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 from jinja2 import Environment, Template, meta, TemplateError, TemplateNotFound, TemplateSyntaxError
  25
  26 from osm_lcm import ROclient
  27 from osm_lcm.lcm_utils import LcmException, LcmExceptionNoMgmtIP, LcmBase
  28 from n2vc.k8s_helm_conn import K8sHelmConnector
  29
  30 from osm_common.dbbase import DbException
  31 from osm_common.fsbase import FsException
  32
  33 from n2vc.n2vc_juju_conn import N2VCJujuConnector
  34
  35 from copy import copy, deepcopy
  36 from http import HTTPStatus
  37 from time import time
  38 from uuid import uuid4
  39
  40 __author__ = "Alfonso Tierno"
  41
  42
  43 def get_iterable(in_dict, in_key):
  44     """
  45     Similar to <dict>.get(), but if value is None, False, ..., An empty tuple is returned instead
  46     :param in_dict: a dictionary
  47     :param in_key: the key to look for at in_dict
  48     :return: in_dict[in_var] or () if it is None or not present
  49     """
  50     if not in_dict.get(in_key):
  51         return ()
  52     return in_dict[in_key]
  53
  54
  55 def populate_dict(target_dict, key_list, value):
  56     """
  57     Update target_dict creating nested dictionaries with the key_list. Last key_list item is asigned the value.
  58     Example target_dict={K: J}; key_list=[a,b,c];  target_dict will be {K: J, a: {b: {c: value}}}
  59     :param target_dict: dictionary to be changed
  60     :param key_list: list of keys to insert at target_dict
  61     :param value:
  62     :return: None
  63     """
  64     for key in key_list[0:-1]:
  65         if key not in target_dict:
  66             target_dict[key] = {}
  67         target_dict = target_dict[key]
  68     target_dict[key_list[-1]] = value
  69
  70
  71 def deep_get(target_dict, key_list):
  72     """
  73     Get a value from target_dict entering in the nested keys. If keys does not exist, it returns None
  74     Example target_dict={a: {b: 5}}; key_list=[a,b] returns 5; both key_list=[a,b,c] and key_list=[f,h] return None
  75     :param target_dict: dictionary to be read
  76     :param key_list: list of keys to read from  target_dict
  77     :return: The wanted value if exist, None otherwise
  78     """
  79     for key in key_list:
  80         if not isinstance(target_dict, dict) or key not in target_dict:
  81             return None
  82         target_dict = target_dict[key]
  83     return target_dict
  84
  85
  86 class NsLcm(LcmBase):
  87     timeout_vca_on_error = 5 * 60   # Time for charm from first time at blocked,error status to mark as failed
  88     total_deploy_timeout = 2 * 3600   # global timeout for deployment
  89     timeout_charm_delete = 10 * 60
  90     timeout_primitive = 10 * 60  # timeout for primitive execution
  91
  92     SUBOPERATION_STATUS_NOT_FOUND = -1
  93     SUBOPERATION_STATUS_NEW = -2
  94     SUBOPERATION_STATUS_SKIP = -3
  95
  96     def __init__(self, db, msg, fs, lcm_tasks, ro_config, vca_config, loop):
  97         """
  98         Init, Connect to database, filesystem storage, and messaging
  99         :param config: two level dictionary with configuration. Top level should contain 'database', 'storage',
 100         :return: None
 101         """
 102         super().__init__(
 103             db=db,
 104             msg=msg,
 105             fs=fs,
 106             logger=logging.getLogger('lcm.ns')
 107         )
 108
 109         self.loop = loop
 110         self.lcm_tasks = lcm_tasks
 111         self.ro_config = ro_config
 112         self.vca_config = vca_config
 113         if 'pubkey' in self.vca_config:
 114             self.vca_config['public_key'] = self.vca_config['pubkey']
 115         if 'cacert' in self.vca_config:
 116             self.vca_config['ca_cert'] = self.vca_config['cacert']
 117         if 'apiproxy' in self.vca_config:
 118             self.vca_config['api_proxy'] = self.vca_config['apiproxy']
 119
 120         # create N2VC connector
 121         self.n2vc = N2VCJujuConnector(
 122             db=self.db,
 123             fs=self.fs,
 124             log=self.logger,
 125             loop=self.loop,
 126             url='{}:{}'.format(self.vca_config['host'], self.vca_config['port']),
 127             username=self.vca_config.get('user', None),
 128             vca_config=self.vca_config,
 129             on_update_db=self._on_update_n2vc_db,
 130             # ca_cert=self.vca_config.get('cacert'),
 131             # api_proxy=self.vca_config.get('apiproxy'),
 132         )
 133
 134         self.k8sclusterhelm = K8sHelmConnector(
 135             kubectl_command=self.vca_config.get("kubectlpath"),
 136             helm_command=self.vca_config.get("helmpath"),
 137             fs=self.fs,
 138             log=self.logger,
 139             db=self.db,
 140             on_update_db=None,
 141         )
 142
 143         # create RO client
 144         self.RO = ROclient.ROClient(self.loop, **self.ro_config)
 145
 146     def _on_update_n2vc_db(self, table, filter, path, updated_data):
 147
 148         self.logger.debug('_on_update_n2vc_db(table={}, filter={}, path={}, updated_data={}'
 149                           .format(table, filter, path, updated_data))
 150
 151         return
 152         # write NS status to database
 153         # try:
 154         #     # nsrs_id = filter.get('_id')
 155         #     # print(nsrs_id)
 156         #     # get ns record
 157         #     nsr = self.db.get_one(table=table, q_filter=filter)
 158         #     # get VCA deployed list
 159         #     vca_list = deep_get(target_dict=nsr, key_list=('_admin', 'deployed', 'VCA'))
 160         #     # get RO deployed
 161         #     # ro_list = deep_get(target_dict=nsr, key_list=('_admin', 'deployed', 'RO'))
 162         #     for vca in vca_list:
 163         #         # status = vca.get('status')
 164         #         # print(status)
 165         #         # detailed_status = vca.get('detailed-status')
 166         #         # print(detailed_status)
 167         #     # for ro in ro_list:
 168         #     #    print(ro)
 169         #
 170         # except Exception as e:
 171         #     self.logger.error('Error writing NS status to db: {}'.format(e))
 172
 173     def vnfd2RO(self, vnfd, new_id=None, additionalParams=None, nsrId=None):
 174         """
 175         Converts creates a new vnfd descriptor for RO base on input OSM IM vnfd
 176         :param vnfd: input vnfd
 177         :param new_id: overrides vnf id if provided
 178         :param additionalParams: Instantiation params for VNFs provided
 179         :param nsrId: Id of the NSR
 180         :return: copy of vnfd
 181         """
 182         try:
 183             vnfd_RO = deepcopy(vnfd)
 184             # remove unused by RO configuration, monitoring, scaling and internal keys
 185             vnfd_RO.pop("_id", None)
 186             vnfd_RO.pop("_admin", None)
 187             vnfd_RO.pop("vnf-configuration", None)
 188             vnfd_RO.pop("monitoring-param", None)
 189             vnfd_RO.pop("scaling-group-descriptor", None)
 190             vnfd_RO.pop("kdu", None)
 191             vnfd_RO.pop("k8s-cluster", None)
 192             if new_id:
 193                 vnfd_RO["id"] = new_id
 194
 195             # parse cloud-init or cloud-init-file with the provided variables using Jinja2
 196             for vdu in get_iterable(vnfd_RO, "vdu"):
 197                 cloud_init_file = None
 198                 if vdu.get("cloud-init-file"):
 199                     base_folder = vnfd["_admin"]["storage"]
 200                     cloud_init_file = "{}/{}/cloud_init/{}".format(base_folder["folder"], base_folder["pkg-dir"],
 201                                                                    vdu["cloud-init-file"])
 202                     with self.fs.file_open(cloud_init_file, "r") as ci_file:
 203                         cloud_init_content = ci_file.read()
 204                     vdu.pop("cloud-init-file", None)
 205                 elif vdu.get("cloud-init"):
 206                     cloud_init_content = vdu["cloud-init"]
 207                 else:
 208                     continue
 209
 210                 env = Environment()
 211                 ast = env.parse(cloud_init_content)
 212                 mandatory_vars = meta.find_undeclared_variables(ast)
 213                 if mandatory_vars:
 214                     for var in mandatory_vars:
 215                         if not additionalParams or var not in additionalParams.keys():
 216                             raise LcmException("Variable '{}' defined at vnfd[id={}]:vdu[id={}]:cloud-init/cloud-init-"
 217                                                "file, must be provided in the instantiation parameters inside the "
 218                                                "'additionalParamsForVnf' block".format(var, vnfd["id"], vdu["id"]))
 219                 template = Template(cloud_init_content)
 220                 cloud_init_content = template.render(additionalParams or {})
 221                 vdu["cloud-init"] = cloud_init_content
 222
 223             return vnfd_RO
 224         except FsException as e:
 225             raise LcmException("Error reading vnfd[id={}]:vdu[id={}]:cloud-init-file={}: {}".
 226                                format(vnfd["id"], vdu["id"], cloud_init_file, e))
 227         except (TemplateError, TemplateNotFound, TemplateSyntaxError) as e:
 228             raise LcmException("Error parsing Jinja2 to cloud-init content at vnfd[id={}]:vdu[id={}]: {}".
 229                                format(vnfd["id"], vdu["id"], e))
 230
 231     def ns_params_2_RO(self, ns_params, nsd, vnfd_dict, n2vc_key_list):
 232         """
 233         Creates a RO ns descriptor from OSM ns_instantiate params
 234         :param ns_params: OSM instantiate params
 235         :return: The RO ns descriptor
 236         """
 237         vim_2_RO = {}
 238         wim_2_RO = {}
 239         # TODO feature 1417: Check that no instantiation is set over PDU
 240         # check if PDU forces a concrete vim-network-id and add it
 241         # check if PDU contains a SDN-assist info (dpid, switch, port) and pass it to RO
 242
 243         def vim_account_2_RO(vim_account):
 244             if vim_account in vim_2_RO:
 245                 return vim_2_RO[vim_account]
 246
 247             db_vim = self.db.get_one("vim_accounts", {"_id": vim_account})
 248             if db_vim["_admin"]["operationalState"] != "ENABLED":
 249                 raise LcmException("VIM={} is not available. operationalState={}".format(
 250                     vim_account, db_vim["_admin"]["operationalState"]))
 251             RO_vim_id = db_vim["_admin"]["deployed"]["RO"]
 252             vim_2_RO[vim_account] = RO_vim_id
 253             return RO_vim_id
 254
 255         def wim_account_2_RO(wim_account):
 256             if isinstance(wim_account, str):
 257                 if wim_account in wim_2_RO:
 258                     return wim_2_RO[wim_account]
 259
 260                 db_wim = self.db.get_one("wim_accounts", {"_id": wim_account})
 261                 if db_wim["_admin"]["operationalState"] != "ENABLED":
 262                     raise LcmException("WIM={} is not available. operationalState={}".format(
 263                         wim_account, db_wim["_admin"]["operationalState"]))
 264                 RO_wim_id = db_wim["_admin"]["deployed"]["RO-account"]
 265                 wim_2_RO[wim_account] = RO_wim_id
 266                 return RO_wim_id
 267             else:
 268                 return wim_account
 269
 270         def ip_profile_2_RO(ip_profile):
 271             RO_ip_profile = deepcopy((ip_profile))
 272             if "dns-server" in RO_ip_profile:
 273                 if isinstance(RO_ip_profile["dns-server"], list):
 274                     RO_ip_profile["dns-address"] = []
 275                     for ds in RO_ip_profile.pop("dns-server"):
 276                         RO_ip_profile["dns-address"].append(ds['address'])
 277                 else:
 278                     RO_ip_profile["dns-address"] = RO_ip_profile.pop("dns-server")
 279             if RO_ip_profile.get("ip-version") == "ipv4":
 280                 RO_ip_profile["ip-version"] = "IPv4"
 281             if RO_ip_profile.get("ip-version") == "ipv6":
 282                 RO_ip_profile["ip-version"] = "IPv6"
 283             if "dhcp-params" in RO_ip_profile:
 284                 RO_ip_profile["dhcp"] = RO_ip_profile.pop("dhcp-params")
 285             return RO_ip_profile
 286
 287         if not ns_params:
 288             return None
 289         RO_ns_params = {
 290             # "name": ns_params["nsName"],
 291             # "description": ns_params.get("nsDescription"),
 292             "datacenter": vim_account_2_RO(ns_params["vimAccountId"]),
 293             "wim_account": wim_account_2_RO(ns_params.get("wimAccountId")),
 294             # "scenario": ns_params["nsdId"],
 295         }
 296
 297         n2vc_key_list = n2vc_key_list or []
 298         for vnfd_ref, vnfd in vnfd_dict.items():
 299             vdu_needed_access = []
 300             mgmt_cp = None
 301             if vnfd.get("vnf-configuration"):
 302                 ssh_required = deep_get(vnfd, ("vnf-configuration", "config-access", "ssh-access", "required"))
 303                 if ssh_required and vnfd.get("mgmt-interface"):
 304                     if vnfd["mgmt-interface"].get("vdu-id"):
 305                         vdu_needed_access.append(vnfd["mgmt-interface"]["vdu-id"])
 306                     elif vnfd["mgmt-interface"].get("cp"):
 307                         mgmt_cp = vnfd["mgmt-interface"]["cp"]
 308
 309             for vdu in vnfd.get("vdu", ()):
 310                 if vdu.get("vdu-configuration"):
 311                     ssh_required = deep_get(vdu, ("vdu-configuration", "config-access", "ssh-access", "required"))
 312                     if ssh_required:
 313                         vdu_needed_access.append(vdu["id"])
 314                 elif mgmt_cp:
 315                     for vdu_interface in vdu.get("interface"):
 316                         if vdu_interface.get("external-connection-point-ref") and \
 317                                 vdu_interface["external-connection-point-ref"] == mgmt_cp:
 318                             vdu_needed_access.append(vdu["id"])
 319                             mgmt_cp = None
 320                             break
 321
 322             if vdu_needed_access:
 323                 for vnf_member in nsd.get("constituent-vnfd"):
 324                     if vnf_member["vnfd-id-ref"] != vnfd_ref:
 325                         continue
 326                     for vdu in vdu_needed_access:
 327                         populate_dict(RO_ns_params,
 328                                       ("vnfs", vnf_member["member-vnf-index"], "vdus", vdu, "mgmt_keys"),
 329                                       n2vc_key_list)
 330
 331         if ns_params.get("vduImage"):
 332             RO_ns_params["vduImage"] = ns_params["vduImage"]
 333
 334         if ns_params.get("ssh_keys"):
 335             RO_ns_params["cloud-config"] = {"key-pairs": ns_params["ssh_keys"]}
 336         for vnf_params in get_iterable(ns_params, "vnf"):
 337             for constituent_vnfd in nsd["constituent-vnfd"]:
 338                 if constituent_vnfd["member-vnf-index"] == vnf_params["member-vnf-index"]:
 339                     vnf_descriptor = vnfd_dict[constituent_vnfd["vnfd-id-ref"]]
 340                     break
 341             else:
 342                 raise LcmException("Invalid instantiate parameter vnf:member-vnf-index={} is not present at nsd:"
 343                                    "constituent-vnfd".format(vnf_params["member-vnf-index"]))
 344             if vnf_params.get("vimAccountId"):
 345                 populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "datacenter"),
 346                               vim_account_2_RO(vnf_params["vimAccountId"]))
 347
 348             for vdu_params in get_iterable(vnf_params, "vdu"):
 349                 # TODO feature 1417: check that this VDU exist and it is not a PDU
 350                 if vdu_params.get("volume"):
 351                     for volume_params in vdu_params["volume"]:
 352                         if volume_params.get("vim-volume-id"):
 353                             populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "vdus",
 354                                                          vdu_params["id"], "devices", volume_params["name"], "vim_id"),
 355                                           volume_params["vim-volume-id"])
 356                 if vdu_params.get("interface"):
 357                     for interface_params in vdu_params["interface"]:
 358                         if interface_params.get("ip-address"):
 359                             populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "vdus",
 360                                                          vdu_params["id"], "interfaces", interface_params["name"],
 361                                                          "ip_address"),
 362                                           interface_params["ip-address"])
 363                         if interface_params.get("mac-address"):
 364                             populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "vdus",
 365                                                          vdu_params["id"], "interfaces", interface_params["name"],
 366                                                          "mac_address"),
 367                                           interface_params["mac-address"])
 368                         if interface_params.get("floating-ip-required"):
 369                             populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "vdus",
 370                                                          vdu_params["id"], "interfaces", interface_params["name"],
 371                                                          "floating-ip"),
 372                                           interface_params["floating-ip-required"])
 373
 374             for internal_vld_params in get_iterable(vnf_params, "internal-vld"):
 375                 if internal_vld_params.get("vim-network-name"):
 376                     populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "networks",
 377                                                  internal_vld_params["name"], "vim-network-name"),
 378                                   internal_vld_params["vim-network-name"])
 379                 if internal_vld_params.get("vim-network-id"):
 380                     populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "networks",
 381                                                  internal_vld_params["name"], "vim-network-id"),
 382                                   internal_vld_params["vim-network-id"])
 383                 if internal_vld_params.get("ip-profile"):
 384                     populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "networks",
 385                                                  internal_vld_params["name"], "ip-profile"),
 386                                   ip_profile_2_RO(internal_vld_params["ip-profile"]))
 387                 if internal_vld_params.get("provider-network"):
 388
 389                     populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "networks",
 390                                                  internal_vld_params["name"], "provider-network"),
 391                                   internal_vld_params["provider-network"].copy())
 392
 393                 for icp_params in get_iterable(internal_vld_params, "internal-connection-point"):
 394                     # look for interface
 395                     iface_found = False
 396                     for vdu_descriptor in vnf_descriptor["vdu"]:
 397                         for vdu_interface in vdu_descriptor["interface"]:
 398                             if vdu_interface.get("internal-connection-point-ref") == icp_params["id-ref"]:
