             await self.lcm_tasks.waitfor_related_HA('ns', 'nslcmops', nslcmop_id)
3158
3159             self._write_ns_status(
3160                 nsr_id=nsr_id,
3161                 ns_state=None,
3162                 current_operation="SCALING",
3163                 current_operation_id=nslcmop_id
3164             )
3165
3166             step = "Getting nslcmop from database"
3167             self.logger.debug(step + " after having waited for previous tasks to be completed")
3168             db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
3169             step = "Getting nsr from database"
3170             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
3171
3172             old_operational_status = db_nsr["operational-status"]
3173             old_config_status = db_nsr["config-status"]
3174             step = "Parsing scaling parameters"
3175             # self.logger.debug(step)
3176             db_nsr_update["operational-status"] = "scaling"
3177             self.update_db_2("nsrs", nsr_id, db_nsr_update)
3178             nsr_deployed = db_nsr["_admin"].get("deployed")
3179
3180             #######
3181             nsr_deployed = db_nsr["_admin"].get("deployed")
3182             vnf_index = db_nslcmop["operationParams"].get("member_vnf_index")
3183             # vdu_id = db_nslcmop["operationParams"].get("vdu_id")
3184             # vdu_count_index = db_nslcmop["operationParams"].get("vdu_count_index")
3185             # vdu_name = db_nslcmop["operationParams"].get("vdu_name")
3186             #######
3187
3188             RO_nsr_id = nsr_deployed["RO"]["nsr_id"]
3189             vnf_index = db_nslcmop["operationParams"]["scaleVnfData"]["scaleByStepData"]["member-vnf-index"]
3190             scaling_group = db_nslcmop["operationParams"]["scaleVnfData"]["scaleByStepData"]["scaling-group-descriptor"]
3191             scaling_type = db_nslcmop["operationParams"]["scaleVnfData"]["scaleVnfType"]
3192             # scaling_policy = db_nslcmop["operationParams"]["scaleVnfData"]["scaleByStepData"].get("scaling-policy")
3193
3194             # for backward compatibility
3195             if nsr_deployed and isinstance(nsr_deployed.get("VCA"), dict):
3196                 nsr_deployed["VCA"] = list(nsr_deployed["VCA"].values())
3197                 db_nsr_update["_admin.deployed.VCA"] = nsr_deployed["VCA"]
3198                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
3199
3200             step = "Getting vnfr from database"
3201             db_vnfr = self.db.get_one("vnfrs", {"member-vnf-index-ref": vnf_index, "nsr-id-ref": nsr_id})
3202             step = "Getting vnfd from database"
3203             db_vnfd = self.db.get_one("vnfds", {"_id": db_vnfr["vnfd-id"]})
3204
3205             step = "Getting scaling-group-descriptor"
3206             for scaling_descriptor in db_vnfd["scaling-group-descriptor"]:
3207                 if scaling_descriptor["name"] == scaling_group:
3208                     break
3209             else:
3210                 raise LcmException("input parameter 'scaleByStepData':'scaling-group-descriptor':'{}' is not present "
3211                                    "at vnfd:scaling-group-descriptor".format(scaling_group))
3212
3213             # cooldown_time = 0
3214             # for scaling_policy_descriptor in scaling_descriptor.get("scaling-policy", ()):
3215             #     cooldown_time = scaling_policy_descriptor.get("cooldown-time", 0)
3216             #     if scaling_policy and scaling_policy == scaling_policy_descriptor.get("name"):
3217             #         break
3218
3219             # TODO check if ns is in a proper status
3220             step = "Sending scale order to VIM"
3221             nb_scale_op = 0
3222             if not db_nsr["_admin"].get("scaling-group"):
3223                 self.update_db_2("nsrs", nsr_id, {"_admin.scaling-group": [{"name": scaling_group, "nb-scale-op": 0}]})
3224                 admin_scale_index = 0
3225             else:
3226                 for admin_scale_index, admin_scale_info in enumerate(db_nsr["_admin"]["scaling-group"]):
3227                     if admin_scale_info["name"] == scaling_group:
3228                         nb_scale_op = admin_scale_info.get("nb-scale-op", 0)
3229                         break
3230                 else:  # not found, set index one plus last element and add new entry with the name
3231                     admin_scale_index += 1
3232                     db_nsr_update["_admin.scaling-group.{}.name".format(admin_scale_index)] = scaling_group
