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