 399                                 if icp_params.get("ip-address"):
 400                                     populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "vdus",
 401                                                                  vdu_descriptor["id"], "interfaces",
 402                                                                  vdu_interface["name"], "ip_address"),
 403                                                   icp_params["ip-address"])
 404
 405                                 if icp_params.get("mac-address"):
 406                                     populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "vdus",
 407                                                                  vdu_descriptor["id"], "interfaces",
 408                                                                  vdu_interface["name"], "mac_address"),
 409                                                   icp_params["mac-address"])
 410                                 iface_found = True
 411                                 break
 412                         if iface_found:
 413                             break
 414                     else:
 415                         raise LcmException("Invalid instantiate parameter vnf:member-vnf-index[{}]:"
 416                                            "internal-vld:id-ref={} is not present at vnfd:internal-"
 417                                            "connection-point".format(vnf_params["member-vnf-index"],
 418                                                                      icp_params["id-ref"]))
 419
 420         for vld_params in get_iterable(ns_params, "vld"):
 421             if "ip-profile" in vld_params:
 422                 populate_dict(RO_ns_params, ("networks", vld_params["name"], "ip-profile"),
 423                               ip_profile_2_RO(vld_params["ip-profile"]))
 424
 425             if vld_params.get("provider-network"):
 426
 427                 populate_dict(RO_ns_params, ("networks", vld_params["name"], "provider-network"),
 428                               vld_params["provider-network"].copy())
 429
 430             if "wimAccountId" in vld_params and vld_params["wimAccountId"] is not None:
 431                 populate_dict(RO_ns_params, ("networks", vld_params["name"], "wim_account"),
 432                               wim_account_2_RO(vld_params["wimAccountId"])),
 433             if vld_params.get("vim-network-name"):
 434                 RO_vld_sites = []
 435                 if isinstance(vld_params["vim-network-name"], dict):
 436                     for vim_account, vim_net in vld_params["vim-network-name"].items():
 437                         RO_vld_sites.append({
 438                             "netmap-use": vim_net,
 439                             "datacenter": vim_account_2_RO(vim_account)
 440                         })
 441                 else:  # isinstance str
 442                     RO_vld_sites.append({"netmap-use": vld_params["vim-network-name"]})
 443                 if RO_vld_sites:
 444                     populate_dict(RO_ns_params, ("networks", vld_params["name"], "sites"), RO_vld_sites)
 445
 446             if vld_params.get("vim-network-id"):
 447                 RO_vld_sites = []
 448                 if isinstance(vld_params["vim-network-id"], dict):
 449                     for vim_account, vim_net in vld_params["vim-network-id"].items():
 450                         RO_vld_sites.append({
 451                             "netmap-use": vim_net,
 452                             "datacenter": vim_account_2_RO(vim_account)
 453                         })
 454                 else:  # isinstance str
 455                     RO_vld_sites.append({"netmap-use": vld_params["vim-network-id"]})
 456                 if RO_vld_sites:
 457                     populate_dict(RO_ns_params, ("networks", vld_params["name"], "sites"), RO_vld_sites)
 458             if vld_params.get("ns-net"):
 459                 if isinstance(vld_params["ns-net"], dict):
 460                     for vld_id, instance_scenario_id in vld_params["ns-net"].items():
 461                         RO_vld_ns_net = {"instance_scenario_id": instance_scenario_id, "osm_id": vld_id}
 462                 if RO_vld_ns_net:
 463                     populate_dict(RO_ns_params, ("networks", vld_params["name"], "use-network"), RO_vld_ns_net)
 464             if "vnfd-connection-point-ref" in vld_params:
 465                 for cp_params in vld_params["vnfd-connection-point-ref"]:
 466                     # look for interface
 467                     for constituent_vnfd in nsd["constituent-vnfd"]:
 468                         if constituent_vnfd["member-vnf-index"] == cp_params["member-vnf-index-ref"]:
 469                             vnf_descriptor = vnfd_dict[constituent_vnfd["vnfd-id-ref"]]
 470                             break
 471                     else:
 472                         raise LcmException(
 473                             "Invalid instantiate parameter vld:vnfd-connection-point-ref:member-vnf-index-ref={} "
 474                             "is not present at nsd:constituent-vnfd".format(cp_params["member-vnf-index-ref"]))
 475                     match_cp = False
 476                     for vdu_descriptor in vnf_descriptor["vdu"]:
 477                         for interface_descriptor in vdu_descriptor["interface"]:
 478                             if interface_descriptor.get("external-connection-point-ref") == \
 479                                     cp_params["vnfd-connection-point-ref"]:
 480                                 match_cp = True
 481                                 break
 482                         if match_cp:
 483                             break
 484                     else:
 485                         raise LcmException(
 486                             "Invalid instantiate parameter vld:vnfd-connection-point-ref:member-vnf-index-ref={}:"
 487                             "vnfd-connection-point-ref={} is not present at vnfd={}".format(
 488                                 cp_params["member-vnf-index-ref"],
 489                                 cp_params["vnfd-connection-point-ref"],
 490                                 vnf_descriptor["id"]))
 491                     if cp_params.get("ip-address"):
 492                         populate_dict(RO_ns_params, ("vnfs", cp_params["member-vnf-index-ref"], "vdus",
 493                                                      vdu_descriptor["id"], "interfaces",
 494                                                      interface_descriptor["name"], "ip_address"),
 495                                       cp_params["ip-address"])
 496                     if cp_params.get("mac-address"):
 497                         populate_dict(RO_ns_params, ("vnfs", cp_params["member-vnf-index-ref"], "vdus",
 498                                                      vdu_descriptor["id"], "interfaces",
 499                                                      interface_descriptor["name"], "mac_address"),
 500                                       cp_params["mac-address"])
 501         return RO_ns_params
 502
 503     def scale_vnfr(self, db_vnfr, vdu_create=None, vdu_delete=None):
 504         # make a copy to do not change
 505         vdu_create = copy(vdu_create)
 506         vdu_delete = copy(vdu_delete)
 507
 508         vdurs = db_vnfr.get("vdur")
 509         if vdurs is None:
 510             vdurs = []
 511         vdu_index = len(vdurs)
 512         while vdu_index:
 513             vdu_index -= 1
 514             vdur = vdurs[vdu_index]
 515             if vdur.get("pdu-type"):
 516                 continue
 517             vdu_id_ref = vdur["vdu-id-ref"]
 518             if vdu_create and vdu_create.get(vdu_id_ref):
 519                 for index in range(0, vdu_create[vdu_id_ref]):
 520                     vdur = deepcopy(vdur)
 521                     vdur["_id"] = str(uuid4())
 522                     vdur["count-index"] += 1
 523                     vdurs.insert(vdu_index+1+index, vdur)
 524                 del vdu_create[vdu_id_ref]
 525             if vdu_delete and vdu_delete.get(vdu_id_ref):
 526                 del vdurs[vdu_index]
 527                 vdu_delete[vdu_id_ref] -= 1
 528                 if not vdu_delete[vdu_id_ref]:
 529                     del vdu_delete[vdu_id_ref]
 530         # check all operations are done
 531         if vdu_create or vdu_delete:
 532             raise LcmException("Error scaling OUT VNFR for {}. There is not any existing vnfr. Scaled to 0?".format(
 533                 vdu_create))
 534         if vdu_delete:
 535             raise LcmException("Error scaling IN VNFR for {}. There is not any existing vnfr. Scaled to 0?".format(
 536                 vdu_delete))
 537
 538         vnfr_update = {"vdur": vdurs}
 539         db_vnfr["vdur"] = vdurs
 540         self.update_db_2("vnfrs", db_vnfr["_id"], vnfr_update)
 541
 542     def ns_update_nsr(self, ns_update_nsr, db_nsr, nsr_desc_RO):
 543         """
 544         Updates database nsr with the RO info for the created vld
 545         :param ns_update_nsr: dictionary to be filled with the updated info
 546         :param db_nsr: content of db_nsr. This is also modified
 547         :param nsr_desc_RO: nsr descriptor from RO
 548         :return: Nothing, LcmException is raised on errors
 549         """
 550
 551         for vld_index, vld in enumerate(get_iterable(db_nsr, "vld")):
 552             for net_RO in get_iterable(nsr_desc_RO, "nets"):
 553                 if vld["id"] != net_RO.get("ns_net_osm_id"):
 554                     continue
 555                 vld["vim-id"] = net_RO.get("vim_net_id")
 556                 vld["name"] = net_RO.get("vim_name")
 557                 vld["status"] = net_RO.get("status")
 558                 vld["status-detailed"] = net_RO.get("error_msg")
 559                 ns_update_nsr["vld.{}".format(vld_index)] = vld
 560                 break
 561             else:
 562                 raise LcmException("ns_update_nsr: Not found vld={} at RO info".format(vld["id"]))
 563
 564     def ns_update_vnfr(self, db_vnfrs, nsr_desc_RO):
 565         """
 566         Updates database vnfr with the RO info, e.g. ip_address, vim_id... Descriptor db_vnfrs is also updated
 567         :param db_vnfrs: dictionary with member-vnf-index: vnfr-content
 568         :param nsr_desc_RO: nsr descriptor from RO
 569         :return: Nothing, LcmException is raised on errors
 570         """
 571         for vnf_index, db_vnfr in db_vnfrs.items():
 572             for vnf_RO in nsr_desc_RO["vnfs"]:
 573                 if vnf_RO["member_vnf_index"] != vnf_index:
 574                     continue
 575                 vnfr_update = {}
 576                 if vnf_RO.get("ip_address"):
 577                     db_vnfr["ip-address"] = vnfr_update["ip-address"] = vnf_RO["ip_address"].split(";")[0]
 578                 elif not db_vnfr.get("ip-address"):
 579                     raise LcmExceptionNoMgmtIP("ns member_vnf_index '{}' has no IP address".format(vnf_index))
 580
 581                 for vdu_index, vdur in enumerate(get_iterable(db_vnfr, "vdur")):
 582                     vdur_RO_count_index = 0
 583                     if vdur.get("pdu-type"):
 584                         continue
 585                     for vdur_RO in get_iterable(vnf_RO, "vms"):
 586                         if vdur["vdu-id-ref"] != vdur_RO["vdu_osm_id"]:
 587                             continue
 588                         if vdur["count-index"] != vdur_RO_count_index:
 589                             vdur_RO_count_index += 1
 590                             continue
 591                         vdur["vim-id"] = vdur_RO.get("vim_vm_id")
 592                         if vdur_RO.get("ip_address"):
 593                             vdur["ip-address"] = vdur_RO["ip_address"].split(";")[0]
 594                         else:
 595                             vdur["ip-address"] = None
 596                         vdur["vdu-id-ref"] = vdur_RO.get("vdu_osm_id")
 597                         vdur["name"] = vdur_RO.get("vim_name")
 598                         vdur["status"] = vdur_RO.get("status")
 599                         vdur["status-detailed"] = vdur_RO.get("error_msg")
 600                         for ifacer in get_iterable(vdur, "interfaces"):
 601                             for interface_RO in get_iterable(vdur_RO, "interfaces"):
 602                                 if ifacer["name"] == interface_RO.get("internal_name"):
 603                                     ifacer["ip-address"] = interface_RO.get("ip_address")
 604                                     ifacer["mac-address"] = interface_RO.get("mac_address")
 605                                     break
 606                             else:
 607                                 raise LcmException("ns_update_vnfr: Not found member_vnf_index={} vdur={} interface={} "
 608                                                    "from VIM info"
 609                                                    .format(vnf_index, vdur["vdu-id-ref"], ifacer["name"]))
 610                         vnfr_update["vdur.{}".format(vdu_index)] = vdur
 611                         break
 612                     else:
 613                         raise LcmException("ns_update_vnfr: Not found member_vnf_index={} vdur={} count_index={} from "
 614                                            "VIM info".format(vnf_index, vdur["vdu-id-ref"], vdur["count-index"]))
 615
 616                 for vld_index, vld in enumerate(get_iterable(db_vnfr, "vld")):
 617                     for net_RO in get_iterable(nsr_desc_RO, "nets"):
 618                         if vld["id"] != net_RO.get("vnf_net_osm_id"):
 619                             continue
 620                         vld["vim-id"] = net_RO.get("vim_net_id")
 621                         vld["name"] = net_RO.get("vim_name")
 622                         vld["status"] = net_RO.get("status")
 623                         vld["status-detailed"] = net_RO.get("error_msg")
 624                         vnfr_update["vld.{}".format(vld_index)] = vld
 625                         break
 626                     else:
 627                         raise LcmException("ns_update_vnfr: Not found member_vnf_index={} vld={} from VIM info".format(
 628                             vnf_index, vld["id"]))
 629
 630                 self.update_db_2("vnfrs", db_vnfr["_id"], vnfr_update)
 631                 break
 632
 633             else:
 634                 raise LcmException("ns_update_vnfr: Not found member_vnf_index={} from VIM info".format(vnf_index))
 635
 636     @staticmethod
 637     def _get_ns_config_info(vca_deployed_list):
 638         """
 639         Generates a mapping between vnf,vdu elements and the N2VC id
 640         :param vca_deployed_list: List of database _admin.deploy.VCA that contains this list
 641         :return: a dictionary with {osm-config-mapping: {}} where its element contains:
 642             "<member-vnf-index>": <N2VC-id>  for a vnf configuration, or
 643             "<member-vnf-index>.<vdu.id>.<vdu replica(0, 1,..)>": <N2VC-id>  for a vdu configuration
 644         """
 645         mapping = {}
 646         ns_config_info = {"osm-config-mapping": mapping}
 647         for vca in vca_deployed_list:
 648             if not vca["member-vnf-index"]:
 649                 continue
 650             if not vca["vdu_id"]:
 651                 mapping[vca["member-vnf-index"]] = vca["application"]
 652             else:
 653                 mapping["{}.{}.{}".format(vca["member-vnf-index"], vca["vdu_id"], vca["vdu_count_index"])] =\
 654                     vca["application"]
 655         return ns_config_info
 656
 657     @staticmethod
 658     def _get_initial_config_primitive_list(desc_primitive_list, vca_deployed):
 659         """
 660         Generates a list of initial-config-primitive based on the list provided by the descriptor. It includes internal
 661         primitives as verify-ssh-credentials, or config when needed
 662         :param desc_primitive_list: information of the descriptor
 663         :param vca_deployed: information of the deployed, needed for known if it is related to an NS, VNF, VDU and if
 664             this element contains a ssh public key
 665         :return: The modified list. Can ba an empty list, but always a list
 666         """
 667         if desc_primitive_list:
 668             primitive_list = desc_primitive_list.copy()
 669         else:
 670             primitive_list = []
 671         # look for primitive config, and get the position. None if not present
 672         config_position = None
 673         for index, primitive in enumerate(primitive_list):
 674             if primitive["name"] == "config":
 675                 config_position = index
 676                 break
 677
 678         # for NS, add always a config primitive if not present (bug 874)
 679         if not vca_deployed["member-vnf-index"] and config_position is None:
 680             primitive_list.insert(0, {"name": "config", "parameter": []})
 681             config_position = 0
 682         # for VNF/VDU add verify-ssh-credentials after config
 683         if vca_deployed["member-vnf-index"] and config_position is not None and vca_deployed.get("ssh-public-key"):
 684             primitive_list.insert(config_position + 1, {"name": "verify-ssh-credentials", "parameter": []})
 685         return primitive_list
 686
 687     async def instantiate_RO(self, logging_text, nsr_id, nsd, db_nsr,
 688                              db_nslcmop, db_vnfrs, db_vnfds_ref, n2vc_key_list):
 689
 690         db_nsr_update = {}
 691         RO_descriptor_number = 0   # number of descriptors created at RO
 692         vnf_index_2_RO_id = {}    # map between vnfd/nsd id to the id used at RO
 693         start_deploy = time()
 694         vdu_flag = False  # If any of the VNFDs has VDUs
 695         ns_params = db_nslcmop.get("operationParams")
 696
 697         # deploy RO
 698
 699         # get vnfds, instantiate at RO
 700
 701         for c_vnf in nsd.get("constituent-vnfd", ()):
 702             member_vnf_index = c_vnf["member-vnf-index"]
 703             vnfd = db_vnfds_ref[c_vnf['vnfd-id-ref']]
 704             if vnfd.get("vdu"):
 705                 vdu_flag = True
 706             vnfd_ref = vnfd["id"]
 707             step = db_nsr_update["_admin.deployed.RO.detailed-status"] = "Creating vnfd='{}' member_vnf_index='{}' at" \
 708                                                                          " RO".format(vnfd_ref, member_vnf_index)
 709             # self.logger.debug(logging_text + step)
 710             vnfd_id_RO = "{}.{}.{}".format(nsr_id, RO_descriptor_number, member_vnf_index[:23])
 711             vnf_index_2_RO_id[member_vnf_index] = vnfd_id_RO
 712             RO_descriptor_number += 1
 713
 714             # look position at deployed.RO.vnfd if not present it will be appended at the end
 715             for index, vnf_deployed in enumerate(db_nsr["_admin"]["deployed"]["RO"]["vnfd"]):
 716                 if vnf_deployed["member-vnf-index"] == member_vnf_index:
 717                     break
 718             else:
 719                 index = len(db_nsr["_admin"]["deployed"]["RO"]["vnfd"])
 720                 db_nsr["_admin"]["deployed"]["RO"]["vnfd"].append(None)
 721
 722             # look if present
 723             RO_update = {"member-vnf-index": member_vnf_index}
 724             vnfd_list = await self.RO.get_list("vnfd", filter_by={"osm_id": vnfd_id_RO})
 725             if vnfd_list:
 726                 RO_update["id"] = vnfd_list[0]["uuid"]
 727                 self.logger.debug(logging_text + "vnfd='{}'  member_vnf_index='{}' exists at RO. Using RO_id={}".
 728                                   format(vnfd_ref, member_vnf_index, vnfd_list[0]["uuid"]))
 729             else:
 730                 vnfd_RO = self.vnfd2RO(vnfd, vnfd_id_RO, db_vnfrs[c_vnf["member-vnf-index"]].