3233             RO_scaling_info = []
3234             vdu_scaling_info = {"scaling_group_name": scaling_group, "vdu": []}
3235             if scaling_type == "SCALE_OUT":
3236                 # count if max-instance-count is reached
3237                 max_instance_count = scaling_descriptor.get("max-instance-count", 10)
3238                 # self.logger.debug("MAX_INSTANCE_COUNT is {}".format(max_instance_count))
3239                 if nb_scale_op >= max_instance_count:
3240                     raise LcmException("reached the limit of {} (max-instance-count) "
3241                                        "scaling-out operations for the "
3242                                        "scaling-group-descriptor '{}'".format(nb_scale_op, scaling_group))
3243
3244                 nb_scale_op += 1
3245                 vdu_scaling_info["scaling_direction"] = "OUT"
3246                 vdu_scaling_info["vdu-create"] = {}
3247                 for vdu_scale_info in scaling_descriptor["vdu"]:
3248                     RO_scaling_info.append({"osm_vdu_id": vdu_scale_info["vdu-id-ref"], "member-vnf-index": vnf_index,
3249                                             "type": "create", "count": vdu_scale_info.get("count", 1)})
3250                     vdu_scaling_info["vdu-create"][vdu_scale_info["vdu-id-ref"]] = vdu_scale_info.get("count", 1)
3251
3252             elif scaling_type == "SCALE_IN":
3253                 # count if min-instance-count is reached
3254                 min_instance_count = 0
3255                 if "min-instance-count" in scaling_descriptor and scaling_descriptor["min-instance-count"] is not None:
3256                     min_instance_count = int(scaling_descriptor["min-instance-count"])
3257                 if nb_scale_op <= min_instance_count:
3258                     raise LcmException("reached the limit of {} (min-instance-count) scaling-in operations for the "
3259                                        "scaling-group-descriptor '{}'".format(nb_scale_op, scaling_group))
3260                 nb_scale_op -= 1
3261                 vdu_scaling_info["scaling_direction"] = "IN"
3262                 vdu_scaling_info["vdu-delete"] = {}
3263                 for vdu_scale_info in scaling_descriptor["vdu"]:
3264                     RO_scaling_info.append({"osm_vdu_id": vdu_scale_info["vdu-id-ref"], "member-vnf-index": vnf_index,
3265                                             "type": "delete", "count": vdu_scale_info.get("count", 1)})
3266                     vdu_scaling_info["vdu-delete"][vdu_scale_info["vdu-id-ref"]] = vdu_scale_info.get("count", 1)
3267
3268             # update VDU_SCALING_INFO with the VDUs to delete ip_addresses
3269             vdu_create = vdu_scaling_info.get("vdu-create")
3270             vdu_delete = copy(vdu_scaling_info.get("vdu-delete"))
3271             if vdu_scaling_info["scaling_direction"] == "IN":
3272                 for vdur in reversed(db_vnfr["vdur"]):
3273                     if vdu_delete.get(vdur["vdu-id-ref"]):
3274                         vdu_delete[vdur["vdu-id-ref"]] -= 1
3275                         vdu_scaling_info["vdu"].append({
3276                             "name": vdur["name"],
3277                             "vdu_id": vdur["vdu-id-ref"],
3278                             "interface": []
3279                         })
3280                         for interface in vdur["interfaces"]:
3281                             vdu_scaling_info["vdu"][-1]["interface"].append({
3282                                 "name": interface["name"],
3283                                 "ip_address": interface["ip-address"],
3284                                 "mac_address": interface.get("mac-address"),
3285                             })
3286                 vdu_delete = vdu_scaling_info.pop("vdu-delete")
3287
3288             # PRE-SCALE BEGIN
3289             step = "Executing pre-scale vnf-config-primitive"
3290             if scaling_descriptor.get("scaling-config-action"):
3291                 for scaling_config_action in scaling_descriptor["scaling-config-action"]:
3292                     if (scaling_config_action.get("trigger") == "pre-scale-in" and scaling_type == "SCALE_IN") \
3293                        or (scaling_config_action.get("trigger") == "pre-scale-out" and scaling_type == "SCALE_OUT"):
3294                         vnf_config_primitive = scaling_config_action["vnf-config-primitive-name-ref"]
3295                         step = db_nslcmop_update["detailed-status"] = \
