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