 731                                        get("additionalParamsForVnf"), nsr_id)
 732                 desc = await self.RO.create("vnfd", descriptor=vnfd_RO)
 733                 RO_update["id"] = desc["uuid"]
 734                 self.logger.debug(logging_text + "vnfd='{}' member_vnf_index='{}' created at RO. RO_id={}".format(
 735                     vnfd_ref, member_vnf_index, desc["uuid"]))
 736             db_nsr_update["_admin.deployed.RO.vnfd.{}".format(index)] = RO_update
 737             db_nsr["_admin"]["deployed"]["RO"]["vnfd"][index] = RO_update
 738             self.update_db_2("nsrs", nsr_id, db_nsr_update)
 739             self._on_update_n2vc_db("nsrs", {"_id": nsr_id}, "_admin.deployed", db_nsr_update)
 740
 741         # create nsd at RO
 742         nsd_ref = nsd["id"]
 743         step = db_nsr_update["_admin.deployed.RO.detailed-status"] = "Creating nsd={} at RO".format(nsd_ref)
 744         # self.logger.debug(logging_text + step)
 745
 746         RO_osm_nsd_id = "{}.{}.{}".format(nsr_id, RO_descriptor_number, nsd_ref[:23])
 747         RO_descriptor_number += 1
 748         nsd_list = await self.RO.get_list("nsd", filter_by={"osm_id": RO_osm_nsd_id})
 749         if nsd_list:
 750             db_nsr_update["_admin.deployed.RO.nsd_id"] = RO_nsd_uuid = nsd_list[0]["uuid"]
 751             self.logger.debug(logging_text + "nsd={} exists at RO. Using RO_id={}".format(
 752                 nsd_ref, RO_nsd_uuid))
 753         else:
 754             nsd_RO = deepcopy(nsd)
 755             nsd_RO["id"] = RO_osm_nsd_id
 756             nsd_RO.pop("_id", None)
 757             nsd_RO.pop("_admin", None)
 758             for c_vnf in nsd_RO.get("constituent-vnfd", ()):
 759                 member_vnf_index = c_vnf["member-vnf-index"]
 760                 c_vnf["vnfd-id-ref"] = vnf_index_2_RO_id[member_vnf_index]
 761             for c_vld in nsd_RO.get("vld", ()):
 762                 for cp in c_vld.get("vnfd-connection-point-ref", ()):
 763                     member_vnf_index = cp["member-vnf-index-ref"]
 764                     cp["vnfd-id-ref"] = vnf_index_2_RO_id[member_vnf_index]
 765
 766             desc = await self.RO.create("nsd", descriptor=nsd_RO)
 767             db_nsr_update["_admin.nsState"] = "INSTANTIATED"
 768             db_nsr_update["_admin.deployed.RO.nsd_id"] = RO_nsd_uuid = desc["uuid"]
 769             self.logger.debug(logging_text + "nsd={} created at RO. RO_id={}".format(nsd_ref, RO_nsd_uuid))
 770         self.update_db_2("nsrs", nsr_id, db_nsr_update)
 771         self._on_update_n2vc_db("nsrs", {"_id": nsr_id}, "_admin.deployed", db_nsr_update)
 772
 773         # Crate ns at RO
 774         # if present use it unless in error status
 775         RO_nsr_id = deep_get(db_nsr, ("_admin", "deployed", "RO", "nsr_id"))
 776         if RO_nsr_id:
 777             try:
 778                 step = db_nsr_update["_admin.deployed.RO.detailed-status"] = "Looking for existing ns at RO"
 779                 # self.logger.debug(logging_text + step + " RO_ns_id={}".format(RO_nsr_id))
 780                 desc = await self.RO.show("ns", RO_nsr_id)
 781             except ROclient.ROClientException as e:
 782                 if e.http_code != HTTPStatus.NOT_FOUND:
 783                     raise
 784                 RO_nsr_id = db_nsr_update["_admin.deployed.RO.nsr_id"] = None
 785             if RO_nsr_id:
 786                 ns_status, ns_status_info = self.RO.check_ns_status(desc)
 787                 db_nsr_update["_admin.deployed.RO.nsr_status"] = ns_status
 788                 if ns_status == "ERROR":
 789                     step = db_nsr_update["_admin.deployed.RO.detailed-status"] = "Deleting ns at RO. RO_ns_id={}"\
 790                         .format(RO_nsr_id)
 791                     self.logger.debug(logging_text + step)
 792                     await self.RO.delete("ns", RO_nsr_id)
 793                     RO_nsr_id = db_nsr_update["_admin.deployed.RO.nsr_id"] = None
 794         if not RO_nsr_id:
 795             step = db_nsr_update["_admin.deployed.RO.detailed-status"] = "Checking dependencies"
 796             # self.logger.debug(logging_text + step)
 797
 798             # check if VIM is creating and wait  look if previous tasks in process
 799             task_name, task_dependency = self.lcm_tasks.lookfor_related("vim_account", ns_params["vimAccountId"])
 800             if task_dependency:
 801                 step = "Waiting for related tasks to be completed: {}".format(task_name)
 802                 self.logger.debug(logging_text + step)
 803                 await asyncio.wait(task_dependency, timeout=3600)
 804             if ns_params.get("vnf"):
 805                 for vnf in ns_params["vnf"]:
 806                     if "vimAccountId" in vnf:
 807                         task_name, task_dependency = self.lcm_tasks.lookfor_related("vim_account",
 808                                                                                     vnf["vimAccountId"])
 809                     if task_dependency:
 810                         step = "Waiting for related tasks to be completed: {}".format(task_name)
 811                         self.logger.debug(logging_text + step)
 812                         await asyncio.wait(task_dependency, timeout=3600)
 813
 814             step = db_nsr_update["_admin.deployed.RO.detailed-status"] = "Checking instantiation parameters"
 815
 816             RO_ns_params = self.ns_params_2_RO(ns_params, nsd, db_vnfds_ref, n2vc_key_list)
 817
 818             step = db_nsr_update["detailed-status"] = "Deploying ns at VIM"
 819             # step = db_nsr_update["_admin.deployed.RO.detailed-status"] = "Deploying ns at VIM"
 820             desc = await self.RO.create("ns", descriptor=RO_ns_params, name=db_nsr["name"], scenario=RO_nsd_uuid)
 821             RO_nsr_id = db_nsr_update["_admin.deployed.RO.nsr_id"] = desc["uuid"]
 822             db_nsr_update["_admin.nsState"] = "INSTANTIATED"
 823             db_nsr_update["_admin.deployed.RO.nsr_status"] = "BUILD"
 824             self.logger.debug(logging_text + "ns created at RO. RO_id={}".format(desc["uuid"]))
 825         self.update_db_2("nsrs", nsr_id, db_nsr_update)
 826         self._on_update_n2vc_db("nsrs", {"_id": nsr_id}, "_admin.deployed", db_nsr_update)
 827
 828         # wait until NS is ready
 829         step = ns_status_detailed = detailed_status = "Waiting VIM to deploy ns. RO_ns_id={}".format(RO_nsr_id)
 830         detailed_status_old = None
 831         self.logger.debug(logging_text + step)
 832
 833         while time() <= start_deploy + self.total_deploy_timeout:
 834             desc = await self.RO.show("ns", RO_nsr_id)
 835             ns_status, ns_status_info = self.RO.check_ns_status(desc)
 836             db_nsr_update["_admin.deployed.RO.nsr_status"] = ns_status
 837             if ns_status == "ERROR":
 838                 raise ROclient.ROClientException(ns_status_info)
 839             elif ns_status == "BUILD":
 840                 detailed_status = ns_status_detailed + "; {}".format(ns_status_info)
 841             elif ns_status == "ACTIVE":
 842                 step = detailed_status = "Waiting for management IP address reported by the VIM. Updating VNFRs"
 843                 try:
 844                     if vdu_flag:
 845                         self.ns_update_vnfr(db_vnfrs, desc)
 846                     break
 847                 except LcmExceptionNoMgmtIP:
 848                     pass
 849             else:
 850                 assert False, "ROclient.check_ns_status returns unknown {}".format(ns_status)
 851             if detailed_status != detailed_status_old:
 852                 detailed_status_old = db_nsr_update["_admin.deployed.RO.detailed-status"] = detailed_status
 853                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
 854                 self._on_update_n2vc_db("nsrs", {"_id": nsr_id}, "_admin.deployed", db_nsr_update)
 855             await asyncio.sleep(5, loop=self.loop)
 856         else:  # total_deploy_timeout
 857             raise ROclient.ROClientException("Timeout waiting ns to be ready")
 858
 859         step = "Updating NSR"
 860         self.ns_update_nsr(db_nsr_update, db_nsr, desc)
 861
 862         db_nsr_update["_admin.deployed.RO.operational-status"] = "running"
 863         db_nsr["_admin.deployed.RO.detailed-status"] = "Deployed at VIM"
 864         db_nsr_update["_admin.deployed.RO.detailed-status"] = "Deployed at VIM"
 865         self.update_db_2("nsrs", nsr_id, db_nsr_update)
 866         self._on_update_n2vc_db("nsrs", {"_id": nsr_id}, "_admin.deployed", db_nsr_update)
 867
 868         step = "Deployed at VIM"
 869         self.logger.debug(logging_text + step)
 870
 871     async def wait_vm_up_insert_key_ro(self, logging_text, nsr_id, vnfr_id, vdu_id, vdu_index, pub_key=None, user=None):
 872         """
 873         Wait for ip addres at RO, and optionally, insert public key in virtual machine
 874         :param logging_text: prefix use for logging
 875         :param nsr_id:
 876         :param vnfr_id:
 877         :param vdu_id:
 878         :param vdu_index:
 879         :param pub_key: public ssh key to inject, None to skip
 880         :param user: user to apply the public ssh key
 881         :return: IP address
 882         """
 883
 884         # self.logger.debug(logging_text + "Starting wait_vm_up_insert_key_ro")
 885         ro_nsr_id = None
 886         ip_address = None
 887         nb_tries = 0
 888         target_vdu_id = None
 889
 890         while True:
 891
 892             await asyncio.sleep(10, loop=self.loop)
 893             # wait until NS is deployed at RO
 894             if not ro_nsr_id:
 895                 db_nsrs = self.db.get_one("nsrs", {"_id": nsr_id})
 896                 ro_nsr_id = deep_get(db_nsrs, ("_admin", "deployed", "RO", "nsr_id"))
 897             if not ro_nsr_id:
 898                 continue
 899
 900             # get ip address
 901             if not target_vdu_id:
 902                 db_vnfr = self.db.get_one("vnfrs", {"_id": vnfr_id})
 903                 if not vdu_id:
 904                     ip_address = db_vnfr.get("ip-address")
 905                     if not ip_address:
 906                         continue
 907                 for vdur in get_iterable(db_vnfr, "vdur"):
 908                     if (vdur["vdu-id-ref"] == vdu_id and vdur["count-index"] == vdu_index) or \
 909                             (ip_address and vdur.get("ip-address") == ip_address):
 910                         if vdur.get("status") == "ACTIVE":
 911                             target_vdu_id = vdur["vdu-id-ref"]
 912                         elif vdur.get("status") == "ERROR":
 913                             raise LcmException("Cannot inject ssh-key because target VM is in error state")
 914                         break
 915                 else:
 916                     raise LcmException("Not found vnfr_id={}, vdu_index={}, vdu_index={}".format(
 917                         vnfr_id, vdu_id, vdu_index
 918                     ))
 919
 920             if not target_vdu_id:
 921                 continue
 922
 923             # self.logger.debug(logging_text + "IP address={}".format(ip_address))
 924
 925             # inject public key into machine
 926             if pub_key and user:
 927                 # self.logger.debug(logging_text + "Inserting RO key")
 928                 try:
 929                     ro_vm_id = "{}-{}".format(db_vnfr["member-vnf-index-ref"], target_vdu_id)  # TODO add vdu_index
 930                     result_dict = await self.RO.create_action(
 931                         item="ns",
 932                         item_id_name=ro_nsr_id,
 933                         descriptor={"add_public_key": pub_key, "vms": [ro_vm_id], "user": user}
 934                     )
 935                     # result_dict contains the format {VM-id: {vim_result: 200, description: text}}
 936                     if not result_dict or not isinstance(result_dict, dict):
 937                         raise LcmException("Unknown response from RO when injecting key")
 938                     for result in result_dict.values():
 939                         if result.get("vim_result") == 200:
 940                             break
 941                         else:
 942                             raise ROclient.ROClientException("error injecting key: {}".format(
 943                                 result.get("description")))
 944                     break
 945                 except ROclient.ROClientException as e:
 946                     if not nb_tries:
 947                         self.logger.debug(logging_text + "error injecting key: {}. Retrying until {} seconds".
 948                                           format(e, 20*10))
 949                     nb_tries += 1
 950                     if nb_tries >= 20:
 951                         raise LcmException("Reaching max tries injecting key. Error: {}".format(e))
 952             else:
 953                 break
 954
 955         return ip_address
 956
 957     async def instantiate_N2VC(self, logging_text, vca_index, nsi_id, db_nsr, db_vnfr, vdu_id,
 958                                kdu_name, vdu_index, config_descriptor, deploy_params, base_folder):
 959         nsr_id = db_nsr["_id"]
 960         db_update_entry = "_admin.deployed.VCA.{}.".format(vca_index)
 961         vca_deployed_list = db_nsr["_admin"]["deployed"]["VCA"]
 962         vca_deployed = db_nsr["_admin"]["deployed"]["VCA"][vca_index]
 963         db_dict = {
 964             'collection': 'nsrs',
 965             'filter': {'_id': nsr_id},
 966             'path': db_update_entry
 967         }
 968         logging_text += "member_vnf_index={} vdu_id={}, vdu_index={} ".format(db_vnfr["member-vnf-index-ref"],
 969                                                                               vdu_id, vdu_index)
 970
 971         step = ""
 972         try:
 973             vnfr_id = None
 974             if db_vnfr:
 975                 vnfr_id = db_vnfr["_id"]
 976
 977             namespace = "{nsi}.{ns}".format(
 978                 nsi=nsi_id if nsi_id else "",
 979                 ns=nsr_id)
 980             if vnfr_id:
 981                 namespace += "." + vnfr_id
 982                 if vdu_id:
 983                     namespace += ".{}-{}".format(vdu_id, vdu_index or 0)
 984
 985             # Get artifact path
 986             artifact_path = "/{}/{}/charms/{}".format(
 987                 base_folder["folder"],
 988                 base_folder["pkg-dir"],
 989                 config_descriptor["juju"]["charm"]
 990             )
 991
 992             is_proxy_charm = deep_get(config_descriptor, ('juju', 'charm')) is not None
 993             if deep_get(config_descriptor, ('juju', 'proxy')) is False:
 994                 is_proxy_charm = False
 995
 996             # n2vc_redesign STEP 3.1
 997
 998             # find old ee_id if exists
 999             ee_id = vca_deployed.get("ee_id")
1000
1001             # create or register execution environment in VCA
1002             if is_proxy_charm:
1003                 step = "create execution environment"
1004                 self.logger.debug(logging_text + step)
1005                 ee_id, credentials = await self.n2vc.create_execution_environment(namespace=namespace,
1006                                                                                   reuse_ee_id=ee_id,
1007                                                                                   db_dict=db_dict)
1008             else:
1009                 step = "Waiting to VM being up and getting IP address"
1010                 self.logger.debug(logging_text + step)
1011                 rw_mgmt_ip = await self.wait_vm_up_insert_key_ro(logging_text, nsr_id, vnfr_id, vdu_id, vdu_index,
1012                                                                  user=None, pub_key=None)
1013                 credentials = {"hostname": rw_mgmt_ip}
1014                 # get username
1015                 username = deep_get(config_descriptor, ("config-access", "ssh-access", "default-user"))
1016                 # TODO remove this when changes on IM regarding config-access:ssh-access:default-user were
1017                 #  merged. Meanwhile let's get username from initial-config-primitive
1018                 if not username and config_descriptor.get("initial-config-primitive"):
1019                     for config_primitive in config_descriptor["initial-config-primitive"]:
1020                         for param in config_primitive.get("parameter", ()):
1021                             if param["name"] == "ssh-username":
1022                                 username = param["value"]
1023                                 break
1024                 if not username:
1025                     raise LcmException("Cannot determine the username neither with 'initial-config-promitive' nor with "
1026                                        "'config-access.ssh-access.default-user'")
1027                 credentials["username"] = username
1028                 # n2vc_redesign STEP 3.2
1029
1030                 step = "register execution environment {}".format(credentials)
1031                 self.logger.debug(logging_text + step)
1032                 ee_id = await self.n2vc.register_execution_environment(credentials=credentials, namespace=namespace,
1033                                                                        db_dict=db_dict)
1034
1035             # for compatibility with MON/POL modules, the need model and application name at database
1036             # TODO ask to N2VC instead of assuming the format "model_name.application_name"
1037             ee_id_parts = ee_id.split('.')
1038             model_name = ee_id_parts[0]
1039             application_name = ee_id_parts[1]
1040             self.update_db_2("nsrs", nsr_id, {db_update_entry + "model": model_name,
1041                                               db_update_entry + "application": application_name,
1042                                               db_update_entry + "ee_id": ee_id})
1043
1044             # n2vc_redesign STEP 3.3
1045
1046             step = "Install configuration Software"
1047             # TODO check if already done
1048             self.logger.debug(logging_text + step)
1049             await self.n2vc.install_configuration_sw(ee_id=ee_id, artifact_path=artifact_path, db_dict=db_dict)
1050
1051             # if SSH access is required, then get execution environment SSH public
1052             if is_proxy_charm:  # if native charm we have waited already to VM be UP
1053                 pub_key = None
1054                 user = None
1055                 if deep_get(config_descriptor, ("config-access", "ssh-access", "required")):
1056                     # Needed to inject a ssh key
1057                     user = deep_get(config_descriptor, ("config-access", "ssh-access", "default-user"))
1058                     step = "Install configuration Software, getting public ssh key"
1059                     pub_key = await self.n2vc.get_ee_ssh_public__key(ee_id=ee_id, db_dict=db_dict)
1060
1061                     step = "Insert public key into VM"
1062                 else:
1063                     step = "Waiting to VM being up and getting IP address"
1064                 self.logger.debug(logging_text + step)
1065
1066                 # n2vc_redesign STEP 5.1
1067                 # wait for RO (ip-address) Insert pub_key into VM
1068                 rw_mgmt_ip = await self.wait_vm_up_insert_key_ro(logging_text, nsr_id, vnfr_id, vdu_id, vdu_index,
1069                                                                  user=user, pub_key=pub_key)
1070
1071                 self.logger.debug(logging_text + ' VM_ip_address={}'.format(rw_mgmt_ip))
1072
1073             # store rw_mgmt_ip in deploy params for later replacement
1074             deploy_params["rw_mgmt_ip"] = rw_mgmt_ip
1075
1076             # n2vc_redesign STEP 6  Execute initial config primitive
1077             step = 'execute initial config primitive'
1078             initial_config_primitive_list = config_descriptor.get('initial-config-primitive')
1079
1080             # sort initial config primitives by 'seq'
1081             try:
1082                 initial_config_primitive_list.sort(key=lambda val: int(val['seq']))
1083             except Exception as e:
1084                 self.logger.error(logging_text + step + ": " + str(e))
1085
1086             # add config if not present for NS charm
1087             initial_config_primitive_list = self._get_initial_config_primitive_list(initial_config_primitive_list,
1088                                                                                     vca_deployed)
1089
1090             for initial_config_primitive in initial_config_primitive_list:
1091                 # adding information on the vca_deployed if it is a NS execution environment
1092                 if not vca_deployed["member-vnf-index"]:
1093                     deploy_params["ns_config_info"] = self._get_ns_config_info(vca_deployed_list)
1094                 # TODO check if already done
1095                 primitive_params_ = self._map_primitive_params(initial_config_primitive, {}, deploy_params)
1096
1097                 step = "execute primitive '{}' params '{}'".format(initial_config_primitive["name"], primitive_params_)
1098                 self.logger.debug(logging_text + step)
1099                 await self.n2vc.exec_primitive(
1100                     ee_id=ee_id,
1101                     primitive_name=initial_config_primitive["name"],
1102                     params_dict=primitive_params_,
1103                     db_dict=db_dict
1104                 )
1105                 # TODO register in database that primitive is done
1106
1107             step = "instantiated at VCA"
1108             self.logger.debug(logging_text + step)
1109
1110         except Exception as e:  # TODO not use Exception but N2VC exception
1111             raise Exception("{} {}".format(step, e)) from e
1112             # TODO raise N2VC exception with 'step' extra information
1113
1114     async def instantiate(self, nsr_id, nslcmop_id):
1115         """
1116
1117         :param nsr_id: ns instance to deploy
1118         :param nslcmop_id: operation to run
1119         :return:
1120         """
1121
1122         # Try to lock HA task here
1123         task_is_locked_by_me = self.lcm_tasks.lock_HA('ns', 'nslcmops', nslcmop_id)
1124         if not task_is_locked_by_me:
1125             self.logger.debug('instantiate() task is not locked by me')
1126             return
1127
1128         logging_text = "Task ns={} instantiate={} ".format(nsr_id, nslcmop_id)
1129         self.logger.debug(logging_text + "Enter")
1130
1131         # get all needed from database
1132
1133         # database nsrs record
1134         db_nsr = None
1135
1136         # database nslcmops record
1137         db_nslcmop = None
1138
1139         # update operation on nsrs
1140         db_nsr_update = {"_admin.nslcmop": nslcmop_id,
1141                          "_admin.current-operation": nslcmop_id,
1142                          "_admin.operation-type": "instantiate"}
1143         self.update_db_2("nsrs", nsr_id, db_nsr_update)
1144
1145         # update operation on nslcmops
1146         db_nslcmop_update = {}
1147
1148         nslcmop_operation_state = None
1149         db_vnfrs = {}     # vnf's info indexed by member-index
1150         # n2vc_info = {}
1151         task_instantiation_list = []
1152         exc = None
1153         try:
1154             # wait for any previous tasks in process
1155             step = "Waiting for previous operations to terminate"
1156             await self.lcm_tasks.waitfor_related_HA('ns', 'nslcmops', nslcmop_id)
1157
1158             # STEP 0: Reading database (nslcmops, nsrs, nsds, vnfrs, vnfds)
1159
1160             # read from db: operation
1161             step = "Getting nslcmop={} from db".format(nslcmop_id)
1162             db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
1163
1164             # read from db: ns
1165             step = "Getting nsr={} from db".format(nsr_id)
1166             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
1167             # nsd is replicated into ns (no db read)
1168             nsd = db_nsr["nsd"]
1169             # nsr_name = db_nsr["name"]   # TODO short-name??