3296                             "executing pre-scale scaling-config-action '{}'".format(vnf_config_primitive)
3297
3298                         # look for primitive
3299                         for config_primitive in db_vnfd.get("vnf-configuration", {}).get("config-primitive", ()):
3300                             if config_primitive["name"] == vnf_config_primitive:
3301                                 break
3302                         else:
3303                             raise LcmException(
3304                                 "Invalid vnfd descriptor at scaling-group-descriptor[name='{}']:scaling-config-action"
3305                                 "[vnf-config-primitive-name-ref='{}'] does not match any vnf-configuration:config-"
3306                                 "primitive".format(scaling_group, config_primitive))
3307
3308                         vnfr_params = {"VDU_SCALE_INFO": vdu_scaling_info}
3309                         if db_vnfr.get("additionalParamsForVnf"):
3310                             vnfr_params.update(db_vnfr["additionalParamsForVnf"])
3311
3312                         scale_process = "VCA"
3313                         db_nsr_update["config-status"] = "configuring pre-scaling"
3314                         primitive_params = self._map_primitive_params(config_primitive, {}, vnfr_params)
3315
3316                         # Pre-scale reintent check: Check if this sub-operation has been executed before
3317                         op_index = self._check_or_add_scale_suboperation(
3318                             db_nslcmop, nslcmop_id, vnf_index, vnf_config_primitive, primitive_params, 'PRE-SCALE')
3319                         if (op_index == self.SUBOPERATION_STATUS_SKIP):
3320                             # Skip sub-operation
3321                             result = 'COMPLETED'
3322                             result_detail = 'Done'
3323                             self.logger.debug(logging_text +
3324                                               "vnf_config_primitive={} Skipped sub-operation, result {} {}".format(
3325                                                   vnf_config_primitive, result, result_detail))
3326                         else:
3327                             if (op_index == self.SUBOPERATION_STATUS_NEW):
3328                                 # New sub-operation: Get index of this sub-operation
3329                                 op_index = len(db_nslcmop.get('_admin', {}).get('operations')) - 1
3330                                 self.logger.debug(logging_text + "vnf_config_primitive={} New sub-operation".
3331                                                   format(vnf_config_primitive))
3332                             else:
3333                                 # Reintent:  Get registered params for this existing sub-operation
3334                                 op = db_nslcmop.get('_admin', {}).get('operations', [])[op_index]
3335                                 vnf_index = op.get('member_vnf_index')
3336                                 vnf_config_primitive = op.get('primitive')
3337                                 primitive_params = op.get('primitive_params')
3338                                 self.logger.debug(logging_text + "vnf_config_primitive={} Sub-operation reintent".
3339                                                   format(vnf_config_primitive))
3340                             # Execute the primitive, either with new (first-time) or registered (reintent) args
3341                             result, result_detail = await self._ns_execute_primitive(
3342                                 nsr_deployed, vnf_index, None, None, None, vnf_config_primitive, primitive_params)
3343                             self.logger.debug(logging_text + "vnf_config_primitive={} Done with result {} {}".format(
3344                                 vnf_config_primitive, result, result_detail))
3345                             # Update operationState = COMPLETED | FAILED
3346                             self._update_suboperation_status(
3347                                 db_nslcmop, op_index, result, result_detail)
3348
3349                         if result == "FAILED":
3350                             raise LcmException(result_detail)
3351                         db_nsr_update["config-status"] = old_config_status
3352                         scale_process = None
3353             # PRE-SCALE END
3354
3355             # SCALE RO - BEGIN
3356             # Should this block be skipped if 'RO_nsr_id' == None ?