1170
1171             # read from db: vnf's of this ns
1172             step = "Getting vnfrs from db"
1173             self.logger.debug(logging_text + step)
1174             db_vnfrs_list = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id})
1175
1176             # read from db: vnfd's for every vnf
1177             db_vnfds_ref = {}     # every vnfd data indexed by vnf name
1178             db_vnfds = {}         # every vnfd data indexed by vnf id
1179             db_vnfds_index = {}   # every vnfd data indexed by vnf member-index
1180
1181             # for each vnf in ns, read vnfd
1182             for vnfr in db_vnfrs_list:
1183                 db_vnfrs[vnfr["member-vnf-index-ref"]] = vnfr   # vnf's dict indexed by member-index: '1', '2', etc
1184                 vnfd_id = vnfr["vnfd-id"]                       # vnfd uuid for this vnf
1185                 vnfd_ref = vnfr["vnfd-ref"]                     # vnfd name for this vnf
1186                 # if we haven't this vnfd, read it from db
1187                 if vnfd_id not in db_vnfds:
1188                     # read from cb
1189                     step = "Getting vnfd={} id='{}' from db".format(vnfd_id, vnfd_ref)
1190                     self.logger.debug(logging_text + step)
1191                     vnfd = self.db.get_one("vnfds", {"_id": vnfd_id})
1192
1193                     # store vnfd
1194                     db_vnfds_ref[vnfd_ref] = vnfd     # vnfd's indexed by name
1195                     db_vnfds[vnfd_id] = vnfd          # vnfd's indexed by id
1196                 db_vnfds_index[vnfr["member-vnf-index-ref"]] = db_vnfds[vnfd_id]  # vnfd's indexed by member-index
1197
1198             # Get or generates the _admin.deployed.VCA list
1199             vca_deployed_list = None
1200             if db_nsr["_admin"].get("deployed"):
1201                 vca_deployed_list = db_nsr["_admin"]["deployed"].get("VCA")
1202             if vca_deployed_list is None:
1203                 vca_deployed_list = []
1204                 db_nsr_update["_admin.deployed.VCA"] = vca_deployed_list
1205                 # add _admin.deployed.VCA to db_nsr dictionary, value=vca_deployed_list
1206                 populate_dict(db_nsr, ("_admin", "deployed", "VCA"), vca_deployed_list)
1207             elif isinstance(vca_deployed_list, dict):
1208                 # maintain backward compatibility. Change a dict to list at database
1209                 vca_deployed_list = list(vca_deployed_list.values())
1210                 db_nsr_update["_admin.deployed.VCA"] = vca_deployed_list
1211                 populate_dict(db_nsr, ("_admin", "deployed", "VCA"), vca_deployed_list)
1212
1213             db_nsr_update["detailed-status"] = "creating"
1214             db_nsr_update["operational-status"] = "init"
1215
1216             if not isinstance(deep_get(db_nsr, ("_admin", "deployed", "RO", "vnfd")), list):
1217                 populate_dict(db_nsr, ("_admin", "deployed", "RO", "vnfd"), [])
1218                 db_nsr_update["_admin.deployed.RO.vnfd"] = []
1219
1220             # set state to INSTANTIATED. When instantiated NBI will not delete directly
1221             db_nsr_update["_admin.nsState"] = "INSTANTIATED"
1222             self.update_db_2("nsrs", nsr_id, db_nsr_update)
1223             self.logger.debug(logging_text + "Before deploy_kdus")
1224             db_k8scluster_list = self.db.get_list("k8sclusters", {})
1225             # Call to deploy_kdus in case exists the "vdu:kdu" param
1226             task_kdu = asyncio.ensure_future(
1227                 self.deploy_kdus(
1228                     logging_text=logging_text,
1229                     nsr_id=nsr_id,
1230                     nsd=nsd,
1231                     db_nsr=db_nsr,
1232                     db_nslcmop=db_nslcmop,
1233                     db_vnfrs=db_vnfrs,
1234                     db_vnfds_ref=db_vnfds_ref,
1235                     db_k8scluster=db_k8scluster_list
1236                 )
1237             )
1238             self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "instantiate_KDUs", task_kdu)
1239             task_instantiation_list.append(task_kdu)
1240             # n2vc_redesign STEP 1 Get VCA public ssh-key
1241             # feature 1429. Add n2vc public key to needed VMs
1242             n2vc_key = self.n2vc.get_public_key()
1243             n2vc_key_list = [n2vc_key]
1244             if self.vca_config.get("public_key"):
1245                 n2vc_key_list.append(self.vca_config["public_key"])
1246
1247             # n2vc_redesign STEP 2 Deploy Network Scenario
1248             task_ro = asyncio.ensure_future(
1249                 self.instantiate_RO(
1250                     logging_text=logging_text,
1251                     nsr_id=nsr_id,
1252                     nsd=nsd,
1253                     db_nsr=db_nsr,
1254                     db_nslcmop=db_nslcmop,
1255                     db_vnfrs=db_vnfrs,
1256                     db_vnfds_ref=db_vnfds_ref,
1257                     n2vc_key_list=n2vc_key_list
1258                 )
1259             )
1260             self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "instantiate_RO", task_ro)
1261             task_instantiation_list.append(task_ro)
1262
1263             # n2vc_redesign STEP 3 to 6 Deploy N2VC
1264             step = "Looking for needed vnfd to configure with proxy charm"
1265             self.logger.debug(logging_text + step)
1266
1267             nsi_id = None  # TODO put nsi_id when this nsr belongs to a NSI
1268             # get_iterable() returns a value from a dict or empty tuple if key does not exist
1269             for c_vnf in get_iterable(nsd, "constituent-vnfd"):
1270                 vnfd_id = c_vnf["vnfd-id-ref"]
1271                 vnfd = db_vnfds_ref[vnfd_id]
1272                 member_vnf_index = str(c_vnf["member-vnf-index"])
1273                 db_vnfr = db_vnfrs[member_vnf_index]
1274                 base_folder = vnfd["_admin"]["storage"]
1275                 vdu_id = None
1276                 vdu_index = 0
1277                 vdu_name = None
1278                 kdu_name = None
1279
1280                 # Get additional parameters
1281                 deploy_params = {}
1282                 if db_vnfr.get("additionalParamsForVnf"):
1283                     deploy_params = db_vnfr["additionalParamsForVnf"].copy()
1284                 for k, v in deploy_params.items():
1285                     if isinstance(v, str) and v.startswith("!!yaml "):
1286                         deploy_params[k] = yaml.safe_load(v[7:])
1287
1288                 descriptor_config = vnfd.get("vnf-configuration")
1289                 if descriptor_config and descriptor_config.get("juju"):
1290                     self._deploy_n2vc(
1291                         logging_text=logging_text,
1292                         db_nsr=db_nsr,
1293                         db_vnfr=db_vnfr,
1294                         nslcmop_id=nslcmop_id,
1295                         nsr_id=nsr_id,
1296                         nsi_id=nsi_id,
1297                         vnfd_id=vnfd_id,
1298                         vdu_id=vdu_id,
1299                         kdu_name=kdu_name,
1300                         member_vnf_index=member_vnf_index,
1301                         vdu_index=vdu_index,
1302                         vdu_name=vdu_name,
1303                         deploy_params=deploy_params,
1304                         descriptor_config=descriptor_config,
1305                         base_folder=base_folder,
1306                         task_instantiation_list=task_instantiation_list
1307                     )
1308
1309                 # Deploy charms for each VDU that supports one.
1310                 for vdud in get_iterable(vnfd, 'vdu'):
1311                     vdu_id = vdud["id"]
1312                     descriptor_config = vdud.get('vdu-configuration')
1313                     if descriptor_config and descriptor_config.get("juju"):
1314                         # look for vdu index in the db_vnfr["vdu"] section
1315                         # for vdur_index, vdur in enumerate(db_vnfr["vdur"]):
1316                         #     if vdur["vdu-id-ref"] == vdu_id:
1317                         #         break
1318                         # else:
1319                         #     raise LcmException("Mismatch vdu_id={} not found in the vnfr['vdur'] list for "
1320                         #                        "member_vnf_index={}".format(vdu_id, member_vnf_index))
1321                         # vdu_name = vdur.get("name")
1322                         vdu_name = None
1323                         kdu_name = None
1324                         for vdu_index in range(int(vdud.get("count", 1))):
1325                             # TODO vnfr_params["rw_mgmt_ip"] = vdur["ip-address"]
1326                             self._deploy_n2vc(
1327                                 logging_text=logging_text,
1328                                 db_nsr=db_nsr,
1329                                 db_vnfr=db_vnfr,
1330                                 nslcmop_id=nslcmop_id,
1331                                 nsr_id=nsr_id,
1332                                 nsi_id=nsi_id,
1333                                 vnfd_id=vnfd_id,
1334                                 vdu_id=vdu_id,
1335                                 kdu_name=kdu_name,
1336                                 member_vnf_index=member_vnf_index,
1337                                 vdu_index=vdu_index,
1338                                 vdu_name=vdu_name,
1339                                 deploy_params=deploy_params,
1340                                 descriptor_config=descriptor_config,
1341                                 base_folder=base_folder,
1342                                 task_instantiation_list=task_instantiation_list
1343                             )
1344                 for kdud in get_iterable(vnfd, 'kdu'):
1345                     kdu_name = kdud["name"]
1346                     descriptor_config = kdud.get('kdu-configuration')
1347                     if descriptor_config and descriptor_config.get("juju"):
1348                         vdu_id = None
1349                         vdu_index = 0
1350                         vdu_name = None
1351                         # look for vdu index in the db_vnfr["vdu"] section
1352                         # for vdur_index, vdur in enumerate(db_vnfr["vdur"]):
1353                         #     if vdur["vdu-id-ref"] == vdu_id:
1354                         #         break
1355                         # else:
1356                         #     raise LcmException("Mismatch vdu_id={} not found in the vnfr['vdur'] list for "
1357                         #                        "member_vnf_index={}".format(vdu_id, member_vnf_index))
1358                         # vdu_name = vdur.get("name")
1359                         # vdu_name = None
1360
1361                         self._deploy_n2vc(
1362                             logging_text=logging_text,
1363                             db_nsr=db_nsr,
1364                             db_vnfr=db_vnfr,
1365                             nslcmop_id=nslcmop_id,
1366                             nsr_id=nsr_id,
1367                             nsi_id=nsi_id,
1368                             vnfd_id=vnfd_id,
1369                             vdu_id=vdu_id,
1370                             kdu_name=kdu_name,
1371                             member_vnf_index=member_vnf_index,
1372                             vdu_index=vdu_index,
1373                             vdu_name=vdu_name,
1374                             deploy_params=deploy_params,
1375                             descriptor_config=descriptor_config,
1376                             base_folder=base_folder,
1377                             task_instantiation_list=task_instantiation_list
1378                         )
1379
1380             # Check if this NS has a charm configuration
1381             descriptor_config = nsd.get("ns-configuration")
1382             if descriptor_config and descriptor_config.get("juju"):
1383                 vnfd_id = None
1384                 db_vnfr = None
1385                 member_vnf_index = None
1386                 vdu_id = None
1387                 kdu_name = None
1388                 vdu_index = 0
1389                 vdu_name = None
1390
1391                 # Get additional parameters
1392                 deploy_params = {}
1393                 if db_nsr.get("additionalParamsForNs"):
1394                     deploy_params = db_nsr["additionalParamsForNs"].copy()
1395                 for k, v in deploy_params.items():
1396                     if isinstance(v, str) and v.startswith("!!yaml "):
1397                         deploy_params[k] = yaml.safe_load(v[7:])
1398                 base_folder = nsd["_admin"]["storage"]
1399                 self._deploy_n2vc(
1400                     logging_text=logging_text,
1401                     db_nsr=db_nsr,
1402                     db_vnfr=db_vnfr,
1403                     nslcmop_id=nslcmop_id,
1404                     nsr_id=nsr_id,
1405                     nsi_id=nsi_id,
1406                     vnfd_id=vnfd_id,
1407                     vdu_id=vdu_id,
1408                     kdu_name=kdu_name,
1409                     member_vnf_index=member_vnf_index,
1410                     vdu_index=vdu_index,
1411                     vdu_name=vdu_name,
1412                     deploy_params=deploy_params,
1413                     descriptor_config=descriptor_config,
1414                     base_folder=base_folder,
1415                     task_instantiation_list=task_instantiation_list
1416                 )
1417
1418             # Wait until all tasks of "task_instantiation_list" have been finished
1419
1420             # while time() <= start_deploy + self.total_deploy_timeout:
1421             error_text = None
1422             timeout = 3600  # time() - start_deploy
1423             task_instantiation_set = set(task_instantiation_list)    # build a set with tasks
1424             done = None
1425             pending = None
1426             if len(task_instantiation_set) > 0:
1427                 done, pending = await asyncio.wait(task_instantiation_set, timeout=timeout)
1428             if pending:
1429                 error_text = "timeout"
1430             for task in done:
1431                 if task.cancelled():
1432                     if not error_text:
1433                         error_text = "cancelled"
1434                 elif task.done():
1435                     exc = task.exception()
1436                     if exc:
1437                         error_text = str(exc)
1438
1439             if error_text:
1440                 db_nsr_update["config-status"] = "failed"
1441                 error_text = "fail configuring " + error_text
1442                 db_nsr_update["detailed-status"] = error_text
1443                 db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED_TEMP"
1444                 db_nslcmop_update["detailed-status"] = error_text
1445                 db_nslcmop_update["statusEnteredTime"] = time()
1446             else:
1447                 # all is done
1448                 db_nslcmop_update["operationState"] = nslcmop_operation_state = "COMPLETED"
1449                 db_nslcmop_update["statusEnteredTime"] = time()
1450                 db_nslcmop_update["detailed-status"] = "done"
1451                 db_nsr_update["config-status"] = "configured"
1452                 db_nsr_update["detailed-status"] = "done"
1453
1454         except (ROclient.ROClientException, DbException, LcmException) as e:
1455             self.logger.error(logging_text + "Exit Exception while '{}': {}".format(step, e))
1456             exc = e
1457         except asyncio.CancelledError:
1458             self.logger.error(logging_text + "Cancelled Exception while '{}'".format(step))
1459             exc = "Operation was cancelled"
1460         except Exception as e:
1461             exc = traceback.format_exc()
1462             self.logger.critical(logging_text + "Exit Exception {} while '{}': {}".format(type(e).__name__, step, e),
1463                                  exc_info=True)
1464         finally:
1465             if exc:
1466                 if db_nsr:
1467                     db_nsr_update["detailed-status"] = "ERROR {}: {}".format(step, exc)
1468                     db_nsr_update["operational-status"] = "failed"
1469                 if db_nslcmop:
1470                     db_nslcmop_update["detailed-status"] = "FAILED {}: {}".format(step, exc)
1471                     db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED"
1472                     db_nslcmop_update["statusEnteredTime"] = time()
1473             try:
1474                 if db_nsr:
1475                     db_nsr_update["_admin.nslcmop"] = None
1476                     db_nsr_update["_admin.current-operation"] = None
1477                     db_nsr_update["_admin.operation-type"] = None
1478                     self.update_db_2("nsrs", nsr_id, db_nsr_update)
1479                 if db_nslcmop_update:
1480                     self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
1481             except DbException as e:
1482                 self.logger.error(logging_text + "Cannot update database: {}".format(e))
1483             if nslcmop_operation_state:
1484                 try:
1485                     await self.msg.aiowrite("ns", "instantiated", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,
1486                                                                    "operationState": nslcmop_operation_state},
1487                                             loop=self.loop)
1488                 except Exception as e:
1489                     self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
1490
1491             self.logger.debug(logging_text + "Exit")
1492             self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_instantiate")
1493
1494     async def deploy_kdus(self, logging_text, nsr_id, nsd, db_nsr, db_nslcmop, db_vnfrs, db_vnfds_ref, db_k8scluster):
1495         # Launch kdus if present in the descriptor
1496         logging_text = "Deploy kdus: "
1497         db_nsr_update = {}
1498         db_nsr_update["_admin.deployed.K8s"] = []
1499         try:
1500             # Look for all vnfds
1501             # db_nsr_update["_admin.deployed.K8s"] = []
1502             vnf_update = []
1503             task_list = []
1504             for c_vnf in nsd.get("constituent-vnfd", ()):
1505                 vnfr = db_vnfrs[c_vnf["member-vnf-index"]]
1506                 member_vnf_index = c_vnf["member-vnf-index"]
1507                 vnfd = db_vnfds_ref[c_vnf['vnfd-id-ref']]
1508                 vnfd_ref = vnfd["id"]
1509                 desc_params = {}
1510
1511                 step = "Checking kdu from vnf: {} - member-vnf-index: {}".format(vnfd_ref, member_vnf_index)
1512                 self.logger.debug(logging_text + step)
1513                 if vnfd.get("kdu"):
1514                     step = "vnf: {} has kdus".format(vnfd_ref)
1515                     self.logger.debug(logging_text + step)
1516                     for vnfr_name, vnfr_data in db_vnfrs.items():
1517                         if vnfr_data["vnfd-ref"] == vnfd["id"]:
1518                             if vnfr_data.get("additionalParamsForVnf"):
1519                                 desc_params = self._format_additional_params(vnfr_data["additionalParamsForVnf"])
1520                             break
1521                     else:
1522                         raise LcmException("VNF descriptor not found with id: {}".format(vnfr_data["vnfd-ref"]))
1523                         self.logger.debug(logging_text + step)
1524
1525                     for kdur in vnfr.get("kdur"):
1526                         index = 0
1527                         for k8scluster in db_k8scluster:
1528                             if kdur["k8s-cluster"]["id"] == k8scluster["_id"]:
1529                                 cluster_uuid = k8scluster["cluster-uuid"]
1530                                 break
1531                         else:
1532                             raise LcmException("K8scluster not found with id: {}".format(kdur["k8s-cluster"]["id"]))
1533                             self.logger.debug(logging_text + step)
1534
1535                         step = "Instantiate KDU {} in k8s cluster {}".format(kdur["kdu-name"], cluster_uuid)
1536                         self.logger.debug(logging_text + step)
1537                         for kdu in vnfd.get("kdu"):
1538                             if kdu.get("name") == kdur["kdu-name"]:
1539                                 break
1540                         else:
1541                             raise LcmException("KDU not found with name: {} in VNFD {}".format(kdur["kdu-name"],
1542                                                                                                vnfd["name"]))
1543                             self.logger.debug(logging_text + step)
1544                         kdumodel = None
1545                         k8sclustertype = None
1546                         if kdu.get("helm-chart"):
1547                             kdumodel = kdu["helm-chart"]
1548                             k8sclustertype = "chart"
1549                         elif kdu.get("juju-bundle"):
1550                             kdumodel = kdu["juju-bundle"]
1551                             k8sclustertype = "juju"
1552                         k8s_instace_info = {"kdu-instance": None, "k8scluster-uuid": cluster_uuid,
1553                                             "vnfr-id": vnfr["id"], "k8scluster-type": k8sclustertype,
1554                                             "kdu-name": kdur["kdu-name"], "kdu-model": kdumodel}
1555                         db_nsr_update["_admin.deployed.K8s"].append(k8s_instace_info)
1556                         db_dict = {"collection": "nsrs", "filter": {"_id": nsr_id}, "path": "_admin.deployed.K8s."
1557                                                                                             "{}".format(index)}
1558                         if k8sclustertype == "chart":
1559                             task = self.k8sclusterhelm.install(cluster_uuid=cluster_uuid, kdu_model=kdumodel,
1560                                                                atomic=True, params=desc_params,
1561                                                                db_dict=db_dict, timeout=300)
1562                         else:
1563                             # TODO I need the juju connector in place
1564                             pass
1565                         task_list.append(task)
1566                         index += 1
1567             self.update_db_2("nsrs", nsr_id, db_nsr_update)
1568             done = None
1569             pending = None
1570             if len(task_list) > 0:
1571                 self.logger.debug('Waiting for terminate pending tasks...')
1572                 done, pending = await asyncio.wait(task_list, timeout=3600)
1573                 if not pending:
1574                     for fut in done:
1575                         k8s_instance = fut.result()
1576                         k8s_instace_info = {"kdu-instance": k8s_instance, "k8scluster-uuid": cluster_uuid,
1577                                             "vnfr-id": vnfr["id"], "k8scluster-type": k8sclustertype,
1578                                             "kdu-name": kdur["kdu-name"], "kdu-model": kdumodel}
1579                         vnf_update.append(k8s_instace_info)
1580                     self.logger.debug('All tasks finished...')
1581                 else:
1582                     self.logger.info('There are pending tasks: {}'.format(pending))
1583
1584             db_nsr_update["_admin.deployed.K8s"] = vnf_update
1585         except Exception as e:
1586             self.logger.critical(logging_text + "Exit Exception {} while '{}': {}".format(type(e).__name__, step, e))
1587             raise LcmException("{} Exit Exception {} while '{}': {}".format(logging_text, type(e).__name__, step, e))
1588         finally:
1589             # TODO Write in data base
1590             if db_nsr_update:
1591                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
1592
1593     def _deploy_n2vc(self, logging_text, db_nsr, db_vnfr, nslcmop_id, nsr_id, nsi_id, vnfd_id, vdu_id,
1594                      kdu_name, member_vnf_index, vdu_index, vdu_name, deploy_params, descriptor_config,
1595                      base_folder, task_instantiation_list):
1596         # launch instantiate_N2VC in a asyncio task and register task object
1597         # Look where information of this charm is at database <nsrs>._admin.deployed.VCA
1598         # if not found, create one entry and update database
1599
1600         # fill db_nsr._admin.deployed.VCA.<index>
1601         vca_index = -1
1602         for vca_index, vca_deployed in enumerate(db_nsr["_admin"]["deployed"]["VCA"]):
1603             if not vca_deployed:
1604                 continue
1605             if vca_deployed.get("member-vnf-index") == member_vnf_index and \
1606                     vca_deployed.get("vdu_id") == vdu_id and \
1607                     vca_deployed.get("kdu_name") == kdu_name and \
1608                     vca_deployed.get("vdu_count_index", 0) == vdu_index:
1609                 break
1610         else:
1611             # not found, create one.
1612             vca_deployed = {
1613                 "member-vnf-index": member_vnf_index,
1614                 "vdu_id": vdu_id,
1615                 "kdu_name": kdu_name,
1616                 "vdu_count_index": vdu_index,
1617                 "operational-status": "init",  # TODO revise
1618                 "detailed-status": "",  # TODO revise
1619                 "step": "initial-deploy",   # TODO revise
1620                 "vnfd_id": vnfd_id,
1621                 "vdu_name": vdu_name,
1622             }
1623             vca_index += 1
1624             self.update_db_2("nsrs", nsr_id, {"_admin.deployed.VCA.{}".format(vca_index): vca_deployed})
1625             db_nsr["_admin"]["deployed"]["VCA"].append(vca_deployed)
1626
1627         # Launch task
1628         task_n2vc = asyncio.ensure_future(
1629             self.instantiate_N2VC(
1630                 logging_text=logging_text,
1631                 vca_index=vca_index,
1632                 nsi_id=nsi_id,
1633                 db_nsr=db_nsr,
1634                 db_vnfr=db_vnfr,
1635                 vdu_id=vdu_id,
1636                 kdu_name=kdu_name,
1637                 vdu_index=vdu_index,
1638                 deploy_params=deploy_params,
1639                 config_descriptor=descriptor_config,
1640                 base_folder=base_folder,
1641             )
1642         )
1643         self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "instantiate_N2VC-{}".format(vca_index), task_n2vc)
1644         task_instantiation_list.append(task_n2vc)
1645
1646     # Check if this VNFD has a configured terminate action
1647     def _has_terminate_config_primitive(self, vnfd):
1648         vnf_config = vnfd.get("vnf-configuration")
1649         if vnf_config and vnf_config.get("terminate-config-primitive"):
1650             return True
1651         else:
1652             return False
1653
1654     @staticmethod
1655     def _get_terminate_config_primitive_seq_list(vnfd):
1656         """ Get a numerically sorted list of the sequences for this VNFD's terminate action """
1657         # No need to check for existing primitive twice, already done before
1658         vnf_config = vnfd.get("vnf-configuration")
1659         seq_list = vnf_config.get("terminate-config-primitive")
1660         # Get all 'seq' tags in seq_list, order sequences numerically, ascending.
1661         seq_list_sorted = sorted(seq_list, key=lambda x: int(x['seq']))
1662         return seq_list_sorted
1663
1664     @staticmethod
1665     def _create_nslcmop(nsr_id, operation, params):
1666         """
1667         Creates a ns-lcm-opp content to be stored at database.
1668         :param nsr_id: internal id of the instance
1669         :param operation: instantiate, terminate, scale, action, ...
1670         :param params: user parameters for the operation
1671         :return: dictionary following SOL005 format
1672         """
1673         # Raise exception if invalid arguments
1674         if not (nsr_id and operation and params):
1675             raise LcmException(
1676                 "Parameters 'nsr_id', 'operation' and 'params' needed to create primitive not provided")
1677         now = time()
1678         _id = str(uuid4())
1679         nslcmop = {
1680             "id": _id,
1681             "_id": _id,
1682             # COMPLETED,PARTIALLY_COMPLETED,FAILED_TEMP,FAILED,ROLLING_BACK,ROLLED_BACK
1683             "operationState": "PROCESSING",
1684             "statusEnteredTime": now,
1685             "nsInstanceId": nsr_id,
1686             "lcmOperationType": operation,
1687             "startTime": now,
1688             "isAutomaticInvocation": False,
1689             "operationParams": params,
1690             "isCancelPending": False,
1691             "links": {
1692                 "self": "/osm/nslcm/v1/ns_lcm_op_occs/" + _id,
1693                 "nsInstance": "/osm/nslcm/v1/ns_instances/" + nsr_id,
1694             }
1695         }
1696         return nslcmop
1697
1698     def _format_additional_params(self, params):
1699
1700         for key, value in params.items():
1701             if str(value).startswith("!!yaml "):
1702                 params[key] = yaml.safe_load(value[7:])
1703
1704         return params
1705
1706     def _get_terminate_primitive_params(self, seq, vnf_index):
1707         primitive = seq.get('name')
1708         primitive_params = {}
1709         params = {
1710             "member_vnf_index": vnf_index,
1711             "primitive": primitive,
1712             "primitive_params": primitive_params,
1713         }
1714         desc_params = {}
1715         return self._map_primitive_params(seq, params, desc_params)
1716
1717     # sub-operations
1718
1719     def _reintent_or_skip_suboperation(self, db_nslcmop, op_index):
1720         op = db_nslcmop.get('_admin', {}).get('operations', [])[op_index]
1721         if (op.get('operationState') == 'COMPLETED'):
1722             # b. Skip sub-operation
1723             # _ns_execute_primitive() or RO.create_action() will NOT be executed
1724             return self.SUBOPERATION_STATUS_SKIP
1725         else:
1726             # c. Reintent executing sub-operation
1727             # The sub-operation exists, and operationState != 'COMPLETED'
1728             # Update operationState = 'PROCESSING' to indicate a reintent.
1729             operationState = 'PROCESSING'
1730             detailed_status = 'In progress'
1731             self._update_suboperation_status(
1732                 db_nslcmop, op_index, operationState, detailed_status)
1733             # Return the sub-operation index
1734             # _ns_execute_primitive() or RO.create_action() will be called from scale()
1735             # with arguments extracted from the sub-operation
1736             return op_index
1737
1738     # Find a sub-operation where all keys in a matching dictionary must match
1739     # Returns the index of the matching sub-operation, or SUBOPERATION_STATUS_NOT_FOUND if no match
1740     def _find_suboperation(self, db_nslcmop, match):
1741         if (db_nslcmop and match):
1742             op_list = db_nslcmop.get('_admin', {}).get('operations', [])
1743             for i, op in enumerate(op_list):
1744                 if all(op.get(k) == match[k] for k in match):
1745                     return i
1746         return self.SUBOPERATION_STATUS_NOT_FOUND
1747
1748     # Update status for a sub-operation given its index
1749     def _update_suboperation_status(self, db_nslcmop, op_index, operationState, detailed_status):
1750         # Update DB for HA tasks
1751         q_filter = {'_id': db_nslcmop['_id']}
1752         update_dict = {'_admin.operations.{}.operationState'.format(op_index): operationState,
1753                        '_admin.operations.{}.detailed-status'.format(op_index): detailed_status}
1754         self.db.set_one("nslcmops",
1755                         q_filter=q_filter,
1756                         update_dict=update_dict,
1757                         fail_on_empty=False)
1758
1759     # Add sub-operation, return the index of the added sub-operation
1760     # Optionally, set operationState, detailed-status, and operationType
1761     # Status and type are currently set for 'scale' sub-operations:
1762     # 'operationState' : 'PROCESSING' | 'COMPLETED' | 'FAILED'
1763     # 'detailed-status' : status message
1764     # 'operationType': may be any type, in the case of scaling: 'PRE-SCALE' | 'POST-SCALE'
1765     # Status and operation type are currently only used for 'scale', but NOT for 'terminate' sub-operations.
1766     def _add_suboperation(self, db_nslcmop, vnf_index, vdu_id, vdu_count_index, vdu_name, primitive,
1767                           mapped_primitive_params, operationState=None, detailed_status=None, operationType=None,
1768                           RO_nsr_id=None, RO_scaling_info=None):
1769         if not (db_nslcmop):
1770             return self.SUBOPERATION_STATUS_NOT_FOUND
1771         # Get the "_admin.operations" list, if it exists
1772         db_nslcmop_admin = db_nslcmop.get('_admin', {})
1773         op_list = db_nslcmop_admin.get('operations')
1774         # Create or append to the "_admin.operations" list
1775         new_op = {'member_vnf_index': vnf_index,
1776                   'vdu_id': vdu_id,
1777                   'vdu_count_index': vdu_count_index,
1778                   'primitive': primitive,
1779                   'primitive_params': mapped_primitive_params}
1780         if operationState:
1781             new_op['operationState'] = operationState
1782         if detailed_status:
1783             new_op['detailed-status'] = detailed_status
1784         if operationType:
1785             new_op['lcmOperationType'] = operationType
1786         if RO_nsr_id:
1787             new_op['RO_nsr_id'] = RO_nsr_id
1788         if RO_scaling_info:
1789             new_op['RO_scaling_info'] = RO_scaling_info
1790         if not op_list:
1791             # No existing operations, create key 'operations' with current operation as first list element
1792             db_nslcmop_admin.update({'operations': [new_op]})
1793             op_list = db_nslcmop_admin.get('operations')
1794         else:
1795             # Existing operations, append operation to list
1796             op_list.append(new_op)
1797
1798         db_nslcmop_update = {'_admin.operations': op_list}
1799         self.update_db_2("nslcmops", db_nslcmop['_id'], db_nslcmop_update)
1800         op_index = len(op_list) - 1
1801         return op_index
1802
1803     # Helper methods for scale() sub-operations
1804
1805     # pre-scale/post-scale:
1806     # Check for 3 different cases:
1807     # a. New: First time execution, return SUBOPERATION_STATUS_NEW
1808     # b. Skip: Existing sub-operation exists, operationState == 'COMPLETED', return SUBOPERATION_STATUS_SKIP
1809     # c. Reintent: Existing sub-operation exists, operationState != 'COMPLETED', return op_index to re-execute
1810     def _check_or_add_scale_suboperation(self, db_nslcmop, vnf_index, vnf_config_primitive, primitive_params,
1811                                          operationType, RO_nsr_id=None, RO_scaling_info=None):
1812         # Find this sub-operation
1813         if (RO_nsr_id and RO_scaling_info):
1814             operationType = 'SCALE-RO'
1815             match = {
1816                 'member_vnf_index': vnf_index,
1817                 'RO_nsr_id': RO_nsr_id,
1818                 'RO_scaling_info': RO_scaling_info,
1819             }
1820         else:
1821             match = {
1822                 'member_vnf_index': vnf_index,
1823                 'primitive': vnf_config_primitive,
1824                 'primitive_params': primitive_params,
1825                 'lcmOperationType': operationType
1826             }
1827         op_index = self._find_suboperation(db_nslcmop, match)
1828         if (op_index == self.SUBOPERATION_STATUS_NOT_FOUND):
1829             # a. New sub-operation
1830             # The sub-operation does not exist, add it.