3357             # if (RO_nsr_id and RO_scaling_info):
3358             if RO_scaling_info:
3359                 scale_process = "RO"
3360                 # Scale RO reintent check: Check if this sub-operation has been executed before
3361                 op_index = self._check_or_add_scale_suboperation(
3362                     db_nslcmop, vnf_index, None, None, 'SCALE-RO', RO_nsr_id, RO_scaling_info)
3363                 if (op_index == self.SUBOPERATION_STATUS_SKIP):
3364                     # Skip sub-operation
3365                     result = 'COMPLETED'
3366                     result_detail = 'Done'
3367                     self.logger.debug(logging_text + "Skipped sub-operation RO, result {} {}".format(
3368                         result, result_detail))
3369                 else:
3370                     if (op_index == self.SUBOPERATION_STATUS_NEW):
3371                         # New sub-operation: Get index of this sub-operation
3372                         op_index = len(db_nslcmop.get('_admin', {}).get('operations')) - 1
3373                         self.logger.debug(logging_text + "New sub-operation RO")
3374                     else:
3375                         # Reintent:  Get registered params for this existing sub-operation
3376                         op = db_nslcmop.get('_admin', {}).get('operations', [])[op_index]
3377                         RO_nsr_id = op.get('RO_nsr_id')
3378                         RO_scaling_info = op.get('RO_scaling_info')
3379                         self.logger.debug(logging_text + "Sub-operation RO reintent".format(
3380                             vnf_config_primitive))
3381
3382                     RO_desc = await self.RO.create_action("ns", RO_nsr_id, {"vdu-scaling": RO_scaling_info})
3383                     db_nsr_update["_admin.scaling-group.{}.nb-scale-op".format(admin_scale_index)] = nb_scale_op
3384                     db_nsr_update["_admin.scaling-group.{}.time".format(admin_scale_index)] = time()
3385                     # wait until ready
3386                     RO_nslcmop_id = RO_desc["instance_action_id"]
3387                     db_nslcmop_update["_admin.deploy.RO"] = RO_nslcmop_id
3388
3389                     RO_task_done = False
3390                     step = detailed_status = "Waiting RO_task_id={} to complete the scale action.".format(RO_nslcmop_id)
3391                     detailed_status_old = None
3392                     self.logger.debug(logging_text + step)
3393
3394                     deployment_timeout = 1 * 3600   # One hour
3395                     while deployment_timeout > 0:
3396                         if not RO_task_done:
3397                             desc = await self.RO.show("ns", item_id_name=RO_nsr_id, extra_item="action",
3398                                                       extra_item_id=RO_nslcmop_id)
3399
3400                             # deploymentStatus
3401                             self._on_update_ro_db(nsrs_id=nsr_id, ro_descriptor=desc)
3402
3403                             ns_status, ns_status_info = self.RO.check_action_status(desc)
3404                             if ns_status == "ERROR":
3405                                 raise ROclient.ROClientException(ns_status_info)
3406                             elif ns_status == "BUILD":
3407                                 detailed_status = step + "; {}".format(ns_status_info)
3408                             elif ns_status == "ACTIVE":
3409                                 RO_task_done = True
3410                                 step = detailed_status = "Waiting ns ready at RO. RO_id={}".format(RO_nsr_id)
3411                                 self.logger.debug(logging_text + step)
3412                             else:
3413                                 assert False, "ROclient.check_action_status returns unknown {}".format(ns_status)
3414                         else:
3415
3416                             if ns_status == "ERROR":
3417                                 raise ROclient.ROClientException(ns_status_info)
3418                             elif ns_status == "BUILD":
3419                                 detailed_status = step + "; {}".format(ns_status_info)
3420                             elif ns_status == "ACTIVE":
3421                                 step = detailed_status = \
3422                                     "Waiting for management IP address reported by the VIM. Updating VNFRs"
3423                                 if not vnfr_scaled:
3424                                     self.scale_vnfr(db_vnfr, vdu_create=vdu_create, vdu_delete=vdu_delete)
3425                                     vnfr_scaled = True
3426                                 try:
3427                                     desc = await self.RO.show("ns", RO_nsr_id)
3428
3429                                     # deploymentStatus
3430                                     self._on_update_ro_db(nsrs_id=nsr_id, ro_descriptor=desc)
3431
3432                                     # nsr_deployed["nsr_ip"] = RO.get_ns_vnf_info(desc)
3433                                     self.ns_update_vnfr({db_vnfr["member-vnf-index-ref"]: db_vnfr}, desc)
3434                                     break
3435                                 except LcmExceptionNoMgmtIP:
3436                                     pass
3437                             else:
3438                                 assert False, "ROclient.check_ns_status returns unknown {}".format(ns_status)
3439                         if detailed_status != detailed_status_old:
3440                             self._update_suboperation_status(
3441                                 db_nslcmop, op_index, 'COMPLETED', detailed_status)
3442                             detailed_status_old = db_nslcmop_update["detailed-status"] = detailed_status
3443                             self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
3444
3445                         await asyncio.sleep(5, loop=self.loop)
3446                         deployment_timeout -= 5