1831             # _ns_execute_primitive() will be called from scale() as usual, with non-modified arguments
1832             # The following parameters are set to None for all kind of scaling:
1833             vdu_id = None
1834             vdu_count_index = None
1835             vdu_name = None
1836             if (RO_nsr_id and RO_scaling_info):
1837                 vnf_config_primitive = None
1838                 primitive_params = None
1839             else:
1840                 RO_nsr_id = None
1841                 RO_scaling_info = None
1842             # Initial status for sub-operation
1843             operationState = 'PROCESSING'
1844             detailed_status = 'In progress'
1845             # Add sub-operation for pre/post-scaling (zero or more operations)
1846             self._add_suboperation(db_nslcmop,
1847                                    vnf_index,
1848                                    vdu_id,
1849                                    vdu_count_index,
1850                                    vdu_name,
1851                                    vnf_config_primitive,
1852                                    primitive_params,
1853                                    operationState,
1854                                    detailed_status,
1855                                    operationType,
1856                                    RO_nsr_id,
1857                                    RO_scaling_info)
1858             return self.SUBOPERATION_STATUS_NEW
1859         else:
1860             # Return either SUBOPERATION_STATUS_SKIP (operationState == 'COMPLETED'),
1861             # or op_index (operationState != 'COMPLETED')
1862             return self._reintent_or_skip_suboperation(db_nslcmop, op_index)
1863
1864     # Helper methods for terminate()
1865
1866     async def _terminate_action(self, db_nslcmop, nslcmop_id, nsr_id):
1867         """ Create a primitive with params from VNFD
1868             Called from terminate() before deleting instance
1869             Calls action() to execute the primitive """
1870         logging_text = "Task ns={} _terminate_action={} ".format(nsr_id, nslcmop_id)
1871         db_vnfrs_list = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id})
1872         db_vnfds = {}
1873         # Loop over VNFRs
1874         for vnfr in db_vnfrs_list:
1875             vnfd_id = vnfr["vnfd-id"]
1876             vnf_index = vnfr["member-vnf-index-ref"]
1877             if vnfd_id not in db_vnfds:
1878                 step = "Getting vnfd={} id='{}' from db".format(vnfd_id, vnfd_id)
1879                 vnfd = self.db.get_one("vnfds", {"_id": vnfd_id})
1880                 db_vnfds[vnfd_id] = vnfd
1881             vnfd = db_vnfds[vnfd_id]
1882             if not self._has_terminate_config_primitive(vnfd):
1883                 continue
1884             # Get the primitive's sorted sequence list
1885             seq_list = self._get_terminate_config_primitive_seq_list(vnfd)
1886             for seq in seq_list:
1887                 # For each sequence in list, get primitive and call _ns_execute_primitive()
1888                 step = "Calling terminate action for vnf_member_index={} primitive={}".format(
1889                     vnf_index, seq.get("name"))
1890                 self.logger.debug(logging_text + step)
1891                 # Create the primitive for each sequence, i.e. "primitive": "touch"
1892                 primitive = seq.get('name')
1893                 mapped_primitive_params = self._get_terminate_primitive_params(seq, vnf_index)
1894                 # The following 3 parameters are currently set to None for 'terminate':
1895                 # vdu_id, vdu_count_index, vdu_name
1896                 vdu_id = db_nslcmop["operationParams"].get("vdu_id")
1897                 vdu_count_index = db_nslcmop["operationParams"].get("vdu_count_index")
1898                 vdu_name = db_nslcmop["operationParams"].get("vdu_name")
1899                 # Add sub-operation
1900                 self._add_suboperation(db_nslcmop,
1901                                        nslcmop_id,
1902                                        vnf_index,
1903                                        vdu_id,
1904                                        vdu_count_index,
1905                                        vdu_name,
1906                                        primitive,
1907                                        mapped_primitive_params)
1908                 # Sub-operations: Call _ns_execute_primitive() instead of action()
1909                 # db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
1910                 # nsr_deployed = db_nsr["_admin"]["deployed"]
1911
1912                 # nslcmop_operation_state, nslcmop_operation_state_detail = await self.action(
1913                 #    nsr_id, nslcmop_terminate_action_id)
1914                 # Launch Exception if action() returns other than ['COMPLETED', 'PARTIALLY_COMPLETED']
1915                 # result_ok = ['COMPLETED', 'PARTIALLY_COMPLETED']
1916                 # if result not in result_ok:
1917                 #     raise LcmException(
1918                 #         "terminate_primitive_action for vnf_member_index={}",
1919                 #         " primitive={} fails with error {}".format(
1920                 #             vnf_index, seq.get("name"), result_detail))
1921
1922                 # TODO: find ee_id
1923                 ee_id = None
1924                 try:
1925                     await self.n2vc.exec_primitive(
1926                         ee_id=ee_id,
1927                         primitive_name=primitive,
1928                         params_dict=mapped_primitive_params
1929                     )
1930                 except Exception as e:
1931                     self.logger.error('Error executing primitive {}: {}'.format(primitive, e))
1932                     raise LcmException(
1933                         "terminate_primitive_action for vnf_member_index={}, primitive={} fails with error {}"
1934                         .format(vnf_index, seq.get("name"), e),
1935                     )
1936
1937     async def terminate(self, nsr_id, nslcmop_id):
1938
1939         # Try to lock HA task here
1940         task_is_locked_by_me = self.lcm_tasks.lock_HA('ns', 'nslcmops', nslcmop_id)
1941         if not task_is_locked_by_me:
1942             return
1943
1944         logging_text = "Task ns={} terminate={} ".format(nsr_id, nslcmop_id)
1945         self.logger.debug(logging_text + "Enter")
1946         db_nsr = None
1947         db_nslcmop = None
1948         exc = None
1949         failed_detail = []   # annotates all failed error messages
1950         db_nsr_update = {"_admin.nslcmop": nslcmop_id,
1951                          "_admin.current-operation": nslcmop_id,
1952                          "_admin.operation-type": "terminate"}
1953         self.update_db_2("nsrs", nsr_id, db_nsr_update)
1954         db_nslcmop_update = {}
1955         nslcmop_operation_state = None
1956         autoremove = False  # autoremove after terminated
1957         pending_tasks = []
1958         try:
1959             # wait for any previous tasks in process
1960             step = "Waiting for previous operations to terminate"
1961             await self.lcm_tasks.waitfor_related_HA("ns", 'nslcmops', nslcmop_id)
1962
1963             step = "Getting nslcmop={} from db".format(nslcmop_id)
1964             db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
1965             step = "Getting nsr={} from db".format(nsr_id)
1966             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
1967             # nsd = db_nsr["nsd"]
1968             nsr_deployed = deepcopy(db_nsr["_admin"].get("deployed"))
1969             if db_nsr["_admin"]["nsState"] == "NOT_INSTANTIATED":
1970                 return
1971             # #TODO check if VIM is creating and wait
1972             # RO_vim_id = db_vim["_admin"]["deployed"]["RO"]
1973             # Call internal terminate action
1974             await self._terminate_action(db_nslcmop, nslcmop_id, nsr_id)
1975
1976             pending_tasks = []
1977
1978             db_nsr_update["operational-status"] = "terminating"
1979             db_nsr_update["config-status"] = "terminating"
1980
1981             # remove NS
1982             try:
1983                 step = "delete execution environment"
1984                 self.logger.debug(logging_text + step)
1985
1986                 task_delete_ee = asyncio.ensure_future(self.n2vc.delete_namespace(namespace="." + nsr_id))
1987                 pending_tasks.append(task_delete_ee)
1988             except Exception as e:
1989                 msg = "Failed while deleting NS in VCA: {}".format(e)
1990                 self.logger.error(msg)
1991                 failed_detail.append(msg)
1992
1993             try:
1994                 # Delete from k8scluster
1995                 step = "delete kdus"
1996                 self.logger.debug(logging_text + step)
1997                 print(nsr_deployed)
1998                 if nsr_deployed:
1999                     for kdu in nsr_deployed.get("K8s"):
2000                         if kdu.get("k8scluster-type") == "chart":
2001                             task_delete_kdu_instance = asyncio.ensure_future(self.k8sclusterhelm.uninstall(
2002                                 cluster_uuid=kdu.get("k8scluster-uuid"), kdu_instance=kdu.get("kdu-instance")))
2003                         elif kdu.get("k8scluster-type") == "juju":
2004                             # TODO Juju connector needed
2005                             pass
2006                         else:
2007                             msg = "k8scluster-type not defined"
2008                             raise LcmException(msg)
2009
2010                         pending_tasks.append(task_delete_kdu_instance)
2011             except LcmException as e:
2012                 msg = "Failed while deleting KDUs from NS: {}".format(e)
2013                 self.logger.error(msg)
2014                 failed_detail.append(msg)
2015
2016             # remove from RO
2017             RO_fail = False
2018
2019             # Delete ns
2020             RO_nsr_id = RO_delete_action = None
2021             if nsr_deployed and nsr_deployed.get("RO"):
2022                 RO_nsr_id = nsr_deployed["RO"].get("nsr_id")
2023                 RO_delete_action = nsr_deployed["RO"].get("nsr_delete_action_id")
2024             try:
2025                 if RO_nsr_id:
2026                     step = db_nsr_update["detailed-status"] = db_nslcmop_update["detailed-status"] = \
2027                         "Deleting ns from VIM"
2028                     self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
2029                     self.update_db_2("nsrs", nsr_id, db_nsr_update)
2030                     self.logger.debug(logging_text + step)
2031                     desc = await self.RO.delete("ns", RO_nsr_id)
2032                     RO_delete_action = desc["action_id"]
2033                     db_nsr_update["_admin.deployed.RO.nsr_delete_action_id"] = RO_delete_action
2034                     db_nsr_update["_admin.deployed.RO.nsr_id"] = None
2035                     db_nsr_update["_admin.deployed.RO.nsr_status"] = "DELETED"
2036                 if RO_delete_action:
2037                     # wait until NS is deleted from VIM
2038                     step = detailed_status = "Waiting ns deleted from VIM. RO_id={} RO_delete_action={}".\
2039                         format(RO_nsr_id, RO_delete_action)
2040                     detailed_status_old = None
2041                     self.logger.debug(logging_text + step)
2042
2043                     delete_timeout = 20 * 60   # 20 minutes
2044                     while delete_timeout > 0:
2045                         desc = await self.RO.show(
2046                             "ns",
2047                             item_id_name=RO_nsr_id,
2048                             extra_item="action",
2049                             extra_item_id=RO_delete_action)
2050                         ns_status, ns_status_info = self.RO.check_action_status(desc)
2051                         if ns_status == "ERROR":
2052                             raise ROclient.ROClientException(ns_status_info)
2053                         elif ns_status == "BUILD":
2054                             detailed_status = step + "; {}".format(ns_status_info)
2055                         elif ns_status == "ACTIVE":
2056                             db_nsr_update["_admin.deployed.RO.nsr_delete_action_id"] = None
2057                             db_nsr_update["_admin.deployed.RO.nsr_status"] = "DELETED"
2058                             break
2059                         else:
2060                             assert False, "ROclient.check_action_status returns unknown {}".format(ns_status)
2061                         if detailed_status != detailed_status_old:
2062                             detailed_status_old = db_nslcmop_update["detailed-status"] = \
2063                                 db_nsr_update["detailed-status"] = detailed_status
2064                             self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
2065                             self.update_db_2("nsrs", nsr_id, db_nsr_update)
2066                         await asyncio.sleep(5, loop=self.loop)
2067                         delete_timeout -= 5
2068                     else:  # delete_timeout <= 0:
2069                         raise ROclient.ROClientException("Timeout waiting ns deleted from VIM")
2070
2071             except ROclient.ROClientException as e:
2072                 if e.http_code == 404:  # not found
2073                     db_nsr_update["_admin.deployed.RO.nsr_id"] = None
2074                     db_nsr_update["_admin.deployed.RO.nsr_status"] = "DELETED"
2075                     db_nsr_update["_admin.deployed.RO.nsr_delete_action_id"] = None
2076                     self.logger.debug(logging_text + "RO_ns_id={} already deleted".format(RO_nsr_id))
2077                 elif e.http_code == 409:   # conflict
2078                     failed_detail.append("RO_ns_id={} delete conflict: {}".format(RO_nsr_id, e))
2079                     self.logger.debug(logging_text + failed_detail[-1])
2080                     RO_fail = True
2081                 else:
2082                     failed_detail.append("RO_ns_id={} delete error: {}".format(RO_nsr_id, e))
2083                     self.logger.error(logging_text + failed_detail[-1])
2084                     RO_fail = True
2085
2086             # Delete nsd
2087             if not RO_fail and nsr_deployed and nsr_deployed.get("RO") and nsr_deployed["RO"].get("nsd_id"):
2088                 RO_nsd_id = nsr_deployed["RO"]["nsd_id"]
2089                 try:
2090                     step = db_nsr_update["detailed-status"] = db_nslcmop_update["detailed-status"] =\
2091                         "Deleting nsd from RO"
2092                     await self.RO.delete("nsd", RO_nsd_id)
2093                     self.logger.debug(logging_text + "RO_nsd_id={} deleted".format(RO_nsd_id))
2094                     db_nsr_update["_admin.deployed.RO.nsd_id"] = None
2095                 except ROclient.ROClientException as e:
2096                     if e.http_code == 404:  # not found
2097                         db_nsr_update["_admin.deployed.RO.nsd_id"] = None
2098                         self.logger.debug(logging_text + "RO_nsd_id={} already deleted".format(RO_nsd_id))
2099                     elif e.http_code == 409:   # conflict
2100                         failed_detail.append("RO_nsd_id={} delete conflict: {}".format(RO_nsd_id, e))
2101                         self.logger.debug(logging_text + failed_detail[-1])
2102                         RO_fail = True
2103                     else:
2104                         failed_detail.append("RO_nsd_id={} delete error: {}".format(RO_nsd_id, e))
2105                         self.logger.error(logging_text + failed_detail[-1])
2106                         RO_fail = True
2107
2108             if not RO_fail and nsr_deployed and nsr_deployed.get("RO") and nsr_deployed["RO"].get("vnfd"):
2109                 for index, vnf_deployed in enumerate(nsr_deployed["RO"]["vnfd"]):
2110                     if not vnf_deployed or not vnf_deployed["id"]:
2111                         continue
2112                     try:
2113                         RO_vnfd_id = vnf_deployed["id"]
2114                         step = db_nsr_update["detailed-status"] = db_nslcmop_update["detailed-status"] =\
2115                             "Deleting member_vnf_index={} RO_vnfd_id={} from RO".format(
2116                                 vnf_deployed["member-vnf-index"], RO_vnfd_id)
2117                         await self.RO.delete("vnfd", RO_vnfd_id)
2118                         self.logger.debug(logging_text + "RO_vnfd_id={} deleted".format(RO_vnfd_id))
2119                         db_nsr_update["_admin.deployed.RO.vnfd.{}.id".format(index)] = None
2120                     except ROclient.ROClientException as e:
2121                         if e.http_code == 404:  # not found
2122                             db_nsr_update["_admin.deployed.RO.vnfd.{}.id".format(index)] = None
2123                             self.logger.debug(logging_text + "RO_vnfd_id={} already deleted ".format(RO_vnfd_id))
2124                         elif e.http_code == 409:   # conflict
2125                             failed_detail.append("RO_vnfd_id={} delete conflict: {}".format(RO_vnfd_id, e))
2126                             self.logger.debug(logging_text + failed_detail[-1])
2127                         else:
2128                             failed_detail.append("RO_vnfd_id={} delete error: {}".format(RO_vnfd_id, e))
2129                             self.logger.error(logging_text + failed_detail[-1])
2130
2131             if failed_detail:
2132                 self.logger.error(logging_text + " ;".join(failed_detail))
2133                 db_nsr_update["operational-status"] = "failed"
2134                 db_nsr_update["detailed-status"] = "Deletion errors " + "; ".join(failed_detail)
2135                 db_nslcmop_update["detailed-status"] = "; ".join(failed_detail)
2136                 db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED"
2137                 db_nslcmop_update["statusEnteredTime"] = time()
2138             else:
2139                 db_nsr_update["operational-status"] = "terminated"
2140                 db_nsr_update["detailed-status"] = "Done"
2141                 db_nsr_update["_admin.nsState"] = "NOT_INSTANTIATED"
2142                 db_nslcmop_update["detailed-status"] = "Done"
2143                 db_nslcmop_update["operationState"] = nslcmop_operation_state = "COMPLETED"
2144                 db_nslcmop_update["statusEnteredTime"] = time()
2145                 if db_nslcmop["operationParams"].get("autoremove"):
2146                     autoremove = True
2147
2148         except (ROclient.ROClientException, DbException, LcmException) as e:
2149             self.logger.error(logging_text + "Exit Exception {}".format(e))
2150             exc = e
2151         except asyncio.CancelledError:
2152             self.logger.error(logging_text + "Cancelled Exception while '{}'".format(step))
2153             exc = "Operation was cancelled"
2154         except Exception as e:
2155             exc = traceback.format_exc()
2156             self.logger.critical(logging_text + "Exit Exception {}".format(e), exc_info=True)
2157         finally:
2158             if exc and db_nslcmop:
2159                 db_nslcmop_update["detailed-status"] = "FAILED {}: {}".format(step, exc)
2160                 db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED"
2161                 db_nslcmop_update["statusEnteredTime"] = time()
2162             try:
2163                 if db_nslcmop and db_nslcmop_update:
2164                     self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
2165                 if db_nsr:
2166                     db_nsr_update["_admin.nslcmop"] = None
2167                     db_nsr_update["_admin.current-operation"] = None
2168                     db_nsr_update["_admin.operation-type"] = None
2169                     self.update_db_2("nsrs", nsr_id, db_nsr_update)
2170             except DbException as e:
2171                 self.logger.error(logging_text + "Cannot update database: {}".format(e))
2172             if nslcmop_operation_state:
2173                 try:
2174                     await self.msg.aiowrite("ns", "terminated", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,
2175                                                                  "operationState": nslcmop_operation_state,
2176                                                                  "autoremove": autoremove},
2177                                             loop=self.loop)
2178                 except Exception as e:
2179                     self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
2180
2181             # wait for pending tasks
2182             done = None
2183             pending = None
2184             if pending_tasks:
2185                 self.logger.debug(logging_text + 'Waiting for terminate pending tasks...')
2186                 done, pending = await asyncio.wait(pending_tasks, timeout=3600)
2187                 if not pending:
2188                     self.logger.debug(logging_text + 'All tasks finished...')
2189                 else:
2190                     self.logger.info(logging_text + 'There are pending tasks: {}'.format(pending))
2191
2192             self.logger.debug(logging_text + "Exit")
2193             self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_terminate")
2194
2195     @staticmethod
2196     def _map_primitive_params(primitive_desc, params, instantiation_params):
2197         """
2198         Generates the params to be provided to charm before executing primitive. If user does not provide a parameter,
2199         The default-value is used. If it is between < > it look for a value at instantiation_params
2200         :param primitive_desc: portion of VNFD/NSD that describes primitive
2201         :param params: Params provided by user
2202         :param instantiation_params: Instantiation params provided by user
2203         :return: a dictionary with the calculated params
2204         """
2205         calculated_params = {}
2206         for parameter in primitive_desc.get("parameter", ()):
2207             param_name = parameter["name"]
2208             if param_name in params:
2209                 calculated_params[param_name] = params[param_name]
2210             elif "default-value" in parameter or "value" in parameter:
2211                 if "value" in parameter:
2212                     calculated_params[param_name] = parameter["value"]
2213                 else:
2214                     calculated_params[param_name] = parameter["default-value"]
2215                 if isinstance(calculated_params[param_name], str) and calculated_params[param_name].startswith("<") \
2216                         and calculated_params[param_name].endswith(">"):
2217                     if calculated_params[param_name][1:-1] in instantiation_params:
2218                         calculated_params[param_name] = instantiation_params[calculated_params[param_name][1:-1]]
2219                     else:
2220                         raise LcmException("Parameter {} needed to execute primitive {} not provided".
2221                                            format(calculated_params[param_name], primitive_desc["name"]))
2222             else:
2223                 raise LcmException("Parameter {} needed to execute primitive {} not provided".
2224                                    format(param_name, primitive_desc["name"]))
2225
2226             if isinstance(calculated_params[param_name], (dict, list, tuple)):
2227                 calculated_params[param_name] = yaml.safe_dump(calculated_params[param_name], default_flow_style=True,
2228                                                                width=256)
2229             elif isinstance(calculated_params[param_name], str) and calculated_params[param_name].startswith("!!yaml "):
2230                 calculated_params[param_name] = calculated_params[param_name][7:]
2231
2232         # add always ns_config_info if primitive name is config
2233         if primitive_desc["name"] == "config":
2234             if "ns_config_info" in instantiation_params:
2235                 calculated_params["ns_config_info"] = instantiation_params["ns_config_info"]
2236         return calculated_params
2237
2238     async def _ns_execute_primitive(self, db_deployed, member_vnf_index, vdu_id, vdu_name, vdu_count_index,
2239                                     primitive, primitive_params, retries=0, retries_interval=30) -> (str, str):
2240
2241         # find vca_deployed record for this action
2242         try:
2243             for vca_deployed in db_deployed["VCA"]:
2244                 if not vca_deployed:
2245                     continue
2246                 if member_vnf_index != vca_deployed["member-vnf-index"] or vdu_id != vca_deployed["vdu_id"]:
2247                     continue
2248                 if vdu_name and vdu_name != vca_deployed["vdu_name"]:
2249                     continue
2250                 if vdu_count_index and vdu_count_index != vca_deployed["vdu_count_index"]:
2251                     continue
2252                 break
2253             else:
2254                 # vca_deployed not found
2255                 raise LcmException("charm for member_vnf_index={} vdu_id={} vdu_name={} vdu_count_index={} is not "
2256                                    "deployed".format(member_vnf_index, vdu_id, vdu_name, vdu_count_index))
2257
2258             # get ee_id
2259             ee_id = vca_deployed.get("ee_id")
2260             if not ee_id:
2261                 raise LcmException("charm for member_vnf_index={} vdu_id={} vdu_name={} vdu_count_index={} has not "
2262                                    "execution environment"
2263                                    .format(member_vnf_index, vdu_id, vdu_name, vdu_count_index))
2264
2265             if primitive == "config":
2266                 primitive_params = {"params": primitive_params}
2267
2268             while retries >= 0:
2269                 try:
2270                     output = await self.n2vc.exec_primitive(
2271                         ee_id=ee_id,
2272                         primitive_name=primitive,
2273                         params_dict=primitive_params
2274                     )
2275                     # execution was OK
2276                     break
2277                 except Exception as e:
2278                     retries -= 1
2279                     if retries >= 0:
2280                         self.logger.debug('Error executing action {} on {} -> {}'.format(primitive, ee_id, e))
2281                         # wait and retry
2282                         await asyncio.sleep(retries_interval, loop=self.loop)
2283                     else:
2284                         return 'Cannot execute action {} on {}: {}'.format(primitive, ee_id, e), 'FAIL'
2285
2286             return output, 'OK'
2287
2288         except Exception as e:
2289             return 'Error executing action {}: {}'.format(primitive, e), 'FAIL'
2290
2291     async def action(self, nsr_id, nslcmop_id):
2292
2293         # Try to lock HA task here
2294         task_is_locked_by_me = self.lcm_tasks.lock_HA('ns', 'nslcmops', nslcmop_id)
2295         if not task_is_locked_by_me:
2296             return
2297
2298         logging_text = "Task ns={} action={} ".format(nsr_id, nslcmop_id)
2299         self.logger.debug(logging_text + "Enter")
2300         # get all needed from database
2301         db_nsr = None
2302         db_nslcmop = None
2303         db_nsr_update = {"_admin.nslcmop": nslcmop_id,
2304                          "_admin.current-operation": nslcmop_id,
2305                          "_admin.operation-type": "action"}
2306         self.update_db_2("nsrs", nsr_id, db_nsr_update)
2307         db_nslcmop_update = {}
2308         nslcmop_operation_state = None
2309         nslcmop_operation_state_detail = None
2310         exc = None
2311         try:
2312             # wait for any previous tasks in process
2313             step = "Waiting for previous operations to terminate"
2314             await self.lcm_tasks.waitfor_related_HA('ns', 'nslcmops', nslcmop_id)
2315
2316             step = "Getting information from database"
2317             db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
2318             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
2319
2320             nsr_deployed = db_nsr["_admin"].get("deployed")
2321             vnf_index = db_nslcmop["operationParams"].get("member_vnf_index")
2322             vdu_id = db_nslcmop["operationParams"].get("vdu_id")
2323             kdu_name = db_nslcmop["operationParams"].get("kdu_name")
2324             vdu_count_index = db_nslcmop["operationParams"].get("vdu_count_index")
2325             vdu_name = db_nslcmop["operationParams"].get("vdu_name")
2326
2327             if vnf_index:
2328                 step = "Getting vnfr from database"
2329                 db_vnfr = self.db.get_one("vnfrs", {"member-vnf-index-ref": vnf_index, "nsr-id-ref": nsr_id})
2330                 step = "Getting vnfd from database"
2331                 db_vnfd = self.db.get_one("vnfds", {"_id": db_vnfr["vnfd-id"]})
2332             else:
2333                 if db_nsr.get("nsd"):
2334                     db_nsd = db_nsr.get("nsd")    # TODO this will be removed
2335                 else:
2336                     step = "Getting nsd from database"
2337                     db_nsd = self.db.get_one("nsds", {"_id": db_nsr["nsd-id"]})
2338
2339             # for backward compatibility
2340             if nsr_deployed and isinstance(nsr_deployed.get("VCA"), dict):
2341                 nsr_deployed["VCA"] = list(nsr_deployed["VCA"].values())
2342                 db_nsr_update["_admin.deployed.VCA"] = nsr_deployed["VCA"]
2343                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
2344
2345             primitive = db_nslcmop["operationParams"]["primitive"]
2346             primitive_params = db_nslcmop["operationParams"]["primitive_params"]
2347
2348             # look for primitive
2349             config_primitive_desc = None
2350             if vdu_id:
2351                 for vdu in get_iterable(db_vnfd, "vdu"):
2352                     if vdu_id == vdu["id"]:
2353                         for config_primitive in vdu.get("vdu-configuration", {}).get("config-primitive", ()):
2354                             if config_primitive["name"] == primitive:
2355                                 config_primitive_desc = config_primitive
2356                                 break
2357             elif kdu_name:
2358                 self.logger.debug(logging_text + "Checking actions in KDUs")
2359                 desc_params = {}
2360                 if vnf_index:
2361                     if db_vnfr.get("additionalParamsForVnf") and db_vnfr["additionalParamsForVnf"].\
2362                             get("member-vnf-index") == vnf_index:
2363                         desc_params = self._format_additional_params(db_vnfr["additionalParamsForVnf"].
2364                                                                      get("additionalParams"))
2365                     if primitive_params:
2366                         desc_params.update(primitive_params)
2367                 # TODO Check if we will need something at vnf level
2368                 index = 0
2369                 for kdu in get_iterable(nsr_deployed, "K8s"):
2370                     if kdu_name == kdu["kdu-name"]:
2371                         db_dict = {"collection": "nsrs", "filter": {"_id": nsr_id},
2372                                    "path": "_admin.deployed.K8s.{}".format(index)}
2373                         if primitive == "upgrade":
2374                             if desc_params.get("kdu_model"):
2375                                 kdu_model = desc_params.get("kdu_model")
2376                                 del desc_params["kdu_model"]
2377                             else:
2378                                 kdu_model = kdu.get("kdu-model")
2379                                 parts = kdu_model.split(sep=":")
2380                                 if len(parts) == 2:
2381                                     kdu_model = parts[0]
2382
2383                             if kdu.get("k8scluster-type") == "chart":
2384                                 output = await self.k8sclusterhelm.upgrade(cluster_uuid=kdu.get("k8scluster-uuid"),
2385                                                                            kdu_instance=kdu.get("kdu-instance"),
2386                                                                            atomic=True, kdu_model=kdu_model,
2387                                                                            params=desc_params, db_dict=db_dict,
2388                                                                            timeout=300)
2389                             elif kdu.get("k8scluster-type") == "juju":
2390                                 # TODO Juju connector needed
2391                                 pass
2392                             else:
2393                                 msg = "k8scluster-type not defined"
2394                                 raise LcmException(msg)
2395
2396                             self.logger.debug(logging_text + " Upgrade of kdu {} done".format(output))
2397                             break
2398                         elif primitive == "rollback":
2399                             if kdu.get("k8scluster-type") == "chart":
2400                                 output = await self.k8sclusterhelm.rollback(cluster_uuid=kdu.get("k8scluster-uuid"),
2401                                                                             kdu_instance=kdu.get("kdu-instance"),
2402                                                                             db_dict=db_dict)
2403                             elif kdu.get("k8scluster-type") == "juju":
2404                                 # TODO Juju connector needed
2405                                 pass
2406                             else:
2407                                 msg = "k8scluster-type not defined"
2408                                 raise LcmException(msg)
2409                             break
2410                         elif primitive == "status":
2411                             if kdu.get("k8scluster-type") == "chart":
2412                                 output = await self.k8sclusterhelm.status_kdu(cluster_uuid=kdu.get("k8scluster-uuid"),
2413                                                                               kdu_instance=kdu.get("kdu-instance"))
2414                             elif kdu.get("k8scluster-type") == "juju":
2415                                 # TODO Juju connector needed
2416                                 pass
2417                             else:
2418                                 msg = "k8scluster-type not defined"
2419                                 raise LcmException(msg)
2420                             break
2421                     index += 1
2422
2423                 else:
2424                     raise LcmException("KDU '{}' not found".format(kdu_name))
2425                 if output:
2426                     db_nslcmop_update["detailed-status"] = output
2427                     db_nslcmop_update["operationState"] = 'COMPLETED'
2428                     db_nslcmop_update["statusEnteredTime"] = time()
2429                 else:
2430                     db_nslcmop_update["detailed-status"] = ''
2431                     db_nslcmop_update["operationState"] = 'FAILED'
2432                     db_nslcmop_update["statusEnteredTime"] = time()
2433                 return
2434             elif vnf_index:
2435                 for config_primitive in db_vnfd.get("vnf-configuration", {}).get("config-primitive", ()):
2436                     if config_primitive["name"] == primitive:
2437                         config_primitive_desc = config_primitive
2438                         break
2439             else:
2440                 for config_primitive in db_nsd.get("ns-configuration", {}).get("config-primitive", ()):
2441                     if config_primitive["name"] == primitive:
2442                         config_primitive_desc = config_primitive
2443                         break
2444
2445             if not config_primitive_desc:
2446                 raise LcmException("Primitive {} not found at [ns|vnf|vdu]-configuration:config-primitive ".
2447                                    format(primitive))
2448
2449             desc_params = {}
2450             if vnf_index:
2451                 if db_vnfr.get("additionalParamsForVnf"):
2452                     desc_params.update(db_vnfr["additionalParamsForVnf"])
2453             else:
2454                 if db_nsr.get("additionalParamsForNs"):
2455                     desc_params.update(db_nsr["additionalParamsForNs"])
2456
2457             # TODO check if ns is in a proper status
2458             output, detail = await self._ns_execute_primitive(
2459                 db_deployed=nsr_deployed,
2460                 member_vnf_index=vnf_index,
2461                 vdu_id=vdu_id,
2462                 vdu_name=vdu_name,
2463                 vdu_count_index=vdu_count_index,
2464                 primitive=primitive,
2465                 primitive_params=self._map_primitive_params(config_primitive_desc, primitive_params, desc_params))
2466
2467             detailed_status = output
2468             if detail == 'OK':
2469                 result = 'COMPLETED'
2470             else:
2471                 result = 'FAILED'
2472
2473             db_nslcmop_update["detailed-status"] = nslcmop_operation_state_detail = detailed_status
2474             db_nslcmop_update["operationState"] = nslcmop_operation_state = result
2475             db_nslcmop_update["statusEnteredTime"] = time()
2476             self.logger.debug(logging_text + " task Done with result {} {}".format(result, detailed_status))
2477             return  # database update is called inside finally
2478
2479         except (DbException, LcmException) as e:
2480             self.logger.error(logging_text + "Exit Exception {}".format(e))
2481             exc = e
2482         except asyncio.CancelledError:
2483             self.logger.error(logging_text + "Cancelled Exception while '{}'".format(step))
2484             exc = "Operation was cancelled"
2485         except Exception as e:
2486             exc = traceback.format_exc()
2487             self.logger.critical(logging_text + "Exit Exception {} {}".format(type(e).__name__, e), exc_info=True)
2488         finally:
2489             if exc and db_nslcmop:
2490                 db_nslcmop_update["detailed-status"] = nslcmop_operation_state_detail = \
2491                     "FAILED {}: {}".format(step, exc)
2492                 db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED"
2493                 db_nslcmop_update["statusEnteredTime"] = time()
2494             try:
2495                 if db_nslcmop_update:
2496                     self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
2497                 if db_nsr:
2498                     db_nsr_update["_admin.nslcmop"] = None
2499                     db_nsr_update["_admin.operation-type"] = None
2500                     db_nsr_update["_admin.nslcmop"] = None
2501                     db_nsr_update["_admin.current-operation"] = None
2502                     self.update_db_2("nsrs", nsr_id, db_nsr_update)
2503             except DbException as e:
2504                 self.logger.error(logging_text + "Cannot update database: {}".format(e))
2505             self.logger.debug(logging_text + "Exit")
2506             if nslcmop_operation_state:
2507                 try:
2508                     await self.msg.aiowrite("ns", "actioned", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,
2509                                                                "operationState": nslcmop_operation_state},
2510                                             loop=self.loop)
2511                 except Exception as e:
2512                     self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
2513             self.logger.debug(logging_text + "Exit")
2514             self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_action")
2515             return nslcmop_operation_state, nslcmop_operation_state_detail
2516
2517     async def scale(self, nsr_id, nslcmop_id):
2518
2519         # Try to lock HA task here
2520         task_is_locked_by_me = self.lcm_tasks.lock_HA('ns', 'nslcmops', nslcmop_id)
2521         if not task_is_locked_by_me:
2522             return
2523
2524         logging_text = "Task ns={} scale={} ".format(nsr_id, nslcmop_id)
2525         self.logger.debug(logging_text + "Enter")
2526         # get all needed from database
2527         db_nsr = None
2528         db_nslcmop = None
2529         db_nslcmop_update = {}
2530         nslcmop_operation_state = None
2531         db_nsr_update = {"_admin.nslcmop": nslcmop_id,
2532                          "_admin.current-operation": nslcmop_id,
2533                          "_admin.operation-type": "scale"}
2534         self.update_db_2("nsrs", nsr_id, db_nsr_update)
2535         exc = None
2536         # in case of error, indicates what part of scale was failed to put nsr at error status
2537         scale_process = None
2538         old_operational_status = ""
2539         old_config_status = ""
2540         vnfr_scaled = False
2541         try:
2542             # wait for any previous tasks in process
2543             step = "Waiting for previous operations to terminate"
2544             await self.lcm_tasks.waitfor_related_HA('ns', 'nslcmops', nslcmop_id)
2545
2546             step = "Getting nslcmop from database"
2547             self.logger.debug(step + " after having waited for previous tasks to be completed")
2548             db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
2549             step = "Getting nsr from database"
2550             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
2551
2552             old_operational_status = db_nsr["operational-status"]
2553             old_config_status = db_nsr["config-status"]
2554             step = "Parsing scaling parameters"
2555             # self.logger.debug(step)
2556             db_nsr_update["operational-status"] = "scaling"
2557             self.update_db_2("nsrs", nsr_id, db_nsr_update)
2558             nsr_deployed = db_nsr["_admin"].get("deployed")
2559
2560             #######
2561             nsr_deployed = db_nsr["_admin"].get("deployed")
2562             vnf_index = db_nslcmop["operationParams"].get("member_vnf_index")
2563             # vdu_id = db_nslcmop["operationParams"].get("vdu_id")
2564             # vdu_count_index = db_nslcmop["operationParams"].get("vdu_count_index")
2565             # vdu_name = db_nslcmop["operationParams"].get("vdu_name")
2566             #######
2567
2568             RO_nsr_id = nsr_deployed["RO"]["nsr_id"]
2569             vnf_index = db_nslcmop["operationParams"]["scaleVnfData"]["scaleByStepData"]["member-vnf-index"]
2570             scaling_group = db_nslcmop["operationParams"]["scaleVnfData"]["scaleByStepData"]["scaling-group-descriptor"]
2571             scaling_type = db_nslcmop["operationParams"]["scaleVnfData"]["scaleVnfType"]
2572             # scaling_policy = db_nslcmop["operationParams"]["scaleVnfData"]["scaleByStepData"].get("scaling-policy")
2573
2574             # for backward compatibility
2575             if nsr_deployed and isinstance(nsr_deployed.get("VCA"), dict):
2576                 nsr_deployed["VCA"] = list(nsr_deployed["VCA"].values())
2577                 db_nsr_update["_admin.deployed.VCA"] = nsr_deployed["VCA"]
2578                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
2579
2580             step = "Getting vnfr from database"
2581             db_vnfr = self.db.get_one("vnfrs", {"member-vnf-index-ref": vnf_index, "nsr-id-ref": nsr_id})
2582             step = "Getting vnfd from database"
2583             db_vnfd = self.db.get_one("vnfds", {"_id": db_vnfr["vnfd-id"]})
2584
2585             step = "Getting scaling-group-descriptor"
2586             for scaling_descriptor in db_vnfd["scaling-group-descriptor"]:
2587                 if scaling_descriptor["name"] == scaling_group:
2588                     break
2589             else:
2590                 raise LcmException("input parameter 'scaleByStepData':'scaling-group-descriptor':'{}' is not present "
2591                                    "at vnfd:scaling-group-descriptor".format(scaling_group))
2592
2593             # cooldown_time = 0
2594             # for scaling_policy_descriptor in scaling_descriptor.get("scaling-policy", ()):
2595             #     cooldown_time = scaling_policy_descriptor.get("cooldown-time", 0)
2596             #     if scaling_policy and scaling_policy == scaling_policy_descriptor.get("name"):
2597             #         break
2598
2599             # TODO check if ns is in a proper status
2600             step = "Sending scale order to VIM"
2601             nb_scale_op = 0
2602             if not db_nsr["_admin"].get("scaling-group"):
2603                 self.update_db_2("nsrs", nsr_id, {"_admin.scaling-group": [{"name": scaling_group, "nb-scale-op": 0}]})
2604                 admin_scale_index = 0
2605             else:
2606                 for admin_scale_index, admin_scale_info in enumerate(db_nsr["_admin"]["scaling-group"]):
2607                     if admin_scale_info["name"] == scaling_group:
2608                         nb_scale_op = admin_scale_info.get("nb-scale-op", 0)
2609                         break
2610                 else:  # not found, set index one plus last element and add new entry with the name
2611                     admin_scale_index += 1
2612                     db_nsr_update["_admin.scaling-group.{}.name".format(admin_scale_index)] = scaling_group
2613             RO_scaling_info = []
2614             vdu_scaling_info = {"scaling_group_name": scaling_group, "vdu": []}
2615             if scaling_type == "SCALE_OUT":
2616                 # count if max-instance-count is reached
2617                 max_instance_count = scaling_descriptor.get("max-instance-count", 10)
2618                 # self.logger.debug("MAX_INSTANCE_COUNT is {}".format(max_instance_count))
2619                 if nb_scale_op >= max_instance_count:
2620                     raise LcmException("reached the limit of {} (max-instance-count) "
2621                                        "scaling-out operations for the "
2622                                        "scaling-group-descriptor '{}'".format(nb_scale_op, scaling_group))
2623
2624                 nb_scale_op += 1
2625                 vdu_scaling_info["scaling_direction"] = "OUT"
2626                 vdu_scaling_info["vdu-create"] = {}
2627                 for vdu_scale_info in scaling_descriptor["vdu"]:
2628                     RO_scaling_info.append({"osm_vdu_id": vdu_scale_info["vdu-id-ref"], "member-vnf-index": vnf_index,
2629                                             "type": "create", "count": vdu_scale_info.get("count", 1)})
2630                     vdu_scaling_info["vdu-create"][vdu_scale_info["vdu-id-ref"]] = vdu_scale_info.get("count", 1)
2631
2632             elif scaling_type == "SCALE_IN":
2633                 # count if min-instance-count is reached
2634                 min_instance_count = 0
2635                 if "min-instance-count" in scaling_descriptor and scaling_descriptor["min-instance-count"] is not None:
2636                     min_instance_count = int(scaling_descriptor["min-instance-count"])
2637                 if nb_scale_op <= min_instance_count:
2638                     raise LcmException("reached the limit of {} (min-instance-count) scaling-in operations for the "
2639                                        "scaling-group-descriptor '{}'".format(nb_scale_op, scaling_group))
2640                 nb_scale_op -= 1
2641                 vdu_scaling_info["scaling_direction"] = "IN"
2642                 vdu_scaling_info["vdu-delete"] = {}
2643                 for vdu_scale_info in scaling_descriptor["vdu"]:
2644                     RO_scaling_info.append({"osm_vdu_id": vdu_scale_info["vdu-id-ref"], "member-vnf-index": vnf_index,
2645                                             "type": "delete", "count": vdu_scale_info.get("count", 1)})
2646                     vdu_scaling_info["vdu-delete"][vdu_scale_info["vdu-id-ref"]] = vdu_scale_info.get("count", 1)
2647
2648             # update VDU_SCALING_INFO with the VDUs to delete ip_addresses
2649             vdu_create = vdu_scaling_info.get("vdu-create")
2650             vdu_delete = copy(vdu_scaling_info.get("vdu-delete"))
2651             if vdu_scaling_info["scaling_direction"] == "IN":
2652                 for vdur in reversed(db_vnfr["vdur"]):
2653                     if vdu_delete.get(vdur["vdu-id-ref"]):
2654                         vdu_delete[vdur["vdu-id-ref"]] -= 1
2655                         vdu_scaling_info["vdu"].append({
2656                             "name": vdur["name"],
2657                             "vdu_id": vdur["vdu-id-ref"],
2658                             "interface": []
2659                         })
2660                         for interface in vdur["interfaces"]:
2661                             vdu_scaling_info["vdu"][-1]["interface"].append({
2662                                 "name": interface["name"],
2663                                 "ip_address": interface["ip-address"],
2664                                 "mac_address": interface.get("mac-address"),
2665                             })
2666                 vdu_delete = vdu_scaling_info.pop("vdu-delete")
2667
2668             # PRE-SCALE BEGIN
2669             step = "Executing pre-scale vnf-config-primitive"
2670             if scaling_descriptor.get("scaling-config-action"):
2671                 for scaling_config_action in scaling_descriptor["scaling-config-action"]:
2672                     if (scaling_config_action.get("trigger") == "pre-scale-in" and scaling_type == "SCALE_IN") \
2673                        or (scaling_config_action.get("trigger") == "pre-scale-out" and scaling_type == "SCALE_OUT"):
2674                         vnf_config_primitive = scaling_config_action["vnf-config-primitive-name-ref"]
2675                         step = db_nslcmop_update["detailed-status"] = \
2676                             "executing pre-scale scaling-config-action '{}'".format(vnf_config_primitive)
2677
2678                         # look for primitive
2679                         for config_primitive in db_vnfd.get("vnf-configuration", {}).get("config-primitive", ()):
2680                             if config_primitive["name"] == vnf_config_primitive:
2681                                 break
2682                         else:
2683                             raise LcmException(
2684                                 "Invalid vnfd descriptor at scaling-group-descriptor[name='{}']:scaling-config-action"
2685                                 "[vnf-config-primitive-name-ref='{}'] does not match any vnf-configuration:config-"
2686                                 "primitive".format(scaling_group, config_primitive))
2687
2688                         vnfr_params = {"VDU_SCALE_INFO": vdu_scaling_info}
2689                         if db_vnfr.get("additionalParamsForVnf"):
2690                             vnfr_params.update(db_vnfr["additionalParamsForVnf"])
2691
2692                         scale_process = "VCA"
2693                         db_nsr_update["config-status"] = "configuring pre-scaling"
2694                         primitive_params = self._map_primitive_params(config_primitive, {}, vnfr_params)
2695
2696                         # Pre-scale reintent check: Check if this sub-operation has been executed before
2697                         op_index = self._check_or_add_scale_suboperation(
2698                             db_nslcmop, nslcmop_id, vnf_index, vnf_config_primitive, primitive_params, 'PRE-SCALE')
2699                         if (op_index == self.SUBOPERATION_STATUS_SKIP):
2700                             # Skip sub-operation
2701                             result = 'COMPLETED'
2702                             result_detail = 'Done'
2703                             self.logger.debug(logging_text +
2704                                               "vnf_config_primitive={} Skipped sub-operation, result {} {}".format(
2705                                                   vnf_config_primitive, result, result_detail))
2706                         else:
2707                             if (op_index == self.SUBOPERATION_STATUS_NEW):
2708                                 # New sub-operation: Get index of this sub-operation
2709                                 op_index = len(db_nslcmop.get('_admin', {}).get('operations')) - 1
2710                                 self.logger.debug(logging_text + "vnf_config_primitive={} New sub-operation".