3447                     if deployment_timeout <= 0:
3448                         self._update_suboperation_status(
3449                             db_nslcmop, nslcmop_id, op_index, 'FAILED', "Timeout when waiting for ns to get ready")
3450                         raise ROclient.ROClientException("Timeout waiting ns to be ready")
3451
3452                     # update VDU_SCALING_INFO with the obtained ip_addresses
3453                     if vdu_scaling_info["scaling_direction"] == "OUT":
3454                         for vdur in reversed(db_vnfr["vdur"]):
3455                             if vdu_scaling_info["vdu-create"].get(vdur["vdu-id-ref"]):
3456                                 vdu_scaling_info["vdu-create"][vdur["vdu-id-ref"]] -= 1
3457                                 vdu_scaling_info["vdu"].append({
3458                                     "name": vdur["name"],
3459                                     "vdu_id": vdur["vdu-id-ref"],
3460                                     "interface": []
3461                                 })
3462                                 for interface in vdur["interfaces"]:
3463                                     vdu_scaling_info["vdu"][-1]["interface"].append({
3464                                         "name": interface["name"],
3465                                         "ip_address": interface["ip-address"],
3466                                         "mac_address": interface.get("mac-address"),
3467                                     })
3468                         del vdu_scaling_info["vdu-create"]
3469
3470                     self._update_suboperation_status(db_nslcmop, op_index, 'COMPLETED', 'Done')
3471             # SCALE RO - END
3472
3473             scale_process = None
3474             if db_nsr_update:
3475                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
3476
3477             # POST-SCALE BEGIN
3478             # execute primitive service POST-SCALING
3479             step = "Executing post-scale vnf-config-primitive"
3480             if scaling_descriptor.get("scaling-config-action"):
3481                 for scaling_config_action in scaling_descriptor["scaling-config-action"]:
3482                     if (scaling_config_action.get("trigger") == "post-scale-in" and scaling_type == "SCALE_IN") \
3483                        or (scaling_config_action.get("trigger") == "post-scale-out" and scaling_type == "SCALE_OUT"):
3484                         vnf_config_primitive = scaling_config_action["vnf-config-primitive-name-ref"]
3485                         step = db_nslcmop_update["detailed-status"] = \
3486                             "executing post-scale scaling-config-action '{}'".format(vnf_config_primitive)
3487
3488                         vnfr_params = {"VDU_SCALE_INFO": vdu_scaling_info}
3489                         if db_vnfr.get("additionalParamsForVnf"):
3490                             vnfr_params.update(db_vnfr["additionalParamsForVnf"])
3491
3492                         # look for primitive
3493                         for config_primitive in db_vnfd.get("vnf-configuration", {}).get("config-primitive", ()):
3494                             if config_primitive["name"] == vnf_config_primitive:
3495                                 break
3496                         else:
3497                             raise LcmException("Invalid vnfd descriptor at scaling-group-descriptor[name='{}']:"
3498                                                "scaling-config-action[vnf-config-primitive-name-ref='{}'] does not "
3499                                                "match any vnf-configuration:config-primitive".format(scaling_group,
3500                                                                                                      config_primitive))
3501                         scale_process = "VCA"
3502                         db_nsr_update["config-status"] = "configuring post-scaling"
3503                         primitive_params = self._map_primitive_params(config_primitive, {}, vnfr_params)
3504
3505                         # Post-scale reintent check: Check if this sub-operation has been executed before
3506                         op_index = self._check_or_add_scale_suboperation(
3507                             db_nslcmop, nslcmop_id, vnf_index, vnf_config_primitive, primitive_params, 'POST-SCALE')
3508                         if op_index == self.SUBOPERATION_STATUS_SKIP:
3509                             # Skip sub-operation
3510                             result = 'COMPLETED'
3511                             result_detail = 'Done'
3512                             self.logger.debug(logging_text +
3513                                               "vnf_config_primitive={} Skipped sub-operation, result {} {}".
3514                                               format(vnf_config_primitive, result, result_detail))
3515                         else:
3516                             if op_index == self.SUBOPERATION_STATUS_NEW:
3517                                 # New sub-operation: Get index of this sub-operation
3518                                 op_index = len(db_nslcmop.get('_admin', {}).get('operations')) - 1
3519                                 self.logger.debug(logging_text + "vnf_config_primitive={} New sub-operation".
3520                                                   format(vnf_config_primitive))
3521                             else:
3522                                 # Reintent:  Get registered params for this existing sub-operation
3523                                 op = db_nslcmop.get('_admin', {}).get('operations', [])[op_index]
3524                                 vnf_index = op.get('member_vnf_index')
3525                                 vnf_config_primitive = op.get('primitive')
3526                                 primitive_params = op.get('primitive_params')
3527                                 self.logger.debug(logging_text + "vnf_config_primitive={} Sub-operation reintent".