2711                                                   format(vnf_config_primitive))
2712                             else:
2713                                 # Reintent:  Get registered params for this existing sub-operation
2714                                 op = db_nslcmop.get('_admin', {}).get('operations', [])[op_index]
2715                                 vnf_index = op.get('member_vnf_index')
2716                                 vnf_config_primitive = op.get('primitive')
2717                                 primitive_params = op.get('primitive_params')
2718                                 self.logger.debug(logging_text + "vnf_config_primitive={} Sub-operation reintent".
2719                                                   format(vnf_config_primitive))
2720                             # Execute the primitive, either with new (first-time) or registered (reintent) args
2721                             result, result_detail = await self._ns_execute_primitive(
2722                                 nsr_deployed, vnf_index, None, None, None, vnf_config_primitive, primitive_params)
2723                             self.logger.debug(logging_text + "vnf_config_primitive={} Done with result {} {}".format(
2724                                 vnf_config_primitive, result, result_detail))
2725                             # Update operationState = COMPLETED | FAILED
2726                             self._update_suboperation_status(
2727                                 db_nslcmop, op_index, result, result_detail)
2728
2729                         if result == "FAILED":
2730                             raise LcmException(result_detail)
2731                         db_nsr_update["config-status"] = old_config_status
2732                         scale_process = None
2733             # PRE-SCALE END
2734
2735             # SCALE RO - BEGIN
2736             # Should this block be skipped if 'RO_nsr_id' == None ?
2737             # if (RO_nsr_id and RO_scaling_info):
2738             if RO_scaling_info:
2739                 scale_process = "RO"
2740                 # Scale RO reintent check: Check if this sub-operation has been executed before
2741                 op_index = self._check_or_add_scale_suboperation(
2742                     db_nslcmop, vnf_index, None, None, 'SCALE-RO', RO_nsr_id, RO_scaling_info)
2743                 if (op_index == self.SUBOPERATION_STATUS_SKIP):
2744                     # Skip sub-operation
2745                     result = 'COMPLETED'
2746                     result_detail = 'Done'
2747                     self.logger.debug(logging_text + "Skipped sub-operation RO, result {} {}".format(
2748                         result, result_detail))
2749                 else:
2750                     if (op_index == self.SUBOPERATION_STATUS_NEW):
2751                         # New sub-operation: Get index of this sub-operation
2752                         op_index = len(db_nslcmop.get('_admin', {}).get('operations')) - 1
2753                         self.logger.debug(logging_text + "New sub-operation RO")
2754                     else:
2755                         # Reintent:  Get registered params for this existing sub-operation
2756                         op = db_nslcmop.get('_admin', {}).get('operations', [])[op_index]
2757                         RO_nsr_id = op.get('RO_nsr_id')
2758                         RO_scaling_info = op.get('RO_scaling_info')
2759                         self.logger.debug(logging_text + "Sub-operation RO reintent".format(
2760                             vnf_config_primitive))
2761
2762                     RO_desc = await self.RO.create_action("ns", RO_nsr_id, {"vdu-scaling": RO_scaling_info})
2763                     db_nsr_update["_admin.scaling-group.{}.nb-scale-op".format(admin_scale_index)] = nb_scale_op
2764                     db_nsr_update["_admin.scaling-group.{}.time".format(admin_scale_index)] = time()
2765                     # wait until ready
2766                     RO_nslcmop_id = RO_desc["instance_action_id"]
2767                     db_nslcmop_update["_admin.deploy.RO"] = RO_nslcmop_id
2768
2769                     RO_task_done = False
2770                     step = detailed_status = "Waiting RO_task_id={} to complete the scale action.".format(RO_nslcmop_id)
2771                     detailed_status_old = None
2772                     self.logger.debug(logging_text + step)
2773
2774                     deployment_timeout = 1 * 3600   # One hour
2775                     while deployment_timeout > 0:
2776                         if not RO_task_done:
2777                             desc = await self.RO.show("ns", item_id_name=RO_nsr_id, extra_item="action",
2778                                                       extra_item_id=RO_nslcmop_id)
2779                             ns_status, ns_status_info = self.RO.check_action_status(desc)
2780                             if ns_status == "ERROR":
2781                                 raise ROclient.ROClientException(ns_status_info)
2782                             elif ns_status == "BUILD":
2783                                 detailed_status = step + "; {}".format(ns_status_info)
2784                             elif ns_status == "ACTIVE":
2785                                 RO_task_done = True
2786                                 step = detailed_status = "Waiting ns ready at RO. RO_id={}".format(RO_nsr_id)
2787                                 self.logger.debug(logging_text + step)
2788                             else:
2789                                 assert False, "ROclient.check_action_status returns unknown {}".format(ns_status)
2790                         else:
2791
2792                             if ns_status == "ERROR":
2793                                 raise ROclient.ROClientException(ns_status_info)
2794                             elif ns_status == "BUILD":
2795                                 detailed_status = step + "; {}".format(ns_status_info)
2796                             elif ns_status == "ACTIVE":
2797                                 step = detailed_status = \
2798                                     "Waiting for management IP address reported by the VIM. Updating VNFRs"
2799                                 if not vnfr_scaled:
2800                                     self.scale_vnfr(db_vnfr, vdu_create=vdu_create, vdu_delete=vdu_delete)
2801                                     vnfr_scaled = True
2802                                 try:
2803                                     desc = await self.RO.show("ns", RO_nsr_id)
2804                                     # nsr_deployed["nsr_ip"] = RO.get_ns_vnf_info(desc)
2805                                     self.ns_update_vnfr({db_vnfr["member-vnf-index-ref"]: db_vnfr}, desc)
2806                                     break
2807                                 except LcmExceptionNoMgmtIP:
2808                                     pass
2809                             else:
2810                                 assert False, "ROclient.check_ns_status returns unknown {}".format(ns_status)
2811                         if detailed_status != detailed_status_old:
2812                             self._update_suboperation_status(
2813                                 db_nslcmop, op_index, 'COMPLETED', detailed_status)
2814                             detailed_status_old = db_nslcmop_update["detailed-status"] = detailed_status
2815                             self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
2816
2817                         await asyncio.sleep(5, loop=self.loop)
2818                         deployment_timeout -= 5
2819                     if deployment_timeout <= 0:
2820                         self._update_suboperation_status(
2821                             db_nslcmop, nslcmop_id, op_index, 'FAILED', "Timeout when waiting for ns to get ready")
2822                         raise ROclient.ROClientException("Timeout waiting ns to be ready")
2823
2824                     # update VDU_SCALING_INFO with the obtained ip_addresses
2825                     if vdu_scaling_info["scaling_direction"] == "OUT":
2826                         for vdur in reversed(db_vnfr["vdur"]):
2827                             if vdu_scaling_info["vdu-create"].get(vdur["vdu-id-ref"]):
2828                                 vdu_scaling_info["vdu-create"][vdur["vdu-id-ref"]] -= 1
2829                                 vdu_scaling_info["vdu"].append({
2830                                     "name": vdur["name"],
2831                                     "vdu_id": vdur["vdu-id-ref"],
2832                                     "interface": []
2833                                 })
2834                                 for interface in vdur["interfaces"]:
2835                                     vdu_scaling_info["vdu"][-1]["interface"].append({
2836                                         "name": interface["name"],
2837                                         "ip_address": interface["ip-address"],
2838                                         "mac_address": interface.get("mac-address"),
2839                                     })
2840                         del vdu_scaling_info["vdu-create"]
2841
2842                     self._update_suboperation_status(db_nslcmop, op_index, 'COMPLETED', 'Done')
2843             # SCALE RO - END
2844
2845             scale_process = None
2846             if db_nsr_update:
2847                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
2848
2849             # POST-SCALE BEGIN
2850             # execute primitive service POST-SCALING
2851             step = "Executing post-scale vnf-config-primitive"
2852             if scaling_descriptor.get("scaling-config-action"):
2853                 for scaling_config_action in scaling_descriptor["scaling-config-action"]:
2854                     if (scaling_config_action.get("trigger") == "post-scale-in" and scaling_type == "SCALE_IN") \
2855                        or (scaling_config_action.get("trigger") == "post-scale-out" and scaling_type == "SCALE_OUT"):
2856                         vnf_config_primitive = scaling_config_action["vnf-config-primitive-name-ref"]
2857                         step = db_nslcmop_update["detailed-status"] = \
2858                             "executing post-scale scaling-config-action '{}'".format(vnf_config_primitive)
2859
2860                         vnfr_params = {"VDU_SCALE_INFO": vdu_scaling_info}
2861                         if db_vnfr.get("additionalParamsForVnf"):
2862                             vnfr_params.update(db_vnfr["additionalParamsForVnf"])
2863
2864                         # look for primitive
2865                         for config_primitive in db_vnfd.get("vnf-configuration", {}).get("config-primitive", ()):
2866                             if config_primitive["name"] == vnf_config_primitive:
2867                                 break
2868                         else:
2869                             raise LcmException("Invalid vnfd descriptor at scaling-group-descriptor[name='{}']:"
2870                                                "scaling-config-action[vnf-config-primitive-name-ref='{}'] does not "
2871                                                "match any vnf-configuration:config-primitive".format(scaling_group,
2872                                                                                                      config_primitive))
2873                         scale_process = "VCA"
2874                         db_nsr_update["config-status"] = "configuring post-scaling"
2875                         primitive_params = self._map_primitive_params(config_primitive, {}, vnfr_params)
2876
2877                         # Post-scale reintent check: Check if this sub-operation has been executed before
2878                         op_index = self._check_or_add_scale_suboperation(
2879                             db_nslcmop, nslcmop_id, vnf_index, vnf_config_primitive, primitive_params, 'POST-SCALE')
2880                         if (op_index == self.SUBOPERATION_STATUS_SKIP):
2881                             # Skip sub-operation
2882                             result = 'COMPLETED'
2883                             result_detail = 'Done'
2884                             self.logger.debug(logging_text +
2885                                               "vnf_config_primitive={} Skipped sub-operation, result {} {}".
2886                                               format(vnf_config_primitive, result, result_detail))
2887                         else:
2888                             if (op_index == self.SUBOPERATION_STATUS_NEW):
2889                                 # New sub-operation: Get index of this sub-operation
2890                                 op_index = len(db_nslcmop.get('_admin', {}).get('operations')) - 1
2891                                 self.logger.debug(logging_text + "vnf_config_primitive={} New sub-operation".
2892                                                   format(vnf_config_primitive))
2893                             else:
2894                                 # Reintent:  Get registered params for this existing sub-operation
2895                                 op = db_nslcmop.get('_admin', {}).get('operations', [])[op_index]
2896                                 vnf_index = op.get('member_vnf_index')
2897                                 vnf_config_primitive = op.get('primitive')
2898                                 primitive_params = op.get('primitive_params')
2899                                 self.logger.debug(logging_text + "vnf_config_primitive={} Sub-operation reintent".
2900                                                   format(vnf_config_primitive))
2901                             # Execute the primitive, either with new (first-time) or registered (reintent) args
2902                             result, result_detail = await self._ns_execute_primitive(
2903                                 nsr_deployed, vnf_index, None, None, None, vnf_config_primitive, primitive_params)
2904                             self.logger.debug(logging_text + "vnf_config_primitive={} Done with result {} {}".format(
2905                                 vnf_config_primitive, result, result_detail))
2906                             # Update operationState = COMPLETED | FAILED
2907                             self._update_suboperation_status(
2908                                 db_nslcmop, op_index, result, result_detail)
2909
2910                         if result == "FAILED":
2911                             raise LcmException(result_detail)
2912                         db_nsr_update["config-status"] = old_config_status
2913                         scale_process = None
2914             # POST-SCALE END
2915
2916             db_nslcmop_update["operationState"] = nslcmop_operation_state = "COMPLETED"
2917             db_nslcmop_update["statusEnteredTime"] = time()
2918             db_nslcmop_update["detailed-status"] = "done"
2919             db_nsr_update["detailed-status"] = ""  # "scaled {} {}".format(scaling_group, scaling_type)
2920             db_nsr_update["operational-status"] = "running" if old_operational_status == "failed" \
2921                 else old_operational_status
2922             db_nsr_update["config-status"] = old_config_status
2923             return
2924         except (ROclient.ROClientException, DbException, LcmException) as e:
2925             self.logger.error(logging_text + "Exit Exception {}".format(e))
2926             exc = e
2927         except asyncio.CancelledError:
2928             self.logger.error(logging_text + "Cancelled Exception while '{}'".format(step))
2929             exc = "Operation was cancelled"
2930         except Exception as e:
2931             exc = traceback.format_exc()
2932             self.logger.critical(logging_text + "Exit Exception {} {}".format(type(e).__name__, e), exc_info=True)
2933         finally:
2934             if exc:
2935                 if db_nslcmop:
2936                     db_nslcmop_update["detailed-status"] = "FAILED {}: {}".format(step, exc)
2937                     db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED"
2938                     db_nslcmop_update["statusEnteredTime"] = time()
2939                 if db_nsr:
2940                     db_nsr_update["operational-status"] = old_operational_status
2941                     db_nsr_update["config-status"] = old_config_status
2942                     db_nsr_update["detailed-status"] = ""
2943                     db_nsr_update["_admin.nslcmop"] = None
2944                     if scale_process:
2945                         if "VCA" in scale_process:
2946                             db_nsr_update["config-status"] = "failed"
2947                         if "RO" in scale_process:
2948                             db_nsr_update["operational-status"] = "failed"
2949                         db_nsr_update["detailed-status"] = "FAILED scaling nslcmop={} {}: {}".format(nslcmop_id, step,
2950                                                                                                      exc)
2951             try:
2952                 if db_nslcmop and db_nslcmop_update:
2953                     self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
2954                 if db_nsr:
2955                     db_nsr_update["_admin.current-operation"] = None
2956                     db_nsr_update["_admin.operation-type"] = None
2957                     db_nsr_update["_admin.nslcmop"] = None
2958                     self.update_db_2("nsrs", nsr_id, db_nsr_update)
2959             except DbException as e:
2960                 self.logger.error(logging_text + "Cannot update database: {}".format(e))
2961             if nslcmop_operation_state:
2962                 try:
2963                     await self.msg.aiowrite("ns", "scaled", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,
2964                                                              "operationState": nslcmop_operation_state},
2965                                             loop=self.loop)
2966                     # if cooldown_time:
2967                     #     await asyncio.sleep(cooldown_time, loop=self.loop)
2968                     # await self.msg.aiowrite("ns","scaled-cooldown-time", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id})
2969                 except Exception as e:
2970                     self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
2971             self.logger.debug(logging_text + "Exit")
2972             self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_scale")