3528                                                   format(vnf_config_primitive))
3529                             # Execute the primitive, either with new (first-time) or registered (reintent) args
3530                             result, result_detail = await self._ns_execute_primitive(
3531                                 nsr_deployed, vnf_index, None, None, None, vnf_config_primitive, primitive_params)
3532                             self.logger.debug(logging_text + "vnf_config_primitive={} Done with result {} {}".format(
3533                                 vnf_config_primitive, result, result_detail))
3534                             # Update operationState = COMPLETED | FAILED
3535                             self._update_suboperation_status(
3536                                 db_nslcmop, op_index, result, result_detail)
3537
3538                         if result == "FAILED":
3539                             raise LcmException(result_detail)
3540                         db_nsr_update["config-status"] = old_config_status
3541                         scale_process = None
3542             # POST-SCALE END
3543
3544             db_nslcmop_update["operationState"] = nslcmop_operation_state = "COMPLETED"
3545             db_nslcmop_update["statusEnteredTime"] = time()
3546             db_nslcmop_update["detailed-status"] = "done"
3547             db_nsr_update["detailed-status"] = ""  # "scaled {} {}".format(scaling_group, scaling_type)
3548             db_nsr_update["operational-status"] = "running" if old_operational_status == "failed" \
3549                 else old_operational_status
3550             db_nsr_update["config-status"] = old_config_status
3551             return
3552         except (ROclient.ROClientException, DbException, LcmException) as e:
3553             self.logger.error(logging_text + "Exit Exception {}".format(e))
3554             exc = e
3555         except asyncio.CancelledError:
3556             self.logger.error(logging_text + "Cancelled Exception while '{}'".format(step))
3557             exc = "Operation was cancelled"
3558         except Exception as e:
3559             exc = traceback.format_exc()
3560             self.logger.critical(logging_text + "Exit Exception {} {}".format(type(e).__name__, e), exc_info=True)
3561         finally:
3562             self._write_ns_status(
3563                 nsr_id=nsr_id,
3564                 ns_state=None,
3565                 current_operation="IDLE",
3566                 current_operation_id=None
3567             )
3568             if exc:
3569                 if db_nslcmop:
3570                     db_nslcmop_update["detailed-status"] = "FAILED {}: {}".format(step, exc)
3571                     db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED"
3572                     db_nslcmop_update["statusEnteredTime"] = time()
3573                 if db_nsr:
3574                     db_nsr_update["operational-status"] = old_operational_status
3575                     db_nsr_update["config-status"] = old_config_status
3576                     db_nsr_update["detailed-status"] = ""
3577                     db_nsr_update["_admin.nslcmop"] = None
3578                     if scale_process:
3579                         if "VCA" in scale_process:
3580                             db_nsr_update["config-status"] = "failed"
3581                         if "RO" in scale_process:
3582                             db_nsr_update["operational-status"] = "failed"
3583                         db_nsr_update["detailed-status"] = "FAILED scaling nslcmop={} {}: {}".format(nslcmop_id, step,
3584                                                                                                      exc)
3585             try:
3586                 if db_nslcmop and db_nslcmop_update:
3587                     self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
3588                 if db_nsr:
3589                     db_nsr_update["_admin.current-operation"] = None
3590                     db_nsr_update["_admin.operation-type"] = None
3591                     db_nsr_update["_admin.nslcmop"] = None
3592                     self.update_db_2("nsrs", nsr_id, db_nsr_update)
3593
3594                     self._write_ns_status(
3595                         nsr_id=nsr_id,
3596                         ns_state=None,
3597                         current_operation="IDLE",
3598                         current_operation_id=None
3599                     )
3600
3601             except DbException as e:
3602                 self.logger.error(logging_text + "Cannot update database: {}".format(e))
3603             if nslcmop_operation_state:
3604                 try:
3605                     await self.msg.aiowrite("ns", "scaled", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,
3606                                                              "operationState": nslcmop_operation_state},
3607                                             loop=self.loop)
3608                     # if cooldown_time:
3609                     #     await asyncio.sleep(cooldown_time, loop=self.loop)
3610                     # await self.msg.aiowrite("ns","scaled-cooldown-time", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id})
3611                 except Exception as e:
3612                     self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
3613             self.logger.debug(logging_text + "Exit")
3614             self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_scale")